CN215070231U

CN215070231U - Lithium battery pack protection structure convenient to disassemble and assemble

Info

Publication number: CN215070231U
Application number: CN202121409643.3U
Authority: CN
Inventors: 马丙吉
Original assignee: Tianjin Saineng New Energy Technology Co ltd
Current assignee: Tianjin Saineng New Energy Technology Co ltd
Priority date: 2021-06-24
Filing date: 2021-06-24
Publication date: 2021-12-07
Anticipated expiration: 2031-06-24

Abstract

The utility model discloses a lithium cell group protection architecture convenient to dismouting relates to lithium cell technical field, specifically is a lithium cell group protection architecture convenient to dismouting, including the protecting crust, the left top fixedly connected with hinge of protecting crust, hinge fixedly connected with closing cap is passed through to the top of protecting crust, the front side fixed mounting of protecting crust has the fan shell, the inboard fixedly connected with radiator fan of fan shell. This lithium cell group protection architecture convenient to dismouting makes the inboard activity of outer spring housing cup joint interior spring housing, connects through damping spring between outer spring housing and interior spring housing, makes the outside of group battery and the outside laminating of interior spring housing, utilizes damping spring can fully mitigate great external force impact, effectively protects the group battery, and the inside ventilation of protecting crust can be made things convenient for to fan shell and radiator fan and protecting crust bleeder vent around simultaneously, prevents that the group battery is overheated.

Description

Lithium battery pack protection structure convenient to disassemble and assemble

Technical Field

The utility model relates to a lithium cell technical field specifically is a lithium cell group protection architecture convenient to dismouting.

Background

"lithium batteries" are a type of batteries using a nonaqueous electrolytic solution with a lithium metal or a lithium alloy as a positive/negative electrode material, and can be roughly classified into two types: the lithium metal battery and lithium ion battery, the lithium ion battery does not contain lithium in metal state, and can be charged, the lithium metal battery generally uses manganese dioxide as anode material, metal lithium or its alloy metal as cathode material, and uses non-aqueous electrolyte solution, the battery group, it means to divide to connect in series and in parallel, the parallel battery group requires each battery voltage the same, the output voltage is equal to the voltage of a battery, the parallel battery group can provide stronger current, the series battery group does not have excessive requirement, the battery group connects in series and in parallel, the parallel battery group requires each battery voltage the same, the output voltage is equal to the voltage of a battery, the parallel battery group can provide stronger current, the series battery group does not have excessive requirement, as long as the capacity of the battery is not too much, the series battery group can provide higher voltage, the battery group is very widely used in our life, the television remote controller, the electronic toy and the flashlight are all provided with a series battery pack.

In the use of current lithium cell group, can have some problems usually in the use of current lithium cell group, at first exactly current lithium cell group is when using, easily receive striking and fall, lead to the damage of lithium cell, make inside battery solution fall out, and current group battery is in the use, inside is airtight usually, be unfavorable for the heat dissipation in the lithium cell group use, lithium cell group is in use in case need change usually after the time, current battery case, it is usually difficult to pull down the lithium cell from, for this reason, we provide a lithium cell group protection architecture of the dismouting of being convenient for.

SUMMERY OF THE UTILITY MODEL

The utility model provides a lithium cell group protection architecture convenient to dismouting, the problem of proposing in the above-mentioned background art has been solved to the not enough of prior art.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a lithium cell group protection architecture convenient to dismouting, includes the protecting crust, the left top fixedly connected with hinge of protecting crust, hinge fixedly connected with closing cap is passed through to the top of protecting crust, the front side fixed mounting of protecting crust has the fan shell, the inboard fixedly connected with radiator fan of fan shell, the inboard fixed mounting of protecting crust has outer spring housing, the inside activity of outer spring housing has cup jointed interior spring housing, the inboard fixedly connected with damping spring of outer spring housing, the group battery has been placed to the inboard of interior spring housing, the bolt post has been cup jointed through the screw thread activity in the outside of protecting crust, the left side fixedly connected with of bolt post connects the bearing, the inside fixed cup joint of connecting bearing has the connection pad, the inboard fixed mounting of connection pad has connecting spring.

