CN206468825U - A kind of Y-shaped cut-off valve - Google Patents
A kind of Y-shaped cut-off valve Download PDFInfo
- Publication number
- CN206468825U CN206468825U CN201720180027.2U CN201720180027U CN206468825U CN 206468825 U CN206468825 U CN 206468825U CN 201720180027 U CN201720180027 U CN 201720180027U CN 206468825 U CN206468825 U CN 206468825U
- Authority
- CN
- China
- Prior art keywords
- valve
- shaped cut
- bonnet
- main body
- valve plug
- Prior art date
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of Y-shaped cut-off valve of Y-shaped cut-off valve technical field, including Y-valve main body, the right hand top of the Y-valve main body is provided with bonnet, valve rod is plugged with the right side of the bonnet, and valve rod left end stretches into the inner chamber of Y-valve main body, the contact position bottom of the valve rod and bonnet is provided with filler, compared with existing Y-shaped cut-off valve, the utility model is improved the valve plug of Y-shaped cut-off valve, valve plug is improved and combined as three groups of structures by the utility model, and the bottom section body support section of valve plug is composite ceramics backing plate, composite ceramics has good wearability and corrosion resistance, the abrasion of valve plug can so be slowed down, and then the service life of valve plug can be improved, the bottom of composite ceramics backing plate is provided with rubber seal hemisphere, pass through using cooperatively for rubber seal hemisphere and composite ceramics backing plate, the sealing of valve plug can be improved.
Description
Technical field
The utility model is related to Y-shaped cut-off valve technical field, specially a kind of Y-shaped cut-off valve.
Background technology
Y-shaped cut-off valve is a kind of most popular valve, and why very popular it is, is due to sealing during opening and closing
Frictional force is small between face, relatively durable, and Lift is less, easy to manufacture, easy to maintenance, is applicable not only to mesolow, and
Suitable for high pressure.Its closure principle is, by valve stem pressure, valve clack sealing surface is brought into close contact with sealing surface of seat, prevents
Flow of media.Stop valve is only permitted medium one-way flow, directional during installation.The structure length of stop valve is more than gate valve, simultaneously
Fluid resistance is big, and during longtime running, sealing reliability is not strong, and common Y-shaped cut-off valve when in use, is sent out between valve plug and valve body
Raw friction, easily causes valve plug to be worn, and then causes the sealing reliability of Y-shaped cut-off valve to reduce, therefore, it is proposed that a kind of
Y-shaped cut-off valve.
Utility model content
The purpose of this utility model is to provide a kind of Y-shaped cut-off valve, common with solve to propose in above-mentioned background technology
Y-shaped cut-off valve when in use, rubbed between valve plug and valve body, easily cause valve plug to be worn, so cause Y types end
The problem of sealing reliability of valve is reduced.
To achieve the above object, the utility model provides following technical scheme：A kind of Y-shaped cut-off valve, including Y-valve master
Body, the right hand top of the Y-valve main body, which is provided with the right side of bonnet, the bonnet, is plugged with valve rod, and valve rod left end stretches into Y
The inner chamber of type valve body, the contact position bottom of the valve rod and bonnet is provided with filling block, and the right hand top of the filling block is set
Filler pressing sleeve is equipped with, and filling block and filler pressing sleeve are respectively positioned on the inner chamber of bonnet, the right hand top of the filler pressing sleeve is provided with
Hold-down grid, and hold-down grid is located at the right hand top of bonnet, the hold-down grid is socketed in the outer wall of valve rod, the valve rod
Right hand top is provided with handwheel, and one end left bottom that the valve rod stretches into Y-valve body lumen is provided with valve plug, the valve plug
Including composite ceramics backing plate, the bottom of the composite ceramics backing plate is provided with rubber seal hemisphere, the composite ceramics backing plate
Top, which is provided with the top of valve plug body, the left side wall of the valve plug, is provided with sealing support, and sealing support is located at Y-valve main body
Inner cavity top, the bottom of the valve plug is provided with flow blocking support, and flow blocking support is positioned at the intracavity bottom center of Y-valve main body
Place.
It is preferred that, the top of the flow blocking support is provided with the neck being engaged with valve plug.
It is preferred that, left bottom surface and sealing support right lateral surface and the composite ceramics backing plate of the composite ceramics backing plate
Left bottom surface and flow blocking support top card bottom surface it is parallel.
It is preferred that, the flow blocking support is herringbone.
Compared with prior art, the beneficial effects of the utility model are：Compared with existing Y-shaped cut-off valve, this practicality is new
Type is improved the valve plug of Y-shaped cut-off valve, and valve plug is improved and combined as three groups of structures by the utility model, and valve plug
Bottom section body support section be composite ceramics backing plate, composite ceramics has good wearability and corrosion resistance, so can be with
Slow down the abrasion of valve plug, and then the service life of valve plug can be improved, the bottom of composite ceramics backing plate is provided with rubber seal half
Ball, by using cooperatively for rubber seal hemisphere and composite ceramics backing plate, can improve the sealing of valve plug.
Brief description of the drawings
Fig. 1 is the utility model structural representation；
Fig. 2 is the utility model valve plug configurations schematic diagram.
In figure：1Y types valve body, 2 bonnets, 3 valve rods, 4 fillers, 5 condiment glands, 6 hold-down grids, 7 handwheels, 8 valve plugs, 81
Composite ceramics backing plate, 82 rubber seal hemisphere, 83 valve plug bodies, 9 sealing supports, the support of 10 flow blockings.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Fig. 1-2 is referred to, the utility model provides a kind of technical scheme：A kind of Y-shaped cut-off valve, including Y-valve main body 1, Y
The right hand top of type valve body 1 is provided with bonnet 2, and the right side of bonnet 2 is plugged with valve rod 3, and the left end of valve rod 3 stretches into Y-valve master
The inner chamber of body 1, the contact position bottom of valve rod 3 and bonnet 2 is provided with filling block 4, and the right hand top of filling block 4 is provided with filler pressure
Set 5, and filling block 4 and filler pressing sleeve 5 are respectively positioned on the inner chamber of bonnet 2, the right hand top of filler pressing sleeve 5 is provided with hold-down grid 6,
And hold-down grid 6 is located at the right hand top of bonnet 2, hold-down grid 6 is socketed in the outer wall of valve rod 3, and the right hand top of valve rod 3 is set
There is handwheel 7, one end left bottom that valve rod 3 stretches into the inner chamber of Y-valve main body 1 is provided with valve plug 8, and valve plug 8 includes composite ceramics pad
Plate 81, the bottom of composite ceramics backing plate 81 is provided with rubber seal hemisphere 82, and the top of composite ceramics backing plate 81 is provided with valve plug
Sealing support 9 is provided with the top of main body 83, the left side wall of valve plug 8, and sealing support 9 is located at the inner cavity top of Y-valve main body 1,
The bottom of valve plug 8 is provided with flow blocking support 10, and flow blocking support 10 is located at the intracavity bottom center of Y-valve main body 1.
Wherein, the top of flow blocking support 10 is provided with the neck being engaged with valve plug 8, the left side bottom of composite ceramics backing plate 81
Left bottom surface and flow blocking support 10 top card bottom lands of the portion surface with sealing 9 right lateral surfaces of support and composite ceramics backing plate 81
Portion surface is parallel, and the surface that both contact with each other is that parallel surface can improve composite ceramics backing plate 81 respectively with sealing support
9 and the stickiness of flow blocking support 10, and then improve the sealing reliability of valve plug 8, flow blocking support 10 is herringbone.
Operation principle：When in use, the sealing of bonnet 2 is to ensure bonnet 2 and Y to Y-shaped cut-off valve of the present utility model
Junction sealing between type valve body 1, and the collective effect of filling block 4, condiment gland 5 and hold-down grid 6 is to protect
The sealing between bonnet 2 and valve rod 3 is demonstrate,proved, valve plug 8 can be adjusted for valve rod 3 and using cooperatively for handwheel 7, and then reach
To the adjustment effect of the working condition of Y-shaped cut-off valve, the left bottom of valve plug 8 directly supports 10 phases with sealing support 9 and flow blocking
Place is met, contact position is easiest to abrasion when in use, and the bottom section body support section of valve plug 8 is composite ceramics backing plate 81, is combined
Ceramics have good wearability and corrosion resistance, can so slow down the abrasion of valve plug, and then can improve the use of valve plug 8
Life-span, the bottom of composite ceramics backing plate 81 is provided with rubber seal hemisphere 82, passes through rubber seal hemisphere 82 and composite ceramics pad
Using cooperatively for plate 81, can improve the sealing of valve plug 8.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out in the case where not departing from principle of the present utility model and spirit a variety of changes, repaiies
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of Y-shaped cut-off valve, including Y-valve main body (1), it is characterised in that：The right hand top of the Y-valve main body (1) is set
It is equipped with the right side of bonnet (2), the bonnet (2) and is plugged with valve rod (3), and valve rod (3) left end stretches into the interior of Y-valve main body (1)
Chamber, the valve rod (3) and the contact position bottom of bonnet (2) are provided with filling block (4), and the right hand top of the filling block (4) is set
Filler pressing sleeve (5) is equipped with, and filling block (4) and filler pressing sleeve (5) are respectively positioned on the inner chamber of bonnet (2), the filler pressing sleeve (5)
Right hand top is provided with hold-down grid (6), and hold-down grid (6) is located at the right hand top of bonnet (2), the hold-down grid (6)
The outer wall of valve rod (3) is socketed in, the right hand top of the valve rod (3) is provided with handwheel (7), and the valve rod (3) stretches into Y-valve master
One end left bottom of body (1) inner chamber is provided with valve plug (8), and the valve plug (8) includes composite ceramics backing plate (81), described compound
The bottom of ceramic backing (81) is provided with the top of rubber seal hemisphere (82), the composite ceramics backing plate (81) and is provided with valve plug
Sealing support (9) is provided with the top of main body (83), the left side wall of the valve plug (8), and sealing support (9) is located at Y-valve main body
(1) inner cavity top, the bottom of the valve plug (8) is provided with flow blocking support (10), and flow blocking support (10) is located at Y-valve main body
(1) intracavity bottom center.
2. a kind of Y-shaped cut-off valve according to claim 1, it is characterised in that：The top of the flow blocking support (10) is set
There is the neck being engaged with valve plug (8).
3. a kind of Y-shaped cut-off valve according to claim 1, it is characterised in that：The left side of the composite ceramics backing plate (81)
Lower surface and the left bottom surface and flow blocking support (10) top of sealing support (9) right lateral surface and composite ceramics backing plate (81)
Portion's neck lower surface is parallel.
4. a kind of Y-shaped cut-off valve according to claim 1, it is characterised in that：The flow blocking support (10) is herringbone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720180027.2U CN206468825U (en) | 2017-02-27 | 2017-02-27 | A kind of Y-shaped cut-off valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720180027.2U CN206468825U (en) | 2017-02-27 | 2017-02-27 | A kind of Y-shaped cut-off valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206468825U true CN206468825U (en) | 2017-09-05 |
Family
ID=59713126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720180027.2U Expired - Fee Related CN206468825U (en) | 2017-02-27 | 2017-02-27 | A kind of Y-shaped cut-off valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206468825U (en) |
-
2017
- 2017-02-27 CN CN201720180027.2U patent/CN206468825U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170905 Termination date: 20180227 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |