CN217603213U

CN217603213U - Manual and electric switching device of electric actuator

Info

Publication number: CN217603213U
Application number: CN202221569439.2U
Authority: CN
Inventors: 杨辉; 童利平; 杨向勇
Original assignee: Zhengzhou Daume Control Technology Co ltd
Current assignee: Zhengzhou Daume Control Technology Co ltd
Priority date: 2022-06-22
Filing date: 2022-06-22
Publication date: 2022-10-18
Anticipated expiration: 2032-06-22

Abstract

The utility model discloses an electric actuator's manual electronic auto-change over device relates to electric actuator technical field, including mount pad, executor main part and output shaft, the upper surface and the equal fixedly connected with inserted block of lower surface of sliding block, the upper end fixedly connected with handle of axis of rotation, the inside fixedly connected with magnet in second transmission hole, the equal sliding connection in inside both sides of axis of rotation has the depression bar, and the depression bar cup joints in the inside of guide block through leading to the groove. The utility model has the advantages that the switching between electric operation and manual operation is more convenient and simple and the operation is easy by arranging the handle, the rotating shaft, the fixing seat, the sliding block, the inserting block, the first transmission ring, the first transmission hole, the second transmission ring, the second transmission hole, the magnet, the loop bar and the transmission rod; through setting up inserted bar, depression bar, guide block, spring and slipmat, can prevent to construct suddenly rotating at shutdown such as the external hand wheel of in-process that switches over from the electronic to manual, avoid causing the potential safety hazard.

Description

Manual and electric switching device of electric actuator

Technical Field

The utility model relates to an electric actuator technical field specifically is an electric actuator's manual electronic auto-change over device.

Background

An actuator is a drive device that provides linear or rotational motion, and operates with some type of drive energy and under some type of control signal, and is classified as an electric, pneumatic, hydraulic, or other energy actuator according to the type of energy used. The electric actuator has the advantages of convenient and easy energy source taking, high signal transmission speed, long signal transmission distance and the like, has relatively high accuracy and sensitivity, and is convenient to match with other electric adjusting instruments and easy to operate; the anti-deviation capacity is good, the output torque or thrust is basically constant, the unbalanced force of the medium can be overcome well, the accurate control of relevant process parameters is ensured, and the control accuracy is higher than that of other controllers. The manual execution mode is additionally arranged on a common electric actuator, so that the normal use of the actuator under the condition of power failure is ensured, and a switching device is arranged on the actuator in order to ensure the safety during electric and manual conversion; under the electronic state, worm drive worm wheel drives the output shaft and rotates, when the condition that needs manual regulation appears, through adjusting electronic manual auto-change over device, realizes manual control output shaft.

At present, the switching operation between the manual and the electric of the manual and electric switching device of the existing electric actuator is inconvenient, the operation process is labor-consuming and inconvenient to use, and the external hand wheel and other switching mechanisms are driven to rotate suddenly sometimes in the process of switching from electric to manual, so that certain potential safety hazards exist, and certain improvement space is provided.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an electric actuator's manual electronic auto-change over device has solved the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a manual and electric switching device of an electric actuator comprises a mounting seat, an actuator body and an output shaft, wherein a sliding block is connected inside the actuator body in a sliding manner, an insert block is fixedly connected to the upper surface and the lower surface of the sliding block, a fixed seat is fixedly connected to the middle of the upper surface of the sliding block, a rotating shaft is rotatably connected inside the fixed seat, a handle is fixedly connected to the upper end of the rotating shaft, a fixed frame is fixedly connected to the upper portion and the lower portion of the inner surface of the actuator body, a first fixed bearing is mounted on the outer surface of the fixed frame on the lower portion, an electric worm gear is rotatably connected to the fixed frame on the upper portion through the first fixed bearing, a first transmission ring matched with the insert block is arranged on the upper surface of the first transmission ring, the insert block is inserted into the first transmission hole on the lower portion, a second fixed bearing is mounted on the outer surface of the fixed frame on the upper portion, a manual worm gear is rotatably connected to the fixed frame on the upper portion through the second fixed bearing, a second transmission ring is fixedly connected to the lower surface of the manual worm gear, a second transmission ring matched with a second transmission hole is arranged on the lower end of a sleeve rod, and a sliding rod is connected to the lower end of the sliding rod;

the utility model discloses a handle, including axis of rotation, handle, pivot, the inside sliding connection of axis of rotation and handle has the inserted bar, the equal sliding connection in inside both sides of axis of rotation has the depression bar, the outer end fixedly connected with slipmat of depression bar, the internal surface fixed connection of axis of rotation has the guide block, logical groove has been seted up to the inside of depression bar, and the depression bar cup joints in the inside of guide block through logical groove, a side fixedly connected with spring of guide block, the spring drives the inside wall fixed connection of the other end and logical groove.

Optionally, the quantity of inserted block is a plurality of, a plurality of the inserted block is annular array and distributes, the outer end of inserted block is equipped with the chamfer, and the material of inserted block is metal iron.

Optionally, the insert block is disposed on the periphery of the fixing seat, the rotating shaft is T-shaped, and extends upward to the upper surface of the actuator body, and the upper portion and the lower portion are symmetrically disposed between the fixing frames.

Optionally, the outer surface of the electric worm wheel is connected with an electric worm in a transmission manner, the electric worm is rotatably arranged inside the actuator main body, the mounting seat is fixedly mounted at the lower side of the actuator main body, a motor is fixedly mounted inside the mounting seat, and the output end of the motor is fixedly connected with the electric worm.

Optionally, the outer surface of the manual worm wheel is connected with a manual worm in a transmission manner, the manual worm is rotatably arranged inside the actuator main body, and the outer end of the manual worm is fixedly connected with a hand wheel.

Optionally, the sleeve rod and the transmission rod are both regular prisms, and the output shaft is rotatably disposed inside the actuator body.

Optionally, the insertion rod extends upwards to above the handle, and the cross section of the lower end of the insertion rod is in an isosceles trapezoid shape.

Optionally, the inner end of the pressure lever is in an inclined plane shape, and the non-slip mat is made of rubber.

Advantageous effects

The utility model provides an electric actuator's manual electronic auto-change over device possesses following beneficial effect:

1. the manual-electric switching device of the electric actuator is characterized in that a handle, a rotating shaft, a fixed seat, a sliding block, an inserting block, a first transmission ring, a first transmission hole, a second transmission ring, a second transmission hole, a magnet, a loop bar and a transmission rod are arranged, when the output end of a motor rotates, an output shaft can be driven to rotate, at the moment, the output shaft is in an electric mode, when the handle is pulled upwards by hand, the inserting block at the upper part can be inserted into the second transmission hole, then a hand wheel is rotated to drive the output shaft to rotate, the electric-to-manual switching is realized, when the manual-to-electric switching is needed, the rotating shaft is pressed downwards to reset, the switching between the electric mode and the manual mode is more convenient and simple, the operation is easy, the learning and use cost is lower, and the switching process is time-saving and labor-saving;

2. this manual electronic auto-change over device of electric actuator, through setting up the inserted bar, the depression bar, the guide block, spring and slipmat, if the position of inserted block is not corresponding with second transmission hole or first transmission hole, can push down the inserted bar earlier, then move the handle through upwards pulling or push down and make the inserted block support at the surface of second transmission ring or first transmission ring, and slowly rotate the handle until the inserted block corresponds with second transmission hole or first transmission hole, can inject the inserted block in second transmission hole or first transmission hole in, this mechanism can prevent to follow the sudden rotation of external equiphase shutdown mechanism such as electronic switching to manual in-process, avoid causing the potential safety hazard, improve its security.

