Pressure regulating valve

Abstract

The utility model relates to the technical field of pressure regulating valves, and discloses a pressure regulating valve which comprises a valve body main seat and a regulating assembly arranged at the upper end of the valve body main seat, connecting assemblies are arranged at the two ends of the valve body main seat respectively, and a butt joint assembly is fixedly installed at one end of each connecting assembly in a threaded mode. When an operator conducts butt joint on the pressure regulating valve and a pipeline, a butt joint disc installed at one end of the butt joint pipeline directly drives an insertion pipe to be inserted into an inner cavity of a communication groove in one end of a flange disc, and the insertion pipe is rotated to drive a bidirectional threaded ring to be in threaded connection into an inner cavity of a threaded groove; and meanwhile, through the arrangement of the sealing layer, the sealing performance of connection between the butt-joint disc and the flange disc can be improved, the butt-joint disc and the flange disc do not need to be fixed independently through screws, and use is convenient and fast.

Description

TECHNICAL FIELD

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

[0002] Pressure regulating valve is a kind of intuitive simple flow regulating control device, generally by actuator and valve are composed, change medium flow, pressure, temperature, liquid level etc. process parameters by means of power operation, pressure regulating valve is applied flow regulating valve in pipe network, and flow can be directly set according to design, valve can be under water, automatically eliminate the flow deviation caused by residual pressure head and pressure fluctuation of pipeline, no matter how the system pressure changes, keep set flow unchanged.

[0003] Such as the application number for CN202420295188.6 a kind of pressure regulating valve, including valve seat main body, the upper portion of valve seat main body is provided with sleeve shell, the inner cavity of sleeve shell is symmetrically slidably sleeved with lower stabilizing plate and upper stabilizing plate, spring is installed between lower stabilizing plate and upper stabilizing plate, and dismounting assembly is arranged between lower stabilizing plate and upper stabilizing plate, dismounting assembly includes four telescopic rods that are annularly equidistantly hinged at the bottom end of upper stabilizing plate, the bottom end of four telescopic rods is fixedly connected with hook, and the top end of lower stabilizing plate is annularly equidistantly fixedly installed with four fixed rings.The utility model, by the setting of dismounting assembly, when the spring is replaced during the use of valve, the user removes sleeve shell from valve seat main body, then rotates hand wheel clockwise until lower stabilizing plate moves out from sleeve shell, the user removes four hooks from fixed ring respectively, so that the dismounting and replacement of spring can be realized, compared with traditional mode, convenient to assemble, facilitate the replacement and maintenance of spring.

[0004] The pressure regulating valve proposed in the above patent is connected with the pipeline when used, and the common connection mode is to use installation tools to tightly connect the two flanges together by bolts for tightening butt joint. This connection mode causes that the bolts fixedly installed on the flange plate need to be individually disassembled when the pipeline is installed or disassembled, which is relatively troublesome.

[0005] Therefore, we propose a pressure regulating valve to solve the above problems. INVENTION CONTENTS

[0006] The utility model aims at providing a kind of pressure regulating valve to solve the above background technology proposed pressure regulating valve in and pipeline connection use, common connection mode is to use installation tools, by bolt, two flanges are tightly connected together for tightening butt joint, the connection mode causes that the bolts fixedly installed on the flange plate need to be individually disassembled when the pipeline is installed or disassembled, which is relatively troublesome.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: a pressure regulating valve, including valve body main seat and setting control component on valve body main seat upper end, both ends of valve body main seat are provided with connecting assembly, one end of connecting assembly is fixedly installed with butt joint assembly, the outer surface of connecting assembly and butt joint assembly is fixed with protection assembly, the setting of protection assembly is suitable for improving the stability of connecting assembly and butt joint assembly connection;

[0008] The connecting assembly includes a flange plate and a communication groove formed in the middle of one end of the flange plate, and a sealing layer is embedded around the opening of the communication groove.

[0009] Preferably, the butt joint assembly includes a butt joint disc and an insertion pipe fixedly installed in the middle of one end of the butt joint disc, and a bidirectional threaded ring is fixedly installed around one end of the butt joint disc.

[0010] Preferably, the protection assembly includes a female fixing mechanism and a male fixing mechanism threadedly connected to one end of the female fixing mechanism.

[0011] Preferably, the female fixing mechanism includes a hollow circular block and a mounting thread formed on one side of the outer wall of the hollow circular block.

[0012] Preferably, a rotating ring is fixedly installed on one end of the outer surface of the first hollow circular block, and a first circular groove is formed in the middle of the inner cavity of the hollow circular block.

[0013] Preferably, the male fixing mechanism includes an internally threaded circular block and a butt joint ring fixedly installed on one end of the internally threaded circular block, and a second circular groove is formed in the middle of one end of the internally threaded circular block.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1. The operator inserts the insertion pipe of the butt joint disc installed on one end of the butt joint pipe into the inner cavity of the communication groove of the flange plate, threadedly connects the bidirectional threaded ring to the inner cavity of the threaded groove by rotating the insertion pipe, directly fixes and connects the butt joint disc and the flange plate, improves the sealing property of the connection between the butt joint disc and the flange plate through the sealing layer, and does not need to use screws to individually fix the butt joint disc and the flange plate, which is convenient to use.

