CN212338218U - Vertical pipeline anti-scouring stop valve - Google Patents

Abstract

The utility model discloses a vertical pipeline anti-scouring stop valve, including stop valve main part and valve body, install the valve body in the stop valve main part, and the valve body upper end installs centripetal fluid seat, centripetal fluid seat's top is provided with the disk seat, and the top of disk seat installs the case, case upper portion both sides are provided with the valve gap, and the top of case installs the valve rod guide way, the rear end of valve rod guide way is provided with the energy storage dish spring, and installs the energy storage shaft coupling on one side of the upper end of energy storage dish spring, the bottom of disk seat has seted up the disk seat sealing surface, and the lower extreme of disk seat sealing surface has seted up case window adjusting surface, case window adjusting surface is connected with centripetal fluid seat; this perpendicular pipeline antiscour stop valve through setting up the energy storage shaft coupling, the effectual concentricity of guaranteeing lower valve rod and disk seat, packing box, and the contained angle with perpendicular pipeline is 50 degrees when the installation simultaneously, great improvement the atress of the relative valve body of drive arrangement, have good use prospect.

Description

Vertical pipeline anti-scouring stop valve

Technical Field

The utility model relates to a stop valve technical field specifically is a perpendicular pipeline antiscour stop valve.

Background

The stop valve is also called as a stop valve and belongs to a forced sealing type valve, so that when the valve is closed, pressure must be applied to the valve clack to force the sealing surface not to leak; when a medium enters the valve from the lower part of the valve clack, the resistance to be overcome by the operating force is the friction force between the valve rod and the packing and the thrust generated by the pressure of the medium, and the force for closing the valve is larger than the force for opening the valve, so the diameter of the valve rod is larger, otherwise the failure of the valve rod bending can occur; a specific flow passage is defined for the fluid, so that the sealing surfaces of the valve seat and the valve core are prevented from being washed by the fluid

Traditional stop valve has certain drawback when using, and traditional stop valve is when the installation back is used, makes the disk seat easily, the inside production fluid of case to lead to the disk seat, the case produces gaseous corrosion, reduces life, and the electronic stop valve that relies on electromagnetic force drive simultaneously all relies on solenoid to produce the electromagnetic force, and when the electrically operated gate debugging, the stop valve can not carry out electronic execution, brings inconvenience for the use, and for this reason, we have proposed a vertical pipeline antiscour stop valve.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a clamping jaw locking device, which can effectively solve the problems of the prior art.

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

the utility model provides a perpendicular pipeline antiscour stop valve, includes stop valve main part and valve body, install the valve body in the stop valve main part, and the valve body upper end installs centripetal fluid seat, centripetal fluid seat's top is provided with the disk seat, and the top of disk seat installs the case, case upper portion both sides are provided with the valve gap, and the top of case installs the valve rod guide way, the rear end of valve rod guide way is provided with energy storage dish spring, and the energy storage shaft coupling is installed to upper end one side of energy storage dish spring, the sealed face of disk seat has been seted up to the bottom of disk seat, and the sealed face's of disk seat lower extreme has seted up case window control surface, case window control surface is connected with centripetal fluid seat, the sealing ring is installed to one side of centripetal fluid seat, and centripetal fluid seat.

Preferably, the centripetal fluid seat is composed of a first centripetal flow water inlet surface, a second centripetal flow water inlet surface, a third centripetal flow water inlet surface and a fourth centripetal flow water inlet surface, and the third centripetal flow water inlet surface and the fourth centripetal flow water inlet surface are arranged on two sides of the lower portion of the first centripetal flow water inlet surface and the second centripetal flow water inlet surface.

Preferably, the valve rod guide groove is fixedly connected with the energy storage coupling through a valve rod directional bolt.

Preferably, the valve core is connected with the energy storage coupler through the valve core and a coupler connecting sleeve.

Preferably, the angle between the stop valve body and the vertical pipeline is 50 degrees.

Preferably, the stop valve main body comprises an upper valve rod and a lower valve rod, and the upper valve rod is connected with the lower valve rod through an energy storage coupler.

