CN214841003U

CN214841003U - Automatic switch device for gas valve of gas stove

Info

Publication number: CN214841003U
Application number: CN202121207162.4U
Authority: CN
Inventors: 曹开银; 潘叶江
Original assignee: Vatti Co Ltd
Current assignee: Vatti Co Ltd
Priority date: 2021-06-01
Filing date: 2021-06-01
Publication date: 2021-11-23
Anticipated expiration: 2031-06-01

Abstract

The utility model discloses an automatic switch device for a gas valve of a gas stove, which comprises a running water platform, a clamping component and a driving component for driving the clamping component to lift and rotate; a stove with an air valve switch is placed on the running water platform; the fixed end of the driving component is detachably fixed above the water flowing platform and corresponds to a knob of the stove; the clamping assembly comprises a clamping support, a first clamping jaw and a second clamping jaw, the clamping support is detachably fixed at the free end of the driving assembly, the first clamping jaw and the second clamping jaw are respectively in position-adjustable rotary connection with the clamping support, the first clamping jaw and the second clamping jaw are in meshed connection, and the air valve switch is clamped between the first clamping jaw and the second clamping jaw. The utility model discloses a gas-cooker pneumatic valve automatic switch device simple structure, solve positioning error on the assembly line, solve error, improvement tolerance rate and improvement detection efficiency that exist in preparation and the assembling process.

Description

Automatic switch device for gas valve of gas stove

Technical Field

The utility model relates to a gas-cooker detects technical field, especially relates to a gas-cooker pneumatic valve automatic switch device.

Background

The air tightness of the gas stove is related to personal and property safety, if the air tightness of the gas stove is unqualified, the gas stove is the largest hidden danger of safety accidents, and therefore the air tightness of the gas stove is detected in different ways.

The online gas tightness detection of the gas stove in the prior art is basically manual detection, and the phenomena of improper operation, influence of factors such as emotion fluctuation of operators on the accuracy of a detection result, low detection efficiency and the like are also detected by workers; meanwhile, under the large environment that labor cost is continuously promoted, upgrading into automatic intelligent detection is a great trend.

The method adopts full-automatic intelligent detection to replace manual detection, firstly solves the problem of automatic opening and closing of the gas valve of the cooking stove in the detection process, and solves the problem that the adaptability of the gas valve mechanism of the automatic opening and closing machine to different gas valve rod distances under the conditions that the distances between the gas valve rods are inconsistent due to the errors of processing and assembling of parts and the mutual position sizes of the cooking stove related to detection operation, such as the error of the gas valve center distance of the double-hole cooking stove. Meanwhile, in the transportation process of the gas stove on the assembly line, errors can be generated in the positioning of the gas stove on the assembly line due to some objective reasons, and therefore the problem of automatic opening and closing of the gas valve can be greatly influenced.

SUMMERY OF THE UTILITY MODEL

The utility model relates to a solve not enough among the prior art and accomplish, the utility model aims at providing a simple structure, solve positioning error on the assembly line, solve error, improvement tolerance rate and improvement detection efficiency's gas-cooker pneumatic valve automatic switch device that exists in preparation and the assembling process.

The utility model adopts the technical proposal that:

an automatic switching device for a gas valve of a gas stove comprises a water flowing platform, a clamping assembly and a driving assembly for driving the clamping assembly to lift and rotate; a stove with an air valve switch is placed on the running water platform; the fixed end of the driving component is detachably fixed above the water flowing platform and corresponds to a knob of the stove; the clamping assembly comprises a clamping support, a first clamping jaw and a second clamping jaw, the clamping support is detachably fixed at the free end of the driving assembly, the first clamping jaw and the second clamping jaw are respectively in position-adjustable rotary connection with the clamping support, the first clamping jaw and the second clamping jaw are in meshed connection, and the air valve switch is clamped between the first clamping jaw and the second clamping jaw.

Preferably, the clamping assembly further comprises at least one group of adjusting pieces for adjusting the positions of the first clamping jaw and the second clamping jaw, the adjusting pieces are connected to the clamping support in a sliding mode along the conveying direction of the running water table, and the first clamping jaw and the second clamping jaw are connected to the adjusting pieces in a rotating mode respectively.

Preferably, the adjusting part includes locating piece, positioning screw and cover and locates first spring on the positioning screw, the positioning screw set up in first jack catch with two faces that the second jack catch is relative, the positioning screw pass the centre gripping support and with locating piece threaded connection, first spring set up in the positioning screw with between the centre gripping support, the locating piece with centre gripping support sliding connection, first jack catch with second jack catch respectively swivelling joint in on the locating piece.

Preferably, the clamping bracket is provided with circular holes on two opposite surfaces of the first clamping jaw and the second clamping jaw, and the positioning screw penetrates through the circular holes and is fixedly connected with the positioning block in a threaded manner.

Preferably, the clamping support is provided with strip holes on the other two opposite surfaces of the first clamping jaw and the second clamping jaw, and the positioning block is slidably connected with the clamping support in the strip holes.

Preferably, a first rotating shaft and a second rotating shaft are detachably fixed on the positioning block, the first rotating shaft penetrates through the first clamping jaw, and the second rotating shaft penetrates through the second clamping jaw.

Preferably, the first jaw comprises a first cross rod and a first clamping portion which are integrally formed or fixed, the second jaw comprises a second cross rod and a second clamping portion which are integrally formed or fixed, the first cross rod is respectively abutted with the second cross rod and the air valve switch in a releasable manner, the air valve switch is clamped between the first clamping portion and the second clamping portion, and the first clamping portion and the second clamping portion are respectively connected with the clamping support in a rotating manner.

Preferably, the centre gripping subassembly still includes connecting rod, second spring, gasket and nut, the one end of connecting rod with drive assembly's output is detachable fixed, the other end of connecting rod overlaps in proper order and is equipped with the second spring the gasket with the nut, the connecting rod is kept away from drive assembly's one end the second spring the gasket with the nut holds simultaneously in the centre gripping support, the second spring be close to drive assembly's one end with the centre gripping support butt.

Preferably, the driving assembly comprises a rotary cylinder, a rotary disk, a telescopic cylinder and a cylinder seat, wherein the fixed end of the rotary cylinder is detachably fixed above the running water table, the rotary disk is detachably fixed at the free end of the rotary cylinder, the cylinder seat is detachably fixed with the rotary disk, the telescopic cylinder is detachably fixed on the cylinder seat, a piston rod of the telescopic cylinder is detachably abutted to the clamping assembly, and the clamping assembly is telescopically connected with the cylinder seat.

Preferably, the drive assembly is detachably fixed on the top of the flowing water platform through a top plate and a stand column, one end of the stand column is detachably fixed on one side of the flowing water platform, the other end of the stand column is detachably fixed on one side of the top plate, the top plate is arranged at a position corresponding to the top of the flowing water platform, and the fixed end of the drive assembly is detachably fixed on the top plate.

The utility model discloses a gas-cooker pneumatic valve automatic switch device, the advantage for prior art is: simple structure, solve positioning error on the assembly line, solve the error that exists in preparation and the assembling process, improve the tolerance rate and improve detection efficiency.

Drawings

Fig. 1 is a schematic view showing the use of an automatic switch device for a gas valve of a gas stove.

Fig. 2 is an exploded view of a clamping assembly of an automatic gas valve switch device of a gas stove.

Fig. 3 the utility model relates to an assembly left view of an automatic gas valve opening and closing device of a gas stove.

Fig. 4 is a sectional view of a-a in fig. 3 of an automatic opening and closing device for a gas valve of a gas range of the present invention.

Fig. 5 is a sectional view of the automatic opening and closing device of a gas valve of a gas stove, shown in fig. 4, along line B-B.

Fig. 6 is an exploded view of a driving assembly of an automatic gas valve opening and closing device of a gas stove.

Fig. 7 is an exploded view of the driving assembly and the clamping assembly of the automatic gas valve opening and closing device of a gas stove.

Fig. 8 is an assembly schematic view of a driving assembly and a clamping assembly of an automatic gas valve switching device of a gas stove.

Fig. 9 is a cross-sectional view of the clamping assembly and the connecting rod of the automatic gas valve opening and closing device of the gas stove.

