CN220963853U - Electric connection device and automatic battery compartment that trades - Google Patents
Electric connection device and automatic battery compartment that trades Download PDFInfo
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- CN220963853U CN220963853U CN202322375003.0U CN202322375003U CN220963853U CN 220963853 U CN220963853 U CN 220963853U CN 202322375003 U CN202322375003 U CN 202322375003U CN 220963853 U CN220963853 U CN 220963853U
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- 230000008859 change Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000004134 energy conservation Methods 0.000 description 2
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- 239000000446 fuel Substances 0.000 description 1
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- 238000012423 maintenance Methods 0.000 description 1
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Abstract
The utility model provides an electric connection device and an automatic battery compartment for replacing electricity, wherein the electric connection device comprises an electric connector mounting plate and a turnover driving mechanism, and the turnover driving mechanism drives the electric connector mounting plate to turn over to an electric connection position and an avoidance position; when the electric connector is positioned at the electric connection position, the electric connector on the electric connector mounting plate is spliced with the battery electric connector; when in the retracted position, the electrical connector mounting plate is remote from the battery in the rotated battery position. The electric connection device can ensure that the electric connector on the electric connector mounting plate is spliced with the electric connector of the battery; but also can not interfere with the rotation of the battery when the battery rotates.
Description
Technical Field
The utility model belongs to the technical field of electric automobile manufacturing, and particularly relates to an electric connection device and an automatic battery compartment for replacing electric batteries.
Background
With the increasing exhaustion of petroleum resources and the increasing awareness of environmental protection, new energy automobiles are increasingly favored by people. The electric automobile replaces the fuel oil engine with the motor, is powered by the storage battery, is driven by the motor without a gearbox, has the advantages of energy conservation, environmental protection, convenient operation and maintenance, reliable operation, low noise and the like, and currently, the electric automobile has the blowout development in recent years with the energy conservation and environmental protection advantages. The traditional new energy automobile is sold according to the whole automobile because the power battery is fixed on the chassis and can not be quickly replaced, and the technology is still immature due to the fact that the cost of the power battery is high at present, so that the new energy automobile is limited in endurance mileage, high in price and limited in product attractive force, and is in a disadvantage when competing with a fuel automobile. The electric automobile has promoted the appearance of quick change electric automobile because of its short board to battery charging time, and the technique of changing the electricity can let vehicle and power battery separate, provides the possibility that can sell the power battery alone for the manufacturer, and relevant enterprise is according to this unique characteristic, explores the new mode of "car electricity separation", and power battery separates with the vehicle, sells alone and rents, and rents the battery and can share the disposable purchase cost to monthly, greatly alleviates consumer's fund pressure.
The Chinese patent (application number: 201921333776X) discloses an automatic conveying battery compartment for an electric automobile, which comprises a battery compartment body for automatically conveying batteries and a control system, wherein the battery compartment body for changing the electric is arranged on an automobile chassis and comprises a front compartment, a rear compartment and a rotary compartment which are mutually communicated, the rotary compartment is arranged between the front compartment and the rear compartment, and a battery compartment inlet is arranged at the front end of the front compartment; the bottoms of the front bin and the rear bin are respectively provided with a battery conveying device, and a battery supporting device, a battery rotating device and a battery conveying mechanism are arranged in the rotating bin; the battery conveying device, the battery rotating device and the battery conveying mechanism are all connected with the control system, and the control system controls the batteries to be conveyed into the rotating bin from the front bin and to enter the rear bin from the longitudinal rotation mode to the transverse rotation mode. In addition, the universality of the battery compartment for electric automobiles with various specifications can be improved.
The bottom space in the car can be fully utilized by the technology of the patent, the number of the storage batteries of the whole car is increased, the electric quantity of the whole car is further increased, and the cruising ability of the whole car is improved. In order to fully utilize the space in the battery compartment, after the battery transversely placed in the rear compartment is fully filled in the compartment, the front compartment and the rotary compartment are also used for storing the battery, and because the space near the vehicle bottom at the vehicle head is relatively narrow, the battery is usually placed longitudinally when stored in the front compartment and the rotary compartment, namely, the length direction of the battery extends longitudinally along the battery compartment, the problem of electric connection of the battery is always considered when the battery is stored, and the electric connection device of the battery in the rotary compartment cannot influence the overturning of the battery and the movement of the battery to lead in or out the rotary compartment.
