CN208886113U - A kind of shut-off valve with sealing structure - Google Patents
A kind of shut-off valve with sealing structure Download PDFInfo
- Publication number
- CN208886113U CN208886113U CN201821473463.XU CN201821473463U CN208886113U CN 208886113 U CN208886113 U CN 208886113U CN 201821473463 U CN201821473463 U CN 201821473463U CN 208886113 U CN208886113 U CN 208886113U
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- CN
- China
- Prior art keywords
- valve
- deck
- valve rod
- hole
- connector
- 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
Abstract
A kind of shut-off valve with sealing structure, including valve body, valve rod, valve deck, valve deck bracket and handwheel, valve body upper end outer surface is fixedly installed with valve deck, the valve deck is equipped with valve deck bracket, valve port is equipped in the valve body, valve rod is provided in the valve body, the flap being adapted to valve port is connected with by straight pin on the valve rod, the valve rod upper end is each passed through valve deck and valve deck branch is provided with valve stem nut, the valve stem nut is connected to valve deck pedestal upper end, in the valve stem nut outer end respectively with valve rod, handwheel connection, the valve deck upper end center is equipped with seal chamber, it is characterized by: matching is equipped with sealing device in the seal chamber, the sealing device is compressed by gland.The shut-off valve with sealing structure of the utility model, hermetic resistance is smaller, and open and close is relatively labor-saving, and easy to maintain, maintenance cost is low, and sealing effect is good.
Description
Technical field
The utility model relates to valve field, in particular to a kind of shut-off valve with sealing structure.
Background technique
It is relatively short that shut-off valve opens or closes stroke, and has very reliable cutoff action, so that this valve is suitable
Cooperation uses for the cutting or adjusting and throttling of medium, therefore using very universal.During shut-off valve opens and closes,
Valve rod and valve body need to keep sealing state, generally use packing seal, in order to fill valve rod and valve seal well often
More filler fills more filler and makes hermetic resistance relatively elaborate compared with open and close is made greatly, filler and valve rod auxiliary section
Divide sealing material easy to wear, when that cannot reach sealing effect, replacement is more troublesome.
Summary of the invention
The utility model will solve technical problem and be to provide a kind of shut-off valve with sealing structure, to solve above-mentioned background
Defect present in technology.
The technical scheme in the invention for solving the above technical problem are as follows:
A kind of shut-off valve with sealing structure, including valve body, valve rod, valve deck, valve deck bracket and handwheel, on the valve body
End outer surface is fixedly installed with valve deck, and the valve deck is equipped with valve deck bracket, valve port is equipped in the valve body, is set in the valve body
It is equipped with valve rod, the flap being adapted to valve port is connected with by straight pin on the valve rod, the valve rod upper end is each passed through valve deck
It is provided with valve stem nut with valve deck branch, the valve stem nut is connected to valve deck pedestal upper end, and outer end is distinguished in the valve stem nut
It is connect with valve rod, handwheel, the valve deck upper end center is equipped with seal chamber, and matching is equipped with sealing device in the seal chamber, described
Sealing device is compressed by gland, and the sealing device includes connector, annular solid, filler and contact alarm, the company
Junctor matching is set in seal chamber, and the connector upper port is compressed by gland, the connector upper surface and outer surface
Binding end is equipped with annular groove, and filler is equipped in the annular groove, and the connection external surface is equipped with tapped through hole, the company
Junctor is equipped with centre bore, and matching is equipped with annular solid in the centre bore, and the annular solid matching is arranged on valve rod, the annular
Body, which is fixedly connected with connector by connecting screw, makes upper and lower port be respectively formed groove, and filler is equipped in the groove, described
Annular solid is equipped with through-hole, and the through-hole leads directly to valve rod, and the through-hole is corresponding with tapped through hole, and the tapped through hole is bolted with contact
Alarm, the contact alarm go directly in through-hole.
The valve rod top, which is equipped with, is connected with locating plate by positioning pin, and the locating plate is located at gland and valve rod spiral shell
On valve rod between mother.
The valve stem nut and valve deck bracket junction are connected with oil nozzle, and the oil nozzle leads directly to valve rod.
Connector upper end discharge surface is equipped with several screw holes.
The beneficial effects of the utility model are:
Compared with prior art, using the shut-off valve with sealing structure of the utility model structure, hermetic resistance is smaller,
Open and close is relatively labor-saving, easy to maintain, and maintenance cost is low, and sealing effect is good.
Detailed description of the invention
Fig. 1 is the stop valve structure schematic diagram with sealing structure of the utility model.
Fig. 2 is the portion the A enlarged drawing of Fig. 1.
Specific embodiment
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments:
Please refer to Fig. 1, Fig. 2, the utility model provides a kind of shut-off valve with sealing structure, including valve body 1, valve rod 2,
Valve deck 3, valve deck bracket 4 and handwheel 5, the 1 upper end outer surface of valve body are fixedly installed with valve deck 3, and the valve deck 3 is equipped with valve deck
Bracket 4, the valve body 1 is interior to be equipped with valve port 6, and valve rod 2 is provided in the valve body 1, is connected on the valve rod 2 by straight pin 7
There is the flap 8 being adapted to valve port 6,2 upper end of valve rod is each passed through valve deck 3 and valve deck bracket 4 is equipped with valve stem nut 9, described
Valve stem nut 9 is connected to 4 upper end of valve deck bracket, and outer end is connect with valve rod 2, handwheel 5 respectively in the valve stem nut 9, the valve
3 upper end center of lid is equipped with seal chamber 10, and matching is equipped with sealing device in the seal chamber 10, and the sealing device is by gland
11 compress, and the sealing device includes connector 12, annular solid 13, filler 14 and contact alarm 15, the connector 12
It is disposed in seal chamber 10,12 upper port of connector is compressed by gland 11,12 upper surface of connector and appearance
Face binding end is equipped with annular groove 16, and filler 14 is equipped in the annular groove 16, and 12 outer surface of connector is equipped with screw thread
Through-hole 17, the connector 12 are equipped with centre bore 18, and matching is equipped with annular solid 13, the annular solid 13 in the centre bore 18
With being arranged on valve rod 2, the annular solid 13, which is fixedly connected with connector 12 by connecting screw 19, makes upper and lower port distinguish shape
At groove 20, filler 14 is equipped in the groove 20, the annular solid 13 is equipped with through-hole 21, and the through-hole 21 leads directly to valve rod 2, institute
It is corresponding with tapped through hole 17 to state through-hole 21, the tapped through hole 17 is bolted with contact alarm 15, and the contact alarm 15 is straight
Up in through-hole 21.
2 top of valve rod, which is equipped with, is connected with locating plate 23 by positioning pin 22, and the locating plate 23 is located at gland
On valve rod 2 between 11 and valve stem nut 9.
The valve stem nut 9 is connected with oil nozzle 24 with 4 junction of valve deck bracket, and the oil nozzle 24 leads directly to valve rod 2.
The 12 upper end discharge surface of connector is equipped with several screw holes 25.
The present invention will be further described below:
The shut-off valve with sealing structure of the utility model, the interior matching of seal chamber 10 is equipped with sealing device, wherein connecting
Body 12, which is fixedly connected with annular solid 13 by connecting screw 19, makes upper and lower port be respectively formed groove 20, is equipped with filler in groove 20
14, the sealing function to upper and lower port is played, sealing effect is good, and when 5 operating valve lever 2 of handwheel, valve rod 2 is in the mistake moved up and down
The only hermetic resistance effect by filler 14 in groove 20, the filler 14 more compared to existing filling seal so that close in journey
It is smaller to blockade power, therefore keeps open and close more laborsaving.When 14 seal failure of filler in groove 20, filler 14 is needed replacing
It is very convenient, gland 11 is unclamped, screw is bolted on screw hole 25, sealing device is removed, in groove 20 and annular recessed
Filler 14 in slot 16 is replaced, and sealing device is reinstalled again after the completion of replacement, safeguards very convenient, maintenance cost
It is low.Tapped through hole 17 is bolted with contact alarm 15, and contact alarm 15 goes directly, and through-hole 21 is interior to be matched for annular solid 13 with valve rod 2
Design position, when shutoff valve long-play works, when contact alarm 15 sounds an alarm, it is necessary to replace annular solid 13.