Description of the figures

1. A running water table; 11. a top plate; 12. a column;

2. a clamping assembly; 21. clamping the bracket; 211. a circular hole; 212. a strip hole; 22. a first jaw; 221. a first cross bar; 222. a first clamping portion; 23. a second jaw; 231. a second cross bar; 232. a second clamping portion; 24. an adjustment member; 241. positioning blocks; 2411. a first rotating shaft; 2412. a second rotation shaft; 242. positioning a screw rod; 243. a first spring; 25. a connecting rod; 26. a second spring; 27. a gasket; 28. a nut;

3. a drive assembly; 31. a rotating cylinder; 32. rotating the disc; 33. a telescopic cylinder; 34. a cylinder block; 341. a screw;

4. a cooker; 41. and (4) opening and closing of the air valve.

Detailed Description

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", "vertical", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The automatic opening and closing device for gas valve of gas range according to the present invention will be described in detail with reference to fig. 1 to 9 of the drawings.

The utility model relates to an automatic switch device for gas valve of gas stove, please refer to the relevant figures in fig. 1 to 9, which comprises a water table 1, a clamping component 2 and a driving component 3 for driving the clamping component 2 to lift and rotate; a stove 4 with an air valve switch 41 is arranged on the running water platform 1; the fixed end of the driving component 3 is detachably fixed above the water flowing platform 1 and corresponds to the knob of the stove 4; the clamping assembly 2 comprises a clamping support 21, a first clamping jaw 22 and a second clamping jaw 23, the clamping support 21 is detachably fixed at the free end of the driving assembly 3, the first clamping jaw 22 and the second clamping jaw 23 are respectively connected to the clamping support 21 in an adjustable-position rotating mode, the first clamping jaw 22 is connected to the second clamping jaw 23 in a meshed mode, and the air valve switch 41 is clamped between the first clamping jaw 22 and the second clamping jaw 23. Thus, the kitchen range 4 is placed on the flow table 1, the air valve switch 41 is arranged on the kitchen range 4, the clamping component 2 and the driving component 3 are both arranged at the position corresponding to the air valve switch 41, the fixed end of the driving component 3 is detachably fixed above the flow table 1 to support the driving force of the driving component 3, the free end of the driving component 3 is detachably fixed with the clamping component 2 to provide the rotating and pressing power for the clamping component 2 to open or close the air valve switch 41, the top of the clamping support 21 is detachably fixed at the free end of the driving component 3, the first clamping jaw 22 and the second clamping jaw 23 are respectively and rotatably connected on the clamping support 21, when the air valve switch 41 is opened, the driving component 3 drives the clamping support 21 to press downwards, the first jaw 22 or the second jaw 23 abuts against the top surface of the air valve switch 41 and is continuously pressed downwards, because the first jaw 22 is engaged with the second jaw 23, the reaction force of the air valve switch 41 on the first jaw 22 or the second jaw 23 pushes the first jaw 22 and the second jaw 23 to rotate towards the position of the air valve switch 41, so that the air valve switch 41 is tightly clamped, the driving assembly 3 continuously drives the clamping assembly 2 to rotate, so that the first jaw 22 and the second jaw 23 clamp and rotate the air valve switch 41, the action of manually opening the air valve switch 41 is simulated, and the detection efficiency is improved. When the air valve switch 41 is closed, the driving assembly 3 drives the clamping assembly 2 to rotate, after the air valve switch is rotated to the position, the driving assembly 3 drives the clamping assembly 2 to ascend, the first clamping jaw 22 and the second clamping jaw 23 are respectively released from the clamping relation with the air valve switch 41, and the first clamping jaw 22 and the second clamping jaw 23 are respectively restored to the initial state under the action of self gravity.

Further, the first jaw 22 and the second jaw 23 are respectively connected to the rotary bracket in a position-adjustable manner in a rotary manner, and if there is an error in positioning the cooker 4 on the flow table 1 or there is an error in the manufacturing or assembling process of the gas valve switch 41, the air valve switch 41 cannot center the middle position between the first jaw 22 and the second jaw 23, because the first jaw 22 and the second jaw 23 are arranged in a shape of 'eight', the distance between the bottoms of the first jaw and the second jaw is widened, and the position of the first jaw 22 and the second jaw 23 on the clamping bracket 21 is adjustable, the air valve switch 41 can also smoothly slide into and be aligned with the first jaw 22 and the second jaw 23 in the process of pressing down the first jaw 22 and the second jaw 23, and the tolerance rate in the gas tightness detection process of the gas stove is improved.

The utility model discloses a gas-cooker pneumatic valve automatic switch device please refer to in fig. 1 to fig. 9 relevant each picture, can also be on the basis of preceding technical scheme: the clamping assembly 2 further comprises at least one group of adjusting pieces 24 for adjusting the positions of the first clamping jaw 22 and the second clamping jaw 23, the adjusting pieces 24 are connected to the clamping support 21 in a sliding mode along the conveying direction of the running water table 1, and the first clamping jaw 22 and the second clamping jaw 23 are connected to the adjusting pieces 24 in a rotating mode respectively. Thus, in the process that the driving assembly 3 drives the clamping assembly 2 to press down, due to the existence of an error, the air valve switch 41 may be closer to the first clamping jaw 22 or the second clamping jaw 23 and cannot be better clamped, and in the process that the clamping assembly 2 presses down, the reverse pressure of the air valve switch 41 on the first clamping jaw 22 or the second clamping jaw 23 enables the adjusting piece 24 to slide relative to the clamping support 21 along the conveying direction of the running water table 1, so that the clamping forces applied to the front side and the rear side of the air valve switch 41 when the air valve switch is clamped by the first clamping jaw 22 and the second clamping jaw 23 are equal, and the air valve switch 41 is always located at the middle position of the first clamping jaw 22 and the second clamping jaw 23 in the detection process.

Further, the adjusting parts 24 are respectively and symmetrically arranged on the front side and the rear side of the clamping support 21 in a front-rear manner, a groove penetrating through the clamping support 21 from left to right is arranged in the middle of the lower portion of the clamping support 21, the first clamping jaw 22 and the second clamping jaw 23 are clamped in the second groove and are oppositely arranged, so that the first clamping jaw 22 and the second clamping jaw 23 simultaneously rotate in a vertical plane in the width direction of the flow table 1, the adjusting parts 24 on the front side and the rear side of the first clamping jaw 22 are rotatably connected, and the adjusting parts 24 on the front side and the rear side of the second clamping jaw 23 are rotatably connected, so that the first clamping jaw 22 and the second clamping jaw 23 are prevented from shifting in the rotating process, and the two clamping jaws are always kept in an engaged state in the process of sliding along with the adjusting parts 24 in the front-rear direction.

The utility model discloses a gas-cooker pneumatic valve automatic switch device please refer to in fig. 1 to fig. 9 relevant each picture, can also be on the basis of preceding technical scheme: the adjusting part 24 includes a positioning block 241, a positioning screw 242 and a first spring 243 sleeved on the positioning screw 242, the positioning screw 242 is disposed on two opposite surfaces of the first jaw 22 and the second jaw 23, the positioning screw 242 passes through the clamping support 21 and is in threaded connection with the positioning block 241, the first spring 243 is disposed between the positioning screw 242 and the clamping support 21, the positioning block 241 is in sliding connection with the clamping support 21, and the first jaw 22 is in rotation connection with the second jaw 23 on the positioning block 241. Thus, the positioning screws 242 are arranged on two opposite surfaces of the first jaw 22 and the second jaw 23, the positioning block 241 is disposed on the other two opposite surfaces of the first jaw 22 and the second jaw 23, the positioning screw 242 penetrates through the clamping bracket 21 and then is in threaded connection with two ends of the positioning block 241, both ends of the first spring 243 are respectively abutted against the positioning block 241 and the clamping bracket 21, when the first jaw 22 and the second jaw 23 are self-adjusted according to the position of the air valve switch 41, when the positioning block 241 moves along the longitudinal direction of the flow platform 1, the positioning block 241 presses the first spring 243, so that the first spring 243 generates an elastic force to the positioning block 241, when the first jaw 22 and the second jaw 23 release the air valve switch 41, the positioning block 241 is restored to the initial state by the elastic force.

Further, the adjusting members 24 are two sets of adjusting members 24 respectively disposed at the left and right sides of the clamping bracket 21, each set of adjusting members 24 includes two adjusting screws, two first springs 243 and one positioning block 241, when the first jaw 22 is disposed at the front side of the second jaw 23, two positioning screws 242 are respectively disposed at the front left and right sides of the first jaw 22, the other two positioning screws 242 are respectively disposed at the rear left and right sides of the second jaw 23, the two positioning screws 242 at the front and rear sides at the left side are symmetrically disposed in the front and rear direction and respectively penetrate through the clamping bracket 21 and are screwed with the front and rear ends of the positioning block 241 at the left side, the two positioning screws 242 at the front and rear sides at the right side are also provided, if the position of the air valve switch 41 is deviated from the front with respect to the first jaw 22 and the second jaw 23, the positioning block 241 is adapted to slide forward and press the first spring 243 forward, after the first jaw 22 and the second jaw 23 release the air valve switch 41, the front first spring 243 pushes the positioning block 241 to return to the initial position.

The utility model discloses a gas-cooker pneumatic valve automatic switch device please refer to in fig. 1 to fig. 9 relevant each picture, can also be on the basis of preceding technical scheme: the clamping bracket 21 is provided with circular holes 211 on two opposite surfaces of the first jaw 22 and the second jaw 23, and the positioning screw 242 penetrates through the circular holes 211 and is fixed to the positioning block 241 in a threaded manner. Thus, the circular holes 211 are respectively formed in the front side and the rear side of the clamping support 21, the circular holes 211 in the front side correspond to the circular holes 211 in the rear side one to one, so that the positioning screws 242 in the front side and the rear side correspond to each other one to penetrate through the positioning blocks 241, and the circular holes 211 play a role in positioning and guiding when the positioning blocks 241 drive the positioning screws 242 to move back and forth.

The utility model discloses a gas-cooker pneumatic valve automatic switch device please refer to in fig. 1 to fig. 9 relevant each picture, can also be on the basis of preceding technical scheme: the clamping bracket 21 is provided with a long hole 212 on the other two opposite surfaces of the first jaw 22 and the second jaw 23, and the positioning block 241 is slidably connected with the clamping bracket 21 in the long hole 212. Thus, the elongated holes 212 are disposed on the left side surface and the right side surface of the clamping bracket 21, the length direction of the elongated holes 212 is consistent with the conveying direction of the running water table 1, the positioning blocks 241 are embedded in the elongated holes 212 and are in clearance fit with the elongated holes 212, so that the positioning blocks 241 can slide relative to the clamping bracket 21, the elongated holes 212 guide the positioning blocks 241, the positioning blocks 241 move back and forth to adapt to the position of the air valve switch 41, and the air valve switch 41 is clamped and then located between the first clamping jaw 22 and the second clamping jaw 23.

The utility model discloses a gas-cooker pneumatic valve automatic switch device please refer to in fig. 1 to fig. 9 relevant each picture, can also be on the basis of preceding technical scheme: a first rotating shaft 2411 and a second rotating shaft 2412 are detachably fixed on the positioning block 241, the first rotating shaft 2411 penetrates through the first jaw 22, and the second rotating shaft 2412 penetrates through the second jaw 23. Thus, the first rotating shaft 2411 passes through the positioning block 241 and the first jaw 22, the first rotating shaft 2411 is in clearance fit with the first jaw 22, the second rotating shaft 2412 passes through the positioning block 241 and the second jaw 23, and the second rotating shaft 2412 is in clearance fit with the second jaw 23, so that the first jaw 22 and the second jaw 23 are simultaneously and rotatably connected to the positioning block 241, and the first jaw 22 and the second jaw 23 can simultaneously slide back and forth along with the positioning block 241, and simultaneously the first jaw 22 and the second jaw 23 are ensured to synchronously rotate during the pressing-down process of the clamping assembly 2.

