CN220856783U - Power battery shell with waterproof function - Google Patents

Abstract

The utility model discloses a power battery outer shell with a waterproof function, which comprises an outer shell main body, a top cover and an inner shell, wherein the top cover is movably arranged at the top of the outer shell main body, the inner shell is fixedly arranged in the outer shell main body, a protection component is fixedly arranged at the bottom of the outer shell main body, positioning shells are fixedly arranged at the left side and the right side of the top cover, positioning grooves are formed in the inner sides of the positioning shells, positioning blocks are movably arranged in the positioning grooves, a pressing plate is movably arranged at the bottom of the top cover, a wire through groove is formed in the top of the pressing plate, and a wire through pipe is communicated with the top of the top cover. According to the utility model, the inner waterproof plate, the positioning rod and the protection pad are arranged, so that the problems that when the battery shell is used for placing and installing a battery, a water source easily enters the battery shell to contact the battery, the battery cannot normally charge and discharge after water enters the battery, and the battery is directly burnt or a power connection phenomenon occurs are solved.

Description

Power battery shell with waterproof function

Technical Field

The utility model relates to the technical field of batteries, in particular to a power battery shell with a waterproof function.

Background

Lithium batteries are a type of battery using a nonaqueous electrolyte solution with lithium metal or a lithium alloy as a positive/negative electrode material. Lithium metal batteries were first proposed and studied by Gilbert n.lewis in 1912. At 70 s of the 20 th century, m.s. whittingham proposed and began to study lithium ion batteries. The chemical characteristics of lithium metal are very active, so that the processing, storage and use of lithium metal have very high requirements on environment. With the development of science and technology, lithium batteries have become the mainstream.

At present, the Chinese utility model with the bulletin number of CN208489258U discloses a power lithium battery shell, which comprises an outer frame and an inner frame arranged in the outer frame, wherein a gap is formed between the outer frame and the inner frame, a battery compartment is formed in the inner frame and is used for loading batteries, a plurality of springs and limiting upright posts are arranged between the outer frame and the inner frame, when the batteries deform through the springs, the springs deform to play a role in damping, meanwhile, the outer frame slowly deforms to prevent the outer frame and the inner frame from exploding, a plurality of T-shaped ventilation holes are formed in the inner wall of the outer frame, the inner frame is conveniently ventilated by the gap between the outer frame and the inner frame, and the gas entering the gap is cooled through compressing the gas through the T-shaped ventilation holes.

Based on the above patent search and the device discovery in the prior art, the above device can solve the problem that the battery can generate a great amount of heat in the charging and discharging process and the temperature in the battery shell rises and even bulges to cause explosion when being driven by the lithium battery, but in the using process, the battery shell is not provided with a waterproof function when the battery is placed and installed, so that a water source easily enters the battery shell to contact with the battery, the battery can not normally charge and discharge after water is charged, and the battery can be directly burnt out or a continuous phenomenon can be caused.

Disclosure of utility model

In order to solve the problems in the prior art, the utility model aims to provide a power battery shell with a waterproof function, which has the advantages of pressing and fixing a battery in an inner shell and protecting the outer side of a main body of the shell, and solves the problems that when the battery shell is used for placing and installing the battery, a water source is easy to enter the battery shell to contact with the battery, the battery can not normally charge and discharge after water enters the battery, and the battery can be directly burnt or a power connection phenomenon occurs.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a power battery shell with waterproof function, includes shell main part, top cap and inner shell, top cap movable mounting is at shell main part top, inner shell fixed mounting is inside the shell main part, shell main part bottom fixed mounting has the protection component, the equal fixed mounting in top cap left side and right side has the positioning shell, the constant head tank has been seted up to the positioning shell inboard, the inside movable mounting of constant head tank has the locating piece, top cap bottom movable mounting has the push down board, the wire casing has been seted up at the push down board top, top cap top intercommunication has the wire casing, the equal fixed mounting of top cap front side and rear side has the handle.

As a preferred mode of the utility model, the protection component comprises an inner waterproof plate, a protection net, an outer bottom plate and a cover plate, wherein the inner waterproof plate is sleeved at the bottom of the shell main body, the protection net is sleeved at the bottom of the inner waterproof plate, the outer bottom plate is sleeved at the bottom of the protection net, and the cover plate is fixedly arranged at the tops of the inner waterproof plate, the protection net and the outer bottom plate.

As the preferable mode of the utility model, the positioning rod is fixedly arranged on the outer side of the positioning block, the other end of the positioning rod penetrates through the positioning shell from inside to outside, the positioning spring is sleeved on the surface of the positioning rod and positioned in the positioning groove, one end of the positioning spring is fixedly arranged on the outer side of the positioning block, and the other end of the positioning spring is fixedly arranged on the inner side of the positioning groove.

As the preferable mode of the utility model, the inner side of the shell main body is fixedly provided with the protection pads, the inner side of the protection pads is fixedly connected with the outer side of the inner shell, the protection pads are provided with four groups and are distributed at equal intervals, the bottom of the inner wall of the shell main body is fixedly provided with the bottom pad, and the top of the bottom pad is fixedly connected with the top of the inner shell.

As the preferable mode of the utility model, the top of the inner wall of the top cover is fixedly provided with the telescopic rods, the output ends of the telescopic rods are fixedly connected with the top of the pressing plate, the telescopic rods are provided with a plurality of groups and are distributed in rectangular equal distance, and the surfaces of the telescopic rods are sleeved with telescopic springs.

As the preferable mode of the utility model, the outer side of the inner shell is provided with the first heat dissipation openings, the first heat dissipation openings are provided with a plurality of groups and are distributed in rectangular equidistance, the surface of the outer shell main body is provided with the second heat dissipation openings, and the second heat dissipation openings are provided with a plurality of groups and are distributed in rectangular equidistance.

In the utility model, preferably, a clamping groove is formed on the outer side of the shell main body, and the clamping groove is matched with the positioning block in a clamping way.

Compared with the prior art, the utility model has the following beneficial effects:

1. According to the battery pack, the inner waterproof plate, the positioning rod and the protection pad are arranged, the bottom of the main body of the outer shell is subjected to waterproof work, the protection net is used for surrounding and protecting the inner waterproof plate, the outer bottom plate is used for surrounding and protecting the protection net and the inner waterproof plate, the top of the inner waterproof plate, the protection net and the top of the outer bottom plate are tightly closed through the cover plate, the positioning rod is pulled to move the positioning block, the positioning block and the clamping groove are removed from clamping connection, the top cover is conveniently taken out, the positioning block and the positioning rod are pushed to move inwards through the thrust generated by the positioning spring, the top cover is installed and clamped with the clamping connection of the positioning groove, the inner shell is in protective connection through the protection pad, the bottom of the inner shell is supported in an auxiliary mode through the protection pad and the bottom pad, the inner shell is installed in a protective mode through the protection pad and the bottom pad.

2. According to the utility model, the protection component arranged at the bottom of the shell main body is used for performing waterproof work on the bottom of the shell main body, the inner waterproof board is surrounded and protected through the protection net, the protection net and the inner waterproof board are surrounded and protected through the outer bottom board, and the inner waterproof board, the protection net and the top of the outer bottom board are tightly covered and sealed through the cover board.

3. According to the utility model, the positioning rod arranged on the outer side of the positioning block moves the positioning block by pulling the positioning rod, the positioning block moves into the positioning groove to cancel the clamping connection between the positioning block and the clamping groove, so that the top cover is conveniently taken out, the positioning block and the positioning rod are pushed to move inwards by the thrust generated by the positioning spring, and the top cover is installed and clamped by the clamping connection between the positioning block and the positioning groove.

Drawings

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

FIG. 2 is an exploded view of the protective assembly of the present utility model;

FIG. 3 is a schematic cross-sectional view of the top cover of the present utility model;

Fig. 4 is a schematic cross-sectional view of the main body of the housing of the present utility model.

In the figure: 1. a housing main body; 2. a top cover; 3. an inner case; 4. a protective assembly; 401. an inner waterproof board; 402. a protective net; 403. an outer bottom plate; 404. a cover plate; 5. positioning a shell; 6. a positioning groove; 7. a positioning block; 8. pressing the plate; 9. a wire through slot; 10. a line pipe; 11. a handle; 12. a positioning rod; 13. a positioning spring; 14. a protective pad; 15. a bottom pad; 16. a telescopic rod; 17. a telescopic spring; 18. a first heat radiation port; 19. a second heat radiation port; 20. a clamping groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 4, the power battery shell with the waterproof function provided by the utility model comprises a shell main body 1, a top cover 2 and an inner shell 3, wherein the top cover 2 is movably installed at the top of the shell main body 1, the inner shell 3 is fixedly installed inside the shell main body 1, a protection component 4 is fixedly installed at the bottom of the shell main body 1, positioning shells 5 are fixedly installed on the left side and the right side of the top cover 2, positioning grooves 6 are formed in the inner sides of the positioning shells 5, positioning blocks 7 are movably installed inside the positioning grooves 6, a pressing plate 8 is movably installed at the bottom of the top cover 2, a wire through groove 9 is formed in the top of the pressing plate 8, a wire through pipe 10 is communicated at the top of the top cover 2, and handles 11 are fixedly installed on the front side and the rear side of the top cover 2.

Referring to fig. 1 and 2, the protection assembly 4 includes an inner waterproof plate 401, a protection net 402, an outer bottom plate 403 and a cover plate 404, the inner waterproof plate 401 is sleeved at the bottom of the housing body 1, the protection net 402 is sleeved at the bottom of the inner waterproof plate 401, the outer bottom plate 403 is sleeved at the bottom of the protection net 402, and the cover plate 404 is fixedly installed at the top of the inner waterproof plate 401, the protection net 402 and the outer bottom plate 403.

As a technical optimization scheme of the utility model, the bottom of the outer shell main body 1 is waterproof through the protection component 4 arranged at the bottom of the outer shell main body 1, the inner waterproof board 401 is surrounded and protected through the protection net 402, the protection net 402 and the inner waterproof board 401 are surrounded and protected through the outer bottom board 403, and the tops of the inner waterproof board 401, the protection net 402 and the outer bottom board 403 are tightly closed through the cover board 404.

Referring to fig. 1 and 3, a positioning rod 12 is fixedly installed on the outer side of the positioning block 7, the other end of the positioning rod 12 penetrates through the positioning shell 5 from inside to outside, a positioning spring 13 is sleeved on the surface of the positioning rod 12 and positioned in the positioning groove 6, one end of the positioning spring 13 is fixedly installed on the outer side of the positioning block 7, and the other end of the positioning spring 13 is fixedly installed on the inner side of the positioning groove 6.

As a technical optimization scheme of the utility model, the positioning rod 12 arranged on the outer side of the positioning block 7 is used for moving the positioning block 7 by pulling the positioning rod 12, the positioning block 7 moves into the positioning groove 6 to cancel the clamping connection between the positioning block 7 and the clamping groove 20, so that the top cover 2 is conveniently taken out, the positioning block 7 and the positioning rod 12 are pushed to move inwards by the thrust generated by the positioning spring 13, and the top cover 2 is installed and clamped by the clamping connection between the positioning block 7 and the positioning groove 6.

Referring to fig. 1 and 4, a protection pad 14 is fixedly installed on the inner side of the outer shell main body 1, the inner side of the protection pad 14 is fixedly connected with the outer side of the inner shell 3, four groups of protection pads 14 are arranged and distributed at equal intervals, a bottom pad 15 is fixedly installed on the bottom of the inner wall of the outer shell main body 1, and the top of the bottom pad 15 is fixedly connected with the top of the inner shell 3.

As a technical optimization scheme of the utility model, the inner shell 3 is in protective connection through the protective pad 14 arranged on the inner side of the outer shell main body 1 of the positioning block 7, the bottom of the inner shell 3 is supported in an auxiliary mode through the bottom pad 15, and the inner shell 3 is in protective installation through the cooperation of the protective pad 14 and the bottom pad 15.