2 top of valve rod, which is equipped with, is connected with locating plate 23 by positioning pin 22, and locating plate 23 is located at gland 11 and valve rod
On valve rod 2 between nut 9, locating plate 23 and positioning pin 22 can carry out good location and installation to valve rod 2.
Valve stem nut 9 and 4 junction of valve deck bracket are connected with oil nozzle 24, and oil nozzle 24 leads directly to valve rod 2, is refueled by oil nozzle 24
Valve stem nut 9 and 2 junction of valve rod are lubricated, the abrasion of valve stem nut 9 and valve rod 2 is reduced, prolongs the service life.
A kind of shut-off valve with sealing structure provided by the utility model embodiment is described in detail above,
Specific case used herein is expounded the principles of the present invention and embodiment, and the explanation of above embodiments is only
It is to be used to help understand the revealed technical solution of the utility model；At the same time, for those skilled in the art, according to this
The thought of utility model, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification
It should not be construed as the limitation of the utility model.
Claims (4)
1. a kind of shut-off valve with sealing structure, including valve body, valve rod, valve deck, valve deck bracket and handwheel, the valve body upper end
Outer surface is fixedly installed with valve deck, and the valve deck is equipped with valve deck bracket, and valve port, setting in the valve body are equipped in the valve body
Have a valve rod, the flap being adapted to valve port be connected with by straight pin on the valve rod, the valve rod upper end be each passed through valve deck and
Valve deck branch is provided with valve stem nut, and the valve stem nut is connected to valve deck pedestal upper end, in the valve stem nut outer end respectively with
Valve rod, handwheel connection, the valve deck upper end center are equipped with seal chamber, it is characterised in that: matching is equipped with sealing in the seal chamber
Device, the sealing device are compressed by gland, and the sealing device includes connector, annular solid, filler and contact alarm
Device, the connector matching are set in seal chamber, and the connector upper port is compressed by gland, the connector upper surface
It is equipped with annular groove with outer surface binding end, filler is equipped in the annular groove, the connection external surface is logical equipped with screw thread
Hole, the connector are equipped with centre bore, and matching is equipped with annular solid in the centre bore, and the annular solid matching is arranged in valve rod
On, the annular solid, which is fixedly connected with connector by connecting screw, makes upper and lower port be respectively formed groove, sets in the groove
There is filler, the annular solid is equipped with through-hole, and the through-hole leads directly to valve rod, and the through-hole is corresponding with tapped through hole, and the screw thread is logical
Hole is bolted with contact alarm, and the contact alarm goes directly in through-hole.
2. a kind of shut-off valve with sealing structure as described in claim 1, it is characterised in that: the valve rod top is equipped with logical
It crosses positioning pin and is connected with locating plate, the locating plate is on the valve rod between gland and valve stem nut.
3. a kind of shut-off valve with sealing structure as described in claim 1, it is characterised in that: the valve stem nut and valve deck
Bracket junction is connected with oil nozzle, and the oil nozzle leads directly to valve rod.
4. a kind of shut-off valve with sealing structure as described in claim 1, it is characterised in that: connector upper end oral thermometer
Face is equipped with several screw holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821473463.XU CN208886113U (en) | 2018-09-10 | 2018-09-10 | A kind of shut-off valve with sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821473463.XU CN208886113U (en) | 2018-09-10 | 2018-09-10 | A kind of shut-off valve with sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208886113U true CN208886113U (en) | 2019-05-21 |
Family
ID=66511611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821473463.XU Expired - Fee Related CN208886113U (en) | 2018-09-10 | 2018-09-10 | A kind of shut-off valve with sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208886113U (en) |
-
2018
- 2018-09-10 CN CN201821473463.XU patent/CN208886113U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190521 Termination date: 20210910 |