CN217691275U

CN217691275U - Embedded soft package polymer lithium ion battery head

Info

Publication number: CN217691275U
Application number: CN202122968029.7U
Authority: CN
Inventors: 代东举; 郁亚强; 宋志新
Original assignee: Tianneng New Energy Huzhou Co ltd
Current assignee: Tianneng New Energy Huzhou Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-10-28
Anticipated expiration: 2031-11-30

Abstract

The utility model discloses an embedded soft-packaged polymer lithium ion battery end socket, which comprises an end socket and a base; the base comprises a groove, the end socket comprises a base, an embedded block is arranged on the base, the width of the base is equal to that of the base, the size of the embedded block is matched with that of the groove of the base, a pin hole is formed in the inner side of the base and the opposite position of the base, a spring and a pin are arranged in the pin hole, the pin is located above the spring, the outer diameter of the spring and the outer diameter of the pin are equal to the inner diameter of the pin hole, and the sum of the length of the pin and the length of the compressed spring is smaller than the depth of the pin hole; after the spring releases the elastic force, the top and the bottom of the pin are respectively positioned in the pin hole of the base of the seal head and the pin hole of the base. The utility model discloses embedded soft packet of polymer lithium ion battery head has cancelled the method that passes through the screw fixation head in the past, dismantles convenient and fast, and safe and firm has avoided the not hard up head wearing and tearing that lead to of head and has sealed harmfully etc. when promoting heat conduction effect.

Description

Embedded soft-package polymer lithium ion battery end socket

Technical Field

The utility model relates to an embedded soft packet of polymer lithium ion battery head.

Background

With the higher level of intelligence in recent years, the lithium battery industry is mature. The soft-package polymer lithium ion battery is an important component of a lithium battery, and is favored by consumers due to high plasticity and high safety. The heat sealing is used as an important process in the production flow of the soft package lithium ion battery, the main function of the heat sealing is to melt the pp in the aluminum plastic film, fuse 2 layers of pp together in a hot pressing state, and crystallize and solidify the pp after a heat source is removed, so that the sealing effect is achieved. As the end socket of the main tool for heat sealing, the traditional installation method is mainly fixed on the base through screws, and the following problems exist at present: the end socket is fixed with the base through a screw, the combination is not tight, and the heat conduction efficiency is low; because a common end socket needs 5-10 screws for fixing, and for a T-shaped end socket, screw holes are positioned at two sides of the end socket, only one side of the screw hole is usually seen due to limited equipment space, and the installation and the disassembly are difficult, so that the production efficiency is influenced; it is impossible to evaluate whether the screw is tightened; after the upper and lower seal heads are continuously pressed, the screw is in a loosening risk, and the heat conduction and sealing effects are influenced by the abrasion of the base after the screw is loosened; the seal head is in the heating state for a long time, also can't fall to safe temperature in the short time after the outage, and the installation and dismantlement seal head threatens greatly to equipment maintenance personnel's safety.

In order to solve the above problems, the present invention is proposed.

Disclosure of Invention

The utility model aims at providing an embedded soft packet of polymer lithium ion battery head.

The utility model adopts the technical proposal that:

an embedded soft-package polymer lithium ion battery end socket comprises an end socket and a base; the base comprises a groove, the end socket comprises a base, an embedded block is arranged on the base, the width of the base is equal to that of the base, the size of the embedded block is matched with that of the groove of the base, a pin hole is formed in the inner side of the base opposite to that of the base, a spring and a pin are arranged in the pin hole, the pin is positioned above the spring, the outer diameter of the spring and the outer diameter of the pin are equal to the inner diameter of the pin hole, and the sum of the length of the pin and the length of the compressed spring is smaller than the depth of the pin hole; after the spring releases the elastic force, the top and the bottom of the pin are respectively positioned in the pin holes of the base of the seal head and the base.

Preferably, one side of the pin comprises a convex block, correspondingly, a groove with the inner diameter smaller than that of the pin is formed outside the pin hole, the width of the groove is larger than that of the convex block of the pin, and the convex block slides up and down along the groove.

Preferably, the base or the base is provided with a through hole at a position corresponding to the groove.

Preferably, the battery head is top seal, side seal, end seal, angle seal, annotates liquid and once seals or two head and soft packet of all upper and lower heads of heat-seal.

Preferably, the shape of the insert includes, but is not limited to, a circle.

Preferably, the embedded block is in a trapezoidal or other special-shaped nestable structure.

When the seal head is installed, the spring and the pin are sequentially arranged in the pin hole in the seal head or the base, the structure of the upper pin and the lower pin is pressed down according to the upper seal head or the lower seal head, the top of the pin sinks below the plane of the pin hole, the seal head embedding block is pushed in from the groove of the base embedding block, when the two ends of the seal head are aligned, the spring bounces the pin, and the pin is pushed into the pin hole in the base or the seal head under the elastic force of the spring, so that the fixing effect is achieved.

When the seal head is disassembled, the pin is pressed into the seal head or the plane of the pin hole on the base through the convex block on the pin, and then the seal head is drawn out from one side.

The utility model has the advantages that:

the utility model discloses embedded soft packet of polymer lithium ion battery head has cancelled the use of nut, dismantles convenient and fast, and the heat conduction effect is good, has obvious advantage to promotion personnel and product safety.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is the utility model discloses embedded soft packet of polymer lithium ion battery head structure schematic diagram.

Fig. 2 is a schematic view of the spring structure of the present invention.

Fig. 3 is a schematic diagram of the pin structure of the present invention.

Fig. 4 is the schematic diagram of the sealing head structure of the present invention.

Fig. 5 is a schematic view of the base structure of the present invention.

In the figure: 1. a base; 2. embedding a block; 3. a groove; 4. sealing the end; 5. a base.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings.

Referring to fig. 1-5, an embedded soft-package polymer lithium ion battery end socket comprises an end socket 4 and a base 5; the base 5 comprises a groove 3, the end socket 4 comprises a base 1, an embedded block 2 is arranged on the base 1, the width of the base 1 is equal to that of the base 5, the size of the embedded block 2 is matched with that of the groove 3 of the base 5, a pin hole is formed in the inner side of the base 1 and the inner side of the base 5 at the opposite position, a spring and a pin are arranged in the pin hole, the pin is positioned above the spring, the outer diameter of the spring and the pin is equal to the inner diameter of the pin hole, and the sum of the length of the pin and the length of the compressed spring is smaller than the depth of the pin hole; after the spring releases the elasticity, the top and the bottom of the pin are respectively positioned in the pin holes of the base 1 and the base 5 of the seal head 4.

One side of the pin comprises a convex block, correspondingly, a groove with the inner diameter smaller than that of the pin is arranged on the outer side of the pin hole, the width of the groove is larger than that of the convex block of the pin, and the convex block slides up and down along the groove.

Through holes are arranged on the base 1 or the base 5 at positions corresponding to the grooves.

The end enclosure and the base are respectively provided with a pin hole, the diameters of the pin holes are equal, and after the two ends of the end enclosure 4 and the base 5 are aligned, the pin holes are also in an up-down aligned state; the length sum of the pin of the seal head and the compressed spring is smaller than the depth of the base or the pin hole on the seal head, and after the spring releases elasticity, the top and the bottom of the pin are respectively positioned in the pin holes of the seal head and the base. The groove that is less than its internal diameter is equipped with in head pin hole outside, and the groove width is greater than the boss width on the pin, makes things convenient for the pin to freely remove after spring force and external force are exerted pressure.

When the end socket is installed, the method comprises the following steps:

1. sequentially installing a spring and a pin into a pin hole of the end socket or the base, wherein a pin bump is arranged in a groove on the outer side of the pin hole;

2. the pin is pressed to a position below the pin hole plane through the upper lug structure of the pin;

3. pushing the end socket embedding block into the base groove to enable the end socket to be flush with two ends of the base;

4. the pin lug is loosened, and the pin is pushed into the pin hole on the other side under the action of the elastic force of the spring, so that the fixing effect is achieved.

The seal head dismounting method comprises the following steps:

1. pressing the pin lug to make the pin lug contract below the pin hole plane;

2. drawing out the end socket from one side;

3. and taking out the pin and the spring.

The embodiments of the invention are intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.

Claims

1. An embedded soft-package polymer lithium ion battery end socket is characterized by comprising an end socket (4) and a base (5); the base (5) comprises a groove (3), the end socket (4) comprises a base (1), an embedded block (2) is arranged on the base (1), the width of the base (1) is equal to that of the base (5), the size of the embedded block (2) is matched with that of the groove (3) of the base (5), pin holes are formed in the inner sides of the base (1) and the base (5) at opposite positions, springs and pins are arranged in the pin holes, the pins are located above the springs, the outer diameters of the springs and the pins are equal to the inner diameter of the pin holes, and the sum of the lengths of the pins and the compressed springs is smaller than the depth of the pin holes; after the spring releases the elastic force, the top and the bottom of the pin are respectively positioned in the pin holes of the base (1) and the base (5) of the seal head (4).

2. The embedded soft-packing polymer lithium ion battery end socket according to claim 1,

one side of the pin comprises a convex block, correspondingly, a groove with the inner diameter smaller than that of the pin is formed in the outer side of the pin hole, the width of the groove is larger than that of the convex block of the pin, and the convex block slides up and down along the groove.

3. The embedded soft-package polymer lithium ion battery end socket according to claim 2, wherein through holes are formed in the base (1) or the base (5) at positions corresponding to the grooves.

4. The embedded soft-package polymer lithium ion battery end socket according to claim 1, wherein the battery end socket is all upper and lower end sockets of top seal, side seal, bottom seal, corner seal, liquid injection primary seal or double seal end socket and soft package heat seal.

5. The embedded soft-packing polymer lithium ion battery end socket of claim 1, characterized in that: the shape of the insert (2) includes, but is not limited to, circular.

6. The embedded soft-packing polymer lithium ion battery end socket of claim 5, characterized in that: the embedded block (2) is in a trapezoidal or other special-shaped embedded structure.