CN212386635U - Battery pack and electric bicycle - Google Patents
Battery pack and electric bicycle Download PDFInfo
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- CN212386635U CN212386635U CN202020558638.8U CN202020558638U CN212386635U CN 212386635 U CN212386635 U CN 212386635U CN 202020558638 U CN202020558638 U CN 202020558638U CN 212386635 U CN212386635 U CN 212386635U
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Abstract
The embodiment of the disclosure belongs to the technical field of electric bicycles, and particularly relates to a battery assembly and an electric bicycle. The disclosed embodiment aims to solve the problems that the replacement operation of the connector in the related art is complex, time-consuming and labor-consuming. According to the battery assembly and the electric bicycle, the shell is enclosed into the accommodating cavity, the battery pack is arranged in the accommodating cavity, and the shell is provided with the first mounting hole and the dismounting hole communicated with the first mounting hole; the dismounting plate is arranged in the dismounting opening, and the connector is arranged in the first mounting opening; the first connecting wire on the connector is connected with the second connecting wire on the battery pack through the plug connector; when the connector is damaged and needs to be replaced, the connector and the dismounting plate are dismounted from the shell, and the first mounting opening and the dismounting opening are communicated to form a larger opening; compared with the case that the case is opened, and the first connecting line and the second connecting line are separated; the shell does not need to be opened, so that the replacement operation of the connector is simplified, and time and labor are saved.
Description
Technical Field
The embodiment of the disclosure relates to an electric bicycle technology, in particular to a battery pack and an electric bicycle.
Background
With the development of battery technology, electric bicycles have been widely used due to their high convenience and comfort.
In the related technology, the electric bicycle comprises a bicycle body and a battery assembly detachably arranged on the bicycle body, wheels are arranged at two ends of the bicycle body, and a motor is in transmission connection with the wheels so as to drive the electric bicycle to run; the battery pack comprises a shell, a battery pack and a connector, wherein the shell comprises a first shell and a second shell which are detachably connected, the first shell and the second shell are enclosed into an accommodating cavity, and the battery pack is arranged in the accommodating cavity; the battery pack is provided with a first connecting wire, and the first connecting wire and the second connecting wire are detachably connected through a plug connector positioned in the accommodating cavity; the connector is used for being detachably connected with a connecting piece on the electric bicycle, so that the battery is electrically connected with the motor through the connector and the connecting piece.
However, when the connector is damaged and needs to be replaced, the first connecting wire and the second connecting wire need to be separated in order to separate the plug connector, and the first housing and the second housing need to be separated, so that the replacing operation of the connector is complicated, and time and labor are wasted.
SUMMERY OF THE UTILITY MODEL
The embodiment of the disclosure provides a battery pack and an electric bicycle, which are used for solving the problems that when a connector is damaged and needs to be replaced, a first connecting wire and a second connecting wire are separated for separating a plug connector, a first shell and a second shell need to be separated, and the replacement operation of the connector is complex and time and labor are wasted.
In one aspect, embodiments of the present disclosure provide a battery assembly, including: the battery pack comprises a shell, a battery pack, a connector and a dismounting plate, wherein the shell is enclosed into an accommodating cavity, and the battery pack is arranged in the accommodating cavity; the shell is provided with a first mounting opening, the connector is arranged in the first mounting opening, and the connector and the shell are detachably connected; the connector is provided with a first connecting wire, the battery pack is provided with a second connecting wire, and the first connecting wire and the second connecting wire are detachably connected through a plug connector; the connector is used for being detachably connected with a connecting piece on the body of the electric bicycle; still be provided with on the casing with the dismantlement mouth of first installing port intercommunication, the dismantlement board sets up in the dismantlement mouth, just the dismantlement board with detachable connects between the casing.
Through the arrangement, the shell is enclosed into the accommodating cavity, the battery pack is arranged in the accommodating cavity, and the shell is provided with a first mounting hole and a dismounting hole communicated with the first mounting hole; the dismounting plate is arranged in the dismounting opening, and the connector is arranged in the first mounting opening; the first connecting wire on the connector is detachably connected with the second connecting wire on the battery pack through a plug connector; when the connector is damaged and needs to be replaced, the connector and the dismounting plate are dismounted from the shell, and the first mounting opening and the dismounting opening are communicated to form a larger opening, so that the plug connector positioned in the accommodating cavity can be conveniently pulled out, and the first connecting wire and the second connecting wire are separated; compared with the method that the shell is opened, and the first connecting line and the second connecting line are separated to replace the connector; the shell does not need to be opened, so that the replacement operation of the connector is simplified, and time and labor are saved.
