Battery sealing ring resistance testing device

Abstract

The utility model discloses a battery sealing ring resistance testing device which comprises an insulating base, the upper side of the insulating base is fixedly connected with a first iron disc, the upper side of the insulating base is connected with an insulating supporting plate through a lifting device, and a sliding column vertically penetrates through the side wall of the insulating supporting plate. A meshing lifting device is arranged on the side wall of the sliding column, a top plate is fixedly connected to the upper end of the sliding column, a ballasting weight is arranged on the top plate, a second iron disc is fixedly connected to the bottom end of the sliding column, and electrode columns are fixedly connected to the side wall of the first iron disc and the side wall of the second iron disc. According to the utility model, the battery sealing ring can be rapidly and conveniently clamped between the first iron disc and the second iron disc, the plane resistance can be effectively tested, the requirement of rapid production inspection can be met, and meanwhile, the device changes the pressure on the battery sealing ring through the weight of the ballasting weight, so that the clamping force of the battery sealing ring is more accurate and stable, and the production efficiency is improved. And the accuracy of the test data is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of battery sealing rings, in particular to a battery sealing ring resistance testing device. Background Art

[0002] Battery rubber seals are important sealing components of power batteries, mainly used for the sealing of poles. With the increase in power battery capacity and the requirement for fast charging and discharging, the resistance requirements for seals are getting higher and higher. Therefore, the resistance test of battery seals is required after production.

[0003] In GB / T37996-2019 "Rubber Seals for Power Lithium Batteries", the insulation resistance test method in the national standard for power battery sealing rings is relatively complicated, which cannot meet the requirements of rapid production inspection and is not conducive to the rapid determination of product quality; at the same time, there are personal operating differences in the tightening force of the resistance test method in the national standard. Utility Model Content

[0004] The utility model provides a battery sealing ring resistance testing device to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A battery sealing ring resistance testing device comprises an insulating base, a first iron plate is fixedly connected to the upper side of the insulating base, an insulating support plate is connected to the upper side of the insulating base via a lifting device, a sliding column vertically penetrates the side wall of the insulating support plate, an engaging lifting device is provided on the side wall of the sliding column, the upper end of the sliding column is fixedly connected to a top plate, a weight is provided on the top plate, the bottom end of the sliding column is fixedly connected to a second iron plate, and electrode columns are fixedly connected to the side walls of the first and second iron plates.

[0007] As a further improvement of the technical solution: the lifting device includes a column, the column is fixedly connected to the insulating base, and a locking bolt is threadedly connected to the side wall of the insulating support plate, and one end of the locking bolt is against the side wall of the column.

[0008] As a further improvement of the present technical solution: the meshing lifting device includes a rack groove and a mounting groove, the rack groove is vertically opened on the side wall of the sliding column, the mounting groove is opened inside the insulating support plate, a gear is rotatably connected in the mounting groove, the gear is meshed with the rack groove, a rotating shaft is fixedly connected to the side wall of the gear, the rotating shaft is rotatably connected to the side wall of the insulating support plate, one end of the rotating shaft extends out of the side wall of the insulating support plate and is fixedly connected to a handle, and one end of the handle is fixedly connected to a grip ball.

[0009] As a further improvement of the technical solution: the electrode column is made of copper.

[0010] As a further improvement of the technical solution: the second iron plate is located directly above the first iron plate, and the first iron plate and the second iron plate are both arranged in a disc shape.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The device can quickly and conveniently clamp the battery sealing ring between the first iron plate and the second iron plate to effectively test the plane resistance. The operation is simple and can meet the requirements of rapid production inspection. At the same time, the device changes the pressure on the battery sealing ring by the weight of the pressing weight, making the clamping force of the battery sealing ring more precise and stable, thereby improving the accuracy of the test data.

[0013] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiment of the utility model with the accompanying drawings. The specific implementation method of the utility model is given in detail by the following embodiments and their drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0015] Figure 1 This is a side structural schematic diagram of a battery sealing ring resistance testing device proposed by the utility model;

[0016] Figure 2 This is a front view structural schematic diagram of a battery sealing ring resistance testing device proposed by the utility model;

[0017] Figure 3 This is a side cross-sectional structural schematic diagram of a battery sealing ring resistance testing device proposed by the utility model;

[0018] Figure 4 This is a schematic diagram of the sliding column structure proposed by the utility model;

[0019] Figure 5 for Figure 3 A is a schematic diagram of the partially enlarged structure of the middle part;

[0020] Figure 6 This is a schematic diagram of the top cross-sectional structure of the insulating support plate proposed by the utility model.

[0021] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0022] 1. Column; 2. Locking bolt; 3. Insulating support plate; 4. Electrode column; 5. First iron plate; 6. Sliding column; 7. Second iron plate; 8. Insulating base; 9. Mounting groove; 10. Rotating shaft; 11. Top plate; 12. Handle; 13. Pressure weight; 14. Grip ball; 15. Gear; 16. Rack groove. DETAILED DESCRIPTION

[0023] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention. The present invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become clearer according to the following description and claims. It should be noted that the drawings are all in a very simplified form and are not in precise proportions, and are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present invention.

[0024] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0026] See also Figures 1 to 6In an embodiment of the utility model, a battery sealing ring resistance testing device includes an insulating base 8, a first iron plate 5 is fixedly connected to the upper side of the insulating base 8, an insulating support plate 3 is connected to the upper side of the insulating base 8 through a lifting device, a sliding column 6 is vertically penetrated on the side wall of the insulating support plate 3, and an engaging lifting device is provided on the side wall of the sliding column 6, a top plate 11 is fixedly connected to the upper end of the sliding column 6, and a weight 13 is provided on the top plate 11, and the weight 13 can generate downward pressure on the second iron plate 7, wherein the pressure on the battery sealing ring can be changed by setting the weight of the weight 13, and the bottom end of the sliding column 6 is fixedly connected to the second iron plate 7, and the second iron plate 7 is located directly above the first iron plate 5, and the first iron plate 5 and the second iron plate 7 are both arranged in a disc shape, and the side walls of the first iron plate 5 and the second iron plate 7 are fixedly connected with electrode columns 4, and the electrode columns 4 are made of copper.

[0027] Specifically, the lifting device includes a column 1, which is fixedly connected to an insulating base 8. A locking bolt 2 is threadedly connected to the side wall of the insulating support plate 3, and one end of the locking bolt 2 is against the side wall of the column 1. When the height of the insulating support plate 3 needs to be adjusted, the locking bolt 2 can be loosened outward. At this time, the insulating support plate 3 can slide up and down along the column 1. When it reaches a suitable position, the locking bolt 2 is then tightened inward. After the locking bolt 2 is tightly against the column 1, the insulating support plate 3 can be fixed on the column 1.

[0028] Specifically, the meshing and pulling device includes a rack groove 16 and a mounting groove 9. The rack groove 16 is vertically opened on the side wall of the sliding column 6. The mounting groove 9 is opened inside the insulating support plate 3. A gear 15 is rotatably connected in the mounting groove 9. The gear 15 is meshed with the rack groove 16. A rotating shaft 10 is fixedly connected to the side wall of the gear 15. The rotating shaft 10 is rotatably connected to the side wall of the insulating support plate 3. One end of the rotating shaft 10 extends out of the side wall of the insulating support plate 3 and is fixedly connected to a handle 12. One end of the handle 12 is fixedly connected to a grip ball 14. When the battery sealing ring needs to be clamped, the handle 12 can be grasped, and then the handle 12 can be pressed. The rotating shaft 10 is driven to rotate, and the rotation of the rotating shaft 10 can drive the gear 15 to rotate clockwise. The rotation of the gear 15 drives the sliding column 6 to rise by engaging with the rack groove 16. The rising of the sliding column 6 can drive the second iron plate 7 to rise and leave the upper side of the first iron plate 5. Then, the battery sealing ring to be tested can be placed on the upper side of the first iron plate 5, and then the handle 12 is released. The second iron plate 7 can drive the sliding column 6 to descend under the action of gravity. At this time, the battery sealing ring can be clamped between the first iron plate 5 and the second iron plate 7, and then the distance between the first iron plate 5 and the second iron plate 7 can be adjusted by manipulating the handle 12 to facilitate testing of a variety of different products.

[0029] The working principle of the utility model is:

[0030] When in use, first grasp the handle 12 to drive the rotating shaft 10 to rotate, and the rotating shaft 10 is then engaged with the rack groove 16 through the gear 15 to drive the sliding column 6 to rise. The rising sliding column 6 can drive the second iron plate 7 to rise and leave the upper side of the first iron plate 5, and then the battery sealing ring to be tested can be placed on the upper side of the first iron plate 5, and then the handle 12 is released, and the second iron plate 7 can drive the sliding column 6 to descend under the action of gravity. At this time, the battery sealing ring can be clamped between the first iron plate 5 and the second iron plate 7, and then the pressure weight 13 is placed on the upper side of the top plate 11. The pressure weight 13 can increase the pressure of the second iron plate 7 on the battery sealing ring to ensure that the battery sealing ring is evenly in contact with the first iron plate 5 and the second iron plate 7, thereby improving the accuracy of the test data. When performing a resistance test recently, the positive and negative test lines of the resistance tester (the resistance tester is a prior art, not shown in the figure) can be connected to the electrode columns 4 on the first iron plate 5 and the second iron plate 7 respectively to test the battery sealing ring.

[0031] The above description is only a preferred embodiment of the utility model and does not impose any form of limitation on the utility model. Any ordinary technician in the industry can smoothly implement the utility model as shown in the drawings of the specification and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the utility model using the technical content disclosed above are all equivalent embodiments of the utility model. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the utility model are still within the protection scope of the technical solution of the utility model.

Claims

1. A battery sealing ring resistance testing device, comprising an insulating base (8), characterized in that: The upper side of the insulating base (8) is fixedly connected to a first iron plate (5), and the upper side of the insulating base (8) is connected to an insulating support plate (3) via a lifting device. A sliding column (6) vertically penetrates the side wall of the insulating support plate (3), and an engaging lifting device is provided on the side wall of the sliding column (6). The upper end of the sliding column (6) is fixedly connected to a top plate (11), and a weight (13) is provided on the top plate (11). The bottom end of the sliding column (6) is fixedly connected to a second iron plate (7), and the side walls of the first iron plate (5) and the second iron plate (7) are both fixedly connected to electrode columns (4).

2. A battery sealing ring resistance testing device according to claim 1, characterized in that: The lifting device comprises a column (1), wherein the column (1) is fixedly connected to an insulating base (8), a locking bolt (2) is threadedly connected to the side wall of the insulating support plate (3), and one end of the locking bolt (2) abuts against the side wall of the column (1).

3. A battery sealing ring resistance testing device according to claim 1, characterized in that: The meshing and pulling device comprises a rack groove (16) and a mounting groove (9), wherein the rack groove (16) is vertically opened on the side wall of the sliding column (6), and the mounting groove (9) is opened inside the insulating support plate (3). A gear (15) is rotatably connected in the mounting groove (9), and the gear (15) is meshingly connected with the rack groove (16). A rotating shaft (10) is fixedly connected to the side wall of the gear (15), and the rotating shaft (10) is rotatably connected to the side wall of the insulating support plate (3). One end of the rotating shaft (10) extends out of the side wall of the insulating support plate (3) and is fixedly connected to a handle (12), and one end of the handle (12) is fixedly connected to a grip ball (14).

4. A battery sealing ring resistance testing device according to claim 1, characterized in that: The electrode column (4) is made of copper.

5. A battery sealing ring resistance testing device according to claim 1, characterized in that: The second iron plate (7) is located directly above the first iron plate (5), and both the first iron plate (5) and the second iron plate (7) are arranged in a disc shape.

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