CN217953794U

CN217953794U - Cylinder battery gas tightness detection device

Info

Publication number: CN217953794U
Application number: CN202221983223.0U
Authority: CN
Inventors: 张毅; 张伟; 陈道明; 周赏
Original assignee: Yichun Guoxuan Battery Co ltd
Current assignee: Yichun Guoxuan Battery Co ltd
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2022-12-02
Anticipated expiration: 2032-07-29

Abstract

The utility model discloses a cylinder battery gas tightness detection device, include: the sealing device comprises a bottom plate, a first fixing piece, a second fixing piece, a shell, a first sealing piece and a second sealing piece; the first fixing piece is installed and opened on the bottom plate and have a first through hole, and the second fixing piece is installed and opened on the bottom plate and have a second through hole, the casing is located first fixing piece with just it has third through hole and gas circuit interface to open between the second fixing piece, first fixing piece the second fixing piece extremely the distance of casing is adjustable, first sealing member is located first fixing piece with between the casing, the second sealing member is located the second fixing piece with between the casing. The utility model discloses can carry out the gas tightness to block, rolling slot of cylinder battery and seal and detect, install the cylinder battery put into the aquatic and to the gas circuit interface lets in gas and can detect, simple operation, simple structure.

Description

Cylinder battery gas tightness detection device

Technical Field

The utility model relates to a battery production facility field especially relates to a cylinder battery gas tightness detection device.

Background

At present, new energy is developed vigorously, the yield of cylindrical batteries is increased day by day, and the abnormal air tightness is just one of the common problems in the processing and manufacturing processes of the batteries.

The abnormal air tightness can further cause the electrolyte in the battery to overflow, the safety use performance of the battery is seriously influenced, and even serious consequences such as explosion, fire and the like can be caused. The reasons for causing the abnormal air tightness of the battery are factors in the processing and manufacturing process and factors in the quality of the incoming materials of the battery cap.

The existing-stage detection tool only detects the air tightness aiming at the large aluminum sheet of the cap structural member and the explosion-proof line, cannot detect the air tightness of the cap, the rolling groove and the seal, can only test the air tightness of one battery at a time, and is low in efficiency.

SUMMERY OF THE UTILITY MODEL

For the technical problem who solves existence among the background art, the utility model provides a cylinder battery gas tightness detection device.

The utility model provides a pair of cylinder battery gas tightness detection device, include: the sealing device comprises a bottom plate, a first fixing piece, a second fixing piece, a first sealing piece, a second sealing piece and a shell;

the first fixing piece, the second fixing piece and the shell are all installed on the bottom plate, the shell is located between the first fixing piece and the second fixing piece, the distance between the first fixing piece and the shell and the distance between the second fixing piece and the shell are adjustable, the first sealing piece is located between the first fixing piece and the shell, the second sealing piece is located between the second fixing piece and the shell, the first fixing piece can be a baffle or a box body, and the second fixing piece can be a baffle or a box body;

the shell is provided with a third through hole and a gas path interface, the gas path interface is communicated with the third through hole, the first fixing piece is provided with a first through hole, the second fixing piece is provided with a second through hole, the first sealing piece is provided with a fourth through hole, the second sealing piece is provided with a fifth through hole, the first through hole, the second through hole, the fourth through hole and the fifth through hole are all coaxial with the third through hole and have the same aperture, the aperture of the third through hole is equal to the outer diameter of the cylindrical battery, the first sealing piece can be a rubber ring or a rubber sealing gasket, the second sealing piece is arranged between the shell and the second fixing piece and is provided with a fifth through hole, and the second sealing piece can be a rubber ring or a rubber sealing gasket;

the steel casing of cylinder battery opens porosely, the casing is used for holding the part of the trompil of the steel casing of cylinder battery, other parts of cylinder battery expose outside, the cylinder battery runs through in proper order first through-hole the second through-hole the third through-hole the fourth through-hole with the fifth through-hole.

Preferably, the number of the first through holes, the second through holes, the third through holes, the fourth through holes and the fifth through holes is multiple and the same, so that the air tightness of a plurality of cylindrical batteries can be measured simultaneously.

Preferably, the air path interfaces are provided in plurality, and can detect the air tightness of a plurality of cylindrical batteries simultaneously.

Preferably, the second fixing member is a box body, and the second fixing member is used for accommodating and fixing a part of the cylindrical battery core.

Preferably, the second fixing member is provided with a groove, and the groove is used for observing the cylindrical battery core positioned in the second fixing member.

Preferably, the groove is located near the cylindrical battery cell of the second fixing member that is placed in.

Preferably, the number of the grooves is multiple, and the grooves are used for observing the air tightness of the plurality of cylindrical battery cells simultaneously.

Preferably, the driving device further comprises a driving member, the driving member is mounted on the first fixing member or the second fixing member and is used for driving the first fixing member or the second fixing member to approach or depart from the housing, and the driving member may be a screw rod or an air cylinder.

Preferably, the portable electronic device further comprises a third fixing member, the third fixing member is mounted on the side surfaces of the first fixing member, the housing and the second fixing member and is used for fixing the first fixing member, the housing and the second fixing member, and the third fixing member may be a baffle or a fixing rod.

The utility model discloses in, cylinder battery gas tightness detection device that provides, through making first mounting and second mounting are close to and extrude the casing, thereby make the casing the third through-hole quilt first sealing member with the second sealing member is sealed up, the steel shell part of being opened porose of cylinder battery is installed in the casing, all the other parts expose externally, thereby right the outside part that is located of casing of cylinder battery carries out the gas tightness and detects, and can detect a plurality of cylinder batteries simultaneously, improves detection efficiency.

Drawings

Fig. 1 is a schematic structural view of a device for detecting air tightness of a cylindrical battery according to the present invention;

fig. 2 is the utility model provides a cylinder battery gas tightness detection device's front view cross-sectional view.

Detailed Description

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

It is to be understood that the terms "central," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly defined otherwise.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In order to better understand the technical solutions of the present invention, the following detailed descriptions will be provided with reference to the drawings and the detailed description.

Referring to fig. 1, the utility model provides a cylinder battery gas tightness detection device, including base 1, casing 2, box body 3, dead lever 4, screw rod 5, first rubber circle 9 and second rubber circle 10.

Base 1 includes first baffle 11, second baffle 12 and bottom plate 13, and first baffle 11 is installed perpendicularly on the left side of bottom plate 13, and second baffle 12 is installed perpendicularly on the right side of bottom plate 13, and first baffle 11 and second baffle 12 are parallel and relative, and bottom plate 13 is opened there is the spout, and first baffle 11 is opened there is first through-hole 6, and first through-hole 6 sets up threely, and the equidistant is arranged on first baffle 11.

The box body 3 passes through spout lateral sliding installs on bottom plate 13, and open in the left side of box body 3 has second through-hole 17, and second through-hole 17 sets up threely, and equidistant row is opened in the left side of box body 3, and it has three groove 8 to open above the box body 3, and every groove 8 is located a cylinder battery directly over, and groove 8 is used for observing the gas tightness of the cylinder battery that is located box body 3.

Casing 2 passes through 8 lateral sliding installs on bottom plate 13 of spout, and casing 2 is opened there is third through hole 15, and third through hole 15 sets up threely, and equidistant parallel row is opened on casing 2, and the box hat part of the trompil of cylindrical battery is installed in third through hole 15, and equidistant opening on casing 2 has three gas circuit interface 7, gas circuit interface 7 is used for connecting outside gas circuit, every gas circuit interface 7 and a third through hole 15 intercommunication.

One end of the fixing rod 4 is installed on the first baffle 11, the other end is installed on the second baffle 12, and the fixing rod 4 abuts against the shell 2 and the box body 3 to fix the shell 2 and the box body 3.

The screw 5 penetrates through and is installed on the second baffle 12 in a rotating mode along the axis, and the left end of the screw 5 abuts against the right side of the box body 3.