Referring to fig. 1 and 3, a telescopic rod 16 is fixedly installed at the top of the inner wall of the top cover 2, the output end of the telescopic rod 16 is fixedly connected with the top of the pressing plate 8, the telescopic rod 16 is provided with a plurality of groups and distributed in rectangular equal distance, and a telescopic spring 17 is sleeved on the surface of the telescopic rod 16.

As a technical optimization scheme of the utility model, the telescopic rod 16 arranged at the top of the inner wall of the top cover 2 is connected with the top of the pressing plate 8 through the telescopic rod 16, the pressing plate 8 is pushed to move downwards through the pushing force generated by the telescopic spring 17, and the battery inside the inner shell 3 is pressed and fixed through the downward movement of the pressing plate 8.

Referring to fig. 1 and 4, a first heat dissipation port 18 is provided on the outer side of the inner case 3, the first heat dissipation port 18 is provided with a plurality of groups and is distributed in rectangular equidistance, a second heat dissipation port 19 is provided on the surface of the outer case main body 1, and the second heat dissipation port 19 is provided with a plurality of groups and is distributed in rectangular equidistance.

As a technical optimization scheme of the utility model, through the first heat dissipation port 18 arranged on the inner side and the outer side, heat generated by the battery inside the inner shell 3 is discharged through the cooperation of the first heat dissipation port 18 and the second heat dissipation port 19, and the phenomenon that the battery is directly burnt out or is connected with electricity due to higher stability of the battery is avoided.

Referring to fig. 1, 3 and 4, a clamping groove 20 is formed in the outer side of the housing main body 1, and the clamping groove 20 is in clamping fit with the positioning block 7.

As a technical optimization scheme of the utility model, the clamping groove 20 arranged on the outer side of the shell main body 1 enables the positioning block 7 to be in clamping fit with the clamping groove 20 through the clamping groove 20, so that the top cover 2 can be conveniently installed and positioned.

The working principle and the using flow of the utility model are as follows: when in use, the battery is placed inside the inner shell 3, the auxiliary support is carried out on the inner shell 3 through the cooperation of the protection pad 14 and the bottom pad 15 after the battery is placed, then the top cover 2 is placed at the top of the outer shell main body 1, when the outer shell is tightly covered, the positioning block 7 and the positioning rod 12 are pushed to move inwards through the thrust generated by the positioning spring 13, the positioning block 7 is moved to be matched with the positioning groove 6 in a clamping manner, the top cover 2 is installed and clamped, when the top cover 2 is tightly covered in a mounting manner, the battery inside the inner shell 3 is attached through the pressing plate 8, the pressing plate 8 is pushed to move downwards through the thrust generated by the telescopic spring 17, the battery inside the inner shell 3 is pushed to be positioned through the downward movement of the pressing plate 8, then the inner waterproof plate 401 is subjected to waterproof work on the bottom of the outer shell main body 1, the inner waterproof plate 401 is subjected to surrounding protection through the protecting net 402 and the inner waterproof plate 401, the inner waterproof plate 401 is subjected to surrounding protection through the outer bottom plate 403, the inner waterproof plate 401, the tops of the protecting net 402 and the outer waterproof plate 403 are tightly covered through the cover plate 404, and the inner waterproof plate 18 and the outer bottom plate 403 are tightly closed, and the battery is subjected to heat dissipation through the first heat dissipation opening 18 and the second heat dissipation opening 19 when the battery works, and the heat is discharged from the inner battery is matched with the battery inside the inner shell 3.

To sum up: this power battery case with waterproof function, through setting up interior waterproof board 401, locating lever 12 and protection pad 14, carry out waterproof work to outer shell main part 1 bottom through interior waterproof board 401, surround the protection to interior waterproof board 401 through protection network 402, surround protection network 402 and interior waterproof board 401 through outer bottom plate 403, carry out the tight closure of lid to interior waterproof board 401 through apron 404, protection network 402 and outer bottom plate 403 top, remove locating piece 7 through pulling locating lever 12, locating piece 7 moves to inside make locating piece 7 and draw-in groove 20 cancellation joint, be convenient for take out top cap 2, the thrust through locating spring 13 production promotes locating piece 7 and locating lever 12 to the inboard removal, install the joint to top cap 2, carry out the protection connection to inner shell 3 through protection pad 14, carry out the auxiliary stay to inner shell 3 bottom through protection pad 15, carry out the protection installation to inner shell 3 through protection pad 14 and bottom pad 15 cooperation, the battery case has been solved and when placing the installation to the battery, it is provided with waterproof function to lead to the battery to the water source to get into inside battery case, can not lead to the bad electricity to the battery to the bad electricity to be because of the battery is in the battery case is inside with the battery, can also can cause the bad electricity to the battery can be directly to the electric discharge after the water source is in the normal condition.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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 utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 (7)

