断路器

By using positioning components and limiting structures in the base and faceplate, the problems of cumbersome fixing and easy loosening of secondary connectors in traditional circuit breakers are solved, simplifying operation and ensuring a stable connection, thereby improving the assembly efficiency of circuit breakers and the reliability of electrical connections.

CN224519826UActive Publication Date: 2026-07-17NOARK ELECTRICS (SHANGHAI) CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
NOARK ELECTRICS (SHANGHAI) CO LTD
Filing Date
2025-08-11
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Traditional circuit breakers use screws to fix the secondary connectors, which is cumbersome and prone to loosening, leading to unstable electrical connections and affecting the normal operation of the system.

Method used

The design employs a base and faceplate, and achieves a stable connection of the wiring module through positioning components and limiting structures, eliminating the need for screw fixing. The use of plug-in and limiting rib structures ensures the stability and reliability of the wiring module in the circuit breaker.

Benefits of technology

It simplifies the operation steps, improves assembly efficiency and connection stability, avoids poor contact and electrical faults caused by loosening, and enhances the safety and overall quality of the power environment.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224519826U_ABST
    Figure CN224519826U_ABST
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Abstract

本实用新型属于低压电器技术领域,公开了断路器。该断路器包括基座、接线模块和面罩,所述基座上设置有第一定位部;接线模块包括壳体,所述壳体上设有第一插线端子和第二定位部,所述第一定位部与所述第二定位部连接;所述面罩的接线壁上设置有避让开口,所述面罩内设置有与所述接线壁平行且间隔的限位支撑部,所述面罩扣设于所述基座上,壳体置于所述限位支撑部与所述接线壁之间,且所述壳体与所述避让开口对应设置。本实用新型不仅便于用户进行二次接线,而且无需采用螺钉等紧固件,也可以将接线模块装配到断路器上。
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Claims

1. A circuit breaker characterized by, include: A base (1) is provided with a first positioning part (12); The wiring module (2) includes a housing (22), on which a first plug terminal (21) and a second positioning part (221) are provided, and the first positioning part (12) is connected to the second positioning part (221); The mask (3) has an avoidance opening (32) on its wiring wall (31). The mask (3) has a limiting support part (33) that is parallel to and spaced apart from the wiring wall (31). The mask (3) is fastened to the base (1). The housing (22) is placed between the limiting support part (33) and the wiring wall (31), and the housing (22) is correspondingly arranged with the avoidance opening (32).

2. The circuit breaker of claim 1, wherein, One of the first positioning part (12) and the second positioning part (221) is a positioning post, and the other of the first positioning part (12) and the second positioning part (221) is a positioning hole, and the positioning post is inserted into the positioning hole.

3. The circuit breaker of claim 1, wherein, The side wall of the housing (22) is provided with a first limiting rib (222) extending in a first direction. The first limiting rib (222) abuts against the wiring wall (31) of the mask (3). The end of the housing (22) away from the avoidance opening (32) abuts against the limiting support part (33).

4. The circuit breaker of claim 1, wherein, The mask (3) is provided with a limiting step (34), and the side wall of the shell (22) is provided with a second limiting rib (223) extending in the second direction. The upper end face of the second limiting rib (223) stops at the lower end face of the limiting step (34), and the lower end face of the second limiting rib (223) abuts against the limiting support (33).

5. The circuit breaker of claim 4, wherein, The sidewall of the housing (22) is provided with a plurality of second limiting ribs (223), and the plurality of second limiting ribs (223) are arranged at intervals along a third direction.

6. The circuit breaker of claim 1, wherein, The housing (22) is a receiving cavity with one side through. The bottom of the receiving cavity is provided with an opening (224). The first plug terminal (21) is placed in the receiving cavity and is provided corresponding to the opening (224). The housing (22) is provided with a mounting post (225). The first plug terminal (21) is connected to the mounting post (225) by a fastener (23).

7. The circuit breaker of claim 6, wherein, The mounting post (225) is provided with a first connecting hole (226), and the two ends of the first plug terminal (21) are respectively provided with connecting plates. The connecting plates are provided with a second connecting hole (211), and the fastener (23) passes through the second connecting hole (211) and connects to the first connecting hole (226).

8. The circuit breaker of claim 6, wherein, The outer surface of the side wall of the housing (22) with the opening is recessed with a nameplate mounting groove (227).

9. The circuit breaker of claim 6, wherein, The bottom of the cavity is provided with intersecting reinforcing ribs (228).

10. The circuit breaker of any of claims 1-9, wherein, The cross-sectional shape of the housing (22) is adapted to the shape of the clearance opening (32).