CN215988968U

CN215988968U - New forms of energy are apron for lithium cell

Info

Publication number: CN215988968U
Application number: CN202121800587.6U
Authority: CN
Inventors: 翁静芳
Original assignee: Suzhou Xinshengjia Technology Co ltd
Current assignee: Suzhou Xinshengjia Technology Co ltd
Priority date: 2021-08-04
Filing date: 2021-08-04
Publication date: 2022-03-08
Anticipated expiration: 2031-08-04

Abstract

The utility model discloses a cover plate for a new energy lithium battery, which relates to the technical field of lithium battery components, and particularly relates to a cover plate for a new energy lithium battery. This new forms of energy is apron for lithium cell, the spacing rand card that will lap the bottom is inside lithium cell casing, and exert elasticity to spacing ring and location inserted bar through compression spring, inside the jack of lithium cell casing inside wall is advanced to the inserted bar card of will fixing a position, can realize the installation to the apron, and is easy and simple to handle, the equipment that does not need the specialty operates, and the assembly cost is reduced, press down the regulation depression bar in addition and drive the drive block and move down, and the extrusion is moved from the piece and the location inserted bar, can take off the apron, the later stage of being convenient for will lap the dismantlement and maintain the battery core.

Description

New forms of energy are apron for lithium cell

Technical Field

The utility model relates to the technical field of lithium battery components, in particular to a cover plate for a new energy lithium battery.

Background

Lithium batteries have opened a new energy storage revolution and have provided power throughout the world, from smart phones to electric vehicles, lithium batteries are ubiquitous, and they have laid the way for the increasingly tightly connected world. Compared with other commercialized rechargeable batteries, the lithium battery has the advantages of high energy density, long cycle life, wide working temperature range, safety, reliability and the like. As is known in the art, a lithium battery includes a case, a lithium battery cell (including a plurality of positive and negative electrode sheets insulated and separated by separators) disposed therein, and a cover plate.

Common lithium cell apron welds on the shell usually at present, need use professional welding equipment and welding material when the welding, the production technology is loaded down with trivial details, and adopt the welding to install the apron, the maintenance is dismantled in the later stage is troublesome, furthermore, current apron is relatively poor to the fixed effect of battery core after the installation, take place some jolts, under the condition of collision, the easy rocking everywhere of lithium cell of setting in the apron below, not only can scrape components such as apron, still can seriously influence the normal use and the working life of lithium cell self, we propose a new forms of energy lithium cell for this reason apron in order to solve the above-mentioned problem of proposing.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the cover plate for the new energy lithium battery, which has the advantages of convenience in fixing a battery core, convenience in mounting and dismounting and the like, and solves the problems in the background technology.

In order to realize the purposes of conveniently fixing the battery core and conveniently mounting and dismounting, the utility model is realized by the following technical scheme: the utility model provides a new forms of energy are apron for lithium cell, includes apron, lithium cell casing, two mounting holes have been seted up at the top of apron, and the equal joint in inside of two mounting holes has insulating cover, two the inside of insulating cover has movably cup jointed negative pole spliced pole, positive pole spliced pole respectively, the equal threaded connection in bottom of negative pole spliced pole and positive pole spliced pole has the elasticity telescopic link, the equal fixed mounting in the left and right sides of apron bottom has the link, and the inside movable mounting of link has the location inserted bar, the one end fixed mounting of location inserted bar has the driven piece, the inside movable mounting of apron has the adjusting press pole, and the bottom fixed mounting of adjusting press pole has the drive block, lithium cell casing joint is in the bottom of apron.

Preferably, the explosion-proof hole has been seted up at the middle part of apron, and the top joint in explosion-proof hole has the explosion-proof piece, the bottom fixed mounting of apron has spacing rand, the through hole of mutually supporting with the location inserted bar is seted up to the left and right sides of spacing rand.

Preferably, the driving block is located above the driven block, and the driving block and the driven block are provided with mutually matched inclined planes.

Preferably, the positioning insertion rod is fixedly sleeved with a limiting ring, and the positioning insertion rod is movably sleeved with a compression spring between the connecting frame and the limiting ring.

Preferably, the two positioning insertion rods are distributed on the left side and the right side of the cover plate in a mirror image mode, and the two positioning insertion rods are located in the middle of the front side and the rear side of the cover plate.

Preferably, the jack that mutually supports with the location inserted bar is seted up to the left and right sides of lithium cell casing inner wall, the inside dimensional value of lithium cell casing is the same with the outside dimensional value of spacing rand.

The utility model provides a new energy cover plate for a lithium battery, which has the following beneficial effects:

1. this new forms of energy is apron for lithium cell, the spacing rand card that will lap the bottom is inside lithium cell casing, and exert elasticity to spacing ring and location inserted bar through compression spring, inside the jack of lithium cell casing inside wall is advanced to the inserted bar card of will fixing a position, can realize the installation to the apron, and is easy and simple to handle, the equipment that does not need the specialty operates, and the assembly cost is reduced, press down the regulation depression bar in addition and drive the drive block and move down, and the extrusion is moved from the piece and the location inserted bar, can take off the apron, the later stage of being convenient for will lap the dismantlement and maintain the battery core.

