CN219102192U - Gear detection valve body and gas stove - Google Patents

Abstract

The utility model provides a gear detection valve body and a gas stove. The gear detection valve body comprises a chip, a valve rod and a valve cover, wherein the valve cover comprises a first end and a second end along the horizontal direction, the first end is used for the valve rod to penetrate, and the chip is embedded in the second end; the input end of the transmission assembly is connected with the valve rod, and the output end of the transmission assembly is configured to rotate along with the rotation of the valve rod; the output end is provided with a magnet which is correspondingly arranged below the chip. In the rotating process of the valve rod, the input end of the transmission assembly is driven to rotate, so that the output end rotates along with the rotation of the transmission assembly, and the magnet on the output end rotates along with the rotation of the transmission assembly and corresponds to the position of the chip; then utilize the chip to detect the intensity variation of magnet magnetic field to realize angle detection, the chip inlays the second end of establishing at the valve gap, thereby has solved in the use, thereby the chip receives the pollution and influences the problem of detecting the accuracy.

Description

Gear detection valve body and gas stove

Technical Field

The utility model relates to the field of gas cookers, in particular to a gear detection valve body and a gas cooker.

Background

The intelligent function of current cooking utensils is more and more, and current valve body ware detection method of cooking utensils that takes gear to detect adopts potentiometre, dial switch to detect knob rotation angle and position mostly, in addition, utilize two gears to realize that magnet and valve body rotate together, then utilize the chip to detect the intensity variation of magnet magnetic field to realize angle detection, because detect the valve body and can not accomplish totally sealed, and be many greasy dirt and water stain at the operational environment of cooking utensils, in long-time use, greasy dirt and water stain can slowly infiltrate in detecting the valve body, can lead to contacting failure and detect the inaccurate scheduling condition.

Disclosure of Invention

The utility model aims to overcome the defect that a gear detection valve body is easy to be polluted by oil stain in the prior art, and provides the gear detection valve body and a gas stove.

The utility model solves the technical problems by the following technical scheme:

the gear detection valve body comprises a chip, a valve rod and a valve cover, wherein the valve cover comprises a first end and a second end along the horizontal direction, the first end is used for the valve rod to penetrate, and the chip is embedded in the second end; the input end of the transmission assembly is connected with the valve rod, and the output end of the transmission assembly is configured to rotate along with the rotation of the valve rod; the output end is provided with a magnet which is correspondingly arranged below the chip.

In the scheme, the provided gear detection valve body comprises a valve cover and a valve rod, wherein the valve rod is arranged on the valve cover in a penetrating way, and in the rotating process of the valve rod, the input end of the transmission assembly is driven to rotate, so that the output end rotates along with the rotation of the transmission assembly, and the magnet on the output end rotates along with the rotation of the transmission assembly, and corresponds to the position of the chip; then utilize the chip to detect the intensity variation of magnet magnetic field to realize angle detection, the chip inlays the second end of establishing at the valve gap, thereby solved in the use, the chip receives the pollution and influences the problem of detecting the accuracy, and because the area that needs to cover is less, be unlikely to make whole gear detect the valve body volume too big influence installation use.

Preferably, the valve cover comprises a valve cover body at a first end and a housing assembly at a second end; the shell component comprises a protection part and a mounting part which are fixedly connected with each other, the protection part is connected to the valve cover body, the protection part is connected to the top of the mounting part and encloses a containing cavity with the top of the mounting part, and the chip is mounted in the containing cavity.

In the scheme, the valve cover is divided into two ends, one end of the valve cover body is used for the valve body to penetrate, the other end of the valve cover body is provided with a shell component, and the two ends of the valve cover body are connected with each other to form an integral valve cover; the installation department and the protection part of shell subassembly are connected around forming one and hold the chamber, and the chip is placed and can be protected the chip better in holding the chamber, guarantees the clean degree of chip in the use, avoids the chip to reduce its condition emergence that detects the precision because of receiving the pollution.

Preferably, the output end is provided with a groove on one side facing the chip, and the magnet is embedded in the groove.