Therefore, how to design and develop an electric connection device to ensure the normal electric connection of the battery longitudinally placed in the battery compartment rotating compartment of the battery replacement electric automobile, and not to interfere the overturning of the battery and the leading-in and leading-out of the battery to the rotating compartment is a technical problem to be solved in the art.
Disclosure of Invention
The utility model provides an electric connection device and an automatic battery replacing bin, which ensure normal electric connection of batteries longitudinally placed in a rotating bin, and do not interfere overturning of the batteries and leading-in and leading-out of the batteries.
In order to achieve the technical effects, the technical scheme of the electric connection device provided by the utility model is that the electric connection device is arranged on a rotary battery position of a battery compartment and comprises:
an electrical connector mounting plate on which an electrical connector is mounted;
The overturning driving mechanism drives the electric connector mounting plate to overturn to an electric connection position and an avoidance position;
When the electric connector is positioned at the electric connection position, the electric connector mounting plate is opposite to the electric connection end of the battery positioned at the rotary battery position, and the electric connector on the electric connector mounting plate is spliced with the electric connector of the battery;
When in the avoidance position, the electric connector mounting plate is far away from the battery in the rotary battery position.
In some embodiments of the utility model, the flip drive mechanism includes a flip drive mounting bracket, an electrical cylinder, a rack and pinion, the electrical connector mounting plate being flip mounted on the flip drive mounting bracket having a flip shaft; the electric cylinder is arranged on the overturning driving mounting bracket, and the rack is coaxially connected with an output shaft of the electric cylinder; the gear is fixedly arranged on the turnover shaft and meshed with the rack.
In some embodiments of the utility model, the electrical connection device is mounted on an upper portion of the rotary battery position, and the electrical connector mounting plate is flipped down to the electrical connection position and flipped up to the stowed position.
In some embodiments of the present utility model, a limiting member is provided on the flip drive mounting bracket, and when the electrical connector mounting plate is flipped down to the electrical connection position, the electrical connector mounting plate abuts against the limiting member.
In some embodiments of the utility model, the electrical connection device further comprises a locking mechanism comprising a locking drive member and a locking member, the locking drive member for driving the locking member to a locked position and an unlocked position;
When the locking component is positioned at the locking position, the locking component is abutted against the electric connector mounting plate positioned at the electric connection position so as to stop the electric connector mounting plate from returning to the avoiding position;
When the locking component is in the unlocking position, the locking component is separated from the electric connector mounting plate so as to avoid the electric connector mounting plate to return to the avoiding position.
In some embodiments of the present utility model, the locking driving part is a locking cylinder, the locking part is a locking block, the locking block is rotatably disposed on a fixing member, the locking block has a rotating shaft, a piston rod of the locking cylinder is hinged to one end of a connecting rod, the other end of the connecting rod is fixedly connected with the rotating shaft, and the locking block is driven to rotate to the locking position and the unlocking position by telescopic driving of the piston rod of the locking cylinder.
In some embodiments of the utility model, the portion of the electrical connector mounting plate that contacts and abuts the locking block is provided with a locking groove that mates with the abutting end of the locking block.
In some embodiments of the present utility model, the rear end of the cylinder body of the locking cylinder is hinged to the turnover driving mounting bracket, and the fixing member is fixedly connected to the turnover driving mounting bracket.
In some embodiments of the utility model, the locking mechanism further comprises an elastic assist member that is in a compressed state when the locking member is in the locked position to apply a return spring force to the electrical connector mounting plate to the retracted position when the locking member is in the unlocked position.
In some embodiments of the present utility model, an automatic battery compartment is further provided, where the battery compartment body includes a rotary battery position, and an electrical connection device is installed on the rotary battery position, and the electrical connection device is the electrical connection device described above.
