CN219242795U

CN219242795U - High pressure differential medium flow regulating valve

Info

Publication number: CN219242795U
Application number: CN202320805032.3U
Authority: CN
Inventors: 鲜代兴; 姜坤
Original assignee: Chongqing Chuanwu Instrument Co ltd
Current assignee: Chongqing Chuanwu Instrument Co ltd
Priority date: 2023-04-12
Filing date: 2023-04-12
Publication date: 2023-06-23
Anticipated expiration: 2033-04-12

Abstract

The utility model relates to the technical field of regulating valves, in particular to a high-pressure differential medium flow regulating valve; comprising the following steps: the anti-scouring mechanism comprises a buffer block, a groove is preset on one side of the buffer block close to the outer surface of the input end, a buffer spring is installed at the groove, the end of the buffer spring is connected with the buffer plate, the valve core is arranged inside the valve body, a liquid passing hole is preset on the outer surface of the valve core, and the aperture radius of the liquid passing hole gradually increases from top to bottom. According to the high-pressure-difference medium flow regulating valve, the anti-scouring mechanism is arranged at the tail end of the input end, and the pressure of a medium in flowing is reduced by the anti-scouring mechanism, so that the impact force of the valve core is reduced, and the service life of the valve core is prolonged. When the flow of the medium is regulated, the liquid passing holes with corresponding radiuses can be selected according to the operation requirement, so that the design is convenient for the staff to finely regulate the flow of the medium.

Description

High pressure differential medium flow regulating valve

Technical Field

The utility model relates to the technical field of regulating valves, in particular to a high-pressure differential medium flow regulating valve.

Background

The high pressure regulating valve is one of the flow regulating valves. The flow regulating valve is a visual and simple flow regulating control device and is widely applied to water network pipelines. The valve core assembly of the flow regulating valve generally comprises a valve core and a connecting rod, and the valve core can be driven to rotate or move up and down through the rotation of the connecting rod, so that a medium flows through a liquid passing hole on the valve core, and the purpose of flow regulation is achieved.

Through searching, firstly, when the high-pressure regulating valve is used, certain damage is often caused to the regulating valve due to the impact of high-flow fluid, and particularly for a valve core, when the valve core works, the acting force of the fluid can completely act on the valve core, so that the service life of the valve core is very short, and the normal use of the regulating valve is influenced. Secondly, the size of the aperture of the through hole on the valve core of the traditional regulating valve is the same, so that staff cannot finely regulate the flow of the medium, and the effect of regulating the flow of the medium is poor.

Those skilled in the art are therefore working to develop a high differential pressure medium flow regulating valve.

Disclosure of Invention

The present utility model aims to solve the technical problems set forth in the background art.

In order to achieve the above object, the present utility model provides a high differential pressure medium flow regulating valve, comprising: the anti-scouring mechanism comprises a buffer block, a groove is preset on one side of the buffer block close to the outer surface of the input end, a buffer spring is arranged at the groove, the end of the buffer spring is connected with the buffer plate, the valve core is arranged in the valve body, a cavity for longitudinally moving the valve core is preset in the valve body, a liquid passing hole is preset on the outer surface of the valve core, the diameter radius of the liquid passing hole gradually increases from top to bottom,

before use, the output pipeline of the external medium is connected with the input end, so that the medium enters the valve body. The anti-scouring mechanism reduces the pressure of medium in circulation, so that the acting force born by the valve core is reduced, and the service life of the valve core is prolonged. The liquid passing holes with different aperture radiuses are convenient for staff to adjust the flow of the medium according to the demands. The liquid passing holes can be rectangular or round.

Preferably, the outer surface of the other side of the valve body is connected with a side valve cover, and an output end is preset on the outer surface of the side valve cover.

Before use, staff can be connected with the output end with external pipeline for the medium that flow control accomplished is exported to the external world from the side valve gap.

Preferably, the valve body up end is connected with the upper valve cover, and the inside vertical valve rod that is provided with of upper valve cover to upper valve cover and valve rod left and right sides are preset the clearance, the valve rod head end runs through to external connection executor from the upper valve cover inside, and the valve rod end extends to valve body internal connection case.

When the valve rod is used, the valve rod can be connected with an external actuator, so that the valve rod drives the valve core to longitudinally move up and down in parallel.

Preferably, the buffer mechanism is arranged inside the upper valve cover and comprises a limiting block, the limiting block is arranged at the gap between the upper valve cover and the valve rod, the buffer mechanism further comprises a disc spring, the disc spring is arranged on the lower end face of the limiting block, the tail end of the disc spring is connected with the protruding block, and the protruding block is arranged on the outer surface of one side of the valve rod close to the inner wall of the upper valve cover.

The convex blocks form an elastic structure through the disc springs and the limiting blocks. The buffer mechanism is designed to buffer the longitudinal movement of the valve rod.

Preferably, a filler is arranged above the buffer mechanism, a filler gland is preset above the filler, and the filler is made of flexible graphite or PTFE.

The packing design has a sealing effect on the valve rod and the upper valve cover, and prevents the valve from leaking out of the medium conveyed by the valve.

The beneficial effects of the utility model are as follows:

when the utility model is used, the anti-scouring mechanism is arranged at the tail end of the input end, and the pressure of the medium flowing is reduced by using the anti-scouring mechanism, so that the impact force born by the valve core is reduced, and the service life of the valve core is prolonged. When the flow of the medium is regulated, the liquid passing holes with corresponding radiuses can be selected according to the operation requirement, so that the design is convenient for the staff to finely regulate the flow of the medium.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a valve body in cross-section of an embodiment of the present utility model;

FIG. 2 is a schematic diagram of the front view of a valve body according to an embodiment of the present utility model;

FIG. 3 is a schematic side view of a valve cartridge according to an embodiment of the present utility model;

FIG. 4 is an enlarged schematic view of the structure of FIG. 1A according to an embodiment of the present utility model;

fig. 5 is an enlarged schematic view of the structure of fig. 1B according to an embodiment of the present utility model.

Part name

1. A valve body; 2. an input end; 3. an anti-scour mechanism; 301. a buffer block; 302. a buffer spring; 303. a buffer plate; 4. a side valve cover; 5. an output end; 6. an upper valve cover; 7. a valve stem; 8. a valve core; 801. a liquid passing hole; 9. a buffer mechanism; 901. a limiting block; 902. a disc spring; 903. a bump; 10. and (3) filling.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, in the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Referring to fig. 1 to 5, the present utility model provides a high differential pressure medium flow regulating valve, comprising: the anti-scouring mechanism 3 is arranged at the tail end of the input end 2, the anti-scouring mechanism 3 comprises a buffer block 301, a groove is preset at one side of the buffer block 301 close to the outer surface of the input end 2, a buffer spring 302 is installed at the groove, the tail end of the buffer spring 302 is connected with a buffer plate 303, the valve core 8 is arranged inside the valve body 1, a cavity for longitudinally moving the valve core 8 is preset inside the valve body 1, a liquid passing hole 801 is preset at the outer surface of the valve core 8, and the aperture radius of the liquid passing hole 801 gradually increases from top to bottom;

in this embodiment, as shown in fig. 1 and 4, firstly, an external medium enters the valve body 1 through the input end 2, and secondly, when entering the valve body, the buffer plate 303 is pressed by the impact force generated when the medium flows, so that the buffer plate 303 is compressed to the buffer block 301 through the elasticity of the buffer spring 302, and the anti-scouring mechanism 3 achieves the purpose of reducing the flow pressure of the medium, thereby reducing the impact force received by the valve core 8, and further achieving the purpose of prolonging the service life of the valve core 8. Meanwhile, the staff can adjust the longitudinal installation position of the valve core 8 according to actual operation demands, so that the staff can finely adjust the flow of the medium by utilizing the liquid passing holes 801 with different apertures.

Further, the outer surface of the other side of the valve body 1 is connected with a side valve cover 4, and an output end 5 is preset on the outer surface of the side valve cover 4;

in the present embodiment, as shown in fig. 1 or 2, after the flow rate of the medium is adjusted inside the valve body 1, the medium is outputted to the outside through the output end 5 at the side valve cover 4.

Further, the upper end face of the valve body 1 is connected with an upper valve cover 6, a valve rod 7 is vertically arranged in the upper valve cover 6, gaps are preset on the left side and the right side of the upper valve cover 6 and the left side and the right side of the valve rod 7, the head end of the valve rod 7 penetrates through the upper valve cover 6 to an external connection actuator, and the tail end of the valve rod 7 extends to the inner part of the valve body 1 to be connected with a valve core 8;

in this embodiment, as shown in fig. 1 and 3, before the medium is input into the valve body 1, the valve rod 7 can adjust the longitudinal installation position of the valve core 8 by using an actuator, so as to achieve the purpose that the valve core 8 cooperates with the liquid passing holes 801 with different apertures to adjust the flow of the medium.

Further, a buffer mechanism 9 is arranged in the upper valve cover 6, the buffer mechanism 9 comprises a limiting block 901, the limiting block 901 is arranged at a gap between the upper valve cover 6 and the valve rod 7, the buffer mechanism 9 further comprises a disc spring 902, the disc spring 902 is arranged on the lower end face of the limiting block 901, the tail end of the disc spring 902 is connected with a protruding block 903, and the protruding block 903 is arranged on the outer surface of one side of the valve rod 7 close to the inner wall of the upper valve cover 6;

in this embodiment, as shown in fig. 5, the valve rod 7 can be compressed with the stopper 901 by the elastic action of the disc spring 902 through the protrusion 903 during the longitudinal movement, so that the buffer mechanism 9 realizes the buffer action on the valve rod 7.

Further, a filler 10 is arranged above the buffer mechanism 9, a filler gland is preset above the filler 10, and the filler 10 is made of flexible graphite or PTFE;

in this embodiment, as shown in fig. 5, the packing 10 is designed to seal between the valve rod 7 and the upper valve cover 6, thereby preventing leakage of the medium conveyed by the valve 1 and increasing the practicality of the whole device.

The above disclosure is only a preferred embodiment of the present utility model, and it should be understood that the scope of the utility model is not limited thereto, and those skilled in the art will appreciate that all or part of the procedures described above can be performed according to the equivalent changes of the claims, and still fall within the scope of the present utility model.

Claims

1. A high differential pressure medium flow regulator valve, comprising: valve body (1), scour protection mechanism (3) and case (8), input (2) that supply the medium to get into are equipped with in advance to valve body (1) one side surface, a serial communication port, scour protection mechanism (3) set up at input (2) end, scour protection mechanism (3) are including buffer block (301), and buffer block (301) are close to input (2) surface one side and are preset flutedly to recess department installs buffer spring (302), buffer spring (302) end-to-end connection have buffer board (303), case (8) set up inside valve body (1), and the inside cavity that is used for case (8) longitudinal movement of predetermineeing of valve body (1), case (8) surface is equipped with through liquid hole (801) in advance, and the aperture radius of through liquid hole (801) is from last progressively increasing gradually to down.

2. A high pressure differential medium flow regulating valve as claimed in claim 1, wherein the outer surface of the other side of the valve body (1) is connected with a side valve cover (4), and the outer surface of the side valve cover (4) is provided with an output end (5) in advance.

3. The high-pressure differential medium flow regulating valve according to claim 1, wherein the upper end face of the valve body (1) is connected with an upper valve cover (6), a valve rod (7) is vertically arranged inside the upper valve cover (6), gaps are preset on the left side and the right side of the upper valve cover (6) and the left side and the right side of the valve rod (7), the head end of the valve rod (7) penetrates through the upper valve cover (6) to an external connection actuator, and the tail end of the valve rod (7) extends to an internal connection valve core (8) of the valve body (1).

4. A high pressure differential medium flow regulating valve as claimed in claim 3, wherein a buffer mechanism (9) is arranged in the upper valve cover (6), the buffer mechanism (9) comprises a limiting block (901), the limiting block (901) is arranged at the gap between the upper valve cover (6) and the valve rod (7), the buffer mechanism (9) further comprises a disc spring (902), the disc spring (902) is arranged on the lower end face of the limiting block (901), the tail end of the disc spring (902) is connected with the protruding block (903), and the protruding block (903) is arranged on the outer surface of one side, close to the inner wall of the upper valve cover (6), of the valve rod (7).

5. The high pressure difference medium flow regulating valve as claimed in claim 4, wherein a filler (10) is arranged above the buffer mechanism (9), a filler gland is preset above the filler (10), and the filler (10) is made of flexible graphite or PTFE.