CN215869644U

CN215869644U - Lithium battery module fixing device

Info

Publication number: CN215869644U
Application number: CN202121947124.2U
Authority: CN
Inventors: 金泽华; 侯杰; 史俊杰
Original assignee: Anhui Jiamao Power Technology Co ltd
Current assignee: Anhui Jiamao Power Technology Co ltd
Priority date: 2021-08-19
Filing date: 2021-08-19
Publication date: 2022-02-18
Anticipated expiration: 2031-08-19

Abstract

The utility model discloses a lithium battery module fixing device which comprises a base and an installation frame arranged at the top of the base, wherein a cross beam is fixed between two sides of the inner wall of the installation frame, a lithium battery fixing mechanism is arranged between the cross beam and the installation frame, a damping mechanism is arranged between the base and the installation frame, and the lithium battery fixing mechanism comprises a rotating shaft rotatably connected to the bottom of the cross beam and aluminum clamping plates slidably connected to two sides of the top of the installation frame. This lithium battery module fixing device, through lithium battery fixing mechanism's setting, be convenient for fix lithium battery module fast, degree of automation is high, and through a cylinder alright realize fixed, use cost is little, through the setting of supplementary heat dissipation mechanism, be convenient for when fixed lithium battery module, can also adsorb the heat on lithium battery module surface fast for lithium battery module's radiating efficiency can prolong lithium battery module's life to a certain extent.

Description

Lithium battery module fixing device

Technical Field

The utility model relates to the technical field of lithium batteries, in particular to a fixing device for a lithium battery module.

Background

Most of the existing lithium batteries are 18650 lithium batteries, 26650 lithium batteries, aluminum-shell square lithium batteries, soft package lithium batteries and the like. The current lithium cell adopts hard plastic to fix more, prevents that the structure is loose, perhaps a plurality of lithium cells are assembled side by side and are placed, are formed modular lithium cell group by metal support is fixed, and lithium cell inner structure seals, mainly relies on the side to dispel the heat.

The conventional lithium battery module fixing device is mostly fixed manually, the automation degree is high, the heat dissipation effect is poor after the fixing is generally carried out, the fixing device is mostly protected by adopting springs for shock absorption, and the springs are prone to losing elasticity after the fixing device is used for a long time, so that the shock absorption effect of the lithium battery module is influenced.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a lithium battery module fixing device, which solves the problems that the conventional lithium battery module fixing device is mostly manually fixed, the automation degree is high, the heat dissipation effect is poor after the fixing is generally carried out, the fixing device is mostly protected by adopting springs for shock absorption, and the springs are easy to lose elasticity after the fixing device is used for a long time, so that the shock absorption effect of the lithium battery module is influenced.

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a lithium battery module fixing device, includes the base and sets up the installing frame at the base top, be fixed with the crossbeam between the both sides of installing frame inner wall, be provided with lithium cell fixed establishment between crossbeam and the installing frame, be provided with damper between base and the installing frame.

Lithium cell fixed establishment is including rotating the aluminium system splint of connection in the pivot of crossbeam bottom and sliding connection in installing frame top both sides, the fixed surface of pivot has the carousel, the bottom mounting of crossbeam has the push cylinder, the fixed surface of pivot has drive gear, the fixed surface of push cylinder has the rack that meshes with drive gear mutually, two the bottom of aluminium system splint all is fixed with L type sheet metal, two the surface of L type sheet metal all rotates installs the pulling piece, two the surface of pulling piece all rotates with the bottom of carousel and is connected, two pulling piece axial symmetry sets up, two all be provided with supplementary heat dissipation mechanism on the aluminium system splint.

Preferably, supplementary heat dissipation mechanism is including fixing the inboard graphite alkene rigging board at aluminium system splint, first through-hole has been seted up in the side of graphite alkene rigging board run through.

Preferably, a second through hole communicated with the first through hole is formed in the inner side of the aluminum clamping plate in a penetrating mode, and the outer side of the aluminum clamping plate is fixedly provided with the radiating fins.

Preferably, the damping mechanism comprises a sleeve fixed at the top of the base, and the inner wall of the sleeve is connected with a connecting rod in a sliding manner.

Preferably, the top end of the connecting rod is fixedly connected with the bottom of the mounting frame, a first magnetic block is fixed on the inner wall of the sleeve, and a second magnetic block matched with the first magnetic block for use is fixed at the bottom end of the connecting rod.

Preferably, the sides, close to each other, of the first magnetic block and the second magnetic block are like magnetic poles, and the damping mechanism is provided with multiple groups.

