CN213071298U

CN213071298U - Liquid injection device for lithium battery

Info

Publication number: CN213071298U
Application number: CN202021870924.4U
Authority: CN
Inventors: 吴亚楠
Original assignee: Chengdu Zhizi New Energy Technology Co ltd
Current assignee: Chengdu Zhizi New Energy Technology Co ltd
Priority date: 2020-09-01
Filing date: 2020-09-01
Publication date: 2021-04-27
Anticipated expiration: 2030-09-01

Abstract

The utility model provides an injection device for lithium cell relates to lithium cell technical field, including filling device body and notes liquid pipe, the equal fixed mounting in both sides has the support column around the top of filling device body, and equal fixed mounting has the backup pad between the support column, and the middle part fixed mounting of the backup pad that filling device body is located the right side has electric telescopic handle one, and one side fixed mounting that filling device body is located left backup pad and is close to electric telescopic handle one has the telescopic link. The utility model discloses in, through installing electric telescopic handle one, electric telescopic handle two and fixed frame, when filling electrolyte in to the casing of lithium cell, electric telescopic handle two promotes downwards for liquid pipe downstream is annotated in the fixed frame pulling, simultaneously, drives and annotates liquid mouth downstream, makes annotate the inside that the liquid mouth got into the shell, begins to annotate the liquid from the bottom in the casing of lithium cell, reduces the displacement of electrolyte, increases the speed of infiltrating.

Description

Liquid injection device for lithium battery

Technical Field

The utility model relates to a lithium cell technical field especially relates to an priming device for lithium cell.

Background

The lithium battery is a generic name of a chemical power supply taking metal lithium or a substance containing lithium as an electrode, and has the characteristics of high energy, environmental protection, long cycle life and the like, so that the lithium battery has wide application, is particularly useful in automobiles, electric vehicles, mobile phones, flat plates, notebooks and other equipment along with the development of the society, and possibly has more equipment to be used in the near future, but at present, the equipment such as the mobile phones and the flat plates is still the closest lithium battery power supply equipment, and generally, the lithium battery needs to be injected into a shell of the lithium battery during production, but when the electrolyte is injected, the electrolyte injection time is long, so that a liquid injection device is easily polluted, the current technical consideration is incomplete, and the lithium battery has the following defects:

when pouring into the casing of lithium cell with electrolyte, electrolyte weight is limited, and electrolyte soaks slower for annotate the liquid time long, in the time of annotating the liquid, electrolyte easily splashes moreover, annotates the liquid mouth when removing, gets into priming device inside through the gap easily, pollutes priming device.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a liquid injection device for a lithium battery.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an injection device for a lithium battery comprises an injection device body and an injection pipe, wherein support columns are fixedly arranged on the front side and the rear side of the top end of the injection device body, support plates are fixedly arranged among the support columns, a first electric telescopic rod is fixedly arranged in the middle of the support plate on the right side of the injection device body, a telescopic rod is fixedly arranged on one side, close to the first electric telescopic rod, of the support plate on the left side of the injection device body, a first spring is fixedly connected to the outer side face of the telescopic rod, a second electric telescopic rod is fixedly connected between the first electric telescopic rod and the telescopic rod, a fixed frame is fixedly arranged at the bottom end of the second electric telescopic rod, an injection port is fixedly arranged at the bottom end of the fixed frame, the injection pipe is embedded in the middle of the second electric telescopic rod and the fixed frame, the left side fixedly connected with spring two of spout, the right side fixed mounting of spring two has slide one, the bottom fixed mounting of slide one has the rubber layer, one side fixed mounting that slide one kept away from spring two has the connecting block, one side fixedly connected with slide two that slide one was kept away from to the connecting block, one side fixed mounting that slide two kept away from the connecting block has spring three.

Preferably, a rubber layer is fixedly connected to the bottom of the second sliding plate.

Preferably, the areas of the first sliding plate and the second sliding plate are larger than the area of the rectangular hole.

Preferably, the connecting block is in a shape of a Chinese character kou.

Preferably, the fixing frame is embedded between the connection blocks.

Preferably, the fixing frame penetrates through the rectangular hole.

