CN219013472U

CN219013472U - Pilot piston type gas pressure reducing valve

Info

Publication number: CN219013472U
Application number: CN202223038056.5U
Authority: CN
Inventors: 陆雪惠
Original assignee: Shanghai Dunyang Fluid Equipment Co ltd
Current assignee: Shanghai Dunyang Fluid Equipment Co ltd
Priority date: 2022-11-15
Filing date: 2022-11-15
Publication date: 2023-05-12
Anticipated expiration: 2032-11-15

Abstract

The utility model relates to the technical field of pressure reducing valves, in particular to a pilot piston type gas pressure reducing valve which comprises a valve body, wherein one end of the valve body is provided with an inlet cavity, the other end of the valve body is provided with an outlet cavity, the bottom of the valve body is fixedly connected with a fixed base, a filter screen is fixedly arranged in the inner cavity of the inlet cavity, and the bottom of the fixed base is fixedly provided with a horizontal adjusting device; according to the utility model, the bottom of the pressure reducing valve is provided with the horizontal adjusting device, so that the pressure reducing valve can be kept to be vertically installed even if the installed ground is not flat when the adjusting valve is installed; after leveling the pressure reducing valve through the counterweight hemisphere, the supporting mechanism around the pressure reducing valve can also make corresponding movements, and after the pressure reducing valve is stable, the pressure reducing valve can be fixed by only screwing the positioning screw rod to fix the movable sliding block, so that the pressure reducing valve is kept to be vertically installed.

Description

Pilot piston type gas pressure reducing valve

Technical Field

The utility model relates to the technical field of pressure reducing valves, in particular to a pilot piston type gas pressure reducing valve.

Background

Along with the acceleration of the recombination pace of the valve industry, the future industry is the competition between the quality safety of valve products and the brand of the products, the products develop towards the directions of high technology, high parameters, strong corrosion resistance and long service life, the technical level of the products can be gradually improved only by continuously developing new products and carrying out technical transformation, the matching of domestic devices is satisfied, the localization of the valves is comprehensively realized, and the valve manufacturing industry in China must present better development prospects in huge demand environments.

In the prior art, as disclosed in application number 2021223986491, a pilot piston type gas pressure reducing valve specifically comprises a valve body, wherein a filter screen is respectively arranged in an inlet cavity and an outlet cavity of the valve body; through mutually supporting of filter screen, installation piece and the mounting groove that set up, can filter the macromolecular impurity in the external relief pressure valve of bringing into, avoid impurity entering relief pressure valve's inside.

However, piston gas pressure reducing valves are usually required to be installed upright on horizontal pipes, and where the installed ground is not flat, a slope occurs at least at all, which results in unstable installation of the pressure reducing valve.

Disclosure of Invention

The utility model aims to provide a pilot piston type gas pressure reducing valve so as to solve the problems in the background art.

The aim of the utility model can be achieved by the following technical scheme:

the utility model provides a guide's piston type gas relief pressure valve, includes the valve body, the one end of valve body is provided with the inlet chamber, and the other end of valve body is provided with the outlet chamber, and the bottom of valve body is fixedly connected with unable adjustment base, and the inner chamber fixed mounting in inlet chamber has the filter screen, and unable adjustment base's bottom fixed mounting has horizontal adjustment device.

Further, the horizontal adjusting device comprises a bottom plate and an adjusting plate, the adjusting plate is fixedly connected with the fixed base, a counterweight hemisphere is arranged between the bottom plate and the adjusting plate, and the arc surface of the counterweight hemisphere is connected with the bottom plate.

Further, supporting mechanisms are arranged around the counterweight hemispheres, movable grooves matched with the supporting mechanisms are formed in the surfaces of the bottom plates, the supporting mechanisms slide in the movable grooves, and the tops of the supporting mechanisms are rotationally connected with the adjusting plates.

Further, supporting mechanism includes the bracing piece, and the bottom of regulating plate is fixed to be linked to each other and is had the fixed block, and adjusts the bracing piece and rotate with the fixed block and link to each other, and the bottom of bracing piece is provided with the removal slider, and the bracing piece rotates with the removal slider and links to each other, and the removal slider is located movable groove, and the spout has been seted up to the lateral wall of removal slider, and the inside wall in movable groove is provided with the slide rail with spout matched with, and removes the slider and pass through the slide rail and slide in movable groove.

