Insulation pad with liquid injection hole

Abstract

The utility model provides an insulation pad with liquid injection holes, and relates to the field of insulation pads, the insulation pad with the liquid injection holes comprises a cover plate body, a liquid injection plate is arranged in the middle of the cover plate body, a plurality of liquid injection holes are formed in the liquid injection plate, the liquid injection plate is arranged in a concave shape, and gaskets are arranged on the two sides of the lower end of the cover plate body. When the lithium battery cover plate is used, the cover plate body is buckled on a lithium battery, then electrolyte is injected into the liquid injection plate through the pipeline, the electrolyte permeates into a battery core through the liquid injection holes in the liquid injection plate, the impact force of the electrolyte can be weakened through the liquid injection plate, and the electrolyte can be prevented from being damaged. And the problems of pole piece powder falling, material shortage and the like caused by the impact force of the electrolyte can be prevented.

Description

Technical Field

[0001] The present application relates to the field of insulating pads, and in particular to an insulating pad with a liquid injection hole. Background Art

[0002] With the development of science and technology, square batteries are used in many fields, among which the largest demand is in the fields of power, energy storage and two-wheeled vehicles; currently, in the production process of square battery products, the efficiency of battery injection directly affects the production efficiency of the battery. In order to speed up the efficiency of battery injection, most battery manufacturers increase the injection pressure; however, when the injection pressure of the battery is increased, the injection flow rate becomes faster, the kinetic energy of the electrolyte becomes larger, and the impact force on the battery pole group also increases, causing some pole groups to have problems such as pole piece powder falling off and material shortage due to the impact of the electrolyte. Summary of the invention

[0003] The purpose of the embodiments of the present application is to provide an insulating pad with a liquid injection hole, which can solve the technical problem of electrolyte impacting the battery electrode group.

[0004] An embodiment of the present application provides an insulating pad with injection holes, including a cover body, a liquid injection plate is arranged in the middle of the cover body, a plurality of liquid injection holes are arranged on the liquid injection plate, the liquid injection plate is arranged in a concave shape, gaskets are arranged on both sides of the lower end of the cover body, and extension parts are arranged around the lower end of the cover body.

[0005] Preferably, the liquid injection plate is arranged in a "concave" shape.

[0006] Preferably, a positioning column is provided at the lower end of the cover plate body, and the positioning column is arranged between the gasket and the liquid injection plate.

[0007] Preferably, an anti-slip part is provided inside the extension part, and a plurality of anti-slip parts are provided.

[0008] Preferably, the cover body is made of plastic material, and an antistatic layer is provided on the outer wall of the cover body.

[0009] Preferably, the distance between the lower end of the liquid injection plate and the upper end of the cover plate body exceeds 1 cm.

[0010] Preferably, reinforcing ribs are arranged inside the cover plate body, and the reinforcing ribs are made of metal material.

[0011] Beneficial effects of the utility model:

[0012] The utility model provides an insulating pad with injection holes, comprising a cover body, a liquid injection plate is arranged in the middle of the cover body, a plurality of liquid injection holes are arranged on the liquid injection plate, the liquid injection plate is arranged in a concave shape, gaskets are arranged on both sides of the lower end of the cover body, and extension pieces are arranged around the lower end of the cover body. When the utility model is in use, the cover body is buckled on the lithium battery, and then the electrolyte is injected into the liquid injection plate through a pipeline, and the electrolyte penetrates into the battery core through the injection holes on the liquid injection plate. The impact force of the electrolyte can be weakened by the liquid injection plate, so that the problems of electrode powder falling off and material shortage caused by the impact force of the electrolyte can be prevented. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a structural schematic diagram of another viewing angle of the utility model;

[0016] Figure 3 It is a cross-sectional view of the utility model.

[0017] The reference numerals are:

[0018] 1. Cover plate body; 2. Liquid injection plate; 3. Liquid injection hole; 4. Gasket; 5. Extension piece; 6. Positioning column; 7. Anti-slip piece. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.

[0020] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for which protection is sought, but merely represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0021] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0022] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the product of the application is usually placed when in use. They are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0023] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0024] In the description of this application, it should also be noted that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0025] like Figure 1-3 As shown, an insulating pad with injection holes comprises a cover body 1, a liquid injection plate 2 is arranged in the middle of the cover body 1, a plurality of liquid injection holes 3 are arranged on the liquid injection plate 2, the liquid injection plate 2 is arranged in a concave shape, gaskets 4 are arranged on both sides of the lower end of the cover body 1, and extension pieces 5 are arranged around the lower end of the cover body 1. When the utility model is in use, the cover body 1 is buckled on the lithium battery, and then the electrolyte is injected into the liquid injection plate 2 through a pipeline, and the electrolyte penetrates into the battery core through the injection holes 3 on the liquid injection plate 2. The impact force of the electrolyte can be weakened by the liquid injection plate 2, so as to prevent the occurrence of problems such as electrode powder falling off and material shortage due to the impact force of the electrolyte.

[0026] like Figure 1-3As shown, in this embodiment, the injection plate 2 is arranged in a "concave" shape, and the injection plate 2 and the cover body 1 can form a receiving cavity, the depth of the receiving cavity exceeds 1 cm, and the receiving cavity can be used to receive electrolyte.

[0027] like Figure 1-3 As shown, in this embodiment, a positioning column 6 is provided at the lower end of the cover plate body 1 , and the positioning column 6 is provided between the gasket 4 and the liquid injection plate 2 .

[0028] like Figure 1-3 As shown, in this embodiment, an anti-slip part 7 is arranged inside the extension part 5, and a plurality of anti-slip parts 7 are arranged. The anti-slip part 7 of the utility model can increase the friction between the extension part 5 and the lithium battery casing, and can prevent the cover body 1 from slipping during the electrolyte injection process.

[0029] In this embodiment, in order to prevent static electricity from interfering with the present invention, the cover body 1 is made of plastic material, and an antistatic layer is disposed on the outer wall of the cover body 1 .

[0030] In this embodiment, reinforcing ribs are provided inside the cover body 1, and the reinforcing ribs are made of metal. The cover body 1 of the utility model can be bent downward, and the reinforcing ribs can increase the hardness of the cover body 1 to prevent excessive bending.

[0031] The above are only preferred embodiments of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An insulating pad with a liquid injection hole, characterized in that: It includes a cover body, a liquid injection plate is arranged in the middle of the cover body, a plurality of liquid injection holes are arranged on the liquid injection plate, the liquid injection plate is arranged in a concave shape, gaskets are arranged on both sides of the lower end of the cover body, and extension parts are arranged around the lower end of the cover body.

2. The insulating pad with a liquid injection hole according to claim 1, characterized in that: The liquid injection plate is arranged in a "concave" shape.

3. The insulating pad with a liquid injection hole according to claim 1, characterized in that: A positioning column is arranged at the lower end of the cover plate body, and the positioning column is arranged between the gasket and the liquid injection plate.

4. The insulating pad with a liquid injection hole according to claim 1, characterized in that: An anti-slip piece is arranged inside the extension piece, and a plurality of anti-slip pieces are arranged.

5. The insulating pad with a liquid injection hole according to claim 1, characterized in that: The cover body is made of plastic material, and an antistatic layer is arranged on the outer wall of the cover body.

6. The insulating pad with a liquid injection hole according to claim 1, characterized in that: The distance between the lower end of the liquid injection plate and the upper end of the cover plate body exceeds 1 cm.

7. The insulating pad with a liquid injection hole according to claim 1, characterized in that: The cover plate body is provided with reinforcing ribs inside, and the reinforcing ribs are made of metal material.

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