CN218160610U

CN218160610U - Lithium ion battery cell

Info

Publication number: CN218160610U
Application number: CN202222230429.2U
Authority: CN
Inventors: 孔雷; 孔彪; 刘贺宁
Original assignee: Shandong Xingyu Enterprise S&t Co ltd
Current assignee: Shandong Xingyu Enterprise S&t Co ltd
Priority date: 2022-08-24
Filing date: 2022-08-24
Publication date: 2022-12-27
Anticipated expiration: 2032-08-24

Abstract

The utility model discloses a lithium ion battery cell, the utility model relates to a lithium battery technology field, which comprises an outer shell, the inside of shell is provided with the core, the upper portion of core is provided with utmost point ear, the upper portion of shell is provided with the apron, the both sides intermediate position department of apron all is provided with the fastener, the top both sides intermediate position department of shell all is provided with the joint piece corresponding with the fastener. This lithium ion cell, through setting up the fastener, utilize the elasticity of spring, press the uide bushing, can make the card axle on the limiting plate break away from in the draw-in groove from the joint piece, thereby accomplish the dismantlement work of apron, replaced the mode that a plurality of bolts were dismantled to the tradition, and then great reduction the time that the apron was dismantled, high convenience and high speed, through set up the spill heat-conducting plate on the shell, make the inside cooling water of spill heat-conducting plate play fine thermolysis to the core, simultaneously under the assistance of radiating groove, further improvement the radiating effect of core.

Description

Lithium ion battery cell

Technical Field

The utility model relates to a lithium cell technical field specifically is a lithium ion battery cell.

Background

Lithium batteries are batteries using lithium metal or lithium alloys as the negative electrode material and nonaqueous electrolyte solutions, the core of which is the core component of lithium batteries, which are commonly used in portable electronic devices and electric vehicles and are increasingly popular in military and aerospace applications.

An embodiment of the utility model discloses chinese patent publication No. CN216928672U provides a lithium ion battery cell, including mutually supporting cell shell and cell apron, cell shell and cell apron all are equipped with the connecting plate, through the connecting plate assembly fastener at cell shell's connecting plate and cell apron to fix the cell apron on cell shell. Use the utility model discloses, fix electric core cover plate on electric core shell through the mode at electric core shell's connecting plate and electric core cover plate's connecting plate assembly fastener, can closely fix electric core shell with electric core cover plate on, guarantee lithium ion battery electricity core's sealed effect, avoid electrolyte to spill the condition emergence that leads to causing lithium ion solution concentration to reduce from annotating the liquid hole, improve the life of battery.

However, the mode of connection between the battery core cover plate and the battery core shell is formed by fixedly connecting a plurality of bolts, so that when the core body needs to be taken, a plurality of bolts need to be disassembled with time, and the disassembly and assembly are very inconvenient.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a lithium ion battery cell has solved between the apron of current electric core and the casing through a plurality of bolt fastening, makes its dismantlement very inconvenient problem.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a lithium ion battery cell, includes the shell, the inside of shell is provided with the core, the upper portion of core is provided with utmost point ear, the upper portion of shell is provided with the apron, the both sides intermediate position department of apron all is provided with the fastener, the top both sides intermediate position department of shell all is provided with the joint piece corresponding with the fastener.

Further, the fastener is including a limiting block, the both ends of stopper are all slided and are interspersed with spacing axle, two the one end that spacing axle carried on the back mutually all is connected with the limiting plate, two the one side that the downside of limiting plate is relative all is provided with the card axle, the upper portion intermediate position department of stopper is connected with the fixed axle, the outside slip cap in upper end of fixed axle is equipped with the uide bushing, and the outside slip cap in lower extreme of fixed axle is equipped with the spring, the both ends of spring are connected with the upper portion of stopper and the downside of uide bushing respectively, the both sides lower part of uide bushing all articulates there is the regulation pole, two the lower extreme of adjusting the pole articulates respectively in two spacing one ends that the axle is relative.

Furthermore, the both ends of joint piece all are provided with the draw-in groove with card axle looks adaptation, when the spring is in natural state, two the card axle is the joint respectively in the draw-in groove at joint piece both ends.

Furthermore, the upper parts of the two sides of the limiting block are provided with guide grooves corresponding to the adjusting rods, and the adjusting rods slide through the guide grooves.

