CN210623681U

CN210623681U - Three-way eccentric half ball valve

Info

Publication number: CN210623681U
Application number: CN201921663629.9U
Authority: CN
Inventors: 马尚才; 胡成爱
Original assignee: Zhejiang Yaxv Valve Industry Co ltd
Current assignee: Zhejiang Yaxv Valve Industry Co ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-05-26
Anticipated expiration: 2029-09-30

Abstract

The utility model discloses a three-way eccentric half ball valve, which comprises a valve body, wherein the top of the valve body is provided with a valve cover, a first runner, a second runner and a third runner are arranged in the valve body, the three-way eccentric half ball valve also comprises a first opening and closing mechanism and a second opening and closing mechanism which are respectively used for opening and closing the first runner and the second runner, the first opening and closing mechanism and the second opening and closing mechanism have the same structure, the first opening and closing mechanism comprises a valve seat arranged on the inner wall of the first runner, a hemisphere which is arranged in the first runner and is matched with the valve seat, a valve rod which runs through the valve body and the valve cover, a hand wheel and a transmission case which; the input of transmission case links to each other with the hand wheel, and the output of transmission case links to each other with the valve rod, and the bottom of valve body is equipped with the pivot, and the top and the valve rod of hemisphere rotate to be connected, and the bottom and the pivot of hemisphere are connected, and the surface detachable of hemisphere is connected with wear-resisting ring, and when the hemisphere was closed, wear-resisting ring and disk seat extrusion fit. The utility model has the characteristics of make things convenient for dismouting, easy maintenance and input cost low.

Description

Three-way eccentric half ball valve

Technical Field

The utility model relates to a hemisphere valve, especially a tee bend eccentric hemisphere valve.

Background

Ball valve, the piece that opens and shuts (spheroid) is driven by the valve rod, and the valve of rotary motion is made to the duplex winding ball valve axis, also can be used to fluidic regulation and control, wherein have very strong shearing force between its V type ball core of hard seal V type ball valve and the metal disk seat of build-up welding carbide, specially adapted contains fibre, the medium of small solid particle etc., and the multiple-way ball valve not only can nimble control medium's confluence, reposition of redundant personnel, and the switching of flow direction on the pipeline, also can close arbitrary passageway simultaneously and make two other passageways link to each other, this type of valve generally should horizontal installation in the pipeline, the ball valve divide into according to the drive mode: pneumatic ball valves, electric ball valves, manual ball valves.

The eccentric half ball valve is a novel ball valve type, has the advantages unique to the structure of the eccentric half ball valve, such as no friction of a switch, difficult abrasion of sealing and small opening and closing moment, can reduce the specification of a matched actuator, is matched with a multi-rotation electric actuating mechanism, can realize the adjustment and tight cutting of a medium, and is widely suitable for the working conditions of strict cutting requirements of petroleum, chemical engineering, urban water supply and drainage and the like.

But conventional eccentric half ball valve all is applied to two-way pipeline, then need put into two sets of eccentric half ball valve in three-way pipeline, it is loaded down with trivial details to install, not only improved working strength, and the input cost is higher, and conventional eccentric half ball valve all is sealed firmly alone, the sealed face of hemisphere is metallic, the valve seat sealed face is also metallic, after the metal uses metal seal for a long time, sealed face can wear and tear, the leakproofness of valve just can not more be ensured, consequently need change the hemisphere, the change of whole hemisphere is not only the maintenance troublesome, and the cost is higher.

Disclosure of Invention

An object of the utility model is to provide a tee bend eccentric half-ball valve. The utility model has the characteristics of make things convenient for dismouting, easy maintenance and input cost low.

The technical scheme of the utility model: a three-way eccentric half ball valve comprises a valve body, wherein a valve cover is arranged at the top of the valve body, a first flow passage, a second flow passage and a third flow passage are arranged in the valve body, the three-way eccentric half ball valve also comprises a first opening and closing mechanism and a second opening and closing mechanism which are respectively used for opening and closing the first flow passage and the second flow passage, the first opening and closing mechanism and the second opening and closing mechanism have the same structure, the first opening and closing mechanism comprises a valve seat arranged on the inner wall of the first flow passage, a half ball body which is arranged in the first flow passage and is matched with the valve seat, a valve rod which penetrates through the valve body and the valve cover, a hand; the input end of transmission case links to each other with the hand wheel, and the output of transmission case links to each other with the valve rod, the bottom of valve body is equipped with the pivot, and the top and the valve rod of hemisphere rotate to be connected, and the bottom and the pivot of hemisphere rotate to be connected, the surface detachable of hemisphere is connected with wear-resisting ring, and when the hemisphere was closed, wear-resisting ring and disk seat extrusion fit.

In the three-way eccentric half ball valve, an annular groove is formed in the surface of the half ball body, and the wear-resistant ring is embedded in the annular groove and fixed through the locking screw.

In the three-way eccentric half ball valve, a rubber pad is arranged between the annular groove and the wear-resisting ring.

In the three-way eccentric half ball valve, the wear-resistant ring is made of high-manganese wear-resistant steel.

In the three-way eccentric half ball valve, a first sealing ring is arranged between the valve rod and the valve body, and a second sealing ring is arranged between the rotating shaft and the valve body.

In the three-way eccentric half ball valve, the valve body is provided with a water flow direction mechanism, the water flow direction mechanism comprises an L-shaped shaft, the L-shaped shaft comprises a transverse shaft and a longitudinal shaft which are vertically arranged, the transverse shaft is rotatably arranged on the valve body in a penetrating manner and is limited by a limiting ring, and the outer end of the transverse shaft is connected with a pointer; the longitudinal shaft is arranged in the valve body and is in threaded connection with a water-meeting plate; the outer surface of the valve body is provided with a transparent isolation cover which is fixed on the valve body through screws.

In the three-way eccentric half-ball valve, a sealing gasket is clamped between the transparent isolation cover and the valve body.

Compared with the prior art, the utility model discloses a set up three runner in the valve body, set up the starting and stopping mechanism that corresponds in wherein two runners and be used for controlling opening and close of runner. The opening and closing mechanism drives the valve rod to rotate by rotating the hand wheel and driving the transmission box to drive the valve rod to rotate, so that the effect of controlling the hemisphere is achieved, and the corresponding flow channel is closed when the hemisphere is in sealing fit with the valve seat. The on-off combination of three runners can be realized by controlling the two opening and closing mechanisms, the three-way valve is very convenient to use in a three-way or multi-way pipeline, the investment of the eccentric half ball valve is reduced, the labor amount required when the ball valve is installed is greatly reduced, and the use cost is reduced. Hemisphere surface demountable installation has utilized wear ring and disk seat extrusion fit, wear ring wearing and tearing back, only need change wear ring can, not only save the resource, the input cost is low, and the maintenance is very convenient moreover.

The surface of the hemisphere of the utility model is provided with the annular groove, and the wear-resistant ring is embedded in the annular groove to ensure that the outer cambered surface of the wear-resistant ring is flush with the outer spherical surface of the hemisphere, so that the opening and closing are smoother; the wear-resisting ring is fixed by a screw, and the assembly and disassembly are very convenient.

The utility model discloses a be equipped with the rubber pad between ring channel and the wear ring, the rubber pad has certain effect from tighting and buffering, and the fixed effect that enables the wear ring is better to prevent that the wear ring from taking place the micro displacement.

The wear-resisting ring of the utility model is made of high-manganese wear-resisting steel, and has higher surface hardness, strong wear resistance and longer service life.

The utility model discloses set up first sealing washer between valve rod and valve body, the leakproofness between reinforcing valve rod and the valve body sets up the second sealing washer between pivot and the valve body, strengthens the leakproofness between pivot and the valve body.

The utility model discloses a set up rivers flow direction mechanism on the valve body, through observing the pointer on the rivers flow direction mechanism, can clearly obtain the flow direction of rivers, conveniently judge the situation of opening and close of first hoist mechanism and second hoist mechanism.

The utility model discloses the transparent isolation of rivers flow to mechanism is pressed from both sides between lid and the valve body and is equipped with sealed the pad, strengthens the leakproofness between transparent isolation lid and the valve body.

Drawings

Fig. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

FIG. 3 is an enlarged schematic view of a portion B of FIG. 1;

fig. 4 is a plan view of the internal structure of the present invention.

The labels in the figures are: 1. a valve body; 2. a first flow passage; 3. a second flow passage; 4. a first opening and closing mechanism; 5. a second opening and closing mechanism; 6. a hand wheel; 7. a transmission case; 8. a valve stem; 9. a hemisphere; 10. a rotating shaft; 11. a valve seat; 12. a wear ring; 13. a first seal ring; 14. a second seal ring; 15. a water flow direction mechanism; 16. an annular groove; 17. a rubber pad; 18. locking the screw; 19. a horizontal axis; 20. a longitudinal axis; 21. an L-shaped shaft; 22. a water-facing plate; 23. a pointer; 24. a limiting ring; 25. a transparent isolation cover; 26. a gasket; 27. a third flow path; 28. and a valve cover.

