CN206860899U - Plunger stop valve - Google Patents
Plunger stop valve Download PDFInfo
- Publication number
- CN206860899U CN206860899U CN201720653504.2U CN201720653504U CN206860899U CN 206860899 U CN206860899 U CN 206860899U CN 201720653504 U CN201720653504 U CN 201720653504U CN 206860899 U CN206860899 U CN 206860899U
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- filler
- plunger
- hold
- contact
- down grid
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Abstract
The utility model discloses a kind of plunger stop valve, the lower end of valve component and plunger connects, plunger outer cover is provided with Packing seat, the first filler, the second filler, filler pressing sleeve and hold-down grid, the first filler, the second filler are provided between Packing seat and filler pressing sleeve, the upper surface of Packing seat is in contact with the lower surface of the first filler, the upper surface of first filler is in contact with the lower surface of the second filler, the upper surface of second filler is in contact with the lower surface of filler pressing sleeve, and the upper surface of filler pressing sleeve is in contact with the lower surface of hold-down grid；Hold-down grid side is provided with adjusting means, and stud passes through the through hole of hold-down grid and is fixed on by nut on hold-down grid, and disc spring set is provided between nut and hold-down grid, and disc spring set is set on stud, and disc spring set outer cover is provided with disc spring；The upper end of plunger and the lower end of valve rod are linked, and the utility model has good sealing property.
Description
Technical field
It the utility model is related to valve field, and in particular to a kind of plunger stop valve.
Background technology
Embolism formula stop valve belongs to forced seal formula valve, so when valve is closed, it is necessary to apply pressure to flap, with
Forced seal face does not leak, existing sealing surface structure, easily there is that the sealing property of sealing surface is not up to standard, the medium in valve body from
The gap outflow of sealing surface, sealing also have much room for improvement and improved.
The content of the invention
In order to solve the above problems, the utility model provides a kind of plunger stop valve.
The technical solution of the utility model is：The lower end connection of a kind of plunger stop valve, valve component and plunger, plunger
Outer cover is provided with Packing seat, the first filler, the second filler, filler pressing sleeve and hold-down grid, is set between Packing seat and filler pressing sleeve
The first filler, the second filler are equipped with, the upper surface of Packing seat is in contact with the lower surface of the first filler, the upper surface of the first filler
It is in contact with the lower surface of the second filler, the upper surface of the second filler is in contact with the lower surface of filler pressing sleeve, filler pressing sleeve
Upper surface is in contact with the lower surface of hold-down grid；Hold-down grid side is provided with adjusting means, and adjusting means includes stud, spiral shell
Mother, disc spring set, disc spring, stud pass through the through hole of hold-down grid and are fixed on by nut on hold-down grid, nut and hold-down grid
Between be provided with disc spring set, disc spring set is set on stud, disc spring set outer cover be provided with disc spring；Under the upper end and valve rod of plunger
End is linked.
Further, valve stem nut is set between the valve rod and plunger, valve stem nut is connected with threaded stem.
Further, pointer is horizontally arranged between the upper surface of the valve stem nut and plunger, pointer is with being vertically arranged
Support column be in contact.
Further, the bottom of the support column is connected with plunger, and the upper end of support column is fixedly connected with support plate,
Support plate is set in the outside of valve rod and is connected with valve rod by bearing.
Further, lubricating cup is horizontally arranged with the support plate, the end of lubricating cup is in contact with bearing.
Further, the upper end of the valve rod is connected with gear-box and rotated by gear-box driving stem.
Further, first filler is graphite material, and the second filler is polytetrafluoroethylmaterial material.
The beneficial effects of the utility model are：Adjusting means, adjusting means are provided with hold-down grid of the present utility model
Hold-down grid can be adjusted automatically according to operating pressure, improve the sealing of stop valve.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and examples.
Fig. 1 is structural representation of the present utility model.
Embodiment
Specific embodiment of the present utility model is described further below in conjunction with the accompanying drawings, the present embodiment is not formed to this
The limitation of utility model.
As shown in figure 1, a kind of plunger stop valve, including valve component 1, plunger 2, Packing seat 3, the first filler 4, second
Filler 5, filler pressing sleeve 6, hold-down grid 7, stud 8, nut 9, disc spring set 10, disc spring 11, valve rod 12, valve stem nut 13, screw
14th, pointer 15, support column 16, support plate 17, bearing 18, lubricating cup 19, gear-box 20.
Valve component 1 is connected with the lower end of plunger 2, and the outer cover of plunger 2 is provided with Packing seat 3, the first filler 4, the second filler
5th, filler pressing sleeve 6 and hold-down grid 7, the upper surface of Packing seat 3 are in contact with the lower surface of the first filler 4, the first filler 4 it is upper
End face is in contact with the lower surface of the second filler 5, and the upper surface of the second filler 5 is in contact with the lower surface of filler pressing sleeve 6, filler
The upper surface of gland 6 is in contact with the lower surface of hold-down grid 7.
