CN210687176U - Improved structure of manual wheel of electric valve actuator - Google Patents
Improved structure of manual wheel of electric valve actuator Download PDFInfo
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- CN210687176U CN210687176U CN201921469175.1U CN201921469175U CN210687176U CN 210687176 U CN210687176 U CN 210687176U CN 201921469175 U CN201921469175 U CN 201921469175U CN 210687176 U CN210687176 U CN 210687176U
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Abstract
The utility model discloses an electric valve executor manual wheel improves structure, including the executor hand wheel, the executor casing, reduction gear group, the worm, the inside of executor casing includes that the variable speed assembly holds the chamber, worm assembly holds the chamber, be equipped with the shaft hole on the executor casing, the shaft hole is located worm assembly and holds directly over the chamber, the worm, reduction gear group installs respectively in worm assembly holds the chamber, the variable speed assembly holds the intracavity, the executor hand wheel includes the hand wheel axle, hand wheel gear, the worm includes from the driving wheel, reduction gear group includes first speed reduction drive wheel, the hand wheel axle passes the shaft hole and is connected with hand wheel gear, hand wheel gear is connected with from the driving wheel meshing through first speed reduction drive wheel, hand wheel gear's rotational. According to the manual wheel improved structure of the electric valve actuator, the hand wheel gear is added at the front end of the hand wheel shaft and is matched with the speed reduction driving wheel of the speed reduction gear set, so that speed reduction is realized, manual operation is labor-saving, and the situation that the valve cannot be rotated when the actuator hand wheel is manually operated is avoided.
Description
Technical Field
The utility model relates to an electric valve executor field especially relates to a manual wheel of electric valve executor improves structure.
Background
The existing electric valve actuators are all provided with manual wheels for manual adjustment and control when the electric actuator part cannot work. However, for electrically operated valve actuators with large conduit diameters or poor lubrication, it is often difficult for the operator to adjust and control the valve actuator with the manual wheel.
In the prior art, a speed reduction device of an intelligent valve actuator is disclosed in chinese patent application No. 201811629614.0, in which a worm gear mechanism includes a worm, a worm gear ring, a front bearing pressing cap and a rear bearing pressing cap, the worm gear ring is rotatably mounted on a box body, the worm mounted on the box body is engaged with a third external tooth of the worm gear ring, the front bearing pressing cap and the rear bearing pressing cap are hermetically mounted on the box body, and the worm extends out of the front bearing pressing cap. However, the worm of the valve is directly connected with the hand wheel after extending out of the front bearing pressing cap, and the hand wheel is difficult to rotate and often cannot rotate when meeting a large valve due to the fact that the transmission speed ratio is small and manual work is laborious during manual operation.
Disclosure of Invention
An object of the utility model is to provide an electric valve executor manual wheel improves structure, and this electric valve executor manual wheel improves structure and increases the hand wheel gear at the front end of hand wheel axle to cooperate with reduction gear set's speed reduction drive wheel, realize the speed reduction, make manual operation more laborsaving, can't the rotary valve door when avoiding executor hand wheel manual operation.
The technical scheme is as follows:
an improved structure of a manual wheel of an electric valve actuator comprises an actuator hand wheel, an actuator shell, a reduction gear set and a worm, the interior of the actuator shell comprises a variable speed assembly cavity and a worm assembly cavity, the actuator shell is provided with a shaft hole, the shaft hole is positioned right above the worm assembling cavity and is communicated with the variable speed assembling cavity through the worm assembling cavity, the worm and the reduction gear set are respectively arranged in the worm assembly cavity and the variable speed assembly cavity, the hand wheel of the actuator comprises a hand wheel shaft and a hand wheel gear, the worm comprises a driven wheel, the reduction gear set comprises a first reduction transmission wheel, the hand wheel shaft penetrates through the shaft hole to be connected with the hand wheel gear, the hand wheel gear is meshed with the driven wheel through the first speed reduction driving wheel, and the rotating speed of the hand wheel gear is larger than that of the driven wheel.
The ratio of the driven wheel to the hand wheel gear is 1/5.
Still include the hand wheel seat, the hand wheel seat is installed on the lateral surface in shaft hole, the hand wheel seat has wheel seat hole, the hand wheel axle passes in proper order wheel seat hole, shaft hole with hand wheel gear connects.
Still include the spring, the executor hand wheel still includes the hand wheel dish, the one end of hand wheel axle with the hand wheel dish is connected, the other end of hand wheel axle passes in proper order spring, wheel seat hole, shaft hole with hand wheel gear connects, the both ends of spring respectively with hand wheel dish, hand wheel seat support are supported tightly and are connected.
The actuator hand wheel further comprises a screw, and the hand wheel shaft is connected with the hand wheel disc through the screw.
The actuator hand wheel further comprises a handle, the hand wheel disc is circular, the handle is connected with the peripheral edge of the hand wheel disc, and the handle and the hand wheel shaft are respectively located on two opposite sides of the hand wheel disc.
The hand wheel gear is integrally arranged along the outer circumference of the lower end of the hand wheel shaft, a positioning groove is formed in the end face of the lower end of the hand wheel shaft, the driven wheel is provided with a first through hole, the worm penetrates through the first through hole and is movably connected with the positioning groove in a limiting mode, and the worm is connected with the driven wheel through the first through hole.
The first speed reduction driving wheel is a duplicate gear, the first speed reduction driving wheel comprises a first gear and a second gear, the first gear and the driven wheel are larger than the second gear and a hand wheel gear, the hand wheel gear is meshed with the first gear, and the second gear is meshed with the driven wheel.
The actuator shell is characterized by further comprising a driving motor, the actuator shell further comprises a motor assembly accommodating cavity, the motor assembly accommodating cavity is communicated with the variable speed assembly accommodating cavity, the driving motor is provided with a driving wheel, and the driving motor is meshed with the reduction gear set through the driving wheel.
The reduction gear set further comprises a second reduction transmission wheel which is a duplicate gear, the second reduction transmission wheel comprises a third gear and a fourth gear, the third gear is larger than the fourth gear and a driving wheel, the driving wheel is meshed with the third gear, and the fourth gear is meshed with the first gear.
It should be noted that:
the foregoing references to "first and second …" do not denote any particular quantity or order, but rather are used to distinguish one name from another.
In the description of the present invention, it is to be understood that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown on the drawings, which are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
The advantages or principles of the invention are explained below:
1. the improved structure of the manual wheel of the electric valve actuator comprises an actuator hand wheel, an actuator shell, a reduction gear set and a worm, wherein the actuator hand wheel comprises a hand wheel shaft and a hand wheel gear, the worm comprises a driven wheel, the reduction gear set comprises a first reduction transmission wheel, when the electric valve actuator is operated manually, the actuator hand wheel is rotated manually, the hand wheel gear is driven to rotate by rotating the hand wheel shaft, and the hand wheel gear drives the driven wheel of the worm to rotate in a speed reduction manner through the first reduction transmission wheel; according to the manual wheel improved structure of the electric valve actuator, the hand wheel gear is added at the front end of the hand wheel shaft and is matched with the speed reduction transmission wheel of the speed reduction gear set, one-level speed reduction is added, speed reduction is realized, manual operation is labor-saving, and the situation that the valve cannot be rotated when the actuator hand wheel is manually operated is avoided.
2. Preferably, the speed ratio of the driven wheel to the hand wheel gear is 1/5, so that five times of speed reduction from the hand wheel gear to the driven wheel is realized, and the manual operation of the hand wheel of the actuator is more labor-saving.
3. The hand wheel seat is arranged to support the rotation of the hand wheel of the actuator, so that the operation is convenient.
4. The hand wheel shaft is connected with the hand wheel disc through the screw, so that the assembly is convenient, and the cost is saved.
5. The setting of handle, when needing to carry out manual control to electric valve executor, it is more convenient to operate.
6. The arrangement of the positioning groove facilitates the positioning of the front end of the hand wheel shaft, the movable meshing connection of the hand wheel gear and the first speed reduction driving wheel is facilitated, and the operation is facilitated.
