CN219265632U

CN219265632U - Air tightness detection device for power battery cover plate

Info

Publication number: CN219265632U
Application number: CN202320789151.4U
Authority: CN
Inventors: 王凤兵; 王凤琴; 柳海棚
Original assignee: Shenzhen World Standardization Certification & Testing Co ltd
Current assignee: Shenzhen World Standardization Certification & Testing Co ltd
Priority date: 2023-04-11
Filing date: 2023-04-11
Publication date: 2023-06-27
Anticipated expiration: 2033-04-11

Abstract

The utility model relates to the technical field of battery cover plate air tightness detection, in particular to a power battery cover plate air tightness detection device which comprises an operation table, wherein four corners of the lower end of the operation table are fixedly connected with supporting legs, the middle part of the right end of the operation table is fixedly connected with a clamping device, the middle part of the upper end of the operation table is provided with a cover plate body, the rear part of the upper end of the operation table is sequentially and fixedly connected with a display screen, a mounting frame and an air pump from left to right, the mounting frame is of an L-shaped structure, the front part of the upper end of the mounting frame is fixedly connected with a hydraulic rod, the telescopic end of the hydraulic rod is fixedly connected with a detection mechanism, the air outlet of the air pump is fixedly connected with a connecting pipe, the detection mechanism is positioned on the upper part of the cover plate body, and the position of the detection mechanism corresponds to the position of the cover plate body. According to the power battery cover plate air tightness detection device, the detection efficiency can be improved through the detection mechanism, and batch detection is facilitated.

Description

Air tightness detection device for power battery cover plate

Technical Field

The utility model relates to the technical field of air tightness detection, in particular to a power battery cover plate air tightness detection device.

Background

The power battery cover plate is used as a part in the battery module, plays a key role in the stable work and the safety protection of the battery module, is generally produced by a stamping process, has simple process and quick production period, has good structural integrity, can well reduce weight, and often needs to use an air tightness detection device to detect the air tightness of the cover plate after the production of the battery cover plate is finished, and has at least the following defects in the use process of the traditional air tightness detection device: 1. in the use process of the conventional air tightness detection device, the cover plate is often placed in the detector for detection, so that the detection is complicated and the batch detection is difficult to influence; 2. the existing air tightness detection device is inconvenient to clamp and limit the cover plate in the detection process, and the cover plate is easy to be influenced by pressure to displace in the detection process so as to influence detection data, so that the air tightness detection device for the power battery cover plate is provided.

Disclosure of Invention

The utility model mainly aims to provide the power battery cover plate air tightness detection device which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a power battery apron gas tightness detection device, includes the operation panel, the equal fixedly connected with supporting leg in operation panel lower extreme four corners, operation panel right-hand member middle part fixedly connected with clamping device, operation panel upper end middle part is provided with the apron body, operation panel upper end rear portion from left to right fixedly connected with display screen, mounting bracket and air pump in proper order, the mounting bracket is "L" shape structure, the anterior fixedly connected with hydraulic stem of mounting bracket upper end, hydraulic stem telescopic end fixedly connected with detection mechanism, air pump gas outlet fixedly connected with connecting pipe, detection mechanism is located apron body upper portion, detection mechanism position is corresponding with apron body position.

Preferably, the clamping device comprises a motor, a threaded rod is fixedly connected to the output end of the motor, a displacement plate is connected to the left part of the outer surface of the threaded rod and the right part of the outer surface of the threaded rod in a threaded mode, clamping plates are fixedly connected to the upper ends of the two displacement plates, and the two clamping plates are of U-shaped structures.

Preferably, a chute is arranged at the upper end of the operating platform.

Preferably, the motor is fixedly connected with the right end of the operating platform, the threaded rod is movably connected with the left groove wall of the sliding groove through a bearing, the two displacement plates are both in sliding connection with the sliding groove, and the heights of the two clamping plates are both smaller than the height of the cover plate body.

Preferably, the detection mechanism comprises a pressing plate, a sealing rubber ring is fixedly connected to the outer portion of the lower end of the pressing plate, a pressure sensor is fixedly connected to the left portion of the lower end of the pressing plate in a penetrating mode, and an air outlet connector is fixedly connected to the right portion of the lower end of the pressing plate in a penetrating mode.

Preferably, the upper end of the air outlet connector is fixedly connected with the connecting pipe, the pressing plate is fixedly connected with the telescopic end of the hydraulic rod, and the pressure sensor and the air outlet connector are both positioned in the sealing rubber ring.

Compared with the prior art, the utility model has the following beneficial effects:

1. the detection mechanism is arranged to connect the air outlet joint with the connecting pipe, so that the air in the air pump is injected between the sealing rubber ring and the cover plate body through the connecting pipe, and then the pressure data is detected through the pressure sensor, thereby the air tightness of the cover plate body can be rapidly detected, and the detection efficiency is improved;

2. through setting up clamping device, start motor work makes the motor drive the threaded rod rotation, owing to open respectively the threaded rod surface has forward screw thread and reverse screw thread to can make the threaded rod rotate and drive two displacement boards and be close to each other, make two grip blocks press from both sides the apron body clamp simultaneously, improve the stability when detecting, avoid the displacement.

Drawings

FIG. 1 is a schematic diagram of the whole structure of a power battery cover plate air tightness detection device;

FIG. 2 is a schematic diagram showing the overall structure of a clamping device of the power battery cover plate air tightness detection device;

FIG. 3 is a schematic diagram showing the overall structure of a detecting mechanism of the power battery cover plate air tightness detecting device;

fig. 4 is a schematic diagram of the overall structure of an operation panel of the power battery cover plate air tightness detection device of the utility model.

In the figure: 1. an operation table; 2. a clamping device; 3. an air pump; 4. a connecting pipe; 5. a mounting frame; 6. a hydraulic rod; 7. a display screen; 8. a detection mechanism; 9. a cover plate body; 10. support legs; 11. a chute; 21. a motor; 22. a threaded rod; 23. a displacement plate; 24. a clamping plate; 81. a pressing plate; 82. sealing rubber rings; 83. a pressure sensor; 84. and an air outlet joint.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-4, the present utility model provides a technical solution:

the utility model provides a power battery apron gas tightness detection device, including operation panel 1, the equal fixedly connected with supporting leg 10 in operation panel 1 lower extreme four corners, operation panel 1 right-hand member middle part fixedly connected with clamping device 2, operation panel 1 upper end middle part is provided with apron body 9, operation panel 1 upper end rear portion from left to right fixedly connected with display screen 7 in proper order, mounting bracket 5 and air pump 3, mounting bracket 5 is "L" shape structure, the anterior fixedly connected with hydraulic stem 6 of mounting bracket 5 upper end, the flexible end fixedly connected with detection mechanism 8 of hydraulic stem 6, air pump 3 gas outlet fixedly connected with connecting pipe 4, detection mechanism 8 is located apron body 9 upper portion, detection mechanism 8 position corresponds with apron body 9 position.

In this embodiment, the clamping device 2 includes a motor 21, an output end of the motor 21 is fixedly connected with a threaded rod 22, a left part of an outer surface of the threaded rod 22 and a right part of an outer surface of the threaded rod are both in threaded connection with a displacement plate 23, upper ends of the two displacement plates 23 are both fixedly connected with clamping plates 24, and the two clamping plates 24 are both in a U-shaped structure; the upper end of the operation table 1 is provided with the chute 11, and the two clamping plates 24 are of U-shaped structures, so that the stability of the cover plate body 9 after being clamped can be improved, and shaking is avoided.

In the embodiment, a motor 21 is fixedly connected with the right end of an operation table 1, a threaded rod 22 is movably connected with the left groove wall of a chute 11 through a bearing, two displacement plates 23 are both in sliding connection with the chute 11, and the heights of two clamping plates 24 are both smaller than the height of a cover plate body 9; the detection mechanism 8 comprises a pressing plate 81, a sealing rubber ring 82 is fixedly connected to the outer part of the lower end of the pressing plate 81, a pressure sensor 83 is fixedly connected to the left part of the lower end of the pressing plate 81 in a penetrating manner, and an air outlet joint 84 is fixedly connected to the right part of the lower end of the pressing plate 81 in a penetrating manner; the upper end of the air outlet joint 84 is fixedly connected with the connecting pipe 4, the pressing plate 81 is fixedly connected with the telescopic end of the hydraulic rod 6, the pressure sensor 83 and the air outlet joint 84 are both positioned in the sealing rubber ring 82, and the pressure sensor 83 transmits signals to the display screen 7 and displays the digital values through the display screen 7.

It should be noted that, in the use process, the cover plate body 9 is placed on the operation table 1 and is located between two clamping plates 24, the motor 21 is started to work through an external control system, so that the motor 21 drives the threaded rod 22 to rotate, and the two displacement plates 23 are close to each other, thereby clamping the cover plate body 9 through the two clamping plates 24, avoiding displacement of the cover plate body 9 in the detection process, improving the detection precision, restarting the hydraulic rod 6 to work, enabling the hydraulic rod 6 to push the detection mechanism 8 to move downwards, along with the movement, the sealing rubber ring 82 is contacted with the cover plate body 9, at the moment, a closed space is formed between the pressing plate 81 and the cover plate body 9, the air pump 3 is started to work, air is injected between the cover plate body 9 and the pressing plate 81 through the connecting pipe 4 and the air outlet joint 84, the pressure value is monitored through the pressure sensor 83, and the air tightness detection of the cover plate body 9 is completed.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a power battery apron gas tightness detection device, includes operation panel (1), its characterized in that: the automatic control device is characterized in that supporting legs (10) are fixedly connected to four corners of the lower end of the operation table (1), a clamping device (2) is fixedly connected to the middle of the right end of the operation table (1), a cover plate body (9) is arranged in the middle of the upper end of the operation table (1), a display screen (7), a mounting frame (5) and an air pump (3) are sequentially and fixedly connected to the rear part of the upper end of the operation table (1) from left to right, the mounting frame (5) is of an L-shaped structure, a hydraulic rod (6) is fixedly connected to the front part of the upper end of the mounting frame (5), a detection mechanism (8) is fixedly connected to the telescopic end of the hydraulic rod (6), a connecting pipe (4) is fixedly connected to the air outlet of the air pump (3), the detection mechanism (8) is positioned on the upper part of the cover plate body (9), and the position of the detection mechanism (8) corresponds to the position of the cover plate body (9).

Clamping device (2) are including motor (21), motor (21) output fixedly connected with threaded rod (22), threaded rod (22) surface left part and surface right part equal threaded connection have displacement board (23), two equal fixedly connected with grip block (24) of displacement board (23) upper end, two grip block (24) are "U" shape structure.

2. The power battery cover plate air tightness detection device according to claim 1, wherein: the upper end of the operating platform (1) is provided with a chute (11).

3. The power battery cover plate air tightness detection device according to claim 2, wherein: the motor (21) is fixedly connected with the right end of the operating platform (1), the threaded rod (22) is movably connected with the left groove wall of the sliding groove (11) through a bearing, the two displacement plates (23) are both in sliding connection with the sliding groove (11), and the heights of the two clamping plates (24) are both smaller than the height of the cover plate body (9).

4. The power battery cover plate air tightness detection device according to claim 1, wherein: the detection mechanism (8) comprises a pressing plate (81), a sealing rubber ring (82) is fixedly connected to the outer portion of the lower end of the pressing plate (81), a pressure sensor (83) is fixedly connected to the left portion of the lower end of the pressing plate (81), and an air outlet joint (84) is fixedly connected to the right portion of the lower end of the pressing plate (81).

5. The power battery cover plate air tightness detection device according to claim 4, wherein: the upper end of the air outlet joint (84) is fixedly connected with the connecting pipe (4), the pressing plate (81) is fixedly connected with the telescopic end of the hydraulic rod (6), and the pressure sensor (83) and the air outlet joint (84) are both positioned in the sealing rubber ring (82).