In some embodiments, which may include the above embodiments, the dismounting plate is provided with a second mounting opening, and the connector is provided in the first mounting opening and the second mounting opening. With the arrangement, the space on the dismounting board is used for accommodating part of the connector, so that the size of the first mounting opening is reduced.
In some embodiments, which may include the above-described embodiments, the outer wall of the housing of the first mounting opening edge is recessed inwardly to form a first mounting groove, the outer wall of the stripper plate of the second mounting opening edge is recessed inwardly to form a second mounting groove, and the edge of the connector is formed with a first mounting flange received in the first mounting groove and a second mounting flange received in the second mounting groove.
Due to the arrangement, the contact area between the connector and the dismounting plate and between the connector and the shell is increased, in addition, the connector is prevented from being protruded from the outer walls of the dismounting plate and the shell, and the connector is prevented from being scratched and rubbed with external objects, so that the connector is prevented from being damaged.
In some embodiments, which may include the above embodiments, the first mounting groove is provided with a first mounting hole at a groove bottom thereof, and the first mounting flange is provided with a second mounting hole thereon; a third mounting hole is formed in the bottom of the second mounting groove, and a fourth mounting hole is formed in the second mounting flange; the first mounting bolt penetrates through the first mounting hole and the second mounting hole, and the second mounting bolt penetrates through the third mounting hole and the fourth mounting hole.
By the arrangement, the structure is simple and the installation is convenient; in addition, the connector is connected with the shell through the first mounting bolt and is connected with the dismounting plate through the second mounting bolt, and therefore the connection strength of the connector is improved.
In some embodiments, which may include the above embodiments, the first mounting hole and the third mounting hole are both threaded holes; the inner side of the dismounting plate is provided with a reinforcing column, and the third mounting hole extends into the reinforcing column.
According to the arrangement, the first mounting bolt penetrates through the second mounting hole and then is matched with the first mounting hole, and the second mounting bolt penetrates through the fourth mounting hole and then is matched with the third mounting hole, so that the connector can be fixed, and the mounting is convenient; in addition, the thickness of the dismounting plate is small, the reinforcing column is arranged on the inner side of the dismounting plate, the third mounting hole extends into the reinforcing column, the matching length between the second mounting bolt and the third mounting hole can be increased, and the connecting strength between the second mounting bolt and the dismounting plate is further improved.
In some embodiments, which may include the above embodiments, a side wall of the first mounting opening facing away from the second mounting opening forms a first limiting groove, and the connector is provided with a first limiting portion, and the first limiting portion is matched with the first limiting groove. So set up, first spacing groove can restrict the position of connector in first installing port to improve the position accuracy of connector.
In some embodiments, which may include the above embodiments, a second limiting groove is formed on a side wall of the second mounting opening, which faces away from the first mounting opening, and a second limiting portion is disposed on the connector, and the second limiting portion is engaged with the second limiting groove; the cross-sectional shape of the first limiting groove is different from that of the second limiting groove along the direction perpendicular to the central line of the first mounting opening.
So set up, first spacing portion can only cooperate with first spacing groove, and the spacing portion of second can only cooperate with the second spacing groove, has avoided connector installation direction mistake, and then has avoided because of connector installation direction mistake, the connector that leads to and the connecting piece between be connected failure.
In some embodiments, which may include the above embodiments, a side wall of the removal opening adjacent to the first mounting opening and a side wall of the removal opening opposite to the first mounting opening are provided with third mounting flanges; the detachment plate overlies the third mounting flange. So configured, the third mounting flange may prevent the take-down plate from moving inwardly of the housing.
In some embodiments, which may include the above embodiments, the third mounting flange is provided with a fifth mounting hole, the dismounting plate is provided with a sixth mounting hole, and a third mounting bolt is inserted into the fifth mounting hole and the sixth mounting hole. So set up, improved the joint strength between dismantlement board and the casing.
In some embodiments, which may include the above embodiments, the housing includes a first housing and a second housing that are detachably connected, a first receiving groove is disposed on a first surface of the first housing, a second receiving groove is disposed on a second surface of the second housing, and the first receiving groove and the second receiving groove enclose the receiving cavity; the disassembly port is arranged on the first shell and the second shell, and the first installation port is arranged on the second shell.
In another aspect, an embodiment of the present disclosure further provides an electric bicycle, including: a vehicle body and a battery pack as described above.
According to the electric bicycle provided by the embodiment of the disclosure, a housing of a battery assembly is enclosed into an accommodating cavity, a battery pack is arranged in the accommodating cavity, and the housing is provided with a first mounting hole and a dismounting hole communicated with the first mounting hole; the dismounting plate is arranged in the dismounting opening, and the connector is arranged in the first mounting opening; the first connecting wire on the connector is detachably connected with the second connecting wire on the battery pack through a plug connector; when the connector is damaged and needs to be replaced, the connector and the dismounting plate are dismounted from the shell, and the first mounting opening and the dismounting opening are communicated to form a larger opening, so that the plug connector positioned in the accommodating cavity can be conveniently pulled out, and the first connecting wire and the second connecting wire are separated; compared with the method that the shell is opened, and the first connecting line and the second connecting line are separated to replace the connector; the shell does not need to be opened, so that the replacement operation of the connector is simplified, and time and labor are saved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
Fig. 1 is a schematic structural diagram of an electric bicycle provided in an embodiment of the present disclosure;
fig. 2 is a first schematic structural diagram of a battery assembly according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a battery assembly according to an embodiment of the present disclosure;
fig. 4 is an exploded view of a battery assembly provided by an embodiment of the present disclosure;
fig. 5 is a schematic structural diagram of a connector in a battery assembly provided in an embodiment of the present disclosure;
fig. 6 is a schematic structural diagram of a detaching plate in a battery assembly according to an embodiment of the present disclosure.
Description of reference numerals:
1: a vehicle body;
2: a battery assembly;
10: a housing;
20: a battery pack;
30: a connector;
40: disassembling the plate;
50: a plug-in unit;
101: a first housing;
102: a second housing;
103: an accommodating chamber;
201: a second connecting line;
301: a first mounting flange;
302: a second mounting flange;
303: a first limiting part;
304: a second limiting part;
305: a first connecting line;
401: a second mounting opening;
402: a second mounting groove;
403: a reinforcement column;
404: a second limit groove;
1011: a disassembly port;
1012: a third mounting flange;
1013: a fifth mounting hole;
1021: a first mounting port;
1022: a first mounting groove;
1023: a first mounting hole;
1024: a first limit groove;
3031: a first limit post;
3032: a first side plate;
3041: a second limit post;
3042: a second side plate.
With the foregoing drawings in mind, certain embodiments of the disclosure have been shown and described in more detail below. These drawings and written description are not intended to limit the scope of the disclosed concepts in any way, but rather to illustrate the concepts of the disclosure to those skilled in the art by reference to specific embodiments.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present disclosure more clear, the technical solutions of the embodiments of the present disclosure will be described clearly and completely with reference to the drawings in the embodiments of the present disclosure, and it is obvious that the described embodiments are some, but not all embodiments of the present disclosure. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.
The electric bicycle comprises a bicycle body, wherein wheels and a motor in transmission connection with the wheels are arranged on the bicycle body, and the number of the wheels arranged on the bicycle body can be two, three, four and the like; taking two wheels as an example, the two wheels are arranged at intervals along the running direction of the electric bicycle, and correspondingly, the motor can be in transmission connection with any one of the two wheels to provide power for the running of the electric bicycle. The electric bicycle can be further provided with a pedal driving device for a user to pedal, and the pedal driving device is also in transmission connection with the wheels, namely the power of the electric bicycle can be provided by the motor and/or the pedal driving device.
In order to supply power to a motor on the electric bicycle, a battery assembly is usually arranged on a bicycle body, a battery channel is arranged on the bicycle body, and the battery assembly is inserted in the battery channel; the battery pack includes: the battery pack comprises a shell, a battery pack and a connector, wherein the shell comprises a first shell and a second shell which are detachably connected, the first shell and the second shell are enclosed into an accommodating cavity, and the battery pack is arranged in the accommodating cavity; the battery pack is provided with a first connecting wire, and the first connecting wire and the second connecting wire are detachably connected through a plug connector positioned in the accommodating cavity; the bottom of battery passageway is provided with the connecting piece, and after putting into the battery passageway with the battery, the connector is connected with the connecting piece to realize the electricity between battery package and the motor through connector and connecting piece.
