CN218267534U - Manual and pneumatic integrated shifting fork type actuator - Google Patents
Manual and pneumatic integrated shifting fork type actuator Download PDFInfo
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- CN218267534U CN218267534U CN202222352823.3U CN202222352823U CN218267534U CN 218267534 U CN218267534 U CN 218267534U CN 202222352823 U CN202222352823 U CN 202222352823U CN 218267534 U CN218267534 U CN 218267534U
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Abstract
The utility model relates to a manual pneumatic integrative shifting fork formula executor. The problem that after the existing manual pneumatic shifting fork type actuator is switched, the movable seat needs to be fixed by screws, and the switching is inconvenient is mainly solved. The method is characterized in that: install first gyration seat (9) and second gyration seat (10) on casing (1), worm (4) eccentric mounting is between first gyration seat (9) and second gyration seat (10), all install spring location steel ball (11) on first gyration seat (9) and second gyration seat (10). The utility model discloses set up first gyration seat and second gyration seat, worm eccentric mounting rotates first gyration seat and second gyration seat simultaneously during the switching between first gyration seat and second gyration seat, can make the worm break away from the worm-gear teeth, and first gyration seat and second gyration seat pass through the position after spring location steel ball automatic positioning locking switches, switch swiftly, have simple structure, switch convenient characteristics.
Description
Technical Field
The utility model relates to an executor that control flap opened or closed, concretely relates to manual pneumatic integrative shifting fork formula executor.
Background
The pneumatic actuator is a pneumatic actuator for controlling the opening and closing of a valve, and the principle of the pneumatic actuator is that the linear motion of a piston rod of an air cylinder is converted into the rotary motion of a valve rod on the valve, so that the opening or closing of the valve is controlled by the action of the air cylinder. The existing manual and pneumatic shifting fork type actuator comprises a shell, an air cylinder, a shifting fork, a worm wheel, a worm and a hand wheel, wherein the air cylinder is installed on one side of the shell, a piston rod of the air cylinder penetrates through the shell, the worm wheel and the worm are installed in the shell, the extending end of the worm is provided with the hand wheel, one end of the worm wheel is provided with fan-shaped worm wheel teeth, the other end of the worm wheel is provided with the shifting fork, a central hole of the worm wheel is connected with a valve rod on a valve through a spline, a pin shaft is arranged on the piston rod of the air cylinder, and the pin shaft is located in a fork opening of the shifting fork. Because the worm wheel and the worm are reversely self-locked, namely the worm can be driven when rotating, and the worm wheel cannot rotate when reversing, the worm wheel and the worm need to be separated when the valve is used, and the valve is controlled to be opened or closed by the air cylinder. When the hand wheel is used for operation, the worm is meshed with the worm wheel, and the hand wheel is rotated to control the valve to be opened or closed. At present, a movable seat capable of moving up and down relative to a shell is arranged below the shell, a worm is installed on the movable seat, two side walls of the shell are provided with strip-shaped holes, two ends of the worm are located in the strip-shaped holes, the worm can move downwards along with the movable seat when the movable seat moves downwards, then the worm is separated from a worm wheel, the movable seat is required to be fixed by a screw after the position of the worm is switched, and the switching is inconvenient.
SUMMERY OF THE UTILITY MODEL
Need fix with screw for the sliding seat after switching in order to solve current manual pneumatics shift fork executor, switch inconvenient problem, the utility model provides a manual pneumatics integrative shift fork executor, this manual pneumatics integrative shift fork executor has set up first revolving bed and second revolving bed, install the spring location steel ball on first revolving bed and the second revolving bed, worm eccentric mounting is between first revolving bed and second revolving bed, rotate first revolving bed and second revolving bed simultaneously during the switching, can make the worm break away from the worm teeth of a cogwheel, position after first revolving bed and second revolving bed pass through spring location steel ball automatic positioning locking and switch, it is swift to switch, has simple structure, switches convenient characteristics.
The technical scheme of the utility model is that: a manual and pneumatic integrated shifting fork type actuator comprises a shell and an air cylinder, wherein the air cylinder is installed on one side of the shell, a worm wheel and a worm are installed in the shell, fan-shaped worm gear teeth are arranged at one end of the worm wheel, a shifting fork is arranged at the other end of the worm wheel, a piston rod of the air cylinder is provided with a pin shaft, the pin shaft is located in a fork opening of the shifting fork, the worm wheel is connected with a valve rod on a valve, a first rotary seat and a second rotary seat are installed on the shell, the first rotary seat and the second rotary seat are coaxial and can rotate synchronously, the worm is eccentrically installed between the first rotary seat and the second rotary seat, one end of the worm penetrates out of the second rotary seat, and the eccentric distance of the worm is not less than 1/2 of the height of the worm gear teeth; spring positioning steel balls are mounted on the first rotary seat and the second rotary seat, positioning grooves are formed in the side walls, corresponding to the first rotary seat and the second rotary seat, of the shell, and the positioning grooves are located on the rotary tracks of the spring positioning steel balls; the first revolving bed and the second revolving bed are rotated to enable the worm to have two working positions: the first is the position where the worm is meshed with the fan-shaped worm gear on the worm wheel 3, and the second is the position where the worm is completely separated from the fan-shaped worm gear on the worm wheel.
And the side walls of the first rotary seat and the second rotary seat are provided with corresponding jacks.
And the eccentricity between the worm and the first rotary seat and the second rotary seat is equal to the height of the worm gear teeth.
And a hand wheel is arranged at the extending end of the worm.
The positioning groove is arc-shaped and is matched with the spring positioning steel ball.
The depth of the positioning groove is one third of the diameter of the spring positioning steel ball.
The utility model discloses following beneficial effect has: by adopting the technical scheme, the first rotary seat and the second rotary seat are arranged, the spring positioning steel balls are arranged on the first rotary seat and the second rotary seat, the worm is eccentrically arranged between the first rotary seat and the second rotary seat, the first rotary seat and the second rotary seat are simultaneously rotated during switching, the worm can be separated from the teeth of the worm, the first rotary seat and the second rotary seat are automatically positioned and locked at the switched positions through the spring positioning steel balls, the switching is rapid, and the worm gear switching device has the characteristics of simple structure and convenience in switching.
Drawings
Fig. 1 is a structural sectional view of the present invention.
Fig. 2 is a structural sectional view of the worm wheel 3 of the present invention.
Fig. 3 is a schematic structural diagram of the positioning groove 12 of the present invention.
Fig. 4 is an enlarged view at a in fig. 1.
Fig. 5 is a schematic structural diagram of the middle insertion hole 13 of the present invention.
Fig. 6 is a schematic structural diagram of the handle 15 of the present invention.
In the figure, 1-shell, 2-cylinder, 3-worm wheel, 4-worm, 5-worm wheel tooth, 6-shifting fork, 7-pin shaft, 8-valve rod, 9-first rotary seat, 10-second rotary seat, 11-spring positioning steel ball, 12-positioning groove, 13-jack, 14-hand wheel and 15-handle.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
as shown in fig. 1 to 6, a manual and pneumatic integrated shifting fork type actuator comprises a housing 1 and an air cylinder 2, wherein the air cylinder 2 is installed on one side of the housing 1, a worm wheel 3 and a worm 4 are installed in the housing 1, fan-shaped worm wheel teeth 5 are arranged at one end of the worm wheel 3, a shifting fork 6 is arranged at the other end of the worm wheel 3, a piston rod of the air cylinder 2 is provided with a pin shaft 7, the pin shaft 7 is located in a fork opening of the shifting fork 6, the worm wheel 3 is connected with a valve rod 8 on a valve, the housing 1 is provided with a first rotary seat 9 and a second rotary seat 10, the first rotary seat 9 and the second rotary seat 10 are coaxial and can synchronously rotate, the worm 4 is eccentrically installed between the first rotary seat 9 and the second rotary seat 10, one end of the worm 4 penetrates out of the second rotary seat 10, and the eccentricity of the worm 4 is not less than 1/2 of the height of the worm wheel teeth 5; spring positioning steel balls 11 are mounted on the first rotary seat 9 and the second rotary seat 10, positioning grooves 12 are formed in the side walls, corresponding to the first rotary seat 9 and the second rotary seat 10, of the shell 1, and the positioning grooves 12 are located on the rotary tracks of the spring positioning steel balls 11; turning the first 9 and second 10 seats causes the worm 4 to assume two operating positions: the first is the position where the worm 4 is meshed with the fan-shaped worm gear teeth 5 on the worm wheel 3, and the second is the position where the worm 4 is completely separated from the fan-shaped worm gear teeth 5 on the worm wheel 3. Due to the adoption of the technical scheme, when the valve is driven manually, the worm 4 and the fan-shaped worm gear 5 are in a meshed state, at the moment, the worm 4 is rotated to enable the worm wheel 3 to rotate, so that the valve rod 8 on the valve is rotated, and the valve can be controlled manually; when pneumatic driving is required to be switched, the first rotary seat 9 and the second rotary seat 10 are rotated simultaneously, due to the fact that the worm 4 is arranged eccentrically, the worm 4 and the fan-shaped worm gear teeth 5 are completely separated after the first rotary seat 9 and the second rotary seat 10 rotate for a certain angle, a piston rod of the air cylinder 2 pushes the worm wheel 3 to rotate through the pin shaft 7 and the shifting fork 6, and then the valve rod 8 on the valve is rotated, and the pneumatic control valve is achieved. The utility model discloses set up first gyration seat 9 and second gyration seat 10, install spring location steel ball 11 on first gyration seat 9 and the second gyration seat 10, 4 eccentric mountings of worm are between first gyration seat 9 and second gyration seat 10, rotate first gyration seat 9 and second gyration seat 10 simultaneously during the switching, can make worm 4 break away from the worm-gear teeth 5, first gyration seat 9 and second gyration seat 10 pass through the position after 11 automatic positioning locks of spring location steel ball switch over, the switching is swift, and has simple structure, switch convenient characteristics.
