CN2869467Y - Float valve - Google Patents
Float valve Download PDFInfo
- Publication number
- CN2869467Y CN2869467Y CN 200620039268 CN200620039268U CN2869467Y CN 2869467 Y CN2869467 Y CN 2869467Y CN 200620039268 CN200620039268 CN 200620039268 CN 200620039268 U CN200620039268 U CN 200620039268U CN 2869467 Y CN2869467 Y CN 2869467Y
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- water
- piston
- valve body
- connecting rod
- valve
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- Expired - Fee Related
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- Float Valves (AREA)
Abstract
The utility model provides a new floating valve and belongs to mechanical technology field; the mechanical technology can resolve the technical problems of existing floating valve with complex structure and slow effluent water. The new floating valve comprises valve body, the valve body is cylinder, a water hole is arranged in the cylinder through the two ends, one end of the water hole is connected with the feed water tube, the water hole has piston, the piston is frustum cone and the smaller one end is in the water hole and the end with large outside diameter is located at outside of water hole. The outer end of piston is articulated with connecting rod and the other end of connecting rod is connected with floating ball, the valve body has fixed with a cord and the other end of the cords connected with cord. The structure of floating valve is simple with rational designed, best sealing result, smooth water flow, high working stability and best water stop result.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of valve, relates in particular to the float valve that uses in a kind of water tank.
Background technique
The float valve that uses on water tank, water tower and the water closet adopts lever principle more at present, and valve block is set in valve body, and the folding of valve block is by the drive of floating of ball float, and whole system is utilized buoyancy of water control.The method of sealing also has two kinds, a kind of horizontal sealing identical with water (flow) direction, be provided with piston at the water outlet oral-lateral exactly, for example the someone has applied for patent: " vertical lifting float valve (ZL9620848.4) ", it comprises the valve body of a cavity, the bottom of valve body is provided with the water inlet, and its left and right sides is provided with the osculum that communicates with the water inlet.Also be provided with a motion stops moving up and down in the valve body, the middle part of motion stops has the water-guiding hole that runs through its two ends, and the outside of the motion stops connecting rod that is being connected, connecting rod pass its external part of osculum ball float that is being connected.Ball float was followed and is moved when water level rose, and ball float drives on the motion stops by connecting rod and moves, and moved the water-guiding hole top of back on it on the motion stops and contacted with the valve cavity top, and water-guiding hole is blocked, and made the not water flowing of this float valve be closed condition.Certainly, when the water surface does not contact with ball float, water just successively through the water inlet, water-guiding hole, osculum inject retaining place.
As can be seen, water moves on the ball float and float valve is closed after in a single day holding and expiring.But, can directly it be contacted with valve cavity when water pressure is excessive in the pipeline, water-guiding hole is blocked.Obviously, retaining place water does not hold when full, and float valve has just been closed automatically, and operational safety is not high.Simultaneously, also be provided with positioning adapter and some seal rings in order to increase its sealability in this float valve, and the osculum on the positioning adapter aligns with the osculum of valve body again, therefore, this floating ball valve structure complexity, manufacture cost is higher.
Another kind is the vertical sealing vertical with water (flow) direction, for example the someone has applied for patent: " vertically formula automatic water stopping float valve (ZL97215502.3) ", perpendicular to water (flow) direction one conical cavity is arranged in this float valve valve body, the one taper sealing pin moving up and down that matches is with it arranged in the conical cavity, outside valve body, also be provided with a connecting rod, the middle part of connecting rod is hinged on the valve body, an end of the connecting rod ball float that is being connected, the other end can with the sealing pin contacts.Owing to also be provided with spring in the valve body, the two ends of spring act on sealing pin bottom and bottom, the interior water port of valve body respectively, and therefore, when ball float did not contact with the water surface, taper sealing pin was subjected to move on the spring force, and float valve is opening state, and current are unimpeded.Contact after water level rises and with ball float, ball float floats with water level, and the ball float drivening rod is swung around the hinged place, the other end of connecting rod is with regard to the bottom when obviously putting on the ball float, the connecting rod of the bottom is just depressed taper sealing pin, cuts off current by the sealing pin that moves down, and reaches the sealing purpose.Though this structure stagnant water effect is good, moves by spring force on the taper sealing pin and realize.Because float valve acts frequently, use the elastic force of a period of time rear spring to weaken, the sealing pin moves on just can not be fully, influences water-outlet quantity.The sealing pin does not move on not understanding when serious, and causes float valve to be closed always, can't finish the retaining operation.
Summary of the invention
The utility model mainly provides a kind of simple in structure, and water inlet and outlet is smooth and easy, replaceable parts, the novel float valve of good sealing effect; Solve existing floating ball valve structure complexity, the technical problem that water inlet and outlet slowly waits.
