CN210484751U

CN210484751U - Improved valve actuator

Info

Publication number: CN210484751U
Application number: CN201921370727.3U
Authority: CN
Inventors: 吴柏义
Original assignee: Jinhua Changfeng Automation Instrument Factory
Current assignee: Jinhua Changfeng Automation Instrument Factory
Priority date: 2019-08-22
Filing date: 2019-08-22
Publication date: 2020-05-08
Anticipated expiration: 2029-08-22

Abstract

The utility model discloses an improved generation valve actuator, its technical scheme main points are: the utility model provides an improved generation valve executor, which comprises a housin, the setting is at the inside drive arrangement of casing, the last fixedly connected with pivot of drive arrangement, the one end that drive arrangement was kept away from in the pivot is connected with the valve rod, the first bevel gear of fixedly connected with in the pivot, first bevel gear meshing has second bevel gear, the last fixedly connected with bull stick of second bevel gear, the one end of keeping away from second bevel gear on the bull stick is equipped with the recess, swing joint has the physiosis axle in the recess, the one end that second bevel gear was kept away from to the physiosis axle is connected with. The utility model discloses an improved generation valve actuator hand wheel takes place can not rotate when can realizing executor automatic operation, makes simple structure, reduce cost when guaranteeing safety.

Description

Improved valve actuator

Technical Field

The utility model relates to an executor, more specifically say, it relates to an improved generation valve executor.

Background

The structure that turbine and output shaft separation are all adopted in current valve electric actuator's manual and electronic switching, and manual wheel is directly established on the output shaft, and mechanical separation and reunion also sets up on the output shaft, and the output shaft realizes contact and the separation with the turbine through the mode of mechanical separation and reunion, and the electric actuator structure of this kind of structure is complicated, and whole weight is heavier, and the cost is higher, and in addition when electronic operating condition, manual wheel also can follow the rotation, has increased the potential safety hazard.

In order to solve the problems, the chinese patent with publication number CN106523765A discloses an automatic valve actuator, which comprises a screw rod, a driving device connected to one end of the screw rod for driving the screw rod to rotate, an electromagnetic clutch provided on the driving device, an automatic coupling seat with an automatic coupling projection fixedly connected to the other end of the screw rod, a connecting block provided below the automatic coupling seat, an automatic coupling groove matched with the automatic coupling projection provided on the connecting block, the connecting block connected to a housing through an elastic member, the connecting block connected to a valve rod of the valve; a manual coupling lug is arranged below the connecting block, a gear set is connected to the manual coupling lug, and a manual rotating handle is connected to the gear set; when the actuator is in an automatic mode, the automatic coupling lug is embedded into the automatic coupling groove of the connecting block, the connecting block is connected with the automatic coupling seat, and the valve rod is driven to rotate by the driving device; when in the manual mode, the manual coupling lug is attracted with the connecting block, and the valve rod is driven to rotate by rotating the manual rotating handle. The scheme adopts the mechanisms of the electromagnetic clutch, the automatic coupling seat and the like, and realizes that the manual rotating handle can not rotate under the automatic mode through electrifying, and has complex structure and high cost.

A new solution is therefore proposed to solve this problem.

SUMMERY OF THE UTILITY MODEL

To the adoption that prior art exists electromagnetic clutch, coupling device make the mechanism constitute complicated, with high costs not enough, the utility model aims to provide a hand wheel can not take place to rotate when can realizing executor automatic operation, makes a simplified structure, reduce cost's an improved generation valve executor when guaranteeing safety.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides an improved generation valve executor, includes the casing, sets up the drive arrangement inside the casing, fixedly connected with pivot on the drive arrangement, the one end that drive arrangement was kept away from in the pivot is connected with the valve rod, the first bevel gear of fixedly connected with in the pivot, first bevel gear meshing has second bevel gear, fixedly connected with bull stick on the second bevel gear, the one end of keeping away from second bevel gear on the bull stick is equipped with the recess, swing joint has the physiosis axle in the recess, the one end that second bevel gear was kept away from to the physiosis axle is connected with the hand wheel.

By adopting the technical scheme, the driving device is arranged in the shell, the rotating shaft is fixedly connected to the driving device, the valve rod is connected to one end, far away from the driving device, of the rotating shaft, and the driving device drives the rotating shaft to rotate to drive the valve rod to rotate so as to realize automatic opening and closing of the valve; the first bevel gear is fixedly connected to the rotating shaft, the second bevel gear is meshed with the first bevel gear, the rotating rod is fixedly connected to the second bevel gear, a groove is formed in one end, far away from the second bevel gear, of the rotating rod, an inflatable shaft is movably connected into the groove, and a hand wheel is connected to one end, far away from the second bevel gear, of the inflatable shaft; when the manual mode of the actuator is adopted, the inflatable shaft is inflated to enable the inflatable shaft to be tightly attached to the groove, and the rotating rod can be driven to rotate when the hand wheel is rotated, so that the valve rod is driven to move.

The utility model discloses further set up to: the bearing is fixedly connected in the groove, and the inner wall of the bearing is attached to one end, close to the second bevel gear, of the air expansion shaft.

By adopting the technical scheme, the bearing is fixedly connected in the groove, the inner wall of the bearing is attached to one end, close to the second bevel gear, of the air expansion shaft, so that the air expansion shaft can not rotate when the actuator automatically runs while being supported by one end, close to the second bevel gear, of the air expansion shaft.

The utility model discloses further set up to: the one end that the second bevel gear was kept away from to the physiosis axle is equipped with the screw thread, the physiosis axle passes through threaded connection with the hand wheel, be equipped with the keyway on physiosis axle, the hand wheel, be equipped with the mounting in the keyway.

By adopting the technical scheme, the thread is arranged at one end of the air expansion shaft away from the second bevel gear, the air expansion shaft is connected with the hand wheel through the thread, and the hand wheel is connected with the air expansion shaft through the thread, so that the hand wheel is more convenient to mount; corresponding key grooves are formed in the physiosis shaft and the hand wheel, and fixing pieces are arranged in the key grooves, so that the physiosis shaft and the hand wheel cannot rotate relatively, and the hand wheel cannot be separated from the physiosis shaft during reverse rotation.

The utility model discloses further set up to: the rotating rod is rotatably connected with a supporting seat, and the supporting seat is fixedly connected with the shell.

Through adopting above-mentioned technical scheme, it is connected with the supporting seat to rotate on the bull stick, and supporting seat and casing fixed connection make the bull stick obtain supporting, remain stable.

The utility model discloses further set up to: and an inflation inlet is arranged at one end of the inflatable shaft close to the hand wheel, and is exposed outside the shell.

Through adopting above-mentioned technical scheme, the inflation inlet that the epaxial one end that is close to the hand wheel of physiosis set up and inflation inlet expose put in the outside of casing, conveniently aerify, the gassing to the physiosis axle when switching between automatic and manual mode.

The utility model discloses further set up to: the driving device comprises a motor, wherein the output end of the motor is connected with a speed reducer, and the speed reducer is fixedly connected with the rotating shaft.

Through adopting above-mentioned technical scheme, drive arrangement includes motor, reduction gear, and the motor rotates, reduces the rotational speed of pivot under the effect of reduction gear.

The utility model discloses further set up to: the one end that the reduction gear was kept away from to the pivot is equipped with first fixing base, the one end that the valve rod is close to the pivot is equipped with the second fixing base, first fixing base passes through bolted connection with the second fixing base.

Through adopting above-mentioned technical scheme, the one end of keeping away from the reduction gear in the pivot is equipped with first fixing base, and the one end that is close to the pivot on the valve rod is equipped with the second fixing base, and pivot and valve rod pass through first fixing base, second fixing base bolted connection, make to connect more stable, and make things convenient for the dismouting.

The utility model discloses further set up to: the shell is provided with a waterproof cover.

Through adopting above-mentioned technical scheme, be equipped with the buckler on the casing, the buckler is in order to reduce the corruption injury of exposure to the sun and rain to the casing.

To sum up, the utility model discloses following beneficial effect has:

1. the scheme has automatic and manual modes, and the manual mode is separated from the automatic mode, and the manual handle cannot rotate along with the motor in the automatic mode, so that the use safety of the equipment is enhanced.

2. Through adopting the physiosis axle, simplify automatic and manual coupling mechanism, make structural design oversimplify, reduce manufacturing cost, make the operation simpler.

3. The mechanism runs more stably by arranging the supporting seat, the first fixing seat and the second fixing seat.

Drawings

Fig. 1 is a schematic diagram of an overall structure of an improved valve actuator of the present invention, for showing the positions and connection relationships of the structures;

fig. 2 is a sectional view of the rotary rod, the inflatable shaft and the hand wheel in fig. 1, which is used for showing the connection relationship of the rotary rod, the inflatable shaft and the hand wheel;

fig. 3 is a schematic structural diagram of the rotary rod, the inflatable shaft and the hand wheel in fig. 1, and is used for showing the connection relationship of the rotary rod, the inflatable shaft and the hand wheel.

In the figure: 1. a housing; 2. a speed reducer; 3. a waterproof cover; 4. a rotating shaft; 5. a second bevel gear; 6. a rotating rod; 7. a hand wheel; 8. an inflation inlet; 9. an inflatable shaft; 10. a supporting seat; 11. a valve stem; 12. a second fixed seat; 13. a first fixed seat; 14. a first bevel gear; 15. a motor; 16. a bearing; 17. a groove; 18. a thread; 19. and a fixing member.

Detailed Description

In order to make the technical solutions of the present invention better understood, the following detailed description of the present invention is provided with reference to the accompanying drawings and specific embodiments, and it should be noted that the embodiments and features of the embodiments of the present invention can be combined with each other without conflict.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to 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.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

An improved valve actuator is shown in fig. 1, 2 and 3, a shell 1 is provided with a waterproof cover 3, the waterproof cover 3 is used for reducing corrosion damage of the shell 1 caused by exposure to sunlight and rain, a motor 15 is arranged inside the shell 1, an output shaft of the motor 15 is connected with a speed reducer 2, the speed reducer 2 is fixedly connected with a rotating shaft 4, one end, far away from the speed reducer 2, of the rotating shaft 4 is provided with a first fixing seat 13, one end, close to the rotating shaft 4, of a valve rod 11 is provided with a second fixing seat 12, the rotating shaft 4 is in bolted connection with the valve rod 11 through the first fixing seat 13 and the second fixing seat 12, so that connection is more stable, and disassembly and assembly are convenient; when the actuator is in an automatic mode, the motor 15 rotates to rotate the rotating shaft 4, the rotating speed of the rotating shaft 4 is reduced under the action of the speed reducer 2, and the rotating shaft 4 drives the valve rod 11 to rotate, so that the valve is opened and closed.

A first bevel gear 14 is fixedly connected to the rotating shaft 4, the first bevel gear 14 is meshed with a second bevel gear 5, a rotating rod 6 is fixedly connected to the second bevel gear 5, a groove 17 is formed in one end, far away from the second bevel gear 5, of the rotating rod 6, a bearing 16 is fixedly connected to the inner portion of the groove 17, the inner wall of the bearing 16 is attached to one end, close to the second bevel gear 5, of the inflatable shaft 9, and the inflatable shaft 9 is enabled to be supported and meanwhile the actuator is enabled not to rotate in an automatic mode; a hand wheel 7 is connected to one end, far away from the second bevel gear 5, of the air expanding shaft 9 through threads 18, corresponding key grooves are formed in the air expanding shaft 9 and the hand wheel 7, and fixing pieces 19 are arranged in the key grooves, so that the air expanding shaft 9 and the hand wheel 7 cannot rotate relatively, and the hand wheel 7 cannot be separated from the air expanding shaft 9 during reverse rotation; an inflation inlet 8 is formed in one end, close to the hand wheel 7, of the inflation shaft 9, the inflation inlet 8 is exposed outside the shell 1, and therefore inflation and deflation of the inflation shaft 9 are facilitated when the automatic mode and the manual mode are switched; the rotating rod 6 is rotatably connected with a supporting seat 10, and the supporting seat 10 is fixedly connected with the shell 1, so that the rotating rod 6 is supported and kept stable.

When the actuator is in an automatic mode, the motor 15 drives the rotating shaft 4 to rotate under the action of the speed reducer 2, the rotating shaft 4 drives the valve rod 11 to rotate to realize opening and closing of the valve, and the air expansion shaft 9 cannot rotate at the moment, so that the hand wheel 7 cannot rotate to ensure safety; when the actuator is switched to a manual mode, the inflatable shaft 9 is inflated through the inflation inlet 8, so that the inflatable shaft 9 is expanded to be closely matched with the groove 17 of the rotating rod 6, the rotating rod 6 and the inflatable shaft 9 synchronously rotate, the hand wheel 7 is rotated, the inflatable shaft 9 drives the rotating rod 6 to rotate and drives the rotating shaft 4 to rotate, and the rotating shaft 4 drives the valve rod 11 to rotate to realize the opening and closing of the valve.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an improved generation valve actuator, includes casing (1), sets up the drive arrangement inside casing (1), fixedly connected with pivot (4) on the drive arrangement, the one end that drive arrangement was kept away from in pivot (4) is connected with valve rod (11), its characterized in that: the improved spinning mechanism is characterized in that a first bevel gear (14) is fixedly connected to the rotating shaft (4), a second bevel gear (5) is meshed to the first bevel gear (14), a rotating rod (6) is fixedly connected to the second bevel gear (5), a groove (17) is formed in one end, away from the second bevel gear (5), of the rotating rod (6), an air expansion shaft (9) is movably connected to the inner portion of the groove (17), and a hand wheel (7) is connected to one end, away from the second bevel gear (5), of the air expansion shaft (9).

2. An improved valve actuator as defined in claim 1 wherein: the bearing (16) is fixedly connected in the groove (17), and the inner wall of the bearing (16) is attached to one end, close to the second bevel gear (5), of the air expansion shaft (9).

3. An improved valve actuator as defined in claim 2 wherein: one end of the air inflation shaft (9) far away from the second bevel gear (5) is provided with a thread (18), the air inflation shaft (9) is connected with the hand wheel (7) through the thread (18), and fixing pieces (19) are arranged on the air inflation shaft (9) and the hand wheel (7) and in corresponding key grooves and key grooves.

4. An improved valve actuator as defined in claim 1 wherein: the rotating rod (6) is rotatably connected with a supporting seat (10), and the supporting seat (10) is fixedly connected with the shell (1).

5. An improved valve actuator as defined in claim 1 wherein: an inflation inlet (8) is formed in one end, close to the hand wheel (7), of the inflation shaft (9), and the inflation inlet (8) is exposed outside the shell (1).

6. An improved valve actuator as defined in claim 1 wherein: the driving device comprises a motor (15), a speed reducer (2) is connected to the output end of the motor (15), and the speed reducer (2) is fixedly connected with the rotating shaft (4).

7. An improved valve actuator as defined in claim 6 wherein: the one end that reduction gear (2) were kept away from in pivot (4) is equipped with first fixing base (13), the one end that valve rod (11) are close to pivot (4) is equipped with second fixing base (12), bolted connection is passed through with second fixing base (12) in first fixing base (13).

8. An improved valve actuator as defined in claim 1 wherein: the shell (1) is provided with a waterproof cover (3).