CN220646879U - Gas valve - Google Patents

Abstract

The utility model discloses a gas valve, which comprises a valve body, wherein a rotatable valve core is arranged in a valve cavity of the valve body, and an air inlet channel and an air outlet channel are arranged on the valve body; the valve body is provided with a rotating shaft which moves up and down and rotates relative to the valve body, the rotating shaft moves downwards to be connected with the valve core, and the valve core rotates along with the rotating shaft to connect or disconnect the air inlet channel and the air outlet channel; the valve body is provided with the switch of striking sparks outward, is provided with the clamp plate in the pivot, and the clamp plate is provided with guide assembly along with pivot downward movement trigger switch of striking sparks between clamp plate and the valve body, and guide assembly contains guide post and the guiding hole of mutually supporting. According to the utility model, guiding is realized by utilizing the guiding component, the pressing plate moves downwards along with the rotating shaft to trigger the ignition switch, the igniter is turned on, then the valve core is driven to rotate through the rotation of the rotating shaft, the air inlet channel and the air outlet channel are communicated, the air inlet of the gas valve is realized, and the ignition is realized firstly and then the air inlet is realized, so that the ignition of the gas stove is realized, and the gas stove is safe and reliable.

Description

Gas valve

Technical Field

The utility model relates to the technical field of valves, in particular to a gas valve.

Background

The gas valve is a safe matching device for gas pipeline engineering, is used for cutting off, connecting and adjusting gas in a pipeline, and has good control characteristics and closing sealing performance. For the gas valve in the gas stove, in order to improve the safety of the gas valve, the rotary shaft of the gas valve is generally required to be pressed first, the igniter is turned on, then the rotary shaft of the gas valve is turned, and the gas channel is turned on to realize gas inlet, so that the ignition of the gas stove is realized.

The prior art lacks relevant guide components, and the switch of the igniter is difficult to guarantee to be triggered in percentage in the process of pressing the rotating shaft of the gas valve, so that the condition that gas is firstly introduced and then ignited is likely to occur, gas sprayed out of the gas valve is mixed with air and dispersed in a room, and explosion danger is likely to occur when open fire is encountered at the moment.

Moreover, the existing gas valve lacks a linkage switch, and only can open the igniter and realize the air inlet of the gas valve, so that the ignition of the gas stove is realized, the switching of other electric appliances in a kitchen, such as a kitchen ventilator and other devices, can not be realized, a user is required to manually switch on the switch of the kitchen ventilator, and the linkage performance is poor.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the gas valve, the guiding is realized by utilizing the guiding component, the pressing plate moves downwards along with the rotating shaft to trigger the ignition switch, the igniter is turned on, then the valve core is driven to rotate by rotating the rotating shaft, the valve core hole on the valve core is communicated with the air inlet channel and the air outlet channel, the air inlet of the gas valve is realized, and the ignition after the air inlet is realized by utilizing the downward movement and the rotation of the rotating shaft, so that the ignition of the gas stove is realized, and the gas valve is safe and reliable.

The utility model is realized by adopting the following technical scheme:

the gas valve comprises a valve body, a rotatable valve core is arranged in a valve cavity of the valve body, and an air inlet channel and an air outlet channel are arranged on the valve body; the valve body is provided with a rotating shaft which moves up and down and rotates relative to the valve body, the rotating shaft moves downwards to be connected with the valve core, and the valve core rotates along with the rotating shaft to connect or disconnect the air inlet channel and the air outlet channel; the valve body is provided with the switch of striking sparks outward, is provided with the clamp plate in the pivot, and the clamp plate is provided with guide assembly along with pivot downward movement trigger switch of striking sparks between clamp plate and the valve body, and guide assembly contains guide post and the guiding hole of mutually supporting.

Further, a guide post is arranged on the valve body, and a guide hole is arranged on the pressing plate; or, the valve body is provided with a guide hole, and the pressing plate is provided with a guide column.

Further, a mounting through hole matched with the rotating shaft is formed in the valve body, a mounting concave portion is formed in the upper portion of the valve core, the upper end of the rotating shaft extends out of the valve body, the lower end of the rotating shaft penetrates through the mounting through hole and is inserted into the mounting concave portion, a sliding groove is formed in the side wall of the mounting concave portion along the axial direction of the mounting concave portion, a shifting block matched with the sliding groove is arranged on the rotating shaft, the shifting block moves up and down along the sliding groove, and a reset spring is arranged between the rotating shaft and the valve core.

Further, the lower part of the valve core is provided with at least one valve core through hole.

Further, the linkage switch is arranged outside the valve body, the pressing sheet is arranged on the rotating shaft, and the pressing sheet triggers the linkage switch along with the rotation of the rotating shaft.

Further, the upper end of pivot from bottom to top is provided with first installation step, second installation step and third installation step in proper order, and the clamp plate cover is established in the pivot and is put on first installation step, and the card is equipped with first opening snap ring on the second installation step, and the card is equipped with the second opening snap ring on the third installation step, and the preforming cover is established in the pivot and is tightly clamped between first opening snap ring and second opening snap ring.

Further, the linkage switch comprises a second base, and a second contact is arranged on the side face of the second base.

Further, the linkage switch is connected with the smoke machine driving device.

Further, the ignition switch comprises a first base, a first contact is arranged at the top of the first base, an elastic piece is obliquely arranged above the first contact, one end of the elastic piece is connected with the first base, and the other end of the elastic piece is suspended.

Further, the ignition switch is connected with the igniter.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, guiding is realized by utilizing the guiding component, the pressing plate moves downwards along with the rotating shaft to trigger the ignition switch, the igniter is turned on, then the valve core is driven to rotate through the rotating shaft, the valve core through hole on the valve core is communicated with the air inlet channel and the air outlet channel, air inlet of the gas valve is realized, and ignition before air inlet is realized by utilizing two actions of downward movement and rotation of the rotating shaft, so that ignition of the gas stove is realized, and safety and reliability are realized.

2. The rotating shaft is provided with the pressing sheet, the pressing sheet rotates along with the rotating shaft and can trigger the linkage switch to open the smoke machine, so that the linkage of ignition of the gas stove and oil smoke suction of the smoke machine is realized.

3. According to the utility model, the rotating shaft is rotationally connected with the pressing plate by using the first mounting step, the second mounting step, the third mounting step, the first opening clamping ring and the second opening clamping ring which are arranged on the rotating shaft, the rotating shaft is fixedly connected with the pressing plate, the pressing plate can move up and down along with the rotating shaft but not rotate along with the rotating shaft, and the pressing plate moves up and down along with the rotating shaft and rotates along with the rotating shaft, so that the triggering of the pressing plate on the ignition switch and the triggering of the pressing plate on the linkage switch are realized.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic exploded view of the present utility model.

Fig. 3 is a schematic front view of the present utility model.

Fig. 4 is a schematic left-hand view of the present utility model.

Fig. 5 is a schematic top view of the present utility model.

FIG. 6 is a schematic cross-sectional view taken in the direction of FIG. 5A-A of the present utility model.

FIG. 7 is a schematic diagram of the connection between the rotary shaft and the valve core according to the present utility model.

Fig. 8 is a schematic view of a first view structure of the valve element of the present utility model.

FIG. 9 is a schematic view of a second view structure of the valve element of the present utility model.

In the figure:

1-valve body, 2-valve core, 3-inlet channel, 4-outlet channel, 5-rotating shaft, 6-ignition switch, 61-first pedestal, 62-first contact, 63-shrapnel, 7-pressing plate, 8-guiding component, 81-guiding column, 82-guiding hole, 9-mounting through hole, 10-mounting concave part, 11-chute, 12-shifting block, 13-reset spring, 14-valve core through hole, 15-linkage switch, 151-second pedestal, 152-second contact, 16-pressing plate, 17-first mounting step, 18-second mounting step, 19-third mounting step, 20-first snap ring, 21-second snap ring.

