Corrosion-resistant and wear-resistant self-operated pressure regulating valve

Abstract

The utility model belongs to the technical field of self-operated pressure regulating valves, and particularly relates to a corrosion-resistant and wear-resistant self-operated pressure regulating valve which comprises a first protective shell, a valve body and a pressure tapping pipe, the valve body is arranged in the first protective shell, the pressure tapping pipe is arranged at one end of the valve body, and a second protective shell is rotationally arranged on one side of the first protective shell. Fans are arranged on the two sides of the first protection shell, a plurality of fixing blocks are arranged in the second protection shell, and an arc-shaped block is arranged at one end of each set of fixing blocks. By arranging the first protection shell, the clamping blocks and other structures, the first protection shell and the second protection shell can be buckled through rotation, and the service life of the valve body is prolonged; and the first protection shell and the second protection shell can be rapidly and fixedly installed, the installation and disassembly efficiency is improved, by arranging a threaded rod, a fixing hoop and other structures, the fixing hoop can fix and support the pressure tapping pipe, and the stability of the pressure tapping pipe is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to self -force pressure regulating valve technical field especially relates to a kind of self -force pressure regulating valve of corrosion and wear resistance. BACKGROUND

[0002] Self -force pressure regulating valve is a kind of equipment without additional energy, can work in the occasion without electricity without gas, both convenient and energy-saving, internal pressure subsection range is fine and mutually intersected, and adjustment precision is high, self -force regulating valve is often used to adjust medium flow, pressure, temperature, liquid level and other process parameters in the field of industrial automation process control, can automatically adjust the opening of valve according to control signal in automation system, to realize the adjustment of medium flow, pressure, temperature and liquid level, and self -force pressure regulating valve is corrosion and wear resistant, and service life is long.

[0003] Patent No. CN212107154U discloses a kind of self -force pressure regulating valve of corrosion and wear resistance, including self -force pressure regulating valve main body, the top of self -force pressure regulating valve main body is equipped with connecting rod, the outer side of connecting rod is equipped with sliding cover, the bottom of self -force pressure regulating valve main body away from connecting rod two sides is equipped with connecting flange respectively, the side of connecting flange is connected with pipeline, the outer side of pipeline near connecting flange is wrapped with fixed pipe;The device is fixed by a series of devices connected by fixed pipe on the outer side of pipeline before self -force pressure regulating valve main body is installed, and the wrapping shell connected by fixed pipe is moved on fixed pipe, to left and right splicing to wrap self -force pressure regulating valve main body after installation, wrapping shell is spliced by fastening sleeve sleeve thread ring, and there is sliding cover covering splicing interface on top, can well seal self -force pressure regulating valve main body.

[0004] In prior art, by setting sliding cover covering splicing interface, self -force pressure regulating valve main body can be sealed, to prevent self -force pressure regulating valve main body leakage from causing loss, but there are still the following problems in overall use: first, prior art is inconvenient to disassemble when self -force pressure regulating valve main body is maintained, and installation efficiency is low;Second, when self -force pressure regulating valve main body is sealed in prior art, pressure taking pipe is exposed, and it is not supported, easy to cause fluid leakage due to pressure taking pipe loosening, affect use safety. UTILITY MODEL CONTENTS

[0005] The utility model discloses in order to overcome the insufficient of prior art, provide a kind of anticorrosive wear-resistant self force type pressure regulating valve, by setting first protective shell and clamping block etc., first protective shell and second protective shell can be buckled by rotating, the valve body is protected, improve the service life of valve body, and first protective shell and second protective shell can be quickly fixed installation, improve the efficiency of installation and removal, by setting threaded rod and fixed hoop etc., the length of connector can be adjusted, improve the adaptability of device, fixed hoop can be fixed support to pressure-tapping pipe, improve the stability of pressure-tapping pipe.

[0006] The utility model discloses in order to realize above-mentioned purpose, provide following technical scheme: a kind of anticorrosive wear-resistant self force type pressure regulating valve, including first protective shell, valve body and pressure-tapping pipe, the inside of first protective shell is provided with valve body, the one end of valve body is provided with pressure-tapping pipe, the side of first protective shell is rotatably provided with second protective shell, the both sides of first protective shell are provided with fan, the inside of second protective shell is provided with multiple fixed blocks, every two of multiple fixed blocks are a group, the one end of every group fixed block is provided with arc block, the one end of arc block is provided with clamping block, the inside of first protective shell is provided with installation shell, clamping block and installation shell sliding fit connection, the both sides of second protective shell are slidably provided with connector, the one end of two connector is rotatably provided with fixed hoop, fixed hoop can be fixed support to pressure-tapping pipe.

