CN220692233U - Connection fixing mechanism between battery and BMS box - Google Patents

Abstract

The utility model relates to the technical field of batteries, in particular to a connection fixing mechanism between a battery and a BMS box, which comprises a shell and a connection assembly, wherein the connection assembly comprises a BMS box body, a battery body, a protective shell, a limiting rod, a circular ring, a spring and a limiting block, wherein the limiting block is provided with a limiting hole, the right side surface of the shell is provided with a containing groove, the BMS box body is arranged in the containing groove and is matched with the containing groove, the protective shell is fixedly connected with the shell and is positioned at the upper end of the shell, one end of the limiting rod penetrates through the upper ends of the protective shell and the shell and is matched with the limiting hole, the limiting block is fixedly connected with the left side surface of the BMS box body and is positioned in the containing groove, and the battery body is arranged at the inner bottom wall of the shell. When the BMS box body needs to be overhauled, the limiting rod is pulled to separate the limiting rod from the limiting hole, through the structure, the limiting fixing effect on the BMS box body is canceled, and the BMS box body is disassembled and overhauled by a worker conveniently.

Description

Connection fixing mechanism between battery and BMS box

Technical Field

The utility model relates to the technical field of batteries, in particular to a connection fixing mechanism between a battery and a BMS box.

Background

The BMS is a tie between the battery and the user, and its main object is a secondary battery, mainly to be able to improve the utilization rate of the battery, prevent overcharge and overdischarge of the battery, and the BMS is used to protect the battery from accidents.

At present, a traditional welding mode is adopted between the BMS box and the battery, so that the BMS box is very inconvenient to overhaul.

Disclosure of Invention

The utility model aims to provide a connection fixing mechanism between a battery and a BMS box, which solves the problem that the BMS box is inconvenient to overhaul due to the fact that a traditional welding mode is adopted between the BMS box and the battery in the prior art.

In order to achieve the above purpose, the utility model provides a connection fixing mechanism between a battery and a BMS box, which comprises a shell and a connection assembly, wherein the connection assembly comprises a BMS box body, a battery body, a protective shell, a limiting rod, a circular ring, a spring and a limiting block, wherein the limiting block is provided with a limiting hole, the right side surface of the shell is provided with a containing groove, the BMS box body is arranged in the containing groove and is matched with the containing groove, the protective shell is fixedly connected with the shell and is positioned at the upper end of the shell, one end of the limiting rod penetrates through the protective shell and the upper end of the shell and is matched with the limiting hole, the limiting block is fixedly connected with the left side surface of the BMS box body and is positioned in the containing groove, and the battery body is arranged at the inner bottom wall of the shell.

The connecting assembly further comprises a handle, wherein the handle is fixedly connected with the BMS box body and located on the right side face of the BMS box body.

The limiting rod is provided with a chamfer surface, and the chamfer surface is positioned at one end of the limiting rod, which is matched with the limiting hole.

The connection fixing mechanism between the battery and the BMS box further comprises a first magnetic block and a second magnetic block, wherein the first magnetic block is fixedly connected with the left side face of the BMS box body and located inside the accommodating groove, the second magnetic block is fixedly connected with the left side inner wall of the accommodating groove, and the first magnetic block is in magnetic attraction fit with the second magnetic block.

The connection fixing mechanism between the battery and the BMS box further comprises a handle, wherein the handle is fixedly connected with the limiting rod and is positioned at the upper end of the limiting rod.

According to the connection fixing mechanism between the battery and the BMS box, the BMS box body is arranged in the accommodating groove and is matched with the accommodating groove, the protective shell is fixedly connected with the shell and is positioned at the upper end of the shell, one end of the limiting rod penetrates through the protective shell and the upper end of the shell and is matched with the limiting hole, the limiting block is fixedly connected with the left side face of the BMS box body and is positioned in the accommodating groove, and the battery body is arranged on the inner bottom wall of the shell. When the BMS box body needs to be overhauled, the limiting rod is pulled, so that the limiting rod is separated from the limiting hole, through the structure, the limiting fixing effect of the BMS box body is canceled, and the BMS box body is convenient for workers to disassemble and overhaul.

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 description of the embodiments or the prior art will be briefly described below.

Fig. 1 is a schematic overall structure of a first embodiment of the present utility model.

Fig. 2 is an overall cross-sectional view of a first embodiment of the present utility model.

Fig. 3 is a schematic structural view of the stopper of the present utility model.

Fig. 4 is a schematic overall structure of a second embodiment of the present utility model.

Fig. 5 is an overall cross-sectional view of a second embodiment of the present utility model.

101-shell, 102-BMS box body, 103-battery body, 104-protective housing, 105-gag lever post, 106-ring, 107-spring, 108-stopper, 109-handle, 110-spacing hole, 111-holding groove, 112-chamfer, 201-first magnetic block, 202-second magnetic block, 203-handle.

Detailed Description

The following detailed description of embodiments of the utility model, examples of which are illustrated in the accompanying drawings and, by way of example, are intended to be illustrative, and not to be construed as limiting, of the utility model.

First embodiment:

referring to fig. 1 to 3, fig. 1 is a schematic overall structure of a first embodiment of the present utility model, fig. 2 is a sectional overall view of the first embodiment of the present utility model, and fig. 3 is a schematic structural view of a stopper 108 of the present utility model.

The utility model provides a connection fixing mechanism between a battery and a BMS box, which comprises a shell 101 and a connection assembly, wherein the connection assembly comprises a BMS box body 102, a battery body 103, a protective shell 104, a limiting rod 105, a circular ring 106, a spring 107, a limiting block 108 and a handle 109, the limiting block 108 is provided with a limiting hole 110, the right side surface of the shell 101 is provided with a containing groove 111, and the limiting rod 105 is provided with an inclined surface 112.

To this concrete embodiment, fix when the BMS box body 102 is in under the elasticity effect of spring 107, make gag lever post 105 is located all the time in spacing hole 110, right the BMS box body 102 plays spacing fixed effect, when needs are right when the BMS box body 102 overhauls, through the pulling gag lever post 105, makes gag lever post 105 break away from spacing hole 110, through above-mentioned structure, cancel right the spacing fixed effect of BMS box body 102, the staff of being convenient for will the BMS box body 102 dismantles the maintenance.

The limiting block 108 is provided with a limiting hole 110, the right side surface of the housing 101 is provided with a containing groove 111, the BMS box body 102 is arranged in the containing groove 111 and is matched with the containing groove 111, the protecting shell 104 is fixedly connected with the housing 101 and is positioned at the upper end of the housing 101, one end of the limiting rod 105 penetrates through the protecting shell 104 and the upper end of the housing 101 and is matched with the limiting hole 110, the limiting block 108 is fixedly connected with the left side surface of the BMS box body 102 and is positioned in the containing groove 111, the battery body 103 is arranged on the inner bottom wall of the housing 101, the circular ring 106 is fixedly sleeved on the limiting rod 105 and is positioned in the protecting shell 104, and two ends of the spring 107 are respectively fixedly connected with the circular ring 106 and the inner bottom wall of the protecting shell 104. Fix when BMS box body 102 is in under spring 107's elasticity effect, makes gag lever post 105 is located all the time in spacing hole 110, right BMS box body 102 plays spacing fixed effect, when needs are right BMS box body 102 overhauls, through the pulling gag lever post 105 makes gag lever post 105 breaks away from spacing hole 110, through above-mentioned structure, cancel right BMS box body 102's spacing fixed effect, the staff of being convenient for will BMS box body 102 dismantles the maintenance.

Next, the handle 109 is fixedly connected to the BMS case body 102 and located on the right side of the BMS case body 102. When the stop lever 105 is separated from the stop hole 110, the worker can pull the handle 109 to pull the BMS box body 102 out of the accommodating groove 111, and the handle 109 facilitates the worker to pull the BMS box body 102, thereby improving the disassembly efficiency.

Meanwhile, the stop lever 105 has a chamfer 112, and the chamfer 112 is located at one end of the stop lever 105 adapted to the stop hole 110. When the BMS box body 102 is reinstalled, the chamfer 112 is extruded on the left side surface of the limiting block 108, so that the limiting rod 105 moves upwards, then after the limiting hole 110 moves to the lower side of the limiting rod 105, the limiting rod 105 is positioned in the limiting hole 110 again under the action of the elastic force of the spring 107, so that the BMS box body 102 is limited and fixed, and therefore a worker is not required to install the BMS box body 102, the limiting rod 105 is pulled again, and the operation flow of the worker is reduced.

When the connection fixing mechanism between the battery and the BMS box is used, the BMS box body 102 is fixed under the action of the elastic force of the spring 107, the limiting rod 105 is always positioned in the limiting hole 110, the BMS box body 102 is limited and fixed, when the BMS box body 102 needs to be overhauled, the limiting rod 105 is separated from the limiting hole 110 by pulling the limiting rod 105, then the handle 109 is pulled, the BMS box body 102 is driven to be separated from the accommodating groove 111, through the structure, the limiting and fixing effect on the BMS box body 102 is cancelled, the BMS box body 102 is convenient to detach and overhaul by workers, and when the BMS box body 102 is reinstalled, the limiting rod 105 moves upwards through the left side face of the limiting block 108, and then under the elastic force of the spring 107, the limiting rod 105 is positioned in the limiting hole 110 again, so that the BMS box body 102 does not need to be pulled again, and the work flow of the workers is reduced when the BMS box body 102 is installed again.

