CN212251681U

CN212251681U - Leakage-proof instrument blow-down valve

Info

Publication number: CN212251681U
Application number: CN202020759205.9U
Authority: CN
Inventors: 姜峰; 吴龙
Original assignee: Yangzhou Pacific Special Materials Co Ltd
Current assignee: Yangzhou Pacific Special Materials Co Ltd
Priority date: 2020-05-09
Filing date: 2020-05-09
Publication date: 2020-12-29
Anticipated expiration: 2030-05-09

Abstract

The utility model discloses a leakproof instrument blowoff valve, which comprises a needle valve, a needle-shaped wide union, a connecting ring, a press ring and a fixing ring, wherein a gasket is movably sleeved at the outlet of one end of the needle valve, one end of the needle valve is movably screwed at the bottom end of the needle-shaped wide union, the fixing ring is fixedly sleeved on the outer wall of one end of the needle valve, a chute is arranged on the outer wall of the fixing ring, one end of a connecting rod, which deviates from the press ring, is penetrated through a through hole and is movably connected with the connecting ring, the bottom end of the connecting rod is fixedly connected with a limiting plate, the press ring is fixedly connected with a reset spring at one end close to the connecting rod, one end of the reset spring is fixedly connected with the connecting ring, the leakproof instrument blowoff valve is characterized in that a needle-shaped valve union with a fixed nut is welded behind the stop valve, when the blowoff stop valve is not closed tightly, a, the problem of the stop valve change the valve when appearing leaking takes trouble hard is solved.

Description

Leakage-proof instrument blow-down valve

Technical Field

The utility model relates to a blowoff valve technical field specifically is a prevent leaking instrument blowoff valve.

Background

The manometer stop valve extensively applies to chemical industry, petroleum, metallurgy, mine, electric power, the energy, in industrial production processes such as environmental protection, be used for connecting the manometer, measure and manage pressure, and as required, to the pipeline discharge dirt of conveying medium, or sample in good time and carry out composition analysis, measure steam flow, pressure transmitter blowdown valve adopts welded type stop valve usually, in order to improve measurement accuracy, need regularly to carry out the blowdown to the condensate water in the instrument tube, because steam temperature and pressure ratio are higher, in addition have impurity in the pipeline, the leak phenomenon can appear in the different degree through the blowdown of several times in the stop valve. Only the stop blowoff valve can be replaced for treatment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent leaking instrument blowoff 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: the utility model provides a prevent leaking instrument blowoff valve, includes needle type valve, needle type broad union, go-between, clamping ring and solid fixed ring, the needle type is broad union one end and is welded in stop valve bottom exit, the needle type is equipped with fixation nut on the broad union, the gasket has been cup jointed in the activity of needle type valve one end exit, needle type valve one end activity spiro union is in the needle type broad union bottom, gu fixed cover is fixed to be cup jointed on needle type valve one end outer wall, gu seted up the spout on the fixed ring outer wall, fixedly connected with cardboard on the go-between inner wall, cardboard activity joint is in the spout, the through-hole has been seted up on the go-between, through-hole quantity is four, four the through-hole equidistance distributes on.

The clamping ring is characterized in that a rubber pad is arranged at the top end of the clamping ring, a connecting rod is fixedly connected to the bottom end of the clamping ring, one end, deviating from the clamping ring, of the connecting rod penetrates through the through hole and is movably connected to the connecting ring, a limiting plate is fixedly connected to the bottom end of the connecting rod, one end, close to the connecting rod, of the clamping ring is fixedly connected with a reset spring, and one end of the reset spring is fixedly.

Preferably, the connecting ring is movably connected to the outer wall of the fixing ring through a clamping plate.

Preferably, the number of the connecting rods is four, and the four connecting rods are distributed at the bottom end of the pressure ring at equal intervals.

Preferably, the return spring is movably sleeved on the connecting rod.

Preferably, the pressure ring is movably sleeved at an outlet at one end of the needle valve.

Preferably, the clamping plate is a T-shaped plate.

Compared with the prior art, the beneficial effects of the utility model are that: this prevent leaking instrument blowoff valve through welding a needle type valve union who takes fixation nut behind the stop valve, appears closing the not tight condition when blowdown stop valve, installs a needle type valve additional behind, connects needle type valve through the union and screws up as long as install needle type valve additional with the spanner for the gasket, has solved the stop valve and has appeared changing the valve when leaking and take trouble hard problem.

Can increase the leakproofness between needle valve and the needle type broad union through setting up go-between, reset spring, clamping ring and rubber pad, utilize reset spring to make the clamping ring hug closely in the needle type broad union bottom to increase the leakproofness, solved because the needle valve with the needle type broad between the union not sealed lead to the problem of leaking.

Drawings

Fig. 1 is a schematic structural section view of the present invention.

Fig. 2 is a top schematic view of the structural connection ring of the present invention.

Fig. 3 is an enlarged schematic view of the structure a of the present invention.

