CN2420469Y - Umbrella type valve rod type two-way seal valve - Google Patents
Umbrella type valve rod type two-way seal valve Download PDFInfo
- Publication number
- CN2420469Y CN2420469Y CN 00211433 CN00211433U CN2420469Y CN 2420469 Y CN2420469 Y CN 2420469Y CN 00211433 CN00211433 CN 00211433 CN 00211433 U CN00211433 U CN 00211433U CN 2420469 Y CN2420469 Y CN 2420469Y
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- China
- Prior art keywords
- valve rod
- valve
- umbrella
- utility
- model
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Abstract
The utility model relates to a valve conveying various media, particularly an umbrella-shaped valve rod two-way seal valve. The utility model is composed of a valve body, a valve rod, an elevating handle, a gland, a limit component, etc., and is characterized in that the valve rod is an umbrella-shaped valve rod provided with a valve clack. The utility model has the advantages of ideal anticorrosion performance and seal effects, and because the valve rod uses the umbrella-shaped structure, conveyed media are difficult to escape from the valve core and are not easy to contact transmission threads.
Description
The utility model relates to the used valve of the various media of a kind of conveying, relates in particular to a kind of umbellate form valve rod formula two way sealed valve.
At present in the pipe-line system of conveyance fluid in the employed conventional valve, ubiquity the difficult problem that fed sheet of a media leaks from spool, the transmission screw thread contacts the problem that is subjected to its corrosion with medium, rotation owing to valve rod rubs the seal point of valve rod and valve body in addition, produce spin friction with sealing material, sealing material is by stem wear, and can not adjust automatically and be equal to topic.For addressing the above problem, I the Chinese patent ZL97213241.4 of application discloses a kind of enhanced leaktightness formula pressure overhead-valve, also have some stop valves, glue bowl valve etc., though the sealing effect of these valves is better, but also deposit the deficiency of wanting certain: little as flow surface, resistance is big, can not reconcile tightness automatically under the half-open position, full-gear lower seal surface of contact is little, and sealing effect is not ideal enough.
The purpose of this utility model provides that a kind of the discharge area is big under the situation of high-pressure water flow, and resistance is little, and sealing effect is better, and is simple in structure, easily a kind of umbellate form valve rod formula two way sealed valve of processing.
The utility model is achieved in that it is made up of institutes such as valve body, valve rod, lifting handle, gland, bounding meanss, it is characterized in that described valve rod is the umbellate form valve rod that has flap.
According to a kind of umbellate form valve rod formula two way sealed valve described in the utility model, it is characterized in that being provided with a fixing Stuffing box on the flap top of described umbellate form valve rod, stuffing box packing is filled between the flap of Stuffing box and umbellate form valve rod, establishes a filler holder in the Stuffing box bottom inside.
The utility model has the advantages that because valve rod adopts umbrella-shaped structure, when valve was closed fully, the outer umbrella cover of its umbellate form valve body contacted with the sealing surface of valve body, plays the effect of sealing; When valve during in full-gear, the interior umbrella cover of umbellate form valve rod contacts with the outer surface large size of Stuffing box, plays the enhanced leaktightness effect, makes fed sheet of a media be difficult to overflow from spool, also is difficult for touching with the driving wire snapping, and antiseptic property and sealing effect are comparatively desirable.
The utility model is described in further detail below in conjunction with accompanying drawing.
Accompanying drawing 1 is the partial sectional view of the utility model structural representation.
Sectional view when accompanying drawing 2 is the utility model umbellate form valve body opening state.
As shown in Figure 1 and Figure 2, the utility model is made up of institutes such as valve body 8, valve rod, lifting handle 1, gland 2, bounding meanss 3, it is characterized in that described valve rod is the umbellate form valve rod 9 that has flap.
Main points of the present utility model also are to be provided with a fixing Stuffing box 5 on the flap top of described umbellate form valve rod 9, and stuffing box packing 6 is filled between the flap of Stuffing box 5 and umbellate form valve rod 9, also is provided with Gland 4 on filler top.In order to solve the half-open position lower seal with topic, the utility model is established a filler holder 7 in the bottom inside of stuffing box packing case again, so just can lean on pressure medium to reconcile its tightness automatically.Owing to adopted above-mentioned seal approach, valve rod adopts umbrella-shaped structure in addition, has increased the surface of contact of valve rod and stuffing box packing, has played the effect of enhanced leaktightness.Making valve rod no matter open, close still is under the half-open position, can both reach good sealing effect.
The utility model is applicable to various valves, is particularly useful for the high pressure sealing valve.
Claims (2)
1, a kind of umbellate form valve rod formula two way sealed valve is made up of institutes such as valve body, valve rod, lifting handle, gland, bounding meanss, it is characterized in that described valve rod is the umbellate form valve rod (9) that has flap.
2, a kind of umbellate form valve rod formula two way sealed valve according to claim 1.It is characterized in that being provided with a fixing Stuffing box (5) on the flap top of described umbellate form valve rod (9), stuffing box packing (6) is filled between the flap of Stuffing box (5) and umbellate form valve rod (9), establishes a filler holder (7) in the Stuffing box bottom inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00211433 CN2420469Y (en) | 2000-04-06 | 2000-04-06 | Umbrella type valve rod type two-way seal valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00211433 CN2420469Y (en) | 2000-04-06 | 2000-04-06 | Umbrella type valve rod type two-way seal valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2420469Y true CN2420469Y (en) | 2001-02-21 |
Family
ID=33578130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00211433 Expired - Fee Related CN2420469Y (en) | 2000-04-06 | 2000-04-06 | Umbrella type valve rod type two-way seal valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2420469Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114668539A (en) * | 2022-03-28 | 2022-06-28 | 福州牙宜生口腔科技有限公司 | Tooth flushing device core |
-
2000
- 2000-04-06 CN CN 00211433 patent/CN2420469Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114668539A (en) * | 2022-03-28 | 2022-06-28 | 福州牙宜生口腔科技有限公司 | Tooth flushing device core |
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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 |