CN210739654U

CN210739654U - Water supply and drainage pressure reducing and stabilizing valve

Info

Publication number: CN210739654U
Application number: CN201921909897.4U
Authority: CN
Inventors: 王亮
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-07
Filing date: 2019-11-07
Publication date: 2020-06-12
Anticipated expiration: 2029-11-07

Abstract

The utility model discloses a water supply and drainage pressure-reducing and stabilizing valve, wherein a sealing mechanism comprises a rotating block, a limiting block, a semicircular ring bulge, a semicircular ring groove and an annular fixing plate; the contact surface of the water inlet pipeline and the water inlet is arranged to be downward inclined; the lower end of the water inlet pipeline is provided with an outward semicircular bulge; a semicircular groove is formed in the part of the water inlet matched with the semicircular bulge; an annular fixing plate is fixed on the outer side of the water inlet pipeline; the outer side of the water inlet is provided with a rotating block in a rotating and sliding way; the bottom end of the left side of the rotating block is matched with the outer side of the annular fixing plate through threads; and a limiting block for limiting the separation of the rotating block is arranged on the water inlet positioned on the left side of the rotating block. The water supply and drainage pressure reduction and stabilization valve can seal the pipeline joint by arranging the sealing mechanism, so that high-pressure water is prevented from permeating; through setting up first annular arch, second annular arch, first annular groove and second annular groove, can further improve sealed effect.

Description

Water supply and drainage pressure reducing and stabilizing valve

Technical Field

The utility model relates to a valve specifically is a water supply and drainage decompression surge damping valve.

Background

The pressure reducing and stabilizing valve is also called a pressure reducing valve and is used for adjusting the flow of a medium, reducing the pressure of the medium, keeping the pressure of the medium behind the valve within a certain range, and keeping the pressure of an outlet within a set range under the condition that the pressure of the inlet is continuously changed.

Most of the existing pressure reducing and stabilizing valves and water inlet pipelines are in sealing connection through flange plates, water leakage is easy to occur at the connection position due to the connection mode, high-pressure water at a water inlet easily permeates out and drips on the surface of the pressure reducing and stabilizing valve, and the pressure reducing and stabilizing valve is corroded after long-term use, so that the structure of the pressure reducing and stabilizing valve is damaged.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a water supply and drainage decompression surge damping valve to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a water supply and drainage pressure reducing and stabilizing valve comprises a pressure reducing and stabilizing valve, a water inlet, a water outlet, a water inlet pipeline, a water outlet pipeline and a sealing mechanism; a water inlet and a water outlet are respectively arranged on two sides of the pressure reducing and stabilizing valve; the water inlet and the water outlet are respectively connected with a water inlet pipeline and a water outlet pipeline through a sealing mechanism; the sealing mechanism comprises a rotating block, a limiting block, a semicircular ring bulge, a semicircular ring groove and an annular fixing plate; the contact surface of the water inlet pipeline and the water inlet is arranged to be downward inclined; the lower end of the water inlet pipeline is provided with an outward semicircular bulge; a semicircular groove is formed in the part of the water inlet matched with the semicircular bulge; the upper end of the water inlet pipeline is provided with a downward annular groove, the top end of the water inlet is provided with an outward annular sealing ring, and the annular sealing ring of the water inlet is matched with the annular groove of the water inlet pipeline; an annular fixing plate is fixed on the outer side of the water inlet pipeline; the outer side of the water inlet is provided with a rotating block in a rotating and sliding manner; the bottom end of the left side of the rotating block is matched with the outer side of the annular fixing plate through threads; and a limiting block for limiting the separation of the rotating block is arranged on the water inlet positioned on the left side of the rotating block.

As a further aspect of the present invention: the water inlet pipeline is also provided with an inward first annular groove; a first annular bulge matched with the first annular groove is formed on the water inlet at one side of the first annular groove; the width of the first annular protrusion is the same as the depth of the first annular groove.

As a further aspect of the present invention: the water inlet pipeline is also provided with a second outward annular bulge; a second annular groove matched with the water inlet on one side of the second annular bulge is formed on the water inlet; the width of the second annular bulge is the same as the depth of the second annular groove; the second annular bulge is located above the first annular groove, and the width of the second annular bulge is larger than that of the first annular bulge.

As a further aspect of the present invention: the outermost sides of the first annular bulge and the second annular bulge are semi-annular.

As a further aspect of the present invention: the protruding outside of semicircle ring, first annular arch and the protruding outside of second annular are the silica gel sealing washer.

Compared with the prior art, the beneficial effects of the utility model are that: by arranging the sealing mechanism, the pipeline joint can be sealed, and high-pressure water is prevented from permeating out; through setting up first annular arch, second annular arch, first annular groove and second annular groove, can further improve sealed effect.

Drawings

FIG. 1 is a schematic structural diagram of a water supply and drainage pressure reducing and stabilizing valve.

Fig. 2 is an enlarged schematic view of a portion a of fig. 1.

In the figure, 1-a pressure reducing and stabilizing valve, 2-a water inlet, 3-a water outlet, 4-a water inlet pipeline, 5-a water outlet pipeline, 6-a rotating block, 7-a limiting block, 8-a semicircular ring bulge, 9-a semicircular ring groove, 10-a first annular groove, 11-a first annular bulge, 12-a second annular groove, 13-a second annular bulge and 14-an annular fixing plate.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Example 1

Referring to fig. 1-2, the present embodiment provides a water supply and drainage pressure reducing and stabilizing valve, which includes a pressure reducing and stabilizing valve 1, a water inlet 2, a water outlet 3, a water inlet pipeline 4, a water outlet pipeline 5 and a sealing mechanism; a water inlet 2 and a water outlet 3 are respectively arranged on two sides of the pressure reducing and stabilizing valve 1; the water inlet 2 and the water outlet 3 are respectively connected with a water inlet pipeline 4 and a water outlet pipeline 5 through a sealing mechanism; the sealing mechanism comprises a rotating block 6, a limiting block 7, a semicircular ring bulge 8, a semicircular ring groove 9 and an annular fixing plate 14; the contact surface of the water inlet pipeline 4 and the water inlet 2 is arranged to be downward inclined; the lower end of the water inlet pipeline 4 is provided with an outward semicircular bulge 8; a semicircular groove 9 is formed in the part of the water inlet 2 matched with the semicircular bulge 8; the upper end of the water inlet pipeline 4 is provided with a downward annular groove, the top end of the water inlet 2 is provided with an outward annular sealing ring, and the annular sealing ring of the water inlet 2 is matched with the annular groove of the water inlet pipeline 4; an annular fixing plate 14 is fixed on the outer side of the water inlet pipeline 4; the outer side of the water inlet 2 is provided with a rotating block 6 in a rotating and sliding way; the bottom end of the left side of the rotating block 6 is matched with the outer side of the annular fixing plate 14 through threads; a limiting block 7 for limiting the separation of the rotating block 6 is also arranged on the water inlet 2 positioned at the left side of the rotating block 6; when the water inlet 2 and the water inlet pipeline 4 need to be sealed, the rotating block 6 is rotated to be firmly fixed with the annular fixing plate 14, the annular groove and the semicircular ring protrusion 8 on the water inlet pipeline 4 are firmly attached to the annular sealing ring and the semicircular ring groove 9 on the water inlet 2 respectively, and the contact surface of the water inlet pipeline 4 and the water inlet 2 is set to be a downward inclined shape, so that high-pressure water in the water inlet pipeline 4 and the water inlet 2 cannot permeate out, and the pressure reducing and stabilizing valve 1 is protected.

In order to further improve the sealing effect and prevent high-pressure water from permeating out, the water inlet pipeline 4 is also provided with an inward first annular groove 10; a first annular bulge 11 matched with the water inlet 2 at one side of the first annular groove 10 is formed on the water inlet 2; the width of the first annular protrusion 11 is the same as the depth of the first annular groove 10, so that the sealing effect can be further improved.

In order to further improve the sealing effect, the water inlet pipeline 4 is also provided with a second outward annular bulge 13; a second annular groove 12 matched with the water inlet 2 at one side of the second annular bulge 13 is formed on the water inlet 2; the width of the second annular bulge 13 is the same as the depth of the second annular groove 12; the second annular bulge 13 is located above the first annular groove 10, and the width of the second annular bulge 13 is larger than that of the first annular bulge 11, so that the sealing effect can be further improved.

The outermost sides of the first annular bulge 11 and the second annular bulge 13 are semi-annular, so that the sealing effect can be improved, and the stability of the sealing mechanism structure can be guaranteed.

The working principle of the embodiment is as follows: when the water inlet 2 and the water inlet pipeline 4 need to be sealed, the rotating block 6 is rotated to be firmly fixed with the annular fixing plate 14, and the annular groove and the semicircular ring bulge 8 on the water inlet pipeline 4 are firmly attached to the annular sealing ring and the semicircular ring groove 9 on the water inlet 2 respectively; the first annular groove 10 and the second annular bulge 13 on the water inlet pipeline 4 are respectively matched with the first annular bulge 11 and the second annular groove 12 on the water inlet 2, and the contact surface of the water inlet pipeline 4 and the water inlet 2 is arranged to be downward inclined, so that high-pressure water in the water inlet pipeline 4 and the water inlet 2 cannot permeate out, and the pressure reducing and stabilizing valve 1 is protected.

Example 2

The embodiment is further improved on the basis of the embodiment 1, and the improvement is as follows: the protruding outside of 8, the protruding 11 of first annular of semicircle ring and the protruding outside material of 13 of second annular do not add the restriction, in this embodiment, preferentially, the protruding outside of 8, the protruding 11 of first annular of semicircle ring and the protruding outside material of 13 of second annular are the silica gel sealing washer, set up like this, can improve sealing mechanism's sealed effect, can guarantee that sealing mechanism structure is more stable secondly.

It should be noted that, as is obvious to a person skilled in the art, the invention is not limited to details of the above-described exemplary embodiments, but can be embodied in other specific forms without departing from the spirit or essential characteristics thereof.

Claims

1. A water supply and drainage pressure reducing and stabilizing valve comprises a pressure reducing and stabilizing valve (1), a water inlet (2), a water outlet (3), a water inlet pipeline (4), a water outlet pipeline (5) and a sealing mechanism; a water inlet (2) and a water outlet (3) are respectively arranged on two sides of the pressure reducing and stabilizing valve (1); the water inlet (2) and the water outlet (3) are respectively connected with a water inlet pipeline (4) and a water outlet pipeline (5) through a sealing mechanism; the sealing mechanism is characterized by comprising a rotating block (6), a limiting block (7), a semicircular ring bulge (8), a semicircular ring groove (9) and an annular fixing plate (14); the contact surface of the water inlet pipeline (4) and the water inlet (2) is arranged to be downward inclined; the lower end of the water inlet pipeline (4) is provided with an outward semicircular bulge (8); a semicircular groove (9) is formed in the part of the water inlet (2) matched with the semicircular bulge (8); the upper end of the water inlet pipeline (4) is provided with a downward annular groove, the top end of the water inlet (2) is provided with an outward annular sealing ring, and the annular sealing ring of the water inlet (2) is matched with the annular groove of the water inlet pipeline (4); an annular fixing plate (14) is fixed on the outer side of the water inlet pipeline (4); the outer side of the water inlet (2) is provided with a rotating block (6) in a rotating and sliding manner; the bottom end of the left side of the rotating block (6) is matched with the outer side of the annular fixing plate (14) through threads; a limiting block (7) for limiting the separation of the rotating block (6) is arranged on the water inlet (2) positioned on the left side of the rotating block (6).

2. A water supply and drain pressure reducing and stabilizing valve according to claim 1, wherein the water inlet pipe (4) is further provided with a first inward annular groove (10); a first annular bulge (11) matched with the water inlet (2) is formed on the water inlet (2) positioned on one side of the first annular groove (10); the width of the first annular protrusion (11) is the same as the depth of the first annular groove (10).

3. A water supply and drain pressure reducing and stabilizing valve according to claim 2, wherein the water inlet pipe (4) is further provided with a second outward annular bulge (13); a second annular groove (12) matched with the water inlet (2) is formed on the water inlet (2) positioned on one side of the second annular bulge (13); the width of the second annular bulge (13) is the same as the depth of the second annular groove (12); the second annular bulge (13) is positioned above the first annular groove (10), and the width of the second annular bulge (13) is larger than that of the first annular bulge (11).

4. A water supply and drain pressure reducing and stabilizing valve according to claim 3, characterized in that the outermost side of the first annular bulge (11) and the second annular bulge (13) is arranged in a semi-circular ring shape.

5. A water supply and drainage pressure reducing and stabilizing valve as claimed in claim 4, wherein the outermost side of the semicircular annular bulge (8), the outermost side of the first annular bulge (11) and the outermost side of the second annular bulge (13) are made of silicon rubber sealing rings.