Detailed Description

The present invention will be further described with reference to the following examples, which are not intended as a limitation to the present invention.

Example (b): a three-way eccentric half ball valve is shown in attached figures 1-4 and comprises a valve body 1, a valve cover 28 is arranged at the top of the valve body 1, a first flow channel 2, a second flow channel 3 and a third flow channel 27 are arranged in the valve body 1, a first opening and closing mechanism 4 and a second opening and closing mechanism 5 are further included and are respectively used for opening and closing the first flow channel 2 and the second flow channel 3, the opening and closing combination of the three flow channels can be achieved by controlling the two opening and closing mechanisms, and the three-way eccentric half ball valve is very convenient to use in a three-way or multi-way pipeline. The first opening and closing mechanism 4 and the second opening and closing mechanism 5 have the same structure, and the first opening and closing mechanism 4 comprises a valve seat 11 arranged on the inner wall of the first flow passage 2, a hemispheroid 9 which is arranged in the first flow passage 2 and is matched with the valve seat 11, a valve rod 8 which penetrates through the valve body 1 and the valve cover 28, a hand wheel 6 arranged outside the valve body 1 and a transmission case 7; the input end of the transmission box 7 is connected with the hand wheel 6, the output end of the transmission box 7 is connected with the valve rod 8, and the transmission box 7 can adopt a spiral bevel gear transmission box which is produced in Shanghai Zun Xiang and has the model of T10-1: 1-1-LR. The bottom of valve body 1 is equipped with pivot 10, and the bottom of pivot 10 is fixed through the bottom, and the bottom is fixed on valve body 1 through the bolt, and the top and the valve rod 8 of hemispheroid 9 rotate to be connected, and the bottom and the pivot 10 of hemispheroid 9 rotate to be connected, the surface detachable of hemispheroid 9 is connected with wear-resisting ring 12, and when hemispheroid 9 closed, wear-resisting ring 12 and disk seat 11 extrusion fit, wear-resisting ring 12 wearing and tearing back, only need change wear-resisting ring 12 can, not only save the resource, the input cost is low, and it is very convenient to maintain moreover. The wear-resistant ring 12 is made of high-manganese wear-resistant steel, and has the advantages of high surface hardness, high wear resistance and long service life.

As shown in fig. 2, the surface of the hemisphere 9 is provided with an annular groove 16, and the wear-resistant ring 12 is embedded in the annular groove 16, so that the outer arc surface of the wear-resistant ring 12 is flush with the outer spherical surface of the hemisphere 9, and the opening and closing are smoother. And the wear-resisting ring 12 is fixed through the locking screw 18, so that the assembly and disassembly are very convenient. A rubber pad 17 is arranged between the annular groove 16 and the wear-resistant ring 12, and the rubber pad 17 has certain self-tightening and buffering functions, so that the fixing effect of the wear-resistant ring 12 is better, and the wear-resistant ring 12 is prevented from micro-displacement.

As shown in fig. 1, a first sealing ring 13 is arranged between the valve rod 8 and the valve body 1 to enhance the sealing performance between the valve rod 8 and the valve body 1, and a second sealing ring 14 is arranged between the rotating shaft 10 and the valve body 1 to enhance the sealing performance between the rotating shaft 10 and the valve body 1.

As shown in fig. 3, a water flow direction mechanism 15 is arranged on the valve body 1, the water flow direction mechanism 15 includes an L-shaped shaft 21, the L-shaped shaft 21 includes a transverse shaft 19 and a longitudinal shaft 20 which are vertically arranged, the transverse shaft 19 is rotatably arranged on the valve body 1 in a penetrating manner and is limited by a limiting ring 24, and an outer end of the transverse shaft 19 is connected with a pointer 23; the longitudinal shaft 20 is arranged inside the valve body 1 and is in threaded connection with a water-meeting plate 22; the outer surface of the valve body 1 is provided with a transparent isolation cover 25, and the transparent isolation cover 25 is fixed on the valve body 1 through screws. A sealing gasket 26 is clamped between the transparent isolation cover 25 and the valve body 1, and the sealing gasket 26 is made of silica gel, so that the sealing performance between the transparent isolation cover 25 and the valve body 1 is enhanced. The third flow channel 27 is set as a water inlet, when the first opening and closing mechanism 4 on the first flow channel 2 is closed and the second opening and closing mechanism 5 on the second flow channel 3 is opened, water flows out through the second flow channel 3 and impacts the water-facing plate 22, the water-facing plate 22 and water flow gradually reach a stress balance point, the water-facing plate 22 rotates to a balance point position and drives the L-shaped shaft 21 to rotate, the L-shaped shaft 21 rotates to drive the pointer 23 to rotate by a corresponding angle, when the first opening and closing mechanism 4 on the first flow channel 2 is opened and the second opening and closing mechanism 5 on the second flow channel 3 is closed, water flow drives the water-facing plate 22 to rotate and further drives the pointer 23 to rotate, therefore, by observing the pointer 23 on the water flow direction mechanism 15, the flow direction of water flow can be clearly obtained, and the opening and closing conditions of the first opening and closing mechanism 4 and the second opening and.

The working principle is as follows: the utility model discloses a set up three runner in valve body 1, set up the starting and stopping mechanism that corresponds in two of them runners and be used for controlling opening and close of runner. The opening and closing mechanism drives the valve rod 8 to rotate by rotating the hand wheel 6 and driving the transmission case 7, so that the effect of controlling the hemisphere 9 is achieved, and the corresponding flow channel is closed when the hemisphere 9 is in sealing fit with the valve seat 11. The on-off combination of three runners can be realized by controlling the two opening and closing mechanisms, the three-way valve is very convenient to use in a three-way or multi-way pipeline, the investment of the eccentric half ball valve is reduced, the labor amount required when the ball valve is installed is greatly reduced, and the use cost is reduced. The wear-resisting ring 12 is detachably mounted on the surface of the hemisphere 9, the wear-resisting ring 12 is in extrusion fit with the valve seat 11, and after the wear-resisting ring 12 is worn, only the wear-resisting ring 12 needs to be replaced, so that resources are saved, the investment cost is low, and the maintenance is very convenient.

Claims

1. The utility model provides an eccentric hemisphere valve of tee bend, includes valve body (1), and the top of valve body (1) is equipped with valve gap (28), is equipped with first runner (2), second runner (3) and third runner (27) in valve body (1), its characterized in that: the valve body is characterized by further comprising a first opening and closing mechanism (4) and a second opening and closing mechanism (5) which are used for opening and closing the first flow channel (2) and the second flow channel (3) respectively, wherein the first opening and closing mechanism (4) and the second opening and closing mechanism (5) are identical in structure, the first opening and closing mechanism (4) comprises a valve seat (11) arranged on the inner wall of the first flow channel (2), a hemispheroid (9) which is arranged in the first flow channel (2) and matched with the valve seat (11), a valve rod (8) penetrating through the valve body (1) and a valve cover (28), a hand wheel (6) arranged outside the valve body (1) and a transmission case (7); the input of transmission case (7) links to each other with hand wheel (6), and the output of transmission case (7) links to each other with valve rod (8), the bottom of valve body (1) is equipped with pivot (10), and the top and valve rod (8) of hemisphere (9) rotate to be connected, and the bottom and pivot (10) of hemisphere (9) rotate to be connected, the surface detachable of hemisphere (9) is connected with wear-resisting ring (12), and when hemisphere (9) were closed, wear-resisting ring (12) and disk seat (11) extrusion fit.

2. The three-way eccentric half ball valve according to claim 1, wherein: the surface of the hemisphere (9) is provided with an annular groove (16), and the wear-resistant ring (12) is embedded in the annular groove (16) and fixed through a locking screw (18).

3. The three-way eccentric half ball valve according to claim 2, wherein: a rubber pad (17) is arranged between the annular groove (16) and the wear-resistant ring (12).

4. The three-way eccentric half ball valve according to claim 1, wherein: the wear-resistant ring (12) is made of high-manganese wear-resistant steel.

5. The three-way eccentric half ball valve according to claim 1, wherein: a first sealing ring (13) is arranged between the valve rod (8) and the valve body (1), and a second sealing ring (14) is arranged between the rotating shaft (10) and the valve body (1).

6. The three-way eccentric half ball valve according to claim 1, wherein: a water flow direction mechanism (15) is arranged on the valve body (1), the water flow direction mechanism (15) comprises an L-shaped shaft (21), the L-shaped shaft (21) comprises a transverse shaft (19) and a longitudinal shaft (20) which are vertically arranged, the transverse shaft (19) can rotatably penetrate through the valve body (1) and is limited by a limiting ring (24), and the outer end of the transverse shaft (19) is connected with a pointer (23); the longitudinal shaft (20) is arranged in the valve body (1) and is in threaded connection with a water-meeting plate (22); the outer surface of the valve body (1) is provided with a transparent isolation cover (25), and the transparent isolation cover (25) is fixed on the valve body (1) through screws.

7. The three-way eccentric half ball valve according to claim 6, wherein: and a sealing gasket (26) is clamped between the transparent isolating cover (25) and the valve body (1).