[0007] Preferably, the inside of the installation shell is slidably provided with a clamping joint, and the one end of the clamping joint abuts on the top end face of the clamping block.

[0008] Preferably, the top end face of the clamping joint is provided with a guide rod, the outside of the guide rod is provided with a fixed sleeve, the guide rod is slidably connected in the inside of the fixed sleeve, the fixed sleeve is fixedly connected with the inner wall of the first protective shell, the bottom of the fixed sleeve is provided with a return spring on the outer circular surface of the guide rod, and the one end of the return spring abuts on the top end face of the clamping joint.

[0009] Preferably, the one end of the guide rod is provided with a pull rod, the outside of the pull rod is provided with a sliding block, the outside of the sliding block is provided with a sliding rail on the inner wall of the first protective shell, and the sliding block is slidably connected with the sliding rail.

[0010] Preferably, the side of the first protective shell is provided with a knob, the side of the knob is provided with a transmission rod, the one end of the transmission rod is provided with a driving block, and the driving block abuts on the bottom end face of the pull rod.

[0011] Preferably, two rubber sleeves are provided between the installation shell and the arc block, and the rubber sleeves are fixedly connected with the installation shell and the arc block, respectively.

[0012] Preferably, the outer surface of the second protective shell is rotationally provided with two rotary doors, and the surfaces of the two rotary doors are provided with observation openings.

[0013] Preferably, the bottom end surface of the first protective shell is provided with a hinge, and one end of the hinge is connected with the second protective shell.

[0014] Preferably, the two sides of the second protective shell are provided with sleeves, one end of each sleeve is rotationally provided with an adjusting nut, the inside of each sleeve is provided with a threaded rod, the adjusting nut is in threaded transmission connection with the threaded rod, and the threaded rod is fixedly connected with a connecting head.

[0015] Compared with the prior art, the beneficial effects of the scheme are as follows:

[0016] (1) The first protective shell and the second protective shell are buckled by rotation through the arrangement of the first protective shell, the second protective shell, the hinge and the clamping block, and the valve body is protected, so that the valve body is prevented from being damaged by external pressure, the service life of the valve body is improved, and the first protective shell and the second protective shell can be quickly fixed and installed through the clamping block, so that the efficiency of installation and disassembly is improved.

[0017] (2) The length of the connecting head can be adjusted through the arrangement of the adjusting nut, the threaded rod, the connecting head and the fixed clamp, so that the fixed clamp at one end can adapt to pressure taking pipes in various positions, the adaptability of the device is improved, the pressure taking pipe can be fixed and supported through the arrangement of the fixed clamp, and the stability of the pressure taking pipe is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a perspective view of the utility model;

[0019] Figure 2 is a first perspective view of a first protective shell part;

[0020] Figure 3 is an elevation view of the first protective shell part;

[0021] Figure 4 is Figure 3 is a sectional view of the utility model at A-A;

[0022] Figure 5 is Figure 4 is an enlarged view of part B;

[0023] Figure 6 is Figure 4 is an enlarged view of part C;

[0024] Figure 7 is a second perspective view of the first protective shell part;

[0025] Figure 8 For Figure 1 a local enlarged view at D;

[0026] In the figure: first protective shell 10, second protective shell 11, fan 13, pressure tapping pipe 14, rotating door 15, observation port 16, hinge 17, valve body 18, mounting shell 19, guide rod 20, fixing sleeve 21, pull rod 22, clamping joint 23, return spring 24, clamping block 25, arc block 26, fixing block 27, rubber sleeve 28, sliding block 29, sliding rail 30, knob 31, sleeve 32, adjusting nut 33, threaded rod 34, connecting head 35, fixed clamp 36, transmission rod 37, driving block 38. DETAILED DESCRIPTION

[0027] In order to make the person skilled in the art better understand the technical scheme of the present application, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application.

[0028] Reference Figure 1 and Figure 2 , a corrosion-resistant and wear-resistant self-operated pressure regulating valve, comprising a first protective shell 10, the inside of the first protective shell 10 is provided with a valve body 18, one end of the valve body 18 is provided with a pressure tapping pipe 14, one side of the first protective shell 10 is rotatably provided with a second protective shell 11, both sides of the first protective shell 10 are provided with fans 13, the fans 13 can be used to dry the inside of the first protective shell 10, preventing moisture from condensing on the surface of the valve body 18, corroding the valve body 18, thereby improving the corrosion resistance and service life of the valve body 18, the outer surface of the second protective shell 11 is rotatably provided with two rotating doors 15, the surfaces of the two rotating doors 15 are provided with observation ports 16, the observation ports 16 are transparent glass material, the observation ports 16 can be used to directly observe the inside of the second protective shell 11, facilitating the control of the running state of the valve body 18, timely maintenance of the valve body 18, and improvement of the service life of the device, the bottom end face of the first protective shell 10 is provided with a hinge 17, one end of the hinge 17 is connected with the second protective shell 11, the second protective shell 11 is rotatably connected with the first protective shell 10 through the hinge 17, the hinge 17 can be used to quickly buckle the second protective shell 11 and the first protective shell 10, improving the installation efficiency.

[0029] Further, reference Figure 3 , Figure 4 and Figure 5The interior of the second protective shell 11 is provided with a plurality of fixing blocks 27, every two of which form a group, one end of each group of fixing blocks 27 is provided with an arc-shaped block 26, one end of the arc-shaped block 26 is provided with a clamping block 25, one end of the clamping block 25 is provided with a protrusion, the interior of the first protective shell 10 is provided with a mounting shell 19, the interior of the mounting shell 19 is provided with an L-shaped sliding groove, the clamping block 25 is in sliding fit connection with the sliding groove in the interior of the mounting shell 19, the interior of the mounting shell 19 is slidingly provided with a clamping joint 23, one end of the clamping joint 23 abuts against the top end face of the clamping block 25, the bottom end of the clamping joint 23 is provided with an inclined surface, when the clamping block 25 slides into the interior of the mounting shell 19, the clamping joint 23 will be pressed on one end of the inclined surface, so that the clamping joint 23 moves upward, after the clamping block 25 passes through the clamping joint 23, the clamping joint 23 falls and abuts against one side of the protrusion of the clamping block 25, so as to block the clamping block 25 from being separated from the mounting shell 19, thereby clamping the clamping block 25 and improving the installation speed.

[0030] Further, referring to Figure 1 and Figure 8 , both sides of the second protective shell 11 are provided with sleeves 32, one end of each of the plurality of sleeves 32 is rotatably provided with an adjusting nut 33, the interior of each of the plurality of sleeves 32 is provided with a threaded rod 34, the adjusting nut 33 is in threaded transmission connection with the threaded rod 34, the threaded rod 34 can be driven to move outward by rotating the adjusting nut 33, the threaded rod 34 is fixedly connected with a connecting head 35, the threaded rod 34 will drive the connecting head 35 to move after moving, one end of the connecting head 35 is rotatably provided with a fixed clamp 36, the fixed clamp 36 can adapt to pressure taking pipes 14 of various specifications by setting the threaded rod 34, thereby improving the flexibility of the device as a whole, a plurality of fixed clamps 36 can be buckled on the exterior of the pressure taking pipe 14 to fixedly support the pressure taking pipe 14 and improve the stability of the pressure taking pipe 14.

[0031] Further, referring to Figure 3 , Figure 4 , Figure 5 and Figure 6The top end face of the clamping joint 23 is provided with a guide rod 20. The guide rod 20 can limit the moving direction of the clamping joint 23, so as to prevent the clamping joint 23 from tilting when moving, improve the service life of the device, and the outside of the guide rod 20 is provided with a fixing sleeve 21. The inside of the fixing sleeve 21 is hollow, the guide rod 20 is slidably connected in the inside of the fixing sleeve 21, the fixing sleeve 21 is fixedly connected with the inner wall of the first protective shell 10, the bottom of the fixing sleeve 21 is provided with a reset spring 24 on the outer circular face of the guide rod 20, one end of the reset spring 24 abuts on the top end face of the clamping joint 23, the clamping joint 23 is lifted by the clamping block 25 and moves upward, the reset spring 24 is compressed in the moving process, so that the reset spring 24 is shortened, when the protrusion of the clamping block 25 moves to one side of the inclined surface of the clamping joint 23, the reset spring 24 restores due to elastic potential, and pushes the bottom clamping joint 23 to abut on the top end face of the clamping block 25 and one side of the protrusion of the clamping block 25, so as to block the movement of the clamping block 25, fix the position of the clamping block 25, and achieve the effect of fixing the second protective shell 11.

