CN215680879U - Locking device and electric vehicle - Google Patents
Locking device and electric vehicle Download PDFInfo
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- CN215680879U CN215680879U CN202121945917.0U CN202121945917U CN215680879U CN 215680879 U CN215680879 U CN 215680879U CN 202121945917 U CN202121945917 U CN 202121945917U CN 215680879 U CN215680879 U CN 215680879U
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- locking
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- piece
- barrel
- unlocking
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The utility model provides a locking device and an electric vehicle. The locking base is provided with a positioning piece, a locking part is arranged in the locking barrel, and the unlocking device is provided with a locking piece. The locking base and the locking barrel can be switched between a locking state and an unlocking state, when the unlocking device drives the locking barrel to move towards the direction close to the locking base, the locking piece is tightly propped against the locking part and the positioning piece, and the locking base and the locking barrel are in the locking state. When the unlocking device drives the locking barrel to move towards the direction far away from the locking base, at least one of the locking part and the positioning piece is separated from the locking piece, and the locking base and the locking barrel are in an unlocking state. When carrying out the locking to the battery, the locking section of thick bamboo puts in place with the ware whereabouts of unblock under the action of gravity, closely laminates through locking piece and locking portion and setting element, utilizes the friction principle to lock, and the locking reliability is high. And the positioning piece also plays a role in limiting and guiding the installation of the battery, and the accurate positioning of the battery can be realized while the gapless locking is ensured.
Description
Technical Field
The utility model relates to the technical field of battery replacement, in particular to a locking device and an electric vehicle.
Background
With the development of new energy technology, electric vehicles become the development direction of future vehicles. Solving the problem of battery life becomes an important factor in the development of electric vehicles.
In the electric vehicle on the market at present, a power battery is arranged on a chassis, and the battery is locked through a locking mechanism. The existing locking mechanism usually adopts a lock tongue as a moving part, and the battery is locked and unlocked by extending and retracting the lock tongue.
But the bolt can move, so that a certain movable gap is required to be left. If the clearance is too small, the lock tongue is easily blocked, and the locking mechanism cannot work normally. If the clearance is too big, the spring bolt is easy not hard up, and locking mechanism reliability is poor. In order to reduce the installation position error of the battery, a positioning mechanism is required to be arranged to guide the installation of the battery.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a locking device and an electric vehicle, which are used for solving the problems in the prior art.
The present invention provides a lock device including:
the locking base is provided with a positioning piece;
the unlocking device is movably inserted into the locking barrel and can drive the locking barrel to move towards a direction close to or far away from the locking base, the positioning piece extends into the unlocking device, a locking part is arranged in the locking barrel, and the unlocking device is provided with a locking piece which can be abutted against the locking part and the positioning piece;
wherein the locking base and the locking barrel are switchable between a locked state and an unlocked state; under the condition that the unlocking device drives the locking barrel to move towards the direction close to the locking base, the locking piece is respectively abutted against the locking part and the positioning piece, and the locking base and the locking barrel are in the locking state; the unlocking device drives the locking barrel to move towards the direction far away from the locking base, at least one of the locking part and the positioning piece is separated from the locking piece, and the locking base and the locking barrel are in the unlocking state.
According to the locking device provided by the utility model, the end part of the positioning piece is provided with the guide part, and the guide part is in a tapered cone shape along the direction from the approach of the positioning piece to the far away from the locking base.
According to the locking device provided by the utility model, the locking device further comprises an elastic piece which is arranged between the locking barrel and the unlocking device,
wherein, under the condition that the locking base and the locking cylinder are in the locking state, the compression amount of the elastic piece is increased to press the locking piece.
The locking device further comprises a connecting part arranged on the unlocking device, and the connecting part is used for connecting a power device so that the unlocking device moves towards the direction far away from the locking base.
According to the locking device provided by the utility model, the connecting part is a hook or a hanging ring.
According to the locking device provided by the utility model, the locking part is in a tapered cone shape along the direction from the locking base to the locking base.
According to the locking device provided by the utility model, the unlocking device is provided with a clamping groove matched with the locking piece, the clamping groove is arranged in a penetrating manner along the radial direction of the unlocking device, and the locking piece is clamped in the clamping groove and can extend out of the clamping groove.
According to the locking device provided by the utility model, at least two locking pieces are arranged, and the locking pieces are distributed at intervals along the circumferential direction of the unlocking device.
According to the locking device provided by the utility model, the unlocking device is provided with a step surface, and two ends of the elastic piece are respectively abutted against the step surface and the top wall of the locking cylinder.
The utility model also provides an electric vehicle, which comprises a battery and a mounting seat for mounting the battery, and further comprises a locking device for locking the battery on the mounting seat, wherein the locking device is the locking device in any one of the above.
The utility model provides a locking device which comprises a locking base, a locking barrel and an unlocking device. The locking base is provided with a positioning piece which extends into the unlocking device. The unlocking device is movably inserted into the locking barrel and can drive the locking barrel to move towards the direction close to or far away from the locking base. Be equipped with locking portion in the locking section of thick bamboo, the ware of unlocking is equipped with the locking piece that can with locking portion and setting element homogeneous phase butt. Wherein, locking base and locking section of thick bamboo can switch between locking state and unblock state. Under the condition that the unlocking device drives the locking barrel to move towards the direction close to the locking base, the locking piece is respectively and tightly abutted to the locking part and the positioning piece, and the locking base and the locking barrel are in a locking state. Under the condition that the unlocking device drives the locking barrel to move towards the direction far away from the locking base, at least one of the locking part and the positioning piece is separated from the locking piece, and the locking base and the locking barrel are in an unlocking state. So set up, when carrying out the locking to the battery, the back that targets in place is closely laminated through locking piece and locking portion and setting element to the locking section of thick bamboo and the ware whereabouts of unblocking under the action of gravity, utilizes the friction principle to lock, and the locking reliability is high. And the positioning piece also plays a role in limiting and guiding the installation of the battery, and the accurate positioning of the battery can be realized while the gapless locking is ensured.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a perspective view of a locking device provided by the present invention;
FIG. 2 is a cross-sectional view of a locking device provided by the present invention;
FIG. 3 is a perspective view of the present invention providing an unlocking device;
FIG. 4 is a schematic diagram of a locking process of the locking device provided by the present invention;
FIG. 5 is a second schematic view of the locking process of the locking device provided by the present invention;
FIG. 6 is a schematic structural view of the locking device provided by the present invention in a locked state;
FIG. 7 is a schematic view of the unlocking process of the locking device provided by the present invention;
FIG. 8 is a second schematic view of the unlocking process of the locking device provided by the present invention;
FIG. 9 is a schematic structural view of the locking device provided by the present invention in an unlocked state;
reference numerals:
1: a locking base; 2: a positioning member; 3: a locking barrel;
4: an unlocking device; 5: a lock section; 6: a locking member;
7: a guide portion; 8: an elastic member; 9: a connecting portion;
10: a card slot; 11: a step surface.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The locking device of the present invention will be described below with reference to fig. 1 to 9.
As shown in fig. 1 to 2, an embodiment of the present invention provides a locking device including a locking base 1, a locking cylinder 3, and a lock release 4. Specifically, the locking base 1 is provided with a positioning member 2, and the positioning member 2 extends into the unlocking device 4. Wherein, the positioning member 2 can be a pin shaft installed on the locking base 1. The unlocking device 4 is movably inserted into the locking cylinder 3 and can drive the locking cylinder 3 to move towards the direction close to the locking base 1 or away from the locking base 1, namely move up and down in fig. 1. Be equipped with locking portion 5 in the locking section of thick bamboo 3, the ware 4 that unlocks is equipped with can with locking portion 5 and the locking piece 6 of setting element 2 homogeneous phase butt.
Wherein, the locking base 1 and the locking barrel 3 can be switched between a locking state and an unlocking state. Under the condition that the unlocking device 4 drives the locking barrel 3 to move downwards towards the direction close to the locking base 1, the locking piece 6 is tightly propped against the locking part 5 and the positioning piece 2 respectively, and at the moment, the locking base 1 and the locking barrel 3 are in a locking state. Under the condition that the unlocking device 4 drives the locking barrel 3 to move upwards towards the direction away from the locking base 1, at least one of the locking part 5 and the positioning part 2 is separated from the locking piece 6, and at the moment, the locking base 1 and the locking barrel 3 are in an unlocking state. In the present embodiment, the vertical direction in the drawings is the vertical direction in the drawings in terms of the placement position of the locking device shown in fig. 1 and 2.
So set up, when carrying out the locking to the battery, locking section of thick bamboo 3 and the back that targets in place along setting element 2 whereabouts are followed to a locking ware 4 under the action of gravity, closely laminate through locking piece 6 and locking portion 5 and setting element 2 to utilize the friction principle to lock, the locking reliability is high, has eliminated the clearance, avoids the vehicle to travel the relative motion of in-process battery and mount pad, reduces the battery vibration. And the positioning piece 2 also plays a role in limiting and guiding the installation of the battery, and the accurate positioning of the battery can be realized while the gapless locking is ensured.
In the embodiment of the present invention, a guide portion 7 is provided at an end portion, i.e., an upper end, of the positioning member 2. And the guide portion 7 is tapered in a direction from close to the locking base 1 to far from the locking base 1, that is, from bottom to top. When locking the battery, as shown in fig. 4 and 5, the locking cylinder 3 and the unlocking device 4 gradually fall to the final centering connection along the guide part 7, so that the positioning and guiding effects can be better achieved, the installation is more convenient and reliable, and the operation is convenient.
As shown in fig. 2, the locking device further includes an elastic member 8, and the elastic member 8 is disposed between the locking cylinder 3 and the unlocker 4. The elastic member 8 may be a spring, rubber, or elastic sheet. As shown in fig. 6, in the case where the lock base 1 and the lock cylinder 3 are in the locked state, the compression amount of the elastic member 8 is increased to press the lock member 6. Therefore, the elastic part 8 can generate a downward reaction force on the locking part 6, so that the locking effect is further enhanced, and the failure problem caused by overlarge vibration of the vehicle in the driving process is avoided.
In the embodiment of the present invention, the locking device further includes a connecting portion 9 provided on the unlocking device 4. The connecting portion 9 is used for connecting a power device so as to move the unlocking device 4 in a direction away from the locking base 1, namely, upwards. As shown in fig. 7 to 9, the power unit is connected to the connecting portion 9, and gradually pulls up the unlocking unit 4, thereby switching the locking device from the locked state to the unlocked state. After the locking piece 6 is separated from the locking part 5, the locking cylinder 3 can be directly grabbed and lifted upwards to be separated from the locking base 1. Wherein, the power device can adopt power sources such as an electric cylinder, an oil cylinder, an air cylinder, a linear motor and the like to lift the unlocking device 4 upwards. The device can be conveniently connected with a power device, and is convenient to unlock.
Particularly, the connecting part 9 is a hook or a hanging ring, and has simple structure and convenient connection. Note that the connection portion 9 is not shown in fig. 1 and 3. Of course, the connecting portion 9 is not limited to a hook or a hanging ring structure, and can be adjusted adaptively according to actual use requirements.
In the embodiment of the present invention, as shown in fig. 2, the locking portion 5 is tapered along a direction from the locking base 1 to the locking base 1, i.e., from top to bottom. Thus, the distance between the locking part 5 and the positioning part 2 is gradually reduced, the locking part 6 is gradually clamped in the descending process, the locking is automatic, and the operation is convenient and reliable.
In the embodiment of the utility model, the unlocking device 4 is provided with a clamping groove 10 matched with the locking piece 6, the clamping groove 10 is arranged in a penetrating way along the radial direction of the unlocking device 4, and the locking piece 6 is clamped in the clamping groove 10 and can extend out of the clamping groove 10. Specifically, the locking member 6 may be a steel ball, or a sphere made of other materials, which is convenient for manufacturing. The openings on the left and right sides of the slot 10 are smaller than the diameter of the ball, and a rib can be arranged to reliably mount the ball in the slot 10. In this way the blocking element 6 is securely connected to the unlocking means 4 and can be clamped between the blocking part 5 and the positioning element 2. In the arrangement position of the lock device shown in fig. 2, the left-right direction in the drawing is the radial direction of the unlocking device 4.
Further, the number of the lock members 6 is at least two, and as shown in fig. 3, the lock members 6 are spaced apart from each other in the circumferential direction of the unlocker 4. 6 evenly distributed of locking piece like this encircles a plurality of locking of circumference, effectively guarantees to pin a locking section of thick bamboo 3 and locking base 1 firmly.
In the embodiment of the utility model, the unlocking device 4 is provided with a step surface 11, and two ends of the elastic element 8 are respectively abutted against the step surface 11 and the top wall of the locking barrel 3. Thereby, under the elastic force of the elastic piece 8, the locking piece 6 is pressed downwards to strengthen the locking. It should be noted that, in terms of the placement position of the locking device shown in fig. 2, the upper top surface of the locking cylinder 3 in the drawing is the top wall of the locking cylinder 3.
In summary, the utility model provides a locking device, which comprises a locking base 1, a positioning member 2, a locking barrel 3, an unlocking device 4, a locking member 6, an elastic member 8 and the like, wherein the positioning mechanism and the locking mechanism are integrally designed, and the locking member 6, a locking part 5 and the positioning member 2 are tightly attached to each other, so that reliable locking is performed by using friction force, not only is accurate positioning of a battery realized, but also zero-clearance locking can be ensured, relative movement between the battery and a mounting seat in a driving process is avoided, and battery vibration is reduced.
The following describes an electric vehicle provided by the present invention, and the electric vehicle described below and the locking device described above may be referred to in correspondence with each other.
The embodiment of the utility model also provides an electric vehicle, which comprises a battery and a mounting seat for mounting the battery, and further comprises a locking device for locking the battery on the mounting seat, wherein the locking device is provided in each embodiment. Specifically, the lock cylinder 3 and the unlocker 4 are provided on a battery frame of the battery, and the lock base 1 is provided on a mount. When the batteries are placed, the battery frame falls in place under the action of gravity, and then the locking cylinder 3 and the locking base 1 are firmly fixed through the locking piece 6, so that gapless locking is guaranteed. When unlocking, the unlocking device 4 is pulled to move upwards, so that the locking piece 6 is separated from the locking part 5, and the unlocking can be realized by removing friction. Thereby improve the locking reliability, guarantee the zero clearance locking, still realize the battery accurate positioning simultaneously. The derivation process of the advantageous effect is substantially similar to the derivation process of the advantageous effect of the locking device, and therefore, the description thereof is omitted.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention 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 solutions described in the foregoing embodiments may still be modified, or some 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 invention.
Claims (10)
1. A locking device, comprising:
the locking device comprises a locking base (1), wherein a positioning piece (2) is arranged on the locking base (1);
the unlocking device comprises a locking barrel (3) and an unlocking device (4), wherein the unlocking device (4) is movably inserted into the locking barrel (3) and can drive the locking barrel (3) to move towards the direction close to the locking base (1) or away from the locking base (1), a positioning piece (2) extends into the unlocking device (4), a locking part (5) is arranged in the locking barrel (3), and the unlocking device (4) is provided with a locking piece (6) which can be abutted against the locking part (5) and the positioning piece (2);
wherein the locking base (1) and the locking barrel (3) can be switched between a locking state and an unlocking state; under the condition that the unlocking device (4) drives the locking barrel (3) to move towards the direction close to the locking base (1), the locking piece (6) is respectively abutted against the locking part (5) and the positioning piece (2), and the locking base (1) and the locking barrel (3) are in the locking state; under the condition that the unlocking device (4) drives the locking barrel (3) to move in the direction away from the locking base (1), at least one of the locking part (5) and the positioning piece (2) is separated from the locking piece (6), and the locking base (1) and the locking barrel (3) are in the unlocking state.
2. The locking device according to claim 1, characterized in that the end of the positioning element (2) is provided with a guide portion (7), and the guide portion (7) is tapered along a direction from the locking base (1) to a direction away from the locking base (1).
3. The lock-up device according to claim 1, characterized by further comprising an elastic member (8), the elastic member (8) being disposed between the lock-up cylinder (3) and the unlocker (4),
wherein, under the condition that the locking base (1) and the locking barrel (3) are in the locking state, the compression amount of the elastic piece (8) is increased to press the locking piece (6).
4. The locking device of claim 1, further comprising a connecting portion (9) provided on the unlocking means (4), wherein the connecting portion (9) is used for connecting a power device to move the unlocking means (4) in a direction away from the locking base (1).
5. Locking device according to claim 4, characterized in that the connection (9) is a hook or a loop.
6. Locking device according to claim 1, characterized in that the locking portion (5) is tapered in the direction from the locking base (1) to the locking base (1).
7. The locking device according to claim 1, characterized in that the unlocking device (4) is provided with a clamping groove (10) matched with the locking piece (6), the clamping groove (10) is arranged in a penetrating manner along the radial direction of the unlocking device (4), and the locking piece (6) is clamped in the clamping groove (10) and can extend out of the clamping groove (10).
8. The lock mechanism according to claim 1, characterized in that the number of the lock members (6) is at least two, and each of the lock members (6) is spaced apart in the circumferential direction of the unlocker (4).
9. A locking arrangement as claimed in claim 3, characterised in that the unlocking means (4) is provided with a step surface (11), and the two ends of the resilient member (8) abut against the step surface (11) and the top wall of the locking cylinder (3), respectively.
10. An electric vehicle comprising a battery and a mounting for mounting the battery, characterized by further comprising a locking device for locking the battery to the mounting, the locking device being as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121945917.0U CN215680879U (en) | 2021-08-18 | 2021-08-18 | Locking device and electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121945917.0U CN215680879U (en) | 2021-08-18 | 2021-08-18 | Locking device and electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215680879U true CN215680879U (en) | 2022-01-28 |
Family
ID=79953695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121945917.0U Active CN215680879U (en) | 2021-08-18 | 2021-08-18 | Locking device and electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215680879U (en) |
-
2021
- 2021-08-18 CN CN202121945917.0U patent/CN215680879U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230710 Address after: 410100 201, Floor 2, Maker Building, Sany Industrial City, No. 1, Sany Road, Changsha Economic Development Zone, Changsha, Hunan Province, China (Hunan) Pilot Free Trade Zone Patentee after: Sany Lithium Energy Co.,Ltd. Address before: 102206 5th floor, building 6, 8 Beiqing Road, Changping District, Beijing Patentee before: SANY HEAVY INDUSTRY Co.,Ltd. |
|
| TR01 | Transfer of patent right |