TWM551671U - Ceramic control valve with integrated disk and ball - Google Patents

Description

Disc ball integrated ceramic control valve

The utility model relates to a disc ball integrated ceramic control valve, in particular to a disc ball integrated ceramic control valve for pipeline use.

The pipeline is an important equipment for conveying medium and hydraulic and pneumatic control. The valve is widely used in various pipelines to connect, close and adjust the flow and pressure of the pipeline, which has met the production needs. Among them, the ball valve is quick to open and close, easy to operate, and widely used.

The ball valve generally comprises a valve body, a valve ball, a sealing assembly, a coupling assembly and the like, and a close fit between the components effectively controls the circulation of the pipeline fluid. The application of ceramic materials in ball valves effectively improves the influence of corrosion, but the solid material flushing in the fluid will still cause the wear and deformation of the valve seat and the valve ball. After a period of time, the valve ball will be deflected and the valve will be caused. The deformation of the rod affects the normal opening and closing operation of the valve.

In addition, during use, due to various working conditions, the valve ball is often not in the fully open or fully closed state. When the fluid passes at high speed, the special fluid contains some impurities, which will cause greater corrosion and wear on the corners of the valve ball. , affecting the normal opening and closing operation of the valve, seriously affecting the life of the ball valve.

Therefore, how to develop a new type of control valve can not only fully utilize the characteristics of the quick opening and closing of the ball valve, but also effectively reduce the corrosion and wear of the ball valve in the non-fully open or fully closed state, and at the same time, the valve control method for effectively controlling the flow rate, Has important practical significance.

Therefore, in view of the prior art, the ball valve control regulates the problem of flow corrosion and wear, and the main purpose of the present invention is to provide a disc ball integrated ceramic control valve.

The disc ball integrated ceramic control valve comprises: a disc ball integrated ceramic control valve, comprising: an upper valve stem, a valve body, a valve seat, a valve ball, a valve plate, a lower valve stem, a valve body is disposed in the valve body, the valve ball is embedded in a center of the valve seat, the valve seat is disposed in a cavity inside the valve body, and a sealing gasket is disposed between the valve seat and the valve body; a valve is arranged in the middle of the valve ball, the valve plate is disposed at the flow path, and an upper support hole and a lower support hole are respectively disposed along the upper and lower ends of the central axis of the valve plate, and the valve ball is disposed above the valve ball The upper steering groove is provided with an upper through hole, and one end of the upper valve stem passes through the upper through hole above the valve ball, and is inserted into the support hole above the valve plate; below the valve ball A lower steering groove is disposed, and a lower through hole is disposed in the lower steering groove, and the lower valve stem is inserted into the support hole below the valve plate through the through hole below the valve ball.

In one implementation, the upper valve stem and the upper steering groove are in a square or flat shape, and the upper through hole has a circular shape corresponding to the upper valve stem, and the upper valve stem is operated. In the direction of the upper valve stem, the upper valve stem drives the valve ball to rotate together to control the flow rate of a fluid.

In an implementation, the position where the upper valve stem and the upper support hole cooperate with each other is processed into a cylindrical structure, and the upper support hole is correspondingly configured as a circular hole structure, and the upper valve stem is controlled when the direction of the upper valve stem is manipulated. The valve plate is supported through the upper support hole to ensure that the valve plate maintains a stable balance during the operation of the valve ball and the valve plate.

In one implementation, when the upper valve stem is rotated through the upper handle, the front portion of the upper valve stem can drive the valve ball to rotate in the upper steering groove, so as to achieve the purpose of controlling the fluid flow, and at the same time, inserting into the support hole portion of the valve plate. One end of the upper stem can provide a good support for the valve plate.

In an implementation, the position where the lower valve stem and the lower through hole cooperate with each other is processed into a cylindrical structure, and the lower through hole is correspondingly configured as a hollow cylindrical structure, and the lower valve is controlled when the direction of the lower valve stem is controlled. The rod supports the valve ball through the lower through hole.

In one implementation, the position of the lower valve stem and the lower support hole of the valve plate is processed into a square shape or a flat shape, and the lower support hole is correspondingly provided with a hollow square or a flat shape, and the lower control hole is controlled. In the direction of the valve stem, the lower valve stem drives the valve plate to rotate together through the lower support hole to control a fluid flow.

When the lower valve stem is rotated through the lower handle, the lower valve stem passing through the lower support hole portion will drive the valve plate to perform a rotary motion, and the lower valve stem passes through the through hole of the valve ball to support the valve ball, so that The fluid flow can be further adjusted and controlled based on the flow rate of the valve ball.

In one implementation, the valve plate is configured as a butterfly valve plate, and the butterfly valve plate is disposed in one piece or in combination, and the valve body is selected from fully lined PTFE or fully lined ceramic or metal or non- Made of any of the metals.

The material fully lined with PTFE or fully lining ceramic can effectively improve the corrosion inside the valve body, and has strong wear resistance, which reduces the wear deformation of the valve seat and the valve ball, reduces the deflection of the valve ball and avoids deformation of the valve stem. It ensures the normal opening and closing operation of the valve and prolongs the service life.

In one implementation, the sealing gasket is disposed at a position where the valve seat contacts the inner wall of the valve body, that is, a sidewall of the valve body, and the sealing gasket is disposed at intervals of two hemispherical spacers. The structure in which the voids are reversely tangentially arranged.

The gasket acts as a seal. The middle gap of the two hemispherical gaskets has a certain elastic deformation. The gasket plays a supporting role during the compression process and increases its contact with the inner wall of the valve ball. The area effectively controls the elastic deformation of the gasket and prolongs the service life.

In one implementation, the upper valve stem is vertically connected to the upper handle, and the lower valve stem is vertically connected to the lower handle, and the upper handle and the lower handle are arranged in parallel. Through the principle of leverage, it is labor-saving, easy to operate, and easy to repair and replace.

The dual-function ceramic control valve of the present invention can quickly control the opening and closing of the ball valve by controlling the rotation of the valve ball through the upper valve stem, and the upper valve stem is used to control the rotation of the valve ball to adjust the flow rate, and in the state where the ball valve is open, The flow control is adjusted by controlling the rotation of the valve plate through the lower valve stem, and the lower valve stem is used to control the rotation of the valve plate to assist in adjusting the flow rate. While regulating the flow rate, the upper valve stem plays a supporting limit on the valve plate, and the lower valve stem plays a supporting limit on the valve ball to ensure that the valve plate and the valve ball remain stable during the operation of the valve ball and the valve plate. Balance, can effectively prevent the deviation of the valve ball and the valve plate. Even if the valve ball and the valve seat are worn and deformed, the ball and the valve plate will not be biased under the joint action of the upper valve stem and the lower valve plate. , still can be manipulated.

1‧‧‧ Lower handle

2‧‧‧ lower stem

3‧‧‧ valve body

31‧‧‧ fluid passage

32‧‧‧ Cavity

4‧‧‧Valve ball

5‧‧‧Valve plate

6‧‧‧ valve seat

7‧‧‧Upper stem

9‧‧‧Upper handle

10‧‧‧Sealing gasket

12‧‧‧Upward steering slot

121‧‧‧Upper through hole

13‧‧‧ Lower steering slot

131‧‧‧Under hole

15‧‧‧Upper support hole

16‧‧‧ lower support hole

The first picture shows the structure of the disc-integrated ceramic control valve. The second picture shows the structure of the valve stem above the disc-integrated ceramic control valve. The third picture shows the creation of the disc-integrated ceramic control. Schematic diagram of the valve stem under the valve; Figure 4 is a schematic view of the structure of the valve ball of the integrated ceramic ball control valve; the fifth figure is a schematic structural view of the valve plate of the integrated ball control ceramic control valve;

The above object of the present invention, as well as its structural and functional features, will be described in accordance with the preferred embodiments of the drawings.