[0032] Further, referring to Figure 3 , Figure 4 , Figure 5 and Figure 6 , one end of the guide rod 20 is provided with a pull rod 22, the pull rod 22 is C-shaped as a whole, two ends are fixedly connected with one end of the two pull rods 22 respectively, the outside of the pull rod 22 is provided with a sliding block 29, the outside of the sliding block 29 is provided with a sliding rail 30 on the inner wall of the first protective shell 10, the sliding block 29 is slidably connected with the sliding rail 30, the movement direction of the pull rod 22 can be limited by the sliding block 29 and the sliding rail 30, so that the pull rod 22 can only move up and down, so as to drive the two guide rods 20 to move upward, so that the guide rod 20 drives the clamping joint 23 at the bottom end to move upward, so that the clamping block 25 can be separated from the clamping of the clamping joint 23, the second protective shell 11 is rotated, so that the clamping block 25 is separated from the inside of the mounting shell 19, thereby improving the disassembly efficiency.

[0033] Further, referring to Figure 3 , Figure 4 and Figure 7 , one side of the first protective shell 10 is provided with a knob 31, one side of the knob 31 is provided with a transmission rod 37, one end of the transmission rod 37 is provided with a driving block 38, the driving block 38 is elliptical as a whole, the driving block 38 abuts on the bottom end face of the pull rod 22, the driving block 38 can be rotated by the transmission rod 37 by rotating the knob 31, when the driving block 38 rotates, the two shafts begin to rotate around the transmission rod 37, and push the top pull rod 22 to move upward, so as to release the clamping effect of the clamping block 25, the knob 31 can be provided to quickly contact the second protective shell 11, so as to improve the disassembly efficiency, so that the device as a whole is more convenient to disassemble and maintain.

[0034] Further, with reference to Figure 3 , Figure 4 and Figure 5 , two rubber sleeves 28 are arranged between the mounting shell 19 and the arc-shaped block 26, the plurality of rubber sleeves 28 are respectively fixedly connected with the mounting shell 19 and the arc-shaped block 26, the rubber sleeve 28 is arc-shaped as a whole, the rubber sleeve 28 is in contact with the two sides of the pipeline of the valve body 18 when the second protective shell 11 rotates, and the rubber sleeve 28 can prevent the arc-shaped block 26 from injuring the pipeline and improve the sealing degree of the second protective shell 11 and the pipeline.

[0035] In use, the rubber sleeve 28 on one side of the first protective shell 10 is abutted on the outer surface of the pipeline on both sides of the valve body 18, then the second protective shell 11 is rotated, the arc-shaped block 26 in the second protective shell 11 drives the clamping block 25 to move, the clamping block 25 enters the inside of the mounting shell 19 when moving, the clamping block 25 pushes the inclined surface of the clamping joint 23 when moving, so that the clamping joint 23 moves upward, the clamping joint 23 pushes and extrudes the reset spring 24 on the top end surface when moving upward, the reset spring 24 restores due to elastic potential when the protrusion of the clamping block 25 abuts on the inner wall of the mounting shell 19, and the clamping joint 23 is reset downward, so that the clamping joint 23 abuts on one side of the protrusion of the clamping block 25, preventing the clamping block 25 from sliding, and clamping the clamping block 25.

[0036] Then the adjusting nut 33 is rotated to drive the threaded rod 34 to extend, the threaded rod 34 drives the connecting head 35 on one side to move when moving, the connecting head 35 drives the external fixed clamp 36 to move, so that the fixed clamp 36 can adapt to the pressure taking pipe 14 in various positions, thereby improving the flexibility of the whole device, then the fixed clamp 36 is used to fix and support the pressure taking pipe 14, thereby improving the stability of the pressure taking pipe 14.

[0037] When the valve body 18 is disassembled and repaired, the knob 31 on one side of the first protective shell 10 is rotated to drive the driving block 38 to rotate through the transmission rod 37, the driving block 38 drives the pull rod 22 to move upward when rotating, so that the pull rod 22 pulls the guide rods 20 at both ends to move upward, and the clamping joint 23 at the bottom end of the guide rod 20 moves upward, so that the clamping block 25 is separated from the abutment of the clamping joint 23, then the second protective shell 11 is rotated to drive the arc-shaped block 26 to move, and the clamping block 25 is extended from the inside of the mounting shell 19 through the clamping block 25, thereby completing the disassembly.

[0038] As used in the specification and claims, certain terms have particular meanings. Those of skill in the art will understand that one or more embodiments described herein can use terminology particular to certain technologies. It is not intended that the description be limited to the embodiments described herein, but rather that the present application be given the broadest possible interpretation within its scope, consistent with the teachings provided herein and the patent statutes. As used in the specification and claims, the singular forms "a," "an" and "the" include plural references unless the context clearly dictates otherwise. "Approximately" means within 10% of the value stated.

[0039] It is to be understood that the terms "including", "comprising", "consisting" and "consisting essentially of" or any variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises, has, or consists of, any feature listed herein can include, but is not limited to, other features not listed. It is intended that the article "a" or "an" precede singular elements of the claims, and "the" precede plural elements of the claims unless the context clearly indicates otherwise. Thus, the articles are to be construed as non-limiting unless their intended meaning is clear from the context.

[0040] The above specification and examples provide a complete description of the application. Since many embodiments of the application can be made without departing from the spirit and scope of the application, certain aspects of the application reside in the claims hereinafter appended.

Claims

1. A corrosion and wear resistant self-contained pressure regulating valve comprising a first protective casing (10), a valve body (18) and a pressure tapping tube (14), characterized in that, The inside of the first protective shell (10) is provided with a valve body (18), one end of the valve body (18) is provided with a pressure tapping pipe (14), one side of the first protective shell (10) is rotatably provided with a second protective shell (11), both sides of the first protective shell (10) are provided with a fan (13), the inside of the second protective shell (11) is provided with a plurality of fixing blocks (27), every two of the fixing blocks (27) are a group, one end of each group of fixing blocks (27) is provided with an arc block (26), one end of the arc block (26) is provided with a clamping block (25), the inside of the first protective shell (10) is provided with a mounting shell (19), the clamping block (25) and the mounting shell (19) are slidably connected, both sides of the second protective shell (11) are slidably provided with a connecting head (35), one end of each of the two connecting heads (35) is rotatably provided with a fixed hoop (36), the fixed hoop (36) can fixedly support the pressure tapping pipe (14).

2. A corrosion and wear resistant, self-contained pressure regulating valve according to claim 1, characterized in that The inside of the mounting shell (19) is slidably provided with a clamping head (23), one end of the clamping head (23) abuts against the top end face of the clamping block (25).

3. A corrosion and wear resistant, self-contained pressure regulating valve according to claim 2, characterized in that The top end face of the clamping head (23) is provided with a guide rod (20), the outside of the guide rod (20) is provided with a fixed sleeve (21), the guide rod (20) is slidably connected in the inside of the fixed sleeve (21), the fixed sleeve (21) is fixedly connected with the inner wall of the first protective shell (10), the bottom of the fixed sleeve (21) is provided with a reset spring (24) on the outer circular face of the guide rod (20), one end of the reset spring (24) abuts against the top end face of the clamping head (23).

4. A corrosion and wear resistant, self-contained pressure regulating valve according to claim 3, characterized in that One end of the guide rod (20) is provided with a pull rod (22), the outside of the pull rod (22) is provided with a sliding block (29), the outside of the sliding block (29) is provided with a sliding rail (30) on the inner wall of the first protective shell (10), the sliding block (29) and the sliding rail (30) are slidably connected.

5. A corrosion and wear resistant, self-contained pressure regulating valve according to claim 1, wherein One side of the first protective shell (10) is provided with a knob (31), one side of the knob (31) is provided with a transmission rod (37), one end of the transmission rod (37) is provided with a driving block (38), the driving block (38) abuts against the bottom end face of the pull rod (22).

6. A corrosion and wear resistant, self-contained pressure regulating valve according to claim 1, wherein Two rubber sleeves (28) are arranged between the mounting shell (19) and the arc block (26), the rubber sleeves (28) are fixedly connected with the mounting shell (19) and the arc block (26) respectively.

7. A corrosion and wear resistant, self-contained pressure regulating valve according to claim 1, wherein The outer surface of the second protective shell (11) is rotatably provided with two rotating doors (15), the surfaces of the two rotating doors (15) are both provided with an observation port (16).

8. A corrosion and wear resistant, self-contained pressure regulating valve according to claim 1, wherein The bottom end face of the first protective shell (10) is provided with a hinge (17), one end of the hinge (17) is connected with the second protective shell (11). The bottom end face of the first protective shell (10) is provided with a hinge (17), one end of the hinge (17) is connected with the second protective shell (11).

9. A corrosion and wear resistant, self-contained pressure regulating valve according to claim 1, wherein Both sides of the second protective shell (11) are provided with sleeves (32), one end of the sleeve (32) is rotatably provided with an adjusting nut (33), the inside of the sleeve (32) is provided with a threaded rod (34), the adjusting nut (33) and the threaded rod (34) are in threaded transmission connection, and the threaded rod (34) is fixedly connected with a connecting head (35).

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