CN217158479U

CN217158479U - Lithium battery charging and discharging port structure

Info

Publication number: CN217158479U
Application number: CN202122550271.2U
Authority: CN
Inventors: 刘启凯; 李洪涛; 马桔华; 韩国凯; 柯克
Original assignee: Henan Keneng New Energy Technology Co ltd
Current assignee: Henan Keneng New Energy Technology Co ltd
Priority date: 2021-10-22
Filing date: 2021-10-22
Publication date: 2022-08-09
Anticipated expiration: 2031-10-22

Abstract

The utility model provides a be applied to electric motor car technical field's lithium cell charge-discharge mouth structure, including battery box (1), battery box lid, battery box (1) in set up the battery and arrange cavity (2) and hold chamber (3), battery box (1) surface sets up charge-discharge mouth mounting groove (4), it sets up annular groove (5) to hold chamber (3) upper end surface, the tip surface sets up annular bulge (7) under device box (6), device box (6) surface sets up trompil (8), card dress sealing washer (9) in trompil (8), lithium cell charge-discharge mouth structure, simple structure, it is with low costs, can conveniently and reliably realize charge mouthful installation and change to effectively guarantee waterproof performance, guarantee that the lithium cell is safe in utilization.

Description

Lithium battery charging and discharging port structure

Technical Field

The utility model belongs to the technical field of the electric motor car, more specifically say, relate to a lithium cell charge-discharge mouth structure.

Background

The lithium ion battery has the characteristics of high energy density, small volume, light weight, long service life, quick charging and the like, is widely applied to the electric bicycle market, and is particularly and more widely applied to the markets of American groups and takeoffs and rentals in recent years. In the rental market, the battery pack needs to be taken out of the vehicle every day and put into a charging cabinet for charging, and therefore the plug needs to be repeatedly inserted and pulled. And long-time multiple-time plug-in has very big damage to the life of charging and discharging plug, therefore the operator of each charging station need often change the plug, and the time of changing the plug at every turn will be very short. In actual operation, the battery pack is completely different in installation position of the electric vehicle, when the battery pack is in a pedal position, the position is very easy to be soaked by water in rainy days, and the battery packs at other positions have muddy water splashed at plug positions when a vehicle runs in rainy days, if the muddy water is not properly treated, the outside water is very easy to pass through the charging and discharging port to be carried out in the battery pack, so that the battery pack is damaged. The conventional method is to coat a large amount of glue on the back of the charging and discharging port, but the method can solve the waterproof problem, but has the problems of very high cost and incapability of preventing water because all the sealant is damaged after the charging and discharging port is replaced. Therefore, the problem to be solved is to solve the problems that the charging and discharging ports of the battery pack are rapidly replaced and the external muddy water is prevented from entering so as to ensure the safe use of the lithium battery.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: the lithium battery charging and discharging port structure is simple in structure, low in cost, capable of conveniently and reliably achieving installation and replacement of a charging port, capable of effectively guaranteeing waterproof performance and capable of guaranteeing safety of use of a lithium battery.

To solve the technical problem, the utility model discloses the technical scheme who takes does:

the utility model relates to a lithium cell charge-discharge mouth structure, including battery box, battery box lid, the battery box in set up the battery and arrange the cavity and hold the chamber, battery box surface sets up charge-discharge mouth mounting groove, holds chamber upper end surface and sets up annular groove, the tip surface sets up annular arch under the device box, device box surface sets up the trompil, the card dress sealing washer in the trompil.

The device box is arranged into a structure which can be buckled and connected with the containing cavity.

When the device box is buckled and connected with the containing cavity, the annular bulge of the device box is of a structure capable of being clamped in the annular groove of the containing cavity, and the device box is buckled and connected with the containing cavity to form a charging and discharging component sealing storage cavity.

The sealing ring is provided with a wire hole, and the positive and negative wires of the battery are arranged into a structure which can enter the sealed storage cavity of the charge and discharge component through the wire hole to be connected with the charge and discharge component.

The charging and discharging port mounting groove is internally provided with a structure capable of mounting a charging and discharging port.

The charging and discharging port mounting groove is provided with a fixing screw hole, and the screw is of a structure capable of fixing the charging and discharging port in the charging and discharging port mounting groove.

The upper end surface of a battery box body of the lithium battery charging and discharging port structure is provided with a box body annular groove, and the lower end surface of a battery box cover is provided with a box cover annular bulge.

The battery box body and the battery box cover are arranged into a structure capable of being buckled and connected.

When the battery box body and the battery box cover are buckled and connected, the box cover annular bulge of the battery box cover is of a structure capable of being clamped in the box body annular groove of the battery box body.

Adopt the technical scheme of the utility model, can obtain following beneficial effect:

lithium cell charge and discharge mouthful structure, not enough to provide the improvement among the prior art. The battery is arranged and is used for arranging the battery module in the cavity, holds the chamber and is connected with the device box lock joint, forms the sealed storage chamber of charge-discharge part for sealing device charge-discharge part, and charge-discharge part also can conveniently be changed. And the charging point charging port is arranged in the charging and discharging port mounting groove, so that the rapid mounting and dismounting of various charging and discharging ports and the exchange of the polarity direction are facilitated. The annular bulge and the annular groove are clamped and matched for realizing reliable connection and sealing between the accommodating cavity and the device box. And the sealing washer clamps in the trompil position, reliably is connected with the device box for the wire passes to effectively realize sealedly, avoid the rainwater to get into the sealed storage intracavity of charge-discharge part. Lithium cell charge and discharge mouthful structure, simple structure, it is with low costs, can convenient and reliable realize the installation and the change of the mouth that charges to effectively guarantee waterproof performance, guarantee lithium cell safe in utilization.

Drawings

The contents of the description and the references in the drawings are briefly described as follows:

fig. 1 is a schematic structural view of a lithium battery charging and discharging port structure of the present invention when the charging and discharging port is not installed;

fig. 2 is a schematic view of the internal structure of a battery box body of a lithium battery charging and discharging port structure according to the present invention;

fig. 3 is a schematic structural diagram of a device box of a lithium battery charging and discharging port structure according to the present invention;

fig. 4 is a schematic structural diagram of a sealing ring of a lithium battery charging and discharging port structure according to the present invention;

fig. 5 is a schematic structural view of the charging/discharging port of the lithium battery charging/discharging port structure according to the present invention when mounted;

fig. 6 is a schematic structural view of the device box of the lithium battery charging and discharging port structure according to the present invention when installed;

in the drawings, labeled as: 1. a battery case; 2. a battery arrangement cavity; 3. an accommodating chamber; 4. a charging and discharging port mounting groove; 5. an annular groove; 6. a device cartridge; 7. an annular projection; 8. opening a hole; 9. a seal ring; 10. a wire guide hole; 11. a charging and discharging port; 12. fixing screw holes; 13. a screw; 14. and an annular clamping groove.

Detailed Description

The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings, wherein the embodiments of the present invention are described in detail with reference to the accompanying drawings, for example, the shapes, structures, mutual positions and connection relations of the components, the functions and operation principles of the components, and the like:

as shown in the accompanying drawings 1-6, the utility model relates to a lithium cell charge-discharge port structure, including battery box 1, battery box lid, battery box 1 in set up the battery and arrange cavity 2 and hold chamber 3, battery box 1 surface sets up charge-discharge port mounting groove 4, holds 3 upper end surfaces in chamber and sets up annular groove 5, the tip surface sets up annular bulge 7 under device box 6, device box 6 surface sets up trompil 8, the dress sealing washer 9 of blocking in the trompil 8. The position of the charging and discharging port mounting groove 4 is provided with a fixing screw hole 12, and a screw 13 is set to be a structure capable of fixing the charging and discharging port 11 in the charging and discharging port mounting groove 4. The structure provides improvement aiming at the defects in the prior art. The battery is arranged and is used for arranging the battery module in cavity 2, holds the chamber and is connected with the device box lock joint, forms the sealed storage chamber of charge-discharge part for sealing device charge-discharge part, and charge-discharge part also can conveniently be changed. And the charging point charging port is arranged in the charging and discharging port mounting groove 4, so that the rapid mounting and dismounting of various charging and discharging ports and the exchange of the polarity direction are facilitated. The annular bulge 7 and the annular groove are in clamping fit for realizing reliable connection and sealing between the accommodating cavity and the device box. And sealing washer 9 clamps in the trompil position, reliably is connected with the device box for the wire passes to effectively realize sealedly, avoid the rainwater to get into the sealed storage intracavity of charge-discharge part. Lithium cell charge and discharge mouthful structure, simple structure, it is with low costs, can convenient and reliable realize the installation and the change of the mouth that charges to effectively guarantee waterproof performance, guarantee lithium cell safe in utilization.

The device box 6 is arranged to be connected with the containing cavity 3 in a buckling way. When the device box 6 is buckled and connected with the containing cavity 3, the annular bulge 7 of the device box 6 is of a structure capable of being clamped in the annular groove 5 of the containing cavity 3, and the device box 6 is buckled and connected with the containing cavity 3 to form a charging and discharging component sealed storage cavity. Above-mentioned structure, device box and hold the chamber lock and connect for seal installation charge-discharge part. After the battery box body and the battery box cover are buckled and connected, the sealing of the sealed storage cavity of the charge and discharge component is realized, and the charge and discharge component is connected with the battery module positioned in the battery arrangement cavity 2 through a lead, so that the whole battery can reliably work.

And the sealing ring 9 is provided with a wire hole 10, and positive and negative wires of the battery are arranged into a structure which can enter the sealed storage cavity of the charge and discharge component through the wire hole 10 and is connected with the charge and discharge component. Above-mentioned structure, the sealing washer outer lane sets up ring groove 14 to can reliably clamp in the trompil, the sealing washer reliably contacts with the trompil, and is effectively sealed, and is equipped with the wire guide on the sealing washer, not only is used for passing through of positive negative pole wire of battery, still can carry out waterproof sealing to the wire, thereby guarantees that outside liquid can not get into the sealed storage chamber of charge-discharge parts and damage charge-discharge parts, guarantees safety.

The charging and discharging port mounting groove 4 is internally provided with a structure capable of mounting a charging and discharging port 11. The position of the charging and discharging port mounting groove 4 is provided with a fixing screw hole 12, and a screw 13 is set to be a structure capable of fixing the charging and discharging port 11 in the charging and discharging port mounting groove 4. Above-mentioned structure, charging and discharging mouthful mounting groove 4 does not have stop part, can convenient and fast realize the installation and the dismantlement of various types of charging and discharging mouthful, and during the installation of charging and discharging mouthful, only through screw fixed connection, the commonality is strong.

The upper end surface of a battery box body 1 of the lithium battery charging and discharging port structure is provided with a box body annular groove, and the lower end surface of a battery box cover is provided with a box cover annular bulge. When the battery box body 1 and the battery box cover are buckled and connected, the box cover annular bulge of the battery box cover is of a structure capable of being clamped in the box body annular groove of the battery box body 1. The battery box body 1 and the battery box cover are arranged to be of a structure capable of being connected in a buckling mode. Above-mentioned structure, battery case lid and battery box lock are connected the back, can realize reliable sealed, avoid external rainwater to get into inside and damage the battery module.

The present invention has been described in detail with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and the present invention can be implemented in various ways without modification, and the present invention is not limited by the above embodiments.

Claims

1. The utility model provides a lithium cell charge-discharge mouth structure which characterized in that: including battery box (1), battery case lid, battery box (1) in set up the battery and arrange cavity (2) and hold chamber (3), battery box (1) surface sets up charge-discharge hole mounting groove (4), holds chamber (3) upper end surface and sets up annular groove (5), the tip surface sets up annular protrusion (7) under device box (6), device box (6) surface sets up trompil (8), clamping sealing washer (9) in trompil (8).

2. The lithium battery charge and discharge port structure according to claim 1, characterized in that: the device box (6) is arranged into a structure which can be buckled and connected with the containing cavity (3).

3. The lithium battery charge and discharge port structure according to claim 1 or 2, characterized in that: when the device box (6) is buckled and connected with the containing cavity (3), the annular bulge (7) of the device box (6) is arranged into a structure which can be clamped in the annular groove (5) of the containing cavity (3), and the device box (6) is buckled and connected with the containing cavity (3) to form a charging and discharging component sealed storage cavity.

4. The lithium battery charge and discharge port structure according to claim 1 or 2, characterized in that: the sealing ring (9) is provided with a wire hole (10), and positive and negative wires of the battery are arranged into a structure which can enter the sealed storage cavity of the charge and discharge component through the wire hole (10) and is connected with the charge and discharge component.

5. The lithium battery charge and discharge port structure according to claim 1 or 2, characterized in that: the charging and discharging port mounting groove (4) is internally provided with a structure capable of mounting a charging and discharging port (11).

6. The lithium battery charge-discharge port structure according to claim 5, characterized in that: the position of the charging and discharging port mounting groove (4) is provided with a fixing screw hole (12), and the screw (13) is arranged into a structure capable of fixing the charging and discharging port (11) in the charging and discharging port mounting groove (4).

7. The lithium battery charge and discharge port structure according to claim 1 or 2, characterized in that: the surface of the upper end of a battery box body (1) of the lithium battery charging and discharging port structure is provided with a box body annular groove, and the surface of the lower end of a battery box cover is provided with a box cover annular bulge.

8. The lithium battery charge and discharge port structure according to claim 1 or 2, characterized in that: the battery box body (1) and the battery box cover are arranged into a structure capable of being buckled and connected.

9. The lithium battery charge and discharge port structure according to claim 8, characterized in that: when the battery box body (1) is buckled with the battery box cover, the box cover annular bulge of the battery box cover is arranged into a structure which can be clamped in the box body annular groove of the battery box body (1).