专利汇可以提供GAS COMBUSTOR专利检索,专利查询,专利分析的服务。并且The present invention relates to a gas combustor, including a base seat fastened in a housing, the base seat is formed with a seat hole allowing a gas intake control valve to be received; when a control rod of the gas intake control valve is pushed by a press button, a first and a second spring are synchronously compressed, so the first spring pushes a first thimble valve till the first spring is abutted against a first valve seat, the first thimble valve compresses a third spring and opens the first valve seat, thereby allowing fuel gas to rapidly pass the gas intake control valve; the residual displacement stroke of the control rod is absorbed by the first spring, and the fuel gas passing the gas intake control valve is enabled to enter a flame device so as to be ignited by static spark generated by a piezoelectric device.,下面是GAS COMBUSTOR专利的具体信息内容。
What is claimed is:
1. Field of the Invention
The present invention relates to a gas combustor, especially to a gas combustor capable of synchronously processing ignition and rapidly supplying fuel gas.
2. Description of Related Art
Fire is a must have element in our lives, with fire, we can cook food, can be provided with lighting, and the fire can also be used for combustion operations such as forging, soldering and welding. Take a canned gas for example, liquid gas is contained therein, the canned gas can be used for refilling a lighter or combined in a portable gas stove for lighting objects or cooking food, thereby providing convenience in use. Thus, the canned gas plays an important role in our lives which cannot be easily replaced.
With the convenience provided by the canned gas, there are two types of gas combustors in the marketplace, the U.S. Pat. No. 5,466,149 (corresponding to the Taiwan Utility Patent No. 271227) and the U.S. Pat. No. 5,564,919 (corresponding to the Taiwan Utility Patent No. 277674) granted to the applicant of the present invention have disclosed a gas combustor, in which a connection nozzle at the bottom thereof is connected to a gas discharge valve of a canned gas, so liquid gas can be injected into a fuel storage tank, thereby enabling a gas discharge device installed in the gas combustor to be provided with the gas and a combustion device to be provided with fuel. Another type of gas combustor is illustrated as following: the U.S. Pat. No. 5,735,353 (corresponding to the Taiwan Utility Patent No. 329905) and the U.S. Pat. No. 5,816,794 (corresponding to the Taiwan Utility Patent No. 303012) granted to the applicant of the present invention have disclosed a gas combustor, in which a support device is installed below the gas combustor, after being connected with a canned gas available in the marketplace, the fuel in the canned gas is enabled to be gasified for supplying to the whole combustion device, thereby being able to be used for soldering or welding or other combustion operations.
In the second type of gas combustor mentioned above, massive amount of fuel gas would be ejected due to the high pressure released by the canned gas, so larger flame can be provided for processing a continuous or large scale combustion operation.
Moreover, according to the U.S. Pat. No. 5,735,353, a gas control device has to be opened prior to the ignition process and the fuel gas supply, then a piezoelectric device is pressed, thus the operation is still not too convenient. As such, the skilled people in the art have developed a gas combustor in which a gas intake control valve and a piezoelectric device can be synchronously controlled by a button, when the button is pressed, the gas intake control valve is opened and the piezoelectric device is actuated at the same time, thereby forming a function of synchronously supplying fuel gas and processing ignition; because a thimble valve in the gas intake control valve and a press piece in the piezoelectric device are displaced with the same stroke, e.g. 6 mm, so when the thimble valve enables the valve to be opened, the mixed fuel gas has not yet reached the location where a flame nozzle of an external pipe is provided while the piezoelectric device has already generated the static spark at the location where the flame nozzle is provided, thereby the fuel gas being unable to be ignited.
As such, how to provide a rapid gas introducing function to the gas intake control valve for allowing the mixed fuel gas to reach and pass the flame nozzle after the press piece of the piezoelectric device has been pressed to its stroke so as to truly synchronize the fuel gas supply and the ignition process is the issue which shall be seriously concerned by the skilled people in the art.
One primary objective of the present invention is to provide a gas combustor, in which a base seat thereof is installed with a gas intake control valve allowing gas to be rapidly introduced, during a press button being pressed, the gas intake control valve is enabled to allow gas to be rapidly introduced, and after the button is completely pressed in, fuel gas passing the gas intake control valve has already reached to the interior of a flame device thereby being able to be ignited by the static spark generated by a piezoelectric device, so the fuel gas supply and the ignition process can be truly synchronized for facilitating the combustion operation.
