CN213871324U

CN213871324U - Electric actuator for adjusting valve

Info

Publication number: CN213871324U
Application number: CN202022722095.1U
Authority: CN
Inventors: 郭刚
Original assignee: Jiangsu Weigude Fluid Control Equipment Co ltd
Current assignee: Jiangsu Weigude Fluid Control Equipment Co ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-08-03
Anticipated expiration: 2030-11-23

Abstract

The utility model belongs to the technical field of electric actuators, and discloses an electric actuator for an adjusting valve, which comprises a shell, a base is arranged below the shell in the horizontal direction and fixedly connected with the bottom of the shell, a rotary table is arranged at the middle position above the shell, a rotary handle is fixedly connected at the upper position of one side of the rotary table body in the vertical direction, the outside one side position of casing is provided with the switch, the utility model discloses set up bevel gear structure, bevel gear can make the threaded rod take place to rotate under the work of motor drives and drive the slide and set up and take place the ascending translation motion of vertical side in the dog of slide bottom, can block up the inside route of valve when the dog moves down, and the dog shifts up then can resume the route, has realized comparatively stable and timely control to the inside state that opens and shuts of valve, has improved electric actuator's work efficiency.

Description

Electric actuator for adjusting valve

Technical Field

The utility model belongs to the technical field of electric actuator, concretely relates to electric actuator for governing valve.

Background

An electric actuator is a drive device providing linear or rotary motion, which uses some kind of driving energy and works under the action of some kind of control signal, an actuating mechanism uses liquid, gas, electric power or other energy to convert it into driving action through a motor, a cylinder or other devices, and a valve electric actuator is a machine using electric energy as a main source for driving a valve.

Most of the existing electric actuators adopt pneumatic driving elements, the opening and closing of a passage inside a valve cannot be adjusted timely and efficiently, the cost is high, the debugging and the maintenance are also complex, and corresponding structures are not arranged to enhance the sealing performance between the electric actuators and the valve body.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric actuator for governing valve to solve current electric actuator and can not comparatively in time and efficient carry out the problem of the control of the state of opening and shutting to the inside route of valve, the not enough problem of leakproofness of being connected with the valve and do not set up corresponding spare equipment's problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an electric actuator for governing valve, includes the casing, the below position horizontal direction of casing is provided with the base, base fixed connection is in the bottom of casing, the top intermediate position of casing is provided with the carousel, the vertical direction fixedly connected with in disk body one side top position of carousel changes the handle, outside one side position of casing is provided with the switch.

Preferably, the outside of one side that the switch was kept away from to the casing is provided with the motor casing, the one end fixed connection of motor casing is in one side inner wall of casing, the inside fixed mounting of motor casing has the motor, the output of motor is connected with the pivot.

Preferably, one end of the rotating shaft, which is far away from the motor, is fixedly connected with a bevel gear, one end of the bevel gear, which is far away from the rotating shaft, is engaged with a large gear, a connecting shaft is connected to the position above the large gear in the vertical direction, and one end of the connecting shaft, which is far away from the large gear, is connected with a bearing.

Preferably, the vertical direction in below position of gear wheel is connected with the threaded rod, threaded rod body outside threaded connection has the slide, the bottom fixedly connected with dog of slide.

Preferably, the bottom of the base is fixedly connected with a valve cover, a fixing device is arranged on one side of the top of the valve cover and comprises a screw, and the top of the screw is fixedly connected with a head.

Preferably, the below position of valve gap is provided with the valve, be provided with the sealing washer between valve and the valve gap, the inside horizontal direction of valve is provided with the passageway, the one end of passageway is provided with first flange, the one end that first flange was kept away from to the passageway is provided with the second flange.

Compared with the prior art, the utility model, following beneficial effect has:

(1) the utility model discloses set up bevel gear structure, bevel gear can make the threaded rod take place to rotate under the work of motor and drive the slide and set up and take place the up-right side translation motion in the dog of slide bottom, can block up the inside access way of valve when the dog moves down, and the dog shifts up then can resume the access way, has realized comparatively stable and timely control to the inside state that opens and shuts of valve, has improved electric actuator's work efficiency.

(2) The utility model discloses set up fixing device and sealing washer, utilized fixing device to carry out fixed connection with valve gap and valve body well, and the junction is provided with the sealing washer, guaranteed the whole sealing performance of valve, avoided the emergence of seepage phenomenon in the course of the work to the operating mass with rated load of electric actuator when the closed route of control flap has been improved.

(3) The utility model discloses set up reserve carousel, when the motor breaks down or need overhaul the during operation, thereby utilize reserve carousel to drive the gear wheel and rotate and still can drive the dog through the slide and shift up and move down the work of opening and shutting of motion control flap inner channel, improved electric actuator's performance.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is an external view of the valve of the present invention;

fig. 3 is a top view of the turntable of the present invention;

in the figure: 1. a housing; 2. a base; 3. a turntable; 4. turning a handle; 5. a motor; 50. a motor housing; 51. a rotating shaft; 6. a bevel gear; 7. a bull gear; 8. a connecting shaft; 9. a bearing; 10. a threaded rod; 11. a slide base; 12. a stopper; 13. a valve cover; 14. a fixing device; 140. a head portion; 141. a screw; 15. a valve; 150. a channel; 151. a first flange; 152. a second flange; 16. a seal ring; 17. and (4) switching.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides an electric actuator for governing valve, which comprises a housin 1, the below position horizontal direction of casing 1 is provided with base 2, 2 fixed connection in the bottom of casing 1 of base, electric actuator's casing 1 takes place fixed connection through base 2 and valve gap 13, the top intermediate position of casing 1 is provided with carousel 3, the vertical direction fixedly connected with in disk body one side top position of carousel 3 changes 4, thereby utilize to change 4 can relatively easily rotate carousel 3 and rotate the work that gear wheel 7 carries out the manual control valve through the inside connecting axle of casing 1, can use carousel 3 when motor 5 unexpected trouble appears, main drive work still relies on motor 5 to play a role at ordinary times, outside one side position of casing 1 is provided with switch 17, switch 17 and motor 5 electric connection, the positive reverse work of control motor 5.

Further, one side outside that switch 17 was kept away from to casing 1 is provided with motor casing 50, and motor casing 50's outside is provided with waterproof coating, prevents that steam and water stain from producing harmful effects to inside motor 5, and motor casing 50's one end fixed connection has motor 5 in one side inner wall of casing 1, and motor casing 50's inside fixed mounting has motor 5, and motor 5's model is Y80M1-2, and motor 5's output is connected with pivot 51, and pivot 51 takes place rotatoryly under motor 5's effect.

Furthermore, one end of the rotating shaft 51, which is far away from the motor 5, is fixedly connected with a bevel gear 6, the bevel gear 6 is a driving gear, one end of the bevel gear 6, which is far away from the rotating shaft 51, is engaged with a large gear 7, the large gear 7 is a driven gear, pressure angles of the two gears are the same, the vertical direction of the upper position of the large gear 7 is connected with a connecting shaft 8, one end of the connecting shaft 8, which is far away from the large gear 7, is connected with a bearing 9, and the bearing 9 is fixedly connected with the inner wall of the top of the shell 1 through a bearing seat.

Specifically, the vertical direction in below position of gear wheel 7 is connected with threaded rod 10, and threaded rod 10 body of rod outside threaded connection has slide 11, the bottom fixedly connected with dog 12 of slide 11, thereby threaded rod 10 can take place to rotate along with gear wheel 7's rotation and drive slide 11 and carry out the ascending translation motion of vertical side, and corresponding slide 11 can drive dog 12 and carry out the work of opening and shutting to the inside passageway 150 of valve 15.

It is worth to say that the bottom of the base 2 is fixedly connected with the valve cover 13, a fixing device 14 is arranged on one side of the top of the valve cover 13, the fixing device 14 comprises a screw rod 141, threads are arranged outside the screw rod 141, threaded holes are formed in the upper positions inside the valve cover 13 and the valve 15, and are in tight threaded connection with the screw rod 141, a head 140 is fixedly connected to the top of the screw rod 141, and the head 140 is in a hexagonal shape and rotates through a hexagonal wrench.

Further, a valve 15 is arranged below the valve cover 13, a sealing ring 16 is arranged between the valve 15 and the valve cover 13, the sealing ring 16 and the fixing device 14 work cooperatively to ensure the sealing work between the valve cover 13 and the valve 15, the sealing quality between the electric actuator and the valve 15 is further ensured, a channel 150 is arranged in the horizontal direction inside the valve 15, a first flange 151 is arranged at one end of the channel 150, a second flange 152 is arranged at one end, far away from the first flange 151, of the channel 150, and the valve 15 can be fixedly connected with an external pipeline through the first flange 151 and the second flange 152.

The utility model discloses a theory of operation and use flow: when the utility model is used, an operator firstly starts the electric actuator to drive the valve by pressing the switch 17 positioned outside the casing of the electric actuator, the motor 5 arranged inside the motor casing 50 correspondingly starts to work, under the work of the motor 5, the rotating shaft 51 rotates to drive the bevel gear 6 arranged inside the casing 1 to rotate, the big gear 7 meshed and connected with the bevel gear 6 rotates under the drive of the bevel gear 6, and then the threaded rod 10 fixedly connected to the bottom of the big gear 7 rotates, the slide 11 in threaded fit with the threaded rod 10 moves downwards along the threaded rod 10 under the condition that the threaded rod 10 rotates to drive the bottom stop block 12 to move downwards so as to block the channel 150 inside the valve 15, the closing work of the channel of the valve 15 is completed, when the closed channel needs to be opened, the motor 5 rotates reversely to make the large gear 7 rotate reversely, and then the slide base 11 drives the stop block 12 to move upwards by utilizing the reverse rotation of the threaded rod 10, so that the path inside the valve 15 can be recovered by deviating from the channel 150, and the fixing device 14 and the sealing ring 16 arranged between the valve cover 13 and the valve 15 correspondingly enhance the sealing performance between the electric actuator and the valve 15.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An electric actuator for adjusting a valve, comprising a shell (1), characterized in that: the lower position horizontal direction of casing (1) is provided with base (2), base (2) fixed connection is in the bottom of casing (1), the top intermediate position of casing (1) is provided with carousel (3), the vertical direction fixedly connected with in disk body one side top position of carousel (3) changes handle (4), outside one side position of casing (1) is provided with switch (17).

2. The electric actuator for an adjustable valve according to claim 1, wherein: the utility model discloses a switch (17) is kept away from in casing (1) one side outside is provided with motor casing (50), the one end fixed connection of motor casing (50) is in one side inner wall of casing (1), the inside fixed mounting of motor casing (50) has motor (5), the output of motor (5) is connected with pivot (51).

3. The electric actuator for an adjustable valve according to claim 2, wherein: one end fixedly connected with bevel gear (6) of motor (5) is kept away from in pivot (51), the one end meshing that pivot (51) were kept away from in bevel gear (6) is connected with gear wheel (7), the vertical direction in top position of gear wheel (7) is connected with connecting axle (8), the one end that gear wheel (7) were kept away from in connecting axle (8) is connected with bearing (9).

4. The electric actuator for an adjustable valve according to claim 3, wherein: the vertical direction in below position of gear wheel (7) is connected with threaded rod (10), threaded rod (10) body of rod outside threaded connection has slide (11), the bottom fixedly connected with dog (12) of slide (11).

5. The electric actuator for an adjustable valve according to claim 1, wherein: the bottom fixedly connected with valve gap (13) of base (2), top one side position of valve gap (13) is provided with fixing device (14), fixing device (14) include screw rod (141), the top fixedly connected with head (140) of screw rod (141).

6. The electric actuator for an adjusting valve according to claim 5, wherein: the lower position of valve gap (13) is provided with valve (15), be provided with between valve (15) and valve gap (13) sealing washer (16), the inside horizontal direction of valve (15) is provided with passageway (150), the one end of passageway (150) is provided with first flange (151), the one end that first flange (151) were kept away from in passageway (150) is provided with second flange (152).