CN219371550U

CN219371550U - Split type high-voltage high-current connector for preventing metal grinding powder

Info

Publication number: CN219371550U
Application number: CN202223370699.XU
Authority: CN
Inventors: 韩永杰; 刘钧; 刘贵立
Original assignee: Shanghai Weimeisi New Energy Co ltd
Current assignee: Shanghai Weimeisi New Energy Co ltd
Priority date: 2022-12-15
Filing date: 2022-12-15
Publication date: 2023-07-18
Anticipated expiration: 2032-12-15

Abstract

The utility model discloses a split high-voltage high-current connector capable of preventing metal from being milled, which comprises a plug and a socket, wherein the plug comprises a plug shell, a plug busbar arranged in the plug shell, and a plug screw hole is formed in the end part of the plug busbar; the socket comprises a socket shell, a socket busbar arranged in the socket shell, and socket screw holes arranged at the end parts of the socket busbar; after the plug and the socket are plugged, the end part of the plug busbar is tightly attached to the end part of the socket busbar, and the connecting bolt penetrates through the plug screw hole and the socket screw hole to fixedly connect the plug busbar and the socket busbar; according to the utility model, the copper bar is wrapped in the plastic by using the plastic wrapping mold, the original contact mode of the elastic sheets of the socket and the plug is changed, and the conductive contact bodies are fixed by using the bolts, so that the problems of grinding and increasing contact resistance can be avoided during high-strength vibration, and the problems of grinding of the conductive layer of the connector and drifting everywhere of the powder of the shielding layer are effectively solved.

Description

Split type high-voltage high-current connector for preventing metal grinding powder

Technical Field

The utility model relates to the technical field of electric automobiles, in particular to a plastic split type (a split plug and a socket assembly) high-voltage high-current connector capable of preventing metal from being ground.

Background

With the development of the electric automobile industry, new energy automobiles are increasingly heavy in market share, and the product quality of core parts of the new energy automobiles such as electric control, batteries, motors and the like is continuously improved. The electric control is an important part in the new energy automobile, and is a control type functional product assembled by a plurality of parts. The high-voltage high-current connector is one of a plurality of products, and plays a role in current transmission. At present, a plurality of high-voltage and high-current connectors are used on hybrid vehicles, pure electric vehicles and the like in a quick-plug mode (products of manufacturers such as Taike, an Feinuo, an Bofu and the like), and the current connectors are divided into two components, namely a socket and a plug. The socket consists of a plastic shell, a metal shielding layer, a metal conducting layer and the like, and the plug is in contact with the shielding layer and the conducting layer corresponding to the socket in a structure form of an elastic sheet, so that current is transmitted.

When the hybrid motor vehicle type is used for fast inserting a high-voltage high-current connector, the frequent and long-term use can lead to friction between a shielding layer and a conductive layer between a plug and a socket, and black powder is easy to generate. The conducting layer and the shielding layer of the socket are fixed on the shell in a crimping mode, a large gap is reserved between the shell and the shielding layer and between the shell and the conducting layer, and the generated ferrous metal powder easily floats into the shell from the gap and is easy to generate short circuit risk after encountering the conductor. The plug and the socket are contacted by the elastic sheet, after the plug and the socket are rubbed, the conductive contact surface is not in an initial state, the contact resistance is increased, the current transmission efficiency is poor, and the conductive position of the connector is in risk of overhigh temperature and the like.

Therefore, how to design a high-voltage high-current connector which has good and reliable conductivity, small contact resistance and can avoid grinding powder, and meanwhile, the grinding powder can not float into the equipment is a technical problem to be solved in the industry.

Disclosure of Invention

In order to solve the defects in the prior art, the utility model provides a split type high-voltage high-current connector for preventing metal from being ground.

The technical scheme includes that the split type high-voltage high-current connector capable of preventing metal from being ground comprises a plug and a socket, wherein the plug comprises a plug shell, a plug busbar arranged in the plug shell, a plug screw hole II is formed in the end portion of the plug busbar, the socket comprises a socket shell, a socket busbar arranged in the socket shell, a socket screw hole II is formed in the end portion of the socket busbar, after the plug and the socket are connected in an inserted mode, the end portion of the plug busbar is tightly attached to the end portion of the socket busbar, and a connecting bolt penetrates through the plug screw hole and the socket screw hole to fixedly connect the plug busbar with the socket busbar.

The socket busbar is vertically installed, the end parts of the socket busbar are bent and kept horizontal, the end parts of the socket screw holes upwards and the two socket screw holes upwards are kept horizontal, the plug screw holes are screw holes, the plug screw holes are through holes, and the connecting bolts penetrate through the plug screw holes from top to bottom and are in threaded connection with the socket screw holes.

The top of the plug shell is provided with the movable cover plate, and the connecting bolt can be operated by lifting the movable cover plate.

The periphery of the female row of plug is equipped with a barrel-shaped plug shield cover, the one end of plug shield cover is fixed two in the plug shell the periphery of the female row of socket is equipped with a barrel-shaped socket shield cover, the one end of socket shield cover is fixed two in the socket shell the other end of plug shield cover can peg graft with the other end of socket shield cover, the plug shield cover or be equipped with bellied shell fragment on the lateral wall of socket shield cover, can make two shield covers well contact.

The bottom of the socket shell is connected with the mounting plate, and four corners of the mounting plate are provided with mounting holes so as to facilitate the socket to be mounted on the equipment shell by using screws to penetrate through the mounting holes.

The inner sealing ring and the outer sealing ring are arranged on one surface of the mounting plate, facing the equipment shell; the inner sealing ring is arranged on the inner side, and the socket busbar can penetrate through the inner sealing ring to be connected with a circuit in the equipment shell; the outer sealing ring is arranged close to the outer edge of the mounting plate; the socket shielding sleeve falls between the inner sealing ring and the outer sealing ring in the plumb direction.

The end part of the plug busbar, which is away from the plug screw hole, is connected with the power transmission cable.

The plug comprises a plug shell, a socket shell and a locking device, wherein the locking device is arranged between the plug shell and the socket shell and comprises a handle hinged to the outer side wall of the plug shell and a sliding column fixed on the outer side wall of the socket shell.

The technical scheme provided by the utility model has the beneficial effects that:

according to the utility model, the copper bar is wrapped in the plastic by using the plastic wrapping mold, the original contact mode of the elastic sheets of the socket and the plug is changed, and the conductive contact bodies are fixed by using the bolts, so that the problems of grinding and increasing contact resistance can be avoided during high-strength vibration, and the problems of grinding of the conductive layer of the connector and drifting everywhere of the powder of the shielding layer are effectively solved.

Drawings

The utility model is described in detail below with reference to examples and figures, wherein:

FIG. 1 is an exploded view of a preferred embodiment;

FIG. 2 is a top view of the preferred embodiment with the removable cover 5 removed;

FIG. 3 is a top view of the removable cover 5 according to the preferred embodiment;

FIG. 4 is a top view of the receptacle;

fig. 5 is a bottom view of the receptacle;

in the figure: 1-the plug housing; 2-the plug busbar; 2 a-the plug screw hole; 3-the socket housing; 4-the socket busbar; 4 a-socket screw holes; 5-a movable cover plate; 6-a plug shielding sleeve; 7-a socket shielding sleeve; 8-mounting plates; 8 a-mounting holes; 9-an inner sealing ring; 10-an outer sealing ring; 11-transmission cable; 12-handle; 13-slide column.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

The utility model discloses a split type high-voltage high-current connector capable of preventing metal from being grinded, which is shown by referring to an exploded view shown in fig. 1 and comprises a plug and a socket, wherein the plug comprises a plug shell 1, a plug busbar 2 arranged in the plug shell 1, a plug screw hole 2a is formed in the end part of the plug busbar 2, the socket comprises a socket shell 3, a socket busbar 4 arranged in the socket shell 3, and a socket screw hole 4a is formed in the end part of the socket busbar 4. After the plug and the socket are plugged, the end part of the plug busbar 2 is tightly attached to the end part of the socket busbar 4, and the connecting bolt penetrates through the plug screw hole 2a and the socket screw hole 4a to fixedly connect the plug busbar 2 with the socket busbar 4. The bolt is fixed more firm, and anti vibration ability is strong, and the crocus risk is little under high-level vibration condition, and contact resistance is less, has solved that current conducting layer is the shell fragment form in the existing market at present and has contacted, carries out the transmission of electric current, leads to overheated because of the contact problem under the crocus condition, the efficiency worsens scheduling problem.

Referring to the preferred embodiment shown in fig. 1, the socket busbar 4 is installed vertically, and its end is bent to be horizontal, so that the socket screw hole 4a faces upwards; the end part of the plug busbar 2 is kept horizontal, so that the plug screw hole 2a faces upwards; the socket screw holes 4a are screw holes, the plug screw holes 2a are through holes, and the connecting bolts penetrate through the plug screw holes 2a from top to bottom and are in threaded connection with the socket screw holes 4a. The ends of the socket busbar 4 and the plug busbar 2 are overlapped up and down, so that the socket busbar 4 and the plug busbar are conveniently connected together by bolts.

The movable cover 5 is removed and the movable cover 5 is closed in a top view as shown in fig. 2 and 3, the movable cover 5 is arranged on the top of the plug housing 1, and the connecting bolt can be screwed or unscrewed by opening the movable cover 5 through a screwdriver operation.

Referring to fig. 1 and 4, a barrel-shaped plug shielding sleeve 6 is arranged on the periphery of the plug busbar 2, one end of the plug shielding sleeve 6 is fixed on the periphery of the two socket busbar 4 in the plug housing 1, a barrel-shaped socket shielding sleeve 7 is arranged on the periphery of the two socket busbar 4, one end of the socket shielding sleeve 7 is fixed on the socket housing 3, the other end of the plug shielding sleeve 6 can be inserted with the other end of the socket shielding sleeve 7, and protruding elastic sheets are arranged on the side walls of the plug shielding sleeve 6 or the socket shielding sleeve 7, so that the two shielding sleeves (the plug shielding sleeve 6 and the socket shielding sleeve 7) can be in good contact.

Referring to fig. 2 to 5, in order to facilitate the installation of the socket on the equipment housing, the bottom of the socket housing 3 is connected with a mounting plate 8, and four corners of the mounting plate 8 are provided with mounting holes 8a, so that the socket can be conveniently installed on the equipment housing by screws passing through the mounting holes 8 a. It should be noted that prior to installation of the receptacle, it is also necessary to provide openings in the equipment housing to facilitate passage of the female row or conductors of the receptacle.

The preferred embodiment shown with reference to fig. 1 and 5 is designed to eliminate the risk of the ground powder from contact between the plug and the shield of the receptacle drifting onto other conductive devices and creating a short circuit. The mounting panel 8 is equipped with towards the one side of equipment casing inboard sealing washer 9 with outside sealing washer 10 two inboard sealing washer 9 locates the inboard, socket busbar 4 can pass inboard sealing washer 9 connects the inside circuit two of equipment casing outside sealing washer 10 is close to the outward flange of mounting panel 8 sets up two socket shielding cover 7 falls into in the plumb direction inboard sealing washer 9 with between the outside sealing washer 10. In this way, even if the shielding sleeve is ground, the shielding sleeve can only fall between the inner sealing ring 10 and the outer sealing ring 10, and the risk of short circuit is not caused.

Referring to the preferred embodiment shown in fig. 1 to 3, the end of the plug busbar 2 facing away from the plug screw hole 2a is connected to the power transmission cable 11. The transmission cable 11 is welded with the plug busbar 2, and a welding head is positioned in the plug shell 1.

With reference to the preferred embodiment shown in fig. 1 to 3, a locking device is provided between the plug housing 1 and the socket housing 3, said locking device comprising the handle 12 hinged to the outer side wall of the plug housing 1, the slide post 13 fixed to the outer side wall of the socket housing 3. Referring to fig. 1, the handle 12 also has an arcuate chute 14. In fig. 1, the left end of the chute 14 is proximal to the hinge point and the right end of the chute 14 is distal to the hinge point. When a plug is required to be inserted into a socket, the handle 12 is erected first, the plug is inserted, the sliding column 13 enters the sliding groove 14, then the handle 12 is pressed down, the handle 12 is turned to be horizontal, the sliding column 13 slides from the far end to the near end in the sliding groove 14, so that the plug is inserted into the socket more deeply and tightly, and finally the locking effect is achieved.

The above examples are illustrative only and are not intended to be limiting. Any equivalent modifications or variations to the present application without departing from the spirit and scope of the present application are intended to be included within the scope of the claims of the present application.

Claims

1. A split high-voltage high-current connector for preventing metal powder grinding is characterized in that: comprising a plug and a socket, wherein,

the plug comprises a plug shell (1), a plug busbar (2) arranged in the plug shell (1), and a plug screw hole (2 a) II arranged at the end part of the plug busbar (2)

The socket comprises a socket shell (3), a socket busbar (4) arranged in the socket shell (3), and socket screw holes (4 a) II arranged at the end part of the socket busbar (4)

After the plug and the socket are plugged, the end part of the plug busbar (2) is tightly attached to the end part of the socket busbar (4), and the connecting bolt penetrates through the plug screw hole (2 a) and the socket screw hole (4 a) to fixedly connect the plug busbar (2) with the socket busbar (4).

2. The metal mill resistant split high voltage high current connector of claim 1, wherein: the socket busbar (4) is vertically arranged, the end parts of the socket busbar are bent and kept horizontal, the end parts of the socket screw holes (4 a) facing upwards and the two plug busbar (2) are kept horizontal, and the plug screw holes (2 a) facing upwards; the socket screw hole (4 a) is a screw hole, the plug screw hole (2 a) is a through hole, and the connecting bolt passes through the plug screw hole (2 a) from top to bottom and is in threaded connection with the socket screw hole (4 a).

3. The metal mill resistant split high voltage high current connector of claim 2, wherein: the top of the plug shell (1) is provided with a movable cover plate (5), and the connecting bolt can be operated by opening the movable cover plate (5).

4. A split high voltage high current connector for preventing metal milling as claimed in claim 3, wherein: the periphery of the plug busbar (2) is provided with a barrel-shaped plug shielding sleeve (6), and one end of the plug shielding sleeve (6) is fixed in the plug shell (1)

The periphery of the socket busbar (4) is provided with a barrel-shaped socket shielding sleeve (7), and one end of the socket shielding sleeve (7) is fixed in the socket shell (3);

the other end of the plug shielding sleeve (6) can be spliced with the other end of the socket shielding sleeve (7), and the side wall of the plug shielding sleeve (6) or the socket shielding sleeve (7) is provided with a convex elastic sheet, so that the two shielding sleeves can be in good contact.

5. The metal mill resistant split high voltage high current connector of claim 4, wherein: the bottom of the socket shell (3) is connected with a mounting plate (8), and mounting holes (8 a) are formed in four corners of the mounting plate (8) so as to facilitate the socket to be mounted on the equipment shell by using screws to penetrate through the mounting holes (8 a).

6. The metal mill resistant split high voltage high current connector of claim 5, wherein: the utility model discloses a socket, including mounting panel (8), socket busbar (4), mounting panel (8), socket busbar, mounting panel (8) are equipped with two towards the one side of equipment casing inboard sealing washer (9) and outside sealing washer (10) inboard sealing washer (9) are located, socket busbar (4) can pass inboard sealing washer (9) connect the inside circuit two of equipment casing outside sealing washer (10) are close to the outside edge of mounting panel (8) sets up two socket shielding cover (7) fall into in the plumb direction between inboard sealing washer (9) and outside sealing washer (10).

7. The metal mill resistant split high voltage high current connector of claim 1, wherein: the end part of the plug busbar (2) deviating from the plug screw hole (2 a) is connected with a power transmission cable (11).

8. The metal mill resistant split high voltage high current connector of claim 1, wherein: the plug comprises a plug housing (1) and a socket housing (3), wherein a locking device is arranged between the plug housing (1) and the socket housing (3), and comprises a handle (12) hinged to the outer side wall of the plug housing (1) and a sliding column (13) fixed to the outer side wall of the socket housing (3).