CN215568297U

CN215568297U - Electro-pneumatic valve positioner convenient to maintain

Info

Publication number: CN215568297U
Application number: CN202122264274.XU
Authority: CN
Inventors: 张群立
Original assignee: Suzhou Kangqitong Automation Technology Co ltd
Current assignee: Suzhou Kangqitong Automation Technology Co ltd
Priority date: 2021-09-17
Filing date: 2021-09-17
Publication date: 2022-01-18
Anticipated expiration: 2031-09-17

Abstract

The utility model discloses an electric valve positioner convenient to maintain, which comprises an adjusting valve, wherein a support is arranged in the middle of the adjusting valve, a valve positioner body is detachably mounted at the front end of the support, positioning columns are fixed at four corners of the back of the valve positioner body, positioning holes matched with the positioning columns in structure are arranged at the upper end and the lower end of each of two sides of the support, sleeves are fixed at two sides of the support, sponge rubber is arranged in the middle of each sleeve, sliding rods are arranged at the upper end and the lower end of each sponge rubber, the outer ends of the sliding rods extend to the outside of the sleeves, clamping blocks are fixed at one ends of the sliding rods, positioned outside the sleeves, clamping grooves matched with the clamping blocks in structure are arranged on the positioning columns, and annular pressing blocks are arranged at the upper end and the lower end of the outside of the sleeves. This electric valve locator convenient to maintain can be convenient carry out the dismouting on the governing valve, and the process of operation labour saving and time saving more, the staff of being convenient for maintains.

Description

Electro-pneumatic valve positioner convenient to maintain

Technical Field

The utility model relates to the technical field of an electric valve positioner, in particular to an electric valve positioner convenient to maintain.

Background

The electric valve positioner is one of the important accessories and fittings of the pneumatic regulating valve and plays a role in positioning the valve. The pneumatic control valve is matched with a pneumatic control valve to form a closed-loop control loop, a direct current signal given by a control system is converted into an air signal for driving the control valve, the action of the control valve is controlled, and meanwhile, feedback is carried out according to the opening degree of the control valve, so that the position of the valve can be correctly positioned according to a control signal output by the system.

Present electric valve locator is supporting with pneumatic control valve commonly, in order to ensure the continuous steady operation of production, in case valve locator breaks down the staff and need in time dismantle it from the governing valve and maintain, but current valve locator is mostly installed on the governing valve through a plurality of screws for the staff is very wasted time and energy to the process of its dismouting, brings certain inconvenience for maintenance work.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an electric valve positioner convenient to maintain, and aims to solve the problem that the conventional electric valve positioner in the background art is inconvenient to assemble and disassemble on a regulating valve when a fault occurs in the use process, and brings certain inconvenience to maintenance work.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an electric valve locator convenient to maintain, includes the governing valve, the middle part of governing valve is equipped with the support, the front end demountable installation of support has valve locator body, the four corners at valve locator body back all is fixed with the reference column, the upper and lower both ends of support both sides all are equipped with the locating hole identical with the reference column structure, the both sides of support all are fixed with the sleeve, the sleeve is located the position between the locating hole, just the inside centre of sleeve is equipped with sponge rubber, sponge rubber's upper and lower both ends all are equipped with the slide bar, the outer end of slide bar extends to telescopic outside, just the slide bar is located the outside one end of sleeve and is fixed with the fixture block, be equipped with the draw-in groove identical with the fixture block structure on the reference column, and the outside upper and lower both ends of sleeve all are equipped with annular briquetting.

Preferably, the two sides of the inner wall of the annular pressing block are fixedly connected with the sliding rod through connecting rods, and the upper end and the lower end of the two sides of the sleeve are provided with vertical openings matched with the connecting rod structures.

Preferably, the positioning columns correspond to the positioning holes in position one to one, and the length of each positioning column is larger than the depth of each positioning hole.

Preferably, the outer portion of the positioning column is sleeved with a rubber sleeve, and the thickness of the rubber sleeve is 0.1-0.2 cm.

Preferably, the clamping grooves on the positioning column correspond to the clamping blocks in direction, and the clamping grooves on the positioning column are located at the outer end of the positioning column.

Preferably, the sliding rod is connected with the sleeve in a sliding mode, and one end, located inside the sleeve, of the sliding rod is in abutting contact with the sponge rubber.

