CN2818938Y

CN2818938Y - Securtiy water tap

Info

Publication number: CN2818938Y
Application number: CN 200420048640
Authority: CN
Inventors: 杨汉卿
Original assignee: QINGYANG AGRICULTUREL MECHANIZATION TECHNOLOGY ADVICE STATION
Current assignee: QINGYANG AGRICULTUREL MECHANIZATION TECHNOLOGY ADVICE STATION
Priority date: 2004-04-01
Filing date: 2004-04-01
Publication date: 2006-09-20
Anticipated expiration: 2014-04-01

Abstract

The utility model relates to a security water tap, which belongs to a new style valve. The upper end of a screw rod is hinged with a handle, the lower end passes through a press cover and a nut is extended into the upper end of a piston in a main body. The lower end of the piston is blocked at a water inlet of the main body, and circumference is blocked at the water outlet on the main body. The piston is locked with the main body through a locked pin or a device is opened again, and the lower end of the main body is provided with the security water tap which is hinged with a tap water pipe. By rotating the handle, a pin contact is pressed down by reusing a finger to force the locked pin to recoil at the outer circumference of the piston, and at the flat position of the inner circumference of the main body, under the action of water pressure, the piston moves up to form passages of a water inlet and a water outlet. The water tap is opened, and at the time of no water pressure, the piston can not move up, when the finger loosens the contact of a pin, the locked pin is locked with the main body together under the action of a spring. A person forgets to close a handle, the water tap is still in closed state and a user with tap water can use the utility model.

Description

Security personnel's water tap

Affiliated field

The utility model relates to a kind of security personnel's water tap, belongs to the valve that a kind of novel supporting running water pipe uses.Especially when cutting off the water, valve is not opened.

Background technique

At present, known water tap structure is made up of water intake, water outlet, handle, screw mandrel, nut, plug.Screw mandrel upper end is hinged with the handle or the handwheel of rotation, and the other end is hinged by nut and plug, on the moving plug of shipper pole on the screw mandrel, move, and the passage of formation water intake and water outlet, when cutting off the water, water tap remains to be opened.Be under the situation of cutting off the water at people's tap of fetching boiling water, forget again and close, treat water next time after, under the unmanned again situation of water tap adjacency, cause the generation of tap water leakage accident.

Summary of the invention

Supply water or the situation of cutting off the water all is defective and the deficiency of opening at running water pipe in order to overcome existing water tap, the utility model provides a kind of security personnel's water tap, under the situation that running water pipe supplies water, utilize the press water tap of water to open, under the situation that running water pipe is cut off the water, can't not open because of there being the hydraulic pressure water tap, still be in closed condition, treat during water, the sluicing accident can not take place next time.

The technological scheme that its technical problem that solves the utility model adopts is: the main body excircle has pin hole and position limit socket, one end of pin is the contact, the other end is concordant with inwall by main body, and step on the pin and main body external peripheral surface and position limit socket constitute the open device once more of water tap.Be equipped with osculum and water outlet on the main body circumference and be welded as a whole and constitute the water outlet device of water tap, a location pinhole is arranged on the main body circumference, the location pin is installed is used, constitute a piston limit stoper by the keyway on main body inner wall and the piston.Be equipped with a step through-hole on the excircle of piston perpendicular to shaft axis, locking pin one end with screw fastening porose in, the other end stretches out this through hole by the effect of spring, under the effect of external force, the locking pin can be returned in the hole on the piston, constitutes the locking device of a piston and main body.On the excircle of piston, have one with the locking pinhole become 90 °, with parallel axes, communicate the keyway that the upper end is obstructed with the piston lower end.Main body and piston constitute a piston cylinder device.Screw mandrel upper end is hinged with handle, and the lower end is by gland, nut put in the main body with piston on end in contact, constitute that water tap is opened first or the device of final plant closure.The piston lower end gets lodged in the water intake of main body, and circumference gets lodged in the water outlet of main body.The upper end and the nut of main body are fastening, and lower end and tap water supply pipe are hinged.Down, the screw mandrel lower end withstands on the upper end of piston in off position.Stretch out the suitable locking pin of circumference beyond the Great Wall and be inserted in the main body pin hole and contact with pin, formation is opened or locking device once more.In the time will fetching boiling water tap, rotatory handling, make on the screw mandrel and move, leave the distance in piston upper end, pin contact again press...withes one's finger down, under the pin effect, make the locking pin withdraw from the main body pin hole, just concordant with the excircle of the inwall piston of main body, at this moment under the pressure effect of tap water, move only screw mandrel lower end on the piston, make water intake and water outlet form the passage of a flowing water, water tap is opened, under the situation of cutting off the water, rotatory handling, move on the screw mandrel, one distance is arranged, press...with one's finger again and go up the pin contact apart from the piston upper end, the locking pin withdraws from the main body pin hole, though concordant with the circumference of main body inner wall piston, there is not hydraulic pressure, piston does not move on not understanding, when finger unclamps the pin contact, the locking pin still inserts under the effect of spring in the pin hole on the main body, treat water next time after, be to forget that rotating handles closes water tap, there is a distance screw mandrel lower end with the cold upper end of living, the locking pin still together with piston and body lock, there is being the tap of can fetching boiling water under the hydraulic pressure situation pin contact that must press...with one's finger down once more.

When closing water tap, rotating handles, screw mandrel moves down, and forces piston to move down the arrival closed position, and the locking pin inserts in the main body pin hole under the effect of spring, makes piston and body lock together.Location pin on the main body constitutes limit stoper by the keyway on main body inner wall and the piston, guarantees that piston can only move up and down, and can not guarantee that simultaneously the pin hole on locking pin and the main body is being closed the Shi Buhui dislocation along circular movement.Description of drawings.

Below in conjunction with accompanying drawing and example the utility model is further specified.

Fig. 1 is the main pseudosection of model utility

Fig. 2 is the A-A sectional view of the utility model Fig. 1

1. handles among the figure, 2. screw rod, 3. sealing gland, 4. nut, 5. main body, 6. pin contact, 7. locking pin, 8. spring, 9. screw, 10. sealing gasket figure, 11. pistons, 12. water intakes, 13. water outlets, 14. location pins, 15. keyways, 16. position limit sockets.

Embodiment

In Fig. 1, the side is hinged in screw rod (2) upper end foreign side and the handle (1), the lower end becomes a semicircle spherical, put in the upper end plane contact of tap main body (5) inner carrier (11) by sealing gland (3) nut (4), main body (5) upper end is fastening with nut (4) lower end, and the lower end water intake (13) of main body (5) is hinged with running water pipe.The excircle of main body (5) is provided with water outlet (13), on (13) 180 ° of circumference of water outlet, there is an aperture that pin contact (6) is housed, piston (11) moves up and down in main body (5), locking pin (7), spring (8) are housed in the circumference through hole of piston (11), one end of locking pin (7) is in piston (11) hole, hinged by screw (9), the other end stretches out the excircle of piston (11), in the water tap closed condition was inserted the pin hole of main body (5), it was to be on the same shaft axis with pin contact (6) to be used.

When fetching boiling water tap, rotating handles (1) makes on the screw mandrel (2) and moves, and the distance in piston (11) upper end is left in its lower end, pin contact (6) again press...withes one's finger down, the locking pin withdraws from the excircle place that the pin hole on the main body (5) ends piston (11), and is concordant with main body inner wall, under the effect of tap water pressure, tap water promotes piston (11) from water intake (12) and moves, opening of water outlet (13), the passage of formation water intake (12) and water outlet (13), water tap is opened.When closing water tap, rotating handles (1), screw rod (2) is moved down, depress piston (11) and move only closed position, water intake (12) is blocked in the lower end, and circumference is blocked water outlet (13), locking pin (7) inserts in main body (5) the pin contact holes, and be on the same axis with pin contact (6), piston (11) and main body (5) are locked together by locking pin (7), water tap is closed fully.Under the situation of cutting off the water, rotating handles (1), screw mandrel moves on (2), pin contact (6) again press...withes one's finger down, it is concordant with main body (5) inwall that locking pin (7) withdraws from pin hole, and because of there not being hydraulic pressure, piston (11) does not move on not understanding, when finger unclamps pin contact (6), under the effect of spring (8), the locking pin (7) still insert in main body (5) pin hole, wait water after, on the position of opening, the fire hose closes and still is in closed condition with right handle (1).That is to say that water tap is not opened under the situation of cutting off the water.Seal washer (10) prevents to leak after water tap from closing and does not have meter.

In Fig. 2, location pin (14) is used with keyway (15), piston (11) can only be moved up and down along main body (5) inwall, can not rotate along circumference, guarantee that locking pin (7) can not misplace with the pin contact holes when closing water tap, keyway (15) communicates with the lower end surface of piston (11), and is obstructed with the upper-end surface, and purpose is that anti-sealing enters piston (11) upper end.To the step on pin contact (6), spacing by main body (5) cylindrical when pressing down, finger is when unclamping the pin contact, and extrapolated to end position limit socket spacing with the pin contact for locking pin (7).

Claims

One kind security personnel water tap, locking device and pin contact open device by handle, screw rod, main body, piston and piston constitute, it is characterized in that: the main body of water tap is a belt cylindrical body of locking, the upper end is screw rod, nut, lower end and tap water supply pipe are hinged, be welded with water outlet on the osculum of main body circumference, located an aperture at water outlet for 90 ° along excircle, the location pin is housed, be used with the keyway on the piston, can guarantee that water tap closing Shi Buhui dislocation, locate to be equipped with locking pin contact, be used for secondary to open piston apart from 180 ° of water outlets.
2. security personnel's water tap according to claim 1, it is characterized in that: the locking pin is housed on the circumference of piston, one end of locking pin is hinged in the hole of outside piston, the other end inserts in the pin hole of main body by the circumference that the spring in the hole stretches out piston, make piston and body lock together, be used with the pin contact, constitute opening and locking device of water tap.
3. security personnel's water tap according to claim 1 is characterized in that: be on 90 ° the position with the locking pinhole in outside piston week, a positioning spline with parallel axes is arranged.