CN216131471U

CN216131471U - Valve positioner with adjusting structure

Info

Publication number: CN216131471U
Application number: CN202122509260.XU
Authority: CN
Inventors: 赵福锦
Original assignee: Changshu Yinuo Intelligent Automatic Control Instrument Co ltd
Current assignee: Changshu Yinuo Intelligent Automatic Control Instrument Co ltd
Priority date: 2021-10-19
Filing date: 2021-10-19
Publication date: 2022-03-25
Anticipated expiration: 2031-10-19

Abstract

The utility model discloses a valve positioner with an adjusting structure, which comprises a valve positioner main body and an adjusting unit, wherein the valve positioner main body is provided with a valve seat; a protective cover is arranged on the outer side of the dial plate on the upper side of the valve positioner main body; the regulating unit includes spout, slide bar, backup pad, block rubber and power component, the spout has been seted up along left right direction at the middle part of valve locator main part, both sides sliding connection has a slide bar respectively about the inside of spout, backup pad of the right-hand member of upper end slide bar and the left end difference fixedly connected with of lower extreme slide bar, the outside of two backup pads is provided with a block rubber respectively, two backup pads are connected through the cooperation between block rubber and the outside fixed knot structure respectively, drive the inside relative slip of two slide bars at the spout under power component's effect, the relative slip of two backup pads is driven in the slip through two slide bars, be connected through the cooperation between block rubber and the externally mounted subassembly under the effect of two backup pads.

Description

Valve positioner with adjusting structure

Technical Field

The utility model relates to the technical field of valve positioners, in particular to a valve positioner with an adjusting structure.

Background

The valve positioner is structurally divided into a pneumatic valve positioner, an electric-pneumatic valve positioner and an intelligent valve positioner, is a main accessory of a regulating valve, is usually matched with a pneumatic regulating valve for use, receives an output signal of the regulator, controls the pneumatic regulating valve according to the output signal of the regulator, and after the regulating valve acts, the displacement of a valve rod is fed back to the valve positioner through a mechanical device, and the valve position condition is transmitted to an upper system through an electric signal;

the application No. 202020853343.3 in the prior art provides a valve positioner with an adjusting structure, which comprises a valve positioner body, wherein a sliding rod is fixedly arranged on one side of the bottom of the valve positioner body, a first arc ring is arranged at the bottom of the sliding rod, an arc-shaped sliding groove is formed between the first arc ring and a second arc ring, and the bottom end of the sliding rod is embedded in the arc-shaped sliding groove;

in the prior art, although the valve positioner with the adjusting structure has a good effect of adjusting and mounting the valve positioner, the valve positioner cannot quickly achieve the adjusting effect, and therefore, a valve positioner with the adjusting structure is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the technical problem in the prior art, and provides a valve positioner with an adjusting structure, wherein two sliding rods are driven to slide relatively in a sliding groove under the action of a power assembly, two supporting plates are driven to slide relatively through the sliding of the two sliding rods, and the two supporting plates are connected with an external mounting assembly in a matched manner through a rubber block under the action of the two supporting plates, so that the problems in the background art can be effectively solved.

In order to achieve the purpose, the utility model provides the following technical scheme: a valve positioner with an adjustment structure includes a valve positioner main body and an adjustment unit;

valve positioner main part: a protective cover is arranged on the outer side of the upper dial plate;

an adjusting unit: include spout, slide bar, backup pad, block rubber and power component, the spout has been seted up along left right direction at the middle part of valve locator main part, both sides sliding connection has a slide bar respectively about the inside of spout, and the right-hand member of upper end slide bar and the left end of lower extreme slide bar are backup pad of fixedly connected with respectively, and the outside of two backup pads is provided with a block rubber respectively, and two backup pads are connected through the cooperation between block rubber and the outside fixed knot structure respectively, power component sets up the front side in the valve locator main part, the cooperation is connected between power component's rear end and the inboard of two slide bars.

