Self-operated pressure regulating valve with protective structure

Abstract

The utility model discloses a self-operated pressure regulating valve with a protective structure, which comprises a valve body, two groups of inlets and outlets are fixedly mounted on the surface of the valve body, an actuating mechanism is fixedly mounted on the upper surface of the valve body, a protective shell is mounted on the surface of the actuating mechanism in a sleeving manner, and the protective shell is fixedly mounted on the upper surface of the valve body. The executing mechanism comprises a diaphragm capsule, a telescopic spring, a valve cylinder and a spring seat, the valve cylinder is fixedly installed on the upper surface of the spring seat, the diaphragm capsule is fixedly installed on the upper surface of the valve cylinder, and the surface of the valve cylinder is sleeved with the telescopic spring; the protective shell comprises an embedding groove, a first protective plate, a limiting groove, a rotary knob, a connecting shaft, a fixing plate, an embedding block and a second protective plate, and the connecting shaft is fixedly installed on the surface of the first protective plate. According to the self-operated pressure regulating valve with the protective structure, the executing mechanism can be protected, a medium entering the regulating valve can be filtered, and filtered impurities are convenient to clean.

Description

TECHNICAL FIELD

[0001] The utility model relates to the self -force type pressure regulating valve field especially relates to a self -force type pressure regulating valve with protection structure. BACKGROUND

[0002] Self -force type pressure regulating valve is a kind of intelligent valve without additional energy, rely on the pressure, temperature of medium flowing through valve inside as energy drive valve automatic operation, it does not need external power supply and secondary instrument, its working principle is to use the energy of controlled medium as power source, changes the flow area by actuator control valve core position, to make the pressure before valve or after valve stable at given value;

[0003] The utility model discloses a novel self -force type pressure regulating valve, "including diaphragm box and link disc, the diaphragm box is installed on the upper end outer wall of link disc, the link disc is provided with two, the utility model discloses a novel self -force type pressure regulating valve improves innovation on the basis of existing self -force type pressure regulating valve, so that the practical performance of self -force type pressure regulating valve greatly increases in actual work, guarantees the neat inside of regulating valve, ensures the smooth progress of regulating work, the utility model discloses a novel self -force type pressure regulating valve adds flow -through pipe, one -way cover, first flow -through hole, second flow -through hole, one -way piece, threaded rod and filter screen etc. UTILITY MODEL CONTENTS

[0004] The utility model discloses a self -force type pressure regulating valve with protection structure can effectively solve the problem in the background art.

[0005] To achieve the above -mentioned purpose, the technical scheme that the utility model adopts is as follows:

[0006] A self -force type pressure regulating valve with protection structure, including the valve body, the surface of valve body is fixedly installed with inlet and outlet, the inlet and outlet are two groups, the upper surface of valve body is fixedly installed with actuator, the surface of actuator is installed with protective housing.

[0007] Preferably, the actuating mechanism comprises a diaphragm box, an extension spring, a valve cylinder, a spring seat, the upper surface of the spring seat is fixedly provided with the valve cylinder, the upper surface of the valve cylinder is fixedly provided with the diaphragm box, and the surface of the valve cylinder is sleeved with the extension spring.

[0008] Preferably, the protective shell comprises an embedding groove, a first protective plate, a limiting groove, a knob, a connecting shaft, a fixed plate, an embedding block and a second protective plate, the surface of the first protective plate is fixedly provided with the connecting shaft, the connecting shaft is three groups, the surface of one side of the connecting shaft is movably provided with the knob, the front surface of the first protective plate is provided with the embedding groove on one side, the front surface of the first protective plate is hingedly provided with the second protective plate, the rear surface of the second protective plate is fixedly provided with the embedding block on one side, the surface of the second protective plate is movably provided with the fixed plate, the fixed plate is three groups, the surface of one side of the fixed plate is provided with the limiting groove, and the embedding block is embeddedly arranged in the embedding groove.

[0009] Preferably, the embedding groove is sleeved on the surface of the valve cylinder and above the spring seat.