However, since the battery pack is frequently disassembled (such as charging a battery pack, etc.), the connector on the battery pack is frequently disassembled and assembled with the connecting piece on the vehicle body, so that the connector is easily damaged; when the connector damages the back and needs to be changed, because first connecting wire, second connecting wire and plug connector all are located inside the casing to the size of installing port is limited, makes first connecting wire and second connecting wire separation for the separation plug connector, need make first casing and second casing separation, and the change operation that leads to the connector is comparatively complicated, wastes time and energy.
The disclosed embodiment provides a battery assembly, wherein a dismounting hole is arranged beside an installation hole for installing a connector, and a dismounting plate is arranged in the dismounting hole; when the connector is replaced, the connector and the dismounting plate are only required to be dismounted from the shell, and the mounting opening and the dismounting opening are exposed, so that the opening area is increased; exposing the plug connector for connecting the first connecting wire and the second connecting wire, and further separating the first connecting wire and the second connecting wire to replace the connector; when the connector is replaced, the shell does not need to be opened, the replacement operation of the connector is simplified, and time and labor are saved.
Referring to fig. 1 to fig. 3, a battery assembly 2 provided in the embodiment of the present disclosure includes a housing 10, where the housing 10 is enclosed to form an accommodating cavity 103, and a battery pack 20 is disposed in the accommodating cavity 103; that is, the case 10 encloses an accommodation chamber 103 for storing the battery pack 20; the housing 10 may have a regular shape such as a rectangular parallelepiped shape or a cylindrical shape, for example, but the housing 10 may have another irregular shape.
In some embodiments, the housing 10 may include a first housing 101 and a second housing 102, the first housing 101 having a first surface, the first surface having a first receiving groove formed therein; correspondingly, the second housing 102 has a second surface, and the second surface is provided with a second receiving groove which is recessed inwards; when the first surface is attached to the second surface, the first accommodating groove and the second accommodating groove are enclosed to form an accommodating cavity 103; the first housing 101 and the second housing 102 may be detachably connected by bolts or snaps, so as to place the battery in the housing 10.
In this embodiment, the housing 10 may be mainly made of metal material such as copper and aluminum, but the housing 10 may also be mainly made of non-metal material such as plastic, and the material of the housing 10 is not limited in this embodiment.
The battery pack 20 disposed in the accommodating chamber 103 may be mainly composed of a rechargeable battery such as a lithium ion battery or a lead storage battery, but the battery pack 20 may also be composed of a non-rechargeable battery.
With continued reference to fig. 1, the battery assembly 2 is used to power an electric bicycle; specifically, the electric bicycle includes a vehicle body 1 and wheels provided on the vehicle body 1, and the number of the wheels may be two, three, four, or the like; taking the example that two wheels are arranged at intervals along the running direction of the electric bicycle, the two wheels comprise a front wheel positioned at the front end of the bicycle body 1 and a rear wheel positioned at the rear end of the bicycle body 1, and the front wheel and/or the rear wheel are in transmission connection with a motor so as to drive the electric bicycle to run through the motor; the bicycle body 1 can be provided with a pedal driving device for a user to pedal, and the pedal driving device is also in transmission connection with the wheels, namely the power of the electric bicycle can be provided by a motor and/or the pedal driving device.
A battery channel can be arranged on the vehicle body 1, and a connecting piece electrically connected with the motor is arranged at the bottom end of the battery channel; the battery pack 2 is provided with a connector 30, and the connector 30 is detachably connected with the connecting piece so as to realize the electric connection between the battery pack 2 and the motor through the connector 30 and the connecting piece. For example, the connector may be provided with a plurality of pins electrically connected to the motor, and the corresponding connector 30 is provided with a plurality of holes, each of which is provided with a contact piece electrically connected to the battery pack 20; after the battery assembly 2 is placed in the battery passage, each pin is inserted into the corresponding receptacle and contacts the contact piece in the corresponding receptacle.
In this embodiment, the housing 10 is provided with a first mounting port 1021, the connector 30 is disposed in the first mounting port 1021, and the connector 30 and the housing 10 are detachably connected, so that the connector 30 can be taken out from the first mounting port 1021 when the connector 30 is damaged.
In order to realize the connection between the connector 30 and the battery pack 20, a first connection line 305 is arranged on the connector 30, a second connection line 201 is arranged on the corresponding battery pack 20, and the first connection line 305 and the second connection line 201 are detachably connected through a plug connector 50; and the first connecting line 305, the second connecting line 201 and the plug 50 are all located in the accommodating chamber 103. The plug connectors 50 may include a first plug connector connected to the first connection line 305 and a second plug connector connected to the second connection line 201, and the first plug connector and the second plug connector are detachably connected to each other, that is, the first connection line 305 and the second connection line 201 are connected to each other.
