CN211530031U

CN211530031U - Protective housing for lithium battery

Info

Publication number: CN211530031U
Application number: CN202020400736.9U
Authority: CN
Inventors: 裴学进
Original assignee: Dongguan Power Source Electronic Technology Co ltd
Current assignee: Dongguan Power Source Electronic Technology Co ltd
Priority date: 2020-03-25
Filing date: 2020-03-25
Publication date: 2020-09-18
Anticipated expiration: 2030-03-25

Abstract

The utility model discloses a protective housing for lithium cell, including first casing, limiting plate, second casing and side piece, install the dust screen on the heat dissipation lug that the outside avris of first casing set up, one side of limiting plate is connected with first casing through the side spring, and the bottom of first casing is provided with the spout, the top of limiting plate is connected with the stationary blade through wearing the cover, and reserves the connecting hole on the stationary blade to the below of limiting plate is fixed with the slider, second casing and first casing interconnect, and the inside wall bonding of the through wires hole of reserving on the first casing has the rubber layer, the below at the second casing is fixed to the side piece, and the second casing supports the piece through coupling spring and rubber and is connected. This protective housing for lithium cell can carry out multiple fixed to the lithium cell of placing wherein, and the effectual phenomenon of rocking appears having avoided the lithium cell at the in-process that uses, has both guaranteed the stability of wiring and has also protected lithium cell body.

Description

Protective housing for lithium battery

Technical Field

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

Background

The lithium battery is a kind of battery which uses lithium metal or lithium alloy as negative electrode material and uses non-aqueous electrolyte solution, because the chemical property of lithium metal is very active, the processing, storage and use of lithium metal are enabled, the requirement on environment is very high, therefore, the lithium battery is not applied for a long time, and along with the development of scientific technology, the lithium battery becomes mainstream at present, the lithium battery is due to the active chemical property, and in order to protect the lithium battery better, a protective shell is generally required to be installed on the lithium battery when in use, but the protective shell for most of lithium batteries at present can not be well limit the lithium battery placed therein, the phenomenon of shaking can often appear, not only can lead to the unstable power connection, but also can influence the lithium battery itself. Aiming at the problems, the innovative design is carried out on the basis of the original protective shell for the lithium battery.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a protective housing for lithium cell to it is injectd the lithium cell wherein placing that the protective housing that appears in the most lithium cell and use can not be fine in solving above-mentioned background art, and the phenomenon of rocking often can appear, not only can lead to connecing the problem that the electricity unstability still can exert an influence to lithium cell itself.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a protective housing for lithium cell, includes first casing, limiting plate, second casing and side piece, install the dust screen on the heat dissipation lug that the outside avris of first casing set up, and the front surface of first casing reserves the spread groove, one side of limiting plate is connected with first casing through the side spring, and the bottom of first casing is provided with the spout to the opposite side and the lithium cell body interconnect of limiting plate, the top of limiting plate is connected with the stationary blade through wearing the cover, and reserves the connecting hole on the stationary blade, and the below of limiting plate is fixed with the slider, second casing and first casing interconnect, and the inside wall bonding of the through wires hole of reserving on the first casing has the rubber layer, the below at the second casing is fixed to the side piece, and the second casing supports the piece through connecting spring and rubber and is connected.

Preferably, the heat dissipation lugs are symmetrically arranged on the left side and the right side of the outer portion of the first shell at equal intervals, and the heat dissipation lugs are of an inner hollow structure.

Preferably, the positions and the number of the connecting grooves correspond to those of the side blocks, and the connecting grooves are connected with the side blocks.

Preferably, the sliding structure is formed by the sliding block, the sliding groove and the first shell under the limiting plate, two sliding structures are symmetrically arranged in the first shell, the side spring and the inner side wall of the first shell are arranged on one side of the limiting plate to form a telescopic structure, the length, the width and the height of the limiting plate are smaller than those of the inside of the first shell, and the limiting plate is of a net-shaped structure.

Preferably, the length of the fixing piece is smaller than that of the sliding groove, and connecting holes are reserved on the fixing piece at equal intervals.

Preferably, the longitudinal section of the second shell is in an inverted 'U' -shaped structure, the second shell and the rubber supporting block form a telescopic structure through a connecting spring, and the structure is provided with two parts in the center symmetry of the second shell.

Compared with the prior art, the beneficial effects of the utility model are that: the protective shell for the lithium battery can fix the lithium battery placed in the protective shell in multiple, effectively avoids the shaking phenomenon of the lithium battery in the using process, not only ensures the stability of wiring, but also protects the lithium battery body, the number of the limiting plates is two, and the limiting plates are mutually connected with the first shell through the side springs, the position-movable limiting plate can adapt to lithium batteries with different sizes and can be clamped and fixed by the acting force of the spring, the second shell can be connected with the first shell after the lithium battery body is installed, and the rubber supporting block arranged on the second shell can also play a role of fixing the lithium battery body, the device side spring and connecting spring set up both to have played fixed spacing effect, also can carry out the shock attenuation protection to lithium cell body to a certain extent, and the heat dissipation lug and the dust screen of cavity formula also can play certain dustproof radiating effect.

Drawings

Fig. 1 is a schematic front view of a first housing of the present invention;

fig. 2 is a schematic side view of the limiting plate of the present invention;

FIG. 3 is a schematic view of the overall top view structure of the present invention;

fig. 4 is a side view of the second housing of the present invention.

In the figure: 1. a first housing; 2. a heat dissipating bump; 3. a dust screen; 4. connecting grooves; 5. a limiting plate; 6. a side spring; 7. a chute; 8. a lithium battery body; 9. sleeving; 10. a fixing sheet; 11. connecting holes; 12. a slider; 13. a second housing; 14. threading holes; 15. a rubber layer; 16. a side block; 17. a connecting spring; 18. and a rubber supporting block.

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. 1-4, the present invention provides a technical solution: a protective shell for a lithium battery comprises a first shell body 1, a heat dissipation convex block 2, a dustproof net 3, a connecting groove 4, a limiting plate 5, a side spring 6, a sliding groove 7, a lithium battery body 8, a penetrating sleeve 9, a fixing piece 10, a connecting hole 11, a sliding block 12, a second shell body 13, a threading hole 14, a rubber layer 15, a side block 16, a connecting spring 17 and a rubber abutting block 18, wherein the dustproof net 3 is installed on the heat dissipation convex block 2 arranged on the outer side of the first shell body 1, the connecting groove 4 is reserved on the front surface of the first shell body 1, the heat dissipation convex blocks 2 are symmetrically arranged on the left side and the right side of the outer part of the first shell body 1 at equal intervals, the heat dissipation convex blocks 2 are of an inner hollow structure, the heat dissipation inside the protective shell is facilitated, the positions and the numbers of the connecting grooves 4 are all corresponding to the positions and the numbers of the side blocks 16, the clamping grooves of the connecting grooves are connected, the, the bottom of the first shell 1 is provided with a chute 7, the other side of the limit plate 5 is connected with the lithium battery body 8, the lower part of the limit plate 5 forms a sliding structure with the first shell 1 through a slide block 12 and the chute 7, the structure is symmetrically provided with two parts in the first shell 1, one side of the limit plate 5 forms a telescopic structure with the inner side wall of the first shell 1 through a side spring 6, meanwhile, the length, the width and the height of the limit plate 5 are both smaller than those of the inside of the first shell 1, the limit plate 5 is of a net-shaped structure, the heat dissipation of the lithium battery body 8 is not influenced while the lithium battery body 8 is fixed, the upper part of the limit plate 5 is connected with a fixing plate 10 through a penetrating sleeve 9, a connecting hole 11 is reserved on the fixing plate 10, the slide block 12 is fixed below the limit plate 5, the length of the fixing plate 10 is smaller than that of the chute 7, be convenient for fix according to lithium cell body 8's width, second casing 13 and first casing 1 interconnect, and the inside wall of the through wires hole 14 of reserving on first casing 1 bonds there is rubber layer 15, side piece 16 is fixed in the below of second casing 13, and second casing 13 supports the piece 18 with rubber through connecting spring 17 and is connected, the longitudinal section of second casing 13 is "U" column structure, and second casing 13 supports the piece 18 through connecting spring 17 and rubber and constitutes extending structure, and this structure is provided with two about the central symmetry of second casing 13 altogether, can play the effect of fixed lithium cell body 8 when covering first casing 1.

The working principle is as follows: firstly, compressing 2 limit plates 5 towards the inner side wall of a first shell 1 through side springs 6, meanwhile, sliding the lower parts of the limit plates 5 on a sliding groove 7 through a sliding block 12 until the distance between the 2 limit plates 5 is larger than the width of a lithium battery body 8, then loosening the limit plates 5, enabling the 2 limit plates 5 to cling to the left and right sides of the lithium battery body 8 under the action of the stretched side springs 6, at the moment, preliminarily fixing the lithium battery body 8, sequentially penetrating fixing pieces 10 through penetrating sleeves 9 on the 2 limit plates 5, and connecting and fixing the penetrating sleeves 9 and connecting holes 11 at corresponding positions by using bolts, then installing a second shell 13 and the first shell 1, connecting side blocks 16 on the second shell 13 with connecting grooves 4 at corresponding positions on the first shell 1 in a clamping way, at the moment, fixing the second shell 13 above the first shell 1 in a clamping way, when the second shell 13 covers the first shell 1, the rubber supporting block 18 arranged on the second shell is in contact with the surface of the lithium battery body 8, then the second shell 13 and the first shell 1 are fixedly connected through bolts, the lithium battery body 8 can be stably fixed in the rubber supporting block, a power line on the lithium battery body 8 can be pulled out of the threading hole 14 to be connected with an external power supply, the heat dissipation lug 2 and the dust screen 3 can play a certain dustproof and heat dissipation role, the side spring 6 and the connecting spring 17 are arranged to play a certain limiting role and can also perform shock absorption protection on the lithium battery body 8 to a certain extent, and the use method of the protective shell for the lithium battery is provided.

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 protective housing for lithium cell, includes first casing (1), limiting plate (5), second casing (13) and side piece (16), its characterized in that: install dust screen (3) on heat dissipation lug (2) that first casing (1) outside avris set up, and the front surface of first casing (1) is reserved has spread groove (4), one side of limiting plate (5) is connected with first casing (1) through side spring (6), and the bottom of first casing (1) is provided with spout (7), and the opposite side and lithium cell body (8) interconnect of limiting plate (5), the top of limiting plate (5) is connected with stationary blade (10) through wearing cover (9), and reserves connecting hole (11) on stationary blade (10), and the below of limiting plate (5) is fixed with slider (12), second casing (13) and first casing (1) interconnect, and the inside wall bonding of the through wires hole (14) of reserving on first casing (1) has rubber layer (15), the below at second casing (13) is fixed to side piece (16), and the second shell (13) is connected with the rubber block (18) through a connecting spring (17).

2. The protective case for a lithium battery as claimed in claim 1, wherein: the heat dissipation lugs (2) are symmetrically arranged on the left side and the right side of the outer portion of the first shell (1) at equal intervals, and the heat dissipation lugs (2) are of an inner hollow structure.

3. The protective case for a lithium battery as claimed in claim 1, wherein: the positions and the number of the connecting grooves (4) are all corresponding to those of the side blocks (16), and the connecting grooves are connected with the side blocks.

4. The protective case for a lithium battery as claimed in claim 1, wherein: the below of limiting plate (5) passes through slider (12) and spout (7) and constitutes sliding structure with first casing (1), and this structure symmetry is provided with two in first casing (1) to the extending structure is constituteed through side spring (6) and the inside wall of first casing (1) to one side of limiting plate (5), and the length width height of limiting plate (5) is all less than the length width height of first casing (1) inside simultaneously, and limiting plate (5) are the network structure.

5. The protective case for a lithium battery as claimed in claim 1, wherein: the length of the fixing piece (10) is smaller than that of the sliding groove (7), and connecting holes (11) are reserved on the fixing piece (10) at equal intervals.

6. The protective case for a lithium battery as claimed in claim 1, wherein: the longitudinal section of the second shell (13) is of an inverted U-shaped structure, the second shell (13) and the rubber supporting block (18) form a telescopic structure through a connecting spring (17), and the structure is symmetrically provided with two parts relative to the center of the second shell (13).