CN220749196U - Efficient and stable valve electric actuator - Google Patents

Abstract

The utility model discloses a high-efficiency stable valve electric actuator, which relates to the technical field of electric actuators and comprises a valve body, wherein a valve core is arranged in the center of the inside of the valve body, screw holes are formed in the two sides of the top of the valve body, a connecting rod is arranged in the screw holes, external threads are scored below the outside of the connecting rod, a fixing plate is sleeved above the outside of the connecting rod, a guide hole is formed in the fixing plate, a limiting plate is arranged at the top end of the fixing plate, and a second spring is connected between the limiting plate and the fixing plate. According to the utility model, the limiting plate is supported by the second spring, the fixing plate and the valve body can relatively displace, the bottomless cylinder is not greatly influenced when the valve body vibrates, the electric push rod can be buffered by the first spring and the buffer plate, the electric push rod is prevented from shaking along with the change of medium pressure in the valve body, and the connection is efficient and stable.

Description

Efficient and stable valve electric actuator

Technical Field

The utility model relates to the technical field of electric actuators, in particular to a high-efficiency stable valve electric actuator.

Background

An electric actuator is a driving device capable of providing linear or rotary motion, which utilizes a certain driving energy source and works under the action of a certain control signal, an actuating mechanism uses liquid, gas, electric power or other energy sources and converts the liquid, gas, electric power or other energy sources into driving action through a motor, a cylinder or other devices, the basic types of the electric actuator are three driving modes of partial revolution, multiple revolution and straight stroke, and the electric actuator is commonly used for controlling the opening and closing of a valve.

After the existing electric actuator is installed, the electric actuator and the valve body are basically fixed together, when the medium inside the valve body shakes due to pressure change, the electric actuator can be driven to shake, and the driving structure of the electric actuator is not connected with high efficiency and stability.

Disclosure of Invention

The utility model aims to provide a high-efficiency stable valve electric actuator, which solves the problems in the background technology.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

an efficient and stable valve electric actuator comprising:

the valve body, the case is installed to the inside central authorities of valve body, and the screw has been seted up to the top both sides of valve body, the internally mounted of screw has the connecting rod, and the outside below of connecting rod has scored the external screw thread, the fixed plate has been cup jointed to the outside top of connecting rod, and the guiding hole has been seted up to the inside of fixed plate, the limiting plate is installed on the top of fixed plate, and is connected with the second spring between limiting plate and the fixed plate, the external connection of fixed plate has no end section of thick bamboo, and installs first spring above the inside of no end section of thick bamboo, the bottom of first spring is connected with the buffer board, and electric putter is installed to the bottom central authorities of buffer board.

Preferably, the diameter of the connecting rod is smaller than the inner diameter of the guide hole, and the connecting rod and the valve body form a detachable structure through external threads and screw holes.

Preferably, an elastic structure is formed between the limiting plate and the fixed plate through a second spring, and the fixed plate is electrically connected with the bottomless cylinder.

Preferably, a lifting structure is formed between the valve core and the buffer plate through an electric push rod, and the vertical central axis of the electric push rod is coincided with the vertical central axis of the bottomless cylinder.

Preferably, an elastic structure is formed between the buffer plate and the bottomless cylinder through a first spring, and the outer wall of the buffer plate is attached to the inner wall of the bottomless cylinder.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:

1. according to the utility model, the limiting plate is supported by the second spring, the fixing plate and the valve body can relatively displace, the bottomless cylinder is not greatly influenced when the valve body vibrates, the electric push rod can be buffered by the first spring and the buffer plate, the electric push rod is prevented from shaking along with the change of medium pressure in the valve body, and the connection is efficient and stable.

Drawings

FIG. 1 is a schematic view of a partial three-dimensional structure in the present utility model;

FIG. 2 is a schematic view of a partial internal structure of the present utility model;

fig. 3 is a schematic top view of a part of a bottomless cartridge according to the present utility model.

Legend description:

1. a bottomless cylinder; 2. a limiting plate; 3. a connecting rod; 4. a fixing plate; 5. an external thread; 6. a valve body; 7. a valve core; 8. an electric push rod; 9. a first spring; 10. a buffer plate; 11. a second spring; 12. a screw hole; 13. and a guide hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, an efficient and stable valve electric actuator comprises a valve body 6, wherein a valve core 7 is arranged in the center of the inside of the valve body 6, screw holes 12 are formed in two sides of the top of the valve body 6, a connecting rod 3 is arranged in the screw holes 12, external threads 5 are engraved below the outside of the connecting rod 3, the diameter of the connecting rod 3 is smaller than the inner diameter of a guide hole 13, a detachable structure is formed between the connecting rod 3 and the valve body 6 through the external threads 5 and the screw holes 12, the guide hole 13 can be used for guiding the connecting rod 3, the connecting rod 3 can move up and down in the fixing plate 4, and the connecting rod 3 is connected with the valve body 6 through threads, so that the installation and the detachment are facilitated;

the upper part of the outer part of the connecting rod 3 is sleeved with a fixed plate 4, the inner part of the fixed plate 4 is provided with a guide hole 13, the top end of the fixed plate 4 is provided with a limiting plate 2, a second spring 11 is connected between the limiting plate 2 and the fixed plate 4, an elastic structure is formed between the limiting plate 2 and the fixed plate 4 through the second spring 11, the fixed plate 4 is electrically welded with the bottomless cylinder 1, the limiting plate 2 and the fixed plate 4 are connected together through the second spring 11, the second spring 11 can play a supporting role on the limiting plate 2, relative displacement can occur between the fixed plate 4 and the valve body 6, and the electrically welded connection ensures the tightness of the connection between the fixed plate 4 and the bottomless cylinder 1;

the outside of fixed plate 4 has no end section of thick bamboo 1, and no end section of thick bamboo 1's inside top is installed first spring 9, the bottom of first spring 9 is connected with buffer board 10, and electric putter 8 is installed to the bottom central authorities of buffer board 10, constitute elevation structure through electric putter 8 between case 7 and the buffer board 10, and electric putter 8's vertical central axis coincides with no end section of thick bamboo 1's vertical central axis, can drive case 7 through electric putter 8 and reciprocate, thereby can realize opening and shutting of valve body 6, constitute elastic structure through first spring 9 between buffer board 10 and the no end section of thick bamboo 1, and the outer wall of buffer board 10 is laminated with the inner wall of no end section of thick bamboo 1 mutually, be in the same place buffer board 10 and no end section of thick bamboo 1 through first spring 9, first spring 9 can play the effect of supporting and buffering to buffer board 10, when the inner wall of no end section of thick bamboo 1 reciprocates, have certain damping when the laminating of buffer board 10, elasticity of cooperation first spring 9 can play fine buffering effect to electric putter 8.

Working principle: the bottom of connecting rod 3 screw in screw 12 can be together fixed connecting rod 3 and valve body 6 to can be with fixed plate 4 and bottomless section of thick bamboo 1 installation, can play the effect of supporting limiting plate 2 through second spring 11, can take place relative displacement between fixed plate 4 and the valve body 6, when guaranteeing that vibration appears in the inside of valve body 6, can not lead to the fact too big influence to bottomless section of thick bamboo 1, and can play the effect of supporting and buffering buffer plate 10 through first spring 9, buffer plate 10 laminating has certain damping when the inner wall of bottomless section of thick bamboo 1 reciprocates, elasticity cooperation first spring 9 can play fine cushioning effect to electric putter 8, can not take place the shake along with the inside medium pressure variation of valve body 6, make whole high-efficient stable (what needs to be explained, electric putter 8, the specification of case 7 and the concrete model of valve body 6 need be confirmed according to the actual specification etc. of the device, concrete selection type calculation method adopts this prior art, so not to detail details, and power supply and its principle are not explained in detail in this field, the technical principle is not clear to the detail here.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (5)

1. An efficient and stable valve electric actuator, comprising:

valve body (6), case (7) are installed at the inside central authorities of valve body (6), and screw (12) have been seted up at the top both sides of valve body (6), internally mounted of screw (12) has connecting rod (3), and the outside below of connecting rod (3) is carved with external screw thread (5), fixed plate (4) have been cup jointed to the outside top of connecting rod (3), and guiding hole (13) have been seted up to the inside of fixed plate (4), limiting plate (2) are installed on the top of fixed plate (4), and are connected with second spring (11) between limiting plate (2) and fixed plate (4), the external connection of fixed plate (4) has or not a end section of thick bamboo (1), and does not have an inside top of end section of thick bamboo (1) to install first spring (9), the bottom of first spring (9) is connected with buffer board (10), and electric putter (8) are installed to the bottom central authorities of buffer board (10).

2. The efficient and stable valve electric actuator of claim 1, wherein: the diameter of the connecting rod (3) is smaller than the inner diameter of the guide hole (13), and a detachable structure is formed between the connecting rod (3) and the valve body (6) through the external thread (5) and the screw hole (12).

3. The efficient and stable valve electric actuator of claim 1, wherein: an elastic structure is formed between the limiting plate (2) and the fixed plate (4) through a second spring (11), and the fixed plate (4) is electrically welded with the bottomless cylinder (1).

4. The efficient and stable valve electric actuator of claim 1, wherein: the valve core (7) and the buffer plate (10) form a lifting structure through the electric push rod (8), and the vertical central axis of the electric push rod (8) coincides with the vertical central axis of the bottomless cylinder (1).

5. The efficient and stable valve electric actuator of claim 1, wherein: an elastic structure is formed between the buffer plate (10) and the bottomless cylinder (1) through a first spring (9), and the outer wall of the buffer plate (10) is attached to the inner wall of the bottomless cylinder (1).