The side of hold-down grid 7 is provided with adjusting means, and adjusting means includes stud 8, nut 9, disc spring set 10, disc spring 11.
Stud 8 passes through the through hole of hold-down grid 7 and is fixed on by nut 9 on hold-down grid 7, is provided between nut 9 and hold-down grid 7
Disc spring set 10, disc spring set 10 are set on stud 8, and disc spring covers 10 outer covers and is provided with disc spring 11, and adjusting means is used to adjust filler
Interaction force between pad 3 and hold-down grid 7.Packing seat 3 compresses the first filler 4 and second with the interaction of hold-down grid 7
Filler 5, the combination of two kinds of fillers add the sealing property of valve body, and the first filler 4 is graphite material, and the second filler 5 is poly- four
Fluoride material.
The upper end of plunger 2 and the lower end of valve rod 12 are linked, and valve stem nut 13 is arranged between valve rod 12 and plunger 2 simultaneously
It is threadedly coupled with valve rod 12, screw 14 connects valve stem nut 13 and plunger 2.It is horizontal between the upper surface of valve stem nut 13 and plunger 2
To pointer 15 is provided with, for detecting the operating air pressure and operating mode of stop valve, pointer 15 connects with the support column 16 being vertically arranged
Touch, the bottom of support column 16 is connected with plunger 2, and the upper end of support column 16 is fixedly connected with support plate 17,17 sets of support plate
It is located at the outside of valve rod 12 and is connected with valve rod 12 by bearing 18.Lubricating cup 19 is horizontally arranged with support plate 17, lubricating cup 19
End is in contact with bearing 18, plays lubrication.
The upper end of valve rod 12 is connected with gear-box 20, by the rotation of the driving stem 12 of gear-box 20, and then drives plunger 2
Lifting.
It is described above, only it is preferred embodiment of the present utility model, is not used in limitation the utility model, this area skill
Art personnel can make various modifications or equivalent substitution to the utility model in essence of the present utility model and protection domain,
This modification or equivalent substitution also should be regarded as in the protection domain of technical solutions of the utility model.
Claims (7)
- A kind of 1. plunger stop valve, it is characterised in that：The lower end of valve component and plunger connects, and plunger outer cover is provided with filler Pad, the first filler, the second filler, filler pressing sleeve and hold-down grid, the first filler, are provided between Packing seat and filler pressing sleeve Two fillers, the upper surface of Packing seat are in contact with the lower surface of the first filler, under the upper surface of the first filler and the second filler End face is in contact, and the upper surface of the second filler is in contact with the lower surface of filler pressing sleeve, upper surface and the filler pressure of filler pressing sleeve The lower surface of plate is in contact；Hold-down grid side is provided with adjusting means, and adjusting means includes stud, nut, disc spring set, dish Spring, stud pass through the through hole of hold-down grid and are fixed on by nut on hold-down grid, and dish is provided between nut and hold-down grid Spring set, disc spring set are set on stud, and disc spring set outer cover is provided with disc spring；The upper end of plunger and the lower end of valve rod are linked.
- 2. plunger stop valve according to claim 1, it is characterised in that：Valve rod spiral shell is set between the valve rod and plunger Mother, valve stem nut are connected with threaded stem.
- 3. plunger stop valve according to claim 2, it is characterised in that：The upper surface of the valve stem nut and plunger it Between be horizontally arranged with pointer, pointer is in contact with the support column being vertically arranged.
- 4. plunger stop valve according to claim 3, it is characterised in that：The bottom of the support column connects with plunger Connect, the upper end of support column is fixedly connected with support plate, and support plate is set in the outside of valve rod and is connected with valve rod by bearing.
- 5. plunger stop valve according to claim 4, it is characterised in that：Lubricating cup is horizontally arranged with the support plate, The end of lubricating cup is in contact with bearing.
- 6. plunger stop valve according to claim 1, it is characterised in that：The upper end of the valve rod is connected simultaneously with gear-box Rotated by gear-box driving stem.
- 7. plunger stop valve according to claim 1, it is characterised in that：First filler is graphite material, second Filler is polytetrafluoroethylmaterial material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720653504.2U CN206860899U (en) | 2017-06-07 | 2017-06-07 | Plunger stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720653504.2U CN206860899U (en) | 2017-06-07 | 2017-06-07 | Plunger stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206860899U true CN206860899U (en) | 2018-01-09 |
Family
ID=60831090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720653504.2U Active CN206860899U (en) | 2017-06-07 | 2017-06-07 | Plunger stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206860899U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113374875A (en) * | 2021-08-16 | 2021-09-10 | 上海阀门厂股份有限公司 | Stop valve suitable for high-temperature and high-pressure working condition |
-
2017
- 2017-06-07 CN CN201720653504.2U patent/CN206860899U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113374875A (en) * | 2021-08-16 | 2021-09-10 | 上海阀门厂股份有限公司 | Stop valve suitable for high-temperature and high-pressure working condition |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |