CN215806648U

CN215806648U - Electro-pneumatic valve positioner with protection function

Info

Publication number: CN215806648U
Application number: CN202122356379.8U
Authority: CN
Inventors: 张群立
Original assignee: Suzhou Kangqitong Automation Technology Co ltd
Current assignee: Suzhou Kangqitong Automation Technology Co ltd
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2022-02-11
Anticipated expiration: 2031-09-28

Abstract

The utility model discloses an electric valve positioner with a protection function, which comprises a valve positioner main body and a shell, wherein the valve positioner main body is positioned at the side end of the shell and fixedly connected with the shell, a fixed cover is arranged at the top end of the valve positioner main body, a fastening block and a fixed shell are fixed at the side end of the valve positioner main body, absorbent cotton is hinged at the top end inside the valve positioner main body, a part is fixed at the bottom end inside the valve positioner main body, the fastening block is fixed at the side end of the fixed cover, and a shell cover is fixed at the top end of the shell. Through the design of cotton and the net that absorbs water, avoid humid environment for the damage that the internal component of electric valve locator caused, extension electric valve locator life, articulated between telescopic link and the spring is connected and the telescopic link and the structural design that runs through between the net that absorbs water, through the pulling force of telescopic link, alleviates the vibration and the noise that produce in the use, improves the device practicality.

Description

Electro-pneumatic valve positioner with protection function

Technical Field

The utility model relates to the technical field of valves, in particular to an electric valve positioner with a protection function.

Background

The valve positioner, divide pneumatic valve positioner, electricity-pneumatic valve positioner and intelligent valve positioner according to the structure, it is the main annex of governing valve, use with pneumatic control valve commonly, in the field of to each product widely used, it receives the output signal of regulator, then go to control pneumatic control valve with its output signal, after the governing valve action, the displacement of valve rod is again fed back to the valve positioner through mechanical device, the valve position situation passes to the upper system through the signal of telecommunication, the valve positioner can increase the output power of governing valve, reduce the condition emergence of the transmission lag of regulation signal, accelerate the removal speed of valve rod, can improve the linearity of valve, overcome the frictional force of valve rod and eliminate the influence of unbalanced force, thereby guarantee the correct positioning of governing valve.

However, for the electric valve positioner device at present, a plurality of problems still exist in the installation and use processes:

1. the traditional electric valve positioner device is simple in structure, and because the electric valve positioner comprises internal elements, when the electric valve positioner is in a humid environment, the internal elements of the electric valve positioner are easily damaged to a certain extent, so that the service life of the electric valve positioner is shortened;

2. traditional electric valve positioner device, the design is single, and the function is simple, uses or removes the in-process, can produce certain vibration and noise, also can cause the influence to electric valve positioner internal component moreover, uses to get up and has certain limitation.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the electric valve positioner with the protection function, and solves the problems that the traditional electric valve positioner device is simple in structure, the electric valve positioner comprises internal elements, when the electric valve positioner is in a humid environment, the internal elements of the electric valve positioner are easily damaged to a certain degree, the service life of the electric valve positioner is shortened, the design is single, the function is simple, certain vibration and noise can be generated in the using or moving process, the internal elements of the electric valve positioner can be influenced, and the use has certain limitations.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides an electric valve locator with safeguard function, includes valve locator main part and casing, valve locator main part is located casing side and casing fixed connection, valve locator main part top is equipped with fixed lid, valve locator main part side is fixed with fastening block and set casing, the inside top of valve locator main part articulates there is the cotton that absorbs water, the inside bottom mounting of valve locator main part has spare part, the fixed lid side is fixed with the fastening block, the casing top is fixed with the cap, the inside bottom mounting of casing has the net and the stationary blade that absorbs water, the stationary blade bottom mounting has the telescopic link, the telescopic link side articulates there is reset spring.

Preferably, the inner wall of the shell is fixed with fixing piles, and the fixing piles are the same in size and are positioned at four corners of the inner wall of the shell.