[0016] 2. After the butt joint disc and the flange plate are installed, the valve body main seat is movably sleeved in the inner cavity of the first circular groove, the first hollow circular block is moved, the first hollow circular block wraps the flange plate and the connection between the butt joint disc and the flange plate, the second circular groove in the middle of one end of the internally threaded circular block passes through one end of the butt joint assembly, the internally threaded circular block and the first circular groove are threadedly connected and fixed, and the outer surfaces of the butt joint disc and the flange plate are protected by the internally threaded circular block and the first circular groove. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the whole three-dimensional structure schematic view of the utility model;

[0018] Figure 2 It is the whole three-dimensional structure schematic view of the utility model's protection assembly;

[0019] Figure 3 It is the whole three-dimensional structure schematic view of the utility model's connecting assembly and docking assembly;

[0020] Figure 4 It is the whole three-dimensional structure schematic view of the utility model's female fixing mechanism and son fixing mechanism.

[0021] In the drawing: 1, valve body main seat;2, control assembly;3, connecting assembly;31, flange plate;32, communication groove;33, sealing layer;34, threaded groove;4, docking assembly;41, docking disc;42, insertion pipe;43, two-way threaded ring;5, protection assembly;51, female fixing mechanism;511, hollow round block;512, mounting thread;513, rotating ring;514, first circular groove;52, son fixing mechanism;521, internal thread round block;522, docking ring;523, second circular groove. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0023] Embodiment one: please refer to Figures 1-3 A pressure regulating valve, including valve body main seat 1 and the control assembly 2 that sets up on the upper end of valve body main seat 1, the both ends of valve body main seat 1 are provided with connecting assembly 3 respectively, one end of connecting assembly 3 is fixedly installed with docking assembly 4, the outer surface of connecting assembly 3 and docking assembly 4 is fixed with protection assembly 5, the setting of protection assembly 5 is suitable for improving the stability of connecting assembly 3 and docking assembly 4 connection.

[0024] The structure and working principle of the pressure regulating valve are same with the working principle of valve seat main body, mounting seat, sleeve, adjusting rod, hand wheel, mounting hole, fixed screw, through hole, sealing membrane, pressure rod, lower stabilizing plate, upper stabilizing plate, spring, telescopic rod, hook, fixing ring in the disclosure No. CN221610675U, which will not be described here.

[0025] The pressure regulating valve is the existing technology, which is not limited, and can be installed by purchasing finished products, such as QTY / QTYH / T40H series push-pull force meter.

[0026] The connecting assembly 3 comprises a flange plate 31 and a communication groove 32 arranged in the middle of one end of the flange plate 31, and a sealing layer 33 is arranged in the groove of the communication groove 32. A threaded groove 34 is arranged around one end of the flange plate 31.

[0027] The connecting assembly 4 comprises a butt joint plate 41 and an insertion pipe 42 fixedly installed in the middle of one end of the butt joint plate 41. A two-way threaded ring 43 is fixedly installed around one end of the butt joint plate 41. The insertion pipe 42 is movably installed in the inner cavity of the communication groove 32. The two-way threaded ring 43 is screw-connected in the inner cavity of the threaded groove 34. The sealing layer 33 is arranged to improve the sealing performance of the connection between the butt joint plate 41 and the flange plate 31.

[0028] In this embodiment, when the operator connects the pressure regulating valve and the pipeline, the operator directly inserts the insertion pipe 42 of the butt joint plate 41 installed at one end of the butt joint pipe into the inner cavity of the communication groove 32 of the flange plate 31. By rotating the insertion pipe 42, the two-way threaded ring 43 is screw-connected into the inner cavity of the threaded groove 34 to directly complete the connection and fixation of the butt joint plate 41 and the flange plate 31. At the same time, the sealing layer 33 is arranged to improve the sealing performance of the connection between the butt joint plate 41 and the flange plate 31. Therefore, the operator does not need to use screws to individually fix the butt joint plate 41 and the flange plate 31, and the use is convenient.

[0029] Embodiment two: this embodiment is an improvement based on embodiment one. For details, please refer to Figure 4 The protection assembly 5 comprises a female fixing mechanism 51 and a male fixing mechanism 52 screw-connected at one end of the female fixing mechanism 51. The female fixing mechanism 51 and the male fixing mechanism 52 are screw-connected to protect the outer surfaces of the butt joint plate 41 and the flange plate 31.

[0030] The female fixing mechanism 51 comprises a hollow circular block 511 and a mounting thread 512 arranged on one side of the outer wall of the hollow circular block 511. A rotating ring 513 is fixedly installed at one end of the outer surface of the first hollow circular block 511. A first circular groove 514 is arranged in the middle of the inner cavity of the hollow circular block 511. The rotating ring 513 is arranged to drive the hollow circular block 511 to rotate.

[0031] The sub-fixing mechanism 52 comprises an internally threaded circular block 521 and a butt joint ring 522 fixedly installed at one end of the internally threaded circular block 521, a second circular groove 523 is formed in the middle of one end of the internally threaded circular block 521, and the installation screw thread 512 is screw-connected in the inner cavity of the internally threaded circular block 521, so as to wrap the butt joint disc 41 and the flange disc 31 in the inner cavities of the hollow circular block 511 and the internally threaded circular block 521, and the first circular groove 514 and the second circular groove 523 are provided for the connection pipeline to pass through.

[0032] In the embodiment: after the operator installs the butt joint disc 41 and the flange disc 31, the one end of the valve body main seat 1 is movably sleeved in the inner cavity of the first circular groove 514, the first hollow circular block 511 is moved, so that the first hollow circular block 511 wraps the flange disc 31 and the connection part of the butt joint disc 41 and the flange disc 31, the second circular groove 523 in the middle of one end of the internally threaded circular block 521 is passed through from one end of the butt joint assembly 4, the internally threaded circular block 521 and the first circular groove 514 are screw-connected and fixed, the outer surfaces of the butt joint disc 41 and the flange disc 31 are protected by the internally threaded circular block 521 and the first circular groove 514, at the same time, the two end outer walls of the butt joint disc 41 and the flange disc 31 can be tightly fixed by the internally threaded circular block 521 and the first circular groove 514 respectively, and the second sealing layer is inlaid in the inner wall of the first circular groove 514, so as to improve the sealing performance of the connection of the butt joint disc 41 and the flange disc 31.

[0033] Working principle: when the operator butt joints the pressure regulating valve and the pipeline, directly inserts the butt joint disc 41 installed at one end of the butt joint pipeline into the inner cavity of the communication groove 32 at one end of the flange disc 31 through the insertion pipe 42, screw-connects the bidirectional screw thread ring 43 to the inner cavity of the screw groove 34 by rotating the insertion pipe 42, after the butt joint disc 41 and the flange disc 31 are installed, since the one end of the valve body main seat 1 is movably sleeved in the inner cavity of the first circular groove 514, the first hollow circular block 511 is moved, so that the first hollow circular block 511 wraps the flange disc 31 and the connection part of the butt joint disc 41 and the flange disc 31, then the second circular groove 523 in the middle of one end of the internally threaded circular block 521 is passed through from one end of the butt joint assembly 4, the internally threaded circular block 521 and the first circular groove 514 are screw-connected and fixed, the outer surfaces of the butt joint disc 41 and the flange disc 31 are protected by the internally threaded circular block 521 and the first circular groove 514, at the same time, the two end outer walls of the butt joint disc 41 and the flange disc 31 can be tightly fixed by the internally threaded circular block 521 and the first circular groove 514 respectively, and the second sealing layer is inlaid in the inner wall of the first circular groove 514, so as to improve the sealing performance of the connection of the butt joint disc 41 and the flange disc 31.

[0034] The contents not described in detail in the specification belong to the prior art known by the person skilled in the art.

[0035] Although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, 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 pressure regulating valve, comprising a valve body main seat (1) and a regulating assembly (2) arranged on the upper end of the valve body main seat (1), characterized in that: The two ends of the valve body main seat (1) are respectively provided with connecting components (3), one end of the connecting component (3) is threadedly fixed with a docking component (4), and the outer surfaces of the connecting component (3) and the docking component (4) are fixed with a protective component (5), and the setting of the protective component (5) is suitable for improving the stability of the connection between the connecting component (3) and the docking component (4); The connecting assembly (3) comprises a flange (31) and a connecting groove (32) provided in the middle of one end of the flange (31); a sealing layer (33) is embedded around the notch of the connecting groove (32); and a threaded groove (34) is provided around one end of the flange (31).

2. A pressure regulating valve according to claim 1, characterized in that: The docking assembly (4) comprises a docking plate (41) and an insertion tube (42) fixedly mounted in the middle of one end of the docking plate (41); a bidirectional threaded ring (43) is fixedly mounted around one end of the docking plate (41).

3. The pressure regulating valve according to claim 1, characterized in that: The protection assembly (5) comprises a female fixing mechanism (51) and a sub-fixing mechanism (52) threadedly connected to one end of the female fixing mechanism (51).

4. A pressure regulating valve according to claim 3, characterized in that: The female fixing mechanism (51) comprises a hollow circular block (511) and a mounting thread (512) arranged on one side of the outer wall of the hollow circular block (511).

5. A pressure regulating valve according to claim 4, characterized in that: A rotating ring (513) is fixedly mounted on one end of the outer surface of the first hollow circular block (511), and a first circular groove (514) is provided in the middle of the inner cavity of the hollow circular block (511).

6. The pressure regulating valve according to claim 3, characterized in that: The sub-fixing mechanism (52) comprises an internal threaded round block (521) and a docking ring (522) fixedly mounted on one end of the internal threaded round block (521); a second circular groove (523) is provided in the middle of one end of the internal threaded round block (521).

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