CN217361695U

CN217361695U - Soft packet of cylinder battery convenient to assembly

Info

Publication number: CN217361695U
Application number: CN202220825375.1U
Authority: CN
Inventors: 戈志敏; 肖海燕; 顾勇平; 明应时; 刘晓伟; 罗腾萍; 董水金; 吴勇民; 刘祥郡
Original assignee: Xinyu Ganfeng Electronics Co Ltd
Current assignee: Xinyu Ganfeng Electronics Co Ltd
Priority date: 2022-04-11
Filing date: 2022-04-11
Publication date: 2022-09-02
Anticipated expiration: 2032-04-11

Abstract

The utility model provides a soft packet of cylinder battery convenient to assembly. The soft-packaged cylindrical battery comprises an electric core, one end of the electric core is a positive end, the other end of the electric core is a negative end, the positive end is provided with highland barley paper and bent to form a positive lug and a negative lug, the soft-packaged cylindrical battery further comprises two steel shells, one of the two steel shells is provided with a steel shell cover, the positive end is fixedly connected with the positive lug, and the other steel shell cover is arranged at the negative end and fixedly connected with the negative lug. The utility model discloses a soft-packaged cylindrical battery convenient to assemble, at first, utilize the steel casing protection fixed electric core positive negative pole utmost point ear, the appearance is pleasing to the eye, regular, and the size is stable, and the uniformity is good; secondly, the battery can be directly connected with the client-side elastic pole through the steel shell, so that the switching of a lead is reduced, and the aim of quick assembly is fulfilled; and finally, auxiliary materials such as adhesive tapes and the like are not used for protecting the battery cell, so that the process is simplified, and the manufacturing efficiency is high.

Description

Soft packet of cylinder battery convenient to assembly

Technical Field

The utility model relates to a lithium ion battery technical field especially relates to a soft packet of cylinder battery convenient to assembly.

Background

Referring to fig. 1, the conventional soft-package cylindrical battery is assembled by sealing edges and pressing corners at two ends of a battery cell 1; secondly, sticking brown high-temperature glue 13 bags of side edges on the side surfaces of the battery cell; thirdly, pasting highland barley paper 11 on the positive pole and the negative pole and then folding the pole ears; then, attaching brown high-temperature glue 12 to the positive and negative lugs to fix the lugs, and folding the lugs for the second time; and finally, wrapping red Mara glue 14 on the positive electrode of the battery core, and wrapping black Mara glue 15 on the negative electrode of the battery core.

The existing soft-package cylindrical battery has the disadvantages of complicated working procedures, pure manual operation, low efficiency and high reject ratio; secondly, the external dimension is irregular; thirdly, the process and materials are various; finally, the insulation sealing effect is poor.

SUMMERY OF THE UTILITY MODEL

In view of the above, there is a need to provide a pouch cylindrical battery that is easy to assemble.

The utility model provides a cylinder battery soft-packaged convenient to assembly, cylinder battery soft-packaged includes electric core, the one end of electric core is the positive terminal, the other end of electric core is the negative pole end, the positive terminal with the negative pole end is pasted respectively and is equipped with highland barley paper and bend and form anodal ear and negative pole ear, cylinder battery soft-packaged still includes two shells, one of them the shell cover is located the positive terminal and with anodal ear fixed connection, the other one the shell cover is located the negative pole end and with negative pole ear fixed connection, two the shell cladding respectively in anodal ear with on the surface of negative pole ear.

Furthermore, the positive tab is fixedly connected with the surface of one of the steel shell sleeves in a welding mode, and the negative tab is fixedly connected with the surface of the other steel shell sleeve in a welding mode.

Furthermore, the two ends of the battery cell are subjected to angle pressing through edge sealing.

Further, the soft package cylindrical battery further comprises an insulating tube, and the insulating tube is sleeved on the battery core.

Further, the insulating tube is a heat-shrinkable sleeve.

The utility model discloses a cylinder battery soft-packaged convenient to assembly, cylinder battery soft-packaged includes electric core, the one end of electric core is the positive terminal, the other end of electric core is the negative pole end, positive terminal and negative pole end paste respectively and are equipped with highland barley paper and bend and form positive tab and negative pole ear, cylinder battery soft-packaged still includes two shells, one of them shell cover locate the positive terminal and with positive tab fixed connection, another one shell cover locate the negative pole end and with negative pole ear fixed connection, two shells cladding respectively on the surface of positive tab and negative pole ear.

The utility model discloses a soft-packaged cylindrical battery convenient to assemble, at first, utilize the steel casing protection fixed electric core positive negative pole utmost point ear, the appearance is pleasing to the eye, regular, and the size is stable, and the uniformity is good; secondly, the battery can be directly connected with the client-side elastic pole through the steel shell, so that the switching of a lead is reduced, and the aim of quick assembly is fulfilled; and finally, auxiliary materials such as adhesive tapes and the like are not used for protecting the battery cell, so that the process is simplified, and the manufacturing efficiency is high.

Compared with the prior art, the soft package cylindrical battery convenient to assemble has more regular appearance and lower requirement on a customer product cavity; the battery cell can be better protected from being scratched by foreign objects by utilizing the steel shell; the size of a battery-containing cavity of a client product can be reduced, and tight fit is achieved.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic perspective structure view of a conventional soft-package cylindrical battery;

fig. 2 is the utility model discloses a laminate polymer cylinder battery's convenient to assembly structural schematic.

The reference numbers in the drawings are as follows:

the device comprises a battery core 1, highland barley paper 11, a steel shell 2 and an insulating tube 3.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be embodied in many other forms different from those described herein and similar modifications may be made by those skilled in the art without departing from the spirit and scope of the invention and, therefore, the invention is not to be limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 2, the utility model provides a soft packet of cylinder battery convenient to assembly, soft packet of cylinder battery includes electric core 1, the one end of electric core is the positive terminal, the other end of electric core is the negative pole end, the positive terminal with the negative pole end is pasted respectively and is equipped with highland barley paper 11 and bend and form positive pole ear and negative pole ear, soft packet of cylinder battery still includes two box hat 2, one of them the box hat cover is located the positive terminal and with positive pole ear fixed connection, the other one the box hat cover is located the negative pole end and with negative pole ear fixed connection, two the box hat cladding respectively in positive pole ear with on the surface of negative pole ear.

In one embodiment, the positive tab is fixedly connected with the surface of one of the steel casings by welding, and the negative tab is fixedly connected with the surface of the other steel casing by welding.

In one embodiment, the two ends of the battery cell are subjected to corner pressing through edge sealing.

In one embodiment, the soft-packaged cylindrical battery further comprises an insulating tube 3, and the insulating tube is sleeved on the battery core. The insulating tube can be a heat-shrinkable sleeve or other sleeves with insulating property.

The utility model discloses a soft-packaged cylindrical battery convenient to assemble, the installation process is as follows, firstly, the edges are sealed and pressed on the two ends of the battery cell; secondly, pasting highland barley paper on the positive electrode and the negative electrode and then folding the tabs; welding the polar ear in the steel shell, and then sleeving the steel shell on two ends of the battery cell (note that the notch of the steel shell is aligned with the edge sealing of the battery cell); then, placing the battery core into a mold of an injection molding machine for injection molding; and finally, sleeving an insulating tube.

The utility model discloses a soft-packaged cylindrical battery convenient to assembly, at first, utilize the box hat protection fixed electric core positive negative pole utmost point ear, the appearance is pleasing to the eye, regular, and the size is stable, and the uniformity is good; secondly, the battery can be directly connected with the client-side elastic pole through the steel shell, so that the switching of a lead is reduced, and the aim of quick assembly is fulfilled; and finally, auxiliary materials such as adhesive tapes and the like are not used for protecting the battery cell, so that the process is simplified, and the manufacturing efficiency is high.

Compared with the prior art, the soft package cylindrical battery convenient to assemble has more regular appearance and lower requirement on a die cavity of a customer product; the cell can be better protected from being scratched by foreign objects by utilizing the steel shell; the size of a battery-containing cavity of a client product can be reduced, and tight fit is achieved.

The above embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a laminate polymer cylinder battery convenient to assembly which characterized in that: the cylinder battery of soft package includes electric core, the one end of electric core is the positive terminal, the other end of electric core is the negative pole end, the positive terminal with the negative pole end is pasted respectively and is equipped with highland barley paper and bend and form positive ear and negative pole ear, cylinder battery of soft package still includes two shells, one of them the shell cover is located the positive terminal and with positive ear fixed connection, another one the shell cover is located the negative pole end and with negative pole ear fixed connection, two the shell cladding respectively in positive ear with on the surface of negative pole ear.

2. The pouch cylindrical battery of claim 1 that facilitates assembly, wherein: the positive tab is fixedly connected with the surface of one of the steel shell sleeves in a welding mode, and the negative tab is fixedly connected with the surface of the other steel shell sleeve in a welding mode.

3. The pouch cylindrical battery of claim 2, which facilitates assembly, wherein: and pressing corners at two ends of the battery cell through edge sealing.

4. The pouch cylindrical battery of claim 3 that facilitates assembly, wherein: the soft package cylindrical battery further comprises an insulating tube, and the insulating tube is sleeved on the battery core.

5. The pouch cylindrical battery of claim 4 which facilitates assembly, wherein: the insulating tube is a heat-shrinkable sleeve.