In this scheme, with in the recess of magnet embedding output, on the one hand can fix the magnet in the position that can rotate along with the rotation of valve rod, on the other hand, when the magnet setting can guarantee that the magnet follows rotatory effect in the recess, can also reduce the influence of magnet self volume to the whole volume of gear detection valve body, for example if install the magnet at the surface of output then can increase the height of output. The magnet is towards the chip, so that the chip can rapidly and accurately detect the change of the magnetic field when the magnet rotates, and the angle change of the valve rod is detected.

Preferably, the transmission assembly comprises a first transmission gear positioned at the input end and a second transmission gear positioned at the output end, the first transmission gear is sleeved on the valve rod, and the first transmission gear is meshed with the second transmission gear; the second transmission gear is provided with a first boss on one side facing the chip, and the groove is arranged on the first boss; the magnet is embedded in the groove.

In this scheme, the first drive gear of input and the second drive gear intermeshing of output to when the valve rod is rotatory, drive first drive gear and rotate, thereby drive second drive gear and rotate, realize the transmission effect, further, set up magnet on second drive gear, when second drive gear is rotatory, magnet follows its certain angle of rotation, thereby change the magnetic field of magnet, the chip of being convenient for detects it.

Preferably, the gear detection valve body further comprises a fixed plate, and the first transmission gear and the second transmission gear are placed on the fixed plate; the fixed plate is provided with a fixed slot, the bottom of the second transmission gear is provided with a second boss, and the second boss is clamped in the fixed slot.

In this scheme, first drive gear and second transmission all are placed on the fixed plate, and both can rotate relative to the fixed plate, and second drive gear stretches into the fixed slot of fixed plate through its bellied boss downwards, and the second boss is as second drive gear to rotate for the fixed plate the axle simultaneously.

Preferably, a gap is formed between the side of the output end facing the chip and the case assembly.

In this scheme, be provided with the clearance between output and the shell subassembly, when guaranteeing the protection effect of shell subassembly to the output, can not produce the friction to the output to the influence leads to the rotation of output, and produces wearing and tearing loss to the output.

Preferably, the bottom of the mounting part is provided with a limiting part, and the limiting part is recessed inwards from the bottom of the mounting part; the first boss stretches into the limiting part, and a gap is formed between one side, facing the limiting part, of the first boss and the wall surface of the limiting part along the axis direction parallel to the valve rod.

In the scheme, the limiting part is positioned above the second transmission gear, meanwhile, the second transmission gear is provided with the first boss for installing the magnet, and the bottom of the installation part is provided with the inwards concave limiting part so as to facilitate the first boss to extend in; because of the existence of the gap between the first boss and the limiting part, the rotation of the second transmission gear is not hindered and friction loss is not generated.

Preferably, the length of the gap is in the range of 0.5-2mm in a direction parallel to the axis of the valve stem.

In this scheme, with the clearance length setting between first boss and the spacing portion between 0.5mm to 2mm, can enough guarantee that second drive gear can not receive frictional force and hinder its rotation, also can not influence the accuracy that the chip detected the magnetic field because of the too big distance between magnet and the chip simultaneously.

Preferably, the valve cover body is provided with a limit groove; the protection part is provided with a limit button; the limiting buckle is clamped in the limiting groove so that the shell component and the valve cover body are fixedly connected.

In this scheme, realize the valve gap body fixed with being connected of shell subassembly through mutually supporting between spacing groove and the spacing mouth, under the circumstances that does not influence valve gap overall structure and shell subassembly protection effect, be convenient for install and in the follow-up use, in time dismantle the shell subassembly to its spare part that decontaminates and change has the damage.

Preferably, the housing assembly further comprises a fixing groove and a connecting member; one of the fixing groove and the connecting piece is arranged on the protection part, and the other is arranged on the mounting part; the connecting piece stretches into the fixing groove so that the protection part and the installation part are connected and fixed.

In the scheme, the protection part and the installation part are connected and fixed through the cooperation between the fixing groove and the connecting piece; this kind of structure is convenient for install the chip to the interior suitable position of shell subassembly accurately, no matter offer the fixed slot on guard portion or installation department, all can guarantee guard portion upper surface and do not set up the opening to guarantee antifouling effect.

A gas stove comprises the gear detection valve body.

