CN215802046U - Water inlet valve of toilet - Google Patents

Abstract

The water inlet valve of the toilet comprises a valve, a valve outlet is communicated with a water inlet, the valve comprises a valve cover, a valve core, a three-way valve body and a valve core driving part, a through opening can be connected with a water inlet pipeline, a three-way opening is communicated with the water inlet, a valve body concave part is arranged on the valve body, the valve cover is covered on the opening of the valve body concave part, a two-way opening of the valve body is positioned in a valve core control cavity, the valve core is covered on the two-way opening, a valve core through hole is arranged on the valve core, a first through hole and a second through hole are arranged on the valve cover, the second through hole is communicated with the three-way opening, the first through hole is communicated with the valve core control cavity, and the valve core driving part is connected on the valve cover and can cover and open the first through hole and is connected with the valve core. The utility model has the advantages that: the valve can realize quick water inlet after being opened and timely closing after flushing, and has good water-saving effect.

Description

Water inlet valve of toilet

Technical Field

The utility model relates to the technical field of manufacturing of bathroom equipment, in particular to a water inlet valve of a toilet.

Background

The original Chinese patent application with the application number of CN200910098488.5 named as water-saving squatting pan of the applicant discloses a water-saving squatting pan, which comprises a pan body of the squatting pan, a flushing water tank and a linkage opening and closing device, wherein a linkage control switch is arranged on the linkage opening and closing device, and the control switch can open a water inlet valve of a water inlet pipe in the flushing water tank through a transmission mechanism and is linked with an opening and closing of a pollution discharge controller. And a return mechanism which can return the water inlet valve to a closed state is arranged at the position of the flushing water tank. The drain outlet is designed into a back row, the pot body of the drain outlet extends backwards to be protruded, the protruded part is connected with the drain controller, the drain controller is fixed on the protruded part of the pot body through the hooping bracket so as to redirect the drain channel, the capacity of accumulated water needed for deodorization is shortened, namely, the drain valve in the drain controller is directly arranged at the protruded drain outlet of the pot body, the peculiar smell of the drain straight-falling pipe can be isolated by only a small amount of water, the deodorization function is achieved, and the purpose of saving water is achieved. However, the water inlet valve of the squatting pan has high cost and is inconvenient to install and use, so the structure of the squatting pan needs to be further improved.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a water inlet valve of a toilet stool, which can realize quick water inlet after the valve is opened and timely closing after flushing and has good water-saving effect.

The technical scheme adopted by the utility model for solving the technical problems is as follows: this inlet valve of stool pot, including the valve, the valve delivery port is linked together its characterized in that with the water inlet of the wash pipe of stool pot: the valve comprises a valve cover, a valve core, a three-way valve body and a valve core driving part, wherein a through opening of the valve body can be connected with a water inlet pipeline, a three-way opening of the valve body is communicated with a water inlet, a valve body concave part is arranged on the valve body, the valve cover is covered on the opening of the valve body concave part, the two-way opening of the valve body is positioned in a valve core control cavity formed by the valve cover and the valve body concave part, the valve core is covered on the two-way opening, a valve core through hole for communicating the valve core control cavity with the through opening is arranged on the valve core, a first through hole and a second through hole are arranged on the valve cover, the second through hole is communicated with the three-way opening, the first through hole is communicated with the valve core control cavity, the valve core driving part is connected on the valve cover and can cover and open the first through hole, the valve core driving part is connected with the valve core, when the first through hole is opened by the valve core driving part, the first through hole is communicated with the second through hole, the valve core can be jacked open by the inlet water in the inlet pipeline to enable the inlet water to enter the three-way opening, and when the valve core driving part covers the first through hole, the valve core covers the two-way opening to enable the valve to be closed.

As an improvement, a water through cavity communicating the second through hole with the first through hole is arranged on the valve core driving part, a cover body capable of sealing and covering the first through hole is arranged in the water through cavity, the cover body is connected with a pulling mechanism capable of pulling the cover body to open the first through hole and a reset mechanism capable of resetting the cover body to cover the first through hole when no external force is applied to the pulling mechanism, when the pulling mechanism pulls the cover body to open the first through hole, the first through hole is communicated with the second through hole, when no external force is applied to the pulling mechanism, the valve cover seals and covers the first through hole, and the valve core covers the two-way opening.

The valve core is an elastic cover, the outer edge of the elastic cover is clamped by the valve cover and the bottom surface of the concave part of the valve body, the middle part of the elastic cover covers the two-way opening, the valve core driving part comprises a first return spring, the first return spring is arranged in the valve core control cavity, one end of the first return spring is connected with the elastic cover, and the other end of the first return spring is connected with the valve cover.

The valve core is further improved, the elastic cover is sleeved on the shaping cover, one end of the first reset spring is in abutting contact with the shaping cover, the other end of the first reset spring is in abutting contact with the valve cover, and the valve core through hole penetrates through the elastic cover and the shaping cover.

As an improvement, the valve core driving part comprises a soft sleeve, an opening of the soft sleeve covers the top surface of the valve cover to enable an inner cavity of the soft sleeve to form a water through cavity, the soft sleeve is connected with the cover body, the bottom of the cover body is positioned in the inner cavity of the soft sleeve, and the top of the cover body extends out of the inner cavity of the soft sleeve to be connected with the pulling mechanism and the reset mechanism.

The valve core driving part comprises a positioning ring, and the positioning ring and the top surface of the valve cover clamp the outer edge of the soft sleeve.

The further improvement, the pulling mechanism comprises a sliding rod, a sliding block, a pulling rod and a rotating plate, one end of the rotating plate is rotatably connected with the positioning ring, one side of the middle part of the rotating plate is connected with the top of the cover body, the other side of the middle part of the rotating plate is connected with the reset mechanism, the sliding rod is arranged on the top surface of the valve cover corresponding to the other end of the rotating plate, the sliding block can be connected on the sliding rod in a sliding mode along the sliding rod, the pulling rod is linked with the sliding block, a second reset spring is sleeved on the sliding rod, one end of the second reset spring is in abutting contact with the valve cover, the other end of the second reset spring is in abutting contact with the sliding block, when the pulling rod pulls the sliding block to move downwards relative to the sliding rod, the sliding block jacks up the rotating plate, the rotating plate pulls the cover body to be separated from the first through hole, and when no external force is arranged at the pulling rod, the sliding block is reset through the second reset spring, the rotating plate is reset through the reset mechanism, and the cover body covers the first through hole.

The valve core driving part is positioned in an outer cavity formed by the outer cover body and the top surface of the valve cover, a positioning column is arranged on the positioning ring, a plate body through hole capable of penetrating through the positioning column is formed in the middle of the rotating plate, the resetting mechanism is a third resetting spring, the third resetting spring is sleeved on the positioning column, one end of the third resetting spring is in abutting contact with the inner wall of the outer cover body, and the other end of the third resetting spring is in abutting contact with the rotating plate.

In a further improvement, the sliding block is a sphere.

The further improvement is that the bottom surface of the rotating plate close to the slide block is provided with an inclined surface which can slide relative to the slide block and avoid being clamped with the slide block.

Compared with the prior art, the utility model has the advantages that: through the structural design of the valve cover and the valve core driving part, the valve core opens the two-way opening when flushing water and automatically closes the two-way opening after the flushing water is finished, the flushing water opening speed is high, and the valve core is closed in time after the flushing water is finished, so that the waste of water resources is effectively reduced; the water pressure condition at the valve core is changed by opening and closing the cover body, the valve core is not directly contacted with a mechanical structure for driving the valve core to open, but the two-way opening is opened through the change of the water pressure, the rust resistance of a pulling mechanism in the valve core driving part is not required to be considered, the service life of the valve core is prolonged, the structural sealing property is better, and the condition of water leakage of the valve is avoided; the bottom surface of the rotating plate in the pulling mechanism is provided with an inclined plane which can slide relative to the sliding block to avoid being clamped with the sliding block, so that the normal work of the valve is ensured.

Drawings

FIG. 1 is a diagram illustrating the effect of the present invention;

FIG. 2 is an exploded view of the structure of FIG. 1;

FIG. 3 is a perspective view of the toilet of FIG. 2 with the toilet removed;

FIG. 4 is a top view of FIG. 3;

FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;

FIG. 6 is a top view of an embodiment of the present invention;

FIG. 7 is a cross-sectional view taken along line B-B of FIG. 6;

FIG. 8 is an exploded view of the structure of FIG. 6;

FIG. 9 is a top view of FIG. 8 with the outer housing removed;

FIG. 10 is a cross-sectional view taken along line C-C of FIG. 9;

FIG. 11 is a perspective view of FIG. 8 with the outer housing removed and the pulling rod pulled;

FIG. 12 is a top view of FIG. 11;

FIG. 13 is a cross-sectional view taken along line D-D of FIG. 12;

FIG. 14 is an exploded view of the structure of FIG. 6;

FIG. 15 is a further exploded view of FIG. 14;

fig. 16 is an exploded view of fig. 15 at another angle.

Detailed Description

The utility model is described in further detail below with reference to the accompanying examples.

As shown in fig. 1 to 16, the water inlet valve of the toilet of the present embodiment includes a valve, a valve outlet is communicated with a water inlet 41 of a flushing pipe of the toilet (so-called toilet refers to a squatting pan 4 or a toilet bowl, the above and the below are the same), the valve includes a valve cover 3, a valve core, a three-way valve body 1 and a valve core driving part, a one-way opening 11 of the valve body 1 can be connected with a water inlet pipe 6, a three-way opening 13 is communicated with the water inlet 41, a valve body concave part is arranged on the valve body 1, the valve cover 3 is covered on the opening of the valve body concave part, a two-way opening 12 is arranged in a valve core control cavity 14 formed by the valve cover 3 and the valve body concave part, the valve core is covered on the two-way opening 12, a valve core through hole 21 for communicating the valve core control cavity 14 with the one-way opening 11 is arranged on the valve core, a first through hole 31 and a second through hole 32 are arranged on the valve cover 3, the second through hole 32 is communicated with the three-way opening 13, the first through hole 31 is communicated with the valve core control cavity 14, the valve core driving part is connected to the valve cover 3 and can cover and open the first through hole 31, the valve core driving part is connected with the valve core, when the first through hole 31 is opened by the valve core driving part, the first through hole 31 is communicated with the second through hole 32, the valve core can be jacked open by water inlet in the water inlet pipeline 6 so that the water enters the three-way opening 13, and when the first through hole 31 is covered by the valve core driving part, the valve core covers the two-way opening 12 so that the valve is closed.

The valve core driving part is provided with a water passing cavity 33 which is communicated with the second through hole 32 and the first through hole 31, the water passing cavity 33 is provided with a cover body 5 which can seal and cover the first through hole 31, the cover body 5 is connected with a pulling mechanism which can pull the cover body 5 to open the first through hole 31 and a resetting mechanism which can reset the cover body 5 to cover the first through hole 31 when no external force is applied to the pulling mechanism, when the pulling mechanism pulls the cover body 5 to open the first through hole 31, the first through hole 31 is communicated with the second through hole 32, when no external force is applied to the pulling mechanism, the valve cover 3 seals and covers the first through hole 31, and the valve core covers the two-way opening 12. The valve core is an elastic cover 2, the outer edge of the elastic cover 2 is clamped by the valve cover 3 and the bottom surface of the concave part of the valve body, the middle part of the elastic cover 2 covers the two-way opening 12, the valve core driving part comprises a first return spring 22, the first return spring 22 is arranged in the valve core control cavity 14, one end of the first return spring 22 is connected with the elastic cover 2, and the other end of the first return spring 22 is connected with the valve cover 3. The elastic cover 2 is sleeved on the shaping cover 20, one end of the first return spring 22 is in contact with the shaping cover 20, the other end of the first return spring 22 is in contact with the valve cover 3, and the valve core through hole 21 penetrates through the elastic cover 2 and the shaping cover 20. The first return spring 22 is provided with a positioning rod 221, and the positioning rod 221 is inserted into the valve core through hole 21. The elastic cover 2 may be an elastic structure made of a corrosion-resistant material such as rubber.

The valve core driving part comprises a soft sleeve 51, an opening of the soft sleeve 51 covers the top surface of the valve cover 3 to enable an inner cavity of the soft sleeve 51 to form a water through cavity 33, the soft sleeve 51 is connected with the cover body 5, the bottom of the cover body 5 is positioned in the inner cavity of the soft sleeve 51, and the top of the cover body 5 extends out of the inner cavity of the soft sleeve 51 to be connected with the pulling mechanism and the resetting mechanism. The valve core driving part comprises a positioning ring 52, and the positioning ring 52 clamps the outer edge of the soft sleeve 51 with the top surface of the valve cover 3.

The pulling mechanism comprises a sliding rod 53, a sliding block 54, a pulling rod 55 and a rotating plate 56, one end of the rotating plate 56 is rotatably connected with the positioning ring 52, one surface of the middle part of the rotating plate 56 is connected with the top of the cover body 5, the other surface of the middle part of the rotating plate 56 is connected with the reset mechanism, the sliding rod 54 is arranged on the top surface of the valve cover 3 corresponding to the other end of the rotating plate 56, the sliding block 54 can be connected on the sliding rod 53 in a sliding way, the pulling rod 55 is linked with the sliding block 54, a second reset spring 57 is sleeved on the sliding rod 53, one end of the second reset spring 57 is in contact with the valve cover 3, the other end of the second reset spring 57 is in contact with the sliding block 54, when the pulling rod 55 pulls the sliding block 54 to move downwards relative to the sliding rod 53, the sliding block 54 jacks up the rotating plate 56, the rotating plate 56 pulls the cover body 5 to be separated from the first through hole 31, when no external force is arranged at the position of the pulling rod 55, the sliding block 54 is reset by the second reset spring 57, the rotating plate 56 is reset by the reset mechanism, and the cover 5 covers the first through hole 31. Two limit bulges are arranged at the top of the valve cover 3, two ends of the sliding rod 53 are respectively clamped on the corresponding limit bulges, one end of the second reset spring 57 is pressed against one limit bulge, and the other end of the second reset spring is pressed against the sliding block 54.

An outer cover body 30 is covered on the top of the valve cover 3, a valve core driving part is positioned in an outer cavity 34 formed by the outer cover body 30 and the top surface of the valve cover 3, a positioning column 59 is arranged on the positioning ring 52, a plate body through hole 561 capable of penetrating through the positioning column 59 is arranged in the middle of the rotating plate 56, the resetting mechanism is a third resetting spring 58, the third resetting spring 58 is sleeved on the positioning column 59, one end of the third resetting spring 58 is in abutting contact with the inner wall of the outer cover body 30, and the other end of the third resetting spring 58 is in abutting contact with the rotating plate 56. The slider 54 is a sphere. The bottom surface of the rotating plate 56 adjacent to the slider 54 is provided with a slope 562 which can slide relative to the slider 54 to prevent the slider 54 from being caught. One end of the sphere is provided with a sphere concave part which can be sleeved into one end of the second return spring 57.

The pulling force of the pulling rod 55 is provided by the second pulling rope 72, the drain valve 7 is arranged on the discharge port of the toilet, the specific structure of the drain valve 7 can refer to the technical scheme in the background technology, and the specific structure of the drain valve 7 belongs to the prior art and is not described in detail. The drain valve 7 is normally closed, and when the first pull rope 71 pulls the valve rod 73 of the drain valve 7 to rotate, the second pull rope 72 connected to the valve rod 73 pulls the pull rod 55, so that the water inlet valve is opened. When there is no pulling force on the first pulling rope 71, the second pulling rope 72 receives the restoring pulling force of the pulling rod 55, and pulls the valve rod 73 to be restored, so that the water inlet 41 is closed, and the drain is also closed.

The working principle is as follows: the sliding block moves to jack the rotating plate after the pulling rod is pulled, the rotating plate pulls the cover body to be separated from the first through hole, water in the valve core control cavity in the original position flows into the water through cavity and then enters the flushing pipe from the second through hole, the water pressure in the valve core control cavity is reduced, the water inlet in the water inlet pipeline jacks the valve core to separate the valve core from the two-way opening, and the inlet water flows into the flushing pipe from the two-way opening to flush water.

The pulling force cancellation on the pulling rod after the bath, second reset spring promote the slider to reset, and the rotor plate is promoted by third reset spring and resets and make the lid cover first through-hole, and case control chamber is because keeping the connected state through case through-hole and inlet channel, and case control chamber and inlet tube water pressure restore to balance, therefore first reset spring promotes the valve core and resets and cover two openings, no longer intakes in the wash pipe, and the operation of bath is ended.

Claims (10)

1. The water inlet valve of the toilet comprises a valve, wherein the water outlet of the valve is communicated with a water inlet (41) of a flushing pipe of the toilet, and the water inlet valve is characterized in that: the valve comprises a valve cover (3), a valve core, a three-way valve body (1) and a valve core driving part, wherein a through opening (11) of the valve body (1) can be connected with a water inlet pipeline (6), a three-way opening (13) of the valve body (1) is communicated with a water inlet (41), a valve body concave part is arranged on the valve body (1), the valve cover (3) is covered on the opening of the valve body concave part, a two-way opening (12) of the valve body (1) is positioned in a valve core control cavity (14) formed by the valve cover (3) and the valve body concave part, the valve core is covered on the two-way opening (12), a valve core through hole (21) for communicating the valve core control cavity (14) with the through opening (11) is arranged on the valve core, a first through hole (31) and a second through hole (32) are arranged on the valve cover (3), the second through hole (32) is communicated with the three-way opening (13), and the first through hole (31) is communicated with the valve core control cavity (14), the valve core driving part is connected to the valve cover (3) and can cover and open the first through hole (31), the valve core driving part is connected with the valve core, when the valve core driving part opens the first through hole (31), the first through hole (31) is communicated with the second through hole (32), the valve core can be jacked open by water inflow in the water inlet pipeline (6) to enable the water inflow to enter the three-way opening (13), and when the valve core driving part covers the first through hole (31), the valve core covers the two-way opening (12) to enable the valve to be closed.

2. The water inlet valve of claim 1, wherein: the valve core driving part is provided with a water through cavity (33) communicated with the second through hole (32) and the first through hole (31), the water through cavity (33) is internally provided with a cover body (5) capable of sealing and covering the first through hole (31), the cover body (5) is connected with a pulling mechanism capable of pulling the cover body (5) to open the first through hole (31) and a reset mechanism capable of resetting the cover body (5) to cover the first through hole (31) when no external force is applied to the pulling mechanism, when the pulling mechanism pulls the cover body (5) to open the first through hole (31), the first through hole (31) is communicated with the second through hole (32), and when no external force is applied to the pulling mechanism, the valve cover (3) seals and covers the first through hole (31), and the valve core covers the two-way opening (12).

3. The water inlet valve of claim 2, wherein: the valve core is an elastic cover (2), the outer edge of the elastic cover (2) is clamped by the valve cover (3) and the bottom surface of the valve body concave part, the middle part of the elastic cover (2) covers the two-way opening (12), the valve core driving part comprises a first return spring (22), the first return spring (22) is arranged in the valve core control cavity (14), one end of the first return spring (22) is connected with the elastic cover (2), and the other end of the first return spring (22) is connected with the valve cover (3).

4. The water inlet valve of claim 3, wherein: the elastic cover (2) is sleeved on the shaping cover (20), one end of the first reset spring (22) is in top contact with the shaping cover (20), the other end of the first reset spring (22) is in top contact with the valve cover (3), and the valve core through hole (21) penetrates through the elastic cover (2) and the shaping cover (20).

5. The water inlet valve according to any one of claims 2 to 4, wherein: the valve core driving part comprises a soft sleeve (51), an opening of the soft sleeve (51) covers the top surface of the valve cover (3) to enable an inner cavity of the soft sleeve (51) to form a water through cavity (33), the soft sleeve (51) is connected with the cover body (5), the bottom of the cover body (5) is located in the inner cavity of the soft sleeve (51), and the top of the cover body (5) extends out of the inner cavity of the soft sleeve (51) to be connected with the pulling mechanism and the resetting mechanism.

6. The water inlet valve of claim 5, wherein: the valve core driving part comprises a positioning ring (52), and the positioning ring (52) and the top surface of the valve cover (3) clamp the outer edge of the soft sleeve (51).

7. The water inlet valve of claim 6, wherein: the pulling mechanism comprises a sliding rod (53), a sliding block (54), a pulling rod (55) and a rotating plate (56), one end of the rotating plate (56) is rotatably connected with the positioning ring (52), one surface of the middle part of the rotating plate (56) is connected with the top of the cover body (5), the other surface of the middle part of the rotating plate (56) is connected with the resetting mechanism, the sliding rod (53) is arranged on the top surface of the valve cover (3) corresponding to the other end of the rotating plate (56), the sliding block (54) can be connected on the sliding rod (53) in a sliding manner along the sliding rod (53), the pulling rod (55) is linked with the sliding block (54), a second resetting spring (57) is sleeved on the sliding rod (53), one end of the second resetting spring (57) is in abutting contact with the valve cover (3), and the other end of the second resetting spring (57) is in abutting contact with the sliding block (54), when pulling pole (55) pulling slider (54) when sliding rod (53) lapse relatively, slider (54) jack-up rotor plate (56), rotor plate (56) pulling lid (5) and first through-hole (31) phase separation, when no external force of pulling pole (55) department, slider (54) reset through second reset spring (57), rotor plate (56) reset through canceling release mechanical system, lid (5) cover first through-hole (31).

8. The water inlet valve of claim 7, wherein: an outer cover body (30) is covered on the top of the valve cover (3), the valve core driving part is positioned in an outer cavity (34) formed by the outer cover body (30) and the top surface of the valve cover (3), a positioning column (59) is arranged on the positioning ring (52), a plate body through hole (561) capable of penetrating through the positioning column (59) is arranged in the middle of the rotating plate (56), the resetting mechanism is a third resetting spring (58), the third resetting spring (58) is sleeved on the positioning column (59), one end of the third resetting spring (58) is in abutting contact with the inner wall of the outer cover body (30), and the other end of the third resetting spring (58) is in abutting contact with the rotating plate (56).

9. The water inlet valve of claim 7, wherein: the sliding block (54) is a sphere.

10. The water inlet valve of claim 7, wherein: the bottom surface of the rotating plate (56) close to the sliding block (54) is provided with a slope (562) which can slide relative to the sliding block (54) and can avoid being clamped with the sliding block (54).

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