Drawings

FIG. 1 is a front view of the cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the front perspective structure of the present invention;

FIG. 3 is a schematic view of the rear perspective structure of the present invention;

FIG. 4 is a schematic view of the front perspective structure of the internal structure of the present invention;

fig. 5 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a mounting seat; 2. a motor; 3. an electric worm; 4. an electric worm gear; 5. a first fixed bearing; 6. a transmission rod; 7. an output shaft; 8. a fixed mount; 9. a loop bar; 10. a first drive ring; 11. a first transmission hole; 12. a slider; 13. a fixed seat; 14. inserting a block; 15. a second drive aperture; 16. a magnet; 17. a second fixed bearing; 18. a handle; 19. inserting a rod; 20. a manual worm gear; 21. a manual worm; 22. an actuator body; 23. a hand wheel; 24. a pressure lever; 25. a guide block; 26. a spring; 27. a non-slip mat; 28. a rotating shaft; 29. a second drive ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example 1

Referring to fig. 1 to 4, the present invention provides a technical solution: a manual and electric switching device of an electric actuator comprises a mounting seat 1, an actuator main body 22 and an output shaft 7, wherein a sliding block 12 is connected inside the actuator main body 22 in a sliding manner, the upper surface and the lower surface of the sliding block 12 are fixedly connected with inserting blocks 14, the number of the inserting blocks 14 is a plurality, the inserting blocks 14 are distributed in an annular array manner, the outer ends of the inserting blocks 14 are provided with chamfers, the inserting blocks 14 are made of metal iron, the middle part of the upper surface of the sliding block 12 is fixedly connected with a fixing seat 13, the inside of the fixing seat 13 is rotatably connected with a rotating shaft 28, the upper end of the rotating shaft 28 is fixedly connected with a handle 18, the upper part and the lower part of the inner surface of the actuator main body 22 are fixedly connected with fixing frames 8, the inserting blocks 14 are arranged on the periphery of the fixing seat 13, the rotating shaft 28 is T-shaped, the rotating shaft 28 extends upwards to the upper surface of the actuator main body 22, and the upper part and the lower part of the fixing frames 8 are symmetrically arranged, the outer surface of the lower fixing frame 8 is provided with a first fixing bearing 5, the lower fixing frame 8 is rotatably connected with an electric worm gear 4 through the first fixing bearing 5, the outer surface of the electric worm gear 4 is connected with an electric worm 3 in a transmission manner, the electric worm 3 is rotatably arranged in the actuator main body 22, the mounting seat 1 is fixedly arranged at the lower side of the actuator main body 22, the inner part of the mounting seat 1 is fixedly provided with a motor 2, the output end of the motor 2 is fixedly connected with the electric worm 3, the upper surface of the electric worm gear 4 is fixedly connected with a first transmission ring 10, the upper surface of the first transmission ring 10 is provided with a first transmission hole 11 matched with an insertion block 14, the lower insertion block 14 is inserted in the first transmission hole 11, the outer surface of the upper fixing frame 8 is provided with a second fixing bearing 17, and the upper fixing frame 8 is rotatably connected with a manual worm gear 20 through the second fixing bearing 17, the outer surface transmission of manual worm wheel 20 is connected with manual worm 21, manual worm 21 rotates and sets up in executor main part 22's inside, and the outer end fixedly connected with hand wheel 23 of manual worm 21, the lower surface fixedly connected with second transmission ring 29 of manual worm wheel 20, second transmission hole 15 with inserted block 14 looks adaptation is seted up to the lower surface of second transmission ring 29, the inside fixedly connected with magnet 16 in second transmission hole 15, the lower surface middle part fixedly connected with loop bar 9 of sliding block 12, the inside sliding connection of loop bar 9 has transfer line 6, the lower extreme and the output shaft 7 fixed connection of transfer line 6, the shape of loop bar 9 and transfer line 6 is regular prism, output shaft 7 rotates and sets up in executor main part 22's inside.

When the electric power switch is in a power-driven mode, when the output end of the motor 2 drives the electric worm 3 to rotate, the electric worm wheel 4 and the first transmission ring 10 can be driven to rotate, the first transmission ring 10 further drives the sliding block 12 to rotate through the first transmission hole 11 and the lower insertion block 14, the rotating shaft 28 and the fixed seat 13 can rotate, the rotating shaft 28 cannot rotate in the process, the sliding block 12 finally drives the transmission rod 6 and the output shaft 7 to rotate through the sleeve rod 9, at the moment, the handle 18 is pulled upwards by hand, the sliding block 12 and the insertion block 14 can be driven to slide upwards through the rotating shaft 28 and the fixed seat 13, the upper insertion block 14 is inserted into the second transmission hole 15 in the second transmission ring 29, the magnet 16 adsorbs the upper insertion block 14 to fix the insertion block 14 in the second transmission hole 15, the sliding block 12 is fixed, then the hand wheel 23 can drive the manual worm 21 to rotate, the manual worm 21 further drives the second transmission ring 29 to rotate through the manual worm wheel 20, the second transmission ring 29 further drives the second transmission hole 15 and the upper insertion block 14 to rotate, finally, the manual worm 12 drives the manual worm wheel 12 to rotate, the sliding block 6 to rotate, and the manual transmission rod 7 to be switched to the electric worm wheel 7, and the electric worm wheel can be easily operated, and the electric worm wheel can be switched to the electric worm wheel 28, and the electric worm wheel can be easily operated, and the electric worm wheel can be easily switched to the output shaft, and the electric worm wheel 7, and the electric worm wheel can be easily switched to be easily, and the electric worm wheel can be easily switched to be used, and the electric worm wheel can be easily switched to be used, and the electric worm wheel can be easily, and the electric worm wheel can be conveniently.

Example 2

Referring to fig. 1 and 5, the present invention provides a technical solution: the utility model provides an electric actuator's manual electronic auto-change over device, the inside sliding connection of axis of rotation 28 and handle 18 has inserted bar 19, the equal sliding connection in inside both sides of axis of rotation 28 has depression bar 24, the outer end fixedly connected with slipmat 27 of depression bar 24, the internal fixed surface of axis of rotation 28 is connected with guide block 25, logical groove has been seted up to depression bar 24's inside, and depression bar 24 cup joints in guide block 25's inside through leading to the groove, a side fixedly connected with spring 26 of guide block 25, spring 26 drives the other end and leads to the inside wall fixed connection in groove, inserted bar 19 upwards extends to the top of handle 18, the cross-sectional shape of inserted bar 19 lower extreme is isosceles trapezoid, the shape of depression bar 24 inner is the inclined plane type, the material of slipmat 27 is rubber.

