CN220980415U

CN220980415U - Gas pipeline relief pressure valve subassembly

Info

Publication number: CN220980415U
Application number: CN202322974209.5U
Authority: CN
Inventors: 黄炜杰; 张千; 吴玉生; 毛德财
Original assignee: Zhejiang Jieya Electric Technology Co ltd
Current assignee: Zhejiang Jieya Electric Technology Co ltd
Priority date: 2023-11-03
Filing date: 2023-11-03
Publication date: 2024-05-17
Anticipated expiration: 2033-11-03

Abstract

The utility model belongs to the technical field of valves, and particularly relates to a gas pipeline pressure reducing valve assembly, which comprises: the valve body is internally provided with an air outlet end and an air inlet end, the air outlet end is provided with an air outlet, and the air inlet end is provided with an air inlet; the valve cover is arranged on the valve body and is provided with a voltage stabilizing end; the valve clack is arranged between the valve body and the valve cover, and a first spring is arranged between the valve clack and the valve cover; the blocking piece is connected with the valve and extends to the air outlet; wherein one end of the air inlet end is provided with a valve core component, a lower chamber is formed between the valve flap and the valve body, and an upper chamber is formed between the valve flap and the valve cover.

Description

Gas pipeline relief pressure valve subassembly

Technical Field

The utility model belongs to the technical field of valves, and particularly relates to a gas pipeline pressure reducing valve assembly.

Background

The pressure reducing valve is a valve which reduces the inlet pressure to a certain required outlet pressure through adjustment and automatically keeps the outlet pressure stable by means of the energy of a medium; from the viewpoint of fluid mechanics, the pressure reducing valve is a throttling element with variable local resistance, namely, the flow speed and the kinetic energy of fluid are changed by changing the throttling area, so that different pressure losses are caused, and the aim of reducing pressure is achieved; and then, by means of the adjustment of the control and adjustment system, the fluctuation of the valve back pressure is balanced with the spring force, so that the valve back pressure is kept constant within a certain error range.

The pressure reducing valve is widely applied to gas pipelines, but the gas pipelines are often used in a narrow space due to pipeline layout, the existing pressure reducing valve structure is generally longer or larger, and the pressure reducing valve structure occupies a use space extremely during use, so that the pressure reducing valve has an influence on the use of workers, and therefore, the pressure reducing valve assembly for the gas pipelines is particularly designed.

Disclosure of utility model

The utility model aims at solving the technical problems, and provides a gas pipeline pressure reducing valve assembly which achieves the effects of compact structure and convenient installation.

In view of this, the present utility model provides a gas line pressure relief valve assembly comprising:

The valve body is internally provided with an air outlet end and an air inlet end, the air outlet end is provided with an air outlet, and the air inlet end is provided with an air inlet;

the valve cover is arranged on the valve body and is provided with a voltage stabilizing end;

The valve clack is arranged between the valve body and the valve cover, and a first spring is arranged between the valve clack and the valve cover;

The blocking piece is connected with the valve and extends to the air outlet;

Wherein one end of the air inlet end is provided with a valve core component, a lower chamber is formed between the valve flap and the valve body, and an upper chamber is formed between the valve flap and the valve cover.

In the above technical solution, further, the blocking member includes:

one end of the connecting rod is provided with a connector, and the other end of the connecting rod is connected with a blocking piece;

The cushion frame is provided with a connecting hole, a plurality of vertical sheet bodies are circumferentially arranged on the cushion frame by taking the connecting hole as a center, and one end of the first spring is connected to the vertical sheet bodies;

wherein, the flange is formed on the valve, the flange is internally provided with a connecting groove, and the connector is fixed with the connecting groove.

In the above technical solution, further, the blocking piece includes:

A first blocking piece;

a second blocking piece;

wherein, first stifled piece sets up in the stifled piece downside of second, and the stifled piece of second and the cooperation of pad frame block, the lamella.

In the above technical solution, further, the valve cover includes:

The body is provided with a columnar boss, and a clamping block is arranged on the inner side of the columnar boss;

The nut is connected with the columnar boss, and a jacking block is arranged in the nut and jacks the clamping block;

wherein, first spring one end supports on the pad frame, and the fixture block is connected to the other end.

In the above technical solution, further, the method further includes:

The closing-in block is annular and is provided with a gas passing port in a molding way, and the closing-in pipe is arranged on the gas outlet;

The first blocking piece extends into the air outlet end at the inner side of the air passing port, and the second blocking piece is arranged at the outer side of the air passing port.

In the above technical solution, further, the method further includes:

and the upright post is formed on the end surface of the lower cavity and props up against the valve.

In the above technical solution, further, the method further includes:

And one end of the second spring is arranged on the plug, and the other end of the second spring extends into the columnar bulge and is connected to the top block in the nut.

