Flat tubular positive plate for lead-acid storage battery
By setting support plates and abutment plates at both ends of the separator, combined with a U-shaped structure and reinforcing ribs, the problem of material overflow under external pressure of flat tubular positive electrode plates is solved, achieving more stable sealing and structural stability, and extending the battery's service life and safety.
Patent Information
- Application Number
- CN202423012483.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-06
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-12-06
AI Technical Summary
When the existing flat tubular positive electrode plate is subjected to external pressure, the separator is prone to break open the sleeve, causing material to spill out, which affects the stability of use and environmental safety.
Support plates and abutment plates are installed at both ends of the partition. The support plates fit tightly with the sleeve, and the abutment plates are distributed in parallel to enhance the structural stability. The U-shaped structure and arc section provide protection, and the connection is strengthened by the combination of mesh support ribs and reinforcing ribs.
It effectively prevents material spillage, increases the structural robustness of the positive electrode plate, improves service life and safety, reduces internal resistance, and extends battery life.
Smart Images

Figure CN223638376U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a lead -acid battery, in particular to flat tube type positive plate for lead -acid battery. BACKGROUND
[0002] Lead -acid battery is a kind of secondary battery by lead, lead dioxide and other chemical substances charge-discharge. It is one of early battery forms, is widely used in the field such as automobile, energy storage system and standby power. Flat tube type positive plate is generally a kind of positive material structure used in lithium ion battery. It adopts tubular design, can more effectively improve the capacity and power of battery, reduce the volume and weight of battery at the same time, is one of current research hotspots of lithium battery positive material in China. Among them, lead -acid battery is usually composed of positive plate, negative plate, diaphragm and battery shell. Positive plate is mainly composed of lead dioxide and additive, negative plate is mainly composed of lead, diaphragm is microporous, can separate positive and negative plate to prevent short circuit, and battery shell plays the role of preserving electrolyte and fixing electrode plate.
[0003] At present, the cross section of flat tube type positive plate is oval or rectangular, is fitted with the position of sleeve in positive plate by baffle, can be loaded with lead dioxide and additive between sleeve and baffle, seals the upper and lower ends of sleeve, realizes the close combination of sleeve and baffle. While the existing positive plate increases the close of baffle and material, when lead -acid battery is extruded by larger external force, baffle will prop open sleeve, sleeve is damaged, material in sleeve spills, affects the use of positive plate, and harms the environment. Based on the above reasons, it is necessary to design a kind of flat tube type positive plate which can increase the structural firmness of positive plate and avoid material overflow in positive plate. UTILITY MODEL CONTENTS
[0004] In view of the above problems existing in the prior art, the utility model aims at providing flat tube type positive plate for lead -acid battery, which realizes more stable sealing treatment of the material in the positive plate, increases the structural firmness of the positive plate and avoids material overflow in the positive plate.
[0005] To achieve the above object, the technical scheme of the utility model is as follows:
[0006] The flat tube type positive plate for lead -acid battery comprises a positive plate main body arranged in a battery main body, the positive plate main body comprises a sleeve and a baffle arranged in the sleeve, both ends of the baffle are provided with a support plate matched with the sleeve, two resisting plates are clamped between the two support plates, and the two resisting plates are parallel to the two sides of the baffle, for reinforcing the structure of the positive plate and preventing material overflow.
[0007] As a preferred, the support plate is in U-shaped structure, and the two support plates are in bracket-shaped structure in the sleeve.
[0008] Preferably, the two ends of the support plate are provided with arc-shaped parts, and the ends of the arc-shaped parts are provided with lead-in corners.
[0009] Preferably, the support plate is located at the inner side of the arc-shaped part, and the width of the support plate is the same as the width of the partition plate.
[0010] Preferably, the middle part of the support plate is provided with a plurality of support ribs, and the plurality of support ribs are connected in a mesh structure.
[0011] Preferably, the two ends of the sleeve are provided with reinforcing ribs, and the periphery of the reinforcing ribs is a lead-in corner structure.
