CN221054401U - Output shaft position adjusting structure of valve electric device - Google Patents

Abstract

The application relates to the technical field of valve electric devices, in particular to a position adjusting structure of an output shaft of a valve electric device, which comprises a lifting plate arranged between an abutting part and a first bearing and a threaded rod rotationally connected below a cavity, wherein the lifting plate is connected with a connecting rod, a threaded hole is formed in the connecting rod, the threaded rod penetrates into the threaded hole to be in threaded connection with the connecting rod, a first bevel gear is arranged above the threaded rod, a second bevel gear is meshed with the first bevel gear, a wheel rod is fixedly connected with the second bevel gear, and the other end of the wheel rod penetrates through a shell, so that the advantage that the output shaft and an electric driving device can be perfectly matched is achieved.

Description

Output shaft position adjusting structure of valve electric device

Technical Field

The application relates to the technical field of valve electric devices, in particular to a position adjusting structure of an output shaft of a valve electric device.

Background

Valves are usually arranged in the process of transportation through pipelines, the opening and closing of the valves can control the flow of substances in the pipelines, and the opening and closing of the valves are usually controlled by using valve electric devices.

The valve electric device comprises a shell, an output shaft and an electric driving device, wherein the output shaft is placed inside the shell, a worm wheel is arranged on the output shaft, a worm is arranged on the electric driving device, and the output shaft and the electric driving device rotate through the worm wheel and the worm. When the valve electric device is used, the output shaft is connected with the valve, and the electric driving device drives the output shaft to rotate, so that the valve is controlled to be opened and closed.

Because casing and output shaft are separately set up, after placing the casing inside with the output shaft, probably can lead to the worm wheel on the output shaft to mesh incompletely with the worm owing to the uneven or wearing and tearing of production size, lead to electric drive can not drive the output shaft and rotate, can add the gasket in the output shaft below at this moment and adjust the position of output shaft generally, but gasket thickness is certain, and the fine meshing of messenger's worm wheel and worm that does not necessarily have.

Disclosure of utility model

The application provides a position adjusting structure of an output shaft of a valve electric device, which aims to realize complete engagement of a worm wheel and a worm of the output shaft.

The technical aim of the application is realized by the following technical scheme:

the utility model provides a valve electric actuator output shaft position adjustment structure, including setting up the lifting disk and rotating the threaded rod of connecting below the chamber between butt department and first bearing, the lifting disk is connected with the connecting rod, has seted up the screw hole on the connecting rod, threaded rod penetrates threaded hole and connecting rod threaded connection, and the threaded rod top is provided with first bevel gear, and first bevel gear sets up the meshing and has the second bevel gear, second bevel gear fixedly connected with wheel pole, and the wheel pole other end pierces through the casing.

Through adopting above-mentioned technical scheme, drive the second bevel gear through the rotation wheel pole and rotate, the first bevel gear of second bevel gear drive rotates to drive the threaded rod and rotate, drive the lift dish and reciprocate, thereby drive the output shaft and reciprocate, thereby adjust worm gear meshing.

Optionally, the lifting plate is annular, and the inner diameter of the lifting plate is the same as the inner diameter of the first bearing.

By adopting the technical scheme, the annular lifting disc can enable the stress of the output shaft to be more uniform, so that the lifting of the output shaft is more labor-saving, and the damage to the lifting disc is reduced.

Optionally, a reinforcement is provided above the threaded rod, and the threaded rod passes through the reinforcement and is rotationally connected with the reinforcement.

By adopting the technical scheme, the reinforcing member is arranged to disperse the force born by the threaded rod, so that the threaded rod is prevented from being broken due to the fact that the force born by the threaded rod is concentrated at one point.

Optionally, the lifting plate deviates from threaded rod one side sliding connection and has the spring pole, and the spring pole is vertical to be fixed on the chamber below, and the cover is equipped with the spring on the spring pole, and spring one end is connected with the lifting plate, and the other end is connected below with the chamber.

Through adopting above-mentioned technical scheme, the spring can share the force that lifts the board and receive, avoids lifting the board the force and all is born by the connecting rod, causes the fracture easily when the connecting rod is in unsettled state, and the spring is with lifting the force transmission that the board bore to the casing.

Optionally, the first bevel gear and the second bevel gear have a gear ratio of 10:1.

Through adopting above-mentioned technical scheme, because the ratio of second bevel gear and first bevel gear is 1:10, the rotation angle that the rotation wheel pole drove the threaded rod is less, can make the lifting disk drive the output shaft and carry out more tiny removal, makes worm wheel and worm aligned more accurate.

Optionally, a knob is fixedly arranged at one end of the wheel rod penetrating out of the shell.

Through adopting above-mentioned technical scheme, drive the wheel pole through rotatory knob and rotate, rotate the knob more laborsaving to it is easier to make the regulation.

Optionally, a second bearing is arranged at the position where the wheel rod penetrates out of the shell.

Through adopting above-mentioned technical scheme, make wheel pole and casing rotate through setting up the second bearing and be connected, reduce the friction of wheel pole and casing, make the rotation of wheel pole easier and reduce the harm of casing and wheel pole.

Optionally, the first bearing, the second bearing and the lifting plate are all coated with lubricating oil.

By adopting the technical scheme, the friction force at each relative motion position is reduced by smearing the lubricating oil, and the damage to each part caused by the friction generated by equal displacement of each part is reduced.

In summary, the application has the following technical effects:

the output shaft is driven to move up and down by rotating the threaded rod so as to align the worm wheel and the worm;

friction is reduced by smearing lubricating oil at the relative displacement position, so that the rotation of the output shaft is more labor-saving;

The wheel bar and the second wheel bar are more easily rotated by providing the knob and the second knob.

Drawings

FIG. 1 is an overall block diagram of the present application;

FIG. 2 is a partial block diagram of the threaded rod of the present application;

FIG. 3 is a partial block diagram of the spring rod of the present application.

In the figure, 1, a shell; 11. a first bearing; 12. a cavity; 121. below the cavity; 122. a cavity peripheral surface; 2. an output shaft; 21. a worm wheel; 22. a worm; 23. an abutting part; 3. a lifting plate; 31. a connecting rod; 4. a threaded rod; 41. a first bevel gear; 42. a reinforcement; 5. a wheel bar; 51. a second bevel gear; 52. a knob; 53. a second bearing; 6. a spring rod; 61. and (3) a spring.

Detailed Description

The present application will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for better understanding of the present application, a valve electric device is described briefly in the prior art, and includes a housing 1, an output shaft 2 and a motor, a cavity 12 is provided in the housing 1, a lower surface of the cavity 12 is a cavity bottom 121, a side surface of the cavity is a cavity peripheral surface 122, the output shaft 2 is vertically inserted into the cavity 12, one end of the output shaft 2 extends out of the housing 1, a first bearing 11 is provided at a contact position between the bottom end of the output shaft 2 and the housing 1, an abutting position 23 is provided at a connection position between the output shaft 2 and the upper side of the first bearing 11, a worm wheel 21 is provided on the output shaft 2, a worm 22 is meshed with the worm wheel 21, one end of the worm 22 is rotationally connected with the housing 1, and the other end is connected with the motor.

Referring to fig. 1 and 2, a valve electric actuator output shaft position adjustment structure includes lifting plate 3 and threaded rod 4, lifting plate 3 is the ring, lifting plate 3 cover is established on output shaft 2, and lifting plate 3 sets up between butt department 23 and first bearing 11, lifting plate 3 edge fixedly connected with connecting rod 31, lifting plate 3 is connected with connecting rod 31 one end, threaded hole and with threaded rod 4 threaded connection are seted up to the other end of connecting rod 31, threaded rod 4 vertically sets up 121 below the chamber, threaded rod 4 is connected with casing 1 rotation, be connected with the reinforcement 42 that is used for fixed threaded rod 4 in the upper end of threaded rod 4, reinforcement 42 is the plate of seting up the through-hole, threaded rod 4 passes the through-hole and rotates with reinforcement 42 to be connected. When the position of the output shaft 2 needs to be adjusted, the threaded rod 4 can be rotated, so that the connecting rod 31 is driven to move up and down along the threaded rod 4, the lifting plate 3 is driven to move up and down by the output shaft 2, and the position of the output shaft 2 is adjusted by meshing the worm wheel 21 and the worm 22.

One end of the threaded rod 4 is connected with the reinforcing member 42, a first bevel gear 41 is fixedly arranged at the end of the threaded rod 4, a second bevel gear 51 is meshed with the first bevel gear 41, the gear ratio of the first bevel gear 41 to the second bevel gear 51 is 10:1, a wheel rod 5 is fixedly connected to the shaft of the second bevel gear 51, the other end of the wheel rod 5 penetrates through the shell 1 to the outer side of the shell 1, a knob 52 is fixedly arranged at the outer end of the wheel rod 5, a second bearing 53 is arranged at the position of the wheel rod 5 penetrating through the shell 1, and the wheel rod 5 is rotatably connected with the shell 1 through the second bearing 53. The rotary knob 52 can be used for driving the threaded rod 4 to rotate, so that the operation of operators is facilitated, the gear ratio of the first bevel gear 41 to the second bevel gear 51 is 10:1, the second gear 10 is rotated to drive the first gear to rotate for 1 turn, the rotary knob 52 is more convenient, and meanwhile, the rotary knob 52 drives the first gear to rotate at a smaller angle, so that the operators can finely adjust the position of the output shaft 2, and the worm gear 21 and the worm 22 are meshed conveniently.

