CN216242476U - Low-temperature three-way ball valve with multi-azimuth switching function - Google Patents
Low-temperature three-way ball valve with multi-azimuth switching function Download PDFInfo
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- CN216242476U CN216242476U CN202122968924.9U CN202122968924U CN216242476U CN 216242476 U CN216242476 U CN 216242476U CN 202122968924 U CN202122968924 U CN 202122968924U CN 216242476 U CN216242476 U CN 216242476U
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Abstract
The utility model provides a low-temperature three-way ball valve with a multi-direction switching function, which comprises a valve body, a ball valve and a valve rod, wherein the valve body is provided with a plurality of ball holes; the ball valve is a sphere with a hole, one end of the valve rod is connected with the ball valve, and the valve rod is used for driving the ball valve to rotate by taking the central line of the valve body as an axis; the inside passageway that is three T types and arranges that is equipped with of valve body is two exit channel and an inlet channel respectively, inlet channel's tip is equipped with the import and takes over, two the exit channel symmetry is located the both sides of valve body, every two export takeovers are connected respectively to exit channel's tip, and one of them export takeover through adjustable direction's return bend subassembly connect in exit channel's tip. The low-temperature three-way ball valve can facilitate multi-angle dead-angle-free switching of the fluid outlet, thereby realizing the multi-direction switching function, and has the characteristics of large flow capacity, small pressure loss, high switching efficiency and the like.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to a low-temperature three-way ball valve with a multi-direction switching function.
Background
The three-way ball valve is widely applied in the field of industrial automatic low-temperature fluid, however, the current three-way ball valve in China is mature, convenient to operate and quick to open and close, but is single in the design of an outlet switching structure.
As the technology of the three-way ball valve is more and more applied to various industries, new products of the three-way ball valve which are suitable for market requirements are developed slowly along with the continuous improvement of the performance of the original traditional three-way ball valve. The three-way ball valve commonly used at present generally has the defects of single fluid outlet switching method, rigid flow channel and the like, so that the existing three-way ball valve can not meet the performance requirements of the market on the three-way ball valve. Therefore, there is a need to provide a new low temperature three-way ball valve to solve the above problems.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a low-temperature three-way ball valve with a multi-direction switching function, which can facilitate the multi-angle and dead-angle-free switching of a fluid outlet, thereby realizing the multi-direction switching function and having the characteristics of large flow capacity, small pressure loss, high switching efficiency and the like.
According to one aspect of the utility model, a low-temperature three-way ball valve with a multi-direction switching function is provided, which comprises a valve body, a ball valve and a valve rod; the ball valve is a sphere with a hole, one end of the valve rod is connected with the ball valve, and the valve rod is used for driving the ball valve to rotate by taking the central line of the valve body as an axis; the inside passageway that is three T types and arranges that is equipped with of valve body is two exit channel and an inlet channel respectively, inlet channel's tip is equipped with the import and takes over, two the exit channel symmetry is located the both sides of valve body, every two export takeovers are connected respectively to exit channel's tip, and one of them export takeover through adjustable direction's return bend subassembly connect in exit channel's tip.
Preferably, the elbow assembly comprises an elbow and a connecting piece, one end of the elbow is fixedly connected with the end part of the outlet channel, and the other end of the elbow is fixedly connected with the outlet connecting pipe through the connecting piece.
Preferably, a valve seat is arranged inside the valve body, a spherical sealing seat is arranged between the ball valve and the valve seat, and the spherical sealing seat is made of polytetrafluoroethylene and graphite composite materials.
Preferably, a valve body sealing gasket is arranged between the valve seat and the valve body.
Preferably, both ends of the valve body are provided with valve side covers for closing the valve body, the valve body adopts an austenitic stainless steel CF8 valve body, and the valve side covers adopt an austenitic stainless steel CF8 valve cover.
Preferably, an outlet sealing gasket is arranged between the outlet connecting pipe and the outlet channel.
Preferably, an inlet sealing gasket is arranged between the inlet connecting pipe and the inlet channel.
Preferably, still include hand (hold) and hand (hold) axle, the hand (hold) with the one end fixed connection of hand (hold) axle, the hand (hold) is used for driving the hand (hold) axle is rotatory, the other end of hand (hold) axle with valve rod fixed connection.
Preferably, an in-shaft sealing gasket is arranged at the joint of the handle shaft and the valve rod.
Preferably, the valve stem, the ball valve and the handle shaft are all made of austenitic stainless steel OCr18Ni 9.
Compared with the prior art, the utility model has the following beneficial effects:
the low-temperature three-way ball valve can realize multi-angle dead-angle-free switching of the fluid outlet, can better achieve the aim of multi-directional outlet switching, improves switching efficiency, and has the characteristics of large flow capacity, small pressure loss, high switching efficiency and the like, so that the low-temperature three-way ball valve is safer, more stable and more reliable to use, has diversity in product application, and is favorable for expanding the application range of products.
Drawings
Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic cross-sectional view of a cryogenic three-way ball valve according to an embodiment of the utility model;
FIG. 2 is another schematic cross-sectional view of a cryogenic three-way ball valve according to an embodiment of the utility model;
in the figure: 1 is the export nut, 2 is first export takeover, 3 is the return bend subassembly, 4 is the valve side lid, 5 the second is the export takeover, 6 is the export sealed pad, 7 is the ball valve, 8 is spherical seal seat, 9 is the valve body sealed pad, 10 is the import nut, 11 is the import sealed pad, 12 is the import takeover, 13 is the valve body, 14 is hexagon socket head cap screw, 15 is the bullet pad, 16 is the hand (hold), 17 is the hexagon nut, 18 is the flat pad, 19 is the hand (hold) axle, 20 is seal nut, 21 is two V sealing washers, 22 is single V sealing washer, 23 is the axle internal seal pad.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the utility model, but are not intended to limit the utility model in any way. It should be noted that variations and modifications can be made by persons skilled in the art without departing from the spirit of the utility model. All falling within the scope of the present invention.
The embodiment provides a low-temperature three-way ball valve with multi-directional switching function, and referring to fig. 1-2, the low-temperature three-way ball valve comprises a valve body 13, a ball valve 7 and a valve rod; the ball valve 7 is a sphere with a hole, one end of a valve rod is connected with the ball valve 7, and the valve rod is used for driving the ball valve 7 to rotate by taking the central line of the valve body 13 as an axis; three channels which are arranged in a T shape are arranged inside the valve body 13, namely two outlet channels and one inlet channel, an inlet connecting pipe 12 is arranged at the end part of the inlet channel, the direction of an arrow in fig. 1 shows the flow direction of a fluid medium, the two outlet channels are symmetrically arranged at two sides of the valve body 13, the end part of each outlet channel is respectively connected with the two outlet connecting pipes, and one of the outlet connecting pipes is connected with the end part of the outlet channel through a direction-adjustable bent pipe assembly 3.
The working process of the low-temperature three-way ball valve in the embodiment is as follows: the ball valve is driven by the valve rod and rotates around the valve body central line to control the closing or opening of the pipeline fluid, and the valve is converted from three-way to two-way only by rotating the valve rod by 90 degrees. With continued reference to fig. 1, the valve has four outlets from left to right, namely a first outlet, a second outlet, a third outlet and a fourth outlet, and the valve rod is positioned to communicate the third outlet and the fourth outlet; after the valve rod rotates by 90 degrees, the three-way valve can be realized, the first outlet and the second outlet are respectively communicated, and at the moment, the four outlets of the valve are communicated, so that the multi-angle dead-angle-free switching of the fluid outlet is realized, and the purpose of multi-directional outlet switching can be better achieved.
The low temperature tee bend ball valve of this embodiment, two export takeovers through every outlet channel connects, one of them export is taken over the return bend subassembly that passes through adjustable direction and is connected in outlet channel's tip, can be under ultra-low temperature fluid medium, realize the no dead angle switching of fluid outlet multi-angle, can reach diversified export switching purpose better, and improve switching efficiency, it is big to have a circulation ability, the pressure loss is little, characteristics such as switching efficiency height, thereby make the use of this low temperature tee bend ball valve safer, stable, reliable, the application of product has the variety, be favorable to enlarging the range of application of product.
In a specific embodiment, the elbow assembly 3 comprises an elbow and a connector, one end of the elbow is fixedly connected with the end of the outlet channel, and the other end of the elbow is fixedly connected with the outlet connection pipe through the connector. It is understood that in practical applications, a person skilled in the art can set the direction of the elbow according to specific situations to achieve the corresponding outlet switching purpose. Specifically, as shown in fig. 1, a first outlet connection pipe 5 and a second outlet connection pipe 2 are respectively connected to an outlet channel on the left side of the valve body 13, wherein the first outlet connection pipe 5 is perpendicular to the outlet channel, the second outlet connection pipe 2 is connected to the other end of the elbow pipe through a connecting piece, an outlet end of the second outlet connection pipe 2 is provided with an outlet nut 1, the outlet nut 1 is a quick coupling nut, and the second outlet connection pipe 2 can be directly screwed with a required outer pipe and an outer pipe sealing gasket through the outlet nut 1.
In a specific embodiment, the valve seat is arranged inside the valve body 13, the spherical sealing seat 8 is arranged between the ball valve 7 and the valve seat, the spherical sealing seat 8 is made of polytetrafluoroethylene and graphite composite material, the material has enough tensile strength and compressive strength, and has good self-lubricating property, plasticity and corrosion resistance, excellent sealing performance and overlong service life, and during use, the ball valve can ensure good sealing only by slightly pressing the spherical sealing seat.
In a specific embodiment, a valve body sealing gasket 9 is arranged between the valve seat and the valve body 13 to ensure the tightness between the valve seat and the valve body, and the valve body sealing gasket 9 can be a polytetrafluoroethylene sealing gasket.
In a specific embodiment, both ends of the valve body 13 are provided with valve side covers 4 for closing the valve body 13, the valve body 13 is an austenitic stainless steel CF8 valve body, and the valve side covers 4 are austenitic stainless steel CF8 valve covers, so that the valve can normally operate under an ultralow temperature liquid medium.
In a specific embodiment, an outlet gasket 6 is arranged between the outlet connecting pipe and the outlet channel to ensure the tightness between the outlet connecting pipe and the outlet channel, and the outlet gasket 6 can be a polytetrafluoroethylene gasket.
In a specific embodiment, an inlet gasket 11 is disposed between the inlet connection tube 12 and the inlet channel to ensure the tightness therebetween, and the inlet connection tube 12 and the inlet gasket 11 are screwed by the inlet nut 10 to achieve a sealing connection.
In a specific embodiment, the cryogenic valve further comprises a handle 16 and a handle shaft 19, the handle 16 is fixedly connected to one end of the handle shaft 19, the handle 16 is used for driving the handle shaft 19 to rotate, and the other end of the handle shaft 19 is fixedly connected to the valve stem. Specifically, the handle 16 is perpendicular to the handle shaft 19, the handle 16 and the handle shaft 19 are fixedly connected at the end of the handle shaft 19 through a hexagonal nut 17, and a flat pad 18 is arranged between the hexagonal nut 17 and the handle 16.
In one embodiment, an in-shaft seal 23 is provided at the joint of the handle shaft 19 and the valve stem to ensure the tightness of the joint therebetween, and the in-shaft seal 23 may be a teflon seal.
In one embodiment, the handle shaft 19 is further sleeved with a double V-ring 21 and a single V-ring 22, and the sealing nut 20 functions as a sealing gland.
In a specific embodiment, the valve further comprises an elastic pad 15 and an inner hexagon screw 14, and the valve side covers on the left side and the right side are connected with the valve body through the elastic pad 15 and the inner hexagon screw 14 respectively.
In one embodiment, the valve stem, the ball valve 7 and the handle shaft are all made of austenitic stainless steel OCr18Ni9, and the sealing gasket between the valve components of the cryogenic valve is made of polytetrafluoroethylene sealing gasket, so that the valve can normally work under the ultralow temperature liquid medium.