Advantageous effects

The utility model provides a fixing device for a lithium battery module. Compared with the prior art, the method has the following beneficial effects:

(1) this lithium battery module fixing device, through rotating the pivot of connecting in the crossbeam bottom and the aluminium system splint of sliding connection in installing frame top both sides at lithium battery fixing mechanism including, the fixed surface of pivot has the carousel, the bottom of crossbeam is fixed with push cylinder, the fixed surface of pivot has drive gear, push cylinder's fixed surface has the rack with drive gear engaged with, the bottom of two aluminium system splint all is fixed with L type sheet metal, the surface of two L type sheet metals is all rotated and is installed the pulling piece, setting through lithium battery fixing mechanism, be convenient for fix the lithium battery module fast, do not need manual fixed, degree of automation is high, and through a cylinder alright realize fixedly, use cost is little.

(2) This lithium battery module fixing device, through construct including fixing at the inboard graphite alkene attaching plate of aluminium system splint at supplementary heat dissipation, the side of graphite alkene attaching plate runs through and has seted up first through-hole, the inboard of aluminium system splint runs through and sets up the second through-hole that is linked together with first through-hole, the outside of aluminium system splint is fixed with heat radiation fins, through the setting of supplementary heat dissipation mechanism, be convenient for when fixed to lithium battery module, can also adsorb the surperficial heat of lithium battery module fast, accelerate lithium battery module's radiating efficiency, can prolong lithium battery module's life to a certain extent.

(3) This lithium battery module fixing device, through including fixing the sleeve at the base top at damper, telescopic inner wall sliding connection has the connecting rod, the top of connecting rod and the bottom fixed connection of installing frame, telescopic inner wall is fixed with first magnetic path, through damper's setting, can replace the spring to use, utilizes the repulsion between the magnetic pole to carry out the shock attenuation, and life is longer.

Drawings

FIG. 1 is a perspective view of the structure of the present invention;

FIG. 2 is a perspective view of a partial structure of a lithium battery fixing mechanism according to the present invention;

fig. 3 is a schematic view of the structure of the shock-absorbing mechanism of the present invention.

In the figure: the device comprises a base 1, a mounting frame 2, a cross beam 3, a lithium battery fixing mechanism 4, a rotating shaft 41, an aluminum clamping plate 42, an auxiliary heat dissipation mechanism 42, a graphene attaching plate 11, a first through hole 42, a first through hole 12, a second through hole 42, a second through hole 13, a heat dissipation fin 42, a heat dissipation fin 14, a rotating disc 43, a pushing cylinder 44, a driving gear 45, a rack 46, a thin plate 47, an L-shaped plate 48, a pulling block 5, a damping mechanism 51, a sleeve 52, a connecting rod 53, a first magnetic block and a second magnetic block 54.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within 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 module fixing device, includes base 1 and the installing frame 2 of setting at base 1 top, is fixed with crossbeam 3 between the both sides of 2 inner walls of installing frame, is provided with lithium cell fixed establishment 4 between crossbeam 3 and the installing frame 2, is provided with damper 5 between base 1 and the installing frame 2.

Lithium battery fixing mechanism 4 includes rotating shaft 41 and the aluminium splint 42 of sliding connection in the both sides of installing frame 2 top of rotation connection in crossbeam 3 bottom, has strong heat conductivity, the fixed surface of rotating shaft 41 has carousel 43, the bottom of crossbeam 3 is fixed with push cylinder 44, control through control switch with external power supply electric connection, the fixed surface of rotating shaft 41 has drive gear 45, the fixed surface of push cylinder 44 has rack 46 with drive gear 45 engaged with, the bottom of two aluminium splint 42 all is fixed with L type sheet metal 47, the surface of two L type sheet metals 47 all rotates installs pulling block 48, the surface of two pulling blocks 48 all rotates with the bottom of carousel 43 to be connected, two pulling blocks 48 axisymmetric sets up, all be provided with supplementary heat dissipation mechanism 42-1 on two aluminium splint 42.

The auxiliary heat dissipation mechanism 42-1 comprises a graphene attaching plate 42-11 fixed on the inner side of the aluminum clamping plate 42, the graphene attaching plate is made of graphene materials and has high heat conductivity, a first through hole 42-12 penetrates through the side face of the graphene attaching plate 42-11, air can be in contact with the side face of the lithium battery module by matching with a second through hole 42-13, the heat dissipation efficiency of the lithium battery module is improved, a second through hole 42-13 communicated with the first through hole 42-12 penetrates through the inner side of the aluminum clamping plate 42, and heat dissipation fins 42-14 are fixed on the outer side of the aluminum clamping plate 42.