[0012] Compared with the prior art, the flat tube type positive plate for lead-acid storage batteries provided by the utility model can more stably seal the materials in the positive plate, and the structural firmness of the positive plate is increased. Specifically, by using the support plate between the partition plate and the sleeve, the contact area of the partition plate and the support plate can be increased, and the support pressure of the partition plate and the sleeve can be reduced. By arranging the U-shaped structure arc-shaped part of the support plate, the side of the positive plate can be protected. By arranging the lead-in corners at the upper and lower ends of the arc-shaped part, the upper and lower sides of the positive plate can be protected and supported, so that the damage of the partition plate to the sleeve when the positive plate is pressed can be avoided, the application stability of the materials in the positive plate is improved, the structural firmness of the positive plate is increased, and the recycling of the positive plate is facilitated.
[0013] Furthermore, by arranging the support plate and the partition plate, the structural stability of the positive plate can be increased. By arranging the mesh structure formed by the plurality of support ribs in the middle part of the support plate, the connection firmness between the materials and the partition plate and the sleeve can be increased, the resistance value of the positive plate can be reduced, and the structural stability of the positive plate can be increased by arranging the reinforcing ribs in the sleeve, so that the damage of the structure can be avoided, the service life is prolonged, and the use safety is improved.
[0014] It should be understood that the general description and detailed description herein are only exemplary and illustrative, but not for limiting the disclosure.
[0015] The present application provides a general description of the technology described in the disclosure, and is not a comprehensive disclosure of all features or all aspects of the disclosed technology. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is the overall structure schematic view of the flat tube type positive plate for lead-acid storage batteries of the utility model;
[0017] Figure 2 It is the partial structure schematic view of the flat tube type positive plate for lead-acid storage batteries in the main body of the storage battery of the utility model;
[0018] It is the overall structure schematic view of the flat tube type positive plate for lead-acid storage batteries of the utility model;Figure 3 It is the structure explosion map of sleeve and baffle of flat tube type positive plate for lead-acid storage battery of the utility model;
[0019] Figure 4 It is the structure explosion map of positive plate of flat tube type positive plate for lead-acid storage battery of the utility model;
[0020] Figure 5 It is the local structure enlarged view of baffle and support plate of flat tube type positive plate for lead-acid storage battery of the utility model;
[0021] Figure 6 It is the local structure enlarged view of sleeve of flat tube type positive plate for lead-acid storage battery of the utility model.
[0022] Main figure mark:
[0023] 1, battery main body;2, positive plate main body;21, sleeve;22, baffle;221, support plate;222, arc-shaped part;223, guide angle part;23, stop plate;231, support rib;24, reinforcing rib. Specific implementation
[0024] In order to make the purpose, technical scheme and advantage of the embodiment of the present disclosure clearer, the embodiment of the present disclosure is described in more detail below with reference to the drawings. Note: the described embodiment is part of the embodiment of the present disclosure, not all embodiments. Based on the described embodiment of the present disclosure, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present disclosure.
[0025] As shown in the accompanying Figure 1 To the accompanying Figure 3 The embodiment of the utility model provides flat tube type positive plate for lead-acid storage battery, in the production of existing lead-acid storage battery, the positive plate is composed of sleeve 21 and baffle, the baffle is located in the sleeve, the both ends of the sleeve are sealed by using the sheath, then the interval formed between the baffle and the sleeve is added with the material of lead-acid battery, so as to realize the production of the positive plate. In order to improve the damage of the baffle to the sleeve 21 in the use of the existing positive plate, the support plate can be arranged at both ends of the baffle, and the support plate is closely combined with the sleeve, and then the two stop plates are clamped on both sides of the baffle 22 between the two support plates 221, and the two stop plates are parallelly distributed with the baffle, through the cooperation of the baffle, the support plate and the stop plate, the structure of the positive plate can be reinforced, the connection firmness of the material and the positive plate is increased, the material overflow is prevented, the service life and utilization rate of the lead-acid battery are improved.
[0026] In some embodiments, as Figure 5As shown, the support plate 221 can be arranged in a U-shaped structure, and the two support plates are arranged in a bracket-shaped structure in the sleeve 21, so that the two support plates can be in contact with the sleeve in a larger area, reducing the contact pressure between the support plate and the sleeve, increasing the contact area between the baffle and the sleeve, preventing the baffle from piercing the sleeve to cause material leakage, increasing the structural stability of the positive plate, and prolonging the service life of the positive plate.
[0027] Further, the two ends of the support plate 221 can be provided with arc-shaped parts to reduce the sharp corner structure of the edge of the support plate, prevent the impact damage of the side edge of the sleeve, and realize the structural protection of the sleeve; then, the end of the arc-shaped part is provided with a guide angle part, so that the upper and lower ends of the support plate can be smooth structure, reducing the sharp corner structure of the upper and lower ends of the support plate, preventing the baffle from piercing the upper and lower sheaths of the battery, prolonging the service life of the sleeve, and further improving the use effect of the positive plate.
[0028] As shown in Figure 4 and 5 shown, in order to increase the connection firmness between the two support plates, the stop plate is clamped between the support plates when used, the stop plate is located on the inner side of the arc-shaped part of the support plate, the width of the stop plate is the same size as the width of the baffle, and the arc-shaped part on both sides is used. When the stop plate is applied to the positive plate, it can be clamped between the two support plates 221 to support the structure of the two ends of the sleeve 21, prevent the extrusion damage of the side edge of the positive plate, increase the hardness of the positive plate, and improve the structural stability of the positive plate.
[0029] In some embodiments, the stop plate can be provided as a hollow mesh structure, which facilitates the material to pass through the stop plate and adhere to the sleeve, increases the connection firmness between the material in the positive plate and the baffle and the sleeve, and a plurality of support ribs 231 connected by mesh structure can be arranged in the middle of the stop plate. The structure formed by the plurality of support ribs 231 can facilitate the material to pass through the stop plate and enter between the stop plate and the sleeve, so that the material between the baffle and the stop plate is tightly attached to the sleeve, reduces the internal resistance of the positive plate, and prevents the separation of the sleeve and the baffle from the raw material.
[0030] In some embodiments, in order to further increase the structural firmness of the positive plate, as shown in Figure 6 , a reinforcing rib 24 can be arranged at both ends of the sleeve, so that the reinforcing rib 24 penetrates into the inside of the sleeve 21, and then the reinforcing rib 24 is arranged as a guide angle structure around the reinforcing rib 24, increasing the smoothness of the outer side of the structure, making it more suitable for use in the sleeve, preventing the structure of the positive plate from being damaged; then, the reinforcing rib can be made of an insulating non-metallic material with a hardness greater than that of the baffle, such as glass fiber, bamboo fiber, etc., so as to increase the structural hardness of the positive plate while reducing the resistance value of the positive plate, and improve the utilization rate of the positive plate.
[0031] Of course, the above is the preferred embodiment of the present application, it should be pointed out that, for those skilled in the ordinary technical personnel in this field, without departing from the principles of the present application, under the premise of, can also make a number of improvements and refinements, these improvements and refinements also as the protection scope of the present application.
Claims
1. Flat tube type positive plate for lead-acid battery, comprising a positive plate body (2) arranged in a battery main body (1), the positive plate body (2) comprising a sleeve (21) and a separator (22) arranged in the sleeve (21), characterized in that: Both ends of the separator (22) are provided with a support plate (221) abutting with the sleeve (21), two abutting plates (23) are arranged between the two support plates (221), and the two abutting plates (23) are parallel to the two sides of the separator (22), which is used for reinforcing the positive plate structure and preventing material overflow.
2. The flat tubular positive plate for lead acid batteries as recited in claim 1, characterized by, The support plate (221) is in a U-shaped structure, and the two support plates (221) are in a bracket-shaped structure in the sleeve (21).
3. The flat tubular positive plate for lead acid batteries as recited in claim 2, characterized by, Both ends of the support plate (221) are provided with an arc-shaped part (222), and the end of the arc-shaped part (222) is provided with a guide angle part (223).
4. The flat tubular positive plate for lead acid batteries as recited in claim 1, characterized by, The abutting plate (23) is located on the inner side of the arc-shaped part (222), and the width of the abutting plate (23) is the same as the width of the separator (22).
5. The flat tubular positive plate for lead acid batteries as set forth in claim 4, characterized in that, The middle part of the abutting plate (23) is provided with a plurality of supporting ribs (231), and the plurality of supporting ribs (231) are connected in a mesh structure.
6. The flat tubular positive plate for lead acid batteries as set forth in claim 1, characterized by Both ends of the sleeve (21) are provided with a reinforcing rib (24), and the periphery of the reinforcing rib (24) is a guide angle structure.