Further, the top of bracing piece fixedly connected with first pivot, and the bracing piece rotates with the fixed block through first pivot and links to each other, and the bottom of bracing piece fixedly connected with the second pivot, and the bracing piece rotates with the removal slider through the second pivot and links to each other.

Further, a positioning screw is arranged on one side, away from the supporting rod, of the movable sliding block, the positioning screw is connected with threads of the movable sliding block, and the movable sliding block is limited with the bottom plate through the positioning screw.

The utility model has the beneficial effects that:

1. according to the utility model, the bottom of the pressure reducing valve is provided with the horizontal adjusting device, so that the pressure reducing valve can be kept to be vertically installed even if the installed ground is not flat when the adjusting valve is installed;

2. according to the utility model, after the pressure reducing valve is leveled through the counterweight hemispheres, the supporting mechanisms around the pressure reducing valve can correspondingly move, and after the pressure reducing valve is stabilized, the movable sliding block is fixed by only screwing the positioning screw rod, so that the whole pressure reducing valve can be fixed and is kept to be vertically installed.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to those skilled in the art that other drawings can be obtained according to these drawings without inventive effort;

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic view of the structure of the horizontal adjustment device of the present utility model;

fig. 3 is a schematic structural view of the supporting mechanism of the present utility model.

Reference numerals in the drawings are as follows:

1. a valve body; 2. an inlet chamber; 3. an outlet chamber; 4. a fixed base; 5. a filter screen; 6. a level adjustment device; 61. a bottom plate; 62. an adjusting plate; 63. a weighted hemisphere; 64. a support mechanism; 641. a support rod; 642. a fixed block; 643. moving the slide block; 644. a first rotating shaft; 645. a second rotating shaft; 646. a chute; 647. and positioning a screw.

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. 1-3, a pilot piston type gas pressure reducing valve comprises a valve body 1, wherein an inlet chamber 2 is arranged at one end of the valve body 1, an outlet chamber 3 is arranged at the other end of the valve body 1, a fixed base 4 is fixedly connected to the bottom of the valve body 1, a filter screen 5 is fixedly arranged in an inner cavity of the inlet chamber 2, after fluid enters from the inlet chamber 2, impurities are removed through the filter screen 5, a large amount of impurities are prevented from being accumulated in the valve body 1 to cause blockage, a horizontal adjusting device 6 is fixedly arranged at the bottom of the fixed base 4, and the horizontal adjusting device 6 can keep the whole pressure reducing valve in an upright state when the installed ground is uneven or is on an inclined plane.

The horizontal adjusting device 6 comprises a bottom plate 61 and an adjusting plate 62, the adjusting plate 62 is fixedly connected with the fixed base 4, a counterweight hemispheroid 63 is arranged between the bottom plate 61 and the adjusting plate 62, the arc surface of the counterweight hemispheroid 63 is connected with the bottom plate 61, after the bottom plate 61 is placed on the ground, the pressure reducing valve can be kept in an upright state through the rotation of the counterweight hemispheroid 63, then the whole state is kept, and the pressure reducing valve is installed.

The supporting mechanism 64 is arranged around the counterweight hemispheroids 63, the surface of the bottom plate 61 is provided with a movable groove matched with the supporting mechanism 64, the supporting mechanism 64 slides in the movable groove, the top of the supporting mechanism 64 is rotationally connected with the adjusting plate 62, the counterweight hemispheroids 63 rotate on the bottom plate 61, the supporting mechanism 64 around can also move to a certain extent, and then the supporting mechanism 64 can be fixed after the counterweight hemispheroids are stabilized.

The supporting mechanism 64 includes a supporting rod 641, a fixed block 642 is fixedly connected to the bottom of the adjusting plate 62, the adjusting supporting rod 641 is rotatably connected to the fixed block 642, a moving slide block 643 is arranged at the bottom of the supporting rod 641, the supporting rod 641 is rotatably connected to the moving slide block 643, the moving slide block 643 is located in a movable groove, a sliding groove 646 is formed in the side wall of the moving slide block 643, a sliding rail matched with the sliding groove 646 is arranged on the inner side wall of the movable groove, the moving slide block 643 slides in the movable groove through the sliding rail, after the counterweight hemisphere 63 rotates, the surrounding supporting rod 641 also moves to a certain extent, and the supporting rod 641 drives the moving slide block 643 to slide in the movable groove, wherein the sliding rail is matched with the sliding groove 646 to limit the moving slide block 643, so that the moving slide block 643 is kept to slide in the movable groove.

The top of the support bar 641 is fixedly connected with a first rotating shaft 644, the support bar 641 is rotatably connected with the fixed block 642 through the first rotating shaft 644, the bottom of the support bar 641 is fixedly connected with a second rotating shaft 645, and the support bar 641 is rotatably connected with the movable slide 643 through the second rotating shaft 645.

The side of the movable slide 643 far away from the supporting rod 641 is provided with a positioning screw 647, the positioning screw 647 is in threaded connection with the movable slide 643, the movable slide 643 is limited by the positioning screw 647 and the bottom plate 61, after the counterweight hemisphere 63 is stabilized, the supporting rod 641 and the movable slide 643 also tend to be stable, and at the moment, the positioning screw 647 can be tightly abutted against the bottom of the movable groove by screwing the positioning screw 647, so that the movable slide 643 can be fixed, and the whole pressure reducing valve is ensured to be in a stable upright state.

The working principle of the utility model is as follows: firstly, the pressure reducing valve is placed on the ground, the counterweight hemispheroids 63 rotate, so that the adjusting plate 62 is in a horizontal state, at this time, the counterweight hemispheroids 63 drive the surrounding supporting rods 641 to move, the supporting rods 641 drive the movable sliding blocks 643 to slide in the movable grooves, after the movable sliding blocks are stabilized, the positioning screws 647 can be screwed, the positioning screws 647 can be abutted against the bottoms of the movable grooves, the movable sliding blocks 643 can be fixed, the whole pressure reducing valve is guaranteed to be in a stable vertical state, and then the pressure reducing valve can be fixedly installed.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. The utility model provides a guide piston type gas relief pressure valve, includes valve body (1), its characterized in that, the one end of valve body (1) is provided with inlet chamber (2), and the other end of valve body (1) is provided with outlet chamber (3), and the bottom fixed connection of valve body (1) has unable adjustment base (4), and the inner chamber fixed mounting of inlet chamber (2) has filter screen (5), and the bottom fixed mounting of unable adjustment base (4) has level adjustment device (6).

2. The pilot piston type gas pressure reducing valve according to claim 1, wherein the horizontal adjusting device (6) comprises a bottom plate (61) and an adjusting plate (62), the adjusting plate (62) is fixedly connected with the fixed base (4), a counterweight hemisphere (63) is arranged between the bottom plate (61) and the adjusting plate (62), and an arc surface of the counterweight hemisphere (63) is connected with the bottom plate (61).

3. The pilot piston type gas pressure reducing valve according to claim 2, wherein supporting mechanisms (64) are arranged around the counterweight hemispheres (63), movable grooves matched with the supporting mechanisms (64) are formed in the surface of the bottom plate (61), the supporting mechanisms (64) slide in the movable grooves, and the tops of the supporting mechanisms (64) are rotationally connected with the adjusting plate (62).

4. The pilot piston type gas pressure reducing valve according to claim 3, wherein the supporting mechanism (64) comprises a supporting rod (641), a fixed block (642) is fixedly connected to the bottom of the adjusting plate (62), the adjusting supporting rod (641) is rotatably connected with the fixed block (642), a movable slide block (643) is arranged at the bottom of the supporting rod (641), the supporting rod (641) is rotatably connected with the movable slide block (643), the movable slide block (643) is located in a movable groove, a sliding groove (646) is formed in the side wall of the movable slide block (643), a sliding rail matched with the sliding groove (646) is arranged on the inner side wall of the movable groove, and the movable slide block (643) slides in the movable groove through the sliding rail.

5. The pilot piston type gas pressure reducing valve according to claim 4, wherein a first rotating shaft (644) is fixedly connected to the top of the supporting rod (641), the supporting rod (641) is rotatably connected to the fixed block (642) through the first rotating shaft (644), a second rotating shaft (645) is fixedly connected to the bottom of the supporting rod (641), and the supporting rod (641) is rotatably connected to the movable slider (643) through the second rotating shaft (645).

6. The pilot piston type gas pressure reducing valve according to claim 5, wherein a positioning screw (647) is arranged on one side of the moving slide block (643) far away from the supporting rod (641), the positioning screw (647) is in threaded connection with the moving slide block (643), and the moving slide block (643) is limited with the bottom plate (61) through the positioning screw (647).