Buckle

Abstract

The utility model provides a buckle which comprises a clamping plate, an opening groove is formed in the clamping plate, grooves are formed in the two side walls of the opening groove, an elastic piece integrally arranged with the clamping plate is arranged in the opening groove, the elastic piece comprises an elastic rib connected with the clamping plate, a connecting part and a shifting tongue, a receding opening is formed in the end of the clamping plate, and the elastic rib is connected with the connecting part. The shifting tongue penetrates through the receding opening, the shifting tongue can move back and forth towards the connecting part through the elastic force of the elastic rib, a clamping block is arranged at the end, opposite to the receding opening, of the clamping plate, a first limiting part is arranged at the bottom of the shifting tongue, and a second limiting part is arranged at the end, opposite to the first limiting part, of the bottom of the clamping plate. The device is convenient to produce, high in production efficiency and capable of reducing manual labor and further reducing the production cost.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical appliance accessories, and particularly relates to a buckle. Background Art

[0002] The existing application number is: CN201910928608.3, and the patent name is "A Buckle Mechanism of a Circuit Breaker". It discloses "A buckle mechanism of a circuit breaker, including a base and a clamping plate. The characteristics are as follows: a boss is provided on one side of the base, a clamping block is provided above the boss on the base, slide rails are provided on both sides of the clamping block, a clamping groove with an opening towards the clamping block is provided between the boss and the base, a sliding groove adapted to the slide rails is provided on the clamping plate, an elastic member is provided on the clamping plate, the elastic member includes a tail spring plate, a connecting part, elastic ribs and a movable clamping plate, a positioning post is provided inside the sliding groove on the clamping plate, a locking groove adapted to the positioning post is provided on the connecting part, a column abutting against the clamping plate is provided at the bottom of the connecting part, an elastic interval is formed between the tail spring plate and the bottom of the clamping plate through the top column, a through hole adapted to the clamping block is provided on the tail spring plate, the connection part between the tail spring plate and the connecting part is in a downwardly curved arc shape, two elastic ribs are symmetrically provided, namely a first elastic rib and a second elastic rib, the first elastic rib and the second elastic rib are correspondingly distributed to form a neck opening with an inward contraction in the middle and flared openings with outward bends at both ends. The flared openings at both ends are respectively a first flared opening connected to the connecting part and a second flared opening connected to the movable clamping plate. The movable clamping plate can reciprocally slide towards the connecting part through the elastic force of the elastic ribs. A slideway adapted to the clamping block is provided on the elastic member, the slideway is opened from the end of the movable clamping plate to one side of the through hole, and a convex block inclined upwards in the direction of the clamping block sliding in is provided above the second flared opening on the slideway." Its elastic member and the clamping plate are separately arranged, resulting in the need for two sets of molds during the production of the buckle and the need for manual assembly of two components, thereby making the production cost of the existing buckle high and the production efficiency low. Content of the Utility Model

[0003] Based on the above problems, the purpose of the utility model is to provide a buckle that is convenient for production, has high production efficiency and can reduce manual labor.

[0004] In view of the above problems, the following technical solutions are provided: a buckle comprises a card plate, an open groove is formed on the card plate, grooves are formed on both side walls of the open groove, an elastic member integrally provided with the card plate is provided in the open groove, the elastic member comprises an elastic rib connected to the card plate, a connecting portion and a lever tongue, a yield opening is formed at the end of the card plate, the lever tongue is arranged to pass through the yield opening, the lever tongue can be moved back and forth toward the connecting portion by the elastic force of the elastic rib, a clamping block is provided at one end of the card plate opposite to the yield opening, a first limiting portion is provided at the bottom of the lever tongue, and a second limiting portion is provided at the end of the bottom of the card plate opposite to the first limiting portion.

[0005] In the above structure, by setting the elastic member and the card plate in an integrated manner, it is convenient for the manufacturer to produce through one mold, and no manual assembly is required, which improves the production efficiency of the utility model and reduces the production cost. The utility model is slidably connected to the circuit breaker body through the groove, and the second limiting part is engaged with the card slot or block on the circuit breaker body to prevent the buckle from coming out. After the circuit breaker body is installed on the slide rail in the meter box, the buckle is pushed to the card block to be clamped on the slide rail, and the first limiting part is engaged with the card slot or block on the circuit breaker body to prevent the buckle from being displaced, so that the circuit breaker body is connected to the slide rail through the buckle. When the circuit breaker body needs to be removed, the first limiting part and the card slot or block on the circuit breaker body can be released by reversely toggling the tongue relative to the slide rail, and then the buckle is pulled, so that the buckle slides to the position where the second limiting part and the card slot or block on the circuit breaker body are limited, and then the circuit breaker body can be removed from the slide rail. The first limiting part and the second limiting part are provided to facilitate the assembly and disassembly of the circuit breaker body on the slide rail. The opening is provided to facilitate the user to move the tongue, thereby improving the convenience of operation of the utility model.

[0006] The utility model is further configured such that two elastic ribs are symmetrically arranged, namely the first elastic rib and the second elastic rib, the first elastic rib and the second elastic rib are correspondingly distributed to form a neck opening that contracts inwardly in the middle, and flared openings that bend outwardly at both ends, the flared openings at the two ends are respectively the first flared opening and the second flared opening, the first flared opening is open and connected to the clamping plate, and the second flared opening is connected to the connecting portion and cooperates to form a closed opening.

[0007] In the above structure, the neck formed by the combination of the first elastic rib and the second elastic rib and the first flared opening and the second flared opening can increase the elastic range of the elastic rib and avoid the breakage of the elastic rib, so that the utility model can be easily connected to the slide rail. When the circuit breaker body swings left and right, the elastic rib is forced to contract and the first limiting part can avoid being disengaged from the slot or block on the circuit breaker body, making it impossible to limit the position. This improves the stability of the utility model installed on the circuit breaker body, and further improves the reliability of the circuit breaker body installed on the slide rail.

[0008] The utility model is further configured such that the first limiting portion is a convex block protruding toward the circuit breaker body or a limiting groove concave relative to the circuit breaker body.

[0009] The above structure can facilitate the position-limiting cooperation between the utility model and the card slot or the stopper on the circuit breaker body.

[0010] The utility model is further configured such that the second limiting portion adopts a limiting block protruding toward the circuit breaker body.

[0011] By adopting the above structure, the utility model can achieve position-limiting cooperation with the clamping groove or the stopper on the circuit breaker body through the position-limiting block.

[0012] The utility model is further configured such that the connecting portion is in an arc shape that is convex upward relative to the first limiting portion or in a plate shape that is concave relative to one side of the first limiting portion.

[0013] The above structure can facilitate the user to move the tongue, and an elastic space for displacement of the tongue is provided, thereby improving the convenience of operation of the utility model.

[0014] The utility model is further configured that a toggle groove is provided on one side of the toggle tongue facing the circuit breaker body.

[0015] The above structure can improve the comfort level of the user in moving the tongue.

[0016] The utility model is further configured such that the clearance opening is opened toward one end of the circuit breaker body.

[0017] The above structure can facilitate the production of the utility model, thereby improving the production efficiency of the utility model.

[0018] The utility model is further configured that a slot connected to the groove is provided on one end of the card plate opposite to the tongue.

[0019] The above structure can facilitate demoulding of the utility model during production, so that the groove does not need secondary processing, thereby improving the production efficiency of the utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the first embodiment of the utility model installed on the circuit breaker body.

[0021] Figure 2 It is a schematic diagram of the structure of the first embodiment of the utility model separated from the circuit breaker body.

[0022] Figure 3 It is a schematic structural diagram of the first embodiment of the utility model.

[0023] Figure 4 It is a schematic cross-sectional structural diagram of the first embodiment of the utility model.

[0024] Figure 5 It is a schematic diagram of the structure of the second embodiment of the utility model separated from the circuit breaker body.

[0025] Figure 6 It is a structural schematic diagram of the second embodiment of the utility model.

[0026] Figure 7 It is a schematic cross-sectional structural diagram of the first embodiment of the utility model.