Further, when the positioning blocks 241 are respectively disposed on the left side and the right side of the clamping support 21, the left end of the first rotating shaft 2411 and the left end of the second rotating shaft 2412 are respectively connected to the positioning block 241 on the left side, and the right end of the first rotating shaft 2411 and the right end of the second rotating shaft 2412 are respectively connected to the positioning block 241 on the right side, so that the phenomenon that the first clamping jaw 22 and the second clamping jaw 23 are not inclined and interfere with each other in the rotating or sliding process is further avoided.

The utility model discloses a gas-cooker pneumatic valve automatic switch device please refer to in fig. 1 to fig. 9 relevant each picture, can also be on the basis of preceding technical scheme: the first jaw 22 includes a first cross bar 221 and a first clamping portion 222 which are integrally formed or fixed, the second jaw 23 includes a second cross bar 231 and a second clamping portion 232 which are integrally formed or fixed, the first cross bar 221 is detachably abutted to the second cross bar 231 and the air valve switch 41, the air valve switch 41 is clamped between the first clamping portion 222 and the second clamping portion 232, and the first clamping portion 222 and the second clamping portion 232 are rotatably connected to the clamping support 21. Thus, a certain included angle exists between the first cross bar 221 and the first clamping portion 222, a certain included angle also exists between the second cross bar 231 and the second clamping portion 232, if the first cross bar 221 can be above the second cross bar 231 and there is an overlapping portion between the two, the two are attached to each other at the corresponding position of the overlapping portion, in an initial state, the first clamping portion 222 and the second clamping portion 232 are in an outer "eight" shape, the middle portions of the first clamping portion 222 and the second clamping portion 232 are respectively rotatably connected to the clamping bracket 21, when the clamping assembly 2 is pressed down, the top surface of the air valve switch 41 firstly abuts against the second cross bar 231 below, the second cross bar 231 is pushed up, the first cross bar 221 is simultaneously pushed up, so that the first clamping portion 222 and the second clamping portion 232 relatively rotate at the same time, the first clamping portion 222 and the second clamping portion 232 respectively abut against the front side and the rear side of the air valve switch 41 to clamp the air valve switch 41.

The utility model discloses a gas-cooker pneumatic valve automatic switch device please refer to in fig. 1 to fig. 9 relevant each picture, can also be on the basis of preceding technical scheme: the clamping assembly 2 further comprises a connecting rod 25, a second spring 26, a gasket 27 and a nut 28, one end of the connecting rod 25 is detachably fixed to the output end of the driving assembly 3, the other end of the connecting rod 25 is sequentially sleeved with the second spring 26, the gasket 27 and the nut 28, the connecting rod 25 is far away from one end of the driving assembly 3, the second spring 26, the gasket 27 and the nut 28 are simultaneously accommodated in the clamping support 21, and the second spring 26 is close to one end of the driving assembly 3 and the clamping support 21 is abutted. Thus, the two ends of the connecting rod 25 are respectively provided with external threads, the upper end of the connecting rod 25 is screwed into the output end of the driving component 3 to be detachably fixed, the connecting rod 25 can be fixed with the cylinder seat 34 or the rotating disc, the lower end of the connecting rod passes through a counter bore of the clamping bracket 21, is sleeved in the second spring 26 and the gasket 27 in sequence, and is finally screwed into the nut 28, so that the lower end of the connecting rod 25 is clamped on the clamping component 2, so that the second spring 26 is accommodated in the counter bore, both ends of the second spring 26 respectively abut against the top end of the holding bracket 21 and the gasket 27, when the driving assembly 3 pushes the clamping assembly 2 to descend, the second spring 26 is compressed, when the driving assembly 3 stops operating, the second spring 26 is reset to push the clamping assembly 2 to reset.

