CN113517623B

CN113517623B - Connector assembly and disassembly tool and battery system

Info

Publication number: CN113517623B
Application number: CN202110448263.9A
Authority: CN
Inventors: 王晓宾
Original assignee: Hubei Eve Power Co Ltd
Current assignee: Hubei Eve Power Co Ltd
Priority date: 2021-04-25
Filing date: 2021-04-25
Publication date: 2022-11-11
Anticipated expiration: 2041-04-25
Also published as: CN113517623A

Abstract

The invention relates to the technical field of battery manufacturing, and particularly discloses a connector assembling and disassembling tool and a battery system. The connector assembling and disassembling tool comprises a shell, a limiting piece and a driving piece, wherein a containing groove is arranged in the shell and can contain a male head and a female head of a low-voltage wiring harness connector, a sliding groove penetrates through one side, away from the male head, of the shell and can contain the driving piece, the end portion of the driving piece faces to an elastic buckle of the male head, the driving piece can move along the groove wall of the sliding groove and press the elastic buckle, the elastic buckle always has a trend of driving the driving piece to be away from the male head, a through hole penetrates through the groove wall of the sliding groove and contains the limiting piece, the limiting piece can move relative to the hole wall of the through hole, and the limiting piece can limit the movement of the driving piece. The connector assembling and disassembling tool can reduce the gap between the low-voltage wiring harness connector and the battery box body, so that the disassembling efficiency of the low-voltage wiring harness connector is improved, and the energy density of a battery system is also improved.

Description

Connector assembly and disassembly tool and battery system

Technical Field

The invention relates to the technical field of battery manufacturing, in particular to a connector assembling and disassembling tool and a battery system.

Background

With the development of new energy vehicles, electric vehicles have gradually become main vehicles, and in order to further improve the electric quantity and energy density of a battery system, more battery cells need to be arranged in a limited envelope space, which results in a reduction of the remaining available space inside the battery pack, and the smaller remaining space is not favorable for assembling and disassembling parts inside the battery pack. For the after-sale maintenance of the battery system, the low-voltage wiring harness inside the battery pack needs to be frequently disassembled or repaired, and the low-voltage wiring harness connector is mainly plugged.

As shown in fig. 1, the low-voltage harness connector 2 includes a male connector 21 and a female connector 22, a card slot 221 is provided on the female connector 22, an elastic buckle 211 is provided on the male connector 21, when the male connector 21 is plugged into the female connector 22, the elastic buckle 211 and the card slot 221 form a detachable connection, that is, the card slot 221 can limit the elastic buckle 211 to be separated from the female connector 22, so as to connect the male connector 21 and the female connector 22, if the elastic buckle 211 is pressed down, the movement limitation of the card slot 221 on the elastic buckle 211 can be removed, under the condition that the elastic buckle 211 is kept pressed down, the male connector 21 is removed through other fingers, and then the fixed connection between the male connector 21 and the female connector 22 can be removed.

However, the low-voltage wiring harness connector is generally arranged in a gap between the battery module and the battery box body, if the low-voltage wiring harness connector is located below the battery module, and the gap between the low-voltage wiring harness connector and the battery box body is smaller, a plurality of fingers or a plurality of operating tools cannot enter the gap simultaneously to detach the low-voltage wiring harness connector, so that the low-voltage wiring harness connector is not detached easily, and the detachment efficiency of the low-voltage wiring harness connector is reduced.

It is necessary to sufficiently reserve an operation space for the palm to enter the space in the gap between the low-voltage harness plug and the battery case at the beginning of the design, but this lowers the energy density of the battery system.

Disclosure of Invention

An object of the embodiments of the present invention is to provide a connector assembly and disassembly tool, which has high disassembly efficiency and occupies a small space.

Another object of an embodiment of the present invention is to provide a battery system, which has high mounting and dismounting efficiency, small volume and high energy density.

To achieve the purpose, the embodiment of the invention adopts the following technical scheme:

the first aspect provides a connector loading and unloading frock, including shell, locating part and driving piece, be provided with the holding tank in the shell, the holding tank can hold public head and female head of low pressure pencil connector, the shell deviates from one side of public head is run through and is provided with the spout, the spout can hold the driving piece, the tip orientation of driving piece public first elasticity buckle, the driving piece can be followed the cell wall of spout removes and presses elasticity buckle, elasticity buckle has all the time and orders about the driving piece is kept away from public first trend, the cell wall of spout runs through and is provided with the through-hole, the through-hole holds the locating part, the locating part can be relative the pore wall of through-hole removes, the locating part can restrict the removal of driving piece.

As an optimal selection scheme of connector loading and unloading frock, the locating part includes button, round pin piece and first spring, the driving piece is close to one side of locating part is provided with heavy groove, heavy groove can hold round pin piece with first spring, the one end of first spring with the tank bottom fixed connection of heavy groove, the other end of first spring with round pin piece fixed connection, round pin piece can be followed the cell wall of heavy groove removes, first spring has all the time and orders about round pin piece is kept away from the trend of driving piece, the button can be followed remove in the pore wall of through-hole.

As a preferred scheme of the connector assembling and disassembling tool, two sides of the end part of the button close to the pin block are respectively provided with a protrusion, two sides of the end part of the through hole close to the pin block are provided with a groove, the groove can accommodate the protrusion, and the width of the groove in the length direction of the button is greater than that of the protrusion in the length direction of the button.

As a preferred scheme of the connector assembling and disassembling tool, a chamfer structure is arranged at the joint of the pin block and the button, and the chamfer structure is arranged on one side, deviating from the male head, of the pin block.

As a preferred scheme of the connector assembling and disassembling tool, a convex block is arranged on the side face of the driving piece, a limiting groove is concavely arranged on the groove wall of the sliding groove, the width of the limiting groove in the length direction of the driving piece is larger than that of the convex block in the length direction of the driving piece, and the limiting groove can accommodate the convex block.

As a preferred scheme of the connector assembling and disassembling tool, a second spring is arranged between the convex block and the shell and always has a tendency of driving the driving piece to be far away from the elastic buckle.

As an optimal scheme of the connector assembling and disassembling tool, the connector assembling and disassembling tool further comprises a clamping piece, the two sides of the male head are provided with the clamping piece, the two sides of the accommodating groove are provided with adjusting grooves, the adjusting grooves accommodate the clamping piece, the clamping piece can move along the groove wall of the adjusting groove, and the clamping piece is abutted to the male head and can be locked during the male head.

As a preferred scheme of the connector assembling and disassembling tool, a third spring is arranged between the shell and the clamping piece, and the third spring always has a tendency of driving the clamping piece to be close to the male head.

As a preferred scheme of connector loading and unloading frock, still include the lock piece, the cell wall of adjustment tank is provided with the regulation hole, the lock piece sets up in the regulation hole, the lock piece can be followed the pore wall of regulation hole removes, the holder orientation the one side of lock piece is provided with sunk structure, the lock piece can with sunk structure forms can dismantle the connection.

As a preferable scheme of the connector assembling and disassembling tool, the locking piece comprises a first magnetic block and a second magnetic block, the first magnetic block and the shell are fixedly arranged, the second magnetic block is movably arranged in the adjusting hole, and the magnetism of the first magnetic block is the same as that of the second magnetic block, so that the second magnetic block always has a tendency of being far away from the first magnetic block.

In a second aspect, a battery system is provided, which comprises a battery box body, a low-voltage wiring harness connector and a connector assembling and disassembling tool, wherein the connector assembling and disassembling tool is arranged in a gap between the battery box body and the low-voltage wiring harness connector.

The embodiment of the invention has the following beneficial effects:

form connector loading and unloading frock through setting up shell, locating part and driving piece, wherein, be provided with the holding tank in the shell, the public head and the female head of low pressure pencil connector can be held to the holding tank, wraps up low pressure pencil connector through the holding tank of shell. And, one side that the shell deviates from public head runs through and is provided with the spout, the spout can hold the driving piece, the tip of driving piece towards the elasticity buckle of public head, the driving piece can be followed the cell wall of spout and removed, elasticity buckle has the trend of ordering about the driving piece and keeping away from public head all the time, order about the driving piece through a finger when being close to elasticity buckle, the driving piece can press the elasticity buckle and relieve the connection status of the elasticity buckle of public head and the draw-in groove of female head. In addition, the cell wall of spout runs through and is provided with the through-hole, and the through-hole holds a stopper, and the pore wall that the stopper can relative through-hole removes, when elastic buckle and draw-in groove relieved fixed connection, in order to avoid elastic buckle to push back the driving piece and continue and lock with the draw-in groove butt, restricts the removal of driving piece through removing the stopper this moment, can fix the relative position of driving piece and shell for can dismantle and separate between public head and the female head. Therefore, the connector assembling and disassembling tool provided by the embodiment of the invention can complete the disassembling tool of the low-voltage wiring harness connector only by one finger or one operating tool, can reduce the gap between the low-voltage wiring harness connector and the battery box body, further improves the disassembling efficiency of the low-voltage wiring harness connector and also improves the energy density of a battery system.

Drawings

The invention is explained in more detail below with reference to the figures and examples.

Fig. 1 is an exploded view of a low-voltage harness connector in the prior art.

Fig. 2 is a schematic side sectional view of a connector assembly and disassembly tool according to an embodiment of the present invention.

Fig. 3 is a schematic partial sectional view of a connector assembling and disassembling tool according to an embodiment of the present invention.

Fig. 4 is a partial enlarged view of the invention at a in fig. 3.

Fig. 5 is a schematic top view partially cross-sectional view of a connector assembling and disassembling tool according to an embodiment of the present invention.

Fig. 6 is a schematic front view of a partial cross-sectional structure of a connector assembling and disassembling tool according to an embodiment of the present invention.

Fig. 7 is a schematic top sectional view of a connector assembly and disassembly tool according to an embodiment of the present invention.

Fig. 8 is an exploded view of a connector assembly and disassembly tool according to an embodiment of the present invention.

Fig. 9 is an exploded view of a connector assembly and disassembly tool according to another embodiment of the present invention.

Fig. 10 is a schematic cross-sectional view of a battery system according to an embodiment of the invention.

In the figure:

1. assembling and disassembling a connector; 11. a housing; 111. accommodating grooves; 112. a chute; 113. a through hole; 1131. a groove; 114. a limiting groove; 115. an adjustment groove; 116. an adjustment hole;

12. a limiting member; 121. a button; 1211. a protrusion; 122. a pin block; 1221. a chamfering structure; 123. a first spring;

13. a drive member; 131. sinking a groove; 132. a bump; 133. a second spring;

14. a clamping member; 141. a third spring; 142. a recessed structure;

15. a locking member; 151. a first magnetic block; 152. a second magnetic block;

2. a low voltage harness connector; 21. a male head; 211. an elastic buckle; 212. a clamping block; 22. a female head; 221. a card slot; 3. a battery box body.

Detailed Description

In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.

In the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

In the present invention, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation that the first and second features are not in direct contact, but are in contact via another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Referring to fig. 2, an embodiment of the present invention provides a connector assembling and disassembling tool 1, which includes a housing 11, a limiting member 12 and a driving member 13, wherein a receiving groove 111 is disposed in the housing 11, the receiving groove 111 can receive a male head 21 and a female head 22 of a low-voltage harness connector 2, a sliding groove 112 is penetratingly disposed on a side of the housing 11 away from the male head 21, the sliding groove 112 can receive the driving member 13, an end of the driving member 13 faces an elastic buckle 211 of the male head 21, the driving member 13 can move along a groove wall of the sliding groove 112 and press the elastic buckle 211, the elastic buckle 211 always has a tendency to drive the driving member 13 to move away from the male head 21, a through hole 113 is penetratingly disposed on a groove wall of the sliding groove 112, the through hole 113 receives the limiting member 12, the limiting member 12 can move relative to a hole wall of the through hole 113, and the limiting member 12 can limit movement of the driving member 13.

In the embodiment of the invention, the connector assembling and disassembling tool 1 is formed by arranging the shell 11, the limiting piece 12 and the driving piece 13, wherein the accommodating groove 111 is arranged in the shell 11, the accommodating groove 111 can accommodate the male head 21 and the female head 22 of the low-voltage wiring harness connector 2, and the low-voltage wiring harness connector 2 is wrapped by the accommodating groove 111 of the shell 11. Moreover, the side of the housing 11 departing from the male head 21 is provided with a sliding groove 112 in a penetrating manner, the sliding groove 112 can accommodate the driving part 13, the end of the driving part 13 faces the elastic buckle 211 of the male head 21, the driving part 13 can move along the groove wall of the sliding groove 112, the elastic buckle 211 always has a tendency of driving the driving part 13 to be away from the male head 21, and when the driving part 13 is driven to be close to the elastic buckle 211 by a finger, the driving part 13 can press the elastic buckle 211 and release the connection state of the elastic buckle 211 of the male head 21 and the clamping groove 221 of the female head 22.

In addition, a through hole 113 is formed through a groove wall of the sliding groove 112, the limiting piece 12 is accommodated in the through hole 113, the limiting piece 12 can move relative to a hole wall of the through hole 113, when the elastic buckle 211 is fixedly connected with the clamping groove 221, in order to prevent the elastic buckle 211 from pushing the driving piece 13 back and continuing to abut against the clamping groove 221 for locking, at this time, the limiting piece 12 is moved to limit the movement of the driving piece 13, the relative position of the driving piece 13 and the shell 11 can be fixed, and the male head 21 and the female head 22 can be detached and separated.

Therefore, the connector assembling and disassembling tool 1 provided by the embodiment of the invention can complete the disassembling tool of the low-voltage wiring harness connector 2 only by one finger or one operating tool, can reduce the gap between the low-voltage wiring harness connector and the battery box body 3, further improves the disassembling efficiency of the low-voltage wiring harness connector 2, and also improves the energy density of a battery system.

In one embodiment, referring to fig. 2, the retaining member 12 includes a button 121, a pin 122 and a first spring 123, wherein one side of the driving member 13 close to the retaining member 12 is provided with a sunk groove 131, the pin 122 and the first spring 123 are accommodated by the sunk groove 131, and one end of the first spring 123 is fixedly connected with the groove bottom of the sunk groove 131, and the other end of the first spring 123 is fixedly connected with the pin 122, so that the pin 122 can move along the groove wall of the sunk groove 131 because the first spring 123 always has a tendency to drive the pin 122 away from the driving member 13, and the pin 122 can always abut against the sliding groove 112. When the pin block 122 does not protrude from the notch of the sinking groove 131, the driving element 13 can move in the sliding groove 112 at will, and when the driving element 13 moves until the pin block 122 faces the through hole 113 and the pin block 122 protrudes from the notch of the sinking groove 131, the pin block 122 abuts against the hole wall of the through hole 113, so that the driving element 13 is limited to move in the sliding groove 112, and the effect of fixing the driving element 13 is achieved. Since the push button 121 can move along the hole wall of the through hole 113, when the push button 121 moves toward the pin block 122 and presses the pin block 122 to be flush with the notch of the sinking groove 131, the abutting state of the pin block 122 with the through hole 113 is released, and at this time, the driving member 13 is pressed so that the pin block 122 is not aligned with the through hole 113, and the driving member 13 can be driven to return to the state of moving arbitrarily in the sliding groove 112. When the driving member 13 moves to the position where the pin block 122 is opposite to the through hole 113 again, the pin block 122 can be ejected out of the notch of the sinking groove 131 through the first spring 123, and the effect of fixing the driving member 13 is achieved again.

Further, referring to fig. 5, the button 121 is provided with protrusions 1211 at both sides of an end portion thereof adjacent to the pin block 122, the through hole 113 is provided with grooves 1131 at both sides of an end portion thereof adjacent to the pin block 122, the grooves 1131 can accommodate the protrusions 1211, the width of the grooves 1131 along the length direction of the button 121 is greater than the width of the protrusions 1211 along the length direction of the button 121, and when the button 121 moves along the through hole 113, the movement of the button 121 can be restricted by the grooves 1131 to form a movement restriction on the button 121, thereby preventing the button 121 from being separated from the through hole 113.

Optionally, referring to fig. 3 and 4, the junction of the pin block 122 and the button 121 is provided with a chamfer structure 1221, the chamfer 1221 is provided on the side of the pin block 122 facing away from the male head 21, and when the driving member 13 moves in the sliding slot 112 away from the male head 21 and the pin block 122 is pressed by the button 121, the pin block 122 is guided by the chamfer 1221 to be flush with the notch of the sunken groove 131 or lower than the notch of the sunken groove 131, so that the driving member 13 can be more quickly out of the state of being restricted in movement by the pin block 122.

In another embodiment, referring to fig. 6 and 9, a protrusion 132 is disposed on a side surface of the driving member 13, a groove wall of the sliding groove 112 is recessed with a limiting groove 114, a width of the limiting groove 114 along the length direction of the driving member 13 is greater than a width of the protrusion 132 along the length direction of the driving member 13, the limiting groove 114 can accommodate the protrusion 132, a moving distance of the protrusion 132 is limited by the limiting groove 114, and thus the moving distance of the driving member 13 is limited, and the driving member 13 can be prevented from being separated from the housing 11.

Preferably, with reference to fig. 6, a second spring 133 is disposed between the protrusion 132 and the housing 11, the second spring 133 always has a tendency to drive the driving member 13 away from the elastic catch 211, and when the driving member 13 moves close to the elastic catch 211 of the male 21, the driving member 13 can be reset to a position away from the elastic catch 211 through the second spring 133, so that the connector assembly and disassembly tool 1 of the embodiment of the present invention can be automatically reset, and manual reset operations are reduced.

In particular, referring to fig. 7, the connector assembly and disassembly tool 1 according to the embodiment of the present invention further includes a clamping member 14, the clamping member 14 is disposed on both sides of the male head 21, the adjusting groove 115 is disposed on both sides of the receiving groove 111, the clamping member 14 is received in the adjusting groove 115, the clamping member 14 can move along the groove wall of the adjusting groove 115, and the male head 21 can be locked when the clamping member 14 is moved and the clamping member 14 abuts against the male head 21, so that the connector assembly and disassembly tool 1 according to the embodiment of the present invention is fixedly disposed on the male head 21 of the low voltage wiring harness connector 2, and the position deviation between the driving member 13 and the elastic buckle 211 is avoided.

Preferably, referring to fig. 7, a third spring 141 is disposed between the housing 11 and the clamping member 14, the third spring 141 always has a tendency of driving the clamping member 14 to approach the male head 21, the clamping member 14 is released from being controlled by driving the two clamping members 14 to keep away from the male head 21 and then adjusting the position of the housing 11 relative to the male head 21, the clamping member 14 can automatically move toward the male head 21 through the elastic action of the third spring 141, the action of manually driving the clamping member 14 to move can also be reduced, and the fixing efficiency of the connector assembling and disassembling tool 1 and the male head 21 according to the embodiment of the present invention is increased.

Before the male head 21 and the housing 11 are fixedly arranged, referring to fig. 7, the connector assembling and disassembling tool 1 according to the embodiment of the present invention further includes a locking member 15, a groove wall of the adjusting groove 115 is provided with an adjusting hole 116, the locking member 15 is arranged in the adjusting hole 116, the locking member 15 can move along a hole wall of the adjusting hole 116, and a recessed structure 142 is arranged on a surface of the clamping member 14 facing the locking member 15. Preferably, referring to fig. 7 and 8, the locking member 15 can be detachably connected with the recessed structure 142 by driving the locking member 15 to move toward the clamping member 14 and abut against the recessed structure 142, which has the effect of locking the clamping member 14. Specifically, when the housing 11 is moved toward the female connector 22 along the receiving groove 111, the locking member 15 can be pushed away from the recessed structure 142, so that the locking state between the locking member 15 and the recessed structure 142 is released, and at this time, the clamping member 14 is driven to move toward the male connector 21, so that the male connector 21 can be locked by the clamping member 14, and the connector mounting and demounting tool 1 according to the embodiment of the present invention and the male connector 21 of the low-voltage harness connector 2 can be fixedly disposed.

More preferably, referring to fig. 7 and 8, the locking member 15 includes a first magnetic block 151 and a second magnetic block 152, the first magnetic block 151 is fixedly disposed with the housing 11, the second magnetic block 152 is movably disposed in the adjusting hole 116, and the first magnetic block 151 and the second magnetic block 152 have the same magnetism, so that the second magnetic block 152 always has a tendency to be away from the first magnetic block 151. That is, when the clamping member 14 moves along the adjusting groove 115 and the second magnetic block 152 faces the recessed structure 142, the second magnetic block 152 is driven by the first magnetic block 151 to move into the recessed structure 142, so as to form a locking state of the locking member 15 and the recessed structure 142.

In a preferred embodiment, referring to fig. 7, the recessed structure 142 can accommodate the latch 212 on both sides of the male head 21, the latch 212 can be detachably connected to the recessed structure 142, the second magnetic block 152 faces the latch 212, when the housing 11 moves towards the female head 22, that is, the latch 212 abuts against the second magnetic block 152 and drives the second magnetic block 152 to move towards the first magnetic block 151, the second magnetic block 152 can be ejected away from the recessed structure 142, and the clamping member 14 can move towards the latch 212 of the male head 21 and detachably connected to the latch 212, so as to achieve the effect of locking the male head 21 by the clamping member 14.

Referring to fig. 10, an embodiment of the present invention further provides a battery system, which includes a battery box 3, a low-voltage harness connector 2, and the connector mounting and dismounting tool 1 according to any one of the above embodiments, where the connector mounting and dismounting tool 1 is disposed in a gap between the battery box 3 and the low-voltage harness connector 2. The connector assembling and disassembling tool 1 in this embodiment may have the same structure and achieve the same effect as the connector assembling and disassembling tool 1 in the above embodiments, and details are not repeated in this embodiment.

In the description herein, it is to be understood that the terms "upper", "lower", "right", and the like are used in a descriptive sense or a positional relationship based on the orientation shown in the drawings for convenience of description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used merely for descriptive purposes and are not intended to have any special meaning.

In the description herein, references to "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art.

The technical principles of the present invention have been described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be taken in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.

Claims

1. The utility model provides a connector loading and unloading frock, its characterized in that, includes shell, locating part and driving piece, be provided with the holding tank in the shell, the holding tank can hold public head and female head of low pressure pencil connector, the shell deviates from one side of public head is run through and is provided with the spout, the spout can hold the driving piece, the tip orientation of driving piece the elasticity buckle of public head, the driving piece can be followed the cell wall of spout removes and presses elasticity buckle, elasticity buckle has all the time and orders about the driving piece is kept away from the trend of public head, the cell wall of spout runs through and is provided with the through-hole, the through-hole has held the locating part, the locating part can be relative the pore wall of through-hole removes, the locating part can restrict the removal of driving piece, the locating part includes button, round pin piece and first spring, the driving piece is close to one side of locating part is provided with the counter sink, the counter sink can hold round pin piece with first spring, the one end of first spring with the tank bottom fixed connection of counter sink, the other end of first spring with round pin piece fixed connection, the round pin piece can be followed the trend in the hole wall of counter pin piece removes.

2. The connector assembling and disassembling tool according to claim 1, wherein protrusions are respectively arranged on two sides of the end portion, close to the pin block, of the button, grooves are arranged on two sides, close to the end portion of the pin block, of the through hole, the grooves can accommodate the protrusions, and the width of each groove in the length direction of the button is larger than that of each protrusion in the length direction of the button.

3. The connector assembling and disassembling tool according to claim 1, characterized in that a chamfer structure is arranged at a joint of the pin block and the button, and the chamfer structure is arranged on one side of the pin block, which is far away from the male head.

4. The connector assembly handling tool of claim 1, wherein a protrusion is disposed on a side surface of the driving member, a limiting groove is recessed in a groove wall of the sliding groove, a width of the limiting groove in a length direction of the driving member is greater than a width of the protrusion in the length direction of the driving member, and the limiting groove can accommodate the protrusion.

5. The connector assembling and disassembling tool according to claim 4, wherein a second spring is arranged between the projection and the shell, and the second spring always has a tendency of driving the driving piece to be away from the elastic buckle.

6. The connector assembly and disassembly tool of claim 1, further comprising a clamping member, wherein the clamping member is disposed on each of two sides of the male head, an adjusting groove is disposed on each of two sides of the accommodating groove, the clamping member is accommodated in the adjusting groove and can move along a groove wall of the adjusting groove, and the clamping member can lock the male head when abutting against the male head.

7. The connector assembling and disassembling tool according to claim 6, wherein a third spring is arranged between the shell and the clamping piece, and the third spring always has a tendency of driving the clamping piece to be close to the male head.

8. The connector assembling and disassembling tool according to claim 6, further comprising a locking piece, wherein a regulating hole is formed in a groove wall of the regulating groove, the locking piece is arranged in the regulating hole and can move along a hole wall of the regulating hole, a recessed structure is arranged on one surface, facing the locking piece, of the clamping piece, and the locking piece can be detachably connected with the recessed structure.

9. The connector assembling and disassembling tool according to claim 8, wherein the locking piece comprises a first magnetic block and a second magnetic block, the first magnetic block and the shell are fixedly arranged, the second magnetic block is movably arranged in the adjusting hole, and the magnetism of the first magnetic block is the same as that of the second magnetic block, so that the second magnetic block always tends to be far away from the first magnetic block.

10. A battery system comprising a battery case, a low-voltage harness connector, and the connector attachment/detachment tool according to any one of claims 1 to 9, the connector attachment/detachment tool being provided in a gap between the battery case and the low-voltage harness connector.