Dry battery of lithium battery cell

By employing a card slot and pressure block limiting structure in the lithium battery cell dry cell, the problem of inconvenient replacement after circuit board damage is solved, enabling convenient disassembly and replacement of the circuit board, and improving the stability and service life of the battery.

CN223858354UActive Publication Date: 2026-01-30DONGGUAN SHUNXIANG ENERGY TECH CO LTD
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Patent Information

Application Number
CN202520080119.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-14
Publication Date
2026-01-30
Estimated Expiration
2035-01-14

AI Technical Summary

Technical Problem

In traditional lithium-ion dry cell batteries, the circuit board is fixed inside the battery casing by screws, welding, etc., which makes it inconvenient to replace the circuit board if it is damaged.

Method used

The circuit board is inserted between the card slots and the pressure block to achieve the limiting structure, and the upper cover and the pressure block cooperate to achieve the limiting, which facilitates the disassembly and replacement of the circuit board.

Benefits of technology

It improves the ease of circuit board replacement and maintenance, reduces the risk of circuit boards loosening due to vibration or external force, ensures stable circuit connections, extends battery life, and enhances performance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a dry battery of a lithium battery cell, and relates to the technical field of dry batteries, the dry battery comprises a lower shell and an upper cover connected with the lower shell, two clamping seats are fixedly mounted on the inner wall of one side of the lower shell, a circuit board is inserted between the two clamping seats, a pressing block is fixedly arranged on the inner side of the upper cover, and the pressing block is fixedly connected with the lower shell. And one surface of the pressing block far away from the upper cover is contacted with the circuit board. According to the application, the clamping seats are arranged in the lower shell, the circuit board is inserted between the two clamping seats, and the circuit board is limited under the action of the upper cover and the pressing block, so that the circuit board can be taken out by opening the upper cover during disassembly, and the convenience of replacement or maintenance of the circuit board is greatly improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to dry battery technical field, specifically, relate to a dry battery of lithium battery electric core. BACKGROUND

[0002] In today's portable electronic equipment increasingly popular, lithium battery as the main energy supply source, its miniaturization, high efficiency characteristic is concerned, the traditional lithium battery electric core dry battery design, circuit board usually through screw, welding etc. Fixed in the battery shell, these fixed mode although stable, but there is the problem of inconvenient replacement after circuit board damage. Therefore we make improvement to this, put forward a kind of dry battery of lithium battery electric core. UTILITY MODEL CONTENTS

[0003] The utility model is directed at: the circuit board is usually fixed in the battery shell by screw, welding etc. at present, these fixed mode although stable, but there is the problem of inconvenient replacement after circuit board damage.

[0004] In order to realize the above-mentioned utility model purposes, the utility model provides a dry battery of lithium battery electric core to improve the above-mentioned problems.

[0005] The application is as follows:

[0006] A dry battery of lithium battery electric core, including lower shell and the upper cover connected with lower shell, the inner wall of one side of lower shell is fixedly installed with two clamping seats, two clamping seats are inserted with circuit board, the inner side of upper cover is fixedly provided with pressing block, the side away from upper cover of pressing block is in contact with circuit board.

[0007] As the preferred technical scheme of the application, the clamping seat cooperates with the pressing block to limit the circuit board.

[0008] As the preferred technical scheme of the application, two baffle plates are further fixedly connected on the inner wall of one side of lower shell, both baffle plates are connected with clamping seat, and the two baffle plates are located at the two sides of circuit board respectively.

[0009] As the preferred technical scheme of the application, the side away from upper cover of lower shell is provided with opening, the circuit board is connected with charging port, and one end of charging port passes through opening.

[0010] As the preferred technical scheme of the application, the inner wall of one side of lower shell is provided with recess, and the upper cover is inserted between the inner wall of recess and lower shell.

[0011] As the preferred technical scheme of the application, the inner wall of recess and lower shell between upper cover is connected with sealing glue.

[0012] The lithium battery cell main body is fixedly installed in the lower shell, is located at one side of the circuit board and is connected with the circuit board.

[0013] The negative and positive tabs are arranged on the outer surface of the upper cover and are respectively connected with the negative and positive poles of the lithium battery cell main body.

[0014] The edge corners of the lower shell and the upper cover are arc-shaped.

[0015] The outer surfaces of the lower shell and the upper cover are provided with an anti-ultraviolet coating.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] In the scheme of the application, the circuit board is fixedly installed in the lower shell through the two clamping bases, and the circuit board is connected with the two clamping bases.

[0018] In order to solve the problem that the circuit board is not convenient to replace after being damaged in the prior art, the application sets the clamping base in the lower shell, and the circuit board is inserted between the two clamping bases. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The structure schematic diagram of the dry battery of the lithium battery cell is provided in the application;

[0020] Figure 2 The partial cross-sectional structure schematic diagram of the lower shell of the dry battery of the lithium battery cell is provided in the application;

[0021] Figure 3 The explosion view of the dry battery of the lithium battery cell is provided in the application;

[0022] Figure 4 The bottom view structure schematic diagram of the dry battery of the lithium battery cell is provided in the application;

[0023] Figure 5 The cross-sectional structure schematic diagram of the lower shell of the dry battery of the lithium battery cell is provided in the application;

[0024] Figure 6 The formal structure schematic diagram of the dry battery of the lithium battery cell is provided in the application; Figure 5

[0025] Figure 7 ​The structure diagram of the card seat and the baffle of the dry battery of the lithium battery cell is provided.

[0026] The figure indicates:

[0027] 1, lower shell; 101, upper cover; 102, opening; 103, groove; 104, pressing block; 2, card seat; 201, baffle; 3, circuit board; 301, charging port; 4, lithium battery cell body; 401, negative tab; 402, positive tab. DETAILED DESCRIPTION

[0028] In order to make the person skilled in the art better understand the technical scheme of the present application, the technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by the person skilled in the art without creative labor shall belong to the scope of protection of the present application.

[0029] As described in the background, in today's increasingly popular portable electronic devices, lithium batteries as the main energy supply source, its miniaturization, high efficiency characteristics are concerned, the traditional lithium battery cell dry battery design, the circuit board is usually fixed in the battery shell by screw, welding and other ways, although these fixed way is stable, but there is a problem of not convenient to replace after the circuit board is damaged.

[0030] In order to solve this technical problem, the present application provides a kind of dry battery of lithium battery cell.

[0031] Specifically, please refer to Figures 1-7 , the dry battery of lithium battery cell specifically includes:

[0032] Lower shell 1 and the upper cover 101 connected with lower shell 1, the inner wall of one side of lower shell 1 is fixedly installed with two card seats 2, and the circuit board 3 is inserted between the two card seats 2, the inner side of upper cover 101 is fixedly provided with pressing block 104, and the side away from upper cover 101 of pressing block 104 is in contact with circuit board 3.

[0033] The dry battery of lithium battery cell provided by the present application is provided with card seat 2 in lower shell 1, and circuit board 3 is inserted between two card seats 2, and circuit board 3 is limited under the action of upper cover 101 and pressing block 104, so that circuit board 3 can be taken out by opening upper cover 101 when disassembling, which greatly improves the convenience of replacing or repairing circuit board 3.

[0034] In order to make the person skilled in the art better understand the technical scheme of the present application, the technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application.

[0035] It should be noted that the embodiments in the utility model and the features and technical solutions in the embodiments can be combined with each other without conflict.

[0036] It should be noted that: similar signs and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0037] Embodiment 1, please refer to Figures 1-7 A dry battery of a lithium battery cell, comprising a lower shell 1 and an upper cover 101 connected with the lower shell 1, two clamping seats 2 are fixedly installed at the inner wall of one side of the lower shell 1, a circuit board 3 is inserted between the two clamping seats 2, a pressing block 104 is fixedly arranged in the inner side of the upper cover 101, and the side of the pressing block 104 away from the upper cover 101 is in contact with the circuit board 3; by arranging the clamping seat 2 in the lower shell 1 and inserting the circuit board 3 between the two clamping seats 2, and the circuit board 3 is limited under the action of the upper cover 101 and the pressing block 104, so that the circuit board 3 can be taken out by opening the upper cover 101 when disassembling, greatly improving the convenience of replacing or repairing the circuit board 3.

[0038] Further, the clamping seat 2 cooperates with the pressing block 104 to limit the circuit board 3, and the pressing block 104 can directly abut against the circuit board 3, effectively reducing the loosening of the circuit board 3 due to vibration or external force, ensuring the stability of the circuit connection, prolonging the service life of the battery, and improving the performance of the battery.

[0039] Embodiment 2, the dry battery of the lithium battery cell provided in embodiment 1 is further optimized, specifically, as shown in Figures 5-7 The inner wall of one side of the lower shell 1 is also fixedly connected with two baffles 201, the two baffles 201 are connected with the clamping seat 2, and the two baffles 201 are located on both sides of the circuit board 3 respectively, and the baffles 201 can further limit the circuit board 3, further improving the stability of the circuit board 3.

[0040] Further, as shown in Figure 5 And Figure 7 An opening 102 is formed in the side of the lower shell 1 away from the upper cover 101, a charging port 301 is connected on the circuit board 3, one end of the charging port 301 penetrates through the opening 102, and the charging port 301 is used for cooperating with the existing charger to charge the lithium battery cell main body 4.

