Connector of bolt locking structure

By designing a connector with a bolt-locking structure and utilizing a pre-assembly design with floating gaskets and cantilever fasteners, the problem of cumbersome assembly of existing connectors is solved, achieving the effects of simplified assembly and improved reliability.

CN223471835UActive Publication Date: 2025-10-24AMPHENOL AUTOMOTIVE CONNECTION SYST CHANGZHOU CO LTD
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Patent Information

Application Number
CN202422589340.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-25
Publication Date
2025-10-24
Estimated Expiration
2034-10-25

AI Technical Summary

Technical Problem

Existing screw-type connectors are cumbersome to assemble, affecting their reliability and convenience.

Method used

Design a connector with a bolt-locking structure, including a socket housing assembly and a plug housing assembly. The plug power terminal is connected by ultrasonic welding of the cable. Pre-assembly is achieved by using floating washers and cantilever fasteners in the bolt assembly. The bolt assembly is integrally injection molded, simplifying the assembly process.

Benefits of technology

This simplifies the connector assembly process, avoids bolt loss, and improves assembly convenience and reliability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of connectors, in particular to a connector with a bolt locking structure. According to the connector with the bolt locking structure, a plug power supply terminal is connected with a socket power supply terminal through a bolt assembly arranged on a plug shell assembly, and the bolt assembly comprises a threaded fastener, an insulating rubber core and a shielding cover. The threaded fastener comprises a threaded connection section arranged at the lower end of the whole, a smooth screw section located above the threaded connection section and a connection section located above the smooth screw section and connected with the insulating rubber core, the upper end of the insulating rubber core is connected with the shielding cover, and a floating gasket is arranged on the smooth screw section. And the bolt assembly is clamped in a hole above the plug shell assembly through the floating gasket. The bolt assembly is designed and assembled in the connector in advance through the arranged floating gasket structure, additional hole alignment installation is not needed, meanwhile, the bolt cannot be lost, the structure of the bolt assembly is integrally formed through injection molding, the structure is simpler, and assembly is more convenient.
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Description

Technical Field

[0001] The utility model relates to a connector, in particular to a connector with a bolt locking structure. Background Art

[0002] With the rapid development of new energy vehicles, connectors, as core components connecting various automotive electrical components, are becoming increasingly important in terms of reliability and ease of assembly. Screw-type connectors have gained customer trust due to their reliability. However, these connectors are more complex to assemble. Utility Model Content

[0003] The utility model aims to solve the above-mentioned defects and provides a connector with a bolt locking structure.

[0004] In order to overcome the defects existing in the background technology, the technical solution adopted by the present invention to solve its technical problems is: the connector with a bolt locking structure includes a socket shell assembly and a plug shell assembly, the plug power terminal is inserted into the plug shell assembly, the cable is ultrasonically welded on the plug power terminal, the socket power terminal is inserted into the socket shell assembly, and the plug power terminal is connected to the socket power terminal through a bolt assembly arranged on the plug shell assembly, the bolt assembly includes a threaded fastener, an insulating rubber core and a shielding cover, the threaded fastener includes a threaded connection section arranged at the lower end of the whole, a smooth screw section located above the threaded connection section and a connection section connected to the insulating rubber core located above the smooth screw section, the upper end of the insulating rubber core is connected to the shielding cover, a floating gasket is provided on the smooth screw section, and the bolt assembly is clamped in the hole above the plug shell assembly through the floating gasket.

[0005] According to another embodiment of the present invention, a cantilever buckle point is further provided in the hole above the plug housing assembly, and the floating gasket is clamped below the cantilever buckle point.

[0006] According to another embodiment of the present invention, the screw hole on the shielding cover is in an inner plum blossom shape, an outer hexagonal shape or an inner hexagonal shape.

[0007] According to another embodiment of the present invention, the upper end of the connecting section of the threaded fastener connected to the insulating rubber core is provided with a hexagonal inner hole, a cross-shaped inner hole or an outer hexagonal outer hole.

[0008] According to another embodiment of the present invention, there are three cantilever buckle points, a gap is provided between one side of the cantilever buckle point and the inner wall of the hole above the plug shell assembly, and the other side of the end of the cantilever buckle point has a convex point with a smooth transition.

[0009] According to another embodiment of the utility model, further include the plug power terminal is clamped in the plug shell assembly.

[0010] According to another embodiment of the utility model, further include the plug power terminal is clamped in the plug shell assembly.

[0011] The utility model discloses the beneficial effect is: this bolt lock attached structure's connector designs bolt assembly, and the floating gasket structure that is set makes it preassembled in the connector, need not additionally to the hole installation, and the bolt also can not lose, and the structure of bolt assembly is integrally injection moulded, and the structure is simpler, and the assembly is more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0012] The utility model is further illustrated below in combination with the drawings and examples.

[0013] Figure 1 It is the structure schematic diagram of the utility model explosion map;

[0014] Figure 2 It is the structure schematic diagram of bolt assembly explosion map;

[0015] Figure 3 It is the structure schematic diagram of plug shell assembly overhead view;

[0016] Figure 4 It is the structure schematic diagram of plug shell assembly section view;

[0017] Figure 5 It is the structure schematic diagram of bolt assembly in plug shell assembly;

[0018] Figure 6 It is the structure schematic diagram of the utility model section view;

[0019] Wherein: 1, socket power terminal, 2, socket shell assembly, 3, plug shell assembly, 4, bolt assembly, 5, plug power terminal, 6, ultrasonic welding cable, 7, threaded fastener, 8, insulating rubber core, 9, shield cover, 10, sealing ring, 11, floating gasket, 12, cantilever buckle point. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantage of the utility model embodiment more clear, the technical scheme in the utility model embodiment will be clearly and completely described below in combination with the utility model embodiment, obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiment. The embodiment in the basic utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the range of protection of the utility model.

[0021] As Figure 1、 6 As shown in the figure, the figure includes the socket housing assembly 2 and the plug housing assembly 3, the plug housing assembly 3 is insertedly connected with the plug power terminal 5, the plug power terminal 5 is connected with the cable 6 through ultrasonic welding, the socket housing assembly 2 is insertedly connected with the socket power terminal 1, the plug power terminal 5 is connected with the socket power terminal 1 through the bolt assembly 4 arranged on the plug housing assembly 3, the bolt assembly 4 includes the threaded fastener 7, the insulating rubber core 8 and the shielding cover 9, the threaded fastener 7 includes the threaded connection section arranged at the overall lower end, the smooth screw section above the threaded connection section and the connection section above the smooth screw section connected with the insulating rubber core 8, the upper end of the insulating rubber core 8 is connected with the shielding cover 9, the floating gasket 11 is arranged on the smooth screw section, the bolt assembly 4 is clamped in the hole above the plug housing assembly 3 through the floating gasket 11. The bolt assembly 4 is the connector of the plug power terminal 5 in the plug housing assembly 3 and the socket power terminal 1 in the socket housing assembly 2, which is pre-installed on the plug housing assembly 3, the floating gasket 11 on the bolt assembly 4 is clamped in the plug housing assembly 3, after clamping, the bolt assembly 4 is fastened in the hole above the plug housing assembly 3, the plug power terminal 5 is pre-assembled in the plug housing assembly 3, the socket power terminal 1 is also pre-assembled in the socket housing assembly 2, the connecting hole at the front end of the plug power terminal 5 corresponds to the connecting hole at the upper end of the socket power terminal 1, after clamping the bolt assembly 4, the connecting hole at the front end of the plug power terminal 5 is located above, when assembling is needed, only the bolt assembly 4 needs to be tightened.

[0022] Preferably, the threaded fastener 7, the insulating rubber core 8 and the shielding cover 9 are integrally injection molded, a sealing ring 10 is further arranged between the insulating rubber core 8 and the shielding cover 9, and the sealing ring 10 is located in the groove arranged on the shielding cover 9. The upper end of the connection section of the threaded fastener 7 connected with the insulating rubber core 8 is provided with a hexagonal inner hole, a cross-shaped inner hole or an outer hexagonal outer hole, after integrally injection molding of the threaded fastener 7, the insulating rubber core 8 and the shielding cover 9, through the arrangement of the shapes of the inner and outer holes, the contact area of the threaded fastener 7 and the insulating rubber core 8 can be larger, so as to achieve the purpose of stronger anti-torsion ability.

[0023] Preferably, the threaded hole on the shielding cover 9 is arranged in an inner clover shape, an outer hexagonal shape or an inner hexagonal shape, which can adapt to the use of various screwdrivers.

[0024] Preferably, in order to pre-clamp the bolt assembly 4 on the plug housing assembly 3 and facilitate later assembly, the cantilever buckle point 12 is arranged in the hole above the plug housing assembly 3, and the floating gasket 11 is clamped below the cantilever buckle point 12, so as to achieve the purpose of pre-assembly.

[0025] In order to make the card set effect better, preferably, the number of the cantilever buckle points 12 is set to three, the side of the cantilever buckle point 12 to the inner wall of the hole above the plug shell assembly 3 has a gap, and the other side of the end of the cantilever buckle point 12 has a convex point with a smooth transition. The purpose of setting the gap is that the cantilever buckle point 12 has elasticity under the pressure of the floating gasket 11, and the floating gasket 11 can better pass the convex point and be clamped below the cantilever buckle point 12.

[0026] In the preferred embodiment, the socket power terminal 1 is clamped in the socket shell assembly 2, and the plug power terminal 5 is also clamped in the plug shell assembly 3. The clamping structure is convenient for plugging and unplugging, and assembly is more convenient.

[0027] Through the structural design of the bolt assembly 4, the bolt assembly 4 is pre-set in the connector, so that the bolt assembly 4 does not need to be additionally installed in the hole, and the bolt assembly 4 will not be lost.

[0028] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this. Any person skilled in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, and all of them should be covered in the protection scope of the utility model.

Claims

1. A connector of a screw locking structure, comprising a socket housing assembly (2) and a plug housing assembly (3), a plug power terminal (5) is insertedly connected in the plug housing assembly (3), a cable (6) is welded on the plug power terminal (5) by ultrasonic wave, a socket power terminal (1) is insertedly connected in the socket housing assembly (2), characterized in that: The plug power terminal (5) is connected to the socket power terminal (1) via a bolt assembly (4) provided on the plug shell assembly (3); the bolt assembly (4) comprises a threaded fastener (7), an insulating rubber core (8) and a shielding cover (9); the threaded fastener (7) comprises a threaded connection section provided at the lower end of the whole, a smooth screw section located above the threaded connection section, and a connection section connected to the insulating rubber core (8) located above the smooth screw section; the upper end of the insulating rubber core (8) is connected to the shielding cover (9); a floating gasket (11) is provided on the smooth screw section; the bolt assembly (4) is clamped in a hole above the plug shell assembly (3) via the floating gasket (11).

2. A connector for a bolted joint according to claim 1, wherein: The threaded fastener (7), the insulating rubber core (8) and the shielding cover (9) are integrally injection-molded, and a sealing ring (10) is provided between the insulating rubber core (8) and the shielding cover (9), and the sealing ring (10) is located in a groove provided on the shielding cover (9).

3. A connector for a bolted joint according to claim 2, wherein: The screw hole on the shielding cover (9) is in an inner plum blossom shape, an outer hexagonal shape, or an inner hexagonal shape.

4. A connector for a bolted joint according to claim 1, wherein: The upper end of the connection section of the threaded fastener (7) connected to the insulating rubber core (8) is provided with a hexagonal inner hole, a cross-shaped inner hole or an outer hexagonal outer hole.

5. A connector for a bolted joint according to claim 1, wherein: A cantilever buckle point (12) is provided in the hole above the plug housing assembly (3), and the floating gasket (11) is clamped below the cantilever buckle point (12).

6. A connector for a bolted joint according to claim 5, wherein: There are three cantilever buckle points (12), a gap is provided between one side of the cantilever buckle point (12) and the inner wall of the hole above the plug housing assembly (3), and the other side of the end of the cantilever buckle point (12) has a convex point with a smooth transition.

7. A connector for a bolted joint according to claim 1, wherein: The socket power terminal (1) is snap-connected in the socket housing assembly (2).

8. A connector for a bolted joint according to claim 1, wherein: The plug power terminal (5) is snap-fitted into the plug housing assembly (3).