The utility model discloses a gas-cooker pneumatic valve automatic switch device please refer to in fig. 1 to fig. 9 relevant each picture, can also be on the basis of preceding technical scheme: the driving assembly 3 comprises a rotary cylinder 31, a rotary disk 32, a telescopic cylinder 33 and a cylinder seat 34, wherein the fixed end of the rotary cylinder 31 is detachably fixed above the running water table 1, the rotary disk 32 is detachably fixed at the free end of the rotary cylinder 31, the cylinder seat 34 is detachably fixed with the rotary disk 32, the telescopic cylinder 33 is detachably fixed on the cylinder seat 34, the piston rod of the telescopic cylinder 33 is detachably abutted against the clamping assembly 2, and the clamping assembly 2 is telescopically connected with the cylinder seat 34. Thus, the rotating disc is detachably fixed at the free end of the rotating cylinder 31, when the free end of the rotating cylinder 31 rotates, the rotating disc 32 rotates together with the rotating disc, the telescopic cylinder 33 and the clamping assembly 2 are simultaneously connected to the rotating disc through the cylinder seat 34, when compressed air is introduced, the piston rod of the telescopic cylinder 33 abuts against the clamping assembly 2 when extending downwards along the axis, the clamping assembly 2 is pushed against the air valve switch 41, then the rotating cylinder 31 introduces the compressed air to drive the clamping assembly 2 to rotate, so that the clamping assembly 2 drives the air valve switch 41 to rotate, after the airtightness detection is finished, the rotating cylinder 31 and the telescopic cylinder 33 stop introducing the compressed air in sequence, and the clamping assembly 2 drives the air valve switch 41 to rotate in reverse direction in sequence, Rising to reset.

Specifically, the cylinder block 34 may be detachably fixed to the rotary plate by a screw 341 passing through a through hole of the cylinder block 34. The fixed end of the telescopic cylinder 33 is provided with threads, the threads in the cylinder block 34 are matched with the threads, and the telescopic cylinder 33 is screwed into the cylinder block 34 and locked to prevent the telescopic cylinder 33 from slipping off during movement.

The utility model discloses a gas-cooker pneumatic valve automatic switch device please refer to in fig. 1 to fig. 9 relevant each picture, can also be on the basis of preceding technical scheme: drive assembly 3 is through roof 11 and stand 12 detachable be fixed in the top of flowing water platform 1, the detachable one end of stand 12 is fixed in one side of flowing water platform 1, the other end of stand 12 with one side of roof 11 is detachable fixed, roof 11 set up in the top of flowing water platform 1 corresponds position department, the detachable stiff end that is fixed in of drive assembly 3 on the roof 11. Like this, the bottom of stand 12 with the left side or the right side of flowing water platform 1 are detachable fixed, dodge out the back-and-forth movement direction that flowing water platform 1 carried, the left side or the right side of roof 11 with the top of stand 12 is detachable fixed, will roof 11 suspension in the top of flowing water platform 1, drive assembly 3 is detachable to be fixed in on the roof 11, is convenient for adjust drive assembly 3 with the position of centre gripping subassembly 2 guarantees first jack catch 22 with the initial positioning of second jack catch 23 is adapted to cooking utensils 4 are in the detection position of flowing water platform 1.

The above description is only for the description of several embodiments of the present invention, but the scope of the present invention should not be considered as falling within the scope of the present invention, in which all the equivalent changes or modifications or the equal-scale enlargement or reduction etc. according to the design spirit of the present invention are made.

Claims

1. The utility model provides a gas-cooker pneumatic valve automatic switch device which characterized in that: comprises a running water table (1), a clamping assembly (2) and a driving assembly (3) for driving the clamping assembly (2) to lift and rotate;

a stove (4) with an air valve switch (41) is arranged on the running water platform (1);

the fixed end of the driving component (3) is detachably fixed above the water flowing platform (1) and corresponds to a knob of the stove (4);

centre gripping subassembly (2) include centre gripping support (21), first jack catch (22) and second jack catch (23), centre gripping support (21) is detachable to be fixed in the free end of drive assembly (3), first jack catch (22) with second jack catch (23) position adjustable swivelling joint respectively in on centre gripping support (21), first jack catch (22) with second jack catch (23) meshing connection, air valve switch (41) centre gripping in first jack catch (22) with between second jack catch (23).

2. The automatic opening and closing device for the gas valve of the gas stove as claimed in claim 1, wherein: the clamping assembly (2) further comprises at least one group of adjusting pieces (24) used for adjusting the positions of the first clamping jaws (22) and the second clamping jaws (23), the adjusting pieces (24) are connected to the clamping support (21) in a sliding mode along the conveying direction of the water flowing platform (1), and the first clamping jaws (22) and the second clamping jaws (23) are connected to the adjusting pieces (24) in a rotating mode respectively.