7. The first speed reduction driving wheel comprises a first gear and a second gear, when the first speed reduction driving wheel is used, the rotation of the hand wheel gear drives the first gear to rotate, the first gear drives the driven wheel to rotate through the second gear, and the first gear and the driven wheel are larger than the second gear and the hand wheel gear, so that the hand wheel gear and the driven wheel realize speed reduction.
8. The driving motor is arranged to provide electric driving power for the electric valve actuator.
9. The speed reduction gear set further comprises a second speed reduction driving wheel, the driving motor achieves first-stage speed reduction through the second speed reduction driving wheel, and second-stage speed reduction is achieved through the first speed reduction driving wheel.
Drawings
Fig. 1 is a schematic overall sectional view of the improved structure of the manual wheel of the electric valve actuator of the present invention.
Description of reference numerals:
10. actuator hand wheel, 11, hand wheel shaft, 111, positioning groove, 12, hand wheel gear, 13, hand wheel disc, 14, screw, 15, handle, 20, actuator shell, 21, speed change assembly cavity, 22, worm assembly cavity, 23, shaft hole, 30, reduction gear set, 31, first reduction transmission wheel, 311, first gear, 312, second gear, 32, second reduction transmission wheel, 321, third gear, 322, fourth gear, 40, worm, 41, driven wheel, 50, hand wheel seat, 51, wheel seat hole, 60, spring, 70, driving motor, 71 and driving wheel.
Detailed Description
The following describes embodiments of the present invention in detail.
As shown in fig. 1, the improved structure of the manual wheel of the electric valve actuator comprises an actuator hand wheel 10, an actuator housing 20, a reduction gear set 30 and a worm 40, wherein the interior of the actuator housing 20 comprises a variable speed assembly cavity 21, the worm 40 is assembled in the containing cavity 22, the actuator shell 20 is provided with a shaft hole 23, the shaft hole 23 is located right above the worm assembling cavity 22, the shaft hole 23 is communicated with the variable speed assembling cavity 21 through the worm assembling cavity 22, the worm 40 and the reduction gear set 30 are respectively installed in the worm assembling cavity 22 and the variable speed assembling cavity 21, the actuator hand wheel 10 comprises a hand wheel shaft 11 and a hand wheel gear 12, the worm 40 comprises a driven wheel 41, the reduction gear set 30 comprises a first reduction transmission wheel 31, the hand wheel shaft 11 penetrates through the shaft hole 23 to be connected with the hand wheel gear 12, the hand wheel gear 12 is meshed with the driven wheel 41 through the first reduction transmission wheel 31, and the rotating speed of the hand wheel gear 12.
When manual operation is required to be performed on the electric valve actuator, a hand of the actuator rotates the hand wheel 10, the hand wheel gear 12 is driven to rotate by rotating the hand wheel shaft 11, and the hand wheel gear drives the driven wheel 41 of the worm 40 to rotate in a speed reduction manner through the first speed reduction transmission wheel 31; according to the improved structure of the manual wheel of the electric valve actuator, the hand wheel gear 12 is additionally arranged at the front end of the hand wheel shaft 11 and is matched with the speed reduction transmission wheel of the speed reduction gear set 30, one-stage speed reduction is added, speed reduction is realized, manual operation is more labor-saving, and the situation that the valve cannot be rotated when the actuator hand wheel 10 is manually operated is avoided.
Preferably, the driven wheel 41 has a speed ratio of 1/5 with the hand wheel gear 12. Thus, the speed reduction of the hand wheel gear 12 to the driven wheel 41 is five times realized, and the manual operation of the actuator hand wheel 10 is more labor-saving.
The improved structure of the manual wheel of the electric valve actuator further comprises a hand wheel seat 50 and a spring 60, wherein the hand wheel seat 50 is installed on the outer side surface of the shaft hole 23, the hand wheel seat 50 is provided with a wheel seat hole 51, and a hand wheel shaft 11 sequentially penetrates through the wheel seat hole 51 and the shaft hole 23 to be connected with a hand wheel gear 12. The hand wheel seat 50 is arranged to support the rotation of the hand wheel 10 of the actuator, thereby facilitating the operation.