The utility model also provides a kind of simultaneously can make things convenient for sealing, and the effect of sealing is also fine simultaneously, the novel float valve that valve body is not easy to lose efficacy; Solved that existing valve body lost efficacy easily in the prior art, the technical problem that sealing effect is bad.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: a kind of novel float valve, comprise valve body, valve body is cylindric its inside and is provided with the water port that connects its two ends, one end of water port and inlet pipeline are connected, be provided with piston in the water port, it is characterized in that, described piston is circular cone shape, the less end of its external diameter is positioned at the water port, the end that its external diameter is bigger is positioned at outside the water port, the outer end of above-mentioned piston is hinged on the connecting rod, and an end of connecting rod is provided with ball float, and the other end is hinged on the valve body.
In above-mentioned novel float valve, the rope that is being connected on the described valve body, the other end of rope is connected on the connecting rod.
In above-mentioned novel float valve, described piston is inner to be provided with sealing gasket with contacted upper-end surface, water port, and water port and piston contacting point are provided with projection, and projection can contact with the sealing gasket cooperation.
This novel float valve is arranged on the inlet pipeline of water tower, water tank or water closet.Cavity in the valve body is cylindrical, and its piston is circular cone shape, matches with valve body, can better block the water port; Water inlet and outlet is also more smooth and easy simultaneously.Upper-end surface at piston is provided with rubber gasket, has strengthened sealing effect, in the place that cooperates with sealing gasket projection is set simultaneously, and projection is connected on the sealing gasket, closely cooperates with sealing gasket, and sealing effect is better.After water level rose, buoyancy held up ball float, and the ball float drivening rod is swing upwards, and piston hinged on the connecting rod is along with moving up, and piston the inner moves to the place, water port, and sealing gasket is tight against on projection on it, thereby the water port is blocked, and made it can't water flowing.
Water level reduces and when contact with ball float, ball float falls, and connecting rod is along with the bottom, the high spot of piston disengaging water port.As can be seen, this moment, piston did not form sealing, and water can enter to retaining place through this float valve.Certainly, rope is held it during the connecting rod bottom, thereby the amplitude of fluctuation of limiting rod avoids connecting rod swing can't continue swing to the dead point.
The Placement of connecting rod and valve body can be known any way, as hinged, and bolt connection etc.In above-mentioned novel float valve, a side of the outer surface of described valve body water outlet one end is provided with the arc extension, and above-mentioned rod hinge connection is on this arc extension.
Rope can be a tightrope, stone dead wire or plastic rope etc., and in above-mentioned novel float valve, described rope is a tightrope, the length of rope is less than the movement travel of piston in valve body.After water was expired in the water tank, ball float floated, and rope is relaxed state, and after water flowed out, ball float fell, and rope is stretching.Rope was held it when ball float and connecting rod hung down certain limit, prevented that it from entering the swing dead point.Thereby the stroke of energy better controlled piston in valve cavity is unlikely to make piston to skid off cavity and causes float valve to lose efficacy.
Sealing gasket on the piston can be the outer surface of solderless wrapped connection at piston, also can be to be connected in its surperficial groove, and in above-mentioned novel float valve, the upper-end surface of described piston is provided with gasket slot, is provided with sealing gasket in it, and sealing gasket is the catwalk shape.Fluting is placed sealing gasket on piston, can be so that sealing gasket closely be connected difficult drop-off with piston, thus the assurance sealing effect; Sealing gasket is T-shaped, and T shape both sides extension edge just in time closely cooperates with projection.
Therefore, the utlity model has simple in structure, reasonable in design, good sealing effect, water inlet and outlet is smooth and easy, member can be changed, lever can not swung and enter the dead point, good operating stability, advantage such as stagnant water effect is good.
Description of drawings
Fig. 1 is the form structure schematic representation of novel float valve of the present utility model.
Fig. 2 is the cross-sectional view along Fig. 1.
Fig. 3 is the cross-sectional view of the connecting rod bottom among Fig. 2.
Among the figure, 1, valve body; 11, water port; 12, projection; 13, extension; 14, water outlet; 2, piston; 21, gasket slot; 3, connecting rod; 4, ball float; 5, rope; 6, sealing gasket.
Embodiment
As depicted in figs. 1 and 2, this novel float valve comprises a columnar valve body 1, and the inside of valve body 1 is for connecting the water port 11 at its two ends.The upper end of valve body 1 water port 11 is connected with the inlet pipeline of water tower, water tank or water closet, and the water outlet 14 of lower end is positioned at retaining place of water tower, water tank or water closet.
Be provided with a piston 2 in the water port 11, piston 2 is circular cone shape.The less end of piston 2 external diameters is positioned at water port 11, and the end that external diameter is bigger is positioned at outside the water port 11, and the end opposite that the outer end of piston 2 promptly is positioned at water port 11 is hinged on the connecting rod 3.
One end of connecting rod 3 ball float 4 that is being connected, the other end is hinged on the valve body 1.In the present embodiment, valve body 1 is provided with an arc extension 13, and this extension 13 is positioned at the outer surface at water outlet 14 places of valve body 1, and above-mentioned connecting rod 3 just is hinged on this extension 13.And, being connected a rope 5 between connecting rod 3 and the valve body 1, the length of this rope 5 is less than the movement travel of piston 2 in valve body 1.In the present embodiment, what rope 5 adopted is the nylon tightrope.
In order to increase the sealing of this novelty float valve, be provided with a gasket slot 21 in the upper-end surface of piston 2, be provided with a sealing gasket 6 that is the catwalk shape in the sealing pad groove 21; Water port 11 is provided with projection 12 with the contacting point of piston 2.Obviously, projection 12 contacts the back with sealing gasket 6 and just water port 11 is blocked firmly, makes this novelty ball valve be closed condition.
As shown in Figure 2, after the water level in water tower, water tank or the water closet rises, buoyancy holds up ball float 4, ball float 4 upwards swings of drivening rod 3, piston 2 hinged on the connecting rod 3 is along with moving up, and piston 2 the inners move to 11 places, water port, and sealing gasket 6 is tight against on projection 12 on it, thereby water port 11 is blocked, made it can't water flowing.
As shown in Figure 3, water level reduces and when contact with ball float 4, ball float 4 falls, and connecting rod 3 is along with the bottom, projection 12 places of piston 2 disengaging water ports 11.As can be seen, this moment, piston 2 did not form sealing, and water can enter to the place that needs retaining through the water port 11 of this float valve.Certainly, rope 5 is held it during connecting rod 3 bottoms, thereby the amplitude of fluctuation of limiting rod 3 is avoided connecting rod 3 to be rocked to the dead point and can't be continued swing.
Claims (6)
1, a kind of novel float valve, comprise valve body (1), valve body (1) is cylindric its inside and is provided with the water port (11) that connects its two ends, one end of water port (11) and inlet pipeline are connected, be provided with piston (2) in the water port (11), it is characterized in that, described piston (2) is circular cone shape, the less end of its external diameter is positioned at water port (11), the end that its external diameter is bigger is positioned at outside the water port (11), the outer end of above-mentioned piston (2) is hinged on the connecting rod (3), and an end of connecting rod (3) is provided with ball float (4), and the other end is hinged on the valve body (1).
2, novel float valve according to claim 1 is characterized in that, the rope (5) that is being connected on the described valve body (1), and the other end of rope (5) is connected on the connecting rod (3).
3, novel float valve according to claim 1 and 2, it is characterized in that, described piston (2) is inner to be provided with sealing gasket (6) with contacted upper-end surface, water port (11), water port (11) is provided with projection (12) with piston (2) contacting point, and projection (12) can contact with sealing gasket (6) cooperation.
4, novel float valve according to claim 1 and 2 is characterized in that, a side of the outer surface of described valve body (1) water outlet (14) one ends is provided with arc extension (13), and above-mentioned connecting rod (3) is articulated on this arc extension (13).
5, novel float valve according to claim 2 is characterized in that, described rope (5) is a tightrope, and the length of rope is less than the movement travel of piston (2) in valve body (1).
6, novel float valve according to claim 3 is characterized in that, the upper-end surface of described piston (2) is provided with gasket slot (21), is provided with sealing gasket (6) in it, and sealing gasket (6) is the catwalk shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620039268 CN2869467Y (en) | 2006-01-26 | 2006-01-26 | Float valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620039268 CN2869467Y (en) | 2006-01-26 | 2006-01-26 | Float valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2869467Y true CN2869467Y (en) | 2007-02-14 |
Family
ID=37724402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620039268 Expired - Fee Related CN2869467Y (en) | 2006-01-26 | 2006-01-26 | Float valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2869467Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103335161A (en) * | 2013-06-04 | 2013-10-02 | 杭州润博流体设备有限公司 | Vacuum suppressor |
| CN109027257A (en) * | 2018-09-14 | 2018-12-18 | 中科隆声科技有限公司 | A kind of no back pressure dehydration valve and mechanical automatic dewatering device |
-
2006
- 2006-01-26 CN CN 200620039268 patent/CN2869467Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103335161A (en) * | 2013-06-04 | 2013-10-02 | 杭州润博流体设备有限公司 | Vacuum suppressor |
| CN109027257A (en) * | 2018-09-14 | 2018-12-18 | 中科隆声科技有限公司 | A kind of no back pressure dehydration valve and mechanical automatic dewatering device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070214 |