Automatic reversing structure of lock tongue of door lock

Abstract

The utility model provides a lock tongue automatic reversing structure of a door lock, which comprises a lock shell and a lock tongue, the lock tongue comprises a lock tongue body and a lock tongue seat, the lock tongue body is rotatably mounted on the lock tongue seat, the lock tongue seat is telescopically arranged on the lock shell, an elastic piece and a driving piece are arranged on the lock shell, the elastic piece abuts against the lock tongue seat, and the driving piece is driven by the elastic piece to rotate. The elastic piece is provided with a limiting part for limiting rotation of the spring bolt body, and the driving piece is used for driving the elastic piece to move away from the spring bolt base so that the limiting part can relieve rotation limitation on the spring bolt body. According to the door lock with the automatic reversing structure, when a user rotates the handle every time, the spring bolt body is in a free and movable state, so that the spring bolt body can be used in the door opening mode that the user pushes a door or pulls the door. A user does not need to consider the opening direction of a door during installation, and does not need to detach the door lock to perform reversing operation on the spring bolt.

Description

TECHNICAL FIELD

[0001] The utility model relates to a lock tongue automatic reversing structure of door lock. BACKGROUND

[0002] In order to improve the universality when installing, the lock tongue of the door lock on the market is set to the structure that can reverse, and the user can reverse and adjust the lock tongue according to the opening direction of the door body when installing the door lock. However, the reversing of the lock tongue needs to disassemble the lock shell, and then the reversing operation of the lock tongue can be carried out, so time is consumed for disassembling and assembling the lock, and there is still inconvenience in use.

[0003] Therefore, it is necessary to make further improvement. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at overcoming the above-mentioned problems, and provides a lock tongue automatic reversing structure of door lock, and the reversing structure does not need the user to reverse the lock tongue when installing the door lock.

[0005] In order to achieve the above-mentioned purpose, the utility model provides a lock tongue automatic reversing structure of door lock, which comprises a lock shell and a lock tongue, the lock tongue comprises a lock tongue body and a lock tongue seat, the lock tongue body is rotatably installed on the lock tongue seat, the lock tongue seat is telescopically arranged on the lock shell, an elastic element and a driving element are arranged on the lock shell, the elastic element abuts against the lock tongue seat, and the elastic element has a limiting portion for limiting the rotation of the lock tongue body, and the driving element is used for driving the elastic element to move away from the lock tongue seat to release the rotation limitation of the limiting portion on the lock tongue body.

[0006] In one or more embodiments, the elastic element comprises a connecting seat and a spring, the connecting seat abuts against the lock tongue seat, and the spring abuts against the connecting seat and the lock shell respectively.

[0007] In one or more embodiments, one side of the lock tongue body opposite to the connecting seat is provided with a clamping portion, the limiting portion has a clamping opening capable of clamping the clamping portion, and when the clamping portion is clamped into the clamping opening, the rotation of the lock tongue body is limited by the connecting seat.

[0008] In one or more embodiments, the bottom surface of the clamping portion is an arc-shaped contact surface, and the plate bodies on the two sides of the clamping opening are provided with inclined surface structures.

[0009] In one or more embodiments, the lock tongue seat is provided with a pivot, and the lock tongue body is provided with a pivot hole connected with the pivot.

[0010] In one or more embodiments, the lock shell is provided with a guide rod connected with the lock tongue seat, the connecting seat is provided with an avoiding hole through which the guide rod passes, and the spring is sleeved on the guide rod.

[0011] In one or more embodiments, the driving member is a lever, the lever is rotatably connected to the lock shell, one end of the lever extends to the connecting seat, the other end of the lever extends to the rotating shaft of the lock shell, and the rotating shaft is provided with a lever arm for driving the lever to rotate.

[0012] The door lock with the automatic reversing structure has the following advantages compared with the prior art: the lock tongue body is in a free and movable state when the user rotates the handle each time, so that the lock tongue body can be used for the door opening mode of pushing or pulling the door, the user can not consider the opening direction of the door during installation, and the reversing operation of the lock tongue is not needed. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 Fig. 3 is a structural schematic view of the lock tongue body in a restricted state according to the present application;

[0014] Figure 2 Fig. 4 is a cross-sectional view through the middle line of the lock tongue body according to the present application; Figure 1

[0015] Figure 3 Fig. 5 is a structural schematic view of the lock tongue body in an unrestricted state according to the present application;

[0016] Figure 4 Fig. 6 is a cross-sectional view through the middle line of the lock tongue body according to the present application. Figure 3 DETAILED DESCRIPTION

[0017] In order to deepen the understanding of the present application, the present application will be further described in combination with embodiments and drawings, and the embodiments are only used to explain the present application and do not constitute a limitation on the protection scope of the present application.

[0018] Please refer to the accompanying drawings Figures 1-4 The present application provides a lock tongue automatic reversing structure of a door lock, which comprises a lock shell 1 and a lock tongue, the lock tongue comprises a lock tongue body 2 and a lock tongue seat 3, the lock tongue body 2 is rotatably installed on the lock tongue seat 3, the lock tongue seat 3 is telescopically arranged on the lock shell 1, the lock shell is provided with an elastic member and a driving member, the elastic member abuts against the lock tongue seat 3, and the elastic member has a limiting portion for limiting the rotation of the lock tongue body 2, the driving member is used for driving the elastic member to move away from the lock tongue seat 3, so as to release the rotation limitation of the limiting portion on the lock tongue body 2, after the driving member drives the elastic member to move away from the lock tongue seat, the lock tongue seat loses the support of the elastic member and can be telescopically arranged relative to the lock shell, and the lock tongue body can also obtain the rotation function, at this time, no matter whether the user uses the door opening mode of pushing the door inward or the door opening mode of pulling the door outward, the lock tongue body can be adapted to the swinging direction according to the door opening mode, so that the lock tongue can smoothly exit the lock tongue hole, thereby enabling the door body to be smoothly opened. Therefore, the user does not need to consider the direction of the lock tongue during installation of the door lock, and can directly install and use.​​

[0019] The elastic member comprises a connecting seat 4 and a spring 5, the connecting seat is abutted with the lock tongue seat 3, the spring 5 is abutted with the connecting seat 4 and the lock 1 respectively, when the driving member drives the elastic member to be away from the lock tongue seat, the spring is in compression state, so that the connecting seat can be reset and abutted with the lock tongue seat again and the rotation of the lock tongue is restricted again by the elasticity of the spring.

[0020] The lock tongue body 2 is provided with a clamping part 6 on the side opposite to the connecting seat, the limiting part is provided with a clamping hole 7 capable of clamping with the clamping part, when the clamping part is clamped into the clamping hole, the rotation of the lock tongue body 2 is limited by the connecting seat 4, the rotation of the lock tongue body is limited by clamping, when the connecting seat is away from the lock tongue seat, that is, the clamping hole is separated from the clamping part, the rotation limitation of the lock tongue body is released. Further, in order to facilitate the clamping part to be clamped into the clamping hole again when the lock tongue body and the connecting seat are reconnected, a guide structure is adopted, specifically, the bottom surface of the clamping part 6 is an arc contact surface 61, and the inclined surface structure 8 is arranged on the plate body on both sides of the clamping hole.

[0021] The lock tongue seat 3 is provided with a pivot, the lock tongue body 2 is provided with a pivot hole connected with the pivot, the lock tongue body is installed on the lock tongue seat by the cooperation of the pivot and the pivot hole, which has the advantages of easy installation and disassembly and can ensure the smooth rotation of the lock tongue body.

[0022] The lock 1 is provided with a guide rod 9 connected with the lock tongue seat, the connecting seat 4 is provided with an avoiding hole through which the guide rod passes, and the spring 5 is sleeved on the guide rod, the guide rod has the functions of limiting and guiding the connecting seat and the spring.

[0023] The driving member is a lever 10, the lever is rotationally connected to the lock 1, one end of the lever extends to the connecting seat 4, and the other end of the lever extends to a rotating shaft 11 of the lock 1, the rotating shaft is provided with a lever arm 12 for driving the lever to rotate, and the rotating shaft is used for connecting a door handle, so that the user can drive the elastic member to be away from the lock tongue seat by rotating the door handle.

[0024] The above only describes the preferred embodiments of the present application, the protection scope of the present application is not limited to the above embodiments, but any equivalent modification or change made by the ordinary skilled in the art according to the disclosed content of the present application shall be included in the protection scope recorded in the claims.

Claims

1. An automatic bolt reversing structure for a door lock, characterized in that: The lock includes a lock shell (1) and a lock bolt, the lock bolt includes a lock bolt body (2) and a lock bolt base (3), the lock bolt body (2) is rotatably installed on the lock bolt base (3), the lock bolt base (3) is telescopically arranged on the lock shell (1), the lock shell is provided with an elastic member and a driving member, the elastic member abuts against the lock bolt base (3), and the elastic member has a limiting portion for limiting rotation of the lock bolt body (2), and the driving member is used for driving the elastic member to move away from the lock bolt base (3) to release the limiting portion from limiting rotation of the lock bolt body (2).

2. The automatic reversing bolt structure of a door lock according to claim 1, characterized in that: The elastic member includes a connecting base (4) and a spring (5), the connecting base abuts against the lock bolt base (3), and the spring (5) abuts against the connecting base (4) and the lock shell (1) respectively.

3. The automatic reversing bolt structure of a door lock according to claim 2, characterized in that: The lock bolt body (2) is provided with a clamping portion (6) on the side opposite to the connecting base, the limiting portion has a clamping opening (7) capable of clamping the clamping portion, and when the clamping portion is clamped into the clamping opening, the lock bolt body (2) is limited in rotation by the connecting base (4).

4. The automatic bolt reversing structure of a door lock according to claim 3, characterized in that: The bottom surface of the clamping portion (6) is an arc-shaped contact surface (61), and the plate bodies on the two sides of the clamping opening are provided with inclined surface structures (8).

5. The automatic reversing bolt structure of a door lock according to claim 1, characterized in that: The lock bolt base (3) is provided with a pivot, and the lock bolt body (2) is provided with a pivot hole connected with the pivot.

6. A bolt reversing mechanism for a door lock according to any one of claims 2 to 4, wherein: The lock shell (1) is provided with a guide rod (9) connected with the lock bolt base, the connecting base (4) is provided with an avoiding hole through which the guide rod passes, and the spring (5) is sleeved on the guide rod.

7. The automatic bolt reversing structure of a door lock according to claim 6, characterized in that: The driving member is a lever (10), the lever is rotatably connected to the lock shell (1), one end of the lever extends to the connecting base (4), and the other end of the lever extends to a rotating shaft (11) of the lock shell (1), and the rotating shaft is provided with a lever arm (12) for driving the lever to rotate.

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