CN211649157U - Wear-resistant reversing valve - Google Patents
Wear-resistant reversing valve Download PDFInfo
- Publication number
- CN211649157U CN211649157U CN201922399211.8U CN201922399211U CN211649157U CN 211649157 U CN211649157 U CN 211649157U CN 201922399211 U CN201922399211 U CN 201922399211U CN 211649157 U CN211649157 U CN 211649157U
- Authority
- CN
- China
- Prior art keywords
- valve
- arc
- shaped channel
- shaped
- shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Multiple-Way Valves (AREA)
- Sliding Valves (AREA)
Abstract
A wear resistant reversing valve comprising: the valve body is internally provided with a cylindrical inner cavity and three arc-shaped channels, the flange openings of the first arc-shaped channel and the second arc-shaped channel are the same central line, and the central line of the third arc-shaped channel forms an included angle with the central lines of the first arc-shaped channel and the second arc-shaped channel; the valve core is a cylinder and is internally provided with a radial through channel; the valve cover is fixed on two sides of the valve body through bolts, an O-shaped ring is arranged between the valve cover and the valve body, and a shaft hole is formed in the center of the valve cover; the valve shaft is fixed on two sides of the valve core through bolts and is arranged in a shaft hole in the center of the valve cover in a penetrating manner through a rolling bearing, and a sealing structure is also arranged between the valve shaft and the valve cover in the shaft hole; and a gasket is arranged between the valve shaft and the valve cover. The utility model discloses wear-resisting switching-over valve has good wearability, and moreover, the switching-over location is accurate, and the switching-over is more nimble.
Description
Technical Field
The utility model relates to a switching-over valve, in particular to a wear-resisting switching-over valve for distributing granule material direction of delivery.
Background
In many industries such as petroleum, chemical industry, medicine, grain, in the process of preparing granular materials, the prepared granular materials are generally required to be conveyed to more than two different positions, and the hardness of the granular materials of a conveying system under some working conditions is higher, so that higher requirements are provided for a channel of equipment for conveying the granular materials.
The reversing valve is a valve which is completely communicated with a pipeline, and mainly has the advantages that the flow direction of materials is switched, the application is wide, certain abrasion is generated on equipment of the pipeline due to high hardness of particle materials in a conveying system, the equipment is easy to damage, the service life of the equipment is short, the replacement is frequent, and the economic efficiency is influenced.
Disclosure of Invention
An object of the utility model is to provide a wear-resisting switching-over valve has good wearability, can satisfy the transport of the higher granule material of hardness, and moreover, the switching-over location is accurate, and the switching-over is more nimble.
In order to achieve the above purpose, the technical scheme of the utility model is that:
a wear resistant reversing valve, comprising: the valve body is internally provided with a cylindrical inner cavity and three arc-shaped channels, the three arc-shaped channels are communicated with the cylindrical inner cavity, the flange openings of the first arc-shaped channel and the second arc-shaped channel are the same central line, the central line of the third arc-shaped channel forms an included angle with the central lines of the first arc-shaped channel and the second arc-shaped channel, and the first arc-shaped channel, the second arc-shaped channel and the third arc-shaped channel are lined with stainless steel or high-strength steel pipes; the valve core is a cylinder, a radial through channel is arranged in the valve core, the channel is lined with stainless steel or a high-strength steel pipe, sealing grooves are respectively arranged on the outer walls of two ports of the valve core channel along the circumferential direction, sealing rings are respectively arranged in the two sealing grooves, the valve core with the assembled sealing rings is arranged in the cylindrical inner cavity of the valve body, and the sealing rings are in interference extrusion sealing with the wall of the cylindrical inner cavity of the valve body; the valve cover is fixed on two sides of the valve body through bolts, an O-shaped ring is arranged between the valve cover and the valve body, and a shaft hole is formed in the center of the valve cover; the valve shaft is fixed on two sides of the valve core through bolts and is arranged in a shaft hole in the center of the valve cover in a penetrating manner through a rolling bearing, and a sealing structure is also arranged between the valve shaft and the valve cover in the shaft hole; and a gasket is arranged between the valve shaft and the valve cover.
Preferably, the included angle between the center line of the third arc-shaped channel and the center lines of the first and second arc-shaped channels is 45-90 degrees.
Preferably, a boss is arranged below the flange circle of the valve shaft, and a counter bore matched with the boss is arranged in the middle of the outer wall of the valve core.
Preferably, the gasket is a teflon gasket or a copper gasket.
Preferably, the sealing structure is a rotary shaft lip seal.
