Pressure regulating valve

Abstract

The utility model discloses a pressure regulating valve, and relates to the technical field of regulating valves. The adjusting valve comprises an adjusting valve body, flange plates used for connection are installed at the two ends of a pipeline of the adjusting valve body, two symmetrically-distributed installation grooves are formed in the positions, close to the flange plates, of the inner wall of the adjusting valve body, and the installation grooves are vertically and symmetrically distributed. The filter screen in the mounting frame filters impurities in water, the filter screen is a steel fine screen, the impurities are prevented from entering the center of the regulating valve body to affect components of the regulating valve body, meanwhile, when water flow passes through, the arranged impeller can rotate along with the passing of the water flow, the rotating impeller drives the rotating rod to rotate, and the water flow is prevented from entering the regulating valve body. The rotating rod drives the flexible scraping plate fixedly arranged at the end to rotate, at the moment, the flexible scraping plate is driven to clean the face, making contact with impurities, of the filter screen and clean the impurities attached to the filter screen, and the situation that normal drainage of water flow is affected due to long-time blockage is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of governing valve, concretely is a pressure governing valve. BACKGROUND

[0002] Pressure governing valve is a kind of intuitive simple flow regulating control device, the flow regulating valve applied in pipe network can directly set flow according to design, valve can be under the action of water, automatically eliminate the flow deviation caused by residual pressure head and pressure fluctuation of pipeline, no matter how the system pressure changes, keep the set flow unchanged, the functions of pressure governing valve make pipe network flow regulation complete once, effectively solve the hydraulic imbalance of pipe network;

[0003] Now the pressure governing valve prevents the impurity in water from entering the governing valve core to cause inconvenience when using, usually will set filter screen and isolate it, but now filter screen is installed with the governing valve, needs to wait until the governing valve is overhauled to clean the garbage on it with a long time, so that the flow of governing valve is reduced by the obstruction of garbage on filter screen, normal use is affected.

[0004] In view of the above problem, the inventor provides a pressure governing valve to solve the above problem. UTILITY MODEL CONTENTS

[0005] To solve the problem that the garbage of the set filter screen cannot be cleaned in time, the utility model aims at providing a pressure governing valve.

[0006] To solve the above technical problem, the utility model adopts the following technical scheme: a pressure governing valve, including governing valve body, the both ends of governing valve body pipeline are provided with flange plate for connection, two symmetrically distributed installation grooves are arranged on the inner wall of governing valve body close to flange plate, the installation grooves are symmetrically distributed upwards and downwards, the installation plate is slidably installed in the installation groove, the installation frame is fixedly arranged between the two installation plates, the filter screen is fixedly installed in the middle of installation frame, the connecting rod is fixedly arranged on the end of two adjacent installation plates and is vertically arranged, the connecting plate is fixedly arranged between the two connecting rods, the horizontal rotating rod is rotatably arranged in the middle of connecting plate, the rotating rod penetrates the middle end of filter screen at the end away from connecting plate, two groups of impellers are fixedly arranged on the rotating rod, and the flexible scraper for cleaning filter screen is fixedly arranged on the end of rotating rod close to filter screen.

[0007] Preferably, the filter screen is made of steel precision screen.

[0008] Preferably, the installation frame is provided with rubber sealing gasket, and the rubber sealing gasket is tightly abutted on the inner wall of the pipeline of the governing valve body.

[0009] Preferably, sealing rings are fixed on both sides of the rotating rod above the filter screen.

[0010] Preferably, a clamping rod is movably inserted at the top end of the connecting rod, a clamping groove corresponding to the clamping rod is formed in the mounting groove, the clamping rod is inserted into the clamping groove, a rotating block is rotatably arranged at the upper end of the connecting rod, a threaded groove is formed in the bottom of the clamping rod, the clamping rod is screwed through the rotating block through the threaded groove, and a friction strip is fixed to the outer wall of the rotating block.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] The filter screen in the mounting frame filters impurities in water, the steel precision screen is used for the filter screen, prevents impurities from entering the center position of the regulating valve body, and affects components, meanwhile, when water flows, the impeller arranged is rotated along with the passing of water flow, the rotating impeller drives the rotating rod to rotate, the rotating rod drives the flexible scraper fixedly arranged at the end to rotate, at this time, the flexible scraper is driven to clean the side of the filter screen in contact with impurities, and the impurities attached to the filter screen are cleaned, so that the normal discharge of water flow is avoided from being affected by long-time blockage. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without paying creative labor.

[0014] Figure 1 It is the whole structure schematic diagram of the utility model.

[0015] Figure 2 It is the regulating valve body pipeline inner wall structure schematic diagram of the utility model.

[0016] Figure 3 It is the mounting frame structure schematic diagram of the utility model.

[0017] Figure 4 It is the connecting rod inner wall structure schematic diagram of the utility model

[0018] In the drawing: 1, regulating valve body;12, flange plate;13, mounting groove;131, clamping groove;14, mounting plate;15, mounting frame;151, rubber sealing gasket;16, filter screen;17, connecting rod;18, connecting plate;19, impeller;2, rotating rod;21, sealing ring;22, flexible scraper;3, clamping rod;31, threaded groove;32, rotating block;33, friction strip. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] Example: Figures 1-4 As shown, the utility model provides a pressure regulating valve, including a regulating valve body 1, wherein flanges 12 for connection are installed at both ends of the regulating valve body 1 pipeline, and two symmetrically distributed mounting grooves 13 are opened on the inner wall of the regulating valve body 1 near the flange 12, and the mounting grooves 13 are symmetrically distributed up and down, and a mounting plate 14 is slidably installed in the mounting groove 13, and a mounting frame 15 is fixedly provided between the two mounting plates 14, and a filter screen 16 is fixedly installed at the middle end of the mounting frame 15, and a connecting rod 1 is fixedly provided perpendicularly to the end of the two adjacent mounting plates 14 away from the mounting frame 15. 7. A connecting plate 18 is fixed between the two connecting rods 17. A horizontally arranged rotating rod 2 is rotatably provided at the middle end of the connecting plate 18. The end of the rotating rod 2 away from the connecting plate 18 passes through the middle end of the filter screen 16. Two sets of impellers 19 are fixed on the rotating rod 2. When water flows through, the impellers 19 can be driven to rotate, thereby driving the rotating rod 2 to rotate. A flexible scraper 22 for cleaning the filter screen 16 is fixed at one end of the rotating rod 2 close to the filter screen 16. The flexible scraper 22 will be driven to clean the side of the filter screen 16 that contacts the impurities, and clean the impurities attached to the filter screen 16 to avoid long-term blockage affecting the normal discharge of water.

[0021] The filter screen 16 is made of steel fine screen.

[0022] By adopting the above technical solution, the filter screen 16 has a certain hardness to prevent damage under the impact of water flow. At the same time, the filter screen 16 is a fine screen that can intercept and filter more impurities in the water.

[0023] A rubber sealing gasket 151 is provided on the outer wall of the installation frame 15 . The rubber sealing gasket 151 is fitted on the outer wall of the installation frame 15 and tightly abuts against the inner wall of the pipe of the regulating valve body 1 .

[0024] By adopting the above technical solution, the provided rubber sealing gasket 151 ensures the sealing between the mounting frame 15 and the inner wall of the pipeline of the regulating valve body 1 to prevent leakage.

[0025] Sealing rings 21 are fixedly provided on both sides of the filter screen 16 on the rotating rod 2 .

[0026] By adopting the above technical solution, the sealing ring 21 seals the end of the rotating rod 2 passing through the filter screen 16 to prevent impurities from leaking.

[0027] A clamping rod 3 is movably inserted into the top of the connecting rod 17 . A corresponding clamping slot 131 is opened in the installation slot 13 near the clamping rod 3 . The clamping rod 3 can be inserted into the clamping slot 131 .

[0028] By adopting the above technical solution, when the clamping rod 3 can be inserted into the clamping groove 131, the mounting plate 14, the connecting rod 17 and the mounting frame 15 can all be stably fixed in the pipeline of the regulating valve body 1, so that the filter screen 16 can normally filter and protect the components in the center of the regulating valve body 1.

[0029] A rotating block 32 is rotatably provided at the upper end of the connecting rod 17 , and a thread groove 31 is provided at the bottom of the clamping rod 3 . The clamping rod 3 is threadedly passed through the rotating block 32 through the thread groove 31 .

[0030] By adopting the above technical solution, the rotating block 32 is driven to rotate. At this time, the clamping rod 3 threadedly inserted on the rotating block 32 will move downward, so that the top end of the clamping rod 3 will be disengaged from the clamping slot 131, and the fixation of the mounting plate 14 will be cancelled. Subsequent staff can directly pull the mounting plate 14 to remove the entire device for replacement or maintenance, which is convenient for staff to operate.

