CN217215011U

CN217215011U - Square cylinder composite titanium lithium battery PACK connecting piece

Info

Publication number: CN217215011U
Application number: CN202123067909.3U
Authority: CN
Inventors: 高峰; 吴明珠; 张要枫; 赵冬梅; 陈雨
Original assignee: Hubei Titanium Era New Energy Co Ltd
Current assignee: Hubei Titanium Era New Energy Co Ltd
Priority date: 2021-12-08
Filing date: 2021-12-08
Publication date: 2022-08-16
Anticipated expiration: 2031-12-08

Abstract

The utility model provides a compound titanium lithium cell PACK connecting piece of square cylinder, multisection battery pass through the connecting piece parallelly connected and the series connection mode is connected, and the connecting piece both ends are equipped with positive grade respectively and detain or the negative pole is detained, perhaps both ends are the same positive grade and detain or the negative pole is detained, and positive grade is detained and is through-hole or blind hole structure, and positive grade is detained the card on positive grade post, and the semicircle ring structure is detained to the negative pole, and the negative pole is detained semicircle ring structure and is connected with the negative pole post. The battery is connected by adopting the simple connecting piece, the positive button and the negative button of the connecting piece can be connected with the battery quickly, the cost is lower, and the use is simple.

Description

Square cylinder composite titanium lithium battery PACK connecting piece

Technical Field

The utility model belongs to the technical field of the compound titanium lithium cell of square cylinder and specifically relates to a compound titanium lithium cell PACK connecting piece of square cylinder is related to.

Background

The battery PACK is the processing and assembling of a combined battery and a battery PACK, and accessories such as a protective plate, a lead, a battery fixing bracket, a PACK box and the like are assembled through series-parallel connection welding and fixing to obtain a battery module for secondary charging and discharging. Battery PACK includes battery module, winding displacement, protection shield, PACK spare, PACK case etc.. There are two total PACK structures: one is a wiring mode, the other is a PACK connecting mode, and a wire connector is welded on a battery by using current limiting, so that the series-parallel connection effect of the battery is achieved, but the PACK has the following problems: 1. the installation efficiency is poor, and the high-power charging and discharging of the battery is also limited by the welding mode of the wire joint. 2. The welding of the wire end and the conductive surface of the battery is complex, and meanwhile, the wire end has great potential safety hazard and is easy to cause short circuit. 3. The service life is short. By using the connection mode of the PACK device, the prior PACK device has the following problems: 1. and is not suitable for various batteries PACK. 2. The manufacturing cost is high. 3. The welding step is relatively cumbersome.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a compound titanium lithium cell PACK connecting piece of square cylinder, solves PACK spare connected mode and makes the higher comparatively loaded down with trivial details problem of welding step.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the utility model provides a compound titanium lithium cell PACK connecting piece of square cylinder, multisection battery are parallelly connected and the series connection mode is connected through the connecting piece, and the connecting piece both ends are equipped with positive grade respectively and detain or the negative pole is detained, and perhaps both ends are the same positive grade and detain or the negative pole is detained, and positive grade is detained and is through-hole or blind hole structure, and positive grade is detained the card on positive grade post, and the semi-circular ring structure is detained to the negative pole, and the negative pole is detained the semi-circular ring structure and is connected with the negative pole post.

In the preferred scheme, the inner surface of the positive pole buckle is provided with a raised snap ring which is clamped on a fixing ring on the outer surface of the positive pole.

In a preferable scheme, the inner surface of the negative pole buckle is also provided with a convex ring, and the convex ring is arranged inside a positioning ring groove of the battery negative pole column.

In the preferred scheme, the positive pole buckle and the negative pole buckle are connected through a connecting rod.

In the preferred scheme, the positive-level buckle and the negative-level buckle are provided with an upper connecting rod or a lower connecting rod, and the upper connecting rod is clamped with the lower connecting rod.

In the preferred scheme, go up the connecting rod lower surface and be equipped with a plurality of card posts, lower connecting rod is equipped with a plurality of mounting grooves that match the card post, and the card post is established and is connected connecting rod and lower connecting rod in mounting groove inside.

In the preferred scheme, go up the connecting rod upper surface and still be equipped with the welding groove, the welding groove is coaxial with the card post, and the welding bottom of the groove is close to card post top.

The utility model provides a compound titanium lithium cell PACK connecting piece of square cylinder adopts simple connecting piece to connect the battery, and the positive grade of connecting piece is detained and the negative pole is detained and can be linked the battery fast, and the cost is lower, and is simple to use, and production efficiency is high. Can be applicable to various battery module PACK. High current charge and discharge can be used. Convenient welding, higher safety and longer service life.

Drawings

The invention will be further described with reference to the following drawings and examples:

FIG. 1 is a general block diagram of the present invention;

FIG. 2 is a bottom structure view of the connecting member of the present invention;

fig. 3 is a structural diagram of the parallel negative pole buckle of the utility model;

FIG. 4 is a structural diagram of the parallel positive buckle of the present invention;

FIG. 5 is a front sectional view of the structure of the present invention;

fig. 6 is a mounting structure view of the positive button and the negative button of the present invention;

FIG. 7 is a disassembled structure view of the positive button and the negative button of the present invention;

FIG. 8 is a view of the structure of the bottom clamping column of the positive button and the negative button of the present invention;

fig. 9 is a structural view of the cathode button and the cathode button for mounting and dismounting;

fig. 10 is a structure view of the cathode button and the cathode button mounting groove of the present invention;

in the figure: a battery 1; a positive column 101; a negative post 102; a fixing ring 103; a positioning ring groove 104; a connecting piece 2; a positive level buckle 201; a negative button 202; a convex ring 203; a snap ring 204; a welding groove 205; a mounting slot 206; a clamp column 207; a lower connecting rod 3; an upper connecting rod 4.

Detailed Description

As shown in fig. 1 to 10, in a PACK connecting member for a square cylindrical composite lithium titanium battery, a plurality of batteries 1 are connected in parallel and in series by a connecting member 2, two ends of the connecting member 2 are respectively provided with a positive button 201 or a negative button 202, or two ends of the connecting member 2 are the same positive button 201 or the same negative button 202, the positive button 201 is a through hole or a blind hole structure, the positive button 201 is clamped on a positive column 101, the negative button 202 is a semicircular structure, and the negative button 202 is a semicircular structure connected with a negative column 102. The battery 1 is connected by the simple connecting piece 2, and the battery 1 can be quickly connected by the positive button 201 and the negative button 202 of the connecting piece 2, so that the cost is low. The through hole or blind hole structure of the positive pole buckle 201 is directly buckled on the positive pole 101, then the negative pole buckle 202 is abutted against one side surface of the negative pole 102 to be connected in series, and the positive pole buckle 201 or the negative pole buckle 202 with the same two ends of the connecting piece 2 are connected in parallel. The negative pole is detained 202 semicircle ring structure, and the lower surface of semicircle ring can support and lean on negative pole post 102 or battery 1 negative pole face, is connected with battery 1 and can increases the contact surface with negative pole post 102 bottom surface, makes to connect more stably between a plurality of batteries 1.

In a preferred scheme, a raised snap ring 204 is arranged on the inner surface of the positive-level buckle 201, and the snap ring 204 is clamped on the fixing ring 103 on the outer surface of the positive-level column 101. The snap ring 204 of the positive-level buckle 201 is clamped and fixed on the fixing ring 103 on the outer surface of the positive-level column 101.

Preferably, the inner surface of the negative electrode buckle 202 is further provided with a convex ring 203, and the convex ring 203 is arranged inside the positioning ring groove 104 of the negative electrode post 102 of the battery 1. The convex ring 203 is arranged in the positioning ring groove 104 of the negative pole 102 of the battery 1 to limit the axial direction of the negative pole 102.

In the preferred scheme, positive level is detained 201 and is detained 202 through the connecting rod with the negative pole and connect, and positive level is detained 201 and is detained 202 with the negative pole and is equipped with connecting rod 4 or lower connecting rod 3, goes up connecting rod 4 and lower connecting rod 3 joint. As shown in fig. 6-10, the positive button 201 and the negative button 202 are connected by the upper connecting rod 4 and the lower connecting rod 3, and the positive button 201 and the negative button 202 can be separated at any time, and can be conveniently combined into different combinations at any time, so that the installation and connection are convenient.

In the preferred scheme, the lower surface of upper connecting rod 4 is equipped with a plurality of card posts 207, and lower connecting rod 3 is equipped with a plurality of mounting grooves 206 that match card posts 207, and card post 207 is established and is connected upper connecting rod 4 and lower connecting rod 3 in mounting groove 206 inside. The card post 207 card of upper connecting rod 4 is connected inside the mounting groove 206 of lower connecting rod 3, and the effect of extension can be realized to a plurality of card posts 207 and mounting groove 206.

In a preferable scheme, the upper surface of the upper connecting rod 4 is further provided with a welding groove 205, the welding groove 205 is coaxial with the clamping column 207, and the bottom of the welding groove 205 is close to the top of the clamping column 207. The welding groove 205 spot welding effectively weld-fixes the upper connecting rod 4 and the lower connecting rod 3.

Wherein the structure of the snap post 207 can also be stamped out by the stamping and welding groove 205 of the stamping machine. The welding groove 205 can be used for welding a connecting wire and can also be used as a voltage detection groove.

The above-mentioned embodiments are merely preferred technical solutions of the present invention, and should not be considered as limitations of the present invention, and the protection scope of the present invention should be defined by the technical solutions described in the claims, and equivalents including technical features in the technical solutions described in the claims. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.

Claims

1. The utility model provides a compound titanium lithium cell PACK connecting piece of square cylinder, characterized by: the multi-section batteries (1) are connected in parallel and in series through the connecting piece (2), the two ends of the connecting piece (2) are respectively provided with the positive-level buckle (201) or the negative-level buckle (202), or the two ends are the same positive-level buckle (201) or the negative-level buckle (202), the positive-level buckle (201) is of a through hole or blind hole structure, the positive-level buckle (201) is clamped on the positive-level column (101), the negative-level buckle (202) is of a semicircular structure, and the negative-level buckle (202) is of a semicircular structure and is connected with the negative-level column (102).

2. The square-cylinder composite titanium lithium battery PACK connector as claimed in claim 1, wherein: the inner surface of the positive-level buckle (201) is provided with a raised snap ring (204), and the snap ring (204) is clamped on a fixing ring (103) on the outer surface of the positive-level column (101).

3. The square-cylinder composite titanium lithium battery PACK connector as claimed in claim 1, wherein: the inner surface of the negative pole buckle (202) is also provided with a convex ring (203), and the convex ring (203) is arranged inside a positioning ring groove (104) of the negative pole post (102) of the battery (1).

4. The PACK connector for square cylindrical composite titanium lithium battery according to claim 1, wherein: the positive button (201) and the negative button (202) are connected through a connecting rod.

5. The PACK connector for square cylindrical composite titanium lithium battery according to claim 1, wherein: the positive buckle (201) and the negative buckle (202) are provided with an upper connecting rod (4) or a lower connecting rod (3), and the upper connecting rod (4) is connected with the lower connecting rod (3) in a clamping manner.

6. The square-cylinder composite titanium lithium battery PACK connector as claimed in claim 5, wherein: go up connecting rod (4) lower surface and be equipped with a plurality of card posts (207), lower connecting rod (3) are equipped with a plurality of mounting grooves (206) that match card post (207), and card post (207) are established and are connected connecting rod (4) and lower connecting rod (3) in mounting groove (206) inside.

7. The square-cylinder composite titanium lithium battery PACK connector as claimed in claim 6, wherein: the upper surface of the upper connecting rod (4) is also provided with a welding groove (205), the welding groove (205) is coaxial with the clamping column (207), and the bottom of the welding groove (205) is close to the top of the clamping column (207).