Clamp with quick-release structure for limiting expansion of battery cell

By using a quick-release structure design, combining an outer frame structure, an anti-expansion plate, and a magnetic blocking block, the problem of cumbersome operation of existing cell clamps is solved, enabling rapid installation and removal of batteries, improving efficiency, and enhancing battery safety and stability.

CN223451091UActive Publication Date: 2025-10-17FAW FUDI NEW ENERGY TECH CO LTD
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Patent Information

Application Number
CN202422828537.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-20
Publication Date
2025-10-17
Estimated Expiration
2034-11-20

AI Technical Summary

Technical Problem

Existing battery cell clamps are installed and removed using fixing bolts and nuts, which is cumbersome, resulting in low efficiency and wasted time and labor.

Method used

It adopts a quick-release structure, including an outer frame structure, an anti-expansion plate, a rotating rod, a limiting block, and a magnetic blocking block. It achieves quick installation and removal by fixing the battery with its own weight and magnetic adsorption. Combined with heat dissipation vents and heat dissipation plates, it can dissipate heat and prevent the battery from expanding.

Benefits of technology

It enables rapid battery installation and removal, improves operational efficiency, extends battery life, and enhances battery safety and stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a clamp with a quick release structure for limiting the expansion of a battery cell, which comprises an outer frame structure, the periphery of the inner side surface of the outer frame structure is provided with an anti-expansion plate, and the inner bottom end of the outer frame structure is provided with a heat dissipation plate. After a battery is placed in the outer frame structure, a second telescopic rod and a second spring are extruded downwards due to factors such as the gravity of the battery structure, stop blocks are rotated after the battery structure is installed, the stop blocks are located on the upper surface of the battery structure, and the four corners of the upper surface of the battery structure are clamped and fixed through the four stop blocks; meanwhile, the magnet material of the stop block is adsorbed on the upper surface of the battery structure, the battery structure is fixedly clamped, when the battery structure needs to be disassembled, only the stop block needs to be rotated to be away from the battery structure, the battery structure is ejected upwards by a second telescopic rod and a second spring at the lower end, and the disassembling process is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of electric core clamp, concretely relates to a clamp of fast -release structure restriction electric core expansion. BACKGROUND

[0002] Electric core expansion refers to the phenomenon that the volume of the battery increases due to internal chemical reaction and gas generation during the charging and discharging process, which may cause the deformation of the battery appearance, the increase of internal pressure, the performance decline and the safety hazard.

[0003] In the prior art, the clamp for limiting the expansion of the electric core is generally installed and disassembled by the fixed bolt and the nut, this fixing method is simple in structure and easy to realize, but in actual application, the disassembly process of the bolt is relatively cumbersome, and needs to be tightened or loosened one by one, so that the operation efficiency is not high during use, and a certain time and labor are wasted. UTILITY MODEL CONTENTS

[0004] The utility model wants to overcome the prior art defects, provides a clamp of fast -release structure restriction electric core expansion to solve the problem that the clamp for limiting the expansion of the electric core is generally installed and disassembled by the fixed bolt and the nut in the prior art, this fixing method is simple in structure and easy to realize, but in actual application, the disassembly process of the bolt is relatively cumbersome, and needs to be tightened or loosened one by one, so that the operation efficiency is not high during use, and a certain time and labor are wasted.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: a clamp of fast -release structure restriction electric core expansion, including the outer frame structure, the inner side surface all around of outer frame structure is equipped with the anti -expansion board, the inside bottom of outer frame structure is installed with the heat dissipation plate, the heat dissipation plate is provided with a plurality of, the upper surface of heat dissipation plate is fixedly connected with second telescopic link, the surface of second telescopic link is provided with second spring, the upper surface all around of outer frame structure is fixedly connected with the rotation rod, the upper surface of rotation rod is fixedly connected with the limit block, the side surface of rotation rod is rotatably connected with the blocking piece.

[0006] Preferably, the blocking piece is made of magnet material.

[0007] Preferably, the first telescopic link is arranged between the side surface of the anti-expansion plate and the inner side surface of the outer frame structure.

[0008] Preferably, the surface of the first telescopic link is provided with a first spring.

[0009] Preferably, the both side surfaces of the outer frame structure are provided with heat dissipation openings.

[0010] Preferably, the other two side surfaces of the frame structure and the two side surfaces of the anti-expansion plate are provided with wire grooves.

[0011] Preferably, the blocking block slides on the surface of the rotating rod.