The actuator hand wheel 10 further comprises a hand wheel disc 13, a screw 14 and a handle 15, one end of the hand wheel shaft 11 is connected with the hand wheel disc 13, the other end of the hand wheel shaft 11 sequentially penetrates through a spring 60, a wheel seat hole 51 and a shaft hole 23 to be connected with a hand wheel gear 12, and two ends of the spring 60 are respectively connected with the hand wheel disc 13 and a hand wheel seat 50 in a propping manner. The hand wheel shaft 11 is connected with a hand wheel disc 13 through a screw 14. The hand wheel shaft 11 is connected with the hand wheel disc 13 through the screw 14, so that the assembly is convenient, and the cost is saved.
The handwheel disc 13 is circular, the handle 15 is connected with the peripheral edge of the handwheel disc 13, and the handle 15 and the handwheel shaft 11 are respectively positioned at two opposite sides of the handwheel disc 13. The handle 15 is arranged, so that the electric valve actuator is more convenient to operate when manual control is required to be performed on the electric valve actuator.
The hand wheel gear 12 is integrally arranged along the outer circumference of the lower end of the hand wheel shaft 11, a positioning groove 111 is formed in the end face of the lower end of the hand wheel shaft 11, the driven wheel 41 is provided with a first through hole, the worm 40 penetrates through the first through hole to be movably connected with the positioning groove 111 in a limiting mode, and the worm 40 is connected with the driven wheel 41 through the first through hole. The arrangement of the positioning groove 111 facilitates the positioning of the front end of the hand wheel shaft 11, facilitates the movable meshing connection of the hand wheel gear 12 and the first speed reduction transmission wheel 31, and facilitates the operation.
The first speed reduction transmission wheel 31 is a duplicate gear, the first speed reduction transmission wheel 31 comprises a first gear 311 and a second gear 312, the first gear 311 and the driven wheel 41 are larger than the second gear 312 and the hand wheel gear 12, the hand wheel gear 12 is meshed with the first gear 311, and the second gear 312 is meshed with the driven wheel 41. When the speed reducer is used, the rotation of the hand wheel gear 12 drives the first gear 311 to rotate, the first gear 311 drives the driven wheel 41 to rotate through the second gear 312, and the speed of the hand wheel gear 12 to the driven wheel 41 is reduced because the first gear 311 and the driven wheel 41 are larger than the second gear 312 and the hand wheel gear 12.
In another embodiment, the improved structure of the manual wheel of the electric valve actuator further comprises a driving motor 70, the interior of the actuator housing further comprises a motor assembly cavity, the motor assembly cavity is communicated with the variable speed assembly cavity 21, the driving motor 70 is provided with a driving wheel 71, and the driving motor 70 is meshed and connected with the reduction gear set 30 through the driving wheel 71. The drive motor 70 is provided to provide electrical drive power to the electrically operated valve actuator.
The reduction gear set 30 further comprises a second reduction transmission wheel 32, the second reduction transmission wheel 32 is a duplicate gear, the second reduction transmission wheel 32 comprises a third gear 321 and a fourth gear 322, the third gear 321 is larger than the fourth gear 322 and the driving wheel 71, the driving wheel 71 is meshed with the third gear 321, and the fourth gear 322 is meshed with the first gear 311. The driving motor 70 realizes the first-stage speed reduction through the second speed reduction transmission wheel 32 and then realizes the second-stage speed reduction through the first speed reduction transmission wheel 31.
The above are only specific embodiments of the present invention, and the protection scope of the present invention is not limited thereby; any replacement and improvement made on the basis of not violating the conception of the utility model belong to the protection scope of the utility model.
Claims (10)
1. An improved structure of a hand wheel of an electric valve actuator is characterized by comprising an actuator hand wheel, an actuator shell, a reduction gear set and a worm, the interior of the actuator shell comprises a variable speed assembly cavity and a worm assembly cavity, the actuator shell is provided with a shaft hole, the shaft hole is positioned right above the worm assembling cavity and is communicated with the variable speed assembling cavity through the worm assembling cavity, the worm and the reduction gear set are respectively arranged in the worm assembly cavity and the variable speed assembly cavity, the hand wheel of the actuator comprises a hand wheel shaft and a hand wheel gear, the worm comprises a driven wheel, the reduction gear set comprises a first reduction transmission wheel, the hand wheel shaft penetrates through the shaft hole to be connected with the hand wheel gear, the hand wheel gear is meshed with the driven wheel through the first speed reduction driving wheel, and the rotating speed of the hand wheel gear is larger than that of the driven wheel.