The beneficial effects of the utility model are as follows:

The whole structure is compact, and then small, is applicable to the narrow and small space in the gas pipeline, simultaneously, the lamella is adjusted the giving vent to anger and then reduce mechanical contact through the sprue, and then increase of service life, and the inlet end can be directly connected with the gas pipeline with the end of giving vent to anger to convenient to use.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a schematic view of a valve body of the present utility model;

FIG. 3 is a cross-sectional view of the present utility model;

FIG. 4 is an enlarged view of A in FIG. 3;

The label in the figure is: 1. a valve body; 2. an air outlet end; 3. an air inlet end; 4. an air outlet; 5. an air inlet; 6. a valve cover; 61. a body; 611 columnar projections; 62. a screw cap; 7. a voltage stabilizing end; 8. a valve (2); 9. a first spring; 10. a blocking piece; 101. a connecting rod; 102. a cushion frame; 11. a valve core assembly; 12. a lower chamber; 13. an upper chamber; 14. a connector; 15. plugging sheets; 151. a first blocking piece; 152. a second blocking piece; 16. a vertical sheet; 17. a clamping block; 18. a top block; 19. closing up the block; 20. a gas passing port; 21. a column; 22. a second spring; 23. and a flange.

Detailed Description

The technical solutions of the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which are obtained by a person skilled in the art based on the embodiments of the present application, fall within the scope of protection of the present application.

Example 1:

the embodiment provides a gas pipeline relief valve subassembly, includes:

The valve body 1, there are air outlet end 2 and air inlet end 3 in the valve body 1, take shape the air outlet 4 on the air outlet end 2, take shape the air inlet 5 on the air inlet end 3;

The valve cover 6 is arranged on the valve body 1, and the valve cover 6 is provided with a pressure stabilizing end 7;

A valve clack 8 is arranged between the valve body 1 and the valve cover 6, and a first spring 9 is arranged between the valve clack 8 and the valve cover 6;

the blocking piece 10, the blocking piece 10 is connected with the valve flap 8 and extends to the air outlet 4;

Wherein, the inlet end 3 is provided with case subassembly 11 in one end, forms lower cavity 12 between valve lamella 8 and valve body 1, forms upper cavity 13 between valve lamella 8 and valve gap 6.

As can be seen from the present embodiment, the gas pipeline pressure reducing valve assembly includes a valve body 1, a valve cover 6, a valve flap 8 and a blocking member 10, wherein the valve flap 8 is disposed between the valve body 1 and the valve cover 6, a lower chamber 12 is formed between the valve flap 8 and the valve body 1, an upper chamber 13 is formed between the valve flap 8 and the valve cover 6, a first spring 9 is installed between the valve flap 8 and the valve cover 6, and the valve flap 8 realizes a pressure reducing effect under the action of pressure change between the lower chamber 12 and the upper chamber 13;

the valve body 1 is internally provided with the air outlet end 2 and the air inlet end 3, one side of the air inlet 5 on the air inlet end 3 is provided with the valve core component 11, the pressure relief cavity is directly formed in the valve body 1, the air outlet end 2 and the air inlet end 3 are formed after being welded with the valve body 1 by pipe fittings, and therefore the structure is compact and the volume is small, and when the valve is used, the valve core component 11 controls fuel gas to enter the pressure relief cavity from the air inlet end 3 and be sent out from the air outlet end 2 after passing through the air outlet 4;

The valve cover 6 is connected to the valve body 1, the valve cover 6 is provided with a pressure stabilizing end 7, the pressure stabilizing end 7 is a small pipe fitting, the small pipe fitting is punched on the valve cover 6 and welded to form after being aligned with the hole, the pressure stabilizing hole is connected with a pressure supply source, and the pressure stabilizing device plays a role in cooperation with the valve 8 in pressure stabilization during use;

The blocking piece 10 is connected to the valve flap 8 and seals the air outlet 4, when in use, the blocking piece 10 seals or exposes the air outlet 4 under the action of inward shrinkage or outward expansion of the valve flap 8 caused by pressure change, and the size of the sealed and exposed air outlet 4 is influenced by a motion state, so that the air outlet section of the air outlet 4 can be adjusted by self-adapting to the pressure change;

The whole structure is compact, and then small, is applicable to the narrow and small space in the gas pipeline, simultaneously, the lamella 8 is adjusted the giving vent to anger and then reduce mechanical contact through the sprue, and then increase of service life, and inlet end 3 and outlet end 2 can be directly be connected with the gas pipeline to convenient to use.

Example 2:

The present embodiment provides a gas line pressure reducing valve assembly having the following technical features in addition to the technical scheme including the above embodiment.

The blanking member 10 comprises:

The connecting rod 101, one end of the connecting rod 101 is formed with a connector 14, and the other end is connected with a blocking piece 15;

The cushion frame 102 is provided with a connecting hole, a plurality of vertical sheet bodies 16 are circumferentially arranged on the cushion frame 102 by taking the connecting hole as a center, and one end of the first spring 9 is connected to the vertical sheet bodies 16;

wherein, flange 23 is formed on flap 8, is provided with the spread groove in the flange 23, and connector 14 is fixed with the spread groove.

As can be seen in this embodiment, the blanking member 10 comprises a connecting rod 101 and a gasket frame 102;

One end of the connecting rod 101 is formed with a connector 14 for connecting the valve flap 8, and the other end is formed with a blocking piece 15 for blocking the air outlet 4;

The cushion frame 102 is a metal sheet body, edges are formed on the periphery of the cushion frame, a frame body is formed, a connecting hole is formed in the cushion frame 102 and is used for being matched with the flap 8 for fixing, meanwhile, a vertical sheet body 16 is formed in the cushion frame 102 in the circumferential direction with the connecting hole as the center, the vertical sheet body 16 is used for being connected with the first spring 9, and the first spring 9 is positioned, so that the cushion frame is convenient to fix, the connecting hole is slightly smaller than the connecting hole in size, and the cushion frame is matched with the connecting rod 101 after being pressed through the plug by a large force;

The flange 23 is formed on the valve 8, the connecting groove is formed in the flange 23, when the valve is used, the connecting rod 101 is fixed to the valve 8 after the connector 14 is matched with the connecting groove, meanwhile, the connecting hole is matched with the flange 23, further, in order to ensure that the connection is stable, the annular groove is formed at the bottom of the flange 23, the gasket frame 102 is clamped in the annular groove to realize fixation, the integral structure is simple, the assembly is convenient, and the blocking piece 10 is fixed to the air outlet 4 after the valve 8 is connected between the valve body 1 and the valve cover 6.

Example 3:

The blanking piece 15 includes:

A first blocking piece 151;

A second plug 152;

The first blocking piece 151 is disposed at the lower side of the second blocking piece 152, and the second blocking piece 152 is matched with the cushion frame 102 to block the valve 8.

As can be seen in this embodiment, the blanking piece 15 includes a first blanking piece 151 and a second blanking piece 152;

The first piece 151 is in the downside of second piece 152, and the one end shaping of first piece 151 towards second piece 152 has the cambered surface and then can be better when using seals gas outlet 4, and the second piece 152 is less than the size of passing gas mouth 20, when using, prop in the downside of valve 8 after valve 8 and connector 14 cooperation for valve 8 and connecting rod 101's piece are connected firmly, play the effect of reinforcing connection effect.

Example 4:

The valve cover 6 includes:

the body 61, the body 61 is formed with a column boss, the inner side of the column boss 611 is provided with a clamping block 17;

The nut 62, the nut 62 connects the column boss, and there are ejector blocks 18 in the nut 62, ejector block 18 withstands the fixture block 17;

Wherein, one end of the first spring 9 is propped against the cushion frame 102, and the other end is connected with the clamping block 17.

As can be seen in this embodiment, the valve cap 6 comprises a body 61 and a nut 62;

The body 61 is formed with a cylindrical boss which is hollow, the wall surface is formed with a thread, the nut 62 is connected to the thread, the cylindrical boss 611 is connected with a clamping block 17 in a threaded manner, the clamping block 17 is annular, one end of the clamping block 17 is in a closing-up shape, when in use, one closing-up end of the clamping block 17 is connected to the inner side of the cylindrical boss 611 in a threaded manner, and a circular cut-in groove is formed between the port of the inner side of the cylindrical boss 611 and the port wall surface of the inner side of the cylindrical boss 611;

One end of the first spring 9 is clamped in the circular embedded groove, and the other end is clamped on the vertical sheet body 16, so that the first spring 9 is subjected to multiple limiting, and the condition that the use is affected due to the dislocation of the spring in the using and carrying processes is prevented;

The nut 62 is connected to the columnar boss 611, and the top block 18 is installed in the nut 62, and the top block 18 abuts against the clamping block 17 after the connection is completed, so that the connection of the clamping block 17 is stable and difficult to loosen.

Example 5:

The closing-in block 19, the closing-in block 19 is in a circular ring shape, and is provided with a gas passing port 20, and a closing-in pipe is arranged on the gas outlet 4;

Wherein, the first blocking piece 151 extends into the air outlet end 2 inside the air passing port 20, and the second blocking piece 152 is arranged outside the air passing port 20.

According to the embodiment, the closing-in block 19 is arranged on the air outlet 4, the closing-in block 19 is made of rubber materials, the air passing opening 20 is formed in the closing-in block 19, the size of the air passing opening 20 is slightly smaller than that of the first blocking piece 151, when the air passing-in block is used, the first blocking piece 151 is pushed to pass through the air passing opening 20 through a large force, meanwhile, the closing-in block 19 is made of rubber materials, and further the stress can deform, so that the first blocking piece 151 can pass through conveniently, and meanwhile, under the condition that the pressure of the air outlet end 2 is large, the cambered surface of the first blocking piece 151 can be better attached to the air passing opening 20 on the closing-in block 19, so that the closing-in effect is good.

Example 6:

The upright post 21, the upright post 21 is formed on the end face of the lower chamber 12 and props up against the valve 8.

In this embodiment, it can be seen that the upright post 21 is formed in the lower chamber 12 and abuts against the valve flap 8, so that the valve flap 8 does not directly contact with the air outlet 4, and further, the valve flap 8 is prevented from being sucked onto the air passing port 20 and being cut by the edge of the port of the air passing port 20 under the pressure change.

Example 7:

A second spring 22, one end of the second spring 22 is disposed on the stopper, and the other end extends into the columnar projection 611 and is connected to the top block 18 in the nut 62.

In this embodiment, the second spring 22 is detachably connected to the plug and extends to the columnar boss 611 to abut against the top block 18 to be fixed, and the second spring 22 is used to cooperate with the first spring 9 to change the elastic pressure coefficient, so as to adjust the pressure threshold range.

The embodiments of the present application have been described above with reference to the accompanying drawings, in which the embodiments of the present application and features of the embodiments may be combined with each other without conflict, the present application is not limited to the above-described embodiments, which are merely illustrative, not restrictive, of the present application, and many forms may be made by those of ordinary skill in the art without departing from the spirit of the present application and the scope of the claims, which are protected by the present application.

Claims

1. A gas line pressure relief valve assembly, comprising:

The valve comprises a valve body (1), wherein an air outlet end (2) and an air inlet end (3) are arranged in the valve body (1), an air outlet (4) is formed in the air outlet end (2), and an air inlet (5) is formed in the air inlet end (3);

The valve cover (6) is arranged on the valve body (1), and the valve cover (6) is provided with a pressure stabilizing end (7);

the valve clack (8) is arranged between the valve body (1) and the valve cover (6), and a first spring (9) is arranged between the valve clack (8) and the valve cover (6);

the blocking piece (10), the blocking piece (10) is connected with the valve flap (8) and extends to the air outlet (4);

The valve comprises a valve body (1), a valve body (8) and a valve core assembly (11) arranged at one end of the air inlet end (3), a lower cavity (12) formed between the valve body (8) and the valve body, and an upper cavity (13) formed between the valve body (8) and the valve cover (6).

2. A gas line pressure relief valve assembly as claimed in claim 1, wherein the plug (10) comprises:

The connecting rod (101), one end of the connecting rod (101) is formed with a connector (14), and the other end is connected with a blocking piece (15);

The cushion comprises a cushion frame (102), wherein a connecting hole is formed in the cushion frame (102), a plurality of vertical sheet bodies (16) are circumferentially arranged on the cushion frame (102) with the connecting hole as the center, and one end of a first spring (9) is connected to the vertical sheet bodies (16);

The valve flap (8) is provided with a flange (23) in a molding mode, a connecting groove is formed in the flange (23), and the connector (14) is fixed with the connecting groove.

3. A gas line pressure relief valve assembly as claimed in claim 2, wherein the plug (15) comprises:

A first stopper (151);

a second plug (152);

The first blocking piece (151) is arranged at the lower side of the second blocking piece (152), and the second blocking piece (152) is matched with the cushion block to clamp the valve (8).

4. A gas line pressure relief valve assembly according to claim 3, wherein the valve cover (6) comprises:

The body (61), the body (61) is formed with a columnar boss, and a clamping block (17) is arranged at the inner side of the columnar boss (611);

The nut (62), the said nut (62) connects the column boss, and there are jacking blocks (18) in the said nut (62), the said jacking block (18) withstands the fixture block (17);

One end of the first spring (9) is propped against the cushion frame (102), and the other end of the first spring is connected with the clamping block (17).

5. The gas line pressure relief valve assembly as set forth in claim 4, further comprising:

the closing-in block (19), the closing-in block (19) is in a ring shape and is provided with a gas passing port (20), and the closing-in pipe is arranged on the gas outlet (4);

The first blocking piece (151) extends into the air outlet end (2) at the inner side of the air passing port (20), and the second blocking piece (152) is arranged at the outer side of the air passing port (20).

6. The gas line pressure relief valve assembly as set forth in claim 5, further comprising:

The upright post (21), the upright post (21) is formed on the end face of the lower cavity (12) and is propped up against the valve (8).

7. The gas line pressure relief valve assembly as set forth in claim 6, further comprising:

And one end of the second spring (22) is arranged on the plug, and the other end of the second spring (22) extends into the columnar bulge (611) and is connected to the top block (18) in the nut (62).