For achieving said objective, one technical solution provided by the present invention is to provide a gas combustor, which includes:
a housing, a base seat is installed therein, openings formed at the top and the bottom of the base seat are respectively disposed with a flame device and a connection device, wherein an opening at the front of the housing is disposed with a press button, the base seat is respectively and axially formed with an accommodation slot allowing a piezoelectric device to be accommodated and a seat hole allowing a gas intake control valve to be received corresponding to the location where the press button being disposed; wherein, the connection device is connected to a fuel channel inside the base seat through a convey pipe, the fuel channel is communicated with the seat hole through a gas outlet, and the bottom of the flame device is disposed in an insertion hole formed at the top of the base seat, and the insertion hole is communicated with the seat hole; and
the gas intake control valve includes a control rod, a first spring and a second spring sleeved in from the front of the seat hole, and a front end cover is provided at the front of the seat hole, so the front of the control rod is allowed to be protruded out from the front end cover and adjacent to the press button; and includes a first valve seat sleeved in from the rear of the seat hole, and a first thimble valve and a third spring are provided in the first valve seat, thereby allowing the first and the second spring to be respectively disposed between the control rod and one end of the first thimble valve and between the control rod and the first valve seat, an opening at the rear of the first valve seat is sleeved with a sleeve pipe, thereby allowing the third spring to be disposed between the other end of the first thimble valve and the sleeve pipe, and a rear end cover is provided at the rear of the seat hole;
when the control rod is pushed by the press button, the first and the second spring are synchronously compressed, so the first spring pushes the first thimble valve till the first spring is abutted against the first valve seat, the first thimble valve compresses the third spring and opens the first valve seat, thereby allowing the fuel gas to enter the seat hole through the gas outlet of the fuel channel and rapidly pass the gas intake control valve; the residual displacement stroke of the control rod is absorbed by the first spring, and the fuel gas passing the gas intake control valve is enabled to reach the insertion hole and enter the flame device so as to be ignited by the static spark generated by the piezoelectric device.
The present invention will be apparent to those skilled in the art by reading the following detailed description of a preferred embodiment thereof, with reference to the attached drawings, in which:
Referring from
The housing 1 is composed of a left shell 11 and a right shell 12 being engaged with each other, and used for housing other components, the interior of the left shell 11 and the right shell 12 is formed with plural tenons, slots and ribs for positioning and accommodating the other components. The assembly of the gas combustor is shown in
The inner wall of an opening 13 formed at the top of the base seat 3 is longitudinally formed with a terminal positioning hole 17 for being installed with an electric conductive terminal 343, the electric conductive terminal 343 is connected to a piezoelectric device 34 through an electric conductive wire 342.
As shown in
As such, when the connection ring 21 and the canned gas are connected, the liquid fuel is introduced from the filling nozzle 23, and fitted at the upstream of a fuel channel 35 obliquely formed at the rear of the base seat 3 through a gas intake thread seat 251 at the other end of the convey pipe 25, thereby allowing the liquid fuel to be conveyed to the interior of the fuel channel 35. Wherein, the connection ring 21 is formed with a positioning slot 213 at the top periphery for being sleeved in a positioning tenon correspondingly formed inside the opening 13 at the bottom so as to be fastened.
As shown in
The pressure stabilizing device 4 is disposed in a stepped combination hole 351 formed at the downstream of the fuel channel 35, the pressure stabilizing device 4 includes a partition membrane 41, a position limiting sheet 42, a fifth spring 43, a regulation seat 44, a fasten seat 45 and a rotary button 46. The partition membrane 41 is an elastic membrane made of a polymer material, and the periphery thereof is connected to the bottom wall of the combination hole 351, so a gasify chamber 352 is formed between the bottom of the partition membrane 41 and the first gas supply valve 36, and the gasify chamber 352 is communicated with a gas outlet 353. Wherein, the bottom and the top of the partition membrane 41 are respectively connected to a passive member 411 and a support member 412 which are respectively sleeved with the second thimble valve 363 and a fifth spring 43, the periphery of the position limiting sheet 42 having its central area being protruded is connected to the partition membrane 41, and the upper portion of the support member 412 is protruded out of a position limiting hole 421 preformed at the center of the position limiting sheet 42 thereby being able to be sleeved with one end of the fifth spring 43, and the other end of the fifth spring 43 is sleeved on the top inner wall of the regulation seat 44.
The regulation seat 44 is fitted in the fasten seat 45 with a rotary manner, and a shaft rod 441 at the top thereof is protruded out of an opening at the top of the fasten seat 45; then, the fasten seat 45 is fastened, e.g. being riveted, in the combination hole 351, and the bottom periphery of the fasten seat 45 is served to press the periphery of the position limiting sheet 42 and the partition membrane 41 on the bottom wall of the combination hole 351, then the rotary button 46 is installed on the shaft rod 441 at the top of the regulation seat 44, thereby allowing the rotary button 46 to synchronously drive the regulation seat 44 to rotate in the fasten seat 45, the combination of the pressure stabilizing device 4 and the base seat 3 is therefore accomplished.
In addition, the top surface and the mid portion of a flange 442 at the bottom of the regulation seat 44 are respectively sleeved with a seal ring 443 and a friction ring 444, so when the seal ring 443 disposed at top of the flange 442 is abutted against a block wall 451 protrudingly formed in the fasten seat 45, the motion is defined as the limitation for the regulation seat 44 upwardly moving relative to the fasten seat 45; when the regulation seat 44 rotates in the fasten seat 45, a special hand feeling is generated through the friction interfere formed through the friction ring 444 rotating on the inner wall of the fasten seat 45.
When the pressure stabilizing device 4 is in a closed status, the fifth spring 43 disposed between the regulation seat 44 and the support member 412 on the top surface of the partition membrane 41 is in an energy releasing (stretched) status, the passive member 411 on the bottom surface of the partition membrane 41 does not apply force to the second thimble valve 363, so the fourth spring 362 in the first gas supply valve 36 is also in the energy releasing status, and the second thimble valve 363 is abutted against the second valve seat 361, the first gas supply valve 36 is in a closed status thereby being unable to inject fuel into the gasify chamber 352 at the bottom of the press stabilizing device 4.
As shown in
Because the diameter of the second valve seat 361 is smaller, excessive fuel gas or liquid fuel which has not yet been gasified would rapidly fill and remain in the gasify chamber 352. When the internal pressure of the gasify chamber 352 is rapidly increased, the central part of the partition membrane 41 is elastically and upwardly displaced, and the fifth spring 43 is compressed, at this moment, the second thimble valve 363 is upwardly moved and the fourth spring 362 is stretched, thereby sealing the second valve seat 361 and stopping the supply of liquid fuel.
When the fuel gas in the gasify chamber 352 gradually enters the gas intake control valve 32, the internal pressure of the gasify chamber 352 is gradually decreased, at this moment, the fifth spring 43 is stretched, the support member 412, the central part of the partition membrane 41 and the passive member 412 are pushed to be downwardly displaced, so the second thimble valve 363 is downwardly moved and the fourth spring 362 is compressed, thereby forming the liquid fuel supplying status as shown in
As such, through rotating the regulation seat 44 to allow the regulation seat 44 to axially ascend or descend in the fasten seat 45, the fifth spring 43 disposed between the regulation seat 44 and the support member 412 at the top of the partition membrane 41 is compressed or stretched for adjusting the pressure, when the pressure applied by the fifth spring 43 to the partition membrane 41 is greater than the pressure of the fourth spring 362 of the first gas supply valve 36 and the fuel pressure, and the pressure applied by the fifth spring 43 to the partition membrane 41 is smaller than the fuel gasifying pressure in the gasify chamber 352, the partition membrane 41, the support member 412 and the passive member 411 reciprocally and synchronously drive the second thimble valve 363 to move so as to open or close the second valve seat 361, thereby adjusting the pressure of the fuel entering the gasify chamber 352 and the amount of gasified fuel gas flowing towards the gas outlet 353.
As shown in
The configuration of the gas intake control valve 32 is to have a control rod 321, a first spring 322 and a second spring 323 to be installed from the front of the seat hole 31, and a front end cover 324 is provided at the front of the seat hole 31, so a rod button 321a at the front of the control rod 321 is protruded from the front end cover 324 and located at the rear of the opening 13 at the front; a first thimble valve 325 and a third spring 326 are sleeved in a first valve seat 327, then the first valve seat 327 is sleeved from the rear of the seat hole 31, thereby allowing the first and the second spring 322, 323 to be respectively disposed between the control rod 321 and the first thimble valve 325 and between the control rod 321 and the first valve seat 327, and the first valve seat 327 is opened or closed through the axial elastic displacement of the first thimble valve 325.
Wherein, the rear opening of the first valve seat 327 is sleeved with a sleeve pipe 328, and the third spring 326 is disposed between the first thimble valve 325 and the sleeve pipe 328. A filter 328a, e.g. a sintered copper member, is provided in the sleeve pipe 328, and a rear end cover 329 is provided at the rear of the seat hole 31, thereby allowing the gas intake control valve 32 to be installed in the seat hole 31. The gas outlet 353 is in communication with a gas guiding slot 329a radially formed on the rear end cover 329, so the gasified fuel gas is enabled to enter the gas intake control valve 32 through the gas guiding slot 329a and to be filtered by the filter 328a.
The front of the base seat 3 is axially formed with an accommodation slot 33 allowing the piezoelectric device 34 to be accommodated and positioned, so a press piece 341 at the front of the piezoelectric device 34 is also located at the rear of the opening 13 at the front. Wherein, the piezoelectric device 34 is connected to the electric conductive terminal 343 fastened in the terminal positioning hole 17 through the electric conductive wire 342. In addition, the opening 13 at the front is connected to the press button 14 capable of axially moving, the press button 14 respectively allows the press piece 341 to be sleeved in and adjacent to the rod button 321a. Moreover, the top surface of the press button 14 is formed with a buckle hole 141 allowing the continue button 16 to be buckled.
Referring to
As shown in
When the press button 14 is pressed, the press piece 341 actuates the piezoelectric device 34 thereby generating static electricity, and the static electricity is transferred through the electric conductive wire 342, the electric conductive terminal 343, an electric conductive ring 515 and an electric conductive extending wire 516 to the gas guiding set 55 of the flame device 5; because the first spring 322 has already been abutted against the first valve seat 327, the control rod 321 is able to continuously push the first and the second spring 322, 323 thereby the displacement stroke of the control rod 321 being able to be absorbed and preventing any affection to the third spring 326.
As shown in
Moreover, the engagement pipe 51 is provided with a detach ring 53, and the bottom of an external pipe 54 is inserted between the engagement pipe 51 and the mix pipe 52, and the external pipe 54 is secured on the mix pipe 52 by utilizing a screw 542 thereby preventing the two pipes from shaking. The electric conductive extending wire 516 is received in the external pipe 54, and the end section of the electric conductive extending wire 516 is fastened on a conductive wire positioning ring 541 at the inner front of the external pipe 54.
For generating a special flame effect, the gas guiding set 55 capable of guiding the flow direction of the mixed fuel gas is installed inside a flame pipe 56, and a packing ring 551 is abutted against the gas guiding set 55 for being fastened in the flame pipe 56. Lastly, an extending pipe 57 is sleeved at the front of the flame pipe 56, thereby finishing the assembly of the flame device 5. Wherein, the gas guiding set 55 is e.g. but not limited to a cross-shaped rotary member, so when the mixed fuel gas passes the cross-shaped rotary member, a vortex-like flame can be generated thereby enhancing the combustion effect.
The steps for installing the flame device 5 on the housing 1 and the base seat 3 is that: firstly the detach ring 53 is aimed at the opening 13 at the top of the housing 1 and tightened, so the detach ring 53 is fastened on the top of the housing 1, and the nozzle seat 521 at the bottom of the mix pipe 52 is inserted in the insertion hole 39 formed at the top of the base seat 3, thereby allowing the second gas supply valve 37 and the nozzle seat 521 to form an airtight connection; when the detach ring 53 is rotated for being positioned, the electric conducive ring 515 of the engagement pipe 51 is in contact with the electric conductive terminal 343 preformed in the opening 13 at the top of the housing 1, thereby forming an electrical connection from the piezoelectric device 34 to the external pipe 54. On the other hand, if the flame device 5 is desired to be detached, the detach ring 53 is reversely rotated, the flame device 5 is enabled to be released and removed from the opening 13 at the top of the housing 1, thereby allowing the electric conductive terminal 343 and the electric conductive ring 515 to be separated and the second gas supply valve 37 and the nozzle seat 521 to be separated, and the second gas supply valve 37 is in a closed status for preventing the fuel gas from leaking.
As such, when the press piece 341 of the piezoelectric device 34 is pressed by the press button 14, the generated static electricity is transferred through the conductive wire 342, the electric conductive terminal 343, the electric conductive ring 515 and the electric conductive extending wire 516, static spark is generated through the electric conductive extending wire 516 and the gas guiding set 55 of the flame pipe 56, thereby enabling the mixed fuel gas passing the gas guiding set 55 to be ignited.
When the nozzle seat 521 at the bottom of the mix pipe 52 of the flame device 5 is not inserted in the insertion hole 39, the third thimble valve 373 closes the third valve seat 371 due to the stretch effect provided by the sixth spring 372, thereby forming a fuel gas terminating status; when the nozzle seat 521 is inserted in the insertion hole 39, the nozzle seat 521 of the mix pipe 52 pushes the third thimble valve 373 so as to compress the sixth spring 372, the fuel gas is allowed to pass the third valve seat 371 for entering the nozzle seat 521, and then the fuel gas is filtered by the filter 524 and ejected out from the nozzle 522.
As shown in
As shown in
Referring to
At this moment, the liquid fuel supplied by the canned gas which is connected to the connection device 2 rapidly pass the convey pipe 25, the fuel channel 35 and the first gas supply valve 36 and reaches the pressure stabilizing device 4 for being processed with a pressure stabilizing operation, so the fully-gasified fuel gas with constant pressure is introduced through the gas outlet 353 to the seat hole 31, the gas intake control valve 32, the connection pipe 38, the insertion hole 39, the second gas supply valve 37 and enter the nozzle seat 521 of the flame device 5 so as to be ejected out by the nozzle 522, the mix pipe 52 is enabled to introduce air through the airflow generated by the ejected fuel gas so as to be mixed for forming the mixed fuel gas, and the mixed fuel gas passes the external pipe 54 for entering the flame pipe 56, and is formed as a special airflow through being guided by the gas guiding set 55 so as to be ejected out from the extending pipe 57; the static electricity generated by the piezoelectric device 34 which is synchronously pressed by the press button 14 is transferred through the electric conductive wire 342, the electric conductive terminal 343, the electric conductive ring 515 and the electric conductive extending wire 516, so the static spark is able to be generated through the electric conductive extending wire 516 and the gas guiding set 55, thereby enabling the mixed fuel gas passing the gas guiding set 55 to be ignited for processing the combustion operation.
At this moment, the user uses the other hand to press the continue button 16, so the buckle hook 162 is buckled with the buckle hole 141 at the press button 14. At this moment, the user can release the press button 14, and the fuel in the canned gas can still be continuously supplied to the flame pipe 56 for processing the combustion operation.
If the combustion operation is desired to be stopped, the continue button 16 is pressed again for releasing the buckling with the press button 14, and the continue button 16 is enabled to be automatically recovered through the seventh spring 161, and the press button 14 is enabled to be automatically recovered through the first and the second spring 322, 323 in the gas intake control valve 32 and the piezoelectric device 34, lastly the safety button 15 is reversely pulled for being abutted against the press button 14 thereby forming the locking status.
As what has been disclosed above, the advantages achieved by the present invention are as followings: with the special design of the gas intake control valve, when the control rod is pushed by the press button, the first sprig and the second spring are compressed at the same time, so the first spring pushes the first thimble valve till the first spring is abutted against the first valve seat, the first thimble valve compresses the third spring and opens the first valve seat, thereby allowing the fuel to rapidly pass the gas intake control valve; the residual displacement stroke of the control rod is absorbed by the first spring, and the fuel gas passing the gas intake control valve is enabled to rapidly reach the flame device so as to be ignited by the static spark generated by the piezoelectric device, thereby achieving the effect of synchronizing the fuel gas supply and the ignition process.
Many modifications and other embodiments of the inventions set forth herein will come to mind to one skilled in the art to which these inventions pertain having the benefit of the teachings presented in the foregoing descriptions and the associated drawings. Therefore, it is to be understood that the inventions are not to be limited to the specific examples of the embodiments disclosed and that modifications and other embodiments are intended to be included within the scope of the appended claims. Although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
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