[0012] Compared with the prior art, the utility model provides a clamp of fast -release structure limit electric core expansion has the following beneficial effects:

[0013] 1, the utility model discloses a blocking block and rotating rod, limit block and other structures are set up, after the battery is put into the frame structure inside, because the gravity of battery structure and other factors will second telescopic rod and second spring extrude downward, after battery structure installation is completed, rotates the blocking block, makes the blocking block be at the upper surface of battery structure, through four blocking blocks to the upper surface four corner position of battery structure is clamped fixed, the magnet material of blocking block is adsorbed on the upper surface of battery structure simultaneously, realizes the fixed clamping of battery structure, when needing to disassemble battery structure, only need to rotate the blocking block to be far from battery structure, battery structure is ejected upward by the second telescopic rod and second spring of lower end, realizes the disassembly process, effectively avoid in prior art, the clamp for limiting electric core expansion generally adopts the mode of fixed bolt and nut to install and disassemble, this kind of fixed method is simple in structure and easy to realize, but in practical application, because the dismounting process of bolt is more complicated, needs to be screwed or loosened one by one, leads to the operation efficiency when using is not high, and the problem of wasting certain time and labor is solved.

[0014] 2, the utility model discloses a heat dissipation opening and heat dissipation plate are set up, and after battery is loaded into the frame structure inside, can realize the heat dissipation of internal battery structure through the heat dissipation opening of side surface and the heat dissipation plate of lower end, guarantees the normal operation of battery structure when clamping installation.

[0015] 3, the utility model discloses a anti -expansion plate, after battery is installed in the frame structure's inside, through the anti -expansion plate close -fit in the side surface of battery, realizes the square expansion treatment to the surface of battery, can effectively control the expansion of battery in the process of charging and discharging, thereby improves the security and stability of battery, simultaneously, the design of close -fit battery side surface helps to prolong the service life of battery, and guarantees the normal operation of equipment. ACCURACY

[0016] The accompanying drawings are included to provide a further understanding of the present application and are incorporated in and constitute a part of this specification, illustrate embodiments of the present application and are used to explain the present application, and do not constitute a limitation on the present application, in the drawings:

[0017] Figure 1 The axonometric view is provided for the utility model;

[0018] Figure 2The three-dimensional schematic view provided by the utility model;

[0019] Figure 3 The three-dimensional schematic view provided by the utility model Figure 2 The enlarged view of A in the middle;

[0020] Figure 4 The three-dimensional schematic view of the bottom end structure provided by the utility model;

[0021] Figure 5 The three-dimensional schematic view of the heat dissipation plate provided by the utility model;

[0022] In the figure: 1, outer frame structure; 2, wire slot; 3, first telescopic rod; 4, first spring; 5, anti-expansion plate; 6, rotating rod; 7, limiting block; 8, blocking block; 9, heat dissipation opening; 10, heat dissipation plate; 11, second telescopic rod; 12, second spring. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Please refer to Figures 1-5The utility model provides a technical scheme: a clamp that fast -release structure limits electric core expansion, including outer frame structure 1, the inside surface all around of outer frame structure 1 is equipped with anti -expansion board 5, the inside bottom of outer frame structure 1 is equipped with heat dissipation board 10, the heat dissipation board 10 is equipped with several, the upper surface of heat dissipation board 10 is fixedly connected with second telescopic link 11, the surface of second telescopic link 11 is equipped with second spring 12, the upper surface all around of outer frame structure 1 is fixedly connected with rotary rod 6, the upper surface of rotary rod 6 is fixedly connected with limit stop 7, the side surface of rotary rod 6 is rotatably connected with blocking piece 8, by setting blocking piece 8 and rotary rod 6, limit stop 7 and other structures, after putting battery into the inside of outer frame structure 1, due to the self -gravity of battery structure and other factors, second telescopic link 11 and second spring 12 are extruded downward, after battery structure installation is completed, rotating blocking piece 8, makes blocking piece 8 be at the upper surface of battery structure, through the clamping and fixing of four blocking piece 8 to the upper surface four corners position of battery structure, the magnet material of blocking piece 8 is adsorbed on the upper surface of battery structure, realizes the fixed clamping of battery structure, when needing to disassemble battery structure, only need to rotate blocking piece 8 to be far from battery structure, battery structure is ejected upward by the second telescopic link 11 and second spring 12 of lower end, realizes the disassembly process, effectively avoid in the prior art, the clamp for limiting electric core expansion generally adopts the mode of fixed bolt and nut to install and disassemble, this kind of fixed method is simple in structure and easy to realize, but in practical application, due to the disassembly process of bolt is relatively tedious, needs to be screwed or loosened one by one, leads to the operation efficiency when using is not high, waste certain time and labor problem, through the setting anti -expansion board 5, after installing battery in the inside of outer frame structure 1, by anti -expansion board 5 close -fit in the side surface of battery, realize the square expansion treatment to the surface of battery, can effectively control the expansion of battery in the process of charge and discharge, to improve the safety and stability of battery, simultaneously, the design of close -fit battery side surface helps to prolong the service life of battery, and guarantees the normal operation of equipment.

