Multi-position synchronous locking structure of lithium battery cover

By designing a multi-position synchronous locking structure and sealing mechanism for the lithium battery cover, the problems of inconvenient installation and poor sealing were solved, achieving convenient installation and efficient sealing, thus improving the installation convenience and safety of the lithium battery cover.

CN223566766UActive Publication Date: 2025-11-18RUISHENG NEW ENERGY TECH (GUANGDONG) CO LTD
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Patent Information

Application Number
CN202421582877.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-05
Publication Date
2025-11-18
Estimated Expiration
2034-07-05

AI Technical Summary

Technical Problem

Existing lithium battery covers are not easy to fix and lock simultaneously during installation, making the installation process cumbersome. Furthermore, the connection points are not easy to seal, which may lead to electrolyte leakage and safety risks.

Method used

A multi-position synchronous locking structure for lithium battery covers was designed, including a synchronous locking mechanism and a sealing mechanism. The battery and cover are synchronously locked through the cooperation of a support plate, a rotating shaft, a rotating plate, threaded holes and bolts. At the same time, a sealing ring is used to ensure the sealing of the connection.

Benefits of technology

It enables convenient installation and efficient sealing of lithium battery covers, avoiding the risks of excessive installation time and electrolyte leakage, and improving installation convenience and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of lithium battery covers, and discloses a lithium battery cover multi-position synchronous locking structure which comprises a cover plate, a synchronous locking mechanism is arranged on one side of the cover plate, a sealing mechanism is arranged in the cover plate, and a battery pack is movably connected in the cover plate. Through the arrangement of the synchronous locking mechanism, the effect of conveniently and synchronously fixing and locking the lithium battery and the cover plate can be achieved, in the using process, the cover plate covers the battery pack, the clamping rod is clamped in the clamping hole to be synchronously fixed, and then the cover plate is locked on the battery pack through the matching of the bolt and the threaded hole; according to the lithium battery cover provided by the invention, the situation that the lithium battery cover needs to be locked for a long time when the lithium battery cover is mounted because the lithium battery and the cover plate cannot be synchronously fixed and locked during mounting and the mounting process is relatively complicated can be avoided, and the convenience of mounting the lithium battery cover is ensured.
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Description

TECHNICAL FIELD

[0001] The utility model relates to lithium battery cover technical field, concretely is a kind of lithium battery cover multi-position synchronous locking structure. BACKGROUND

[0002] Lithium battery cover is an important component of lithium battery, it is usually located at the top of lithium battery, it plays the role of sealing battery, prevents electrolyte leakage and provides electrical connection etc.

[0003] Patent No. CN 214625292 U a kind of lithium battery end cover, it includes cover, detachably connected with the fixed plate of cover and the explosion-proof sheet connected to fixed plate, cover is equipped with first pressure relief hole, fixed plate is equipped with second pressure relief hole, explosion-proof sheet one end face covers first pressure relief hole, explosion-proof sheet other end face covers second pressure relief hole, the back of cover is equipped with stepped groove, explosion-proof sheet is placed in stepped groove, the back of cover is flush with the back of cover in the face of fixed plate away from explosion-proof sheet.This application has the effect of reducing replacement cost.The lithium battery cover solves the problem that when explosion-proof sheet is damaged in transportation, explosion-proof sheet and cover plate body need to be replaced together;

[0004] Although the above-mentioned utility model patent solves the problem that explosion-proof sheet and cover plate body need to be replaced together when explosion-proof sheet is damaged in transportation, most of the lithium battery covers currently used are not convenient to fix synchronously with the lithium battery during installation, and it is not convenient to lock the battery and the cover plate. If the lithium battery and the cover plate cannot be fixed and locked synchronously during installation, the installation process may be tedious, so it takes a long time to lock the lithium battery cover, making the fixing method of the lithium battery cover more tedious, and the installation convenience is poor, the practicality is not good, and it is not convenient to seal the connection between the battery and the cover plate. If the connection between the battery and the cover plate cannot be sealed during use, electrolyte leakage may occur, which not only affects the performance of the battery, but also may cause corrosion damage to the equipment, and even may cause short circuit, overheating, fire and explosion, etc. Serious safety problems, making the safety of the lithium battery cover. UTILITY MODEL CONTENTS

[0005] The utility model provides a kind of lithium battery cover multi-position synchronous locking structure, solve the problem of a kind of lithium battery cover multi-position synchronous locking structure in relevant technology.

[0006] The technical scheme of the utility model is as follows: a kind of lithium battery cover multi-position synchronous locking structure, including cover plate, the side of the cover plate is provided with synchronous locking mechanism, the inside of the cover plate is provided with sealing mechanism, the inside of the cover plate is movably connected with battery pack.

[0007] Further, the synchronous locking mechanism comprises support plates, the outer surfaces on both sides of the cover plate are fixed with a group of support plates, the group of support plates are two symmetrically arranged plate bodies, and rotating shafts are fixedly connected between each group of support plates, and rotating plates are rotatably connected to the outer walls of the rotating shafts.

[0008] Further, one side of the rotating plate is provided with a slot, one side of the battery pack is fixedly connected with a fixing rod, one end of the fixing rod is fixedly connected with a bearing, and one end of the bearing is movably connected with a mounting plate.

[0009] Further, the mounting plate is provided with a threaded hole on one side, and the threaded hole is provided with a bolt in a threaded manner, and the shape and size of the bolt are matched with the shape and size of the threaded hole.

[0010] Further, the bottom of the cover plate is fixedly connected with a fixing block, the top of the fixing block is provided with a clamping hole, the number of the clamping hole is two, and the two clamping holes are symmetrically arranged with the vertical center line of the fixing block as the axis of symmetry.

[0011] Further, one side of the battery pack is fixedly connected with a connecting plate, the number of the connecting plate is two, and the two connecting plates are symmetrically arranged with the vertical center line of the battery pack as the axis of symmetry, the top of the connecting plate is fixedly connected with a clamping rod, and the outer wall of the clamping rod is movably connected with a clamping hole.

[0012] Further, the sealing mechanism comprises a sealing ring, the inside of the cover plate is fixedly connected with a sealing ring, the number of the sealing ring is two, and the two sealing rings are symmetrically arranged with the vertical center line of the cover plate as the axis of symmetry.

[0013] The working principle and beneficial effects of the utility model are as follows:

[0014] 1、In the utility model, through the synchronous locking mechanism, the lithium battery and the cover plate can be fixed and locked synchronously, in the use process, the cover plate is covered on the battery pack, the clamping rod is clamped in the clamping hole, then the cover plate is locked on the battery pack through the cooperation of the bolt and the threaded hole, the lithium battery and the cover plate cannot be fixed and locked synchronously during installation, which may cause the installation process to be more complicated, so that the lithium battery cover needs to be locked for a long time, and the convenience of the lithium battery cover during installation is ensured.

[0015] 2. The utility model discloses a sealing mechanism is set up, can reach the sealing effect of the cover plate and the battery pack junction, in the use process, through the sealing ring of setting, make the battery pack and the cover plate junction seal, can avoid because unable to seal the battery and the cover plate junction, possibly lead to electrolyte leakage, not only can influence battery performance, also possibly cause corrosion damage to the equipment of using, even possibly can cause short circuit, overheat fire explosion etc. Serious safety problem, guarantee the security of the lithium battery cover when using. BRIEF DESCRIPTION OF DRAWINGS

[0016] The utility model makes further detailed explanation in combination with the specific embodiment and the drawing.

[0017] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0018] Figure 2 It is the synchronous locking mechanism structure schematic diagram of the utility model;

[0019] Figure 3 It is the fixed rod and battery pack connection structure schematic diagram of the utility model;

[0020] Figure 4 It is the connecting plate and card rod connection structure schematic diagram of the utility model;

[0021] Figure 5 It is the fixed block and card hole structure schematic diagram of the utility model;

[0022] Figure 6 It is the sealing mechanism structure schematic diagram of the utility model.

[0023] In the drawing:

[0024] 1, cover plate;

[0025] 2, synchronous locking mechanism, 201, support plate, 202, pivot, 203, turn plate, 204, slot hole, 205, fixed rod, 206, bearing, 207, mounting plate, 208, screw hole, 209, bolt, 210, fixed block, 211, card hole, 212, connecting plate, 213, card rod;

[0026] 3, sealing mechanism, 301, sealing ring;

[0027] 4, battery pack. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below in combination with 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 of the utility model, all other embodiments obtained by those skilled in the art without creative labor are involved in the protection scope of the utility model. Embodiment 1

[0029] As shown in Figure 1 and Figure 6 , a plurality of synchronous locking structures of a lithium battery cover include a cover plate 1, one side of the cover plate 1 is provided with a synchronous locking mechanism 2, the inside of the cover plate 1 is provided with a sealing mechanism 3, and the inside of the cover plate 1 is movably connected with a battery pack 4.

[0030] In the embodiment, when the cover plate 1 needs to be used, the cover plate 1 needs to be locked on the battery pack 4 first, the synchronous locking mechanism 2 is arranged to synchronously fix and lock, then the connection between the battery pack 4 and the cover plate 1 needs to be sealed, the sealing mechanism 3 is arranged to seal the connection between the battery pack 4 and the cover plate 1, so as to complete the work. Embodiment 2

[0031] As shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , based on the same concept as the above-mentioned embodiment 1, the embodiment further proposes a synchronous locking mechanism 2, the synchronous locking mechanism 2 includes a support plate 201, the outer surfaces of the two sides of the cover plate 1 are fixed with a group of support plates 201, the group of support plates 201 are two symmetrically arranged plate bodies, a shaft 202 is fixedly connected between each group of support plates 201, a rotating plate is rotatably connected to the outer wall of the shaft 202, a slot hole 204 is formed in one side of the rotating plate 203, a fixed rod 205 is fixedly connected to one side of the battery pack 4, a bearing 206 is fixedly connected to one end of the fixed rod 205, an installation plate 207 is movably connected to one end of the bearing 206, a threaded hole 208 is formed in one side of the installation plate 207 and one side of the rotating plate 203, a bolt 209 is threadedly connected to the inner wall of the threaded hole 208, the shape and size of the bolt 209 are matched with the shape and size of the threaded hole 208, a fixed block 210 is fixedly connected to the bottom of the cover plate 1, a clamping hole 211 is formed in the top of the fixed block 210, the number of the clamping holes 211 is two, and the two clamping holes 211 are symmetrically arranged with the vertical center line of the fixed block 210 as the axis of symmetry, a connecting plate 212 is fixedly connected to one side of the battery pack 4, the number of the connecting plates 212 is two, and the two connecting plates 212 are symmetrically arranged with the vertical center line of the battery pack 4 as the axis of symmetry, a clamping rod 213 is fixedly connected to the top of the connecting plate 212, and the outer wall of the clamping rod 213 is movably connected with the clamping hole 211.

[0032] In this embodiment, when the cover plate 1 is needed, first of all, the cover plate 1 needs to be locked on the battery pack 4, at this time, the clamping hole 211 on the fixed block 210 is aligned with the clamping rod 213, then the cover plate 1 is pressed down, the clamping rod 213 is inserted into the clamping hole 211, two clamping rods 213 are inserted into the clamping hole 211 on the fixed block 210 at the same time, thereby preliminarily synchronously fixing the cover plate 1, then the rotating plate 203 is moved, the rotating plate 203 can be moved by rotating on the outer wall of the rotating shaft 202, the slot hole 204 on the rotating plate 203 passes through the mounting plate 207, the rotating plate 203 is perpendicular to the ground at ninety degrees, then the bearing 206 on the fixed rod 205 is rotated, the mounting plate 207 is rotated at ninety degrees, the threaded hole 208 on the mounting plate 207 is aligned with the threaded hole 208 on the rotating plate 203, then the bolt 209 is rotated and inserted into the two threaded holes 208, thereby fixing the rotating plate 203 and the mounting plate 207 by the bolt 209, thereby locking the cover plate 1 above the battery pack 4, thereby completing the synchronous locking work.

[0033] As shown in Figure 1 and Figure 6 Based on the same concept as the above embodiment 1, the sealing mechanism 3 is also proposed in this embodiment, the sealing mechanism 3 includes a sealing ring 301, the inside of the cover plate 1 is fixedly connected with the sealing ring 301, the number of the sealing ring 301 is two, and the two sealing rings 301 are symmetrically arranged with the vertical center line of the cover plate 1 as the axis of symmetry.

[0034] In this embodiment, when the battery pack 4 and the cover plate 1 are needed to be connected, the sealing ring 301 is arranged, so that when the cover plate 1 is pressed down, the battery pack 4 can be clamped in the sealing ring 301, so that the connection is sealed, thereby completing the sealing work.

[0035] The working principle of the utility model is: when the cover plate 1 is needed, the cover plate 1 needs to be locked on the battery pack 4 first, the clamping hole 211 on the fixed block 210 is aligned with the clamping rod 213 at this time, then the cover plate 1 is pressed downwards, the clamping rod 213 is inserted into the clamping hole 211, two clamping rods 213 are inserted into the clamping hole 211 on the fixed block 210 at the same time, thereby the cover plate 1 is preliminarily fixed synchronously, then the rotating plate 203 is moved, the rotating plate 203 can be moved through the rotation of the rotating shaft 202 outer wall, the slot hole 204 on the rotating plate 203 is passed through the mounting plate 207, the rotating plate 203 is perpendicular to the ground by ninety degrees, then the bearing 206 on the fixed rod 205 is passed through, the mounting plate 207 is rotated, the threaded hole 208 on the mounting plate 207 is aligned with the threaded hole 208 on the rotating plate 203, then the bolt 209 is rotated and inserted into two threaded holes 208, thereby the bolt 209 fixes the rotating plate 203 and the mounting plate 207, thereby the cover plate 1 is locked above the battery pack 4, thereby the synchronous locking work is completed, then the battery pack 4 and the cover plate 1 connection place needs to be sealed, through the sealing ring 301 arranged, when the cover plate 1 is pressed downwards, the battery pack 4 can be clamped in the sealing ring 301, the connection place is sealed, thereby the sealing work is completed.

[0036] The above is only the preferred embodiment of the utility model, and does not limit the utility model, any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A multi-position synchronous locking structure of a lithium battery cover, characterized in that The utility model relates to a cover plate (1) is provided with synchronous locking mechanism (2) on one side, the inside of cover plate (1) is provided with sealing mechanism (3), the inside movable joint of cover plate (1) is provided with battery pack (4), synchronous locking mechanism (2) includes support plate (201), the outer surface of both sides of cover plate (1) is fixed with a group of support plate (201), a group of support plate (201) is two symmetrically arranged plate bodies, and the fixed joint of each group support plate (201) is connected with pivot (202), the outer wall of pivot (202) is rotatably connected with rotating plate (203), the one side of rotating plate (203) is provided with slot hole (204), and the one side of battery pack (4) is fixedly connected with fixed rod (205), and the one end of fixed rod (205) is fixedly connected with bearing (206), and the one end of bearing (206) is movably connected with mounting plate (207), and the one side of mounting plate (207) and the one side of rotating plate (203) are provided with threaded hole (208), and the inner wall of threaded hole (208) is threadedly connected with bolt (209), and the shape size of bolt (209) and threaded hole (208) are mutually matched, the bottom of cover plate (1) is fixedly connected with fixed block (210), the top of fixed block (210) is provided with clamping hole (211), the number of clamping hole (211) is two, and two clamping holes (211) are symmetrically arranged with the vertical midline of fixed block (210) as the axis of symmetry, the one side of battery pack (4) is fixedly connected with connecting plate (212), the number of connecting plate (212) is two, and two connecting plates (212) are symmetrically arranged with the vertical midline of battery pack (4) as the axis of symmetry, the top of connecting plate (212) is fixedly connected with clamping rod (213), and the outer wall of clamping rod (213) is movably connected with clamping hole (211).

2. The multi-position synchronous locking structure of a lithium battery cover according to claim 1, characterized in that: The sealing mechanism (3) includes a sealing ring (301), the inside of the cover plate (1) is fixedly connected with a sealing ring (301), the number of sealing ring (301) is two, and two sealing rings (301) are symmetrically arranged with the vertical midline of the cover plate (1) as the axis of symmetry.

Citation Information

Patent Citations

  • Lithium battery end cover

    CN214625292U