Referring to fig. 3, a spring rod 6 is slidably connected to one side of the lifting plate 3 far away from the threaded rod 4, the lifting plate 3 is sleeved on the spring rod 6, the spring rod 6 is fixedly connected to the lower end of the spring rod 6 below the shell 1, the spring rod 6 is vertically arranged, a spring 61 is sleeved on the spring rod 6, two ends of the spring 61 are respectively connected to the lower end of the shell 1 and the lifting plate, and the spring 61 is always in a compressed state. The spring 61 can share the force born by the lifting plate, so that the force born by the lifting plate is prevented from being borne by the connecting rod 31, the connecting rod 31 is easy to break when in a suspended state, and the spring 61 transmits the force born by the lifting plate to the shell 1. Lubricating oil is coated on the first bearing 11, the second bearing 53 and the lifting plate, so that friction at the relative movement position is reduced, and the relative movement of the positions is easier.

The specific implementation principle of the application is as follows: when the valve electric device is assembled, the lower shell plate is fixed on the shell 1, then the output shaft 2 penetrates into the first bearing 11 through the lifting plate, then the knob 52 is rotated to enable the worm wheel 21 on the output shaft 2 to be meshed with the worm 22 in the power structure, so that the worm wheel 21 and the worm 22 are perfectly matched, then the output shaft 2 penetrates through the upper shell plate, then the upper shell plate is fixed on the shell 1 through bolts, then one end of the output shaft 2 penetrating out of the upper shell plate is inserted into the valve, and then the motor drives the output shaft 2 to rotate, so that the opening and closing of the valve are controlled. Compared with the existing valve electric device, the valve electric device replaces a gasket through an adjusting structure, so that the position of the output shaft 2 is more flexible and accurate, and the worm gear 21 and the worm 22 are meshed more perfectly.

Claims (8)

1. The utility model provides a valve electric actuator output shaft position adjustment structure which characterized in that: including setting up lifting disk (3) and rotation connection between butt department (23) and first bearing (11) threaded rod (4) below the chamber (121), lifting disk (3) are connected with connecting rod (31), set up the screw hole on connecting rod (31), threaded rod (4) penetrate threaded hole and connecting rod (31) threaded connection, threaded rod (4) top is provided with first bevel gear (41), first bevel gear (41) are provided with the meshing and are provided with second bevel gear (51), second bevel gear (51) fixedly connected with wheel pole (5), wheel pole (5) other end pierces through casing (1).

2. The valve electric device output shaft position adjustment structure according to claim 1, characterized in that: the lifting disc (3) is annular, and the inner diameter of the lifting disc (3) is the same as that of the first bearing (11).

3. The valve electric device output shaft position adjustment structure according to claim 1, characterized in that: a reinforcing member (42) is arranged above the threaded rod (4), and the threaded rod (4) penetrates through the reinforcing member (42) and is connected with the reinforcing member (42) in a rotating mode.

4. The valve electric device output shaft position adjustment structure according to claim 1, characterized in that: the lifting plate (3) is connected with a spring rod (6) in a sliding manner on one side deviating from the threaded rod (4), the spring rod (6) is vertically fixed on the lower surface (121) of the cavity, a spring (61) is sleeved on the spring rod (6), one end of the spring (61) is connected with the lifting plate (3), and the other end of the spring is connected with the lower surface (121) of the cavity.

5. The valve electric device output shaft position adjustment structure according to claim 1, characterized in that: the gear ratio of the first bevel gear (41) to the second bevel gear (51) is 10:1.

6. The valve electric actuator output shaft position adjustment structure of claim 5, wherein: one end of the wheel rod (5) penetrating out of the shell (1) is fixedly provided with a knob (52).

7. The valve electric actuator output shaft position adjustment structure of claim 5, wherein: the wheel rod (5) penetrates out of the shell (1) and is provided with a second bearing (53).

8. The valve electric device output shaft position adjustment structure according to claim 7, characterized in that: the first bearing (11), the second bearing (53) and the lifting disk (3) are coated with lubricating oil.