CN201866345U - Novel check valve - Google Patents

Abstract

The utility model discloses a novel check valve. The outer side of the bottom of a small water tank, near a through hole, is provided with a pivot seat. The check valve is moveably and pivotally arranged on the pivot seat and provided with a cavity which is reversely buckled downwards. When the cavity is affected by the buoyancy of water, the check valve pivotally rotates upwards to plug the through hole; and when the cavity is not affected by the buoyancy of water, the check valve comes down freely to open the through hole. The novel check valve accelerates the water discharge of the small water tank on a water inlet valve device, improves the universality of the water inlet valve and saves cost.

Description

A kind of novel one-way valve

Technical field

The utility model relates to the technical field of cleaners and polishes, relates in particular to a kind of novel one-way valve that is applied on the toilet inlet valve.

Background technique

At present, flush toilet commonly used, as shown in Figure 1 to Figure 3, its inlet valve mechanism comprises intake pipe 1, keg float 2, adjusting screw rod 3 and connecting rod 4, wherein, the top of intake pipe 1 is snapped with loam cake 5; Keg float 2 back-offs are in a little water tank 6, only expose its bottom surface 21, and has a screw 22 that supplies adjusting screw rod 3 to wear on its bottom surface 21, the bottom 61 of little water tank 6 has one and runs through bottom 61 through hole 62, and through hole 62 inwalls have a sealing face 63, is arranged with an one-way valve 7 in the through hole 62, this one-way valve 7 comprises main body 71 and clamping part 72, its main body 71 is the barrel shaped structure of a back-off, and its clamping part 72 is barb-like, is arranged in the inboard of sealing face 63; Adjusting screw rod 3 comprises axostylus axostyle 31, threaded pipe 32 and reducing sleeve 33, the end of loam cake 5 link arms 51 is fixed in the upper end of axostylus axostyle 31, the lower end is set in the threaded pipe 32 and by the screw 22 of threaded pipe 32 with keg float 2 bottom surfaces and is spirally connected, reducing sleeve 33 is set in the upper end that is positioned at threaded pipe 32 on the axostylus axostyle 31, and with the upper end clamping of threaded pipe 32, the upper end of reducing sleeve 33 is articulated in an end of connecting rod 4; The other end of connecting rod 4 and loam cake 5 articulates, and which is provided with valve plug 41, the back pressure hole 52 on the loam cake 5.

The one-way valve 7 of said structure in use, behind water tank water intake, when the water line in the cistern exceeds water line in the little water tank 6, one-way valve 7 is upwards held out against in sealing face 63 by floating function, stop water to enter little water tank 6 inside from through hole 62, water can only enter in the little water tank 6 by the top of little water tank 6, keg float 2 is at the floating function float downward, driving threaded pipe 32 upwards slides along axostylus axostyle 31, thereby drivening rod 4 is inclined upwardly, make the valve plug 41 on the connecting rod 4 block back pressure hole 52, back pressure hole 52 is closed, and realizes sealing.

After the flush toilet draining, when the water line in the cistern was lower than water line in the little water tank 6, one-way valve 7 was opened, and is hooked in the another side of sealing face 63 until clamping part 72, water flows out little water tank 6 through the gap of 62 of one-way valve 7 and through holes, the buoyancy that acts on keg float 2 is eliminated, and keg float 2 descends under action of gravity, and drive threaded pipe 32 along axostylus axostyle 31 to downslide, thereby drivening rod 4 is downward-sloping, make the valve plug 41 on the connecting rod 4 leave back pressure hole 52, back pressure hole 52 is opened, and realizes water inlet.

When the water in the little water tank 6 all drained, keg float 2 dropped to minimum point, and drivening rod 4 is downward-sloping, and back pressure hole 52 is opened fully, and inlet valve mechanism could be realized water inlet fast.And when same inlet valve mechanism is installed in the cistern of some broads, because of the discharge level line falls very little, the water velocity of discharge of then little water tank 6 inside is slower, one-way valve 6 still is in bigger floating function, water line is higher than water line height in the cistern in the little water tank 6, keg float 2 can't be fallen the position fully, causes inlet valve mechanism in time to intake.Influenced the versatility that inlet valve mechanism uses greatly on various model toilets, so the said structure of inlet valve mechanism haves much room for improvement.

In view of the demand, this case produces thus.

The model utility content

The purpose of this utility model is to provide a kind of novel one-way valve, improves the water speed that unloads of little water tank on the inlet valve mechanism, promotes the versatility of inlet valve, saves cost.

To achieve these goals, the technical solution of the utility model is:

A kind of novel one-way valve, this one-way valve have the movable bottom outside that is positioned at little water tank that is hubbed at and also can block through hole and can open the cavity of through hole downwards because of not being subjected to the floating function freedom because of the water floating function upwards pivots near a drive-connecting shaft on the pin joint seat of through hole and a downward back-off.

Described one-way valve profile is " A " font.

Described one-way valve profile is " D " font.

Adopt said structure, the utility model in use, behind water tank water intake, when water level is higher than water level in the little water tank in the cistern, one-way valve is subjected to floating function to be adjacent to the through hole outside of little water tank, stop water to enter little water tank inside from through hole, water can only enter by the top of little water tank in the little water tank, and keg float is at the floating function float downward, driving threaded pipe upwards slides along axostylus axostyle, thereby drivening rod is inclined upwardly, and back pressure hole is closed, and realizes sealing; After the flush toilet draining, water level is lower than water level in the little water tank in the cistern, one-way valve is opened, through hole is opened, because the structure of above-mentioned one-way valve has strengthened the sectional area that water flows out from through hole, water in the little water tank flows out fast from through hole is inner, cause keg float to fall after rise rapidly, drivening rod is downward-sloping, and back pressure hole is opened, realize water inlet, even if use on the cistern of broad, the water in the little water tank also can flow out fast, realizes the quick water inlet of inlet valve, thereby promote the versatility of inlet valve, help cost savings.

Description of drawings

Fig. 1 is a prior art overall structure schematic representation;

Fig. 2 is the generalized section of first user mode;

Fig. 3 is the generalized section of second user mode;

Fig. 4 is the partial structurtes schematic representation of the utility model preferred embodiment;

Fig. 5 is the partial structurtes schematic representation of the utility model first user mode;

Fig. 6 is the partial structurtes schematic representation of the utility model second user mode;

Fig. 7 is the overall structure schematic representation of the utility model preferred embodiment

Fig. 8 is the generalized section of the utility model first user mode;

Fig. 9 is the generalized section of the utility model second user mode.

Label declaration:

Intake pipe 1

Keg float 2 bottom surfaces 21 screws 22

Adjusting screw rod 3 axostylus axostyles 31

Threaded pipe 32 reducing sleeves 33

Connecting rod 4 valve plugs 41

Loam cake 5 link arms 51 back pressure hole 52

Little water tank 6 bottoms 61 through holes 62

Sealing face 63 pin joint seat 601 " C " type openings 602

One-way valve 7

Main body 71 clamping parts 72

One-way valve 70

Drive-connecting shaft 701

Cavity 702

The utility model is described in further detail below in conjunction with accompanying drawing:

Embodiment

As shown in Figure 4, a kind of novel one-way valve 70, promptly has a pin joint seat 601 near through hole 62 places in 61 outsides, bottom of little water tank 6, this pin joint seat 601 has one " C " type opening 602, and the both sides of one-way valve 70 have drive-connecting shaft 701 respectively, one-way valve 70 is installed on the pin joint seat 601 from " C " type opening 602, and can rotate at an angle on pin joint seat 601 around drive-connecting shaft 701, and this one-way valve 70 also has the cavity 702 of a downward back-off.

As Fig. 5, shown in Figure 6, when being subjected to buoyancy of water, one-way valve 70 do not do the time spent, and downwards free; Cavity 702 below one-way valve 70 is subjected to the buoyancy of water effect, can make progress by drive-connecting shaft 701 to swing, and be adjacent to the bottom 61 of little water tank 6, from little water tank 6 outer side covers through holes 62, makes the bottom surface sealing of little water tank 6.

As Fig. 7, shown in Figure 8, behind water tank water intake, when the water line in the cistern was higher than water line in the little water tank 6, one-way valve 70 was subjected to floating function to be adjacent to through hole 62 outsides of little water tank 6, stops water to enter little water tank 6 inside from through hole 62, water can only enter in the little water tank 6 by the top of little water tank 6, keg float 2 drives threaded pipe 32 and upwards slide along axostylus axostyle 31, thereby drivening rod 4 is inclined upwardly at the floating function float downward, back pressure hole 52 is closed, realize sealing.

As shown in Figure 9, after the flush toilet draining, when the water line in the cistern was lower than water line in the little water tank 6, one-way valve 70 was opened, through hole 62 is opened, water in the little water tank 6 is from through hole 62 inner outflows fast, and the buoyancy that acts on keg float 2 is eliminated, and keg float 2 descends under action of gravity, drive threaded pipe 32 along axostylus axostyle 31 to lower slider, thereby drivening rod 4 is downward-sloping, and the valve plug 41 on the connecting rod 4 is opened, and realizes water inlet.Because the structure of above-mentioned one-way valve 7 has strengthened the sectional area that water flows out from through hole 62, water in the little water tank 6 flows out and speeds up, cause keg float 2 to fall after rise rapidly, drivening rod 4 is downward-sloping, even if use on the cistern of broad, also can realize quick water inlet, thereby promote the versatility of inlet valve mechanism, help cost savings.

Above-mentioned one-way valve 70 can be " A " font, " D " font or other satisfies the arbitrary shape of above-mentioned condition.

Key points in design of the present utility model is, replace original one-way valve 7 structures with novel one-way valve 70 structures, and the other parts of inlet valve mechanism all can adopt prior art, by the sectional area of increased water flow from through hole 62 outflows, thereby promote the versatility of inlet valve mechanism, save cost, and ease of assembly.

Above-mentioned only is preferred embodiment of the present utility model; it is not qualification to this case practical range; in the ken that those of ordinary skills possessed; key points in design based on this case; also can make many variations, but all should fall in the protection domain of the present utility model its concrete example.

Claims (3)

1. novel one-way valve is characterized in that: this one-way valve has the movable bottom outside that is positioned at little water tank of being hubbed near the drive-connecting shaft on the pin joint seat of through hole and a downward back-off and can block through hole and can be because of not being subjected to the free downward cavity that open through hole of floating function because of the water floating function upwards pivots.

2. a kind of novel one-way valve as claimed in claim 1 is characterized in that: described one-way valve profile is " A " font.

3. a kind of novel one-way valve as claimed in claim 1 is characterized in that: described one-way valve profile is " D " font.

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