CN214699423U - Valve actuator - Google Patents

Abstract

The utility model provides a valve actuator relates to the valve field, including the switch executor of connecting the valve pipeline, its hand wheel and motor are on same axis, connect the left and right sides at the middle part casing, both can switch over the use and adjust the flow, link and worm at middle part casing front side are connected, the link sets up the turbine with worm shaft drive, the turbine drives the turbine shaft transmission that has the spacer, worm axle and motor and hand wheel hub connection, the butterfly spring is cup jointed to worm axle outside, the worm cover is cup jointed to the butterfly spring outside, lie in worm axle vertically direction meshing turbine, the turbine shaft is inside to run through, the well carousel has been cup jointed in the outside of turbine shaft. The problems that motor parameter setting is difficult to realize, indication of liquid flow is difficult to observe, and an actuator is used are solved.

Description

Valve actuator

Technical Field

The utility model relates to a valve structure especially relates to the valve actuator that can conveniently drive and look over the registration.

Background

The existing valve actuator is driven by a motor, but when the motor is damaged, the operation is stopped, and the efficiency is seriously influenced. In addition, the parameter setting of the motor is difficult to realize, the indication of the liquid flow is difficult to observe, and the use of the actuator is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome exist among the prior art not enough, provide a valve actuator.

The utility model discloses a realize through following technical scheme: the switch actuator is connected with a valve pipeline, a hand wheel and a motor of the switch actuator are arranged on the same axis and connected to the left side and the right side of a middle shell, the hand wheel and the motor can be switched to be used for adjusting the flow, a connecting end on the front side of the middle shell is connected with a worm, a turbine wheel in transmission with a worm shaft is arranged at the connecting end, the turbine wheel drives a turbine shaft with a spacer bush to transmit, the turbine shaft is connected with a valve, a number indicating disc with a window cover is further arranged for observing the running states of a pressure dial plate and the like, a connecting terminal is arranged on the upper portion of the middle shell and used for connecting a circuit for controlling the motor to be started, and a transmission component of the worm wheel and the worm is arranged inside the middle shell. The worm shaft is connected with the motor and the hand wheel shaft, a butterfly spring is sleeved outside the worm shaft, a worm sleeve is sleeved outside the butterfly spring, the worm shaft is meshed with the turbine in the direction vertical to the worm shaft, the turbine shaft penetrates through the inside of the turbine, and the middle rotating disc is sleeved on the outer side of the turbine shaft.

Furthermore, the inlet of a connecting terminal is arranged right above the worm, and the number of the connecting terminals is two.

Further, the housing outside the turbine shaft forms a cylindrical flange.

Drawings

Fig. 1 shows an internal three-dimensional diagram according to an embodiment of the invention.

Fig. 2 shows a schematic front view structure according to an embodiment of the present invention.

Fig. 3 shows a schematic top view of a connector according to the present invention.

In the figure: 1. a turbine shaft; 2. a spacer sleeve; 3. a turbine; 4. a worm sleeve; 5. a worm shaft; 6. a worm shaft gland; 7. receiving a plate; 8. a hand wheel cover; 9. a window cover; 10. a hand wheel; 11. a motor; 12. A connecting end; 13. a middle housing; 14. a connection terminal; b1, disc spring; b2, a middle rotating shaft; b3, a middle turntable; b4, ball bearings; b5, a crank.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments. The front, rear, left, and right in the drawings correspond to the upper, lower, left, and right orientations in the drawing three, respectively. The up-down orientation is relative to the first drawing, and corresponds to the up-down orientation in the second drawing.

As shown in the figure, the valve actuator of the present invention is a switch actuator for connecting valve pipelines, and the hand wheel 10 and the motor 11 are on the same axis, and both can be switched to use as required. The connecting end 12 is arranged on the front side of the middle shell 13 and connected with the worm, the connecting end 12 is provided with a turbine 3 which is driven by the worm shaft 5, the turbine 3 drives a turbine shaft 1 with a spacer bush 2 for transmission, the turbine shaft 1 is connected with a valve, the rear side of the middle shell 13 is provided with a window cover 9 for observing the running states of a pressure dial plate and the like, and the upper part of the middle shell 13 is provided with a connecting terminal for connecting a circuit for controlling the opening of the motor 11. The inside of the middle housing 13 has a transmission member of a worm gear.

The window cover 9 can be connected to a far end through a line, the far end can be in a working room and a place far away from the operating room, working states of all valve actuators can be conveniently observed by workers in a centralized mode, and unified management is achieved.

In the internal structure of the worm gear, a worm shaft 5 is connected with a motor 11 and a hand wheel 10 through a shaft, a belleville spring is sleeved outside the worm shaft 5, a worm sleeve 4 is sleeved outside the belleville spring, the worm shaft 5 is meshed with a turbine 3 in the vertical direction, and the turbine shaft 1 penetrates through the inside of the turbine 3. Further, an intermediate turntable B3 is fitted around the turbine shaft 1.

The inlet of the connecting terminal is arranged right above the worm, and the number of the connecting terminals is two.

The housing below the turbine shaft 1 forms a cylindrical flange 7, which flange 7 is used for connecting the valve.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of 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 (3)

1. A valve actuator is characterized in that the valve actuator is connected with a switch actuator of a valve pipeline, a hand wheel (10) and a motor (11) of the valve actuator are on the same axis and connected to the left side and the right side of a middle shell (13), and the hand wheel and the motor can be switched to use as required; the connecting end (12) is arranged on the front side of the middle shell (13) and connected with the worm, the connecting end (12) is provided with a turbine (3) which is driven by the worm shaft (5), the turbine (3) drives a turbine shaft (1) with a spacer bush (2) to drive, and the turbine shaft (1) is connected with the valve; the numerical control pressure gauge is also provided with a number indicating disc with a window cover (9) for observing the running states of a pressure gauge disc and the like, the upper part of the middle shell (13) is provided with a connecting terminal for connecting a circuit for controlling the opening of the motor (11), and the inside of the middle shell (13) is provided with a transmission member of a worm gear; the worm shaft (5) is connected with a shaft of the motor (11) and the hand wheel (10), a butterfly spring is sleeved outside the worm shaft (5), a worm sleeve (4) is sleeved outside the butterfly spring, the worm shaft (5) is meshed with the turbine (3) in the direction vertical to the worm shaft, the turbine (3) penetrates through the turbine shaft (1), and the outer side of the turbine shaft (1) is sleeved with the middle rotating disc (B3).

2. A valve actuator as claimed in claim 1 wherein directly above the worm is the inlet of two terminals.

3. Valve actuator according to claim 1, characterized in that the housing of the lower part of the turbine shaft (1) forms a cylindrical flange (7).

Images