CN2297596Y - Valve - Google Patents
Valve Download PDFInfo
- Publication number
- CN2297596Y CN2297596Y CN 97213247 CN97213247U CN2297596Y CN 2297596 Y CN2297596 Y CN 2297596Y CN 97213247 CN97213247 CN 97213247 CN 97213247 U CN97213247 U CN 97213247U CN 2297596 Y CN2297596 Y CN 2297596Y
- Authority
- CN
- China
- Prior art keywords
- valve
- valve rod
- push rod
- rod
- water
- 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 - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims description 14
- 238000012856 packing Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 28
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 239000007787 solid Substances 0.000 abstract description 4
- 210000004534 cecum Anatomy 0.000 description 9
- 230000007246 mechanism Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Mechanically-Actuated Valves (AREA)
Abstract
The utility model relates to a valve which can not be opened without water. The traditional solid valve rod is changed into the valve rod (12) with two concentric through holes whose diameters are different, a push rod (10) is arranged in the valve rod (12), and the key (6) of an end surface is driven by the elevation of the push rod (10) to extrude into or pull out the groove of the dead end of a handle (9) to make the torque moment transmission relation of the handle (9) and the valve rod (12) established or interrupted. The aims of the normal use of water when the water is provided and no opening of the valve when the water is not provided are realized, and the phenomenon of water 'running' is completely avoided. The utility model has the advantages of simple structure, low cost and rational use of water resource, and the disputes of neighbourhood are avoided.
Description
The utility model relates to the daily life hardware, and exactly it is a kind of anhydrous valve of not opening.
At present, the valve that uses in the daily life all is old-fashioned valve, promptly drives solid valve rod lifting with handle and opens and closes valve.The disadvantage of this old-fashioned valve just be to open valve and forget close after, when coming water again, form " race " water." race " water has caused the waste of water resources, also causes the neighbourhood's dispute in the residential building easily.Occurred multiple water-stopping self-closing valve recent years on patent documentation, they all are to add a cover mechanism, closing automatically when realizing water outside solid valve rod in addition; Also will add the starting mechanism of the normal water of a cover simultaneously in addition, just because the two requirement that takes into account causes the valve mechanism complexity, cost increases; The complexity of two cover mechanisms, the inconvenience in the use, control mechanism malfunctioning also can form the generation of " race " water phenomenon sometimes.
The purpose of this utility model just is at above-mentioned deficiency, provides a kind of simple in structure, the anhydrous valve of not opening of service-strong, the generation of at all stopping " race " water phenomenon.
The purpose of this utility model is achieved by the following scheme, it is by valve body (1), sealing film pad (2), round nut (3), valve rod base (4), snap ring (5), straight end-face key (6), fixing pin (7), nut (8), handle (9), push rod (10), pressure cap (11), valve rod (12), stuffing box packing (13), spring (14) is formed, it is characterized in that, have the concentric pylone of two different-diameters in the valve rod (12), there is shoulder push rod (10) lower end, push rod (10) is packed in valve (12) hole, spring (14) is enclosed within push rod (10) external diameter and is pressed over it above shoulder, pack in the macropore of valve rod (12) with push rod (10), the height of push rod (10) is lower than valve rod (12), sealing film pad (2) is enclosed within on the lower end surface of valve rod (12), and contact with the upper-end surface of flow control hole (15) on the valve body, round nut (3) is used for fit sealing film pad (2), handle (9) sky is enclosed within the upper end of valve rod (12), the cecum of handle (9) has groove, straight end-face key (6) is contained in the upper-end surface opening slot of the upper-end surface opening slot of valve rod (12) and push rod (10) simultaneously, fixing pin (7) is fixed on straight end-face key (6) in the upper-end surface opening slot of push rod (10), when push rod (10) rises or descends, straight end-face key (6) can put in or the cecum groove of draw-out handle (9) in.Valve body (1) is the main body of the anhydrous valve of not opening, and current are whole through valve body (1) chamber, is provided with flow control hole (15), the size of controlled water flow on the passage of centre in the chamber.Valve rod (12) is given with the torque transfer of handle (9) in straight end-face key (6) top when putting in handle (9) cecum groove, make valve rod (12) lifting, the opening and closing valve.Push rod (10) can drive straight end-face key (6) along valve rod (12) upper-end surface opening slot put in and the cecum groove of draw-out handle (9) in, the transmission relation that makes handle (9) and valve rod (12) set up and interrupt torque.Valve rod (12) is paid with spiral and is loaded on the valve rod base (4), and valve (12) is rotated under the drive at handle (9), along spiral lifting, and the opening and closing valve.The upper-end surface of valve rod (12) has the end face opening slot, push rod (10) upper-end surface also has the end face opening slot, straight end-face key (6) is contained in these two opening slots, and fixing pin (7) is fixed on straight end-face key (6) in the upper-end surface opening slot of push rod (12), prevents coming off of straight end-face key (6).Because the height of push rod (10) is lower than the height of valve rod (12), make push rod (10) have certain stroke, guarantee lifting action, and and handle (9) cecum groove certain interval is arranged, make handle (9) go up idle running at valve rod (12), because the effect of pressure cap (11) and stuffing box packing (13) makes the external diameter of valve rod (12) have excellent sealing, and water can not be leaked by valve rod (12) external diameter.Sealing film pad (2) is to adopt the rubber-like material, and hydraulic pressure promotes push rod (10) pressure spring (14) by sealing film pad (2), and push rod (10) is risen in valve (12) hole, has driven the rising of straight end-face key (6); Sealing film pad (2) can also play the seal action in protection valve rod (12) hole, and water can not be entered in the hole of valve rod (12), guarantees the proper functioning of push rod (10) in valve rod (12) hole.Round nut (3) is to guarantee that sealing film pad (2) under the washing away of current, can not come off and make the sealability of valve rod (12) better.Handle (9) sky is enclosed within the upper end of valve rod (12), and make axially locating with snap ring (5), because the axial force that the reason of nut (8) can be born handle (9) hole opening direction makes handle (9) under responsive to axial force, can not break away from valve rod (12), and go up the brisk idle running of energy at valve rod (12).The active area that the shoulder of push rod (10) is mainly used to place spring (14) and increases hydraulic pressure.
The utility model has the advantages that, simple in structure, realize easily, cheap, stable performance, anti-" race " water is effective, the generation that can stop " race " water phenomenon basically.
Below in conjunction with drawings and Examples the utility model is described in further detail.
Fig. 1 is the utility model structural representation.
Fig. 2 is Figure 1A-A place sectional drawing.
1 is valve body among the figure, and 2 is the sealing film pad, and 3 is round nut, and 4 is valve rod base, and 5 is snap ring, and 6 is straight end-face key, and 7 is pin, and 8 is nut, and 9 is handle, and 10 is push rod, and 11 is pressure cap, and 12 is valve rod, and 13 are stuffing box packing, and 14 is spring, and 15 is the valve body flow control hole.
Valve body in the utility model (1) is used die casting production, and production technology is identical with existing valve body production technology, can directly adopt the tap valve body that is now using, and does not do any change.Sealing film pad (2), straight end-face key (6), fixing pin (7), nut (8), spring (14) outsourcing or external coordination, the common mechanical factory that other component have car, clamped, mill, dig, ground equipment all can make with reference to accompanying drawing.It should be noted that straight end-face key (6) is contained in the upper-end surface opening slot of push rod (10) and valve rod (12) simultaneously, push rod (10) is inserted straight end-face key (6) top in handle (9) the cecum groove under the effect of hydraulic pressure, the bottom of straight end-face key (6) should still be stayed in the upper-end surface opening slot of valve rod (12), so just makes handle (9) and valve rod (12) set up the transmission relation of torque.In case hydraulic pressure disappears straight end-face key (6) top and handle (9) cecum groove are broken away from, straight end-face key (6) is all got back in the upper-end surface opening slot of valve rod (12), the transmission relation of having interrupted torque.During use, when pipeline has water, hydraulic pressure is by the spring (14) on sealing film pad (2) compression push rod (10) shoulder, promote push rod (10) and drive straight end-face key (6) upper-end surface opening slot rising along it in valve rod (12) hole, straight end-face key is inserted in handle (9) the cecum groove by top, handle (9) has just been set up the transmission relation of torque with valve rod (12), and the rotation of handle (9) just drives the rotation of valve rod (12), has played the effect of opening and closing valves.When pipeline has water, open during water, do not close during water, this is normal water.When pipeline is anhydrous, hydraulic pressure disappears, under the effect of push rod (10) deadweight and spring (14), push rod (10) decline has driven straight end-face key (6) and has pulled out from handle (9) cecum groove, this has just interrupted handle (9) and valve rod (12) torque transfer relation, this moment is handle with sleeve (9) again, handle (9) is only gone up idle running at valve rod (12), valve rod (12) is motionless, valve can not be opened and play anhydrous purpose of not opening, and when coming water again,, can not form " metalling run out " because valve is in closed condition.The utility model has become hollow valve rod to solid valve rod owing to changed stem structure, normally uses when water is arranged, valve has been in closed condition when anhydrous, this has just fundamentally stopped " race " water phenomenon, has guaranteed the reasonable use of water resources, and can avoid the generation of neighbourhood's dispute.
Claims (1)
1, a kind of anhydrous valve of not opening, by valve body (1), sealing film pad (2), round nut (3), valve rod base (4), snap ring (5), straight end-face key (6), fixing pin (7), nut (8), handle (9), push rod (10), pressure cap (11), valve rod (12), stuffing box packing (13), spring (14) is formed, it is characterized in that, have the concentric pylone of two different-diameters in the valve rod (12), there is shoulder push rod (10) lower end, push rod (10) is packed in valve rod (12) hole, spring (14) is inserted in push rod (10) external diameter and is pressed on its shoulder, pack in the macropore of valve rod (12) with push rod (10), the height of push rod (10) is lower than valve rod (12), sealing film pad (2) is enclosed within on the lower end surface of valve rod (12), and contact with the upper-end surface of valve body flow control hole (15), round nut (3) is used for fit sealing film pad (2), handle (9) sky is enclosed within the upper-end surface opening slot of the upper-end surface opening slot of valve rod (12) and push rod (10), and fixing pin (7) is fixed on straight end-face key (6) in the upper-end surface opening slot of push rod (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97213247 CN2297596Y (en) | 1997-04-04 | 1997-04-04 | Valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97213247 CN2297596Y (en) | 1997-04-04 | 1997-04-04 | Valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2297596Y true CN2297596Y (en) | 1998-11-18 |
Family
ID=33931091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97213247 Expired - Fee Related CN2297596Y (en) | 1997-04-04 | 1997-04-04 | Valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2297596Y (en) |
-
1997
- 1997-04-04 CN CN 97213247 patent/CN2297596Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |