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

Abstract

The utility model belongs to the field of regulating valves, and particularly relates to a corrosion-resistant and wear-resistant self-operated pressure regulating valve which comprises a self-operated pressure regulating valve body, a wrapping shell assembly is installed on the outer side of the self-operated pressure regulating valve body and comprises a left shell and a right shell, the left shell is connected with the right shell, and the left shell is connected with the right shell. Movable sleeves are installed on the sides, away from each other, of the left shell and the right shell, a connecting pipe on the self-operated pressure regulating valve body penetrates through the corresponding movable sleeves, a sealing mechanism is arranged between the left shell and the right shell, a plurality of fixing frames are installed on the outer sides of the left shell and the right shell, and positioning mechanisms are arranged between the fixing frames and the left shell; and a pressing mechanism is arranged between the fixed frame and the right shell. The shell is reasonable in design, the right shell body and the left shell body can be extruded through the pressing plate, the left shell body and the right shell body can be fixedly connected, and meanwhile the sealing performance of connection of the left shell body and the right shell body can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of governing valve especially relates to a kind of anticorrosive wear-resistant self force type pressure regulating valve. BACKGROUND

[0002] Self force type pressure regulating valve is a kind of equipment without additional energy, can work in the occasion without electricity and gas, is convenient and energy-saving, internal pressure subsection range is fine and mutually intersected, and adjustment precision is high, self force type 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, so as to realize the adjustment of medium flow, pressure, temperature and liquid level, and self force type pressure regulating valve is corrosion-resistant and wear-resistant, and service life is long.

[0003] At present, the Chinese patent of a kind of anticorrosive wear-resistant self force type pressure regulating valve with announcement No.CN212107154U, including self force type pressure regulating valve main body, the top of self force type pressure regulating valve main body is installed with connecting rod, the outer side of connecting rod is installed with sliding cover, the bottom of self force type pressure regulating valve main body away from connecting rod two sides is installed with connecting flange, wherein;One side of connecting flange is connected with pipeline, pipeline is wrapped with fixed pipe on the outer side close to connecting flange, one end of fixed pipe close to connecting flange is installed with intercepting block, the outer side of intercepting block is connected with movable sleeve, one end of movable sleeve is fixed with wrapping shell, the bottom of wrapping shell is installed with screw ring, the top of wrapping shell away from screw ring is installed with splicing port, the side surface of wrapping shell is inlaid with air pressure gauge, the outer side of screw ring is wrapped with fastening sleeve.

[0004] In actual use, it is found that the anticorrosive wear-resistant self force type pressure regulating valve in actual use, the closed wrapping shell structure is mainly connected by the thread connection structure of bottom end mutual splicing, and there is no good fixing structure to make two wrapping shells tightly adhere to each other, the joint of wrapping shell is easy to appear small gap, and the gap often becomes larger after long time use, the wrapping shell structure with gap cannot play a good detection air tightness function when using, therefore, we propose a kind of anticorrosive wear-resistant self force type pressure regulating valve to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the shortcomings in the prior art and provides an anticorrosive wear-resistant self force type pressure regulating valve.

[0006] In order to achieve the above object, the utility model adopts the following technical scheme:

[0007] The utility model provides an anticorrosive and wear -resisting self -operated pressure regulating valve, including self -operated pressure regulating valve main part, the outside installation of self -operated pressure regulating valve main part is wrapped shell subassembly, the left casing and right casing are connected to the left casing and right casing,

[0008] The left casing and the right casing are provided with movable sleeves away from each other, and the connecting pipe on the self-operated pressure regulating valve body penetrates through the corresponding movable sleeve;

[0009] The left casing and the right casing are provided with a sealing mechanism, and a plurality of fixed frames are installed on the outer sides of the left casing and the right casing, a positioning mechanism is provided between the fixed frame and the left casing, and a pressing mechanism is provided between the fixed frame and the right casing.