Furthermore, the front part and the rear part of the shell are both provided with concave through grooves, concave heat conducting plates are clamped in the concave through grooves, the inner sides of the concave heat conducting plates are in contact with the outer walls of the core bodies, and the concave heat conducting plates are hollow and filled with cooling water.

Furthermore, the middle positions of the two sides of the shell are provided with heat dissipation grooves.

Furthermore, four corners of the lower portion of the cover plate are provided with positioning shafts, four corners of the upper portion of the shell are provided with positioning holes corresponding to the positioning shafts, and the positioning shafts are respectively clamped in the positioning holes corresponding to the positioning shafts in a sliding mode.

The utility model provides a pair of lithium ion battery cell, compare with prior art and possess following beneficial effect:

1. this lithium ion cell through setting up the fastener, utilizes the elasticity of spring, presses the uide bushing, can make the card axle on the limiting plate break away from the draw-in groove on the joint piece to accomplish the dismantlement work of apron, replaced the tradition mode that a plurality of bolts need be dismantled, and then great reduction the time of apron dismantlement, convenient and fast.

2. This lithium ion battery cell through set up the spill heat-conducting plate on the shell, makes the inside cooling water of spill heat-conducting plate play fine radiating action to the core, simultaneously under the assistance of radiating groove, further improvement the radiating effect of core, and then can prolong the life of core.

Drawings

FIG. 1 is a schematic view of the present invention showing a part of the structure thereof;

fig. 2 is a schematic structural view of the clamping member of the present invention;

fig. 3 is an overall schematic view of the structure of the present invention.

In the figure: 1. a housing; 101. a concave through groove; 102. a concave heat conducting plate; 103. a heat sink; 2. a core body; 3. a tab; 4. a cover plate; 41. positioning the shaft; 42. positioning holes; 5. a fastener; 51. a limiting block; 52. a limiting shaft; 53. a limiting plate; 54. clamping a shaft; 55. a fixed shaft; 56. a guide sleeve; 57. a spring; 58. adjusting a rod; 59. a guide groove; 6. a clamping block; 61. a clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

The utility model provides two kinds of technical scheme:

example one

Please refer to fig. 1 and fig. 3, in an embodiment of the present invention, a lithium ion battery cell, including a housing 1, a core 2 is disposed inside the housing 1, an upper portion of the core 2 is provided with a tab 3, an upper portion of the housing 1 is provided with an cover plate 4, both sides middle position of the cover plate 4 is provided with a clamping member 5, top both sides middle position of the housing 1 is provided with a clamping block 6 corresponding to the clamping member 5, four corners of the lower portion of the cover plate 4 are provided with positioning shafts 41, four corners of the upper portion of the housing 1 are provided with positioning holes 42 corresponding to the positioning shafts 41, each positioning shaft 41 is slidably clamped in the corresponding positioning hole 42, after the positioning shafts 41 are inserted into the positioning holes 42, the positioning function is performed on the cover plate 4, and the cover plate 4 is conveniently mounted.

Please refer to fig. 2, in the embodiment of the present invention, the clamping member 5 includes a limiting block 51, two ends of the limiting block 51 are all slidably inserted with a limiting shaft 52, one end of each of the two limiting shafts 52 opposite to each other is connected with a limiting plate 53, one side of each of the two limiting plates 53 opposite to the lower side is provided with a clamping shaft 54, an upper middle position of the limiting block 51 is connected with a fixed shaft 55, an outer sliding sleeve at the upper end of the fixed shaft 55 is provided with a guide sleeve 56, a spring 57 is provided at the outer sliding sleeve at the lower end of the fixed shaft 55, two ends of the spring 57 are respectively connected with the upper part of the limiting block 51 and the lower side of the guide sleeve 56, two lower parts of the guide sleeve 56 are respectively hinged with an adjusting rod 58, the lower ends of the two adjusting rods 58 are respectively hinged with one end of the two limiting shafts 52, two ends of the clamping block 6 are respectively provided with a clamping groove 61 adapted to the clamping shaft 54, the spring 57 is in a natural state, the two clamping shafts 54 are respectively clamped in the clamping grooves 61 at two ends of the clamping block 6, the guiding sleeve 56 is pressed downwards, the two clamping grooves 59 are provided with a sliding groove 59, and the upper sliding groove 59 of the adjusting rod 59, and the upper sliding groove 59 is provided with a guide groove 59.

The second embodiment is different from the first embodiment in that:

referring to fig. 3, in the embodiment of the present invention, the front and rear portions of the casing 1 are provided with concave through grooves 101, a concave heat conducting plate 102 is clamped inside the concave through grooves 101, the inner side of the concave heat conducting plate 102 contacts with the outer wall of the core 2, the concave heat conducting plate 102 is hollow and filled with cooling water, the concave heat conducting plate 102 is made of copper material, the copper has good heat conducting property, and the heat dissipating grooves 103 are provided at the middle positions of the two sides of the casing 1.

The working principle is as follows: the guide sleeve 56 on the fixed shaft 55 is pressed downwards, the adjusting rod 58 on the guide sleeve 56 drives the limiting shaft 52 to move, the limiting shaft 52 drives the limiting plate 53 to move, the clamping shaft 54 on the limiting plate 53 is separated from the clamping groove 61 on the clamping block 6, then the cover plate 4 is lifted upwards to complete the disassembly work, during the assembly, the guide sleeve 56 is pressed similarly, the clamping shaft 54 on the limiting plate 53 is aligned with the clamping groove 61 on the clamping block 6, the guide sleeve 56 is loosened after the alignment, the guide sleeve 56 is reset by the spring 57, and the clamping shaft 54 on the limiting plate 53 is clamped into the clamping groove 61 on the clamping block 6 to complete the assembly work;

when the battery core works, the heat dissipation groove 103 plays a ventilation effect on the core body 2, and the cooling water in the concave heat conduction plate 102 plays a cooling role on the core body 2, so that the heat of the core body 2 is prevented from being too high during working.

And those not described in detail in this specification are well within the skill of the art.

It should be noted that the basic principles, main features and advantages of the present invention have been shown and described, and it should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that there can be various changes and modifications without departing from the spirit and scope of the present invention, which fall within the scope of the present invention as claimed, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. The utility model provides a lithium ion battery cell, includes shell (1), the inside of shell (1) is provided with core (2), the upper portion of core (2) is provided with utmost point ear (3), the upper portion of shell (1) is provided with apron (4), its characterized in that: clamping pieces (5) are arranged at the middle positions of the two sides of the cover plate (4), and clamping blocks (6) corresponding to the clamping pieces (5) are arranged at the middle positions of the two sides above the shell (1).

2. The lithium ion battery cell of claim 1, wherein: fastener (5) are including limiting block (51), the both ends of limiting block (51) all slide to alternate and have spacing axle (52), two spacing axle (52) one end of carrying on the back mutually all is connected with limiting plate (53), two the one side that the downside of limiting plate (53) is relative all is provided with card axle (54), the upper portion intermediate position department of limiting block (51) is connected with fixed axle (55), the outside slip cover in upper end of fixed axle (55) is equipped with uide bushing (56), and the outside slip cover in lower extreme of fixed axle (55) is equipped with spring (57), the both ends of spring (57) are connected with the upper portion of limiting block (51) and the downside of uide bushing (56) respectively, the both sides lower part of uide bushing (56) all articulates there is regulation pole (58), two the lower extreme of adjusting pole (58) articulates respectively in two relative one ends of spacing axle (52).

3. A lithium-ion battery cell according to claim 2, characterized in that: the two ends of the clamping block (6) are provided with clamping grooves (61) matched with the clamping shafts (54), and when the spring (57) is in a natural state, the two clamping shafts (54) are respectively clamped in the clamping grooves (61) at the two ends of the clamping block (6).

4. A lithium-ion battery cell according to claim 2 or 3, characterized in that: the upper parts of the two sides of the limiting block (51) are provided with guide grooves (59) corresponding to the adjusting rods (58), and the adjusting rods (58) penetrate through the guide grooves (59) in a sliding mode.

5. The lithium ion battery cell of claim 1, wherein: the front and the back of the shell (1) are respectively provided with a concave through groove (101), a concave heat conducting plate (102) is clamped inside the concave through groove (101), the inner side of the concave heat conducting plate (102) is in contact with the outer wall of the core body (2), and the concave heat conducting plate (102) is of a hollow structure and is filled with cooling water.

6. The lithium ion battery cell of claim 5, wherein: the middle positions of two sides of the shell (1) are respectively provided with a heat dissipation groove (103).

7. The lithium ion battery cell of claim 1, wherein: four corners of the lower portion of the cover plate (4) are provided with positioning shafts (41), four corners of the upper portion of the shell (1) are provided with positioning holes (42) corresponding to the positioning shafts (41), and the positioning shafts (41) are respectively clamped in the positioning holes (42) corresponding to the positioning shafts in a sliding mode.