CN213520225U

CN213520225U - High-strength waterproof lithium battery pack

Info

Publication number: CN213520225U
Application number: CN202021574071.XU
Authority: CN
Inventors: 张学杰
Original assignee: Shanghai Yihui Energy Technology Co ltd
Current assignee: Shanghai Yihui Energy Technology Co ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-06-22
Anticipated expiration: 2030-07-31

Abstract

The utility model relates to a lithium cell group technical field specifically is a waterproof lithium cell of high strength group, include: the casing, top cap and lithium cell group, casing top integrated into one piece has the connecting block, the top cap lid fits on the connecting block, shells inner wall bottom inlays and is equipped with the buffer board, a plurality of buffer spring of buffer board bottom fixed connection, lithium cell group places in the buffer board upper surface, set up the first buffer of four groups between lithium cell group and the shells inner wall, shells outer wall is provided with 6 second buffer of group, first buffer is installed in four of shells inner wall including the embedding and is curved steel layering, be connected with the slider between the layering both ends, and layering one side hugs closely in lithium cell group outer wall, the interior wall welding of casing has the transversal spout of personally submitting the type of calligraphy, and the spout top is the opening form, the layering passes through slider embedding spout fixed mounting in shells inner wall, the utility model discloses can effectively improve the crashworthiness of casing, effectively improved lithium cell group waterproof.

Description

High-strength waterproof lithium battery pack

Technical Field

The utility model relates to a lithium cell technical field specifically is a waterproof lithium cell group of high strength.

Background

A "lithium battery" is a type of battery using a nonaqueous electrolyte solution with lithium metal or a lithium alloy as a negative electrode material. Lithium ion batteries are widely applied to mobile phones, notebook computers, electric tools, electric vehicles, street lamp standby power supplies, navigation lamps and small household appliances, and are the largest application group, and the lithium ion batteries are also widely applied to energy storage power systems of hydraulic power, firepower, wind power, solar power stations and the like, uninterruptible power supplies of post and telecommunications communication, and a plurality of fields of electric tools, electric bicycles, electric motorcycles, electric automobiles, military equipment, aerospace and the like.

In the aspect of each electrical apparatus of lithium cell wide application in social production life uses, but when using lithium cell group, often the environment that lithium cell group is located is abominable, for example use in the rainy day, comparatively moist environment, lithium cell group can not carry out effectual waterproof, and lithium cell group is when removing the use, the carrier is in the state of jolting of vibrations, the intensity of lithium cell group is low, poor stability, when vibrations are jolted, greatly reduced lithium cell group's life and availability factor, for this reason, we have proposed a waterproof lithium cell group of high strength with the above-mentioned drawback of good solution.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a waterproof lithium cell of high strength group to solve the problem that proposes in the above-mentioned background art.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: a high-strength waterproof lithium battery pack, comprising: casing, top cap and lithium cell group, casing top integrated into one piece has the connecting block, the top cap lid fits on the connecting block, shells inner wall bottom inlays and is equipped with the buffer board, a plurality of buffer spring of buffer board bottom fixed connection, lithium cell group places in the buffer board upper surface, set up four first buffer of group between group and the shells inner wall, the shell outer wall is provided with 6 second buffer of group.

Further, first buffering portion installs four curved steel layering that are in shells inner wall including the embedding, be connected with the slider between the layering both ends, and layering one side hugs closely in lithium cell group outer wall, shells inner wall welding has the transversal spout of personally submitting the type of protruding, and the spout top is the opening form, the layering passes through slider embedding spout fixed mounting in shells inner wall.

Further, the second buffering portion is installed in 6 transversal V style of calligraphy steel flexure strips of personally submitting of casing outer wall including the embedding, the two sides of casing broad and narrower two sides are provided with four and two flexure strips respectively, flexure strip both sides edge is provided with a plurality of turn-ups along its length direction shaping, and is adjacent it is connected with the gyro wheel to rotate between the turn-up, casing outer wall sets up the groove of inlaying of personally submitting the type with the flexure strip is transversal, the flexure strip inlays through both sides gyro wheel and locates and inlay inslot and casing outer wall fixed connection.

Furthermore, a plurality of groups of corresponding limiting rods are arranged at the central part of one side of the elastic sheet close to the shell and in the embedding groove, and a reset spring is arranged between the two corresponding limiting rods.

Furthermore, the outer wall of the connecting block is provided with a sealing strip in a surrounding and embedding manner, and the length and width of the inner wall of the top cover are gradually reduced from bottom to top.

Furthermore, four annular thread blocks are welded at four corners of the top end of the inner wall of the shell, mounting holes corresponding to the thread blocks are formed in the top cover in a penetrating mode, and the top cover is inserted into the mounting holes through bolts and fixedly connected with the thread blocks.

Compared with the prior art, the utility model provides a waterproof lithium cell of high strength group possesses following beneficial effect:

1. the utility model discloses, install the lithium cell group in the casing, and then cover on the connecting block of casing top through the top cap, the sealing strip extrudees between top cap inner wall and connecting block outer wall, can effectively improve the leakproofness between top cap and the connecting block to prevent that external water from permeating casing inside from damaging the lithium cell group;

2. the utility model discloses, install the casing and lithium cell group to the equipment, when receiving the striking, the outside flexure strip of lithium cell can avoid the casing to receive the collision directly, the gyro wheel of the both sides of flexure strip after receiving the extrusion moves along the direction of keeping away from each other in inlaying the inslot, the elasticity of flexure strip can alleviate the damage that the impact force brought to the casing, simultaneously, reset spring's elasticity can prevent that the flexure strip from excessively warping, further alleviate the impact force;

3. the utility model discloses, when receiving the striking, the inside lithium cell group striking layering of casing, the elasticity of layering can provide the buffering for lithium cell group once more, avoids lithium cell group and shells inner wall to bump and damage.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

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

fig. 3 is a schematic view of the front view cross-sectional structure of the present invention;

fig. 4 is a schematic structural view of a second buffer portion of the present invention;

fig. 5 is a schematic structural view of the first buffer portion of the present invention.

In the figure: 1-a shell; 2-a top cover; 3-a lithium battery pack; 4, connecting blocks; 5-a buffer plate; 6-a buffer spring; 7-a first buffer; 701-pressing a strip; 702-a slider; 703-a chute; 8-a second buffer; 801-an elastic sheet; 802-curling; 803-rollers; 804-embedding grooves; 9-a limiting rod; 10-a return spring; 11-a sealing strip; 12-a thread block; 13-mounting holes.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 5, the present invention provides a technical solution: a high-strength waterproof lithium battery pack, comprising: casing 1, top cap 2 and

lithium cell group

3, 1 top integrated into one piece of casing has connecting

block

4, and 2 lids of top cap fit on connecting

block

4, and 1 inner wall bottom of casing inlays and is equipped with buffer board 5, and a plurality of buffer spring 6 of 5 bottom fixed connection of buffer board, lithium cell group 3 place in 5 upper surfaces of buffer board, set up four first buffer of group 7 between 3 and the 1 inner wall of casing of lithium cell group, and 1 outer wall of casing is provided with 6 second buffer 8 of group.

Wherein, first buffer portion 7 is installed in four of casing 1 inner wall including the embedding and is curved steel layering 701, be connected with slider 702 between the layering 701 both ends, and layering 701 one side is hugged closely in 3 outer walls of lithium cell group, casing 1 inner wall welding has the transversal spout 703 of personally submitting type form, and the spout 703 top is the opening form, layering 701 passes through slider 702 embedding spout 703 fixed mounting in casing 1 inner wall, when receiving the striking, 3 striking layering of the inside lithium cell group of casing 1, the elasticity of layering 701 can be for lithium cell group 3 provides the buffering once more, avoid lithium cell group 3 and casing 1 inner wall to bump and damage.

Wherein, the second buffer part 8 comprises 6 steel elastic sheets 801 with V-shaped cross section, which are embedded and installed on the outer wall of the shell, four and two elastic sheets 801 are respectively arranged on the wider two sides and the narrower two sides of the shell 1, a plurality of turned edges 802 are formed on the two side edges of the elastic sheets 801 along the length direction, rollers 803 are rotatably connected between the adjacent turned edges 802, an embedding groove 804 with a convex shape with the cross section of the elastic sheet 801 is arranged on the outer wall of the shell 1, the elastic sheets 801 are embedded in the embedding groove 804 through the rollers 803 on the two sides and fixedly connected with the outer wall of the shell 1, a plurality of groups of corresponding limiting rods 9 are respectively arranged at the central part of one side of the elastic sheet 801 close to the shell 1 and in the embedding groove 804, a reset spring 10 is arranged between the two corresponding limiting rods 9, the shell 1 and the lithium battery pack 3 are installed on the device, when being impacted, the elastic sheets 801 outside the lithium battery pack, the rollers 803 on both sides of the pressed elastic piece 801 move in the direction away from each other along the insertion groove 804, and the elastic force of the elastic piece 801 can reduce the damage to the housing 1 caused by the impact force, and the elastic force of the return spring 10 can prevent the elastic piece 801 from being excessively deformed, thereby further reducing the impact force.

Wherein, the outer wall of connecting block 4 encircles and inlays and is equipped with

sealing strip

11, 2 inner wall length and width of top cap are by supreme diminishing gradually down, 1 inner wall top four corners department welding of casing has four to be annular screw thread blocks 12, wear to be equipped with on the top cap 2 with the corresponding mounting hole 13 in screw thread block 12 position, top cap 2 inserts mounting hole 13 and screw thread block 12 fixed connection through the bolt, install lithium cell group 3 in casing 1, rethread top cap 2 covers on the connecting block on 1 top of casing, sealing strip 11 extrudees between 2 inner walls of top cap and 4 outer walls of connecting block, can effectively improve the leakproofness between top cap 2 and the connecting block 4, thereby prevent that external water from permeating 1 inside damage lithium cell group 3 of casing.

The working principle is as follows: in the use process of the utility model, the lithium battery pack 3 is arranged in the shell 1, and then the lithium battery pack 3 is covered on the connecting block at the top end of the shell 1 through the top cover 2, the sealing strip 11 is extruded between the inner wall of the top cover 2 and the outer wall of the connecting block 4, the top cover 2 is fixedly connected with the threaded block 12 through the bolt inserted into the mounting hole 13, the sealing performance between the top cover 2 and the connecting block 4 can be effectively improved, thereby preventing the external water from permeating into the shell 1 to damage the lithium battery pack 3, the shell 1 and the lithium battery pack 3 are arranged on the equipment, when being impacted, the elastic sheet 801 at the outer part of the lithium battery pack 3 can avoid the direct impact on the shell 1, the rollers 803 at the two sides of the extruded elastic sheet 801 move along the direction of the embedding groove 804 which is far away from each other, the damage of the impact force on the shell 1 can be reduced by the elasticity, further alleviate the impact force, meanwhile, 3 striking battens of the inside lithium cell group of casing 1, the elasticity of battens 701 can provide the buffering for 3 lithium cell groups once more, avoids 3 and 1 inner wall of casing of lithium cell group to bump and damage.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A high-strength waterproof lithium battery pack, comprising: casing (1), top cap (2) and lithium cell group (3), its characterized in that: casing (1) top integrated into one piece has connecting block (4), top cap (2) lid fits on connecting block (4), casing (1) inner wall bottom inlays and is equipped with buffer board (5), a plurality of buffer spring (6) of buffer board (5) bottom fixed connection, lithium cell group (3) are placed in buffer board (5) upper surface, set up four first buffer (7) of group between lithium cell group (3) and casing (1) inner wall, casing (1) outer wall is provided with 6 second buffer (8) of group.

2. The high-strength waterproof lithium battery pack according to claim 1, wherein: first buffer portion (7) are curved steel layering (701) including four that the embedding is installed in casing (1) inner wall, be connected with slider (702) between layering (701) both ends, and layering (701) one side hugs closely in lithium cell group (3) outer wall, casing (1) inner wall welding has transversal spout (703) of personally submitting the type of calligraphy, and spout (703) top is the opening form, layering (701) are through slider (702) embedding spout (703) fixed mounting in casing (1) inner wall.

3. The high-strength waterproof lithium battery pack according to claim 1, wherein: second buffering portion (8) are installed in 6 transversal V style of calligraphy steel flexure strips (801) of personally submitting of casing outer wall including the embedding, the both sides of casing (1) broad and narrower two sides are provided with four and two flexure strips (801) respectively, flexure strip (801) both sides edge is provided with a plurality of turn-ups (802) along its length direction shaping, and is adjacent it is connected with gyro wheel (803) to rotate between turn-up (802), casing (1) outer wall is seted up and is personally submitted crisscross groove (804) of inlaying of type with flexure strip (801), flexure strip (801) inlay through both sides gyro wheel (803) locate inlay in groove (804) with casing (1) outer wall fixed connection.

4. The high-strength waterproof lithium battery pack according to claim 3, wherein: the elastic piece (801) is close to the center of one side of the shell (1) and is provided with a plurality of groups of corresponding limiting rods (9) in the embedding groove (804), and a reset spring (10) is arranged between the two corresponding limiting rods (9).

5. The high-strength waterproof lithium battery pack according to claim 1, wherein: the connecting block (4) outer wall encircles and inlays and be equipped with sealing strip (11), top cap (2) inner wall length and width is by supreme diminishing down gradually.

6. The high-strength waterproof lithium battery pack according to claim 1, wherein: the welding of casing (1) inner wall top four corners department has four to be annular screw thread pieces (12), wear to be equipped with on top cap (2) with screw thread piece (12) corresponding mounting hole (13) in position, top cap (2) insert mounting hole (13) and screw thread piece (12) fixed connection through the bolt.