CN214043756U

CN214043756U - Soft packet of lithium ion battery circular arc encapsulation head of button

Info

Publication number: CN214043756U
Application number: CN202120150920.7U
Authority: CN
Inventors: 黄东; 刘金山; 刘卫华
Original assignee: Shenzhen Yanhua New Energy Technology Co ltd
Current assignee: Shenzhen Yanhua New Energy Technology Co ltd
Priority date: 2021-01-20
Filing date: 2021-01-20
Publication date: 2021-08-24
Anticipated expiration: 2031-01-20

Abstract

The utility model discloses a soft packet of lithium ion battery circular arc encapsulation head of button, including upper cover and low head, the middle part of upper cover is erect and is installed the upper cover main part, the middle part of low head be equipped with upper cover main part complex low head main part, reserve the clearance between the two head main parts, this clearance can be placed and treat the plastic-aluminum membrane of encapsulation, on, the middle part of low head main part is equipped with the cross section along the direction of height of corresponding head and is the through groove of half-circular arc, is equipped with spacing boss and mounting groove on upper cover and the low head respectively. When the two end sockets are closed, the through groove in the shape of the inner sunken circular arc is matched with the circular arc shape of the button cell, so that the consistency of the packaging thickness of the cell after packaging can be completely ensured, the upper end socket and the lower end socket are respectively provided with the limiting lug bosses and the mounting grooves, and the multifunctional integration of limiting, sealing, mounting and positioning and the like is realized on the packaging end sockets.

Description

Soft packet of lithium ion battery circular arc encapsulation head of button

Technical Field

The utility model belongs to the technical field of the battery, concretely relates to soft packet of lithium ion battery circular arc encapsulation head of button.

Background

At present, lithium ion batteries have the advantages of high specific energy, many recycling times, long storage time and the like, are widely applied to portable electronic equipment such as mobile phones, digital video cameras and portable computers, and are also widely applied to large and medium-sized electric equipment such as electric automobiles, electric bicycles, electric tools and the like, so that the safety requirement on the lithium ion batteries is higher and higher.

For top-sealing packaging of the tab position of the button type soft package lithium ion battery, a hard-sealing packaging mode is often adopted. Wherein most independent parts such as spacing boss, utmost point ear auxiliary heating structure and head in hard packaging structure. Therefore, each part needs to be assembled when the button cell is capped and packaged every time, and the operation is complex.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a soft packet of lithium ion battery circular arc encapsulation head of button aims at solving the problem that above-mentioned background art mentioned.

In order to achieve the purpose, the utility model adopts the following technical scheme that the button soft package lithium ion battery arc packaging end socket comprises an upper end socket and a lower end socket which are arranged at an upper interval and a lower end socket, an upper end socket main body is vertically arranged in the middle of the upper end socket, a lower end socket main body matched with the upper end socket main body is vertically arranged in the middle of the lower end socket, a gap is reserved between the upper end socket main body and the lower end socket main body, an aluminum plastic film to be packaged can be placed in the gap, a groove with a semi-circular arc-shaped cross section is arranged in the middle of the upper end socket main body and the lower end socket main body along the height direction of the corresponding end sockets, first limiting bosses are respectively arranged at two ends of the bottom of the upper end socket, second limiting bosses which are arranged corresponding to the first limiting bosses one by one are respectively arranged at two ends of the top of the lower end socket main body, a plurality of first mounting grooves are respectively arranged at two sides of the upper end socket main body, the lower head is located the both sides of lower head main part are equipped with a plurality of second mounting grooves respectively.

Furthermore, the bottom of the upper head main body and the bottoms of the two first limiting bosses are positioned on the same horizontal plane, and the upper surface of the lower head main body is lower than the upper surface of the second limiting boss.

Further, the height difference between the upper surface of the lower end socket main body and the upper surface of the second limiting boss is 120-300 microns.

Further, the upper end enclosure and the lower end enclosure are processed and manufactured by brass.

Further, the bottom of upper cover in the both sides of upper cover main part are followed the length direction of upper cover is equipped with the first groove of dodging respectively, the top of low head in the both sides of low head main part are followed the length direction of low head is equipped with the second respectively and dodges the groove.

The utility model has the advantages that the end socket comprises an upper end socket and a lower end socket, wherein the middle parts of the upper end socket and the lower end socket are vertically provided with end socket main bodies, a gap for placing an aluminum plastic film to be packaged is reserved between the two end socket main bodies, and the middle parts of the upper end socket main body and the lower end socket main body are provided with a through groove with a semi-arc-shaped cross section along the height direction of the corresponding end sockets. When the two end sockets are closed, the through groove in the shape of the inner sunken circular arc is matched with the circular arc shape of the button cell, so that the consistency of the packaging thickness of the cell after packaging can be completely ensured, the upper end socket and the lower end socket are respectively provided with the limiting lug bosses and the mounting grooves, and the multifunctional integration of limiting, sealing, mounting and positioning and the like is realized on the packaging end sockets.

Drawings

Fig. 1 is a front view of a button soft-package lithium ion battery arc-shaped packaging end socket provided by an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an upper head according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of the lower head provided by the embodiment of the present invention.

In the figure:

1, sealing an end socket; 11-an upper end enclosure main body; 12-a first limit boss; 13-a first mounting groove; 14-a first avoidance slot;

2-lower end enclosure; 21-lower end socket main body; 22-a second limit boss; 23-a second mounting groove; 24-a second avoidance slot;

and 3, penetrating the groove.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Referring to fig. 1-3, an arc packaging end socket for a button soft package lithium ion battery comprises an upper end socket 1 and a lower end socket 2 which are arranged at an upper and lower interval. An upper seal head main body 11 is vertically arranged in the middle of the upper seal head 1, a lower seal head main body 21 matched with the upper seal head main body 11 is vertically arranged in the middle of the lower seal head 2, and a gap is reserved between the upper seal head main body 11 and the lower seal head main body 21 and can be used for placing an aluminum-plastic film to be packaged. The middle parts of the upper end socket body and the lower end socket body are provided with the through grooves 3 along the height direction of the corresponding end sockets, so that when the battery is packaged, the battery body is placed at the port of the through grooves 3, and the packaging is guaranteed to be effective without damaging the battery. Preferably, the cross section of the through groove 3 is a semi-circular arc structure, and is adapted to the shape of the button type soft package lithium ion battery, so as to realize the circular arc encapsulation of the button type battery.

Referring to fig. 2 to 3, first limiting bosses 12 are respectively disposed at two ends of the bottom of the upper sealing head 1, and second limiting bosses 22 corresponding to the first limiting bosses 12 are respectively disposed at two ends of the top of the lower sealing head 2. The first limit boss 12 and the second limit boss 22 are matched to limit the displacement of the upper end enclosure and the lower end enclosure, so that the upper end enclosure main body 11 is accurately abutted to the lower end enclosure main body 21. Wherein, the both sides that upper cover 1 lies in upper cover main part 11 are equipped with a plurality of first mounting grooves 13 respectively, and the both sides that lower cover 2 lies in lower cover main part 21 are equipped with a plurality of second mounting grooves 23 respectively. The installation grooves are formed in the upper end enclosure and the lower end enclosure respectively, so that the end enclosures can be stably installed on the packaging machine.

Compared with the prior art, the end socket comprises an upper end socket and a lower end socket, wherein end socket main bodies are respectively arranged on one side of the middle parts of the upper end socket and the lower end socket, a gap for placing an aluminum-plastic film to be packaged is reserved between the two end socket main bodies, limiting bosses are respectively arranged at two ends of the upper end socket and the lower end socket, and a through groove 3 with a semicircular arc-shaped cross section is arranged in the middle parts of the upper end socket main body and the lower end socket main body along the height direction of the corresponding end sockets. When the two end sockets are closed, the through groove 3 in the shape of the inner sunken circular arc is matched with the circular arc shape of the button cell, so that the consistency of the packaging thickness of the cell after packaging can be completely ensured. In addition, be equipped with spacing boss and mounting groove respectively on upper and lower head, be about to spacing, seal, installation multi-functional integration such as location on a encapsulation head, simple structure saves the cost of manufacture.

Specifically, referring to fig. 2 and 3, the bottom of the upper head main body 11 and the bottoms of the two first limiting bosses 12 are located on the same horizontal plane, and the upper surface of the lower head main body 21 is lower than the upper surface of the second limiting boss 22.

Wherein, the difference in height of the upper surface of the lower head main body 21 and the upper surface of the second limit boss 22 is T. The T value is designed according to the thickness of the aluminum plastic film used for packaging, and the range of the T value is 120-300 microns.

Further, first mounting groove 13 is four, and four first mounting grooves 13 symmetric distribution are in the both sides of upper head main part 11, and are located the first top of dodging groove 14. Correspondingly, second mounting groove 23 is four, and each second mounting groove 23 sets up with first mounting groove 13 one-to-one, through embedding the screw toward the mounting groove in, just so makes upper and lower head stabilize on the packaging machine, the simple operation.

Further, the bottom of the upper end enclosure 1 is provided with first avoidance grooves 14 on two sides of the upper end enclosure main body 11 along the length direction of the upper end enclosure 1, and the top of the lower end enclosure 2 is provided with second avoidance grooves 24 on two sides of the lower end enclosure main body 21 along the length direction of the lower end enclosure 2.

In the embodiment, the upper head 1 and the lower head 2 are made of brass. The brass has high hardness and good wear resistance, so that the seal head can resist deformation, the service life of the seal head is prolonged, and the replacement frequency of the seal head is reduced. The seal head is preferably made of H62 and H65 brass materials in view of the durability and the economy of the seal head when the seal head is used in a high-temperature environment of 160-200 ℃ for a long time.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A button soft package lithium ion battery arc packaging end socket comprises an upper end socket and a lower end socket which are arranged at intervals up and down, it is characterized in that an upper seal head main body is vertically arranged in the middle of the upper seal head, a lower seal head main body matched with the upper seal head main body is vertically arranged in the middle of the lower seal head, a gap is reserved between the upper seal head main body and the lower seal head main body, the gap can be used for placing an aluminum-plastic film to be packaged, the middle parts of the upper and lower seal head main bodies are provided with a through groove with a semi-arc-shaped cross section along the height direction of the corresponding seal head, the two ends of the bottom of the upper end enclosure are respectively provided with a first limiting lug boss, the two ends of the top of the lower end enclosure are respectively provided with a second limiting lug boss which is in one-to-one correspondence with the first limiting lug bosses, the upper end enclosure is located the both sides of upper end enclosure main part are equipped with a plurality of first mounting grooves respectively, the low head is located the both sides of low head main part are equipped with a plurality of second mounting grooves respectively.

2. The arc packaging end socket for the button soft-package lithium ion battery according to claim 1, wherein the bottom of the upper end socket main body and the bottoms of the two first limiting bosses are located on the same horizontal plane, and the upper surface of the lower end socket main body is lower than the upper surface of the second limiting boss.

3. The arc-shaped packaging end socket for the button soft-package lithium ion battery as claimed in claim 2, wherein the height difference between the upper surface of the lower end socket main body and the upper surface of the second limiting boss is 120-300 μm.

4. The button soft package lithium ion battery arc packaging end socket according to any one of claims 1 to 3, wherein the upper end socket and the lower end socket are processed and manufactured by brass.

5. The arc-shaped packaging end socket for the button soft-package lithium ion battery according to claim 4, wherein first avoidance grooves are respectively formed in the two sides of the upper end socket body at the bottom of the upper end socket along the length direction of the upper end socket, and second avoidance grooves are respectively formed in the two sides of the lower end socket body at the top of the lower end socket along the length direction of the lower end socket.