CN212230474U

CN212230474U - Shockproof lithium battery

Info

Publication number: CN212230474U
Application number: CN202020557747.8U
Authority: CN
Inventors: 徐健
Original assignee: Jiangsu Langhong Electrical Engineering Co ltd
Current assignee: Jiangsu Langhong Electrical Engineering Co ltd
Priority date: 2020-04-15
Filing date: 2020-04-15
Publication date: 2020-12-25
Anticipated expiration: 2030-04-15

Abstract

A shockproof lithium battery comprises an installation box, wherein a lithium battery main body is arranged in the installation box, a sliding protruding block is arranged at the bottom of the lithium battery main body, a transverse supporting slide rod penetrates through the sliding protruding block, a supporting block is arranged at the end part of the transverse supporting slide rod, the supporting block is sleeved on a longitudinal supporting slide rod, and the longitudinal supporting slide rod is embedded into the inner wall of the installation box; the end part of the supporting block is sealed by a limiting bolt, a roller is arranged between the two ends of the supporting block, and the limiting bolt penetrates through the roller; the side wall of the lithium battery main body is in contact with a horizontal top plate, a movable rod is arranged on the horizontal top plate, a fixed rod is embedded at the end part of the movable rod, and the fixed rod is embedded on the side wall of the installation box; the installation box outside bottom is equipped with fixed connection piece, fixed connection piece passes through fixing bolt and fixes to the connector surface. The utility model discloses simple structure, the inside and outside structure of install bin reduces the vibrations of lithium cell on the three-dimensional side, reduces the damage, has improved life.

Description

Shockproof lithium battery

Technical Field

The utility model relates to a lithium cell especially relates to a lithium cell takes precautions against earthquakes.

Background

Lithium batteries are batteries using a nonaqueous electrolyte solution and lithium metal or a lithium alloy as an anode material. Lithium batteries generally have two shapes: cylindrical and square. The battery is internally in a spiral winding structure and is formed by spacing a polyethylene film isolating material which is very fine and has strong permeability between a positive electrode and a negative electrode. The positive electrode comprises a current collector consisting of lithium cobaltate (or lithium nickel cobalt manganese oxide, lithium manganate, lithium iron phosphate and the like) and an aluminum foil. The negative electrode is composed of a current collector composed of a graphitized carbon material and a copper foil. The battery is filled with organic electrolyte solution. In addition, a safety valve and a PTC element (partially cylindrical) are provided to protect the battery from damage in case of abnormal state and output short circuit.

However, in the process of using the lithium battery, the lithium battery is generally fixed directly. When meeting great vibrations, the lithium cell is inside can lead to the lithium cell inside impaired along with rocking in the fixing of this kind of mode, with the life of lithium cell, serious can lead to the explosion of lithium cell.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects of the prior art and providing a shockproof lithium battery.

A shockproof lithium battery is characterized by comprising an installation box, wherein a lithium battery main body is arranged in the installation box, a sliding protruding block is arranged at the bottom of the lithium battery main body, a transverse supporting slide rod penetrates through the sliding protruding block, a supporting block is arranged at the end part of the transverse supporting slide rod and is sleeved on a longitudinal supporting slide rod, and the longitudinal supporting slide rod is embedded into the inner wall of the installation box; the end part of the supporting block is sealed by a limiting bolt, a roller is arranged between the two ends of the supporting block, and the limiting bolt penetrates through the roller; the side wall of the lithium battery main body is in contact with a horizontal top plate, a movable rod is arranged on the horizontal top plate, a fixed rod is embedded at the end part of the movable rod, and the fixed rod is embedded on the side wall of the installation box; the installation box outside bottom is equipped with fixed connection piece, fixed connection piece passes through fixing bolt and fixes to the connector surface.

Preferably, the section of the fixed rod is an i-shaped section, horizontal springs are arranged on two sides of one end of the fixed rod embedded in the movable rod, the horizontal spring on one side is sleeved on the fixed rod, and the horizontal spring on the other side is arranged in the movable rod and abuts against the end of the fixed rod.

Preferably, the inner wall of the installation box is provided with a sliding groove, the sliding groove is embedded with the end part of the longitudinal support sliding rod, and the length of the sliding groove is smaller than the depth in the installation box.

Preferably, the supporting block is U-shaped and has a downward opening, and the supporting block and the transverse supporting slide rod are of an integrated structure.

Preferably, vertical springs are arranged between the surface of the connecting body and the fixed bolt and between the fixed connecting blocks.

Preferably, the box cover of the installation box is embedded with a ball, and the ball supports against the lithium battery main body and limits vertical movement.

The utility model has the advantages that:

the transverse supporting sliding rod and the longitudinal supporting sliding rod enable the lithium battery main body to move horizontally, and vibration of the lithium battery main body in the horizontal direction is reduced or even counteracted through a structure formed by the horizontal top plate, the movable rod, the fixed rod and the horizontal spring; the combined structure of the fixed connecting block, the fixed bolt and the vertical spring reduces and even counteracts the vibration of the lithium battery main body in the vertical direction; the influence of receiving vibrations through the effectual reduction of simple structure, it is long when improving the use of lithium cell, and the maintenance process is simple, quick.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, together with the description of embodiments of the invention, and are not intended to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic top sectional view of the present invention;

FIG. 3 is an enlarged view of circle A in FIG. 1;

labeled as: 1-installation box, 2-lithium battery main body, 3-sliding lug, 4-transverse supporting slide rod, 5-longitudinal supporting slide rod, 6-supporting block, 7-fixed rod, 8-movable rod, 9-horizontal spring, 10-horizontal top plate, 11-fixed connecting block, 12-vertical spring, 13-fixed bolt, 14-limiting bolt, 15-roller and 16-connecting body surface.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

As shown in fig. 1 to 3, a lithium battery for vibration prevention includes a mounting case 1. The lithium battery main body 2 is arranged inside the installation box 1, the bottom of the lithium battery main body 2 is provided with a sliding protruding block 3, a transverse supporting slide rod 4 penetrates through the sliding protruding block 3, the end part of the transverse supporting slide rod 4 is provided with a supporting block 6, the supporting block 6 is sleeved on a longitudinal supporting slide rod 5, and the longitudinal supporting slide rod 5 is embedded into the inner wall of the installation box 1; the end part of the supporting block 6 is sealed by a limiting bolt 14, a roller 15 is arranged between the two ends of the supporting block 6, and the limiting bolt 14 penetrates through the roller 15; the side wall of the lithium battery main body 2 is in contact with a horizontal top plate 10, a movable rod 8 is arranged on the horizontal top plate 10, a fixed rod 7 is embedded at the end part of the movable rod 8, and the fixed rod 7 is embedded on the side wall of the installation box 1; the bottom of the outer side of the installation box 1 is provided with a fixed connecting block 11, and the fixed connecting block 11 is fixed to a connecting body surface 16 through a fixing bolt 13.

The dead lever 7 inlays the one end both sides in the movable rod 8 and is equipped with horizontal spring 9, and one side horizontal spring 9 cup joints on dead lever 7, and opposite side horizontal spring 9 establishes in movable rod 8 inside and supports the tip of dead lever 7. Vertical springs 12 are arranged between the surface 16 of the connecting body and the fixed connecting block 11 and between the fixed bolts 13.

When the lithium battery box is vibrated, the lithium battery main body 2 slides along the transverse supporting slide rod 4 through the sliding lug 3, the transverse supporting slide rod 4 slides along the longitudinal supporting slide rod 5 through the supporting block 6, and meanwhile, the ball embedded in the box cover of the installation box 1 assists in moving. Lithium cell main part 2 is when horizontal migration, and lithium cell main part 2 supports the horizontal ejector pin 2 of direction of motion, through the inside horizontal spring 9 of movable rod 8 compression, and horizontal spring 9 produces the reaction force simultaneously and reduces vibrations influence and make lithium cell main part 2 remove to the original position.

The fixed connecting block 11 at the bottom of the outer side of the installation box 1 moves along the fixed bolt 13, and the pushing force formed by the compression of the vertical spring 12 and the pulling force formed by the expansion reduce the vibration effect together.

Through above-mentioned two steps, reduce vibrations and lead to lithium cell main part 2 horizontal slip and the vertical vibrations of installing bin 1, finally make installing bin 1 and lithium cell main part 2 get back to the normal position.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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.

Claims

1. A shockproof lithium battery is characterized by comprising an installation box, wherein a lithium battery main body is arranged in the installation box, a sliding protruding block is arranged at the bottom of the lithium battery main body, a transverse supporting slide rod penetrates through the sliding protruding block, a supporting block is arranged at the end part of the transverse supporting slide rod and is sleeved on a longitudinal supporting slide rod, and the longitudinal supporting slide rod is embedded into the inner wall of the installation box; the end part of the supporting block is sealed by a limiting bolt, a roller is arranged between the two ends of the supporting block, and the limiting bolt penetrates through the roller; the side wall of the lithium battery main body is in contact with a horizontal top plate, a movable rod is arranged on the horizontal top plate, a fixed rod is embedded at the end part of the movable rod, and the fixed rod is embedded on the side wall of the installation box; the installation box outside bottom is equipped with fixed connection piece, fixed connection piece passes through fixing bolt and fixes to the connector surface.

2. The lithium battery of claim 1, wherein the fixing rod is made of an i-shaped cross section, and a horizontal spring is disposed on both sides of one end of the fixing rod embedded in the movable rod, one side of the horizontal spring is sleeved on the fixing rod, and the other side of the horizontal spring is disposed inside the movable rod and abuts against an end of the fixing rod.

3. The shockproof lithium battery of claim 1, wherein a sliding groove is formed on the inner wall of the installation box, the sliding groove is embedded with the end part of the longitudinal support sliding rod, and the length of the sliding groove is smaller than the depth in the installation box.

4. The lithium battery of claim 1, wherein the support block is U-shaped and opens downward, and the support block and the lateral support rod are integrally formed.

5. The lithium battery of claim 1, wherein a vertical spring is disposed between the surface of the connecting body and the fixing bolt and the fixing connecting block.

6. The lithium battery as claimed in claim 1, wherein a ball is embedded in the cover of the mounting case, and the ball abuts against the lithium battery body and restricts vertical movement.