Compared with the prior art, the utility model has the following advantages and positive effects:
The electric connection device comprises an electric connector mounting plate and a turnover driving mechanism, wherein the turnover driving mechanism can drive the electric connection mounting plate to turn to an electric connection position and an avoidance position; when the electric connector is positioned at the electric connection position, the electric connector mounting plate is opposite to the electric connection end of the battery positioned at the rotary battery position, and the electric connector on the electric connector mounting plate is spliced with the electric connector of the battery; when in the avoidance position, the electrical connector mounting plate is far away from the battery in the rotary battery position, so that the electrical connector mounting plate cannot interfere with rotation of the battery, and the battery is led into or led out of the rotary battery position.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it will be obvious that the drawings in the following description are some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.
FIG. 1 is a perspective view of an automatic battery change compartment in an embodiment of the present utility model;
FIG. 2 is a top perspective view of the electrical connection device when the electrical connector mounting plate is flipped to the stowed position in accordance with an embodiment of the present utility model;
FIG. 3 is a bottom perspective view of the electrical connection device when the electrical connector mounting plate is flipped to the stowed position in accordance with an embodiment of the present utility model;
Fig. 4 is a bottom perspective view of the electrical connection device with a portion of the housing omitted when the electrical connector mounting plate is flipped to the retracted position in accordance with an embodiment of the present utility model.
FIG. 5 is a top perspective view of the battery connection device when the electrical connector mounting plate is flipped to the electrical connection position in accordance with an embodiment of the present utility model;
FIG. 6 is a bottom perspective view of the battery connection device when the electrical connector mounting plate is flipped to the electrical connection position in accordance with an embodiment of the present utility model;
FIG. 7 is a schematic view of a battery structure with a rotary battery position longitudinally placed in an embodiment of the utility model;
Fig. 8 is a schematic view of an electrical connection structure between a battery connection device and a battery when the electrical connector mounting plate is flipped to an electrical connection position in an embodiment of the utility model.
Reference numerals: 1. a battery compartment;
100. A battery compartment body; 110. a battery inlet and outlet; 120. a battery lead-in position; 130. a rotary battery position; 140. a lateral battery position;
200. A battery rotating device;
300. An electrical connection device; 310. a turnover driving mounting bracket; 320. an electric cylinder; 330. a rack; 340. a gear; 350. an electrical connector mounting plate; 351. a turnover shaft; 352. a locking groove; 360. an electrical connector; 370. a limiting piece; 380. a locking mechanism; 381. locking the air cylinder; 382. a locking block; 383. a fixing member; 384. a connecting rod; 385. a rotating shaft; 386. an elastic assist member;
2. a battery; 21. an electrical connector.
Detailed Description
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
Referring to fig. 1, an embodiment of an automatic battery compartment for battery replacement according to the present utility model includes a battery compartment body 100 for automatically conveying batteries 2 and a control system, wherein the battery compartment body 100 is disposed on an automobile chassis. The outer end of the battery compartment body 100 is provided with a battery inlet and outlet 110, a battery 2 enters the battery compartment 1 through the battery inlet and outlet 110, the battery compartment body 100 comprises a battery leading-in position 120, a rotary battery position 130 and at least one transverse battery position 140 which are sequentially arranged from outside to inside, and the battery leading-in position 120, the rotary battery position 130 and the transverse battery position 140 are sequentially communicated and butted along the longitudinal direction of the battery compartment body 100, namely the length direction of the battery compartment body 100.
The battery inlet 120 is used as an inlet section when the battery 2 is stored in the storage and an outlet section when the battery 2 is discharged from the storage, and the battery inlet 110 is specifically located at one end of the battery inlet 120 away from the rotary battery 130.
The upper portion of the rotary battery place 130 is provided with a battery rotating device 200 for rotating the battery 2 in a state of being placed longitudinally (i.e., the battery 2 is lengthwise along the longitudinal direction of the battery compartment body 100) in the rotary battery place to a state of being placed laterally (i.e., the battery 2 is lengthwise along the lateral direction of the battery compartment body 100) so as to be transported and introduced into the lateral battery place 140, or rotating the battery 2 placed laterally to be placed longitudinally so as to be discharged to the battery introduction place 120 and further away from the battery compartment.
The battery rotating device 200 may be in the prior art, for example, a motor rotates a worm wheel through a worm to rotate, so as to drive a turntable to rotate, and the turntable is connected with a battery to drive the battery to rotate.
Since the rotary battery position 130 normally stores the battery 2 in the battery compartment full state after the power change, the battery 2 is stored in the longitudinally placed state to increase the battery capacity of the battery compartment. To ensure proper electrical connection of the battery 2 in a longitudinally placed state within the rotary battery position 130, the rotary battery position 130 is mounted with an electrical connection device 300.
Referring to fig. 2 to 8, and in conjunction with fig. 1, the electrical connection apparatus 300 includes a flip drive mechanism and an electrical connector mounting plate 350, the electrical connector mounting plate 350 having an electrical connector 360 mounted thereon, the flip drive mechanism driving the electrical connector mounting plate 350 to flip to an electrical connection position and a stowed position.
When in the electrical connection position, the electrical connector mounting plate 350 is opposite to the electrical connection end of the battery 2 stored in the rotary battery position 130, and the electrical connector 360 on the electrical connector mounting plate 350 is plugged with the electrical connector 21 of the battery 2, so that the function of the battery 2 is realized; while in the retracted position, the electrical connector mounting plate 350 is spaced away from the battery 2 within the rotary battery compartment 130 to retract as the battery rotary device 200 rotates the battery.
Specifically, when the battery rotating device 200 of the rotary battery position 130 rotates the battery 2, the overturning driving mechanism drives the electric connector mounting plate 350 to overturn to the avoiding position, so that the electric connector mounting plate 350 does not prevent the rotation of the battery 2, and the electric connector mounting plate 350 does not prevent the rotation of the battery 2 to the transverse placement state and then is guided out of the rotary battery position 130 to the transverse battery position 140, so that the smooth movement of the battery 2 in the rotary battery position 130, the smooth movement of the battery 2 in the rotary battery position 130 or the smooth movement of the battery 2 away from the rotary battery position 130 are ensured.
After the transverse battery position 140 is full, the rotary battery position 130 is used as a normal battery position to store the battery 2, and at this time, the overturning driving mechanism drives the electric connector mounting plate 350 to overturn to the electric connection position, so that the electric connector 360 on the electric connector mounting plate 350 is ensured to be plugged and electrified with the electric connector 21 of the battery 2, as shown in fig. 7 and 8.
Further, the tumble drive mechanism includes a tumble drive mounting bracket 310, an electric cylinder 320, a rack 330, and a gear 340, and an electric connector mounting plate 350 is reversibly mounted on the tumble drive mounting bracket 310, which has a tumble shaft 351; the electric cylinder 320 is arranged on the overturning driving mounting bracket 310, and the rack 330 is coaxially connected with an output shaft of the electric cylinder 320; the gear 340 is fixed to the inversion shaft 351 and is engaged with the rack 330.
Both the electric cylinder 320 and the rack 330 are placed horizontally, and the gear 340 is coaxial with the turning shaft 351 and is also a horizontal axis, but its axis is perpendicular to the axis of the rack 330. When the electric cylinder 320 works, it drives the rack 330 to move horizontally and linearly, and then drives the gear 340 to rotate, and the gear 340 rotates to drive the turning shaft 351 to rotate, and then drives the electric connector mounting plate 350 to turn. Of course, the electrical connector mounting plate 350 may be flipped over using other types of actuation, such as a pneumatic or hydraulic cylinder actuation, etc.
The electrical connection device 300 is specifically mounted on the upper portion of the rotary battery position 130, and the electrical connector mounting plate 350 is turned down to an electrical connection position and turned up to an avoidance position with respect to the battery 2 in the rotary battery position 130. In some embodiments, the overturning driving mounting bracket 310 is connected with the frame body of the battery rotating device 200 to form an integral mounting bracket, so that the battery rotating device 200 and the electric connection device 300 are formed into an integral module, and can be integrally mounted in the rotary battery position 130, thereby improving the mounting efficiency.
