CN217463840U

CN217463840U - High stability adjustment mechanism of high accuracy valve locator

Info

Publication number: CN217463840U
Application number: CN202221133917.5U
Authority: CN
Inventors: 徐卫东; 徐志龙; 钱志航
Original assignee: Changshu Huier Petroleum & Chemistry Industrial Instrument Co ltd
Current assignee: Changshu Huier Petroleum & Chemistry Industrial Instrument Co ltd
Priority date: 2022-05-11
Filing date: 2022-05-11
Publication date: 2022-09-20
Anticipated expiration: 2032-05-11

Abstract

The utility model relates to a valve positioner technical field discloses a high stability adjustment mechanism of high accuracy valve positioner, the on-line screen storage device comprises a base, the top center department of base is provided with the standing groove, both sides inner wall difference fixed connection is in the one end of fixed spring around the standing groove, both ends are controlled at one side of solid fixed splint to the other end difference fixed connection of fixed spring, the bottom inner wall center department of standing groove is provided with valve positioner body, the equal sliding connection in bottom left and right sides of base has the movable plate. The utility model discloses in, drive two-way screw rod through rotating the rolling disc and rotate, movable plate, movable rod, fixing base, fixed plate and second rubber pad isotructure about two-way screw rod drives are close to the pipeline to the realization is close to valve locator body with the pedestal mounting at the function of pipeline, solid fixed splint and first rubber pad under the effect of standing groove, realizes pressing from both sides the fixed clamp of valve locator body.

Description

High stability adjustment mechanism of high accuracy valve positioner

Technical Field

The utility model relates to a valve positioner technical field especially relates to a high stability adjustment mechanism of high accuracy valve positioner.

Background

The valve positioner, divide pneumatic valve positioner, electricity-pneumatic valve positioner and intelligent valve positioner according to the structure, the main annex of governing valve, use with pneumatic control valve commonly, 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 through mechanical device feedback to the valve positioner, the valve position situation passes to upper system through the signal of telecommunication, the valve positioner can increase the output of governing valve, reduce the condition emergence of the transmission lag of regulation signal, accelerate the translation rate 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.

At present, the use of valve locator in the governing valve is more and more extensive, and the effect of playing is more and more showing, but current valve locator has the not enough problem of stability in the use, leads to the effect of using to reduce, and be not convenient for install on the pipeline of valve, thereby cause the operating time extension, reduced work efficiency, so need the high stability adjustment mechanism of a high accuracy valve locator.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the high stability adjustment mechanism of a high accuracy valve positioner who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a high stability adjustment mechanism of high accuracy valve positioner, includes the base, the top center department of base is provided with the standing groove, both sides inner wall difference fixed connection is in the one end of fixed spring around the standing groove, both ends are controlled at one side of solid fixed splint to the other end difference fixed connection of fixed spring, the bottom inner wall center department of standing groove is provided with the valve positioner body, the equal sliding connection in bottom left and right sides of base has the movable plate, the equal fixedly connected with movable rod in both sides around the bottom of movable plate, the equal sliding connection in the top sliding hole of fixing base of downside external diameter of movable rod, the inside of fixing base all is provided with the installation cavity, equal fixedly connected with buffer spring on the bottom inner wall of installation cavity, the equal fixedly connected with fixed plate in bottom of fixing base.

As a further description of the above technical solution:

the valve positioner is characterized in that one side of the fixed clamping plate, which is close to the valve positioner body, is fixedly connected with a first rubber pad, and the bottom of the first rubber pad is connected to the inner wall of the bottom of the placing groove in a sliding manner.

As a further description of the above technical solution:

the inner center through hole of the moving plate is respectively in threaded connection with the outer diameters of the left side and the right side of the bidirectional screw, and the two ends of the bidirectional screw are fixedly connected with rotating discs.

As a further description of the above technical solution:

the movable rod is located the inside one end fixedly connected with limiting plate of installation cavity.

As a further description of the above technical solution:

the top end of the buffer spring is fixedly connected to the limiting plate, and the left side and the right side of the limiting plate are respectively connected to the inner walls of the left side and the right side of the installation cavity in a sliding mode.

As a further description of the above technical solution:

and one side of the fixing plate is provided with a fixing groove, and the inner wall of the fixing groove is fixedly connected with a second rubber pad.

As a further description of the above technical solution:

the left side and the right side of the fixed clamping plate are respectively connected on the inner walls of the left side and the right side of the placing groove in a sliding mode.

The utility model discloses following beneficial effect has:

1. in the utility model, the two-way screw rod is driven to rotate by rotating the rotating disc, the two-way screw rod drives the movable plates at the left side and the right side to approach each other in the rotating process, the movable plates drive the movable rods, the fixed seat, the fixed plate, the second rubber pad and other structures to approach the pipeline, thereby realizing the function of installing the base on the pipeline, the second rubber pad is favorable for protecting the pipeline and avoiding the hidden trouble of damaging the pipeline by clamping, the valve positioner body is placed in the placing groove after the installation is finished, the fixed clamp plate and the first rubber pad are close to the valve positioner body under the action of the placing groove, the fixed clamping of the valve positioner body is realized, the reverse operation can be realized during the disassembly, the operation is simple, the convenience and the rapidness are realized, the stability of the installation of the valve positioner body is ensured, meanwhile, the first rubber pad can play a certain buffering role, and the problem that the valve positioner body is damaged by clamping is avoided.

2. The utility model discloses in, drive the base downstream when the valve locator body takes place to shake, the base drives movable plate, movable rod and limiting plate at the installation cavity lapse, limiting plate lapse in-process compression buffer spring, and buffer spring receives the bounce that the compression produced and can offset the vibrating force to realize buffering absorbing function, guaranteed the normal use of valve locator body.

Drawings

Fig. 1 is a perspective view of a high-stability adjusting mechanism of a high-precision valve positioner according to the present invention;

fig. 2 is a rear view of a high stability adjusting mechanism of the high precision valve positioner according to the present invention;

fig. 3 is the utility model provides a high stability adjustment mechanism's of high accuracy valve positioner fixing base schematic diagram.

Illustration of the drawings:

1. a base; 2. a placement groove; 3. fixing the spring; 4. fixing the clamping plate; 5. a first rubber pad; 6. a valve positioner body; 7. moving the plate; 8. a bidirectional screw; 9. rotating the disc; 10. a movable rod; 11. a fixed seat; 12. a fixing plate; 13. fixing grooves; 14. a second rubber pad; 15. a mounting cavity; 16. a buffer spring; 17. and a limiting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a high-stability adjusting mechanism of a high-precision valve positioner comprises a base 1, wherein a placing groove 2 is arranged at the center of the top of the base 1, the inner walls of the front side and the rear side of the placing groove 2 are respectively and fixedly connected with one end of a fixed spring 3, the other end of the fixed spring 3 is respectively and fixedly connected with the left end and the right end of one side of a fixed clamping plate 4, a valve positioner body 6 is arranged at the center of the inner wall of the bottom of the placing groove 2, the left side and the right side of the bottom of the base 1 are respectively and slidably connected with a movable plate 7, the front side and the rear side of the bottom of the movable plate 7 are respectively and fixedly connected with a movable rod 10, the outer diameter of the lower side of the movable rod 10 is respectively and slidably connected in a sliding hole at the top of a fixed seat 11, an installation cavity 15 is respectively arranged inside the fixed seat 11, buffer springs 16 are respectively and fixedly connected on the inner wall of the bottom of the installation cavity 15, the bottom of the fixed seat 11 is respectively and fixedly connected with a fixed plate 12, a bidirectional screw 8 is driven by rotating a rotating disc 9, two-way screw rod 8 drives movable plate 7 of the left and right sides at the pivoted in-process and is close to each other, movable plate 7 drives movable rod 10, fixing base 11, fixed plate 12 and second rubber pad 14 isotructure are close to the pipeline, thereby realize installing base 1 at the function of pipeline, second rubber pad 14 is favorable to protecting the pipeline, avoid the pipeline to be pressed from both sides bad hidden danger, place valve locator body 6 in standing groove 2 after the installation finishes, solid fixed splint 4 and first rubber pad 5 are close to valve locator body 6 under standing groove 2's effect, the fixed clamp of realization to valve locator body 6 is tight, reverse operation can realize during the dismantlement, and easy operation, high convenience and fastness, the stability of valve locator body 6 installation has been guaranteed, first rubber pad 5 can play certain cushioning effect simultaneously, avoid valve locator body 6 to be pressed from both sides bad problem.

One side of the fixed splint 4 close to the valve positioner body 6 is fixedly connected with a first rubber pad 5, the bottom of the first rubber pad 5 is slidably connected on the inner wall of the bottom of the placing groove 2, the first rubber pad 5 is beneficial to protecting the valve positioner body 6, the inner central through hole of the movable plate 7 is respectively in threaded connection with the outer diameters of the left side and the right side of the bidirectional screw 8, both ends of the bidirectional screw 8 are fixedly connected with rotating discs 9, one end of the movable rod 10 positioned in the installation cavity 15 is fixedly connected with a limiting plate 17, the top end of the buffer spring 16 is fixedly connected with the limiting plate 17 to prevent the movable rod 10 from separating from the installation cavity 15, when the valve positioner body 6 vibrates, the base 1 is driven to move downwards, the base 1 drives the movable rod 7, the movable rod 10 and the limiting plate 17 to slide downwards in the installation cavity 15, the buffer spring 16 is compressed in the process of downward sliding of the limiting plate 17, the shock force can be offset to buffer spring 16 receives the bounce that the compression produced, thereby realize buffering absorbing function, the normal use of valve locator body 6 has been guaranteed, limiting plate 17's the left and right sides is sliding connection respectively on the left and right sides inner wall of installation cavity 15, one side of fixed plate 12 all is provided with fixed slot 13, equal fixedly connected with second rubber pad 14 on the inner wall of fixed slot 13, the left and right sides difference sliding connection of solid fixed splint 4 is on the left and right sides inner wall of standing groove 2, guarantee the stability that solid fixed splint 4 removed.

The working principle is as follows: the two-way screw 8 is driven to rotate by rotating the rotating disc 9, the two-way screw 8 drives the moving plates 7 at the left side and the right side to approach each other in the rotating process, the moving plates 7 drive the movable rods 10, the fixed seat 11, the fixed plate 12, the second rubber pad 14 and other structures to approach the pipeline, so that the base 1 is installed on the pipeline, the second rubber pad 14 is beneficial to protecting the pipeline and avoiding the hidden danger of damage of the pipeline due to clamping, the valve positioner body 6 is placed in the placing groove 2 after the installation is finished, the fixed clamp plate 4 and the first rubber pad 5 approach the valve positioner body 6 under the action of the placing groove 2, so that the valve positioner body 6 is fixedly clamped, the reverse operation can be realized during the disassembly, the operation is simple, the convenience and the rapidness are realized, the installation stability of the valve positioner body 6 is ensured, and meanwhile, the first rubber pad 5 can play a certain buffering role, avoid valve locator body 6 to be pressed from both sides bad problem, drive base 1 downstream when valve locator body 6 takes place vibrations, base 1 drives movable plate 7, movable rod 10 and limiting plate 17 are in the 15 internal downslide of installation cavity, limiting plate 17 gliding in-process compression buffer spring 16 down, buffer spring 16 receives the bounce that the compression produced and can offset the shaking force, thereby realize buffering absorbing function, the normal use of valve locator body 6 has been guaranteed.

Finally, it should be noted that: 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 modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a high stability adjustment mechanism of high accuracy valve positioner, includes base (1), its characterized in that: the improved door positioner is characterized in that a placing groove (2) is arranged at the center of the top of the base (1), the inner walls of the front side and the rear side of the placing groove (2) are respectively and fixedly connected with one end of a fixed spring (3), the other end of the fixed spring (3) is respectively and fixedly connected with the left end and the right end of one side of a fixed clamping plate (4), a door positioner body (6) is arranged at the center of the inner wall of the bottom of the placing groove (2), a movable plate (7) is respectively and slidably connected with the left side and the right side of the bottom of the base (1), movable rods (10) are respectively and fixedly connected with the front side and the rear side of the bottom of the movable rod (7), the outer diameters of the lower sides of the movable rods (10) are respectively and slidably connected in sliding holes in the top of a fixed seat (11), an installation cavity (15) is arranged in the fixed seat (11), and a buffer spring (16) is respectively and fixedly connected on the inner wall of the bottom of the installation cavity (15), the bottom of the fixed seat (11) is fixedly connected with a fixed plate (12).

2. The high stability adjustment mechanism of a high precision valve positioner of claim 1, wherein: the valve positioner is characterized in that a first rubber pad (5) is fixedly connected to one side, close to the valve positioner body (6), of the fixed clamping plate (4), and the bottom of the first rubber pad (5) is connected to the inner wall of the bottom of the placing groove (2) in a sliding mode.

3. The high stability adjustment mechanism of a high precision valve positioner of claim 1, wherein: the inner center through hole of the moving plate (7) is respectively in threaded connection with the outer diameters of the left side and the right side of the bidirectional screw (8), and rotating discs (9) are fixedly connected to the two ends of the bidirectional screw (8).

4. The high stability adjustment mechanism of a high precision valve positioner of claim 1, wherein: the movable rod (10) is located at one end inside the mounting cavity (15) and is fixedly connected with a limiting plate (17).

5. The high stability adjustment mechanism of a high precision valve positioner of claim 1, wherein: the equal fixed connection in limiting plate (17) in top of buffer spring (16), the left and right sides of limiting plate (17) sliding connection respectively is on the left and right sides inner wall of installation cavity (15).

6. The high stability adjustment mechanism of a high precision valve positioner of claim 1, wherein: one side of the fixing plate (12) is provided with a fixing groove (13), and a second rubber pad (14) is fixedly connected to the inner wall of the fixing groove (13).

7. The high stability adjustment mechanism of a high precision valve positioner of claim 1, wherein: the left side and the right side of the fixed splint (4) are respectively connected on the inner walls of the left side and the right side of the placing groove (2) in a sliding manner.