CN218300034U

CN218300034U - Lithium battery protection device

Info

Publication number: CN218300034U
Application number: CN202222371197.2U
Authority: CN
Inventors: 陈雪脂
Original assignee: Individual
Current assignee: Dongguan Lineng Electronic Technology Co ltd
Priority date: 2022-09-07
Filing date: 2022-09-07
Publication date: 2023-01-13
Anticipated expiration: 2032-09-07

Abstract

The utility model provides a lithium battery protection device relates to lithium battery technology field, which comprises a housin, the inner wall fixedly connected with fixing base of casing, spout and screw hole have been seted up at the top of fixing base, the inside sliding connection of spout has the slider, one side fixedly connected with connecting block of slider, one side fixedly connected with fixed column of connecting block, the thread groove has been seted up to the inside of fixed column, the inside threaded connection of thread groove has the regulating block. The utility model has the advantages of: protect the lithium cell through splint and pressure spring cooperation, when changing the pressure spring, twist and move fixing bolt and take off the fixed plate from the fixing base, take out the slider in the spout on the fixing base, and then change the pressure spring in the fixed column, after taking out the slider, twist and move the turning block, the turning block drives the loop bar and rotates in spacing cover, and then drives the slide bar at the fixed column internal rotation, along with the motion change compression degree of pressure spring of regulating block, and then the centre gripping effect of change splint.

Description

Lithium battery protection device

Technical Field

The utility model relates to a lithium cell technical field, in particular to lithium cell protection device.

Background

The lithium battery is a battery which uses lithium metal or lithium alloy as a positive/negative electrode material and uses a non-aqueous electrolyte solution, and the lithium metal has very high requirements on the environment due to the very active chemical characteristics of the lithium metal, so that the lithium metal is processed, stored and used.

In chinese patent CN217035819U, a lithium battery protection device is disclosed, which, by providing a casing for protecting the lithium battery and an elastic mechanism inside the casing, prevents the lithium battery from collision during use, and performs a certain high temperature heat dissipation treatment to reduce its temperature, thereby ensuring its safety, but the lithium battery protection device, while solving the problems, has the following disadvantages:

this lithium battery protection device protects the lithium cell through the cooperation of splint and second spring, and elasticity can descend after the overlength of second spring live time, and the mount is fixed inconvenient second spring of changing in the casing, and the structure is unreasonable.

SUMMERY OF THE UTILITY MODEL

The purpose of the present invention is to solve at least one of the technical drawbacks.

Therefore, an object of the present invention is to provide a lithium battery protection device to solve the above mentioned problems in the background art and overcome the disadvantages in the prior art.

In order to realize the above object, an embodiment of the utility model provides a lithium battery protection device, which comprises a housin, the inner wall fixedly connected with fixing base of casing, spout and screw hole have been seted up at the top of fixing base, the inside sliding connection of spout has the slider, one side fixedly connected with connecting block of slider, one side fixedly connected with fixed column of connecting block, the thread groove has been seted up to the inside of fixed column, the inside threaded connection of thread groove has the regulating block, one side fixedly connected with slide bar of regulating block, the surface sliding connection of slide bar has the loop bar, one side fixedly connected with turning block of loop bar, the surface rotation of loop bar is connected with the stop collar, one side fixedly connected with splint of stop collar, the inside threaded connection of screw hole has fixing bolt, fixing bolt's surface has cup jointed the fixed plate, one side of regulating block is provided with the pressure spring.

Preferably by any one of the above schemes, the inside of casing is provided with the spring, the top fixedly connected with of spring accepts the board, the top overlap joint of accepting the board has the lithium cell, it cushions the lithium cell with the spring cooperation to accept the board.

Preferably, in any of the above solutions, the inside of the sliding groove is slidably connected with a stabilizing block, the top of the stabilizing block is fixedly connected with the bottom of the fixing plate, and the fixing plate is inserted into the sliding groove through the stabilizing block for fixing.

By any of the above schemes, preferably, the top of the sliding block is attached to the bottom of the stabilizing block, and the stabilizing block fixes the sliding block and further fixes the extrusion device.

The preferable of any scheme is that the outer fixed surface of the slide bar is connected with a limiting block, the inner wall of the loop bar is provided with a limiting groove, the outer surface of the limiting block is attached to the inner wall of the limiting groove, and the limiting block and the limiting groove are matched to drive the slide bar to rotate.

Preferably, according to any one of the above schemes, an adjusting groove is formed in one side of the clamping plate, one side of the adjusting groove is attached to one side of the rotating block, and the rotating block rotates in the adjusting groove to drive the sliding rod to rotate.

Compared with the prior art, the utility model has the advantages and beneficial effects do:

1. this lithium battery protection device protects the lithium cell through splint and pressure spring cooperation, when changing the pressure spring, twists and moves fixing bolt and take off the fixed plate from the fixing base, takes out the slider in the spout on the fixing base, and then changes the pressure spring in the fixed column, fixes the slider through the fixed plate, then takes out the fixed column in the casing when needing and carries out the change of pressure spring, rational in infrastructure.

2. This lithium battery protection device takes out the slider after, twists and moves the turning block, and the turning block drives the loop bar and rotates in the stop collar, and then drives the slide bar at the fixed column internal rotation, and the slide bar drives the regulating block and removes in the fixed column this moment, along with the motion of regulating block changes the compression degree of pressure spring, and then changes the centre gripping effect of splint, changes the centre gripping effect of splint to the lithium cell through the turning block, increases the device practicality.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of a clamping device according to an embodiment of the present invention;

fig. 2 is a schematic exploded view of a clamping device according to an embodiment of the present invention;

fig. 3 is a schematic sectional structural view of a clamping device according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of the whole device according to the embodiment of the present invention.

Wherein: 1. the device comprises a shell, 2, a fixed seat, 3, a sliding groove, 4, a threaded hole, 5, a sliding block, 6, a connecting block, 7, a fixed column, 8, a threaded groove, 9, an adjusting block, 10, a sliding rod, 11, a loop bar, 12, a rotating block, 13, a limiting sleeve, 14, a clamping plate, 15, a fixing bolt, 16, a fixed plate, 17, a pressure spring, 18, a spring, 19, a bearing plate, 20, a lithium battery, 21, a stabilizing block, 22, a limiting block, 23, a limiting groove, 24 and an adjusting groove.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The first embodiment is as follows:

as shown in fig. 1-4, a lithium battery protection device of this embodiment, including casing 1, casing 1 protects and installs lithium battery 20, the inner wall fixedly connected with fixing base 2 of casing 1, fixing base 2 is used for supporting and adding the holding device, spout 3 and screw hole 4 have been seted up at the top of fixing base 2, the inside sliding connection of spout 3 has slider 5, slider 5 slides in spout 3 and conveniently takes out connecting block 6, one side fixedly connected with connecting block 6 of slider 5, one side fixedly connected with fixed column 7 of connecting block 6, connecting block 6 drives fixed column 7 and moves on fixing base 2, thread groove 8 has been seted up to the inside of fixed column 7, the inside threaded connection of thread groove 8 has regulating block 9, regulating block 9 changes the elasticity of pressure spring 17 at thread groove 8 internal rotation, one side fixedly connected with slide bar 10 of regulating block 9, the surface sliding connection of slide bar 10 has loop bar 11, slide bar 10 and loop bar 11 cooperate and stretch out and draw back along with the removal of regulating block 9, one side fixedly connected with turning block 12 of loop bar 11, the surface rotation of loop bar 11 is connected with stop collar 13, stop collar 13 carries out and put forward the safety bolt 15 that the fixed plate 16 of lithium battery 20 is fixed on the fixed plate 15, the fixed plate of fixing block 15, the fixed plate is fixed with the safety bolt 15 of lithium battery on one side of the fixed block 17.

The inside of casing 1 is provided with spring 18, and the top fixedly connected with of spring 18 accepts board 19, and the top of accepting board 19 overlap joint has lithium cell 20, accepts board 19 and spring 18 cooperation and cushions lithium cell 20 and ensure lithium cell 20's safety.

The inside sliding connection of spout 3 has a steady piece 21, and the top of steady piece 21 and the bottom fixed connection of fixed plate 16, fixed plate 16 insert through steady piece 21 and carry out the stability of fixed guarantee connecting block 6 in spout 3 and rock when preventing centre gripping lithium cell 20.

The top of slider 5 and the bottom laminating of stabilizing block 21, stabilizing block 21 fixes slider 5 and then fixed extrusion device guarantee to lithium cell 20's centre gripping effect.

The outer fixed surface of slide bar 10 is connected with stopper 22, and spacing groove 23 has been seted up to the inner wall of loop bar 11, and stopper 22's surface and the inner wall laminating of spacing groove 23, stopper 22 and spacing groove 23 cooperation drive slide bar 10 and rotate and then drive regulating block 9 and rotate extrusion pressure spring 17.

