CN212868474U

CN212868474U - Water discharge valve for cistern

Info

Publication number: CN212868474U
Application number: CN202021909569.7U
Authority: CN
Inventors: 刘星楠
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-04
Filing date: 2020-09-04
Publication date: 2021-04-02
Anticipated expiration: 2030-09-04

Abstract

The utility model relates to a water tank drain valve, which comprises a water tank and a drain valve, wherein the drain valve comprises a water outlet pipe, a guide cylinder and a sliding part, a through hole is arranged at the bottom of the water tank, the water outlet pipe penetrates through the through hole and is hermetically connected with the through hole, the upper end of the water outlet pipe is movably connected with the guide cylinder, the sliding part is slidably connected in the guide cylinder, the upper end of the sliding part is connected with a pull rod, the lower end of the sliding part is provided with a water stop plug, and the inner side of the; the lower end of the water stop plug is fixedly connected with a magnet, and an attraction part attracted with the magnet is arranged in the outlet pipe. The utility model discloses a steerable displacement according to actual conditions still can avoid the emergence of outlet pipe phenomenon of leaking, has rational in infrastructure, long service life, easy maintenance's characteristics.

Description

Water discharge valve for cistern

Technical Field

The utility model relates to a bathroom technical field especially relates to a water tank drain valve.

Background

When the existing water tank drains water, people cannot control the drainage quantity, the problem of untight sealing easily occurs after the water stop plug in the water tank is used for a long time, water in the water tank leaks, the normal use of the water tank is affected, and the water tank leakage can cause waste of water resources and increase the water consumption cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a water tank drain valve, this drain valve can be according to actual conditions control displacement to the stagnant water stopper is sealed tight with the seal groove, can avoid out the emergence of drain valve phenomenon of leaking, has rational in infrastructure, long service life, easy maintenance's characteristics.

The purpose of the utility model is realized through the following technical scheme:

a water tank drain valve comprises a water tank and a drain valve, wherein the drain valve comprises a water outlet pipe, a guide cylinder and a sliding part, a through hole is formed in the bottom of the water tank, the water outlet pipe penetrates through the through hole and is in sealed connection with the through hole, the upper end of the water outlet pipe is movably connected with the guide cylinder, the sliding part is connected in the guide cylinder in a sliding mode, the upper end of the sliding part is connected with a pull rod, a water stop plug is arranged at the lower end of the sliding part, and a sealing groove matched with the water stop plug is formed in; the lower end of the water stop plug is fixedly connected with a magnet, and an attraction part attracted with the magnet is arranged in the water outlet pipe.

The water tank drain valve comprises a plug body which is integrally in a frustum shape with a small lower part and a large upper part, and an annular elastic sealing sheet is arranged on the outer edge of the upper part of the plug body along the circumferential direction.

In the above water tank drain valve, the sealing groove includes a frustum ring with a large upper part and a small lower part inside the upper end of the water outlet pipe, and the frustum ring is adapted to the plug body; an arc-shaped sealing ring is formed between the upper end of the frustum ring and the outer wall of the water outlet pipe, the sealing ring is matched with the sealing piece, and a horizontal ring is formed between the lower end of the frustum ring and the inner wall of the water outlet pipe.

The water tank drain valve comprises a sleeve embedded on the inner side of the upper end of the water outlet pipe, the two ends of the sleeve are open, a horizontal cross rod is fixedly connected to the lower end of the sleeve, a pair of lugs extending outwards is arranged on the outer edge of the upper end of the sleeve, a clamping groove clamped with the lugs is formed in the horizontal ring along the circumferential direction, and an iron magnetic suction block is arranged above the cross rod.

In the above water tank drain valve, the opening of the clamping groove is upward and L-shaped.

In the above water tank drain valve, the cross rod is arranged along the diameter direction of the sleeve, the center of the cross rod is provided with the inner threaded hole, the inner threaded hole is in threaded connection with the adjusting bolt, the head of the adjusting bolt faces upwards and is fixedly connected with the magnetic suction block, and the adjusting bolt at the lower end of the cross rod is further in threaded connection with the positioning nut.

The water tank drain valve is characterized in that the sliding part is hollow and cylindrical, the outer wall of the sliding part is provided with a convex block, the inner wall of the guide cylinder is provided with a vertical sliding groove matched with the convex block, the sliding part can move up and down along the sliding groove, the side wall of the lower end of the guide cylinder is further provided with a plurality of water inlet grooves, and the low points of the water inlet grooves are lower than the upper end of the water outlet pipe.

