CN218867338U

CN218867338U - Battery tab with external protection structure

Info

Publication number: CN218867338U
Application number: CN202221310193.7U
Authority: CN
Inventors: 崔圭烈; 郑星南; 刘菲
Original assignee: Boer New Energy Chuzhou Co ltd
Current assignee: Boer New Energy Chuzhou Co ltd
Priority date: 2022-05-30
Filing date: 2022-05-30
Publication date: 2023-04-14
Anticipated expiration: 2032-05-30

Abstract

The utility model discloses an external protective structure's battery tab, including utmost point ear shell and utmost point ear inner core, top one side fixed mounting of utmost point ear inner core has the anode member, the outer wall of utmost point ear inner core is provided with the inner core, the outer wall both sides of inner core all bond has a plurality of elasticity frame, the inside fixed mounting of utmost point ear shell has the elastic plate, be provided with elastic filler between inner core and the elastic plate, the inner wall welding in the bottom of utmost point ear shell has the laminating layer, the bottom of utmost point ear inner core is provided with the bottom core pad, the inside card of bottom core pad is equipped with buckle spare, the bottom welding of buckle spare has the restriction piece, the depressed groove has been seted up to the bottom of utmost point ear shell, the cavity has been seted up to the bottom inner wall of utmost point ear shell, the utility model discloses an outside of core including elasticity frame and elastic filler are installed, can cushion impact force when receiving outside impact to the utmost point ear inner core carries out effectual protective structure.

Description

Battery tab with external protection structure

Technical Field

The utility model relates to a battery tab technical field, concretely relates to external protective structure's battery tab.

Background

The tab is a raw material of a lithium ion polymer battery product, the battery is divided into a positive electrode and a negative electrode, the tab is a metal conductor leading out the positive electrode and the negative electrode from a battery core, and the tab is a contact point during charging and discharging in popular terms.

If the publication number of authorizing is CN214505730U, the publication date of authorizing is 20211026 a lithium ion battery tab, it includes battery tab, battery tab's bottom and pole piece are connected, battery tab's top both sides all symmetry sets up to a plurality of obtuse angle structures, the device all sets up battery tab's top both sides to a plurality of obtuse angle structures, reduced utmost point ear collision equipment part and take place the probability damaged and turn over a book, but battery tab's protectiveness is lower, after receiving the external environment influence, battery tab appears the damage easily.

Above-mentioned and when the battery tab among the prior art was used, the outside of battery tab did not possess protective structure, caused the damage of battery tab easily, and the stability and the dampproofing effect of battery tab need further improvement.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an external protective structure's battery utmost point ear to solve the above-mentioned weak point among the prior art.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides an external protective structure's battery tab, includes utmost point ear shell and utmost point ear inner core, top one side fixed mounting of utmost point ear inner core has the positive pole piece, top one side fixed mounting of utmost point ear inner core has the negative pole piece, the outer wall of utmost point ear inner core is provided with the inner core board, the outer wall both sides of inner core board have all bonded a plurality of elasticity frame, the inside fixed mounting of utmost point ear shell has the elastic plate, be provided with elastic filler between inner core board and the elastic plate, the bottom inner wall welding of utmost point ear shell has the laminating layer, the bottom of utmost point ear inner core is provided with the core pad.

As the utility model discloses preferred embodiment, the inside card of end core pad is equipped with buckle spare, the bottom welding of buckle spare has the restriction piece.

As the utility model discloses preferred embodiment, the depressed groove has been seted up to the bottom of utmost point ear shell, the cavity has been seted up to the bottom inner wall of utmost point ear shell.

As the utility model discloses preferred embodiment, the inner wall of inner core board both sides all bonds and has sealed the piece, the top both sides of utmost point ear shell all bond and have the sealing washer.

As the utility model discloses preferred embodiment, the equal fixed mounting in both sides of utmost point ear shell has the rubber pad, the inner wall of rubber pad is provided with the inoxidizing coating.

As the utility model discloses preferred embodiment, the outer wall fixed mounting of elastic plate has the wall of separation, and the outer wall coating of wall of separation has the waterproof layer.

As the utility model discloses preferred embodiment, the outer wall welding of waterproof layer has a plurality of cross slab, fixed mounting has the inner cushion layer on the outer wall of cross slab.

In the technical solution, the battery tab with the external protection structure provided by the utility model has the advantages that through the arrangement of the elastic frame and the elastic filler, the elastic frame and the elastic filler are arranged outside the inner core plate, so that the impact force can be buffered when the battery tab is impacted by the outside, and the inner core of the tab can be effectively protected; the clamping piece is arranged above the limiting block, so that the bottom core pad and the lug shell can be connected together, and the stability of the bottom of the lug is enhanced; through the arranged sealing blocks and the sealing rings, the sealing blocks and the sealing rings are respectively arranged above the lug inner core and the lug outer shell, so that external moisture is prevented from entering the whole lug; through the baffle and the waterproof layer that set up, the barrier strength of inner core plate both sides has been strengthened to the baffle to the waterproof layer blocks the entering of outside moisture.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic view of a three-dimensional structure provided in an embodiment of a battery tab of an external protection structure of the present invention.

Fig. 2 is a schematic cross-sectional view provided in an embodiment of a battery tab of the external protection structure of the present invention.

Fig. 3 is a schematic view of a bottom core pad provided in an embodiment of a battery tab with an external protection structure.

Fig. 4 is a schematic view of a local structure provided by the battery tab of the external protection structure of the present invention.

Description of reference numerals:

the structure comprises a tab shell 1, a tab piece 2, a cathode piece 3, a protective layer 4, a rubber pad 5, an inner core plate 6, a sealing block 7, a sealing ring 8, a tab inner core 9, an elastic frame 10, elastic filler 11, an elastic plate 12, a spacing layer 13, a waterproof layer 14, a limiting block 15, a buckling piece 16, a core pad 17, an attaching layer 18, a concave groove 19, an inner cushion layer 20, a cavity 21 and a transverse partition plate 22.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

As shown in fig. 1-4, the embodiment of the utility model provides a pair of external protective structure's battery tab, including utmost point ear shell 1 and utmost point ear inner core 9, top one side fixed mounting of utmost point ear inner core 9 has anodal piece 2, top one side fixed mounting of utmost point ear inner core 9 has cathode piece 3, utmost point ear inner core 9's outer wall is provided with inner core board 6, inner core board 6's outer wall both sides all bond has a plurality of elasticity frame 10, utmost point ear shell 1's inside fixed mounting has elastic plate 12, be provided with elastic filler 11 between inner core board 6 and the elastic plate 12, utmost point ear shell 1's bottom inner wall welding has laminating layer 18, utmost point ear inner core 9's bottom is provided with end core pad 17.

Specifically, in this embodiment, including utmost point ear shell 1 and utmost point ear inner core 9, top one side fixed mounting of utmost point ear inner core 9 has anode member 2, top one side fixed mounting of utmost point ear inner core 9 has cathode member 3, the outer wall of utmost point ear inner core 9 is provided with inner core 6, a plurality of elastic frame 10 has all been bonded to inner core 6's outer wall both sides, elastic frame 10 cushions external impact force in inner core 6's outside, elastic frame 10 can kick-back, the inside fixed mounting of utmost point ear shell 1 has elastic plate 12, be provided with elastic filler 11 between inner core 6 and the elastic plate 12, elastic plate 12 and elastic filler 11 also block the protection to external impact, the bottom inner wall welding of utmost point ear shell 1 has laminating layer 18, the bottom of utmost point ear inner core 9 is provided with core pad 17, bottom core pad 17 stably sets up in laminating layer 18.

The utility model provides a pair of external protective structure's battery tab, through the elasticity frame 10 and the elastic filler 11 that set up, the outside of inner core 6 is installed to elasticity frame 10 and elastic filler 11, can cushion the impact force when receiving outside impact to carry out effectual protection to utmost point ear inner core 9.

In another embodiment, as shown in fig. 1 and 2, the inner card of the bottom core pad 17 is provided with a fastener 16, the fastener 16 is clamped in the bottom core pad 17, the bottom of the fastener 16 is welded with a limiting block 15, and the limiting block 15 is stabilized between the bottom of the tab housing 1 and the bottom core pad 17 by the fastener 16.

The utility model provides a further embodiment, as shown in fig. 1 and fig. 2, depressed groove 19 has been seted up to the bottom of utmost point ear shell 1, and cavity 21 has been seted up to the bottom inner wall of utmost point ear shell 1, and depressed groove 19 and cavity 21 reduce the weight of utmost point ear shell 1.

In still another embodiment, as shown in fig. 1 and 2, the inner walls of the two sides of the inner core plate 6 are all bonded with sealing blocks 7, the sealing blocks 7 seal the upper side of the tab housing 1, the sealing rings 8 are bonded on the two sides of the top of the tab housing 1, and the sealing rings 8 seal the bottom of the anode member 2 and the bottom of the cathode member 3 against moisture.

In still another embodiment, as shown in fig. 1, rubber pads 5 are fixedly mounted on both sides of the tab housing 1, the inner wall of the rubber pad 5 is provided with an protective layer 4, and the rubber pads 5 and the protective layer 4 increase the strength of both sides of the tab housing 1.

In still another embodiment, as shown in fig. 2 and 3, the outer wall of the elastic plate 12 is fixedly installed with a spacing layer 13, and the outer wall of the spacing layer 13 is coated with a waterproof layer 14, and the waterproof layer 14 prevents the entry of external moisture.

The utility model provides a further embodiment, as shown in fig. 2 and 3, the outer wall welding of waterproof layer 14 has a plurality of cross slab 22, and fixed mounting has inner cushion layer 20 on the outer wall of cross slab 22, and the outside intensity of utmost point ear inner core 9 is strengthened to cross slab 22 and inner cushion layer 20.

The working principle is as follows: outer wall mounting elasticity frame 10 of inner core board 6, elasticity frame 10 and elastic filler 11 protect the resilience to outside impact, reduce utmost point ear inner core 9's damage, waterproof layer 14 outside spacer layer 13 prevents that outside moisture from getting into, the stability of inner core board 6 is strengthened to diaphragm plate 22 and inner cushion 20, it is fixed between inner core board 6 and utmost point ear shell 1 including sealed piece 7, sealing washer 8 prevents that outside moisture from advancing the bottom of positive pole piece 2 and negative pole piece 3, buckle 16 on the restriction piece 15 can block in end core pad 17, increase the connectivity of inner core board 6 and utmost point ear shell 1 bottom, and cavity 21 reduces the weight of utmost point ear shell 1, inoxidizing coating 4 and rubber pad 5 block the protection to its surface in the both sides of utmost point ear shell 1.

Certain exemplary embodiments of the present invention have been described above by way of illustration only, and it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides an external protective structure's battery tab, includes utmost point ear shell (1) and utmost point ear inner core (9), its characterized in that, top one side fixed mounting of utmost point ear inner core (9) has positive pole piece (2), top one side fixed mounting of utmost point ear inner core (9) has negative pole piece (3), the outer wall of utmost point ear inner core (9) is provided with inner core board (6), the outer wall both sides of inner core board (6) all bond and have a plurality of elasticity frame (10), the inside fixed mounting of utmost point ear shell (1) has elastic plate (12), be provided with elastic filler (11) between inner core board (6) and elastic plate (12), the bottom inner wall welding of utmost point ear shell (1) has laminating layer (18), the bottom of utmost point ear inner core (9) is provided with core pad (17).

2. The battery tab with the external protection structure as claimed in claim 1, wherein a buckle (16) is clamped inside the bottom core pad (17), and a limiting block (15) is welded at the bottom of the buckle (16).

3. The battery tab with the external protection structure as set forth in claim 1, wherein the bottom of the tab housing (1) is provided with a recessed groove (19), and the bottom inner wall of the tab housing (1) is provided with a cavity (21).

4. The battery tab with the external protection structure as set forth in claim 1, wherein the inner walls of the inner core plate (6) are bonded with sealing blocks (7), and the top of the tab housing (1) is bonded with sealing rings (8).

5. The battery tab with the external protection structure according to claim 1, wherein rubber pads (5) are fixedly mounted on both sides of the tab housing (1), and the inner wall of each rubber pad (5) is provided with a protection layer (4).

6. The battery tab with external protection structure as claimed in claim 1, wherein the outer wall of the elastic plate (12) is fixedly installed with a spacing layer (13), and the outer wall of the spacing layer (13) is coated with a waterproof layer (14).

7. The battery tab with the external protection structure as claimed in claim 6, wherein a plurality of transverse separators (22) are welded on the outer wall of the waterproof layer (14), and an inner cushion layer (20) is fixedly mounted on the outer wall of each transverse separator (22).