CN2388436Y

CN2388436Y - Intake valve for cistern

Info

Publication number: CN2388436Y
Application number: CN 99215563
Authority: CN
Inventors: 林山
Original assignee: 李飞宇
Priority date: 1999-06-25
Filing date: 1999-06-25
Publication date: 2000-07-19
Anticipated expiration: 2009-06-25

Abstract

The utility model discloses a water inlet valve for a cistern, which is mainly composed of a water stopping rubber pad matched with a regulating rod, etc. The water stopping rubber pad comprises an upper rubber pad and a lower rubber pad; the lower rubber pad is arranged on an inwards concave circular groove of an upper cover; the lower rubber pad is provided with a central through hole, a needle-shaped cylinder provided with a side concave groove is penetrated through the through hole; a gap is arranged between the lower rubber pad and the upper cover; the regulating rod is hinged above the upper cover; the upper rubber pad is controlled by the regulating rod and is arranged on the right upper part of a small hole on the top part of the upper cover. The water inlet valve for a cistern has the advantages of simple structure, low accuracy requirement, easy manufacturing, easy assemblage, convenient maintenance, low cost, etc.

Description

A kind of tank intake valve of water

The utility model belongs to the technical field of cleaners and polishes, relates to a kind of tank intake valve of water.

Common water tank water intake valve arrangement, as shown in Figure 3, roughly form by ball float, needle-valve and outlet pipe etc., the metal needle 2 ' of needle-valve is upper and lower moving by adjustable lever 4 ' control, this inlet valve is limit because of its needle-valve size and structure, it only is diameter less than 2 millimeters aperture that needle-valve is ended penetration hole 12 ' on the glue pad 1 ', and it is also very limited that metal needle 2 ' is gone up little recessed the 21 ' degree of depth, so tiny hole and recessed, very easily be subjected to the influence of water quality, stopped up by the dirt in the water in use for some time, and make it lose effect, increased the trouble of toilet maintenance.

Also has a kind of water tank water intake valve arrangement, as shown in Figure 4, it is improvement at above-mentioned inlet valve, the penetration hole 12 ' that this inlet valve is ended glue pad 1 ' with above-mentioned needle-valve changes into, following rubber cushion 13 ', gap between 14 ', and metal needle 2 ' structure improved, realize opening needle-valve with necking segment 22 ', avoided because of penetration hole 12 ' with little recessed 21 ' little, easily produced, make needle-valve not be subjected to water quality impact, can use more chronically by dirt phenomenon of blocking in the water, reduce the worry of toilet maintenance, but, the complex structure of this inlet valve needle-valve, required precision height, processing difficulties, and assembling is also difficult, inconvenient maintenance, and cost is higher.

In addition, the keg float of inlet valve or ball float all directly were fixed on the inlet valve by an adjustable lever in the past, and the sphere of activities of adjustable lever is little, had determined that promptly the scope of ball float adjusting water level is also little, therefore, can't satisfy the different needs of different users to regulating water level.

Main purpose of the present utility model is to provide a kind of tank intake valve of water, and it is simple in structure, and required precision is low, easy processing, and also assembling is also easy, easy to maintenance, and cost is low.

Secondary objective of the present utility model is to provide a kind of tank intake valve of water, and its keg float regulation range is big, can satisfy the different needs of different users to regulating water level.

The utility model is to realize above-mentioned purpose like this:

Inlet valve mainly is made up of members such as sealing rubber cushion fit adjustment bars, the sealing rubber cushion comprises two members of upper and lower rubber cushion, following rubber cushion is installed on the loam cake indent circular groove, following rubber cushion is provided with central through bore, the central axis of last cover cavity is provided with and offers reeded needle-like cylinder on the post jamb, this needle-like cylinder and loam cake are injection molded into one, and just run through by the central through bore on the following rubber cushion.Adjustable lever is arranged on the top of loam cake by hinge, leaves one section space between following rubber cushion and the loam cake, and last rubber cushion is arranged between adjustable lever and the loam cake, and is installed in the aperture top of tops.

The above-mentioned aperture of going up tops on the rubber cushion correspondence is fixedly mounted on the adjustable lever below.

Form a registration groove on the above-mentioned adjustable lever, then form a registration tooth on the keg float, the two cooperation of locating slot and locating tooth, proper conveniently adjusted keg float.

Adopted said structure, the utility model is compared with tank intake valve of water in the prior art, has the following advantages:

1, needle-like cylinder in the utility model and loam cake integral molded plastic are shaped, and member lacks than the product of commonly using, and is simple in structure, and do not have metal needle and each member precision-fit, make the required precision of each member reduce easy processing, it is also easy, easy to maintenance to assemble, and greatly reduces cost;

2, the adjusting of keg float of the present utility model on adjustable lever is to cooperate by locating tooth and locating slot to realize that regulation range is big, can satisfy the different needs of different users to regulating water level.

Below in conjunction with drawings and Examples, be further described this reality is novel.

Fig. 1 is the utility model stereo appearance figure;

Fig. 2 is the utility model assembled state figure;

Fig. 3 commonly uses product one structural representation;

Fig. 4 commonly uses product two structural representations.

See also shown in Fig. 1-2, the utility model inlet valve mainly is made up of sealing rubber cushion fit adjustment bar 4 members such as grade.

Wherein, the sealing rubber cushion comprises 13,14 two members of upper and lower rubber cushion.

Following rubber cushion 14 is installed in the indent circular groove of loam cake 3, which is provided with central through bore 141, leaves one section space between following rubber cushion 14 and the loam cake 3, forms a pressure chamber.Needle-like cylinder 2 on the loam cake lumen centers axis runs through the central through bore 141 by following rubber cushion 14 just, and the outer diameter of needle-like cylinder 2 is identical with the inner diameter of through hole 141.Simultaneously, on the post jamb of needle-like cylinder, offer the groove of appropriate depth, thereby make rubber cushion 14 down communicate with intake pipe 7 all the time with gap between the loam cake.

Adjustable lever 4 is the top that hinge is arranged on loam cake 3 by last cover 5, form a registration groove 41 on the adjustable lever 4, then form a registration tooth 61 on the keg float 6, locating slot 41 and locating tooth 61 the two cooperation, proper conveniently adjusted keg float 6 satisfies the different needs of different users to regulating water level.

The aperture 31 at last rubber cushion 13 corresponding loam cakes 3 tops is fixedly mounted on adjustable lever 4 belows, and does upper and lower motion by adjustable lever 4 controls, aperture 31 is opens or closed condition.

When the utility model uses, referring to shown in Figure 2, after tank drains, water level is lower than keg float 6 positions, keg float 6 no floating functions, only sagging by deadweight, driving adjustable lever 4 tilts, make between the aperture 31 at rubber cushion 13 and loam cake 3 tops and be the unlatching shape, water in the space under being between rubber cushion 14 and the loam cake 3 promptly flows into water tanks by aperture 31, hydraulic pressure in the pressure chamber between following rubber cushion 14 and the loam cake 3 reduces, hydraulic pressure in the inlet valve body 8 also reduces, from the water of intake pipe 7 because of its hydraulic pressure greater than the hydraulic pressure in the inlet valve body 8, and the unidirectional valve ball 9 of rushing to summit is the unlatching shape, simultaneously, following rubber cushion 14 also since in the intake pipe 7 hydraulic pressure greater than the hydraulic pressure in the following pressure chamber between rubber cushion 14 and the loam cake 3, and producing upwards distortion under the effect of hydraulic pressure and under the effect of rubber cushion self elastic force, make down between the outlet pipe 81 of rubber cushion 14 and inlet valve body 8 and also be the unlatching shape, water flows to inlet valve body 8 from intake pipe 7, gap under passing through again between the outlet pipe 81 of rubber cushion 14 and inlet valve body 8, and down on the rubber cushion 14 groove between through hole 141 and the needle-like cylinder 2 and the aperture 31 at loam cake 3 tops flow in the water tanks, realize intaking.

After water inlet, when cistern water level is higher than keg float 6 positions, keg float 6 upwarps owing to floating function, driving adjustable lever 4 tilts, make to be between the aperture 31 at rubber cushion 13 and loam cake 3 tops and close shape, originally flowed into down the water in the pressure chamber between rubber cushion 14 and the loam cake 3 by the groove between through hole 141 and the needle-like cylinder 2 on the following rubber cushion 14, can't be again flow into water tanks from the aperture 31 at loam cake 3 tops, and can only amass in last, following rubber cushion 13, produce back pressure between 14, the i.e. distortion downwards under hydraulic action of following rubber cushion 14, cover on outlet pipe 81 mouths of pipe of inlet valve body 8, make down also to be between the outlet pipe 81 of rubber cushion 14 and inlet valve body 8 and close shape, so far, stop into water.

Claims

1, a kind of tank intake valve of water, mainly form by members such as sealing rubber cushion fit adjustment bars, the sealing rubber cushion comprises two members of upper and lower rubber cushion, following rubber cushion is installed on the indent circular groove of loam cake, following rubber cushion is provided with a central through bore, a needle-like cylinder that fuses with loam cake is run through at this through hole center, adjustable lever is arranged on the top of loam cake by hinge, it is characterized in that: leave one section space between following rubber cushion and the loam cake and form a pressure chamber, last rubber cushion is controlled by adjustable lever, and is arranged on directly over the aperture of tops.

2, a kind of tank intake valve of water as claimed in claim 1 is characterized in that: the aperture of going up tops on the rubber cushion correspondence is fixedly mounted on the adjustable lever below.

3, a kind of tank intake valve of water as claimed in claim 1 is characterized in that: this needle-like cylinder becomes to be slidingly matched with the central through bore of following rubber cushion, offers the groove of appropriate depth simultaneously on the sidewall of its cylinder.

4, a kind of tank intake valve of water as claimed in claim 1 is characterized in that: form a registration groove on the adjustable lever, then form a registration tooth on the keg float, locating slot and locating tooth cooperatively interact.