When the hand wheel 23 is slowly rotated in the process until the insert block 14 is inserted into the second transmission hole 15 or the first transmission hole 11, the insert block 14 can be separated from the second transmission hole 15 or the first transmission hole 11 simultaneously under the action of pulling or pressing the handle 18 downwards, and the insert block 14 is abutted against the outer surface of the second transmission ring 29 or the first transmission ring 10, so that the hand wheel 23 cannot rotate in the process, the hand wheel mechanism can prevent sudden shutdown of the hand wheel mechanism from the outside in the process of electric-manual switching, and safety hazards of sudden shutdown of the hand wheel mechanism can be avoided, and safety hazards of the hand wheel mechanism are avoided.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an electric actuator's manual electronic auto-change over device, includes mount pad (1), executor main part (22) and output shaft (7), its characterized in that: the inner part of the actuator main body (22) is connected with a sliding block (12) in a sliding manner, the upper surface and the lower surface of the sliding block (12) are fixedly connected with an insert block (14), the middle part of the upper surface of the sliding block (12) is fixedly connected with a fixing seat (13), the inner part of the fixing seat (13) is rotatably connected with a rotating shaft (28), the upper end of the rotating shaft (28) is fixedly connected with a handle (18), the upper part and the lower part of the inner surface of the actuator main body (22) are fixedly connected with a fixing frame (8) and the lower part, the outer surface of the fixing frame (8) is provided with a first fixing bearing (5), the lower part of the fixing frame (8) is rotatably connected with an electric worm gear (4) through the first fixing bearing (5), the upper surface of the electric worm gear (4) is fixedly connected with a first transmission ring (10), the upper surface of the first transmission ring (10) is provided with a first transmission hole (11) matched with the insert block (14), the lower part of the insert block (14) is rotatably connected in the first transmission hole (11), the outer surface of the upper part of the fixing frame (8) is provided with a second fixing frame (17), the upper part of the fixing frame (8) is rotatably connected with a second fixing frame (17), the manual worm gear (20), a second transmission hole (15) matched with the insertion block (14) is formed in the lower surface of the second transmission ring (29), a magnet (16) is fixedly connected inside the second transmission hole (15), a loop bar (9) is fixedly connected to the middle of the lower surface of the sliding block (12), a transmission rod (6) is slidably connected inside the loop bar (9), and the lower end of the transmission rod (6) is fixedly connected with the output shaft (7);

the utility model discloses a handle, including axis of rotation (28) and handle (18), the inside sliding connection of axis of rotation (28) has inserted bar (19), the equal sliding connection in inside both sides of axis of rotation (28) has depression bar (24), outer end fixedly connected with slipmat (27) of depression bar (24), the internal surface fixed connection of axis of rotation (28) has guide block (25), logical groove has been seted up to the inside of depression bar (24), and depression bar (24) cup joints in the inside of guide block (25) through leading to the groove, a side fixedly connected with spring (26) of guide block (25), spring (26) drive the other end and lead to the inside wall fixed connection in groove.

2. The manual-electric switching device of the electric actuator according to claim 1, wherein: the quantity of inserted block (14) is a plurality of, a plurality of inserted block (14) is annular array and distributes, the outer end of inserted block (14) is equipped with the chamfer, and the material of inserted block (14) is metal iron.

3. The manual-electric switching device of the electric actuator according to claim 1, wherein: the inserting block (14) is arranged on the periphery of the fixed seat (13), the rotating shaft (28) is T-shaped, the rotating shaft (28) extends upwards to the upper surface of the actuator main body (22), and the upper portion and the lower portion of the rotating shaft are symmetrically arranged between the fixed frames (8).

4. The manual-electric switching device of the electric actuator according to claim 1, wherein: the surface transmission of electronic worm wheel (4) is connected with electronic worm (3), electronic worm (3) rotate to set up in the inside of executor main part (22), mount pad (1) fixed mounting is in the downside of executor main part (22), and the inside fixed mounting of mount pad (1) has motor (2), the output and electronic worm (3) fixed connection of motor (2).

5. The manual-electric switching device of the electric actuator according to claim 1, wherein: the outer surface transmission of manual worm wheel (20) is connected with manual worm (21), manual worm (21) rotate to set up in the inside of executor main part (22), and the outer end fixedly connected with hand wheel (23) of manual worm (21).

6. The manual-electric switching device of the electric actuator according to claim 1, wherein: the sleeve rod (9) and the transmission rod (6) are both in a regular prism shape, and the output shaft (7) is rotatably arranged inside the actuator main body (22).

7. The manual-electric switching device of the electric actuator according to claim 1, wherein: the inserted rod (19) extends upwards to the upper part of the handle (18), and the output shaft (7) is rotatably arranged in the actuator main body (22).

8. The manual-electric switching device of the electric actuator according to claim 1, wherein: the cross section of the lower end of the inserted rod (19) is in an isosceles trapezoid shape, the inner end of the pressing rod (24) is in an inclined plane shape, and the non-slip mat (27) is made of rubber.