A device for assembling lock spring and lock plate of automobile door lock cylinder

By designing a device for assembling lock plates and springs in automotive door lock cylinders, and using components such as brackets and cylinders to control the insertion of lock plates and springs, the problems of difficult assembly and uneven positioning of lock plates and springs are solved, achieving efficient and automated production.

CN115890234BActive Publication Date: 2026-02-06GUIZHOU HUACHANG AUTOMOBILE ELECTRIC APPLIANCES CO LTD
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Patent Information

Application Number
CN202211628890.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-12-18
Publication Date
2026-02-06
Estimated Expiration
2042-12-18

AI Technical Summary

Technical Problem

In the production of automotive lock cylinders, the automatic assembly of the lock plate and lock spring is difficult and prone to misalignment, resulting in uneven positioning, which affects assembly efficiency and product quality.

Method used

A device for assembling lock plates and springs in a car door lock cylinder has been designed, including a bracket, a long push plate seat, a cylinder, a magnetic induction switch, and auxiliary components. The movement of the push plate and push spring is controlled by the cylinder and the magnetic induction switch to ensure that the lock plate and spring are accurately inserted into the lock cylinder groove and to avoid impact.

Benefits of technology

It improved assembly efficiency, ensured product quality and consistency, reduced production costs, and laid the foundation for automated production lines.

✦ Generated by Eureka AI based on patent content.

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    Figure CN115890234B_ABST
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Abstract

The application discloses a device for assembling lock pieces and lock springs of a lock cylinder of an automobile door lock, and is characterized in that: the device comprises a support, a lock cylinder block (16) is arranged on the support, long push piece seats (1) are arranged on the left and right sides of the lock cylinder block (16) respectively, the long push piece seats (1) are connected with long push pieces (2) and lock piece guide groove blocks (3), the long push pieces (2) on the left and right sides are connected with left push piece air cylinders (5) and right push piece air cylinders (6) respectively, a magnetic induction switch (4) is arranged below the support, left lock piece passage blocks (8) and right lock piece lock spring passage blocks (11) are further arranged on the left and right sides of the lock cylinder block (16) respectively, left push spring mechanisms (7) and right push spring mechanisms (9) are arranged on the upside of the lock cylinder block (16) of the support, and an auxiliary assembly (10) is arranged on the downside of the lock cylinder block (16) of the support. The device improves production efficiency, guarantees product quality, reduces production cost, provides a basis for automatic flow production, and guarantees consistency of batch products.
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Citation Information

Patent Citations

  • Automobile lock cylinder automatic assembly equipment

    CN207447841U

  • Device for assembling lock plate and lock spring on lock cylinder of automobile door lock

    CN219212217U