CN219119906U

CN219119906U - Take power station valve body of port diameter difference

Info

Publication number: CN219119906U
Application number: CN202223232446.6U
Authority: CN
Inventors: 陈中增; 陈班秀; 韩冬梅; 陈国淼; 李顺弟
Original assignee: Wenzhou Yongju Forging Co ltd
Current assignee: Wenzhou Yongju Forging Co ltd
Priority date: 2022-12-04
Filing date: 2022-12-04
Publication date: 2023-06-02
Anticipated expiration: 2032-12-04

Abstract

The utility model relates to the technical field of valve body equipment and provides a power station valve body with a port diameter difference, which comprises a right end pipe, wherein one side of the right end pipe is fixedly connected with a left end pipe, the other side of the right end pipe is fixedly connected with a return pipe, one side of the interior of the return pipe is fixedly connected with a flow guide ring, the power station valve body with the port diameter difference is provided with a clamping groove through the interior of the return pipe when in use, a sealing ring is embedded into the clamping groove, the interior of the sealing ring is sunken downwards, when the valve is closed by downward force of a structure, the sealing ring can be attached to a closing position of the structure and the valve through the cooperation of the sealing ring and an elastic strip, the leakage of fluid is prevented, a plurality of pressure prevention strips are arranged around the center point of the sealing ring, and can be used for rapidly guiding the fluid out or accelerating the discharge of the fluid when the fluid in the structure passes through or is closed, so that the pressure of the structure is reduced, and the structure is prevented from being impacted by the pressure of the fluid.

Description

Take power station valve body of port diameter difference

Technical Field

The utility model relates to the technical field of valve bodies, in particular to a power station valve body with a port diameter difference.

Background

The valve body of the power station changes the fluid flow by receiving the control signal output by the adjusting control unit and by virtue of power operation, and is generally composed of an actuating mechanism and a valve, so that the problem of deformation leakage is easily caused by the fact that the direct difference of ports on two sides of the valve body and the pressure generated in the ports need to be changed in order to transport different flow bodies, and the ports and the connecting pipelines are directly impacted;

in view of the above-mentioned technical problem with a power station valve body with a port diameter difference, it has been found through searching that there is a patent number CN201310254316.9 related to the valve body and assembly and method for manufacturing the valve body. On the valve body 10 with the outer tube section 14 formed by the prefabricated tube and with the inner tube section 16, a through-opening 40 is provided on the peripheral wall of the outer tube section 14, the outer tube section 14 having a connection end 20 for the valve drive 24, the inner tube section 16 having a valve seat 28 which represents a fluidic connection between the outer and inner tube sections 14, 16. The inner tube section 16 protrudes at least section by section from the outside of the outer tube section 14 into the outer tube section 14 with the valve seat 28, wherein the valve body 10 is fluid-tight in the region of the throughbore 40.

In the prior art, as the middle structure is in the function of closing fluid, and the ports on two sides are used for closing and opening the flow, different pressures are generated on two sides, and the pressures are easy to impact the valve body at the moment of opening or closing, so that the connection with the connecting piece is influenced, the leakage of the connecting part is easy to occur for a long time, and meanwhile, due to the fact that the quantity of the fluid is large at times, after the fluid is closed in time, the fluid is easy to seep out from the sealing structure.

Disclosure of Invention

The utility model aims to solve the problems in the background art and provides a power station valve body with a port diameter difference.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a take power station valve body of port diameter difference, includes right-hand member pipe, the one side of right-hand member pipe fixedly connected with left end pipe, the opposite side of right-hand member pipe fixedly connected with return pipe, the inside one side of return pipe fixedly connected with water conservancy diversion ring;

the top fixedly connected with goes into the pipe of return pipe, the inside top fixedly connected with elastic strip of going into the pipe, the bottom fixedly connected with sealing ring of elastic strip, the inside swing joint of sealing ring has the layering of preventing.

Preferably, a clamping groove is formed in the return pipe, the sealing ring is embedded in the clamping groove, and the sealing ring moves from the inside of the inlet pipe to the inside of the return pipe.

Preferably, a plurality of clamping grooves are formed in the sealing ring, and the sealing ring is recessed downwards.

Preferably, the anti-pressing strips are arranged in a plurality, the anti-pressing strips are arranged around the center point of the sealing ring, and one end of each anti-pressing strip is connected with the clamping groove of the sealing ring.

Preferably, one side fixedly connected with first flow mouth of water conservancy diversion ring, the inner wall swing joint of first flow mouth has the honeycomb duct, the top and the bottom fixedly connected with slider of honeycomb duct, one side fixedly connected with second flow mouth of honeycomb duct.

Preferably, the guide ring is located between the left end pipe and the return pipe, and the guide ring and the first flow nozzle are integrally formed.

Preferably, a sliding groove is formed in the inner wall of the first flow nozzle, one ends of the first flow nozzle and the second flow nozzle incline to the central axis of the left, and the second flow nozzle is arranged in the sliding groove in a moving mode from right to left through a sliding block.

The beneficial effects are that:

1. this kind of take power station valve body of port diameter difference, during the use, through the inside of returning the pipe being provided with the draw-in groove, the sealing ring embedding sets up in the draw-in groove is inside, the inside undercut of sealing ring, when closing through the structure downforce in the valve, the cooperation of accessible sealing ring and elastic strip makes the sealing ring laminating in the closure department of structure and valve, prevents fluidic revealing.

2. This kind of take power station valve body of port diameter difference is provided with a plurality ofly through being provided with and prevents the layering, and a plurality of prevent that the layering uses the central point of sealing ring to encircle the setting as the center, prevent that the one end of layering is connected with the draw-in groove of sealing ring, the water conservancy diversion ring is located between left end pipe and the return pipe, water conservancy diversion ring and first flow mouth integrated into one piece, when helping fluid in the structure to pass through or close, can derive fluid fast or accelerate the discharge of fluid, reduce the pressure of structure, prevent that the structure from being impacted by fluidic pressure.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model.

FIG. 2 is a schematic cross-sectional view of the whole structure of the present utility model.

Fig. 3 is a schematic top view of the present utility model.

FIG. 4 is a schematic side view of a cross-sectional structure of the present utility model

Fig. 5 is an enlarged schematic view of the structure of fig. 2A according to the present utility model.

Legend description: 1. a right end tube; 101. a left end tube; 2. a return tube; 201. a pipe is inserted; 202. a seal ring; 203. anti-pressing strips; 204. an elastic strip; 3. a guide ring; 301. a first spout; 302. a flow guiding pipe; 303. a second spout; 304. a sliding block.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model.

Example 1: the utility model provides a take power station valve body of port diameter difference, includes right-hand member pipe 1, and one side fixedly connected with left-hand member pipe 101 of right-hand member pipe 1, the opposite side fixedly connected with return pipe 2 of right-hand member pipe 1, the inside one side fixedly connected with water conservancy diversion ring 3 of return pipe 2.

The top of the return pipe 2 is fixedly connected with an inlet pipe 201, an elastic strip 204 is fixedly connected above the inside of the inlet pipe 201, the bottom of the elastic strip 204 is fixedly connected with a sealing ring 202, and an anti-pressing strip 203 is movably connected inside the sealing ring 202;

a clamping groove is formed in the return pipe 2, a sealing ring 202 is embedded in the clamping groove, and the sealing ring 202 moves from the inside of the inlet pipe 201 to the inside of the return pipe 2;

a plurality of clamping grooves are formed in the sealing ring 202, and the inner part of the sealing ring 202 is recessed downwards;

the plurality of anti-pressing strips 203 are arranged, the plurality of anti-pressing strips 203 are arranged around the center point of the sealing ring 202, and one end of each anti-pressing strip 203 is connected with a clamping groove of the sealing ring 202;

when the closing structure is moved downwards, the sealing ring 202 is lowered, the sealing ring 202 is stretched to a designated position by the elastic strip 204, the elastic strip 204 enables the sealing ring 202 to wrap the closing structure, the tightness of the valve body can be ensured, and meanwhile, at the moment when the closing structure is lifted and opened, the anti-pressing strip 203 is tilted earlier than the sealing ring 202, part of fluid is discharged earlier, and the excessive pressure is prevented.

Example 2:

one side of the guide ring 3 is fixedly connected with a first flow nozzle 301, the inner wall of the first flow nozzle 301 is movably connected with a guide pipe 302, the top and the bottom of the guide pipe 302 are fixedly connected with a sliding block 304, and one side of the guide pipe 302 is fixedly connected with a second flow nozzle 303;

the guide ring 3 is positioned between the left end pipe 101 and the return pipe 2, and the guide ring 3 and the first flow nozzle 301 are integrally formed;

the inner wall of the first flow nozzle 301 is provided with a chute, one ends of the first flow nozzle 301 and the second flow nozzle 303 incline to the central axis of the left, and the second flow nozzle 303 is arranged in the chute in a moving way from right to left through a sliding block 304;

when the fluid starts to circulate from right to left, the second nozzle 303 moves out of the first nozzle 301 through the slider 304 by the impact of the fluid, which is helpful for the rapid discharge of the fluid, and when the fluid starts to circulate from left to right, the second nozzle 303 retracts into the first nozzle 301 to timely partition the fluid, thereby preventing the extrusion structure.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and improvements can be made by those skilled in the art without departing from the spirit of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent.

Claims

1. The utility model provides a take power station valve body of port diameter difference, includes right-hand member pipe (1), one side fixedly connected with left-hand member pipe (101) of right-hand member pipe (1), the opposite side fixedly connected with return pipe (2) of right-hand member pipe (1), inside one side fixedly connected with water conservancy diversion ring (3) of return pipe (2); the top fixedly connected with of return pipe (2) goes into pipe (201), the inside top fixedly connected with elastic strip (204) of going into pipe (201), the bottom fixedly connected with sealing ring (202) of elastic strip (204), the inside swing joint of sealing ring (202) has anti-pressing strip (203), one side fixedly connected with first nozzle (301) of water conservancy diversion ring (3), the inner wall swing joint of first nozzle (301) has honeycomb duct (302), the top and the bottom fixedly connected with slider (304) of honeycomb duct (302), one side fixedly connected with second nozzle (303) of honeycomb duct (302).

2. The power station valve body with port diameter difference of claim 1, wherein: the inside of return tube (2) is provided with the draw-in groove, sealing ring (202) embedding sets up in the draw-in groove inside, sealing ring (202) remove to the inside of return tube (2) from the inside of going into pipe (201).

3. The power station valve body with port diameter difference of claim 2, wherein: a plurality of clamping grooves are formed in the sealing ring (202), and the sealing ring (202) is recessed downwards.

4. A power station valve body with port diameter difference as claimed in claim 3, characterized in that: the anti-press strips (203) are arranged in a plurality, the anti-press strips (203) are arranged around the center point of the sealing ring (202), and one end of each anti-press strip (203) is connected with a clamping groove of the sealing ring (202).

5. The power station valve body with port diameter difference of claim 1, wherein: the guide ring (3) is positioned between the left end pipe (101) and the return pipe (2), and the guide ring (3) and the first flow nozzle (301) are integrally formed.

6. The power station valve body with port diameter difference of claim 5, wherein: the inner wall of the first flow nozzle (301) is provided with a sliding groove, one ends of the first flow nozzle (301) and the second flow nozzle (303) incline to the central axis of the left, and the second flow nozzle (303) is arranged in the sliding groove in a moving way from right to left through a sliding block (304).