CN2328834Y - Float plate gate valve - Google Patents
Float plate gate valve Download PDFInfo
- Publication number
- CN2328834Y CN2328834Y CN 98228587 CN98228587U CN2328834Y CN 2328834 Y CN2328834 Y CN 2328834Y CN 98228587 CN98228587 CN 98228587 CN 98228587 U CN98228587 U CN 98228587U CN 2328834 Y CN2328834 Y CN 2328834Y
- Authority
- CN
- China
- Prior art keywords
- valve
- utility
- sealing
- model
- valve body
- 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
Images
Landscapes
- Sliding Valves (AREA)
Abstract
The utility model discloses a flat plate gate valve, which has the advantages of simple structure and sealing performance. The utility model comprises a valve body, a gate plate, a valve cover, a valve rod, and a hand wheel. The point of the utility model is that the jointing part of the valve body and the gate plate and the jointing part of the valve cover and the valve rod are provided with sealing rings; the jointing part of the valve cover and the valve body is provided with a sealing pad; a grease injecting mechanism of a tradition flat plate gate valve is omitted, an automatic sealing grease pressing mechanism, and a sealing grease compensating mechanism. The utility model has the advantages of simple structure, light weight, and low manufacture cost.
Description
The utility model relates to plate valve, particularly a kind of plate valve of good seal performance.
As everyone knows, existing plate valve will be made up of valve body, valve gap, flashboard, valve seat, spring, nut, valve rod, Gland, handwheel, bolt, fat injecting mechanism, automatic indentation sealing fat mechanism and sealing case pressure, seal gease compensation mechanism.Valve body is that an automatic means of press seals fat mechanism respectively is equipped with in cast steel, valve body lumen both sides, this mechanism is by the oil cylinder that fills seal gease, can form along piston and valve seat that oil cylinder inner surface moves, a seal gease compensation pressing mechanism respectively is housed at the position, front and back of valve body outside, and sealed lipid box, sealing case gland, non-return steel ball, block on the valve body returns the screw of steel ball and the seal gease in the sealed lipid box is formed by being screwed in this mechanism.This plate valve is when using under the various working conditions, because temperature, the turbidity test of medium, environment and flashboard, valve seat, the precision of processing such as oil cylinder, condition effect such as surface roughness, existing plate valve realizes that by differential pressure sealing hope reason valve seal is insecure fully, as the environment in winter, during the medium temperature step-down, seal gease viscosity just increases, intrinsic pressure difference value just pushes away motionless in-oil cylinder piston, seal gease does not just enter between the sealing pair of valve, cause valve to leak, at this moment, just has only artificial sealing case gland with spanner rotary valve outside, seal gease is forced to be pressed in the flashboard circular groove, or fill seal gease with the high pressure oil gun seal gease is injected, realize sealing.Valve switch once will manually be pressed into once, increase administrative staff's labor intensity; Its two, in fact two seal gease compensation mechanisms of existing product valve body outer installment have increased by two leakage points, bad or time is used long point as accuracy of manufacturing, medium is easy to from the sealed lipid box leakage behind the non-return worn steel ball, this problem facts have proved; Its three, existing plate valve is owing to by seal gease, realize oil film seal, just can not use in some pipe-line systems of a lot of industrial departments such as oil refining, chemical industry, electric power, tap water, thereby applicable surface is narrow; Four, big, the Heavy Weight of volume, complex structure, the manufacture cost height, price is expensive.
The purpose of this utility model is to provide a kind of plate valve of simple in structure, in light weight, good seal performance.
The purpose of this utility model can reach by following technical measures, that is: this plate valve comprises valve body, flashboard, valve gap, valve rod and handwheel, its key is in the connecting part of valve body and flashboard/in the connecting part of valve gap and valve rod seal ring is housed, in the connecting part of valve gap and valve body sealing gasket is housed.
The utility model compared with prior art, owing to adopt seal ring to seal in relevant junction with sealing gasket, not only make sealing reliable, prevented the seepage between junction plane, and the fat injecting mechanism of original plate valve, automatically indentation sealing fat mechanism and seal gease compensation mechanism have been saved, make it simple in structure, in light weight, greatly reduce the manufacture cost of gate valve, widened using scope.
Embodiment of the present utility model is provided by the following drawings.
Fig. 1 is first embodiment of the present utility model;
Fig. 2 is second embodiment of the present utility model.
Below with reference to accompanying drawing embodiment of the present utility model is further described.
Referring to Fig. 1, the utility model plate valve comprises valve body 1, flashboard 3, valve gap 8, valve rod 7 and handwheel, seal ring 2 is equipped with in connecting part at valve body 1 and flashboard 3, in the valve gap 8 and the connecting part of valve body 1 sealing gasket 5 is housed, and bolt 6 combines as a whole valve gap 8 and valve body 1, in valve rod 7 upper ends setscrew nut 9 and Cock screw 10 are housed, lower end and nut 4 scyewed joint are rotated handwheel, can make valve rod 7 rotations, thereby order about nut 4 and drive joining flashboard 3 liftings, thereby realize the switching of this valve.
Referring to Fig. 2, in the present embodiment, except seal ring 2 is located at the connecting part of valve gap 8 and valve rod 7, valve rod 7 directly and outside flashboard 2 scyewed joint, all the other are identical with first embodiment.
Claims (1)
1, a kind of plate valve, comprise valve body, flashboard, valve gap, valve rod and handwheel, it is characterized in that: in the connecting part of valve body (1) and flashboard (3)/in the valve gap (8) and the connecting part of valve rod (7) seal ring (2) is housed, in the valve gap (8) and the connecting part of valve body (1) sealing gasket (5) is housed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98228587 CN2328834Y (en) | 1998-04-03 | 1998-04-03 | Float plate gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98228587 CN2328834Y (en) | 1998-04-03 | 1998-04-03 | Float plate gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2328834Y true CN2328834Y (en) | 1999-07-14 |
Family
ID=33978660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98228587 Expired - Fee Related CN2328834Y (en) | 1998-04-03 | 1998-04-03 | Float plate gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2328834Y (en) |
-
1998
- 1998-04-03 CN CN 98228587 patent/CN2328834Y/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2165047A1 (en) | Backflow preventer and test cock assembly | |
| CN210600231U (en) | Non-rising stem flat valve without flange and bolted connection valve cover structure | |
| CN2328834Y (en) | Float plate gate valve | |
| CN210531632U (en) | Electric wafer type butterfly valve for automatic control system | |
| CN203051797U (en) | Self-adaption elastic valve seat varying with pressure | |
| CN2163912Y (en) | Two-way high-temp metallic packing butterfly valve | |
| CN2245695Y (en) | Double-sealing plate sluice valve | |
| CN210687019U (en) | Two-way hard seal butterfly valve | |
| CN109357035B (en) | Axial sealing ball valve of valve rod | |
| CN109826970B (en) | Hidden rod flat valve without flange and bolt connection valve cover structure | |
| CN220249011U (en) | Three-way copper valve for fluid delivery | |
| CN2427698Y (en) | Novel package sealing element used for valve | |
| CN220792124U (en) | Ball valve with valve gap sealing structure | |
| CN2171049Y (en) | Double sealing conceal rod type valve | |
| CN205278313U (en) | Beam -pumping unit reducing gear box spindle nose seals fuel economizing device | |
| CN215371065U (en) | Pneumatic cut-off valve | |
| CN2806911Y (en) | Valve core with elastic seal structure | |
| CN220600442U (en) | Mechanical sealing device of vehicle-mounted oil filling pump | |
| CN221683659U (en) | Lining fluorine ball valve with leak detection function | |
| CN221897121U (en) | Corrugated pipe double-end-face mechanical sealing device | |
| CN220102010U (en) | Oil seepage prevention structure of speed reducer | |
| CN219653659U (en) | Wall penetrating sealing device for driving gate bottom shaft of steel dam | |
| CN215763303U (en) | Tight device in top of sealing ring for valve for oil development | |
| CN220488336U (en) | Gate valve with good sealing performance | |
| CN220668380U (en) | Stop valve convenient to install |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |