CN210178534U

CN210178534U - Vacuum air exhaust device for producing soft-package polymer lithium battery

Info

Publication number: CN210178534U
Application number: CN201921104681.0U
Authority: CN
Inventors: Jinrong He; 何金蓉
Original assignee: Dongguan Youfei Electronic Technology Co Ltd
Current assignee: Dongguan Youfei Electronic Technology Co Ltd
Priority date: 2019-07-15
Filing date: 2019-07-15
Publication date: 2020-03-24
Anticipated expiration: 2029-07-15

Abstract

The utility model discloses a vacuum air exhaust device is used in soft packet of polymer lithium cell production, including the exhaust tube, one side outer wall of exhaust tube is provided with the blast pipe, and the outer wall of blast pipe keeps away from the one end of exhaust tube and has the hose through flange joint, the outer wall of hose is provided with the fixation clamp, and the equal fixedly connected with telescopic link of one side outer wall that the fixation clamp is relative, and one side outer wall fixedly connected with splint of telescopic link, the one end that the telescopic link was kept away from to the outer wall of splint splices has the sealing strip, the outer wall of fixation clamp is opened threaded hole, and the inner wall threaded connection of screw hole has spacing bolt, be connected through the nut between spacing bolt. The utility model discloses can prevent that the efficiency of bleeding of soft packet of polymer lithium cell from reducing the use that influences soft packet of polymer lithium cell, the resistance increase that receives when can preventing the piston from removing causes the influence to the use of device, can prevent that the impurity that dopes in the gas from entering into the inside of device and making the device be not convenient for clear up.

Description

Vacuum air exhaust device for producing soft-package polymer lithium battery

Technical Field

The utility model relates to a soft packet of polymer lithium cell production technical field especially relates to a vacuum air exhaust device is used in production of soft packet of polymer lithium cell.

Background

The lithium battery is a primary battery which uses lithium metal or lithium alloy as a negative electrode material and uses a non-aqueous electrolyte solution, and is different from a rechargeable battery lithium ion battery and a lithium ion polymer battery, wherein the soft package polymer lithium battery is one of the lithium batteries.

However, current vacuum air exhaust device is when extracting the inside air of soft package polymer lithium cell, because the junction leakproofness between device and the soft package polymer lithium cell is relatively poor, consequently leads to the device not to carry out effectual extraction to the inside air of soft package polymer lithium cell to cause the influence to the life of soft package polymer lithium cell.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a vacuum air extractor for producing a soft-package polymer lithium battery.

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

the utility model provides a vacuum air exhaust device is used in production of soft packet of polymer lithium cell, includes the exhaust tube, one side outer wall of exhaust tube is provided with the blast pipe, and the outer wall of blast pipe keeps away from the one end of exhaust tube and has the hose through flange joint, the outer wall of hose is provided with the fixation clamp, and the equal fixedly connected with telescopic link of one side outer wall that the fixation clamp is relative, and one side outer wall fixedly connected with splint of telescopic link, the one end that the telescopic link was kept away from to the outer wall of splint splices has the sealing strip, the threaded hole is opened to the outer wall of fixation clamp, and the inner wall threaded connection of threaded hole has spacing bolt.

As a further aspect of the present invention: the inner wall of the air pumping cylinder is connected with a piston in a sliding mode, and the piston is in contact with the inside of the air pumping cylinder.

As a further aspect of the present invention: the outer wall of one side of the piston is fixedly connected with a push rod in the middle, and one end of the outer wall of the push rod, far away from the piston, is fixedly connected with a supporting plate.

As a further aspect of the present invention: the equal fixedly connected with fixed block of both sides outer wall of pump bowl, and equal fixedly connected with electric telescopic handle between the both ends of one side outer wall of two fixed blocks and backup pad one side outer wall, electric telescopic handle is connected with the switch through the wire, and the switch is connected with the power through the wire.

As a further aspect of the present invention: and a spring is fixedly connected between the two ends of the outer wall of one side of the air pumping cylinder and the two ends of the outer wall of one side of the supporting plate.

As a further aspect of the present invention: the opening is opened to one side outer wall of pump bowl, and the inner wall fixedly connected with sliding sleeve of opening, and the inner wall roll connection of sliding sleeve has the ball, forms roll connection between ball and the push rod.

