CN216507854U - Electric locking device - Google Patents
Electric locking device Download PDFInfo
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- CN216507854U CN216507854U CN202122318941.8U CN202122318941U CN216507854U CN 216507854 U CN216507854 U CN 216507854U CN 202122318941 U CN202122318941 U CN 202122318941U CN 216507854 U CN216507854 U CN 216507854U
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- screw
- locking device
- screw rod
- rod
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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
Abstract
The utility model provides an electric locking device, which enables a locking structure of a battery frame to be simple, has high integration degree and enables the position precision to be high. It includes: a compression block; the screw comprises an upper part connected with a pressing block end, a rotary guide structure and a screw external thread section; a base; a drive motor; a drive rod; the pressing block is fixedly connected with the upper end of the screw, a guide cavity is arranged at the position, corresponding to the lower end of the screw, of the base, a guide groove shell is fixedly arranged on the upper surface of the base, a guide body is arranged at the position, corresponding to the rotary guide structure, of the guide groove shell, and the rotary guide structure and the guide body are combined to enable the screw to rotate for setting the angle for operation; a screw rod nut is arranged in the guide cavity, and an external thread section of the screw rod penetrates through the screw rod nut and is meshed with the screw rod nut; the output end of the driving motor is directly or indirectly connected with the driving rod, the output end of the driving rod extends into the guide cavity, and the output end of the driving rod drives the screw rod nut to rotate; a self-locking device is arranged in the driving motor.
Description
Technical Field
The utility model relates to the technical field of battery frame locking structures, in particular to an electric locking device.
Background
The battery of the existing new energy automobile needs to be subjected to quick change operation, the battery frame needs to be locked and attached to the automobile body, the existing battery frame locking structure is a hydraulic or pneumatic locking structure, the space occupied by the power device is large, and the whole locking device is complex in structure and not beneficial to arrangement of other parts.
Disclosure of Invention
In view of the above problems, the present invention provides an electric locking device that enables a locking structure of a battery frame to be simple, has a high degree of integration, and enables a position accuracy to be high.
An electric locking device, characterized in that it comprises:
a compression block;
the screw comprises an upper part connected with a pressing block end, a rotary guide structure and a screw external thread section;
a base;
a drive motor;
a drive rod;
the compressing block is fixedly connected with the upper end of the screw rod, a guide cavity is arranged at the position, corresponding to the lower end of the screw rod, of the base, a guide groove shell is fixedly arranged on the upper surface of the base, a guide body is arranged at the position, corresponding to the rotary guide structure, of the guide groove shell, and the rotary guide structure and the guide body are combined to enable the screw rod to rotate for a set angle and then to be compressed or loosened;
a screw rod nut is arranged in the guide cavity, and an external thread section of the screw rod penetrates through the screw rod nut and is connected with the screw rod nut in a meshed mode;
the output end of the driving motor is directly or indirectly connected with the driving rod, the output end of the driving rod extends into the guide cavity, and the output end of the driving rod drives the screw rod nut to rotate;
and a self-locking device is arranged in the driving motor.
It is further characterized in that:
the rotary guide structure and the guide body are combined, so that the screw is pressed or loosened after rotating by 90 degrees;
the self-locking device includes but is not limited to an electromagnetic clutch;
the rotary guide structure is a convex guide post, and the guide body is a groove-shaped structure with a spiral;
the rotary guide structure is an inner groove, and the guide body is an inner convex protrusion with a spiral groove line;
the center of the guide body is a through hole, and an axial cylinder of the screw penetrates through the through hole;
the axial length direction of the driving rods is communicated to the two guide cavities which are arranged in the linear direction, and each driving rod drives the two pressing blocks to rotate and perform pressing operation;
the upper surface of the guide groove shell is covered with a cover plate, and a guide protruding sleeve is arranged on the cover plate corresponding to the position of the guide body, so that the position of the guide body is ensured to be fixed and reliable;
each pressing block and each screw rod are arranged corresponding to one base, so that stable and reliable connection and accurate position are ensured;
the output end of the driving motor is connected with a speed reducing mechanism, and the output end of the speed reducing mechanism drives the driving rod to axially move;
the speed reducing mechanism is a worm gear, a planet row, a gear transmission or a cycloid gear speed reducing mechanism;
a position sensor is arranged on the speed reducer base corresponding to the speed reducing mechanism, the position sensor faces the driving rod, and the position sensor is used for sensing the position of the driving rod so as to ensure stable and reliable transmission;
a guide rod is arranged between the two bases which are positioned on the same straight line, and the speed reducer base is fixedly suspended on the guide rod and the driving rod to ensure that the locking devices on the two sides are uniformly stressed and realize equal pressing force;
preferably, the outer edge of the feed screw nut is provided with a gear, the driving rod is provided with a rack corresponding to the gear position of the feed screw nut, the gear is meshed with the rack, and the driving rod moves in the linear direction to enable the gear to drive the feed screw nut to rotate.
After the technical scheme is adopted, the pressing block can rotate for setting an angle and then press downwards, and self-locking is realized; after upward loosening, rotating the rotary table to reset by a set angle; when in pressing, the pressing block rotates firstly and then moves downwards to press; when the clamping block needs to be loosened, the clamping block moves upwards to be loosened and then rotates to reset; the pressing block is arranged on the screw, a rotary guide structure is arranged on the screw, a guide body is arranged on the guide groove shell, and the screw moves along the guide direction of the guide body; the guide body is arranged to determine the rotation and linear motion tracks of the screw; the spiral guide angle of the guide body is a set angle, the pressing block is pressed and attached to be locked after the set angle is rotated, the locking can be completed only through one-way operation of the driving motor, and the locking structure of the battery frame is simple, the integration degree is high, and the position precision is high.
Drawings
FIG. 1 is a perspective diagrammatic illustration of a specific embodiment of the present invention;
FIG. 2 is a perspective view of the reduction mechanism and drive rod transmission of the present invention;
the names corresponding to the sequence numbers in the figure are as follows:
the device comprises a pressing block 10, a screw 20, an upper connecting pressing block end 21, a screw external thread section 22, a convex guide column 23, a base 30, a guide cavity 31, a driving motor 40, a driving rod 50, a rack 51, an inner concave guide groove 52, a linear rack 53, a guide groove shell 60, a groove-shaped structure 61 with a spiral, a screw nut 70, a gear 71, a cover plate 80, a guide convex sleeve 81, a speed reducing mechanism 90, a speed reducing base 91, an output gear 92, a position sensor 100, a guide rod 110, a sliding bearing 120, a limit bolt 130, a fastening bolt 140, a positioning steel ball 150 and a rolling bearing 160.
Detailed Description
An electric locking device is characterized by comprising a pressing block 10, a screw rod 20, a base 30, a driving motor 40 and a driving rod 50;
the screw 20 comprises an upper connecting pressing block end 21, a rotary guide structure and a screw external thread section 22;
the compressing block 10 is fixedly connected with the upper end of the screw 20, the lower end of the base 30 corresponding to the screw 50 is provided with a guide cavity 31, the upper surface of the base 30 is fixedly provided with a guide groove shell 60, the guide groove shell 60 is provided with a guide body corresponding to the position of the rotary guide structure, and the rotary guide structure and the guide body are combined to enable the screw 20 to rotate for a set angle and then to be compressed or loosened;
a feed screw nut 70 is arranged in the guide cavity 31, the external thread section 22 of the screw rod penetrates through the feed screw nut 70 and is meshed with the feed screw nut 70,
the output end of the driving motor 40 is directly or indirectly connected with the driving rod 50, the output end of the driving rod 50 extends into the guide cavity 31, and the output end of the driving rod 50 drives the screw nut 70 to rotate;
the driving motor 40 is internally provided with a self-locking device.
The self-locking device includes but is not limited to an electromagnetic clutch.
In specific implementation, the rotary guide structure is a convex guide post 23, and the guide body is a groove-shaped structure 61 with a spiral; in another embodiment. The rotary guide structure is an inner groove, and the guide body is an inner convex protrusion with a spiral groove line.
In a specific embodiment, see fig. 1 and 2: the rotary guide structure is a convex guide column 23, the guide body is a groove-shaped structure 61 with a spiral, a rolling bearing can be arranged between the convex guide column 23 and the groove-shaped structure 61 with the spiral to reduce friction resistance, and the groove-shaped structure 61 with the spiral is a 90-degree spiral groove; the guide structure and the guide body are combined in a rotating mode, so that the screw is pressed or loosened after rotating by 90 degrees;
the center of the guide body is a through hole, and an axial cylinder of the screw rod 20 penetrates through the through hole;
the axial length direction of the driving rods 50 is communicated with the two guide cavities 31 which are arranged in the linear direction, each driving rod 50 drives the two pressing blocks 10 to rotate and press, and the driving rods 50 drive the 2 pressing blocks 10, so that multi-point locking can be realized, and the locking is firmer;
a cover plate 80 is covered on the upper surface of each guide groove shell 60, and a guide protruding sleeve 81 is arranged at the position of the cover plate 80 corresponding to the guide body, so that the position of the guide body is ensured to be fixed and reliable;
each pressing block 10 and each screw rod 20 are arranged corresponding to one base 30, so that stable and reliable connection and accurate position are ensured;
the output end of the driving motor 40 is connected with a speed reducing mechanism 90, and the output end of the speed reducing mechanism 90 drives the driving rod 50 to axially move; the speed reducing mechanism 90 is specifically a worm gear, a planet row, a gear transmission and a cycloid gear speed reducing mechanism;
a position sensor 100 is arranged on the speed reducer base 91 corresponding to the speed reducing mechanism 90, the position sensor 100 is arranged towards the driving rod 50, and the position sensor 100 is used for sensing the position of the driving rod to ensure stable and reliable transmission;
a guide rod 110 is also arranged between the two bases 30 which are positioned on the same straight line, the speed reducer base 91 is fixedly suspended on the guide rod 110 and the driving rod 50, the locking devices on the two sides are ensured to be uniformly stressed, equal pressing force is realized, and a sliding bearing is arranged between the driving rod 50 and the speed reducer base 91 to prevent clamping stagnation when locking is cancelled;
the feed screw nut 70 is provided with slide bearings 120 at both ends in the length direction, and the feed screw nut 70 can only rotate.
In a specific embodiment, a gear 71 is arranged on the outer periphery of the middle position of the feed screw nut 70 in the length direction, a rack 51 is arranged on the driving rod 50 corresponding to the gear 71 of the feed screw nut 70, the gear 71 is meshed with the rack 51, the driving rod 50 moves in the linear direction, and the gear drives the feed screw nut 70 to rotate;
the outer surface of the driving rod 50 is provided with inner concave guide grooves 52 which are arranged in a linear direction, and corresponding limiting bolts 130 penetrate through corresponding positions of the base 30 and corresponding positions of the reducer base 91 and are then pressed on the inner concave guide grooves 52 through positioning steel balls 150, so that the driving rod 50 can only perform axial linear movement and deflection operation is avoided;
the output gear 92 of the speed reducing mechanism 90 is meshed with the linear rack 53 connected with the input end of the driving rod 50, so that stable and reliable transmission is ensured.
In a specific embodiment, the pressing block 10 is fixedly arranged at the upper part of the screw rod 20 through a fastening bolt 140 and is connected with a pressing block end 21; the two ends of the screw rod 20 in the length direction are respectively guided and limited by rolling bearings 160, so that the stable and reliable motion of the screw rod is ensured;
the screw 20 can be a needle roller screw, a common screw or a common thread;
the gear 71 provided on the outer peripheral surface of the feed screw nut 70 is only a specific embodiment, and can be set into a shifting piece, a groove and a mechanical form of a link mechanism according to requirements, and only the rotary driving of the drive rod to the feed screw nut needs to be completed.
The working principle is as follows, the driving motor 40 rotates to drive the driving rod 50 to move linearly, the screw rod nut 70 is driven by the rack 51 to rotate, in an initial state, the screw rod nut drives the screw rod to rotate synchronously until the convex guide column of the screw rod moves to the top end of the upper part or the bottom end of the lower part along the spiral groove structure 61, and then the screw rod nut 70 rotates to drive the screw rod 20 to lift in the height direction; the pressing block 10 can rotate for a set angle and then press downwards, and has self-locking function; after upward loosening, rotating the rotary table to reset by a set angle; when in pressing, the pressing block 10 rotates firstly and then moves downwards to press; when the clamping block needs to be loosened, the pressing block 10 moves upwards firstly and then rotates to reset; the pressing block 10 is arranged on the screw rod 20, the screw rod 20 is provided with a rotary guide structure, the guide groove shell is provided with a guide body, and the screw rod 20 moves and advances along the guide of the guide body; the guide body is arranged to determine the rotation and linear motion tracks of the screw; the spiral guide angle of the guide body is a set angle, the pressing block 10 is pressed and attached to be locked after rotating the set angle, the locking can be completed only through one-way operation of the driving motor 40, and the locking structure of the battery frame is simple, the integration degree is high, and the position precision is high.
The beneficial effects are as follows: the locking is completed electrically, the control precision is high, and the locking is reliable; reliable automatic locking is realized, and a strong self-locking function is realized; the method can be applied to new energy battery replacement products; the locking force can be adjusted according to different locking requirements, and the locking requirements of different products can be met.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. An electric locking device, characterized in that it comprises:
a compression block;
the screw comprises an upper part connected with a pressing block end, a rotary guide structure and a screw external thread section;
a base;
a drive motor;
a drive rod;
the compressing block is fixedly connected with the upper end of the screw rod, a guide cavity is arranged at the position, corresponding to the lower end of the screw rod, of the base, a guide groove shell is fixedly arranged on the upper surface of the base, a guide body is arranged at the position, corresponding to the rotary guide structure, of the guide groove shell, and the rotary guide structure and the guide body are combined to enable the screw rod to rotate for a set angle and then to be compressed or loosened;
a screw rod nut is arranged in the guide cavity, and an external thread section of the screw rod penetrates through the screw rod nut and is connected with the screw rod nut in a meshed mode;
the output end of the driving motor is directly or indirectly connected with the driving rod, the output end of the driving rod extends into the guide cavity, and the output end of the driving rod drives the screw rod nut to rotate;
and a self-locking device is arranged in the driving motor.
2. An electric locking device as set forth in claim 1, wherein: the rotary guide structure and the guide body are combined, so that the screw is pressed or loosened after rotating by 90 degrees.
3. An electric locking device as claimed in claim 1 or 2, wherein: the rotary guide structure is a protruding guide post, and the guide body is a groove-shaped structure with a spiral.
4. An electric locking device as claimed in claim 1 or 2, wherein: the rotary guide structure is an inner groove, and the guide body is an inner convex protrusion with a spiral groove line.
5. An electric locking device as set forth in claim 1, wherein: the axial length direction of the driving rods is communicated to the two guide cavities which are arranged in the linear direction, and each driving rod drives the two pressing blocks to rotate and press and attach.
6. An electric locking device as set forth in claim 1, wherein: the upper surface of guide way shell is covered with the apron, the apron is provided with the protruding sleeve of direction corresponding to the position of guide body.
7. An electric locking device as set forth in claim 1, wherein: the output end of the driving motor is connected with a speed reducing mechanism, and the output end of the speed reducing mechanism drives the driving rod to move axially.
8. An electric locking device as claimed in claim 7, wherein: the speed reducer base that reduction gears corresponds is provided with position sensor, position sensor orientation the actuating lever setting, position sensor is used for responding to the position of actuating lever.
9. An electric locking device as set forth in claim 8, wherein: and a guide rod is also arranged between the two bases which are positioned on the same straight line, and the speed reducer base is fixedly arranged on the guide rod and the driving rod in a suspending way.
10. An electric locking device as set forth in claim 1, wherein: the outer edge of the screw rod nut is provided with a gear, the driving rod is provided with a rack corresponding to the gear of the screw rod nut, and the gear is meshed with the rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122318941.8U CN216507854U (en) | 2021-09-24 | 2021-09-24 | Electric locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122318941.8U CN216507854U (en) | 2021-09-24 | 2021-09-24 | Electric locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216507854U true CN216507854U (en) | 2022-05-13 |
Family
ID=81520960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122318941.8U Active CN216507854U (en) | 2021-09-24 | 2021-09-24 | Electric locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216507854U (en) |
-
2021
- 2021-09-24 CN CN202122318941.8U patent/CN216507854U/en active Active
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