Referring to FIG. 1 , a disc ball integrated ceramic control valve includes an upper valve stem 7 , a valve body 3 , a valve seat 6 , a valve ball 4 , a valve plate 5 , and a lower valve stem 2 . 3 is provided with a lateral fluid passage 31, the valve ball 4 is embedded in the center of the valve seat 6, and the valve seat 6 is disposed in a cavity 32 inside the valve body 3, A sealing gasket 10 is disposed between the valve seat 6 and the valve body 3; a center passage 41 is provided in the middle of the valve ball 4, and the valve plate 5 is disposed at the flow passage 41 along a central axis of the valve plate 5 An upper support hole 15 and a lower support hole 16 are respectively disposed on the upper and lower ends, and an upper steering groove 12 is disposed above the valve ball 4, and an upper through hole 121 is disposed in the upper steering groove 12, and the upper valve stem 7 is disposed. One end passes through the upper through hole 121 above the valve ball 4, and is inserted into the support hole 16 above the valve plate 5; a lower steering groove 13 is disposed below the valve ball 4, and the lower steering groove 13 is disposed therein. a through hole 131, the lower valve stem 2 is inserted into the lower support hole 16 of the valve plate 5 through the lower through hole 131 of the valve ball 4, and the upper valve stem 7 is vertically connected with the upper handle 9, the lower The valve stem 2 is vertically connected to the lower handle 1. The upper handle 9 and the lower handle 1 are arranged in parallel, and the principle of the lever is adopted, which is labor-saving, convenient to operate, and convenient for maintenance and replacement.

The gasket 10 is disposed at a position where the valve seat 6 is in contact with the inner wall of the valve body 3, that is, on the side wall of the valve body 3, and the gasket 10 is separated by a hemispherical gasket. Reverse tangential arrangement of the structure.

The sealing gasket 10 has a sealing effect, and the middle gap of the two hemispherical gaskets has a certain elastic deformation, and the sealing gasket 10 plays a supporting role during the compression process, and at the same time increases the inside of the valve ball 4 The contact area of the wall effectively controls the elastic deformation of the gasket 10 and prolongs the service life.

When the upper valve stem 7 is rotated, the front portion of the upper valve stem 7 at the portion of the upper steering groove 12 can drive the valve ball 4 to rotate, so as to achieve the purpose of controlling fluid flow, and at the same time, inserting into the valve plate 5 One end of the upper stem 7 of the upper support hole 15 can provide a good support for the valve plate 5.

When the lower valve stem 2 is rotated, the valve plate 5 is driven to rotate, and the lower valve stem 2 passes through the portion of the through hole 131 below the valve ball 4 to support the rotation of the valve ball 4, so that The valve ball 4 controls the flow based on further adjustment control of the fluid flow.

As shown in the second, third, fourth, and fifth figures, the upper valve stem 7 and the upper steering groove 12 are in a square or flat shape, and the front portion of the upper valve stem 7 is described in this embodiment. Machining is flat, with the upper steering of the valve ball 4 When the grooves 12 are engaged and the direction of the upper valve stem 7 is manipulated, the valve ball 4 is rotated together through the upper steering groove 12 to control the fluid flow rate. The end portion of the upper valve stem 7 is processed into a cylindrical structure, and the upper support hole 15 is correspondingly disposed as a hollow cylindrical structure, and the portion passes through the upper through hole 121 and is inserted into the upper support hole of the valve plate 5. In the case of 15, the valve plate 5 is supported to ensure that the valve plate 5 maintains a stable balance during the operation of the valve ball 4 and the valve plate 5.

The valve plate 5 is disposed as a butterfly valve plate, and the butterfly valve plate is disposed in one piece or in combination. The valve body 3 is selected from fully lined PTFE or fully lined ceramic or metal or non-metal. Made of any material.

As shown in the second, third, fourth, and fifth figures, the distal end portion of the lower valve stem 2 is formed in a cylindrical shape and passes through the lower through hole 131 on the valve ball 4, and the lower through hole 131 is correspondingly disposed to The hollow cylindrical structure, the position of the lower valve stem 2 and the lower support hole 16 of the valve plate 5 is processed into a square shape or a flat shape, and the embodiment is processed into a square shape and a lower support hole of the valve plate 5. 16-phase connection. When the lower valve stem 2 is operated, the square structure of the end portion drives the valve plate 5 to rotate together, and the fluid flow rate can be controlled, while the cylindrical portion of the front portion supports the valve ball 4.

During the specific use, the valve plate 5 and the valve ball 4 are independently controlled by the upper valve stem 7 and the lower valve stem 2, respectively. The two are two independent systems, the valve plate 5 and the valve ball 4 It can be adjusted at the same time or separately. The valve ball 4 is mainly used as a switch. On the basis of the main switch of the valve ball 4, the valve plate 5 serves as an auxiliary regulating flow, and for the medium in which the valve ball 4 is corroded and worn, In particular, there is a fluid system with minute particulate impurities, first determining that the valve plate 5 is in a closed state, then operating the valve stem 7 to bring the valve ball 4 into a fully open state, and then operating the lower valve stem 2 for flow regulation control. When the system is closed, the valve plate 5 is generally first adjusted to the closed state, and then the valve stem 7 is fully closed by operating the valve stem 7, or the valve ball 4 can be closed by directly operating the upper valve stem 7.

The above description is not intended to limit the present invention, and it should be noted that those skilled in the art can make various changes, modifications, additions or substitutions without departing from the spirit of the invention. Retouching should also be the scope of protection for this creation.

1‧‧‧ Lower handle

2‧‧‧ lower stem

3‧‧‧ valve body

31‧‧‧ fluid passage

32‧‧‧ Cavity

4‧‧‧Valve ball

41‧‧‧ flow path

5‧‧‧Valve plate

6‧‧‧ valve seat

7‧‧‧Upper stem

9‧‧‧Upper handle

10‧‧‧Sealing gasket

Claims (8)

A disc ball integrated ceramic control valve comprises: an upper valve stem, a valve body, a valve seat, a valve ball, a valve plate and a lower valve stem, wherein the valve body is provided with a lateral fluid passage, the valve The ball is embedded in the center of the valve seat, the valve seat is disposed in a cavity inside the valve body, and a sealing gasket is disposed between the valve seat and the valve body; the valve ball has a first-class channel in the middle of the valve ball, the flow channel The valve plate is disposed at the upper and lower ends of the central axis of the valve plate, and an upper support hole and a lower support hole are respectively disposed, and an upper steering groove is disposed above the valve ball, and the upper steering groove is provided with a An upper through hole, one end of the upper valve stem passes through the upper through hole above the valve ball, and is inserted into the support hole above the valve plate; a lower steering groove is disposed below the valve ball, and the lower steering groove is disposed There is a through hole, and the lower valve stem is inserted into the support hole below the valve plate through the through hole below the valve ball. The disc ball integrated ceramic control valve according to claim 1, wherein the upper valve stem and the upper steering groove are in a square or a flat shape, and the shape of the upper steering groove is The upper valve stem is correspondingly square or flat. When the direction of the upper valve stem is operated, the upper valve stem drives the valve ball to rotate together to control the flow of a fluid through the upper steering groove. The disc ball integrated ceramic control valve according to claim 1, wherein the position where the upper valve stem and the upper support hole cooperate with each other is processed into a cylindrical structure, and the upper support hole is correspondingly arranged as a hollow cylinder. The body structure, when the direction of the upper valve stem is manipulated, the upper valve stem supports the valve plate through the upper support hole. The disc ball integrated ceramic control valve according to claim 1, wherein the position where the lower valve stem and the lower through hole cooperate with each other is processed into a cylindrical structure, and the lower through hole is correspondingly disposed. The hollow cylinder structure is configured to support the valve stem through the lower through hole when the direction of the lower stem is manipulated. The disc ball integrated ceramic control valve according to claim 1, wherein the position where the lower valve stem and the lower support hole cooperate with each other is formed into a square shape or a flat shape, and the lower support hole is correspondingly disposed. The hollow square or a flat shape controls the direction of the lower valve stem, and the lower valve stem drives the valve plate to rotate together through the lower support hole to control a fluid flow. The disc ball integrated ceramic control valve according to claim 1, wherein the valve plate is provided as a butterfly valve plate, and the butterfly valve plate is disposed in an integral or combined manner, the valve The body is made of fully lined PTFE or fully lined ceramic or metal or non-metal. The disc ball integrated ceramic control valve according to claim 1, wherein the gasket is disposed at a position where the valve seat contacts the inner wall of the valve body, that is, a side wall of the valve plate, the gasket The sheet is a structure in which two hemispherical spacers are arranged in a reverse tangential arrangement with a gap. The disc ball integrated ceramic control valve according to claim 1, wherein the upper valve stem is vertically connected to an upper handle, and the lower stem is vertically connected to the lower handle, the upper handle being parallel to the lower handle Arrange the settings.