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

1. this perpendicular pipeline antiscour stop valve through setting up the energy storage shaft coupling for go up the valve rod and be connected with lower valve rod, the transmission electric fitting of being convenient for is opened and the thrust of closing, and during the debugging of stop valve electrically operated gate, the energy storage when energy storage shaft coupling accessible self is closed comes the compensation because of electric actuator, and the closing force that the semicycle leads to that needs to return weakens, thereby makes the leakproofness of valve unchangeable, also can guarantee down the concentricity of valve rod and disk seat, packing box moreover.

2. This vertical pipe anti-scouring stop valve through centripetal fluid seat for when the flow of a plurality of directions collects the "center" of disk seat or case with same speed, the hedge energy dissipation effect that can produce makes disk seat, case inside not have the gasification of fluid to take place simultaneously, has avoided the stop valve to cause the phenomenon of cavitation erosion, thereby has increased the life of valve body.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an anti-scouring stop valve for a vertical pipeline;

FIG. 2 is a partial view of a valve body in the vertical pipe anti-flush shut-off valve;

FIG. 3 is a view of a valve seat in a vertical pipe anti-flush shut-off valve;

FIG. 4 is a side view of a valve seat in a vertical pipe anti-flush shut-off valve;

FIG. 5 is a schematic view of a centripetal fluid seat in a vertical pipe anti-flush shut-off valve;

FIG. 6 is a schematic view of the whole of a third centripetal flow water inlet surface and a fourth centripetal flow water inlet surface of the vertical pipe anti-scouring stop valve;

FIG. 7 is a side view of the third centripetal flow water inlet surface and the fourth centripetal flow water inlet surface of the vertical pipe anti-flush stop valve.

In the figure: 1. a valve body; 2. a centripetal fluidic seat; 21. a first centripetal flow water inlet surface; 22. a second centripetal flow water inlet surface; 23. a third centripetal flow water inlet surface; 24. a fourth centripetal flow water inlet surface; 3. a seal ring; 4. a valve seat; 5. a valve core; 6. a valve cover; 7. a valve stem orientation bolt; 8. a valve stem guide groove; 9. an energy storage coupling; 10. an energy storage disc spring; 11. the valve core and the coupling connecting sleeve; 12. a valve seat sealing surface; 13. a valve core window adjusting surface; 14. valve body disk seat adjusting surface.

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.

Referring to fig. 1-7, an anti-scouring stop valve for vertical pipeline comprises a stop valve body and a valve body 1, wherein the valve body 1 is mounted on the stop valve body, and the upper end of the valve body 1 is provided with a centripetal fluid seat 2, a valve seat 4 is arranged above the centripetal fluid seat 2, and the top of the valve seat 4 is provided with a valve core 5, two sides of the upper part of the valve core 5 are provided with valve covers 6, a valve rod guide groove 8 is arranged above the valve core 5, the rear end of the valve rod guide groove 8 is provided with an energy storage disc spring 10, and one side of the upper end of the energy storage disc spring 10 is provided with an energy storage coupling 9, the bottom of the valve seat 4 is provided with a valve seat sealing surface 12, and the lower end of the valve seat sealing surface 12 is provided with a valve core window adjusting surface 13, the valve core window adjusting surface 13 is connected with the centripetal fluid seat 2, and a sealing ring 3 is installed on one side of the centripetal fluid seat 2, and a valve body and valve seat adjusting surface 14 is arranged on the other side of the centripetal fluid seat 2.

The centripetal fluid seat 2 consists of a first centripetal flow water inlet surface 21, a second centripetal flow water inlet surface 22, a third centripetal flow water inlet surface 23 and a fourth centripetal flow water inlet surface 24, and the third centripetal flow water inlet surface 23 and the fourth centripetal flow water inlet surface 24 are arranged on two sides below the first centripetal flow water inlet surface 21 and the second centripetal flow water inlet surface 22; the valve rod guide groove 8 is fixedly connected with an energy storage coupler 9 through a valve rod directional bolt 7; the valve core 5 is connected with the energy storage coupler 9 through a valve core and coupler connecting sleeve 11; when the stop valve main body and the vertical pipeline are installed, the included angle degree is 50 degrees; the stop valve main body is composed of an upper valve rod and a lower valve rod, and the upper valve rod is connected with the lower valve rod through an energy storage coupler 9.

It should be noted that, the utility model relates to a perpendicular pipeline antiscour stop valve, in operation, at first install stop valve main part and perpendicular pipeline, the contained angle number of degrees with perpendicular pipeline and stop valve during installation is 50, can effectually improve the atress of drive arrangement for the valve body, when the stop valve circular telegram, when the electrically operated gate is debugged, energy storage when energy storage shaft coupling 9 accessible self is closed, come the compensation because of electric actuator, the closing force that the half circle that needs to return to lead to weakens, and the leakproofness of valve is unchangeable, at first close adjusting valve body disk seat adjusting surface 14 and case window adjusting surface 13, disk seat sealing surface 12 and sealing ring 3 and be in encapsulated situation, when the medium fluid passes through the inside of disk seat 4 entering stop valve main part, the medium fluid can freely fall down, because disk seat 4, case 5 and disk seat sealing surface 12, case window adjusting surface 13, The valve body valve seat adjusting surface 14 and the sealing ring are in a tight state, so that medium fluid directly falls into the centripetal fluid seat 2 from two sides of the valve seat 4, a first centripetal flow water inlet surface 21, a second centripetal flow water inlet surface 22, a third centripetal flow water inlet surface 23 and a fourth centripetal flow water inlet surface 24 are arranged in the centripetal fluid seat 2, when the flows in multiple directions are converged to the valve seat 4 or the core part of the valve core 5 at the same speed, the centripetal fluid seat 2 can generate an opposite energy dissipation effect to end the nozzle effect of continuously reducing pressure and increasing speed, so that the flow speed of the fluid is reduced, the kinetic energy is converted into potential energy, the fluid cannot reach the lower limit of gasification pressure, the flash evaporation condition of the saturated working medium is eliminated, the gasification of the fluid does not occur in the valve seat 4 and the valve core 5, cavitation erosion cannot be caused to an overflowing part, and the structure of a valve internal part is changed, a specific flow passage is specified for the fluid, so that the sealing surfaces of the valve seat 4 and the valve core 5 are prevented from being washed away by the fluid, the service life of the stop valve is prolonged, and the stop valve is convenient to operate and practical.

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 (6)

1. The utility model provides a vertical pipe antiscour stop valve, includes stop valve main part and valve body (1), its characterized in that: the stop valve is characterized in that a valve body (1) is installed on a stop valve main body, a centripetal fluid seat (2) is installed at the upper end of the valve body (1), a valve seat (4) is arranged above the centripetal fluid seat (2), a valve core (5) is installed at the top of the valve seat (4), valve covers (6) are arranged on two sides of the upper portion of the valve core (5), a valve rod guide groove (8) is installed above the valve core (5), an energy storage disc spring (10) is arranged at the rear end of the valve rod guide groove (8), an energy storage coupler (9) is installed on one side of the upper end of the energy storage disc spring (10), a valve seat sealing surface (12) is arranged at the bottom of the valve seat (4), a valve core window adjusting surface (13) is arranged at the lower end of the valve seat sealing surface (12), the valve core window adjusting surface (13) is connected with the centripetal fluid seat (, and a valve body valve seat adjusting surface (14) at the other side of the centripetal fluid seat (2).

2. The vertical pipe anti-scour shut-off valve of claim 1, wherein: the centripetal fluid seat (2) is composed of a first centripetal flow water inlet surface (21), a second centripetal flow water inlet surface (22), a third centripetal flow water inlet surface (23) and a fourth centripetal flow water inlet surface (24), and the third centripetal flow water inlet surface (23) and the fourth centripetal flow water inlet surface (24) are arranged on two sides of the lower portion of the first centripetal flow water inlet surface (21) and the lower side of the second centripetal flow water inlet surface (22).

3. The vertical pipe anti-scour shut-off valve of claim 1, wherein: the valve rod guide groove (8) is fixedly connected with the energy storage coupler (9) through a valve rod directional bolt (7).

4. The vertical pipe anti-scour shut-off valve of claim 1, wherein: the valve core (5) is connected with the energy storage coupler (9) through the valve core and coupler connecting sleeve (11).

5. The vertical pipe anti-scour shut-off valve of claim 1, wherein: the degree of an included angle between the stop valve main body and the vertical pipeline is 50 degrees when the stop valve main body and the vertical pipeline are installed.

6. The vertical pipe anti-scour shut-off valve of claim 1, wherein: the stop valve main body is composed of an upper valve rod and a lower valve rod, and the upper valve rod is connected with the lower valve rod through an energy storage coupler (9).

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