3. The automatic opening and closing device for the gas valve of the gas stove as claimed in claim 2, wherein: adjusting part (24) are located including locating piece (241), positioning screw (242) and cover first spring (243) on positioning screw (242), positioning screw (242) set up in first jack catch (22) with two relative faces of second jack catch (23), positioning screw (242) pass centre gripping support (21) and with locating piece (241) threaded connection, first spring (243) set up in positioning screw (242) with between centre gripping support (21), locating piece (241) with centre gripping support (21) sliding connection, first jack catch (22) with second jack catch (23) rotary connection respectively in on locating piece (241).

4. The automatic opening and closing device for the gas valve of the gas stove as claimed in claim 3, wherein: the clamping support (21) is arranged on two opposite faces of the first clamping jaw (22) and the second clamping jaw (23) and is provided with a circular hole (211), and the positioning screw rod (242) penetrates through the circular hole (211) and is fixedly connected with the positioning block (241) in a threaded mode.

5. The automatic opening and closing device for the gas valve of the gas stove as claimed in claim 3, wherein: the clamping support (21) is provided with strip holes (212) on the other two opposite surfaces of the first clamping jaw (22) and the second clamping jaw (23), and the positioning block (241) is connected with the clamping support (21) in the strip holes (212) in a sliding mode.

6. The automatic opening and closing device for the gas valve of the gas stove as claimed in claim 3, wherein: a first rotating shaft (2411) and a second rotating shaft (2412) are detachably fixed on the positioning block (241), the first rotating shaft (2411) penetrates through the first clamping jaw (22), and the second rotating shaft (2412) penetrates through the second clamping jaw (23).

7. An automatic opening and closing device for a gas valve of a gas range according to any one of claims 1 to 6, wherein: the first clamping jaw (22) comprises a first cross rod (221) and a first clamping portion (222) which are integrally formed or fixed, the second clamping jaw (23) comprises a second cross rod (231) and a second clamping portion (232) which are integrally formed or fixed, the first cross rod (221) is respectively abutted to the second cross rod (231) and the air valve switch (41) in a releasable manner, the air valve switch (41) is clamped between the first clamping portion (222) and the second clamping portion (232), and the first clamping portion (222) and the second clamping portion (232) are respectively connected with the clamping support (21) in a rotating manner.

8. An automatic opening and closing device for a gas valve of a gas range according to any one of claims 1 to 6, wherein: centre gripping subassembly (2) still include connecting rod (25), second spring (26), gasket (27) and nut (28), the one end of connecting rod (25) with the output of drive assembly (3) is detachable fixed, the other end of connecting rod (25) overlaps in proper order and is equipped with second spring (26) gasket (27) with nut (28), connecting rod (25) are kept away from the one end of drive assembly (3) second spring (26) gasket (27) with nut (28) hold simultaneously in centre gripping support (21), second spring (26) are close to the one end of drive assembly (3) with centre gripping support (21) butt.

9. An automatic opening and closing device for a gas valve of a gas range according to any one of claims 1 to 6, wherein: the driving assembly (3) comprises a rotary cylinder (31), a rotary disk (32), a telescopic cylinder (33) and a cylinder seat (34), wherein the fixed end of the rotary cylinder (31) is detachably fixed above the water flowing platform (1), the rotary disk (32) is detachably fixed at the free end of the rotary cylinder (31), the cylinder seat (34) is detachably fixed with the rotary disk (32), the telescopic cylinder (33) is detachably fixed on the cylinder seat (34), a piston rod of the telescopic cylinder (33) is detachably abutted to the clamping assembly (2), and the clamping assembly (2) is telescopically connected with the cylinder seat (34).

10. An automatic opening and closing device for a gas valve of a gas range according to any one of claims 1 to 6, wherein: drive assembly (3) are detachably fixed in through roof (11) and stand (12) the top of flowing water platform (1), the one end of stand (12) is detachable to be fixed in one side of flowing water platform (1), the other end of stand (12) with one side of roof (11) is detachable fixed, roof (11) set up in the top of flowing water platform (1) corresponds position department, the stiff end of drive assembly (3) is detachable to be fixed in on roof (11).