[0041] Further, as shown in Figures 5-7 A recess 103 is formed in the inner wall of the side of the lower shell 1 close to the upper cover 101, the upper cover 101 is inserted between the inner wall of the lower shell 1 and the recess 103, and the recess 103 provides space for the setting of the sealing glue.

[0042] Further, the upper cover 101 is connected with the groove 103 and the inner wall of the lower shell 1 by sealing glue, the sealing glue can improve the sealing performance of the connection between the upper cover 101, the groove 103 and the lower shell 1, and the sealing glue is heat-reversible polyurethane glue, which maintains high adhesive strength at normal ambient temperature, and when it is necessary to disassemble the components, the heat-reversible polyurethane glue can be softened by heating, and the adhesion is reduced, so that the upper cover 101 and the lower shell 1 are disassembled.

[0043] In the embodiment 3, the dry battery provided by the lithium battery cell in the embodiment 1 or 2 is further optimized, and specifically, as shown in the figure, Figure 2 The lithium battery cell body 4 is fixedly installed in the lower shell 1, is located on one side of the circuit board 3 and is connected with the circuit board 3, is protected by the lower shell 1 and the upper cover 101 during use, and can reduce damage caused by adverse effects of the external environment, and a gap is reserved between the lithium battery cell body 4 and the upper cover 101, so that heat transfer to the lithium battery cell body 4 can be reduced when the sealing glue is heated.

[0044] Further, the outer surface of the upper cover 101 is provided with a negative electrode lug 401 and a positive electrode lug 402, and the negative electrode lug 401 and the positive electrode lug 402 are connected with the negative electrode and the positive electrode of the lithium battery cell body 4 respectively, so that the lithium battery cell body 4 can be connected with the power consumption component, and the power supply of the lithium battery cell body 4 to the power consumption component is realized.

[0045] Further, the corners of the lower shell 1 and the upper cover 101 are arc-shaped, so that the corners are more smooth, the operation personnel or surrounding objects are less likely to be scratched during carrying and installation, and the use safety is improved.

[0046] Further, the outer surfaces of the lower shell 1 and the upper cover 101 are provided with an anti-ultraviolet coating, the anti-ultraviolet coating can be an organic silicon modified acrylate coating, can effectively resist the erosion of ultraviolet rays on the lower shell 1 and the upper cover 101, prolong the service life of the lower shell 1 and the upper cover 101, and further protect the overall performance stability of the battery.

[0047] In the utility model, unless another definite provision and limitation, the terms "mount", "connect", "connect", "fix" and so on should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electric connection or each other can communicate;Can be directly connected, also can be indirectly connected through the intermediate medium, can be the communication or the interaction relationship of two elements of two elements, unless another definite limitation. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0048] Obviously, the above-described embodiments are only a part of the embodiments of the present application, rather than all the embodiments, and the preferred embodiments of the present application are given in the drawings, but do not limit the patent scope of the present application. The present application can be realized in many different forms, and conversely, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing specific embodiments, or equivalently replace some of the technical features. Any equivalent structure made by using the content of the present application specification and drawings, directly or indirectly used in other related technical fields, is also within the patent protection scope of the present application.

Claims

1. A dry battery of a lithium battery cell, characterized by, Including lower shell (1) and the upper cover (101) connected with lower shell (1), the inner wall of one side of lower shell (1) is fixedly installed with two clamping seats (2), two clamping seats (2) are inserted with circuit board (3) between, the inner side of upper cover (101) is fixedly provided with pressing block (104), the side away from upper cover (101) of pressing block (104) is in contact with circuit board (3); The clamping seat (2) is matched with the pressing block (104) for the limiting of the circuit board (3); The inner wall of one side of lower shell (1) is also fixedly connected with two baffles (201), two baffles (201) are connected with clamping seat (2), and two baffles (201) are located on both sides of circuit board (3) respectively; The side away from upper cover (101) of lower shell (1) is provided with opening (102), the circuit board (3) is connected with charging port (301), one end of charging port (301) passes through opening (102); The inner wall of one side of lower shell (1) is provided with recess (103), the upper cover (101) is inserted between the inner wall of lower shell (1) and recess (103); The inner wall between upper cover (101) and recess (103) and lower shell (1) is connected with sealing glue; The inner wall of one side of lower shell (1) is provided with recess (103), the upper cover (101) is inserted between the inner wall of lower shell (1) and recess (103); The outer surface of upper cover (101) is provided with negative tab (401) and positive tab (402), negative tab (401) and positive tab (402) are connected with negative and positive of lithium battery core body (4) respectively; The edge of lower shell (1) and upper cover (101) is arc-shaped; The outer surface of lower shell (1) and upper cover (101) is provided with anti-ultraviolet coating. The outer surface of lower shell (1) and upper cover (101) is provided with anti-ultraviolet coating.