CN210516777U

CN210516777U - Anti-falling lithium battery pack shell

Info

Publication number: CN210516777U
Application number: CN201921555773.0U
Authority: CN
Inventors: 向吉燕
Original assignee: Kunshan Jizhe'an Mould Technology Co Ltd
Current assignee: Kunshan Jizhe'an Mould Technology Co Ltd
Priority date: 2019-09-18
Filing date: 2019-09-18
Publication date: 2020-05-12
Anticipated expiration: 2029-09-18

Abstract

The utility model discloses a prevent lithium cell group shell that falls, including casing, lithium cell group and cap, the cap passes through the top of screw fixed mounting at the casing, the inner chamber bottom at the casing is placed to the lithium cell group, first spout has all been seted up along controlling the direction at both ends about both sides around the casing inner chamber, the inner chamber of first spout is pegged graft and is had the partly of first slider, another part fixed mounting of first slider has the bar board that the fore-and-aft direction set up, and the inboard of bar board contacts with lithium cell group, the outside of bar board is in the past to the equal fixed mounting in back has the one end of first spring, the other end fixed mounting of first spring is on the inside wall of casing. This prevent lithium cell group shell that falls can avoid lithium cell group to receive the damage, can make the casing contact earlier with the semicircle body when dropping through being provided with anti part that falls, can avoid the shell of casing to receive the damage to can further protect the lithium cell group in the casing.

Description

Anti-falling lithium battery pack shell

Technical Field

The utility model relates to a battery packaging technology field specifically is a prevent lithium cell group shell that falls.

Background

The lithium battery is a primary battery which takes lithium metal or lithium alloy as a negative electrode material and uses non-aqueous electrolyte solution, is different from a rechargeable battery, namely a lithium ion battery and a lithium ion polymer battery, and the lithium battery pack is formed by connecting a plurality of lithium batteries in series or in parallel, along with the development of microelectronic technology at the end of the twentieth century, miniaturized equipment is increased day by day, high requirements on power supplies are provided, and the lithium batteries enter a large-scale practical stage;

at present, the lithium battery inevitably falls, collides in production, transportation, and these all can harm the lithium battery, reduce the performance of lithium battery, consequently, put forward a lithium cell group shell that prevents falling now and solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium cell group shell that prevents falling 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 prevent lithium cell group shell that falls, includes casing, lithium cell group and cap, the cap passes through the top of screw fixed mounting at the casing, lithium cell group places the inner chamber bottom at the casing, first spout has all been seted up along the left right direction at both ends about both sides around the casing inner chamber, the inner chamber of first spout is pegged graft and is had the partly of first slider, another part fixed mounting of first slider has the bar board that the fore-and-aft direction set up, and the inboard of bar board contacts with lithium cell group, the outside of bar board in the past to the one end of the equal fixed mounting in back of first spring, the other end fixed mounting of first spring is on the inside wall of casing, and the top right side of cap is provided with the wiring port, the inboard of bar board is provided with clamping part, the outer wall of casing and cap is provided with anti-falling part.

Preferably, the clamping component comprises a second sliding chute, a second sliding block, a rectangular plate and a second spring;

the inboard at the bar shaped plate is seted up along the fore-and-aft direction to the second spout, both sides all are pegged graft around the inner chamber of second spout has a part of second slider, another part fixed mounting of second slider has the vertical rectangular plate of placing, the outside fixed mounting of second slider has the second spring, and the outside fixed mounting of second spring is on the inside wall of second spout, the inboard of rectangular plate and the outside extrusion contact of lithium cell group.

Preferably, the anti-falling component comprises a screw hole, a screw rod and a semicircular body;

the bottom four corners of casing are the inclined plane, and lie in the central point on casing inclined plane and put and seted up the screw, the inboard fixed mounting of semicircle body has the screw rod, and the screw rod looks spiro union of inner chamber with the screw.

Preferably, the top end of the shell cover is rotatably connected with a handle.

Preferably, the shape of the inner cavity of the second sliding chute is a dovetail groove shape, and the second sliding block is inserted into the inner cavity of the second sliding chute in a matched manner.

Preferably, the length of the inner cavity of the screw hole is larger than that of the screw rod.

Preferably, the surface of the outer wall of the semicircular body is concave-convex.

Compared with the prior art, the beneficial effects of the utility model are that: this prevent lithium cell group shell that falls, when the casing falls, can play the cushioning effect to lithium cell group through the cooperation of clamping part, the bar shaped plate, first spring, first spout and first slider, thereby can protect putting into the inside lithium cell group of casing, can avoid lithium cell group to receive the damage, can make the casing contact earlier with the semicircle body when falling through being provided with anti part that falls, can avoid the shell of casing to receive the damage, thereby can further protect lithium cell group in the casing.

Drawings

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

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

FIG. 3 is a sectional structure diagram of the shell of the present invention;

fig. 4 is an illustration of the explosion structure of the strip-shaped plate of the present invention.

In the figure: 1. the casing, 2, lithium cell group, 3, cap, 4, first spout, 5, first slider, 6, bar shaped plate, 7, first spring, 8, second spout, 9, second slider, 10, rectangular plate, 11, second spring, 12, screw, 13, screw rod, 14, the semicircle body, 15, handle, 16, wiring port.

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 falling-proof lithium battery pack shell comprises a shell body 1, a lithium battery pack 2 and a shell cover 3, wherein the shell cover 3 is fixedly arranged at the top end of the shell body 1 through screws, the lithium battery pack 2 is placed at the bottom end of an inner cavity of the shell body 1, first sliding grooves 4 are respectively formed in the left and right ends of the front side and the rear side of the inner cavity of the shell body 1 along the left and right directions, a part of a first sliding block 5 is inserted into the inner cavity of the first sliding groove 4, a strip-shaped plate 6 arranged in the front and rear directions is fixedly arranged on the other part of the first sliding block 5, the inner side of the strip-shaped plate 6 is in contact with the lithium battery pack 2, the strip-shaped plate 6 can move more stably through the matching of the first sliding grooves 4 and the first sliding block 5, one end of a first spring 7 is fixedly arranged on the outer side of the strip-shaped plate 6 from front to rear, the other, first spring 7 receives tensile or produces elastic deformation after the extrusion, resumes to initial condition after getting rid of external force, can make lithium cell group 2 receive the cushion effect that comes from strip shaped plate 6 under the spring action of first spring 7, and the top right side of cap 3 is provided with wiring port 16, can be with lithium cell group 2 and wiring port electric connection, and the inboard of strip shaped plate 6 is provided with clamping part, and the outer wall of casing 1 and cap 3 is provided with anti falling part.

Preferably, the clamping component comprises a second sliding chute 8, a second sliding block 9, a rectangular plate 10 and a second spring 11;

the inboard at bar 6 is seted up along the fore-and-aft direction to second spout 8, both sides all peg graft around the inner chamber of second spout 8 have a part of second slider 9, another part fixed mounting of second slider 9 has vertical rectangular plate 10 of placing, cooperation through second slider 9 and second spout 8 can make rectangular plate 10 remove more stably, the outside fixed mounting of second slider 9 has second spring 11, and the outside fixed mounting of second spring 11 is on the inside wall of second spout 8, second spring 11 is rotary spring, the elastic coefficient is 28N/CM, second spring 11 produces elastic deformation after receiving tensile or extrusion, resume to initial condition after getting rid of external force, can make lithium cell group 2 receive the cushion effect that comes from rectangular plate 9 under second spring 11's elastic force, the inboard of rectangular plate 10 and lithium cell group 2's outside extrusion contact.

Preferably, the anti-falling component comprises a screw hole 12, a screw rod 13 and a semi-circular body 14;

four corners of the bottom end of the shell 1 are inclined planes, a screw hole 12 is formed in the center position of the inclined plane of the shell 1, a screw rod 13 is fixedly mounted on the inner side of the semicircular body 14, the screw rod 13 is in threaded connection with the inner cavity of the screw hole 12, and the semicircular body 14 can be fixed on the inclined plane of the shell 1 through the matching of the screw hole 12 and the screw rod 13.

Preferably, a handle 15 is rotatably connected to the top end of the housing cover 3, and the device can be moved conveniently by providing the handle 15.

Preferably, the inner cavity of the second sliding groove 8 is shaped like a dovetail groove, and the second sliding block 9 is inserted into the inner cavity of the second sliding groove 8 in a matching manner, so that the second sliding block 9 is prevented from being separated from the inner cavity of the second sliding groove 8, and the rectangular plate 10 is more stably moved.

Preferably, the length of the inner cavity of the screw hole 12 is greater than the length of the screw 13, so that the inner side of the semicircular body 14 is in full contact with the bottom end inclined surface of the housing 1.

Preferably, the outer wall surface of the semicircular body 14 is formed in a concave-convex shape, so that the frictional force when the semicircular body 14 is in contact with the ground can be increased.

The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.

When the lithium battery pack is installed, the semicircular body 14 can be fixed at four corners of the bottom end of the shell 1 through the matching of the screw rod 13 and the screw hole 12, the lithium battery pack 2 is placed in the shell 1 and positioned between the strip-shaped plates 6 and the rectangular plate 10, the two strip-shaped plates 6 can be extruded towards the inner side to the lithium battery pack 2 under the elastic force action of the first spring 7, the strip-shaped plates 6 can be moved left and right under the limiting action of the first sliding groove 4 and the first sliding block 5 when the shell 1 is impacted, so that the lithium battery pack 2 can be buffered in the left and right direction, the rectangular plate 10 can be pushed by the second sliding block 9 to extrude the lithium battery pack 2 towards the inner side under the elastic force action of the second spring 11, so that the lithium battery pack 2 can be clamped front and back, the rectangular plate 10 can be moved back and forth under the limiting action of the second sliding groove 8 and the second sliding block 9 when the shell 1 is impacted, so that casing 1 from inside prevents falling the protection to lithium cell group 2, can avoid casing 1 to receive the damage when falling through being provided with cap 3 and half round body 14 to prevent falling the protection to casing 1's outside, so that lithium cell group 2 is safer in transportation and use, and the practicality is strong, is favorable to extensively promoting.

In the description of the present invention, it is to be understood that the terms "top end", "bottom end", "left side", "right side", "front side", "rear side", "outer wall", "inner cavity", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation; also, unless expressly stated or limited otherwise, the terms "insert," "threaded," "fixed mount," "interference fit," "disposed," and the like are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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 prevent lithium cell group shell that falls, includes casing (1), lithium cell group (2) and cap (3), the top at casing (1) is passed through screw fixed mounting in cap (3), place the inner chamber bottom at casing (1) in lithium cell group (2), its characterized in that: first spout (4) have all been seted up along left right direction at both ends about casing (1) inner chamber front and back both sides, the inner chamber of first spout (4) is pegged graft and is had some of first slider (5), another some fixed mounting of first slider (5) has bar board (6) that the fore-and-aft direction set up, and the inboard and lithium cell group (2) of bar board (6) contact, the outside of bar board (6) is in the past to the one end of equal fixed mounting first spring (7) in the back, the other end fixed mounting of first spring (7) is on the inside wall of casing (1), and the top right side of casing cap (3) is provided with wiring port (16), the inboard of bar board (6) is provided with clamping part, the outer wall of casing (1) and casing cap (3) is provided with anti part that falls.

2. The drop-resistant lithium battery pack housing of claim 1, wherein: the clamping component comprises a second sliding chute (8), a second sliding block (9), a rectangular plate (10) and a second spring (11);

the inboard at bar shaped plate (6) is seted up along the fore-and-aft direction in second spout (8), both sides all are pegged graft around the inner chamber of second spout (8) have a part of second slider (9), another part fixed mounting of second slider (9) has vertical rectangular plate (10) of placing, the outside fixed mounting of second slider (9) has second spring (11), and the outside fixed mounting of second spring (11) is on the inside wall of second spout (8), the inboard of rectangular plate (10) and the outside extrusion contact of lithium cell group (2).

3. The drop-resistant lithium battery pack housing of claim 1, wherein: the anti-falling component comprises a screw hole (12), a screw rod (13) and a semi-circular body (14);

the bottom four corners of casing (1) are the inclined plane, and are located the central point on casing (1) inclined plane and put and seted up screw (12), the inboard fixed mounting of semicircle body (14) has screw rod (13), and screw rod (13) and the inner chamber looks spiro union of screw (12).

4. The drop-resistant lithium battery pack housing of claim 1, wherein: the top end of the shell cover (3) is rotatably connected with a handle (15).

5. The drop-resistant lithium battery pack housing of claim 2, wherein: the shape of the inner cavity of the second sliding groove (8) is dovetail groove shape, and the second sliding block (9) is inserted in the inner cavity of the second sliding groove (8) in a matched mode.

6. The drop-resistant lithium battery pack housing of claim 3, wherein: the length of the inner cavity of the screw hole (12) is larger than that of the screw rod (13).

7. The drop-resistant lithium battery pack housing of claim 3, wherein: the surface of the outer wall of the semi-circular body (14) is concave-convex.