For example, the first connector may include a plug post electrically connected to the first connection line 305, and a corresponding plug hole is formed in the second connector, and a conductive strip connected to the second connection line 201 is disposed in each plug hole; when connecting, each plugging column is inserted into the corresponding plugging hole, and the plugging column contacts with the conducting strip in the corresponding plugging hole to realize the connection between the first connecting line 305 and the second connecting line 201. Of course, in other implementations, the second connector may include a plug-in post electrically connected to the second connection line 201, and correspondingly, a plug-in hole is formed in the first connector, and a conductive strip connected to the first connection line 305 is disposed in each plug-in hole; when connecting, each plugging column is inserted into the corresponding plugging hole, and the plugging column contacts with the conducting strip in the corresponding plugging hole to realize the connection between the first connecting line 305 and the second connecting line 201.
With continued reference to fig. 2 and 3, in the present embodiment, the housing 10 is provided with a detaching port 1011 communicating with the first mounting port 1021, the detaching plate 40 is located in the detaching port 1011, and the detachable connection between the detaching plate 40 and the housing 10 is achieved; that is, the first mounting port 1021 is adjacent to the removal port 1011, and the first mounting port 1021 communicates with the removal port 1011. When the connector 30 is damaged and needs to be replaced, the connector 30 and the detaching plate 40 are detached from the housing 10, and at this time, the first mounting port 1021 and the detaching port 1011 are communicated to form a larger port, so that the plug connector 50 in the accommodating cavity 103 can be conveniently pulled out, and compared with the case of separating the first housing 101 and the second housing 102, so that the first connecting wire 305 and the second connecting wire 201 are separated to replace the connector 30; the first housing 101 and the second housing 102 do not need to be separated, so that the replacement operation of the connector 30 is simplified, and time and labor are saved.
In an implementation where the housing 10 includes the first housing 101 and the second housing 102 that are detachably connected, the detachment port 1011 may be disposed on the first housing 101 and the second housing 102, that is, the detachment port 1011 may be formed when the first housing 101 and the second housing 102 are connected together; accordingly, the first mounting port 1021 may be disposed on the second housing 102. Illustratively, a first detaching port is provided on the bottom surface of the first housing 101 at a position adjacent to the first surface, and a second detaching port is provided on the bottom surface of the second housing 102 at a position adjacent to the second surface, so that the first detaching port and the second detaching port constitute the detaching port 1011 when the first housing 101 is mounted on the second housing 102; the first mounting port 1021 is also disposed on the bottom surface of the second housing 102, and is adjacent to and in communication with the second dismounting port 1011.
Of course, in other implementations, the first mounting port 1021 and the dismounting port 1011 may be disposed on the first casing 101 or the second casing 102, which is not limited by the embodiment.
The process of replacing the connector 30 in the battery assembly 2 provided in the present embodiment is: separating the connector 30 from the case 10, wherein the first connection line 305 of the connector 30 is connected to the battery pack 20 through the connector 50; the detaching board 40 is then detached from the housing 10, at this time, the first mounting opening 1021 and the detaching opening 1011 form a large-area opening to expose the connector 50, and then the first connector and the second connector are separated, so that the first connecting line 305 is separated from the second connecting line 201, and the connector 30 is detached. After the connector 30 is detached, the first connector 50 on the first connection line 305 on the new connector 30 is plugged with the second connector 50, so that the second connection line 201 is connected with the first connection line 305 on the new connector 30 through the connector 50; the connector 30 and the detaching board 40 are then mounted on the housing 10 to complete the replacement of the connector 30.
In the battery assembly 2 provided in this embodiment, the housing 10 is enclosed to form the accommodating cavity 103, the battery pack 20 is disposed in the accommodating cavity 103, and the housing 10 is provided with the first mounting port 1021 and the detaching port 1011 communicating with the first mounting port 1021; the detaching plate 40 is disposed in the detaching port 1011, and the connector 30 is disposed in the first mounting port 1021; the first connecting line 305 on the connector 30 is detachably connected with the second connecting line 201 on the battery pack 20 through the plug connector 50; when the connector 30 is damaged and needs to be replaced, the connector 30 and the detaching plate 40 are detached from the housing 10, and at this time, the first mounting port 1021 and the detaching port 1011 are communicated to form a larger port, so as to facilitate pulling out the plug connector 50 located in the accommodating cavity 103, and further separate the first connecting line 305 and the second connecting line 201; compared with the case 10 opened to separate the first connection line 305 and the second connection line 201 to replace the connector 30; the housing 10 does not need to be opened, so that the replacement operation of the connector 30 is simplified, and time and labor are saved.