2. This new forms of energy is apron for lithium cell through the bottom threaded connection elasticity telescopic link at cathode connecting post, positive pole spliced pole, conducts through elasticity telescopic link, when guaranteeing the circular telegram of cathode connecting post, positive pole spliced pole, exerts elasticity to the battery core through elasticity telescopic link, has guaranteed the stability of battery core, prevents that the battery core from violently rocking the damage when using.

Drawings

FIG. 1 is a schematic structural view of the present invention as a whole;

FIG. 2 is a schematic structural view of a limiting collar and a lithium battery case section according to the present invention;

FIG. 3 is a schematic view of the bottom of the cover plate according to the present invention;

fig. 4 is a schematic structural view of the cover plate of the present invention in a partial explosion.

In the figure: 1. a cover plate; 2. mounting holes; 3. an insulating sleeve; 4. a cathode connection post; 5. an anode connection post; 6. an elastic telescopic rod; 7. an explosion-proof hole; 8. an explosion-proof sheet; 9. a limiting retainer ring; 10. a connecting frame; 11. positioning the inserted rod; 12. a driven block; 13. a compression spring; 14. a drive block; 15. adjusting the pressure lever; 16. a lithium battery case.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1 and fig. 2, the present invention provides a technical solution: a cover plate for a new energy lithium battery comprises a cover plate 1 and a lithium battery shell 16, wherein two mounting holes 2 are formed in the top of the cover plate 1, insulating sleeves 3 are clamped in the two mounting holes 2, a cathode connecting post 4 and an anode connecting post 5 are respectively movably sleeved in the two insulating sleeves 3, elastic telescopic rods 6 are respectively in threaded connection with the bottoms of the cathode connecting post 4 and the anode connecting post 5, the elastic telescopic rods 6 at the bottoms of the cathode connecting post 4 and the anode connecting post 5 are in contact with electrodes of a battery core, conduction is carried out through the elastic telescopic rods 6, the cathode connecting post 4 and the anode connecting post 5 can be electrified, meanwhile, elasticity is applied to the battery core through the elastic telescopic rods 6, the position of the battery core is limited, the battery core is prevented from being severely damaged by shaking during use, connecting frames 10 are fixedly installed on the left side and the right side of the bottom of the cover plate 1, and positioning insertion rods 11 are movably installed in the connecting frames 10, one end of the positioning insertion rod 11 is fixedly provided with a driven block 12, the inner part of the cover plate 1 is movably provided with an adjusting pressure rod 15, the bottom end of the adjusting pressure rod 15 is fixedly provided with a driving block 14, and a lithium battery shell 16 is clamped at the bottom of the cover plate 1.

Please refer to fig. 3 and 4, an explosion-proof hole 7 is formed in the middle of the cover plate 1, an explosion-proof plate 8 is clamped at the top of the explosion-proof hole 7, a limiting clamp ring 9 is fixedly mounted at the bottom of the cover plate 1, through holes matched with the positioning insertion rods 11 are formed in the left side and the right side of the limiting clamp ring 9, when the cover plate 1 is mounted, the position of the cover plate 1 is limited by the matching of the limiting clamp ring 9 and the positioning insertion rods 11, the stability of the cover plate 1 after mounting is ensured, meanwhile, the through holes matched with the positioning insertion rods 11 are opened and closed at the two sides of the limiting clamp ring 9, the positioning insertion rods 11 can be moved inside the through holes, and the mounting and dismounting of the cover plate 1 are realized.

