Unpowered clamp for lock case and dial wheel

By using a non-powered clamp design, the lock shell and the dial are stably fixed by a moving block and a spring, and the unlocking mechanism unlocks quickly. This solves the problems of complex structure and insufficient precision of existing clamps, and improves the assembly efficiency and precision of the lock cylinder.

CN224116067UActive Publication Date: 2026-04-14YUEQING HONGXU AUTOMATION TECHNOLOGY CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
YUEQING HONGXU AUTOMATION TECHNOLOGY CO LTD
Filing Date
2026-03-17
Publication Date
2026-04-14

AI Technical Summary

Technical Problem

Existing lock cylinder assembly fixtures rely on external power sources, resulting in complex structures, high costs, high energy consumption, and an inability to meet the high-precision synchronous fixing requirements of the lock case and the dial.

Method used

Design a non-powered clamp that uses a moving block, a moving spring, and an unlocking mechanism. The moving block is driven by the spring to fix the lock case and the dial. The unlocking mechanism uses an unlocking rod and an inclined plane to achieve quick unlocking. The base structure is reasonably disassembled to adapt to automated production.

Benefits of technology

The simplified fixture structure reduces costs and energy consumption, improves the fixing accuracy and assembly efficiency of the lock housing and dial wheel, and adapts to the needs of automated production.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224116067U_ABST
    Figure CN224116067U_ABST
Patent Text Reader

Abstract

The utility model relates to an unpowered clamp for a lock case and a dial wheel, which comprises a base, a moving block, a moving spring and an unlocking mechanism, the base is provided with an accommodating groove for placing the lock case and the dial wheel, the base is also provided with a fixed groove, the fixed groove is horizontally vertical to the accommodating groove and extends to be communicated with the accommodating groove, the moving block is arranged in the fixed groove in a sliding manner, and the moving spring is arranged on the moving block. The movable spring is arranged on the movable block and drives the movable block to move in the direction close to the containing groove, the lock shell and the shifting wheel are fixed to the base through the movable block and the movable spring, and the unlocking mechanism is arranged on the base and has an unlocking state for driving the movable block to move in the direction away from the containing groove.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to a clamp, specifically a non-powered clamp for a lock housing and a dial. Background Technology

[0002] As the core functional component of a lock, the assembly precision of the lock cylinder directly determines the smoothness of its opening, its anti-theft performance, and its service life. The assembly of the lock case and the dial wheel is one of the key steps in the lock cylinder assembly process. During lock cylinder assembly, the dial wheel must first be precisely embedded into the dial wheel groove of the lock case, ensuring that the relative position of the dial wheel and the lock case meets the design requirements. Subsequently, the assembly of other components such as the lock cylinder and retaining rings is carried out. Throughout this process, the stable fixation of the lock case and the dial wheel is a prerequisite for ensuring assembly precision and efficiency.

[0003] Currently, such clamps in lock cylinder assembly production lines generally rely on external power sources such as electricity and air to achieve clamping and fixing. This not only leads to complex clamp structures and high manufacturing and maintenance costs, but also results in high energy consumption and high failure risk. Existing non-powered clamping technologies are mostly applicable to general scenarios and cannot meet the high-precision synchronous fixing requirements required for lock housing and dial assembly. Furthermore, existing non-powered improvements related to lock cylinder assembly are mostly aimed at single components and are difficult to meet the needs of automated production. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a non-powered clamp for lock housing and dial.

[0005] To achieve the above objectives, this utility model provides the following technical solution: it includes a base, a movable block, a movable spring, and an unlocking mechanism. The base is provided with a receiving groove for placing the lock housing and the dial wheel. The base is also provided with a fixing groove, which is horizontal and perpendicular to the receiving groove and extends to communicate with the receiving groove. The movable block is slidably disposed in the fixing groove. The movable spring is disposed on the movable block and drives the movable block to move towards the receiving groove. The movable block and the movable spring constitute the fixation of the lock housing and the dial wheel on the base. The unlocking mechanism is disposed on the base and has an unlocked state that drives the movable block to move away from the receiving groove.

[0006] By adopting the above technical solution, during use, the lock case and dial wheel are placed in the receiving groove of the base. The moving spring drives the moving block, which is slidably set in the fixed groove, to move towards the receiving groove. The lock case and dial wheel are stably fixed on the base through the cooperation of the moving block and the moving spring. When it is necessary to remove the workpiece, the unlocking mechanism is operated to put it in the unlocked state. The unlocking mechanism drives the moving block to move away from the receiving groove, releasing the fixation of the lock case and dial wheel. It does not rely on external power sources such as electricity or air supply, simplifies the fixture structure, reduces manufacturing and maintenance costs, reduces energy consumption and failure risk, and can stably fix the lock case and dial wheel, providing a reliable guarantee for subsequent assembly operations and meeting the core requirements of lock cylinder assembly.

