Bolt with self-locking function

Abstract

The utility model discloses a bolt with a self-locking function, which comprises a lock body and a spring bolt movably mounted in the lock body, a lock groove for locking and unlocking is arranged on the lock body, a lock catch is arranged on one side of the lock body, the lock catch is provided with an accommodating cavity corresponding to the spring bolt, the spring bolt is concavely provided with a working groove, and the arrangement direction of the working groove is perpendicular to the moving direction of the spring bolt. A spring is arranged in the working groove in the arrangement direction of the working groove, a sliding block is installed at the front end of the spring and connected with a handle, the upper end of the handle is located on the other side of the lock groove, the lock groove comprises a sliding groove, the sliding groove and the spring bolt are arranged in the same moving direction, and the two ends of the sliding groove are communicated with lower lock grooves. Under the action of the spring, the sliding block moves downwards to enable the handle to fall into the lower lock groove, the spring enables the bolt to have a self-locking function, and lock tongue loosening and even unlocking caused by vibration of the sliding block are avoided.

Description

Technical Field

[0001] This utility model relates to the field of bolt technology, specifically to a bolt with a self-locking function. Background Technology

[0002] A bolt is a simple component that prevents a door from opening. Common bolts are usually made of metal and consist of two parts: a plug that is installed on the door and a socket that is installed on the door frame. The plug and socket are positioned opposite each other, and the plug and socket come into contact when the door is closed. In the present technology, bolts are also suitable for use on the doors of some equipment. However, in special working environments, such as when the equipment is in a vibrating working environment, traditional bolts are prone to loosening due to the vibration of the equipment, resulting in unreliable connection, displacement, or even unlocking, which poses a safety hazard. Utility Model Content

[0003] The purpose of this utility model is to overcome the above-mentioned defects or problems in the background art and to provide a latch with a self-locking function.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] A self-locking latch includes a lock body and a latch movably mounted therein. The lock body has a lock groove for opening and closing the lock. A latch is provided on one side of the lock body, and the latch has a receiving cavity corresponding to the latch. The latch has a recessed working groove, the working groove being arranged perpendicular to the moving direction of the latch. A spring is arranged in the working groove along its arrangement direction. A slider is installed at the front end of the spring, and the slider is connected to a handle. The upper end of the handle is located on the other side of the lock groove. The working groove includes a first groove for installing the spring, and the first groove is connected to a second groove for accommodating the slider. The width of the first groove is smaller than the width of the second groove.

[0006] In some embodiments of this utility model, the lock body is provided with a mounting through hole corresponding to the lock tongue, the mounting through hole is directly opposite the receiving cavity, and the mounting through hole communicates with the lock groove.

[0007] In some embodiments of this utility model, the handle includes a connecting part and a sliding lock part at its upper end, the lower end of the connecting part is connected to a slider, the connecting part passes through the lock groove, and the sliding lock part is located on the other side of the lock groove.

[0008] In some embodiments of this utility model, the sliding lock part is a columnar body with a diameter greater than its height, and the side of the columnar body is provided with anti-slip texture.

[0009] In some embodiments of this utility model, the lock groove includes a sliding groove, which is arranged in the same direction as the movement direction of the lock tongue, and the two ends of the sliding groove are connected to a lower locking groove.

[0010] In some embodiments of this utility model, the arrangement direction of the lower locking groove is the same as the spring's rebound direction.

[0011] In some embodiments of this utility model, a contact sensor is arranged in the lower locking groove, and the contact sensor is electrically connected to an indicator light, which is located on the front side of the lock body.

[0012] In some embodiments of this invention, the contact sensor is electrically connected to a wireless signal terminal.

[0013] In some embodiments of this utility model, the end of the second groove is configured as an arc-shaped end, and the front end of the slider is configured as an arc-shaped part corresponding to the arc-shaped end.

[0014] In some embodiments of this utility model, the second groove is a dovetail groove or a T-shaped groove.

[0015] As can be seen from the above description of this utility model, compared with the prior art, this utility model has the following advantages:

[0016] Beneficial effects:

[0017] 1. The pin structure is simple and low in cost. When in use, the user moves the handle to drive the locking tongue to move. The handle moves in the locking groove. When the handle moves to both ends of the slide groove, the slider moves downward under the action of the spring, causing the handle to fall into the corresponding lower locking groove. The spring makes the pin have a self-locking function, which prevents the pin from loosening or even unlocking due to the vibration of the slider. It is suitable for vibrating working environments or installed on vibrating equipment, which helps to ensure equipment safety.

[0018] 2. A contact sensor is arranged in the lower locking groove. The contact sensor is used to determine whether the slider is located in the corresponding lower locking groove, so that the user can easily understand the opening and closing status of the latch. Attached Figure Description

[0019] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the following description of the embodiments will be briefly introduced. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the structure of this utility model;

[0021] Figure 2 This is a schematic diagram of the installation of the handle of this utility model;

[0022] Figure 3 This is an exploded view of the present invention;

[0023] Explanation of key figure labels:

[0024] 1. Lock body; 10. Lock groove; 11. Mounting through hole; 12. Slide groove; 13. Lower lock groove; 2. Lock tongue; 20. Working groove; 21. First groove; 22. Second groove; 23. Arc-shaped end; 3. Locking buckle; 30. Receiving cavity; 4. Spring; 5. Sliding block; 50. Handle; 51. Connecting part; 52. Sliding lock part; 6. Mounting hole. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are preferred embodiments of the present utility model and should not be considered as excluding other embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0026] Unless otherwise expressly defined, the use of terms such as "first," "second," or "third" in the claims, description, and drawings of this utility model is for distinguishing different objects and not for describing a specific order.

[0027] Unless otherwise expressly defined, in the claims, description, and accompanying drawings of this utility model, the use of directional terms such as "center," "lateral," "longitudinal," "horizontal," "vertical," "top," "bottom," "inner," "outer," "upper," "lower," "front," "rear," "left," "right," "clockwise," and "counterclockwise" to indicate orientation or positional relationships is based on the orientation and positional relationships shown in the accompanying drawings and is only for the convenience of describing this utility model and simplifying the description. It does not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as limiting the specific protection scope of this utility model.

[0028] Unless otherwise expressly defined, the terms "fixed connection" or "fixed connection" used in the claims, description and drawings of this utility model shall be interpreted broadly to refer to any connection in which there is no displacement or relative rotation relationship between the two parties, including non-removable fixed connection, detachable fixed connection, integral connection and fixed connection through other devices or components.

[0029] In the claims, description and accompanying drawings of this utility model, the terms "comprising", "having", and variations thereof are used to mean "including but not limited to".

[0030] Example 1, see Figure 1-3 :

[0031] A self-locking latch includes a lock body 1 and a latch 2 movably installed inside it. The lock body 1 is provided with a lock groove 10 for opening and closing the lock. A latch 3 is located on one side of the lock body 1. The latch 3 is provided with a receiving cavity 30 corresponding to the latch 2. When the latch 2 is inserted into the receiving cavity 30, the locking function is realized.

[0032] The latch 2 is recessed with a working groove 20. The working groove 20 is arranged perpendicular to the moving direction of the latch 2. A spring 4 is arranged in the working groove 20 along the direction of the working groove 20. A slider 5 is installed at the front end of the spring 4. The slider 5 slides in the working groove 20. The slider 5 is connected to a handle 50. The upper end of the handle 50 is located on the other side of the lock groove 10. The user moves the latch 2 by using the handle 50 to complete the locking and unlocking.

[0033] The working groove 20 includes a first groove 21, which facilitates the installation of the spring 4. The first groove 21 is connected to a second groove 22, which facilitates the accommodation of the slider 5. The width of the first groove 21 is smaller than the width of the second groove 22. The wider second groove 22 facilitates the installation and sliding of the slider 5.

[0034] In one embodiment, the lock body 1, the latch 2, and the buckle 3 are made of aluminum or stainless steel.

[0035] In one embodiment, the lock body 1 has a square cross-section and a square mounting through hole 11 corresponding to the lock tongue 2. The lock tongue 2 can move left and right within the mounting through hole 11. The mounting through hole 11 is directly opposite the receiving cavity 30 and is connected to the lock groove 10.

[0036] In one embodiment, the lock body 1 and the latch 3 are provided with a plurality of mounting holes 6, which facilitates their installation on the pin position by means of fasteners.

[0037] In one embodiment, the handle 50 includes a connecting portion 51 and a sliding lock portion 52 at its upper end. The lower end of the connecting portion 51 is connected to a slider 5. The connecting portion 51 passes through the lock groove 10, and the sliding lock portion 52 is located outside the lock groove 10. Preferably, the connecting portion 51 is provided with a connecting thread, and the slider 5 is provided with a threaded hole corresponding to the connecting thread, which facilitates the installation and removal of the handle 50.

[0038] In one embodiment, the sliding lock part 52 is a columnar body with a diameter greater than its height. The side of the columnar body is provided with anti-slip texture to prevent slipping and facilitate user operation.

[0039] In one embodiment, the lock groove 10 includes a sliding groove 12, which is arranged in the same direction as the locking tongue 2, and the two ends of the sliding groove 12 are connected to the lower locking groove 13.

[0040] In one embodiment, the arrangement direction of the lower locking groove 13 is the same as the rebound direction of the spring 4. In this embodiment, the arrangement direction of the lower locking groove 13 is downward, and the latch 3 is located on the right side of the lock body 1. When it is necessary to lock, the slider 5 located in the lower locking groove 13 on the left moves upward, the spring 4 is compressed, and the rebound direction of the spring 4 is downward. The user moves the handle 50, so that the handle 50 moves to the right along the slide groove 12. Finally, under the action of the spring 4, the slider 5 moves downward, so that the handle 50 falls into the lower locking groove 13 on the right, thereby locking. The spring 4 makes the latch have a self-locking function, preventing the latch lock from loosening or even unlocking due to vibration of the slider 5.

[0041] In one embodiment, the end of the second groove 22 is set as an arc-shaped end 23, which is the end away from the first groove 21, and the front end of the slider 5 is set as an arc-shaped part corresponding to the arc-shaped end 23.

[0042] In one embodiment, the second groove 22 is a dovetail groove or a T-shaped groove, and the shapes of the two sides of the slider 5 correspond to the second groove 22.

[0043] Example 2:

[0044] The embodiment 1 is repeated, but the lower locking groove 13 is equipped with a contact sensor. The contact sensor is used to determine whether the handle 50 is located in the corresponding lower locking groove 13, so that the user can easily understand the opening and closing status of the latch.

[0045] In one implementation, the contact sensor is electrically connected to an indicator light, which is located on the front side of the lock body 1. It is understood that both the contact sensor and the indicator light are battery powered.

[0046] In one implementation, the contact sensor is electrically connected to a wireless signal terminal, which is used for communication with a terminal device. The wireless signal terminal has a Bluetooth communication module or a Wi-Fi communication module.

[0047] The foregoing description of the specifications and embodiments is intended to explain the scope of protection of this utility model, but does not constitute a limitation on the scope of protection of this utility model. Modifications, equivalent substitutions, or other improvements to the embodiments of this utility model or a portion thereof that can be obtained by those skilled in the art through logical analysis, reasoning, or limited experimentation, based on the teachings of this utility model or the foregoing embodiments, should all be included within the scope of protection of this utility model.

Claims

1. A latch with a self-locking function, characterized in that: The lock includes a lock body (1) and a latch (2) that is movably installed inside it. The lock body (1) is provided with a lock groove (10) for opening and closing the lock. A latch (3) is provided on one side of the lock body (1). The latch (3) is provided with a receiving cavity (30) corresponding to the latch (2). The latch (2) is recessed with a working groove (20). The arrangement direction of the working groove (20) is perpendicular to the movement direction of the latch (2). A spring (4) is arranged in the working groove (20) along its arrangement direction. A slider (5) is installed at the front end of the spring (4). The slider (5) is connected to a handle (50). The upper end of the handle (50) is located on the other side of the lock groove (10). The working groove (20) includes a first groove (21) for installing the spring (4). The first groove (21) is connected to a second groove (22) for accommodating the slider (5). The groove width of the first groove (21) is smaller than the groove width of the second groove (22).

2. A self-locking latch according to claim 1, characterized in that: The lock body (1) is provided with a mounting through hole (11) corresponding to the lock tongue (2), the mounting through hole (11) is directly opposite the receiving cavity (30), and the mounting through hole (11) is connected to the lock groove (10).

3. A self-locking latch according to claim 1, characterized in that: The handle (50) includes a connecting part (51) and a sliding lock part (52) at its upper end. The lower end of the connecting part (51) is connected to a slider (5). The connecting part (51) passes through the lock groove (10). The sliding lock part (52) is located on the other side of the lock groove (10).

4. A self-locking latch according to claim 3, characterized in that: The sliding lock part (52) is a columnar body with a diameter greater than its height, and anti-slip texture is provided on the side of the columnar body.

5. A self-locking latch according to claim 1, characterized in that: The end of the second groove (22) is set as an arc end (23), and the front end of the slider (5) is set as an arc part corresponding to the arc end (23).

6. A self-locking latch according to claim 5, characterized in that: The second groove (22) is a dovetail groove or a T-shaped groove.

7. A self-locking latch according to any one of claims 1-6, characterized in that: The lock groove (10) includes a sliding groove (12), which is arranged in the same direction as the locking tongue (2). The two ends of the sliding groove (12) are connected to the lower locking groove (13).

8. A self-locking latch according to claim 7, characterized in that: The lower locking groove (13) is arranged in the same direction as the spring (4) in terms of its rebound direction.

9. A self-locking latch according to claim 7, characterized in that: The lower locking groove (13) is equipped with a contact sensor, which is electrically connected to an indicator light located on the front side of the lock body (1).

10. A self-locking latch according to claim 9, characterized in that: The contact sensor is electrically connected to the wireless signal terminal.

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