CN213752867U

CN213752867U - Lithium battery waterproof shell

Info

Publication number: CN213752867U
Application number: CN202022800088.9U
Authority: CN
Inventors: 吕诗; 吕赢; 吴建; 刘会忠
Original assignee: Huludao Minghao New Energy Materials Co Ltd
Current assignee: Huludao Minghao New Energy Materials Co Ltd
Priority date: 2020-11-28
Filing date: 2020-11-28
Publication date: 2021-07-20
Anticipated expiration: 2030-11-28

Abstract

The utility model discloses a lithium battery waterproof case, including box body and lithium cell monomer, the upper end fixedly connected with apron of box body, the equal fixedly connected with fin of upside of the bottom side of box body, apron, the inner chamber bottom fixedly connected with backing plate of box body, be equipped with a plurality of draw-in groove on the backing plate, lithium cell monomer's lower extreme and draw-in groove joint, the downside welding of apron has the frame of rectangle, the side of frame is equipped with the recess, it has the sealing washer to bond in the recess, the downside fixed mounting of apron has a plurality of depression bar, the depression bar includes sleeve pipe and inserted bar, the inserted bar is pegged graft with sheathed tube inner chamber. Arrange lithium battery monomer in confined box body, connect the wire through outside connection terminal after establishing ties, waterproof effectual, the bottom of box body, the upside of apron all are equipped with the fin, improve radiating efficiency, and every lithium battery monomer is compressed tightly by the depression bar, and the stability of installation is good.

Description

Lithium battery waterproof shell

Technical Field

The utility model relates to a lithium cell technical field specifically is a lithium cell waterproof housing.

Background

The lithium battery is a primary battery which takes lithium metal or lithium alloy as a negative electrode material and uses a non-aqueous electrolyte solution, is different from a rechargeable battery, namely a lithium ion battery and a lithium ion polymer battery, the inventor of the lithium battery is edison, and because the chemical properties of the lithium metal are very active, the lithium metal has very high requirements on the environment in processing, storage and use, so the lithium battery is not applied for a long time. For a large-capacity storage battery, the storage battery is generally connected in series to form a battery pack, the shell of the conventional lithium battery pack cannot be well waterproof, and the situation of short circuit is easy to occur after water enters the lithium battery pack.

SUMMERY OF THE UTILITY MODEL

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

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a lithium battery waterproof case, includes box body and lithium cell monomer, the upper end fixedly connected with apron of box body, the equal fixedly connected with fin of upside of the bottom side of box body, apron, the inner chamber bottom fixedly connected with backing plate of box body, be equipped with a plurality of draw-in groove on the backing plate, the free lower extreme of lithium cell and draw-in groove joint, the downside welding of apron has the frame of rectangle, the side of frame is equipped with the recess, it has the sealing washer to bond in the recess, the downside fixed mounting of apron has a plurality of depression bar, the depression bar includes sleeve pipe and inserted bar, the inserted bar pegs graft with the sheathed tube inner chamber, the lower extreme welding of inserted bar has the circular shape clamp plate, the welding of sheathed tube upper end has the mounting panel of rectangle, be connected with the spring between mounting panel and the clamp plate.

Preferably, the four corners of the bottom of the box body are provided with support legs, and the support legs are provided with circular mounting holes.

Preferably, the backing plate adopts the expanded plastics material to make, the bottom of draw-in groove is equipped with a plurality of through-hole, the side-mounting of box body has the connection terminal.

Preferably, the inner side of the box body is welded with a support lug, the support lug is in contact with the upper side of the frame, and the support lug is fixedly connected with the cover plate through screws.

Preferably, the lower end of the pressing rod is in contact with the lithium battery unit, the spring is sleeved on the sleeve, and the mounting plate is fixedly connected with the cover plate.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses arrange lithium cell monomer in the confined box body, through outside connection terminal connecting wire after establishing ties, waterproof effectual, the bottom of box body, the upside of apron all are equipped with the fin, increase with the area of contact of air, improve radiating efficiency, every lithium cell monomer compresses tightly by the depression bar, the stability of installation is good.

Drawings

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

fig. 2 is a partially enlarged schematic view of a portion a in fig. 1 according to the present invention;

fig. 3 is a schematic structural view of the pressure bar of the present invention.

In the figure: 1. a box body; 2. a base plate; 3. a lithium battery cell; 4. a through hole; 5. a fin; 6. a support leg; 7. a wire holder; 8. a cover plate; 9. a pressure lever; 91. a sleeve; 92. inserting a rod; 93. a spring; 94. pressing a plate; 10. supporting a lug; 11. a seal ring; 12. and (5) a frame.

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. 1-3, the present invention provides a technical solution: the utility model provides a lithium battery waterproof case, includes box body 1 and lithium cell 3, the upper end fixedly connected with apron 8 of box body 1, the equal fixedly connected with fin 5 of the bottom side of box body 1, the upside of apron 8, and stabilizer blade 6 is installed in the bottom four corners of box body 1, is equipped with the circular shape mounting hole on the stabilizer blade 6, through setting up the area of contact that fin 5 increases with the air, improves radiating efficiency.

Inner chamber bottom fixedly connected with backing plate 2 of box body 1, backing plate 2 adopts the expanded plastics material to make, the bottom of draw-in groove is equipped with a plurality of through-hole 4, the side-mounting of box body 1 has connection terminal 7, be equipped with a plurality of draw-in groove on the backing plate 2, lithium cell monomer 3's lower extreme and draw-in groove joint, the downside welding of apron 8 has the frame 12 of rectangle, the side of frame 12 is equipped with the recess, it has sealing washer 11 to bond in the recess, provide a sealed environment for the inner chamber of box body 1, prevent into water, the inboard welding of box body 1 has journal stirrup 10, the upside contact of journal stirrup 10 and frame 12, with screw fixed connection between journal stirrup 10 and the apron 8.

Apron 8's downside fixed mounting has a plurality of depression bar 9, depression bar 9 includes sleeve pipe 91 and inserted bar 92, inserted bar 92 is pegged graft with sleeve pipe 91's inner chamber, the lower extreme welding of inserted bar 92 has circular shape clamp plate 94, the upper end welding of sleeve pipe 91 has the mounting panel of rectangle, be connected with spring 93 between mounting panel and the clamp plate 94, depression bar 9's lower extreme and lithium cell monomer 3 contact, spring 93 cup joints on sleeve pipe 91, mounting panel and apron 8 fixed connection, depression bar 9 has certain flexible surplus, 8 installation backs are lapped, compress tightly lithium cell monomer 3 with excessive pressure pole 9, prevent to appear rocking.

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. The utility model provides a lithium battery waterproof case, includes box body (1) and lithium battery monomer (3), its characterized in that: the upper end of the box body (1) is fixedly connected with a cover plate (8), the bottom side of the box body (1) and the upper side of the cover plate (8) are fixedly connected with fins (5), the bottom of the inner cavity of the box body (1) is fixedly connected with a base plate (2), a plurality of clamping grooves are arranged on the base plate (2), the lower end of the lithium battery monomer (3) is clamped with the clamping grooves, a rectangular frame (12) is welded on the lower side of the cover plate (8), a groove is arranged on the side surface of the frame (12), a sealing ring (11) is bonded in the groove, a plurality of pressure rods (9) are fixedly mounted on the lower side of the cover plate (8), each pressure rod (9) comprises a sleeve (91) and an inserted rod (92), the inserted rod (92) is spliced with the inner cavity of the sleeve (91), a circular pressure plate (94) is welded on the lower end of the inserted rod (92, and a spring (93) is connected between the mounting plate and the pressure plate (94).

2. The waterproof case for a lithium battery as claimed in claim 1, wherein: the box body (1) is characterized in that support legs (6) are installed at four corners of the bottom of the box body, and circular installation holes are formed in the support legs (6).

3. The waterproof case for a lithium battery as claimed in claim 1, wherein: backing plate (2) adopt the expanded plastics material to make, the bottom of draw-in groove is equipped with a plurality of through-hole (4), the side-mounting of box body (1) has connection terminal (7).

4. The waterproof case for a lithium battery as claimed in claim 1, wherein: the inner side of the box body (1) is welded with a support lug (10), the support lug (10) is in contact with the upper side of the frame (12), and the support lug (10) is fixedly connected with the cover plate (8) through screws.

5. The waterproof case for a lithium battery as claimed in claim 1, wherein: the lower extreme and the lithium cell monomer (3) contact of depression bar (9), spring (93) cup joint on sleeve pipe (91), mounting panel and apron (8) fixed connection.