[0007] The present invention is further configured such that: the unlocking mechanism includes an unlocking rod, a slide rail is provided on the base for the unlocking rod to slide, the slide rail is located below the receiving groove and parallel to the receiving groove, the slide rail is connected to the receiving groove and the fixing groove, the unlocking rod has an unlocking inclined surface, the moving block has an extension portion extending to the slide rail and abutting against the unlocking inclined surface, and the moving unlocking rod constitutes a drive for the moving block.

[0008] By adopting the above technical solution, the unlocking rod of the unlocking mechanism is slidably set in the slide rail of the base, and the extension of the moving block extends into the slide rail and abuts against the unlocking inclined surface of the unlocking rod; when fixing the workpiece, the moving spring drives the moving block to fix the lock shell and the dial wheel; when unlocking, the unlocking rod is pushed to move along the slide rail, and the unlocking inclined surface drives the moving block to slide away from the receiving groove through the abutment action with the extension, thus completing the unlocking; the unlocking structure is compact in design, has good compatibility with the fixture body, and the unlocking operation is convenient and labor-saving, which can quickly realize the switching between fixing and unlocking of the workpiece and improve the assembly efficiency of the lock cylinder.

[0009] The present invention is further configured such that: the movable block includes an upper movable block and a lower movable block, the movable spring includes an upper movable spring and a lower movable spring, the extension is disposed on the lower movable block, the upper movable spring and the upper movable block constitute the fixing of the dial wheel, and the lower movable spring and the lower movable block constitute the fixing of the lock housing.

[0010] By adopting the above technical solution, after the workpiece is placed, the upper moving spring drives the upper moving block to clamp and fix the dial wheel, and the lower moving spring drives the lower moving block to clamp and fix the lock housing. When unlocking, the lower moving block is driven by the unlocking rod, which simultaneously drives the upper moving block to release the fixation. This achieves precise fixation of the lock housing and the dial wheel separately, solving the problem that existing non-powered fixtures cannot be adapted to the high-precision synchronous fixation of the lock housing and the dial wheel, ensuring the relative positional accuracy of the two during assembly, and laying a good foundation for subsequent assembly processes.

[0011] The present invention is further configured such that: the lower moving block is provided with an auxiliary fixing part extending into the dial groove of the lock housing and the auxiliary fixing part is opposite to the dial, and the auxiliary fixing part has a linkage unlocking state that drives the upper moving block to unlock.

[0012] By adopting the above technical solution, when the lower moving block is fixed to the lock housing by the lower moving spring, the auxiliary fixing part simultaneously forms an auxiliary limit on the dial wheel in the dial wheel groove; this further improves the overall fixing stability of the dial wheel and the lock housing after assembly, avoids the dial wheel from shifting in the dial wheel groove during assembly, ensures assembly accuracy, and the ingenious structural design does not affect the placement and removal of the workpiece. Simultaneously, the auxiliary fixing part can extend inward, thereby driving the upper moving block to unlock through the movement of the lower moving block.

[0013] The present invention is further configured such that: the top of the lower moving block is provided with a sliding groove for the upper moving block to slide.

[0014] By adopting the above technical solution, the upper moving spring drives the upper moving block to move along the sliding groove towards the dial wheel to achieve fixation. When unlocking, it resets synchronously along the sliding groove with the movement of the lower moving block. This provides a stable sliding guide for the upper moving block, ensuring that the clamping action of the upper moving block on the dial wheel is accurate and stable, avoiding fixation failure or positioning deviation caused by the offset of the upper moving block, and improving the clamping reliability and service life of the fixture.

[0015] The present invention is further configured such that: the base includes a base plate, a left block and a right block, the left block and the right block are disposed on the base plate and there is a separation space between the left block and the right block, an extension plate is provided on the opposite side of the left block and the right block, the extension plate divides the separation space into a receiving groove and a slide, a notch is provided in the middle of the extension plate and forms a connection between the receiving groove and the slide, and the left block and the right block are provided with grooves perpendicular to the separation space and serve as fixing grooves.

[0016] By adopting the above technical solution, the base consists of a base plate, a left block, and a right block. The left and right blocks are mounted on the base plate, forming a separation space between them. An extension plate extends from the opposite surfaces of the left and right blocks, dividing the separation space into a receiving groove and a slide. The notch in the middle of the extension plate connects the receiving groove and the slide. The grooves perpendicular to the separation space on the left and right blocks serve as fixing grooves, and the moving block slides within these fixing grooves. The base structure is rationally disassembled, facilitating processing, assembly, and maintenance. After the separation space is divided by the extension plate, the layout of the receiving groove and the slide is scientific, ensuring that the movements of each component do not interfere with each other. At the same time, the fixing groove provides a precise installation and sliding foundation for the moving block, adapting to the installation and use requirements of automated production lines.

[0017] The present invention is further configured such that: a fixed column is provided on the base plate and the fixed column is opposite to the fixed groove; a movable spring is provided between the fixed column and the movable block; and the tops of the left block and the right block are arc-shaped.

[0018] By adopting the above technical solution, the fixed posts on the base plate correspond to the fixed slots, and the movable spring is installed between the fixed posts and the movable block. The fixed posts provide positioning support for the movable spring. In its natural state, the movable spring pushes the movable block towards the receiving slot to fix the workpiece. When unlocking, the movable block compresses the movable spring and resets it towards the fixed posts. This improves the installation stability and force uniformity of the movable spring, ensuring that the movable spring can always provide a stable clamping force, avoiding clamping instability caused by spring offset or loosening, extending the service life of the spring, and ensuring the reliability and consistency of the fixture in long-term use. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of the present invention, including the lock housing and the dial.

[0020] Figure 2 This is a schematic diagram of the overall structure of the present invention without the lock housing and dial.

[0021] Figure 3 This is an exploded view of the entire utility model;

[0022] Figure 4 This is a cross-sectional view of the entire utility model.

[0023] In the diagram: 1. Base; 11. Base plate; 12. Left block; 13. Right block; 14. Receiving groove; 15. Fixing groove; 16. Slide rail; 17. Extension plate; 2. Moving block; 21. Upper moving block; 22. Lower moving block; 23. Extension part; 24. Auxiliary fixing part; 25. Sliding groove; 3. Moving spring; 31. Upper moving spring; 32. Lower moving spring; 4. Unlocking mechanism; 41. Unlocking rod; 42. Unlocking ramp; 5. Fixing column. Detailed Implementation

[0024] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0025] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do 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 a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0026] like Figures 1-4 As shown, this utility model discloses a non-powered clamp for a lock case and a dial, including a base 1, a movable block 2, a movable spring 3, and an unlocking mechanism 4. The base 1 has a receiving groove 14 for placing the lock case and the dial, and a fixing groove 15 is also provided on the base 1. The fixing groove 15 is horizontally perpendicular to the receiving groove 14 and extends to communicate with the receiving groove 14. The movable block 2 is slidably disposed in the fixing groove 15. The movable spring 3 is disposed on the movable block 2 and drives the movable block 2 to move towards the receiving groove 14. The movable block 2 and the movable spring 3 constitute a fixation of the lock case and the dial on the base 1. The unlocking mechanism 4 is disposed on the base 1 and has an unlocked state that drives the movable block 2 to move away from the receiving groove 14. In use, the lock case... The lock housing and the dial wheel are placed in the receiving groove 14 of the base 1. The moving spring 3 drives the moving block 2, which is slidably set in the fixed groove 15, to move towards the receiving groove 14. The lock housing and the dial wheel are stably fixed on the base 1 through the cooperation of the moving block 2 and the moving spring 3. When it is necessary to remove the workpiece, the unlocking mechanism 4 is operated to put it in the unlocked state. The unlocking mechanism 4 drives the moving block 2 to move away from the receiving groove 14, thereby releasing the fixation of the lock housing and the dial wheel. It does not rely on external power sources such as electricity or air supply, which simplifies the fixture structure, reduces manufacturing and maintenance costs, reduces energy consumption and failure risk, and can stably fix the lock housing and the dial wheel, providing a reliable guarantee for subsequent assembly operations and meeting the core requirements of lock cylinder assembly.

[0027] The unlocking mechanism 4 includes an unlocking rod 41. A slide rail 16 is provided on the base 1 for the unlocking rod 41 to slide. The slide rail 16 is located below and parallel to the receiving groove 14. The slide rail 16 communicates with the receiving groove 14 and the fixing groove 15. The unlocking rod 41 has an unlocking ramp 42. The moving block 2 has an extension 23 extending to the slide rail 16 and abutting against the unlocking ramp 42. The moving unlocking rod 41 drives the moving block 2. The unlocking rod 41 of the unlocking mechanism 4 is slidably disposed within the slide rail 16 of the base 1. The extension 23 of the moving block 2... The extension 23 extends into the slide 16 and abuts against the unlocking ramp 42 of the unlocking rod 41. When fixing the workpiece, the moving spring 3 drives the moving block 2 to fix the lock shell and the dial wheel. When unlocking, the unlocking rod 41 is pushed to move along the slide 16. The unlocking ramp 42, through its abutment with the extension 23, drives the moving block 2 to slide away from the receiving groove 14, thus completing the unlocking. The unlocking structure is compact, has good compatibility with the fixture body, and the unlocking operation is convenient and labor-saving. It can quickly switch between fixing and unlocking the workpiece, improving the efficiency of lock cylinder assembly.