Preferably, the valve body is cast aluminum or an iron casting, and shot peening treatment is performed on the inner surface of the stainless steel or high-strength steel pipe.
The utility model has the advantages that:
the operating mode that hardness of the particulate material is high, the valve body is the interior bushing pipe stainless steel of cast aluminium/cast iron/high-strength steel, shot peening processing is done to stainless steel or high-strength steel pipe internal surface, makes the switching-over valve have good wear resistance.
The utility model discloses an arc passageway design can make the switching-over passageway switch the location more accurate.
Be provided with the packing ring in the middle of valve shaft and the valve gap, increase lubricated and adjustment space, set up rotation axis lip seal in the middle of valve shaft and the valve gap, set up antifriction bearing in the middle of valve shaft and the valve gap, reversing torque is little, can be applicable to pneumatic, electronic or manual switching-over control, also makes the switching-over more nimble.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic straight-through view of a reversing valve according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a bypass of a reversing valve according to an embodiment of the present invention.
Detailed Description
Referring to fig. 1-3, the wear-resistant reversing valve of the present invention comprises:
the valve comprises a valve body 1, a first arc-shaped channel, a second arc-shaped channel, a third arc-shaped channel and a fourth arc-shaped channel, wherein a cylindrical inner cavity and three arc-shaped channels are arranged in the valve body 1, the three arc-shaped channels are communicated with the cylindrical inner cavity, flange openings of the first arc-shaped channel 101 and the second arc-shaped channel 102 are the same central line, an included angle is formed between the central line of the third arc-shaped channel 103 and the central lines of the first arc-shaped channel 101 and the second arc-shaped channel 102, and stainless;
the valve core 2 is a cylinder, a radial through channel 201 is arranged in the valve core 2, stainless steel or a high-strength steel pipe is lined in the channel, sealing grooves 21 and 21 ' are respectively arranged on the outer walls of two ports of the channel of the valve core 2 along the circumferential direction, sealing rings 3 and 3 ' are respectively arranged in the two sealing grooves 21 and 21 ', the valve core 2 with the sealing rings 3 and 3 ' assembled is arranged in the cylindrical inner cavity of the valve body 1, and the sealing rings 3 and 3 ' are in interference extrusion sealing with the wall of the cylindrical inner cavity of the valve body 1;
the valve covers 4 and 4 ' are fixed on two sides of the valve body 1 through bolts, O-shaped rings 9 and 9 ' are arranged between the valve covers 4 and 4 ' and the valve body 1, and shaft holes 41 and 41 ' are arranged in the centers of the valve covers 4 and 4 ';
the valve shafts 6 and 6 'are fixed on two sides of the valve core 2 through bolts and are arranged in shaft holes 41 and 41' in the centers of the valve covers 4 and 4 'through rolling bearings 7 and 7', and sealing structures 8 and 8 'are arranged between the valve shafts 6 and 6' and the valve covers 4 and 4 'in the shaft holes 41 and 41'; the valve shafts 6, 6 ' and the valve caps 4, 4 ' are provided with gaskets 5, 5 ' in between.
Preferably, the included angle between the center line of the third arc-shaped channel and the center lines of the first and second arc-shaped channels is 45-90 degrees.
Preferably, a boss 61 is arranged below the flange circle of the valve shafts 6 and 6', and a counter bore 22 matched with the boss 61 is arranged in the middle of the outer wall of the valve core 2.
Preferably, the gasket 5, 5' is a teflon gasket or a copper gasket.
Preferably, the sealing structure 8, 8' is a rotary shaft lip seal.
Preferably, the valve body 1 is cast aluminum or an iron casting, and the inner surface of the stainless steel or high-strength steel pipe is subjected to shot peening treatment.
Claims (7)
1. A wear-resistant reversing valve, characterized in that: the method comprises the following steps:
the valve body is internally provided with a cylindrical inner cavity and three arc-shaped channels, the three arc-shaped channels are communicated with the cylindrical inner cavity, the flange openings of the first arc-shaped channel and the second arc-shaped channel are the same central line, the central line of the third arc-shaped channel forms an included angle with the central lines of the first arc-shaped channel and the second arc-shaped channel, and the first arc-shaped channel, the second arc-shaped channel and the third arc-shaped channel are lined with stainless steel or high-strength steel pipes;
the valve core is a cylinder, a radial through channel is arranged in the valve core, the channel is lined with stainless steel or a high-strength steel pipe, sealing grooves are respectively arranged on the outer walls of two ports of the valve core channel along the circumferential direction, sealing rings are respectively arranged in the two sealing grooves, the valve core with the assembled sealing rings is arranged in the cylindrical inner cavity of the valve body, and the sealing rings are in interference extrusion sealing with the wall of the cylindrical inner cavity of the valve body;
the valve cover is fixed on two sides of the valve body through bolts, an O-shaped ring is arranged between the valve cover and the valve body, and a shaft hole is formed in the center of the valve cover;
the valve shaft is fixed on two sides of the valve core through bolts and is arranged in a shaft hole in the center of the valve cover in a penetrating manner through a rolling bearing, and a sealing structure is also arranged between the valve shaft and the valve cover in the shaft hole; and a gasket is arranged between the valve shaft and the valve cover.
2. A wear resistant reversing valve according to claim 1, wherein: the included angle between the center line of the third arc-shaped channel and the center lines of the first and second arc-shaped channels is 45-90 degrees.
3. A wear resistant reversing valve according to claim 1, wherein: a boss is arranged below the flange circle of the valve shaft, and a counter bore matched with the boss is arranged in the middle of the outer wall of the valve core.
4. A wear resistant reversing valve according to claim 1, wherein: the gasket is a tetrafluoro gasket or a copper gasket.
5. A wear resistant reversing valve according to claim 1, wherein: the sealing structure is a lip-shaped sealing ring of the rotating shaft.
6. A wear resistant reversing valve according to claim 1, wherein: the valve body is cast aluminum or an iron casting.
7. A wear resistant reversing valve according to claim 1, wherein: and carrying out shot peening treatment on the inner surface of the stainless steel or high-strength steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922399211.8U CN211649157U (en) | 2019-12-27 | 2019-12-27 | Wear-resistant reversing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922399211.8U CN211649157U (en) | 2019-12-27 | 2019-12-27 | Wear-resistant reversing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211649157U true CN211649157U (en) | 2020-10-09 |
Family
ID=72699938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922399211.8U Active CN211649157U (en) | 2019-12-27 | 2019-12-27 | Wear-resistant reversing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211649157U (en) |
-
2019
- 2019-12-27 CN CN201922399211.8U patent/CN211649157U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8662551B2 (en) | Improvements relating to pump seal assemblies | |
| US2770475A (en) | Rotative swing joint coupling with replaceable bushing | |
| CN101676179A (en) | Rotary sealing feeding valve | |
| EP2331398A1 (en) | An adjustable propeller arrangement and a method of distributing fluid to and/or from such an adjustable propeller arrangement. | |
| CN211649157U (en) | Wear-resistant reversing valve | |
| CN207893297U (en) | A kind of coke-oven plant's flaker rotary joint | |
| CN210753281U (en) | Pressure medium operated ultrahigh pressure pipeline cleaning nozzle | |
| EP0178002A1 (en) | Centrifugal pump | |
| CN110848250B (en) | Joint bearing for main driving assembly of shield tunneling machine and checking method thereof | |
| CN201166156Y (en) | Two-way tee joint T powder body change valve | |
| US11104978B2 (en) | Alloy for seal ring, seal ring, and method of making seal ring for seal assembly of machine | |
| KR20180037458A (en) | A rotary joint | |
| CN220749376U (en) | High-strength light central swivel joint | |
| CN214064134U (en) | Rotary joint | |
| CN219712639U (en) | Hydraulic rotary oil way connecting device | |
| CN212672152U (en) | Low-torque hydraulic central swivel joint | |
| CN2573827Y (en) | Swivel joint | |
| CN203823296U (en) | High-pressure high-speed rotating joint | |
| CN208203286U (en) | Easy to wear section of cylinder rotating device of shield screw conveyor | |
| CN210566886U (en) | Two-phase flow sealing rotary seat | |
| CN218934425U (en) | New structure of fluid-connection rotary joint for cutter head of shield tunneling machine | |
| CN221003772U (en) | Sealing structure of positive pressure air shutoff device | |
| CN212121663U (en) | Metal powder ball mill | |
| CN116163661A (en) | Sliding bearing structure large-drift-diameter manifold movable joint | |
| CN205937284U (en) | Overcoat sectional type hydraulic pressure sliding ring structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201708, No. 1356, Xin Xie Road, Huaxin Town, Qingpu District, Shanghai Patentee after: Shanghai Bolong Equipment Technology Co., Ltd Address before: 201708, No. 1356, Xin Xie Road, Huaxin Town, Qingpu District, Shanghai Patentee before: SHANGHAI BLOOM POWDER ENGINEERING Inc. |