Battery cap assembly with high assembly efficiency

Abstract

The utility model relates to the technical field of battery cap assemblies, and discloses a battery cap assembly with high assembly efficiency, which comprises a cap assembly, the cap assembly consists of a cover plate and a rubber ring, the cover plate is inserted at the periphery of the rubber ring, a second positioning insertion lug is arranged at the bottom of the rubber ring on the cap assembly, and the rubber ring is inserted into the second positioning insertion lug. A pressing ring is arranged under the cover cap assembly, a second positioning inserting-connecting notch is formed in the top of the pressing ring, a third positioning inserting-connecting protruding block is arranged at the bottom of the pressing ring, and first positioning inserting-connecting notches are formed in the inner side wall of the rubber ring and the inner side wall of the pressing ring. According to the utility model, the first positioning and inserting notch, the first positioning and inserting convex block, the second positioning and inserting notch, the second positioning and inserting convex block, the third positioning and inserting convex block and the third positioning and inserting notch are arranged and are matched with one another, so that quick inserting and mounting can be realized, and the efficiency of assembling the battery cover cap is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of battery cap components, in particular to a battery cap component with high assembly efficiency. Background Art

[0002] The structure of lithium-ion cylindrical batteries commonly used in the market includes: outer shell, cap, positive electrode, negative electrode, tab, diaphragm, electrolyte, PTC element, gasket, safety valve, etc. Generally, the battery shell is the negative electrode of the battery, and the cap is the positive electrode of the battery, so the cap is an important component of the battery.

[0003] The existing battery cap assembly cannot achieve accurate positioning and quick plug-in installation during assembly, resulting in low efficiency in assembling the battery cap. Therefore, there is an urgent need for a battery cap assembly with high assembly efficiency to solve the above technical problems. Utility Model Content

[0004] The utility model aims to provide a battery cap assembly with high assembly efficiency, so as to solve the problem that the existing battery cap assembly proposed in the above background technology cannot achieve accurate positioning and fast plug-in installation during assembly, resulting in low efficiency of assembling the battery cap.

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

[0006] A battery cap assembly with high assembly efficiency comprises a cap assembly, wherein the cap assembly is composed of a cover plate and a rubber ring, the cover plate is inserted on the periphery of the rubber ring, a second positioning and plugging protrusion is arranged at the bottom of the rubber ring on the cap assembly, a pressure ring is arranged directly below the cap assembly, a second positioning and plugging recess is opened on the top of the pressure ring, a third positioning and plugging protrusion is arranged at the bottom of the pressure ring, a first positioning and plugging recess is opened on the inner side walls of the rubber ring and the pressure ring, a pole is inserted at the axis of the rubber ring and the pressure ring, a first positioning and plugging protrusion is arranged on the pole, the rubber ring is plugged into the second positioning and plugging recess on the pressure ring through the second positioning and plugging protrusion, a pole ear is arranged directly below the pressure ring, a third positioning and plugging recess is opened on the top of the pole ear, and the pressure ring is plugged into the third positioning and plugging recess at the top of the pole ear through the third positioning and plugging protrusion.

[0007] As a preferred technical solution of the present utility model, the number of the first positioning plug-in protrusions is set to two, and the two first positioning plug-in protrusions are vertically distributed.

[0008] As a preferred technical solution of the utility model, the first positioning plug-in protrusion is a circular ring structure, and there is a certain gap between the inner side of the pressure ring and the pole.

[0009] As a preferred technical solution of the present utility model, the second positioning and plugging protrusion and the second positioning and plugging recess are both cylindrical structures, and the two are compatible.

[0010] As a preferred technical solution of the present utility model, the shapes of the third positioning and plugging protrusion and the third positioning and plugging recess are both trapezoidal structures, and the two are compatible with each other.

[0011] As a preferred technical solution of the utility model, the number of the second positioning plug-in protrusion, the second positioning plug-in recess, the third positioning plug-in protrusion and the third positioning plug-in recess are all set to two, and are all arranged symmetrically about the pole in a left-right axis.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. The utility model provides a first positioning plug-in recess, a first positioning plug-in protrusion, a second positioning plug-in recess, a second positioning plug-in protrusion, a third positioning plug-in protrusion and a third positioning plug-in recess, and utilizes the mutual cooperation between them to achieve accurate positioning and rapid plug-in installation, thereby improving the efficiency of assembling the battery cap.

[0014] 2. The first positioning plug-in protrusion of the utility model is made of rubber material, so that the pole can be squeezed and deformed when inserted into the rubber ring and the pressure ring, thereby facilitating the plug-in between the three. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a schematic cross-sectional view of the overall structure of the utility model;

[0018] Figure 3 It is a schematic diagram of the three-dimensional structure of the pressure ring of the utility model.

[0019] In the figure: 1, rubber ring; 2, cover plate; 3, pressure ring; 4, pole; 5, pole ear; 6, plug-in protrusion; 7, second positioning plug-in protrusion; 8, third positioning plug-in protrusion; 10, first positioning plug-in recess; 11, second positioning plug-in recess; 12, third positioning plug-in recess; 13, cap assembly. DETAILED DESCRIPTION

[0020] The present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are only used to explain the relevant utility model, rather than to limit the utility model. It should also be noted that, for ease of description, only the parts related to the utility model are shown in the accompanying drawings. The different types of section lines in the drawings in the embodiments of the utility model are not marked according to the national standard, nor are there any requirements for the materials of the components, but are used to distinguish the cross-sectional views of the components in the drawings.

[0021] See also Figure 1-3 A battery cap assembly with high assembly efficiency includes a cap assembly 13, which is composed of a cover plate 2 and a rubber ring 1. The cover plate 2 is inserted on the periphery of the rubber ring 1. A second positioning plug-in protrusion 7 is arranged at the bottom of the rubber ring 1 on the cap assembly 13. A pressure ring 3 is arranged directly below the cap assembly 13. A second positioning plug-in recess 11 is opened on the top of the pressure ring 3. A third positioning plug-in protrusion 8 is arranged at the bottom of the pressure ring 3. The inner wall of the rubber ring 1 and the pressure ring 3 is provided with a second positioning plug-in recess 11. A first positioning and plugging recess 10 is provided, a pole 4 is inserted at the axis of the rubber ring 1 and the pressure ring 3, a first positioning and plugging protrusion 6 is provided on the pole 4, the rubber ring 1 is plugged into the second positioning and plugging recess 11 on the pressure ring 3 through the second positioning and plugging protrusion 7, a pole ear 5 is provided directly below the pressure ring 3, a third positioning and plugging recess 12 is provided on the top of the pole ear 5, and the pressure ring 3 is plugged into the third positioning and plugging recess 12 on the top of the pole ear 5 through the third positioning and plugging protrusion 8.

[0022] The number of the first positioning plug-in protrusions 6 is set to two, and the two first positioning plug-in protrusions 6 are vertically distributed.

[0023] The first positioning plug-in protrusion 6 is a circular ring structure, and there is a certain gap between the inner side of the pressing ring 3 and the pole 4 .

[0024] The second positioning and inserting protrusion 7 and the second positioning and inserting recess 11 are both cylindrical structures, and the two are compatible with each other.

[0025] The third positioning and inserting protrusion 8 and the third positioning and inserting recess 12 are both trapezoidal in shape and are matched with each other.

[0026] The number of the second positioning plug-in protrusion 7 , the second positioning plug-in recess 11 , the third positioning plug-in protrusion 8 and the third positioning plug-in recess 12 are all two, and are all arranged symmetrically about the pole 4 .

[0027] The working principle and use process of the utility model are as follows: first, during assembly, the cap assembly 13 is plugged into the second positioning plug-in recess 11 on the pressure ring 3 through the second positioning plug-in protrusion 7 on the rubber ring 1 thereon, so that the cap assembly 13 is plugged into the pressure ring 3, and the pressure ring 3 is plugged into the third positioning plug-in recess 12 on the top of the pole ear 5 through the third positioning plug-in protrusion 8, and then the pole 4 is inserted into the axis of the rubber ring 1 and the pressure ring 3 from the top axis, and the two first positioning plug-in protrusions 6 on the pole 4 are respectively inserted into the first positioning plug-in recess 10 on the rubber ring 1 and the pressure ring 3, thereby completing the assembly, thereby achieving accurate positioning and fast plug-in installation, and improving the efficiency of assembling the battery cap. The contents not described in detail in this description belong to the prior art known to professional and technical personnel in this field.

[0028] The above description is only a preferred embodiment of the present application and an explanation of the technical principles used. Those skilled in the art should understand that the scope of the utility model involved in the present application is not limited to the technical solution formed by a specific combination of the above technical features, but should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the concept of the utility model. For example, the above features are replaced with the technical features with similar functions disclosed in the present application (but not limited to) by each other to form a technical solution.

Claims

1. A battery cap assembly with high assembly efficiency, comprising a cap assembly (13), characterized in that: The cap assembly (13) is composed of a cover plate (2) and a rubber ring (1); the cover plate (2) is inserted on the periphery of the rubber ring (1); a second positioning plug-in protrusion (7) is arranged at the bottom of the rubber ring (1) on the cap assembly (13); a pressure ring (3) is arranged directly below the cap assembly (13); a second positioning plug-in recess (11) is arranged at the top of the pressure ring (3); a third positioning plug-in protrusion (8) is arranged at the bottom of the pressure ring (3); and a first positioning plug-in recess (11) is arranged on the inner side walls of the rubber ring (1) and the pressure ring (3). 0), a pole (4) is inserted at the axis of the rubber ring (1) and the pressure ring (3), a first positioning plug-in protrusion (6) is provided on the pole (4), the rubber ring (1) is plugged into a second positioning plug-in recess (11) on the pressure ring (3) through a second positioning plug-in protrusion (7), a pole ear (5) is provided directly below the pressure ring (3), a third positioning plug-in recess (12) is provided on the top of the pole ear (5), and the pressure ring (3) is plugged into the third positioning plug-in recess (12) on the top of the pole ear (5) through a third positioning plug-in protrusion (8).

2. A battery cap assembly with high assembly efficiency according to claim 1, characterized in that: The number of the first positioning plug-in protrusions (6) is set to two, and the two first positioning plug-in protrusions (6) are vertically distributed.

3. A battery cap assembly with high assembly efficiency according to claim 1, characterized in that: The first positioning plug-in protrusion (6) is a circular ring structure, and a certain gap exists between the inner side of the pressure ring (3) and the pole (4).

4. A battery cap assembly with high assembly efficiency according to claim 1, characterized in that: The second positioning and inserting protrusion (7) and the second positioning and inserting recess (11) are both cylindrical structures in shape, and the two are compatible with each other.

5. The battery cap assembly with high assembly efficiency according to claim 1, characterized in that: The third positioning plug-in protrusion (8) and the third positioning plug-in recess (12) are both trapezoidal in shape and are compatible with each other.

6. A battery cap assembly with high assembly efficiency according to claim 1, characterized in that: The number of the second positioning plug-in protrusion (7), the second positioning plug-in recess (11), the third positioning plug-in protrusion (8) and the third positioning plug-in recess (12) is set to two, and they are all arranged in a left-right symmetrical manner with respect to the pole (4).

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