CN220400811U - Battery locking device and battery-replacing electric automobile - Google Patents
Battery locking device and battery-replacing electric automobile Download PDFInfo
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- CN220400811U CN220400811U CN202321842360.7U CN202321842360U CN220400811U CN 220400811 U CN220400811 U CN 220400811U CN 202321842360 U CN202321842360 U CN 202321842360U CN 220400811 U CN220400811 U CN 220400811U
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- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 230000005540 biological transmission Effects 0.000 claims abstract description 20
- 238000009434 installation Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
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- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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Abstract
The utility model provides a battery locking device and a battery-changing electric automobile, wherein the battery locking device comprises a first connecting piece, a second connecting piece and a locking driving assembly, wherein a first connecting part is formed on the first connecting piece, and a second connecting part is formed on the second connecting piece; the locking driving assembly comprises a locking driving part, a transmission mechanism and a locking part, wherein the locking part can extend or retract to lock and unlock the battery. The battery locking device is matched with the first connecting piece on the first battery and the second connecting piece on the second battery through the locking driving assembly, so that the same set of battery locking device is adopted to lock or unlock two adjacent batteries simultaneously, the two adjacent batteries are guaranteed to obtain relatively consistent locking force, the locking consistency and reliability of all batteries in a battery bin are improved, and the reliability of electric connection is guaranteed; and the number of the battery locking devices is reduced, so that the battery compartment structure is simplified, the production cost is reduced, and the installation difficulty is reduced.
Description
Technical Field
The utility model belongs to the technical field of electric automobile manufacturing, and particularly relates to a structural improvement of a battery locking device of a battery-changing electric automobile and the battery-changing electric automobile with the battery locking device.
Background
With the popularization of new energy electric vehicles, the problems of low charging speed, low efficiency, short battery endurance mileage and the like are increasingly outstanding.
An electric automobile adopting a battery replacement mode for charging, namely a battery replacement electric automobile for short, is generally provided with a battery locking mechanism on a battery compartment of a chassis so as to play a role in positioning a battery in place in the compartment, and ensures the stability and the electrical connection reliability of the battery in the battery compartment.
The battery-replaced electric automobile comprises an automobile body, a battery compartment, a battery driving device, a battery locking device and the like. The battery compartment is arranged on the automobile chassis, a plurality of battery placement positions are arranged in the battery compartment, a plurality of batteries are respectively placed in the battery placement positions and can enter and exit the battery compartment, and the battery driving device is used for driving the batteries to enter and exit the battery compartment; the battery locking device is used for locking or unlocking the battery when the battery enters the battery compartment to be in place.
In the prior art, a locking mechanism on a battery compartment of a battery replacement electric automobile is generally formed by arranging a set of locking mechanisms on the left side and the right side of each battery, and the batteries are jointly propped against the left side and the right side of the batteries to lock so as to realize locking positioning or unlocking of the batteries. In the prior art, the batteries are locked respectively, so that the consistency and reliability of the locking stability of all the batteries are difficult to ensure, the mutual alignment of all the batteries is difficult to ensure, and the overall electric connection reliability of the batteries is influenced; the quantity of batteries is many, then locking mechanism quantity is many, and is the twice of battery quantity, leads to whole battery compartment structure complicated, and because battery compartment space is limited, locking mechanism installation degree of difficulty that quantity is many is big, and with high costs.
Disclosure of Invention
The utility model provides a battery locking device and a battery-replacing electric automobile, which can solve the problems that the reliability of integral electric connection is affected, the installation difficulty is high and the cost is high due to the fact that each battery is locked in a self-locking mode in the prior art.