The above water tank drain valve, wherein, the outlet pipe outside is equipped with the external screw thread, guide cylinder and outlet pipe threaded connection, guide cylinder lower extreme and water tank inboard bottom are equipped with the sealing washer, water tank outside bottom be equipped with outlet pipe threaded connection lock nut.

In the water tank drain valve, the outer surfaces of the magnet and the magnetic suction block are coated with waterproof glue.

In the above water tank drain valve, the water stop plug is made of rubber.

To sum up, the utility model discloses a beneficial technological effect does:

the utility model has the advantages that the magnet is arranged on the water stop plug, the attraction part is arranged in the water outlet pipe, and the water stop plug is tightly sealed with the sealing groove under the action of the self gravity and the magnetic attraction force between the magnet and the attraction part under the natural state, so that the leakage problem of the drain valve is avoided; when the pull rod is pulled upwards, the water stop plug is separated from the sealing groove, the drain valve is opened, and water in the water tank can flow out of the water outlet pipe; when the pull rod is not pulled upwards by external force, the water stop plug is tightly sealed with the sealing groove under the action of self gravity and magnetic attraction between the magnet and the attraction part, the drain valve is stopped, and the water outlet amount of the water tank can be manually controlled by controlling the pull rod, so that the purpose of saving water is achieved.

Through set up cyclic annular gasket and set up the sealing ring on the seal groove on stopper body upper portion, the gasket closely supports with the sealing ring and leans on, can avoid between impurity embedding gasket and the sealing ring in the water tank, has further improved the sealing performance of drain valve.

Drawings

Fig. 1 is a schematic structural view of the sealing plug and the sealing groove of the present invention when they are closed;

fig. 2 is a schematic structural view when the water stop plug is separated from the sealing groove;

FIG. 3 is an enlarged view of portion A of FIG. 1;

fig. 4 is an enlarged view of a portion B of fig. 2.

Figure, 1, water tank; 11. a through hole; 2. a drain valve; 3. a water outlet pipe; 31. a sealing groove; 311. a frustum ring; 312. A seal ring; 313. a horizontal ring; 32. a seal ring; 33. locking the nut; 4. a guide cylinder; 41. a chute; 42. a water inlet groove; 5. a sliding part; 51. a bump; 52. a water discharge opening; 6. a pull rod; 7. a water stop plug; 71. a plug body; 72. sealing the sheet; 8. a magnet; 9. a suction part; 91. a sleeve; 911. a cross bar; 9111. adjusting the bolt; 9112. positioning a nut; 912. a lug; 92. and (6) magnetically attracting the block.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 and 3, a water tank drain valve, includes water tank 1 and drain valve 2, drain valve 2 includes outlet pipe 3, guide cylinder 4 and sliding part 5, 1 bottom of water tank is equipped with through-hole 11, outlet pipe 3 wear to establish through-hole 11 and with through-hole 11 sealing connection, outlet pipe 3 upper end swing joint guide cylinder 4, guide cylinder 4 and the coincidence of the axis of outlet pipe 3, the 3 outsides of outlet pipe are equipped with the external screw thread,

guide cylinder

4 and 3 threaded connection of outlet pipe, the lower extreme of guide cylinder 4 and 1 inboard bottom of water tank are equipped with sealing washer 32, 1 outside bottom of water tank is equipped with the lock nut 33 with 3 threaded connection of outlet pipe, and this has guaranteed the sealing performance between outlet pipe 3 and the water tank 1.

The guide cylinder 4 is internally and slidably connected with a sliding part 5, the sliding part 5 is hollow and cylindrical, the outer wall of the sliding part 5 is provided with a convex block 51, the inner wall of the guide cylinder 4 is provided with a vertical sliding groove 41 matched with the convex block 51, and the sliding part 5 can move up and down along the sliding groove 41; the upper end of the sliding part 5 is connected with a pull rod 6, the lower end of the sliding part 5 is provided with a water stop plug 7, the inner side of the upper end of the water outlet pipe 3 is provided with a sealing groove 31 matched with the water stop plug 7, the lower end of the water stop plug 7 is fixedly connected with a magnet 8, and the water outlet pipe 3 is internally provided with an attraction part 9 attracted with the magnet 8.

Fig. 2 and 4 are schematic structural views when the water stop plug 7 is separated from the seal groove 31 when the pull rod 6 is pulled upwards. The side wall of the lower end of the guide cylinder 4 is also provided with a plurality of water inlet grooves 42, and the low points of the water inlet grooves 42 are lower than the upper end of the water outlet pipe 3, so that the water in the water tank 1 can be discharged from the water outlet pipe 3 when the drain valve 2 is opened; when the pull rod 6 is pulled upwards, the drain valve 2 is opened, namely the water stop plug 7 is separated from the sealing groove 31, and the water in the water tank 1 enters the water outlet pipe 3 from the water inlet groove 42 and flows out. Through control pull rod 6, can control the volume that water flows out in water tank 1, when not needing the drainage, get rid of the pulling force to pull rod 6, sliding part 5 and stagnant water stopper 7 move down under gravity and magnetic force, and drain valve 2 in water tank 1 closes, and stagnant water stopper 7 and seal groove 31 are sealed closed promptly.

A plurality of water drainage openings 52 can be formed in the middle and the upper end of the side wall of the sliding portion 5, the water drainage space of the sliding portion 5 is reduced by arranging the water drainage openings 52, the buoyancy generated by the sliding portion 5 is smaller, the magnet 8 and the magnetic suction block 92 can be attracted conveniently, and the sealing performance of the water drainage valve 2 is better.

The water stop plug 7 comprises a frustum-shaped plug body 71 which is small at the bottom and large at the top, an annular elastic sealing sheet 72 is arranged on the outer edge of the upper part of the plug body 71 along the circumferential direction, and the water stop plug 7 is made of rubber; the sealing groove 31 comprises a frustum ring 311 with a large upper part and a small lower part on the inner side of the upper end of the water outlet pipe 3, and the frustum ring 311 is matched with the plug body 71, so that water in the water tank 1 can be prevented from leaking from the frustum ring 311; an arc-shaped sealing ring 312 is formed between the upper end of the frustum ring 311 and the outer wall of the water outlet pipe 3, the sealing ring 312 is matched with the sealing sheet 72, when impurities appear in the water tank 1, impurity particles can be embedded between the frustum ring 311 and the plug body 71, so that the water in the water tank 1 leaks between the frustum ring 311 and the plug body 71; after having set up sealing ring 312, sealing ring 312 is the arc, and the foreign particles can't reside on sealing ring 312, so at the stopper 7 whereabouts in-process of sealing, have elastic gasket 72 and the extrusion of sealing ring 312 mutually, even the sand grain impurity in the water tank 1 inlays to establish and also can not appear the seepage phenomenon between frustum ring 311 and stopper body 71, has further strengthened drain valve 2's sealing performance.

This embodiment actuation portion 9 is including inlaying the sleeve 91 of establishing in 3 upper ends inboards of outlet pipe, sleeve 91 both ends opening, a sleeve 91 lower extreme fixed connection horizontal cross bar 911, sleeve 91 upper end outer fringe is equipped with a pair of lug 912 that outwards extends, form horizontal ring 313 between 3 inner walls of frustum ring 311 lower extremes and outlet pipe, be equipped with the draw-in groove with lug 912 joint along circumference on the horizontal ring 313, the draw-in groove opening makes progress and the draw-in groove is L shape, when actuation portion 9 is dismantled to needs, at first rotatory sleeve 91 makes lug 912 rotate the opening part of draw-in groove, then upwards draws and carries again, just can take out sleeve 91 from the draw-in groove on the horizontal ring 313, installation actuation portion 9 in with above-mentioned reverse operation can, horizontal pole 911 top is equipped with iron magnetism and inhales piece 92.

In order to adjust the magnetic force between magnet 8 and the magnetism piece 92 of sliding part 5 below, improve sealing performance between stagnant water stopper 7 and the seal groove 31, horizontal pole 911 sets up and central authorities are equipped with interior screw hole along sleeve 91 diameter direction, interior screw hole threaded connection adjusting bolt 9111, adjusting bolt 9111 head is upwards just fixed connection magnetism piece 92 of inhaling, go back threaded connection set nut 9112 on adjusting bolt 9111 of horizontal pole 911 lower extreme.

