CN211350742U

CN211350742U - Portable lithium battery module of electric bicycle

Info

Publication number: CN211350742U
Application number: CN202020004174.6U
Authority: CN
Inventors: 谭家盛; 李玲玲; 刘志忠; 王贺东
Original assignee: Dalian Shengxinyuan Lithium Battery Technology Co ltd
Current assignee: Dalian Shengxinyuan Lithium Battery Technology Co ltd
Priority date: 2020-01-02
Filing date: 2020-01-02
Publication date: 2020-08-25
Anticipated expiration: 2030-01-02

Abstract

The utility model discloses an electric bicycle's portable lithium cell module relates to lithium cell module technical field, including outer box, the inside of outer box is equipped with interior box, the inside of interior box is equipped with the group battery, the top of interior box is equipped with fixed lid, the first connecting block of inner wall fixedly connected with of outer box, the outer wall fixedly connected with second connecting block of interior box, swing joint has the connecting rod between first connecting block and the second connecting block, be equipped with compression spring between outer box and the interior box. This electric bicycle's portable lithium battery module through setting up outer box and interior box, utilizes the design of double shell, avoids the group battery to take place direct collision, again under first connecting block, second connecting block, connecting rod and compression spring's mating reaction, has played the cushioning effect, has improved the life of group battery, through setting up draw-in groove and self-locking mechanism, has made things convenient for the installation and the dismantlement of group battery.

Description

Portable lithium battery module of electric bicycle

Technical Field

The utility model relates to a lithium cell module technical field specifically is an electric bicycle's portable lithium cell module.

Background

Lithium batteries are a type of battery using a nonaqueous electrolyte solution with lithium metal or a lithium alloy as a negative electrode material. Because the chemical characteristics of lithium metal are very active, the requirements on the environment for processing, storing and using the lithium metal are very high. With the development of science and technology, lithium batteries have become the mainstream nowadays.

At present, current lithium battery module is in the in-process that uses because weight is heavier itself, so be not convenient for carry, and general lithium cell is put in electric bicycle's inside, owing to gapped, produces easily and rocks, so the striking easily takes place to influence the life of lithium cell, the mounting structure of lithium battery module is single moreover, wastes time and energy when installation and dismantlement, and is not portable enough, is unfavorable for using widely.

Therefore, it is necessary to provide a portable lithium battery module for an electric bicycle to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

An object of the utility model is to provide an electric bicycle's portable lithium battery module to current lithium battery module who proposes in solving above-mentioned background art is put in electric bicycle's inside, easily takes place the striking, influences the life of lithium cell, and the mounting structure of lithium battery module is single, wastes time and energy when installation and dismantlement, problem portable inadequately.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a portable lithium battery module of an electric bicycle comprises an outer box body, wherein an inner box body is arranged inside the outer box body, a battery pack is arranged inside the inner box body, a fixing cover is arranged at the top end of the inner box body, a first connecting block is fixedly connected to the inner wall of the outer box body, a second connecting block is fixedly connected to the outer wall of the inner box body, a connecting rod is movably connected between the first connecting block and the second connecting block, a compression spring is arranged between the outer box body and the inner box body, a self-locking mechanism is fixedly connected to the top end of the inner box body, a clamping groove is formed in the edge of the bottom of the fixing cover, a mounting groove is formed inside the self-locking mechanism, a clamping piece and an adjusting rod are arranged in the mounting groove, the middle of the clamping piece is rotatably connected with the mounting groove through a fixing shaft, a return spring is fixedly connected to, the other end of the clamping piece extends out of the mounting groove, and one end of the adjusting rod extends out of the mounting groove and is fixedly connected with an anti-slip mat.

Preferably, one end of the compression spring is fixedly connected with the inner wall of the outer box body, and the other end of the compression spring is fixedly connected with the outer wall of the inner box body.

Preferably, the side wall of the inner box body is provided with heat dissipation holes, and the heat dissipation holes are fixedly connected with separation nets.

Preferably, the bottom of the outer box body is provided with a through hole.

Preferably, the mounting groove is L-shaped, and the clamping piece is perpendicular to the adjusting rod.

Preferably, one end of the adjusting rod is movably connected with a roller, and the roller is in rolling connection with the clamping piece.

Preferably, a limiting sliding groove is formed in the joint of the mounting groove and the adjusting rod, a limiting sliding block is connected in the limiting sliding groove in a sliding mode, and the limiting sliding block is fixedly connected with the adjusting rod.

(III) advantageous effects

Compared with the prior art, the utility model provides an electric bicycle's portable lithium cell module possesses following beneficial effect:

1. this electric bicycle's portable lithium battery module through setting up outer box and interior box, utilizes the design of double shell, avoids the group battery to take place direct collision, again under first connecting block, second connecting block, connecting rod and compression spring's cooperation, has played the cushioning effect, prevents that the group battery from receiving great vibrations, has played the guard action to the group battery, has improved the life of group battery.

2. This electric bicycle's portable lithium battery module through setting up draw-in groove and self-locking mechanism, has made things convenient for the installation and the dismantlement of group battery, and is more convenient when changing the group battery, and it is portable to use, and is convenient high-efficient, has improved the practicality of device.

Drawings

FIG. 1 is a schematic cross-sectional view of the outer case structure of the present invention;

FIG. 2 is a schematic sectional view of the inner box structure of the present invention;

fig. 3 is a schematic cross-sectional view of the self-locking mechanism of the present invention;

fig. 4 is a schematic front view of the box structure of the present invention.

In the figure: 1. an outer case; 2. an inner box body; 3. a battery pack; 4. a first connection block; 5. a second connecting block; 6. a connecting rod; 7. a compression spring; 8. a fixed cover; 9. a card slot; 10. a self-locking mechanism; 11. heat dissipation holes; 12. separating the net; 13. mounting grooves; 14. a fastener; 15. a fixed shaft; 16. adjusting a rod; 17. a roller; 18. a return spring; 19. a non-slip mat; 20. a limiting chute; 21. a limiting slide block; 22. and a through hole.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-4, a portable lithium battery module for an electric bicycle comprises an outer case 1, a through hole 22 is formed at the bottom of the outer case 1, water accumulation inside the outer case 1 is prevented by forming the through hole 22, an inner case 2 is arranged inside the outer case 1, a battery pack 3 is arranged inside the inner case 2, a fixing cover 8 is arranged at the top end of the inner case 2, a first connecting block 4 is fixedly connected to the inner wall of the outer case 1, a second connecting block 5 is fixedly connected to the outer wall of the inner case 2, a connecting rod 6 is movably connected between the first connecting block 4 and the second connecting block 5, a compression spring 7 is arranged between the outer case 1 and the inner case 2, one end of the compression spring 7 is fixedly connected to the inner wall of the outer case 1, the other end of the compression spring 7 is fixedly connected to the outer wall of the inner case 2, and by arranging the outer case 1 and the inner case 2, avoid the direct collision of the battery pack 3, and under the cooperation of the first connecting block 4, the second connecting block 5, the connecting rod 6 and the compression spring 7, play a role in shock absorption, prevent the battery pack 3 from being greatly vibrated, protect the battery pack 3, and prolong the service life of the battery pack 3, the side wall of the inner box 2 is provided with a heat dissipation hole 11, the heat dissipation hole 11 is internally and fixedly connected with a separation net 12, through the arrangement of the heat dissipation hole 11, ventilation can be performed, the heat dissipation rate is improved, the battery pack 3 is prevented from being overheated and exploded, the top end of the inner box 2 is fixedly connected with a self-locking mechanism 10, the bottom edge of the fixed cover 8 is provided with a clamping groove 9, the inside of the self-locking mechanism 10 is provided with a mounting groove 13, a clamping piece 14 and an adjusting rod 16 are arranged in the mounting groove 13, the middle part of the clamping piece 14 is, one end of a return spring 18, which is far away from the clamping piece 14, is fixedly connected with the mounting groove 13, the other end of the clamping piece 14 extends out of the mounting groove 13, one end of the adjusting rod 16 is movably connected with a roller 17, the roller 17 is in rolling connection with the clamping piece 14, the other end of the adjusting rod 16 extends out of the mounting groove 13 and is fixedly connected with an anti-slip mat 19, the mounting groove 13 is L-shaped, the clamping piece 14 is vertical to the adjusting rod 16, and the assembly and disassembly of the battery pack 3 are facilitated by arranging the clamping groove, the battery pack 3 is more convenient to replace, the use is portable, the use is convenient and efficient, the practicability of the device is improved, the connecting part of the mounting groove 13 and the adjusting rod 16 is provided with a limiting chute 20, a limiting slide block 21 is connected in the limiting chute 20 in a sliding way, the limiting slide block 21 is fixedly connected with the adjusting rod 16, through setting up spacing spout 20 and spacing slider 21, for adjusting pole 16 provides the activity track, guaranteed the stability of device.

The working principle is as follows: when riding or outer box 1 receives the collision, inner box 2 utilizes connecting rod 6 to rock relative outer box 1 under inertial effect, connecting rod 6 swings between first connecting block 4 and second connecting block 5, compression spring 7 at each position can receive extrusion or tensile, and then has played the effect of shock attenuation and buffering, it strikes to avoid inner box 2 inside group battery 3, when changing

group battery

3, 19 department presses down regulation pole 16 at slipmat, adjust pole 16 and utilize gyro wheel 17 to extrude fastener 14, gyro wheel 17 rolls on fastener 14, fastener 14 is rotatory along fixed

axle

15, 14 bottom inwardly directed movements of fastener and extrusion return spring 18, the top of fastener 14 outwards removes, thereby keep away from draw-in groove 9, draw-in groove 9 loses the constraint back, alright take off fixed cover 8, and then change group battery 3.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 an electric bicycle's portable lithium cell module, includes outer box (1), its characterized in that: an inner box body (2) is arranged inside the outer box body (1), a battery pack (3) is arranged inside the inner box body (2), a fixing cover (8) is arranged at the top end of the inner box body (2), a first connecting block (4) is fixedly connected to the inner wall of the outer box body (1), a second connecting block (5) is fixedly connected to the outer wall of the inner box body (2), a connecting rod (6) is movably connected between the first connecting block (4) and the second connecting block (5), a compression spring (7) is arranged between the outer box body (1) and the inner box body (2), a self-locking mechanism (10) is fixedly connected to the top end of the inner box body (2), a clamping groove (9) is formed in the bottom edge of the fixing cover (8), a mounting groove (13) is formed in the inner part of the self-locking mechanism (10), and a clamping piece (14) and an adjusting rod (16), the middle part of fastener (14) is passed through fixed axle (15) and is rotated with mounting groove (13) and be connected, the one end fixedly connected with return spring (18) of fastener (14), the one end and mounting groove (13) fixed connection that fastener (14) were kept away from in return spring (18), mounting groove (13) are stretched out to the other end of fastener (14), the one end of adjusting pole (16) stretches out mounting groove (13) and fixedly connected with slipmat (19).

2. The portable lithium battery module for electric bicycles of claim 1, wherein: one end of the compression spring (7) is fixedly connected with the inner wall of the outer box body (1), and the other end of the compression spring (7) is fixedly connected with the outer wall of the inner box body (2).

3. The portable lithium battery module for electric bicycles of claim 1, wherein: the side wall of the inner box body (2) is provided with heat dissipation holes (11), and the heat dissipation holes (11) are internally and fixedly connected with separation nets (12).

4. The portable lithium battery module for electric bicycles of claim 1, wherein: the bottom of the outer box body (1) is provided with a through hole (22).

5. The portable lithium battery module for electric bicycles of claim 1, wherein: the mounting groove (13) is L-shaped, and the clamping piece (14) is perpendicular to the adjusting rod (16).

6. The portable lithium battery module for electric bicycles of claim 1, wherein: one end of the adjusting rod (16) is movably connected with a roller (17), and the roller (17) is in rolling connection with the clamping piece (14).

7. The portable lithium battery module for electric bicycles of claim 1, wherein: the connecting part of the mounting groove (13) and the adjusting rod (16) is provided with a limiting sliding groove (20), a limiting sliding block (21) is connected in the limiting sliding groove (20) in a sliding mode, and the limiting sliding block (21) is fixedly connected with the adjusting rod (16).