In order to achieve the technical effects, the technical scheme of the battery locking device provided by the utility model is as follows: a battery locking device for simultaneously locking or unlocking two adjacent batteries when a battery of a battery-changing electric vehicle enters a battery compartment to be in place, the battery locking device comprising:
a first connecting member for connecting to a first battery of the adjacent two batteries, the first connecting member having a first connecting portion formed thereon;
a second connecting member for connecting to a second battery of the adjacent two batteries, the second connecting member being formed with a second connecting portion thereon;
the locking driving assembly comprises a locking driving part, a transmission mechanism and a locking part, wherein the transmission mechanism is in transmission connection with the locking driving part and the locking part so that the locking part can extend or retract; when the locking part extends out, the locking part is connected with the first connecting part and the second connecting part to realize battery locking; when the locking part is retracted, the locking part is separated from the first connecting part and the second connecting part to unlock the battery.
In some embodiments of the utility model, the lock-up drive component is a motor;
the transmission mechanism is a worm and gear mechanism, a worm of the worm and gear mechanism is connected to an output shaft of the motor, and a worm wheel of the worm and gear mechanism is provided with internal threads;
the locking part is provided with an external thread part, the locking part is in threaded fit with the worm wheel, and the locking part is configured to drive the worm wheel to axially stretch and retract when the worm wheel rotates.
The locking driving assembly further comprises a shell, the locking driving component, the transmission mechanism and the locking component are arranged in the shell, and a through part for avoiding the expansion of the locking component is formed on the shell; the shell is internally provided with a guide part which is in sliding guide fit with the locking part so as to drive the locking part to axially stretch and retract when the worm wheel rotates.
In some embodiments of the utility model, the housing comprises a first housing and a second housing, the first housing and the second housing being joined and detachably connected.
In some embodiments of the present utility model, the first connecting portion is a connecting hole with a circular cross section, a ring rigid member and a ring elastic member are coaxially disposed in the first connecting portion, the ring rigid member and the ring elastic member are nested along a radial direction of the first connecting portion, and the ring elastic member is sandwiched between the first connecting portion and the ring rigid member;
the second connecting part is a connecting hole with a circular section;
the cross section of the locking part is circular, and the locking part is matched with the first connecting part and the second connecting part in an inserting way to realize battery locking.
In some embodiments of the present utility model, two oppositely disposed connection plates are formed on the first connection member, opposite surfaces of the two connection plates are inclined planes and have opposite inclination directions, so that a conical space is formed between the two connection plates, the first connection portion is formed on the two connection plates, and the second connection member is inserted into the conical space and is in guiding fit with the conical space.
In some embodiments of the utility model, the annular space of the annular rigid member has a guiding tapered surface at an end remote from the second connecting portion.
In some embodiments of the present utility model, the first connecting portion is a stepped hole, the ring rigid member and the ring elastic member are located in the small hole portion of the first connecting portion, an inner stop ring is formed on an inner end surface of the small hole portion of the first connecting portion, an outer stop ring is detachably embedded in the large hole portion of the first connecting portion, inner ends of the ring rigid member and the ring elastic member are abutted against the inner stop ring, and an outer end of the ring rigid member is clamped between the outer stop ring and an outer end of the ring elastic member.
In some embodiments of the utility model, the first connector is connected to an end face of the first cell and the second connector is connected to an end face of the second cell, the end face of the first cell being opposite the end face of the second cell.
In some embodiments of the present utility model, a battery compartment and a battery locking device are further provided, where the battery locking device is the battery locking device.
Compared with the prior art, the battery locking device is matched with the first connecting piece on the first battery and the second connecting piece on the second battery through the locking driving assembly, so that the same set of battery locking device is adopted to lock or unlock two adjacent batteries simultaneously, the two adjacent batteries are guaranteed to obtain relatively consistent locking force, the locking consistency and reliability of all batteries in a battery bin are improved, and the reliability of electric connection is guaranteed; and the number of the battery locking devices is halved, so that the structure of the whole battery compartment is simplified, the production cost is reduced, and the installation difficulty is reduced.
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 schematic diagram of a connection structure between a battery locking device and two adjacent batteries in an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a battery locking device according to an embodiment of the present utility model;
FIG. 3 is a right side view of FIG. 2;
FIG. 4 is a cross-sectional view A-A of FIG. 3;
FIG. 5 is a schematic view of a locking driving assembly according to an embodiment of the present utility model;
FIG. 6 is a schematic view of the locking driving assembly according to the embodiment of the present utility model, wherein the second housing is omitted;
FIG. 7 is a schematic diagram of a connection structure of a first connecting member and a second connecting member according to an embodiment of the present utility model;
FIG. 8 is a left side view of FIG. 7;
FIG. 9 is a cross-sectional view B-B of FIG. 8;
fig. 10 is a C-C cross-sectional view of fig. 8.
Reference numerals: 1. a battery locking device; 100. a first connector; 110. a first connection portion; 120. a circular ring rigid member; 121. a guide conical surface; 130. a circular ring elastic member; 140. a connecting plate; 150. a conical space; 160. an inner stop ring; 170. an outer stop ring; 200. a second connector; 210. a second connecting portion; 300. a lock-up drive assembly; 310. a lock drive member; 320. a worm wheel; 321. an internal thread; 330. a worm; 340. a locking member; 341. an external thread portion; 342. a locking end; 350. a housing; 351. a through part; 352. a guide part; 353. a first housing; 354. a second housing; 360. a limiting plate; 361. a vertical side;
2. a first battery; 21. an end face;
3. a second battery; 31. an end face.
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.
In some embodiments of the present utility model, a battery-replacing electric vehicle is provided, which includes a vehicle body, a battery compartment, a battery driving device, a battery locking device 1, and the like. The battery compartment is arranged on the automobile chassis, a plurality of battery placement positions are arranged in the battery compartment, a plurality of batteries are respectively placed in the battery placement positions and can enter and exit the battery compartment, and the battery driving device is used for driving the batteries to enter and exit the battery compartment; the battery locking device 1 is used for simultaneously locking or unlocking two adjacent batteries when the batteries enter the battery compartment to be in place, and for convenience of description, one of the two adjacent batteries is defined as a first battery 2, and the other is defined as a second battery 3.
Referring to fig. 1 to 10, a battery locking device 1 in some embodiments of the present utility model includes a first coupling member 100, a second coupling member 200, and a locking driving assembly 300.
The first connector 100 is used for connecting to the first battery 2, the first connector 100 is formed with a first connecting portion 110, and the first connector 100 may be welded with the first battery 2 casing or connected with the first battery 2 casing by fastening connection structure such as screw connection.
The second connection member 200 is used for being connected to the second battery 3, and the second connection member 200 is formed with a second connection portion 210, and the second connection portion 210 may be welded with the housing of the second battery 3 or connected as a whole by fastening connection structures such as screws.
The lock driving assembly 300 includes a lock driving part 310, a transmission mechanism and a locking part 340, wherein the transmission mechanism is in transmission connection with the lock driving part 310 and the locking part 340, so that the locking part 340 can be extended or retracted through the transmission mechanism when the lock driving part 310 works; when the locking member 340 extends, it is connected to the first connection portion 110 and the second connection portion 210 to lock the batteries, i.e., to lock the first battery 2 and the second battery 3 at the same time; when the locking member 340 is retracted, it is disengaged from the first connection portion 110 and the second connection portion 210 to unlock the battery, i.e., the first battery 2 and the second battery 3 are respectively movable.
Specifically, the first connector 100 is connected to one end face 21 of the first battery 2, and the second connector is connected to one end face 31 of the second battery 3, and the end face 21 of the first battery 2 is opposite to the end face 31 of the second battery 3, that is, opposite end faces of the two batteries shown in fig. 1. In fig. 1, the direction indicated by a double-headed arrow a is the direction of the battery in and out of the bin, and in general, for a rectangular parallelepiped battery, the direction of the bin in and out is the length direction thereof, and correspondingly, the direction indicated by a double-headed arrow b in fig. 1 is the width direction of the battery. For the convenience of installation and simultaneously ensuring the locking reliability, for each pair of adjacent batteries, such as the first battery 2 and the second battery 3 in the embodiment, two sets of battery locking devices 1 are arranged at two ends of opposite end surfaces of the two sets of battery locking devices, namely, the two sets of battery locking devices 1 are arranged at two sides of the battery along the width direction of the battery and are oppositely arranged, and the two sets of battery locking devices cooperate to ensure the locking reliability.
Further, as shown in fig. 4 and 6, in this embodiment, the locking driving component 310 is a motor, the transmission mechanism is a worm wheel 320 and worm 330 mechanism, the worm 330 of the worm wheel 320 and worm 330 mechanism is connected to the output shaft of the motor, and the worm wheel 320 of the worm wheel 320 and worm 330 mechanism has an internal thread 321; the locking member 340 is in the shape of a pin, and has an external thread portion 341, the locking member 340 is in threaded engagement with the worm wheel 320, and the locking member 340 is configured to drive the worm wheel 320 to move axially in a telescopic manner when rotated. That is, the motor operates to drive the worm wheel 320 to rotate, thereby driving the locking member 340 to rotate while moving in an axial direction to extend or retract the locking member 340. The locking driving assembly 300 with the structure has the advantages of simple structure, low cost and small occupied space, is suitable for being installed in a battery compartment with limited space, and reduces the installation difficulty.
The lock driving assembly 300 further includes a housing 350, the lock driving member 310, the transmission mechanism and the lock member 340 are disposed in the housing 350, and a penetration portion 351 for avoiding the expansion and contraction of the lock member 340 is formed in the housing 350; a guide portion 352 is formed in the housing 350 and slidably cooperates with the locking member 340 to enable the locking member 340 to move axially in a telescopic manner when the worm wheel 320 rotates.
Specifically, the internal space of the housing 350 defines a lock driving member 310 accommodating cavity, a transmission mechanism accommodating cavity, and a lock member 340 accommodating cavity, and the lock driving member 310, the transmission mechanism, and the lock member 340 are respectively disposed in the lock driving member 310 accommodating cavity, the transmission mechanism accommodating cavity, and the lock member 340 accommodating cavity. The housing 350 not only protects the components, but also serves as a mounting bracket for the entire battery locking mechanism, through which the battery locking mechanism is integrally mounted in the battery compartment in a corresponding position.
For the holding cavity of the locking component 340, a part of the holding cavity is provided with two parallel vertical inner walls, and the two vertical inner walls form a guide part 352 in the shell 350; the rear end of the locking component 340 (the front end of the locking component 340 is the locking end 342) is sleeved with a limiting plate 360, the limiting plate 360 is in running fit with the locking component 340, namely, the locking component 340 can rotate relative to the limiting plate 360, the limiting plate 360 is correspondingly provided with two vertical side surfaces 361 which are arranged in parallel, and the vertical side surfaces 361 of the limiting plate are in one-to-one corresponding sliding guide fit with the vertical inner walls of the accommodating cavity of the locking component 340. When the locking driving part 310 works, the worm 330 drives the worm wheel 320 to rotate, the worm wheel 320 is in threaded fit with the locking part 340, so that the locking part 340 synchronously rotates, and the locking part 340 stretches and contracts along the axial direction while rotating due to the sliding fit of the limiting plate 360 and the accommodating cavity of the locking part 340, so that the locking part 340 stretches out and retracts.
To facilitate assembly of the components and mechanisms, in some embodiments of the utility model, the housing 350 includes a first housing 353 and a second housing 354, the first housing 353 and the second housing 354 being in apposition and detachably connected. The penetration portion 351 of the escape locking member 340 is formed in one of the first housing 353 and the second housing 354.
As shown in fig. 4 and fig. 7 to 10, the first connecting portion 110 is a connecting hole with a circular cross section, the second connecting portion 210 is a connecting hole with a circular cross section, and the cross section of the locking member 340 is circular, so that the battery is locked by inserting and matching the locking member 340 with the first connecting portion 110 and the second connecting portion 210.
More specifically, the annular rigid member 120 and the annular elastic member 130 are coaxially disposed in the first connecting portion 110, the annular rigid member 120 and the annular elastic member 130 are nested in the radial direction of the first connecting portion 110, and the annular elastic member 130 is sandwiched between the first connecting portion 110 and the annular rigid member 120, that is, along the radial direction of the first connecting portion 110, the annular elastic member 130 is located at the outer side of the annular rigid member 120, and the annular rigid member 120 and the annular elastic member are assembled in an interference manner. The elastic ring 130 is elastically deformable, which provides a radial movement space for the locking end 342 of the locking member 340, increases tolerance, and can absorb the eccentricity or deflection angle between the locking end 342 of the locking member 340 and the first connecting portion 110, thereby facilitating locking of the locking member 340 and further providing shock absorption.
The locking end 342 of the locking member 340 is tapered to provide a self-centering action that further facilitates insertion of the locking member 340.
In some embodiments of the present utility model, as shown in fig. 7 to 10, two oppositely disposed connection plates 140 are formed on the first connection member 100, opposite surfaces of the two connection plates 140 are inclined planes and opposite in inclination directions, so that a tapered space 150 with a wide outside and a narrow inside is formed between the two connection plates 140, a first connection portion 110 is formed on each of the two connection plates 140, and the first connection portions 110 on the two connection plates 140 are coaxially disposed, and a second connection member 200 is inserted into the tapered space 150 and is in guiding engagement with the tapered space 150, as shown in fig. 10. That is, the portion of the second connector 200 that is in guiding engagement with the tapered space 150 (i.e., the insertion portion thereof) is also tapered, which also plays a certain role in limiting and centering when the second connector 200 is inserted into the tapered space 150, so as to facilitate ensuring that the second connector 210 is coaxial with the first connector 110 when the second connector is inserted in place, thereby facilitating the insertion of the locking member 340.
To further facilitate the locking of the locking member 340, the end of the annular space of the annular rigid member 120 away from the second connecting portion 210 has a guiding conical surface 121, as shown in fig. 9, when the locking end 342 of the locking member 340 is about to be inserted into the first connecting portion 110, the guiding conical surface 121 plays a guiding role on the locking end 342 of the locking member 340, so that the locking member 340 is facilitated to be quickly and accurately inserted into the first connecting portion 110.
For the installation of the ring rigid member 120 and the ring elastic member 130, specifically, as also shown in fig. 9, the first connection portion 110 is a stepped hole, the ring rigid member 120 and the ring elastic member 130 are located in the small hole portion of the first connection portion 110, and an inner stop ring 160 is formed on the inner end surface of the small hole portion of the first connection portion 110 to stop the ring rigid member 120 and the ring elastic member 130 from moving further inward (i.e., on the side where the second connection member 200 is located). An outer stop ring 170 is detachably embedded in the large hole part of the first connecting part 110, the inner ends of the circular ring rigid member 120 and the circular ring elastic member 130 are abutted against the inner stop ring 160, the outer end of the circular ring rigid member 120 is clamped between the outer stop ring 170 and the outer end of the circular ring elastic member 130, and the outer stop ring 170 is fastened on the first connecting member 100 specifically through a plurality of screws. When the annular rigid member 120 and the annular elastic member 130 are mounted, the outer stopper ring 170 is only required to be opened, the annular elastic member 130 and the annular rigid member 120 are sequentially mounted in the small hole portion of the first connection portion 110, and finally the outer stopper ring 170 is mounted. By adopting the structural form, the circular ring rigid piece 120 and the circular ring elastic piece 130 are convenient to install and convenient to detach and replace.
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 (10)
1. A battery locking device for simultaneously locking or unlocking two adjacent batteries when a battery of a battery-changing electric vehicle enters a battery compartment to be in place, the battery locking device comprising:
a first connecting member for connecting to a first battery of the adjacent two batteries, the first connecting member having a first connecting portion formed thereon;
a second connecting member for connecting to a second battery of the adjacent two batteries, the second connecting member being formed with a second connecting portion thereon;
the locking driving assembly comprises a locking driving part, a transmission mechanism and a locking part, wherein the transmission mechanism is in transmission connection with the locking driving part and the locking part so that the locking part can extend or retract; when the locking part extends out, the locking part is connected with the first connecting part and the second connecting part to realize battery locking; when the locking part is retracted, the locking part is separated from the first connecting part and the second connecting part to unlock the battery.
2. The battery lock-out device according to claim 1, wherein,
the locking driving part is a motor;
the transmission mechanism is a worm and gear mechanism, a worm of the worm and gear mechanism is connected to an output shaft of the motor, and a worm wheel of the worm and gear mechanism is provided with internal threads;
the locking part is provided with an external thread part, the locking part is in threaded fit with the worm wheel, and the locking part is configured to drive the worm wheel to axially stretch and retract when the worm wheel rotates.
3. The battery lock-out device according to claim 2, wherein,
the locking driving assembly further comprises a shell, the locking driving component, the transmission mechanism and the locking component are arranged in the shell, and a through part for avoiding the expansion of the locking component is formed on the shell; the shell is internally provided with a guide part which is in sliding guide fit with the locking part so as to drive the locking part to axially stretch and retract when the worm wheel rotates.
4. The battery lock-up device according to claim 3, wherein,
the shell comprises a first shell and a second shell, and the first shell and the second shell are in involution and are detachably connected.
5. The battery lock-out device according to claim 1, wherein,
the first connecting part is a connecting hole with a circular section, a ring rigid piece and a ring elastic piece are coaxially arranged in the first connecting part, the ring rigid piece and the ring elastic piece are arranged in a nested manner along the radial direction of the first connecting part, and the ring elastic piece is clamped between the first connecting part and the ring rigid piece;
the second connecting part is a connecting hole with a circular section;
the cross section of the locking part is circular, and the locking part is matched with the first connecting part and the second connecting part in an inserting way to realize battery locking.
6. The battery lock-out device according to claim 5, wherein,
the connecting plate is characterized in that two connecting plates which are oppositely arranged are formed on the first connecting piece, the opposite faces of the two connecting plates are inclined planes and are opposite in inclination direction, so that a conical space is formed between the two connecting plates, the two connecting plates are respectively provided with the first connecting part, and the second connecting piece is inserted into the conical space and is matched with the conical space in a guiding manner.
7. The battery lock-out device according to claim 5 or 6, wherein,
the inner space of the circular ring rigid piece is far away from one end of the second connecting part, and one end of the circular ring rigid piece is provided with a guiding conical surface.
8. The battery lock-out device according to claim 5, wherein,
the first connecting portion is a stepped hole, the annular rigid piece and the annular elastic piece are located in the small hole portion of the first connecting portion, an inner stop ring is formed on the inner end face of the small hole portion of the first connecting portion, an outer stop ring is detachably embedded in the large hole portion of the first connecting portion, the annular rigid piece and the inner end of the annular elastic piece are abutted against the inner stop ring, and the outer end of the annular rigid piece is clamped between the outer stop ring and the outer end of the annular elastic piece.
9. The battery lock-out device according to claim 1, wherein,
the first connecting piece is connected to one end face of the first battery, the second connecting piece is connected to one end face of the second battery, and the end face of the first battery is opposite to the end face of the second battery.
10. The battery-replaced electric automobile comprises a battery compartment and a battery locking device, and is characterized in that,
the battery lock-up device is the battery lock-up device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321842360.7U CN220400811U (en) | 2023-07-13 | 2023-07-13 | Battery locking device and battery-replacing electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321842360.7U CN220400811U (en) | 2023-07-13 | 2023-07-13 | Battery locking device and battery-replacing electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220400811U true CN220400811U (en) | 2024-01-26 |
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ID=89597177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321842360.7U Active CN220400811U (en) | 2023-07-13 | 2023-07-13 | Battery locking device and battery-replacing electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220400811U (en) |
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2023
- 2023-07-13 CN CN202321842360.7U patent/CN220400811U/en active Active
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