CN212745255U - Rotary valve actuating device - Google Patents
Rotary valve actuating device Download PDFInfo
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- CN212745255U CN212745255U CN202021896756.6U CN202021896756U CN212745255U CN 212745255 U CN212745255 U CN 212745255U CN 202021896756 U CN202021896756 U CN 202021896756U CN 212745255 U CN212745255 U CN 212745255U
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- valve
- lead screw
- plate
- shaft
- motor
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Abstract
The utility model discloses a rotary valve actuating device, including valve body and valve plate, the valve plate through a valve shaft with the valve body rotates continuously, its characterized in that: the outer side wall of the valve body is provided with an actuating mechanism, and the actuating mechanism is connected with the outer side wall of the valve body through a support; the valve shaft is fixedly connected with the support, and the left side of the transverse plate is fixedly connected with the right side of the support; the actuating mechanism comprises a motor and a lead screw, a mounting plate is installed on the right side of the front end face of the transverse plate in a rotating mode, the motor is installed on the mounting plate, a connecting shaft is arranged on the front side of the top of the swing arm plate, the connecting shaft is connected with the swing arm plate in a rotating mode, the upper portion of the lead screw is connected with the connecting shaft in a rotating mode, and the lower portion of the lead screw is connected with an output shaft of the motor through a lead screw pair. The utility model discloses maintenance rate and cost have been reduced.
Description
Technical Field
The present invention relates to a valve, and more particularly to a rotary valve actuator.
Background
Part of the rotary valve actuator is typically a worm gear reducer or a rack and pinion reducer. For large-size valves, the actuating device has the defects of complex structure, large volume, high cost, and easy damage of stress parts such as worm gear members and the like. Therefore, the technical problem is solved by the skilled person in the art.
Disclosure of Invention
The utility model aims at providing a rotary valve actuating device, through using this structure, effectively reduced the maintenance rate, the cost is reduced.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a rotary valve actuating device comprises a valve body, wherein a circulation groove is arranged in the valve body, a valve plate is arranged in the circulation groove, the valve plate is rotatably connected with the valve body through a valve shaft, an actuating mechanism is arranged on the outer side wall of the valve body, the actuating mechanism is connected with the outer side wall of the valve body through a support, the support is installed on the outer side wall of the valve body, and the front end of the valve shaft penetrates through the valve body and the support and is arranged on the front side of the support;
the valve shaft is characterized in that a swing arm plate and a transverse plate are arranged on the front side of the support, the bottom of the swing arm plate is fixedly connected with the front end of the valve shaft, the left side of the transverse plate is fixedly connected with the front side of the support, the left side of the transverse plate is arranged below the valve shaft, and the right side of the transverse plate is arranged outside the right side of the support;
the actuating mechanism comprises a motor and a lead screw, a mounting plate is installed on the right side of the front end face of the transverse plate in a rotating mode, the motor is installed on the mounting plate, a connecting shaft is arranged on the front side of the top of the swing arm plate, the rear end of the connecting shaft is connected with the swing arm plate in a rotating mode, the upper portion of the lead screw is connected with the connecting shaft in a rotating mode, and the lower portion of the lead screw is connected with an output shaft of the motor through a lead screw pair.
In the above technical scheme, the motor output shaft drives the screw pair to rotate, the screw pair drives the screw to move up and down, and the movement of the screw drives the valve shaft to rotate through the swing arm.
In the technical scheme, an installation position is arranged in the installation plate, the middle of the screw pair is rotatably installed in the installation position, the right side of the screw pair is arranged outside the right side of the installation plate, the motor is installed on the right side surface of the installation plate, and the output shaft of the motor is connected with the outer edge surface of the right side of the screw pair through the speed reducing mechanism.
In the above technical solution, the speed reducing mechanism includes a first gear and a second gear, the first gear is mounted on the right outer edge surface of the screw pair, the second gear is mounted on the output shaft of the motor, and the first gear is engaged with the second gear.
In the technical scheme, the lead screw, the swing arm plate and the transverse plate form a triangular structure.
In the technical scheme, the connecting shaft is provided with a mounting hole, and the upper part of the lead screw is rotatably connected with the mounting hole.
Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
1. the utility model discloses in through adopting motor drive lead screw transmission, utilize the transmission of lead screw to promote and stimulate the swing arm board and drive the valve shaft and rotate to realize the rotation of valve plate, realize the switch and the closure of valve plate, compare with the structure in the past, the structure is simpler, compact, the cost is lower, and is reliable and stable more, can effectively reduce the maintenance rate moreover.
Drawings
Fig. 1 is a schematic structural diagram in a first embodiment of the present invention.
Wherein: 1. a valve body; 2. a valve plate; 3. a valve shaft; 4. a support; 5. a swing arm plate; 6. a transverse plate; 7. a motor; 8. a lead screw; 9. mounting a plate; 10. a connecting shaft; 11. a lead screw pair; 12. a first gear; 13. a second gear.
Detailed Description
The invention will be further described with reference to the following drawings and examples:
the first embodiment is as follows: referring to fig. 1, a rotary valve actuator includes a valve body 1, a circulation groove is provided in the valve body, a valve plate 2 is provided in the circulation groove, the valve plate is rotatably connected to the valve body via a valve shaft 3, an actuator is provided on an outer sidewall of the valve body, the actuator is connected to an outer sidewall of the valve body via a bracket 4, the bracket is installed on the outer sidewall of the valve body, and a front end of the valve shaft passes through the valve body and the bracket and is provided on a front side of the bracket;
the valve shaft is characterized in that a swing arm plate 5 and a transverse plate 6 are arranged on the front side of the support, the bottom of the swing arm plate is fixedly connected with the front end of the valve shaft, the left side of the transverse plate is fixedly connected with the front side of the support, the left side of the transverse plate is arranged below the valve shaft, and the right side of the transverse plate is arranged outside the right side of the support;
actuating mechanism includes motor 7 and lead screw 8, the right side of terminal surface is rotated before the diaphragm installs a mounting panel 9, the motor install in on the mounting panel, the top front side of swing arm board is equipped with a connecting axle 10, the rear end of connecting axle with the swing arm board rotates and links to each other, the top of lead screw with the connecting axle rotates and links to each other, the below of lead screw through a lead screw pair 11 with the output shaft of motor links to each other.
The motor output shaft drives the screw pair to rotate, the screw pair drives the screw to move up and down, and the movement of the screw drives the valve shaft to rotate through the swing arm.
In this embodiment, in the time of practical use, the motor output shaft rotates, it rotates to drive the screw pair, the clockwise rotation of screw pair drives the lead screw and moves down, the anticlockwise rotation of screw pair drives the lead screw and moves up, when needs drive the valve plate and open, the motor drives the clockwise rotation of screw pair, the pulling lead screw moves down along the screw pair, at this in-process, the top of lead screw can move towards right side below, also be exactly the top that the lead screw can pull the swing arm board and move towards right side below, the swing arm board can drive the clockwise rotation of valve shaft like this, the rotation of valve shaft can drive the valve plate and rotate, open the runner of valve body. In the process, the screw rod is pulled to move towards the lower right, namely the swing arm plate and the valve shaft are pulled to rotate clockwise, and similarly, when the circulation groove needs to be closed, the motor drives the screw rod pair to rotate anticlockwise, the screw rod moves upwards, namely the swing arm plate and the valve shaft are pushed to rotate clockwise, and the valve plate is driven to close the circulation groove.
In this embodiment, be equipped with an installation position in the mounting panel, the middle part of lead screw pair rotate install in the installation position, the right side of lead screw pair set up in the right side outside of mounting panel, the motor install in on the right flank of mounting panel, the output shaft of motor through reduction gears with the right side outer fringe face of lead screw pair links to each other.
The speed reducing mechanism comprises a first gear 12 and a second gear 13, the first gear is mounted on the outer edge surface of the right side of the screw pair, the second gear is mounted on the output shaft of the motor, and the first gear is meshed with the second gear.
Adopt first gear and second gear to be connected the output shaft and the lead screw pair of motor, can be connected the output shaft and the lead screw pair of motor like this, simultaneously, the diameter of first gear is greater than with the diameter of second gear, motor output shaft rotational speed is high like this, can slow down the rotational speed of the lead screw pair, can slow down the moving speed of lead screw like this, guarantees the moving accuracy of lead screw, when guaranteeing the valve shaft rotation, valve plate rotational accuracy.
The lead screw, the swing arm plate and the transverse plate form a triangular structure. Thus, the fastness and the stability are good.
The connecting shaft is provided with a mounting hole, and the upper part of the lead screw is rotatably connected with the mounting hole. When the lead screw reciprocates along the lead screw pair, the top of the swing arm plate can be pulled to reciprocate through the lead screw and the connecting shaft mounting hole, the relative position of the upper part of the lead screw and the connecting shaft cannot move, only the relative position of the lead screw and the lead screw pair can move, and the rotation of the swing arm plate and the valve shaft can be ensured to be smooth.
Claims (6)
1. The utility model provides a rotary valve actuating device, includes the valve body, be equipped with the circulation groove in the valve body, be equipped with a valve plate in the circulation groove, the valve plate through a valve shaft with the valve body rotates and links to each other its characterized in that: the outer side wall of the valve body is provided with an actuating mechanism, the actuating mechanism is connected with the outer side wall of the valve body through a support, the support is installed on the outer side wall of the valve body, and the front end of the valve shaft penetrates through the valve body and the support and is arranged on the front side of the support;
the valve shaft is characterized in that a swing arm plate and a transverse plate are arranged on the front side of the support, the bottom of the swing arm plate is fixedly connected with the front end of the valve shaft, the left side of the transverse plate is fixedly connected with the front side of the support, the left side of the transverse plate is arranged below the valve shaft, and the right side of the transverse plate is arranged outside the right side of the support;
the actuating mechanism comprises a motor and a lead screw, a mounting plate is installed on the right side of the front end face of the transverse plate in a rotating mode, the motor is installed on the mounting plate, a connecting shaft is arranged on the front side of the top of the swing arm plate, the rear end of the connecting shaft is connected with the swing arm plate in a rotating mode, the upper portion of the lead screw is connected with the connecting shaft in a rotating mode, and the lower portion of the lead screw is connected with an output shaft of the motor through a lead screw pair.
2. A rotary valve actuator as claimed in claim 1, wherein: the motor output shaft drives the screw pair to rotate, the screw pair drives the screw to move up and down, and the movement of the screw drives the valve shaft to rotate through the swing arm.
3. A rotary valve actuator as claimed in claim 1, wherein: be equipped with an installation position in the mounting panel, the middle part of lead screw pair rotate install in the installation position, the right side of lead screw pair set up in the right side of mounting panel is outside, the motor install in on the right flank of mounting panel, the output shaft of motor through reduction gears with the right side outer fringe face of lead screw pair links to each other.
4. A rotary valve actuator as claimed in claim 3, wherein: the speed reducing mechanism comprises a first gear and a second gear, the first gear is mounted on the outer edge surface of the right side of the screw pair, the second gear is mounted on an output shaft of the motor, and the first gear is meshed with the second gear.
5. A rotary valve actuator as claimed in claim 1, wherein: the lead screw, the swing arm plate and the transverse plate form a triangular structure.
6. A rotary valve actuator as claimed in claim 1, wherein: the connecting shaft is provided with a mounting hole, and the upper part of the lead screw is rotatably connected with the mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021896756.6U CN212745255U (en) | 2020-09-03 | 2020-09-03 | Rotary valve actuating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021896756.6U CN212745255U (en) | 2020-09-03 | 2020-09-03 | Rotary valve actuating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212745255U true CN212745255U (en) | 2021-03-19 |
Family
ID=74992457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021896756.6U Active CN212745255U (en) | 2020-09-03 | 2020-09-03 | Rotary valve actuating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212745255U (en) |
-
2020
- 2020-09-03 CN CN202021896756.6U patent/CN212745255U/en active Active
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