1. The utility model provides a power battery shell with waterproof function, includes shell main part (1), top cap (2) and inner shell (3), its characterized in that: top cap (2) movable mounting is at shell main part (1) top, inside shell (3) fixed mounting is inside shell main part (1), shell main part (1) bottom fixed mounting has protective component (4), top cap (2) left side and equal fixed mounting in right side have positioning shell (5), constant head tank (6) have been seted up to positioning shell (5) inboard, positioning tank (6) inside movable mounting has locating piece (7), top cap (2) bottom movable mounting has press plate (8), wire groove (9) have been seted up at press plate (8) top, top cap (2) top intercommunication has wire pipe (10), top cap (2) front side and equal fixed mounting of rear side have handle (11).

2. The power battery case with waterproof function according to claim 1, wherein: the protection component (4) comprises an inner waterproof plate (401), a protection net (402), an outer bottom plate (403) and a cover plate (404), wherein the inner waterproof plate (401) is sleeved at the bottom of the shell main body (1), the protection net (402) is sleeved at the bottom of the inner waterproof plate (401), the outer bottom plate (403) is sleeved at the bottom of the protection net (402), and the cover plate (404) is fixedly arranged at the tops of the inner waterproof plate (401), the protection net (402) and the outer bottom plate (403).

3. The power battery case with waterproof function according to claim 1, wherein: the positioning device is characterized in that a positioning rod (12) is fixedly arranged on the outer side of the positioning block (7), the other end of the positioning rod (12) penetrates through the positioning shell (5) from inside to outside, a positioning spring (13) is sleeved on the surface of the positioning rod (12) and positioned in the positioning groove (6), one end of the positioning spring (13) is fixedly arranged on the outer side of the positioning block (7), and the other end of the positioning spring (13) is fixedly arranged on the inner side of the positioning groove (6).

4. The power battery case with waterproof function according to claim 1, wherein: the novel protective pad is characterized in that a protective pad (14) is fixedly arranged on the inner side of the outer shell body (1), the inner side of the protective pad (14) is fixedly connected with the outer side of the inner shell (3), four groups of protective pads (14) are arranged and distributed at equal intervals, a bottom pad (15) is fixedly arranged on the bottom of the inner wall of the outer shell body (1), and the top of the bottom pad (15) is fixedly connected with the top of the inner shell (3).

5. The power battery case with waterproof function according to claim 4, wherein: the telescopic device is characterized in that a telescopic rod (16) is fixedly arranged at the top of the inner wall of the top cover (2), the output end of the telescopic rod (16) is fixedly connected with the top of the pressing plate (8), a plurality of groups of telescopic rods (16) are arranged and distributed at equal intervals in a rectangular shape, and telescopic springs (17) are sleeved on the surface of the telescopic rod (16).

6. The power battery case with waterproof function according to claim 4, wherein: the novel heat-dissipating structure is characterized in that a first heat-dissipating opening (18) is formed in the outer side of the inner shell (3), a plurality of groups of the first heat-dissipating openings (18) are arranged and distributed at equal intervals in a rectangular shape, a second heat-dissipating opening (19) is formed in the surface of the outer shell main body (1), and a plurality of groups of the second heat-dissipating openings (19) are arranged and distributed at equal intervals in a rectangular shape.

7. The power battery case with waterproof function according to claim 1, wherein: a clamping groove (20) is formed in the outer side of the shell main body (1), and the clamping groove (20) is in clamping fit with the positioning block (7).