CN2045404U - Delay self-closed flush valve - Google Patents
Delay self-closed flush valve Download PDFInfo
- Publication number
- CN2045404U CN2045404U CN 89202763 CN89202763U CN2045404U CN 2045404 U CN2045404 U CN 2045404U CN 89202763 CN89202763 CN 89202763 CN 89202763 U CN89202763 U CN 89202763U CN 2045404 U CN2045404 U CN 2045404U
- Authority
- CN
- China
- Prior art keywords
- valve
- cup
- shaped
- piston
- flushing
- 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 - Lifetime
Links
- 238000007789 sealing Methods 0.000 claims abstract description 34
- 238000011010 flushing procedure Methods 0.000 claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000011148 porous material Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 230000002349 favourable effect Effects 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 230000008859 change Effects 0.000 description 5
- 230000009467 reduction Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- Self-Closing Valves And Venting Or Aerating Valves (AREA)
Abstract
The utility model relates to a time-delay self-closing flushing valve. The press-button of the time-delay self-closing flushing valve is connected with on end of a valve spindle by a screw thread; The other end of the valve spindle which goes through a valve port is connected with the piston in a cyathiform inside covering by a bolt; The piston is looped with a y-shaped sealing ring; the bottom of the cyathiform inside covering has a throttle hole; the valve spindle between the press button and the valve body of a water outlet cavity is sheathed with a reset spring. The time-delay self-closing flushing valve can shut tight when water pipe pressure is zero and has a favorable flushing effect even when water pressure is lower. The flushing time can be changed by the depth of the regulating valve stem in the press-button.
Description
The delay-self-closing flushing valve is applicable to that all kinds of lavatory flushing urinals use, and also is suitable for other timing, quantitative water occasion.
Existing washroom and the supporting all kinds of flushing valves of urinal flushing are broadly divided into two big classes from structure.One class be can not delay-self-closing flushing valve as butterfly valve, ball valve.The required force rate of such flushing valve switch valve is bigger, and can not delay-self-closing, do not meet the washroom hygienic requirements, in the building trade design specifications, stipulated and can not on flushing toilet bowl, use, another kind of be can delay-self-closing flushing valve as plunger type flushing valve, diaphragm type flushing valve.Such flushing valve is to utilize the hydraulic pressure in the water supply pipe to produce pressure reduction in flushing valve valve block both sides, makes the shelves water valve plate in the valve pocket that valve port is turn-offed or opens.Because such flushing valve is the pressure switch valve port by water, so hydraulic pressure can not be too low, otherwise valve port just can't turn-off the formation perennial draingage.In addition, the valve block in the valve is to the mobile inhibition that plays of water, and hydraulic pressure is the flushing toilet bowl poor effect when 0.5 Kilogram Force Per Square Centimeter is following, and the scope of application is narrower.
Also have good developing result, the delay-self-closing flushing valve that the less washing time of operating physical force is adjustable when also can close port hydraulic pressure when task of the present utility model provides a kind of hydraulic pressure and is zero being 0.3 Kilogram Force Per Square Centimeter.
Its solution is:
Under the flushing valve valve port, be equipped with in the intake antrum one with coaxial cup-shaped of valve port in cover, cover rim of a cup place has intercommunicating pore cup-shaped in, has a throttle orifice bottom the cover in cup-shaped.The upper end of a valve rod is connected with button with screw thread, the lower end of valve rod pass valve port and cup-shaped in piston in the cover with a screw attachment, one of suit does not wait the y-shaped sealing ring of pin on the piston external diameter, is with a back-moving spring on the valve rod of the news of button and water chamber valve body.During normality, the outer lip limit of y-shaped sealing ring is close on the inwall of cup-shaped interior cover, and the upper surface of y-shaped sealing ring epipharynx is close to the valve port lower end.
During use, thereby press down button valve rod, piston, y-shaped sealing ring are moved down, valve port is opened, and intake antrum and water chamber conducting water flow out, the outer lip that water in simultaneously cup-shaped in the cover is pushed y-shaped sealing ring open flows out, and y-shaped sealing ring plays the one way valve effect.
After external force was removed, back-moving spring moved up button, wealthy bar, piston, y-shaped sealing ring.At this moment, the only reliable interior cover of the water bottom throttle orifice in the cup-shaped interior cover inwardly flows into.In the cover throttle orifice size decision water filling speed, also determine the time that piston, y-shaped sealing ring reset.
Another improvement of the present utility model is: the screw that connects valve rod and piston is that the screw thread rear portion is arranged is the screw of polished rod in a front portion, be with the sealing ring of a diameter greater than piston center connecting hole on polished rod, the length of screw polished rod is greater than the length of piston center connecting hole and the thickness sum of sealing ring.
The utility model further improves: valve rod is torqued in the button centre bore by screw thread, changes valve rod and can regulate the flushing valve delay-self-closing time in the length of button centre bore.
The utility model great advantage is: valve body is equipped with back-moving spring, when water supply pipe pressure is zero, and also can the tight closing valve port.Guide's device is housed in the valve, only needs less power just can open valve.The flowability of water improves, and hydraulic pressure also has good developing result when low.
Below in conjunction with accompanying drawing the utility model is done and to be described in further detail:
Fig. 1 is a structural representation of the present utility model.
Be threaded with valve rod (3) with reference to Fig. 1, delay-self-closing flushing valve button (1), go up suit back-moving spring (2) at button (1) and the valve rod (3) in the water chamber valve body (4).In intake antrum valve body (7), be equipped with one with coaxial cup-shaped of valve port (5) in cover (8), valve rod (3) passes cup-shaped interior cover (8), valve port (5) is connected with screw (11) with piston (7), screw (11) threaded end is torqued in the valve rod (3), and another polished end of screw (11) is sealed in the centre bore of piston (7) by " O " shape sealing ring (13).Be equipped with on the piston (7) and do not wait the y-shaped sealing ring of pin, cup-shaped interior cover (8) bottom has throttle orifice (10).
Under the normality, back-moving spring (2) pushes away button (1), valve rod on (3), valve rod (3) interlock screw (11), O-ring seals (13), piston (7), y-shaped sealing ring push away on (6), and the slit between screw (11) and the piston (7) is by the sealing of " O " shape sealing ring.At this moment, y-shaped sealing ring (6) epipharynx upper surface is close on the valve port (5), and not water outlet is turn-offed in flushing valve.
Push button (1), at first valve rod (3) interlock screw (11) moves down, destroy the sealing function of sealing ring (13), the water in the cup-shaped interior cover (8) flows in the water chamber valve body (4) by the slit between screw (11) and the piston (7).The pressure of water reduction in the cover (8) in this moment is cup-shaped, valve rod (3) presses down piston (7) again and is enclosed within y-shaped sealing ring (6) on the piston (7), the gap appears between the epipharynx upper surface of y-shaped sealing ring (6) and the valve port (5), water in the intake antrum valve body (9) flows into out the water control valve body (4) from valve port (5) by this gap, and flushing valve is opened.When valve port (5) was opened, the outer lip that the water in the cup-shaped interior cover (8) is pushed y-shaped sealing ring (6) open flowed out, and at this moment, y-shaped sealing ring (6) has played one way valve.
After external force was removed, back-moving spring (2) made button (1), valve rod push away on (3) that " O-ring seals (13) is with gap sealing between screw (11) and the piston (7).The outer lip of y-shaped sealing ring (6) tightly is attached to again on cup-shaped interior cover (8) inwall and plays sealing function, water in the intake antrum valve body (9) slowly injects cup-shaped interior cover (8) by cover (8) bottom throttle orifice (10) in cup-shaped, y-shaped sealing ring (6), piston (7), valve rod (3) slowly move up, tightly be pressed in again on the valve port (5) until y-shaped sealing ring (6) epipharynx upper surface, close flushing valve, this process is " delay-self-closing ".
As change flushing valve " delay-self-closing " time, and can change the size of cup-shaped interior cover (8) bottom throttle orifices (10), also can change different " delay-self-closing " time of size adjustment in valve body (3) the insertion button (1).
As change valve rod (3) and be torqued into size in the button (1), can change the distance between button (1) and the water chamber valve body (4), it is dark that valve rod (3) is torqued into button (1), distance between button (1) and the water chamber valve body (4) is just short, the stroke of button (1) is short, the stroke that piston (7), y-shaped sealing ring (6) overlap in cup-shaped in (8) is short, and " delay-self-closing " time is short.It is shallow that valve rod (3) is torqued into button (1), and the stroke of button (1) is long, and the stroke that piston (7), y-shaped sealing ring (6) overlap in (8) in cup-shaped is long, and " delay-self-closing " time is long.
Claims (5)
1, the delay-self-closing flushing valve, back-moving spring of suit on the valve rod in button and water chamber valve body, valve port is passed in the lower end of valve rod, and be connected the valve port upside with piston be water chamber, the valve port downside is an intake antrum, it is characterized in that: in intake antrum valve body (9), one and valve rod (3) are equipped with in valve port (5) bottom, the cup-shaped interior cover (8) that valve port (5) is coaxial, cover (8) rim of a cup place has intercommunicating pore (12) in cup-shaped, the cup bottom of cover (8) has throttle orifice (10) in cup-shaped, in the cover (8) piston (7) is housed in cup-shaped, do not wait the y-shaped sealing ring of pin (6), piston (7) is connected with valve rod (3) with screw (11), and valve rod (3) is torqued in button (1) centre bore with screw thread.
2, flushing valve according to claim 1, it is characterized in that: piston (7) is two separate piece with valve rod (3), screw (11) end of thread is torqued into valve rod (3) lower end, and screw (11) polished end is inserted in the centre bore of piston (7).
3, according to claim 1 or 2 flushing valves of being gone back, it is characterized in that: screw (11) polished end suit " O " shape sealing ring (13).
4, flushing valve according to claim 1 and 2, it is characterized in that: do not wait under the y-shaped sealing ring of pin (6) normality, its outer lip limit is close on cup-shaped interior cover (8) inwall, and its epipharynx upper surface is close on the valve port (5).
5, flushing valve according to claim 3, it is characterized in that: do not wait under pin y shape sealing ring (6) normality, its outer lip limit be close to cup-shaped in the cover (8) inwall on its outer lip upper surface be close on the valve port (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89202763 CN2045404U (en) | 1989-03-10 | 1989-03-10 | Delay self-closed flush valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89202763 CN2045404U (en) | 1989-03-10 | 1989-03-10 | Delay self-closed flush valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2045404U true CN2045404U (en) | 1989-10-04 |
Family
ID=4860446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 89202763 Expired - Lifetime CN2045404U (en) | 1989-03-10 | 1989-03-10 | Delay self-closed flush valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2045404U (en) |
-
1989
- 1989-03-10 CN CN 89202763 patent/CN2045404U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |