CN204004501U - The piston type filling valve of plane gate - Google Patents
The piston type filling valve of plane gate Download PDFInfo
- Publication number
- CN204004501U CN204004501U CN201420381194.XU CN201420381194U CN204004501U CN 204004501 U CN204004501 U CN 204004501U CN 201420381194 U CN201420381194 U CN 201420381194U CN 204004501 U CN204004501 U CN 204004501U
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- filling valve
- piston
- grid
- valve pipe
- plane gate
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Abstract
The utility model provides a kind of piston type filling valve of plane gate, comprise filling valve pipe, piston and valve rod, filling valve pipe connects and passes plane gate, filling valve pipe is provided with along circumferential uniform grid, the area summation in grid grid hole is greater than the area of filling valve pipe cross section, piston is arranged in filling valve pipe and is slidably matched with the inwall of filling valve pipe, when should meeting piston and make progress slippage, the water-filling stroke of filling valve can cross the residing region of grid completely, the upper end of valve rod connects hoist by pulling box, the lower end of valve rod is connected with piston, piston is arranged with 2 O RunddichtringOs outward.The utility model adopts the mode of grid water inlet to produce effect of energy dissipation, effectively reduce filling valve washing away hole base plate under high-velocity flow effect, when filling valve is closed, can utilize quality of fit and the peripheral twice O RunddichtringO structure arranging of piston between filling valve pipe and piston surface of contact, guarantee that filling valve is completely water-tight.
Description
Technical field
The utility model relates to Hydraulic and Hydro-Power Engineering technical field, relates in particular to the filling valve that plane gate is used.
Background technique
Plane emergency gate and bulkhead gate are equipped with filling valve as bath surge suppressor, and conventional plane gate filling valve has conehead formula filling valve, flat lid type filling valve, gate valve type filling valve, plunger type filling valve at present.In industry, most widely used filling valve is conehead formula filling valve at present, its structure as shown in Figure 1, it clogs the osculum of plane gate by cone valve 1, cone valve 1 is by adjusting bolt 2 cylinder lever connecting rod casees, this structure exists easily and leaks, conehead drops the problems such as risk, in addition, gate valve type filling valve generally should be used in the gate of upstream sealing, and other flat lid type filling valve, plunger type filling valve also exist easily and leak, high-velocity flow is to problems such as hole base plate wash away.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of piston type filling valve of plane gate, is applicable to the plane gate of high head or low water head downstream sealing, can solve the problem in background technique.
The technological scheme that the utility model technical solution problem adopts is: the piston type filling valve of plane gate, described filling valve comprises filling valve pipe, piston and valve rod, described filling valve pipe connects and passes described plane gate, described filling valve pipe is positioned at an end opening of plane gate inner side, its one end that is positioned at plane gate outside is provided with sealing, the tube wall of described filling valve pipe is provided with along circumferential uniform grid, the area summation in described grid grid hole is greater than the area of described filling valve pipe cross section, the internal surface in described grid grid hole adopts fillet chamfering, between described grid grid hole and the tube wall of described filling valve pipe, adopt round-corner transition, described piston is arranged in described filling valve pipe and is slidably matched with the inwall of described filling valve pipe, when should meeting described piston and make progress slippage, the water-filling stroke of described filling valve can cross the residing region of described grid completely, the upper end of described valve rod connects hoist by pulling box, the lower end of described valve rod is connected in described filling valve pipe and with described piston, and described piston is arranged with 2 O RunddichtringOs outward.
When adopting technique scheme, the utility model can also adopt or combine and adopt following further technological scheme: the lower end of described valve rod has the connection part that diameter is greater than described valve rod, the upper surface of described piston is provided with the perforate suitable with the size and shape of described connection part, described connection part is positioned at described perforate, the upper surface of described piston is provided with for spacing half described round clamp, described half round clamp is connected with piston with screw, make described half round clamp push down the bulb of described valve rod, between described half round clamp and described piston, be provided with water seal rubber layer.
The bottom of described pulling box is provided with free bearing plate, the top of described valve rod by stud connection on free bearing plate.
Described filling valve pipe and piston all adopt stainless steel material to make.
The beneficial effects of the utility model are: filling valve of the present utility model adopts grid energy dissipating piston type filling valve, the valve pipe of filling valve passes across plane gate and outer tube wall is fixedly connected on plane gate, on the valve pipe of filling valve, can be divided into piston standard-sized sheet district, trash rack district and piston complete shut-down district, piston is driven in filling valve pipe and is pumped by pulling box by hoist, when piston is below grid, while being piston complete shut-down district, now filling valve is completely closed, piston is because the installation precision of self and the interaction energy of two-layer O type circle are guaranteed to seal completely water-tight, when piston is completely above grid areas, be piston standard-sized sheet district, now filling valve can fully be intake and be realized water-filling concora crush.The utility model is particularly useful for the plane gate of high head or low water head downstream sealing, the low water head gate that inapplicable floating debris is more.
The utility model compared with prior art has the following advantages:
1, when filling valve is closed, can utilize quality of fit and the peripheral twice O RunddichtringO structure arranging of piston between filling valve pipe and piston surface of contact, guarantee that filling valve is completely water-tight;
2, adopt the mode of grid water inlet can produce effect of energy dissipation, can effectively reduce like this filling valve washing away hole base plate under high-velocity flow effect;
3, at piston upper surface, one deck water seal rubber layer is set, when gate is during in high concentration of sediment basin, water seal rubber layer can effectively cut off silt, prevents that it from entering piston being slidably matched between piston itself and piston and filling valve pipe impacted;
4, the valve rod of filling valve adopts stud connection structure with being connected of pulling box, avoids the risk because of the loosening filling valve valve body accidental causing of valve rod upper cap nut;
5, the grid hole inwall of all grids all carries out rounding processing, makes to be round-corner transition between grid and the tube wall of filling valve pipe, effectively prevents the wearing and tearing of O RunddichtringO when through grid areas.
Accompanying drawing explanation
Fig. 1 is the structural representation of conehead formula filling valve in background technique.
Fig. 2 is the overall structure schematic diagram of the utility model filling valve, and filling valve complete shut-down position operating mode is shown.
Fig. 3 is the overall structure schematic diagram of the utility model filling valve, and filling valve fully open position operating mode (water-filling operating mode) is shown, and in figure, arrow represents water (flow) direction.
Fig. 4 is filling valve pipe schematic diagram of the present utility model, and filling valve tubular construction is shown.
Number in the figure: 1-cone valve, 2-adjusting bolt, 3-plane gate, 4-filling valve pipe, 5-piston, 6-valve rod, 7-grid, 8-cotter pin, 9-pulling box, 10-valve rod bulb, 11-perforate, 12-half round clamp, 13-screw, 14-water seal rubber layer, 15-hinge, 16-connecting plate, 17-O shape seal ring, the water seal of 18-sealing.
Embodiment
With reference to accompanying drawing.
The plane gate 3 of piston type filling valve special use of the present utility model and Hydraulic and Hydro-Power Engineering, filling valve comprises valve pipe 4, piston 5 and valve rod 6, filling valve pipe 4 connects and passes plane gate 3, filling valve pipe 4 is weldingly fixed on plane gate 3, filling valve pipe 4 is positioned at an end opening of plane gate 3 inner sides, can be for water inlet, it is positioned at an end closure in plane gate 3 outsides, the tube wall of filling valve pipe 4 is provided with along its circumferential uniform grid 7, the area summation in the grid hole of grid 7 should be greater than the cross sectional area of filling valve pipe 4, when guarantee filling valve is opened like this, there are enough filled water amount, guarantee water-filling efficiency, the water-filling stroke of filling valve should meet piston 5 can cross the residing region of grid 7 completely when making progress slippage, guarantee that grid 7 is abundant opening at water-filling concora crush can to so the enough spaces of piston 5.
Piston 5 is arranged in filling valve pipe 4, and be slidably matched with the inwall of filling valve pipe 4, piston 5 and filling valve pipe 4 all adopt stainless steel material to make, on the one hand can guarantee surface Machining precision, the effect that is slidably matched that in use prevents from the other hand getting rusty and material is rotten etc. between cause influence piston 5 and filling valve pipe 4.
The upper end of valve rod 6 is also connected hoist by pulling box 9 by hinge 15 with free bearing plate 16, the lower end of valve rod 6 connects in filling valve pipe 4 and in piston 5, the lower end of valve rod 6 has diameter and is greater than the valve rod bulb 10 of valve rod 6 own, the upper surface of piston 5 is provided with the perforate 11 suitable with valve rod bulb 10 size and shapes, valve rod bulb 10 is positioned at perforate 11, the upper surface of piston 5 is provided with half round clamp 12 for spacing valve rod 6, half round clamp 12 will be for fixing with piston 5 by valve rod 6, half round clamp 12 is connected with piston 5 by screw 13, between half round clamp 12 and piston 5, be provided with water seal rubber layer 14, between half round clamp 12 and piston 5, be provided with water seal rubber layer 14, half round clamp 12 is pushed down valve rod bulb 10 and water seal rubber layer 14, water seal rubber layer 14 can play a protective role to piston 5, in high concentration of sediment basin, can effectively cut off silt, affect the precision that is slidably matched between piston 5 and valve pipe 4.
Pulling box 9 hanging axises adopt elliptical aperture design to can be used for preventing that piston 5 from excessively rising, and the bottom of pulling box 9 is provided with hinge plate 16, and the top of valve rod 6 is arranged on free bearing plate 16 by hinge 15, be provided with cotter-pin hold and prevent hinge disengagement with cotter pin 8 on hinge 15.Adopt hinge structure that valve rod 6 is installed, can avoid in prior art because of the loosening risk that causes filling valve accidental of the attaching nut on valve rod 6.
Piston 5 outer is arranged with two O RunddichtringOs 17; guarantee the sealing that is slidably matched between piston 5 and filling valve pipe 4; and; in order to prevent that O RunddichtringO from wearing and tearing when moving to grid 7 region; the grid internal surface of hole of all grids 7 adopts fillet chamfering; between the grid hole of grid 7 and the tube wall of filling valve pipe 4, adopt round-corner transition, as shown in Figure 4.
Piston type filling valve pipe 4 of the present utility model is interior can be divided into 3 regions artificially, the region at grid 7 places is grid inhalant region, the part of grid 7 tops becomes piston standard-sized sheet district, the region of grid 7 belows becomes piston complete shut-down district, normal conditions lower piston 5 is in piston complete shut-down district, now filling valve cuts out completely, and there is good sealing, when needs are opened plane gate and are carried out water-filling concora crush, by the hoist (manipulator that plane gate is conventional, not shown) while pulling piston 5 to move up to grid 7 top by pulling box 9, filling valve is in full open position, now the water in reservoir can flow into by the grid hole of grid 7, filling valve pipe 4 by bottom can carry out water-filling concora crush.
Claims (4)
1. the piston type filling valve of plane gate, it is characterized in that: described filling valve comprises filling valve pipe, piston and valve rod, described filling valve pipe connects and passes described plane gate, described filling valve pipe is positioned at an end opening of plane gate inner side, it is positioned at an end closure in plane gate outside, the tube wall of described filling valve pipe is provided with along circumferential uniform grid, the area summation in described grid grid hole is greater than the area of described filling valve pipe cross section, the internal surface in described grid grid hole adopts fillet chamfering, between described grid grid hole and the tube wall of described filling valve pipe, adopt round-corner transition, described piston is arranged in described filling valve pipe and is slidably matched with the inwall of described filling valve pipe, when should meeting described piston and make progress slippage, the water-filling stroke of described filling valve can cross the residing region of described grid completely, the upper end of described valve rod connects hoist by pulling box, the lower end of described valve rod is connected in described filling valve pipe and with described piston, and described piston is arranged with 2 O RunddichtringOs outward.
2. the piston type filling valve of plane gate as claimed in claim 1, it is characterized in that: the lower end of described valve rod has the valve rod bulb that diameter is greater than described valve rod, the upper surface of described piston is provided with the perforate suitable with the size and shape of described connection part, described connection part is positioned at described perforate, the upper surface of described piston is provided with for spacing half described round clamp, described half round clamp is connected with piston by screw, between described half round clamp and described piston, is provided with water seal rubber layer.
3. the piston type filling valve of plane gate as claimed in claim 1, is characterized in that: the bottom of described pulling box is provided with free bearing plate, the top of described valve rod by stud connection on free bearing plate.
4. the piston type filling valve of plane gate as claimed in claim 1, is characterized in that: described filling valve pipe and piston all adopt stainless steel material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420381194.XU CN204004501U (en) | 2014-07-10 | 2014-07-10 | The piston type filling valve of plane gate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420381194.XU CN204004501U (en) | 2014-07-10 | 2014-07-10 | The piston type filling valve of plane gate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204004501U true CN204004501U (en) | 2014-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420381194.XU Active CN204004501U (en) | 2014-07-10 | 2014-07-10 | The piston type filling valve of plane gate |
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| CN (1) | CN204004501U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106120672A (en) * | 2016-08-23 | 2016-11-16 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of method and device improving extra-high pressure gate filling valve sealing |
-
2014
- 2014-07-10 CN CN201420381194.XU patent/CN204004501U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106120672A (en) * | 2016-08-23 | 2016-11-16 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of method and device improving extra-high pressure gate filling valve sealing |
| CN106120672B (en) * | 2016-08-23 | 2018-06-05 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of method and device for improving extra-high pressure gate filling valve leakproofness |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |