Anti-drop high-voltage electric connector

By using a threaded connection and worm gear drive design, the problem of poor contact caused by loose nuts in cable connectors is solved, achieving stable fixation and anti-detachment of high-voltage cables.

CN223809339UActive Publication Date: 2026-01-16SHENZHEN ANRUI NEW ENERGY TECH CO LTD
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Patent Information

Application Number
CN202520229190.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-13
Publication Date
2026-01-16
Estimated Expiration
2035-02-13

AI Technical Summary

Technical Problem

During use, the nuts on existing cable connectors are prone to loosening, causing the cable to move inside the housing and resulting in poor contact.

Method used

It adopts a threaded connection and worm gear drive method. The threaded rod drives the threaded tube and the pressure plate to move, thereby fixing the high-voltage cable. The worm gear drive has a self-locking function to prevent reverse rotation.

Benefits of technology

This ensures a stable connection of the high-voltage cable, prevents it from falling off, and guarantees a stable connection between the cable and the terminals inside the connector, avoiding poor contact.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an anti-drop high-voltage electric connector, which comprises a male joint and a female joint, the two ends of the male joint and the female joint are respectively provided with a plug wire hole, the inner cavities of the tops of the male joint and the female joint are respectively provided with a mounting groove, the inner cavity of the plug wire hole located in the inner cavity of the male joint is fixedly connected with a male wiring terminal, and the inner cavity of the plug wire hole located in the inner cavity of the female joint is fixedly connected with a female wiring terminal. Inner cavities of the wire plugging holes located in the inner cavity of the female plug are fixedly connected with female wiring terminals, and pressing plates are arranged at the tops of the inner cavities of the wire plugging holes. According to the utility model, the male joint and the female joint can be conveniently and rapidly connected by adopting a threaded connection mode, and the transmission assembly can be driven to move by adopting a transmission mode of the worm gear and the worm, so that the clamping plate can be driven to move downwards to fix a high-voltage cable; and transmission between the worm gear and the worm has a self-locking function, and the phenomenon of reverse rotation is avoided, so that the connection stability can be ensured, the phenomenon of separation is avoided, and great convenience is brought to daily use.
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Description

TECHNICAL FIELD

[0001] The utility model relates to high -voltage electric connector technical field, concretely is a kind of high-voltage electric connector of anti -drop. BACKGROUND

[0002] With the development of economy, energy and environmental protection problem is increasingly prominent, all countries gradually turn their attention to the electric vehicle of environmental protection and energy saving.Currently, electric vehicle needs to use cable connector in large quantities.The cable connector structure in prior art is as follows: nut is arranged in the shell port of the cable insertion end and is threadedly connected with the port, and taper sleeve is arranged between the shell inner hole and the cable fitted therein.Tighten the nut, and extrude the taper sleeve, on the one hand, the taper sleeve tightens the cable, and the cable is fixed relative to the shell.

[0003] But the connector of this structure has the following defects: in the process of use, the nut is easy to loosen, one is to lose the fixing effect on the cable, the cable moves in the shell, causes the cable and the terminal connection place in the connector shell to loosen, and generates the phenomenon of poor contact, so a kind of high-voltage electric connector of anti -drop needs to be designed. CONTENT OF UTILITY MODEL

[0004] The utility model is aimed at providing a kind of high-voltage electric connector of anti -drop, with the advantage of anti -drop, solve the problem raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of high-voltage electric connector of anti -drop, including male connector and female connector, the both ends of the male connector and female connector are all provided with wire insertion hole, the top of the male connector and female connector is all provided with installation slot in inner cavity, the inner cavity of wire insertion hole in the inner cavity of male connector is fixedly connected with male terminal, the inner cavity of wire insertion hole in the inner cavity of female connector is fixedly connected with female terminal;

[0006] The inner cavity top of wire insertion hole is all provided with pressure holding plate, the front and rear ends of the top of pressure holding plate are all fixedly connected with threaded tube, the top of threaded tube is penetrated to the inner cavity of installation slot, the inner cavity of threaded tube is threadedly connected with threaded rod, the top of threaded rod is fixedly connected with the inner wall of installation slot by bearing, the top of the surface of threaded rod is fixedly connected with driven bevel gear, the surface of driven bevel gear is engaged with driving bevel gear, driving bevel gear is fixedly connected between two driving bevel gears, the both ends of transmission shaft are all fixedly connected with the inner wall of installation slot by bearing seat, the surface of transmission shaft is fixedly connected with worm wheel, the bottom of worm wheel is engaged with worm, the other end of worm is penetrated to the outside of male connector and female connector.

[0007] Preferably, the surface of male connector is provided with external thread, and the inner wall of female connector is provided with internal thread matched with the external thread.

[0008] Preferably, the plug hole is divided into a live plug hole and a zero plug hole, and the pressing plate is made of insulating material.

[0009] Preferably, the inner cavity of the mounting groove is provided with a through hole, the worm extends to the inner cavity of the mounting groove through the through hole, and one end of the worm is fixedly connected with the inner wall of the mounting groove through a bearing.

[0010] Preferably, a hexagonal counterbore is arranged at one end of the worm outside, and worm gears are arranged at both ends of the worm for cooperation with the worm wheel.

[0011] Preferably, rectangular holes are arranged at four corners of the inner cavity of the mounting groove, the threaded tube is slidingly connected to the inner cavity of the rectangular hole, and the threaded tube is designed in a rectangular shape.

[0012] Preferably, the bottom of the male terminal and the female terminal is designed in a semicircular arc plate, and the high-voltage cable is in contact with the inner wall of the semicircular arc plate after being stripped.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1. The male joint and the female joint are connected conveniently and quickly through the threaded connection mode, the transmission assembly is driven to move through the transmission mode of the worm wheel and the worm, the clamping plate is driven to move downward to fix the high-voltage cable, the transmission between the worm wheel and the worm has the self-locking function and cannot be reversed, the stability of the connection is ensured, the disconnection phenomenon does not occur, and great convenience is brought to daily use.

[0015] 2. The worm is installed conveniently through the through hole, the worm is driven to rotate through the hexagonal counterbore and external tools, the threaded tube is limited through the rectangular hole and cooperation with the rectangular threaded tube, and the threaded tube cannot rotate with the threaded rod. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the utility model;

[0017] Figure 2 It is a structural overhead sectional view of the utility model;

[0018] Figure 3 It is a connection structure schematic view of the male joint and the female joint of the utility model;

[0019] Figure 4 It is a sectional view of the connection structure of the male joint and the female joint of the utility model;

[0020] Figure 5The utility model discloses male terminal and female terminal connection structure schematic diagram.

[0021] In the drawing: 1, male connector;2, female connector;3, plug hole;4, installation slot;5, male terminal;6, female terminal;7, pressure holding plate;8, threaded tube;9, threaded rod;10, driven bevel gear;11, driving bevel gear;12, transmission shaft;13, worm wheel;14, worm. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative work fall within the protection scope of the utility model.

[0023] The components of the utility model are all general standard components or components known by the person skilled in the art, and their structure and principle can be known by the person skilled in the art through technical manual or through conventional experimental method.

[0024] Embodiment one:

[0025] Please refer to Figures 1-5 , in order to reach the purpose of quick connection, the following technical scheme is provided, specifically discloses: a kind of high voltage connector of anti-falling, including male connector 1 and female connector 2, the both ends of male connector 1 and female connector 2 are all provided with plug hole 3, the top of male connector 1 and female connector 2 is all provided with installation slot 4 in cavity, the cavity of plug hole 3 in the cavity of male connector 1 is fixedly connected with male terminal 5, the cavity of plug hole 3 in the cavity of female connector is fixedly connected with female terminal 6, the surface of male connector 1 is provided with external thread, the inner wall of female connector 2 is provided with internal thread matched with external thread, plug hole 3 is divided into live wire plug hole and zero line plug hole, pressure holding plate 7 is made of insulating material, the bottom of male terminal 5 and female terminal 6 is designed with semicircular arc plate, high voltage cable is contacted with the inner wall of semicircular arc plate after peeling.

[0026] Embodiment two:

[0027] Please refer to Figures 1-5In order to achieve the purpose of preventing falling, the embodiment provides the following technical scheme, and specifically discloses that the inner cavity top of the wire insertion hole 3 is provided with a pressing plate 7, the front and rear ends of the top of the pressing plate 7 are fixedly connected with threaded pipes 8, the top of the threaded pipe 8 penetrates into the inner cavity of the mounting groove 4, the inner cavity of the threaded pipe 8 is threadedly connected with a threaded rod 9, the top of the threaded rod 9 is fixedly connected with the inner wall of the mounting groove 4 through a bearing, the top of the surface of the threaded rod 9 is fixedly connected with a driven bevel gear 10, the surface of the driven bevel gear 10 is engaged with a driving bevel gear 11, the two driving bevel gears 11 are fixedly connected with a transmission shaft 12, the two ends of the transmission shaft 12 are fixedly connected with the inner wall of the mounting groove 4 through bearing seats, the surface of the transmission shaft 12 is fixedly connected with a worm wheel 13, the bottom of the worm wheel 13 is engaged with a worm 14, the other end of the worm 14 penetrates into the outside of the male connector 1 and the female connector 2, the inner cavity of the mounting groove 4 is provided with a through hole, the worm 14 extends into the inner cavity of the mounting groove 4 through the through hole, and one end of the worm 14 is fixedly connected with the inner wall of the mounting groove 4 through a bearing, the end of the worm 14 located outside is provided with an internal hexagonal counterbore, the two ends of the worm 14 are provided with worm teeth for cooperating with the worm wheel 13, the four corners of the inner cavity of the mounting groove 4 are provided with rectangular holes, the threaded pipe 8 is slidingly connected in the inner cavity of the rectangular hole, and the threaded pipe 8 is designed in a rectangular shape, the through hole can facilitate the installation of the worm 14, the internal hexagonal counterbore can drive the worm 14 to rotate through an external tool, and the rectangular hole can cooperate with the rectangular threaded pipe 8 to limit the threaded pipe 8, so that the threaded pipe 8 cannot rotate with the threaded rod 9.

[0028] The control mode of the utility model is automatically controlled through the controller, and the control circuit of the controller can be realized through simple programming of the person skilled in the art, which belongs to the common knowledge in the field, and the utility model is mainly used for protecting the mechanical device, so the control mode and the circuit connection of the utility model will not be explained in detail.

[0029] In use, after the high-voltage cable is stripped, it is inserted into the inner cavity of the wire insertion hole 3, so that the cable core is in contact with the inner walls of the male terminal 5 and the female terminal 6, then the worm 14 can be rotated by inserting an external tool into the inner cavity of the internal hexagonal counterbore, the worm 14 drives the worm wheel 13 to rotate, the worm wheel 13 drives the transmission shaft 12 to rotate, the transmission shaft 12 drives the driving bevel gear 11 to rotate, the driving bevel gear 11 drives the driven bevel gear 10 to rotate, the driven bevel gear 10 drives the threaded rod 9 to rotate, the threaded rod 9 drives the threaded pipe 8 to move downward, the threaded pipe 8 drives the pressing plate 7 to move downward, so that the cable core is clamped and fixed, and the male terminal 5 and the female terminal 6 are fixedly connected together, then the male connector 1 and the female connector 2 can be threadedly connected together through the external thread and the internal thread.

[0030] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An anti-pullout high voltage electrical connector comprising a male contact (1) and a female contact (2), characterized in that: The plug (1) and the female connector (2) are provided with wire insertion holes (3) at both ends, and the top of the plug (1) and the female connector (2) is provided with an installation groove (4) in the inner cavity, the inner cavity of the wire insertion hole (3) in the plug (1) is fixedly connected with a male terminal (5), and the inner cavity of the wire insertion hole (3) in the female connector is fixedly connected with a female terminal (6). The inner cavity of the wire insertion hole (3) is provided with a pressing plate (7) at the top, the front and rear ends of the top of the pressing plate (7) are fixedly connected with threaded pipes (8), the top of the threaded pipe (8) penetrates into the inner cavity of the installation groove (4), the inner cavity of the threaded pipe (8) is threadedly connected with a threaded rod (9), the top of the threaded rod (9) is fixedly connected with the inner wall of the installation groove (4) through a bearing, the top of the surface of the threaded rod (9) is fixedly connected with a driven bevel gear (10), the surface of the driven bevel gear (10) is engaged with a driving bevel gear (11), the two driving bevel gears (11) are fixedly connected with a transmission shaft (12), the two ends of the transmission shaft (12) are fixedly connected with the inner wall of the installation groove (4) through a bearing seat, the surface of the transmission shaft (12) is fixedly connected with a worm wheel (13), the bottom of the worm wheel (13) is engaged with a worm (14), and the other end of the worm (14) penetrates to the outside of the plug (1) and the female connector (2).

2. The anti-pullout high voltage electrical connector of claim 1, wherein: The surface of the plug (1) is provided with external threads, and the inner wall of the female connector (2) is provided with internal threads matched with the external threads.

3. The anti-pullout high voltage electrical connector of claim 1, wherein: The wire insertion hole (3) is divided into a live wire insertion hole and a zero wire insertion hole, and the pressing plate (7) is made of an insulating material.

4. The anti-pullout high voltage electrical connector of claim 1, wherein: The inner cavity of the installation groove (4) is provided with a through hole, the worm (14) extends to the inner cavity of the installation groove (4) through the through hole, and one end of the worm (14) is fixedly connected with the inner wall of the installation groove (4) through a bearing.

5. The anti-pullout high voltage electrical connector of claim 1, wherein: The end of the worm (14) located outside is provided with an internal hexagonal counterbore, and the two ends of the worm (14) are provided with worm teeth matched with the worm wheel (13).

6. The anti-pullout high voltage electrical connector of claim 1, wherein: The inner cavity of the installation groove (4) is provided with a rectangular hole at four corners, the threaded pipe (8) is slidingly connected in the inner cavity of the rectangular hole, and the threaded pipe (8) is designed in a rectangular shape.

7. The anti-pullout high voltage electrical connector of claim 1, wherein: The bottom of the male terminal (5) and the female terminal (6) is designed in a semicircular arc plate.