[0010] Preferably, the inlet and outlet comprise a connecting flange, a connecting pipeline, a handle, a filter screen, a connecting rod, a cleaning brush and a through hole, the surface of one side of the connecting pipeline is fixedly provided with the connecting flange, the surface of the connecting flange is provided with the through hole, the connecting rod is embeddedly arranged in the through hole, the upper surface of the connecting rod is fixedly provided with the handle, the lower surface of the connecting rod is fixedly provided with the cleaning brush, and the filter screen is embeddedly arranged in the connecting flange and on one side of the connecting rod.

[0011] Preferably, the connecting pipeline is fixedly arranged on the surface of the valve body, and the spring seat is fixedly arranged on the upper surface of the valve body.

[0012] Compared with the prior art, the utility model has the advantages of the following beneficial effects:

[0013] 1: through the first protective plate, the second protective plate, the actuating mechanism can be protected, thereby the safety performance of the regulating valve is improved;

[0014] 2: through the first protective plate, the knob, the connecting shaft and the fixed plate, the first protective plate and the second protective plate can be quickly disassembled, and the maintenance is facilitated;

[0015] 3: through the connecting rod, the cleaning brush and the filter screen, the medium passing through the valve body can be filtered, and the filter screen is convenient to clean. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure schematic view of the utility model discloses a self -operated pressure regulating valve with protection structure;

[0017] Figure 2 It is the first protection plate internal schematic view of the self force type pressure regulating valve with protection structure of the utility model;

[0018] Figure 3 It is the first protection plate sectional view of the self force type pressure regulating valve with protection structure of the utility model;

[0019] Figure 4 It is the protection shell detail view of the self force type pressure regulating valve with protection structure of the utility model;

[0020] Figure 5 It is the connecting flange sectional view of the self force type pressure regulating valve with protection structure of the utility model.

[0021] In the drawing: 1, actuating mechanism;101, diaphragm box;102, telescopic spring;103, valve cylinder;104, spring seat;2, protection shell;201, embedded groove;202, first protection plate;203, limiting groove;204, knob;205, connecting shaft;206, fixed plate;207, embedded block;208, second protection plate;3, inlet and outlet;301, connecting flange;302, connecting pipeline;303, handle;304, filter screen;305, connecting rod;306, cleaning brush;307, through hole;4, valve body. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific embodiments. Obviously, the described embodiments are only some of the embodiments of the utility model, not all. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0023] As Figures 1-5 shown, a self force type pressure regulating valve with protection structure, comprising a valve body 4, the surface of the valve body 4 is fixedly installed with inlet and outlet 3, the inlet and outlet 3 are two groups, the upper surface of the valve body 4 is fixedly installed with actuating mechanism 1, the surface of the actuating mechanism 1 is sleeved and installed with protection shell 2;

[0024] In a preferred embodiment, the actuating mechanism 1 comprises diaphragm box 101, telescopic spring 102, valve cylinder 103 and spring seat 104, the upper surface of the spring seat 104 is fixedly installed with valve cylinder 103, the upper surface of the valve cylinder 103 is fixedly installed with diaphragm box 101, and the surface of the valve cylinder 103 is sleeved and installed with telescopic spring 102.

[0025] In a preferred implementation, the protective shell 2 comprises an embedded groove 201, a first protective plate 202, a limiting groove 203, a knob 204, a connecting shaft 205, a fixed plate 206, an embedded block 207, a second protective plate 208, the surface of the first protective plate 202 is fixedly installed with the connecting shaft 205, the connecting shaft 205 is three groups, the surface of one side of the connecting shaft 205 is movably installed with the knob 204, the front surface of the first protective plate 202 is provided with the embedded groove 201 on one side, the front surface of the first protective plate 202 is hingedly connected with the second protective plate 208, the second protective plate 208 is movably installed with the fixed plate 206 on the surface, the fixed plate 206 is three groups, the surface of one side of the fixed plate 206 is provided with the limiting groove 203, the embedded block 207 is embeddedly installed in the embedded groove 201, the connecting shaft 205 is embeddedly installed in the limiting groove 203, the volume of the first protective plate 202 is smaller than the limiting groove 203, and when the knob 204 is rotated to be parallel to the limiting groove 203, the knob 204 can pass through the limiting groove 203.

[0026] In a preferred implementation, the embedded groove 201 is sleevedly installed on the surface of the valve cylinder 103 and above the spring seat 104.

[0027] When the second protective plate 208 needs to be opened, the knob 204 can be directly rotated to move the knob 204 in the limiting groove 203, rotate the fixed plate 206 to move the fixed plate 206 away from the first protective plate 202, and the second protective plate 208 can be opened.

[0028] In a preferred implementation, the inlet and outlet 3 comprises a connecting flange 301, a connecting pipeline 302, a handle 303, a filter screen 304, a connecting rod 305, a cleaning brush 306, and a through hole 307, the surface of one side of the connecting pipeline 302 is fixedly installed with the connecting flange 301, the surface of the connecting flange 301 is provided with the through hole 307, the inside of the through hole 307 is provided with a sealing ring to avoid leakage, the inside of the through hole 307 is embeddedly installed with the connecting rod 305, the upper surface of the connecting rod 305 is fixedly installed with the handle 303, the lower surface of the connecting rod 305 is fixedly installed with the cleaning brush 306, and the inside of the connecting flange 301 is embeddedly installed with the filter screen 304 on one side of the connecting rod 305.

[0029] In a preferred implementation, the connecting pipeline 302 is fixedly installed on the surface of both sides of the valve body 4, and the spring seat 104 is fixedly installed on the upper surface of the valve body 4.

[0030] In daily use, the handle 303 can be moved up and down, so that the connecting rod 305 drives the cleaning brush 306 to clean the filter screen 304.

[0031] The preferred embodiments of the utility model are merely used for limiting the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A self-operated pressure regulating valve with a protective structure, characterized in that: The valve body (4) includes an inlet and outlet (3) fixedly installed on its surface. The inlet and outlet (3) are in two sets. An actuator (1) is fixedly installed on the upper surface of the valve body (4). A protective shell (2) is fitted on the surface of the actuator (1).

2. The self-operated pressure regulating valve with a protective structure according to claim 1, characterized in that: The actuator (1) includes a diaphragm (101), a telescopic spring (102), a valve cylinder (103), and a spring seat (104). The valve cylinder (103) is fixedly installed on the upper surface of the spring seat (104), the diaphragm (101) is fixedly installed on the upper surface of the valve cylinder (103), and the telescopic spring (102) is sleeved on the surface of the valve cylinder (103).

3. A self-operated pressure regulating valve with a protective structure according to claim 2, characterized in that: The protective shell (2) includes an embedding groove (201), a first protective plate (202), a limiting groove (203), a knob (204), a connecting shaft (205), a fixing plate (206), an embedding block (207), and a second protective plate (208). The connecting shaft (205) is fixedly installed on the surface of the first protective plate (202). There are three sets of connecting shafts (205). A knob (204) is movably installed on one side surface of each connecting shaft (205). The front surface of the first protective plate (202) has an embedding groove (201) on one side. The front surface of the first protective plate (202) is hinged to the second protective plate (208). The rear surface of the second protective plate (208) is fixedly installed on one side with an embedding block (207). The surface of the second protective plate (208) is movably installed with a fixing plate (206). There are three sets of fixing plates (206). Each fixing plate (206) has a limiting groove (203) on one side surface. The embedding block (207) is embedded in the embedding groove (201). The connecting shaft (205) is embedded in the limiting groove (203).

4. A self-operated pressure regulating valve with a protective structure according to claim 3, characterized in that: The embedding groove (201) is fitted onto the surface of the valve cylinder (103) and is located above the spring seat (104).

5. A self-operated pressure regulating valve with a protective structure according to claim 4, characterized in that: The inlet / outlet (3) includes a connecting flange (301), a connecting pipe (302), a handle (303), a filter screen (304), a connecting rod (305), a cleaning brush (306), and a through hole (307). The connecting flange (301) is fixedly installed on one side surface of the connecting pipe (302). The connecting flange (301) has a through hole (307) on its surface. The connecting rod (305) is embedded in the through hole (307). The handle (303) is fixedly installed on the upper surface of the connecting rod (305). The cleaning brush (306) is fixedly installed on the lower surface of the connecting rod (305). The filter screen (304) is embedded in the connecting flange (301) on one side of the connecting rod (305).

6. A self-operated pressure regulating valve with a protective structure according to claim 5, characterized in that: The connecting pipes (302) are fixedly installed on both sides of the valve body (4), and the spring seat (104) is fixedly installed on the upper surface of the valve body (4).

Images