CN2173332Y - Intensive clamp type plate gate valve - Google Patents
Intensive clamp type plate gate valve Download PDFInfo
- Publication number
- CN2173332Y CN2173332Y CN 93240351 CN93240351U CN2173332Y CN 2173332 Y CN2173332 Y CN 2173332Y CN 93240351 CN93240351 CN 93240351 CN 93240351 U CN93240351 U CN 93240351U CN 2173332 Y CN2173332 Y CN 2173332Y
- Authority
- CN
- China
- Prior art keywords
- valve body
- stuffing
- sealing
- valve
- packing
- 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
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- Details Of Valves (AREA)
Abstract
The utility model relates to a reinforcement opposite-clamp type flat plate gate valve, which comprises a left valve body, a right valve body, a gate plate and a U-shaped sealing ring, in particular the utility model is provided with a sealing structure in an upper stuffing type. The upper portion of a valve body is provided with an upper chamber of sealing stuffing whose upper opening is assembled with a stuffing pressing cover. The stuffing pressing cover is provided with the plugging hole of the gate plate and is fixed on the valve body by a bolt. The inner portion of the upper chamber of the sealing stuffing is provided with sealing stuffing. Meanwhile, one valve body of the utility model is provided with a lower containing edge and the lower portion of the upper chamber of the sealing stuffing is additionally provided with a scraping plate. The utility model has the advantages the sealing performance is improved and the service life of the valve is prolonged.
Description
The utility model relates to a kind of reinforced wafer type plate valve, belongs to the mesolow valve.
Existing its structure of wafer type plate valve as shown in Figure 1, 2, it is made up of left valve barrel 4, right valve barrel 3, flashboard 2, U RunddichtringO 1, horizontal Stamping Steel Ribbon 7.Its sealing mechanism is that flashboard and U RunddichtringO form the periphery sealing, and the horizontal Stamping Steel Ribbon that compresses by pressing plate guarantees to go up sealing.There is following shortcoming in the gate valve of this structure: the first, easy destroyed the leaking outside of horizontal sealing pair.The second, the extruding dislocation easily takes place in the U RunddichtringO, makes seal failure.The 3rd, horizontal Stamping Steel Ribbon is easily taken out of when flashboard is opened.Above-mentioned shortcoming to pressure higher (〉=1MPa) and operating mode more be prone to when abominable.
The purpose of this utility model is at above-mentioned shortcoming of the prior art, and a kind of material filling type sealing wafer type plate valve of going up is provided.
The purpose of this utility model is to realize like this, it includes left valve barrel, right valve barrel, flashboard, U RunddichtringO, particularly be provided with the upper gland packing chamber on the top of valve body, upper gland packing chamber suitable for reading is fitted with Gland, Gland is provided with the flashboard jack, Gland is by being bolted to above the valve body, and upper gland packing is indoor to be equipped with stuffing box packing.
Below in conjunction with drawings and Examples the utility model is further described:
Fig. 1 is a prior art wafer type construction of parallel gate valve schematic representation.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is a structural representation of the present utility model.
Fig. 4 is the left view of Fig. 3.
By Fig. 3,4 as can be known, the utility model includes left valve barrel 4, right valve barrel 3, flashboard 2, U RunddichtringO 1, particularly it has a upward material filling type sealing configuration, promptly be provided with the upper gland packing chamber on the top of valve body, the upper gland packing chamber Gland 8 that is fitted with suitable for reading, Gland 8 is provided with the flashboard jack, Gland 8 is by being bolted to above the valve body, upper gland packing is indoor to be equipped with stuffing box packing 9, stuffing box packing can be selected one of the following for use: polytetrafluoroethylene packing, teflon fibre braided stuffing box packing, the fibrage stuffing box packing, asbestos graphite braiding stuffing box packing also can be selected other stuffing box packing for use.
Below the upper gland packing chamber, be provided with scraping blade 10, scraping blade is contained in the scraping blade chamber of valve body.The effect of scraping blade is to prevent that grit enters the upper gland packing chamber in the slurries, causes the sealing premature failure.
Left valve barrel (perhaps right valve barrel) is provided with the following containing limit of containing the U RunddichtringO, and the U RunddichtringO is included in (perhaps in the right valve barrel) in the left valve barrel, has avoided the U RunddichtringO by flashboard extruding dislocation, makes seal failure.Among the figure, 5 is fastening screw trip bolt, and 6 for tightening solid screw.
The utility model has the advantages that and adopt upper material filling type hermetically-sealed construction to solve the existing shortcoming of former horizontal sealing strip. Adopt the containment type structure to avoid U-shaped sealing ring to be extruded dislocation. Set up scraping blade, can prevent that grit enters seal groove in the slurries, the sealing property of valve is improved, and, so that valve service life bring up to original 2-3 doubly. The utility model can be widely used in the industries such as sewage disposal, colliery, metallurgy, generating, chemical industry.
Claims (4)
1, a kind of reinforced wafer type plate valve, it includes left valve barrel, right valve barrel, flashboard, U RunddichtringO, it is characterized in that being provided with the upper gland packing chamber on the top of valve body, upper gland packing chamber suitable for reading is fitted with Gland, Gland is provided with the flashboard jack, Gland is by being bolted to above the valve body, and upper gland packing is indoor to be equipped with stuffing box packing.
2, gate valve according to claim 1 is characterized in that being provided with scraping blade below last closed chamber, scraping blade is contained in the scraping blade chamber of valve body.
3, gate valve according to claim 2 is characterized in that in the left and right valve body is provided with the following containing limit of containing the U RunddichtringO.
4, gate valve according to claim 3 is characterized in that stuffing box packing selects one of the following for use: polytetrafluoroethylene packing, teflon fibre braided stuffing box packing, fibrage stuffing box packing, asbestos graphite braiding stuffing box packing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93240351 CN2173332Y (en) | 1993-09-23 | 1993-09-23 | Intensive clamp type plate gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93240351 CN2173332Y (en) | 1993-09-23 | 1993-09-23 | Intensive clamp type plate gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2173332Y true CN2173332Y (en) | 1994-08-03 |
Family
ID=33814634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93240351 Expired - Fee Related CN2173332Y (en) | 1993-09-23 | 1993-09-23 | Intensive clamp type plate gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2173332Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102182865A (en) * | 2011-04-29 | 2011-09-14 | 重庆川仪调节阀有限公司 | Black water regulating valve |
-
1993
- 1993-09-23 CN CN 93240351 patent/CN2173332Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102182865A (en) * | 2011-04-29 | 2011-09-14 | 重庆川仪调节阀有限公司 | Black water regulating valve |
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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 |