CN215989396U

CN215989396U - Lithium battery pack charging and discharging plug connector

Info

Publication number: CN215989396U
Application number: CN202121972528.7U
Authority: CN
Inventors: 李金栋
Original assignee: Wujiang Lianxiang Electronics Co ltd
Current assignee: Wujiang Lianxiang Electronics Co ltd
Priority date: 2021-08-21
Filing date: 2021-08-21
Publication date: 2022-03-08
Anticipated expiration: 2031-08-21

Abstract

The utility model relates to the technical field of plug connector equipment, and discloses a lithium battery pack charging and discharging plug connector, wherein an accommodating cavity is fixedly arranged at the upper part of the front end of a shell, the accommodating cavity is circular, a partition plate is fixedly arranged in the accommodating cavity and divides the accommodating cavity into a first accommodating cavity and a second accommodating cavity, a first conductive terminal is fixedly arranged in the first accommodating cavity, a second conductive terminal is fixedly arranged in the second accommodating cavity, an insulating cap is fixedly wrapped at the front end of the first conductive terminal, a threaded section is arranged at the rear end of the insulating cap, a threaded hole is formed at the front end of the first conductive terminal, and the problem that electric sparks are generated and the waterproof performance is poor due to the fact that the front end of the conductive terminal of the existing lithium battery pack charging and discharging plug connector directly contacts and rubs with a terminal in a socket connector due to strong current is solved by the threaded connection of the insulating cap and the front end of the first conductive terminal, the potential safety hazard exists.

Description

Lithium battery pack charging and discharging plug connector

Technical Field

The utility model relates to the technical field of plug connector equipment, in particular to a lithium battery pack charging and discharging plug connector.

Background

The lithium battery is a battery which uses lithium metal or lithium alloy as a positive/negative electrode material and uses a non-aqueous electrolyte solution, and the lithium metal has very high requirements on the environment for processing, storage and use due to the very active chemical characteristics of the lithium metal, and becomes a mainstream along with the development of scientific technology. The lithium battery has the advantages of light weight, small volume, long service life, good performance, no pollution and the like, is favored, is widely applied to the fields of notebook computers, mobile phones, digital cameras, electric vehicles, small-sized electronic equipment, aerospace, electromechanics, military communication and the like, and can be widely applied to the automobile industry along with the continuous maturity of the electric automobile technology

Electronic equipment mainly relies on the power supply of lithium cell to carry out work and operation, and the lithium cell need adopt plug connector to carry out the charge-discharge to the lithium cell in the in-process of using, and current lithium cell charge-discharge plug connector lies in the in-process of outside socket connector to the plug, and the front end of its conductive terminal directly carries out the contact friction with the forceful electric power terminal in the socket connector, leads to the production of electric spark to current lithium cell charge-discharge plug connector still has the waterproof performance poor, the problem of potential safety hazard appears easily.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a lithium battery pack charging and discharging plug connector which has the advantages of preventing water, preventing the front end of a conductive terminal of the plug connector from directly contacting and rubbing with a strong current terminal in a socket connector to cause electric sparks and eliminating potential safety hazards, and solves the problems that the front end of the conductive terminal of the existing lithium battery charging and discharging plug connector directly contacts and rubs with the strong current terminal in the socket connector to cause the electric sparks and the potential safety hazards exist, and the problems are poor in waterproof performance.

(II) technical scheme

In order to realize the waterproof function, prevent the front end of the conductive terminal of the plug connector from directly contacting and rubbing with the strong current terminal in the socket connector, so as to cause the generation of electric sparks and eliminate the potential safety hazard, the utility model provides the following technical scheme: a lithium battery pack charging and discharging plug connector comprises a shell, wherein an accommodating cavity is fixedly arranged at the upper part of the front end of the shell, the accommodating cavity is circular, a partition plate is fixedly arranged in the accommodating cavity, the accommodating cavity is divided into a first accommodating cavity and a second accommodating cavity by the partition plate, a first conductive terminal is fixedly arranged in the first accommodating cavity, a second conductive terminal is fixedly arranged in the second accommodating cavity, and an insulating cap is fixedly wrapped at the front end of the first conductive terminal;

the casing includes preceding shell, back seat and hou gai, and holding chamber fixed connection is at the front end of preceding shell, and the back seat is fixed in the rear end of preceding shell, and the back lid covers the rear end and the back seat of preceding shell, and back lid, back seat and preceding shell amalgamation are inlayed fixedly and are in the same place.

Preferably, the partition plate divides the accommodating cavity into a first accommodating cavity and a second accommodating cavity which are equal in size.

Preferably, the rear ends of the first conductive terminals and the second conductive terminals penetrate through the front shell and are fixed on the rear seat, the number of the first conductive terminals is two, the first conductive terminals are respectively a positive electrode and a negative electrode, the number of the second conductive terminals is five, and the second conductive terminals are distributed on the same straight line.

Preferably, the rear end of the insulating cap is provided with a threaded section, the front end of the first conductive terminal is provided with a threaded hole, the insulating cap is in threaded connection with the front end of the first conductive terminal, and the maximum diameter of the insulating cap is consistent with the diameter of the first conductive terminal.

Preferably, the front end fixed mounting of preceding shell has the guard ring, and the guard ring encloses the periphery of establishing at the holding chamber, leaves between guard ring and the holding chamber to be equipped with waterproof recess, and the upper portion swing joint of guard ring has the protective cover board, and adds on the protective cover board to be equipped with waterproof rubber circle.

(III) advantageous effects

Compared with the prior art, the utility model provides a lithium battery pack charging and discharging plug connector which has the following beneficial effects:

1. the lithium battery pack charging and discharging plug connector realizes the waterproof effect of the lithium battery pack charging and discharging plug connector by the matching use of the additionally arranged protective cover plate, the waterproof rubber ring and the waterproof groove;

2. according to the lithium battery pack charging and discharging plug connector, when the first conductive terminal is inserted into the socket connector, the strong current terminal in the socket connector contacts with the insulating cap in threaded connection with the front end of the first conductive terminal first, and then contacts with the first conductive terminal, so that electric sparks are avoided, and potential safety hazards are avoided.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic view of the first conductive terminal and the insulating cap according to the present invention;

in the figure: 1. a housing; 2. an accommodating cavity; 3. a partition plate; 4. a first accommodating cavity; 5. a second accommodating cavity; 6. a first conductive terminal; 7. a second conductive terminal; 8. an insulating cap; 9. a front housing; 10. a rear seat; 11. a rear cover; 12. a guard ring; 13. a protective cover plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, the utility model provides a technical scheme, a lithium battery pack charging and discharging plug connector, which comprises a shell 1, wherein the shell 1 comprises a front shell 9, a rear seat 10 and a rear cover 11, the rear seat 10 is fixed at the rear end of the front shell 9, the rear cover 11 covers the rear end of the front shell 9 and the rear seat 10, the rear cover 11, the rear seat 10 and the front shell 9 are spliced and embedded together, a protective ring 12 is fixedly installed at the front end of the front shell 9, the protective ring 12 can prevent water from entering the plug connector to bring potential safety hazards, a protective circuit is realized, the potential safety hazards are avoided, the protective ring 12 is arranged around the accommodating cavity 2, a waterproof groove is reserved between the protective ring 12 and the accommodating cavity 2, the waterproof performance is further enhanced, the waterproof protection function is realized, a protective cover plate 13 is movably connected to the upper part of the protective ring 12, the protective cover plate 13 can prevent dust particles from entering the plug connector when not in use, the use of the plug connector is influenced, the service life of the plug connector is prolonged, and a waterproof rubber ring is additionally arranged on the protective cover plate 13, so that a waterproof effect is further achieved, and potential safety hazards caused by water entering the plug connector are avoided, the upper part of the front end of the shell 1 is fixedly provided with the accommodating cavity 2, the accommodating cavity 2 is circular, the inner part of the accommodating cavity 2 is fixedly provided with the partition plate 3, the accommodating cavity is divided into the first accommodating cavity 4 and the second accommodating cavity 5 by the partition plate 3, the first accommodating cavity 4 and the second accommodating cavity 5 are equal in size, the inner part of the first accommodating cavity 4 is fixedly provided with the first conductive terminal 6, the inner part of the second accommodating cavity 5 is fixedly provided with the second conductive terminal 7, the number of the first conductive terminals 6 is two, the first conductive terminals are respectively an anode and a cathode, and are marked with different colors for distinguishing and maintenance, and the number of the second conductive terminals 7 is five, the second conductive terminals 7 are distributed on the same straight line, and the front ends of the first conductive terminals 6 are fixedly coated with insulating caps 8.

Referring to fig. 2, the rear ends of the first conductive terminal 6 and the second conductive terminal 7 both penetrate the front housing 9 and are fixed on the rear seat 10.

Referring to fig. 3, a threaded section is arranged at the rear end of the insulating cap 8, a threaded hole is formed in the front end of the first conductive terminal 6, the insulating cap 8 is in threaded connection with the front end of the first conductive terminal 6, the maximum diameter of the insulating cap 8 is consistent with the diameter of the first conductive terminal 6, when the plug connector is inserted into the socket connector, a strong current terminal in the socket connector contacts with the insulating cap 8 at first and then contacts with the first conductive terminal 6, so that electric sparks are avoided, potential safety hazards are avoided, and the service life of the plug connector is prolonged.

The working principle of the device is as follows: when the plug connector is used, after the external socket connector is communicated with strong current and weak current, the protective cover plate 13 is opened, the plug connector and the external socket connector are matched and plugged, along with the deepening of an inserting position, the insulating cap 8 is firstly contacted with a strong current terminal in the socket connector, the generation of electric sparks is effectively avoided, the potential safety hazard is avoided, when the plug connector and the external socket connector are inserted in place, the first conductive terminal 6 is in close contact with and conducted with the strong current terminal in the socket connector, and meanwhile, the second conductive terminal 7 is in close contact with and conducted with the weak current terminal in the socket connector, so that the electrical connection is realized.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a lithium cell group plug connector that charges and discharges, includes casing (1), its characterized in that: the upper part of the front end of the shell (1) is fixedly provided with an accommodating cavity (2), the accommodating cavity (2) is circular, a partition plate (3) is fixedly mounted inside the accommodating cavity (2), the partition plate (3) divides the accommodating cavity (2) into a first accommodating cavity (4) and a second accommodating cavity (5), a first conductive terminal (6) is fixedly mounted inside the first accommodating cavity (4), a second conductive terminal (7) is fixedly mounted inside the second accommodating cavity (5), and an insulating cap (8) is fixedly wrapped at the front end of the first conductive terminal (6);

the shell (1) comprises a front shell (9), a rear seat (10) and a rear cover (11), the accommodating cavity (2) is fixedly connected to the front end of the front shell (9), the rear seat (10) is fixed to the rear end of the front shell (9), the rear end of the front shell (9) and the rear seat (10) are coated by the rear cover (11), and the rear cover (11), the rear seat (10) and the front shell (9) are spliced and embedded to be fixed together.

2. The lithium battery pack charging and discharging plug connector according to claim 1, wherein: the partition plate (3) divides the accommodating cavity (2) into a first accommodating cavity (4) and a second accommodating cavity (5) which are equal in size.

3. The lithium battery pack charging and discharging plug connector according to claim 1, wherein: the rear ends of the first conductive terminals (6) and the second conductive terminals (7) penetrate through the front shell (9) and are fixed inside the rear seat (10), the number of the first conductive terminals (6) is two, the first conductive terminals are respectively an anode and a cathode, the number of the second conductive terminals (7) is five, and the second conductive terminals (7) are distributed on the same straight line.

4. The lithium battery pack charging and discharging plug connector according to claim 1, wherein: the rear end of the insulating cap (8) is provided with a threaded section, the front end of the first conductive terminal (6) is provided with a threaded hole, the insulating cap (8) is in threaded connection with the front end of the first conductive terminal (6), and the maximum diameter of the insulating cap (8) is consistent with the diameter of the first conductive terminal (6).

5. The lithium battery pack charging and discharging plug connector according to claim 1, wherein: the front end fixed mounting of preceding shell (9) has guard ring (12), and guard ring (12) enclose and establish the periphery in holding chamber (2), leaves between guard ring (12) and holding chamber (2) to be equipped with waterproof recess, and the upper portion swing joint of guard ring (12) has protective cover board (13), and adds on protective cover board (13) to be equipped with waterproof rubber circle.