CN108442823B - Reversible rotating mechanism - Google Patents
Reversible rotating mechanism Download PDFInfo
- Publication number
- CN108442823B CN108442823B CN201810347103.3A CN201810347103A CN108442823B CN 108442823 B CN108442823 B CN 108442823B CN 201810347103 A CN201810347103 A CN 201810347103A CN 108442823 B CN108442823 B CN 108442823B
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- China
- Prior art keywords
- reversible
- sliding block
- mechanism according
- connecting rod
- rotation mechanism
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- 230000002441 reversible effect Effects 0.000 title claims abstract description 39
- 230000009347 mechanical transmission Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 238000003754 machining Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
- E05B47/0012—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with rotary electromotors
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B53/00—Operation or control of locks by mechanical transmissions, e.g. from a distance
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- Transmission Devices (AREA)
Abstract
The invention discloses a reversible rotating mechanism, and belongs to the technical field of machinery. The reversible rotating mechanism provided by the invention comprises a jacking device, a motor, a screw rod, a sliding rail, a pin, a sliding block, a connecting rod, a pin, a rocker, a key, a swinging shaft and a locking piece, wherein the connecting rod and the sliding block mechanism are combined and overlapped, when a maneuvering fault occurs, the locking piece is loosened or locked, the swinging shaft is pulled to rotate, the double-connecting-rod sliding block mechanism can operate, and the reversible action is manually completed. The reversible rotating mechanism provided by the invention can complete reversible conversion between maneuvering and manual actions, and has the advantages of simple structure, low machining cost, greatly improved reliability relative to clutch control and the like.
Description
Technical Field
The invention relates to a reversible rotating mechanism, and belongs to the technical field of machinery.
Background
In some important mechanical transmission occasions, when the mechanism fails and cannot be recovered or repaired in time, such as: under the conditions of sudden power loss and air loss, motor failure, mechanical failure and the like, manual action is needed to return the executive component and temporarily continue the manual action, and at the moment, various mechanical clutches are usually adopted in the components to disconnect the mechanism and then the manual action is implemented.
However, the clutch has high control and processing cost, low reliability, large structure and a plurality of influencing factors, and even can endanger the personal safety of people around in some emergency situations.
For example, in the existing plant workshops and laboratories, in order to achieve the purposes of isolating electromagnetism, bacteria and the like, mechanical doors with excellent isolation effects are often arranged at a passage and an entrance, and once the mechanical doors with the excellent isolation effects have a fault or are powered off, the door locks need to be disconnected through various mechanical clutches, and then manual actions are implemented to open or lock the doors.
Under the condition, once an emergency accident happens, if the door cannot be opened in time, the personal safety of people in the door cannot be guaranteed.
Therefore, the invention tries to construct a reversible rotating mechanism, which is connected with a switch device such as a door lock and the like, so as to achieve the aim of manually opening and closing the door under special conditions.
Disclosure of Invention
The invention aims to provide a reversible rotating mechanism, which utilizes the combination and superposition of a connecting rod and a sliding block mechanism, when a motor-driven fault occurs, a locking piece is loosened or locked, a swinging shaft is pulled to rotate, the double-connecting-rod sliding block mechanism can operate, and the reversible action is finished manually. The reversible rotating mechanism provided by the invention can complete reversible conversion between maneuvering and manual actions, and has the advantages of simple structure, low machining cost, greatly improved reliability relative to clutch control and the like.
The technical scheme of the invention is as follows:
the invention provides a reversible rotating mechanism which comprises a jacking device (1), a motor (2), a screw rod (3), a sliding rail (4), a pin (5), a sliding block (6), a connecting rod (7), a pin (8), a rocker (9), a key (10), a swinging shaft (11) and a locking piece (12);
the motor (2) is arranged on the jacking device (1);
the screw rod (3) penetrates through the jacking device (1);
the jacking device (1) drives the screw rod (3) to move through the motor (2);
the sliding rail (4) is connected to the top of the screw rod (3);
the sliding block (6) is matched with the contact surface of the sliding rail (4);
the sliding block (6) is hinged with the bottom of the connecting rod (7) through a pin (5);
the sliding block (6) can slide in the sliding rail (4);
the bottom of the rocker (9) is hinged with the top of the connecting rod (7) through a pin (8);
the top of the rocker (9) is connected with the bottom of the swinging shaft (11) through a key (10);
the rocker (9) can rotate for a certain angle;
the locking piece (12) penetrates through the sliding rail (4);
one side of the locking piece (12) is positioned outside the sliding rail (4);
the other side of the locking piece (12) is positioned in the rail of the sliding rail (4);
the tail end of one side of the locking piece (12) positioned in the rail of the sliding rail (4) can be in contact with the sliding block (6);
the locking piece (12) can pass through the sliding rail (4) to lock or loosen the sliding block (6).
In one embodiment of the invention, the jacking device (1) drives the screw rod (3) to move up and down through the motor (2).
In one embodiment of the invention, the sliding block (6) is dovetail-shaped or wedge-shaped or trapezoidal.
In one embodiment of the invention, the slide (6) is circular.
In one embodiment of the invention, the locking element (12) is located on the side of the slider (6) adjacent to the connecting rod (7).
In one embodiment of the invention, the rocker (9) can be rotated by 90 degrees in the plane formed by the connecting rod (7) and the rocker (9).
In one embodiment of the invention, the locking element (12) is a locking screw.
Has the advantages that:
(1) the reversible rotating mechanism provided by the invention achieves the purpose of loosening or clamping the actuating element by manually loosening or locking the locking element and manually wrenching the swinging shaft to rotate under the condition that the mechanical failure occurs or the power supply can not be supplied normally in the mechanical transmission occasion.
(2) According to the reversible rotating mechanism provided by the invention, the sliding block is designed into a dovetail shape, a wedge shape or a trapezoid shape, the sliding of the sliding block can be guaranteed to be most smooth, and the locking state of the locking part is most stable.
(3) According to the reversible rotating mechanism provided by the invention, the shape of the sliding block is designed to be circular, and the locking piece is arranged on the side, close to the connecting rod, of the sliding block.
Drawings
Fig. 1 is a schematic view of a reversible rotary mechanism of the present invention in a mechanically loosened state.
Fig. 2 is a schematic view of the motorized clamping condition of the reversible rotary mechanism of the present invention.
Fig. 3 is a schematic view of the reversible rotary mechanism of the present invention in a manually released state.
Fig. 4 is a schematic view showing a manual clamping state of the reversible rotary mechanism of the present invention.
Fig. 5 is a cross-sectional view of a portion a-a in fig. 1.
Wherein, 1 jacking device, 2 motors, 3 lead screws, 4 sliding rails, 5 pins, 6 sliding blocks, 7 connecting rods, 8 pins, 9 rocking bars, 10 keys, 11 swinging shafts and 12 locking parts.
Detailed Description
In order to achieve the above objects, features and advantages and to make the invention more comprehensible, the invention is described in further detail with reference to the accompanying drawings and specific examples.
Example 1
Referring to fig. 1-5, the reversible rotary mechanism of the present invention comprises a jacking device 1, a motor 2, a lead screw 3, a sliding rail 4, a pin 5, a sliding block 6, a connecting rod 7, a pin 8, a rocker 9, a key 10, a swing shaft 11 and a locking member 12; the motor 2 is arranged on the jacking device 1; the screw rod 3 penetrates through the jacking device 1; jacking device 1 drives lead screw 3 through motor 2 and removes, for example: moving up and down; the slide rail 4 is connected to the top of the screw rod 3; the slide block 6 is matched with the contact surface of the slide rail 4; the sliding block 6 is hinged with the bottom of the connecting rod 7 through a pin 5; the slide block 6 can slide in the slide rail 4; the bottom of the rocker 9 is hinged with the top of the connecting rod 7 through a pin 8; the top of the rocker 9 is connected with the bottom of the swinging shaft 11 through a key 10; the rocker 9 can rotate a certain angle; the locking piece 12 penetrates through the sliding rail 4; one side of the locking piece 12 is positioned outside the sliding rail 4; the other side of the locking piece 12 is positioned in the rail of the sliding rail 4; the end of one side of the locking piece 12 positioned in the inner part of the sliding rail 4 can be contacted with the sliding block 6; the locking member 12 can lock or unlock the slider 6 through the slide rail 4.
As a further preference, the rocker 9 is rotatable through 90 ° in the plane formed by the link 7 and the rocker 9.
As a further preference, the locking member 12 is a locking screw.
The implementation method of the invention is further described below by taking a mechanical electric door as an example:
the reversible rotating mechanism is arranged at the door lock of the mechanical electric door, when the door lock of the mechanical electric door normally operates and the power supply is normal, the locking part 12 is in a locking state, at the moment, the sliding block 6 and the sliding rail 4 are integrated, and the whole body can be regarded as a double-connecting-rod sliding block mechanism; when the mechanical electric door has a mechanical failure or the power supply cannot be normally supplied, the locking part 12 can be manually released or locked, the upper mechanism forms a rocker-slider mechanism, the slider 6 can move in the sliding rail 4, and then the swinging shaft 11 is manually pulled to rotate by 90 degrees, so that the function of opening and closing the electric door lock is achieved.
The following further describes the implementation method of the present invention by taking a factory pipeline grabbing device as an example:
the reversible rotating mechanism is arranged on a gripping device of a factory assembly line, such as a mechanical arm and the like, when the gripping device normally operates and the power supply is normal, the locking part 12 is in a locking state, at the moment, the sliding block 6 and the sliding rail 4 are integrated, and the whole body can be regarded as a double-connecting-rod sliding block mechanism; when the grabbing device has a mechanical failure or the power supply cannot be normally supplied, the locking part 12 can be manually released or locked, the upper mechanism forms a rocker-slider mechanism, the slider 6 can move in the sliding rail 4, and the swinging shaft 11 is manually pulled to rotate by 90 degrees, so that the function of manually releasing or clamping the actuating part is achieved.
Example 2
On the basis of embodiment 1, the slide block 6 is made to be dovetail-shaped or wedge-shaped or trapezoidal.
The design can ensure that the sliding of the sliding block 6 is smoother, and the locking state of the locking piece 12 is firmer.
Example 3
On the basis of embodiment 1, the shape of the slider 6 is replaced by a circular shape.
As a further preference, the locking element 12 is located on the side of the slider 6 adjacent to the connecting rod 7.
At this time, the locking member 12 is locked most stably while the slider 6 is ensured to slide most smoothly.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes and modifications can be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (15)
1. The reversible rotating mechanism is characterized by comprising a jacking device (1), a motor (2), a screw rod (3), a sliding rail (4), a first pin (5), a sliding block (6), a connecting rod (7), a second pin (8), a rocker (9), a key (10), a swinging shaft (11) and a locking piece (12);
the motor (2) is arranged on the jacking device (1);
the screw rod (3) penetrates through the jacking device (1);
the jacking device (1) drives the screw rod (3) to move through the motor (2);
the sliding rail (4) is connected to the top of the screw rod (3);
the sliding block (6) is matched with the contact surface of the sliding rail (4);
the sliding block (6) is hinged with the bottom of the connecting rod (7) through a first pin (5);
the sliding block (6) can slide in the sliding rail (4);
the bottom of the rocker (9) is hinged with the top of the connecting rod (7) through a second pin (8);
the top of the rocker (9) is connected with the bottom of the swinging shaft (11) through a key (10);
the rocker (9) can rotate for a certain angle;
the locking piece (12) penetrates through the sliding rail (4);
one side of the locking piece (12) is positioned outside the sliding rail (4);
the other side of the locking piece (12) is positioned in the rail of the sliding rail (4);
the tail end of one side of the locking piece (12) positioned in the rail of the sliding rail (4) can be in contact with the sliding block (6);
the locking piece (12) can pass through the sliding rail (4) to lock or unlock the sliding block (6);
the locking piece (12) is positioned on the side of the sliding block (6) close to the connecting rod (7).
