CN216850158U

CN216850158U - Housing for traction motor battery of electric vehicle

Info

Publication number: CN216850158U
Application number: CN202220324835.2U
Authority: CN
Inventors: 何文立
Original assignee: Henan Zhongdi New Energy Technology Co ltd
Current assignee: Henan Zhongdi New Energy Technology Co ltd
Priority date: 2022-02-17
Filing date: 2022-02-17
Publication date: 2022-06-28
Anticipated expiration: 2032-02-17

Abstract

The utility model provides a shell for electric vehicle's traction motor battery belongs to electric vehicle battery technical field, this shell for electric vehicle's traction motor battery, including the top casing that is provided with the opening, the inside of casing is provided with the lithium cell, the inside of casing is provided with the lifting unit who is located the lithium cell bottom, the lithium cell can make lifting unit move down through self gravity, the bottom of casing sets up the elastic component that is used for lifting unit to reset, the inner wall of casing articulates through first connecting rod has the clamp block, first connecting rod rotates to be connected on the inner wall of casing; at first, the lithium battery is placed on the lifting assembly from the opening of the shell, the lifting assembly can be driven to move downwards through the self weight of the lithium battery, and the extrusion block can be driven to fix the lithium battery through the driving assembly on the lifting assembly, so that the collision between the battery and the shell can be effectively avoided, and the service life of the lithium battery is prolonged.

Description

Housing for traction motor battery of electric vehicle

Technical Field

The utility model belongs to the technical field of electric motor car battery, concretely relates to shell for electric vehicle's traction motor battery.

Background

In the current society, lithium batteries are applied to various fields, the development and the application of the lithium batteries are widely developed, particularly in the field of electric vehicles, the lithium batteries are used as power sources, and the lithium batteries directly influence the use of the electric vehicles.

The battery module and the shell that current electric motor car battery generally comprises a plurality of lithium cells constitute, but current lithium cell installation shell can have the clearance in the shell usually, when the electric motor car shakes the shell, the lithium cell produced the collision with the shell easily, and long-time collision causes the damage of lithium cell easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shell for electric vehicle's traction motor battery, the shell of the traction motor battery who aims at solving electric vehicle among the prior art is not firm enough to the ann commentaries on classics of lithium cell, makes the lithium cell produce the collision with the shell easily when the vehicle shakes to lead to the easy problem of damaging of lithium cell easily.

In order to achieve the above object, the utility model provides a following technical scheme: a housing for a traction motor battery of an electric vehicle, comprising: the top is provided with open-ended casing, the inside of casing is provided with the lithium cell, the inside of casing is provided with the lifting unit who is located the lithium cell bottom, lithium cell accessible self gravity makes lifting unit move down, the bottom of casing sets up the elastic component that is used for lifting unit to reset, the inner wall of casing articulates through first connecting rod has tight piece of clamp, first connecting rod rotates and connects on the inner wall of casing, last drive assembly who is provided with the tight piece of drive clamp and carries out the lithium cell and fix of lifting unit, the opening part of casing is provided with the top cap, be provided with the push down subassembly that moves the lithium cell down on the top cap.

In order to make this a shell for electric vehicle's traction motor battery have the effect that the tight piece of drive clamp is fixed to the lithium cell, do the utility model discloses it is preferred, drive assembly includes the montant of fixed connection on elevating assembly, states the montant and can drive first connecting rod through elevating assembly's decline and rotate, the spout has been seted up to the inside of first connecting rod, fixedly connected with slides at the inside traveller of spout on the montant, first connecting rod is close to the one end of pressing from both sides tight piece and is located the top of first connecting rod and the articulated department of casing.

In order to make this a shell for electric vehicle's traction motor battery have the effect that the tight piece of drive clamp is fixed to the lithium cell, as the utility model discloses it is preferred, lifting unit slides at the inside lifter plate of casing from top to bottom including, two second connecting rods are no less than to the bottom handing-over of lifter plate, are no less than two the one end that the lifter plate was kept away from to the second connecting rod articulates there is the slider, is no less than two the slider slides in the bottom of casing, is no less than two the slider all slides towards different directions.

In order to make this a shell for electric vehicle's traction motor battery have the effect of further fixing the lithium cell, as the utility model discloses it is preferred, the subassembly that pushes down includes the screw thread post of threaded connection on the top cap, the bottom of screw thread post is rotated and is connected with the turning block, the top of screw thread post is provided with the rolling disc.

In order to make this a shell for traction motor battery of electric vehicle have portable's effect, as the utility model discloses preferred, be provided with the handle that is used for mentioning the top cap on the rolling disc.

In order to make this a shell for electric vehicle's traction motor battery have the effect that improves the leakproofness, as the utility model discloses it is preferred, casing open-ended edge is provided with the arch, be provided with on the top cap with the recess of protruding adaptation, be provided with the sealing washer between casing and the top cap.

In order to make this a shell for electric vehicle's traction motor battery have the effect of avoiding the lithium cell to collide with the injury, conduct the utility model discloses preferred, lifter plate and the one side that presss from both sides tight piece and be close to the lithium cell all are provided with the rubber pad.

As the utility model discloses preferred, the elastic component is compression spring.

In order to make this a shell for electric vehicle's traction motor battery have the effect of fixed top cap, do the utility model discloses preferred, be provided with on the casing and be used for carrying out the hasp fixed with the top cap.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this a shell for electric vehicle's traction motor battery at first puts the lithium cell on lifting unit from the opening part of casing, can drive lifting unit downstream through the dead weight of lithium cell, can drive the extrusion piece through the last drive assembly of lifting unit to fix the lithium cell to can effectually avoid the collision between battery and the shell, improve the life-span of lithium cell.

2. This a shell for electric vehicle's traction motor battery sets up the stability that the second connecting rod can improve the lifter plate through the bottom at the lifter plate, avoids the lifter plate to rock, through set up the push-down subassembly on the top cap, can prevent that the lithium cell from reciprocating, can effectually improve the stability of lithium cell.

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, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic front view of an embodiment of the present invention;

FIG. 3 is an axial cross-sectional view taken along line A-A of FIG. 2;

fig. 4 is a schematic diagram of the internal structure of an embodiment of the present invention;

fig. 5 is an enlarged schematic view of the structure at a in fig. 3.

In the figure: 1. a housing; 2. a lithium battery; 3. a lifting assembly; 31. a lifting plate; 32. a second link; 33. a slider; 4. an elastic member; 5. a first link; 6. a clamping block; 7. a drive assembly; 71. a vertical rod; 72. a chute; 73. a traveler; 8. a top cover; 9. pressing the assembly; 91. a threaded post; 92. rotating the block; 93. rotating the disc; 10. a handle; 11. a protrusion; 12. a groove; 13. a seal ring; 14. and (7) a rubber pad.

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. 1-5, the present invention provides the following technical solutions: a housing for a traction motor battery of an electric vehicle, comprising: the top is provided with open-ended casing 1, casing 1's inside is provided with lithium cell 2, casing 1's inside is provided with the lifting unit 3 that is located lithium cell 2 bottom, lithium cell 2 accessible self gravity makes lifting unit 3 downstream, casing 1's bottom sets up the elastic component 4 that is used for lifting unit 3 to reset, casing 1's inner wall articulates through first connecting rod 5 has tight piece 6 of clamp, first connecting rod 5 rotates to be connected on casing 1's inner wall, last being provided with the tight piece 6 of drive clamp of lifting unit 3 carries out the drive assembly 7 that fixes lithium cell 2, casing 1's opening part is provided with top cap 8, be provided with the push-down subassembly 9 that moves lithium cell 2 down on top cap 8.

The utility model discloses an in the concrete embodiment, at first put lithium cell 2 on elevating module 3 from casing 1's opening part, dead weight through lithium cell 2 can drive elevating module 3 downstream, drive assembly 7 on elevating module 3 can make first connecting rod 5 rotate, rotation through first connecting rod 5 can drive extrusion piece 6 and fix lithium cell 2, thereby can effectually avoid the collision between battery and the shell, the life-span of lithium cell has been improved, through setting up push down subassembly 9 on top cap 8, can prevent that lithium cell 2 from reciprocating, can effectually improve the stability of lithium cell.

Specifically, drive assembly 7 includes montant 71 of fixed connection on lifting unit 3, montant 71 can drive first connecting rod 5 through lifting unit 3's decline and rotate, spout 72 has been seted up to the inside of first connecting rod 5, fixedly connected with slides at the inside traveller 73 of spout 72 on montant 71, first connecting rod 5 is close to the one end that presss from both sides tight piece 6 and is located the top of first connecting rod 5 and the articulated department of casing 1, it descends to drive montant 71 through lifting unit 3, can make traveller 73 slide in the inside of spout 72, make traveller 73 drive first connecting rod 5 upset simultaneously.

It is specific, lifting unit 3 slides at the inside lifter plate 31 of casing 1 including from top to bottom, the bottom handing-over of lifter plate 31 is no less than two second connecting rods 32, it has slider 33 to be no less than that the one end that two second connecting rods 32 kept away from lifter plate 31 articulates, it slides in the bottom of casing 1 to be no less than two slider 33, it all slides towards different directions to be no less than two slider 33, self gravity through lithium cell 2 can press lifter plate 31 downstream, lifter plate 31's removal can make second connecting rod 32 drive slider 33 slide in casing 1's bottom, link the stability that can improve lifter plate 31 through the second.

Specifically, the push-down assembly 9 includes threaded post 91 of threaded connection on top cap 8, and threaded post 91's bottom is rotated and is connected with turning block 92, and threaded post 91's top is provided with rolling disc 93, through, can drive threaded post 91 through rolling disc 93 and rotate, can transfer turning block 92 through threaded post 91's rotation and remove to can make turning block 92 and lithium cell 2 offset, and then can fix lithium cell 2.

Further, the rotating disk 93 is provided with a handle 10 for lifting the top cover 8, and the rotating disk 93 can be more conveniently lifted by the handle 10.

Further, the edge of the opening of the shell 1 is provided with a protrusion 11, the top cover 8 is provided with a groove 12 matched with the protrusion 11, a sealing ring 13 is arranged between the shell 1 and the top cover 8, and the sealing performance of the device can be improved by arranging the sealing ring 13.

Further, the lifting plate 31 and one side of the clamping block 6 close to the lithium battery 2 are provided with rubber pads 14, and the collision damage of the lithium battery 2 can be avoided by arranging the rubber pads 14.

Preferably, the elastic member 4 is a compression spring.

Further, a lock catch for fixing the top cover 8 is arranged on the housing 1.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A housing for a traction motor battery of an electric vehicle, comprising: a shell (1) with an opening is arranged above the shell, a lithium battery (2) is arranged inside the shell (1), a lifting component (3) positioned at the bottom of the lithium battery (2) is arranged in the shell (1), the lithium battery (2) can make the lifting component (3) move downwards through the self gravity, the bottom of the shell (1) is provided with an elastic piece (4) for resetting the lifting component (3), the inner wall of the shell (1) is hinged with a clamping block (6) through a first connecting rod (5), the first connecting rod (5) is rotationally connected to the inner wall of the shell (1), the lifting assembly (3) is provided with a driving assembly (7) for driving the clamping block (6) to fix the lithium battery (2), the opening part of casing (1) is provided with top cap (8), be provided with on top cap (8) and push down subassembly (9) that move lithium cell (2) downwards.

2. The housing for a traction motor battery of an electric vehicle according to claim 1, characterized in that: drive assembly (7) include montant (71) of fixed connection on lifting unit (3), montant (71) can drive first connecting rod (5) through the decline of lifting unit (3) and rotate, spout (72) have been seted up to the inside of first connecting rod (5), fixedly connected with slides at inside traveller (73) of spout (72) on montant (71), one end that first connecting rod (5) are close to tight piece (6) of clamp is located the top of first connecting rod (5) and casing (1) articulated department.

3. The housing for a traction motor battery of an electric vehicle according to claim 1, characterized in that: lifting unit (3) slide at inside lifter plate (31) of casing (1) including from top to bottom, the bottom cross-over of lifter plate (31) has and is no less than two second connecting rods (32), is no less than two the one end that lifter plate (31) were kept away from in second connecting rod (32) articulates there is slider (33), is no less than two slider (33) slide in the bottom of casing (1), be no less than two slider (33) all slides towards different directions.

4. The housing for a traction motor battery of an electric vehicle according to claim 1, characterized in that: the pressing component (9) comprises a threaded column (91) which is in threaded connection with the top cover (8), a rotating block (92) is rotatably connected to the bottom of the threaded column (91), and a rotating disc (93) is arranged above the threaded column (91).

5. The housing for a traction motor battery of an electric vehicle according to claim 4, characterized in that: the rotating disc (93) is provided with a handle (10) for lifting the top cover (8).

6. The housing for a traction motor battery of an electric vehicle according to claim 1, characterized in that: the edge of the opening of the shell (1) is provided with a protrusion (11), the top cover (8) is provided with a groove (12) matched with the protrusion (11), and a sealing ring (13) is arranged between the shell (1) and the top cover (8).

7. The housing for a traction motor battery of an electric vehicle according to claim 3, characterized in that: and rubber pads (14) are arranged on the lifting plate (31) and one side of the clamping block (6) close to the lithium battery (2).

8. The housing for a traction motor battery of an electric vehicle according to claim 1, characterized in that: the elastic piece (4) is a compression spring.

9. The housing for a traction motor battery of an electric vehicle according to any one of claims 1 to 8, wherein: the shell (1) is provided with a lock catch used for fixing the top cover (8).