[0031] A friction strip 33 is fixedly provided on the outer wall of the rotating block 32 .

[0032] By adopting the above technical solution, the friction strip 33 can increase the friction force, making it easier for the staff to drive the rotating block 32 to rotate, so that the rotating block 32 drives the clamping rod 3 to move up and down.

[0033] Working principle: when using, the adjusting valve body 1 is connected with the required pipeline, when the water flow in the pipeline passes, the filter screen 16 in the mounting frame 15 will filter the impurities in the water, the filter screen 16 adopts steel precision screen, so that the filter screen 16 has certain rigidity, prevents damage under the impact of water flow, meanwhile the filter screen 16 is precision screen, can intercept and filter more impurities in the water, prevents the impurities from entering the center position of the adjusting valve body 1, affects the components, meanwhile when the water flow passes, the impeller 19 arranged can rotate with the passing of water flow, the rotating impeller 19 will drive the rotating of the rotating rod 2, the rotating rod 2 will drive the rotating of the flexible scraper 22 fixedly arranged at the end, at this time the flexible scraper 22 will be driven to clean the side of the filter screen 16 contacted with the impurities, cleans the impurities attached to the filter screen 16, avoids the long-time blockage affecting the normal discharge of water flow, when the staff overhauls the adjusting valve body 1, the rotating block 32 can be driven to rotate through the friction strip 33, at this time the clamping rod 3 threaded on the rotating block 32 will move downwards, so that the top end of the clamping rod 3 is separated from the clamping groove 131, cancels the fixation of the mounting plate 14, the staff can directly pull the mounting plate 14 to take down the device as a whole, carries out replacement or maintenance, facilitates the operation of the staff.

[0034] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the present application claims and their equivalent technologies, the present application also intends to include these modifications and variations.

Claims

1. A pressure regulating valve comprising a regulating valve body (1), characterized in that: The flange plates (12) for connection are arranged on both ends of the pipeline of the adjusting valve body (1), two symmetrically arranged installation grooves (13) are arranged on the inner wall of the adjusting valve body (1) near the flange plates (12), the installation grooves (13) are symmetrically arranged in up-down direction, the installation plates (14) are slidably arranged in the installation grooves (13), the installation frame (15) is fixedly arranged between the two installation plates (14), the filter screen (16) is fixedly arranged in the middle end of the installation frame (15), the filter screen (16) is made of steel precision screen, the connecting rods (17) are fixedly arranged on the ends of the two installation plates (14) away from the installation frame (15) and are arranged perpendicularly to the installation frame (15), the connecting plate (18) is fixedly arranged between the two connecting rods (17), the rotating rod (2) is rotatably arranged in the middle end of the connecting plate (18) and is arranged horizontally, the rotating rod (2) penetrates through the middle end of the filter screen (16) and is arranged away from the connecting plate (18), the two groups of impellers (19) are fixedly arranged on the rotating rod (2), the flexible scraper (22) is fixedly arranged on the end of the rotating rod (2) close to the filter screen (16) and is used for cleaning the filter screen (16).

2. A pressure regulating valve as claimed in claim 1, characterised in that The rubber sealing gasket (151) is arranged on the outer wall of the installation frame (15) and is tightly abutted against the inner wall of the pipeline of the adjusting valve body (1).

3. A pressure regulating valve as claimed in claim 2, characterised in that The sealing rings (21) are fixedly arranged on the rotating rod (2) on both sides of the filter screen (16).

4. A pressure regulating valve as claimed in claim 3, characterised in that The clamping rods (3) are movably arranged on the top ends of the connecting rods (17), the clamping grooves (131) are arranged in the installation grooves (13) near the clamping rods (3) and correspond to the clamping rods (3), and the clamping rods (3) are inserted into the clamping grooves (131).

5. A pressure regulating valve as claimed in claim 4, characterised in that The rotating blocks (32) are rotatably arranged on the upper ends of the connecting rods (17), the threaded grooves (31) are arranged on the bottoms of the clamping rods (3), and the clamping rods (3) are screwed through the threaded grooves (31) and the rotating blocks (32).

6. A pressure regulating valve according to claim 5, characterized in that: The friction strips (33) are fixedly arranged on the outer walls of the rotating blocks (32).

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