CN205781282U - A kind of self-pressure-sealed stop valve - Google Patents
A kind of self-pressure-sealed stop valve Download PDFInfo
- Publication number
- CN205781282U CN205781282U CN201620499880.6U CN201620499880U CN205781282U CN 205781282 U CN205781282 U CN 205781282U CN 201620499880 U CN201620499880 U CN 201620499880U CN 205781282 U CN205781282 U CN 205781282U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- gap
- pressing plate
- self
- 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
Landscapes
- Sliding Valves (AREA)
Abstract
The utility model discloses a kind of self-pressure-sealed stop valve, its drip irrigation device is that it includes valve body, the first pipeline being arranged in valve body and second pipe, the flap being arranged in valve body, and it is arranged on valve body the valve rod for the flap that links, it is provided with for the valve gap in gap between sealed valve body and valve rod on described valve body at valve rod, it is installed with fixture on described valve gap, hands wheel it is rotatablely equipped with on described fixture, described valve gap is provided with stuffing box with contacting out of valve stem contacts, it is provided with spacer ring in described stuffing box, the two ends up and down of described spacer ring are provided with filler, it is provided with pressing plate between described fixture and valve gap, described pressing plate is bolted on valve gap, described stuffing box is provided with the gland of conflict filler near one end of pressing plate.A kind of self-pressure-sealed stop valve of the present utility model improves the sealing property of gate valve, and further increases service life and the using effect of gate valve.
Description
Technical field
This utility model relates to a kind of valve, and in particular, it relates to a kind of self-pressure-sealed stop valve.
Background technology
Gate valve is a kind of valve conventional in pipe-line system, and it is for connecting or block the fluid media (medium) in pipe-line system.The opening and closing element of gate valve is flashboard assembly, the opening and closing of gate valve are that the conversion of the upper-lower position by flashboard assembly realizes, but flashboard assembly is during moving up and down, between valve rod and valve gap, friction easily causes the situation that friction is impaired, make gate valve that the situation of leakage occur at valve rod with valve gap, and be connected for fixing between current gate valve rod and handwheel, in the formula of use, easily cause handwheel and then valve rod and move up and down.
Utility model content
The deficiency existed for prior art, the purpose of this utility model is to provide a kind of good seal performance, and service life is long, and can improve the self-pressure-sealed stop valve of using effect.
nullFor achieving the above object，This utility model provides following technical scheme: a kind of self-pressure-sealed stop valve，It includes valve body、The first pipeline being arranged in valve body and second pipe、The flap being arranged in valve body、And it is arranged on valve body the valve rod for the flap that links，Connected by flap between described first pipeline and second pipe，It is provided with at valve rod on described valve body for the valve gap in gap between sealed valve body and valve rod，It is installed with fixture on described valve gap，It is rotatablely equipped with handwheel on described fixture，Described handwheel sleeve is located at valve rod and stretches out on one end of valve body，And be connected by leading screw between handwheel with valve rod，Described valve gap is provided with stuffing box with contacting out of valve stem contacts，It is provided with spacer ring in described stuffing box，The two ends up and down of described spacer ring are provided with filler，It is provided with pressing plate between described fixture and valve gap，Described pressing plate is bolted on valve gap，Described stuffing box is provided with the gland of conflict filler near one end of pressing plate，Described gland contacts at clamp surface away from one end of filler.
This utility model is further arranged to: described stuffing box is provided with sealing ring near one end lateral surface of valve body at valve body contact.
This utility model is further arranged to: described pressing plate part is positioned at handwheel and is provided with the bearing being connected with handwheel.
This utility model is further arranged to: described pressing plate part is positioned at bearing the oil filler point being provided with connection bearing.
nullThis utility model has an advantage that and passes through stuffing box、Spacer ring and the setting of filler，Gap between valve rod and valve gap can be sealed，And filler is mounted at the two ends of spacer ring arranging，Can be to carrying out secondary seal between valve rod and valve gap，Make the sealing further increasing between valve rod and valve gap，And valve rod can be reduced at valve gap, move the damage caused，By installing flap between the first pipeline and second pipe，Flap can block closedown，Connection between first pipeline and second pipe，When valve rod drives flap to move up and down in valve body，Separate between flap and the first pipeline and second pipe，Make to connect between the first pipeline and second pipe，By being connected for leading screw between handwheel with valve rod，Make handwheel rotates through leading screw effect，Enable to valve rod move up and down in valve body，And drive flashboard to open or close，By the setting of bearing，The stress effect of hand wheel rotating can be alleviated，By the setting of sealing ring，The sealing effectiveness between stuffing box and valve body can be improved，And improve the sealing effectiveness between valve gap and valve body further，By arranging oil filler point on pressing plate part，Make it possible to bearing is carried out oil injection operation，Bearing is avoided excessively to use unlubricated effect，And the using effect of bearing can be improved.
Accompanying drawing explanation
Fig. 1 is the partial structurtes schematic diagram of a kind of self-pressure-sealed stop valve of this utility model；
Fig. 2 is the front view of a kind of self-pressure-sealed stop valve of this utility model；
Fig. 3 is the A portion enlarged diagram of Fig. 2.
In figure: 1, valve body；2, the first pipeline；3, second pipe；4, flap；5, valve rod；6, valve gap；7, fixture；8, handwheel；9, stuffing box；10, spacer ring；11, filler；12, pressing plate；13, gland；14, sealing ring；15, bearing；16, oil filler point.
Detailed description of the invention
nullReferring to figs. 1 through shown in 3，The self-pressure-sealed stop valve of one of the present embodiment，It includes valve body 1、The first pipeline 2 being arranged in valve body 1 and second pipe 3、The flap 4 being arranged in valve body 1、And it is arranged on valve body 1 valve rod 5 for the flap 4 that links，Connected by flap 4 between described first pipeline 2 and second pipe 3，It is provided with at valve rod 5 on described valve body 1 for the valve gap 6 in gap between sealed valve body 1 and valve rod 5，It is installed with fixture 7 on described valve gap 6，It is rotatablely equipped with handwheel 8 on described fixture 7，Described handwheel 8 is set in valve rod 5 and stretches out on one end of valve body 1，And be connected by leading screw between handwheel 8 with valve rod 5，The contact that described valve gap 6 contacts with valve rod 5 goes out to be provided with stuffing box 9，It is provided with spacer ring 10 in described stuffing box 9，The two ends up and down of described spacer ring 10 are provided with filler 11，It is provided with pressing plate 12 between described fixture 7 and valve gap 6，Described pressing plate 12 is bolted on valve gap 6，Described stuffing box 9 is provided with the gland 13 of conflict filler 11 near one end of pressing plate 12，Described gland 13 contacts at pressing plate 12 surface away from one end of filler 11.
Described stuffing box 9 is provided with sealing ring 14 near one end lateral surface of valve body 1 with valve body 1 contact position.
Described pressing plate 12 is positioned at handwheel 8 and is provided with the bearing 15 being connected with handwheel 8.
Described pressing plate 12 is positioned at bearing 15 oil filler point 16 being provided with connection bearing 15.
nullBy using technique scheme，By stuffing box 9、Spacer ring 10 and the setting of filler 11，Gap between valve rod 5 and valve gap 6 can be sealed，And filler 11 is mounted at the two ends of spacer ring 10 arranging，Can be to carrying out secondary seal between valve rod 5 and valve gap 6，Make to further increase the sealing between valve rod 5 and valve gap 6，And valve rod 5 can be reduced at valve gap 6, move the damage caused，By installing flap 4 between the first pipeline 2 and second pipe 3，Flap 4 can block closedown，Connection between first pipeline 2 and second pipe 3，When valve rod 5 drives flap 4 to move up and down in valve body 1，Separate between flap 4 with the first pipeline 2 and second pipe 3，First pipeline 2 is connected between second pipe 3，By being connected for leading screw between handwheel 8 with valve rod 5，Make handwheel 8 rotates through leading screw effect，Enable to valve rod 5 move up and down in valve body 1，And drive flashboard to open or close，Setting by bearing 15，The stress effect that handwheel 8 rotates can be alleviated，Setting by sealing ring 14，The sealing effectiveness between stuffing box 9 and valve body 1 can be improved，And improve the sealing effectiveness between valve gap 6 and valve body 1 further，By arranging oil filler point 16 on pressing plate 12，Make it possible to bearing 15 is carried out oil injection operation，Bearing 15 is avoided excessively to use unlubricated effect，And the using effect of bearing 15 can be improved.
