Battery cap convenient to coat mucilage glue
By designing a battery cap structure consisting of a cap body, limiting components, and an elastic ring, the problems of inaccurate adhesive application and safety hazards caused by gas venting were solved, thus improving the accuracy and safety of adhesive application.
Patent Information
- Application Number
- CN202423208330.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2034-12-25
AI Technical Summary
If the adhesive is applied to the battery cap inaccurately during the adhesive application process, it can easily spread, and the gas emitted when the battery is working can pose a safety hazard.
A battery cap structure was designed, comprising a cap body, a limiting component, an elastic ring, and a fixing plate. The limiting component guides the adhesive application position, and the elastic ring and fixing plate contain the gas inside the battery to prevent excessive pressure.
This improved the accuracy and safety of adhesive application, avoiding safety hazards caused by adhesive spread and direct gas discharge.
Smart Images

Figure CN223728864U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the battery related technical field, in particular, a battery cap convenient for coating adhesive. BACKGROUND
[0002] The battery cap is an important component of the battery, mainly used for providing the sealing function of the battery, and also plays the role of the safety valve and the positive electrode conductive terminal, the design and quality of the battery cap directly affect the performance and safety of the battery, the battery cap has the effect of preventing the leakage of the electrolyte in the battery, protecting the chemical substances in the battery from the influence of the external environment, when the internal pressure of the battery is too high, the safety valve will automatically open, releasing the internal pressure, preventing the battery from exploding, but it still has the following problems in actual use:
[0003] When the battery cap works, part of the lithium battery needs to be coated with glue inside to increase the sealing effect, after coating the glue, the battery cap and the steel shell of the battery are mutually bonded, and are sealed by welding, so that the end sealing of the battery steel shell is completed when working, when coating the battery cap, the glue liquid is directly delivered to the battery cap through the glue storage nozzle, which easily causes the spread of the glue coating, affecting the convenience and accuracy of the adhesive coating in the battery cap;
[0004] When the battery cap works, after installation, the gas generated in the battery is directly discharged through the safety valve, and in the process of discharging the gas in the battery, environmental pollution is easily caused, and in the process of working, safety hazards are easily caused. UTILITY MODEL CONTENTS
[0005] The utility model discloses a battery cap convenient for coating adhesive, which is characterized by comprising a cap main body, a limiting component, an elastic ring and a fixing disc, solves the problem that the adhesive coating of the battery cap is not convenient enough when working, and the gas generated when the battery works is directly discharged, which easily causes safety hazards.
[0006] To solve the above technical problems, the utility model is realized by the following technical schemes:
[0007] The utility model discloses a battery cap convenient to coat adhesive, including cap main part, limit component, elastic ring and fixed disc, the inner bottom of cap main part is fixed with limit component, limit component includes flexible collar, the inner wall of flexible collar is fixed with elastic ring, the inner wall upper portion of elastic ring is movably connected with fixed disc, the bottom end edge of fixed disc is fixed with flexible ring, the bottom of flexible ring is fixed with elastic rubber sleeve, when working, through the end of battery steel shell of cap main part is closed, through limit component when working, under the elasticity of elastic ring, cooperate and guide the nozzle of adhesive coating to the position of adhesive coating, through the fixed disc bottom end of elastic ring connection through the flexible ring connection elastic rubber sleeve of increasing the space required for containing the gas generated in the battery inside of fixed disc bottom, reduce the steel shell deformation of battery inside because of the excessive pressure.
[0008] Further, the inner wall of the cap main body is fixed with a fixed ring, the inner wall lower edge of the fixed ring is fixed with a reinforcing ring, the bottom end of the reinforcing ring is fixed on the inner wall of the cap main body, and the fixed ring in the cap main body increases the connection strength through the reinforcing ring.
[0009] Further, the limit component further includes a connecting ring and a bottom ring, the bottom end of the flexible collar is fixed with the connecting ring, the bottom end of the connecting ring is fixed with the bottom ring, and the bottom ring is fixed on the inner bottom of the cap main body. When the limit component works, the flexible collar and the cap main body are connected through the connecting ring and the bottom ring.
[0010] Further, the inside of the elastic ring is hollow, and the bottom end of the elastic ring is open. When the elastic ring works, the inside is hollow to increase the elasticity.
[0011] Further, a receiving opening is vertically and through formed in the center of the fixed disc, the bottom end of the elastic rubber sleeve is fixed with a convex disc, and the fixed disc, the flexible ring, the elastic rubber sleeve and the convex disc are movably connected in the elastic ring. When the fixed disc works, the receiving opening is in communication with the battery steel shell.
