Lock body with sliding block capable of passing through spring bolt

Abstract

The utility model discloses a lock body capable of passing through a spring bolt sliding block, which comprises a bottom shell and a surface cover which are fixed through screws, a spring bolt is arranged between the bottom shell and the surface cover, an unlocking rotating body is arranged on the bottom shell, and the spring bolt sliding block is arranged on the bottom shell; the spring bolt sliding block comprises a spring bolt connecting plate, two guide pieces and two vertical abutting pieces. One ends of the two guide pieces are arranged at the two ends of the top face of the spring bolt connecting plate, the vertical abutting pieces are arranged at the other ends of the guide pieces, and the vertical abutting pieces are parallel to the spring bolt connecting plate. Two abutting protrusions are arranged on the side wall of the unlocking rotating body. The spring bolt is connected to the spring bolt connecting plate, and the two abutting protrusions abut against the side faces of the two vertical abutting pieces correspondingly. When the unlocking rotating body rotates leftwards or rightwards, the abutting protrusion drives the vertical abutting piece to horizontally move so that the spring bolt can contract and unlock. The structure is reasonable in arrangement, the whole structure is convenient to disassemble and assemble, disassembly, assembly and maintenance operation is convenient, the driving stability of the spring bolt is improved, the applicability is high, and the practicability is good.

Description

Technical Field

[0001] The utility model belongs to the technical field of locks, and in particular relates to a lock body with a lock tongue sliding block. Background Art

[0002] A lock is a common structure, which is mainly used to implement locking or unlocking operations on a door body. The lock of the prior art generally includes a lock body, a lock tongue, a key rotary drive member, a paddle and a spring body. The key rotary drive member drives the lock tongue to extend and retract through a paddle. Although it can meet the general usage requirements, the paddle is fixed on the key rotary drive member, and its disassembly and assembly is relatively inconvenient. Moreover, the drive control of the lock tongue by the paddle has limited driving stability, and the switch operation can only be achieved by rotating in one direction, which limits the unlocking of the lock tongue, thereby limiting its applicability and practicality. Utility Model Content

[0003] The utility model aims to provide a lock body with a lock tongue sliding block which has a reasonable structural arrangement and is conducive to improving the driving stability of the lock tongue.

[0004] The technical solution for achieving the purpose of the utility model is a lock body with a lock tongue slider, comprising a bottom shell and a surface cover fixed by screws, a lock tongue arranged between the bottom shell and the surface cover, an unlocking rotating body arranged on the bottom shell, and a lock tongue slider arranged on the bottom shell;

[0005] The lock tongue slider includes a lock tongue connecting plate, two guide pieces and two vertical retaining pieces;

[0006] One end of the two guide pieces is arranged at both ends of the top surface of the lock tongue connecting plate, and the vertical retaining piece is arranged at the other end of the guide piece, and the vertical retaining piece is parallel to the lock tongue connecting plate;

[0007] Two pressing protrusions are provided on the side wall of the unlocking rotating body;

[0008] The lock tongue is connected to the lock tongue connecting plate, the unlocking rotating body is located between the two guide pieces, and the two pressing protrusions are located below the two guide pieces and respectively abut against the side surfaces of the two vertical abutting pieces;

[0009] When the unlocking rotating body rotates left or right, the pressing protrusion drives the vertical positioning piece to translate to realize the contraction and unlocking of the lock tongue.

[0010] It is further preferred that: a limit plate and a return spring are further provided in the bottom shell;

[0011] The bottom shell and the top cover are provided with snap holes, and the top and bottom of the limit plate are provided with snap bosses;

[0012] The limiting plate is arranged between the two guide plates and is positioned by being snapped into the snap hole through the snap projection;

[0013] The reset spring is arranged between the lock tongue and the limiting plate, and is used for the lock tongue to reset and extend out of the bottom shell.

[0014] Further preferably, two limiting columns are provided on the bottom shell;

[0015] A guide slot is provided in the middle of the guide piece;

[0016] The limiting column can be arranged in the guide groove in a translational manner.

[0017] It is further preferred that: a positioning groove is provided on the bottom surface of the inner end of the lock tongue;

[0018] The lock tongue is connected to the lock tongue connecting plate, and the lock tongue connecting plate is snapped into the positioning groove for positioning.

[0019] Further preferably, the surface cover is attached to the top surface of the limiting column and is connected to and fixed on the limiting column via a screw.

[0020] It is further preferred that: a spring clamping column is integrally formed in the middle of the limit plate;

[0021] The end of the return spring is clamped and fixed on the spring clamping column.

[0022] The utility model has positive effects: the structure of the utility model is reasonably set up, and its lock tongue slider includes a lock tongue connecting plate, two guide pieces and two vertical resisting pieces, and cooperates with the two resisting protrusions on the unlocking rotating body. When the unlocking rotating body turns left or right, the guide piece can be driven to move horizontally, thereby driving the lock tongue to retract to complete the unlocking operation. The overall structure is easy to disassemble and assemble, convenient for disassembly and maintenance operations, and is also conducive to improving the stability of the lock tongue drive, with strong applicability and good practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to make the content of the present invention more clearly understood, the present invention is further described in detail below based on specific embodiments and in conjunction with the accompanying drawings, wherein:

[0024] Figure 1 It is a structural diagram of the utility model;

[0025] Figure 2 This is a schematic diagram of the structure of the utility model when the middle cover is opened;

[0026] Figure 3 This is a schematic diagram of the split structure of the utility model;

[0027] Figure 4It is a structural schematic diagram of the lock tongue slider and the unlocking rotating body in the utility model.

[0028] Figure numerals: bottom shell 1, surface cover 2, lock tongue 3, unlocking rotating body 4, lock tongue slider 5, lock tongue connecting plate 51, guide piece 52, vertical resisting piece 53, pressing protrusion 6, limiting plate 7, return spring 8, snap hole 9, snap boss 10, limiting column 11, guide slot 12, positioning groove 13, spring clamping column 14. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0030] Example

[0031] See Figures 1 to 4 As shown, a lock body with a lock tongue slider includes a bottom shell 1 and a surface cover 2 fixed by screws, a lock tongue 3 is arranged between the bottom shell and the surface cover, and an unlocking rotor 4 is arranged on the bottom shell. In this embodiment, the above structures are all conventional structures of the prior art, so they are not described in detail. The unlocking rotor is mainly used for unlocking rotation operations, mainly for inserting keys or handles.

[0032] In actual application, a lock tongue slider 5 is provided on the bottom shell; the lock tongue slider is mainly used to drive the lock tongue to retract to realize the unlocking operation. In this embodiment, the lock tongue slider includes a lock tongue connecting plate 51, two guide pieces 52 and two vertical retaining pieces 53; during processing, one end of the two guide pieces is set at the two ends of the top surface of the lock tongue connecting plate, and the vertical retaining piece is set at the other end of the guide piece, and the vertical retaining piece is parallel to the lock tongue connecting plate; the above structure can be fixed by welding or can be integrally processed and formed. The guide piece is mainly used for translation guidance, and the lock tongue connecting plate is mainly used for connecting with the lock tongue;

[0033] In actual use, two pressing protrusions 6 are provided on the side wall of the unlocking rotator. During assembly, the lock tongue is connected to the lock tongue connecting plate, the unlocking rotator is located between the two guide pieces, and the two pressing protrusions are located below the two guide pieces and respectively abut the sides of the two vertical retaining pieces. With this structure, when the unlocking rotator rotates left or right, the pressing protrusions drive the vertical retaining pieces to translate, causing the lock tongue to retract and unlock. In other words, the unlocking operation can be completed by rotating in any direction, which improves the effectiveness and convenience of unlocking and is highly practical.

[0034] In actual use, the bottom shell is further provided with a limit plate 7 and a return spring 8. The return spring is positioned between the lock tongue and the limit plate to reset the lock tongue and extend out of the bottom shell. The limit plate can be secured by welding, screws, or snap fasteners. In this embodiment, snap fastener holes 9 are provided on the bottom shell and the top cover, and snap fastener bosses 10 are provided on the top and bottom of the limit plate. During assembly, the limit plate is positioned between the two guide plates and is positioned in the snap fastener holes by the snap fastener bosses. This structure facilitates assembly, disassembly, and maintenance, improving ease of use and stability.

[0035] In actual use, the bottom shell is provided with two limiting posts 11; the middle portion of the guide plate is provided with a guide slot 12; during assembly, the limiting posts can be arranged to translate within the guide slot. This structure can effectively achieve guidance and limiting, ensuring the translational effectiveness and reliability of the lock tongue slider.

[0036] In actual use, the inner bottom surface of the lock tongue is provided with a positioning groove 13; during assembly, the lock tongue is connected to the lock tongue connecting plate, and the lock tongue connecting plate is snapped into the positioning groove for positioning, which can improve the convenience and stability of the lock tongue connection.

[0037] In actual use, the cover is attached to the top surface of the limit post and secured to it via screws. Furthermore, a spring retaining post 14 is integrally formed in the center of the limit plate; the end of the return spring is secured in place on the spring retaining post. This ensures smooth and reliable assembly of the return spring.

[0038] The utility model has positive effects: the structure of the utility model is reasonably set up, and its lock tongue slider includes a lock tongue connecting plate, two guide pieces and two vertical resisting pieces, and cooperates with the two resisting protrusions on the unlocking rotating body. When the unlocking rotating body turns left or right, the guide piece can be driven to move horizontally, thereby driving the lock tongue to retract to complete the unlocking operation. The overall structure is easy to disassemble and assemble, convenient for disassembly and maintenance operations, and is also conducive to improving the stability of the lock tongue drive, with strong applicability and good practicality.

[0039] The standard parts used in this embodiment can be purchased directly from the market, and the non-standard structural components described in the specification can also be directly processed according to existing technical common sense without any doubt. At the same time, the connection method of each component adopts the mature conventional means in the existing technology, and the machinery, parts and equipment all adopt conventional models in the existing technology, so no specific description is given here.

[0040] Obviously, the above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Those skilled in the art will readily appreciate that other variations or modifications based on the above description are possible. It is not necessary and impossible to enumerate all embodiments here. However, obvious variations or modifications arising from the essence of the present invention remain within the scope of protection of the present invention.

Claims

1. A lock body with a lock tongue slider, comprising a bottom shell and a cover fixed by screws, a lock tongue disposed between the bottom shell and the cover, and an unlocking rotating body disposed on the bottom shell, characterized in that: A lock tongue slider is provided on the bottom shell; The lock tongue slider includes a lock tongue connecting plate, two guide pieces and two vertical retaining pieces; One end of the two guide pieces is arranged at both ends of the top surface of the lock tongue connecting plate, and the vertical retaining piece is arranged at the other end of the guide piece, and the vertical retaining piece is parallel to the lock tongue connecting plate; Two pressing protrusions are provided on the side wall of the unlocking rotating body; The lock tongue is connected to the lock tongue connecting plate, the unlocking rotating body is located between the two guide pieces, and the two pressing protrusions are located below the two guide pieces and respectively abut against the side surfaces of the two vertical abutting pieces; When the unlocking rotating body rotates left or right, the pressing protrusion drives the vertical positioning piece to translate to realize the contraction and unlocking of the lock tongue.

2. The lock body with a lock tongue slider according to claim 1, characterized in that: A limit plate and a return spring are also provided in the bottom shell; The reset spring is arranged between the lock tongue and the limiting plate, and is used for the lock tongue to reset and extend out of the bottom shell.

3. The lock body with a lock tongue slider according to claim 2, characterized in that: The bottom shell and the top cover are provided with snap holes, and the top and bottom of the limit plate are provided with snap bosses; The limiting plate is arranged between the two guide pieces and is positioned by being snapped into the snap hole through the snap projection.

4. The lock body with a lock tongue slider according to claim 1, characterized in that: Two limiting columns are provided on the bottom shell; A guide slot is provided in the middle of the guide piece; The limiting column can be arranged in the guide groove in a translational manner.

5. The lock body with a lock tongue slider according to claim 1, characterized in that: The bottom surface of the inner end of the lock tongue is provided with a positioning groove; The lock tongue is connected to the lock tongue connecting plate, and the lock tongue connecting plate is snapped into the positioning groove for positioning.

6. The lock body with a lock tongue slider according to claim 4, characterized in that: The surface cover is attached to the top surface of the limiting column and is connected and fixed on the limiting column through a screw rod.

7. The lock body with a lock tongue slider according to claim 2, characterized in that: A spring clamping column is integrally formed in the middle of the limit plate; The end of the return spring is clamped and fixed on the spring clamping column.

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