Detailed Description

The utility model will be further described with reference to the accompanying drawings and detailed description below:

in the description of the present utility model, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

The gas valve as shown in figures 1-9 comprises a valve body 1, wherein a rotatable valve core 2 is arranged in a valve cavity of the valve body 1, and an air inlet channel 3 and an air outlet channel 4 are arranged on the valve body 1; the valve body 1 is provided with a rotating shaft 5, the rotating shaft 5 moves up and down and rotates relative to the valve body 1, the rotating shaft 5 moves down to be connected with the valve core 2, and the valve core 2 rotates along with the rotating shaft 5 to connect or disconnect the air inlet channel 3 and the air outlet channel 4; the valve body 1 is provided with the switch of striking sparks 6 outward, is provided with clamp plate 7 on the pivot 5, and clamp plate 7 is along with pivot 5 downwardly moving trigger switch of striking sparks 6, is provided with guide assembly 8 between clamp plate 7 and the valve body 1, and guide assembly 8 contains guide post 81 and guiding hole 82 that mutually support.

Specifically, the valve cavity of the valve core 2 and the valve body 1 are in clearance fit, the clearance between the valve core 2 and the valve body 1 can be 0.008mm-0.012mm based on relative rotation but no air leakage, and the fit clearance is selected according to practical situations.

Based on the structure, the utility model realizes the guiding by utilizing the guiding component 8, the pressing plate 7 can trigger the ignition switch 6 to open the igniter in the downward movement process of the rotating shaft 5, then the gas valve is rotated by the rotating shaft 5 to realize the gas inlet, and the ignition of the gas stove is realized by utilizing the downward movement and the rotation of the rotating shaft 5, thereby being safe and reliable.

Specifically, be provided with the guide post 81 on the valve body 1, be provided with the guiding hole 82 on the clamp plate 7, utilize the cooperation of guide post 81 and guiding hole 82, realize that clamp plate 7 accurately triggers the ignition switch 6.

In other embodiments, the valve body 1 is provided with a guide hole 82, and the pressing plate 7 is provided with a guide post 81.

Preferably, the inner diameter of the guide hole 82 is adapted to the outer diameter of the guide post 81, and for some specific situations, for example, for assembly accuracy reasons, etc., the inner diameter of the guide hole 82 may be larger than the outer diameter of the guide post 81; when the inner diameter of the guide hole 82 is larger than the outer diameter of the guide post 81, the size of the pressing plate 7 and the size of the ignition switch 6 should ensure that the pressing plate 7 can still trigger the ignition switch 6 when the guide post 81 is located at the limit position of the guide hole 82.

Therefore, the arrangement positions of the guide posts 81 and the guide holes 82 can be determined according to the practical situation, and the arrangement positions do not affect the guiding function.

In the utility model, a mounting through hole 9 for matching with a rotating shaft 5 is arranged on a valve body 1, a mounting concave part 10 is arranged at the upper part of a valve core 2, the upper end of the rotating shaft 5 extends out of the valve body 1, the lower end of the rotating shaft 5 penetrates through the mounting through hole 9 and is inserted into the mounting concave part 10, a sliding groove 11 is arranged on the side wall of the mounting concave part 10 along the axial direction of the mounting concave part, a shifting block 12 matched with the sliding groove 11 is arranged on the rotating shaft 5, the shifting block 12 moves up and down along the sliding groove 11, and a reset spring 13 is arranged between the rotating shaft 5 and the valve core 2.

In the above structure, the connection and the guiding of the rotating shaft 5 and the valve core 2 can be realized by utilizing the matching of the sliding groove 11 and the shifting block 12, and the reset of the rotating shaft 5 can be realized by the reset spring 13.

Specifically, the stroke of the shifting block 12 is determined by the depth of the sliding groove 11, in this embodiment, the sliding groove 11 is a U-shaped groove, the shifting block 12 is limited by the top of the inner side of the valve cavity of the valve body 1, the lower limit position of the shifting block 12 is the lowest position of the sliding groove 11, and the upper limit position of the shifting block 12 is the top of the valve cavity of the valve body 1; in other embodiments, when the sliding chute 11 is a 0-slot, the lower limit position of the shifting block 12 is the lowest position of the sliding chute 11, and the upper limit position of the shifting block 12 may be the upper limit position of the sliding chute 11.

In the present utility model, the lower portion of the spool 2 is provided with at least one spool through hole 14.

When the valve core 2 rotates and at least one valve core through hole 14 is aligned with the air inlet channel 3, the gas is introduced, and the gas enters the air outlet channel 4 through the air inlet channel 3 and the valve core through hole 14, so that the gas is introduced.

In the utility model, a linkage switch 15 is arranged outside the valve body 1, a pressing sheet 16 is arranged on the rotating shaft 5, and the pressing sheet 16 triggers the linkage switch 15 along with the rotation of the rotating shaft 5.

It can be understood that the position of the valve core through hole 14 on the valve core 2 is adapted to the position of the linkage switch 15, and when the valve core 2 rotates to the position that the valve core through hole 14 is communicated with the air inlet channel 3 and the air outlet channel 4, the pressing piece 16 just can trigger the linkage switch 15.

In the utility model, a first mounting step 17, a second mounting step 18 and a third mounting step 19 are sequentially arranged at the upper end of a rotating shaft 5 from bottom to top, a pressing plate 7 is sleeved on the rotating shaft 5 and is arranged on the first mounting step 17, a first opening clamping ring 20 is clamped on the second mounting step 18, a second opening clamping ring 21 is clamped on the third mounting step 19, and a pressing plate 16 is sleeved on the rotating shaft 5 and is clamped between the first opening clamping ring 20 and the second opening clamping ring 21.

Specifically, the pressing plate 7 is in clearance fit with the rotating shaft 5, and the rotating shaft 5 can rotate relative to the pressing plate 7.

Based on the structure, the rotary shaft 5 is rotatably connected with the pressing plate 7 by using the first mounting step 17, the second mounting step 18, the third mounting step 19, the first opening clamping ring 20 and the second opening clamping ring 21 which are arranged on the rotary shaft 5, the rotary shaft 5 is fixedly connected with the pressing plate 16, the pressing plate 7 can move up and down along with the rotary shaft 5 but not rotate along with the rotary shaft 5, and the pressing plate 16 moves up and down along with the rotary shaft 5 and rotates along with the rotary shaft 5, so that the triggering of the ignition switch 6 by the pressing plate 7 and the triggering of the linkage switch 15 by the pressing plate 16 are realized.

In the present utility model, the interlock switch 15 includes a second housing 151, and a second contact 152 is provided on a side surface of the second housing 151.

In the present utility model, the interlock switch 15 is connected to the range hood driving device.

Based on the structure, the pressing sheet 16 is arranged on the rotating shaft 5, so that the gas valve can be used for air intake in the rotating process of the rotating shaft 5, the linkage switch 15 can be triggered, the smoke machine is opened, and the linkage of the ignition device for ignition, the gas valve for air intake and the oil smoke suction is further realized.

Specifically, the second contact 152 is an elastic telescopic contact, and when the pressing piece 16 is in contact with the second contact 152, the linkage switch 15 is turned on, so that the smoke machine is turned on to suck the smoke.

In the utility model, the ignition switch 6 comprises a first base 61, a first contact 62 is arranged at the top of the first base 61, a spring 63 is obliquely arranged above the first contact 62, one end of the spring 63 is connected with the first base 61, and the other end of the spring 63 is suspended.

In the present utility model, the ignition switch 6 is connected to an igniter.

Specifically, the first contact 62 is an elastic telescopic contact, when the pressing plate 7 is pressed on the hanging end of the elastic sheet 63, the elastic sheet 63 is contacted with the first contact 62, so that the ignition switch 6 is turned on, and the igniter is opened for ignition; the elastic sheet 63 can connect the pressing plate 7 and the first contact 62, so that the size of the pressing plate 7 can be reduced, and the size of the first contact 62 can also be reduced.

It will be apparent to those skilled in the art from this disclosure that various other changes and modifications can be made which are within the scope of the utility model as defined in the appended claims.

Claims (10)

1. A gas valve, characterized in that: the valve comprises a valve body (1), wherein a rotatable valve core (2) is arranged in a valve cavity of the valve body (1), and an air inlet channel (3) and an air outlet channel (4) are arranged on the valve body (1);

a rotating shaft (5) is arranged on the valve body (1), the rotating shaft (5) moves up and down and rotates relative to the valve body (1), the rotating shaft (5) moves downwards to be connected with the valve core (2), and the valve core (2) is rotationally connected with or disconnected from the air inlet channel (3) and the air outlet channel (4) along with the rotating shaft (5);

the fire-fighting valve is characterized in that a fire-striking switch (6) is arranged outside the valve body (1), a pressing plate (7) is arranged on the rotating shaft (5), the pressing plate (7) moves downwards along with the rotating shaft (5) to trigger the fire-striking switch (6), a guide assembly (8) is arranged between the pressing plate (7) and the valve body (1), and the guide assembly (8) comprises a guide column (81) and a guide hole (82) which are matched with each other.

2. The gas valve of claim 1, wherein: a guide column (81) is arranged on the valve body (1), and a guide hole (82) is arranged on the pressing plate (7);

or, a guide hole (82) is formed in the valve body (1), and a guide column (81) is formed in the pressing plate (7).

3. The gas valve of claim 1, wherein: be provided with on valve body (1) be used for with pivot (5) matched with installation through-hole (9), the upper portion of case (2) is provided with installation concave part (10), the upper end of pivot (5) stretches out valve body (1), the lower extreme of pivot (5) runs through installation through-hole (9) and inserts and establish in installation concave part (10), the lateral wall of installation concave part (10) is provided with spout (11) along its axial, be provided with on pivot (5) with spout (11) matched with shifting block (12), shifting block (12) are followed spout (11) up-and-down motion, be provided with reset spring (13) between pivot (5) with case (2).

4. A gas valve according to claim 3, characterized in that: at least one valve core through hole (14) is arranged at the lower part of the valve core (2).

5. The gas valve of claim 1, wherein: the valve body (1) is provided with a linkage switch (15) outside, the rotating shaft (5) is provided with a pressing sheet (16), and the pressing sheet (16) triggers the linkage switch (15) along with the rotation of the rotating shaft (5).

6. The gas valve of claim 5, wherein: the upper end of pivot (5) is provided with first installation step (17), second installation step (18) and third installation step (19) in proper order from the bottom up, clamp plate (7) cover is established pivot (5) are gone up and are arranged in on first installation step (17), the card is equipped with first open snap ring (20) on second installation step (18), the card is equipped with second open snap ring (21) on third installation step (19), preforming (16) cover are established pivot (5) are gone up and the chucking is in between first open snap ring (20) and second open snap ring (21).

7. The gas valve of claim 5, wherein: the linkage switch (15) comprises a second base body (151), and a second contact (152) is arranged on the side face of the second base body (151).

8. The gas valve of claim 5, wherein: the linkage switch (15) is connected with a smoke machine driving device.

9. The gas valve according to any one of claims 1-8, wherein: the ignition switch (6) comprises a first base body (61), a first contact (62) is arranged at the top of the first base body (61), an elastic sheet (63) is obliquely arranged above the first contact (62), one end of the elastic sheet (63) is connected with the first base body (61), and the other end of the elastic sheet (63) is suspended.

10. The gas valve according to any one of claims 1-8, wherein: the ignition switch (6) is connected with an igniter.