CN215299646U

CN215299646U - Delta-shaped lithium battery charging and discharging connector

Info

Publication number: CN215299646U
Application number: CN202120415225.9U
Authority: CN
Inventors: 何满国
Original assignee: Dongguan Hexie New Energy Technology Co ltd
Current assignee: Dongguan Hexie New Energy Technology Co ltd
Priority date: 2021-02-25
Filing date: 2021-02-25
Publication date: 2021-12-24
Anticipated expiration: 2031-02-25

Abstract

The utility model discloses a delta-shaped lithium battery charging and discharging connector, which comprises a female seat and a male head; the female seat comprises a female seat body and three female seat terminals; the female seat body is provided with three insertion holes and an annular insertion cavity; the three female seat terminals are arranged in the female seat body; the male head comprises a male head body and three male head terminals; the male connector body is provided with an annular insertion part, and the three male connector terminals are fixed in the male connector body. The female seat body is provided with the annular insertion cavity, the male head body is provided with the annular insertion part, and the annular insertion part is in matched insertion with the annular insertion cavity, so that the male head and the female seat are more firmly and reliably inserted; and the contact part of each female socket terminal is provided with an inserting groove, the contact part of the male terminal passes through the corresponding inserting hole and is inserted into the inserting groove of the corresponding female socket terminal to be in contact conduction, and the arrangement of the inserting grooves increases the cross-sectional area for passing current, so that the terminals can bear large current.

Description

Delta-shaped lithium battery charging and discharging connector

Technical Field

The utility model belongs to the technical field of the connector technique and specifically relates to indicate a article font lithium cell charge-discharge connector.

Background

At present, the application range of lithium batteries is wider, and the usage amount of lithium battery packs in various industries of the society is larger. The electric vehicle lithium battery is generally connected with a charging and discharging connector combined structure, the charging and discharging connector combined structure is generally composed of a female seat and a male head, and the male head and the female seat are mutually plugged to realize the on-off of the battery and the electric vehicle controller.

The existing lithium battery charging and discharging connector is unstable in plug-in connection between a male connector and a female connector, the phenomenon of loosening is easy to occur in the using process, and the structure of a terminal cannot meet the passing of large current, so that the charging rate of a lithium battery is low. Therefore, there is a need for an improved charging and discharging connector for lithium batteries.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a charging and discharging connector for lithium battery, which can effectively solve the problem that the male plug and the female socket of the existing charging and discharging connector for lithium battery are not connected firmly and can not pass through large current.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a delta-shaped lithium battery charging and discharging connector comprises a female seat and a male head; the female seat comprises a female seat body and three female seat terminals; the female seat body is provided with three inserting holes and an annular inserting cavity, the three inserting holes are arranged in a delta shape, and the annular inserting cavity is positioned at the periphery of the three inserting holes; the three female socket terminals are arranged in the female socket body, the contact part of each female socket terminal is provided with an inserting groove, and each inserting groove is respectively and oppositely communicated with the corresponding inserting hole; the male head comprises a male head body and three male head terminals; the male connector body is provided with an annular insertion part, the annular insertion part surrounds to form an accommodating cavity, and the annular insertion part is inserted in the annular insertion cavity in a matching manner; the three male terminals are fixed in the male terminal body, the contact parts of the three male terminals are arranged in a triangular shape and suspended in the accommodating cavity, and the contact parts of the three male terminals penetrate through the corresponding plug-in holes to be inserted into the plug-in grooves of the corresponding female base terminals to be in contact conduction.

As a preferred scheme, both sides of the top of the female seat body are provided with fixing holes.

Preferably, the contact portion of the socket terminal is formed by bending a metal plate, and has a U-shape, and the insertion groove is a U-shaped groove opened toward one side.

Preferably, the male terminal is a solid sheet terminal structure, and the cross section of the male terminal is square.

Preferably, the outer wall of the contact portion of the male terminal is in close fit contact with the inner wall of the insertion groove.

As a preferred scheme, the male head further comprises a lifting buckle, two ends of the lifting buckle are connected with two sides of the upper end of the male head body in a buckling mode, the lifting buckle can be arranged in a vertically-swinging mode relative to the male head body, and the end portion of the lifting buckle acts on the female seat body and enables the male head body to move upwards relative to the female seat body.

As a preferred scheme, the two sides of the upper end of the male head body are respectively provided with a clamping hole, and the inner sides of the two end parts of the lifting buckle are respectively convexly provided with a convex column which is buckled in the clamping holes.

Preferably, the end of the buckle is triangular.

As a preferred scheme, the rear end of female seat body still is provided with the baffle, and a plurality of spacing holes have been seted up to this baffle, and each female seat terminal all inlays spacing in corresponding spacing hole.

Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme:

the female seat body is provided with the annular insertion cavity, the male head body is provided with the annular insertion part, and the annular insertion part is in matched insertion with the annular insertion cavity, so that the male head and the female seat are more firmly and reliably inserted; and the contact part of each female socket terminal is provided with an inserting groove, the contact part of the male terminal passes through the corresponding inserting hole and is inserted into the inserting groove of the corresponding female socket terminal to be in contact conduction, and the arrangement of the inserting grooves increases the cross-sectional area for passing current, so that the terminals can bear large current.

To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is a perspective view of the present invention in an assembled state;

FIG. 2 is a perspective view of the present invention showing the male and female bases separated from each other;

FIG. 3 is a perspective view of the male and female bases of the preferred embodiment of the present invention at another angle;

fig. 4 is an exploded view of the preferred embodiment of the present invention;

fig. 5 is an exploded view from another angle of the preferred embodiment of the present invention;

fig. 6 is a cross-sectional view of the preferred embodiment of the present invention.

The attached drawings indicate the following:

10. female seat 101, inserting groove

11. Female seat body 111, jack

112. Annular insertion cavity 113 and fixing hole

12. Female socket terminal 121, contact part

13. Baffle 131 and limiting hole

20. Male 201, clip hole

202. Convex column 21, male head body

211. Annular plug part 212 and accommodating cavity

22. Male terminal 221, contact part

23. The lifting buckle 30 and the connecting terminal

40. And (3) wire rods.

Detailed Description

Referring to fig. 1 to 6, a specific structure of a preferred embodiment of the present invention is shown, including a female socket 10 and a male head 20.

The female socket 10 comprises a female socket body 11 and three female socket terminals 12; the female seat body 11 is provided with three insertion holes 111 and an annular insertion cavity 112, the three insertion holes 111 are arranged in a delta shape, and the annular insertion cavity 112 is positioned at the periphery of the three insertion holes 111; the three female socket terminals 12 are arranged in the female socket body 11, the contact part 121 of each female socket terminal 12 is provided with an inserting groove 101, and each inserting groove 101 is respectively in opposite communication with the corresponding inserting hole 111; in this embodiment, the two sides of the top of the female seat body 11 are both provided with fixing holes 113; the contact portion 121 of the female socket terminal 12 is formed by bending a metal sheet, and is U-shaped, the insertion groove 101 is a U-shaped groove with an opening facing one side, in addition, a baffle 13 is further arranged at the rear end of the female socket body 11, a plurality of limiting holes 131 are formed in the baffle 13, and each female socket terminal 12 is embedded in the corresponding limiting hole 131 for limitation.

The male head 20 comprises a male head body 21 and three male head terminals 22; the male connector body 21 has an annular insertion part 211, the annular insertion part 211 forms an accommodating cavity 212 around, and the annular insertion part 211 is inserted into the annular insertion cavity 112; the three male terminals 22 are fixed in the male body 21, the contact portions 221 of the three male terminals 22 are arranged in a delta shape and suspended in the accommodating cavity 212, and the contact portions 221 of the three male terminals 22 are inserted into the insertion grooves 101 of the corresponding female socket terminals 12 through the corresponding insertion holes 111 to be contacted and conducted; in this embodiment, the male terminal 22 is a solid plate terminal structure, the cross section of which is square, and the outer wall of the contact portion 221 of the male terminal 22 is tightly contacted with the inner wall of the insertion groove 101.

The male head 22 further comprises a lifting buckle 23, two ends of the lifting buckle 23 are connected with two sides of the upper end of the male head body 21 in a buckling mode, the lifting buckle 23 can be arranged in a vertically-swinging mode relative to the male head body 21, and the end portion of the lifting buckle 23 acts on the female seat body 11 and enables the male head body 21 to move upwards relative to the female seat body 11. In this embodiment, the fastening holes 201 are formed on both sides of the upper end of the male body 21, the inner sides of both ends of the buckle 23 are respectively provided with a convex column 202, and the end of the buckle 23 is triangular in the fastening holes 201 of the convex columns 202.

Detailed description the method of use of this example is as follows:

during the preparation, at first, be connected public first terminal 22 and wire rod 40 and switch on, wherein public first terminal 22 switches on ground connection, then, put into corresponding injection mold with female seat terminal 12 and binding post 30, go out female seat body 11 through injection moulding's mode injection moulding respectively, each female seat terminal 12 all switches on with corresponding binding post 30 contact, wherein a female seat terminal 12 switches on ground connection with corresponding binding post 30 to and, will connect public first terminal 22 and wire rod 40 fixed together and put into corresponding injection mold, go out public first body 21 through injection moulding's mode injection moulding.

When the male connector and the female connector are inserted, the female connector 10 and the male connector 20 are inserted into each other, the annular insertion part 211 is inserted into the annular insertion cavity 112 in a matching manner, the contact parts 221 of the three male connector terminals 22 are inserted into the insertion grooves 101 of the corresponding female connector terminals 12 through the corresponding insertion holes 111 to be in contact conduction, and the outer walls of the contact parts 221 of the male connector terminals 22 are in tight fit contact with the inner walls of the insertion grooves 101; when the male head is pulled out, the end of the lifting buckle 23 acts on the female seat body 11 by swinging the lifting buckle 23 upwards, and the male head body 21 is driven to move upwards relative to the female seat body 11, so that the male head 20 is pulled out.

The utility model discloses a design focus lies in: the female seat body is provided with the annular insertion cavity, the male head body is provided with the annular insertion part, and the annular insertion part is in matched insertion with the annular insertion cavity, so that the male head and the female seat are more firmly and reliably inserted; and the contact part of each female socket terminal is provided with an inserting groove, the contact part of the male terminal passes through the corresponding inserting hole and is inserted into the inserting groove of the corresponding female socket terminal to be in contact conduction, and the arrangement of the inserting grooves increases the cross-sectional area for passing current, so that the terminals can bear large current.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a article font lithium cell charge-discharge connector which characterized in that: comprises a female seat and a male head; the female seat comprises a female seat body and three female seat terminals; the female seat body is provided with three inserting holes and an annular inserting cavity, the three inserting holes are arranged in a delta shape, and the annular inserting cavity is positioned at the periphery of the three inserting holes; the three female socket terminals are arranged in the female socket body, the contact part of each female socket terminal is provided with an inserting groove, and each inserting groove is respectively and oppositely communicated with the corresponding inserting hole; the male head comprises a male head body and three male head terminals; the male connector body is provided with an annular insertion part, the annular insertion part surrounds to form an accommodating cavity, and the annular insertion part is inserted in the annular insertion cavity in a matching manner; the three male terminals are fixed in the male terminal body, the contact parts of the three male terminals are arranged in a triangular shape and suspended in the accommodating cavity, and the contact parts of the three male terminals penetrate through the corresponding plug-in holes to be inserted into the plug-in grooves of the corresponding female base terminals to be in contact conduction.

2. The delta-shaped lithium battery charging and discharging connector as claimed in claim 1, wherein: the top both sides of female seat body have all been seted up the fixed orifices.

3. The delta-shaped lithium battery charging and discharging connector as claimed in claim 1, wherein: the contact part of the seat terminal is formed by bending a metal sheet and is U-shaped, and the insertion groove is a U-shaped groove with an opening facing one side.

4. The delta-shaped lithium battery charging and discharging connector as claimed in claim 1, wherein: the male terminal is of a solid sheet terminal structure, and the cross section of the male terminal is square.

5. The delta-shaped lithium battery charging and discharging connector as claimed in claim 1, wherein: the outer wall of the contact part of the male terminal is in close fit contact with the inner wall of the insertion groove.

6. The delta-shaped lithium battery charging and discharging connector as claimed in claim 1, wherein: the male head further comprises a lifting buckle, the two ends of the lifting buckle are connected with the two sides of the upper end of the male head body in a buckling mode, the lifting buckle is arranged in a manner of swinging up and down relative to the male head body, and the end portion of the lifting buckle acts on the female seat body and enables the male head body to move upwards relative to the female seat body.

7. The delta-shaped lithium battery charging and discharging connector as claimed in claim 6, wherein: the male head comprises a male head body and is characterized in that clamping holes are formed in two sides of the upper end of the male head body, and convex columns are convexly arranged on the inner sides of two end parts of the lifting buckle and are buckled in the clamping holes.

8. The delta-shaped lithium battery charging and discharging connector as claimed in claim 6, wherein: the end part of the lifting buckle is triangular.

9. The delta-shaped lithium battery charging and discharging connector as claimed in claim 1, wherein: the rear end of female seat body still is provided with the baffle, and a plurality of spacing holes have been seted up to this baffle, and it is spacing that each female seat terminal all inlays in corresponding spacing hole.