CN206972952U - A kind of gate valve - Google Patents
A kind of gate valve Download PDFInfo
- Publication number
- CN206972952U CN206972952U CN201720465223.4U CN201720465223U CN206972952U CN 206972952 U CN206972952 U CN 206972952U CN 201720465223 U CN201720465223 U CN 201720465223U CN 206972952 U CN206972952 U CN 206972952U
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- China
- Prior art keywords
- flashboard
- bonnet
- valve
- valve body
- valve rod
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Abstract
It the utility model is related to valve technology field, and in particular to a kind of gate valve.Valve body including three-port structure, the bonnet covered on valve body, valve rod and flashboard, body top is provided with opening, bonnet is covered on body top, through hole is provided with the top of bonnet, valve rod is connected through through hole and valve rod lower end with flashboard, flashboard and part valve rod are located in the cavity that bonnet is formed with valve body, in the through hole of bonnet airtight and watertight padding is filled with valve rod the week side of boss, hold-down grid is provided with the via openings of bonnet, valve rod top is located at bonnet and is externally provided with handwheel, is to be detachably connected between hold-down grid, bonnet and valve body；Flashboard bottom is the circular arc to match with valve interior wall, and flashboard top is square, and valve interior wall is provided with the seal groove to match with flashboard, and the sealing ring to match with flashboard is provided with seal groove.For valve in standard-sized sheet, passage is more smooth, flow resistance coefficient and pressure loss very little, and pipeline can be cleaned by ball top, service life length.
Description
Technical field
It the utility model is related to valve technology field, and in particular to a kind of gate valve.
Background technology
Gate valve（gate valve）It is an opening and closing element flashboard, the direction of motion and flow direction of flashboard are perpendicular, gate valve
Standard-sized sheet and fully closed can only be made, when gate valve is closed, sealing surface seals by pressure medium, and gate valve is in the fabrication process due to sealing
Face can produce angular deviation in process, cause easily to grind because of sealing surface angular deviation and sealing surface during long-term use
Damage cause sealing effectiveness reduce and service life shorten, meanwhile, current gate valve due at valve body flow resistance coefficient it is larger, pressure
Loss is very big, and is unfavorable for ball top and cleans pipeline.Therefore, the prior art is defective, it is necessary to enter an improve and perfect.
The content of the invention
The purpose of this utility model is described above in order to solve the problems, such as, there is provided a kind of gate valve.
In order to reach above-mentioned purpose of utility model, the utility model uses following technical scheme：
A kind of gate valve, including the valve body of three-port structure, the bonnet covered on valve body, valve rod and flashboard, body top are set
There is opening, bonnet is covered on body top, and through hole is provided with the top of bonnet, and valve rod is connected through through hole and valve rod lower end with flashboard,
Flashboard and part valve rod are located in the cavity that bonnet is formed with valve body, are filled out in the through hole of bonnet in valve rod the week side of boss filled with sealing
Expect, be provided with hold-down grid at the via openings of bonnet, valve rod top is located at bonnet and is externally provided with handwheel, hold-down grid, bonnet and valve
It is to be detachably connected between body；Flashboard bottom is the circular arc to match with valve interior wall, and flashboard top is square, valve interior wall
Provided with the seal groove to match with flashboard, the sealing ring to match with flashboard is provided with seal groove.
Preferably, the sealing gasket is provided with indent and is the sealing surface of arc, flashboard edge and sealing surface phase
Match somebody with somebody.
Preferably, the sealing ring is copper or aluminum.
Preferably, sealed batten is provided with the sealing surface, sealed batten and sealing surface arc are excessive, flashboard week
Side is provided with the sealed groove to match with sealed batten.
Preferably, the bonnet inner top is provided with seal receptacle in through hole.
Preferably, it is additionally provided with filler pressing sleeve under the hold-down grid.
Preferably, the valve body is provided with gasket seal with bonnet contact surface, and gasket seal is metal corrugated gasket.
Preferably, flashboard top both sides are provided with guide groove, and valve body upper inside wall is provided with to match with guide groove
Gib block.
Preferably, flashboard thickness is up big and down small structure, and thickness is gradually excessive from top to bottom.
Compared with prior art, beneficial effect is the utility model：For valve in standard-sized sheet, passage is more smooth, flow resistance system
Number and pressure loss very little, and pipeline can be cleaned by ball top.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is valve inner structural representation of the present utility model；
Fig. 3 is the utility model flashboard side structure schematic diagram；
Fig. 4 is the structural representation of the utility model flashboard.
In figure：1 valve body, 2 bonnets, 3 valve rods, 4 flashboards, 5 through holes, 6 airtight and watertight paddings, 7 hold-down grids, 8 handwheels, 9 seal grooves,
10 sealing rings, 11 sealing surfaces, 12 sealed battens, 13 sealed grooves, 14 seal receptacles, 15 filler pressing sleeves, 16 gasket seals.
Embodiment
Explanation is further described to the technical solution of the utility model below by specific embodiment.
Embodiment：
A kind of gate valve, as shown in figure 1, the valve body 1 including three-port structure, the bonnet 2 covered on valve body 1, valve rod 3 and lock
Plate 4, the top of valve body 1 are provided with opening, and the opening at the top of valve body 1 is used to accommodate valve rod 3 and flashboard 4, and bonnet 2 is covered on valve body 1 and pushed up
Portion, the top of bonnet 2 are provided with through hole 5, and valve rod 3 is connected through through hole 5 and the lower end of valve rod 3 with flashboard 4, flashboard 4 and part valve rod 3
In in the cavity that bonnet 2 and valve body 1 are formed, when the valve rod 3 drives flashboard 4 to move upwards, open mode totally is in, i.e.,
The both ends of valve body 1 communicate, and valve rod 3 and flashboard 4 are located at 1 open-topped top of valve body；When valve rod 3 drives the flashboard 4 to transport downwards
When moving to bottom so that the flashboard 4 is closed.
Airtight and watertight padding 6 is filled with the week side of boss of valve rod 3 in the through hole 5 of bonnet 2, the opening of through hole 5 of bonnet 2 is provided with filler pressure
Plate 7, in order to strengthen sealing effectiveness, filler pressing sleeve 15 is additionally provided with hold-down grid 7, the inner top of bonnet 2 is provided with close at through hole 5
Seal seat 14.
The top of valve rod 3 is located at bonnet 2 and is externally provided with handwheel 8, is detachably to connect between hold-down grid 7, bonnet 2 and valve body 1
Connect；The bottom of flashboard 4 is the circular arc to match with the inwall of valve body 1, as shown in figure 4, the top of flashboard 4 is square, the inwall of valve body 1 is provided with
The seal groove 9 to match with flashboard 4, is provided with the sealing ring 10 to match with flashboard 4 in seal groove 9, and sealing ring 10 is copper or aluminum,
Sealing ring 10 is integrated with valve body 1 or nested setting.
As shown in figure 1, provided with indent and it is the sealing surface 11 of arc, the edge of flashboard 4 and sealing surface 11 on sealing ring 10
Match.Sealed batten 12 is provided with sealing surface 11, sealed batten 12 is located at the center of sealing surface 11, and the top surface of sealed batten 12 is
Arc surface, sealed batten 12 and the arc of sealing surface 11 are excessive, and it is recessed that 4 weeks sides of flashboard are provided with the sealing to match with sealed batten 12
Groove 13.Flashboard 4 is opened and closed by the cooperation of sealed groove 13 and sealed batten 12 to valve body 1.
As shown in figure 1, valve body 1 is provided with gasket seal 16 with the contact surface of bonnet 2, gasket seal 16 is metal corrugated gasket,
While wave washer can be with sealing function, row buffering is entered to both contacts.
As shown in Figures 2 and 3, the top both sides of flashboard 4 are provided with guide groove 17, and the upper inside wall of valve body 1 is provided with and guiding
The gib block 18 that groove 17 matches, during flashboard 4 is moved upwardly or downwardly by valve rod 3, in order to stablize flashboard 4, avoids lock
Plate wobble effects service life, guide groove 17 and gib block 18 are especially provided with, the movement locus of flashboard 4 can so be carried out
Limit.
The thickness of flashboard 4 is up big and down small structure, and thickness is gradually excessive from top to bottom；The top of sealed batten 12 is located at
In the groove that the sealing surface 11 that the inwall of valve body 1, i.e. sealed batten 12 are fully located at indent is formed.
Final effect is that after the opening of flashboard 4, valve body 1 is smaller to the liquid flow effect in valve body 1, and due to
Overall structure is stable, improves service life.
Claims (8)
1. a kind of gate valve, include the valve body of three-port structure（1）, cover in valve body（1）On bonnet（2）, valve rod（3）And flashboard
（4）, it is characterised in that valve body（1）Top is provided with opening, bonnet（2）It is covered on valve body（1）Top, bonnet（2）Top is provided with logical
Hole（5）, valve rod（3）Through through hole（5）And valve rod（3）Lower end and flashboard（4）It is connected, flashboard（4）With part valve rod（3）Positioned at valve
Lid（2）With valve body（1）In the cavity of formation, bonnet（2）Through hole（5）It is interior in valve rod（3）The week side of boss is filled with airtight and watertight padding（6）,
Bonnet（2）Through hole（5）Top open part is provided with hold-down grid（7）, valve rod（3）Top is located at bonnet（2）It is externally provided with handwheel
（8）, hold-down grid（7）, bonnet（2）And valve body（1）Between be to be detachably connected；Flashboard（4）Bottom is and valve body（1）Inwall
The circular arc of matching, flashboard（4）Top is square, valve body（1）Inwall is provided with and flashboard（4）The seal groove of matching（9）, seal groove
（9）Inside it is provided with and flashboard（4）The sealing ring of matching（10）.
A kind of 2. gate valve according to claim 1, it is characterised in that the sealing ring（10）Provided with indent and it is arc
Sealing surface（11）, flashboard（4）Edge and sealing surface（11）Match.
A kind of 3. gate valve according to claim 1 or 2, it is characterised in that the sealing ring（10）For copper or aluminum.
A kind of 4. gate valve according to claim 1 or 2, it is characterised in that the sealing surface（11）It is interior to be provided with sealed batten
（12）, sealed batten（12）With sealing surface（11）Arc is excessive, flashboard（4）All sides are provided with and sealed batten（12）Match
Sealed groove（13）.
A kind of 5. gate valve according to claim 1, it is characterised in that the bonnet（2）Inner top is in through hole（5）Place is provided with
Seal receptacle（14）.
A kind of 6. gate valve according to claim 1, it is characterised in that the hold-down grid（7）Under be additionally provided with filler pressing sleeve
（15）.
A kind of 7. gate valve according to claim 1, it is characterised in that the valve body（1）With bonnet（2）Contact surface is provided with close
Gasket（16）, gasket seal（16）For metal corrugated gasket.
A kind of 8. gate valve according to claim 2, it is characterised in that the flashboard（4）Top both sides are provided with guide groove
（17）, valve body（1）Upper inside wall is provided with and guide groove（17）The gib block of matching（18）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720465223.4U CN206972952U (en) | 2017-04-28 | 2017-04-28 | A kind of gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720465223.4U CN206972952U (en) | 2017-04-28 | 2017-04-28 | A kind of gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206972952U true CN206972952U (en) | 2018-02-06 |
Family
ID=61412619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720465223.4U Active CN206972952U (en) | 2017-04-28 | 2017-04-28 | A kind of gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206972952U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111022686A (en) * | 2019-12-11 | 2020-04-17 | 铜陵天海流体控制股份有限公司 | Wedge gate valve |
-
2017
- 2017-04-28 CN CN201720465223.4U patent/CN206972952U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111022686A (en) * | 2019-12-11 | 2020-04-17 | 铜陵天海流体控制股份有限公司 | Wedge gate valve |
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| GR01 | Patent grant |