In this scheme, the gas-cooker is provided with the gear detection valve body in this scheme, because the gear detection valve body is provided with the shell subassembly and protects the chip magnet for detection to many greasy dirt and water stain in the operational environment of cooking utensils, in long-time use, avoided greasy dirt and water stain can slowly permeate into in chip and the magnet, also can lead to detecting situations such as precision reduction.

Preferably, the gas cooker further comprises a glass panel, and the top of the valve cover is attached to the bottom surface of the glass panel or a gap is formed between the top of the valve cover and the bottom surface of the glass panel.

In this scheme, laminating or leave the clearance between the bottom surface of valve gap and glass panel can ensure that gear detects under the glass panel of gas-cooker is installed smoothly to the valve body.

The utility model has the positive progress effects that:

the gear detection valve body comprises a chip, a valve rod and a valve cover, wherein the valve cover comprises a first end and a second end along the horizontal direction, the first end is used for the valve rod to penetrate, and the chip is embedded in the second end; the input end of the transmission assembly is connected with the valve rod, and the output end of the transmission assembly is configured to rotate along with the rotation of the valve rod; the output end is provided with a magnet which is correspondingly arranged below the chip. In the rotating process of the valve rod, the input end of the transmission assembly is driven to rotate, so that the output end rotates along with the rotation of the transmission assembly, and the magnet on the output end rotates along with the rotation of the transmission assembly and corresponds to the position of the chip; then utilize the chip to detect the intensity variation of magnet magnetic field to realize angle detection, the chip inlays the second end of establishing at the valve gap, thereby solved in the use, the chip receives the pollution and influences the problem of detecting the accuracy, and because the area that needs to cover is less, be unlikely to make whole gear detect the valve body volume too big influence installation use.

Drawings

FIG. 1 is a schematic view of a gear detection valve body according to an embodiment of the present utility model;

FIG. 2 is a schematic view of another angle structure of FIG. 1;

FIG. 3 is a schematic view of a valve cover body according to the present utility model;

FIG. 4 is a schematic view showing a part of the structure of the gear detecting valve body in the present embodiment;

FIG. 5 is a schematic view showing a part of the structure of the gear detecting valve body in the present embodiment;

FIG. 6 is a schematic view showing a part of the structure of the gear detecting valve body in the present embodiment;

FIG. 7 is a schematic view of a part of the structure of the housing assembly and a part of the transmission assembly according to the present embodiment;

FIG. 8 is a schematic view showing the internal structure of the case assembly in the present embodiment;

fig. 9 is a schematic view of a part of the structure of the case assembly in this embodiment.

Description of the reference numerals

1 gear detection valve body

11 chip

12 valve rod

13 valve cover

131 valve cover body

1311 limit groove

132 shell assembly

1321 guard

1322 mounting part

13221 limit part

13222 limit button

1324 connector

14 drive assembly

141 first transmission gear

142 second transmission gear

1421 first boss

1422 second boss

15 magnet

16 fixing plate

161 fixed groove

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and thus the present utility model is not limited to the scope of the described embodiments.

It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

Referring to fig. 1 to 9, the present utility model provides a gear detecting valve body 1, which includes a chip 1111, a valve rod 12 and a valve cover 13, wherein the valve cover 13 includes a first end and a second end along a horizontal direction, the first end is used for the valve rod 12 to penetrate, and the chip 1111 is embedded in the second end; and a transmission assembly 14, the transmission assembly 14 having an input coupled to the valve stem 12 and an output configured to rotate with rotation of the valve stem 12; the output end is provided with a magnet 15, and the magnet 15 is correspondingly arranged below the chip 1111.

In this embodiment, the gear detection valve body 1 provided includes a valve cover 13 and a valve rod 12, the valve rod 12 is arranged on the valve cover 13 in a penetrating manner, and in the rotation process of the valve rod 12, the input end of the transmission assembly 14 is driven to rotate, so that the output end rotates along with the rotation of the transmission assembly, the magnet 15 on the output end rotates along with the rotation of the transmission assembly, and the magnet 15 corresponds to the position of the chip 1111; then utilize chip 1111 to detect the intensity variation of magnet 15 magnetic field to realize angle detection, the chip 1111 inlays to be established at the second end of valve gap 13, has solved in the use, thereby the chip 1111 receives the pollution and influences the problem of detecting the accuracy, and because the area that needs to cover is less, is unlikely to make whole gear detection valve body 1 volume too big influence installation use.

As shown in fig. 3 and 9, the valve cover 13 includes a valve cover body 131 at a first end and a housing assembly 132 at a second end; the case assembly 132 includes a guard 1321 and a mounting portion 1322 that are connected and fixed to each other, the guard 1321 is connected to the valve cover body 131, the guard 1321 is connected to the top of the mounting portion 1322 and encloses a receiving cavity with the mounting portion, and the chip 1111 is mounted in the receiving cavity. The valve cover 13 is divided into two ends, one end is used for a valve cover body 131 penetrated by the valve body, the other end is a shell component 132, and the two ends are mutually connected to form an integral valve cover 13; the mounting portion 1322 of the shell component 132 is connected with the protecting portion 1321 to form a containing cavity, and the chip 1111 can be better protected by placing the chip 1111 in the containing cavity, so that the cleanliness degree of the chip 1111 in the use process is ensured, and the situation that the detection accuracy of the chip 1111 is reduced due to pollution is avoided.

As shown in fig. 5, the output end facing the chip 1111 has a recess in which the magnet 15 is embedded. The transmission assembly 14 comprises a first transmission gear 141 positioned at an input end and a second transmission gear 142 positioned at an output end, the first transmission gear 141 is sleeved on the valve rod 12, and the first transmission gear 141 and the second transmission gear 142 are meshed; the side of the second transmission gear 142 facing the chip 1111 is provided with a first boss 1421, and a groove is arranged on the first boss 1421; the magnet 15 is embedded in the groove. In some embodiments, the magnets 15 embedded in the grooves can be reinforced secondarily by sealant, so that the stability of the magnets 15 in the grooves is ensured.

The magnet 15 is embedded into the groove of the output end, on one hand, the magnet 15 can be fixed at a position capable of rotating along with the rotation of the valve rod 12, on the other hand, the magnet 15 is arranged in the groove, the effect of the magnet 15 on the whole volume of the gear detection valve body 1 can be reduced while the follow-up rotation effect of the magnet 15 can be guaranteed, in order to achieve a good waterproof effect, the groove is arranged to form a waterproof 'waterproof table', namely, the first boss 1421 of the second transmission gear 142 containing the magnet 15 can be higher than the meshing part of the second transmission gear 142 and the first transmission gear 141; for example, if the magnet 15 is mounted on the surface of the output end, the height of the output end is increased. The magnet 15 faces the chip 1111, so that the chip 1111 can detect the change of the magnetic field rapidly and accurately when the magnet 15 rotates, thereby detecting the angular change of the valve rod 12.

As shown in fig. 4, the first transmission gear 141 at the input end and the second transmission gear 142 at the output end are meshed with each other, so that when the valve rod 12 rotates, the first transmission gear 141 is driven to rotate, thereby driving the second transmission gear 142 to rotate, realizing a transmission effect, further, the magnet 15 is arranged on the second transmission gear 142, and when the second transmission gear 142 rotates, the magnet 15 follows the rotation of a certain angle, thereby changing the magnetic field of the magnet 15, and facilitating the detection of the chip 1111. In order to achieve magnetic induction of the magnet 15 and the sensor, further, the top of the mounting groove is opened, and the chip 1111 can obtain the rotation angle of the valve rod 12 by the detected change of the rotation angle of the magnet 15.

As shown in fig. 5, the gear position detecting valve body 1 further includes a fixed plate 16, and a first transmission gear 141 and a second transmission gear 142 are placed on the fixed plate 16; the fixing plate 16 is provided with a fixing groove 161, the bottom of the second transmission gear 142 is provided with a second boss 1422, and the second boss 1422 is clamped in the fixing groove 161. A gap is formed between the side of the output end facing the chip 1111 and the case assembly 132.

Specifically, as shown in fig. 8, a limiting part 13221 is provided at the bottom of the mounting part 1322, and the limiting part 13221 is recessed inward from the bottom of the mounting part 1322; the first boss 1421 extends into the limiting portion 13221, and a gap is formed between a side of the first boss 1421 facing the limiting portion 13221 and a wall surface of the limiting portion 13221 along a direction parallel to an axis of the valve rod 12.

The first transmission gear 141 and the second transmission gear are both disposed on the fixed plate 16, and both can rotate relative to the fixed plate 16, the second transmission gear 142 extends into the fixed slot 161 of the fixed plate 16 through a boss protruding downwards, and the second boss 1422 simultaneously serves as a shaft for rotating the second transmission gear 142 relative to the fixed plate 16. The clearance is provided between the output end and the shell component 132, and friction is not generated to the output end while the protection effect of the shell component 132 to the output end is ensured, so that the rotation of the output end is influenced, and abrasion loss is generated to the output end.

The limiting part 13221 is positioned above the second transmission gear 142, meanwhile, the second transmission gear 142 is provided with a first boss 1421 for installing the magnet 15, the bottom of the installing part 1322 is provided with an inwards concave limiting part 13221 so as to facilitate the first boss 1421 to extend in, and the structure can ensure that the height between the second transmission gear 142 and the shell component 132 is not increased due to the height of the boss 1421 for installing the magnet 15, the distance between the second transmission gear 142 and the shell component 132 is enlarged, the accuracy of detecting the chip 1111 is improved, and the volume of a detection valve body is prevented from being increased; the first boss 1421 and the limiting portion 13221 do not prevent the rotation of the second transmission gear 142 from being hindered or lost due to the clearance therebetween.

In some embodiments, the length of the gap is in the range of 0.5-2mm in a direction parallel to the axis of valve stem 12. The gap length between the first boss 1421 and the limiting part 13221 is set between 0.5mm and 2mm, so that the second transmission gear 142 is not blocked from rotating by friction force, and meanwhile, the accuracy of the chip 1111 on magnetic field detection is not affected due to overlarge distance between the magnet 15 and the chip 1111.

Specifically, in the present embodiment, the gap length between the first boss 1421 and the stopper 13221 is 1.25mm. In other alternative embodiments, the gap may be provided at any other value between 0.5-2mm.

As shown in fig. 1, 3 and 6, the cover body 131 is provided with a limit groove 1311; the protective part 1321 is provided with a limit button 13222; the limiting buckle 13222 is engaged in the limiting groove 1311, so that the shell assembly 132 is connected and fixed with the valve cover body 131. The valve cover body 131 and the shell component 132 are fixedly connected through the mutual cooperation between the limiting groove 1311 and the limiting opening, and the valve cover assembly 132 is convenient to install and timely dismount and clean the valve cover 13 and replace damaged parts in the subsequent use process under the condition that the integral structure of the valve cover and the protection effect of the shell component 132 are not affected. In some embodiments, the valve cover body 131 and the shell assembly 132 may also be connected by welding and fixing with sealing glue, so as to improve the stability and firmness of the overall structure of the valve cover 13.

As shown in fig. 5 to 9, the case assembly 132 further includes a fixing groove 161 and a connection member 1324; one of the fixing groove 161 and the connector 1324 is provided on the guard 1321, and the other is provided on the mounting portion 1322; the connection member 1324 extends into the fixing groove 161 so that the shielding portion 1321 is connected and fixed with the mounting portion 1322. The protection part 1321 and the mounting part 1322 are connected and fixed through the cooperation between the fixing groove 161 and the connecting piece 1324; such a structure facilitates the accurate mounting of the chip 1111 to a suitable position in the housing assembly 132, and whether the fixing groove 161 is provided on the shielding portion 1321 or the mounting portion 1322, it is ensured that the upper surface of the shielding portion 1321 is not provided with an opening, so as to ensure an anti-fouling effect. Specifically, in some embodiments, the bottom of the protecting portion 1321 is provided with a screw via hole, the other end is closed, that is, the top surface of the protecting portion 1321 is not penetrated, the mounting portion 1322 is provided with a through hole, and the screw penetrates through the through hole and then extends into the screw via hole, so that the protecting portion 1321 and the mounting portion 1322 are fixedly connected by reversely punching the screw, and meanwhile, the top surface flat layer is ensured to be still in a non-porous structure.

In some embodiments, part of the wire body needs to pass through the position of the shell component 132, in order to further ensure the protection effect of the shell component 132, an opening is provided on the shell component 132, and the opening is provided on the side wall or the bottom of the mounting portion 1322, so that the wire body can pass through, the harm of the reduced anti-fouling effect caused by the opening on the top surface of the protection portion 1321 is reasonably avoided, and meanwhile, the opening is set to one or more according to actual requirements.

The utility model provides a gas stove on the basis of a gear detection valve body 1, and the gas stove comprises the gear detection valve body 1.

In this embodiment, gear detection valve body 1 is provided with shell subassembly 132 and protects chip 1111 magnet 15 for detection to many greasy dirt and water stain in the operational environment of cooking utensils, in long-time use, avoided greasy dirt and water stain can slowly permeate into chip 1111 and magnet 15, also can lead to detecting conditions such as precision reduction. The gas range further comprises a glass panel, and the top of the valve cover 13 is attached to the bottom surface of the glass panel or is formed with a gap. The valve cover 13 is attached to the bottom surface of the glass panel or a gap is left between the valve cover and the bottom surface of the glass panel, so that the gear detection valve body 1 can be ensured to be smoothly installed under the glass panel of the gas stove.

While specific embodiments of the utility model have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and the scope of the utility model is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the principles and spirit of the utility model, but such changes and modifications fall within the scope of the utility model.

Claims (12)

1. A gear detection valve body, characterized in that it comprises:

a chip;

the valve rod and the valve cover comprise a first end and a second end along the horizontal direction, the first end is used for the valve rod to penetrate, and the chip is embedded in the second end; and

The input end of the transmission assembly is connected with the valve rod, and the output end of the transmission assembly is configured to rotate along with the rotation of the valve rod; the output end is provided with a magnet, and the magnet is correspondingly arranged below the chip.

2. The shift position sensing valve body of claim 1, wherein said valve cover includes a cover body at said first end and a housing assembly at said second end; the shell assembly comprises a protection part and a mounting part which are connected and fixed with each other, the protection part is connected with the valve cover body, the protection part is connected with the top of the mounting part and encloses a containing cavity with the top of the mounting part, and the chip is mounted in the containing cavity.

3. The shift position detecting valve body according to claim 2, wherein a side of said output end facing said chip has a recess, said magnet being embedded in said recess.

4. A gear detection valve body as set forth in claim 3 wherein said drive assembly includes a first drive gear at said input end and a second drive gear at said output end, said first drive gear being nested on said valve stem, said first drive gear and said second drive gear being meshed;

the second transmission gear is provided with a first boss on one side facing the chip, and the groove is formed in the first boss; the magnet is embedded in the groove.

5. The shift position detecting valve body according to claim 4, further comprising a fixed plate on which said first transmission gear and said second transmission gear are placed;

the fixed plate is provided with a fixed groove, a second boss is arranged at the bottom of the second transmission gear, and the second boss is clamped in the fixed groove.

6. The shift position sensing valve of claim 4, wherein a gap is formed between a side of said output end facing said chip and said housing assembly.

7. The shift position detecting valve body as claimed in claim 6, wherein,

the bottom of the mounting part is provided with a limiting part, and the limiting part is recessed inwards from the bottom of the mounting part;

the first boss stretches into the limiting part, and the gap is formed between one side, facing the limiting part, of the first boss and the wall surface of the limiting part along the axis direction parallel to the valve rod.

8. A gear position sensing valve body according to claim 7, wherein the gap has a length in the range of 0.5-2mm in a direction parallel to the axis of the valve stem.

9. The gear detection valve body according to claim 2, wherein the valve cover body is provided with a limit groove;

the protection part is provided with a limit buckle;

the limiting buckle is clamped in the limiting groove, so that the shell assembly is fixedly connected with the valve cover body.

10. The shift position sensing valve body of claim 2, wherein said housing assembly further comprises a securing slot and a connector; one of the fixing groove and the connecting piece is arranged on the protection part, and the other is arranged on the mounting part;

the connecting piece stretches into the fixing groove, so that the protection part is fixedly connected with the mounting part.

11. A gas range, characterized in that the gas range comprises a gear detection valve body according to any one of claims 1-10.

12. The gas range of claim 11, further comprising a glass panel, wherein a top of the valve cover is attached to or forms a gap with a bottom surface of the glass panel.

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