And the side walls of the first rotary seat 9 and the second rotary seat 10 are provided with corresponding jacks 13. A U-shaped inserted rod type switching handle 15 is adopted, two inserted rods on the handle 15 are simultaneously inserted into the insertion holes 13 on the first rotary seat 9 and the second rotary seat 10, and manual and pneumatic switching can be realized by moving the handle 15 and simultaneously rotating the first rotary seat 9 and the second rotary seat 10.
The eccentricity between the worm 4 and the first and second seats 9, 10 is equal to the height of the worm teeth 5. The above structure can ensure the worm 4 to be completely separated from the worm gear teeth 5.
The extending end of the worm 4 is provided with a hand wheel 14. When the valve is manually controlled, the hand wheel 14 is rotated, so that the operation is convenient and labor-saving.
The positioning groove 12 is arc-shaped and is matched with the spring positioning steel ball 11. The spring positioning steel balls 11 are accurately positioned.
The depth of the positioning groove 12 is one third of the diameter of the spring positioning steel ball 11. The clamping distance of the spring positioning steel balls 11 is small, and labor is saved when the first rotary seat 9 and the second rotary seat 10 are rotated.
Claims (6)
1. The utility model provides a manual pneumatic integrative shifting fork formula executor, includes casing (1) and cylinder (2), and one side in casing (1) is installed in cylinder (2), install worm wheel (3) and worm (4) in casing (1), the one end of worm wheel (3) is equipped with fan-shaped worm-gear teeth (5), and the other end of worm wheel (3) is equipped with shift fork (6), is equipped with round pin axle (7) on the piston rod of cylinder (2), and round pin axle (7) are located the fork mouth of shift fork (6), valve rod (8) on worm wheel (3) and the valve are connected, its characterized in that: a first rotary seat (9) and a second rotary seat (10) are mounted on the shell (1), the first rotary seat (9) and the second rotary seat (10) are coaxial and can synchronously rotate, the worm (4) is eccentrically mounted between the first rotary seat (9) and the second rotary seat (10), one end of the worm (4) penetrates through the second rotary seat (10), and the eccentric distance of the worm (4) is not less than 1/2 of the height of the worm gear teeth (5); spring positioning steel balls (11) are mounted on the first rotary seat (9) and the second rotary seat (10), positioning grooves (12) are formed in the side walls, corresponding to the first rotary seat (9) and the second rotary seat (10), of the shell (1), and the positioning grooves (12) are located on the rotary track of the spring positioning steel balls (11); the worm (4) has two working positions by rotating the first rotary seat (9) and the second rotary seat (10): the first is the position where the worm (4) is meshed with the fan-shaped worm gear teeth (5) on the worm wheel (3), and the second is the position where the worm (4) is completely separated from the fan-shaped worm gear teeth (5) on the worm wheel (3).
2. The integrated manual-pneumatic fork actuator as claimed in claim 1, wherein: and corresponding jacks (13) are arranged on the side walls of the first rotary seat (9) and the second rotary seat (10).
3. The integrated manual-pneumatic fork actuator of claim 1, wherein: the eccentricity between the worm (4) and the first rotary seat (9) and the second rotary seat (10) is equal to the height of the worm gear teeth (5).
4. Manual-pneumatic integrated fork-lifting actuator according to claim 1, 2 or 3, characterized in that: and a hand wheel (14) is installed at the extending end of the worm (4).
5. The integrated manual-pneumatic fork actuator of claim 1, 2 or 3, wherein: the positioning groove (12) is arc-shaped and is matched with the spring positioning steel ball (11).
6. The integrated manual-pneumatic fork actuator of claim 5, wherein: the depth of the positioning groove (12) is one third of the diameter of the spring positioning steel ball (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222352823.3U CN218267534U (en) | 2022-09-05 | 2022-09-05 | Manual and pneumatic integrated shifting fork type actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222352823.3U CN218267534U (en) | 2022-09-05 | 2022-09-05 | Manual and pneumatic integrated shifting fork type actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218267534U true CN218267534U (en) | 2023-01-10 |
Family
ID=84710848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222352823.3U Active CN218267534U (en) | 2022-09-05 | 2022-09-05 | Manual and pneumatic integrated shifting fork type actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218267534U (en) |
-
2022
- 2022-09-05 CN CN202222352823.3U patent/CN218267534U/en active Active
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