Referring to fig. 2 and 3, the driving block 14 is located above the driven block 12, the driving block 14 and the driven block 12 are provided with mutually matched inclined planes, the driving block 14 is pressed by the adjusting pressure rod 15 to move downwards, the driven block 12 and the positioning insertion rod 11 are extruded to move towards the middle of the cover plate 1, and the position of the positioning insertion rod 11 is controlled, so that the cover plate 1 is mounted and dismounted, the effectiveness of the device is ensured, meanwhile, because the angle between the adjusting pressure rod 15 and the positioning insertion rod 11 is ninety degrees, the relative positions of the driven block 12 and the driving block 14 are prevented from changing by the mutual limitation of the driven block 12 and the driving block 14, the limiting ring is fixedly sleeved outside the positioning insertion rod 11, the compression spring 13 located between the connecting frame 10 and the limiting ring is movably sleeved outside the positioning insertion rod 11, after the cover plate 1 is clamped on the top of the lithium battery shell 16, the elastic force is applied to the limiting ring and the positioning insertion rod 11 through the compression spring 13, the positioning insertion rods 11 can be clamped into the insertion holes in the inner wall of the lithium battery shell 16 to realize the installation of the cover plate 1, meanwhile, the compression springs 13 continuously apply elasticity to the positioning insertion rods 11 to protect the stability of the positioning insertion rods 11 during working, the two positioning insertion rods 11 are arranged on the left side and the right side of the cover plate 1 in a mirror image mode, the two positioning insertion rods 11 are arranged in the middle of the front side and the rear side of the cover plate 1 to limit the installation positions of the two positioning insertion rods 11, after the cover plate 1 is installed on the top of the lithium battery shell 16 through the two positioning insertion rods 11, the left side and the right side and the front side of the positioning insertion rods 11 are stressed in a balanced mode, the stability of the cover plate 1 after installation is further improved, the insertion holes matched with the positioning insertion rods 11 are formed in the left side and the right side of the inner wall of the lithium battery shell 16, the size value in the lithium battery shell 16 is the same as the size value outside the limiting clamping ring 9, the cover plate 1 is clamped on the top of the lithium battery shell 16 through the limiting clamping ring 9, the stability of the cover plate 1 is ensured, and the cover plate 1 is prevented from loosening and falling off.

To sum up, the cover plate for the new energy lithium battery, when in use, two adjusting pressure rods 15 at the top of the cover plate 1 are pressed to drive a driving block 14 to move downwards, a driven block 12 and a positioning insertion rod 11 are extruded by the driving block 14 to move towards the middle of the cover plate 1, a limiting clamping ring 9 at the bottom of the cover plate 1 is clamped into a lithium battery shell 16, the adjusting pressure rods 15 are loosened, elastic force is applied to a limiting ring and the positioning insertion rod 11 through a compression spring 13, the positioning insertion rod 11 is clamped into a jack on the inner side wall of the lithium battery shell 16 to realize the installation of the cover plate 1, an elastic telescopic rod 6 at the bottom of a cathode connecting post 4 and an anode connecting post 5 is in contact with an electrode of a battery core, the cathode connecting post 4 and the anode connecting post 5 are electrified, meanwhile, the elastic telescopic rod 6 applies elastic force to the battery core to limit the position of the battery core, and the battery core is prevented from shaking violently when in use, when the cover plate 1 needs to be detached, the adjusting pressure rod 15 is pressed to drive the driving block 14, the driven block 12 and the positioning insertion rod 11 to move, the position of the cover plate 1 is not limited, and the cover plate 1 is taken down.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a new forms of energy are apron for lithium cell, includes apron (1), lithium cell casing (16), its characterized in that: the top of the cover plate (1) is provided with two mounting holes (2), the insides of the two mounting holes (2) are respectively clamped with an insulating sleeve (3), the insides of the two insulating sleeves (3) are respectively and movably sleeved with a cathode connecting column (4) and an anode connecting column (5), the bottoms of the cathode connecting column (4) and the anode connecting column (5) are both in threaded connection with an elastic telescopic rod (6), the left side and the right side of the bottom of the cover plate (1) are both fixedly provided with a connecting frame (10), a positioning inserted rod (11) is movably arranged in the connecting frame (10), a driven block (12) is fixedly arranged at one end of the positioning inserted rod (11), an adjusting pressure rod (15) is movably arranged in the cover plate (1), and the bottom fixed mounting who adjusts depression bar (15) has drive block (14), lithium cell casing (16) joint is in the bottom of apron (1).

2. The cover plate for the new energy lithium battery as claimed in claim 1, wherein: explosion-proof hole (7) have been seted up at the middle part of apron (1), and the top joint of explosion-proof hole (7) has explosion-proof piece (8), the bottom fixed mounting of apron (1) has spacing rand (9), the through hole of mutually supporting with location inserted bar (11) is seted up to the left and right sides of spacing rand (9).

3. The cover plate for the new energy lithium battery as claimed in claim 1, wherein: the driving block (14) is located above the driven block (12), and the driving block (14) and the driven block (12) are provided with mutually matched inclined planes.

4. The cover plate for the new energy lithium battery as claimed in claim 1, wherein: the outer part of the positioning inserted bar (11) is fixedly sleeved with a limiting ring, and the outer part of the positioning inserted bar (11) is movably sleeved with a compression spring (13) positioned between the connecting frame (10) and the limiting ring.

5. The cover plate for the new energy lithium battery as claimed in claim 1, wherein: two location inserted bar (11) mirror image distribution in the left and right sides of apron (1), two location inserted bar (11) are located the middle part of apron (1) front and back both sides.

6. The cover plate for the new energy lithium battery as claimed in claim 1, wherein: the jack that mutually supports with location inserted bar (11) is seted up to the left and right sides of lithium cell casing (16) inner wall, the inside dimensional value of lithium cell casing (16) is the same with the outside dimensional value of spacing rand (9).