CN218896785U

CN218896785U - Connector for multiple groups of lithium batteries

Info

Publication number: CN218896785U
Application number: CN202223238331.8U
Authority: CN
Inventors: 张伟
Original assignee: Shandong Boxin Tongda Technology Service Co ltd
Current assignee: Yueqing Zhongcun Electronics Technology Co ltd
Priority date: 2022-12-05
Filing date: 2022-12-05
Publication date: 2023-04-21
Anticipated expiration: 2032-12-05

Abstract

The utility model relates to the technical field of lithium battery connectors, in particular to a connector for a plurality of groups of lithium batteries, which comprises: the connecting top cover is connected with the side wall of the connecting top cover through threads, a movable cavity is formed in the top surface of the fastening bolt, and friction pads are fixedly arranged on the upper surface and the lower surface of the inside of the movable cavity; the internally mounted of connecting the top cap has protective structure, protective structure includes the limiting plate, the limiting plate inserts the inside of establishing at fastening bolt's movable chamber, the middle part fixed mounting of limiting plate has the threading pipe, the rotation chamber has been seted up to the upper end of threading pipe inner wall. According to the connector, the upper end of the threading pipe is provided with the bent pipe in the shape of the door, so that the middle part of the wire can be bent when the wire penetrates, water drops cannot move into the connecting top cover along the surface of the wire, the connector is safer, the bent pipe can rotate relative to the threading pipe, the threading requirements of wires at different positions can be met, and the practicability is higher.

Description

Connector for multiple groups of lithium batteries

Technical Field

The utility model relates to the technical field of lithium battery connectors, in particular to a connector for a plurality of groups of lithium batteries.

Background

The lithium battery is a battery using metallic lithium as a negative electrode, also called a lithium metal battery, and currently, the most common lithium battery structure for consumers uses metallic lithium as a negative electrode, manganese dioxide as a positive electrode, and lithium salt dissolved in an organic solvent as an electrolyte.

For this, chinese application number: CN202220108996.8 discloses a connector for a lithium battery pack, which comprises a connecting top cover, a first wiring hole and a second wiring hole are formed in two sides of the upper end of the connecting top cover, a positive electrode protection seat is slidably mounted in the first wiring hole, a negative electrode protection seat is slidably mounted in the second wiring hole, a positive electrode binding post clamping groove is formed in the positive electrode protection seat, a negative electrode binding post clamping groove is formed in the negative electrode protection seat, and protection covers are clamped on the upper sides of the positive electrode protection seat and the negative electrode protection seat.

This connector is through being provided with the protection seat that can translate the activity, can satisfy the terminal joint protection of different positions and handle, but this protection seat is when using, needs to vertically insert the electric wire inside the protection seat, when the surface of electric wire exists the drop of water, the drop of water can be along the surface downwardly moving of electric wire, exists certain potential safety hazard.

Therefore, in order to solve the above-mentioned problems, a connector for a plurality of sets of lithium batteries is proposed.

Disclosure of Invention

The utility model aims to provide a connector for a plurality of groups of lithium batteries, which solves the problems that the connector in the background art can meet the requirements of terminal clamping protection treatment at different positions by arranging a protection seat capable of moving horizontally, but when the protection seat is used, an electric wire needs to be vertically inserted into the protection seat, and when water drops exist on the surface of the electric wire, the water drops can move downwards along the surface of the electric wire, so that a certain potential safety hazard exists.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a connector for multiple sets of lithium batteries, comprising: the connecting top cover is connected with the side wall of the connecting top cover through threads, a movable cavity is formed in the top surface of the fastening bolt, and friction pads are fixedly arranged on the upper surface and the lower surface of the inside of the movable cavity;

the internally mounted who connects the top cap has protective structure, protective structure includes the spacing dish, the inside in fastening bolt's movable chamber is inserted to the spacing dish, the middle part fixed mounting of spacing dish has the threading pipe, the rotation chamber has been seted up to the upper end of threading pipe inner wall, movable mounting has the card ball in the inner wall in rotation chamber, the one end fixedly connected with first spring of card ball, the upper end movable mounting of spacing dish has the return bend, the lower extreme fixed mounting of return bend has the ring gear, the movable groove has been seted up on the inner wall of return bend.

Preferably, the inside mounting of return bend has location structure, location structure includes the butt pole, butt pole movable mounting is in the inside of movable groove, the bottom fixedly connected with pull rod of butt pole, the outside fixedly connected with second spring of pull rod upper end.

Preferably, two groups of movable cavities are arranged.

Preferably, the surface of the limiting disc is tightly attached to the friction pad, the threading pipe penetrates through the top wall of the top cover, and one end of the first spring is fixedly connected with the inner wall of the rotating cavity.

Preferably, the bent pipe is in a door-shaped structure, and the end part of the first spring is clamped inside the toothed ring.

Preferably, the bottom end of the pull rod is exposed out of the bottom surface of the bent pipe, and the other end of the second spring is fixedly connected with the inner wall of the movable groove.

Compared with the prior art, the utility model has the beneficial effects that: according to the connector, the upper end of the threading pipe is provided with the bent pipe in the shape of the door, so that the middle part of the wire can be bent when the wire penetrates, water drops cannot move into the connecting top cover along the surface of the wire, the connector is safer, the bent pipe can rotate relative to the threading pipe, the threading requirements of wires at different positions can be met, and the practicability is higher.

1. Be provided with protective structure, the upper and lower two sides and two sets of friction pad of limiting plate closely laminate, the activity of limiting plate in the activity intracavity portion has great damping, make limiting plate can stop at any time and keep fixed, avoid the displacement, and during the use, need penetrate the return bend inside with the electric wire, and the return bend is "door" font structure, make the electric wire when penetrating the threading pipe inside, the middle part has one section bending, make the drop of water can not remove inside the connection top cap along the surface of electric wire, it is safer, the return bend can be rotatory for the threading pipe, the penetration needs of adaptable different position electric wires, and the card ball can block the surface at the ring gear under the effect of first spring, can fix the angle of return bend, make the installation of return bend stable, the practicality is stronger.

2. The positioning structure is arranged, the pull rod can be pulled downwards before the electric wire penetrates into the bent pipe, the pull rod extrudes the second spring, the pull rod drives the abutting rod to descend in the movable groove, the bent pipe can be smooth, after the electric wire penetrates into the bent pipe, the pull rod is loosened, the abutting rod can reset under the action of the second spring, the abutting rod moves upwards to abut against the surface of the electric wire, the electric wire can be fixed in the bent pipe, the influence on the electric wire connected with the inner part of the top cover is reduced when the electric wire is pulled, and the stability of the device is further improved.

Drawings

FIG. 1 is a schematic elevational view of the structure of the connecting cap of the present utility model;

FIG. 2 is a schematic bottom view of the structure of the connecting top cover of the present utility model;

FIG. 3 is a schematic cross-sectional elevation view of the structure of the conduit of the present utility model;

FIG. 4 is a schematic exploded view of the structure of the elbow of the present utility model;

FIG. 5 is a schematic exploded view of the positioning structure of the present utility model.

In the figure: 1. connecting a top cover; 11. a fastening bolt; 12. a movable cavity; 13. a friction pad; 2. a protective structure; 21. a limiting disc; 22. a threading tube; 23. a rotating chamber; 24. ball clamping; 25. a first spring; 26. bending the pipe; 27. a toothed ring; 28. a movable groove; 3. a positioning structure; 31. a butt joint rod; 32. a pull rod; 33. and a second spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, an embodiment of the present utility model is provided:

the connecting top cover 1 and the fastening bolt 11 used in the present application are directly available products in the market, and the principle and the connecting manner are all well known in the prior art to those skilled in the art, so that they are not described herein again.

A connector for multiple sets of lithium batteries, comprising: the connecting top cover 1 is connected with a fastening bolt 11 in a threaded manner on the side wall of the connecting top cover 1, a movable cavity 12 is formed in the top surface of the fastening bolt 11, and friction pads 13 are fixedly arranged on the upper surface and the lower surface of the inside of the movable cavity 12;

the internally mounted who connects top cap 1 has protective structure 2, protective structure 2 includes spacing dish 21, spacing dish 21 inserts the inside of establishing the movable chamber 12 at fastening bolt 11, the middle part fixed mounting of spacing dish 21 has threading pipe 22, the rotation chamber 23 has been seted up to the upper end of threading pipe 22 inner wall, movable mounting has card ball 24 in the inner wall of rotation chamber 23, the one end fixedly connected with first spring 25 of card ball 24, the upper end movable mounting of spacing dish 21 has return bend 26, the lower extreme fixed mounting of return bend 26 has ring gear 27, the movable groove 28 has been seted up on the inner wall of return bend 26, fastening bolt 11 will connect top cap 1 joint in the outside of lithium cell upper portion, can protect the upper portion of lithium cell, the return bend 26 of "door" font makes the electric wire when penetrating, the middle part has one section crooked, make the drop of water can not remove inside connecting top cap 1 along the surface of electric wire, it is safer, and return bend 26 rotatable for the needs of penetrating of threading pipe 22 electric wire in different positions, the practicality is stronger.

Further, the positioning structure 3 is installed inside the bent pipe 26, the positioning structure 3 comprises a supporting rod 31, the supporting rod 31 is movably installed inside the movable groove 28, a pull rod 32 is fixedly connected to the bottom end of the supporting rod 31, a second spring 33 is fixedly connected to the outer side of the upper end of the pull rod 32, and the supporting rod 31 can fix the electric wire inside the bent pipe 26.

Further, two groups of movable cavities 12 are provided, and the two groups of movable cavities 12 provide channels for connecting wires with positive and negative electrodes.

Further, the surface of the limiting disc 21 is tightly attached to the friction pad 13, the threading tube 22 penetrates through the top wall of the top cover 1, one end of the first spring 25 is fixedly connected with the inner wall of the rotating cavity 23, the friction pad 13 is used for fixing the limiting disc 21 in the moving cavity 12, rainwater infiltration is reduced, and the first spring 25 is used for providing power for the clamping ball 24 to be clamped in the toothed ring 27.

Further, the bent pipe 26 is of a door-shaped structure, the end portion of the first spring 25 is clamped inside the toothed ring 27, the bent pipe 26 is shaped so that when the electric wire penetrates, the middle portion of the electric wire is bent, and water drops cannot move to the inside of the connecting top cover 1 along the surface of the electric wire, so that the electric wire is safer.

Further, the bottom end of the pull rod 32 is exposed out of the bottom surface of the bent pipe 26, the other end of the second spring 33 is fixedly connected with the inner wall of the movable groove 28, and the second spring 33 provides power for the abutting rod 31 to abut against the bottom of the electric wire.

Working principle: the upper and lower two sides and two sets of friction pads 13 of limiting plate 21 closely laminate, the activity of limiting plate 21 inside movable chamber 12 has great damping, make limiting plate 21 can stop at any time and keep fixed, avoid the displacement, and during the use, need penetrate inside return bend 26 with the electric wire, and return bend 26 is "door" font structure, make the electric wire when penetrating inside threading pipe 22, the middle part has one section bending, make the drop of water can not remove inside connecting top cap 1 along the surface of electric wire, it is safer, return bend 26 can rotate for threading pipe 22, the penetration needs of adaptable different position electric wires, and card ball 24 can block the surface at ring 27 under the effect of first spring 25, can fix the angle of return bend 26, make the installation of return bend 26 stable, the practicality is stronger.

Before the electric wire penetrates into the bent pipe 26, the pull rod 32 is pulled downwards, the pull rod 32 extrudes the second spring 33, the pull rod 32 drives the abutting rod 31 to descend in the movable groove 28, the bent pipe 26 can be smooth, after the electric wire penetrates into the bent pipe 26, the pull rod 32 is loosened, the abutting rod 31 can reset under the action of the second spring 33, the abutting rod 31 moves upwards to abut against the surface of the electric wire, the electric wire can be fixed in the bent pipe 26, the influence on the electric wire connected with the inner side part of the top cover 1 can be reduced when the electric wire is pulled, and the stability of the device is further improved.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A connector for multiple sets of lithium batteries, comprising: the connecting top cover (1), the side wall of the connecting top cover (1) is connected with a fastening bolt (11) in a threaded manner, a movable cavity (12) is formed in the top surface of the fastening bolt (11), and friction pads (13) are fixedly arranged on the upper surface and the lower surface of the inside of the movable cavity (12);

the method is characterized in that:

the utility model discloses a protection structure, including protection structure (2), protection structure (2) are including limiting plate (21), limiting plate (21) are inserted and are established in the inside of the movable chamber (12) of fastening bolt (11), the middle part fixed mounting of limiting plate (21) has threading pipe (22), rotation chamber (23) have been seted up to the upper end of threading pipe (22) inner wall, movable mounting has card ball (24) in the inner wall of rotation chamber (23), the one end fixedly connected with first spring (25) of card ball (24), the upper end movable mounting of limiting plate (21) has return bend (26), the lower extreme fixed mounting of return bend (26) has toothed ring (27), movable groove (28) have been seted up on the inner wall of return bend (26).

2. A connector for multiple sets of lithium batteries according to claim 1, wherein: the inside mounting of return bend (26) has location structure (3), location structure (3) include supporting rod (31), supporting rod (31) movable mounting is in the inside of movable groove (28), the bottom fixedly connected with pull rod (32) of supporting rod (31), the outside fixedly connected with second spring (33) of pull rod (32) upper end.

3. A connector for multiple sets of lithium batteries according to claim 1, wherein: the movable cavity (12) is provided with two groups.

4. A connector for multiple sets of lithium batteries according to claim 1, wherein: the surface of limiting disc (21) closely laminates with friction pad (13), threading pipe (22) pass through the roof of connecting top cap (1), the one end and the inner wall fixed connection who rotates chamber (23) of first spring (25).

5. A connector for multiple sets of lithium batteries according to claim 1, wherein: the bent pipe (26) is of a door-shaped structure, and the end part of the first spring (25) is clamped in the toothed ring (27).

6. A connector for multiple sets of lithium batteries according to claim 2, wherein: the bottom end of the pull rod (32) is exposed out of the bottom surface of the bent pipe (26), and the other end of the second spring (33) is fixedly connected with the inner wall of the movable groove (28).