CN217482011U

CN217482011U - Pressure gauge emptying device of stop valve

Info

Publication number: CN217482011U
Application number: CN202220882241.3U
Authority: CN
Inventors: 严俭祥; 严斌; 唐璐
Original assignee: Jiangsu Fuxiang Valve Manufacturing Co ltd
Current assignee: Jiangsu Fuxiang Valve Manufacturing Co ltd
Priority date: 2022-04-15
Filing date: 2022-04-15
Publication date: 2022-09-23
Anticipated expiration: 2032-04-15

Abstract

The utility model discloses a pressure gauge emptying device of a stop valve, which relates to the technical field of emptying devices, and comprises a connecting pipe, a stop valve fixedly arranged on the outer side wall of the connecting pipe, a pressure gauge and an emptying mechanism fixedly connected to the outer side wall of the connecting pipe; the emptying mechanism comprises a mounting sleeve fixedly connected to the outer side wall of the connecting pipe, a first sealing mechanism arranged on the inner side wall of the mounting sleeve, a pressure relief opening formed in the inner side wall of the mounting sleeve, and a fixing bolt connected with the mounting sleeve in a threaded manner, and a second sealing mechanism comprises a stop block fixedly connected to the outer side wall of the fixing bolt, a spring groove formed in the outer side wall of the stop block, a connecting spring fixedly connected to the bottom of the spring groove, and a movable block fixedly connected to the other end of the connecting spring. The utility model discloses a manometer unloading device of stop valve, movable block are under coupling spring's effect, and partly slide to the inside of pressure release mouth, and then come to seal the pressure release mouth, when further strengthening sealed effect, prevent that debris from blockking up the pressure release mouth.

Description

Pressure gauge emptying device of stop valve

Technical Field

The utility model relates to an emptying devices technical field, in particular to manometer emptying devices of stop valve.

Background

The pressure gauge stop valve is widely applied to industrial production processes of chemical industry, petroleum, metallurgy, mines, electric power, energy, environmental protection and the like, is used for connecting a pressure gauge, measuring and managing pressure, discharging dirt on a pipeline for conveying a medium or sampling in due time for component analysis according to needs, and has the advantages of convenience in mounting and dismounting, fastening in connection, high fireproof, explosion-proof and pressure-resistant capabilities, good sealing performance and the like.

Manometer unloading device in the existing market generally uses the unloading pore to carry out pressure release unloading, blowdown to it, but when the stop valve normally worked, its unloading pore one side was sealed, and the opposite side exposes in the air, is blockked up by the impurity in the air easily, and then influences the use of unloading pore.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides the manometer emptying devices of stop valve, the easy impurity in the air of drain in can effectively solving the background art blocks up, and then influences the problem of the use of drain.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the pressure gauge emptying device of the stop valve comprises a connecting pipe, the stop valve and the pressure gauge which are fixedly arranged on the outer side wall of the connecting pipe, and an emptying mechanism which is fixedly connected to the outer side wall of the connecting pipe;

the emptying mechanism comprises a mounting sleeve fixedly connected to the outer side wall of the connecting pipe, a first sealing mechanism arranged on the inner side wall of the mounting sleeve, a pressure relief opening formed in the inner side wall of the mounting sleeve, a fixing bolt in threaded connection with the mounting sleeve, and a second sealing mechanism connected with the fixing bolt, wherein a through hole is formed in the inner side wall of the mounting sleeve, and the interior of the mounting sleeve is communicated with the interior of the connecting pipe through the through hole;

the second sealing mechanism comprises a stop block fixedly connected to the outer side wall of the fixing bolt, a spring groove formed in the outer side wall of the stop block, a connecting spring fixedly connected to the bottom of the spring groove and a movable block fixedly connected to the other end of the connecting spring, and a limiting mechanism is arranged between the movable block and the spring groove.

Preferably, the outlet of the connecting pipe is close to the stop valve, and the inlet of the connecting pipe is close to the pressure gauge.

Preferably, a sealing groove is formed in the side wall, close to the through hole, of the mounting sleeve, the sealing groove is an O-shaped groove, and an O-shaped sealing ring is mounted inside the sealing groove.

Preferably, the check block comprises a connecting block and an arc-shaped block, one end of the connecting block is fixedly connected with the outer side wall of the fixing bolt, the arc-shaped block is fixedly connected to the other end of the connecting block, and the cross section of the arc-shaped block is matched with that of the mounting sleeve.

Preferably, stop gear is including seting up at the spacing groove of spring inslot lateral wall, fixed connection at the slider of movable block lateral wall, the external diameter size of slider equals with the internal diameter size in spacing groove, and the slider slides at spacing inslot portion.

Preferably, the movable block comprises a cylinder fixedly connected with the connecting spring and an arc-shaped block fixedly connected to the top of the cylinder, and the outer diameter of the cylinder is equal to the inner diameter of the spring groove.

Preferably, the outer diameter of the cylinder is equal to that of the pressure relief opening.

Compared with the prior art, the utility model discloses following beneficial effect has:

in the utility model, when the valve is in a closed state, the fixing bolt is rotated anticlockwise to separate the fixing bolt from the mounting sleeve, and the movable block compresses the connecting spring by stress and retracts into the spring groove to separate the movable block from the pressure relief opening, then the fixing bolt is rotated continuously until the fixing bolt is separated from the pressure relief opening, so that high-pressure medium in the pressure gauge and the pipeline cavity is emptied through the pressure relief opening, so as to replace and maintain the pressure gauge, when the valve is in an open state, the fixing bolt is rotated clockwise until the fixing bolt supports against the O-shaped sealing ring arranged in the sealing groove, so that one side of the pressure relief opening is blocked, and the opening of the pressure relief opening is opposite to the spring groove, so that a part of the movable block slides into the pressure relief opening under the action of the connecting spring to seal the pressure relief opening, the sealing effect is further enhanced, and meanwhile, sundries are prevented from blocking the pressure relief opening.

Drawings

FIG. 1 is a schematic view of the overall internal structure of the pressure gauge emptying device of the stop valve of the present invention;

FIG. 2 is an enlarged schematic view of the structure A of FIG. 1 of the pressure gauge emptying device of the stop valve according to the present invention;

FIG. 3 is an enlarged schematic view of the structure B in FIG. 2 of the pressure gauge emptying device of the stop valve according to the present invention;

FIG. 4 is a schematic structural view of the pressure gauge emptying device of the stop valve according to the present invention when the mounting sleeve is sealed;

fig. 5 is the connecting structure schematic diagram of the fixing bolt and the stop dog of the pressure gauge emptying device of the stop valve of the utility model.

In the figure: 1. taking over the pipe; 2. a stop valve; 3. a pressure gauge; 4. installing a sleeve; 5. a sealing groove; 6. a pressure relief port; 7. fixing the bolt; 8. a stopper; 9. a connecting spring; 10. a movable block; 11. a limiting groove; 12. a slide block.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the utility model relates to a pressure gauge emptying device of a stop valve, which comprises a connecting pipe 1, a stop valve 2 and a pressure gauge 3 which are fixedly arranged on the outer side wall of the connecting pipe 1, and an emptying mechanism fixedly connected on the outer side wall of the connecting pipe 1;

the emptying mechanism comprises a mounting sleeve 4 fixedly connected to the outer side wall of the connecting pipe 1, a first sealing mechanism arranged on the inner side wall of the mounting sleeve 4, a pressure relief opening 6 formed in the inner side wall of the mounting sleeve 4, a fixing bolt 7 in threaded connection with the mounting sleeve 4 and a second sealing mechanism connected with the fixing bolt 7, wherein a through hole is formed in the inner side wall of the mounting sleeve 4, and the interior of the mounting sleeve 4 is communicated with the interior of the connecting pipe 1 through the through hole;

the second sealing mechanism comprises a stop block 8 fixedly connected to the outer side wall of the fixing bolt 7, a spring groove formed in the outer side wall of the stop block 8, a connecting spring 9 fixedly connected to the bottom of the spring groove, and a movable block 10 fixedly connected to the other end of the connecting spring 9, and a limiting mechanism is arranged between the movable block 10 and the spring groove.

The export of takeover 1 is close to stop valve 2 and the import of takeover 1 is close to manometer 3, and when stop valve 2 closed, manometer 3 can detect its pressure condition.

The side wall of the mounting sleeve 4 close to the through hole is provided with a sealing groove 5, the sealing groove 5 is an O-shaped groove, an O-shaped sealing ring is arranged inside the sealing groove, and the O-shaped sealing ring inside the sealing groove 5 is abutted through a fixing bolt 7, so that the sealing performance between the mounting sleeve 4 and the connecting pipe 1 is improved.

Dog 8 includes one end and 7 lateral wall fixed connection's of fixing bolt connecting block and the arc piece of fixed connection at the connecting block other end, and the cross section of arc piece and the cross section phase-match of installation sleeve 4 can plug up pressure release mouth 6 through the dog 8 that sets up.

Stop gear is including seting up at the spacing groove 11 of spring inslot lateral wall, the slider 12 of fixed connection at the 10 lateral walls of movable block, and the external diameter size of slider 12 equals with the internal diameter size of spacing groove 11, and slider 12 slides at spacing groove 11 insidely, through the cooperation of slider 12 with spacing groove 11 for more steady that movable block 10 removed.

The movable block 10 comprises a cylinder fixedly connected with the connecting spring 9 and an arc-shaped block fixedly connected to the top of the cylinder, and the outer diameter of the cylinder is equal to the inner diameter of the spring groove.

The external diameter size of cylinder equals with the external diameter size of pressure release mouth 6, guarantees that movable block 10 can peg graft the inside of pressure release mouth 6, and then improves the leakproofness of pressure release mouth 6.

The utility model discloses a theory of operation does: when the valve is in a closed state, the fixing bolt 7 is rotated anticlockwise, so that the fixing bolt 7 is separated from the mounting sleeve 4, the movable block 10 is stressed to compress the connecting spring 9 and retracts into the spring groove, the movable block 10 is separated from the pressure relief opening 6, then the fixing bolt 7 is continuously rotated until the fixing bolt 7 is separated from the pressure relief opening 6, so that the pressure gauge 3 and a high-pressure medium in a pipeline cavity are emptied through the pressure relief opening 6, the pressure gauge 3 is convenient to replace and maintain, when the valve is in an open state, the fixing bolt 7 is rotated clockwise until the fixing bolt 7 abuts against an O-shaped sealing ring arranged in the sealing groove 5, so that one side of the pressure relief opening 6 is blocked, the opening of the pressure relief opening 6 is opposite to the spring groove, and then a part of the movable block 10 slides into the pressure relief opening 6 under the action of the connecting spring 9, and then will release the pressure mouth 6 and seal, when further strengthening sealed effect, prevent debris jam release pressure mouth 6 to the movable block 10 is at the in-process that removes, through the cooperation of slider 12 with spacing groove 11, makes the more steady that the movable block 10 removed.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Manometer drain unit of stop valve, its characterized in that: the device comprises a connecting pipe (1), a stop valve (2) and a pressure gauge (3) which are fixedly arranged on the outer side wall of the connecting pipe (1), and a venting mechanism fixedly connected to the outer side wall of the connecting pipe (1);

the emptying mechanism comprises a mounting sleeve (4) fixedly connected to the outer side wall of the connecting pipe (1), a first sealing mechanism arranged on the inner side wall of the mounting sleeve (4), a pressure relief opening (6) formed in the inner side wall of the mounting sleeve (4), a fixing bolt (7) in threaded connection with the mounting sleeve (4), and a second sealing mechanism connected with the fixing bolt (7), wherein a through hole is formed in the inner side wall of the mounting sleeve (4), and the interior of the mounting sleeve (4) is communicated with the interior of the connecting pipe (1) through the through hole;

the second sealing mechanism comprises a stop block (8) fixedly connected to the outer side wall of the fixing bolt (7), a spring groove formed in the outer side wall of the stop block (8), a connecting spring (9) fixedly connected to the bottom of the spring groove, and a movable block (10) fixedly connected to the other end of the connecting spring (9), and a limiting mechanism is arranged between the movable block (10) and the spring groove.

2. A pressure gauge vent assembly for a shut off valve as defined in claim 1, further comprising: the outlet of the connecting pipe (1) is close to the stop valve (2), and the inlet of the connecting pipe (1) is close to the pressure gauge (3).

3. A pressure gauge vent assembly for a shut off valve as defined in claim 2, further comprising: the mounting sleeve (4) is close to the side wall of the through hole and is provided with a sealing groove (5), the sealing groove (5) is an O-shaped groove, and an O-shaped sealing ring is mounted inside the sealing groove.

4. A pressure gauge vent assembly for a shut off valve as defined in claim 3, further comprising: the check block (8) comprises a connecting block and an arc-shaped block, wherein one end of the connecting block is fixedly connected with the outer side wall of the fixing bolt (7), the arc-shaped block is fixedly connected to the other end of the connecting block, and the cross section of the arc-shaped block is matched with that of the mounting sleeve (4).

5. A pressure gauge vent assembly for a shut off valve as defined in claim 4, further comprising: stop gear is including offering at the spacing groove (11) of spring inslot lateral wall, fixed connection slider (12) at movable block (10) lateral wall, the external diameter size of slider (12) equals with the internal diameter size of spacing groove (11), and slider (12) slide in spacing groove (11) inside.

6. The pressure gauge emptying device of the stop valve according to claim 5, characterized in that: the movable block (10) comprises a cylinder fixedly connected with the connecting spring (9) and an arc-shaped block fixedly connected to the top of the cylinder, and the outer diameter of the cylinder is equal to the inner diameter of the spring groove.

7. The pressure gauge emptying device of the shut-off valve according to claim 6, wherein: the outer diameter of the cylinder is equal to that of the pressure relief opening (6).