CN210461705U

CN210461705U - High-pressure reducing valve

Info

Publication number: CN210461705U
Application number: CN201921351595.XU
Authority: CN
Inventors: 刘泉; 赵宗会
Original assignee: NANJING GENESIS ELECTRIC AUTOMATION Co Ltd
Current assignee: NANJING GENESIS ELECTRIC AUTOMATION Co Ltd
Priority date: 2019-08-20
Filing date: 2019-08-20
Publication date: 2020-05-05
Anticipated expiration: 2029-08-20

Abstract

The utility model discloses a high pressure relief valve, including disk seat, first nut, inlet tube, outlet pipe, needle, movable block, screw rod, handle, connecting piece, sealing washer, gasket, second nut, briquetting and oil blanket. The utility model discloses simple structure, convenient operation conveniently adjusts the water pressure in the disk seat through the removal of needle, is favorable to improving the stability that rivers were carried, conveniently operates, and makes things convenient for the washing of disk seat inside through the removal of movable block, makes things convenient for later stage debugging and maintenance, has improved the convenience of operation; the utility model discloses a design of sealing washer and gasket does benefit to the leakproofness that improves the disk seat, has avoided revealing of water, is favorable to reducing cost of maintenance, has also improved the stability of rivers.

Description

High-pressure reducing valve

Technical Field

The utility model relates to a relief pressure valve specifically is a high pressure relief pressure valve belongs to relief pressure valve application technical field.

Background

The pressure reducing valve is a valve which reduces the inlet pressure to a certain required outlet pressure by regulation and automatically keeps the outlet pressure stable by the energy of a medium, and from the viewpoint of hydromechanics, the pressure reducing valve is a throttling element with changeable local resistance, namely, the flow rate 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, and then the fluctuation of the pressure behind the valve is balanced with the spring force by the regulation of a control and regulation system, so that the pressure behind the valve is kept constant within a certain error range.

The existing pressure reducing valve is used for adjusting the pressure and the speed of a water body during flowing, but for the pressure reducing valve, the precision of water pressure adjustment is not increased during use, stable conveying of water flow is not facilitated, water pressure adjustment is not facilitated, operation is inconvenient, and the interior of a valve seat is not convenient to clean; when the water-saving device is used, the water pressure change and the water leakage are possibly caused by the reduction of the sealing performance, and the maintenance cost is increased. Therefore, a high pressure reducing valve is proposed to address the above problems.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a high pressure reducing valve to solve the above problems.

The utility model realizes the purpose through the following technical proposal, a high-pressure reducing valve comprises a first nut positioned at the end part of a valve seat, an adjusting mechanism and a sealing mechanism;

the adjusting mechanism comprises a valve seat, a water inlet pipe, a water outlet pipe, a valve needle, a movable block and a screw rod, wherein the end part of the valve seat is respectively communicated with the water inlet pipe and the water outlet pipe;

sealing mechanism includes disk seat, first nut, connecting piece, sealing washer, gasket and second nut, disk seat tip and first nut threaded connection, the centre gripping has the connecting piece between first nut and the disk seat, the inside and sealing washer fixed connection of connecting piece, just the centre gripping has the gasket between disk seat and the connecting piece, connecting piece tip and second nut threaded connection, the centre gripping has the briquetting between second nut and the connecting piece, just inside and the oil blanket fixed connection of briquetting.

Preferably, the cross section of the valve needle is of a trapezoidal structure, the valve needle is in sliding connection with the inside of the water inlet pipe, and the movable block at the end part of the valve needle is in sliding connection with the inside of the valve seat.

Preferably, the screw rod is respectively connected with the second nut, the connecting piece and the middle part of the movable block in a penetrating manner, and the end part of the screw rod is in threaded connection with the movable block.

Preferably, the sealing ring is of a circular ring-shaped structure, the middle of the sealing ring is in through connection with the screw rod, and the middle of the sealing ring is in sliding connection with the screw rod.

Preferably, the pressing block is of a T-shaped structure, an oil seal is contacted with the side wall of the pressing block, and the middle part of the oil seal penetrates through the screw and is in sliding connection with the screw.

Preferably, the gasket is of a circular ring-shaped structure, the gasket is respectively contacted with the end edges of the valve seat and the connecting piece, and the connecting piece is sleeved with the first nut.

The utility model has the advantages that:

1. the utility model discloses simple structure, convenient operation conveniently adjusts the water pressure in the disk seat through the removal of needle, is favorable to improving the stability that rivers were carried, conveniently operates, and makes things convenient for the washing of disk seat inside through the removal of movable block, makes things convenient for later stage debugging and maintenance, has improved the convenience of operation;

2. the utility model discloses a design of sealing washer and gasket does benefit to the leakproofness that improves the disk seat, has avoided revealing of water, is favorable to reducing cost of maintenance, has also improved the stability of rivers.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic view of the external front view structure of the present invention;

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

fig. 3 is a schematic view of the partial cross-sectional structure of the present invention.

In the figure: 1. the water outlet valve comprises a valve seat, 2, a first nut, 3, a water inlet pipe, 4, a water outlet pipe, 5, a valve needle, 6, a movable block, 7, a screw rod, 8, a handle, 9, a connecting piece, 10, a sealing ring, 11, a gasket, 12, a second nut, 13, a pressing block, 14 and an oil seal.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in 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.

Referring to fig. 1-3, a high pressure reducing valve includes a first nut 2 at an end of a valve seat 1, an adjusting mechanism and a sealing mechanism;

the adjusting mechanism comprises a valve seat 1, a water inlet pipe 3, a water outlet pipe 4, a valve needle 5, a movable block 6 and a screw rod 7, wherein the end part of the valve seat 1 is respectively communicated with the water inlet pipe 3 and the water outlet pipe 4, the interior of the water inlet pipe 3 is in through connection with the valve needle 5 and used for adjusting water pressure, the valve needle 5 is fixedly connected with the movable block 6, the middle part of the movable block 6 is in through connection with the screw rod 7, and the end part of the screw rod 7 is fixedly connected with a handle 8 and used for moving the valve needle 5;

sealing mechanism includes disk seat 1, first nut 2, connecting piece 9, sealing washer 10, gasket 11 and

second nut

12, 1 tip of disk seat and 2 threaded connection of first nut, the centre gripping has connecting piece 9 between first nut 2 and the

disk seat

1, 9 inside and the 10 fixed connection of sealing washer of connecting piece for improve disk seat 1's leakproofness, just the centre gripping has gasket 11 between disk seat 1 and the connecting

piece

9, 9 tip of connecting piece and 12 threaded connection of second nut, 13 are held to the clamp between second nut 12 and the connecting piece 9, just 13 inside and 14 fixed connection of oil blanket of briquetting.

The section of the valve needle 5 is of a trapezoidal structure, the valve needle 5 is in sliding connection with the inside of the water inlet pipe 3, and the movable block 6 at the end part of the valve needle 5 is in sliding connection with the inside of the valve seat 1, so that the valve needle 5 can move conveniently, and the water pressure can be adjusted conveniently; the screw 7 is respectively connected with the second nut 12, the connecting piece 9 and the middle part of the movable block 6 in a penetrating way, and the end part of the screw 7 is in threaded connection with the movable block 6, so that the screw 7 can rotate conveniently and the movable block 6 can be driven to move conveniently; the sealing ring 10 is of a circular structure, the middle of the sealing ring 10 is connected with the screw 7 in a penetrating mode, and the middle of the sealing ring 10 is connected with the screw 7 in a sliding mode, so that the screw 7 can rotate conveniently, and sealing is convenient; the pressing block 13 is of a T-shaped structure, the side wall of the pressing block 13 is in contact with the oil seal 14, and the middle part of the oil seal 14 is penetrated through and slidably connected with the screw 7, so that the oil seal 14 is conveniently compressed, and the sealing property between the connecting piece 9 and the screw 7 is conveniently improved; gasket 11 is the ring form structure, gasket 11 contacts the tip edge that has disk seat 1 and connecting piece 9 respectively, just connecting piece 9 cup joints with first nut 2, and the gasket 11 of being convenient for compresses tightly, conveniently improves the leakproofness between disk seat 1 and the connecting piece 9.

When the water pressure adjusting device is used, the water inlet pipe 3 and the water outlet pipe 4 are respectively externally connected with a water source, so that the water source enters the interior of the valve seat 1 through the water inlet pipe 3, when the water pressure needs to be adjusted, the handle 8 drives the screw rod 7 to rotate through rotating the handle 8, after the screw rod 7 rotates in the interior of the valve seat 1, the movable block 6 at the end part of the screw rod 7 transversely moves, the movable block 6 drives the valve needle 5 to simultaneously move when sliding in the interior of the valve seat 1, so that the valve needle 5 moves in the interior of the water inlet pipe 3, the throttling area is further adjusted, the water pressure is;

when installing, support connecting piece 9 at 1 tip of disk seat, make connecting piece 9 compress tightly gasket 11 and then 1 tip of disk seat, screw up first nut 2 at 1 tip of disk seat again, be favorable to improving the leakproofness between disk seat 1 and the connecting piece 9, screw up the tip at connecting piece 9 with second nut 12, make connecting piece 9 extrude behind the briquetting 13 compress tightly oil blanket 14, conveniently seal, design through sealing washer 10 is favorable to improving the leakproofness between screw rod 7 and the connecting piece 9, avoid revealing of rivers, be favorable to stabilizing the transport.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A high pressure relief valve, characterized by: the valve seat comprises a first nut (2) positioned at the end part of a valve seat (1), an adjusting mechanism and a sealing mechanism;

the adjusting mechanism comprises a valve seat (1), a water inlet pipe (3), a water outlet pipe (4), a valve needle (5), a movable block (6) and a screw rod (7), wherein the end part of the valve seat (1) is respectively communicated with the water inlet pipe (3) and the water outlet pipe (4), the interior of the water inlet pipe (3) is in through connection with the valve needle (5), the valve needle (5) is fixedly connected with the movable block (6), the middle part of the movable block (6) is in through connection with the screw rod (7), and the end part of the screw rod (7) is fixedly connected with a handle (8);

sealing mechanism includes disk seat (1), first nut (2), connecting piece (9), sealing washer (10), gasket (11) and second nut (12), disk seat (1) tip and first nut (2) threaded connection, the centre gripping has connecting piece (9) between first nut (2) and disk seat (1), inside and sealing washer (10) fixed connection of connecting piece (9), just the centre gripping has gasket (11) between disk seat (1) and connecting piece (9), connecting piece (9) tip and second nut (12) threaded connection, press from both sides between second nut (12) and connecting piece (9) and hold briquetting (13), just inside and oil blanket (14) fixed connection of briquetting (13).

2. A high pressure relief valve according to claim 1, wherein: the cross section of the valve needle (5) is of a trapezoidal structure, the valve needle (5) is in sliding connection with the inside of the water inlet pipe (3), and the movable block (6) at the end part of the valve needle (5) is in sliding connection with the inside of the valve seat (1).

3. A high pressure relief valve according to claim 1, wherein: the screw rod (7) is respectively in penetrating connection with the second nut (12), the connecting piece (9) and the middle of the movable block (6), and the end part of the screw rod (7) is in threaded connection with the movable block (6).

4. A high pressure relief valve according to claim 1, wherein: the sealing ring (10) is of a circular ring-shaped structure, the middle of the sealing ring (10) is in through connection with the screw rod (7), and the middle of the sealing ring (10) is in sliding connection with the screw rod (7).

5. A high pressure relief valve according to claim 1, wherein: briquetting (13) are T shape structure, briquetting (13) lateral wall contact has oil blanket (14), just oil blanket (14) middle part runs through and sliding connection with screw rod (7).

6. A high pressure relief valve according to claim 1, wherein: the gasket (11) is of a circular ring-shaped structure, the gasket (11) is respectively contacted with the end edges of the valve seat (1) and the connecting piece (9), and the connecting piece (9) is sleeved with the first nut (2).