An adjusting groove 24 is formed in one side of the clamping plate 14, one side of the adjusting groove 24 is attached to one side of the rotating block 12, and the rotating block 12 rotates in the adjusting groove 24 to drive the sliding rod 10 to rotate so as to change the position of the adjusting block 9.

The lithium battery protection device of the embodiment has the following working principle:

at first put into casing 1 with lithium cell 20, lithium cell 20's bottom is placed on accepting board 19 this moment, the lateral force of spring 18 makes accepting board 19 fix lithium cell 20 simultaneously, the clamping device of lateral wall can make slide bar 10 drive splint 14 along with the lateral force of pressure spring 17 and carry out the centre gripping to lithium cell 20 fixedly after that, when needing to change splint 14's clamping-force degree, twist and move fixing bolt 15 and take off fixed plate 16 from fixing base 2, take out behind the slider 5, twist and move turning block 12, turning block 12 drives loop bar 11 at the internal rotation of stop collar 13, slide bar 10 drives regulating block 9 at this moment and removes in fixed column 7, along with the motion change compression degree of pressure spring 17 of regulating block 9, and then change splint 14's clamping effect.

Compared with the prior art, the utility model discloses for prior art have following beneficial effect:

1. this lithium battery protection device protects lithium cell 20 through splint 14 and the cooperation of pressure spring 17, when changing pressure spring 17, twist and move fixing bolt 15 and take off fixed plate 16 from fixing base 2, take out slider 5 in the fixing base 2 upper chute 3, and then change pressure spring 17 in the fixed column 7, fix slider 5 through fixed plate 16, then take out fixed column 7 in the casing 1 when needing and carry out the change of pressure spring 17, rational in infrastructure.

2. This lithium battery protection device takes out slider 5 after, twists and moves turning block 12, turning block 12 drives loop bar 11 at stop collar 13 internal rotation, and then drives slide bar 10 at fixed column 7 internal rotation, slide bar 10 drives regulating block 9 and removes in fixed column 7 this moment, along with the motion change compression degree of pressure spring 17 of regulating block 9, and then change splint 14's centre gripping effect, change splint 14 through turning block 12 and to lithium cell 20's centre gripping effect, increase the device practicality.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

It will be understood by those skilled in the art that the invention, including any combination of the elements of the above description and the detailed description and illustrated in the accompanying drawings, is not limited to the details and should not be construed as limited to the embodiments set forth herein for the sake of brevity. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the invention, and that those skilled in the art may make variations, modifications, substitutions and alterations herein without departing from the spirit and scope of the invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a lithium battery protection device, its characterized in that, includes casing (1), inner wall fixedly connected with fixing base (2) of casing (1), spout (3) and screw hole (4) have been seted up at the top of fixing base (2), the inside sliding connection of spout (3) has slider (5), one side fixedly connected with connecting block (6) of slider (5), one side fixedly connected with fixed column (7) of connecting block (6), thread groove (8) have been seted up to the inside of fixed column (7), the internal thread of thread groove (8) is connected with regulating block (9), one side fixedly connected with slide bar (10) of regulating block (9), the surface sliding connection of slide bar (10) has loop bar (11), one side fixedly connected with turning block (12) of loop bar (11), the surface of loop bar (11) rotates and is connected with stop collar (13), one side fixedly connected with splint (14) of stop collar (13), the internal thread of screw hole (4) is connected with fixing bolt (15), the surface of fixing bolt (15) has cup jointed fixed plate (16), one side of regulating block (9) is provided with pressure spring (17).

2. A lithium battery protection device as claimed in claim 1, characterized in that a spring (18) is arranged inside the housing (1), a receiving plate (19) is fixedly connected to the top end of the spring (18), and a lithium battery (20) is connected to the top of the receiving plate (19) in a lap joint manner.

3. A lithium battery protection device according to claim 1, characterized in that a stabilizing block (21) is slidably connected inside the chute (3), and the top of the stabilizing block (21) is fixedly connected with the bottom of the fixing plate (16).

4. A lithium battery protection device according to claim 3, characterized in that the top of the sliding block (5) is attached to the bottom of the stabilizing block (21).

5. The lithium battery protection device as claimed in claim 1, wherein a limiting block (22) is fixedly connected to an outer surface of the sliding rod (10), a limiting groove (23) is formed in an inner wall of the loop bar (11), and an outer surface of the limiting block (22) is attached to an inner wall of the limiting groove (23).

6. The lithium battery protection device as claimed in claim 1, wherein one side of the clamping plate (14) is provided with an adjustment groove (24), and one side of the adjustment groove (24) is attached to one side of the rotating block (12).