[0010] Preferably, the sealing mechanism comprises a slot, a socket and a sealing pad, the slot is formed on one side of the left casing, the socket is fixedly installed on one side of the right casing, and the sealing pad is installed on the inner wall of the slot, and the socket is matched with the slot.

[0011] Preferably, a plurality of connecting seats one are fixedly installed on the inner wall of the left casing, and a plurality of connecting seats two are fixedly installed on the inner wall of the right casing, and the connecting seat one is connected with the connecting seat two.

[0012] Preferably, a positioning hole is formed in the connecting seat two, and a positioning rod is fixedly installed on one side of the connecting seat one, and the positioning rod is matched with the corresponding positioning hole.

[0013] Preferably, the pressing mechanism comprises a pressing plate and a limiting seat, the pressing plate is slidably installed on the inner wall of the fixed frame, the limiting seat is fixedly installed on one side of the pressing plate, and the limiting seat penetrates the fixed frame.

[0014] Preferably, a threaded hole is formed in the inner wall of one side of the fixed frame, a adjusting screw is screwedly installed in the threaded hole, one end of the adjusting screw is rotatably installed on the pressing plate, and the other end of the adjusting screw is fixedly installed with a knob.

[0015] Preferably, a fixed groove is formed in one side of the right casing, a fixed seat is installed on one side of the pressing plate, and the fixed seat is matched with the corresponding fixed groove.

[0016] Preferably, the positioning mechanism comprises a positioning slot and a positioning seat, the positioning slot is formed in the left casing, and the positioning seat is fixedly installed on the inner wall of the fixed frame, and the positioning seat is matched with the corresponding positioning slot.

[0017] The utility model discloses the beneficial effects of:

[0018] 1, the left shell and right shell are installed on both sides of the self-operated pressure regulating valve body, so that the socket can be inserted into the corresponding slot, and the positioning rod can be inserted into the corresponding positioning hole, so that the left shell and the right shell are preliminarily connected;

[0019] 2, the fixed frame is sleeved on the left shell and the right shell, the inner wall of the fixed frame is in contact with the left shell, the positioning seat can be inserted into the positioning groove, the compression plate can be extruded to the right shell through the cooperation of the knob, the adjusting screw, the threaded hole and the compression plate, the right shell can extrude the socket to the sealing gasket, the left shell and the right shell can be fixedly connected, and the sealing performance of the connection between the left shell and the right shell can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 A three-dimensional structure schematic diagram of a self-operated pressure regulating valve with corrosion and wear resistance is provided for the utility model;

[0021] Figure 2 A sectional three-dimensional structure schematic diagram of a self-operated pressure regulating valve with corrosion and wear resistance is provided for the utility model;

[0022] Figure 3 A structure schematic diagram of part A of a self-operated pressure regulating valve with corrosion and wear resistance is provided for the utility model;

[0023] Figure 4 A structure schematic diagram of part B of a self-operated pressure regulating valve with corrosion and wear resistance is provided for the utility model.

[0024] In the drawing: 1, self-operated pressure regulating valve body; 2, wrapping shell assembly; 201, left shell; 202, right shell; 3, movable sleeve; 4, socket; 5, sealing gasket; 6, connecting seat one; 7, connecting seat two; 8, positioning hole; 9, positioning rod; 10, fixed frame; 11, positioning mechanism; 12, compression plate; 13, limiting seat; 14, fixed groove; 15, fixed seat; 16, threaded hole; 17, adjusting screw; 18, knob; 19, slot. DETAILED DESCRIPTION

[0025] The technical scheme of the utility model will be described clearly and completely in combination with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0026] REFERENCE Figures 1-4The utility model provides a kind of anticorrosive wear-resistant self force pressure regulating valve, including self force pressure regulating valve main body 1, self force pressure regulating valve main body 1 The outside is equipped with wrapping shell component 2, wrapping shell component 2 includes left casing 201 and right casing 202, left casing 201 is connected with right casing 202, left casing 201 And right casing 202 are installed with movable sleeve 3 on the side away from each other, and the connecting pipe on self force pressure regulating valve main body 1 Penetrates corresponding movable sleeve 3, sealing mechanism is equipped between left casing 201 And right casing 202, and left casing 201 And right casing 202 are equipped with multiple fixed frames 10 outside, fixed frame 10 With left casing 201 Positioning mechanism 11 is equipped between, fixed frame 10 With right casing 202 Pressure mechanism is equipped between, and right casing 202 And left casing 201 can be extruded by the extrusion plate 12, left casing 201 And right casing 202 can be fixedly connected, the sealing performance of left casing 201 And right casing 202 are connected can be increased simultaneously.

[0027] In the embodiment, the sealing mechanism includes a slot 19, a socket 4 and a sealing gasket 5. The slot 19 is formed on one side of the left casing 201, the socket 4 is fixedly installed on one side of the right casing 202, and the sealing gasket 5 is installed on the inner wall of the slot 19. The socket 4 is matched with the slot 19. By providing the socket 4 and the slot 19, the left casing 201 and the right casing 202 can be connected and sealed.

[0028] In the embodiment, a plurality of connecting seats one 6 are fixedly installed on the inner wall of the left casing 201, and a plurality of connecting seats two 7 are fixedly installed on the inner wall of the right casing 202. The connecting seat one 6 is connected with the connecting seat two 7. The connecting seat two 7 is provided with a positioning hole 8. The connecting seat one 6 is fixedly installed with a positioning rod 9 on one side, and the positioning rod 9 is matched with the corresponding positioning hole 8. By the cooperation of the positioning rod 9 and the positioning hole 8, the left casing 201 and the right casing 202 can be positioned.

[0029] In the embodiment, the pressing mechanism comprises a pressing plate 12 and a limiting seat 13, the pressing plate 12 is slidingly installed on the inner wall of the two sides of the fixed frame 10, the one side of the pressing plate 12 is fixedly installed with the limiting seat 13, the limiting seat 13 penetrates the fixed frame 10, the inner wall of one side of the fixed frame 10 is provided with a threaded hole 16, the threaded hole 16 is threadedly installed with an adjusting screw 17, one end of the adjusting screw 17 is rotatably installed on the pressing plate 12, the other end of the adjusting screw 17 is fixedly installed with a knob 18, one side of the right shell 202 is provided with a fixed groove 14, one side of the pressing plate 12 is installed with a fixed seat 15, and the fixed seat 15 is matched with the corresponding fixed groove 14, the fixed seat 15 and the fixed groove 14 can increase the reinforcement of the right shell 202, the positioning mechanism 11 comprises a positioning groove and a positioning seat, the positioning groove is provided on the left shell 201, and the positioning seat is fixedly installed on the inner wall of the fixed frame 10 and matched with the corresponding positioning groove, and the positioning seat and the positioning groove can position the fixed frame 10.

[0030] In the utility model, the left shell 201 and the right shell 202 are installed on the two sides of the self-operated pressure regulating valve main body 1, the socket 4 can be inserted into the corresponding slot 19, and the positioning rod 9 can be inserted into the corresponding positioning hole 8, so that the left shell 201 and the right shell 202 are preliminarily connected, the fixed frame 10 is sleeved on the left shell 201 and the right shell, the inner wall of the fixed frame 10 is in contact with the left shell 201, the positioning seat can be inserted into the positioning groove, the knob 18 and the adjusting screw 17 are rotated, the adjusting screw 17 is moved under the action of the threaded hole 16, the adjusting screw 17 drives the pressing plate 12 to move, the pressing plate 12 extrudes the right shell 202, the right shell 202 drives the socket 4 to extrude the sealing gasket 5, the left shell 201 and the right shell 202 are fixedly connected, and the sealing performance of the connection between the left shell 201 and the right shell 202 is improved.

[0031] The self-operated pressure regulating valve is introduced in detail. The principle and implementation of the utility model are described in the paper, and the above examples are used to help understand the method and core idea of the utility model. It should be pointed out that the ordinary skilled in the art can make some improvements and modifications without departing from the principle of the utility model, and these improvements and modifications also fall within the protection scope of the utility model claims.

Claims

1. A corrosion-resistant and wear-resistant self-operated pressure regulating valve, characterized in that: The invention comprises a self-operated pressure regulating valve body (1), a wrapping shell assembly (2) is installed on the outer side of the self-operated pressure regulating valve body (1), the wrapping shell assembly (2) comprises a left shell (201) and a right shell (202), and the left shell (201) is connected to the right shell (202); A movable sleeve (3) is installed on the side of the left housing (201) and the right housing (202) that are away from each other, and the connecting pipe on the self-operated pressure regulating valve body (1) passes through the corresponding movable sleeve (3); A sealing mechanism is provided between the left shell (201) and the right shell (202), and a plurality of fixing frames (10) are installed on the outsides of the left shell (201) and the right shell (202), a positioning mechanism (11) is provided between the fixing frame (10) and the left shell (201), and a pressing mechanism is provided between the fixing frame (10) and the right shell (202).

2. The corrosion-resistant and wear-resistant self-operated pressure regulating valve according to claim 1, characterized in that: The sealing mechanism comprises a slot (19), a socket (4) and a sealing gasket (5); the slot (19) is opened on one side of the left shell (201); the socket (4) is fixedly mounted on one side of the right shell (202); and the sealing gasket (5) is mounted on the inner wall of the slot (19); the socket (4) is adapted to the slot (19).

3. The corrosion-resistant and wear-resistant self-operated pressure regulating valve according to claim 1, characterized in that: A plurality of connection seats 1 (6) are fixedly mounted on the inner wall of the left shell (201), and a plurality of connection seats 2 (7) are fixedly mounted on the inner wall of the right shell (202), and the connection seats 1 (6) and the connection seats 2 (7) are connected.

4. The corrosion-resistant and wear-resistant self-operated pressure regulating valve according to claim 3, characterized in that: The second connecting seat (7) is provided with a positioning hole (8), and a positioning rod (9) is fixedly installed on one side of the connecting seat (6), and the positioning rod (9) is adapted to the corresponding positioning hole (8).

5. The corrosion-resistant and wear-resistant self-operated pressure regulating valve according to claim 1, characterized in that: The clamping mechanism comprises a clamping plate (12) and a limiting seat (13); the clamping plate (12) is slidably mounted on the inner walls of both sides of the fixed frame (10); the limiting seat (13) is fixedly mounted on one side of the clamping plate (12), and the limiting seat (13) passes through the fixed frame (10).

6. The corrosion-resistant and wear-resistant self-operated pressure regulating valve according to claim 5, characterized in that: A threaded hole (16) is provided on the inner wall of one side of the fixing frame (10), and an adjusting screw (17) is installed with an internal thread of the threaded hole (16). One end of the adjusting screw (17) is rotatably installed on the pressing plate (12), and a knob (18) is fixedly installed on the other end of the adjusting screw (17).

7. The corrosion-resistant and wear-resistant self-operated pressure regulating valve according to claim 5, characterized in that: A fixing groove (14) is provided on one side of the right shell (202), and a fixing seat (15) is installed on one side of the pressing plate (12), and the fixing seat (15) is adapted to the corresponding fixing groove (14).

8. The corrosion-resistant and wear-resistant self-operated pressure regulating valve according to claim 1, characterized in that: The positioning mechanism (11) comprises a positioning groove and a positioning seat, wherein the positioning groove is provided on the left housing (201), the positioning seat is fixedly mounted on the inner wall of the fixing frame (10), and the positioning seat is adapted to the corresponding positioning groove.

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