First rubber circle 9 is installed between first baffle 11 and casing 2 and is equipped with threely, and every first rubber circle 9 has all opened fourth through-hole 14, and second rubber circle 10 is installed box body 3 with between the casing 2 and be equipped with threely, every second rubber circle 10 has all opened fifth through-hole 16, and first rubber circle 9 and second rubber circle 10 all are used for sealing third through-hole 15 on the casing 2.

Each first through hole 6 is coaxial with a second through hole 17, a third through hole 15, a fourth through hole 14 and a fifth through hole 16 respectively, and the aperture of the first through hole is the same as the outer diameter of the cylindrical battery.

In the concrete working process of the cylinder battery airtightness detection device of the embodiment, firstly, the steel shell of the cylinder battery is punched, then the cylinder battery penetrates through the first through hole 6, the second through hole 17, the third through hole 15, the fourth through hole 14, the fifth through hole 16 and then is placed into the shell 2 and the box body 3, the cap end and the rolling groove of the cylinder battery are both positioned on the left side of the first baffle 11, the punched part of the steel shell of the cylinder battery is placed into the shell 2, one end of the cylinder battery abuts against the right side of the inner wall of the box body 3, after the cylinder battery is installed, the screw rod 5 is rotated, the screw rod 5 pushes the box body 3 to slide and extrude leftwards, the second rubber ring 10 pushes the shell 2 to slide leftwards, the first rubber ring 9 is further extruded, the third through hole 15 is extruded, the shell 2 is in a sealing state, at the moment, the air circuit interface 7 is connected with an external air circuit, the device is placed into water, air flow flows into the cylinder battery through the air circuit interface 7, when no air bubbles are generated, the air tightness is good, when bubbles are generated, the bubbles are generated, which air tightness position is poor.

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 cylinder battery gas tightness detection device which characterized in that includes: the sealing device comprises a bottom plate, a first fixing piece, a second fixing piece, a first sealing piece, a second sealing piece and a shell;

the first fixing piece, the second fixing piece and the shell are all installed on the bottom plate, the shell is located between the first fixing piece and the second fixing piece, the distance between the first fixing piece and the shell and the distance between the second fixing piece and the shell are adjustable, the first sealing piece is located between the first fixing piece and the shell, and the second sealing piece is located between the second fixing piece and the shell;

the shell is provided with a third through hole and a gas circuit interface, the gas circuit interface is communicated with the third through hole, the first fixing piece is provided with a first through hole, the second fixing piece is provided with a second through hole, the first sealing piece is provided with a fourth through hole, the second sealing piece is provided with a fifth through hole, the first through hole, the second through hole, the fourth through hole and the fifth through hole are coaxial with the third through hole and have the same aperture, and the aperture of the third through hole is equal to the outer diameter of the cylindrical battery.

2. The device for detecting the airtightness of cylindrical batteries according to claim 1, wherein a plurality of the first through holes, the second through holes, the third through holes, the fourth through holes and the fifth through holes are provided, and the number of the first through holes, the second through holes, the third through holes, the fourth through holes and the fifth through holes is the same.

3. The cylindrical battery airtightness detection apparatus according to claim 1, wherein a plurality of the air passage interfaces are provided.

4. The cylindrical battery airtightness detection apparatus according to claim 1, wherein the second fixing member is a box body, and the second fixing member is configured to accommodate and fix a portion of the cylindrical battery cell.

5. The cylindrical battery airtightness detection apparatus according to claim 4, wherein a groove is formed in the second fixing member, and the groove is used for observing the cylindrical battery core located in the second fixing member.

6. The cylindrical battery airtightness detection apparatus according to claim 5, wherein the groove is located in the vicinity of the cylindrical cell of the second fixing member that is placed therein.

7. The device for detecting the airtightness of cylindrical batteries according to claim 5, wherein a plurality of the grooves are formed.

8. The cylindrical battery airtightness detection apparatus according to claim 1, further comprising a driving member mounted on the first fixing member or the second fixing member for driving the first fixing member or the second fixing member to approach or separate from the housing.