[0025] In the utility model, preferably, the blocking piece 8 is made of magnet material.

[0026] In the utility model, preferably, a first telescopic link 3 is arranged between the side surface of the anti-expansion board 5 and the inside surface of the outer frame structure 1.

[0027] In the utility model, preferably, a first spring 4 is arranged on the surface of the first telescopic link 3.

[0028] The utility model discloses, preferably, both sides surfaces of the outer frame structure 1 are all through the heat dissipation opening 9 of setting, through setting heat dissipation opening 9 and heat dissipation plate 10, after battery is loaded into the inside of outer frame structure 1, can realize the heat dissipation of inside battery structure through the heat dissipation opening 9 of side surface and the heat dissipation plate 10 of lower extreme, has guaranteed the normal operation of battery structure when clamping installation.

[0029] The utility model discloses, preferably, both sides surfaces of the outer frame structure 1 are all through the heat dissipation opening 9 of setting, through setting heat dissipation opening 9 and heat dissipation plate 10, after battery is loaded into the inside of outer frame structure 1, can realize the heat dissipation of inside battery structure through the heat dissipation opening 9 of side surface and the heat dissipation plate 10 of lower extreme, has guaranteed the normal operation of battery structure when clamping installation.

[0030] The utility model discloses, preferably, both sides surfaces of the outer frame structure 1 are all through the heat dissipation opening 9 of setting, through setting heat dissipation opening 9 and heat dissipation plate 10, after battery is loaded into the inside of outer frame structure 1, can realize the heat dissipation of inside battery structure through the heat dissipation opening 9 of side surface and the heat dissipation plate 10 of lower extreme, has guaranteed the normal operation of battery structure when clamping installation.

[0031] The utility model discloses, preferably, both sides surfaces of the outer frame structure 1 are all through the heat dissipation opening 9 of setting, through setting heat dissipation opening 9 and heat dissipation plate 10, after battery is loaded into the inside of outer frame structure 1, can realize the heat dissipation of inside battery structure through the heat dissipation opening 9 of side surface and the heat dissipation plate 10 of lower extreme, has guaranteed the normal operation of battery structure when clamping installation.

[0032] Although the embodiments of the utility model have been shown and described, it can be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A quick-release fixture for limiting the expansion of a battery cell, comprising an outer frame structure (1), characterized in that: Anti-expansion plates (5) are installed around the inner surface of the outer frame structure (1), a heat dissipation plate (10) is installed at the inner bottom end of the outer frame structure (1), and a plurality of heat dissipation plates (10) are provided. The upper surface of the heat dissipation plate (10) is fixedly connected to a second telescopic rod (11), and the surface of the second telescopic rod (11) is provided with a second spring (12). The four corners of the upper surface of the outer frame structure (1) are fixedly connected to a rotating rod (6), the upper surface of the rotating rod (6) is fixedly connected to a limiting block (7), and the side surface of the rotating rod (6) is rotatably connected to a blocking block (8).

2. The quick-release fixture for limiting battery cell expansion according to claim 1, characterized in that: The blocking block (8) is made of magnet material.

3. The quick-release fixture for limiting battery cell expansion according to claim 1, characterized in that: A first telescopic rod (3) is provided between the side surface of the anti-expansion plate (5) and the inner surface of the outer frame structure (1).

4. The quick-release fixture for limiting battery cell expansion according to claim 3, characterized in that: A first spring (4) is provided on the surface of the first telescopic rod (3).

5. The fixture for limiting battery cell expansion with a quick-release structure according to claim 1, characterized in that: Heat dissipation openings (9) are provided through both side surfaces of the outer frame structure (1).

6. The fixture for limiting battery cell expansion with a quick-release structure according to claim 1, characterized in that: Wire grooves (2) are provided through the other two side surfaces of the outer frame structure (1) and the two side surfaces of the anti-expansion plate (5).

7. The fixture for limiting battery cell expansion with a quick-release structure according to claim 1, characterized in that: The blocking block (8) slides up and down on the surface of the rotating rod (6).