With set nut 9112 unscrewing, rotatory adjusting bolt 9111 makes magnetism inhale piece 92 upwards or move down, and magnetism inhale piece 92 and be close to or keep away from magnet 8, can adjust magnet 8 and inhale the magnetic force size between the piece 92, can fix a position magnetism inhale piece 92 through screwing set nut 9112, prevent to inhale the piece 92 removal of magnetism. After the drain valve 2 is used for a period of time, the sleeve 91 can be taken out, and the position of the magnetic suction block 92 is adjusted to increase the magnetic force between the magnet 8 and the magnetic suction block 92 and ensure the sealing performance between the water stop plug 7 and the sealing groove 31.

In order to prevent the adjusting bolt 9111 and the positioning nut 9112 from rusting, the adjusting bolt 9111 and the positioning nut 9112 are made of copper.

In order to prevent the magnet 8 and the iron magnetic block 92 from rusting, waterproof glue is coated on the outer surfaces of the magnet 8 and the magnetic block 92.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A water tank drain valve comprises a water tank and a drain valve, and is characterized in that the drain valve comprises a water outlet pipe, a guide cylinder and a sliding part, wherein a through hole is formed in the bottom of the water tank, the water outlet pipe penetrates through the through hole and is in sealed connection with the through hole, the upper end of the water outlet pipe is movably connected with the guide cylinder, the guide cylinder is in sliding connection with the sliding part, the upper end of the sliding part is connected with a pull rod, a water stop plug is arranged at the lower end of the sliding part, and a sealing groove matched with the water stop plug is formed in; the lower end of the water stop plug is fixedly connected with a magnet, and an attraction part attracted with the magnet is arranged in the water outlet pipe.

2. A cistern discharge valve as claimed in claim 1, wherein said water stop comprises a plug body which is generally frustoconical with a smaller lower portion and a larger upper portion, and an annular elastic sealing sheet is provided on the outer edge of the upper portion of said plug body along the circumferential direction.

3. A cistern drain valve as claimed in claim 2, wherein the sealing groove comprises a frustoconical ring having a large upper end and a small lower end inside the upper end of the outlet pipe, the frustoconical ring being adapted to the plug body; an arc-shaped sealing ring is formed between the upper end of the frustum ring and the outer wall of the water outlet pipe, the sealing ring is matched with the sealing piece, and a horizontal ring is formed between the lower end of the frustum ring and the inner wall of the water outlet pipe.

4. A water tank drain valve according to claim 3, wherein the suction part comprises a sleeve embedded inside the upper end of the water outlet pipe, the sleeve has openings at both ends, the lower end of the sleeve is fixedly connected with a horizontal cross bar, a pair of lugs extending outwards is arranged on the outer edge of the upper end of the sleeve, a clamping groove clamped with the lugs is arranged on the horizontal ring along the circumferential direction, and an iron magnetic suction block is arranged above the cross bar.

5. A cistern discharge valve as claimed in claim 4, in which the catch opens upwardly and is L-shaped.

6. A water tank drain valve as claimed in claim 4, wherein the cross bar is arranged along the diameter direction of the sleeve and provided with an internal screw hole in the center, the internal screw hole is in threaded connection with an adjusting bolt, the head of the adjusting bolt faces upwards and is fixedly connected with the magnetic suction block, and the adjusting bolt at the lower end of the cross bar is also in threaded connection with a positioning nut.

7. A water tank drain valve according to claim 1, wherein the sliding part is hollow cylindrical, the outer wall of the sliding part is provided with a projection, the inner wall of the guide cylinder is provided with a vertical chute matched with the projection, the sliding part can move up and down along the chute, the side wall of the lower end of the guide cylinder is also provided with a plurality of water inlet grooves, and the lower points of the water inlet grooves are lower than the upper end of the water outlet pipe.

8. A water tank drain valve according to claim 1, wherein the outer side of the water outlet pipe is provided with external threads, the guide cylinder is in threaded connection with the water outlet pipe, the lower end of the guide cylinder and the bottom of the inner side of the water tank are provided with sealing rings, and the bottom of the outer side of the water tank is provided with a locking nut in threaded connection with the water outlet pipe.

9. A cistern draining valve as claimed in claim 1, wherein the outer surfaces of said magnet and magnetic block are coated with a waterproof glue.

10. A cistern outlet valve as claimed in claim 1 or claim 2, wherein the plug is of rubber.