Compared with the prior art, the utility model has the beneficial effects that: this electric valve locator convenient to maintain can be convenient carry out the dismouting on the governing valve, and the process of operation labour saving and time saving more, the staff of being convenient for maintains. This electric valve locator convenient to maintain is through alternate the reference column in the locating hole respectively to make annular briquetting drive the slide bar slide the extrusion sponge rubber in telescopic inside and go into the draw-in groove on the reference column with the fixture block card, make the installation that the valve locator can be quick on the support, reverse sequence operation can dismantle the valve locator from the support simultaneously, and then make the valve locator can be quick carry out the dismouting on the governing valve, it is more convenient to make the staff maintain the valve locator.

Drawings

FIG. 1 is a schematic view of an electro-pneumatic valve positioner for ease of maintenance according to the present invention;

FIG. 2 is an enlarged schematic view of the electro-pneumatic valve positioner of FIG. 1 at A for ease of maintenance in accordance with the present invention;

FIG. 3 is a schematic view of the external configuration of a bushing of an electro-pneumatic valve positioner for ease of maintenance in accordance with the present invention;

FIG. 4 is a schematic diagram of a top view of a valve positioner body of an electrically actuated valve positioner for easy maintenance, in accordance with the present invention.

In the figure: 1. the adjustable valve comprises an adjusting valve, 2, a support, 3, a valve positioner body, 4, a positioning column, 5, a positioning hole, 6, a sleeve, 7, sponge rubber, 8, a sliding rod, 9, a clamping block, 10, an annular pressing block, 11, a connecting rod, 12 and a rubber sleeve.

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, the present invention provides a technical solution: an electric valve positioner convenient to maintain comprises a regulating valve 1, a support 2 is arranged in the middle of the regulating valve 1, a valve positioner body 3 is detachably mounted at the front end of the support 2, positioning columns 4 are fixed at four corners of the back of the valve positioner body 3, positioning holes 5 which are matched with the positioning columns 4 in structure are arranged at the upper end and the lower end of each of two sides of the support 2, sleeves 6 are fixed at two sides of the support 2 by welding, the sleeves 6 are positioned between the positioning holes 5, sponge rubber 7 is fixed in the middle of the inside of the sleeves 6, the sponge rubber 7 is a porous structure material with holes distributed over the whole material, and has the functions of shock resistance, impact mitigation and the like, slide bars 8 are arranged at the upper end and the lower end of each sponge rubber 7, the outer ends of the slide bars 8 extend to the outside of the sleeves 6, clamping blocks 9 are fixed at one ends of the slide bars 8 positioned outside the sleeves 6, clamping grooves matched with the clamping blocks 9 in structure are arranged on the positioning columns 4, and the upper and lower both ends of the exterior of the bush 6 have annular pressing blocks 10, the slide bar 8 is connected with bush 6 slidably, and one end that the slide bar 8 locates in the bush 6 is supported and pressed and contacted with the spongy rubber 7, when this structure needs to install the body 3 of the valve positioner on the support 2 and use with the modulating valve 1 in a supporting way, the body 3 of the valve positioner can be inserted in the inside of the locating hole 5 separately through the locating column 4, and the annular pressing block 10 can drive the slide bar 8 to slide and squeeze the spongy rubber 7 in the interior of the bush 6, the slide bar 8 can insert the fixture block 9 into the neck on the locating column 4 to carry on the spacing under the elastic action of the spongy rubber 7, thus make the body 3 of the valve positioner can be installed on the support 2 fast, meanwhile when needing to dismantle the body 3 of the valve positioner on the support 2, press the annular pressing block 10 to make the fixture block 9 break away from the neck on the locating column 4 in the same direction can, so that the valve positioner body 3 can be conveniently disassembled and assembled on the regulating valve 1, the operation process of a worker is more time-saving and labor-saving, the valve positioner body 3 is more conveniently maintained, two sides of the inner wall of the annular pressing block 10 are fixedly connected with the sliding rod 8 through the connecting rod 11, the upper end and the lower end of two sides of the sleeve 6 are respectively provided with a vertical opening matched with the connecting rod 11 in structure, the annular pressing block 10 with the structure can drive the sliding rod 8 to slide in the sleeve 6 through the displacement of the connecting rod 11 in the vertical opening on the sleeve 6, the operation of the maintainer when the valve positioner body 3 is disassembled and assembled is more convenient, the positions of the positioning columns 4 and the positioning holes 5 are respectively corresponding one by one, the length of the positioning columns 4 is larger than the depth of the positioning holes 5, the positioning columns 4 with the structure can enable clamping grooves on the positioning columns 4 to be exposed outside the support 2 when being inserted in the positioning holes 5, the fixture block 9 is convenient to clamp in the clamping groove on the positioning column 4, the rubber sleeve 12 is sleeved outside the positioning column 4, the thickness of the rubber sleeve 12 is 0.1-0.2cm, the friction force when the rubber sleeve 12 is in contact with the positioning hole 5 can be increased, the stability when the positioning column 4 is inserted in the positioning hole 5 is improved, the clamping grooves in the positioning column 4 correspond to the fixture block 9, the clamping grooves in the positioning column 4 are located at the outer end of the positioning column 4, the annular pressing block 10 of the structure can drive the sliding rod 8 to drive the two fixture blocks 9 to be clamped into the clamping grooves in the positioning column 4 when the inner part of the sleeve 6 slides, and the installation efficiency is higher.

The working principle is as follows: when the electric valve positioner convenient to maintain is used, firstly, when the valve positioner body 3 needs to be installed on the support 2 to be matched with the regulating valve 1 for use, the positioning columns 4 are respectively inserted into the positioning holes 5, the stability of the positioning columns 4 inserted into the positioning holes 5 can be improved when the rubber sleeves 12 are contacted with the inner walls of the positioning holes 5, when the clamping grooves at the outer ends of the positioning columns 4 are exposed outside the support 2, workers manually and simultaneously press the annular pressing blocks 10 respectively, the annular pressing blocks 10 can drive the sliding rods 8 to slide in the sleeves 6 and extrude the sponge rubber 7 through the vertical openings on the sleeves 6 by displacing the connecting rods 11, after the annular pressing blocks 10 are loosened, the sliding rods 8 can clamp the clamping blocks 9 into the clamping grooves on the positioning columns 4 under the elastic action of the sponge rubber 7 to limit, so that the valve positioner body 3 can be quickly installed on the support 2, when valve locator body 3 is dismantled on support 2 as required, the reverse order of staff operation make fixture block 9 break away from in the draw-in groove from reference column 4 can, this make valve locator body 3 can be convenient carry out the dismouting on governing valve 1, let the staff can be convenient maintain valve locator body 3 to accomplish a series of work.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides an electric valve positioner convenient to maintain, includes governing valve (1), the middle part of governing valve (1) is equipped with support (2), the front end demountable installation of support (2) has valve positioner body (3), its characterized in that: the four corners at valve locator body (3) back all is fixed with reference column (4), the upper and lower both ends of support (2) both sides all are equipped with and reference column (4) structure identical locating hole (5), the both sides of support (2) all are fixed with sleeve (6), sleeve (6) are located the position between locating hole (5), just sleeve (6) inside centre is equipped with sponge rubber (7), the upper and lower both ends of sponge rubber (7) all are equipped with slide bar (8), the outer end of slide bar (8) extends to the outside of sleeve (6), just slide bar (8) are located the outside one end of sleeve (6) and are fixed with fixture block (9), be equipped with the draw-in groove identical with fixture block (9) structure on reference column (4), and sleeve (6) outside upper and lower both ends all are equipped with annular briquetting (10).

2. An electrical valve positioner to facilitate maintenance according to claim 1, wherein: the two sides of the inner wall of the annular pressing block (10) are fixedly connected with the sliding rod (8) through the connecting rod (11), and the upper end and the lower end of the two sides of the sleeve (6) are provided with vertical openings matched with the connecting rod (11) in structure.

3. An electrical valve positioner to facilitate maintenance according to claim 1, wherein: the positions of the positioning columns (4) correspond to the positions of the positioning holes (5) one by one, and the length of the positioning columns (4) is larger than the depth of the positioning holes (5).

4. An electrical valve positioner to facilitate maintenance according to claim 1, wherein: the outer portion of the positioning column (4) is sleeved with a rubber sleeve (12), and the thickness of the rubber sleeve (12) is 0.1-0.2 cm.

5. An electrical valve positioner to facilitate maintenance according to claim 1, wherein: the clamping grooves in the positioning columns (4) correspond to the clamping blocks (9) in direction, and the clamping grooves in the positioning columns (4) are located at the outer ends of the positioning columns (4).

6. An electrical valve positioner to facilitate maintenance according to claim 1, wherein: the sliding rod (8) is connected with the sleeve (6) in a sliding mode, and one end, located inside the sleeve (6), of the sliding rod (8) is in abutting contact with the sponge rubber (7).