CN214884134U - Water inlet valve height adjusting device arranged on water discharge valve - Google Patents

Abstract

The utility model discloses a water intaking valve height adjusting device of setting on drain valve, including the valve body of water intaking valve, the overflow pipe of setting on the drain valve base, the overflow pipe is including fixed pipe, movable sleeve, fixed pipe intercommunication toilet seat, movable sleeve cup joints on the fixed pipe, the valve body is connected movable sleeve is last, movable sleeve reciprocates with the height of adjustment valve body in the toilet water tank for fixed pipe. The utility model discloses set up water intaking valve height adjusting device on the overflow pipe to highly adjusting the water intaking valve, make water intaking valve height adjusting device more succinct.

Description

Water inlet valve height adjusting device arranged on water discharge valve

Technical Field

The utility model relates to a closestool water tank water intaking valve altitude mixture control technical field, in particular to water intaking valve altitude mixture control device of setting on the drain valve.

Background

The toilet tank is usually provided with a drain valve and a water inlet valve, the drain valve discharges water stored in the toilet tank to flush the toilet seat, the drain valve is usually provided with an overflow pipe communicated to the toilet seat, the overflow pipe extends upwards to a certain height from the bottom of the drain valve, and the top of the overflow pipe is opened to prevent the toilet tank from continuously feeding water and overflowing the toilet tank due to the failure of the water inlet valve. The existing water inlet valve generally comprises a water inlet valve height adjusting device arranged on the bottom surface of the toilet water tank, and the water inlet valve height adjusting device extends upwards for a certain height to adjust the height of the water inlet valve.

However, the height adjusting device of the water inlet valve needs to be arranged independently and connected with the bottom surface of the water tank of the closestool, so that the problem of large occupied installation space exists.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a set up water intaking valve height adjusting device on the drain valve, overcome above-mentioned defect, set up water intaking valve height adjusting device on the overflow pipe.

To achieve the above object, the solution of the present invention is: the utility model provides a set up water intaking valve height adjusting device on drain valve, includes the valve body of water intaking valve, sets up the overflow pipe on the drain valve base, the overflow pipe includes fixed pipe, activity sleeve pipe, fixed pipe intercommunication toilet seat, the activity sleeve pipe cup joints fixed pipe is last, the valve body is connected on the activity sleeve pipe, the activity sleeve pipe reciprocates in order to adjust the height of valve body in toilet tank for fixed pipe.

Furthermore, the outer wall of the fixed pipe is provided with at least one row of positioning teeth in an array mode along the vertical direction, the inner wall of the movable sleeve is provided with clamping teeth clamped with the positioning teeth, the movable sleeve is rotated, the clamping teeth are screwed in or out of the positioning teeth with different heights, and the height of the water inlet valve main body in the toilet water tank is adjusted.

Furthermore, a bump used for limiting is arranged between every two adjacent positioning teeth, a clamping groove clamped with the bump is formed in the clamping teeth, and when the positioning teeth are screwed into the clamping teeth, the bump is clamped with the clamping groove.

After the technical scheme is adopted, the beneficial effects of the utility model reside in that: the overflow pipe comprises a fixed pipe and a movable sleeve, the fixed pipe is communicated with the toilet seat, the movable sleeve is sleeved on the fixed pipe, the valve body is connected onto the movable sleeve, the movable sleeve moves up and down relative to the fixed pipe to adjust the height of the valve body in the toilet water tank, and the overflow pipe is provided with a water inlet valve height adjusting device to adjust the height of the water inlet valve, so that the structure of the water inlet valve height adjusting device is simpler, the mold opening cost is saved, and the material is saved.

Drawings

Fig. 1 is a schematic structural diagram of an 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 float 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 pipe according to embodiment 1 of the present invention;

FIG. 7(a) is a schematic view of the structure of the water tank and the float of the present invention;

fig. 7(b) is a schematic structural view of the limiting portion of the present invention;

fig. 8(a) is a schematic view illustrating the installation of the water replenishing knob according to the present invention;

fig. 8(b) is a sectional view of the water replenishing knob according to the present invention;

fig. 9(a) is a sectional view of the water replenishing knob according to another direction;

fig. 9(b) is a schematic view of the installation position of the sealing ring of the present invention;

fig. 10 is a schematic view of the internal water path 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 present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1, the utility model provides a set up water intaking valve height adjusting device on drain valve, including valve body 5, buoyancy valve control mechanism 2, be equipped with intake antrum 53, drainage chamber 54 in the valve body 5 intake antrum 53 be equipped with water inlet 51, drainage chamber 54 be equipped with delivery port 52, buoyancy valve control mechanism 2 control intake antrum 53, the water route break-make between drainage chamber 54, valve body 5 is installed on overflow pipe 4 of closestool water tank drain valve to adopt overflow pipe 4 to support valve body 5 fixedly, water inlet 51 through the inlet tube 8 and the domestic water pipe network switch-on that play the connection effect, delivery port 52 be located overflow pipe 4 and access to the closestool water tank outward.

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 on the outer side of 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 one of the existing hose joints, 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 set to be communicated with the corresponding position of the side wall of the toilet water tank, when the toilet water tank is bottom water inlet, the water inlet pipe 8 is set 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 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 water discharge 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 back pressure valve 6, a small amount of back pressure water flows out along the back pressure hole 68 through the back pressure hole 68 when the back pressure hole 68 of the back pressure valve 6 is opened, the water receiving tank 56 receives the back pressure water flowing out from the back pressure hole 68, the opening at the bottom of the water receiving tank 56 conducts the back pressure water to the overflow port 1 and then is discharged out of the toilet water tank along with the water discharge valve 3 so as to prevent the water flowing out of the back pressure hole 68 from dropping into the water tank of the toilet water inlet valve, affecting the normal control of the back pressure valve by the buoyancy control mechanism 2.

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 two rows of positioning teeth 411 along the fixed pipe, the number of rows of the positioning ruler can be set according to actual needs, 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 a clamping tooth 421 clamped with the positioning teeth 411, the clamping tooth 421 is provided with a clamping groove 422 clamped with the bump 412, the movable sleeve 42 is rotatably sleeved on the fixed pipe 41, the movable sleeve 42 rotates to enable the clamping tooth 421 to be screwed into the positioning teeth 411, after the clamping tooth 421 is screwed into the positioning teeth 411, the bump 412 is clamped with the clamping groove 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 421, at the moment, the movable sleeve 42 can move up and down along the fixed pipe 41 and move to a height to be adjusted, then the snap tooth 421 is screwed into the positioning tooth 411 at the height, the snap tooth 421 is snapped with the positioning tooth 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 tank 56 of the valve body, and moves up and down along the fixed pipe 41 together with the movable sleeve 42, and then the height of the valve body 5 in the toilet water tank is adjusted through the snapping of the positioning tooth 411 and the snap tooth 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 with the water replenishing channel 58, a water replenishing knob 581 is rotatably mounted in the water replenishing knob mounting hole 584 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 a sealing ring 590 at two sides of the water replenishing channel 58, the sealing ring 590 encircles the lateral wall of the water replenishing knob 581 so as 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 the embodiment, the handle 582 extends to the outer surface of the water receiving tank 56 of the valve body 5, a shift lever 585 extends out of the outer surface of the water receiving tank 56, the outer surface of the water receiving tank 56 is provided with a maximum water level limiting block 586 and a minimum water level limiting block 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 water replenishing channel 58 are located on the same plane, the shift lever 585 is abutted against the maximum limiting block 586 when the adjusting hole 583 and the water replenishing channel 58 are located on the same axis, the water replenishing proportion is the maximum water level at the moment, when the adjusting hole 583 is perpendicular to the water replenishing channel 58, the proportion of the replenished water is the minimum, the shift lever 585 abuts against the minimum water level limiting block 587, the handle 582 is provided with a scale 588 at the outer surface of the water receiving tank 56, the outer surface of the water receiving tank 56 is provided with a pointer 589 pointing to the scale 588, when the amount of the replenished water is adjusted, the water replenishing knob 581 is shifted, the position of the scale 588 pointed by the pointer 589 is observed, the proportion of the opened water replenishing channel 58 can be known, the water replenishing knob 581 is provided with an elastic clamping tooth 580 clamped with the water replenishing knob mounting hole 584 at one end departing from the handle 582, the water replenishing knob 581 is inserted into the water replenishing knob mounting hole 584 from the outer surface of the water receiving tank 56, when the handle 582 abuts against the surface of the water receiving tank 56, the elastic clamping tooth 580 is clamped with the other end of the water replenishing knob mounting hole 584, the water replenishing knob 581 can be axially fixed, and the water replenishing knob 581 in the present case is not limited to the specific structure, other knob shapes for ease of operation are equally possible.

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 application, and all equivalent changes made according to the design key of the present application fall within the protection scope of the present application.

Claims (3)

1. The utility model provides a set up water intaking valve height adjusting 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) are including fixed pipe (41), activity sleeve pipe (42), fixed pipe (41) intercommunication closestool seat, activity sleeve pipe (42) cup joint on fixed pipe (41), valve body (5) are connected on activity sleeve pipe (42), activity sleeve pipe (42) reciprocate with the height of adjustment valve body (5) in the closestool water tank for fixed pipe (41).

2. The height adjusting device of an inlet valve provided on a drain valve according to claim 1, wherein: the fixed pipe (41) outer wall has at least one row of location tooth (411) along vertical direction array, movable sleeve (42) inner wall is equipped with block tooth (421) with location tooth (411) block, rotates movable sleeve (42), block tooth (421) screw in or screw out not co-altitude location tooth (411), adjustment valve body (5) height in the closestool water tank.

3. The height adjusting device of an inlet valve provided on a drain valve according to claim 2, wherein: be equipped with one between per two adjacent location teeth (411) and be used for spacing lug (412), be equipped with on block tooth (421) with draw-in groove (422) of lug (412) joint, when location tooth (411) screw in block tooth (421), lug (412) and draw-in groove (422) joint.

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