2. A hand operated wheel improvement for an electrically operated valve actuator as set forth in claim 1 wherein said driven wheel and said hand wheel gear have a speed ratio of 1/5.
3. An improved structure of a manual wheel of an electric valve actuator as claimed in claim 1, further comprising a hand wheel seat, wherein the hand wheel seat is installed on the outer side surface of the shaft hole, the hand wheel seat is provided with a wheel seat hole, and the hand wheel shaft sequentially penetrates through the wheel seat hole and the shaft hole to be connected with the hand wheel gear.
4. An improved structure of a manual wheel of an electric valve actuator as claimed in claim 3, further comprising a spring, wherein the actuator hand wheel further comprises a hand wheel disc, one end of the hand wheel shaft is connected with the hand wheel disc, the other end of the hand wheel shaft sequentially passes through the spring, a wheel seat hole and a shaft hole to be connected with the hand wheel gear, and two ends of the spring are respectively connected with the hand wheel disc and the hand wheel seat in a propping manner.
5. An improved manual wheel arrangement for an electrically operated valve actuator as set forth in claim 4 wherein said actuator hand wheel further includes a screw through which said hand wheel shaft is connected to said hand wheel disk.
6. An improved structure of a hand wheel of an electric valve actuator as claimed in claim 5, wherein the hand wheel of the actuator further comprises a handle, the hand wheel disc is circular, the handle is connected with the peripheral edge of the hand wheel disc, and the handle and the hand wheel shaft are respectively positioned at two opposite sides of the hand wheel disc.
7. An improved manual wheel structure of an electric valve actuator as claimed in any one of claims 1 to 6, wherein the hand wheel gear is integrally arranged along the outer circumference of the lower end of the hand wheel shaft, a positioning groove is arranged on the end surface of the lower end of the hand wheel shaft, the driven wheel is provided with a first through hole, the worm penetrates through the first through hole and is movably connected with the positioning groove in a limiting manner, and the worm is connected with the driven wheel through the first through hole.
8. An improved structure of a manual wheel of an electric valve actuator as claimed in claim 7, wherein the first speed reduction transmission wheel is a duplicate gear, the first speed reduction transmission wheel comprises a first gear and a second gear, the first gear and the driven wheel are larger than the second gear and a hand wheel gear, the hand wheel gear is meshed with the first gear, and the second gear is meshed with the driven wheel.
9. An improved structure of a manual wheel of an electric valve actuator as claimed in claim 8 to said electric valve actuator, further comprising a driving motor, wherein said actuator housing further comprises a motor assembling cavity therein, said motor assembling cavity is communicated with said variable speed assembling cavity, said driving motor has a driving wheel, and said driving motor is engaged with said reduction gear set through said driving wheel.
10. A manually actuated wheel improvement arrangement for an electrically operated valve actuator as claimed in claim 9 wherein said reduction gear assembly further includes a second reduction drive wheel, said second reduction drive wheel being a duplicate gear, said second reduction drive wheel including a third gear and a fourth gear, said third gear being larger than said fourth gear and a drive wheel, said drive wheel being in meshing engagement with said third gear, said fourth gear being in meshing engagement with said first gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921469175.1U CN210687176U (en) | 2019-09-04 | 2019-09-04 | Improved structure of manual wheel of electric valve actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921469175.1U CN210687176U (en) | 2019-09-04 | 2019-09-04 | Improved structure of manual wheel of electric valve actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210687176U true CN210687176U (en) | 2020-06-05 |
Family
ID=70892814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921469175.1U Active CN210687176U (en) | 2019-09-04 | 2019-09-04 | Improved structure of manual wheel of electric valve actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210687176U (en) |
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2019
- 2019-09-04 CN CN201921469175.1U patent/CN210687176U/en active Active
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