The above is only preferred implementation of the present utility model, and protection domain of the present utility model is not limited merely to above-described embodiment, and all technical schemes belonged under this utility model thinking belong to protection domain of the present utility model.It should be pointed out that, for those skilled in the art, without departing from the some improvements and modifications under this utility model principle premise, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (4)
- null1. a self-pressure-sealed stop valve，It is characterized in that: it includes valve body、The first pipeline being arranged in valve body and second pipe、The flap being arranged in valve body、And it is arranged on valve body the valve rod for the flap that links，Connected by flap between described first pipeline and second pipe，It is provided with at valve rod on described valve body for the valve gap in gap between sealed valve body and valve rod，It is installed with fixture on described valve gap，It is rotatablely equipped with handwheel on described fixture，Described handwheel sleeve is located at valve rod and stretches out on one end of valve body，And be connected by leading screw between handwheel with valve rod，Described valve gap is provided with stuffing box with contacting out of valve stem contacts，It is provided with spacer ring in described stuffing box，The two ends up and down of described spacer ring are provided with filler，It is provided with pressing plate between described fixture and valve gap，Described pressing plate is bolted on valve gap，Described stuffing box is provided with the gland of conflict filler near one end of pressing plate，Described gland contacts at clamp surface away from one end of filler.
- The self-pressure-sealed stop valve of one the most according to claim 1, it is characterised in that: described stuffing box is provided with sealing ring near one end lateral surface of valve body at valve body contact.
- The self-pressure-sealed stop valve of one the most according to claim 1, it is characterised in that: described pressing plate part is positioned at handwheel and is provided with the bearing being connected with handwheel.
- The self-pressure-sealed stop valve of one the most according to claim 3, it is characterised in that: described pressing plate part is positioned at bearing the oil filler point being provided with connection bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620499880.6U CN205781282U (en) | 2016-05-27 | 2016-05-27 | A kind of self-pressure-sealed stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620499880.6U CN205781282U (en) | 2016-05-27 | 2016-05-27 | A kind of self-pressure-sealed stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205781282U true CN205781282U (en) | 2016-12-07 |
Family
ID=57408496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620499880.6U Expired - Fee Related CN205781282U (en) | 2016-05-27 | 2016-05-27 | A kind of self-pressure-sealed stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205781282U (en) |
-
2016
- 2016-05-27 CN CN201620499880.6U patent/CN205781282U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202520983U (en) | Opening valve seat type ball valve | |
| CN202327149U (en) | Self-sealing stop valve | |
| CN205781282U (en) | A kind of self-pressure-sealed stop valve | |
| CN203857059U (en) | Novel stop valve | |
| CN203131068U (en) | High-sealing wedge gate valve | |
| CN205745386U (en) | A kind of self-pressure-sealed gate valve | |
| CN205780998U (en) | A kind of location formula ball valve | |
| CN205207721U (en) | Parallel gate valve | |
| CN210949952U (en) | Ultra-high pressure guide plate flat gate valve | |
| CN206377285U (en) | A kind of cutoff valve with high sealing performance | |
| CN205780978U (en) | A kind of bellows gate valve | |
| CN201487239U (en) | right-angle valve | |
| CN205298604U (en) | Manual wafer valve of high pressure resistant performance | |
| CN205859212U (en) | A kind of Q347 forged steel fixing ball valve | |
| CN202733008U (en) | Motor-driven vacuum butterfly valve | |
| CN203421197U (en) | Built-in rod type dedicated valve for opening pipeline plug | |
| RU2544911C2 (en) | Gate valve | |
| CN205207719U (en) | Run -in gate valve | |
| CN205244451U (en) | High sealed dark pole wafer valve | |
| CN203797129U (en) | Bidirectional bearing flexible seal gate valve | |
| CN103759035A (en) | All-welded fixed ball valve | |
| CN203067918U (en) | Gate valve with elastic sealing block | |
| CN205064888U (en) | Flat gate valve | |
| CN205446786U (en) | High temperature modification ball valve seals up disk seat | |
| CN203131075U (en) | Double-sealing wedge gate valve with reinforcing gate plate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Autogenous pressure seals stop valve Effective date of registration: 20181220 Granted publication date: 20161207 Pledgee: Qingtian branch of China Postal Savings Bank Limited by Share Ltd. Pledgor: ZHEJIANG RUIXING VALVE Co.,Ltd. Registration number: 2018330000498 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |