CN215451571U

CN215451571U - Anti-falling cap for lithium iron phosphate battery

Info

Publication number: CN215451571U
Application number: CN202121037605.XU
Authority: CN
Inventors: 李穷; 邵振东
Original assignee: Anhui Jiechuang Technology Co Ltd
Current assignee: Anhui Jiechuang Technology Co Ltd
Priority date: 2021-05-15
Filing date: 2021-05-15
Publication date: 2022-01-07
Anticipated expiration: 2031-05-15

Abstract

The utility model discloses an anti-falling cap for a lithium iron phosphate battery, which comprises a cap and a battery case, wherein one side of the upper end of the battery case is provided with a mounting groove, the cap is positioned in the mounting groove, two sides of the lower end in the mounting groove are respectively provided with a sliding groove, the lower ends of two sides of the cap are respectively provided with a sliding edge, the sliding edges and the sliding grooves are in adaptive design, two outer sides of the cap are respectively provided with a clamping groove near the front end, two sides in the mounting groove are respectively provided with a clamping pin which is elastically connected with the shell wall of the battery case through a spring, when the cap is mounted in the mounting groove on the battery case, gas impacts the bottom surface of the cap when gas is generated in the battery, the impact direction of the gas on the cap and the sliding direction of the cap form a ninety-degree included angle, the gas cannot extrude the cap from the mounting groove, the cap has good anti-falling effect, and the push block pushes the cap to push the groove on the upper end surface of the cap out of the mounting groove, the cap is buckled and moved out of the mounting groove through the digging groove, and the cap is convenient to disassemble.

Description

Anti-falling cap for lithium iron phosphate battery

Technical Field

The utility model relates to the technical field of battery equipment, in particular to an anti-falling cap for a lithium iron phosphate battery.

Background

The lithium iron phosphate battery is a lithium ion battery using lithium iron phosphate as a positive electrode material, and the positive electrode material of the lithium ion battery mainly comprises lithium cobaltate, lithium manganate, lithium nickelate, ternary materials, lithium iron phosphate and the like, wherein the lithium cobaltate is a positive electrode material used by most of the lithium ion batteries at present.

After the lithium cell was used for a long time, especially when the battery overcharged, the inside gas inflation that can produce of battery, the fastening force of being connected between block and battery case is not enough can lead to the block to drop, leads to the battery to damage.

In order to solve the above problems, we propose an anti-drop cap for a lithium iron phosphate battery.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to overcome the defects of the prior art and provide an anti-drop cap for a lithium iron phosphate battery, and in order to solve the technical problem, the utility model provides the following technical scheme:

the utility model relates to an anti-falling cap for a lithium iron phosphate battery, which comprises a cap and a battery case, wherein one side of the upper end of the battery case is provided with a mounting groove, the cap is positioned in the mounting groove, two sides of the lower end in the mounting groove are respectively provided with a sliding groove, the lower ends of two sides of the cap are respectively provided with a sliding edge, the sliding edges and the sliding grooves are in adaptive design, two outer sides of the cap are respectively provided with a clamping groove near the front end, two sides in the mounting groove are respectively provided with a clamping pin near the front end, the clamping pins are elastically connected with the wall of the battery case through a first spring, and the heads of the clamping pins are positioned in the clamping grooves.

Preferably, the head of the clamping pin is of a hemispherical structure, and the shape of the clamping groove is matched with that of the clamping pin.

Preferably, the side surfaces of the cap are attached to the inner wall of the mounting groove, a push block is arranged in the wall of the other side of the upper end of the battery case and elastically connected with the battery case through a second spring, and the inner end of the push block is attached to the outer wall of the cap.

Preferably, the upper end face of the cap is provided with a digging groove close to the outer side.

Preferably, the end surface of the cap close to the outer side is respectively provided with a positive electrode and a negative electrode.

Preferably, the upper end face of the battery shell is provided with a plurality of radiating grids which are communicated with the inside of the mounting groove.

Compared with the prior art, the utility model has the following beneficial effects:

1. inside through installing the mounting groove on the battery case with the block, gaseous bottom surface to the block strikes when the inside production of battery is gaseous, and gaseous impact direction to the block is ninety degrees contained angles with the roll-off direction of block, and gaseous can not extrude the block from the mounting groove, and the anti-drop of block is effectual.

2. Through promoting the ejector pad, the ejector pad promotes the block and releases the mounting groove with digging the groove of block up end, and the rethread is dug the groove and is detained the block and shift out the mounting groove with the block, and the block is dismantled conveniently.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic view of the overall exploded structure of the present invention;

FIG. 2 is a schematic view of the overall side view internal structure of the present invention;

FIG. 3 is a schematic view of the overall front view internal structure of the present invention;

FIG. 4 is an enlarged view of the area A indicated in FIG. 2;

fig. 5 is a schematic view of a larger structure of the area B indicated in fig. 3.

In the figure: 1. capping; 2. a battery case; 3. mounting grooves; 4. a chute; 5. sliding the edge; 6. a card slot; 7. a bayonet lock; 8. a first spring; 9. a push block; 10. a second spring; 11. digging grooves; 12. a positive electrode; 13. a negative electrode; 14. and a heat dissipation grid.

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 described herein for the purpose of illustration and explanation and not limitation.

Examples

As shown in fig. 1-5, an anti-drop cap for a lithium iron phosphate battery comprises a cap 1 and a battery case 2, wherein a mounting groove 3 is formed in one side of the upper end of the battery case 2, the cap 1 is located inside the mounting groove 3, sliding grooves 4 are formed in two sides of the lower end of the mounting groove 3, sliding edges 5 are arranged at the lower ends of two sides of the cap 1, the sliding edges 5 and the sliding grooves 4 are designed in a matched mode, a clamping groove 6 is formed in two outer sides of the cap 1 close to the front end, clamping pins 7 are arranged in two inner sides of the mounting groove 3 close to the front end, the clamping pins 7 are elastically connected with the case wall of the battery case 2 through springs 8, and the heads of the clamping pins 7 are located inside the clamping groove 6.

In this embodiment, the head of the bayonet pin 7 is of a hemispherical structure, and the shape of the clamping groove 6 is matched with that of the bayonet pin 7, so that the bayonet pin 7 can be conveniently clamped into and removed from the clamping groove 6.

In this embodiment, the side of the cap 1 is attached to the inner wall of the mounting groove 3, a push block 9 is arranged in the wall of the other side of the upper end of the battery case 2, the push block 9 is elastically connected to the battery case 2 through a second spring 10, the inner end of the push block 9 is attached to the outer wall of the cap 1 to push the push block 9, and the push block 9 pushes the cap 1 to move the front end of the cap 1 out of the mounting groove 3.

In this embodiment, the up end of block 1 is equipped with by the outside and digs groove 11, detains block 1 through digging groove 11, conveniently shifts out mounting groove 3 with block 1.

In this embodiment, the outer end surfaces of the caps 1 are respectively provided with a positive electrode 12 and a negative electrode 13, and the circuit is connected through the positive electrode 12 and the negative electrode 13.

In this embodiment, the up end of battery case 2 is equipped with a plurality of grids 14 that dispel the heat, and grid 14 and mounting groove 3 are inside to be communicate, improve the inside radiating effect of mounting groove 3.

The principle and the advantages of the utility model are as follows: when the anti-falling cap is used, the sliding edge 5 is connected with the sliding groove 4 in a sliding manner, the cap 1 is inserted into the mounting groove 3, when the cap 1 is completely pushed into the mounting groove 3, the bayonet pin 7 is clamped inside the clamping groove 6 under the action of the first spring 8, so that the cap 1 is fixed, after the battery is used for a long time, gas is generated inside the battery, the battery shell 2 expands, and the gas impacts the bottom surface of the cap 1, because the cap 1 is positioned inside the mounting groove 3, the impact direction of the gas on the cap 1 and the sliding-out direction of the cap 1 form a ninety-degree included angle, so that the gas is not enough to extrude the cap 1 from the mounting groove 3, the anti-falling effect of the cap 1 is good, the pushing block 9 can be pushed by using a sharp object, the pushing block 9 pushes the cap 1 to push the mounting groove 11 on the upper end surface of the cap 1, the cap 1 is buckled by the digging groove 11 and is pushed out of the cap 1 from the mounting groove 3, the cap 1 is convenient to disassemble.

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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. 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. The utility model provides a lithium iron phosphate is anti-drop block for battery, a serial communication port, including block (1) and battery case (2), mounting groove (3) have been seted up to upper end one side of battery case (2), block (1) is located inside mounting groove (3), spout (4) have all been seted up to the inside lower extreme both sides of mounting groove (3), the both sides lower extreme of block (1) all is equipped with slick slide (5), slick slide (5) and spout (4) looks adaptation design, the front end all is equipped with one draw-in groove (6) by the front end in the both sides of block (1), the front end all is equipped with one bayonet lock (7) by the inside both sides of mounting groove (3), bayonet lock (7) are through the conch wall elastic connection of a spring (8) and battery case (2), the head of bayonet lock (7) is located inside draw-in groove (6).

2. The anti-drop cap for the lithium iron phosphate battery as claimed in claim 1, wherein: the head of the bayonet lock (7) is of a hemispherical structure, and the shape of the bayonet lock (6) is matched with that of the bayonet lock (7).

3. The anti-drop cap for the lithium iron phosphate battery as claimed in claim 1, wherein: the side face of the cap (1) is attached to the inner wall of the mounting groove (3), a push block (9) is arranged in the wall of the other side of the upper end of the battery case (2), the push block (9) is elastically connected with the battery case (2) through a second spring (10), and the inner end of the push block (9) is attached to the outer wall of the cap (1).

4. The anti-drop cap for the lithium iron phosphate battery as claimed in claim 1, wherein: the upper end face of the cap (1) is provided with a digging groove (11) close to the outer side.

5. The anti-drop cap for the lithium iron phosphate battery as claimed in claim 1, wherein: and the end surface of the cover cap (1) close to the outer side is respectively provided with an anode (12) and a cathode (13).

6. The anti-drop cap for the lithium iron phosphate battery as claimed in claim 1, wherein: the upper end face of the battery shell (2) is provided with a plurality of radiating grids (14), and the radiating grids (14) are communicated with the inside of the mounting groove (3).