[0012] Further, the inner bottom of the cap main body is through formed with a movable opening, the convex disc is movably connected in the movable opening, the convex disc extends out of the bottom of the cap main body, and the cap main body works by movably connecting the convex disc through the movable opening.
[0013] The utility model has the advantages of:
[0014] The utility model discloses a cap main part, limit component and elastic ring are set up, solved the problem that the battery cap is not convenient enough when working, when working, through the cap main part movement to the proper position, the glue nozzle that will carry out the gluing is aligned with the space between the fixed ring and limit component, through the fixed ring and flexible sleeve ring cooperation, the glue nozzle is guided well, and the battery cap is more convenient when coating the glue.
[0015] The utility model discloses a cap main part, elastic ring and fixed disc are set up, solved the problem that the gas produced when the battery cap works is directly discharged, and the security hidden danger is easy to produce, and the fixed disc works, through the air inlet, the air enters the area in, through the fixed disc and fix on the elastic ring, the high pressure gas produced in the battery enters the elastic rubber sleeve below the fixed disc, when the high pressure gas enters the elastic rubber sleeve below the fixed disc, the area of elastic rubber sleeve is increased, and through the convex disc and push, when working, prevent the pressure in the battery and be too big, and the battery works more safely. DRAWINGS
[0016] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be to the embodiment description needed to use the drawing briefly introduced, obviously, the drawing in the following description only some embodiments of the utility model, for the ordinary skilled person in the art, under the premise of not paying the creative labor, still can obtain other drawings according to these drawings.
[0017] Figure 1 It is a kind of battery cap assembly structure stereogram for convenient coating glue;
[0018] Figure 2 It is cap main part structure stereogram;
[0019] Figure 3 It is limit component structure stereogram;
[0020] Figure 4 It is elastic ring part cutaway structure stereogram;
[0021] Figure 5 It is fixed disc structure stereogram.
[0022] Drawing mark:
[0023] 1, cap main part;101, fixed ring;102, reinforcing ring;103, movable port;2, limit component;201, flexible sleeve ring;202, connecting ring;203, bottom ring;3, elastic ring;4, fixed disc;401, containing mouth;402, flexible ring;403, elastic rubber sleeve;404, convex disc. Specific implementation
[0024] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application. Embodiment one
[0025] Please refer to Figures 1-5 The utility model discloses a battery cap convenient to coat adhesive, which comprises a cap main body 1, a limiting assembly 2, an elastic ring 3 and a fixing disc 4. The inner bottom of the cap main body 1 is fixed with the limiting assembly 2. When the cap main body 1 works, the end of the battery steel shell is closed, and the position of the adhesive is limited by the limiting assembly 2. The limiting assembly 2 comprises a flexible sleeve ring 201. The inner wall of the flexible sleeve ring 201 is fixed with the elastic ring 3. The flexible sleeve ring 201 is connected with the cap main body 1 through the elastic ring 3. The inner wall of the elastic ring 3 is movably connected with the fixing disc 4. The fixing disc 4 is connected with the power connection structure inside the battery, so that the battery is connected with power correspondingly when working. The bottom edge of the fixing disc 4 is fixed with a flexible ring 402. The flexible ring 402 connects the elastic rubber sleeve 403 with the fixing disc 4 when working. The bottom end of the flexible ring 402 is fixed with the elastic rubber sleeve 403. The elastic rubber sleeve 403 provides a space for accommodating the gas in the battery when working. When working, the battery can have a space for accommodating the gas generated during the working of the battery.
[0026] Specifically, the inner wall of the cap main body 1 is fixed with a fixing ring 101. The inner wall of the fixing ring 101 is fixed with an enhanced ring 102 at the lower edge. The bottom end of the enhanced ring 102 is fixed on the inner wall of the cap main body 1. The fixing ring 101 cooperates with the battery adhesive when the cap main body 1 works.
[0027] Further, the limiting assembly 2 further comprises a connecting ring 202 and a bottom ring 203. The bottom end of the flexible sleeve ring 201 is fixed with the connecting ring 202. The bottom end of the connecting ring 202 is fixed with the bottom ring 203. The bottom ring 203 is fixed on the inner bottom of the cap main body 1. The connecting ring 202 cooperates with the limiting assembly 2 to limit the adhesive when the limiting assembly 2 works. The bottom ring 203 increases the connecting strength between the flexible sleeve ring 201, the connecting ring 202 and the cap main body 1.