Because the position of the rotary battery position 130 is close to the front part of the electric vehicle, the bottom space of the front part of the electric vehicle is relatively narrow, the transverse dimension of the rotary battery position 130 is smaller than the longitudinal dimension, and the battery 2 is difficult to be placed transversely, then the battery 2 is generally guided longitudinally into the rotary battery position 130, and finally the battery 2 placed at the rotary battery position 130 is placed longitudinally, the turning shaft 351 of the electric connector mounting plate 350 extends transversely, and when the electric connector is positioned at the electric connection position, the battery 2 in the rotary battery position 130 is placed longitudinally. The electrical connector mounting plate 350 may be positioned between the rotary battery station 130 and the first lateral battery station 140 or between the battery lead-in station 120 and the rotary battery station 130. In one embodiment, the electrical connector mounting plate 350 is positioned between the rotary battery station 130 and the first lateral battery station 140.
Further, the turning driving mounting bracket 310 is provided with a limiting member 370, as shown in fig. 3, 4 and 6, when the electrical connector mounting plate 350 is turned down to the electrical connection position, the electrical connector mounting plate 350 abuts against the limiting member 370 to limit the maximum turning angle of the electrical connector mounting plate 350.
To ensure the reliability of the electrical connection between the electrical connector 21 of the battery 2 and the electrical connector 360 of the electrical connector mounting plate 350 when in the electrical connection position, the electrical connection device 300 further includes a locking mechanism 380, as shown in fig. 2 to 6, and fig. 8, the locking mechanism 380 includes a locking driving member and a locking member, and the locking driving member is used to drive the locking member to move to the locking position and the unlocking position.
In the locked position, the locking member abuts against the electrical connector mounting plate 350 in the electrical connection position, as shown in fig. 5, 6 and 8, to stop the electrical connector mounting plate 350 from returning to the retracted position; when in the unlocking position, the locking component is separated from the electric connector mounting plate 350 so as to avoid the electric connector mounting plate 350 from returning to the avoiding position, i.e. the electric connector mounting plate 350 is not prevented from turning back to the avoiding position.
Further, the locking driving part is a locking cylinder 381, the locking part is a locking block 382 which is rotatably arranged on a fixing part 383, the locking block 382 is provided with a rotating shaft 385, a piston rod of the locking cylinder 381 is hinged to one end of a connecting rod 384, the other end of the connecting rod 384 is fixedly connected with the rotating shaft 385, and the locking block 382 is driven to rotate to a locking position and an unlocking position through telescopic driving of the piston rod of the locking cylinder 381.
With this structure, the locking mechanism 380 is compact and occupies a small space.
The part of the electric connector mounting plate 350, which contacts and abuts against the locking block 382, is provided with a locking groove 352 matched with the abutting end of the locking block 382, namely, the abutting end of the locking block 382 stretches into the locking groove 352, the locking groove 352 plays a certain lateral limiting role on the locking block 382, and meanwhile, when the electric connector mounting plate 350 is turned to an avoidance position, the locking groove 352 can avoid the locking block 382, so that interference between the locking block 382 and the electric connector mounting plate 350 is avoided.
The rear end of the cylinder body of the locking cylinder 381 is hinged to the overturning driving mounting bracket 310, so that the locking cylinder has a certain movement range, and smoothness of locking action is ensured. The fixing member 383 may have a block structure and be fixed to the tumble drive mounting bracket 310 by a screw, and accordingly, the lock cylinder 381 is also mounted to the tumble drive mounting bracket 310.
Further, the locking mechanism 380 further includes an elastic force-assisting member 386, where the elastic force-assisting member 386 is in a compressed state when the locking member is in the locking position, so as to apply a return elastic force to the electrical connector mounting plate 350 to the retracted position when the locking member is in the unlocking position, i.e., when the locking member is disengaged from the electrical connector mounting plate 350, i.e., to provide an auxiliary power when the electrical connector mounting plate 350 is turned to the retracted position.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (9)
1. An electrical connection device for mounting on a rotary battery compartment of a battery, comprising:
an electrical connector mounting plate on which an electrical connector is mounted;
The overturning driving mechanism drives the electric connector mounting plate to overturn to an electric connection position and an avoidance position; the turnover driving mechanism comprises a turnover driving mounting bracket, an electric cylinder, a rack and a gear, wherein the electric connector mounting plate is installed on the turnover driving mounting bracket in a turnover manner and is provided with a turnover shaft; the electric cylinder is arranged on the overturning driving mounting bracket, and the rack is coaxially connected with an output shaft of the electric cylinder; the gear is fixedly arranged on the turnover shaft and meshed with the rack;
When the electric connector is positioned at the electric connection position, the electric connector mounting plate is opposite to the electric connection end of the battery positioned at the rotary battery position, and the electric connector on the electric connector mounting plate is spliced with the electric connector of the battery;
When in the avoidance position, the electric connector mounting plate is far away from the battery in the rotary battery position.
2. The electrical connection apparatus of claim 1 wherein,
The electric connection device is arranged on the upper portion of the rotary battery position, and the electric connector mounting plate is downwards turned to the electric connection position and upwards turned to the avoidance position.
3. The electrical connection apparatus of claim 2 wherein,
And a limiting piece is arranged on the overturning driving mounting bracket, and when the electric connector mounting plate is downwards overturned to the electric connection position, the electric connector mounting plate is propped against the limiting piece.
4. The electrical connection apparatus of claim 1 wherein,
The electric connection device further comprises a locking mechanism, wherein the locking mechanism comprises a locking driving part and a locking part, and the locking driving part is used for driving the locking part to move to a locking position and an unlocking position;
When the locking component is positioned at the locking position, the locking component is abutted against the electric connector mounting plate positioned at the electric connection position so as to stop the electric connector mounting plate from returning to the avoiding position;
When the locking component is in the unlocking position, the locking component is separated from the electric connector mounting plate so as to avoid the electric connector mounting plate to return to the avoiding position.
5. The electrical connection apparatus of claim 4, wherein,
The locking driving part is a locking air cylinder, the locking part is a locking block, the locking block is rotationally arranged on a fixing piece, the locking block is provided with a rotating shaft, a piston rod of the locking air cylinder is hinged to one end of a connecting rod, the other end of the connecting rod is fixedly connected with the rotating shaft, and the locking block is driven to rotate to a locking position and an unlocking position through telescopic driving of the piston rod of the locking air cylinder.
6. The electrical connection apparatus of claim 5, wherein,
And a locking groove matched with the abutting end of the locking block is formed in the part, which is in contact with and abuts against the locking block, of the electric connector mounting plate.
7. The electrical connection apparatus of claim 5, wherein,
The back end of the cylinder body of the locking cylinder is hinged to the overturning driving mounting bracket, and the fixing piece is fixedly connected to the overturning driving mounting bracket.
8. The electrical connection apparatus of claim 4, wherein,
The locking mechanism further includes an elastic assist member in a compressed state when the locking member is in the locked position to apply a return spring force to the electrical connector mounting plate to the retracted position when the locking member is in the unlocked position.
9. An automatic battery compartment for replacing electricity, the battery compartment body comprises a rotary battery position, an electric connection device is arranged on the rotary battery position, the automatic battery compartment is characterized in that,
The electrical connection device is the electrical connection device of any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322375003.0U CN220963853U (en) | 2023-09-01 | 2023-09-01 | Electric connection device and automatic battery compartment that trades |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322375003.0U CN220963853U (en) | 2023-09-01 | 2023-09-01 | Electric connection device and automatic battery compartment that trades |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220963853U true CN220963853U (en) | 2024-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322375003.0U Active CN220963853U (en) | 2023-09-01 | 2023-09-01 | Electric connection device and automatic battery compartment that trades |
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| Country | Link |
|---|---|
| CN (1) | CN220963853U (en) |
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2023
- 2023-09-01 CN CN202322375003.0U patent/CN220963853U/en active Active
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