As a further aspect of the present invention: the inner wall of blast pipe is provided with the filter screen, and one side outer wall of filter screen is provided with the thorn hook.

The utility model has the advantages that:

1. through the arrangement of the fixing clamp, the clamping plate, the sealing strip and the limiting bolt, the connection between the device and the soft package polymer lithium battery can be sealed, so that air extraction treatment can be conveniently carried out on the soft package polymer lithium battery, and the phenomenon that the use of the soft package polymer lithium battery is influenced by the reduction of the air extraction efficiency of the device on the soft package polymer lithium battery due to poor sealing performance is prevented;

2. through the sliding sleeve and the balls, the friction force between the air suction cylinder and the push rod can be reduced, so that the device can be used conveniently, and the influence on the use of the device caused by the increase of resistance when the piston moves due to the large friction force between the air suction cylinder and the push rod is prevented;

3. through the filter screen and the thorn hook that set up, can carry out filtration treatment to the gas of extraction, prevent that the impurity of adulteration from entering into the inside of device and making the device be not convenient for clear up in the gas.

Drawings

FIG. 1 is a schematic sectional view of a vacuum pumping device for producing a soft-package polymer lithium battery in example 1;

FIG. 2 is a schematic view of a partial structure of a vacuum pumping device for producing a soft-package polymer lithium battery in example 1;

FIG. 3 is the overall structure diagram of the vacuum pumping device for producing a soft-package polymer lithium battery in example 1;

fig. 4 is a schematic sectional structure view of the vacuum pumping device for producing a soft-package polymer lithium battery in example 2.

In the figure: the device comprises an air extracting cylinder 1, a piston 2, a hose 3, a fixing clamp 4, an exhaust pipe 5, a push rod 6, a sliding sleeve 7, an electric telescopic rod 8, a supporting plate 9, balls 10, springs 11, a fixing block 12, a clamping plate 13, a sealing strip 14, a telescopic rod 15, a limiting bolt 16, a filter screen 17 and a barbed hook 18.

Detailed Description

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-3, a vacuum air exhaust device is used in production of soft packet of polymer lithium cell, including air exhaust tube 1, one side outer wall of air exhaust tube 1 is provided with blast pipe 5, and there is hose 3 through flange joint in the one end that air exhaust tube 1 was kept away from to the outer wall of blast pipe 5, the outer wall of hose 3 is provided with fixation clamp 4, and the relative one side outer wall of fixation clamp 4 all has telescopic link 15 through bolted connection, and there is splint 13 through bolted connection one side outer wall of telescopic link 15, the one end that telescopic link 15 was kept away from to splint 13 is spliced there is sealing strip 14, threaded hole is opened to the outer wall of fixation clamp 4, and the inner wall threaded connection of screw hole has spacing bolt 16, be connected through the.

Wherein, the inner wall of the air extracting cylinder 1 is connected with a piston 2 in a sliding way, the piston 2 is contacted with the inner part of the air extracting cylinder 1, the position of one side outer wall of the piston 2 in the middle is connected with a push rod 6 through a bolt, one end of the outer wall of the push rod 6 far away from the piston 2 is connected with a supporting plate 9 through a bolt, the two side outer walls of the air extracting cylinder 1 are both connected with fixed blocks 12 through bolts, an electric telescopic rod 8 is connected between one side outer wall of the two fixed blocks 12 and the two ends of one side outer wall of the supporting plate 9 through a bolt, the electric telescopic rod 8 is connected with a switch through a lead, the switch is connected with a power supply through a lead, a spring 11 is connected between the two ends of one side outer wall of the air extracting cylinder 1 and the two ends of one side outer wall of the supporting, the balls 10 form a rolling connection with the push rod 6.

The working principle is as follows: during the use, insert the inside of soft packet of polymer lithium cell with

hose

3, 16 make splint 13 drive sealing strip 14 and remove through twisting the stop cock, thereby sealing the junction between soft packet of polymer lithium cell and the device, prevent to reduce the use that influences soft packet of polymer lithium cell because the relatively poor device that leads to of leakproofness is bled efficiency to soft packet of polymer lithium cell, after sealed the completion, open the switch, electric telescopic handle 8 can drive backup pad 9 and remove, thereby make push rod 6 drive piston 2 and remove the inside of soft packet of polymer lithium cell and bleed air the processing, the removal of push rod 6 of can being convenient for through ball 1, after the extraction is accomplished, can the separation of device and soft packet of polymer lithium cell.

Example 2

Referring to fig. 4, compared with embodiment 1, in the present embodiment, a filter screen 17 is disposed on an inner wall of an exhaust pipe 5, and a barbed hook 18 is disposed on an outer wall of one side of the filter screen 17.

hose

3, 16 make splint 13 drive sealing strip 14 and remove through twisting the stop cock, thereby junction to between soft packet of polymer lithium cell and the device seals, prevent to reduce the use that influences soft packet of polymer lithium cell because the relatively poor device that leads to of leakproofness is to the pumping efficiency of soft packet of polymer lithium cell, after sealed the completion, open the switch, electric telescopic handle 8 can drive backup pad 9 and remove, thereby make push rod 6 drive piston 2 and remove the inside of soft packet of polymer lithium cell and bleed air the processing, the removal of push rod 6 of can being convenient for through ball 1, filter the gas of extraction through filter screen 17 and barbed hook 18, after the extraction is accomplished, can device and soft packet of polymer lithium cell separation.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a vacuum air exhaust device is used in production of soft packet of polymer lithium cell, includes air pump cylinder (1), its characterized in that, one side outer wall of air pump cylinder (1) is provided with blast pipe (5), and the outer wall of blast pipe (5) keeps away from the one end of air pump cylinder (1) and has hose (3) through flange connection, the outer wall of hose (3) is provided with fixation clamp (4), and the equal fixedly connected with telescopic link (15) of one side outer wall that fixation clamp (4) is relative, and one side outer wall fixedly connected with splint (13) of telescopic link (15), the one end glue joint that telescopic link (15) were kept away from to the outer wall of splint (13) has sealing strip (14), threaded hole is opened to the outer wall of fixation clamp (4), and the inner wall threaded connection of screw hole has spacing bolt (16), be connected through the nut between spacing bolt (.

2. The vacuum air extraction device for the production of the soft-package polymer lithium battery is characterized in that a piston (2) is connected to the inner wall of the air extraction cylinder (1) in a sliding mode, and the piston (2) is in contact with the inside of the air extraction cylinder (1).

3. The vacuum air extraction device for the production of the soft-package polymer lithium battery as claimed in claim 2, wherein the outer wall of one side of the piston (2) is fixedly connected with the push rod (6) at the middle position, and the outer wall of the push rod (6) is fixedly connected with the support plate (9) at one end far away from the piston (2).

4. The vacuum air extraction device for the production of the soft-package polymer lithium battery as claimed in claim 3, characterized in that the outer walls of both sides of the air extraction cylinder (1) are both fixedly connected with a fixing block (12), and an electric telescopic rod (8) is both fixedly connected between the outer wall of one side of the two fixing blocks (12) and the two ends of the outer wall of one side of the support plate (9), the electric telescopic rod (8) is connected with a switch through a wire, and the switch is connected with a power supply through a wire.

5. The vacuum air extractor for producing the soft-package polymer lithium battery as claimed in claim 4, wherein a spring (11) is fixedly connected between two ends of the outer wall of one side of the air extracting cylinder (1) and two ends of the outer wall of one side of the supporting plate (9).

6. The vacuum air extractor for the soft package polymer lithium battery production according to any one of claims 1 to 5, wherein an opening is formed in the outer wall of one side of the air extracting cylinder (1), a sliding sleeve (7) is fixedly connected to the inner wall of the opening, a rolling ball (10) is connected to the inner wall of the sliding sleeve (7) in a rolling manner, and a rolling connection is formed between the rolling ball (10) and the push rod (6).

7. The vacuum air extraction device for the production of the soft-package polymer lithium battery as claimed in claim 1, wherein the inner wall of the exhaust pipe (5) is provided with a filter screen (17), and the outer wall of one side of the filter screen (17) is provided with a barbed hook (18).