Second embodiment:

on the basis of the first embodiment, please refer to fig. 4 and fig. 5, wherein fig. 4 is a schematic overall structure of the second embodiment of the present utility model, and fig. 5 is a sectional overall view of the second embodiment of the present utility model.

The utility model provides a connection fixing mechanism between a battery and a BMS box, which further comprises a first magnetic block 201, a second magnetic block 202 and a handle 203.

For this embodiment, through the cooperation of first magnetic path 201 with second magnetic path 202 improves the stability after the BMS box body 102 installs reduces it is in rocking in the holding tank 111, original gag lever post 105 is inconvenient for the staff to pull, staff's accessible pulling handle 203, cancellation when the fixed effect of BMS box body 102, make the staff operation more convenient from this.

The first magnetic block 201 is fixedly connected with the left side surface of the BMS box body 102 and is located inside the accommodating groove 111, the second magnetic block 202 is fixedly connected with the left side inner wall of the accommodating groove 111, and the first magnetic block 201 is magnetically matched with the second magnetic block 202. By the cooperation of the first magnetic block 201 and the second magnetic block 202, the stability of the BMS box body 102 after installation is improved, and the shaking of the BMS box body in the accommodating groove 111 is reduced.

Next, the grip 203 is fixedly connected to the stop lever 105, and is located at the upper end of the stop lever 105. Originally gag lever post 105 is inconvenient for the staff to pull, and staff's accessible pulling handle 203 when cancelling the fixed effect of BMS box body 102 makes the staff operation more convenient from this.

When the connection fixing mechanism between the battery and the BMS box is used, the stability of the BMS box body 102 after installation is improved through the cooperation of the first magnetic block 201 and the second magnetic block 202, the shaking of the BMS box body in the accommodating groove 111 is reduced, the original limiting rod 105 is inconvenient for a worker to pull, and the worker can pull the grip 203 to cancel the fixing effect of the BMS box body 102, so that the operation of the worker is more convenient.

The foregoing disclosure is only illustrative of one or more preferred embodiments of the present application and is not intended to limit the scope of the claims hereof, as it is to be understood by those skilled in the art that all or part of the process of implementing the described embodiment may be practiced otherwise than as specifically described and illustrated by the appended claims.

Claims (5)

1. A connection fixing mechanism between a battery and a BMS case includes a housing, characterized in that,

the device also comprises a connecting component;

the utility model provides a battery pack, including the battery pack, the battery pack is characterized by comprising a battery pack body, battery pack, protective housing, gag lever post, ring, spring and stopper, have the spacing hole on the stopper, the right flank of shell has the holding tank, the battery pack body set up in the holding tank, and with the holding tank adaptation, the protective housing with shell fixed connection, and be located the upper end of shell, the one end of gag lever post run through the protective housing with the upper end of shell, and with spacing hole adaptation, the stopper with the left surface fixed connection of battery pack body, and be located in the holding tank, the battery pack set up in the interior bottom of shell, the ring fixed bolster is located on the gag lever post, and be located the inside of protective housing, the both ends of spring respectively with ring with the interior bottom fixed connection of protective housing.

2. The connection fixing mechanism between the battery and the BMS case according to claim 1, wherein,

the connecting assembly further comprises a handle, wherein the handle is fixedly connected with the BMS box body and is positioned on the right side face of the BMS box body.

3. The connection fixing mechanism between the battery and the BMS case according to claim 2, wherein,

the limiting rod is provided with a chamfer surface, and the chamfer surface is positioned at one end of the limiting rod, which is matched with the limiting hole.

4. The connection fixing mechanism between the battery and the BMS case according to claim 3,

the connection fixing mechanism between the battery and the BMS box further comprises a first magnetic block and a second magnetic block, wherein the first magnetic block is fixedly connected with the left side face of the BMS box body and is positioned in the accommodating groove, the second magnetic block is fixedly connected with the left side inner wall of the accommodating groove, and the first magnetic block is in magnetic attraction fit with the second magnetic block.

5. The connection fixing mechanism between the battery and the BMS case according to claim 4, wherein,

the connection fixing mechanism between the battery and the BMS box further comprises a handle, wherein the handle is fixedly connected with the limiting rod and is positioned at the upper end of the limiting rod.