CN202302163U - Pressure difference type opening-closing water saving valve - Google Patents
Pressure difference type opening-closing water saving valve Download PDFInfo
- Publication number
- CN202302163U CN202302163U CN2011203815862U CN201120381586U CN202302163U CN 202302163 U CN202302163 U CN 202302163U CN 2011203815862 U CN2011203815862 U CN 2011203815862U CN 201120381586 U CN201120381586 U CN 201120381586U CN 202302163 U CN202302163 U CN 202302163U
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- Prior art keywords
- valve
- seal ring
- water
- seal
- spool
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- Expired - Fee Related
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Abstract
The utility model relates to a valve, and in particular relates to a water valve which is controlled to open and close by water pressure difference, also called a pressure difference type opening-closing water saving valve. The water saving valve mainly comprises a valve body, a valve cover, a pull handle, a valve core and a valve rod, wherein the valve body is provided with a water inlet and a water outlet which are communicated with a valve cavity; the valve core and the valve rod are arranged in the valve body; the periphery of the valve core is of a cylinder shape, and the periphery of the valve core and the inner cavity of the valve cover maintains operation concentricity; the middle of the valve core is provided with an axial through hole; the upper end of the through hole is provided with an upper seal ring; the lower end of the valve rod is provided with a valve plug; the valve plug is matched with the upper seal ring arranged at the upper end of the through hole of the valve core; the lower end of the through hole of the valve core is provided with a lower seal ring; the lower seal ring is of an inclined cone shape; and the lower seal ring is matched with the circumference of the inner edge of the water outlet of the valve body so as to form linear seal. According to the utility model, the lower end of the valve core is provided with the inclined cone-shaped seal ring; and because the seal ring is of the inclined cone shape, the inclined cone surface of the seal ring and the inner edge of the water outlet form linear seal, and the seal effect of the seal ring is far better than that of an O-shaped ring.
Description
Technical field
The utility model relates to a kind of valve, specifically is that a kind of water pressure difference of utilizing is carried out the water valve that control valve opens and closes.
Background technique
At present in tap water pipe network or the gas class pipe network in applied all kinds of valves or the water tap, cast iron, the tap of spiral open and close type is eliminated; And commonly used in the various pipe networks be ball valve; Gate valve, stop valve and ceramic valve core are the mechanical connections of metal but their common fault is an internal structure; Metalwork is many, and it is dead that connection part is prone to rust.This mechanical connection opens and closes operation for a long time and causes " run, emit, drip, leak " more easily, and the waste resource causes potential safety hazard.If use plastic casing, there is the problem of mechanical connection rapid wear equally in the built-in ceramic core, and matter is measured to the having relatively high expectations of ceramic core, and cost is just high.Ceramic material is inferior, and magnetic surface is easy abrasion more.The drain opening of ceramic core is less because of the aperture of latus rectum fan shape, can't resemble to be applied in the pipe network remote water supply ball valve, the gate valve to go, and in practical application, has narrow limitation.For the CN02291957.0 name is called " pressure reduction induction type water-saving valve " model utility a kind of water-saving valve is disclosed at application number; Valve body, spool, valve rod are arranged in the described patented technology, draw, in draw device such as lid, its principle be draw with in draw the connecting band ovable valve stem of lid, utilize pressure reduction to make spool open and close current up and down; Its problem maximum in practical application be valve rod be lean on hot melt with in draw to cover and be connected; In draw lid could drive moving up and down of valve rod and realize to open and close being connected with drawing again, draw with in draw the damage that being connected of lid itself can its formation that rubs of formation relative movement obvious, cause the hot melt of valve rod to cover and be connected damage with Nei La; Can't drive valve rod moves up and down; It is malfunctioning that water valve is opened and closed, as valve rod with draw directly being connected with plastic solvent, become fragile because of plastic solvent can make valve rod play chemical the reflection equally; Make valve stem crack, cause serious quality problems.In addition, because the O RunddichtringO of spool lower end when compressing valve body water outlet bead, shakes because of the current in the valve pocket can produce in open and-shut mode, O type circle is easy to generate translation and causes sealing not close, makes the valve water clock.Therefore, the patented product can produce a lot of quality problems in actual use, so can't be applied and promote as mature technology.
Summary of the invention
The utility model has been to overcome the deficiency of above-mentioned existence, and provide that a kind of sealing effect is better, valve rod not the pressure reduction type of easy-rupturing open and close water-saving valve.
The purpose of the utility model realizes through following technological scheme: the pressure reduction type opens and closes water-saving valve, mainly comprises valve body, valve gap, draws handle, spool and valve rod, and valve body has water inlet and the water outlet that is communicated with valve pocket; Spool and valve rod place in the valve body, and spool is cylindric all around and keeps the operation concentricity with the valve gap inner chamber, offers axial hole in the middle of the spool; The through hole upper end is mounted with seal ring; There is valve plug the valve rod lower end, and valve plug matches with the last seal ring of valve core through hole upper end, and the through hole lower end of said spool is equipped with lower seal; Described lower seal is oblique cone shape, the lower seal formation linear sealing that matches with the water outlet inner edge circumference of valve body.
Kelly is arranged at described valve rod top, and drawing has a draw-in groove that is complementary with kelly to the top, and kelly rotation back embeds in the draw-in groove.
The outer wall of described valve gap upper end is provided with oblique arcuation motion groove, and described drawing is provided with the location convex protrusion to inwall, and the prominent protruding and oblique arcuation motion groove in location matches and moves up and down.
Seal groove opening inner edge in the middle of the described valve gap has a convex protrusion, and seal ring is stuck in the seal groove.
The oblique cone shape seal ring is settled in the utility model spool lower end, because seal ring is oblique cone shape, its tilted conical surface and water outlet inner edge form linear sealing, and its sealing effect is much larger than O type circle.The kelly on valve rod top embeds and draws in the draw-in groove on top, valve rod is fixed on draws last, avoided valve rod with in draw lid to depend on hot melt that the valve rod soldering tip is out of shape, the problem of wearing and tearing and coming off.Seal groove opening inner edge forms a convex protrusion, is arranged to seal ring in the seal groove, and seal ring just is fixed in the seal groove, has so just thoroughly avoided causing serious quality problems because of valve rod comes off seal ring in the moving up and down of switching.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Embodiment
To combine accompanying drawing that the utility model is done detailed introduction below, the type of the utility model pressure reduction shown in the accompanying drawing 1 opens and closes water-saving valve, mainly comprises valve body 15, valve gap 7, draws 3, spool 13 and valve rod 6; Valve body 15 has the water intake 17 and water outlet 16 that is communicated with valve pocket 10; Spool 13 places in the valve body 15 with valve rod 6, and spool 13 is cylindric all around and keeps the operation concentricity with valve gap 7 inner chambers, offers axial holes in the middle of the spool 13; The through hole upper end is mounted with seal ring 12; There is valve plug 11 valve rod 6 lower ends, and valve plug 11 matches with the last seal ring 12 of spool 13 through holes upper end, and the through hole lower end of said spool 13 is equipped with lower seal 14; Described lower seal 14 is oblique cone shape, the lower seal 14 formation linear sealing that matches with the water outlet 16 inner edge circumference of valve body 15.
Kelly 1 is arranged at described valve rod 6 tops, and drawing has a draw-in groove 2 that is complementary with kelly 1 to 3 tops, and kelly 1 rotation back embeds in the draw-in groove 2.
The outer wall of described valve gap 7 upper ends is provided with oblique arcuation motion groove 5, and described drawing is provided with location convex protrusion 4 to 3 inwalls, matches with oblique arcuation motion groove 5 and move up and down in location prominent protruding 4.
Rotation is drawn 3, and prominent protruding 4 are tiltedly sliding in the arcuation motion groove 5, draws to move up and down 3 drive valve rods 6; And valve plug 11 is under the drive of valve rod 6; Light to last seal ring 12, insert in the through hole of going up seal ring 12 by the tilted conical surface that is provided with on the valve plug 11, form linear sealing; When this moment, spool 13 moved down in the valve body 15 water outlet 16, lean on the pressure of water just to realize closing of valve; And valve plug 11 is when leaving seal ring 12, and spool 13 just leaves water outlet 16 by buoyancy of water, the unlatching of realization valve; When spool 13 arrives strokes topmost the time, valve just is in full-gear, and spool 13 is when mediating state, the control of the flow size that realizes valve by inducing up and down of valve rod.Because its spool is under the inducing of valve rod, to fluctuate, valve rod also unmatchful spool produces direct pulling function, and the operation of spool is accomplished by the pressure difference of water and buoyancy.
Claims (4)
1. the pressure reduction type opens and closes water-saving valve, mainly comprises valve body, valve gap, draws handle, spool and valve rod, and valve body has water inlet and the water outlet that is communicated with valve pocket; Spool and valve rod place in the valve body, and spool is cylindric all around and keeps the operation concentricity with the valve gap inner chamber, offers axial hole in the middle of the spool; The through hole upper end is mounted with seal ring, and there is valve plug the valve rod lower end, and valve plug matches with the last seal ring of valve core through hole upper end; It is characterized in that; The through hole lower end of said spool is equipped with lower seal, and described lower seal is oblique cone shape, the lower seal formation linear sealing that matches with the water outlet inner edge circumference of valve body.
2. pressure reduction type according to claim 1 opens and closes water-saving valve, it is characterized in that kelly is arranged at described valve rod top, and drawing has a draw-in groove that is complementary with kelly to the top, and kelly rotation back embeds in the draw-in groove.
3. pressure reduction type according to claim 1 opens and closes water-saving valve, it is characterized in that, the outer wall of described valve gap upper end is provided with oblique arcuation motion groove, and described drawing is provided with the location convex protrusion to inwall, and the prominent protruding and oblique arcuation motion groove in location matches and moves up and down.
4. pressure reduction type according to claim 1 opens and closes water-saving valve, it is characterized in that, the seal groove opening inner edge in the middle of the described valve gap has a convex protrusion, and seal ring is stuck in the seal groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203815862U CN202302163U (en) | 2011-10-10 | 2011-10-10 | Pressure difference type opening-closing water saving valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203815862U CN202302163U (en) | 2011-10-10 | 2011-10-10 | Pressure difference type opening-closing water saving valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202302163U true CN202302163U (en) | 2012-07-04 |
Family
ID=46371058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203815862U Expired - Fee Related CN202302163U (en) | 2011-10-10 | 2011-10-10 | Pressure difference type opening-closing water saving valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202302163U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102840368A (en) * | 2012-08-07 | 2012-12-26 | 中建三局第一建设工程有限责任公司 | Adjustable automatic stop valve |
-
2011
- 2011-10-10 CN CN2011203815862U patent/CN202302163U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102840368A (en) * | 2012-08-07 | 2012-12-26 | 中建三局第一建设工程有限责任公司 | Adjustable automatic stop valve |
| CN102840368B (en) * | 2012-08-07 | 2014-12-03 | 中建三局第一建设工程有限责任公司 | Adjustable automatic stop valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: YU XUELIN Free format text: FORMER OWNER: ZHANG TIANJIAO Effective date: 20120619 Free format text: FORMER OWNER: YU XUELIN Effective date: 20120619 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20120619 Address after: Pingjiang District of Suzhou City, Jiangsu province 215000 east island of San Nong No. 7-1 Patentee after: Yu Xuelin Address before: Lu Qiu Fang Xiang Pingjiang District of Suzhou City, Jiangsu province 215000 No. 42 Building 1 room 101 Co-patentee before: Yu Xuelin Patentee before: Zhang Tianjiao |
|
| DD01 | Delivery of document by public notice |
Addressee: Yu Xuelin Document name: Notification to Pay the Fees |
|
| DD01 | Delivery of document by public notice |
Addressee: Yu Xuelin Document name: Notification of Termination of Patent Right |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20131010 |