TWM543962U - Gas burner and safety button thereof - Google Patents

Description

Gas burner and its safety button

This case relates to a gas burner, especially a gas burner with a safety button. When the safety button is not operated, it is automatically locked, and when it is unlocked, it can be pressed.

According to the changes of the times, the lighter has replaced the match as the main fire-fighting device. According to the current gas burner, it has the advantages of strong flame, one-handed holding and operation, and the convenience of carrying it. Therefore, I am deeply loved by my people and widely used.

Due to the popularity of gas burners, children's words are often played without authorization because of their ability to imitate and curiosity. Therefore, a slight inadvertent fire can cause fire and endanger the safety of our lives and property. Therefore, in many fire cases, the children who cause disasters due to children playing with fire are too numerous to enumerate. The reason for this is that the ignition switch of the conventional gas burner is convenient to use, and it is easy to press, which makes the child have an awkward opportunity, which ultimately leads to unpredictable consequences.

Based on safety considerations, governments have developed relevant safety regulations for gas burners, and mandatory gas burners are required to have safety switches, such as the US Patent No. 6,293,782 owned by the applicant (corresponding to National Patent Publication No. 446104, Patent No. 6,296,476 (corresponding to National Patent Publication No. 449018), No. 6,527,543 (corresponding to National Patent Publication No. 525749), Patent No. 7,708,554 The case (corresponding to the National Patent Publication No. M306647) and the Patent No. 7,850,446 (corresponding to the National Patent Publication No. M338954) are notable examples. When the gas burner is not in use, the aforementioned safety relationship It is locked. If you want to use it, you must first remove the safety switch before you can get fire. Since the release of the safety switch increases the difficulty of operation, the child can be prevented from being released when playing, thereby reducing the occurrence of disasters.

For example, in U.S. Patent No. 7,850,446 (corresponding to the National Patent Publication No. M338954), the safety open relationship is a single type and is adjacent to a button to form an automatic locking of the button in the longitudinal direction. Or manually unlock the operation. Therefore, if the safety switch and the button can be assembled into a safety button, the operation stability and durability of the automatic locking and manual unlocking are facilitated.

The main purpose of the present invention is to provide a gas burner having a safety button that can be manually unlocked, automatically locked and pressed to increase operational stability and durability.

To achieve the foregoing objectives, the technical means adopted in the present invention is to provide a gas burner comprising a casing having a storage cylinder and an air outlet device therein, the gas outlet device comprising a gas installed on the top of the storage cylinder as a gas a gas outlet controlled by the disconnection, and a gas pipe respectively connecting the gas outlet and the air nozzle at both ends; and the peripheral surface of the casing respectively forms a fixing hole for a combustion device and is provided for safety The button is provided with a button slot, and the housing is pivotally connected to the air plate above the cartridge, the air plate is sleeved at one end of the air outlet, and the other end is located above the button slot, and the button slot is below the button slot. The wall is provided with at least one stop block and a receiving groove for a piezoelectric device, the piezoelectric device has a conductive wire and a return wire; the burning device has a fixing seat mounted on the fixing hole, The fixing seat is provided with a positioning hole for positioning a mixing tube, and the air nozzle is inserted into a downstream end of the mixing tube, an upstream end of the mixing tube is engaged with a spray nozzle, and a sleeve is After the ring is socketed, the ring is then attached to the fixed The fire nozzle is located in the sleeve, and the sleeve is electrically connected to the conductive wire and the return wire at the fixing seat position; and the safety button comprises a locking member, the locking member is axially slidable The grounding device is mounted on a driven member, and a first spring is disposed between the locking member and the driven member. The driven member is provided with an elastic positioning cam under the locking member and has a slot. a pressing member for the locking member and the follower member, the pressing member opening a hole for partially extending the locking member, the locking member is radially abutted against the lower edge of the button groove to form the upper portion a first positioning slot and a second positioning slot for selectively engaging the elastic positioning cams, and the second positioning slot, the follower and the pressing member are spaced apart from each other A second spring is disposed between the bottom portion, the inner wall of the top surface of the pressing member abuts the outlet air plate, and the bottom surface abuts the piezoelectric device; when the locking member is axially pressed, it is disengaged from the lower edge of the button groove and is contracted Entering the opening, and then pressing the locking member radially to synchronously drive the follower in the slot Radially moving downward, the elastic positioning tenon is moved down and fastened to the second positioning groove to form an unlocked shape; when the pressing member is pressed radially, the outer pressure plate and the piezoelectric device are simultaneously activated. Simultaneously driving the locking member and the follower to move downward radially until the follower abuts against the at least one stop block, and the pressing member continues to move downward to fasten the elastic positioning collar In the first positioning slot.

Another object of the present invention is to provide a safety button for a gas burner, which has the functions of manual unlocking, automatic locking and pressing operation, and can increase operational stability and durability.

In order to achieve the foregoing objectives, the technical means adopted in the present invention is to provide a safety button for a gas burner, which is arranged on a peripheral surface of a casing to open a button groove, and the inner wall of the button groove is provided with at least one stop. The safety button includes a locking member that is axially slidably attached to a driven member, and a first spring is disposed between the locking member and the driven member. An elastic positioning cam is disposed under the locking member, and a pressing member is provided with a slot for the locking member and the follower member, and the pressing member defines an opening for partially extending the locking member. The locking member is radially abutted against the lower edge of the button slot to form a locking type; the grooved inner wall of the pressing member is spaced apart and parallelly opens a first for the elastic positioning cam to be selectively fastened a positioning spring and a second positioning groove, a second spring is disposed between the follower and the bottom of the pressing member; when the locking member is axially pressed, it is disengaged from the lower edge of the button groove and retracted into the opening Internally, the locking member is pressed radially to synchronously drive the follower radially in the slot. Shifting, the elastic positioning tenon is moved down and fastened to the second positioning groove to form an unlocked shape; when the pressing member is pressed radially, the synchronous driving member and the follower are moved downwards radially Until the follower abuts against the at least one stop block, the pressing member continues to move downward to fasten the elastic positioning tongue to the first positioning groove.

As shown in FIG. 1 to FIG. 4, basically, the gas combustion apparatus of the present invention comprises a storage cylinder 1, an air outlet device 2, a casing 3, a safety button 4, a piezoelectric device 5, and a combustion device 6.

The cartridge 1 is for storing liquid gas, and has a conventional nozzle (not shown) at the bottom for replenishing fuel; and the top of the cartridge 1 is for receiving and positioning the gas outlet device 2.

The air outlet device 2 has a gas outlet 21 mounted on the top of the storage cylinder 1 and controlled as a gas shut-off control. The gas outlet nozzle 21 is sleeved with one end of the gas pipe 22, and the other end of the gas pipe 22 is fitted with a gas nozzle. twenty three. When the air outlet 21 is pulled up, the liquid gas in the cartridge 1 is vaporized, and the gas is introduced into the gas pipe 22 from the gas outlet 21, and is rapidly ejected by the air nozzle 23 to enter. The combustion device 6 performs a combustion operation.

The housing 3 is formed by abutting the two covers 31 to cover the cartridge 1 and the air outlet device 2. A filling hole 311 is defined in the bottom of the housing 3, and a fixing hole 312, an adjusting groove 313 and a button groove 314 are formed on the front top, the upper middle upper surface and the upper rear surface of the housing 3 respectively. A fixing seat 61 for the combustion device 6, an adjusting member 24 corresponding to the position of the air outlet 21, and the accommodation and positioning of the safety button 4. Moreover, the housing 3 forms a receiving groove 315 for receiving and positioning the piezoelectric device 5 on the inner wall of the button groove 314.

Referring to FIG. 2a and FIG. 2b, the safety button 4 includes a locking member 41, a follower member 42 and a pressing member 43. The locking member 41 is axially slidably attached to the upper surface of the follower member 42. For example, the two side walls of the locking member 41, for example, the left side wall and the right side wall, opposite to each other, a pair of arm slots 411 are formed. The pair of arm slots 411 A pair of buckles 422 are oppositely disposed on the two sides of the rear side of the rear side of the follower member 42 , and the pair of hooks 422 are fastened into the pair of buckle slots 412 . The locking member 41 and the follower 42 are not axially separated. A first spring 413 is disposed between the locking member 41 and the follower member 42. For example, a spring hole 414 is formed in the front of the locking member 41 for arranging one end of the first spring 413, and the other end of the first spring 413 is provided. Then, the front inner wall of the follower 42 is abutted, so that the locking member 41 can elastically slide axially relative to the follower 42.

In order to provide a better axial sliding effect, an inverted T-shaped slide rail 415 is protruded from the bottom surface of the locking member 41, and the follower member 42 defines a sliding position for the sliding rail 415 corresponding to the position of the sliding rail 415. The slot 423 allows the slide rail 415 to slide axially back and forth along the slide slot 423. In addition, in order to enable the follower 42 to be selectively radially positioned in a first position or a second position inside the pressing member 43, the follower 42 is disposed on the back of the locking member 41. The positioning cam 424 is elastically positioned. Moreover, in order to prevent the locking member 41 from being axially disengaged from the back surface of the pressing member 423, the two side walls of the locking member 41, for example, the left side wall and the right side wall, are oppositely opened with a pair of dams 416.

An opening 431 is defined in the back surface of the pressing member 43 for partially extending the locking member 41. The inner walls of the two sides of the opening 431, for example, the left inner wall and the right inner wall are oppositely disposed to abut the pair of dams 416. A pair of stops 432 prevent the locking member 41 from axially disengaging from the opening 431. The follower 42 is sleeved in a slot 433 in front of the pressing member 43 and abuts against the front side of the follower 42 by a pair of inner hooks 434 at the leading edge of the slot 433. The follower 42 is not axially separated from the pressing member 43. The pressing member 43 defines a first positioning slot 435 and a second positioning slot 436 spaced apart from each other in the inner wall of the slot 433 of the elastic positioning collar 424 for the follower 42 to follow the locking member 41. The radial displacement of the elastic positioning protrusion 424 is moved by the first positioning groove 435 and fastened to the second positioning groove 436, or the follower 42 is displaced along with the radial direction of the pressing member 43 The elastic positioning protrusion 424 is moved by the second positioning groove 436 and fastened to the first positioning groove 435.

A second spring 425 is disposed between the follower 42 and the bottom of the pressing member 43 to provide kinetic energy for the radial displacement of the locking member 41 by the follower 42. The first spring 426 is disposed on the bottom surface of the second member 425, and the other end of the second spring 425 is disposed in a first spring slot 437 formed at the bottom of the pressing member 43. . Furthermore, a third spring 438 is disposed on the bottom of the pressing member 43 and the inner wall of the casing 3 to provide kinetic energy for the upward displacement of the pressing member 43. The bottom surface of the pressing member 43 protrudes from a second spring 439 at one end of the third spring 438, and the other end of the third spring 438 is disposed in a second spring slot 316 defined in the interior of the housing 3.

The elastic positioning protrusion 424 of the follower 42 can be moved by the second positioning groove 436 and fastened to the first positioning groove 435, so that the housing is rotated. At least one stop block 317 can be protruded from the inner wall of the button slot 314 as a radial displacement limit of the follower 42. Further, in order to enable the pressing member 43 to continue to be pressed, a stopper groove 430 is provided on the bottom side of the back surface, for example, the right side.

According to the above description, after the locking member 41, the follower 42 and the pressing member 43 are assembled, the safety button 4 as shown in FIG. 1 is formed.

In addition, the inside of the casing 3 is pivotally connected with a gas pressure plate 32 above the top of the pressing member 43 and the bottom of the pressing member 43. The one end of the air pressure plate 32 is adjacent to the top inner wall of the opening 433, and the other end is sleeved thereon. Air outlet 21. When the pressing member 43 is pressed radially, the outlet air plate 32 generates a moment to cause the air outlet 21 to be pulled up to supply the gas to the air delivery pipe 32. In addition, in order to provide the function of continuous combustion, the back surface of the casing 3 is correspondingly positioned with a continuous key 33 for lateral movement of the retaining groove 430; when the pressing member 43 is pressed down to the bottom, the air outlet device is made 2 forming a gas supply state, and then laterally, for example, pushing the continuous key 33 to the right, moving it into the stop groove 430 and forming a locking (interference) type to prevent the rebound of the pressing member 43 To form a continuous gas supply state.

In particular, the adjusting member 24 is sleeved at one end of the air outlet 21 and the other end is extended by the adjusting slot 313. Therefore, by rotating the adjusting member 24, the air outlet 21 is rotated along with the adjusting member 24, thereby adjusting the outflow amount of the gas.

The piezoelectric device 5 is disposed in the accommodating groove 315 inside the casing 3, the top of the piezoelectric device 5 is adjacent to the pressing member 43, and the piezoelectric device 5 has a conductive line extending to the combustion device 6, respectively. 51 and a return wire 52.

The fixing device 6 has a fixing base 61. The fixing base 61 has a positioning hole 611, a first wire groove 612 and a second wire groove 613, and a metal. A downstream end of the prepared mixing tube 62 is inserted into the positioning hole 611, and the air nozzle 23 is sleeved in the downstream end, so that the gas enters the mixing tube 62 in a spray manner. At least one air inlet 621 is defined in the side of the mixing tube 62 to introduce outside air into the mixing tube 62 and mix with the gas to facilitate combustion. The mixed gas after the mixing is ejected by a nozzle 622 joined to an upstream end of the mixing tube 62.

Moreover, in order to form a better heat insulation efficiency, the heat injection ring 622 is provided with a heat insulating ring 63 which is a pipe body made of ceramic. After the sleeve 64 is sleeved with a ring 65, the ring 65 is attached, for example, to the fixing base 61, and the heat insulating ring 63 and the fire nozzle 622 are located in the sleeve 64. . The sleeve 64 defines at least one venting groove 641 corresponding to the position of the air inlet 621 to facilitate the introduction of the air. The rear end of the sleeve 64 is electrically connected to the conductive wire 51 and the return wire 52 at the positions of the first wire groove 612 and the second wire groove 613, and the front end of the sleeve 64 and the squirt nozzle The 622 has a small distance, so when the pressing member 43 is pressed, the piezoelectric device 5 is compressed, and the generated high-voltage static electricity is passed through the conductive wire 51 and the sleeve 64 to the position of the fire nozzle 622, so that the sleeve A high-voltage static spark is generated between the 64 and the lance 622, and the mixed gas sprayed from the lance 622 is ignited for combustion. The high voltage static electricity is returned to the piezoelectric device 41 through the sleeve 64 and the return wire 52 to form a loop.

In particular, the front end of the sleeve 64 is separately coupled with a soldering iron head 7. The soldering iron head 7 is internally provided with a heating element 71, and the heating element 71 is fixed in the soldering iron head 7 by a fixing ring 72. The flame at the time of burning heats the tip 7 so that the gas burner becomes a gas soldering iron as shown in Figs. 3a, 3b and 4.

Please refer to FIG. 5a, which is a cross-sectional view showing the safety button 4 in a locked state, in which the first spring 413, the second spring 425 and the third spring 438 are in an extended (released) state, so that the locking member 41 is located in the opening 431 of the pressing member 43 and partially protrudes outside the opening 431, and the pair of dams 416 abut against the pair of stoppers 432, so that the pressing member 43 is radially opposed by the locking member 41. The bottom edge of the button groove 314 of the housing 3 is formed to form a locked type that cannot be pressed. The top of the pressing member 43 abuts the outlet air plate 32, and the bottom portion abuts the piezoelectric device 5; the elastic positioning protrusion 424 of the follower member 42 is fastened to the first positioning slot 435 of the pressing member 43. .

Referring to FIG. 2a, FIG. 2b, FIG. 5b and FIG. 5c, if the unlocking is to be performed, the user axially presses the locking member 41 so that the pair of arm slots 411 and the sliding rails 415 of the locking member 41 are respectively along the slave. The pair of arms 421 of the moving member 42 and the sliding slot 423 are axially moved forward, so that the locking member 41 is disengaged from the lower edge of the button slot 314 and retracted into the opening 431, and the first spring 413 is compressed (display Figure 5b). Then, the locking member 41 is pressed radially to synchronously drive the follower 42 to move downward in the inner diameter of the slot 433, and compress the second spring 425, and the elastic positioning convex of the follower 42 The 榫 424 is fastened to the second positioning slot 436 of the pressing member 43 (shown in FIG. 5 c ), that is, the unlocking action is completed.

Referring to FIG. 4, FIG. 6a and FIG. 6b, after the unlocking action of the locking member 41 and the follower 42 is completed, the user can press the pressing member 43 radially, and in the process, the top of the pressing member 43 Pressing one end of the outlet air plate 32, causing the other end to be lifted by the lever action, and pulling the air outlet 21 at the top of the storage tube 1 to form a gas supply state, passing the gas through the air outlet device 2 and the combustion The device 6 finally discharges the mixed gas from the burner 622: the locking member 41 and the follower 42 also move down with the pressing member 43 until the bottom edge of the follower 42 touches the pair of stops The block 317 stops the movement of the locking member 41 and the follower 42 , and the pressing member 43 continues to move downward, so that the elastic positioning cam 424 is removed from the second positioning groove 436 and fastened to the first a positioning groove 435 (shown in FIG. 6b), the locking member 41 is located in the opening 431; the pressing member 43 simultaneously compresses the third spring 438 and the piezoelectric device 5, so that the high-voltage static electricity generated by the piezoelectric device 5 is The conductive wire 51 and the sleeve 64 are transferred, and a high-voltage static spark is formed between the sleeve 64 and the fire nozzle 622, so that The gas mixture ignited, for operation of the combustion tip 7.

If the combustion operation is to be continued, the user and the continuous key 33 are engaged to engage the locking groove 430 of the pressing member 43 to form a locking (interference) type, so that the pressing member 43 cannot be radially Move to form a gas continuous supply pattern (shown in Figure 6a). At this time, the first spring 413, the third spring 438, and the piezoelectric device 5 are in a compressed (energy storage) state, and the second spring 425 is in an extended (released) state.

After the combustion operation is completed, the user only has to reversely push the continuous key 33 to release the locked type. At this time, the pressing member 43 is extended by the third spring 438 and the piezoelectric device 5, and The timing of the first spring 413 is extended by the axial movement of the first spring 413 after the pressing member 43 abuts against the upper edge of the button groove 314. The button slot 314 partially protrudes from the button slot 314 and abuts against the lower edge of the button slot 314 to form an automatic locking type; and the radial movement of the pressing member 43 and the elasticity of the air outlet 21 The returning action returns the outlet air plate 32 to the original position to cut off the supply of the gas and extinguish the flame.

In particular, in order to provide a lighting effect for the welding (combustion) operation, the gas burner further comprises a lighting device 8, such as an LED lamp, and the housing 3 is opened towards the burning device 6 for the lighting device 8 A mating slot 318 is provided so that when welding is performed, the user can equate the lighting device 8 to provide the necessary illumination.

Therefore, through the implementation of the present case, the gain of the safety button is that the safety button has three functions of manual unlocking, automatic locking and pressing operation after integration to increase operational stability and durability, since the manual unlocking process is full. The considerable cumbersomeness and difficulty can indeed avoid the unpredictable disasters that children may cause, and thus meet the safety requirements of European and American countries. Furthermore, in the case of releasing the combustion operation in the present case, the safety button, the piezoelectric device and the outlet air plate are returned to the original position, and the gas is cut off, only by releasing the pressing member or releasing the interference of the continuous member. Supply, to extinguish the flame, and automatically lock, very human design considerations. In particular, the case is modularized, easy to assemble, and can be used depending on the purpose of use, but the use of combustion tools, such as burners or soldering irons, is highly competitive in the industry, and is similar to similar items. A great structure.

The disclosure of the present invention is a preferred embodiment. Any change or modification of the present invention originating from the technical idea of the present invention and being easily inferred by those skilled in the art will not deviate from the scope of patent rights of the present invention.

1‧‧‧receiver
2‧‧‧Exhaust device
21‧‧‧ Vents
22‧‧‧ gas pipeline
23‧‧‧Air nozzle
24‧‧‧Adjustment
3‧‧‧Shell
31‧‧‧ Cover
311‧‧‧Drilling
312‧‧‧Fixed holes
313‧‧‧Adjustment slot
314‧‧‧ button slot
315‧‧‧ accommodating slots
316‧‧‧Second spring groove
317‧‧‧stop block
318‧‧‧ Socket slot
32‧‧‧out air pressure plate
33‧‧‧Continue button
4‧‧‧Safety button
41‧‧‧Locking parts
411‧‧‧ arm slot
412‧‧‧ buckle groove
413‧‧‧First spring
414‧‧‧Spring hole
415‧‧‧rails
416‧‧‧ 榫
42‧‧‧ Followers
421‧‧‧ Arm
422‧‧‧ hook
423‧‧ ‧ chute
424‧‧‧Flexible positioning cam
425‧‧‧Second spring
426‧‧‧First Spring
43‧‧‧Pressing parts
431‧‧‧Opening
432‧‧‧ stop
433‧‧‧ slotting
434‧‧‧Naka hook
435‧‧‧First positioning slot
436‧‧‧Second positioning slot
437‧‧‧First Spring Groove
438‧‧‧ Third spring
439‧‧‧Second spring
430‧‧‧stop groove
5‧‧‧Piezoelectric device
51‧‧‧Flexible wire
52‧‧‧Return wire
6‧‧‧ burning device
61‧‧‧ Fixed seat
611‧‧‧Positioning holes
612‧‧‧First line slot
613‧‧‧Second trunking
62‧‧‧Mixed tube
621‧‧‧Inlet
622‧‧‧Spit
63‧‧‧Insulation ring
64‧‧‧ casing
641‧‧‧Ventilation slot
65‧‧‧ 环
7‧‧‧iron head
71‧‧‧heating body
72‧‧‧Fixed ring
8‧‧‧Lighting device

In order to further disclose the specific technical content of the present invention, first, please refer to the drawings, wherein: FIG. 1 is an exploded perspective view of the gas burner of the present invention; FIG. 2a and FIG. 2b are exploded perspective views of two different viewing angles of the safety button of the present invention; Figure 3b is a perspective view of two different viewing angles of the gas burner of the present invention; Figure 4 is a sectional view of the gas burner of the present invention; Figure 5a to Figure 5c are sectional views of the unlocking process of the locking member of the safety button of the present invention; and Figure 6a and Figure 6b is a cross-sectional view of two different viewing angles when the safety button of the case is pressed.

1‧‧‧receiver

21‧‧‧ Vents

23‧‧‧Air nozzle

3‧‧‧Shell

311‧‧‧Drilling

313‧‧‧Adjustment slot

315‧‧‧ accommodating slots

317‧‧‧stop block

32‧‧‧Exhaust air plate

4‧‧‧Safety button

425‧‧‧Second spring

2‧‧‧Exhaust device

22‧‧‧ gas pipeline

24‧‧‧Adjustment

31‧‧‧ Cover

312‧‧‧Fixed holes

314‧‧‧ button slot

316‧‧‧Second spring groove

318‧‧‧ Socket slot

33‧‧‧Continue button

42‧‧‧ Followers

43‧‧‧Pressing parts

438‧‧‧ Third spring

51‧‧‧Flexible wire

6‧‧‧ burning device

611‧‧‧Positioning holes

613‧‧‧Second trunking

621‧‧‧Inlet

63‧‧‧Insulation ring

641‧‧‧Ventilation slot

7‧‧‧iron head

5‧‧‧Piezoelectric device

52‧‧‧Return wire

61‧‧‧ Fixed seat

612‧‧‧First line slot

62‧‧‧Mixed tube

622‧‧‧Spit

64‧‧‧ casing

65‧‧‧ 环

8‧‧‧Lighting device

Claims (21)

A gas burner comprises: a casing having a storage cylinder and an air outlet device therein, the air outlet device comprising an air outlet mounted on the top of the storage cylinder and controlled as a gas break, and two ends Each of the air inlets of the air outlet and the air nozzle is sleeved; and the peripheral surface of the housing respectively forms a fixing hole for a combustion device and a button slot for a safety button. An air pressure plate is pivotally connected to the upper portion of the cartridge, the air outlet plate is sleeved at one end of the air outlet, and the other end is located above the button slot, and the inner wall of the button slot is provided with at least one stop block and one for one a accommodating slot of the piezoelectric device, the piezoelectric device has a conductive wire and a return wire; the burning device has a fixing seat mounted on the fixing hole, and the fixing seat is provided with a positioning for positioning of a mixing tube a hole, and the air nozzle is inserted into a downstream end of the mixing tube, an upstream end of the mixing tube is coupled to a spray nozzle, and a sleeve is sleeved with a ring, and then the ring is connected Attaching the fixing seat, the fire nozzle is located in the sleeve, and the sleeve Forming an electrical connection with the conductive wire and the return wire at the fixing seat position; and the safety button includes a locking member, the locking member is axially slidably mounted above a follower member, and the locking member is A first spring is disposed between the follower and the retaining member is provided with an elastic positioning collar under the locking member, and a pressing member is provided with a slot for the locking member and the follower The pressing member defines an opening for partially extending the locking member, so that the locking member abuts against the lower edge of the button slot to form a locking type; the inner wall of the slot of the pressing member is spaced apart a first positioning slot and a second positioning slot for selectively fastening the elastic positioning protrusions are disposed in parallel, and a second spring is disposed between the follower and the bottom of the pressing member, and the top surface of the pressing member is The wall abuts the outlet air plate, and the bottom surface abuts the piezoelectric device; when the locking member is axially pressed, it is disengaged from the lower edge of the button groove and retracted into the opening, and then the locking member is radially pressed to Synchronously driving the follower to move downward in the inner diameter of the slot, so that the elastic positioning convex Move down and fasten to the second positioning groove to form an unlocked state; when the pressing member is pressed radially, simultaneously touch the air pressure plate and the piezoelectric device, and simultaneously drive the locking member and the follower Radially moving downward until the follower abuts against the at least one stop block, and the pressing member continues to move downward to fasten the elastic positioning collar to the first positioning groove. The gas burner of claim 1, wherein the two side walls of the locking member are opposite to each other, and a pair of arm grooves are opposite to the rear side of the pair of arm grooves; and one of the upper sides of the follower member A pair of hooks are oppositely disposed on the arm, and the pair of hooks are fastened in the pair of buckle grooves so that the locking member and the follower are not axially separated. The gas burner of claim 1, wherein the two side walls of the locking member are opposite to each other, and the inner walls of the two sides of the opening of the pressing member are oppositely disposed to abut the pair of dampers. The pair of stops prevents the locking member from coming out axially from the opening. The gas burner of claim 1, wherein a front end of the locking member is provided with a spring hole for one end of the first spring, and the other end of the first spring abuts the front of the driven member. The inner wall allows the locking member to elastically slide axially relative to the follower. The gas burner of claim 1, wherein the bottom surface of the locking member protrudes from an inverted T-shaped slide rail, and the follower member defines a sliding slot for the sliding rail corresponding to the sliding rail position. So that the slide rail can slide back and forth along the axial direction of the chute. The gas burner of claim 1, wherein the pair of inner hooks of the grooved front edge abut on the front sides of the follower, so that the follower does not axially with the pressing member. Separation. The gas burner of claim 1, wherein the bottom surface of the follower protrudes from a first spring at one end of the second spring, and the other end of the second spring is disposed at the bottom of the press member. Opened in a first spring groove. The gas burner of claim 1, wherein the bottom of the pressing member and the inner wall of the casing are provided with a third spring, wherein the bottom surface of the pressing member protrudes from a second spring at one end of the third spring. The other end of the third spring is disposed in a second spring groove opened inside the casing. The gas burner of claim 1, wherein the bottom side of the pressing member is provided with a stopping groove, and the housing is corresponding to a continuous button of the locking groove position for lateral movement; The continuous button is toggled to move into the retaining slot and form a locked configuration to prevent rebound of the pusher. The gas burner of claim 1, wherein the circumference of the casing is further provided with an adjusting groove at the position of the gas outlet, and one end of the adjusting member is sleeved at the gas outlet, and the other is One end is extended by the adjustment groove. The gas burner according to claim 1, wherein the front end of the sleeve is further combined with a soldering iron head, and a heating element is disposed inside the soldering iron, and the heating element is fixed in the soldering iron head by a fixing ring. The gas burner of claim 1, further comprising a lighting device, wherein the housing opens a slot for the lighting device to be positioned toward the burning device. A safety button for a gas burner is disposed on a peripheral surface of a casing to define a button groove, and an inner wall of the button groove is provided with at least one stopper; the safety button includes a locking member, and the locking member can be An axially slidably mounted over a follower member, and a first spring is disposed between the locking member and the follower member, the follower member is provided with an elastic positioning cam under the locking member, and Having a slot for the locking member and the follower sleeve, the pressing member defines an opening for the locking member to partially protrude, so that the locking member abuts against the lower edge of the button slot a first positioning groove and a second positioning groove for selectively engaging the elastic positioning protrusions, and the second positioning groove, and the second positioning groove are respectively provided in the slotted inner wall of the pressing member. a second spring is disposed between the bottom of the pressing member; when the locking member is axially pressed, it is disengaged from the lower edge of the button groove and retracted into the opening, and then the locking member is radially pressed to synchronously drive the locking member. The follower moves downward in the inner diameter of the slot, so that the elastic positioning cam moves downward and is fastened to the second Positioning the slot to form an unlocked state; when the pressing member is pressed radially, the timing of the locking member and the follower are moved downwards until the follower abuts against the at least one stop block And the pressing member continues to move downward to fasten the elastic positioning protrusion to the first positioning groove. The safety button for a gas burner according to claim 13, wherein the two side walls of the locking member are opposite to each other to open a pair of arm grooves, and the pair of arm grooves are opposite to each other to open a pair of buckle grooves; and the follower member A pair of hooks are disposed opposite to each other on the upper side of the pair of hooks, and the pair of hooks are fastened into the pair of latching grooves so that the locking member and the follower are not axially separated. The safety button for a gas burner according to claim 13, wherein the two side walls of the locking member are opposite to each other, and the inner walls of the inner side of the opening of the pressing member are oppositely opened. A pair of stops against the damper prevents the locking member from axially disengaging from the opening. The safety button for a gas burner according to claim 13, wherein a front end of the locking member is provided with a spring hole for one end of the first spring, and the other end of the first spring abuts The front inner wall of the follower elastically slides the locking member relative to the follower. The safety button for a gas burner according to claim 13 , wherein an inverted T-shaped slide rail is protruded from a bottom surface of the locking member, and the sliding member is opened for the slide rail position. A sliding slot is inserted so that the sliding rail can slide back and forth along the axial direction of the sliding slot. The safety button for a gas burner according to claim 13, wherein a pair of inner hooks of the grooved front edge abut on the front sides of the follower, so that the follower does not The pressing member is axially separated. The safety button for a gas burner according to claim 13, wherein a bottom surface of the follower protrudes from a first spring of one end of the second spring, and the other end of the second spring is provided. A first spring groove is formed in the bottom of the pressing member. The safety button for a gas burner according to claim 13, wherein the bottom of the pressing member and the inner wall of the casing are provided with a third spring, wherein the bottom surface of the pressing member protrudes from the one end of the third spring. A second spring is disposed, and the other end of the third spring is disposed in a second spring groove formed in the interior of the housing. The safety button for a gas burner according to claim 13 , wherein a bottom of the pressing member is provided with a stopping groove, and the housing is corresponding to a lateral movement of the locking groove. a continuous button; when the continuous button is toggled laterally, it is moved into the stop slot and forms a locked pattern to prevent rebound of the pressing member.