Optionally, the front side and the rear side of the protective shell are provided with exhaust holes parallel to the front and the rear of the fan shell, and the inner side of the heat dissipation fan is fixedly connected with the rear side of the protective shell.

Optionally, the inner side of the outer spring housing is fixedly connected with the inner side of the inner spring housing through a damping spring, and the inner spring housing extends leftwards to the outside of the outer spring housing.

Optionally, the left end of the connecting spring is fixedly connected with the inner side of the inner spring sleeve, and friction grains are formed in the right side of the bolt column.

Optionally, a cylindrical groove adapted to the bolt column is formed in the right side of the outer spring sleeve, and a threaded hole adapted to the bolt column is formed in the outer side of the protective shell.

Optionally, an outer spring sleeve, a damping spring and an inner spring sleeve are fixedly mounted above the bottom of the sealing cover and the bottom wall of the inner cavity of the protective shell.

The utility model provides a lithium cell group protection architecture convenient to dismouting possesses following beneficial effect:

1. this lithium cell group protection architecture convenient to dismouting, through the outer spring housing of inside fixed mounting at the protecting crust, the inboard activity that makes outer spring housing cup joints interior spring housing, connect through damping spring between outer spring housing and interior spring housing, the outside that makes the group battery and the outside laminating of interior spring housing, utilize damping spring can fully alleviate great external shock, effectively protect the group battery, the inside ventilation of protecting crust can be made things convenient for to fan shell and radiator fan and bleeder vent around the protecting crust simultaneously, prevent that the group battery is overheated.

2. This lithium cell group protection architecture convenient to dismouting utilizes bolt post and connection bearing and connection pad and connecting spring's design, through the threaded connection of bolt post and protecting crust, utilizes connection bearing and connection pad and connecting spring, makes the inboard of bolt post and interior spring housing be connected, conveniently drives the inner wall removal of interior spring housing to the protecting crust through the bolt post, conveniently carries out the dismouting change with the group battery, and the swift dismantlement group battery of being convenient for has reduced the time of changing the group battery.

Drawings

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

FIG. 2 is a schematic view of the split structure of the present invention;

FIG. 3 is a front view of the present invention;

FIG. 4 is a schematic structural view of the damping spring of the present invention;

fig. 5 is a schematic structural view of the bolt column of the present invention.

In the figure: 1. a protective shell; 2. a hinge; 3. sealing the cover; 4. a fan case; 5. a heat radiation fan; 6. an outer spring housing; 7. an inner spring housing; 8. a damping spring; 9. a battery pack; 10. a bolt column; 11. connecting a bearing; 12. a connecting disc; 13. a spring is connected.

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.

Referring to fig. 1 to 5, the present invention provides a technical solution: a lithium battery pack protection structure convenient to disassemble and assemble comprises a protective shell 1, a hinge 2 is fixedly connected above the left side of the protective shell 1, a sealing cover 3 is fixedly connected above the protective shell 1 through the hinge 2, an outer spring sleeve 6, a damping spring 8 and an inner spring sleeve 7 are fixedly arranged at the bottom of the sealing cover 3 and above the bottom wall of an inner cavity of the protective shell 1, the battery pack 9 can be conveniently subjected to all-dimensional damping through matching of the bottom of the sealing cover 3 and the upper part of the bottom wall of the inner cavity of the protective shell 1, the damping effect of the structure can be effectively improved, the bottom wall of the inner cavity of the protective shell 1 and the outer spring sleeve 6 at the bottom of the sealing cover 3 are internally provided with no bolt column 10, a fan shell 4 is fixedly arranged at the front side of the protective shell 1, exhaust holes parallel to the front and the back side of the fan shell 4 are arranged at the front side and the back side of the protective shell 1, the inner side of a cooling fan 5 is fixedly connected with the back side of the protective shell 1, and vent holes are arranged through the fan shell 4 and the cooling fan 5, when the protective shell is used, the fan shell 4 is started, air is blown into the protective shell 1 through the fan shell 4, meanwhile, hot air in the protective shell 1 can be sent out through an exhaust net on the front side of the protective shell 1, the heat can be effectively dissipated into the protective shell 1, the internal temperature of the protective shell 1 is prevented from being high, the normal work of a battery pack 9 is prevented from being influenced, the practicability of the device is conveniently improved, the protective effect on the battery pack 9 can be effectively achieved, the inner side of the fan shell 4 is fixedly connected with a cooling fan 5, the inner side of the protective shell 1 is fixedly provided with an outer spring sleeve 6, the inner spring sleeve 7 is movably sleeved in the outer spring sleeve 6, the inner side of the outer spring sleeve 6 is fixedly connected with a damping spring 8, the inner side of the outer spring sleeve 6 is fixedly connected with the inner side of the inner spring sleeve 7 through the damping spring 8, the inner spring sleeve 7 extends to the outer side of the outer spring sleeve 6 to the left, the protective effect on the battery pack 9 can be effectively achieved through the design of the outer spring sleeve 6, the inner spring sleeve 7 and the damping spring 8, when the protective shell is used, large external force is received outside the protective shell 1, impact force can be transmitted to the outer spring sleeve 6 through the protective shell 1, transmitted to the damping spring 8 through the outer spring sleeve 6, buffered by the damping spring 8, and then transmitted to the inner spring sleeve 7, and transmitted to the battery pack 9 through the inner spring sleeve 7, so that the impact force received by the battery pack 9 is small, the battery pack 9 is effectively protected, the battery pack 9 is clamped, the battery pack 9 is prevented from shaking in the protective shell 1, the inner wall of the protective shell 1 is continuously impacted to cause damage, the battery pack 9 is placed on the inner side of the inner spring sleeve 7, the outer side of the protective shell 1 is movably sleeved with the bolt column 10 through threads, the right side of the outer spring sleeve 6 is provided with a column groove matched with the bolt column 10, the outer side of the protective shell 1 is matched with a threaded hole of the bolt column 10, and the bolt column 10 plays a role in driving the inner spring sleeve 7 to move outwards, when the battery pack 9 needs to be replaced in use, the bolt column 10 is enabled to move outwards on the side wall of the protective shell 1 by rotating the bolt column 10, the connecting disc 12 is driven to move outwards by the action of the connecting bearing 11, the connecting disc 12 can pull the inner spring sleeve 7 to move towards the inner wall of the protective shell 1 through the connecting spring 13, the damping spring 8 can be compressed by the inner spring sleeve 7, the inner spring sleeve 7 can be separated from the battery pack 9, the battery pack 9 is convenient to disassemble and assemble, the use of the device is convenient, the connecting bearing 11 is fixedly connected to the left side of the bolt column 10, the connecting disc 12 is fixedly sleeved in the connecting bearing 11, the connecting spring 13 is fixedly installed on the inner side of the connecting disc 12, the left end of the connecting spring 13 is fixedly connected with the inner side of the inner spring sleeve 7, friction grains are formed in the right side of the bolt column 10, after the battery pack 9 is replaced, the bolt column 10 is rotated, make bolt post 10 drive connecting bearing 11 and connection pad 12 and connecting spring 13 move to the outside of group battery 9, when the inboard motion of connection pad 12 is laminated to the outside of protecting crust 1, make connecting spring 13 be in compression state, accomplish the fixed of group battery 9, make things convenient for the centre gripping of group battery 9 tight, prevent rocking of group battery 9, convenient and fast dismouting group battery 9 when the use of convenient device.

