CN208967051U - A kind of cutoff valve with high sealing performance - Google Patents
A kind of cutoff valve with high sealing performance Download PDFInfo
- Publication number
- CN208967051U CN208967051U CN201821840539.8U CN201821840539U CN208967051U CN 208967051 U CN208967051 U CN 208967051U CN 201821840539 U CN201821840539 U CN 201821840539U CN 208967051 U CN208967051 U CN 208967051U
- Authority
- CN
- China
- Prior art keywords
- limit
- valve
- fixing seat
- inner cylinder
- sealing performance
- 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
The utility model discloses a kind of cutoff valve with high sealing performance, including valve body, the body top is provided with fixing seat, is provided with clamping ring on the outside of the fixing seat, is provided through valve rod in the fixing seat, the stem bottom is provided with bottom plate, the bottom base plate is provided with flap, and the clamping ring bottom is provided with limit inner cylinder, is provided with spacing collar on the outside of the limit inner cylinder, it is provided with sealing ring on the outside of the spacing collar, the sealing ring is made of rubber material.The utility model passes through setting limit outer cylinder, limit inner cylinder and sealing ring, during fixing seat raising and lowering, it is mobile in limit outer barrel to limit inner cylinder bottom end, the barrier that limit outer cylinder and limit inner cylinder surround annular stops water, prevent water from flowing out in the gap between valve rod and fixing seat, the sealing ring made of rubber material can reduce limit outer cylinder and limit the gap between inner cylinder, advantageously reduce the probability of leak.
Description
Technical field
The utility model relates to valve technology field, in particular to a kind of cutoff valve with high sealing performance.
Background technique
Shut-off valve is also known as pipe valve valve, belongs to forced seal formula valve, so when valve is closed, it is necessary to apply to flap and press
Power is not leaked with forced seal face.When medium is by entering valve below flap, the resistance overcome required for operating force, is valve
The frictional force of bar and filler and the thrust as caused by the pressure of medium, the power of closing valve is bigger than the power of valve opening door, so valve rod
Diameter it is big, the failure of valve rod bending otherwise can occur.When existing shut-off valve realizes closing using engagement thread, make for a long time
With rear, at screw thread sealing performance reduction, it is easy to produce leakage, needs to replace in time, it is at high cost, it would be highly desirable to improve.
Therefore, it is necessary to solve the above problems to invent a kind of cutoff valve with high sealing performance.
Utility model content
The purpose of this utility model is to provide a kind of cutoff valve with high sealing performance, pass through limit outer cylinder, limit inner cylinder and close
Seal, in limit outer barrel movement, limit outer cylinder surrounds the barrier of annular to water progress with inner cylinder is limited for limit inner cylinder bottom end
Stop, prevent water from flowing out in the gap between valve rod and fixing seat, it is outer that the sealing ring made of rubber material can reduce limit
Gap between cylinder and limit inner cylinder, to solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides the following technical solutions: a kind of cutoff valve with high sealing performance, including valve
Body, the body top are provided with fixing seat, are provided with clamping ring on the outside of the fixing seat, are provided through in the fixing seat
Valve rod, the stem bottom are provided with bottom plate, and the bottom base plate is provided with flap, and the clamping ring bottom is provided in limit
Cylinder, the limit inner cylinder outside are provided with spacing collar, are provided with sealing ring on the outside of the spacing collar, the sealing ring is by rubber material
Material is made, and is provided with limit outer cylinder on the outside of the sealing ring, the valve body side is provided with water inlet, and the valve body other side is set
It is equipped with water outlet.
Preferably, it is provided with retainer plate at the top of the clamping ring, the retainer plate surface is provided with bolt.
Preferably, the bolt is connect with valve body screw thread, and the valve rod is threadedly coupled with fixing seat.
Preferably, the valve stem top is provided with operation ring, and the operation ring is made of Steel material.
Preferably, the limit outer cylinder is fixedly connected with bottom plate.
Preferably, the flap bottom is provided with gasket, and the gasket is made of rubber material.
The utility model has the following beneficial effects:
(1) pass through setting limit outer cylinder, limit inner cylinder and sealing ring, during fixing seat raising and lowering, limit
Inner cylinder bottom end is mobile in limit outer barrel, and the barrier that limit outer cylinder surrounds annular with limit inner cylinder stops water, prevents
Water flows out in the gap between valve rod and fixing seat, and the sealing ring made of rubber material can be reduced in limit outer cylinder and limit
Gap between cylinder, advantageously reduces the probability of leak;
(2) by setting bolt and retainer plate, bolt is backed out from valve body, pull operation ring, by fixing seat and connection
Circle is removed from valve body, and limit inner cylinder bottom end is taken out from limit outer cylinder, replaces to sealing ring, is conducive to improve replacement
Convenience.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model;
Fig. 2 is the portion the A enlarged diagram of Fig. 1 of the utility model;
Fig. 3 is the portion the B enlarged diagram of Fig. 1 of the utility model;
In figure: 1 valve body, 2 fixing seats, 3 clamping rings, 4 valve rods, 5 bottom plates, 6 flaps, 7 limit inner cylinders, 8 spacing collars, 9 sealings
Circle, 10 limit outer cylinders, 11 water inlets, 12 water outlets, 13 retainer plates, 14 bolts, 15 operation rings, 16 gaskets.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of cutoff valve with high sealing performance as shown in Figs. 1-3, including valve body 1, and the valve body 1 pushes up
Portion is provided with fixing seat 2, and clamping ring 3 is provided on the outside of the fixing seat 2, valve rod 4, institute are provided through in the fixing seat 2
It states 4 bottom of valve rod and is provided with bottom plate 5,5 bottom of bottom plate is provided with flap 6, and 3 bottom of clamping ring is provided with limit inner cylinder
7, spacing collar 8 is provided on the outside of the limit inner cylinder 7, is provided with sealing ring 9 on the outside of the spacing collar 8, and the sealing ring 9 is by rubber
Glue material is made, and limit outer cylinder 10 is provided on the outside of the sealing ring 9,1 side of valve body is provided with water inlet 11, the valve
1 other side of body is provided with water outlet 12.
Further, in the above-mentioned technical solutions, retainer plate 13, the retainer plate 13 are provided at the top of the clamping ring 3
Surface is provided with bolt 14, and bolt 14, which can facilitate, is fixed on retainer plate 13 on valve body 1;
Further, in the above-mentioned technical solutions, the bolt 14 is threadedly coupled with valve body 1, the valve rod 4 and fixing seat
2 are threadedly coupled, and when threaded connection is easy to tighten and unscrew;
Further, in the above-mentioned technical solutions, be provided at the top of the valve rod 4 operation ring 15, the operation ring 15 by
Steel material is made, and the operation ring 15 made of Steel material is not easy to meet aquatic rust;
Further, in the above-mentioned technical solutions, the limit outer cylinder 10 is fixedly connected with bottom plate 5, improves stability;
Further, in the above-mentioned technical solutions, 6 bottom of flap is provided with gasket 16, the gasket 16 by
Rubber material is made, and the gasket 16 made of rubber material can be improved the sealing performance of flap 6.
This practical working principle:
Referring to Figure of description 1-3, by operation 15 rotation valve rod 4 of ring, valve rod 4 is rotated down in fixing seat 2, is pushed away
Dynamic bottom plate 5, and then flap 6 is driven to close valve body 1, prevent water from flowing to water outlet 12 by water inlet 11, by rubber material system
At gasket 16 can be improved the sealing performance of flap 6, during 2 raising and lowering of fixing seat, limit 7 bottom end of inner cylinder
Limit outer cylinder 10 inside move, limit outer cylinder 10 and limit inner cylinder 7 surround annular barrier water is stopped, prevent water from
It is flowed out in gap between valve rod 4 and fixing seat 2, the sealing ring 9 made of rubber material can reduce limit outer cylinder 10 and limit
Gap between inner cylinder 7 advantageously reduces the probability of leak;
Bolt 14 can be backed out referring to Figure of description 3 when needing to take out flap 6 from valve body 1, pull behaviour
Make ring 15, fixing seat 2 and clamping ring 3 are removed from valve body 1, limit 7 bottom end of inner cylinder is taken out from limit outer cylinder 10, to close
Seal 9 is replaced, and the convenience for improving replacement is conducive to.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of cutoff valve with high sealing performance, including valve body (1), it is characterised in that: be provided with fixing seat at the top of the valve body (1)
(2), it is provided with clamping ring (3) on the outside of the fixing seat (2), is provided through valve rod (4), the valve on the fixing seat (2)
Bar (4) bottom is provided with bottom plate (5), and bottom plate (5) bottom is provided with flap (6), and clamping ring (3) the bottom setting is limited
Position inner cylinder (7), limit inner cylinder (7) outside are provided with spacing collar (8), are provided with sealing ring on the outside of the spacing collar (8)
(9), the sealing ring (9) is made of rubber material, and limit outer cylinder (10), the valve body are provided on the outside of the sealing ring (9)
(1) side is provided with water inlet (11), and valve body (1) other side is provided with water outlet (12).
2. a kind of cutoff valve with high sealing performance according to claim 1, it is characterised in that: setting at the top of the clamping ring (3)
Have retainer plate (13), retainer plate (13) surface is provided with bolt (14).
3. a kind of cutoff valve with high sealing performance according to claim 2, it is characterised in that: the bolt (14) and valve body (1)
It is threadedly coupled, the valve rod (4) is threadedly coupled with fixing seat (2).
4. a kind of cutoff valve with high sealing performance according to claim 1, it is characterised in that: be provided at the top of the valve rod (4)
It operates ring (15), the operation ring (15) is made of Steel material.
5. a kind of cutoff valve with high sealing performance according to claim 1, it is characterised in that: the limit outer cylinder (10) and bottom plate
(5) it is fixedly connected.
6. a kind of cutoff valve with high sealing performance according to claim 1, it is characterised in that: flap (6) bottom is provided with
Gasket (16), the gasket (16) are made of rubber material.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821840539.8U CN208967051U (en) | 2018-11-09 | 2018-11-09 | A kind of cutoff valve with high sealing performance |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821840539.8U CN208967051U (en) | 2018-11-09 | 2018-11-09 | A kind of cutoff valve with high sealing performance |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208967051U true CN208967051U (en) | 2019-06-11 |
Family
ID=66760967
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201821840539.8U Expired - Fee Related CN208967051U (en) | 2018-11-09 | 2018-11-09 | A kind of cutoff valve with high sealing performance |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN208967051U (en) |
-
2018
- 2018-11-09 CN CN201821840539.8U patent/CN208967051U/en not_active Expired - Fee Related
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN203477326U (en) | Diaphragm mud valve | |
CN208967051U (en) | A kind of cutoff valve with high sealing performance | |
CN111810664B (en) | Vacuum die-casting stop valve of hydraulic pump | |
CN205001535U (en) | Double containment flanged gate valve | |
CN205136730U (en) | Three eccentric two -way all -metals butterfly valve sealed firmly | |
CN204437296U (en) | Embedded forging Y type is without bonnet stop valve | |
CN217328512U (en) | Improved shaft end sealing structure and wear-resisting ring thereof | |
CN203560467U (en) | Triple-eccentric metal hard-sealing butterfly valve | |
CN206458845U (en) | The screw connected Outside screw stem rising through handwheel type gate valve of middle mouth that a kind of constructive simplification can be improved | |
CN210949952U (en) | Ultra-high pressure guide plate flat gate valve | |
CN114635973A (en) | Main steam high-temperature high-pressure valve seat-replaceable stop valve | |
CN204828725U (en) | Ceramic sluice valve | |
CN202441928U (en) | Y-shaped multifunctional valve | |
CN206723463U (en) | Integral type is without bonnet throttling stop valve | |
CN111677895A (en) | Multi-bypass pressure relief type gate valve of high-pressure forge welding structure for nuclear power | |
CN206320335U (en) | A kind of balanced three-way governing valve | |
CN205896217U (en) | Heavy -calibre hangs down moment of torsion bivalve lamella stop valve | |
CN218625441U (en) | Anti-leakage stop valve for natural gas pipeline | |
CN217381759U (en) | Check valve control structure of drainage system of hydroelectric power plant | |
CN213711925U (en) | High-temperature high-pressure welding gate valve | |
CN210623635U (en) | Gate valve with stroke controller | |
CN204226696U (en) | A kind of high leak tightness gate valve | |
CN220286556U (en) | Y-shaped packing sealing stop valve | |
CN216643180U (en) | Check valve easy to install and maintain | |
CN211009928U (en) | Ultrahigh pressure self-pressing sealing forged steel stop valve |
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: 20190611 Termination date: 20191109 |