The two sliding rods are driven to slide relatively in the sliding grooves under the action of the power assembly, the two supporting plates are driven to slide relatively through the sliding of the two sliding rods, and the two supporting plates are connected with the external installation assembly through the rubber blocks in a matched mode under the action of the two supporting plates.

Further, power component includes rack, driving shaft and driving gear, is provided with a rack (35) along the left and right sides direction respectively between the inboard of two slide bars, the front and back both ends side of driving shaft rotate between the inside front and back both sides with the spout respectively and be connected, a driving gear of rear end terminal side fixedly connected with of driving shaft, the meshing is connected between the outside gear of driving gear and the inboard tooth of two racks.

The driving shaft rotates to drive the driving gear to rotate, and under the meshing connection effect between the gear on the outer side of the driving gear and the teeth on the inner sides of the two racks, the driving gear rotates to drive the two sliding rods to slide relatively in the sliding groove.

Further, power component still includes the carousel, the carousel sets up in the front end of driving shaft, and the carousel is located the front side of valve locator main part, rotates the carousel under the effect of external force, drives the rotation of driving shaft through the rotation of carousel.

Further, still include the positioning unit, the positioning unit includes round hole, locating lever and circular slot, a round hole has been seted up to the front end of carousel, there is the locating lever inside of round hole along fore-and-aft direction sliding connection, the front side of valve locator main part has seted up the round circular slot along the circumferencial direction is even, and the round circular slot is located the outside of driving shaft, the cooperation is connected between the rear end side of locating lever and the inboard of circular slot.

The positioning rod slides under the action of the round hole, and the rotating position of the turntable is fixed under the action of the matching connection between the side surface of the rear end of the positioning rod and the inner side of the round groove.

Further, the positioning unit still includes ring and spring, the outside middle part fixedly connected with ring of locating lever, fixed connection between the rear end of spring and the front end of ring, fixed connection between the front end of spring and the rear end of carousel, and the spring is located the outside of locating lever.

The circular ring has a backward force under the action of the spring, so that the matching connection between the rear end of the positioning rod and the inner side of the circular groove is more stable.

Furthermore, the positioning unit still includes the cylinder piece, the cylinder piece sets up the front end at the locating lever, and the cylinder piece is located the front side of carousel, makes the locating lever can realize the effect of pulling through the effect of external force more easily under the effect of carousel.

Compared with the prior art, the utility model has the beneficial effects that: this valve positioner with regulation structure has following benefit:

1. the valve positioner with the adjusting structure is provided with a positioning unit, the positioning rod is enabled to realize the sliding action under the action of the round hole, and the rotating position of the rotating disc is fixed under the matching and connecting action between the side surface of the rear end of the positioning rod and the inner side of the round groove;

2. the valve positioner with the adjusting structure is provided with an adjusting unit, a driving gear is driven to rotate through the rotation of a driving shaft, and two sliding rods are driven to slide relatively in a sliding groove through the rotation of the driving gear under the meshing connection action between an outer side gear of the driving gear and teeth on the inner sides of two racks;

3. the two sliding rods are driven to slide relatively in the sliding grooves under the action of the power assembly, the two supporting plates are driven to slide relatively through the sliding of the two sliding rods, and the two supporting plates are connected with the external installation assembly through the rubber blocks in a matched mode under the action of the two supporting plates.

Drawings

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

FIG. 2 is an enlarged view of a portion of FIG. 1A;

fig. 3 is a schematic rear view of the present invention.

In the figure: the valve positioner comprises a valve positioner main body 1, a protective cover 2, a 3 adjusting unit, a 31 sliding groove, a 32 sliding rod, a 33 supporting plate, a 34 rubber block, a 35 rack, a 36 driving shaft, a 37 driving gear, a 38 rotating disc, a 4 positioning unit, a 41 round hole, a 42 positioning rod, a 43 round groove, a 44 round ring, a 45 spring and a 46 cylindrical block.

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. 1-3, the present embodiment provides a technical solution: a valve positioner with an adjusting structure comprises a valve positioner main body 1 and an adjusting unit 3;

valve positioner body 1: a protective cover 2 is arranged on the outer side of the upper dial plate;

the adjusting unit 3: include spout 31, the slide bar 32, backup pad 33, block rubber 34 and power component, spout 31 has been seted up along left right direction in the middle part of valve locator main part 1, both sides are sliding connection respectively has a slide bar 32 about the inside of spout 31, backup pad 33 of right-hand member of upper end slide bar 32 and lower extreme slide bar 32's left end difference fixedly connected with, the outside of two backup pads 33 is provided with a block rubber 34 respectively, two backup pads 33 are connected through the cooperation between block rubber 34 and the outside fixed knot structure respectively, power component sets up the front side at valve locator main part 1, the cooperation is connected between power component's rear end and two slide bar 32's the inboard.

The two sliding rods 32 are driven to slide relatively in the sliding groove 31 under the action of the power assembly, the two supporting plates 33 are driven to slide relatively through the sliding of the two sliding rods 32, and the two supporting plates 33 are connected with an external installation assembly through the rubber blocks 34 in a matched mode under the action of the two supporting plates 33.

The power assembly comprises a rack 35, a driving shaft 36 and a driving gear 37, the racks 35 are respectively arranged between the inner sides of the two sliding rods 32 along the left-right direction, the side faces of the front end and the rear end of the driving shaft 36 are respectively connected with the front side and the rear side of the inside of the sliding chute 31 in a rotating mode, the driving gear 37 is fixedly connected to the side face of the rear end of the driving shaft 36, and the outer gear of the driving gear 37 is connected with the teeth on the inner sides of the two racks 35 in a meshing mode.

The rotation of the driving shaft 36 drives the driving gear 37 to rotate, and the rotation of the driving gear 37 drives the two sliding rods 32 to slide relatively inside the sliding slot 31 under the meshing connection effect between the outer gear of the driving gear 37 and the inner teeth of the two racks 35.

The power assembly further comprises a rotary table 38, the rotary table 38 is disposed at the front end of the driving shaft 36, and the rotary table 38 is located at the front side of the valve positioner body 1, the rotary table 38 is rotated under the action of external force, and the driving shaft 36 is driven to rotate through the rotation of the rotary table 38.

Still include positioning unit 4, positioning unit 4 includes round hole 41, locating lever 42 and circular slot 43, and a round hole 41 has been seted up to the front end of carousel 38, and there is locating lever 42 inside along fore-and-aft direction sliding connection of round hole 41, and the front side of valve locator main part 1 has seted up round slot 43 along the circumferencial direction is even, and round slot 43 is located the outside of driving shaft 36, and the cooperation is connected between the rear end side of locating lever 42 and the inboard of circular slot 43.

The positioning rod 42 is slid by the circular hole 41, and the rotational position of the turntable 38 is fixed by the fitting and coupling between the rear end side surface of the positioning rod 42 and the inner side of the circular groove 43.

The positioning unit 4 further comprises a ring 44 and a spring 45, the middle part of the outer side of the positioning rod 42 is fixedly connected with the ring 44, the rear end of the spring 45 is fixedly connected with the front end of the ring 44, the front end of the spring 45 is fixedly connected with the rear end of the turntable 38, and the spring 45 is located on the outer side of the positioning rod 42.

The ring 44 is forced rearwardly by the spring 45, thereby stabilizing the mating connection between the rear end of the retainer rod 42 and the inside of the circular groove 43.

The positioning unit 4 further comprises a cylindrical block 46, the cylindrical block 46 is disposed at the front end of the positioning rod 42, and the cylindrical block 46 is located at the front side of the turntable 38, so that the positioning rod 42 can be pulled easily by external force under the action of the turntable 38.

The working principle of the valve positioner with the adjusting structure provided by the utility model is as follows:

the rotating disc 38 is rotated under the action of external force, the driving shaft 36 is driven to rotate through the rotation of the rotating disc 38, the driving gear 37 is driven to rotate through the rotation of the driving shaft 36, under the meshing connection action between the outer side gear of the driving gear 37 and the inner side teeth of the two racks 35, the two sliding rods 32 are driven to relatively slide in the sliding groove 31 through the rotation of the driving gear 37, the two supporting plates 33 are driven to relatively slide through the sliding of the two sliding rods 32, under the action of the two supporting plates 33, the rubber block 34 is connected with the external installation component in a matching way, the positioning rod 42 can be pulled easily through the action of the external force under the action of the rotating disc 38, the positioning rod 42 is enabled to slide under the action of the circular hole 41, and under the matching connection action between the rear end side face of the positioning rod 42 and the inner side face of the circular groove 43, the fixing of the rotating position of the rotating disc 38 is realized, the ring 44 is forced rearwardly by the spring 45, thereby stabilizing the mating connection between the rear end of the retainer rod 42 and the inside of the circular groove 43.

It should be noted that, the valve positioner body 1 disclosed in the above embodiments is implemented by YT-1000 electric valve positioner, and the control switch set is used to control the valve positioner body 1 to work by the method commonly used in the prior art.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A valve positioner having an adjustment structure, comprising: comprises a valve positioner main body (1) and an adjusting unit (3);

valve positioner main body (1): a protective cover (2) is arranged on the outer side of the upper dial plate;

adjusting unit (3): include spout (31), slide bar (32), backup pad (33), block rubber (34) and power component, spout (31) have been seted up along left right direction in the middle part of valve locator main part (1), both sides are sliding connection respectively about the inside of spout (31) have a slide bar (32), and backup pad (33) of fixedly connected with respectively are the right-hand member of upper end slide bar (32) and the left end of lower extreme slide bar (32), and the outside of two backup pads (33) is provided with a block rubber (34) respectively, and two backup pads (33) are connected through the cooperation between a block rubber (34) and the external fixation structure respectively, power component sets up the front side in valve locator main part (1), the cooperation is connected between the rear end of power component and the inboard of two slide bars (32).

2. A valve positioner having an adjustment mechanism according to claim 1, wherein: the power component includes rack (35), driving shaft (36) and driving gear (37), is provided with one rack (35) along the left and right sides respectively between the inboard of two slide bars (32), the front and back both ends side of driving shaft (36) respectively with the inside of spout (31) around between the both sides rotate and be connected, driving gear (37) of rear end side fixedly connected with of driving shaft (36), the meshing is connected between the outside gear of driving gear (37) and the tooth of two rack (35) inboards.

3. A valve positioner having an adjustment mechanism according to claim 2, wherein: the power assembly further comprises a rotary table (38), the rotary table (38) is arranged at the front end of the driving shaft (36), and the rotary table (38) is located on the front side of the valve positioner main body (1).

4. A valve positioner having an adjustment mechanism according to claim 3, wherein: still include positioning unit (4), positioning unit (4) include round hole (41), locating lever (42) and circular slot (43), a round hole (41) have been seted up to the front end of carousel (38), there are locating lever (42) inside along fore-and-aft direction sliding connection of round hole (41), round slot (43) have been seted up along the circumferencial direction is even to the front side of valve locator main part (1), and round slot (43) are located the outside of driving shaft (36), the cooperation is connected between the rear end side of locating lever (42) and the inboard of circular slot (43).

5. The valve positioner of claim 4, having an adjustment mechanism, wherein: positioning unit (4) still include ring (44) and spring (45), outside middle part fixedly connected with ring (44) of locating lever (42), fixed connection between the rear end of spring (45) and the front end of ring (44), fixed connection between the front end of spring (45) and the rear end of carousel (38), and spring (45) are located the outside of locating lever (42).

6. The valve positioner of claim 4, having an adjustment mechanism, wherein: the positioning unit (4) further comprises a cylindrical block (46), the cylindrical block (46) is arranged at the front end of the positioning rod (42), and the cylindrical block (46) is located on the front side of the turntable (38).