CN220505810U

CN220505810U - Pneumatic film low-temperature regulating valve

Info

Publication number: CN220505810U
Application number: CN202321819249.6U
Authority: CN
Inventors: 汤恒
Original assignee: Hangzhou Fuyang Fu Heng Instrument Valve Co ltd
Current assignee: Hangzhou Fuyang Fu Heng Instrument Valve Co ltd
Priority date: 2023-07-12
Filing date: 2023-07-12
Publication date: 2024-02-20
Anticipated expiration: 2033-07-12

Abstract

The utility model discloses a pneumatic film low-temperature regulating valve, which relates to the technical field of regulating valves and comprises a pressure shell, wherein a cylinder is fixedly arranged below the pressure shell, a valve rod is arranged in the cylinder, a mounting frame is fixedly arranged below the cylinder, a regulating component is arranged in the mounting frame, the lower part of the mounting frame is fixedly connected with a valve body, the valve rod extends into the valve body, a thread groove is formed in the outer wall of the valve rod, the regulating component comprises a moving plate, and limiting rings are arranged on two sides of a pull handle. According to the utility model, the movable plate can be driven to move upwards or downwards through the arranged adjusting component, the measuring meter is calibrated, the error judgment of personnel caused by the misalignment of the measuring meter is prevented, the fixed ring can be moved towards the inside of the mounting ring through the arranged limiting component, then the movable pipe and the valve body are carried, the connecting ring is moved into the inside of the mounting ring, and the movable pipe is limited through the limiting component, so that the valve can be quickly installed.

Description

Pneumatic film low-temperature regulating valve

Technical Field

The utility model relates to the technical field of regulating valves, in particular to a pneumatic film low-temperature regulating valve.

Background

The pneumatic film regulating valve is called as regulating valve for short and consists of an executing mechanism and a regulating mechanism. The pneumatic film regulating valve is an extremely important link in an automatic regulating system in the process of production. In order to ensure the safe and normal operation of the device, necessary checking and verification should be carried out according to actual needs before installation and use or after maintenance.

In the field of industrial automation process control, a final control element for changing process parameters such as medium flow, pressure, temperature, liquid level and the like by power operation through receiving a control signal output by a control unit is generally composed of an actuating mechanism and a valve, and if the valve is characterized by stroke, the valve can be divided into a straight stroke and an angular stroke; the power used by the execution mechanism can be divided into three types of pneumatic regulating valves, electric regulating valves and hydraulic regulating valves; the characteristics are classified into linear characteristics, equal percentage characteristics and parabolic characteristics according to functions and characteristics. The regulating valve is suitable for air, water, steam, various corrosive media, slurry, oil products and other media. The existing double-seat regulating valve is easy to be misaligned in measuring after long-term use, but the existing valve body measuring marks are all integrated and cannot be regulated.

Disclosure of Invention

Based on the above, the utility model aims to provide a pneumatic film low-temperature regulating valve so as to solve the technical problem of flow regulation of the regulating valve.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a pneumatic film low temperature control valve, includes the pressure shell, pressure shell below fixed mounting has the cylinder, be provided with the valve rod in the cylinder, cylinder below fixed mounting has the installing frame, the inside adjusting part that is provided with of installing frame, installing frame below and valve body fixed connection, the valve rod extends to the valve body inside, and the screw groove has been seted up to the valve rod outer wall, adjusting part includes the movable plate, the inside first drive wheel that is provided with of movable plate, first drive wheel one side is provided with the second drive wheel, the fixed cover of second drive wheel is established at the bull stick outer wall, and bull stick one end passes through bearing movable mounting at the movable plate inner wall, the bull stick other end extends to the movable plate outer wall and draws a swing joint, it is provided with the spacing collar to draw the both sides.

As an optimal technical scheme of the pneumatic film low-temperature regulating valve, the first driving wheel is connected with the second driving wheel through the driving belt, the first driving wheel is movably arranged on the outer wall of the valve rod, threads are arranged in the first driving wheel, and the threads are mutually meshed with thread grooves formed in the outer wall of the valve rod.

As an optimal technical scheme of the pneumatic film low-temperature regulating valve, the pull handle is movably arranged on the inner wall of the rotating rod through the connecting rod, the outer wall of the connecting rod is sleeved with the spring, the connecting rod is in cross connection with the rotating rod, the outer wall of the pull handle is fixedly provided with saw teeth, the inner wall of the limiting ring is provided with saw teeth, and the saw teeth arranged on the inner wall of the limiting ring are in meshed connection with the saw teeth arranged on the outer wall of the pull handle.