2. A reversible rotation mechanism according to claim 1, characterized in that the lifting device (1) drives the screw rod (3) to move up and down by the motor (2).
3. A reversible rotation mechanism according to claim 1 or 2, characterized in that the slide (6) is dovetail-shaped or wedge-shaped or trapezoidal.
4. A reversible rotation mechanism according to claim 1 or 2, characterized in that the slide (6) is circular.
5. A reversible rotation mechanism according to claim 1, characterized in that the rocking lever (9) is rotatable 90 degrees in the plane formed by the connecting rod (7) and the rocking lever (9).
6. A reversible rotation mechanism according to claim 2, characterized in that the rocking lever (9) is rotatable 90 degrees in the plane formed by the connecting rod (7) and the rocking lever (9).
7. A reversible rotation mechanism according to claim 3, characterized in that the rocking lever (9) is rotatable 90 degrees in the plane formed by the connecting rod (7) and the rocking lever (9).
8. A reversible rotation mechanism according to claim 4, characterized in that the rocking lever (9) is rotatable 90 degrees in the plane formed by the connecting rod (7) and the rocking lever (9).
9. A reversible rotary mechanism according to claim 1 wherein the locking member (12) is a locking screw.
10. A reversible rotation mechanism according to claim 2, characterized in that the locking member (12) is a locking screw.
11. A reversible rotation mechanism according to claim 3, characterized in that the locking member (12) is a locking screw.
12. A reversible rotation mechanism according to claim 4, characterized in that the locking member (12) is a locking screw.
13. A reversible rotation mechanism according to claim 5, characterized in that the locking member (12) is a locking screw.
14. Use of a reversible rotary mechanism according to any one of claims 1 to 13 in a mechanical transmission.
15. A power door or robot comprising a reversible rotation mechanism as claimed in any one of claims 1 to 13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810347103.3A CN108442823B (en) | 2018-04-18 | 2018-04-18 | Reversible rotating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810347103.3A CN108442823B (en) | 2018-04-18 | 2018-04-18 | Reversible rotating mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108442823A CN108442823A (en) | 2018-08-24 |
| CN108442823B true CN108442823B (en) | 2020-07-07 |
Family
ID=63200773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810347103.3A Active CN108442823B (en) | 2018-04-18 | 2018-04-18 | Reversible rotating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108442823B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203570013U (en) * | 2013-11-30 | 2014-04-30 | 四川久远新方向智能科技有限公司 | Manual unlocking device of BRT (Bus Rapid Transit) platform sliding door |
| CN205558525U (en) * | 2016-03-29 | 2016-09-07 | 河南民生特种装备有限公司 | Take emergent opening device's of flexible axle electromagnetic shielding door |
| CN107542320A (en) * | 2017-09-12 | 2018-01-05 | 王启强 | A kind of double anti-door locks |
| JP6306490B2 (en) * | 2014-11-17 | 2018-04-04 | 株式会社鳴海合金製作所 | Vehicle door handle device |
| CN208347478U (en) * | 2018-04-18 | 2019-01-08 | 常州机电职业技术学院 | Reversible rotating mechanism |
-
2018
- 2018-04-18 CN CN201810347103.3A patent/CN108442823B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203570013U (en) * | 2013-11-30 | 2014-04-30 | 四川久远新方向智能科技有限公司 | Manual unlocking device of BRT (Bus Rapid Transit) platform sliding door |
| JP6306490B2 (en) * | 2014-11-17 | 2018-04-04 | 株式会社鳴海合金製作所 | Vehicle door handle device |
| CN205558525U (en) * | 2016-03-29 | 2016-09-07 | 河南民生特种装备有限公司 | Take emergent opening device's of flexible axle electromagnetic shielding door |
| CN107542320A (en) * | 2017-09-12 | 2018-01-05 | 王启强 | A kind of double anti-door locks |
| CN208347478U (en) * | 2018-04-18 | 2019-01-08 | 常州机电职业技术学院 | Reversible rotating mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108442823A (en) | 2018-08-24 |
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