CN206130160U - Stop valve - Google Patents
Stop valve Download PDFInfo
- Publication number
- CN206130160U CN206130160U CN201620636884.4U CN201620636884U CN206130160U CN 206130160 U CN206130160 U CN 206130160U CN 201620636884 U CN201620636884 U CN 201620636884U CN 206130160 U CN206130160 U CN 206130160U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve rod
- stop
- gap
- valve gap
- 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.)
- Expired - Fee Related
Links
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- Lift Valve (AREA)
Abstract
The utility model relates to a stop valve, which comprises the following components: a valve body, valve gap and valve rod, be equipped with the cross inner chamber in the valve body, the horizontal fluid passage that is of cross inner chamber, vertical valve rod installation space that is, valve rod installation space opens for the upper end, lower extreme confined structure, the valve gap is with detachable mode fixed connection in valve rod installation space upper end, the setting that longitudinally slidable is followed to the valve rod is in valve rod installation space, the valve rod lower extreme is equipped with by the portion, by the portion including being used for with valve rod installation space sealing connection's seal section and crossing the discharge orifice along transversely locate the seal section on, the valve rod upper end is passed the passageway that is equipped with and is stretched out outside the valve gap in the valve gap, be connected with turning handle, end screw thread connection on valve rod upper end and the valve gap passageway, be provided with in the valve gap passageway and be used for the stop collar spacing to the valve rod. The utility model discloses simple structure realizes opening or closing of stop valve through set up the portion of ending on the valve rod, can prolong the life of valve rod, reduces use cost, and is sealed effectual, convenient to use.
Description
Technical field
This utility model is related to valve field, more particularly to stop valve.
Background technology
The Main Function of stop valve is that the medium being located to it in pipeline is cut off and throttled.Stop valve in prior art
Sealing be by valve rod apply moment of torsion, valve rod in the axial direction to flap apply pressure, make valve clack sealing surface and valve seat
Sealing surface is brought into close contact, and prevents slot leakage of the medium between sealing surface.But the defect of existing structure is, directly using valve
Lobe is sealed with valve seat, increased the abrasion of flap, shortens service life, and sealing effectiveness is also poor.
Utility model content
The purpose of this utility model is the problems referred to above for overcoming prior art to exist, and proposes a kind of stop valve.This practicality
New structure is simple, and by arranging cut-off portion on valve rod being turned on and off for stop valve is realized, can extend the use longevity of valve rod
Life, reduces use cost, and good sealing effect is easy to use.
This utility model employs the following technical solutions to realize：
Stop valve, including valve body, valve gap and valve rod, are provided with cross inner chamber in the valve body, the horizontal stroke of the cross inner chamber
To for fluid passage, longitudinal direction is valve rod installing space, and the valve rod installing space is open upper end, the structure of lower end closed, institute
State valve gap and be detachably secured and be connected to valve rod installing space upper end, the valve rod is arranged on valve along longitudinally-slidable
In bar installing space, the valve rod lower end is provided with the cut-off portion for controlling flow of media in fluid passage, the cut-off portion bag
Include the seal section for being tightly connected with valve rod installing space and the flowing hole being transversely located on seal section, the valve rod upper end
The passage that is provided with through in valve gap is simultaneously stretched out outside valve gap, be connected with handle is rotated, the valve rod upper end and valve gap passage upper end spiral shell
Stricture of vagina connects, and is provided with for the stop collar to valve stem spacing in the valve gap passage.
The valve gap is fixed on valve rod installing space upper end by clamping screw.
The seal section is tightly connected by seal washer with valve rod installing space.
The seal section bottom is provided with locating shaft, and the valve rod installing space blind end inwall is provided with and is fallen into for locating shaft
Detent, the flowing hole be cross bore.
The valve rod is slidably set in stop collar, and the valve gap passage is shoulder hole structure, and the stop collar is consolidated
At the hole shoulder of valve gap passage.
