CN215948386U - Water inlet valve water replenishing device fixed on drain valve - Google Patents

Abstract

The utility model discloses a water replenishing device of a water inlet valve, which is fixed on a water discharge valve, and comprises a valve body of the water inlet valve and an overflow pipe communicated to a toilet seat, wherein an overflow port is formed above the overflow pipe, the valve body is provided with a water discharge cavity, the valve body is arranged in a toilet water tank and just faces to the position above the overflow port, a water replenishing channel communicated with the water discharge cavity is arranged below the valve body, and the water replenishing channel is directly positioned above the overflow port. The water replenishing channel is communicated with the drainage cavity on the valve body of the water inlet valve, water is discharged along with the drainage cavity, an independent water replenishing control mechanism is not needed, the water replenishing channel is directly arranged above the overflow port, and a water replenishing pipe is not needed to be additionally arranged to drain water to the overflow pipe, so that the water replenishing structure is simpler and more compact.

Description

Water inlet valve water replenishing device fixed on drain valve

Technical Field

The utility model relates to the technical field of water replenishing devices of toilets, in particular to a water replenishing device of a water inlet valve, which is fixed on a water discharge valve.

Background

A flush toilet is generally provided with a toilet tank, a water inlet valve and a water discharge valve are arranged in the toilet tank, the water inlet valve introduces water flow in a household water pipeline into the toilet tank to replenish water to the toilet tank, the water discharge valve discharges water stored in the toilet tank to a toilet seat, and because the toilet tank is higher than the toilet seat, potential energy of the water stored in the toilet tank is converted into kinetic energy after being discharged from the water discharge valve, and then excrement in the toilet seat is flushed to enter a sewer pipe.

The pipeline below the toilet seat is bent in an S shape to form a trap, and after flushing is completed, the water replenishing device in the toilet water tank continuously drains water to the toilet seat so as to replenish water into the trap, so that a liquid seal is formed between the toilet seat and the lower water pipe, and gas in the lower water pipe is prevented from overflowing from the toilet seat.

Common moisturizing device usually has two kinds of forms, one is for setting up the moisturizing passageway on the water intaking valve, control mechanism control moisturizing passageway through the water intaking valve goes out water, set up the moisturizing pipe outside the moisturizing passageway, the moisturizing pipe is the hose usually, in the overflow pipe with moisturizing passageway exhaust rivers drainage to the drain valve, discharge to the closestool seat from the overflow pipe again, another kind is for setting up independent moisturizing device on the overflow pipe, this kind of moisturizing device lug connection domestic water pipe network, and be equipped with independent moisturizing control mechanism, control moisturizing passageway is discharged rivers to the overflow pipe, first moisturizing device need set up the moisturizing pipe alone, and second moisturizing device need set up solitary moisturizing control mechanism, it is succinct inadequately all to make the moisturizing structure, compact.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a water replenishing device of a water inlet valve fixed on a drain valve, which overcomes the defects and is provided with a water replenishing channel directly positioned above an overflow pipe.

In order to achieve the above purpose, the solution of the utility model is: the utility model provides a be fixed in water intaking valve moisturizing device on drain valve, includes the valve body of water intaking valve, sets up the overflow pipe on the drain valve base, open the overflow pipe top has the overflow mouth, the valve body is equipped with the drainage chamber, the valve body sets up just to the position above the overflow mouth in toilet tank, the below of valve body is equipped with and drains the communicating moisturizing passageway in chamber, the moisturizing passageway is directly located overflow mouth top.

Further, the valve body is mounted on the overflow pipe.

Further, the moisturizing passageway on be equipped with the moisturizing knob, the moisturizing knob is equipped with the regulation hole in the moisturizing passageway, moisturizing knob one end is connected with the rotatory handle of control moisturizing knob outside extending the moisturizing passageway, rotatory moisturizing knob changes the dislocation angle of regulation hole and moisturizing passageway to change the moisturizing proportion of moisturizing passageway.

