CN216773422U

CN216773422U - Battery pack with lower bottom shell reinforcing and damping structure

Info

Publication number: CN216773422U
Application number: CN202220110046.9U
Authority: CN
Inventors: 金新华; 杭志方
Original assignee: Suzhou Weifang Electronics Co ltd
Current assignee: Suzhou Weifang Electronics Co ltd
Priority date: 2022-01-17
Filing date: 2022-01-17
Publication date: 2022-06-17
Anticipated expiration: 2032-01-17

Abstract

The utility model discloses a battery pack with a lower bottom shell reinforced damping structure, which relates to the technical field of battery packs and comprises a lower shell, a bottom plate, an inner plate and a plurality of bases, wherein the bottom plate is slidably sleeved in the lower shell, the inner plate is slidably connected to the bottom plate, the bases are fixedly arranged on the inner wall of the bottom of the lower shell, a damping mechanism is arranged on each base, a buffer mechanism is arranged on each inner plate, the damping mechanism is used for damping and protecting the battery pack, and the buffer mechanism is used for buffering and protecting the battery pack; the damping mechanism comprises a sleeve fixedly mounted on the base. The battery pack limiting device can limit the battery pack within a certain range, can adapt to the battery packs with different sizes within a certain range, improves the practicability of the lower shell, can protect the outer side of the battery pack when vibration occurs, avoids the damage of the battery pack due to vibration, ensures the use stability of the battery pack, and prolongs the service life of the battery pack.

Description

Battery pack with lower bottom shell reinforcing and damping structure

Technical Field

The utility model relates to the technical field of battery packs, in particular to a battery pack with a lower bottom shell reinforced damping structure.

Background

The battery pack generally refers to a combined battery, mainly refers to the processing and assembling of a lithium battery pack, and is a product which is combined and processed into a customer requirement through a battery packaging process, such as an electric core, a battery protection plate, a battery connecting sheet, label paper and the like, and is used for storing the electric core, prolonging the service life of the electric core and being very wide in use.

The battery package that has now generally has metal casing, and it is undertaking the responsibility of protection battery package module, but when taking place vibrations, metal casing can take the battery package to shake together, can not protect the outside of battery package to make the battery package because the collision takes place to damage, just because lack damper, it is not good to lead to the stability that the battery package used, thereby reduced the life of battery package consequently, this application provides a battery package with lower drain pan and strengthens shock-absorbing structure and satisfies the demand.

SUMMERY OF THE UTILITY MODEL

The battery pack with the lower bottom shell reinforcing and damping structure can be limited within a certain range, can adapt to battery packs of different sizes within a certain range, improves the practicability of the lower shell, can protect the outer side of the battery pack when in vibration, avoids damage to the battery pack due to vibration, ensures the use stability of the battery pack, and prolongs the service life of the battery pack.

In order to achieve the above purpose, the present application provides the following technical solutions: a battery pack with a lower bottom shell reinforced damping structure comprises a lower shell, a bottom plate which is slidably sleeved in the lower shell, an inner plate which is slidably connected to the bottom plate, and a plurality of bases which are fixedly arranged on the inner wall of the bottom of the lower shell, wherein a damping mechanism is arranged on each base, a buffering mechanism is arranged on each inner plate, the damping mechanism is used for damping and protecting the battery pack, and the buffering mechanism is used for buffering and protecting the battery pack;

the damping mechanism comprises a sleeve fixedly mounted on the base, a pressing plate is sleeved in the sleeve in a sliding mode, the top of the pressing plate is fixedly connected with a connecting column, the top of the connecting column is fixedly connected with a top plate, a damping spring sleeved on the outer ring of the connecting column is fixedly connected onto the top plate, the other end of the damping spring is fixedly connected with the top of the sleeve, and a plurality of disc springs are fixedly connected between the top of the top plate and the base;

buffer gear includes a plurality of buffer spring of fixed mounting on the inner panel lateral wall, fixedly connected with a plurality of buffering gasbag on the bottom plate, the fixed cover has connect the trachea between the buffering gasbag, a plurality of guard hole has been seted up on the inner panel.

Preferably, the two sides of the inner plate are fixedly connected with fixing plates, and one side of each fixing plate, which is close to each other, is fixedly connected with a limiting spring.

Preferably, the lower shell is fixedly connected with a plurality of mounting blocks, and the mounting blocks are provided with mounting holes.

Preferably, the base is provided with a plurality of assembling holes, and the outer ring of the sleeve is provided with a plurality of air holes.

Preferably, the inner walls of the two sides of the lower shell are provided with first sliding grooves, the first sliding grooves are sleeved with first sliding blocks in a sliding mode, and the two sides of the bottom plate are fixedly connected with the first sliding blocks respectively.

Preferably, four second sliding grooves are formed in the top of the bottom plate, second sliding blocks are sleeved in the second sliding grooves in a sliding mode, and the bottom of the inner plate is fixedly connected with the tops of the second sliding blocks.

In conclusion, the technical effects and advantages of the utility model are as follows:

1. the battery pack is reasonable in structure, and through the structures of the limiting springs, the inner plates and the like, the battery pack is placed between the inner plates, the limiting springs and the two inner plates can limit the battery pack within a certain range, meanwhile, the battery pack can adapt to battery packs with different sizes within a certain range, and the practicability of the lower shell is improved;

2. according to the utility model, through the structures of the buffer air bag, the air pipe, the buffer spring, the inner plate and the like, when left and right vibration occurs, the battery pack extrudes the inner plate, so that the limit spring is stretched to simultaneously extrude the buffer spring on one side, meanwhile, the buffer air bag is matched with the air pipe to buffer the battery pack, meanwhile, in the buffering process, a part of the buffer air bag contracts, and gas in the buffer air bag flows into other buffer air bags through the air pipe, so that the other buffer air bags expand to be abutted against the battery pack, the outer side of the battery pack is protected, and the battery pack is prevented from being damaged due to vibration;

3. according to the utility model, through the structures of the bottom plate, the top part, the damping spring, the disc spring and the like, when the up-and-down vibration occurs, the bottom plate extrudes the connecting column through the top plate, so that the pressing plate moves in the sleeve, and meanwhile, the damping spring and the disc spring are compressed, so that the battery pack is further damped, the use stability of the battery pack is ensured, and the service life of the battery pack is prolonged.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

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

FIG. 2 is a schematic view showing the internal structure of the lower case of the present invention;

FIG. 3 is a cross-sectional view of the lower housing of the present invention;

fig. 4 is a schematic diagram of the explosive structure of the damping mechanism of the present invention.

In the figure: 1. a lower housing; 2. an inner plate; 3. a buffer air bag; 4. a buffer spring; 5. a base plate; 6. a limiting spring; 7. a fixing plate; 8. an air tube; 9. a base; 10. a top plate; 11. connecting columns; 12. pressing a plate; 13. a damping spring; 14. a disc spring; 15. a sleeve.

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.

Example (b): referring to fig. 1-4, a battery pack with a reinforced shock-absorbing structure of a lower bottom shell includes a lower housing 1, a bottom plate 5 slidably sleeved in the lower housing 1, an inner plate 2 slidably connected to the bottom plate 5, and a plurality of bases 9 fixedly mounted on the inner wall of the bottom of the lower housing 1, wherein the bases 9 are provided with shock-absorbing mechanisms, the inner plate 2 is provided with a buffer mechanism, the shock-absorbing mechanisms are used for shock-absorbing protection of the battery pack, and the buffer mechanism is used for buffer protection of the battery pack;

the damping mechanism comprises a sleeve 15 fixedly mounted on a base 9, a pressing plate 12 is sleeved in the sleeve 15 in a sliding mode, the top of the pressing plate 12 is fixedly connected with a connecting column 11, the top of the connecting column 11 is fixedly connected with a top plate 10, a damping spring 13 sleeved on the outer ring of the connecting column 11 is fixedly connected to the top plate 10, the other end of the damping spring 13 is fixedly connected with the top of the sleeve 15, a plurality of disc springs 14 are fixedly connected between the top of the top plate 10 and the base 9, when vertical vibration occurs, the connecting column 11 is extruded by a bottom plate 5 through the top plate 10, the pressing plate 12 moves in the sleeve 15, the damping spring 13 and the disc springs 14 are compressed at the same time, the battery pack is further damped, the use stability of the battery pack is guaranteed, and the service life of the battery pack is prolonged;

the buffer mechanism comprises a plurality of buffer springs 4 fixedly mounted on the side wall of the inner plate 2, a plurality of buffer airbags 3 are fixedly connected to the bottom plate 5, an air pipe 8 is fixedly sleeved between the buffer airbags 3, a plurality of protection holes are formed in the inner plate 2, when left and right vibration occurs, the battery pack extrudes the inner plate 2, so that the limit spring 6 is stretched to simultaneously extrude the buffer spring 4 on one side, meanwhile, the buffer airbags 3 are matched with the air pipe 8 to buffer the battery pack, meanwhile, in the buffer process, a part of the buffer airbags 3 shrink, gas in the buffer airbags flows into other buffer airbags 3 through the air pipe 8, other buffer airbags 3 expand, and therefore a part of the buffer airbags 3 penetrates through the protection holes to be abutted against the battery pack, the outer side of the battery pack is protected, and the battery pack is prevented from being damaged due to vibration;

in this embodiment, the equal fixedly connected with fixed plate 7 in both sides of inner panel 2, the spacing spring 6 of one side fixedly connected with that fixed plate 7 is close to each other can carry on spacingly to the battery package in the certain limit through spacing spring 6 and two inner panels 2, can adapt to the not unidimensional battery package of certain limit simultaneously, improves casing 1's practicality down.

In this embodiment, a plurality of installation piece is fixedly connected to lower casing 1, has seted up the mounting hole on the installation piece, and one end through screw or bolt passes the mounting hole and installs lower casing 1 in suitable position.

In this embodiment, seted up a plurality of pilot hole on the base 9, the one end through screw or bolt passes the pilot hole and installs base 9 on casing 1 down, and a plurality of bleeder vent has been seted up to sleeve 15's outer lane, avoids causing sleeve 15 to appear the crack because atmospheric pressure is too big in the extrusion process.

In this embodiment, the inner walls of the two sides of the lower casing 1 are provided with first sliding grooves, the first sliding blocks are slidably sleeved in the first sliding grooves, and the two sides of the bottom plate 5 are respectively fixedly connected with the first sliding blocks.

In this embodiment, four second chutes are provided at the top of the bottom plate 5, the second sliding block is slidably sleeved in the second chute, and the bottom of the inner plate 2 is fixedly connected to the top of the second sliding block.

This practical theory of operation: when in use, the battery pack is not shown in the drawing and is placed between the inner plates 2, the battery pack can be limited within a certain range through the limiting spring 6 and the two inner plates 2, meanwhile, the battery pack can adapt to battery packs with different sizes within a certain range, the practicability of the lower shell 1 is improved, when left and right vibration occurs, the battery pack extrudes the inner plates 2, so that the limiting spring 6 is stretched to simultaneously extrude the buffer spring 4 on one side, meanwhile, the buffer airbag 3 is matched with the air pipe 8 to buffer the battery pack, meanwhile, in the buffering process, a part of the buffer airbag 3 shrinks, gas in the buffer airbag flows into other buffer airbags 3 through the air pipe 8, other buffer airbags 3 expand to be abutted against the battery pack, the outer side of the battery pack is protected, the battery pack is prevented from being damaged due to vibration, when the battery pack vibrates up and down, the connecting column 11 is extruded by the bottom plate 5 through the top plate 10, make clamp plate 12 move in sleeve 15, compress damping spring 13 and belleville spring 14 simultaneously, further carry out the shock attenuation to the battery package, ensured the stability that the battery package used, increased the life of battery package.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a battery package with shock-absorbing structure is strengthened to drain pan down, includes casing (1) down, slide cup joint bottom plate (5) in casing (1) down, inner panel (2) of sliding connection on bottom plate (5), a plurality of base (9) of fixed mounting casing (1) bottom inner wall under, its characterized in that: the base (9) is provided with a damping mechanism, the inner plate (2) is provided with a buffer mechanism, the damping mechanism is used for damping and protecting the battery pack, and the buffer mechanism is used for buffering and protecting the battery pack;

the damping mechanism comprises a sleeve (15) fixedly installed on a base (9), a pressing plate (12) is sleeved in the sleeve (15) in a sliding mode, a connecting column (11) is fixedly connected to the top of the pressing plate (12), a top plate (10) is fixedly connected to the top of the connecting column (11), a damping spring (13) sleeved on the outer ring of the connecting column (11) is fixedly connected to the top plate (10), the other end of the damping spring (13) is fixedly connected with the top of the sleeve (15), and a plurality of disc springs (14) are fixedly connected between the top of the top plate (10) and the base (9);

buffer gear includes a plurality of buffer spring (4) of fixed mounting on inner panel (2) lateral wall, a plurality of fixedly connected with buffering gasbag (3) on bottom plate (5), fixed cover has been cup jointed trachea (8) between buffering gasbag (3), a plurality of protection hole has been seted up on inner panel (2).

2. The battery pack with the reinforced shock-absorbing structure of the lower bottom case according to claim 1, wherein: the inner plate is characterized in that fixing plates (7) are fixedly connected to the two sides of the inner plate (2), and limiting springs (6) are fixedly connected to one sides, close to each other, of the fixing plates (7).

3. The battery pack with the reinforced shock-absorbing structure of the lower bottom case according to claim 1, wherein: a plurality of mounting blocks are fixedly connected to the lower shell (1), and mounting holes are formed in the mounting blocks.

4. The battery pack with the reinforced shock-absorbing structure of the lower bottom case according to claim 1, wherein: a plurality of assembling holes are formed in the base (9), and a plurality of air holes are formed in the outer ring of the sleeve (15).

5. The battery pack with the reinforced shock-absorbing structure of the lower bottom case according to claim 1, wherein: first chutes are formed in the inner walls of the two sides of the lower shell (1), first sliding blocks are sleeved in the first chutes in a sliding mode, and the two sides of the bottom plate (5) are fixedly connected with the first sliding blocks respectively.

6. The battery pack with the reinforced shock-absorbing structure of the lower bottom case according to claim 1, wherein: four second sliding grooves are formed in the top of the bottom plate (5), a second sliding block is sleeved in the second sliding grooves in a sliding mode, and the bottom of the inner plate (2) is fixedly connected with the top of the second sliding block.