[0028] Further, the inside of the elastic ring 3 is hollow. The bottom end of the elastic ring 3 is open. The inside of the elastic ring 3 is hollow, so that the elasticity is increased when working, and the output end of the glue coating equipment is aligned with the space between the limiting assembly 2 and the fixing ring 101, which is convenient for coating glue.
[0029] The operation process of the embodiment is as follows: when working, the glue outlet for gluing is aligned with the space between the fixing ring 101 and the limiting assembly 2 after the cap body 1 is moved to the appropriate position, the flexible sleeve 201 and the fixing ring 101 are matched to guide the glue outlet well, so that the battery cap is more convenient to coat adhesive. Specific embodiment two
[0030] Please refer to Figure 1 , 2 , 4, 5, on the basis of the specific embodiment one, the vertical through hole is provided with the accommodating port 401 in the center of the fixed disc 4, the bottom end of the elastic rubber sleeve 403 is fixed with the convex disc 404, the flexible ring 402, the elastic rubber sleeve 403 and the convex disc 404 are all movably connected in the elastic ring 3, the fixed disc 4 is fixed on the upper part of the inner wall of the elastic ring 3, when the fixed disc 4 works, air enters the air inlet area through the accommodating port 401, and the fixed disc 4 is fixed on the elastic ring 3, so that the high-pressure gas generated in the battery enters the elastic rubber sleeve 403 below the fixed disc 4.
[0031] Specifically, the inner bottom of the cap body 1 is provided with the movable port 103, the convex disc 404 is movably connected in the movable port 103, the convex disc 404 protrudes from the bottom of the cap body 1, when the high-pressure gas enters the elastic rubber sleeve 403 below the fixed disc 4, the area of the elastic rubber sleeve 403 is increased, and the convex disc 404 is pushed, so that when working, the pressure in the battery is prevented from being too large.
[0032] The operation process of the embodiment is as follows: when working, the glue outlet for gluing is aligned with the space between the fixing ring 101 and the limiting assembly 2 after the cap body 1 is moved to the appropriate position, the flexible sleeve 201 and the fixing ring 101 are matched to guide the glue outlet well, so that the battery cap is more convenient to coat adhesive.
[0033] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0034] The preferred embodiments disclosed above are only used to help describe the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific embodiments. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the entire scope and equivalents thereof.
Claims
1. A battery cap with convenient adhesive coating, comprising a cap body (1), a limiting assembly (2), an elastic ring (3) and a fixing disc (4), characterized in that: The inner bottom of the cap body (1) is fixed with a limiting assembly (2), the limiting assembly (2) comprises a flexible collar (201), the inner wall of the flexible collar (201) is fixed with an elastic ring (3), the inner wall upper portion of the elastic ring (3) is movably connected with a fixed disc (4), the bottom end edge of the fixed disc (4) is fixed with a flexible ring (402), the bottom end of the flexible ring (402) is fixed with an elastic rubber sleeve (403).
2. A battery cap with easy-to-apply adhesive according to claim 1, characterized in that: The inner wall of the cap body (1) is fixed with a fixed ring (101), the inner wall lower portion edge of the fixed ring (101) is fixed with a reinforcing ring (102), the bottom end of the reinforcing ring (102) is fixed on the inner wall of the cap body (1).
3. A battery cap with easy-to-apply adhesive according to claim 1, characterized in that: The limiting assembly (2) further comprises a connecting ring (202) and a bottom ring (203), the bottom end of the flexible collar (201) is fixed with the connecting ring (202), the bottom end of the connecting ring (202) is fixed with the bottom ring (203), and the bottom ring (203) is fixed on the inner bottom of the cap body (1).
4. The battery cap with convenient adhesive coating according to claim 1, characterized in that: The inside of the elastic ring (3) is hollow, and the bottom end of the elastic ring (3) is open.
5. The battery cap with convenient adhesive coating according to claim 1, wherein: A containing opening (401) is vertically and through set in the center of the fixed disc (4), the bottom end of the elastic rubber sleeve (403) is fixed with a convex disc (404), the flexible ring (402), the elastic rubber sleeve (403) and the convex disc (404) are movably connected in the elastic ring (3), and the fixed disc (4) is fixed on the upper portion of the inner wall of the elastic ring (3).
6. A battery cap with convenient adhesive coating according to claim 5, characterized in that: The inner bottom of the cap body (1) is through set with a movable opening (103), the convex disc (404) is through movably connected in the movable opening (103), and the convex disc (404) extends out of the bottom of the cap body (1).