Gas switch lock

Abstract

The utility model discloses a fuel gas switch lock which comprises a first lock body, a second lock body and a contact mechanism, the second lock body is movably installed on the first lock body in a displacement mode in the first direction, an abutting portion is arranged on one side of the second lock body, and the contact mechanism movably locks or limits displacement of the second lock body. When the second lock body is located at the locking position, the abutting portion is arranged in a protruding mode relative to the first lock body, and the second lock body moves towards the first lock body to unlock the switch. The gas switch lock has the advantages of being easy to manufacture and assemble and convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model belongs to daily necessities field, more particularly to a kind of gas switch lock for locking or unlocking the key of gas stove. BACKGROUND

[0002] Gas stove is the household appliance using liquefied gas or natural gas for cooking, provides cooking fire through connecting natural gas or liquefied gas tank, usually through the rotation under the condition of pressing switch to start gas stove, realize the purpose of igniting gas stove. However, in family life, children may operate gas stove switch out of curiosity, which may cause gas stove to be operated to ignite, cause fire, scald and other personal injury, so it is necessary to lock gas stove switch to avoid children operation.

[0003] Chinese patent CN207262482U discloses a gas stove switch protection cover, by wrapping the key therein, to realize the purpose of locking and protecting gas stove switch. For example, Chinese patent CN115472456A discloses a structure for protecting gas stove switch, by rotating lifting to lock or unlock gas stove switch.

[0004] But the structure of these switch locks is complex, not conducive to manufacturing, and the use mode is not convenient to operate, so it needs to be improved to facilitate popularization and application. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of gas switch lock that is easy to manufacture and convenient to use.

[0006] To achieve the above purpose, the utility model adopts the following scheme:

[0007] A kind of gas switch lock, for being assembled to gas stove to lock or unlock the switch of gas stove;Including:

[0008] First lock body, for being fixed to gas stove;

[0009] Second lock body, along the first direction displacement movably installed on the first lock body, one side of the second lock body is equipped with resistance part;And,

[0010] Contact mechanism, the contact mechanism acts between the first lock body and the second lock body to lock or limit the displacement activity of the second lock body.

[0011] The first lock body and the second lock body are arranged in a nested manner; the second lock body is displaced along a first direction to form a locking position and an unlocking position; when the second lock body is in the locking position, the abutting portion is arranged protruding relative to the first lock body to block the switch from being pressed; the second lock body is displaced towards the first lock body to release the locking of the switch, and the displacement amount only needs to satisfy the requirement of allowing the switch to be pressed.

[0012] According to the gas switch lock, the contact mechanism comprises a first contact mechanism and a second contact mechanism arranged on the first lock body and the second lock body respectively, and the first contact mechanism and the second contact mechanism are engaged to lock the second lock body in the locking position.

[0013] According to any one of the gas switch lock, the first contact mechanism is formed by a first locking position arranged on the second lock body, and the first locking position is a locking hole, and a first limiting surface is arranged on one side of the locking hole. The second contact mechanism is formed by a first elastic sheet arranged on the first lock body, and a first tongue is arranged on the first elastic sheet, and a second limiting surface is arranged on one side of the first tongue, and the second limiting surface is abutted with the first limiting surface to lock the second lock body in the locking position.

[0014] According to any one of the gas switch lock, a first guide surface is arranged on the side of the first tongue opposite to the second limiting surface. A second locking position is further arranged on the second lock body, and the second locking position is close to the abutting portion relative to the first locking position. An operating mechanism is arranged on the second lock body, and the operating mechanism is formed by a second elastic sheet, and a second tongue is protruded on the inner wall of the second elastic sheet. The second lock body is formed by a first wall, a second wall and a third wall, and the two first walls are arranged opposite to each other with a spacing, and the second wall and the third wall are arranged on at least one end of the first wall with a spacing, and a first gap is formed between the second wall and the third wall, and the locking hole is arranged on the second wall, and the second elastic sheet is arranged on the third wall.

[0015] According to any one of the gas switch lock, the contact mechanism comprises a first contact mechanism and a second contact mechanism arranged on the first lock body and the second lock body respectively, and the first contact mechanism and the second contact mechanism are engaged to lock the second lock body in the locking position.

[0016] According to any one of the gas switch lock, the first contact mechanism is formed by a limiting recess arranged on the second lock body, and the limiting recess is arranged on at least one end of the second lock body, and a second guide surface is arranged on each side of the limiting recess; and the limiting recess has two and is arranged with a spacing.

[0017] According to the gas switch lock of any one of the above, the second contact mechanism is composed of a first elastic sheet arranged on the first lock body, and a limiting convex is arranged on the outer side of the first elastic sheet, and third guide surfaces are arranged on both sides of the limiting convex.

[0018] According to the gas switch lock of any one of the above, the first contact mechanism is composed of a lock tongue arranged movably in the second direction, and a lock column is arranged on the lock tongue.

[0019] According to the gas switch lock of any one of the above, the first lock body comprises a third main body, at least one end of the third main body is provided with a first lock hole, the lock tongue is arranged in the first lock hole, and an elastic piece is arranged between the lock tongue and the third main body.

[0020] According to the gas switch lock of any one of the above, the second lock body is provided with a second lock hole, and the key is movably arranged in the second lock hole.

[0021] According to the gas switch lock of any one of the above, the first contact mechanism is composed of a third tongue movably arranged on the first lock body in the second direction.

[0022] According to the gas switch lock of any one of the above, the fourth main body and the fifth main body are respectively provided with a tenon convex and a mortise concave arranged in the second direction, and an elastic piece is arranged between the fourth main body and the fifth main body.

[0023] According to the gas switch lock of any one of the above, the second lock body is a frame-shaped piece, the first lock body is arranged in the sliding hole of the second lock body.

[0024] According to the gas switch lock of any one of the above, the bottom surface of the first lock body is provided with a fixing surface.

[0025] According to the gas switch lock of any one of the above, the abutting part is composed of an inclined surface or a curved surface arranged on one side of the second lock body.

[0026] According to the gas switch lock of any one of the above, the gas switch lock is an elongated piece, and the size in the second direction is greater than the size in the first direction.

[0027] The gas switch lock has the following advantages:

[0028] 1. The gas switch lock is in a straight line reciprocating displacement mode, the operation is novel and convenient, and the switch is prevented from being pressed.

[0029] 2. The gas switch lock can also lock its displacement activity at the locking position, thereby remaining at the position to continuously and effectively lock the pressing action of the switch key, avoiding the operation of the gas stove by children, and avoiding fire and personal injury.

[0030] 3. The gas switch lock is compact in structure, easy to manufacture and assemble, and beautiful in shape, and is suitable for switch locking of pressing operation. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 is a top view structural schematic diagram of the gas switch lock of the first embodiment of the utility model, which is in a locking position / state;

[0032] Figure 2 is Figure 1 a bottom view structural schematic diagram of the first embodiment;

[0033] Figure 3 is Figure 1 a side view of the first embodiment;

[0034] Figure 4 is Figure 1 a structural exploded schematic diagram of the first embodiment;

[0035] Figure 5 is Figure 1 a structural schematic diagram of the first lock body in the first embodiment;

[0036] Figure 6 is Figure 1 a top view structural schematic diagram of the second lock body in the first embodiment;

[0037] Figure 7 is Figure 6 a bottom view structural schematic diagram of the second lock body;

[0038] Figure 8 is Figure 1 a top view structural schematic diagram of the gas switch lock of the first embodiment turning to an unlocking position / state;

[0039] Figure 9 is a structural exploded schematic diagram of the gas switch lock of the second embodiment of the utility model;

[0040] Figure 10 is a structural schematic diagram of the gas switch lock of the third embodiment of the utility model;

[0041] Figure 11 is Figure 10 a structural exploded schematic diagram of the third embodiment;

[0042] Figure 12 is a structural schematic view of the gas switch lock of the embodiment four of the utility model;

[0043] Figure 13 is Figure 12 is a structural exploded schematic view of the first lock body in the embodiment;

[0044] Figure 14 is Figure 12 is a structural schematic view of the second lock body in the embodiment.

[0045] wherein,

[0046] the first lock body 10, the second lock body 20, the contact mechanism 30, the first main body 21, the second main body 22, the button 23,

[0047] the first contact mechanism 31, the second contact mechanism 32, the operating mechanism 33, the abutting part 101, the fixed surface 102, the flat part 103,

[0048] the top wall 111, the side wall 112, the bottom wall 113, the guide groove 116, the guide block 117,

[0049] the third main body 121, the lock tongue 122, the first lock hole 123, the limiting hole 124, the limiting clamping block 125, the lock column 126,

[0050] the fourth main body 131, the fifth main body 132, the tenon convex 133, the mortise concave 134, the third tongue piece 135, the lock groove 136, the face plate 137, the bottom convex 138,

[0051] the sliding hole 201, the first wall 211, the second wall 212, the third wall 213, the first gap 214,

[0052] the second lock hole 230, the unlocking convex 231, the lock hole 232,

[0053] the first lock position 311, the first limiting surface 312, the second lock position 313, the first guide surface 314,

[0054] the limiting concave 315, the second guide surface 316, the limiting convex 317, the third guide surface 318,

[0055] the first elastic sheet 321, the second gap 322, the first tongue piece 323, the second limiting surface 324, the fourth guide surface 325,

[0056] the second elastic sheet 331, the second tongue piece 332, the third gap 333. DETAILED DESCRIPTION

[0057] A gas switch lock is used for being assembled to a gas stove to lock or unlock, comprising:

[0058] The first lock body 10 is used to fix it to the gas stove;

[0059] The second lock body 20 is movably mounted on the first lock body 10 along a first direction, and a contact portion 101 is provided on one side of the second lock body 20; and,

[0060] A contact mechanism 30 acts between the first lock body 10 and the second lock body 20 to lock or limit the displacement of the second lock body 20.

[0061] The first lock body 10 and the second lock body 20 are disposed together; the second lock body 20 is displaced along a first direction to form a locked position and an unlocked position. When the second lock body 20 is in the locked position, the abutting part protrudes relative to the first lock body 10, and the second lock body 20 moves toward the first lock body 10 to release the lock on the switch.

[0062] In some embodiments, the contact mechanism can lock the second lock body 20 in a locked position, forming a locked state, so that in the locked position (i.e., locked position), the second lock body 20 is locked to the pressing operation of the switch, so that the second lock body 20 cannot move relative to the first lock body 10 in a first direction. Of course, if necessary, the contact mechanism can also lock the displacement movement of the second lock body 20 in the unlocked state.

[0063] In other embodiments, the contact mechanism may be replaced by a limiting structure instead of a locking mechanism, that is, it is not completely locked, but only initially holds the second lock body 20, so that the limiting function of the contact mechanism can be broken when the user applies greater force.

[0064] Example 1

[0065] like Figures 1-8 As shown, a gas switch lock has a locked state and an unlocked state, such as... Figure 1 The diagram shows the locked state. In this state, the abutment 101 is extended relative to the first lock body 10, exposing the abutment 101 so that it can be mounted below the gas switch to prevent the gas switch from being pressed, thus locking the switch. Figure 8 The diagram shows the unlocked state. In this state, the first lock body 10 is in a retracted position relative to the second lock body 20 (achieved by the retraction of the abutment part 101 as the second lock body 20 retracts relative to the first lock body 10), allowing the abutment part 101 to move out from below the gas switch, thus allowing the gas switch to be pressed, i.e., allowing the gas switch to be used for ignition. In this embodiment, the side walls of the two lock bodies are flush in the unlocked state, as shown... Figure 8 As shown.

[0066] In the embodiment, the gas switch lock is in the shape of a cuboid as a whole, which is specifically composed of a first lock body 10 and a second lock body 20. The second lock body 20 is provided with a sliding hole 201 which is arranged through in the direction perpendicular to the fixing surface 102. The first lock body 10 is sleeved in the sliding hole 201, and the size of the first lock body 10 in the first direction (as shown) is smaller than the sliding hole 201 so that the second lock body 20 is arranged to reciprocally slide in the first direction after the first lock body 10 is fixed. Figure 1 The first lock body 10 is sleeved in the sliding hole 201, and the size of the first lock body 10 in the first direction (as shown) is smaller than the sliding hole 201 so that the second lock body 20 is arranged to reciprocally slide in the first direction after the first lock body 10 is fixed.

[0067] A contact mechanism 30 is arranged between the first lock body 10 and the second lock body 20. The contact mechanism 30 includes a first contact mechanism 31 arranged on the second lock body 20 and a second contact mechanism 32 arranged on the first lock body 10. The first contact mechanism 31 and the second contact mechanism 32 are engaged or separated so as to lock or unlock the displacement of the second lock body 20 in the first direction.

[0068] As shown in Figure 4 , 6 , the unlocking of the first contact mechanism 31 is driven by an operating mechanism 33 which is composed of a spring type locking member. The operating mechanism 33 includes a second spring 331. One end of the second spring 331 is connected to the second lock body 20, and the other end is vacant to form a spring with elasticity. The second spring 331 has a third gap 333 with the second lock body 20 so that the second spring 331 has elasticity. A second tongue 332 is arranged on the inner wall of the second end (i.e. the other end mentioned above) of the second spring 331.

[0069] As shown in Figure 5 , the second contact mechanism 32 is also composed of a spring type locking member. The second contact mechanism 32 includes a first spring 321. One end of the first spring 321 is connected to the first lock body 10, and the other end is vacant to form a spring with elasticity. The first spring 321 has a second gap 322 with the first lock body 10. A first tongue 323 is arranged on the outer wall of the second end (i.e. the other end mentioned above) of the first spring 321.

[0070] As shown in Figure 1 , 7 , the second lock body 20 includes a second direction (as shown Figure 1A first wall 211 is provided in the direction shown, and a second wall 212 and a third wall 213 are provided along the first direction. The second wall 212 and the third wall 213 are located at both ends of the first wall 211, and the second wall 212 and the third wall 213 are spaced apart to form a first gap 214 between them. The operating mechanism 33 is provided on the third wall 213. A first locking position 311 and a second locking position 313 are provided at intervals on the second wall 212. The first locking position 311 is used for the first tongue 323 to be assembled therein when it is in the locked state, and the second locking position 313 is used for the first tongue 323 to be assembled therein when it is in the unlocked state.

[0071] The first locking position 311 is a locking port, and a first limiting surface 312 is formed on one side wall of the locking port. The first limiting surface 312 is a plane. A second limiting surface 324 is provided on one side of the first tongue 323. The second limiting surface 324 is a plane. In the locked state, the second limiting surface 324 abuts against the first limiting surface 312 to restrict the relative displacement between the two.

[0072] The second locking position 313 has a first guide surface 314 on one side and a fourth guide surface 325 on the other side of the first tongue 323 (the side opposite to the second limiting surface 324). Both the first guide surface 314 and the fourth guide surface 325 are inclined surfaces that abut against each other to play a guiding role. Of course, the first guide surface 314 and the fourth guide surface 325 can also be curved surfaces, or only one of them can be an inclined surface or a curved surface, which can also play a guiding role (that is, an inclined surface or a curved surface and a plane also play a guiding role to each other).

[0073] like Figure 5 As shown, the first lock body 10 has a top wall 111, a side wall 112, and a bottom wall 113. The top wall 111 and the bottom wall 113 are parallel. The bottom surface of the bottom wall 113 is formed as a fixing surface 102 for fixing to the gas stove by adhesive. The side wall 112 connects the top wall 111 and the bottom wall 113, forming an integral first lock body 10. The second contact mechanism 32 is provided at the upper and lower ends of the side wall 112. The fixing surface 102 may have pre-set adhesive for peeling off the backing paper or be empty for adhesive installation.

[0074] like Figure 6 As shown, the second lock body 20 is composed of a first main body 21 and a second main body 22 arranged adjacently. The two main bodies are integrally formed. A sliding hole 201 is provided through the first main body 21. The sliding hole 201 is composed of two first walls 211 and two second walls 212 arranged opposite to each other. The second main body 22 is integrally formed on one side of the first main body 21.

[0075] The second body 22 has a bevel part and a flat part 103, wherein the bevel part is formed as the abutting part 101, so that the switch lock can be adapted to gas switches with different bottom surface heights, improving the adaptability of the switch lock.

[0076] The use of the gas switch lock of the present embodiment is as follows:

[0077] 1. The fixing surface 102 is glued and fixed to fix the switch lock to the gas stove at a proper position close to the switch, and for the convenience of installation and positioning, the switch lock can be adjusted to the unlocked state to position one side close to the switch of the gas stove, so as to facilitate the installation and positioning. After the glue is cured, the switch lock can be used, and the time is generally several hours to several days, which varies according to different glues. Of course, the pre-positioning and marking can also be performed without using the glue before installation, which is beneficial to adjust the installation position of the switch lock in the second direction, because the abutting part 101 is a bevel, so it is necessary to ensure that the installation position in the second direction allows the abutting part 101 to be inserted into the position below the switch when in the locked state.

[0078] 2. When it is necessary to lock the switch of the gas stove, force is applied to the second lock body 20 to displace it towards the switch, so that the abutting part 101 is displaced to the position below the switch, so that the switch cannot be pressed downward, achieving the purpose of locking the switch of the gas stove.

[0079] 3. When it is necessary to release the lock of the switch, the button 23 is operated first to release the displacement lock of the second lock body 20, and then force is applied to displace the second lock body 20 away from the switch in the first direction, so that the abutting part 101 moves out from below the switch, and the switch returns to the state of being freely pressed, i.e. the lock of the switch of the gas stove is released.

[0080] Therefore, the gas switch lock has the advantages of easy manufacturing and assembly, convenient installation process and use operation, etc.

[0081] In other embodiments, the contact mechanism 30 composed of the first contact mechanism 31 and the second contact mechanism 32, and the corresponding operation mechanism 33, can also be provided only at one end of the switch lock, i.e. only at one of the upper end or the lower end of the switch lock.

[0082] Embodiment Two

[0083] As Figure 9As shown, the contact mechanism 30 is changed from the locking mechanism of the first embodiment to a limiting mechanism, wherein the first contact mechanism 31 has a similar structure as the first contact mechanism 31 in the first embodiment, but the second limiting surface 324 is replaced by the third guide surface 318, and thus the limiting convex 317 is formed on the outer wall of the first contact mechanism 31, which is integrally formed on the spring sheet to form the first contact mechanism 31. In other words, the locking structure in the first embodiment is replaced by the limiting structure in the present embodiment.

[0084] In the present embodiment, the second lock body 20 is composed of two first walls 211 and two second walls 212 arranged oppositely, i.e. without the third wall 213. The inner wall of the second wall 212 is provided with two groups of limiting recesses 315 at intervals, each group of limiting recesses 315 has two and is arranged at the two ends of the second lock body 20, and the left and right sides of each limiting recess 315 are respectively provided with the second guide surface 316 for guiding.

[0085] Therefore, the gas switch lock in the present embodiment does not need to be operated to unlock the contact mechanism 30 first and then move the second lock body 20 as in the first embodiment, but only needs to move the second lock body 20 to switch the gas switch lock between the locked state and the unlocked state. This is because the two sides of the limiting convex 317 are guide surfaces, so that the working state of the switch lock can be switched after the force exceeds the preset force.

[0086] Embodiment Three

[0087] As shown, the gas switch lock body of the present embodiment is similar to the first embodiment, and the difference lies in the structure change of the contact mechanism 30, which is replaced by the spring sheet type contact mechanism in the first embodiment to the latch type contact mechanism. Figures 10-11

[0088] In the present embodiment, the first lock body 10 includes a third main body 121 and a latch 122 arranged at the upper and lower ends of the third main body 121, a first lock hole 123 is arranged at the upper and lower ends of the third main body 121, limiting holes 124 are arranged at the two sides of the first lock hole 123, limiting clamping blocks 125 are arranged at the two sides of the latch 122, a spring acts between the latch 122 and the bottom wall of the first lock hole 123 to keep the latch 122 in an extending trend, the limiting clamping blocks 125 are clamped in the limiting holes 124, and a lock column 126 is protrudingly arranged on the outer end surface of the latch 122.

[0089] ​A second lock hole 230 is provided at both ends of the second lock body 20. A lock hole 232 is provided on the bottom wall of the second lock hole 230. A button 23 is installed in the second lock hole 230, and an unlocking protrusion 231 is provided on the inner end face of the button 23. In the locked state, the locking pin 126 is installed in the lock hole 232 to lock the displacement of the second lock body 20. When unlocking is required, the button 23 is pressed to make the unlocking protrusion 231 abut against the locking pin 126 and disengage it from the lock hole 232, thereby unlocking and allowing the second lock body 20 to move.

[0090] In addition, a guide groove 116 is provided on the second lock body 20, and a guide block 117 is provided on the first lock body 10 to guide the displacement of the second lock body 20 relative to the first lock body 10 in the first direction, thereby compensating for the insufficient guidance caused by the lock tongue 122 provided at the upper and lower ends of the first lock body 10 in this embodiment.

[0091] Example 4

[0092] like Figures 12-14 As shown, in this embodiment, the gas switch lock is changed to a sliding unlocking mechanism.

[0093] In this embodiment, the first lock body 10 is generally movable relative to the second lock body 20 along the first direction. The first lock body 10 is further composed of a fourth body 131 and a fifth body 132. The fourth body 131 is movable relative to the fifth body 132 along the second direction, so that the second lock body 20 can be locked or unlocked by the displacement of the fourth body 131 along the second direction.

[0094] like Figure 13 As shown, a tenon 133 is provided below the fourth body 131 along the second direction, and a mortise 134 is provided on the fifth body 132 along the second direction. The tenon 133 and the mortise 134 have an inverted T-shaped cross section to form a tenon-mortise connection so that the fourth body 131 cannot come out upward. The panel 137 and the bottom protrusion 138 limit the second lock body 20 within them.

[0095] Similar to Embodiment 2, in this embodiment, the second lock body 20 is composed of two first walls 211 and two second walls 212 arranged opposite to each other, that is, it does not have a third wall 213. One end of the tenon 133 is provided with a third tongue 135, and one end of the sliding hole 201 is provided with a corresponding lock groove 136.

[0096] In this embodiment, the third tongue 135 and the lock groove 136 are located at the upper end of the gas switch lock. The user can operate the panel 137 to move towards the lower end of the switch lock in the second direction. The third tongue 135 disengages from the lock groove 136, and the lock between the first lock body 10 and the second lock body 20 is released. The second lock body 20 can move in the first direction so that the contact part 101 moves out from below the switch, that is, the gas switch lock is unlocked.

Claims

1. A gas switch lock for fitting to a gas hob to lock or unlock the switch; characterized in that, The utility model relates to a lock mechanism for gas stove, comprising: a first lock body (10) for fixing to the gas stove; a second lock body (20) movably mounted on the first lock body (10) along a first direction, one side of the second lock body (20) being provided with a contact portion (101); and a contact mechanism (30) acting between the first lock body (10) and the second lock body (20) to lock or limit the movement of the second lock body (20). The first lock body (10) and the second lock body (20) are arranged in a nested manner, and the second lock body (20) is movably formed in a locking position and an unlocking position along the first direction, the contact portion (101) being protruded relative to the first lock body (10) when the second lock body (20) is in the locking position, and the second lock body (20) is displaced towards the first lock body (10) to release the locking of the switch.

2. Gas switch lock according to claim 1, characterized in that The contact mechanism (30) comprises a first contact mechanism (31) and a second contact mechanism (32) arranged on the first lock body (10) and the second lock body (20) respectively, the first contact mechanism (31) and the second contact mechanism (32) being engaged to lock the second lock body (20) in the locking position.

3. A gas switch lock according to claim 2, characterised in that, The first contact mechanism (31) is composed of a first locking position (311) arranged on the second lock body (20), the first locking position (311) being a locking hole, one side of the locking hole being provided with a first limiting surface (312); The second contact mechanism (32) is composed of a first elastic sheet (321) arranged on the first lock body (10), the first elastic sheet (321) being provided with a first tongue piece (323), one side of the first tongue piece (323) being provided with a second limiting surface (324), the second limiting surface (324) being in contact with the first limiting surface (312) to lock the second lock body (20) in the locking position.

4. A gas switch lock according to claim 3, characterised in that, The side of the first tongue piece (323) opposite to the second limiting surface (324) is provided with a fourth guide surface (325), and the second lock body (20) is further provided with a second locking position (313) close to the contact portion (101) relative to the first locking position (311); The second lock body (20) is provided with an operating mechanism (33), the operating mechanism (33) being composed of a second elastic sheet (331), the inner wall of the second elastic sheet (331) being protruded with a second tongue piece (332); the second lock body (20) is composed of a first wall (211), a second wall (212) and a third wall (213), the two first walls (211) being oppositely arranged at intervals, the second wall (212) and the third wall (213) being arranged at at least one end of the first wall (211) at intervals, a first gap (214) being formed between the second wall (212) and the third wall (213), the locking hole being arranged on the second wall (212), and the second elastic sheet (331) being arranged on the third wall (213).

5. The gas switch lock of claim 1, wherein, The contact mechanism (30) comprises a first contact mechanism (31) and a second contact mechanism (32) arranged on the first lock body (10) and the second lock body (20) respectively, and the first contact mechanism (31) and the second contact mechanism (32) are engaged to limit the second lock body (20) in a locking position.

6. A gas switch lock according to claim 5, characterised in that, The first contact mechanism (31) is formed by a limiting recess (315) arranged on the second lock body (20), the limiting recess (315) is arranged at least at one end of the second lock body (20), and second guide surfaces (316) are arranged at both sides of the limiting recess (315); the limiting recess (315) has two limiting recesses (315) arranged at intervals. The second contact mechanism (32) is formed by a first elastic sheet (321) arranged on the first lock body (10), and a limiting convex (317) is arranged on the outer side of the first elastic sheet (321), and third guide surfaces (318) are arranged at both sides of the limiting convex (317).

7. The gas switch lock of claim 2, wherein, The first contact mechanism (31) is formed by a lock tongue (122) arranged movably in a second direction, and a lock column (126) is arranged protruding on the lock tongue (122); The second contact mechanism (32) is formed by a lock hole (232) arranged on the second lock body (20), and a movable key (23) is further arranged on the second lock body (20), and an unlocking convex (231) is arranged on the key (23).

8. A gas switch lock according to claim 7, characterised in that, The first lock body (10) comprises a third main body (121), at least one end of the third main body (121) is provided with a first lock hole (123), the lock tongue (122) is installed in the first lock hole (123), and an elastic member is arranged between the lock tongue (122) and the third main body (121); a second lock hole (230) is arranged on the second lock body (20), and the movable key (23) is movably installed in the second lock hole (230).

9. The gas switch lock of claim 2, wherein, The first contact mechanism (31) is formed by a third tongue member (135) movably arranged in a second direction on the first lock body (10); the first lock body (10) comprises a fourth main body (131) and a fifth main body (132), the fifth main body (132) is movably installed in a sliding hole (201) of the second lock body (20) in a first direction, and the fourth main body (131) is movably arranged in a second direction; The second contact mechanism (32) is formed by a lock slot (136) arranged on the second lock body (20); the lock slot (136) is arranged at one end of the sliding hole (201), and the third tongue member (135) is arranged at one end of the fourth main body (131).

10. A gas switch lock according to claim 9, characterised in that, The fourth main body (131) and the fifth main body (132) are respectively provided with a tenon convex (133) and a mortise recess (134) arranged in a second direction, and an elastic member is arranged between the fourth main body (131) and the fifth main body (132).

11. A gas switch lock according to claim 4, 6, 8 or 10, characterised in that, The second lock body (20) is a frame-shaped member, and a sliding hole (201) is arranged through the frame-shaped member, and the first lock body (10) is installed in the sliding hole (201); A fixing surface (102) is arranged on the bottom surface of the first lock body (10); The abutment part (101) is composed of a slope or curved surface arranged on one side of the second lock body (20); The gas switch lock is an elongated member, and the size of the gas switch lock in the second direction is greater than the size of the gas switch lock in the first direction.

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