[0028] The moving block 2 also includes an upper moving block 21 and a lower moving block 22, and the moving spring 3 also includes an upper moving spring 31 and a lower moving spring 32. The extension 23 is disposed on the lower moving block 22. The upper moving spring 31 and the upper moving block 21 constitute a fixation of the dial wheel, and the lower moving spring 32 and the lower moving block 22 constitute a fixation of the lock housing. After the workpiece is placed, the upper moving spring 31 drives the upper moving block 21 to clamp and fix the dial wheel, and the lower moving spring 32 drives the lower moving block 22 to clamp and fix the lock housing. When unlocking, the lower moving block 22 is driven by the unlocking rod 41, which simultaneously drives the upper moving block 21 to release the fixation. This achieves precise fixation of the lock housing and the dial wheel separately, solving the problem that existing non-powered fixtures cannot adapt to the high-precision synchronous fixation of the lock housing and the dial wheel, ensuring the relative positional accuracy of the two during assembly, and laying a good foundation for subsequent assembly processes.

[0029] The lower moving block 22 is provided with an auxiliary fixing part 24 extending into the dial groove of the lock housing and the auxiliary fixing part 24 is opposite to the dial. The auxiliary fixing part 24 has a linkage unlocking state that drives the upper moving block 21 to unlock. When the lower moving spring 32 drives the lower moving block 22 to fix the lock housing, the auxiliary fixing part 24 simultaneously forms an auxiliary limit on the dial in the dial groove. This further improves the overall fixing stability of the dial and the lock housing after assembly, avoids the dial from shifting in the dial groove during assembly, ensures assembly accuracy, and the ingenious structural design does not affect the placement and removal of the workpiece.

[0030] The lower moving block 22 is provided with a sliding groove 25 on its top for the upper moving block 21 to slide. The upper moving spring 31 drives the upper moving block 21 to move along the sliding groove 25 toward the dial wheel to achieve fixation. When unlocking, it resets synchronously along the sliding groove 25 as the lower moving block 22 moves. This provides a stable sliding guide for the upper moving block 21, ensuring that the clamping action of the upper moving block 21 on the dial wheel is accurate and stable, avoiding fixation failure or positioning deviation caused by the offset of the upper moving block 21, and improving the clamping reliability and service life of the fixture.

[0031] The base 1 includes a base plate 11, a left block 12, and a right block 13. The left block 12 and the right block 13 are mounted on the base plate 11, and there is a separation space between the left block 12 and the right block 13. An extension plate 17 extends from the opposite sides of the left block 12 and the right block 13, dividing the separation space into a receiving groove 14 and a slide rail 16. A notch is provided in the middle of the extension plate 17, which forms a connection between the receiving groove 14 and the slide rail 16. The left block 12 and the right block 13 are provided with grooves perpendicular to the separation space, which serve as fixing grooves 15. The base 1 is composed of a base plate 11, a left block 12, and a right block 13. The left block 12 and the right block 13 are mounted on the base plate 11, and a separation space is formed between them. An extension plate 17 is provided on the opposite side, which divides the separation space into a receiving groove 14 and a slide rail 16. The notch in the middle of the extension plate 17 connects the receiving groove 14 and the slide rail 16. The grooves perpendicular to the separation space on the left block 12 and the right block 13 serve as fixing grooves 15, and the moving block 2 is slidably installed in the fixing groove 15. The base 1 has a reasonable structure that facilitates processing, assembly and maintenance. After the separation space is divided by the extension plate 17, the layout of the receiving groove 14 and the slide rail 16 is scientific, ensuring that the movement of each component does not interfere with each other. At the same time, the setting of the fixing groove 15 provides a precise installation and sliding foundation for the moving block 2, which is suitable for the installation and use requirements of automated production lines.

[0032] A fixed post 5 is also provided on the base plate 11, and the fixed post 5 is opposite to the fixed groove 15. The movable spring 3 is located between the fixed post 5 and the movable block 2. The fixed post 5 on the base plate 11 corresponds to the fixed groove 15. The movable spring 3 is installed between the fixed post 5 and the movable block 2. The fixed post 5 provides positioning support for the movable spring 3. In its natural state, the movable spring 3 pushes the movable block 2 to move towards the receiving groove 14 to fix the workpiece. When unlocking, the movable block 2 compresses the movable spring 3 and resets it towards the fixed post 5. This improves the installation stability and force uniformity of the movable spring 3, ensures that the movable spring 3 can always provide a stable clamping force, avoids clamping instability caused by spring offset or loosening, extends the service life of the spring, and ensures the reliability and consistency of the fixture in long-term use.

[0033] Working process: When in use, after the lock case and dial wheel are placed in place, the moving spring 3 drives the moving block 2 to move closer to the workpiece, simultaneously clamping and fixing the lock case and dial wheel, while the auxiliary structure further limits the dial wheel; when it is necessary to remove the workpiece, operate the unlocking mechanism 4, and drive the moving block 2 to move away from the workpiece through the inclined plane transmission, releasing the fixing of the lock case and dial wheel, and completing the workpiece loading and unloading.

Claims

1. A non-powered clamp for a lock housing and a dial, characterized in that: The device includes a base (1), a movable block (2), a movable spring (3), and an unlocking mechanism (4). The base (1) is provided with a receiving groove (14) for placing the lock shell and the dial wheel. The base (1) is also provided with a fixing groove (15). The fixing groove (15) is horizontal and perpendicular to the receiving groove (14) and extends to communicate with the receiving groove (14). The movable block (2) is slidably disposed in the fixing groove (15). The movable spring (3) is disposed on the movable block (2) and drives the movable block (2) to move towards the direction of the receiving groove (14). The movable block (2) and the movable spring (3) constitute the fixing of the lock shell and the dial wheel on the base (1). The unlocking mechanism (4) is disposed on the base (1) and has an unlocked state that drives the movable block (2) to move away from the direction of the receiving groove (14).

2. The non-powered clamp for a lock housing and a dial according to claim 1, characterized in that: The unlocking mechanism (4) includes an unlocking rod (41), and a slide (16) is provided on the base (1) for the unlocking rod (41) to slide. The slide (16) is located below the receiving groove (14) and parallel to the receiving groove (14). The slide (16) is connected to the receiving groove (14) and the fixing groove (15). The unlocking rod (41) has an unlocking ramp (42). The moving block (2) has an extension (23) extending to the slide (16) and abutting against the unlocking ramp (42). The moving unlocking rod (41) constitutes a drive for the moving block (2).

3. A non-powered clamp for a lock housing and a dial according to claim 2, characterized in that: The movable block (2) further includes an upper movable block (21) and a lower movable block (22), and the movable spring (3) further includes an upper movable spring (31) and a lower movable spring (32). The extension (23) is disposed on the lower movable block (22). The upper movable spring (31) and the upper movable block (21) together fix the dial wheel, and the lower movable spring (32) and the lower movable block (22) together fix the lock housing.

4. A non-powered clamp for a lock housing and a dial according to claim 3, characterized in that: The lower moving block (22) is provided with an auxiliary fixing part (24) extending into the dial groove of the lock housing and the auxiliary fixing part (24) is opposite to the dial. The auxiliary fixing part (24) has a linkage unlocking state that drives the upper moving block (21) to unlock.

5. A non-powered clamp for a lock housing and a dial according to claim 3, characterized in that: The lower moving block (22) is provided with a sliding groove (25) on its top for the upper moving block (21) to slide.

6. A non-powered clamp for a lock housing and a dial according to claim 1, characterized in that: The base (1) includes a base plate (11), a left block (12) and a right block (13). The left block (12) and the right block (13) are disposed on the base plate (11) and there is a separation space between the left block (12) and the right block (13). An extension plate (17) is provided on the opposite side of the left block (12) and the right block (13). The extension plate (17) divides the separation space into a receiving groove (14) and a slide (16). A notch is provided in the middle of the extension plate (17) and it forms a connection between the receiving groove (14) and the slide (16). The left block (12) and the right block (13) are provided with grooves perpendicular to the separation space and serve as fixing grooves (15).

7. A non-powered clamp for a lock housing and a dial according to claim 6, characterized in that: The base plate (11) is also provided with a fixed column (5) and the fixed column (5) is opposite to the fixed groove (15), and the movable spring (3) is provided between the fixed column (5) and the movable block (2).

8. A non-powered clamp for a lock housing and a dial according to claim 6, characterized in that: The tops of the left block (12) and the right block (13) are arc-shaped.