Connecting structure of rubber coating ring and top cover piece
By designing a notch or groove on the outer periphery of the rubber-coated ring, the upper plastic part is embedded and combined with the top cover plate, solving the problem of poor anti-rotation capability of the pole post, achieving a stable connection and extending service life.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- GUANGDONG LEEHOM PRECISION TECH CO LTD
- Filing Date
- 2025-04-01
- Publication Date
- 2026-05-08
AI Technical Summary
In the existing technology, the battery cover plate has poor anti-rotation capability of the terminal post, which makes it easy for the upper plastic part and the rubber ring to separate, and the connection stability is difficult to meet the requirements.
A notch or groove is designed on the outer periphery of the rubber-coated ring. When the upper plastic part is injection molded, the upper plastic part is embedded in the notch or groove and fixedly combined with the top cover and the rubber-coated ring to form an integrated structure, thereby enhancing the torque value.
It improves the anti-rotation capability of the pole, ensures a stable connection between the upper plastic part and the rubber ring, and extends the service life.
Smart Images
Figure CN224217581U_ABST
Abstract
Description
Technical Field
[0001] This utility model patent relates to the technical field of battery cover plates, and more specifically, to the connection structure between the rubber-coated ring and the top cover plate. Background Technology
[0002] The battery cover is an important component of the battery. It has a top cover plate, through which the terminals are inserted, and the terminals are surrounded by an adhesive ring. During assembly, the battery cover needs to be injection molded to form an upper plastic part. The upper plastic part is connected to the top cover plate and the adhesive ring, thereby fixing the terminals to the top cover plate.
[0003] In the existing technology, the anti-rotation capability of the pole is quite critical. However, due to the flat connection between the upper plastic part and the rubber ring, the connection stability is difficult to meet the requirements. The upper plastic part and the rubber ring are prone to detachment, resulting in poor anti-rotation capability of the pole. Utility Model Content
[0004] The purpose of this invention is to provide a connection structure between the rubber-coated ring and the top cover plate, aiming to solve the problem of poor anti-rotation capability of the pole post in the prior art.
[0005] This utility model is implemented as follows: the connection structure between the rubber-coated ring and the top cover plate includes a top cover plate, the top cover plate having a pole hole for the pole to pass through, the pole having a middle section passing through the pole hole; the outer periphery of the middle section is wrapped with a rubber-coated ring, and the outer periphery of the rubber-coated ring is provided with a notch groove.
[0006] An upper plastic part is embedded in the electrode hole. The upper plastic part wraps around the outer periphery of the rubber-coated ring and is embedded in the notch. The electrode, top cover, rubber-coated ring and upper plastic part are fixedly combined into one unit.
[0007] Furthermore, the outer periphery of the rubber-coated ring is provided with a plurality of notches, which are arranged at intervals around the circumference of the rubber-coated ring.
[0008] Furthermore, the rubber-coated ring includes an outer peripheral ring that wraps around the outer periphery of the middle section and an upper ring that wraps around the top of the middle section from top to bottom. The notch is formed on the outer peripheral ring and extends to the upper ring.
[0009] Furthermore, the bottom of the notch is formed on an upwardly open step, which is formed on the outer circumference.
[0010] Furthermore, the rubber-coated ring has a lower ring that wraps around the bottom of the middle section from bottom to top.
[0011] Furthermore, the upper ring, outer ring, and lower ring are integrally formed by injection molding.
[0012] Furthermore, the bottom of the middle section has an upwardly recessed groove ring, and the lower ring is embedded in the groove ring and fixedly integrated with the middle section.
[0013] Furthermore, the top of the top cover plate is provided with a surrounding wall, which surrounds the outer periphery of the pole hole, and the upper plastic part wraps around the surrounding wall and is fixedly combined with the surrounding wall as one unit.
[0014] Furthermore, the enclosing wall is bent.
[0015] Furthermore, a spacer ring is provided between the outer periphery of the rubber-coated ring and the inner wall of the electrode hole, and the upper plastic part has an embedded ring that fills and embeds in the spacer ring; the embedded ring wraps around the outer periphery of the rubber-coated ring, is embedded in the notch groove, and abuts against the inner wall of the electrode hole.
[0016] Compared with the prior art, the connection structure between the rubber-coated ring and the top cover plate provided by this utility model forms a notch groove on the outer periphery of the rubber-coated ring. During the injection molding process, the upper plastic part can be embedded in the notch groove, and the upper plastic part is also integrated with the top cover plate. This increases the torque value, and the upper plastic will not fall off after fatigue testing, thereby increasing the service life of the upper plastic and improving the anti-rotation capability of the pole. Attached Figure Description
[0017] Figure 1 This is a cross-sectional schematic diagram of the connection structure between the rubber-coated ring and the top cover plate provided by this utility model;
[0018] Figure 2 This is a cross-sectional schematic diagram of the connection between the pole post and the rubber-coated ring provided by this utility model;
[0019] Figure 3 This is a three-dimensional schematic diagram of the connection between the pole post and the rubber-coated ring provided by this utility model. Detailed Implementation
[0020] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.
[0021] The implementation of this utility model will be described in detail below with reference to specific embodiments.
[0022] In the accompanying drawings of this embodiment, the same or similar reference numerals correspond to the same or similar components. In the description of this utility model, it should be understood that if terms such as "upper," "lower," "left," and "right" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, they are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the terms used to describe positional relationships in the drawings are only for illustrative purposes and should not be construed as limiting this patent. For those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.
[0023] Reference Figure 1-3 The image shown is a preferred embodiment of the present invention.
[0024] The connection structure between the rubber-coated ring and the top cover plate includes a top cover plate 300, which has a pole hole through which the pole 100 passes, and the pole 100 has a middle section 101 that passes through the pole hole; the outer periphery of the middle section 101 is wrapped with a rubber-coated ring 200, and the outer periphery of the rubber-coated ring 200 is provided with a notch 201.
[0025] An upper plastic part 400 is embedded in the electrode post hole. The upper plastic part 400 wraps around the outer periphery of the rubber-coated ring 200 and is embedded in the notch 201. The electrode post 100, the top cover plate 300, the rubber-coated ring 200 and the upper plastic part 400 are fixedly combined into one unit.
[0026] During the manufacturing process, the rubber-coated ring 200 is injection molded around the outer periphery of the middle section 101. In the subsequent assembly process, the upper plastic part 400 is injection molded, and the upper plastic part 400 is connected to the rubber-coated ring 200 and the top cover plate 300 as a whole.
[0027] The connection structure between the rubber-coated ring and the top cover sheet provided above, by forming a notch 201 on the outer periphery of the rubber-coated ring 200, allows the upper plastic part 400 to be embedded in the notch 201 during the injection molding process, and the upper plastic part 400 is also integrated with the top cover sheet 300, increasing the torque value. After the upper plastic fatigue test, it will not fall off, increasing the service life of the upper plastic and improving the anti-rotation capability of the pole post 100.
[0028] In this embodiment, the outer periphery of the rubber-coated ring 200 is provided with a plurality of the aforementioned notches and grooves 201, which are arranged at intervals around the circumference of the rubber-coated ring 200. This allows the upper plastic part 400 to be fully embedded and connected to the rubber-coated ring 200 in the entire circumference, further enhancing the torque value and improving the anti-rotation capability of the pole post 100.
[0029] In this embodiment, the overmolded ring 200 includes an outer peripheral ring 204 that wraps around the outer periphery of the middle section 101 and an upper ring 203 that wraps around the top of the middle section 101 from top to bottom. A notch 201 is formed on the outer peripheral ring 204 and extends to the upper ring 203. In this way, the range of the notch 201 can be realized, and the upper plastic part 400 is embedded in the notch 201, thereby enabling the upper plastic part 400 and the overmolded ring 200 to achieve a better bond at both the top and the outer periphery.
[0030] In this embodiment, the bottom of the notch 201 is formed on an upwardly open step 202, which is formed on the outer peripheral ring 204. This facilitates the flow and filling of the upper plastic part 400 in the notch 201 during the injection molding process.
[0031] In this embodiment, the rubber-coated ring 200 has a lower ring 205 that wraps around the bottom of the middle section 101 from bottom to top. In this way, the rubber-coated ring 200 can wrap around the upper, lower and circumferential parts of the pole post 100, so that the rubber-coated ring 200 and the pole post 100 are more integrated.
[0032] In this embodiment, the upper ring 203, the outer ring 204, and the lower ring 205 are integrally formed by injection molding, thus making the structure of the encapsulated ring 200 more integrated and stable.
[0033] In this embodiment, the bottom of the middle section 101 has an upwardly recessed groove ring, and the lower ring 205 is embedded in the groove ring and fixedly combined with the middle section 101. This facilitates the injection molding of the rubber-coated ring 200 and makes the combination between the rubber-coated ring 200 and the pole post 100 more stable.
[0034] In this embodiment, the top of the top cover plate 300 is provided with a surrounding wall 301, which surrounds the outer periphery of the pole hole. The upper plastic part 400 wraps around the surrounding wall 301 and is fixedly combined with the surrounding wall 301 as a whole. In this way, the upper plastic part 400 formed after injection molding can be combined with the top cover plate 300 into a more stable whole.
[0035] In this embodiment, the enclosing wall 301 is bent, so that the enclosing wall 301 is bent and built into the upper plastic part 400, and the connection between the enclosing wall 301 and the upper plastic part 400 is better.
[0036] In this embodiment, a spacer ring is provided between the outer periphery of the overmolded ring 200 and the inner wall of the electrode post hole, and the upper plastic part 400 has an insert ring 401 that fills and embeds in the spacer ring; the insert ring 401 wraps around the outer periphery of the overmolded ring 200, is embedded in the notch 201, and abuts against the inner wall of the electrode post hole. In this way, the injection-molded overmolded ring 200, the electrode post 100, the injection-molded upper plastic part 400, and the top cover plate 300 are integrated into one unit.
[0037] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A connection structure between a rubber-coated ring and a top cover plate, characterized in that, Includes a top cover plate, the top cover plate having an electrode hole for the electrode post to pass through, the electrode post having a middle section passing through the electrode hole; the outer periphery of the middle section is wrapped with an adhesive ring, the outer periphery of the adhesive ring having a notch groove; An upper plastic part is embedded in the electrode hole. The upper plastic part wraps around the outer periphery of the rubber-coated ring and is embedded in the notch. The electrode, top cover, rubber-coated ring and upper plastic part are fixedly combined into one unit. The outer periphery of the rubber-coated ring is provided with a plurality of notches, which are arranged at intervals around the circumference of the rubber-coated ring. The rubber-coated ring includes an outer peripheral ring that wraps around the outer periphery of the middle section and an upper ring that wraps around the top of the middle section from top to bottom. The notch is formed on the outer peripheral ring and extends to the upper ring. The bottom of the notch is formed in an upwardly open step, the step being formed on the outer periphery; The rubber-coated ring has a lower ring that wraps around the bottom of the middle section from bottom to top.
2. The connection structure between the rubber-coated ring and the top cover plate as described in claim 1, characterized in that, The upper ring, outer ring, and lower ring are integrally formed by injection molding.
3. The connection structure between the rubber-coated ring and the top cover plate as described in claim 1, characterized in that, The bottom of the middle section has an upwardly recessed groove ring, and the lower ring is embedded in the groove ring and fixedly integrated with the middle section.
4. The connection structure between the rubber-coated ring and the top cover sheet as described in any one of claims 1 to 3, characterized in that, The top of the top cover plate has a protruding enclosure wall, which surrounds the outer periphery of the pole hole. The upper plastic part wraps around the enclosure wall and is fixedly integrated with the enclosure wall.
5. The connection structure between the rubber-coated ring and the top cover plate as described in claim 4, characterized in that, The enclosing wall is bent.
6. The connection structure between the rubber-coated ring and the top cover sheet as described in any one of claims 1 to 3, characterized in that, A spacer ring is provided between the outer periphery of the rubber-coated ring and the inner wall of the electrode hole, and the upper plastic part has an embedded ring that fills and embeds in the spacer ring; the embedded ring wraps around the outer periphery of the rubber-coated ring, is embedded in the notch groove, and abuts against the inner wall of the electrode hole.