With continued reference to fig. 2 and 3, in the present embodiment, the second mounting opening 401 is provided on the dismounting board 40, and the connector 30 is provided in the first mounting opening 1021 and the second mounting opening 401. With this arrangement, the space on the dismounting board 40 is utilized to accommodate a portion of the connector 30, so as to reduce the size of the first mounting port 1021.
With continued reference to fig. 3-6, further, the outer wall of the housing 10 at the edge of the first mounting port 1021 is recessed inward to form a first mounting groove 1022, the outer wall of the dismounting board 40 at the edge of the second mounting port 401 is recessed inward to form a second mounting groove 402, and the edge of the connector 30 is formed with a first mounting flange 301 received in the first mounting groove 1022 and a second mounting flange 302 received in the second mounting groove 402. Due to the arrangement, the contact area between the connector 30 and the dismounting plate 40 as well as between the connector 30 and the shell 10 is increased, and in addition, the connector 30 is prevented from being protruded from the outer walls of the dismounting plate 40 and the shell 10, so that the connector 30 is prevented from being scratched from external objects, and the connector 30 is prevented from being damaged.
In the above implementation, the first mounting flange 301 and the second mounting flange 302 may be enclosed as a continuous flange that is disposed around the connector 30 and is located near the bottom of the connector 30.
In the present embodiment, the connector 30 is detachably connected to the housing 10; illustratively, the bottom of the first mounting groove 1022 is provided with a first mounting hole 1023, and the first mounting flange 301 is provided with a second mounting hole; a third mounting hole is formed at the bottom of the second mounting groove 402, and four mounting holes are formed in the second mounting flange 302; first mounting bolt wears to establish in first mounting hole 1023 and the second mounting hole, and the second mounting bolt wears to establish in third mounting hole and fourth mounting hole. By the arrangement, the structure is simple and the installation is convenient; in addition, the connector 30 is connected with the housing 10 through the first mounting bolt and also connected with the detaching plate 40 through the second mounting bolt, so that the connection strength of the connector 30 is improved.
With continued reference to fig. 4 and 6, further, the first and third mounting holes 1023 and 1023 are threaded holes; the inner side of the dismounting plate 40 is provided with a reinforcement column 403, and the third mounting hole extends into the reinforcement column 403. With such arrangement, when in installation, the first installation bolt penetrates through the second installation hole and then is matched with the first installation hole 1023, and the second installation bolt penetrates through the fourth installation hole and then is matched with the third installation hole, so that the connector 30 can be fixed, and the installation is convenient; in addition, because the thickness of the detaching plate 40 is small, the reinforcing column 403 is arranged on the inner side of the detaching plate 40, and the third mounting hole extends into the reinforcing column 403, so that the matching length between the second mounting bolt and the third mounting hole can be increased, and the connecting strength between the second mounting bolt and the detaching plate 40 is further improved.
In this embodiment, the side wall of the dismounting opening 1011 adjacent to the first mounting opening 1021 and the side wall of the dismounting opening 1011 opposite to the first mounting opening 1021 are provided with third mounting flanges 1012; the knock-out plate 40 overlies the third mounting flange 1012. So configured, the third mounting flange 1012 may prevent the removal plate 40 from moving toward the interior of the housing 10.
In the present embodiment, the detachable plate 40 is detachably connected to the housing 10, for example, the third mounting flange 1012 is provided with a fifth mounting hole 1013, the detachable plate 40 is provided with a sixth mounting hole, and the third mounting bolt is inserted into the fifth mounting hole 1013 and the sixth mounting hole. With this arrangement, the coupling strength between the knock-down plate 40 and the case 10 is improved. Of course, in other implementations, the detaching plate 40 may be connected to the housing 10 by a snap-fit connection.
In the implementation mode that the dismounting plate 40 is connected with the housing 10 through the third mounting bolt, the fifth mounting hole 1013 may be a threaded hole, and the third mounting bolt passes through the sixth mounting hole to be matched with the fifth mounting hole 1013, so that the connection between the dismounting plate 40 and the housing 10 can be realized, and the dismounting and mounting of the dismounting plate 40 are facilitated.
With continued reference to fig. 3-6, in the above implementation manner, the edge of the connector 30 is provided with a first limiting portion 303, a first limiting groove 1024 is correspondingly formed on a side wall of the first mounting opening 1021 facing away from the second mounting hole, and the first limiting portion 303 is matched with the first limiting groove 1024; that is, when the connector 30 is mounted in the first mounting opening 1021, the first position-limiting portion 303 is slidably disposed in the first position-limiting groove 1024, and the first position-limiting groove 1024 can limit the position of the connector 30 in the first mounting opening 1021, so as to improve the position accuracy of the connector 30.
In an implementation manner that the second mounting port 401 is formed in the detachable plate 40, and the connector 30 is disposed in the first mounting port 1021 and the second mounting port 401, a second limiting groove 404 is formed in a side wall of the second mounting port 401, which is away from the first mounting port 1021, a second limiting portion 304 opposite to the first limiting portion 303 is disposed on the connector 30, and the second limiting portion 304 is matched with the first limiting portion 303. With this arrangement, the first position limiting portion 303 and the second position limiting portion 304 can simultaneously position the connector 30, so as to further improve the position accuracy of the connector 30.
Further, the cross-sectional shape of the first limiting groove 1024 is different from the cross-sectional shape of the second limiting groove 404 along a direction perpendicular to the center line of the first mounting port 1021; that is, the cross-sectional shape of the first stopper 303 is different from the cross-sectional shape of the second stopper 304 in a direction perpendicular to the center line of the first mounting hole 1021. So set up, first spacing portion 303 can only cooperate with first spacing groove 1024, and second spacing portion 304 can only cooperate with second spacing groove 404, has avoided connector 30 installation direction mistake, and then has avoided because of connector 30 installation direction mistake, the connector 30 that leads to and the connecting between the connecting piece fail.
Illustratively, the plug connector 50 includes a plug connector body in a rectangular parallelepiped shape, the first limiting portion 303 may be disposed on a side wall of the plug connector body facing the first mounting opening 1021, the first limiting portion 303 may include a first limiting column 3031, a center line of the first limiting column 3031 is parallel to a center line of the first mounting opening 1021, the first limiting portion 303 further includes a first side plate 3032 connecting the first limiting column 3031 and the plug connector body, and the first side plate 3032 is perpendicular to the side wall of the plug connector body facing the first mounting opening 1021; correspondingly, the second limiting portion 304 may be disposed on a sidewall of the plug main body departing from the first mounting opening 1021, the second limiting portion 304 includes a second limiting post 3041, a central line of the second limiting post 3041 is parallel to a central line of the first mounting opening 1021, the second limiting portion 304 further includes a second side plate 3042 connecting the second limiting post 3041 and the plug main body, the second side plate 3042 is disposed in an inclined manner with respect to the sidewall of the plug main body departing from the first mounting opening 1021, so that a cross-sectional shape of the first limiting portion 303 is different from a cross-sectional shape of the second limiting portion 304.
In other implementations, the cross section of the first position-limiting portion 303 may be circular, and the cross section of the corresponding second position-limiting portion 304 may be rectangular; the shape of the first position-limiting portion 303 and the second position-limiting portion 304 is not limited in this embodiment, as long as the cross-sectional shape of the first position-limiting portion 303 is different from the cross-sectional shape of the second position-limiting portion 304.
With continued reference to fig. 1-6, the embodiment of the present disclosure further provides an electric bicycle, which includes a bicycle body 1 and the battery assembly 2 of the foregoing embodiment.
In the electric bicycle provided in this embodiment, the housing 10 of the battery assembly 2 is enclosed into the accommodating cavity 103, the battery pack 20 is disposed in the accommodating cavity 103, and the housing 10 is provided with a first mounting opening 1021 and a detaching opening 1011 communicating with the first mounting opening 1021; the detaching plate 40 is disposed in the detaching port 1011, and the connector 30 is disposed in the first mounting port 1021; the first connecting line 305 on the connector 30 is detachably connected with the second connecting line 201 on the battery pack 20 through the plug connector 50; when the connector 30 is damaged and needs to be replaced, the connector 30 and the detaching plate 40 are detached from the housing 10, and at this time, the first mounting port 1021 and the detaching port 1011 are communicated to form a larger port, so as to facilitate pulling out the plug connector 50 located in the accommodating cavity 103, and further separate the first connecting line 305 and the second connecting line 201; compared with the case 10 opened to separate the first connection line 305 and the second connection line 201 to replace the connector 30; the housing 10 does not need to be opened, so that the replacement operation of the connector 30 is simplified, and time and labor are saved.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present disclosure, and not for limiting the same; while the present disclosure has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present disclosure.
Claims (11)
1. A battery assembly, comprising: the battery pack comprises a shell, a battery pack, a connector and a dismounting plate, wherein the shell is enclosed into an accommodating cavity, and the battery pack is arranged in the accommodating cavity; the shell is provided with a first mounting opening, the connector is arranged in the first mounting opening, and the connector and the shell are detachably connected; the connector is provided with a first connecting wire, the battery pack is provided with a second connecting wire, and the first connecting wire and the second connecting wire are detachably connected through a plug connector; the connector is used for being detachably connected with a connecting piece on the body of the electric bicycle;
still be provided with on the casing with the dismantlement mouth of first installing port intercommunication, the dismantlement board sets up in the dismantlement mouth, just the dismantlement board with detachable connects between the casing.
2. The battery pack of claim 1, wherein the knock-out plate is provided with a second mounting opening, and the connector is provided in the first mounting opening and the second mounting opening.
3. The battery pack of claim 2, wherein the outer wall of the housing at the edge of the first mounting opening is recessed inwardly to form a first mounting groove, the outer wall of the take-down plate at the edge of the second mounting opening is recessed inwardly to form a second mounting groove, and the edge of the connector is formed with a first mounting flange received in the first mounting groove and a second mounting flange received in the second mounting groove.
4. The battery pack of claim 3, wherein the bottom of the first mounting groove is provided with a first mounting hole, and the first mounting flange is provided with a second mounting hole; a third mounting hole is formed in the bottom of the second mounting groove, and a fourth mounting hole is formed in the second mounting flange; the first mounting bolt penetrates through the first mounting hole and the second mounting hole, and the second mounting bolt penetrates through the third mounting hole and the fourth mounting hole.
5. The battery assembly of claim 4, wherein the first mounting hole and the third mounting hole are both threaded holes; the inner side of the dismounting plate is provided with a reinforcing column, and the third mounting hole extends into the reinforcing column.
6. The battery pack of claim 3, wherein a first limiting groove is formed in a side wall of the first mounting opening facing away from the second mounting opening, and a first limiting portion is disposed on the connector and is engaged with the first limiting groove.
7. The battery pack according to claim 6, wherein a second limiting groove is formed on a side wall of the second mounting opening, which faces away from the first mounting opening, and a second limiting part is arranged on the connector and is matched with the second limiting groove; the cross-sectional shape of the first limiting groove is different from that of the second limiting groove along the direction perpendicular to the central line of the first mounting opening.
8. The battery assembly of claim 2, wherein a third mounting flange is disposed on a side wall of the removal opening adjacent to the first mounting opening and a side wall of the removal opening opposite to the first mounting opening; the detachment plate overlies the third mounting flange.
9. The battery assembly of claim 8, wherein the third mounting flange is provided with a fifth mounting hole, the disassembly plate is provided with a sixth mounting hole, and a third mounting bolt is inserted into the fifth mounting hole and the sixth mounting hole.
10. The battery pack according to any one of claims 1 to 9, wherein the housing comprises a first housing and a second housing detachably connected, a first receiving groove is formed on a first surface of the first housing, a second receiving groove is formed on a second surface of the second housing, and the first receiving groove and the second receiving groove enclose the receiving cavity;
the disassembly port is arranged on the first shell and the second shell, and the first installation port is arranged on the second shell.
11. An electric bicycle, comprising: a vehicle body and a battery assembly as claimed in any one of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020558638.8U CN212386635U (en) | 2020-04-15 | 2020-04-15 | Battery pack and electric bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020558638.8U CN212386635U (en) | 2020-04-15 | 2020-04-15 | Battery pack and electric bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212386635U true CN212386635U (en) | 2021-01-22 |
Family
ID=74258150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020558638.8U Active CN212386635U (en) | 2020-04-15 | 2020-04-15 | Battery pack and electric bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212386635U (en) |
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2020
- 2020-04-15 CN CN202020558638.8U patent/CN212386635U/en active Active
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