CN218971920U - Multi-mode-adjusting pressure regulating valve - Google Patents

Abstract

The utility model discloses a multi-mode regulating pressure regulating valve, which comprises an upper shell, a valve, a lower shell and a diaphragm, wherein the lower shell comprises a shell body, a pressure cavity is arranged in the shell body, the valve is arranged in the center of the interior of the pressure cavity, a sealing rubber ring is arranged between the lower end of the valve and the bottom of the pressure cavity, one side of the shell body is provided with a liquid inlet column communicated with the pressure cavity, the lower end of the pressure cavity is provided with a liquid outlet column communicated with a central through hole of the valve, the upper end of the shell body is connected with the upper shell in a threaded connection mode, a gasket is arranged between the upper shell and the upper end of the pressure cavity, the lower surface of the gasket is provided with the diaphragm attached to the upper surface of the valve, one side of the upper surface of the upper shell is provided with an air charging column, and the inner top surface of the upper shell is provided with a spring regulating seat.

Description

Multi-mode-adjusting pressure regulating valve

Technical Field

The utility model relates to the technical field of pressure regulating valves, in particular to a multi-mode regulating pressure regulating valve.

Background

The pressure reducing valve is a special device for automatically reducing the working pressure of a pipeline, and can reduce a medium with higher pressure to a set pressure after a pressure reducing range is set, but the existing device has a complex structure, the pressure is used after the pressure is set, the pressure is required to be disassembled when the pressure is changed, and the pressure is regulated, so that the regulation is inconvenient, the regulation mode is single, the regulation mode of the pressure regulating valve which can be regulated at present is single, and the pressure regulating valve cannot be used after the pressure regulating valve breaks down.

Disclosure of Invention

The utility model aims to overcome the existing defects, and provides the multi-mode regulating valve which is simple in structure, simple and convenient to operate, capable of regulating pressure in an inflation mode, convenient to use and capable of effectively solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a pressure regulating valve that multimode was adjusted, includes casing, valve, inferior valve and diaphragm, the inferior valve includes the casing body, and the inside of casing is equipped with the pressure chamber to the inside center of pressure chamber is equipped with the valve, is equipped with sealed rubber ring between the lower extreme of valve and the pressure chamber bottom, and one side of casing is equipped with the liquid column that feeds through with the pressure chamber, the lower extreme of pressure chamber is equipped with the play liquid column that feeds through with valve center through-hole, the upper end of casing is connected with the upper casing through threaded connection's mode, is equipped with the gasket between the upper end of upper casing and pressure chamber, and the lower surface of gasket is equipped with the diaphragm with the laminating of valve upper surface, upper surface one side of upper casing is equipped with the column that charges, and the inside top surface of upper casing is equipped with spring adjusting seat, and the sliding spring seat lower extreme of spring seat is equipped with the spring seat that moves the diaphragm top, can be inflated up the inside of casing through the column that charges, can realize the purpose of adjusting the diaphragm decurrent pressure through the atmospheric pressure.

Further, a rubber ring is arranged between the upper surface of the gasket and the upper shell, and an annular groove corresponding to the rubber ring is arranged at the lower end of the upper shell, so that the gasket and the upper shell are connected more tightly through the rubber ring.

Further, a rubber ring is also arranged at the edge of the lower surface of the diaphragm, and a groove corresponding to the rubber ring is arranged on the shell body.

Further, the upper end of valve is boss dress structure, and the boss department of valve is equipped with the filter screen, and the outside of filter screen is laminated with the inboard of pressure chamber to the filter screen is located the upper end of liquid column, can filter the liquid of process through the filter screen, prevents that impurity from blocking it.

Further, the spring adjusting seat comprises two sliding connection rods fixed with the top surface of the upper shell, a sliding spring seat in sliding connection is arranged between the two sliding connection rods, a threaded column in rotary connection is arranged in the center of the upper shell and connected with the sliding spring seat in a threaded connection mode, one end of the threaded column penetrates through and extends to the outer side of the upper end of the upper shell, a rotating head is arranged at the upper end of the threaded column, the threaded column can be driven to rotate through rotation of the rotating head, the sliding spring seat can be driven to move up and down along the sliding connection rod through rotation of the threaded column, the spring can be compressed or released through the sliding spring seat, and accordingly the compression degree of a diaphragm can be adjusted, and the pressure of liquid outlet is adjusted.

Compared with the prior art, the utility model has the beneficial effects that: the inside of the upper shell can be inflated through the inflation column, the downward pressure of the diaphragm can be realized through air pressure, the threaded column can be driven to rotate through the rotation of the rotating head, the sliding spring seat can be driven to move up and down along the sliding connecting rod through the rotation of the threaded column, the spring can be compressed or released through the sliding spring seat, the pressure regulating valve is simple in structure, convenient to operate, capable of regulating pressure in an inflatable mode, convenient to use and capable of regulating pressure in a manual mode, and can be used in a mode of damaging.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model.

In the figure: 1 an air charging column, 2 an upper shell, 3 springs, 4 spring top seats, 5 gaskets, 6 valves, 7 a lower shell, 71 a liquid outlet column, 72 a shell body, 73 a pressure cavity, 74 a liquid inlet column, 8 a filter screen, 9 spring adjusting seats, 91 a threaded column, 92 sliding connecting rods, 93 sliding spring seats, 94 rotating heads and 10 diaphragms.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, the present utility model provides a technical solution: the utility model provides a multi-mode regulation's air-vent valve, including last casing 2, valve 6, lower casing 7 and diaphragm 10, lower casing 7 includes casing body 72, the inside of casing body 72 is equipped with pressure chamber 73, and the inside center of pressure chamber 73 is equipped with valve 6, be equipped with sealed rubber ring between the lower extreme of valve 6 and the pressure chamber 73 bottom, one side of casing body 72 is equipped with the feed column 74 with pressure chamber 73 intercommunication, the lower extreme of pressure chamber 73 is equipped with the play liquid column 71 with valve 6 central through-hole intercommunication, the upper end of casing body 72 is connected with last casing 2 through threaded connection's mode, be equipped with gasket 5 between the upper end of upper casing 2 and pressure chamber 73, the lower surface of gasket 5 is equipped with the diaphragm 10 with valve 6 upper surface laminating, upper surface one side of upper casing 2 is equipped with the inflating post 1, the inside top surface of upper casing 2 is equipped with spring adjusting seat 9, the slip spring seat 93 lower extreme of spring adjusting seat 9 is equipped with spring 3, the lower end of the spring 3 is provided with a spring top seat 4 which pushes the diaphragm 10, the diaphragm 10 can be inflated to the inside of the upper shell 2 through the inflation column 1, the downward pressure of the diaphragm 10 can be realized through air pressure, a rubber ring is arranged between the upper surface of the gasket 5 and the upper shell 2, the lower end of the upper shell 2 is provided with an annular groove corresponding to the rubber ring, the gasket 5 and the upper shell 2 are more tightly connected through the rubber ring, the edge of the lower surface of the diaphragm 10 is also provided with the rubber ring, the shell body 72 is provided with a groove corresponding to the rubber ring, the upper end of the valve 6 is of a boss mounting structure, the boss of the valve 6 is provided with a filter screen 8, the outer side of the filter screen 8 is attached to the inner side of the pressure cavity 73, the filter screen 8 is positioned at the upper end of the liquid inlet column 74, the passing liquid can be filtered through the filter screen 8 to prevent the impurity from blocking, the spring adjusting seat 9 comprises two sliding connection rods 92 fixed with the top surface of the upper shell 2, a sliding spring seat 93 in sliding connection is arranged between the two sliding connection rods 92, a threaded column 91 in rotating connection is arranged in the center of the upper shell 2, the threaded column 91 is connected with the sliding spring seat 93 in a threaded connection mode, one end of the threaded column 91 penetrates through and extends to the outer side of the upper end of the upper shell 2, a rotating head 94 is arranged at the upper end of the threaded column 91, the threaded column 91 can be driven to rotate through rotation of the rotating head 94, the sliding spring seat 93 can be driven to move up and down along the sliding connection rod 92 through rotation of the threaded column 91, the spring 3 can be compressed or released through the sliding spring seat 93, so that the compression degree of the diaphragm 10 can be adjusted, and the pressure of liquid can be adjusted.

Compared with the prior art, the utility model has the beneficial effects that: the inside that can go up casing 2 through inflating post 1 is inflated, can realize the purpose of adjusting with diaphragm 10 decurrent pressure through atmospheric pressure, can drive screw post 91 through the rotation of rotating head 94 and rotate, can drive sliding spring seat 93 and reciprocate along slide bar 92 through screw post 91 rotation, can compress or release spring 3 through sliding spring seat 93, can adjust diaphragm 10 degree of compaction with this, adjust the pressure of play liquid from this, the air-vent valve of this multisection regulation, and is simple in structure, easy and simple to handle, can carry out the pressure regulation through the mode of inflation, and can also adjust the pressure through manual mode, it is more convenient to use

When in use: during decompression, liquid is led into the pressure cavity 73 through the liquid inlet column 74, then the liquid is filtered through the filter screen 8, when the pressure in the pressure cavity 73 reaches a preset value, the diaphragm 10 is ejected from the upper end of the valve 6, then the liquid is discharged from the liquid outlet column 71 through the liquid passing through the through hole in the valve 6, the inside of the shell 2 can be inflated through the inflation column 1, the downward pressure of the diaphragm 10 can be realized through air pressure to adjust, the screw column 91 can be driven to rotate through the rotation of the rotating head 94, the sliding spring seat 93 can be driven to move up and down along the sliding rod 92 through the rotation of the screw column 91, the spring 3 can be compressed or released through the sliding spring seat 93, and therefore the compression degree of the diaphragm 10 can be adjusted, and the liquid pressure can be adjusted.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a pressure regulating valve that multimode was adjusted, includes last casing (2), valve (6), lower casing (7) and diaphragm (10), its characterized in that: lower casing (7) include casing body (72), and the inside of casing body (72) is equipped with pressure chamber (73) to be equipped with valve (6) in the inside center of pressure chamber (73), be equipped with sealed rubber ring between the lower extreme of valve (6) and pressure chamber (73) bottom, one side of casing body (72) is equipped with feed liquor post (74) with pressure chamber (73) intercommunication, the lower extreme of pressure chamber (73) is equipped with play liquid post (71) with valve (6) central through-hole intercommunication, the upper end of casing body (72) is connected with casing (2) through threaded connection's mode, is equipped with gasket (5) between the upper end of upper casing (2) and pressure chamber (73), the lower surface of gasket (5) is equipped with diaphragm (10) with valve (6) upper surface laminating, upper surface one side of upper casing (2) is equipped with fills air column (1), and the inside top surface of upper casing (2) is equipped with spring adjusting seat (9), and the spring seat (93) lower extreme of sliding of spring seat (93) is equipped with spring (3), and the lower extreme of spring (3) is equipped with spring seat (4) to top diaphragm (4).

2. A multi-way regulated pressure regulating valve according to claim 1, wherein: a rubber ring is arranged between the upper surface of the gasket (5) and the upper shell (2), and an annular groove corresponding to the rubber ring is arranged at the lower end of the upper shell (2).

3. A multi-way regulated pressure regulating valve according to claim 1, wherein: the lower surface edge of the diaphragm (10) is also provided with a rubber ring, and the shell body (72) is provided with a groove corresponding to the rubber ring.

4. A multi-way regulated pressure regulating valve according to claim 1, wherein: the upper end of the valve (6) is of a boss mounting structure, a filter screen (8) is arranged at the boss of the valve (6), the outer side of the filter screen (8) is attached to the inner side of the pressure cavity (73), and the filter screen (8) is positioned at the upper end of the liquid inlet column (74).

5. A multi-way regulated pressure regulating valve according to claim 1, wherein: the spring adjusting seat (9) comprises two sliding connection rods (92) fixed with the top surface of the upper shell (2), a sliding spring seat (93) in sliding connection is arranged between the two sliding connection rods (92), a threaded column (91) in rotating connection is arranged in the center of the upper shell (2), the threaded column (91) is connected with the sliding spring seat (93) in a threaded connection mode, one end of the threaded column (91) penetrates through and extends to the outer side of the upper end of the upper shell (2), and a rotating head (94) is arranged at the upper end of the threaded column (91).

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