The damping mechanism 5 comprises a sleeve 51 fixed at the top of the base 1, a connecting rod 52 is connected to the inner wall of the sleeve 51 in a sliding mode, the top end of the connecting rod 52 is fixedly connected with the bottom of the mounting frame 2, a first magnetic block 53 is fixed to the inner wall of the sleeve 51, a second magnetic block 54 matched with the first magnetic block 53 for use is fixed to the bottom end of the connecting rod 52, the first magnetic block 53 and the second magnetic block 54 are of like magnetic poles on the side close to each other, the springs are replaced by mutual repulsive force between the like magnetic poles, and multiple groups of damping mechanisms 5 are arranged.

And those not described in detail in this specification are well within the skill of those in the art.

During operation, a lithium battery module is placed on the top of the mounting frame 2, then the pushing cylinder 44 is started, the pushing cylinder 44 extends, the rack 46 and the driving gear 45 drive the rotating shaft 41 to rotate counterclockwise (in a plan view), the rotating disc 43 is driven to rotate counterclockwise, the two pulling blocks 48 simultaneously pull the two L-shaped thin plates 47, the two aluminum clamping plates 42 approach each other and slide, the two graphene attaching plates 42-11 are attached to the surface of the lithium battery module, the lithium battery module is fixed, heat generated by the lithium battery module is transferred to the aluminum clamping plates 42 through the graphene attaching plates 42-11 and is dissipated through the heat dissipating fins 42-14, external air contacts with the side faces of the lithium battery module through the first through holes 42-12 and the second through holes 42-13, heat dissipation of the lithium battery module is accelerated, and the lithium battery module slides inside the sleeve 51 through the connecting rod 52, so that the repulsive force between the first and second

magnetic blocks

53 and 54 is absorbed instead of a spring.

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.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a lithium battery module fixing device, includes base (1) and installation frame (2) of setting at base (1) top, its characterized in that: a cross beam (3) is fixed between two sides of the inner wall of the mounting frame (2), a lithium battery fixing mechanism (4) is arranged between the cross beam (3) and the mounting frame (2), and a damping mechanism (5) is arranged between the base (1) and the mounting frame (2);

the lithium battery fixing mechanism (4) comprises a rotating shaft (41) which is rotatably connected to the bottom of the cross beam (3) and aluminum clamping plates (42) which are connected to the two sides of the top of the mounting frame (2) in a sliding manner, a turntable (43) is fixed on the surface of the rotating shaft (41), a pushing cylinder (44) is fixed at the bottom of the cross beam (3), the fixed surface of pivot (41) has drive gear (45), the fixed surface that promotes cylinder (44) has rack (46) with drive gear (45) looks meshing, two the bottom of aluminium splint (42) all is fixed with L type sheet metal (47), two the surface of L type sheet metal (47) all rotates and installs pulling block (48), two the surface of pulling block (48) all rotates with the bottom of carousel (43) and is connected, two pulling block (48) axisymmetric sets up, two all be provided with supplementary heat dissipation mechanism (42-1) on aluminium splint (42).

2. The lithium battery module fixing device as claimed in claim 1, wherein: the auxiliary heat dissipation mechanism (42-1) comprises a graphene attaching plate (42-11) fixed on the inner side of the aluminum clamping plate (42), and a first through hole (42-12) is formed in the side face of the graphene attaching plate (42-11) in a penetrating mode.

3. The lithium battery module fixing device as claimed in claim 2, wherein: second through holes (42-13) communicated with the first through holes (42-12) are formed in the inner side of the aluminum clamping plate (42) in a penetrating mode, and heat dissipation fins (42-14) are fixed on the outer side of the aluminum clamping plate (42).

4. The lithium battery module fixing device as claimed in claim 1, wherein: the damping mechanism (5) comprises a sleeve (51) fixed to the top of the base (1), and a connecting rod (52) is connected to the inner wall of the sleeve (51) in a sliding mode.

5. The lithium battery module fixing device as claimed in claim 4, wherein: the top end of the connecting rod (52) is fixedly connected with the bottom of the mounting frame (2), a first magnetic block (53) is fixed on the inner wall of the sleeve (51), and a second magnetic block (54) matched with the first magnetic block (53) for use is fixed at the bottom end of the connecting rod (52).

6. The lithium battery module fixing device as claimed in claim 5, wherein: one side of the first magnetic block (53) and one side of the second magnetic block (54) close to each other are of like magnetic poles, and a plurality of groups of damping mechanisms (5) are arranged.