Further, be equipped with moisturizing knob mounting hole on the moisturizing passageway, the moisturizing knob mounting hole intersects with the moisturizing passageway, the moisturizing knob is rotationally installed on moisturizing knob mounting hole, and runs through the moisturizing passageway.

Further, the water replenishing knob mounting hole is provided with sealing rings on two sides of the water replenishing channel, and the sealing rings surround the side wall of the water replenishing knob.

Further, the handle extends to the valve body surface the handle inboard surface with the valve body surface offsets, the moisturizing knob is keeping away from the one end of handle is equipped with the elasticity joint tooth, the one end at moisturizing knob mounting hole is connected in the joint of elasticity joint tooth.

Furthermore, the handle is in the surface department of valve body is equipped with the scale mark, the valve body surface is equipped with the pointer to the scale mark, and the rotatory in-process of moisturizing knob, the pointer points to different positions on the scale mark.

Further, a shifting lever extends from the handle and is attached to the outer surface of the valve body, a maximum water level limiting block and a minimum water level limiting block are arranged on the outer surface of the valve body, the shifting lever rotates between the maximum water level limiting block and the minimum water level limiting block, and in the process that the shifting lever rotates from the maximum water level limiting block to the minimum water level limiting block, the dislocation angle between the adjusting hole and the water replenishing channel is gradually increased.

After the scheme is adopted, the utility model has the beneficial effects that: the valve body sets up just to the position of overflow mouth top in toilet tank, the below of valve body is equipped with and arranges the communicating moisturizing passageway in water cavity, the moisturizing passageway directly is located overflow mouth top, and the drainage cavity intercommunication on the valve body of moisturizing passageway and water intaking valve is along with arranging water cavity and together going out water, and water intaking valve moisturizing device carries out the moisturizing to the toilet seat when intaking to toilet tank, and the moisturizing is stopped when toilet tank intake the end, need not to set up control mechanism for moisturizing device alone, and the moisturizing passageway directly sets up the top at the overflow mouth, need not to add the moisturizing pipe again and drains rivers to the overflow pipe, makes the moisturizing structure more succinct, compact.

Drawings

FIG. 1 is a schematic structural diagram of embodiment 1 of the present invention;

FIG. 2 is a schematic structural diagram of embodiment 2 of the present invention;

FIG. 3 is an exploded view of the valve body and buoyancy control mechanism of the present invention;

FIG. 4 is a cross-sectional view of the valve body and buoyancy control mechanism of the present invention;

FIG. 5 is an exploded view of the back pressure valve of the present invention;

FIG. 6 is an exploded view of an overflow tube according to embodiment 1 of the present invention;

FIG. 7(a) is a schematic view of the structure of the tank and the pontoon of the utility model;

FIG. 7(b) is a schematic view of the structure of the stopper of the present invention;

FIG. 8(a) is a schematic view of the refill knob of the present invention installed;

FIG. 8(b) is a sectional view of the refill knob of the present invention;

FIG. 9(a) is a sectional view of the refill knob of the present invention in another direction;

FIG. 9(b) is a schematic view showing the installation position of the packing of the present invention;

fig. 10 is a schematic view of the internal waterway of the valve body of the present invention.

Description of reference numerals:

1-overflow port, 2-buoyancy valve control mechanism, 21-water tank, 211-through hole, 212-water tank link hole, 22-float, 221-float link hole, 23-float screw, 233-water stop slider, 234-water stop chute, 24-water tank bolt, 25-check valve, 3-drain valve, 4-overflow pipe, 41-fixed pipe, 411-positioning tooth, 412-lug, 42-movable sleeve, 421-snap tooth, 422-snap groove, 5-valve body, 51-water inlet, 52-water outlet, 53-water inlet cavity, 531-water stop, 54-water discharge cavity, 55-mounting port, 56-water receiving groove, 563-valve body mounting hole, 564-annular socket joint part, 565-limiting part, 566-buoy screw rod limit hole, 567-tank bolt limit hole, 568-tank bolt connection groove, 57-valve body mounting pin, 58-water supplement channel, 580-elastic snap tooth, 581-water supplement knob, 582-handle, 583-adjustment hole, 584-water supplement knob mounting hole, 585-deflector rod, 586-maximum water level limit block, 587-minimum water level limit block, 588-graduation line, 589-pointer, 590-seal ring, 59-seal plug, 591-anti-siphon pad, 592-anti-siphon cover, 593-anti-siphon cavity, 594-anti-siphon suction port, 595-water guide port, 598-air inlet, 6-back pressure valve, 61-water stop cover, 611-first pivot hole, 612-second pivot hole, 613-water stop slide rail, 62-water stop pad, 63-first rotating arm, 631-first rotating shaft, 632-long arm, 633-short arm, 634-sliding chute, 64-second rotating arm, 641-second rotating shaft, 642-sliding column, 65-back pressure pad, 66-back pressure cavity, 67-water through hole, 68-back pressure hole, 7-water outlet hose, 8-water inlet pipe and 9-buoyancy control mechanism.

Detailed Description

The utility model is described in detail below with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 and 4, the present invention provides a water inlet valve water replenishing device fixed on a water outlet valve, which comprises a valve body 5 and a buoyancy valve control mechanism 2, wherein a water inlet cavity 53 and a water outlet cavity 54 are arranged in the valve body 5, the water inlet cavity 53 is provided with a water inlet 51, the water outlet cavity 54 is provided with a water outlet 52, the buoyancy valve control mechanism 2 controls the on-off of a water path between the water inlet cavity 53 and the water outlet cavity 54, the valve body 5 is arranged in a position in a toilet water tank, which is just above an overflow port 1, in the embodiment, the valve body 5 is arranged on an overflow pipe 4 of the water outlet valve of the toilet water tank, so that the overflow pipe 4 is adopted to support and fix the valve body 5, the valve body 5 can be fixedly connected on the side wall of the toilet water tank, an independent support structure is arranged to support the valve body 5, and the water inlet 51 is communicated with a household water pipe network through a water inlet pipe 8 which plays a connecting role, the outlet 52 is located outside the overflow tube 4 and leads to the toilet tank.

Specifically, as shown in fig. 3 and 4, the water inlet cavity 53 is located in the center of the valve body 5, the water discharge cavity 54 is surrounded outside the water inlet cavity 53, the water inlet cavity 53 and the water discharge cavity 54 extend along the horizontal direction, a water inlet 51 is arranged at one end of the water inlet cavity 53 extending horizontally, a water inlet pipe 8 is sleeved outside the water inlet 51, the water inlet pipe 8 is a hose, the water inlet pipe 8 can be a rigid pipe, one end of the water inlet pipe 8 is connected with the water inlet 51, a socket joint is arranged at the other end of the water inlet pipe 8, the water inlet pipe 8 is connected with a household water pipe network through the socket joint, the socket joint can be any existing hose joint, which is not specifically described in this embodiment, when the toilet water tank is in a side water inlet form, the water inlet pipe 8 is arranged to be communicated with the corresponding position of the side wall of the toilet water tank, and when the toilet water tank is bottom water inlet, the water inlet pipe 8 is arranged to be communicated with the corresponding position of the bottom of the toilet water tank, aiming at toilet water tanks with different installation forms, the water inlet valve in the embodiment is realized by bending the water inlet pipe 8 to a proper position, the water outlet 52 is arranged at the lower side of the valve body 5 of the water outlet cavity 54, the water outlet 52 is positioned outside the overflow pipe 4, the outer side of the water outlet 52 is spliced with the water outlet hose 7, the water outlet hose 7 can also be a rigid pipe, the length of the water outlet hose 7 can be correspondingly set according to the actual installation space of the toilet water tank, and the water inlet cavity 53 is communicated with the water outlet cavity 54 at the water stop 531 positioned at the other end of the water inlet cavity 53;

the buoyancy valve control mechanism 2 comprises a backpressure valve 6 and a buoyancy control mechanism 9, the backpressure valve 6 is used for plugging or opening the water stopping port 531, the valve body 5 is provided with an installation port 55 outside the water stopping port 531, the backpressure valve 6 is installed in the installation port 55 in a sealing mode, and the welfare control mechanism 9 controls the opening or closing of the water stopping port through the backpressure valve 6.

As shown in fig. 3, 4 and 5, the back pressure valve 6 includes a water stop cover 61, a water stop pad 62, a first rotating arm 63, a second rotating arm 64 and a back pressure pad 65, the water stop cover 61 is clamped in the mounting opening 55, one side of the water stop pad 62 abuts against the water stop opening 531, the other side of the water stop pad 62 is fastened with the water stop cover 61 to form a back pressure cavity 66, the water stop pad 62 is provided with a water through hole 67 communicating the water inlet cavity 53 and the back pressure cavity 66, and the water stop cover 61 is provided with a back pressure hole 68 communicating the back pressure cavity 66 with the outside; when the back pressure hole 68 is blocked, water flow in the water inlet cavity 53 enters the back pressure cavity 66 through the water through hole 67 under the action of water pressure, the water pressure of the back pressure cavity 66 rises, the water pressure pushes the water stop pad 62 to block the water stop hole 531, the water inlet cavity 53 stops water inflow to the water discharge cavity 54, when the back pressure hole 68 is opened, the back pressure cavity 66 is communicated with the outside, the water pressure in the back pressure cavity 66 is reduced, the water pressure in the water inlet cavity 53 pushes the water stop pad 62 to open the water stop hole 531, water inflow is realized, namely, the opening or closing of the back pressure hole 68 is realized, and the on-off of a water channel between the water inlet cavity 53 and the water discharge cavity 54 of the valve body 5 can be controlled;

the first rotating arm 63 is parallel to the end surface of the water stop cover 61 and is pivoted to one side of the water stop cover 61 through a first rotating shaft 631, a first pivot hole 611 is arranged on the water stop cover 61, the first rotating shaft 631 is rotatably inserted into the first pivot hole 611, the first rotating shaft 631 divides the first rotating arm 63 into a long arm 632 and a short arm 633, and the end of the long arm 632 is a free end; the second rotating arm 64 is parallel to the end surface of the water stop cover 61 and is pivoted to the other side of the water stop cover 61 through a second rotating shaft 641 positioned at one end of the second rotating arm 64, a second pivot hole 612 is arranged on the water stop cover, the second rotating shaft 641 is rotatably arranged on the second pivot hole 612 in a penetrating way, the other end of the second rotating arm 64 strides over the outer side of the back pressure hole 68 and is connected with a short arm 633 of the first rotating arm 63 in a sliding way, the second rotating arm 64 and the first rotating arm 63 form a semi-closed ring with an opening and are hooped on two sides of the water stop cover 61, and the second rotating arm 64 is provided with a back pressure pad 65 corresponding to the position of the back pressure hole 68; when the first rotating arm 63 is pushed to drive the second rotating arm 64 to rotate around the shaft, the back pressure pad 65 is driven to open or close the back pressure hole 68; the second rotating arm 64 and the first rotating arm 63 are cooperatively connected with a sliding groove 634 through a sliding column 642, the sliding column 642 slides in the sliding groove 634, so that the second rotating arm 64 and the first rotating arm 63 can move together, when the long arm 632 of the first rotating arm 63 is pushed upwards, the first rotating arm 63 rotates around a shaft, the short arm 633 of the first rotating arm 63 moves downwards, the sliding groove 634 arranged at the end of the short arm 633 drives the sliding column 642 of the second rotating arm 64 to slide downwards, the second rotating arm 64 rotates around the second rotating shaft, and then the second rotating arm 64 is close to the water stop cover 61, and the back pressure pad 65 closes the back pressure hole 68.

As shown in fig. 3 and 4, in this embodiment, the valve body 5 includes a water receiving tank 56, the water receiving tank 56 is disposed below the valve body 5, the water receiving tank 56 is provided with a valve body mounting hole 563, the valve body 5 is provided with a valve body mounting pin 57 that is matched with the valve body mounting hole 563, and the valve body 5 is mounted above the water receiving tank 56 through matching between the valve body mounting pin 57 and the valve body mounting hole 563; an annular sleeve joint part 564 is arranged below the water receiving tank 56, the water receiving tank 56 is rotatably sleeved on the top of the overflow pipe 4 through the annular sleeve joint part 564, the water receiving tank 56 is opened on the side wall of the annular sleeve joint part 564, the opening leads to the overflow port 1, when the water level in the toilet water tank reaches the maximum allowable water level due to the failure of the water inlet valve of the toilet water tank, water flow enters the overflow pipe 4 along the overflow port 1 and then is discharged along the drain valve 3 so as to prevent the overflow of the water in the toilet water tank due to the failure of the water inlet, the water receiving tank 56 covers the lower part of the backpressure valve 6, a small amount of backpressure water flows out along the backpressure hole 68 through the backpressure hole 68 of the backpressure valve 6 in an opening state, the water receiving tank 56 receives the backpressure water flowing out from the backpressure hole 68, the opening at the bottom of the water receiving tank 56 conducts the backpressure water to the overflow port 1 and then is discharged out of the toilet water tank along the drain valve 3, the water flow flowing out of the back pressure hole 68 is prevented from dropping into the water tank of the toilet water inlet valve, and the normal control of the back pressure valve by the buoyancy control mechanism 2 is influenced.

As shown in fig. 1, 4, and 6, in order to enable a water inlet valve mounted on an overflow pipe to be height-adjustable according to different toilet tanks, the present disclosure provides a water inlet valve height adjusting device, which is configured to set a height adjusting device on the overflow pipe by using the upward extending height of the overflow pipe, connect the water inlet valve to the height adjusting device, and further adjust the height of the water inlet valve in the toilet tank, specifically, the overflow pipe 4 includes a fixed pipe 41 and a movable sleeve 42, the movable sleeve 42 is a cylindrical pipe with a smooth outer surface, an inner diameter of an annular socket portion 564 disposed below the water receiving tank 56 is not smaller than an outer diameter of the movable sleeve 42, and the annular socket portion 564 is rotatably sleeved above the movable sleeve 42; the outer wall of the fixed pipe 41 is vertically arrayed with positioning teeth 411 along the fixed pipe, a bump 412 is arranged between every two adjacent positioning teeth 411, the positioning teeth 411 are arrayed from the bottom of the fixed pipe 41 to the top of the fixed pipe 41, the inner wall of the movable sleeve 42 is provided with clamping teeth 421 clamped with the positioning teeth 411, the clamping teeth 421 are provided with clamping grooves 422 clamped with the bumps 412, the movable sleeve 42 is rotatably sleeved on the fixed pipe 41, the movable sleeve 42 rotates to enable the clamping teeth 421 to be screwed into the positioning teeth 411, after the clamping teeth 421 are screwed into the positioning teeth 411, the bump 412 is clamped with the clamping grooves 422, the movable sleeve 42 and the fixed pipe 41 are circumferentially fixed, the movable sleeve 42 is reversely rotated to enable the positioning teeth 411 to be screwed out of the clamping teeth, at the moment, the movable sleeve 42 can vertically move along the fixed pipe 41, and after moving to a height to be adjusted, the clamping teeth 421 are screwed into the positioning teeth 411 on the height, the clamping teeth 421 are clamped with the positioning teeth 411, the movable sleeve 42 is fixed at a certain height of the fixed pipe 41, the height adjustment is completed, the valve body 5 is sleeved with the movable sleeve 42 through an annular sleeve joint part 564 arranged on the water receiving groove 56 of the valve body, the valve body moves up and down along the fixed pipe 41 along with the movable sleeve 42, and then the height of the valve body 5 in the toilet water tank is adjusted through the clamping of the positioning teeth 411 and the clamping teeth 421.

As shown in fig. 3, 4, 7(a), and 7(b), the valve body 5 is provided with a limit portion 565, and the buoyancy control mechanism 2 further includes a water tank 21, a float 22, a float screw 23, and a water tank bolt 24:

the water tank 21 is provided with a through hole 211 along the vertical direction, the water tank 21 is movably sleeved on the overflow pipe 4 through the through hole 211, the water tank 21 can slide up and down along the overflow pipe 4 and rotate circumferentially, an opening is formed in the upper part of the water tank 21, the float 22 falls in the water tank 21, a check valve 25 only supplying water is arranged below the water tank 21, the check valve 25 is the prior art, and detailed explanation is not provided in this embodiment;

be equipped with the spacing hole 566 of flotation pontoon screw rod on spacing portion 565, flotation pontoon screw rod 23 passes the spacing hole 566 of flotation pontoon screw rod, restricts flotation pontoon screw rod 23's radial displacement, flotation pontoon screw rod 23 lower part is equipped with the screw thread section, flotation pontoon 22 is equipped with the flotation pontoon connecting hole 221 with screw thread section matched with, and flotation pontoon screw rod 23 passes through flotation pontoon connecting hole 221 spiro union flotation pontoon 22, flotation pontoon screw rod 23 on be equipped with the draw-in groove, draw-in groove joint stagnant water slider 233, stagnant water slider 233 sets up stagnant water spout 234 along vertical direction, stagnant water lid 61 is equipped with stagnant water slide rail 613 along vertical direction, stagnant water spout 234 slip joint is on stagnant water slide rail 613, stagnant water slider 233 connects the long arm 632 end of first rotation arm 63, flotation pontoon 22 is in up-and-down motion in the water tank 21 drives flotation pontoon screw rod 23 up-and-down motion, and flotation pontoon screw rod 23 drives first rotation arm 63, the second rotating arm 64 is tightened or loosened on two sides of the water stop cover 61, so that the back pressure pad 65 is controlled to block or open the back pressure hole 68;

a water tank bolt limiting hole 567 is formed in the limiting portion 565, the water tank bolt 24 penetrates through the water tank bolt limiting hole 567, the limiting portion 565 limits the radial movement of the water tank bolt 24 through the water tank bolt limiting hole 567, a bolt thread section with the opposite rotation direction to the screw thread section is arranged below the water tank bolt 24, a water tank link hole 212 matched with the bolt thread section on the water tank bolt 24 is formed in the water tank 21, the lower portion of the water tank bolt 24 is in threaded connection with the water tank 21 through the water tank link hole 212, a water tank bolt connecting groove 568 is formed in the valve body 5, and the upper portion of the water tank bolt 24 penetrates through the water tank bolt connecting groove 568 and is rotatably connected to the valve body 5;

the floating barrel screw 23 and the water tank bolt 24 are in meshed transmission, so that the rotating directions of the floating barrel screw 23 and the water tank bolt 24 are opposite, and the floating barrel screw 23 or the water tank bolt 24 is rotated due to the fact that the rotating directions of the screw thread section and the bolt thread section are opposite, so that the floating barrel 22 and the water tank 21 can move in the same direction at the same time.

As shown in fig. 3, 8(a), 8(b), 9(a), and 9(b), this section provides a water replenishing device, which is generally conducted to a drain valve through a pipe connection from a water replenishing channel on a water inlet valve, in this embodiment, the water replenishing channel of the water replenishing device is directly opened above an overflow pipe, and a water replenishing strip adjusting mechanism is directly arranged on the water replenishing channel, so that the structure is more compact, specifically, a water replenishing channel 58 communicated with a water draining cavity 54 is arranged below a valve body 5, the water replenishing channel 58 is directly arranged above an overflow port 1, the water replenishing channel 58 is provided with a water replenishing knob mounting hole 584 perpendicularly intersecting the water replenishing channel 58, the water replenishing knob 581 is rotatably mounted in the water replenishing knob mounting hole 584 and penetrates through the water replenishing channel 58 to separate a water inlet end and a water outlet end of the water replenishing channel 58, the water replenishing knob mounting hole 584 is provided with sealing rings 590 on two sides of the water replenishing channel 58, the sealing ring 590 surrounds the side wall of the water replenishing knob 581 to prevent the water leakage at the joint of the water replenishing knob 581 and the water replenishing knob 584, one end of the water replenishing knob 581 extends out of the water replenishing channel 58 and is connected with a handle 582 controlling the rotation of the water replenishing knob 581, in this embodiment, the handle 582 extends to the outer surface of the water receiving tank 56 of the valve body 5, the inner side surface of the handle 582 abuts against the outer surface of the valve body 5, a deflector rod 585 extends on the outer surface of the water receiving tank 56 of the valve body 5, the outer surface of the water receiving tank 56 of the valve body 5 is provided with a maximum water level stopper 586 and a minimum water level stopper 587, the water replenishing knob 581 is provided with an adjusting hole 583 in the water replenishing channel 58, the adjusting hole 583 and the axis of the water replenishing channel 58 are located on the same plane, the water replenishing knob 581 is rotated to change the dislocation angle of the adjusting hole 583 and the water replenishing channel 58, and when the adjusting hole 583 and the water replenishing channel 58 are located on the same axis, at the moment, the water supplementing proportion is maximum, the shift lever 585 is abutted against the maximum water level limiting block 586, when the adjusting hole 583 is perpendicular to the water supplementing channel 58, the water supplementing proportion is minimum, the shift lever 585 is abutted against the minimum water level limiting block 587, the handle 582 is provided with a scale line 588 at the outer surface of the water receiving tank 56 of the valve body 5, the outer surface of the water receiving tank 56 of the valve body 5 is provided with a pointer 589 pointing to the scale line 588, when the water supplementing amount is adjusted, the water supplementing knob 581 is shifted, the position of the scale line 588 pointed by the pointer 589 is observed, the proportion of opening of the water supplementing channel 58 can be obtained, one end of the water supplementing knob 581 departing from the handle 582 is provided with an elastic clamping tooth 580 clamped with the water supplementing knob installing hole 584, the water supplementing knob 581 is inserted into the water supplementing knob installing hole 584 from the outer surface of the water receiving tank 56 of the valve body 5, and when the handle 582 is abutted against the surface of the water receiving tank 56 of the valve body 5, the elastic engaging teeth 580 engage with the other end of the water replenishing knob mounting hole 584, so that the water replenishing knob 581 can be axially fixed.

In a further embodiment as shown in fig. 3, 9 and 10, the drainage cavity 54 of the valve body 1 is divided into an upper part and a lower part, one end of the lower drainage cavity is provided with a sealing plug 59, the sealing plug 59 is in a U shape, the sealing plug 59 is mounted at one end of the lower drainage cavity with the opening facing upwards to separate the lower drainage cavity 54 from the water inlet cavity 53, the lower drainage cavity is provided with a water guide 595 extending to the top of the valve body 5, the upper drainage cavity and the water inlet cavity 53 are communicated with a water stop 531, the upper drainage cavity is provided with an anti-siphon port 594 communicated to the top of the valve body, an anti-siphon cavity 593 is arranged above the anti-siphon port 594 and the water guide 595, an anti-siphon pad 591 is arranged in the anti-siphon cavity 593, the anti siphon pad 591 is arranged on the anti-siphon port 594, an anti siphon cover 592 is buckled above the anti siphon cavity 593, the anti-siphon cover 592 is clamped and arranged on the outer wall of the valve body 5, the anti-siphon cover 592 is provided with an air inlet 598 above the anti-siphon pad 591, when water flows out of the anti-siphon port 594, water pressure can be generated in the anti-siphon cavity 593, the anti-siphon pad 591 is lifted off the anti-siphon port 594 and blocks the air inlet 598, the anti-siphon cavity 593 conducts the anti-siphon port 594 with the water guide port 595, when the water stops flowing out of the anti-siphon port 594, the water pressure in the anti-siphon cavity 593 disappears, the anti-siphon pad 591 falls to block the anti-siphon port 594 and open the air inlet 598, the water guide port 595 is communicated with the outside through the air inlet 598, at the moment, if the water inlet pipe generates negative pressure, the water inlet 598 is balanced in air pressure due to the fact that the drainage cavity at the lower part is communicated with the outside, and water flow cannot be sucked back into the drainage cavity from the toilet water tank.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the design of the present invention, and all equivalent changes made in the design key point of the present invention fall within the protection scope of the present invention.

Claims (8)

1. The utility model provides a be fixed in water intaking valve moisturizing device on drain valve which characterized in that: including valve body (5) of water intaking valve, overflow pipe (4) of setting on the drain valve base, overflow pipe (4) top is opened there is overflow mouth (1), valve body (5) are equipped with drainage chamber (54), valve body (5) set up in toilet tank just to the position of overflow mouth (1) top, the below of valve body (5) is equipped with and drains communicating moisturizing passageway (58) in chamber (54), moisturizing passageway (58) directly are located overflow mouth (1) top.

2. The refill device for an inlet valve to be fixed to a drain valve according to claim 1, wherein: the valve body (5) is arranged on the overflow pipe (4).

3. The refill device for an inlet valve to be fixed to a drain valve according to claim 1, wherein: moisturizing passageway (58) on be equipped with moisturizing knob (581), moisturizing knob (581) is equipped with regulation hole (583) in moisturizing passageway (58), moisturizing knob (581) one end is extended outside the moisturizing passageway, is connected with rotatory handle (582) of control moisturizing knob (581), and rotatory moisturizing knob (581) changes the dislocation angle of regulation hole (583) and moisturizing passageway (58) to change the moisturizing proportion of moisturizing passageway (58).

4. The refill device for an inlet valve to be fixed to a drain valve according to claim 3, wherein: be equipped with moisturizing knob mounting hole (584) on moisturizing passageway (58), moisturizing knob mounting hole (584) is crossing with moisturizing passageway (58), moisturizing knob (581) rotationally installs on moisturizing knob mounting hole (584), and runs through moisturizing passageway (58).

5. The refill device for an inlet valve to be fixed to a drain valve according to claim 4, wherein: moisturizing knob mounting hole (584) is equipped with sealing washer (590) in the both sides of moisturizing passageway (58), sealing washer (590) encircle moisturizing knob (581) lateral wall.

6. The refill device for an inlet valve to be fixed to a drain valve according to claim 4, wherein: handle (582) extend to valve body (5) surface, handle (582) inboard surface with valve body (5) surface offsets, moisturizing knob (581) are keeping away from the one end of handle (582) is equipped with elasticity joint tooth (580), the one end of elasticity joint tooth (580) joint at moisturizing knob mounting hole (584).

7. The refill device for an inlet valve to be fixed to a drain valve according to claim 6, wherein: handle (582) be in the surface department of valve body (5) is equipped with scale mark (588), valve body (5) surface is equipped with pointer (589) to the scale mark, and the rotatory in-process of moisturizing knob (581), pointer (589) point to different positions on scale mark (588).

8. The refill device for an inlet valve to be fixed to a drain valve according to claim 3, wherein: extend on handle (582) and have driving lever (585), driving lever (585) paste and lean on valve body (5) surface, valve body (5) surface is equipped with maximum water level stopper (586), minimum water level stopper (587), driving lever (585) rotate between maximum water level stopper (586) and minimum water level stopper (587), driving lever (585) are rotated to the in-process of minimum water level stopper (587) by maximum water level stopper (586), and the dislocation angle between regulation hole (583) and moisturizing passageway (58) is crescent.

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