CN213176965U - Pressure reducing valve convenient to assemble - Google Patents

Abstract

The utility model provides a relief valve convenient to equipment, including first valve body, the connector has all been seted up at the both ends of first valve body, the one end movable sleeve of first valve body is equipped with the fastening steel bushing, the both sides fixedly connected with foot piece of fastening steel bushing, the surface interlude of foot piece is connected with the screw rod, the screw rod top mating connection has the nut, fastening steel bushing inboard is seted up flutedly, the surface paste of recess has the rubber circle, flow monitoring mouth and pressure release valve port have been fixed respectively to the top both sides of first valve body, the top middle part fixedly connected with second valve body of first valve body, the top fixedly connected with pressure monitoring table of second valve body. The utility model provides a relief pressure valve convenient to equipment can be with the more inseparable connection of relief pressure valve and pipeline through the butt joint cover that is equipped with, and lead screw and the sealed pad of second on the valve bonnet can assemble a large amount of time to the valve body with the supporting use of the guarantee annular cutting ferrule that the sealing performance of second valve body is better with the butt joint pipe, more convenient and fast.

Description

Pressure reducing valve convenient to assemble

Technical Field

The utility model relates to a relief valve technical field specifically is a relief valve convenient to equipment.

Background

The pressure reducing valve is a valve which reduces the inlet pressure to a certain required outlet pressure through regulation and leads the outlet pressure to be automatically kept stable by relying on the energy of the medium. From the viewpoint of hydrodynamics, 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 to cause different pressure losses, thereby achieving the purpose of pressure reduction. Then, the fluctuation of the pressure behind the valve is balanced with the spring force by means of the regulation of the control and regulation system, so that the pressure behind the valve is kept constant within a certain error range.

(1) The conventional pressure reducing valve loosens in the long-time use process, so that the pressure valve loses the accuracy of pressure control, the traditional pressure valve is often subjected to a plurality of conditions of pressure leakage through a simple butt joint pipeline, and a better sealing assembly and the like are not provided in the installation process;

(2) the existing pressure reducing valve is fixed by screws in the assembling process, so that the pressure reducing valve is inconvenient to install, the screw is oxidized and rusted for a long time, the pressure reducing valve is complex to install and disassemble again, and the assembling is not convenient and fast.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a relief valve convenient to equipment to solve some relief valve that above-mentioned background art provided and in long-time use, can appear becoming flexible, lead to the pressure valve to have lost its control pressure's accurate nature, current relief valve relies on the screw to fix in the assembling process, is not convenient for install, can't accomplish the problem of convenient and fast's equipment.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a relief valve convenient to equipment, includes first valve body, the connector has all been seted up at the both ends of first valve body, the one end activity cover of first valve body is equipped with the fastening steel bushing, the both sides fixedly connected with foot piece of fastening steel bushing, the surface interlude of foot piece is connected with the screw rod, the screw rod is gone up to join in marriage and is connected with the nut, fastening steel bushing inboard is seted up flutedly, the surface paste of recess has the rubber circle, flow monitoring mouth and pressure release valve port have been fixed respectively to the top both sides of first valve body, the top middle part fixedly connected with second valve body of first valve body, the top fixedly connected with pressure monitoring table of second valve body, the other end fixed mounting of first valve body has equipment mechanism.

As an optimal scheme of the utility model: the inner side groove of the fastening steel sleeve is connected with a seamless butting sleeve in a clamping mode, a screw connecting hole is formed in the surface of the seamless butting sleeve, a first sealing ring is fixedly connected to the surface of the seamless butting sleeve, and a clamping ring is connected to the surface of the seamless butting sleeve in a clamping mode.

As an optimal scheme of the utility model: the top fixedly connected with of second valve body has the interface, the surperficial activity scarf joint of interface has the connecting screw, the top cover of interface is equipped with the second sealing washer, the top of interface is through lead screw fixedly connected with valve bonnet.

As an optimal scheme of the utility model: the equipment mechanism is including inlaying the annular cutting ferrule of establishing at first valve body inner wall, the relative direction in surface of annular cutting ferrule has run through along annular cutting ferrule inner wall and has seted up two circular grooves, the surface of annular cutting ferrule is ninety degrees angle department with the circular groove and has seted up two circular butt joint notches, annular cutting ferrule inner wall has closely cup jointed the butt joint pipe, correspond two cylinders of fixedly connected with to butt joint pipe surface relative direction, the fixed surface of annular cutting ferrule is pasted and is had the third sealing washer.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the pressure reducing valve can be connected with the pipeline more tightly through the butting sleeve, the clamping ring prevents looseness under the condition of long-time use, the pressure in the circulation process is better ensured, and the screw rod and the second sealing gasket on the valve cover can better guarantee the sealing performance of the second valve body;

(2) through the annular cutting ferrule that is equipped with and the supporting use of butt joint pipe, more convenient and fast assembles the valve body, has saved a large amount of time, does not worry that rusty condition appears in long-time the use, reduces the cost of manual maintenance, and is more durable.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the disassembled structure of the present invention;

fig. 3 is a schematic view of the assembly mechanism of the present invention.

In the figure: 1. a first valve body; 1a, a connecting port; 2. fastening a steel sleeve; 21. a groove; 22. a seamless butt joint sleeve; 23. a screw connecting hole; 24. a first seal ring; 25. a snap ring; 3. a foot piece; 4. a screw; 5. a nut; 6. a flow monitoring port; 6a, a pressure relief valve port; 7. a second valve body; 71. a butt joint port; 72. a screw rod; 73. a second seal ring; 74. a valve housing; 8. a pressure monitoring meter; 9. an assembly mechanism; 91. an annular ferrule; 92. a circular groove; 93. a docking bay; 94. butt-joint pipes; 95. a cylinder; 96. and a third sealing ring.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a relief valve convenient to equipment, including first valve body 1, connector 1a has all been seted up at the both ends of first valve body 1, the one end activity cover of first valve body 1 is equipped with fastening steel bushing 2, fastening steel bushing 2's both sides fixedly connected with foot piece 3, the surface interlude of foot piece 3 is connected with screw rod 4, screw rod 4 is gone up the spin fit connection and is connected with nut 5, fastening steel bushing 2 inboard is seted up flutedly 21, the surface paste of recess 21 has the rubber circle, flow monitoring mouth 6 and pressure release valve port 6a have been fixed respectively to the top both sides of first valve body 1, the top middle part fixedly connected with second valve body 7 of first valve body 1, the top fixedly connected with pressure monitoring table 8 of second valve body 7, the other end fixed mounting of first valve body 1 has equipment mechanism 9.

In this embodiment: a seamless butting sleeve 22 is clamped in a groove 21 on the inner side of the fastening steel sleeve 2, a screw connecting hole 23 is formed in the surface of the seamless butting sleeve 22, a first sealing ring 24 is fixedly connected to the surface of the seamless butting sleeve 22, and a clamping ring 25 is clamped on the surface of the seamless butting sleeve 22.

When in specific use: the pipeline that will need dock with the decompression valve docks with the seamless butt joint cover 22 of joint in fastening steel bushing 2, when first sealing washer 24 played sealed effect, also played certain installation cushioning effect, accomplish pipeline and screw rod connecting hole 23 fixed connection through set screw after, with the snap ring 25 joint on seamless butt joint cover 22 surface, the seamless butt joint cover 22 joint that will connect is in fastening steel bushing 2, dock with connector 1a, join in marriage with the soon of nut 5 through the screw rod 4 of fastening steel bushing 2 both sides and carry out the tensioning.

In this embodiment: the top of the second valve body 7 is fixedly connected with a butt joint port 71, the surface of the butt joint port 71 is movably embedded with a connecting screw rod 72, the top of the butt joint port 71 is sleeved with a second sealing ring 73, and the top of the butt joint port 71 is fixedly connected with a valve cover 74 through the screw rod 72.

When in specific use: the valve cover 74 is butted with the connecting screw rod 72 embedded in the surface of the butting port 71, the second sealing ring 73 is used as a sealing element of the connecting piece of the valve cover 74 and the butting port 71, a certain buffering effect is achieved during installation, the valve cover 74 and the butting port 71 are connected together more tightly, and the valve cover 74 and the butting port 71 are firmly connected together by screwing the connecting screw rod 72.

In this embodiment: the assembly mechanism 9 includes inlaying the annular cutting ferrule 91 who establishes at 1 inner wall of first valve body, and two circular grooves 92 have been seted up along annular cutting ferrule 91 inner wall to the relative direction in surface of annular cutting ferrule 91, and the surface of annular cutting ferrule 91 is ninety degrees angle departments with circular grooves 92 and has seted up two circular butt joint notches 93, and the butt joint pipe 94 has closely been cup jointed to annular cutting ferrule 91 inner wall, and the relative direction in butt joint pipe 94 surface corresponds two cylinders 95 of fixedly connected with, and the fixed surface of annular cutting ferrule 91 pastes and has third sealing washer 96.

When in specific use: during the equipment when connecting, will have cylinder 95 butt joint pipe 94 to carry forward, make butt joint pipe 94 surperficial cylinder 95 correspond with circular groove 92 of annular cutting ferrule 91 inner wall, after cylinder 95 got into and passed through circular groove 92, will butt joint pipe 94 pull gently backward through rotatory butt joint pipe 94 in the time, cylinder 95 looks for the butt joint notch 93 that annular cutting ferrule 91 surface was seted up when rotating backward this moment, when cylinder 95 docks with butt joint notch 93, annular cutting ferrule 91 surperficial third sealing washer 96 of pasting plays sealed effect.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and equivalents may be made without departing from the spirit and scope of the invention.

Claims (4)

1. A pressure reducing valve convenient to assemble, comprising a first valve body (1), characterized in that: both ends of the first valve body (1) are provided with connecting ports (1a), one end of the first valve body (1) is movably sleeved with a fastening steel sleeve (2), two sides of the fastening steel sleeve (2) are fixedly connected with foot pieces (3), the surfaces of the foot pieces (3) are inserted and connected with screw rods (4), the screw rod (4) is in screwed fit connection with a screw cap (5), the inner side of the fastening steel sleeve (2) is provided with a groove (21), a rubber ring is stuck on the surface of the groove (21), a flow monitoring port (6) and a pressure relief valve port (6a) are respectively and fixedly arranged on two sides of the top end of the first valve body (1), the middle part of the top end of the first valve body (1) is fixedly connected with a second valve body (7), the top end of the second valve body (7) is fixedly connected with a pressure monitoring meter (8), and an assembling mechanism (9) is fixedly arranged at the other end of the first valve body (1).

2. A pressure relief valve assembly as defined in claim 1, wherein: the seamless butt joint sleeve (22) is connected in the inner side groove (21) of the fastening steel sleeve (2) in a clamping mode, a screw rod connecting hole (23) is formed in the surface of the seamless butt joint sleeve (22), a first sealing ring (24) is fixedly connected to the surface of the seamless butt joint sleeve (22), and a clamping ring (25) is connected to the surface of the seamless butt joint sleeve (22) in a clamping mode.

3. A pressure relief valve assembly as defined in claim 1, wherein: the top fixedly connected with of second valve body (7) is to interface (71), the surperficial activity of interfacing (71) has inlayed and has connect lead screw (72), the top cover of interfacing (71) is equipped with second sealing washer (73), lead screw (72) fixedly connected with valve bonnet (74) are passed through to the top of interfacing (71).

4. A pressure relief valve assembly as defined in claim 1, wherein: the equipment mechanism (9) is including inlaying annular cutting ferrule (91) of establishing at first valve body (1) inner wall, the relative direction in surface of annular cutting ferrule (91) has run through along annular cutting ferrule (91) inner wall and has seted up two circular grooves (92), the surface of annular cutting ferrule (91) is ninety degrees angles department with circular groove (92) and has seted up two circular butt joint notches (93), annular cutting ferrule (91) inner wall has closely cup jointed to manage (94), correspond two cylinders (95) of fixedly connected with to manage (94) relative direction in surface, the fixed surface of annular cutting ferrule (91) is pasted and is had third sealing washer (96).

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