In the figure: 1 stop valve, 2 needle type valves, 3 needle type loose joints, 4 fixing nuts, 5 connecting rings, 6 clamping plates, 7 pressing rings, 8 rubber pads, 9 gaskets, 10 return springs, 11 through holes, 12 fixing rings, 13 sliding grooves, 14 limiting plates and 15 connecting rods.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-3, the present invention provides a technical solution: a leakproof instrument blowoff valve comprises a needle valve 2, a needle-shaped wide movable joint 3, a connecting ring 5, a press ring 7 and a fixed ring 12, wherein one end of the needle-shaped wide movable joint 3 is welded at the outlet at the bottom end of a stop valve 1, the needle-shaped wide movable joint 3 is provided with a fixed nut 4, the needle-shaped valve 2 can be conveniently and rapidly installed by arranging the needle-shaped wide movable joint 3, the problem of leakage can be rapidly treated, the outlet at one end of the needle-shaped valve 2 is movably sleeved with a gasket 9, one end of the needle-shaped valve 2 is movably screwed at the bottom end of the needle-shaped wide movable joint 3, the fixed ring 12 is fixedly sleeved on the outer wall at one end of the needle-shaped valve 2, the outer wall of the fixed ring 12 is provided with a chute 13, the inner wall of the connecting ring 5 is fixedly connected with a clamp plate 6, the clamp plate 6 is a T-shaped plate, the clamp, the number of the through holes 11 is four, and the four through holes 11 are distributed on the connecting ring 5 at equal intervals;

the compression ring 7 is movably sleeved at an outlet at one end of the needle valve 2, the top end of the compression ring 7 is provided with a rubber pad 8, the sealing property between the needle valve 2 and the needle-shaped wide movable joint 3 can be improved by arranging the rubber pad 8, the bottom end of the compression ring 7 is fixedly connected with four connecting rods 15, the compression ring 7 can be supported by arranging the connecting rods 15, the compression ring 7 is favorable for stabilizing, the four connecting rods 15 are equidistantly distributed at the bottom end of the compression ring 7, one end of each connecting rod 15, which is deviated from the compression ring 7, penetrates through the through hole 11 and is movably connected on the connecting ring 5, the bottom end of each connecting rod 15 is fixedly connected with a limiting plate 14, the connecting rods 15 can be prevented from being separated from the connecting ring 5 by arranging the limiting plates 14, the compression ring 7 is fixedly connected with a reset spring, the pressing ring 7 is tightly attached to the bottom end of the needle-shaped loose joint 3 under the action of the return spring 10, and the sealing performance between the needle-shaped valve 2 and the needle-shaped loose joint 3 is improved.

The working principle is as follows: during the use, weld a needle type valve union 3 who takes fixation nut 4 behind stop valve 1, the untight condition appears closing when blowdown stop valve 1, go through screwing up needle type valve 2 with the spanner, can handle the leakage problem fast, installation back clamping ring 7 receives the extrusion that the needle type is wide the union 3, make clamping ring 7 hug closely under reset spring 10's effect simultaneously and widen the union 3 bottom in the needle type, because go-between 5 swing joint is on solid fixed ring 12, can make clamping ring 7 and go-between 5 rotate, avoid influencing the installation of needle type valve 2, utilize rubber pad 8 can increase the leakproofness between needle type valve 2 and the needle type is wide the union 3.

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

Claims

1. The utility model provides a prevent leaking instrument blowoff valve, includes that needle type valve (2), needle type broad joint (3), go-between (5), clamping ring (7) and solid fixed ring (12), its characterized in that: one end of the needle-shaped wide movable joint (3) is welded at an outlet at the bottom end of the stop valve (1), a fixing nut (4) is arranged on the needle-shaped wide movable joint (3), a gasket (9) is movably sleeved at an outlet at one end of the needle-shaped valve (2), one end of the needle-shaped valve (2) is movably screwed at the bottom end of the needle-shaped wide movable joint (3), the fixing ring (12) is fixedly sleeved on the outer wall of one end of the needle-shaped valve (2), a sliding groove (13) is formed in the outer wall of the fixing ring (12), a clamping plate (6) is fixedly connected to the inner wall of the connecting ring (5), the clamping plate (6) is movably clamped in the sliding groove (13), through holes (11) are formed in the connecting ring (5), the number of the through holes (11) is four, and the four through holes (11;

clamping ring (7) top is equipped with rubber pad (8), clamping ring (7) bottom fixedly connected with connecting rod (15), through-hole (11) and swing joint are run through to the one end of connecting rod (15) skew clamping ring (7) on go-between (5), connecting rod (15) bottom fixedly connected with limiting plate (14), clamping ring (7) serve fixedly connected with reset spring (10) near connecting rod (15), reset spring (10) one end fixed connection is on go-between (5).

2. A leak resistant meter blow down valve as in claim 1 wherein: the connecting ring (5) is movably connected to the outer wall of the fixing ring (12) through a clamping plate (6).

3. A leak resistant meter blow down valve as in claim 1 wherein: the connecting rods (15) are four in number, and the connecting rods (15) are distributed at the bottom end of the pressing ring (7) at equal intervals.

4. A leak resistant meter blow down valve as in claim 1 wherein: the return spring (10) is movably sleeved on the connecting rod (15).

5. A leak resistant meter blow down valve as in claim 1 wherein: the compression ring (7) is movably sleeved at an outlet at one end of the needle valve (2).

6. A leak resistant meter blow down valve as in claim 1 wherein: the clamping plate (6) is a T-shaped plate.