[0027] The meanings of the numbers in the figure are as follows: 1-card plate; 11-opening slot; 12-groove; 2-elastic member; 21-connecting portion; 22-tongue; 13-giving opening; 23-first elastic rib; 24-second elastic rib; 25-neck; 26-first flared opening; 27-second flared opening; 14-card block; 221-first limiting portion; 15-second limiting portion; 222-sliding slot; 16-slot slot; 01-circuit breaker body; 02-block; 03-card slot. DETAILED DESCRIPTION

[0028] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0029] It should be noted that all directional indications (such as up, down, left, right, front, back, back...) in the embodiments of the utility model are only used to explain the relative position relationship and movement of the components under a certain posture (as shown in the attached figure). If the specific posture changes, the directional indication will also change accordingly. The embodiments of the utility model are described with the circuit breaker as the carrier, but are not limited to the circuit breaker, and can also be applied to electrical products such as disconnectors and leakage protectors.

[0030] like Figures 1 to 7A buckle as shown includes a clamping plate 1. An opening groove 11 is formed on the clamping plate 1. Grooves 12 are formed on both side walls of the opening groove 11. An elastic member 2 integrally provided with the clamping plate 1 is arranged in the opening groove 11. The elastic member 2 includes elastic rib strips connected to the clamping plate 1, a connecting portion 21 and a tongue 22. A relief opening 13 is formed at the end of the clamping plate 1. The tongue 22 is arranged through the relief opening 13. Two elastic rib strips are symmetrically arranged, namely a first elastic rib strip 23 and a second elastic rib strip 24. The first elastic rib strip 23 and the second elastic rib strip 24 are correspondingly distributed to form a neck opening 25 with an inward contraction in the middle and flared openings bent outward at both ends. The flared openings at both ends are respectively a first flared opening 26 and a second flared opening 27. The first flared opening 26 is in an open shape and connected to the clamping plate 1. The second flared opening 27 is connected and matched with the connecting portion 21 to form a closed mouth. The tongue 22 can reciprocate towards the connecting portion 21 through the elastic force of the elastic rib strips. A clamping block 14 is arranged at one end of the clamping plate 1 opposite to the relief opening 13. A first limiting portion 221 is arranged at the bottom of the tongue 22. A second limiting portion 15 is arranged at one end of the bottom of the clamping plate 1 opposite to the first limiting portion 221.

[0031] In the above structure, the present utility model is slidably connected to the circuit breaker body 01 through the groove 12, and is clamped and limitedly cooperated with the clamping groove 03 or the stopper 02 on the circuit breaker body 01 through the second limiting portion 15 to prevent the buckle from coming off. After the circuit breaker body 01 is installed on the slide rail in the meter box, the buckle is pushed until the clamping block 14 is clamped on the slide rail. The first limiting portion 221 is clamped and limitedly cooperated with the clamping groove 03 or the stopper 02 on the circuit breaker body 01 to avoid the displacement of the buckle, so that the circuit breaker body 01 is clamped on the slide rail through the buckle. When the circuit breaker body 01 needs to be removed, the tongue 22 is reversely toggled relative to the slide rail to release the limit between the first limiting portion 221 and the clamping groove 03 or the stopper 02 on the circuit breaker body 01, and then the buckle is pulled to make the buckle slide to the position where the second limiting portion 15 is limited with the clamping groove 03 or the stopper 02 on the circuit breaker body 01, so that the circuit breaker body 01 can be removed from the slide rail. By providing the first limiting portion 221 and the second limiting portion 15, it is convenient for the disassembly and assembly of the circuit breaker body 01 on the slide rail. By integrally arranging the elastic member 2 and the clamping plate 1, it is convenient for the manufacturer to produce through one mold and does not require manual assembly, improving the production efficiency of the present utility model and reducing the production cost. The neck opening 25 formed by the combination of the first elastic rib 23 and the second elastic rib 24, as well as the first flared opening 26 and the second flared opening 27, can increase the elastic range of the elastic rib, avoid the breakage of the elastic rib, and facilitate the clamping of the present utility model on the slide rail. When the circuit breaker body 01 swings left and right, the first limiting portion 221 can be prevented from being disengaged from the clamping groove 03 or the stopper 02 on the circuit breaker body 01 due to the contraction of the elastic rib under force, improving the stability of the present utility model installed on the circuit breaker body 01 and further improving the reliability of the circuit breaker body 01 installed on the slide rail. By providing the relief opening 13, it is convenient for the user to toggle the tongue 22, improving the operation convenience of the present utility model.

[0032] Reference Figures 1 to 4 As shown, in the first embodiment, the first limiting portion 221 adopts a limiting groove concave relative to the circuit breaker body 01; Reference Figures 5 to 7 As shown, in the second embodiment, the first limiting portion 221 adopts a convex block protruding towards the circuit breaker body 01.

[0033] Adopting the above structure can facilitate the limiting cooperation between the present utility model and the clamping groove 03 or the stopper 02 on the circuit breaker body 01.

[0034] As Figures 1 to 7 shown, in both embodiments, the second limiting portion 15 adopts a limiting block protruding towards the circuit breaker body 01.

[0035] Adopting the above structure can enable the present utility model to be limitedly cooperated with the clamping groove 03 or the stopper 02 on the circuit breaker body 01 through the limiting block.

[0036] Reference Figures 1 to 4 As shown, in the first embodiment, the connecting portion 21 is in an arc shape protruding upward relative to the first limiting portion 221; Reference Figures 5 to 7 As shown, in the second embodiment, one side of the connecting portion 21 relative to the first limiting portion 221 is in a sunken plate shape.

[0037] With the above structure, it is convenient for the user to toggle the tongue 22, provides an elastic space for the displacement of the tongue 22, and improves the convenience of operation of the present utility model.

[0038] As Figures 1 to 7 shown, in both embodiments, a toggling groove 222 is provided on the side of the tongue 22 facing the circuit breaker body 01.

[0039] With the above structure, it can improve the comfort of the user toggling the tongue 22.

[0040] As Figures 1 to 7 shown, in both embodiments, one end of the relief opening 13 facing the circuit breaker body 01 is open.

[0041] With the above structure, it is convenient for the production of the present utility model, and thus improves the production efficiency of the present utility model.

[0042] As Figures 1 to 7 shown, in both embodiments, a slot 16 communicating with the groove 12 is provided at one end of the clamping plate 1 opposite to the tongue 22.

[0043] With the above structure, it is convenient for the present utility model to perform demolding during production, so that the groove 12 does not require secondary processing, and the production efficiency of the present utility model is improved.

[0044] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art, without departing from the technical principle of the present utility model, several improvements and modifications can be made. These improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. A buckle, comprising a card plate, the card plate is provided with an open slot, and two side walls of the open slot are provided with grooves, characterized in that: An elastic member integrally arranged with the card plate is provided in the open groove, and the elastic member includes an elastic rib connected to the card plate, a connecting portion and a tongue. A clearance opening is provided at the end of the card plate, and the tongue is arranged to pass through the clearance opening. The tongue can be moved back and forth toward the connecting portion by the elastic force of the elastic rib. A clamping block is provided at one end of the card plate opposite to the clearance opening, a first limiting portion is provided at the bottom of the tongue, and a second limiting portion is provided at the end of the bottom of the card plate opposite to the first limiting portion.

2. A buckle according to claim 1, characterized in that: The elastic ribs are symmetrically arranged with two of them, namely the first elastic rib and the second elastic rib. The first elastic rib and the second elastic rib are correspondingly distributed to form a neck opening that shrinks inward in the middle, and flared openings that bend outward at both ends. The flared openings at the two ends are respectively the first flared opening and the second flared opening. The first flared opening is open and connected to the clamping plate, and the second flared opening is connected to the connecting part to form a closed opening.

3. A buckle according to claim 2, characterized in that: The first limiting portion is a convex block protruding toward the circuit breaker body or a limiting groove concave relative to the circuit breaker body.

4. A buckle according to claim 3, characterized in that: The second limiting portion is a limiting block that is protruded toward the circuit breaker body.

5. A buckle according to claim 1, characterized in that: The connecting portion is in an arc shape that is convex upward relative to the first limiting portion or in a plate shape that is concave relative to one side of the first limiting portion.

6. A buckle according to claim 1, characterized in that: A toggle groove is formed on one side of the toggle tongue facing the circuit breaker body.

7. A buckle according to claim 1, characterized in that: The clearance opening is arranged to be open toward one end of the circuit breaker body.

8. The buckle according to claim 1, characterized in that: A slot communicating with the groove is provided on one end of the card plate opposite to the tongue.

Images