Preferably, the liquid injection port is funnel-shaped.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. in the utility model, by installing the first electric telescopic rod, the second electric telescopic rod and the fixed frame, when the electrolyte is filled into the shell of the lithium battery, the second electric telescopic rod is pushed downwards, so that the fixed frame pulls the injection pipe to move downwards, and simultaneously, the injection port is driven to move downwards, so that the injection port enters the shell, the injection is started from the bottom in the shell of the lithium battery, the moving distance of the electrolyte is reduced, the infiltration speed is increased, when the electric telescopic rod pushes the injection pipe leftwards, the telescopic rod retracts inwards, the second electric telescopic rod is pushed to move leftwards, the injection pipe and the injection port are driven to move leftwards, and when the electric telescopic rod moves rightwards, the electrolyte is moved in the opposite direction, meanwhile, when the electric telescopic rod moves leftwards and rightwards, the second electric telescopic rod moves upwards, the fixed frame is driven to, so that the injection time of the electrolyte is reduced.

2. Secondly, through installing slide one and slide two, the area of slide one and slide two all is greater than the area of rectangular hole, when fixed frame moves left, drives the connecting block and moves left, and slide one moves left through spring two, and simultaneously, slide two moves left through spring three, when moving right, then moves to opposite direction, strengthens the compactness of fixed frame and filling device body through slide one and slide two, avoids electrolyte to damage the filling device body.

Drawings

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

FIG. 2 is a top sectional view of the filling device body of the present invention;

fig. 3 is an enlarged schematic structural view of fig. 1A of the present invention;

fig. 4 is a left side view of the overall structure of the present invention.

In fig. 1 to 4, the correspondence between the part names or lines and the reference numbers is:

a filling device body 1; a support column 2; a first electric telescopic rod 3; a liquid injection pipe 4; a second electric telescopic rod 5; a telescopic rod 6; a first spring 7; a second spring 8; a first sliding plate 9; a liquid injection port 10; a fixed frame 11; a second sliding plate 12; a third spring 13; a chute 14; a connecting block 15; a rectangular hole 16; a rubber layer 17; a support plate 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 to 4, the utility model provides an injection device for lithium battery, which comprises an injection device body 1 and an injection pipe 4, wherein support columns 2 are fixedly arranged on the front side and the rear side of the top end of the injection device body 1, support plates 18 are fixedly arranged between the support columns 2, a first electric telescopic rod 3 is fixedly arranged in the middle of the support plate 18 on the right side of the injection device body 1, a telescopic rod 6 is fixedly arranged on one side of the support plate 18 on the left side of the injection device body 1 close to the first electric telescopic rod 3, a first spring 7 is fixedly connected on the outer side surface of the telescopic rod 6, a second electric telescopic rod 5 is fixedly connected between the first electric telescopic rod 3 and the telescopic rod 6, a fixed frame 11 is fixedly arranged at the bottom end of the second electric telescopic rod 5, an injection port 10 is fixedly arranged at the bottom end of, the middle part of the filling device body 1 is provided with a rectangular hole 16, the inside of the filling device body 1 is provided with a sliding groove 14, the left side of the sliding groove 14 is fixedly connected with a second spring 8, the right side of the second spring 8 is fixedly provided with a first sliding plate 9, the bottom of the first sliding plate 9 is fixedly provided with a rubber layer 17, one side of the first sliding plate 9, which is far away from the second spring 8, is fixedly provided with a connecting block 15, one side of the connecting block 15, which is far away from the first sliding plate 9, is fixedly connected with a second sliding plate 12, and one side.

Further, the bottom fixedly connected with rubber layer 17 of slide two 12, the area of slide one 9 and slide two 12 all is greater than the area of rectangular hole 16, connecting block 15 is "mouth" font, when fixed frame 11 moves left, drive connecting block 15 and move left, slide one 9 moves left through spring two 8, and simultaneously, slide two 12 moves left through spring three 13, when moving right, then move to opposite direction, strengthen the compactness of fixed frame 11 and filling device body 1 through slide one 9 and slide two 12, avoid electrolyte to damage filling device body 1.

Further, fixed frame 11 imbeds between connecting block 15, fixed frame 11 runs through rectangular hole 16, when filling electrolyte in the casing to the lithium cell, two 5 promotion downwards of electric telescopic handle, make fixed frame 10 pulling annotate liquid pipe 4 downstream, and simultaneously, drive and annotate liquid mouth 10 downstream, make annotate the inside that liquid mouth 10 got into the shell, then, one 3 promotion left of electric telescopic handle, telescopic link 6 is inside indentation, promote two 5 movements left of electric telescopic handle, it moves left to drive annotate liquid pipe 4 and annotate liquid mouth 10, when moving right, then move to opposite direction, and simultaneously, two 5 when moving about electric telescopic handle, two 5 upward movements of electric telescopic handle, drive fixed frame 11 upward movements, be convenient for annotate liquid mouth 10 and pour into electrolyte into to the casing of lithium cell, make the pouring time of electrolyte reduce.

Furthermore, the liquid injection port 10 is funnel-shaped, so that the electrolyte can be conveniently injected.

Wherein, electric telescopic handle one 3 and electric telescopic handle two 5 all link to each other with external power through the power cord.

The working principle is as follows: when the lithium battery is used, firstly, when electrolyte is filled into a shell of a lithium battery, the electric telescopic rod two 5 is pushed downwards, the fixing frame 10 pulls the liquid filling pipe 4 to move downwards, meanwhile, the liquid filling port 10 is driven to move downwards, so that the liquid filling port 10 enters the shell, then, the electric telescopic rod one 3 is pushed leftwards, the telescopic rod 6 retracts inwards, the electric telescopic rod two 5 is pushed leftwards, the liquid filling pipe 4 and the liquid filling port 10 are driven to move leftwards, then, when the electric telescopic rod two 5 drives the fixing frame 11 to move leftwards, the connecting block 15 is driven to move leftwards, the sliding plate one 9 is driven to move leftwards through the spring two 8, meanwhile, the sliding plate two 12 is driven to move leftwards through the spring three 13, then, when the electric telescopic rod one 3 retracts rightwards, the telescopic rod 6 is pushed outwards, the electric telescopic rod two 5 is pushed, the liquid filling, finally, when the second electric telescopic rod 5 drives the fixing frame 11 to move rightwards, the connecting block 15 is driven to move rightwards, the first sliding plate 9 moves rightwards through the second spring 8, meanwhile, the second sliding plate 12 moves rightwards through the third spring 13, and meanwhile, when the second electric telescopic rod 5 moves leftwards and rightwards, the second electric telescopic rod 5 moves upwards.

The embodiments of the present application have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The liquid injection device for the lithium battery comprises a filling device body (1) and a liquid injection pipe (4), and is characterized in that supporting columns (2) are fixedly mounted on the front side and the rear side of the top end of the filling device body (1) respectively, supporting plates (18) are fixedly mounted between the supporting columns (2), a first electric telescopic rod (3) is fixedly mounted in the middle of the supporting plate (18) on the right side of the filling device body (1), a telescopic rod (6) is fixedly mounted on one side, close to the first electric telescopic rod (3), of the supporting plate (18) on the left side of the filling device body (1), a first spring (7) is fixedly connected to the outer side face of the telescopic rod (6), a second electric telescopic rod (5) is fixedly connected between the first electric telescopic rod (3) and the telescopic rod (6), and a fixed frame (11) is fixedly mounted at the bottom end, the bottom end of the fixed frame (11) is fixedly provided with a liquid injection port (10), the middle parts of the electric telescopic rod II (5) and the fixed frame (11) are embedded with a liquid injection pipe (4), the middle part of the filling device body (1) is provided with a rectangular hole (16), the inside of the filling device body (1) is provided with a sliding chute (14), a second spring (8) is fixedly connected to the left side of the sliding groove (14), a first sliding plate (9) is fixedly installed on the right side of the second spring (8), a rubber layer (17) is fixedly arranged at the bottom of the first sliding plate (9), a connecting block (15) is fixedly arranged on one side of the first sliding plate (9) far away from the second spring (8), one side of the connecting block (15) far away from the first sliding plate (9) is fixedly connected with a second sliding plate (12), and a spring III (13) is fixedly arranged on one side of the sliding plate II (12) far away from the connecting block (15).

2. The liquid injection device for the lithium battery as recited in claim 1, wherein a rubber layer (17) is fixedly connected to the bottom of the second sliding plate (12).

3. The filling device for the lithium battery as claimed in claim 1, wherein the areas of the first sliding plate (9) and the second sliding plate (12) are larger than the area of the rectangular hole (16).

4. The filling device for the lithium battery as claimed in claim 1, wherein the connecting block (15) is in a shape like a Chinese character kou.

5. The filling device for the lithium battery as claimed in claim 1, characterized in that the fixing frame (11) is embedded between the connecting blocks (15).

6. The filling device for the lithium battery as claimed in claim 1, wherein the fixing frame (11) penetrates through the rectangular hole (16).

7. The electrolyte injection device for the lithium battery as recited in claim 1, wherein the electrolyte injection port (10) is funnel-shaped.