In conclusion, when the lithium battery pack protection structure convenient to disassemble and assemble is used, the fan shell 4 is started, air is blown into the protection shell 1 through the fan shell 4, meanwhile, hot air in the protection shell 1 can be sent out through the exhaust net on the front side of the protection shell 1, if large external force is received outside the protection shell 1, impact force can be transmitted to the outer spring sleeve 6 through the protection shell 1, is transmitted to the damping spring 8 through the outer spring sleeve 6, is buffered by the damping spring 8, is transmitted to the inner spring sleeve 7, and is transmitted to the battery pack 9 through the inner spring sleeve 7, so that the impact force received by the battery pack 9 is small, if the battery pack 9 needs to be replaced, the bolt column 10 moves outwards on the side wall of the protection shell 1 through rotating the bolt column 10, the bolt column 10 can drive the connecting disc 12 to move outwards through the action of the connecting bearing 11, the connecting disc 12 can pull the inner spring sleeve 7 to move towards the inner wall direction of the protection shell 1 through the connecting spring 13, interior spring housing 7 can compress damping spring 8, and interior spring housing 7 can separate with group battery 9, changes group battery 9 afterwards, through rotating bolt post 10, makes bolt post 10 drive connecting bearing 11 and connection pad 12 and connecting spring 13 move to the outside of group battery 9, when the inboard motion of connection pad 12 is laminated to the outside of protecting crust 1, makes connecting spring 13 be in the compression state, accomplishes fixing of group battery 9, can.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a lithium cell group protection architecture convenient to dismouting, includes protecting crust (1), its characterized in that: the protective shell is characterized in that a hinge (2) is fixedly connected to the upper side of the left side of the protective shell (1), a sealing cover (3) is fixedly connected to the upper side of the protective shell (1) through the hinge (2), a fan shell (4) is fixedly mounted on the front side of the protective shell (1), a cooling fan (5) is fixedly connected to the inner side of the fan shell (4), an outer spring sleeve (6) is fixedly mounted on the inner side of the protective shell (1), an inner spring sleeve (7) is movably sleeved on the outer spring sleeve (6), a damping spring (8) is fixedly connected to the inner side of the outer spring sleeve (6), a battery pack (9) is placed on the inner side of the inner spring sleeve (7), a bolt column (10) is movably sleeved on the outer side of the protective shell (1) through threads, a connecting bearing (11) is fixedly connected to the left side of the bolt column (10), a connecting disc (12) is fixedly sleeved on the inner side of the connecting bearing (11), and a connecting spring (13) is fixedly arranged on the inner side of the connecting disc (12).

2. The lithium battery pack protection structure convenient to disassemble and assemble according to claim 1, wherein: exhaust holes parallel to the front and the back of the fan shell (4) are formed in the front side and the back side of the protective shell (1), and the inner side of the heat dissipation fan (5) is fixedly connected with the back side of the protective shell (1).

3. The lithium battery pack protection structure convenient to disassemble and assemble according to claim 1, wherein: the inner side of the outer spring sleeve (6) is fixedly connected with the inner side of the inner spring sleeve (7) through a damping spring (8), and the inner spring sleeve (7) extends to the outside of the outer spring sleeve (6) leftwards.

4. The lithium battery pack protection structure convenient to disassemble and assemble according to claim 1, wherein: the left end of the connecting spring (13) is fixedly connected with the inner side of the inner spring sleeve (7), and friction grains are formed in the right side of the bolt column (10).

5. The lithium battery pack protection structure convenient to disassemble and assemble according to claim 1, wherein: the right side of the outer spring sleeve (6) is provided with a cylindrical groove adaptive to the bolt column (10), and the outer side of the protective shell (1) is provided with a threaded hole adaptive to the bolt column (10).

6. The lithium battery pack protection structure convenient to disassemble and assemble according to claim 1, wherein: and an outer spring sleeve (6), a damping spring (8) and an inner spring sleeve (7) are fixedly arranged at the bottom of the sealing cover (3) and above the bottom wall of the inner cavity of the protective shell (1).