Preferably, the top end of the fixing pile is provided with a fixing bolt and a threaded hole, and the fixing bolt is consistent with the embedded structure of the threaded hole and corresponds to the threaded hole in position.

Preferably, the telescopic rods are the same in size and located at four corners inside the shell, and the telescopic rods penetrate through the water absorption net.

Preferably, the fixed cover corresponds to the valve positioner main body in position, and the fastening blocks are the same in size and are located at four corners of the side end of the valve positioner main body.

Preferably, the valve positioner main body, the fixed shell and the shell are of an integrated structure.

(III) advantageous effects

1. The design of the water absorption cotton and the water absorption net can prevent the electric valve positioner from being in a wet environment, reduce the damage to internal elements of the electric valve positioner caused by the wet environment and prolong the service life of the electric valve positioner;

2. articulated connected mode between telescopic link and the spring and telescopic link and the through structural design between the net that absorbs water carry out under waterproof effect to the inside components and parts of electric valve locator, can alleviate the vibration and the noise that produce in the use through the pulling force of telescopic link, improve the device practicality.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of the housing structure of the present invention;

fig. 4 is a schematic view of the internal structure of the housing according to the present invention.

In the figure, 1-a valve positioner main body, 2-a fixed shell, 3-a fixed cover, 4-a fastening block, 5-a shell, 6-a shell cover, 7-a fixed groove, 8-absorbent cotton, 9-a part, 10-a fixed pile, 11-a fixed bolt, 12-a fixed sheet, 13-an absorbent net, 14-a threaded hole, 15-a telescopic rod and 16-a reset spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, an embodiment of the present invention provides a technical solution: the utility model provides an electric valve locator with safeguard function, includes valve locator main part 1 and casing 5, valve locator main part 1 is located 5 sides of casing and 5 fixed connection of casing, 1 top of valve locator main part is equipped with fixed cover 3, 1 side of valve locator main part is fixed with fastening block 4 and set casing 2, 1 inside top of valve locator main part articulates there is the cotton 8 that absorbs water, 1 inside bottom mounting of valve locator main part has spare

part

9, 3 sides of fixed cover are fixed with fastening block 4, 5 tops of casing are fixed with

cap

6, 5 inside bottom mountings of casing have net 13 and stationary blade 12 that absorb water, the stationary blade 12 bottom mounting has

telescopic link

15, 15 sides of telescopic link articulate has reset spring 16.

The inner wall of the shell 5 is fixed with fixing piles 10, and the fixing piles 10 are the same in size and are positioned at four corners of the inner wall of the shell 5. The same size spud 10 provides stability and integrity to the device.

The top end of the fixing pile 10 is provided with a fixing bolt 11 and a threaded hole 14, and the fixing bolt 11 is consistent with the embedded structure of the threaded hole 14 and corresponds to the position. Through the gomphosis structure between fixing bolt 11 and the screw hole 14, guaranteed the uniformity and the correspondence of structure, realize the fixed of casing 5 and cap 6, the practicality is strong.

The telescopic rods 15 are the same in size and located at four corners inside the shell 5, and the telescopic rods 15 penetrate through the water absorption net 13. Through the penetrating structure between the telescopic rod 15 and the water absorption net 13, the waterproof and limiting shock absorption of parts in the shell 5 are realized, and the device is ensured to be kept stable.

The fixed cover 3 corresponds to the valve positioner main body 1 in position, and the fastening blocks 4 are the same in size and are positioned at four corners of the side end of the valve positioner main body 1. Through carrying on spacing fixedly to the fastening block 4, realize device overall stability, effectively prevent that the skew from appearing in fixed lid 3.

The valve positioner main body 1, the fixed shell 2 and the shell 5 are of an integrated structure. Through the integrated structure between valve locator main part 1, set casing 2 and casing 5, can effectively improve device shock attenuation effect, improve the device wholeness.

The working principle is as follows: use this electric valve locator with safeguard function, the cotton 8 that will absorb water is placed the inside top of fixed cover 3, with 3 gomphosis of fixed cover to 1 top of valve locator main part, fixed cover 3 corresponds with 4 positions of the anchorage block of 1 side of valve locator main part, the realization carries out dampproofing and waterproofing to the spare part 9 of 1 inside of valve locator main part, with the screw hole 14 on the spud pile 10 top of fixing bolt 11 gomphosis to 5 inner walls of casing, run through the net 13 that absorbs water with telescopic link 15, the realization carries out dampproofing and waterproofing to the spare part 9 of 5 insides of casing, simultaneously through telescopic link 15, the pulling force of reset spring 16 and stationary blade can play the effect of shock attenuation noise reduction.

The utility model relates to a valve positioner, which comprises a valve positioner main body 1, a fixing shell 2, a fixing cover 3, a fastening block 4, a shell 5, a shell cover 6, a fixing groove 7, absorbent cotton 8, parts 9, fixing piles 10, fixing bolts 11, fixing pieces 12, a water absorbing net 13, threaded holes 14, a telescopic rod 15 and a return spring 16, wherein the parts are all universal standard parts or parts known by technicians in the field, and the structure and the principle of the parts can be known by technical manuals or conventional experimental methods. The electric valve positioner has the advantages that through the design of the water absorption cotton and the water absorption net, the electric valve positioner can be prevented from being in a wet environment, the damage to internal elements of the electric valve positioner caused by the wet environment is reduced, the service life of the electric valve positioner is prolonged, the hinged connection mode between the telescopic rod and the spring and the through structure design between the telescopic rod and the water absorption net are realized, under the waterproof effect on internal elements of the electric valve positioner, the pulling force of the telescopic rod can be used for reducing the vibration and the noise generated in the using process, and the practicability of the device is improved.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an electric valve positioner with safeguard function which characterized in that: comprises a valve positioner main body (1) and a shell (5), wherein the valve positioner main body (1) is positioned at the side end of the shell (5) and is fixedly connected with the shell (5), a fixed cover (3) is arranged at the top end of the valve positioner main body (1), a fastening block (4) and a fixed shell (2) are fixed at the side end of the valve positioner main body (1), the top end in the valve positioner main body (1) is hinged with a water absorption cotton (8), a component (9) is fixed at the bottom end in the valve positioner main body (1), a fastening block (4) is fixed at the side end of the fixed cover (3), a shell cover (6) is fixed at the top end of the shell (5), a water absorption net (13) and a fixing sheet (12) are fixed at the bottom end inside the shell (5), the bottom end of the fixing piece (12) is fixed with a telescopic rod (15), and the side end of the telescopic rod (15) is hinged with a return spring (16).

2. The electro-pneumatic valve positioner having a protective function according to claim 1, wherein: casing (5) inner wall is fixed with spud pile (10), spud pile (10) size is the same, is located casing (5) inner wall four corners department.

3. The electro-pneumatic valve positioner having a protective function according to claim 2, wherein: the top end of the fixing pile (10) is provided with a fixing bolt (11) and a threaded hole (14), the fixing bolt (11) is consistent with the embedded structure of the threaded hole (14), and the positions of the fixing bolt and the threaded hole correspond to each other.

4. The electro-pneumatic valve positioner having a protective function according to claim 1, wherein: the size of the telescopic rods (15) is the same, the telescopic rods are located at four corners inside the shell (5), and the telescopic rods (15) penetrate through the water absorption net (13).

5. The electro-pneumatic valve positioner having a protective function according to claim 1, wherein: the fixed cover (3) corresponds to the valve positioner main body (1) in position, and the fastening blocks (4) are the same in size and are located at four corners of the side end of the valve positioner main body (1).

6. The electro-pneumatic valve positioner having a protective function according to claim 1, wherein: the valve positioner main body (1), the fixed shell (2) and the shell (5) are of an integrated structure.