CN218780797U

CN218780797U - Top-mounted hemispherical valve

Info

Publication number: CN218780797U
Application number: CN202223237638.6U
Authority: CN
Inventors: 李红丽; 于田; 魏宏阳; 叶爱媛; 于辉
Original assignee: Zhengzhou Zhongte Valve Co ltd
Current assignee: Zhengzhou Zhongte Valve Co ltd
Priority date: 2022-12-05
Filing date: 2022-12-05
Publication date: 2023-03-31
Anticipated expiration: 2032-12-05

Abstract

The utility model discloses an upper-mounted half-ball valve, which belongs to the field of valves and comprises a valve body and flange interfaces on two sides of the valve body, wherein an upper base and a lower base are respectively arranged above and below the valve body, a connecting shaft and a handle are arranged in the upper base, a valve core is arranged in the valve body, sealing rings are arranged in the two flange interfaces, the valve core rotates in the valve body and is in shearing sealing fit with the sealing rings, the valve core comprises a valve core body, an upper connecting end and a lower connecting end are arranged on the valve core body, rotating bodies are respectively arranged in the upper base and the lower base, and the valve core body rotates in the valve body through the two rotating bodies; this upper assembling type hemisphere valve can increase holistic leakproofness when using, can avoid inside liquid reverse osmosis simultaneously, and can strike off the granule of contact surface when the open and close valve, avoids the granule to influence whole leakproofness, is fit for using widely.

Description

Top-mounted hemispherical valve

Technical Field

The utility model relates to a hemisphere valve technical field especially relates to a top-mounted hemisphere valve.

Background

The hemispherical valve is a valve with an internal valve core rotating around the axis of the ball valve, and the opening and closing of the valve are realized through the axial rotation of the valve core.

The publication No. CN214838536U discloses an upper-mounted eccentric half ball valve, which comprises a valve body, a valve cover, a valve body seat and a wear-resistant sealing gasket, wherein first thread grooves are equidistantly arranged on the surface of the valve body, first thread holes are equidistantly arranged on the surface of the valve cover, first fastening bolts are fixedly arranged between the first thread holes and the first thread grooves, second thread holes are equidistantly arranged on the surface of the valve cover, second thread grooves are equidistantly arranged on the surface of a valve rod seat, second fastening bolts are threadedly arranged between the second thread grooves and the second thread holes, a rotating disc is rotatably arranged on the inner wall of the valve rod seat, and a valve rod is rotatably arranged on the inner wall of the valve rod seat; the technical problems of instability, poor wear resistance and poor service life of the valve body are solved.

However, when the upper-mounted eccentric half-ball valve is used, liquid in the upper-mounted eccentric half-ball valve is easy to seep at the flange, and the phenomenon of reverse osmosis of the liquid at the axis is easy to occur, so that the integral sealing performance of the valve body is poor; when the liquid has insoluble impurity particles, the particles are easily clamped between the valve core and the valve body when the valve body is opened or closed, the sealing property is further influenced, and the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the above problem and providing a can increase holistic leakproofness, can avoid inside liquid reverse osmosis simultaneously, and can strike off the granule of contact surface when the open and close valve, avoid the granule to influence the facial make-up formula hemisphere valve of whole leakproofness.

In order to achieve the above purpose, the technical scheme of the utility model is that: the upper-mounted hemispherical valve comprises a valve body and flange interfaces on two sides of the valve body, an upper base and a lower base are respectively arranged above and below the valve body, a connecting shaft and a handle are arranged in the upper base, a valve core is arranged in the valve body, sealing rings are arranged in the two flange interfaces, and the valve core rotates in the valve body and is in shearing sealing fit with the sealing rings.

Preferably, the valve core comprises a valve core body, an upper connecting end and a lower connecting end are arranged on the valve core body, rotating bodies are respectively arranged in the upper base and the lower base, the valve core body rotates in the valve body through the two rotating bodies, and the rotating bodies above the valve core body extend upwards to be integrated with the connecting shaft.

Preferably, be equipped with a plurality of semicircle form annular grooves on the circumference of turning, be equipped with circular sealing ring in the semicircle form annular groove, the outside of sealing ring is equipped with the sealed cowling, interference fit between sealing ring and the sealed cowling, semicircle form annular groove, circular sealing ring and sealed cowling are established at this internal valve.

Preferably, the valve core body further comprises a buffer layer, a sealing plate is arranged outside the buffer layer, and the sealing plate is in shear fit with the sealing ring.

Preferably, the sealing ring is fixed in the flange interface, a Z-shaped groove is formed in one side, close to the sealing plate, of the sealing ring, a Z-shaped sealing ring is arranged in the Z-shaped groove, and the Z-shaped sealing ring is in clearance fit with the sealing ring in the Z-shaped groove.

Preferably, the circumference of the sealing plate is further provided with an arc chamfer, and when the valve core body rotates, the sealing plate is in shear fit with the Z-shaped sealing ring at the arc chamfer.

The utility model discloses a top-mounted half ball valve, which belongs to the field of valves and comprises a valve body and flange interfaces on two sides of the valve body, wherein an upper base and a lower base are respectively arranged above and below the valve body, a connecting shaft and a handle are arranged in the upper base, a valve core is arranged in the valve body, sealing rings are arranged in the two flange interfaces, the valve core rotates in the valve body and is in shearing sealing fit with the sealing rings, the valve core comprises a valve core body, an upper connecting end and a lower connecting end are arranged on the valve core body, rotating bodies are respectively arranged in the upper base and the lower base, and the valve core body rotates in the valve body through the two rotating bodies; compared with the prior art, this upper assembling type hemisphere valve has can increase holistic leakproofness, can avoid inside liquid reverse osmosis simultaneously, and can strike off the granule of contact surface when the open and close valve, avoids the granule to influence the beneficial effect of whole leakproofness.

Drawings

Fig. 1 is a schematic structural view of an upper half ball valve of the present invention.

Fig. 2 is a schematic structural diagram of the valve element body in the upper half ball valve of the present invention.

Fig. 3 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.

Fig. 4 is a schematic view of the position structure of the middle sealing plate and the sealing ring of the present invention.

Fig. 5 is a schematic diagram of the position structure of the middle sealing plate and the sealing ring of the present invention.

Fig. 6 is an enlarged schematic view of the structure at B in fig. 4 according to the present invention.

Fig. 7 is an enlarged schematic view of the structure of fig. 5 at C according to the present invention.

In the figure: 1. a valve body; 11. a seal ring; 111. a Z-shaped groove; 112. a Z-shaped sealing ring; 2. a flange interface; 3. an upper base; 31. a connecting shaft; 32. a handle; 4. a lower base; 5. a valve core; 51. a valve core body; 52. an upper connection end; 53. a lower connecting end; 54. a swivel; 541. a semicircular annular groove; 542. a circular seal ring; 543. a sealing cover; 55. a buffer layer; 56. and (7) sealing the plate.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. The attached drawings are simplified schematic diagrams, and merely illustrate the basic structure of the present invention in a schematic manner, and thus show only the components related to the present invention.

Referring to fig. 1, an upper half ball valve includes a valve body 1 and flange connectors 2 at two sides of the valve body 1, an upper base 3 and a lower base 4 are respectively arranged above and below the valve body 1, a connecting shaft 31 and a handle 32 are arranged in the upper base 3, a valve core 5 is arranged in the valve body 1, sealing rings 11 are arranged in the two flange connectors 2, and the valve core 5 rotates in the valve body 1 and is in shearing sealing fit with the sealing rings 11; one end of the connecting shaft 31 is connected with the handle 32, the other end of the connecting shaft extends into the valve body 1 to be connected with the valve core 5, and when the handle 32 rotates, the valve core 5 rotates in the valve body 1, so that the valve core is controlled to be opened or closed.

In the solution of the present invention, please refer to fig. 2-3, the valve element 5 includes a valve element body 51, the valve element body 51 is provided with an upper connecting end 52 and a lower connecting end 53, the upper base 3 and the lower base 4 are respectively provided with a rotating body 54, the valve element body 51 rotates in the valve body 1 through two rotating bodies 54, the rotating body 54 above extends upwards to be integrated with the connecting shaft 31, and when the upper handle 32 rotates, the connecting shaft 31 and the rotating body 54 drive the valve element body 51 to rotate in the valve body 1.

In order to increase the sealing performance between the valve body 51 and the rotator 54, a plurality of semicircular annular grooves 541 are disposed on the circumference of the rotator 54, a circular sealing ring 542 is disposed in the semicircular annular groove 541, a sealing cover 543 is disposed outside the circular sealing ring 542, and the circular sealing ring 542 and the sealing cover 543 are in interference fit, that is, the sealing cover 543 draws the circular sealing ring 542 into the semicircular annular groove 541, please refer to fig. 3 again, the semicircular annular groove 541, the circular sealing ring 542 and the sealing cover 543 are disposed in the valve body 1, that is, the semicircular annular groove 541, the circular sealing ring 542 and the sealing cover 543 are disposed after the rotator 54 extends into the valve body 51, and in addition, one end of the sealing cover 543 is attached to the surfaces of the upper connecting end 52 and the lower connecting end 53, so that the reverse leakage of the liquid in the valve body 1 can be avoided, and the overall sealing performance can be increased.

In addition, the valve element body 51 further comprises a buffer layer 55, a sealing plate 56 is arranged outside the buffer layer 55, the sealing plate 56 is in shear fit with the sealing ring 11, the buffer layer is an elastic rubber layer, when the sealing plate 56 and the sealing ring 11 are in shear extrusion, the buffer layer is outwards compressed to have certain elasticity, the shearing strength of the sealing plate 56 and the sealing ring 11 is increased, and the sealing performance is improved.

Referring to fig. 4-7, in the solution of the present invention, specifically, the sealing ring 11 is fixed in the flange connector 2, a Z-shaped groove 111 is formed on one side of the sealing ring 11 close to the sealing plate 56, wherein the Z-shaped groove 111 is set around the circumference of the sealing ring 11, a Z-shaped sealing ring 112 is disposed in the Z-shaped groove 111, wherein the Z-shaped sealing ring 112 is an elastic rubber ring, the Z-shaped sealing ring 112 is in clearance fit with the sealing ring 11 in the Z-shaped groove 111, an arc chamfer is formed on the circumference of the sealing plate 56, and when the valve element body 51 rotates, the sealing plate 56 is in shear fit with the Z-shaped sealing ring 112 at the arc chamfer; that is to say, in a normal state (valve opening state), when the Z-shaped sealing ring 112 is not pressed by an external force, a gap (as shown in fig. 6) exists between the Z-shaped sealing ring 112 and the sealing ring 11, when the valve element body 51 drives the sealing plate 56 to rotate in the valve body 1 (valve closing sealing), the Z-shaped sealing ring 112 is sheared and pressed into the Z-shaped groove 111 until the Z-shaped sealing ring 112 fills the gap, in the shearing and pressing process, fine particles on the surfaces of the sealing plate 56 and the Z-shaped sealing ring 112 can be scraped, the sealing performance is improved, meanwhile, the particles can be prevented from being attached to a contact surface, and the influence of the particles on the sealing performance on the surface is avoided.

When the novel top-mounted hemispherical valve is in an open state, the two flange interfaces 2 are communicated relatively, when the valve needs to be closed, the handle 32 is rotated, at the moment, the handle 32 drives the valve core body 51 to rotate in the valve body 1 through the connecting shaft 31 and the two rotating bodies 54, when the sealing plate 56 on the valve core body 51 completely shears and extrudes the Z-shaped sealing ring 112, the valve body 1 is closed, at the moment, one of the flange interfaces 2 is sealed and closed, and liquid is blocked at one side of the sealing plate 56; in addition, the rotator 54 extends into the valve core body 51, and the circular sealing ring 542 and the sealing cover 543 are arranged inside and contact the surfaces of the upper connecting end and the lower connecting end, so that reverse permeation of internal liquid at the rotator 54 can be avoided, and the overall sealing performance is improved.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. The upper-mounted hemispherical valve is characterized in that a valve core is arranged in the valve body, sealing rings are arranged in the two flange interfaces, and the valve core rotates in the valve body and is in shear sealing fit with the sealing rings.

2. The upper-mounted hemispherical ball valve as claimed in claim 1, wherein the valve core comprises a valve core body, an upper connection end and a lower connection end are arranged on the valve core body, rotators are respectively arranged in the upper base and the lower base, the valve core body rotates in the valve body through the two rotators, and the upper rotator extends upwards to be integrated with the connection shaft.

3. The upper-mounting type half-ball valve according to claim 2, wherein a plurality of semicircular annular grooves are formed in the circumference of the rotating body, circular sealing rings are arranged in the semicircular annular grooves, a sealing cover is arranged outside the circular sealing rings, the circular sealing rings and the sealing cover are in interference fit, and the semicircular annular grooves, the circular sealing rings and the sealing cover are arranged in the valve body.

4. The upper-mounted hemispherical ball valve as claimed in any one of claims 2 or 3, wherein the valve core body further comprises a buffer layer, a sealing plate is arranged outside the buffer layer, and the sealing plate is in shear fit with the sealing ring.

5. The top-loading hemispherical valve as claimed in claim 4, wherein the sealing ring is fixed in the flange joint, the sealing ring is provided with a Z-shaped groove at one side close to the sealing plate, a Z-shaped sealing ring is arranged in the Z-shaped groove, and the Z-shaped sealing ring is in clearance fit with the sealing ring in the Z-shaped groove.

6. The top-loading hemispherical valve according to claim 5, wherein the sealing plate is further provided with an arc chamfer at the circumference, and when the valve core body rotates, the sealing plate is in shear fit with the Z-shaped sealing ring at the arc chamfer.