The above embodiment of the utility model has the following beneficial effects: the low temperature tee bend ball valve of this embodiment can realize that the fluid outlet multi-angle does not have the dead angle switching, can reach diversified export switching purpose better to improve switching efficiency, have that the circulation is big, the pressure loss is little, characteristics such as switching efficiency height, thereby make the use of this low temperature tee bend ball valve safer, stable, reliable, the application of product has the variety, is favorable to enlarging the range of application of product. In addition, low temperature tee bend ball valve in this embodiment still has simple structure, little, inseparable reliable, the leakproofness good, convenient operation, the advantage such as switching is rapid of fluid resistance: the ball valve has a simple structure, the sealing ring is movable generally, and the ball valve is convenient to disassemble and replace and maintain; when the valve is fully opened or closed, the sealing surfaces of the ball valve and the valve seat are isolated from the medium, and the corrosion of the sealing surface of the valve can not be caused when the medium passes through the sealing surfaces.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the utility model.
Claims (10)
1. A low-temperature three-way ball valve with a multi-azimuth switching function is characterized by comprising a valve body, a ball valve and a valve rod; the ball valve is a sphere with a hole, one end of the valve rod is connected with the ball valve, and the valve rod is used for driving the ball valve to rotate by taking the central line of the valve body as an axis;
the inside passageway that is three T types and arranges that is equipped with of valve body is two exit channel and an inlet channel respectively, inlet channel's tip is equipped with the import and takes over, two the exit channel symmetry is located the both sides of valve body, every two export takeovers are connected respectively to exit channel's tip, and one of them export takeover through adjustable direction's return bend subassembly connect in exit channel's tip.
2. The low-temperature three-way ball valve with the multi-directional switching function according to claim 1, wherein the elbow assembly comprises an elbow and a connecting piece, one end of the elbow is fixedly connected with the end of the outlet channel, and the other end of the elbow is fixedly connected with the outlet connecting pipe through the connecting piece.
3. The low-temperature three-way ball valve with the multi-azimuth switching function according to claim 1, wherein a valve seat is arranged inside the valve body, and a spherical sealing seat is arranged between the ball valve and the valve seat, and the spherical sealing seat is made of a polytetrafluoroethylene and graphite composite material.
4. The low-temperature three-way ball valve with the multi-azimuth switching function according to claim 3, wherein a valve body sealing gasket is arranged between the valve seat and the valve body.
5. The low-temperature three-way ball valve with the multi-azimuth switching function according to claim 1, wherein the valve body is provided with valve side covers at two ends for closing the valve body, the valve body is an austenitic stainless steel CF8 valve body, and the valve side covers are austenitic stainless steel CF8 valve covers.
6. The cryogenic three-way ball valve with multi-directional switching function according to claim 1, wherein an outlet gasket is arranged between the outlet connection pipe and the outlet channel.
7. The low-temperature three-way ball valve with the multi-azimuth switching function according to claim 1, wherein an inlet gasket is arranged between the inlet connecting pipe and the inlet channel.
8. The low-temperature three-way ball valve with the multi-directional switching function according to claim 1, further comprising a handle and a handle shaft, wherein the handle is fixedly connected with one end of the handle shaft, the handle is used for driving the handle shaft to rotate, and the other end of the handle shaft is fixedly connected with the valve rod.
9. The low-temperature three-way ball valve with the multi-azimuth switching function according to claim 8, wherein an in-shaft sealing gasket is arranged at the joint of the handle shaft and the valve rod.
10. The cryogenic three-way ball valve with multi-directional switching function according to claim 8, wherein the valve stem, the ball valve and the handle shaft are all made of austenitic stainless steel OCr18Ni 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122968924.9U CN216242476U (en) | 2021-11-30 | 2021-11-30 | Low-temperature three-way ball valve with multi-azimuth switching function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122968924.9U CN216242476U (en) | 2021-11-30 | 2021-11-30 | Low-temperature three-way ball valve with multi-azimuth switching function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216242476U true CN216242476U (en) | 2022-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122968924.9U Active CN216242476U (en) | 2021-11-30 | 2021-11-30 | Low-temperature three-way ball valve with multi-azimuth switching function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216242476U (en) |
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2021
- 2021-11-30 CN CN202122968924.9U patent/CN216242476U/en active Active
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