CN200978997Y

CN200978997Y - Water-stopping protector

Info

Publication number: CN200978997Y
Application number: CN 200620052792
Authority: CN
Inventors: 应兢业
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-11-09
Filing date: 2006-11-09
Publication date: 2007-11-21
Anticipated expiration: 2016-11-09

Abstract

Enclosed is a water stop protector, wherein a liquid inlet pipe chamber of a cross valve and a central perpendicular communicated with a of a liquid outlet pipe chamber are equipped with flexible plunger piston, a plunger piston chamber fitting the flexible plunger piston is equipped with a sealing cover and upper and lower sealing rings, the middle portion of the plunger piston chamber is correspondingly equipped with a liquid inlet and a liquid outlet, the plunger piston chamber is lengthwise equipped with overflowing holes of the liquid inlet and outlet, the lower portion and upper portion of the overflowing hole are equipped with a side flowing hole, communicated overflowing dents are equipped on the sealing ring in corresponding with the liquid outlet overflowing hole and the inner chamber center of the plunger piston chamber, the belly of the flexible plunger piston is equipped with liquid discharging ringed dent, the top portion of the flexible plunger piston are respectively equipped with a sealing ring, a pushing bar head, a pushing bar fixed on the pushing bar head and a gravity cap. The protector adopts the technological scheme that the gravity cap which doesn't need power source self controlling plunger piston typed opens and closes the liquid inlet and outlet, which solves the difficulty that the prior anti leakage water stop device has complex structure, the maintenance and usage are both inconvenient, whose structure is quite simple and practical, manufacturing cost is relatively low and realizes water stop and flow stop, with free water usage, suitable for the equipment before terminal users of daily water supply system.

Description

The protector of cutting off the water

Technical field

The utility model relates to a kind of valve means, and especially a kind of have a protector of cutting off the water of closing automatically with Open valve.

Background technique

At present, urbanite water consumption is all controlled by water tap.Control can be easily generally speaking; but when cutting off the water, then usually can get into trouble; because during domestic water; cut off the water in case run into; have a lot of people and forgotten to turn off the tap and leave home to lock a door and go out,, then can cause and metal run out if come water midway; consequently cause the waste at water source and the damage in house in case metal run out, and can be to life and neighborhood relationship bring many inconvenience and influence at home.In addition, the Chinese patent notification number be CN2126354U's " a kind of anti-leakage valve " disclose and two ends are set in valve channel are shaped on the elastic hose that annular flange middle part is shaped on reinforced layer, the annular flange at elastic hose two ends is pressed in respectively in the annular groove of the entrance point of valve body and outlet end inwall by pressure ring.This anti-leakage valve uses annular flange middle part to be shaped on the technological scheme of the elastic hose of reinforced layer, though have simple in structure, open and close characteristics such as light, but the structure of elastic hose itself, requirement has certain machining accuracy, moulds casting precision and material requirement, be subjected to constraint its working life, cost also can correspondingly improve.And for example Chinese utility model patent notice of authorization number is formed for having described by shell and intake-outlet in CN2555296Y " Self-control water-saving device ", wherein intake-outlet is distributed in the symmetrical two jiaos of places up and down of shell, the shell sectional area of water intake correspondence be trapezoidal be used to place with fixing plug and the trapezoidal walls of float have the hole, the shell of float correspondence up and down end cap have the knob that resets that the hole is equipped with the exhaust plug respectively and spring is arranged; Have the wedge pin that connects pressure-resistant plate to be stuck on the porose plate in water intake, knob links to each other with soft rubber cushion in the shell.It has solved forgets when cutting off the water and turns off water tap, the problem of metalling run out when waiting water.The deficiency of this model utility is a complex structure, damage easily, and when the needs water water outlet inconvenience, influenced normal daily water consumption.

Summary of the invention

At above-mentioned situation, the purpose of this utility model provides a kind of protector of cutting off the water, and it is not only simple in structure, and cost is lower, and maintenance, easy to use, and the life-span prolongs, and does not influence normal water.

For achieving the above object; a kind of protector of cutting off the water; the central vertical that the feed liquor tube chamber of cross valve body and fluid tube chamber connect is provided with movable plunger; on the adaptive plunger cavity of this movable plunger; the last seal ring that the underpart is provided with end cover and cooperates with end cap; lower seal; plunger cavity corresponding feed liquor tube chamber in middle part and fluid tube chamber are respectively equipped with liquid entering hole and liquid outlet; plunger cavity in liquid entering hole and liquid outlet place vertically is provided with liquid entering hole overflow hole and liquid outlet overflow hole; the liquid entering hole bypass port is established in liquid entering hole overflow hole bottom; the liquid outlet bypass port is established on liquid outlet overflow hole top; corresponding liquid outlet overflow hole and plunger cavity intracoelomic cavity center are provided with the bypass channel of connection on lower seal; the belly of movable plunger be provided with the adaptive formation of plunger cavity inner wall unload the pendular ring groove, the top of movable plunger is provided with seal ring successively; push rod cup; be fixed in the push rod and the gravity cap of push rod cup.

For implementation structure optimization, its further step is:

The end of described feed liquor tube chamber and fluid tube chamber is provided with connecting thread.

The utility model adopts the gravity cap automatic control plunger type need not power supply to open and close the technological scheme of liquid inlet and outlet, has solved the existing anti-leak apparatus structure complexity of cutting off the water, and safeguards, uses an all inconvenient difficult problem.

The beneficial effects of the utility model are, when user's water tap was still opened, in a single day water system stopped to supply water or not having hydraulic pressure, and movable plunger drops to the liquid inlet and outlet place automatically and liquid inlet and outlet is closed under the effect of gravity cap, the water source of user's water system is closed in realization, realizes damming; In a single day water system resumes water supply or hydraulic pressure is arranged, then have only a spot of water from the liquid entering hole of feed liquor tube chamber through the matching gap of movable plunger and plunger cavity to the movable plunger belly unload the pendular ring groove, flow out from tap outlet to the fluid tube chamber through liquid outlet bypass port to liquid outlet again; In addition, be subjected to the effect of hydraulic pressure, have a spot of water and flow out from tap outlet to the fluid tube chamber through liquid outlet from the liquid outlet overflow hole through bypass channel again in the matching gap of movable plunger and plunger cavity through the liquid entering hole bypass port from the liquid entering hole overflow hole of liquid entering hole; As wanting normal water, as long as close tap outlet, the feed liquor tube chamber of cross valve body and the water of fluid tube chamber are because of hydraulic action, and water returns the liquid outlet overflow hole through the matching gap of liquid outlet bypass port to movable plunger and plunger cavity from the fluid tube chamber through liquid outlet; Simultaneously, water rises movable plunger from liquid outlet overflow hole bottom through bypass channel; Simultaneously, liquid entering hole bypass port, liquid outlet bypass port are all done the pressure relief vent use; When the pendular ring groove that unloads of movable plunger arrives liquid entering hole and liquid outlet place, then movable plunger rises rapidly, makes feed liquor tube chamber and fluid lumen therethrough and realizes continuous water supply; At this moment, user's water water source of water system recovers automatically, and realizing cuts off the water dams, and water freely; So the utility model can not have influence on user's normal water, and structure is very simple, practical, and cost of production is low.The terminal use that it is suitable for the daily life water system installs before.

Description of drawings

The utility model is described in further detail below in conjunction with drawings and Examples.

Structural representation when Fig. 1 is the utility model closed condition.

Structural representation when Fig. 2 is the utility model opening state.

Fig. 3 is the utility model lower seal and end cap and the fixing partial structurtes schematic representation of plunger cavity.

Fig. 4 is the A-A structural representation of Fig. 3.

Among the figure 1, the feed liquor tube chamber, 2, the fluid tube chamber, 3, movable plunger, 31, unload the pendular ring groove, 32, seal ring, 33, push rod cup, 34, push rod, 4, plunger cavity, 5, end cap, 51, go up seal ring, 52, lower seal, 521, bypass channel, 6, liquid entering hole, 61, liquid entering hole overflow hole, 62, the liquid entering hole bypass port, 7, liquid outlet, 71, liquid outlet overflow hole, 72, the liquid outlet bypass port, 8, the gravity cap.

Embodiment

Referring to accompanying drawing; a kind of protector of cutting off the water; the central vertical that the feed liquor tube chamber 1 and the fluid tube chamber 2 of cross valve body connect is provided with movable plunger 3; on the adaptive plunger cavity 4 of this movable plunger 3; the last seal ring 51 that the underpart is provided with end cover 5 and cooperates with end cap 5; lower seal 52; the corresponding feed liquor tube chamber 1 in plunger cavity 4 middle parts is respectively equipped with liquid entering hole 6 and liquid outlet 7 with fluid tube chamber 2; plunger cavity 4 can be welding or cast inblock with feed liquor tube chamber 1 and being connected of fluid tube chamber 2; for make movable plunger 3 in plunger cavity 4 on; in the following movement process; keep movable plunger 3 precise and stable at positioning area and reach internal and external pressure balance; the motion of realization movable plunger 3 freely; plunger cavity 4 in liquid entering hole 6 and liquid outlet 7 places vertically is provided with liquid entering hole overflow hole 61 and liquid outlet overflow hole 71; and establish liquid entering hole bypass port 62 in liquid entering hole overflow hole 61 bottoms; liquid outlet bypass port 72 is established on liquid outlet overflow hole 71 tops; for when closing running water tap; movable plunger can start immediately; corresponding liquid outlet overflow hole 71 and plunger cavity 4 lumen centers places are provided with the bypass channel 521 that is communicated with them on lower seal 52; the belly of movable plunger 3 be provided with the adaptive formation of plunger cavity 4 inwalls unload pendular ring groove 31; the top of movable plunger 3 is provided with seal ring 32 successively; push rod cup 33; be fixed in the push rod 34 and the gravity cap 8 of push rod cup 33, push rod 34 can adopt thread connecting mode or welding manner to be connected and fixed with push rod cup 33.Feed liquor tube chamber 1 is provided with the connecting thread that is connected with the pipeline of water system with the end of fluid tube chamber 2.

This protector of cutting off the water is that self hydraulic pressure of utilizing movable plunger 3 to add gravity cap 8 structures and tap water supply system combines to reach and closes resource of water supply and open resource of water supply.

The cut off the water installation of protector; the connecting thread of the feed liquor tube chamber 1 of cross valve body and the water pipe of water system are joined; the connecting thread of fluid tube chamber 2 is connected with the water intake of water tap, and makes plunger cavity 4 and push rod 34 and gravity cap 8 vertically upward, fixing then getting final product.

The utility model two states of protector when normally using of cutting off the water:

1, cuts off the water protector when being in closed condition, user's water tap is an opening state, movable plunger 3 is under the effect of seal ring 32, push rod cup 33, push rod 34 and the gravity cap 8 at its top in the plunger cavity 4, make movable plunger 3 be in upper/lower positions and closed the liquid entering hole 6 of the feed liquor tube chamber 1 of cross valve body, at this moment, have a spot of water from liquid entering hole 6 through the matching gap of movable plunger 3 and plunger cavity 4 to movable plunger 3 bellies unload

pendular ring groove

31,7 flow out from tap outlet to liquid outlet overflow hole 72 to liquid outlet through liquid outlet bypass port 72 again to fluid tube chamber 2; In addition, be subjected to the effect of hydraulic pressure, have a spot of water and flow out to fluid tube chamber 2 from tap outlet through liquid outlet 7 from liquid outlet overflow hole 71 through bypass channel 521 again in the matching gap of movable plunger 3 and plunger cavity 4 through liquid entering hole bypass port 62 from the liquid entering hole overflow hole 61 of liquid entering hole 6.

2, cut off the water protector when being in opening state; user's water tap is opening state or closed condition; at this moment; movable plunger 3 is subjected to the effect of seal ring 32, push rod cup 33, push rod 34 and the gravity cap 8 at its top in the plunger cavity 4; simultaneously; also be subjected to the effect of water system pressure, water system provides about 2.5kg/cm ²Tap water pressure, and the cracking pressure of movable plunger 3 only needs 0.6kg, the bearing area of movable plunger 3 is 3.14cm ²Bearing capacity is 7.85kg, so, as long as water system is not cut off the water or hydraulic pressure is arranged, the storage pendular ring groove 31 of movable plunger 3 just can be because of hydraulic pressure rests on liquid entering hole 6 and liquid outlet 7 places in the plunger cavity 4, feed liquor tube chamber 1 and fluid tube chamber 2 are connected and realizes continuous water supply; Have only when water system stops to supply water or do not have hydraulic pressure and water tap is in open mode, movable plunger 3 is under the action of gravity of plunger seal circle 32, push rod cup 33, push rod 34 and the gravity cap 8 at its top in the plunger cavity 4, drop to liquid entering hole 6 and reach the passage of closing liquid entering hole 6 and liquid outlet 7, realize the purpose of closing resource of water supply automatically and reaching anti-leak with liquid outlet 7 places.As wanting normal water, as long as close tap outlet, the feed liquor tube chamber 1 of cross valve body and the water of fluid tube chamber 2 are because of hydraulic action, and water returns liquid outlet overflow hole 71 through the matching gap of liquid outlet bypass port 72 to movable plunger 3 and plunger cavity 4 from fluid tube chamber 2 through liquid outlet 7; Simultaneously, water rises movable plunger 3 from liquid outlet overflow hole 71 bottoms through bypass channel 521; Simultaneously, liquid entering hole bypass port 62, liquid outlet bypass port 72 are all done the pressure relief vent use; When the pendular ring groove 31 of unloading of movable plunger 3 arrives liquid entering holes 6 and liquid outlet 7 places, then movable plunger 3 rises rapidly, and feed liquor tube chamber 1 and fluid tube chamber 2 are connected and the realization continuous water supply.

Below only be preferred embodiment of the present utility model, according to above-mentioned design of the present utility model, those skilled in the art also can make various modifications and conversion to this.For example, the modification of movable plunger, plunger cavity body structure and conversion or the like.Yet similar this conversion and modification all belong to essence of the present utility model.

Claims

1; a kind of protector of cutting off the water; the feed liquor tube chamber (1) that it is characterized in that the cross valve body is provided with movable plunger (3) with the central vertical that fluid tube chamber (2) connects; on the adaptive plunger cavity (4) of this movable plunger (3); the last seal ring (51) that the underpart is provided with end cover (5) and cooperates with end cap (5); lower seal (52); plunger cavity (4) the corresponding feed liquor tube chamber in middle part (1) is respectively equipped with liquid entering hole (6) and liquid outlet (7) with fluid tube chamber (2); the plunger cavity of locating in liquid entering hole (6) and liquid outlet (7) (4) vertically is provided with liquid entering hole overflow hole (61) and liquid outlet overflow hole (71); liquid entering hole bypass port (62) is established in liquid entering hole overflow hole (61) bottom; liquid outlet bypass port (72) is established on liquid outlet overflow hole (71) top; corresponding liquid outlet overflow hole (72) and plunger cavity (4) lumen centers place are provided with the bypass channel (521) of connection on lower seal (52); the belly of movable plunger (3) be provided with the adaptive formation of plunger cavity (4) inwall unload pendular ring groove (31), the top of movable plunger (3) is provided with seal ring (32) successively; push rod cup (33); be fixed in the push rod (34) and the gravity cap (8) of push rod cup (33).

2, the protector of cutting off the water according to claim 1 is characterized in that the described feed liquor tube chamber (1) and the end of fluid tube chamber (2) are provided with connecting thread.