As an optimal technical scheme of the pneumatic film low-temperature regulating valve, mounting rings are arranged on two sides of the valve body, a limiting component is arranged in the mounting rings, the limiting component comprises a limiting block, a pull rod is arranged above the limiting block, a connecting ring is arranged on one side of the mounting rings, a fixing ring is fixedly arranged on the connecting ring, and the fixing ring is fixed on the outer wall of a pipeline.

As an optimal technical scheme of the pneumatic film low-temperature regulating valve, the limiting block is movably connected with the pull rod through the rotating shaft, a torsion spring is arranged in the rotating shaft, a spring is sleeved on the outer wall of the pull rod, a groove matched with the connecting ring is formed in the mounting ring, and a limiting groove matched with the limiting block is formed in the connecting ring.

In summary, the utility model has the following advantages:

according to the utility model, the movable plate can be driven to move upwards or downwards through the arranged adjusting component, the measuring meter is calibrated, the error judgment of personnel caused by the misalignment of the measuring meter is prevented, the fixed ring can be moved towards the inside of the mounting ring through the arranged limiting component, then the movable pipe and the valve body are carried, the connecting ring is moved into the inside of the mounting ring, and the movable pipe is limited through the limiting component, so that the valve can be quickly installed.

Drawings

FIG. 1 is a front view of the present utility model;

FIG. 2 is a front cross-sectional view of the present utility model;

FIG. 3 is an enlarged view of FIG. 2A in accordance with the present utility model;

FIG. 4 is a front view of the stop collar and pull cup of the present utility model;

FIG. 5 is a front view of the first drive wheel of the present utility model;

fig. 6 is a cross-sectional view of a turning rod of the present utility model.

In the figure: 1. a pressure shell; 2. a column; 3. a valve stem; 4. a mounting frame; 5. a valve body; 6. a mounting ring; 610. a limiting block; 620. a pull rod; 630. a connecting ring; 640. a fixing ring; 710. a moving plate; 720. a first driving wheel; 730. a pull handle; 740. a limit ring; 750. a rotating rod; 760. and a second driving wheel.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.

1-6, a pneumatic film low temperature regulating valve, including a pressure shell 1, a column 2 is fixedly installed below the pressure shell 1, a valve rod 3 is arranged in the column 2, a mounting frame 4 is fixedly installed below the column 2, a regulating component is arranged inside the mounting frame 4, the lower part of the mounting frame 4 is fixedly connected with a valve body 5, the valve rod 3 extends to the inside of the valve body 5, a thread groove is arranged on the outer wall of the valve rod 3, the regulating component comprises a moving plate 710, a first driving wheel 720 is arranged inside the moving plate 710, a second driving wheel 760 is arranged on one side of the first driving wheel 720, the second driving wheel 760 is fixedly sleeved on the outer wall of a rotating rod 750, one end of the rotating rod 750 is movably installed on the inner wall of the moving plate 710 through a bearing, the bull stick 750 other end extends to movable plate 710 outer wall and pull handle 730 swing joint, pull handle 730 both sides are provided with spacing collar 740, be connected through the drive belt between first drive wheel 720 and the second drive wheel 760, first drive wheel 720 movable mounting is at the valve rod 3 outer wall, the inside screw thread that is provided with of first drive wheel 720, and screw thread and valve rod 3 outer wall are provided with the mutual interlock of screw thread groove, pull handle 730 passes through connecting rod movable mounting at bull stick 750 inner wall, and the connecting rod outer wall cover is equipped with the spring, be cross connection between connecting rod and the bull stick 750, pull handle 730 outer wall is fixed with the sawtooth, spacing collar 740 inner wall is provided with the sawtooth, and the sawtooth that spacing collar 740 inner wall set up is connected with the sawtooth interlock that pull handle 730 outer wall set up.

Pulling handle 730 outwards makes its handle 730 break away from spacing collar 740, rotates handle 730 then, drives bull stick 750 and rotates, drives first drive wheel 720 simultaneously and rotates, drives first drive wheel 720 through the drive belt and rotates then, drives movable plate 710 and reciprocates, calibrates the gauge then, prevents that the measuring scale from misaligning.

Referring to fig. 1-3, the two sides of the valve body 5 are provided with mounting rings 6, a limiting component is arranged inside the mounting rings 6, the limiting component comprises a limiting block 610, a pull rod 620 is arranged above the limiting block 610, a connecting ring 630 is arranged on one side of the mounting rings 6, a fixing ring 640 is fixedly arranged on the connecting ring 630, the fixing ring 640 is fixed on the outer wall of a pipeline, the limiting block 610 is movably connected with the pull rod 620 through a rotating shaft, a torsion spring is arranged inside the rotating shaft, a spring is sleeved on the outer wall of the pull rod 620, a groove matched with the connecting ring 630 is formed inside the mounting rings 6, and a limiting groove matched with the limiting block 610 is formed inside the connecting ring 630.

The fixed ring 640 is pushed to one side, the pipeline is driven to move towards the inside of the installation ring 6, the connecting ring 630 is driven to move towards the inside of the installation ring 6, the limiting block 610 is extruded, after the pipeline is moved to a certain position, the limiting block 610 is driven to reset through acting force of the torsion spring, and then the connecting ring 630 is limited, so that pipeline connection can be completed rapidly.

During the use, promote retainer plate 640 to one side, drive the pipeline and remove to the retainer plate 6 inside, then drive the retainer plate 630 to the inside removal of retainer plate 6, extrude stopper 610, after removing the position, through the effort of torsional spring, drive stopper 610 and reset, then carry out spacingly to the retainer plate 630, can be quick accomplish the pipe connection, outwards pull handle 730, make its handle 730 break away from retainer plate 740, rotate handle 730 then, drive bull stick 750 and rotate, drive first drive wheel 720 simultaneously and rotate, then drive first drive wheel 720 through the conveyer belt, then drive movable plate 710 and reciprocate, then calibrate the gauge, prevent that the measuring table from being out of alignment.

Although embodiments of the utility model have been shown and described, the detailed description is to be construed as exemplary only and is not limiting of the utility model as the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and modifications, substitutions, variations, etc. may be made in the embodiments as desired by those skilled in the art without departing from the principles and spirit of the utility model, provided that such modifications are within the scope of the appended claims.

Claims

1. The utility model provides a pneumatic film low temperature governing valve, includes pressure shell (1), its characterized in that: the valve is characterized in that a column body (2) is fixedly arranged below the pressure shell (1), a valve rod (3) is arranged in the column body (2), a mounting frame (4) is fixedly arranged below the column body (2), an adjusting component is arranged inside the mounting frame (4), the lower part of the mounting frame (4) is fixedly connected with the valve body (5), the valve rod (3) extends to the inside of the valve body (5), and a thread groove is formed in the outer wall of the valve rod (3);

the adjusting component comprises a moving plate (710), a first driving wheel (720) is arranged inside the moving plate (710), a second driving wheel (760) is arranged on one side of the first driving wheel (720), the second driving wheel (760) is fixedly sleeved on the outer wall of a rotating rod (750), one end of the rotating rod (750) is movably mounted on the inner wall of the moving plate (710) through a bearing, the other end of the rotating rod (750) extends to the outer wall of the moving plate (710) and is movably connected with a pull handle (730), and limit rings (740) are arranged on two sides of the pull handle (730).

2. A pneumatic diaphragm cryogenically adjustable valve according to claim 1 wherein: the first driving wheel (720) is connected with the second driving wheel (760) through a driving belt, the first driving wheel (720) is movably mounted on the outer wall of the valve rod (3), threads are arranged in the first driving wheel (720), and thread grooves are formed in the threads and the outer wall of the valve rod (3) to be meshed with each other.

3. A pneumatic diaphragm cryogenically adjustable valve according to claim 1 wherein: pull handle (730) through connecting rod movable mounting at bull stick (750) inner wall, and connecting rod outer wall cover is equipped with the spring, be cross connection between connecting rod and bull stick (750), pull handle (730) outer wall is fixed with the sawtooth, spacing collar (740) inner wall is provided with the sawtooth, and the sawtooth that spacing collar (740) inner wall set up is connected with the sawtooth interlock that pulls handle (730) outer wall set up.

4. A pneumatic diaphragm cryogenically adjustable valve according to claim 1 wherein: the utility model discloses a pipeline outer wall, including valve body (5), valve body (5) both sides are provided with collar (6), the inside spacing subassembly that is provided with of collar (6), spacing subassembly includes stopper (610), stopper (610) top is provided with pull rod (620), collar (6) one side is provided with go-between (630), go-between (630) fixed mounting has retainer plate (640), and retainer plate (640) are fixed at the pipeline outer wall.

5. A pneumatic diaphragm cryogenically adjustable valve according to claim 4 wherein: the limiting block (610) is movably connected with the pull rod (620) through a rotating shaft, a torsion spring is arranged in the rotating shaft, a spring is sleeved on the outer wall of the pull rod (620), a groove matched with the connecting ring (630) is formed in the mounting ring (6), and a limiting groove matched with the limiting block (610) is formed in the connecting ring (630).