The stop collar lower surface is provided with for the bellmouth to valve stem spacing.
Sealing ring and packing layer are provided between the valve rod outer wall and valve gap vias inner walls, the sealing ring is set in valve
Bar top, described filler layer is located between sealing ring and stop collar top.
Described fluid passage one end is flow inlet, and the other end is head piece.
The beneficial effects of the utility model：Stop valve of the present utility model, when using, by rotating handle, makes valve
Bar rises, when valve rod rises to the position of stop collar, the center of the flowing hole in now cut-off portion just with fluid passage in
The heart is overlapped, and flowing hole is connected with fluid passage, to realize flow of media in valve body；During closing, only need to rotation handss again
Handle, you can make valve rod return, is dammed, so that this utility model can lead to by the seal section convection cell passage in cut-off portion
Cross cut-off portion and realize being turned on and off for stop valve, can extend the service life of valve rod, reduce use cost, good sealing effect,
It is easy to use, while overall structure is simple, is easy to processing and manufacturing.
Description of the drawings
Fig. 1 is this utility model structure chart.
Specific embodiment
This utility model is further detailed below in conjunction with the accompanying drawings：
Cross inner chamber is provided with the stop valve of the present embodiment, including valve body 1, valve gap 2 and valve rod 3, the valve body 1, should
Cross inner chamber is laterally fluid passage 4, and longitudinal direction is cutting for valve rod installing space 5, valve rod installing space 5 and fluid passage 4
Face is circle, and valve rod installing space 5 with diameter greater than or equal to the diameter of fluid passage 4, be more favorable for controlling fluid leading to
Flow of media in road 4；The valve rod installing space 5 is open upper end, the structure of lower end closed, and the valve gap 2 is with dismountable
Mode is fixedly connected on the upper end of valve rod installing space 5, and the valve rod 3 is arranged in valve rod installing space 5 along longitudinally-slidable,
The lower end of the valve rod 3 is provided with the cut-off portion for controlling flow of media in fluid passage 4, the cut-off portion include for valve rod
Seal section 6 that installing space 5 is tightly connected and the transversely flowing hole 7 on seal section 6, the upper end of the valve rod 3 passes through valve
The passage 2a being provided with lid 2 is simultaneously stretched out outside valve gap 2, is connected with handle 8 is rotated, the upper end of the valve rod 3 and valve gap passage 2a upper ends
Threaded connection, is provided with for the stop collar 9 spacing to valve rod 3 in the valve gap passage 2a, when using, by rotating handss
Handle 8, rises valve rod 3, when valve rod 3 rises to the position of stop collar 9, the center of the flowing hole 7 in now cut-off portion just with
The center of fluid passage 4 overlaps, and flowing hole 7 is connected with fluid passage 4, to realize flow of media in valve body 1；During closing, only
Handle 8 need to again be rotated, you can make the return of valve rod 3, be dammed by the convection cell passage 4 of seal section 6 in cut-off portion, from
And pass through cut-off portion and realize being turned on and off for stop valve.
In the present embodiment, the valve 2 is fixed on the upper end of valve rod installing space 5, the installation and dismantling of convenient peace by clamping screw 10
Unload, assembling is easy.
In the present embodiment, the seal section 6 is tightly connected by seal washer 11 with valve rod installing space 5, sealing effectiveness
It is good, it is safe and reliable.
In the present embodiment, the bottom of the seal section 6 is provided with locating shaft 12, on the blind end inwall of the valve rod installing space 5
The detent 13 fallen into for locating shaft 12 is provided with, is engaged with detent 13 by locating shaft 12, realize cutting to valve rod 3
Stream portion is positioned, convenient use；The flowing hole 7 is cross bore, is passed through in order to medium, easy to use.
In the present embodiment, the valve rod 3 is slidably set in stop collar 9, and the valve gap passage 2a is shoulder hole knot
Structure, the stop collar 9 is fixed at the hole shoulder of valve gap passage 2a, spacing in order to carry out to valve rod 3.
In the present embodiment, the lower surface of the stop collar 9 is provided with for the bellmouth 9a spacing to valve rod 3, is realized to valve rod 3
It is spacing, it is ensured that valve rod 3 is normally used.
In the present embodiment, sealing ring 14 and packing layer 15 are provided between the outer wall of the valve rod 3 and valve gap passage 2a inwalls,
The sealing ring 14 is set in the top of valve rod 3, and described filler layer 15 is located between sealing ring 14 and the top of stop collar 9, sealing effect
It is really good, simple structure.
In the present embodiment, the one end of the fluid passage 4 is flow inlet, and the other end is head piece, so that medium is flowed into and is flowed
Go out.
This utility model is not limited to above-described embodiment, equal according to the other embodiments that the technical solution of the utility model is obtained
Should fall in protection domain of the present utility model.
Claims (8)
1. stop valve, it is characterised in that：Including valve body, valve gap and valve rod, cross inner chamber is provided with the valve body, the cross
Inner chamber is laterally fluid passage, and longitudinal direction is valve rod installing space, and the valve rod installing space is open upper end, lower end closed
Structure, the valve gap is detachably secured and is connected to valve rod installing space upper end, and the valve rod is along longitudinally-slidable
It is arranged in valve rod installing space, the valve rod lower end is provided with the cut-off portion for controlling flow of media in fluid passage, described
Cut-off portion includes the seal section for being tightly connected with valve rod installing space and the transversely flowing hole on seal section, described
Valve rod upper end passes through the passage being provided with valve gap and stretches out outside valve gap, is connected with handle is rotated, and the valve rod upper end leads to valve gap
Road threaded upper ends connection, is provided with for the stop collar to valve stem spacing in the valve gap passage.
2. stop valve according to claim 1, it is characterised in that：The valve gap is fixed on valve rod by clamping screw to be installed
Space upper end.
3. stop valve according to claim 2, it is characterised in that：The seal section installs empty by seal washer and valve rod
Between be tightly connected.
4. stop valve according to claim 3, it is characterised in that：The seal section bottom is provided with locating shaft, the valve rod
Installing space blind end inwall is provided with the detent fallen into for locating shaft, and the flowing hole is cross bore.
5. stop valve according to claim 1, it is characterised in that：The valve rod is slidably set in stop collar, institute
It is shoulder hole structure to state valve gap passage, and the stop collar is fixed at the hole shoulder of valve gap passage.
6. stop valve according to claim 5, it is characterised in that：The stop collar lower surface is provided with for valve stem spacing
Bellmouth.
7. stop valve according to claim 6, it is characterised in that：Arrange between the valve rod outer wall and valve gap vias inner walls
There are sealing ring and packing layer, the sealing ring is set in valve rod top, and described filler layer is located at sealing ring with stop collar top
Between.
8. stop valve according to claim 1, it is characterised in that：Described fluid passage one end is flow inlet, and the other end is
Go out head piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620636884.4U CN206130160U (en) | 2016-06-25 | 2016-06-25 | Stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620636884.4U CN206130160U (en) | 2016-06-25 | 2016-06-25 | Stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206130160U true CN206130160U (en) | 2017-04-26 |
Family
ID=58560894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620636884.4U Expired - Fee Related CN206130160U (en) | 2016-06-25 | 2016-06-25 | Stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206130160U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109654243A (en) * | 2019-01-30 | 2019-04-19 | 中国科学院力学研究所 | A kind of control valve with switching function |
-
2016
- 2016-06-25 CN CN201620636884.4U patent/CN206130160U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109654243A (en) * | 2019-01-30 | 2019-04-19 | 中国科学院力学研究所 | A kind of control valve with switching function |
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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: 20170426 Termination date: 20190625 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |