WATER DRAIN ACCELERATING DEVICE

Abstract

A water drain accelerating device has a base with a discharge port connected to a flush way assembled inside a water tank. An overflow hole is connected to the discharge port. An overflow pipe is plugged to the base. The bottom of the overflow pipe is connected to the overflow hole. A negative pressure pipe is connected to the overflow pipe. Negative pressure generates inside the overflow pipe when the base is draining. Water inside the water tank flows out of the discharge port when water drains. The water level inside the cavity of the negative pressure pipe falls down with the water level inside the water tank. Negative pressure generates inside the overflow pipe, so air inside the overflow pipe can't enter into the discharge port through the overflow hole. An air pipe extends from the overflow hole to the flush way.

Description

FIELD OF THE INVENTION

The present invention relates to auxiliary equipment for a water valve of toilet, especially to a water drain accelerating device.

BACKGROUND OF THE INVENTION

The discharge port of the base of the existing water valve is connected to the overflow hole, when normally used, as the overflow hole is plugged to the overflow pipe of the base to connect to the air of the water tank, water in the water tank flows out of the discharge port of the base and partial negative pressure generates in the overflow hole, the air of the water tank is sucked to the discharge port through the overflow hole by the overflow pipe, making part of water drain space of the discharge port occupied by air, so that no water is surrounded in the discharge port and the inner wall but some water in the discharge port, water flow rate of discharge port per unit time decreases, and draining period is long, besides, as air enters to the discharge port to influent flow, water flow rate decrease through the discharge port of the base, making wash force to the toilet decreased, which influents clean effect of the toilet.

SUMMARY OF THE INVENTION

To solve above problems, the present invention is provided with a water drain accelerating device, in which water level of the water tank falls down to make negative pressure generated by the air of the overflow pipe when the water valve is open to drain, the air in the overflow pipe can not enter to the discharge port through the overflow hole to influence the volume and water flow rate of the discharge port when the base is draining.

For above purpose, the present invention is provided with a water drain accelerating device, which includes a base assembled inside the water tank, the base is disposed with a discharge port connected to the flush way and an overflow hole connected to the discharge port, an overflow pipe is plugged to the base, the bottom of the overflow pipe is connected to the overflow hole, wherein further includes a negative pressure pipe connected to the overflow pipe, with the negative pressure pipe, negative pressure generates inside the overflow pipe when the base is draining.

The bottom of the cavity of the negative pressure pipe is an opening, the top of the cavity is formed to be a seal part.

The cavity of the negative pressure pipe is disposed with several limiting ribs with interval, the overflow pipe is plugged into the cavity to be positioned to the limiting ribs, the overflow pipe is connected to the cavity with space.

The limiting ribs of negative pressure pipe is disposed under the seal part of the cavity, the top of the overflow pipe is clamped to the limiting ribs with space.

The seal part at the top of the negative pressure pipe is disposed with a water refill joint connected to the cavity, the water refill joint is disposed with a water refill check valve.

The water refill check valve includes a valve rod sliding up and down inside the water refill joint, the bottom of the valve rod is fixed with a seal fitting, a spring is sleeved in the valve rod to withstand the valve rod upwards to make the seal fitting to seal the water refill joint.

The present invention further includes an air pipe extended from the overflow hole to the wash way.

With above technical proposal, when water tank is draining, water inside the water tank flows out of the discharge port of the base to make the water level falls, with water level inside the cavity of the negative pressure pipe falls down with the water level inside the water tank, negative pressure generates inside the overflow pipe, so air inside the overflow pipe can't enter into the discharge port 11 through the overflow hole, the sectional area of the water flow is the largest in the discharge port and the toilet is flushed and washed by large strength in a short time, which improves the clean effect. And an air pipe is disposed extended from the overflow hole to the flush way, making negative pressure generated inside the flush way and accelerated the water flow rate as well.

Another technical proposal of the present invention is provided with a water drain accelerating device, which includes a base and an overflow pipe, the base is assembled inside the water tank and disposed with a discharge port connected to the wash way of the toilet, the overflow pipe is assembled inside the water tank to connect to the wash way, wherein further includes a negative pressure pipe, which is connected to the overflow pipe, negative pressure generates inside the overflow pipe when the base is draining.

The bottom of the cavity of the negative pressure pipe is an opening, the top of the cavity is formed to be a seal part.

The present invention further includes an air pipe extended from the overflow pipe to the wash way.

The water drain accelerating device of the technical proposal is provided that the overflow pipe is disposed on the bottom wall of the water tank directly and it is connected to the flush way of the toilet, no overflow hole of overflow pipe is disposed in the base of the water valve, it solves the problem of the influence of the air inside the overflow pipe to the water flow rate of the discharge port of the base, and it makes negative pressure generated inside the flush way to increase the water flow rate.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 illustrates the sectional view of the first embodiment of the present invention.

FIG. 2 illustrates the structure of the negative pressure pipe of the first embodiment of the present invention.

FIG. 3 illustrates the sectional view of the overflow pipe of the first embodiment of the present invention when the overflow pipe is situated in overflow state.

FIG. 4 illustrates the sectional view of the overflow pipe of the first embodiment of the present invention when the overflow pipe is situated in negative pressure state.

FIG. 5 illustrates the sectional view of the second embodiment.

FIG. 6 illustrates the partial sectional view of the second embodiment when negative pressure in the overflow pipe and the check valve is closed.

FIG. 7 illustrates the partial sectional view of the second embodiment when the check valve is open to replenish water to the overflow pipe.

FIG. 8 illustrates the assembly of the water drain accelerating device of the present invention to the flush way of the toilet.

FIG. 9 illustrates the assembly of the third embodiment when the water drain accelerating device is connected to the flush way of the toilet through an air pipe.

FIG. 10 illustrates the assembly of the fourth embodiment when the overflow pipe is disposed in the water tank and connected to the flush way of the toilet directly.

Reference signs: base 10; discharge port 11; overflow hole 12; overflow pipe 20; negative pressure pipe 30; cavity 31; opening 310; seal part 311; limiting rib 32; joint of water refill pipe 33; water refill check valve 34; valve rod 341; seal fitting 342; spring 343; water refill pipe 35; flush way 40; wash way 41; jet way 42; air pipe 50.

DETAILED DESCRIPTION OF THE EMBODIMENTS

The present invention will be further described with the drawings and embodiments. The first embodiment (no water refill joint is disposed on the top of the negative pressure pipe)

As figured in the FIG. 1, FIG. 3 and FIG. 4, a water drain accelerating device includes a base 10, which is disposed with a discharge port 11 and overflow hole 12 connected to each other, as figured in the FIG. 8, the discharge port 11 is connected to the flush way 40 of the toilet, the flush way 40 includes a jet way 42 and a wash way 41; an overflow pipe 20 is vertically plugged to the base 10, the bottom of the overflow pipe 20 is connected to the overflow hole 12, a negative pressure pipe 30 is further disposed to connect to the overflow pipe 20 and negative pressure generates inside the overflow pipe 20 when the base 10 is draining; as figured in FIG. 1 and FIG. 2, the bottom of the cavity 31 of the negative pressure pipe 30 is an opening 310, the top of the cavity 31 is formed to be a seal part 311, the seal part 311 of the cavity 31 is disposed with several limiting ribs 32 with interval at the bottom, the overflow pipe 20 is plugged into the cavity 31, the top of overflow pipe 20 is clamped to the limiting ribs 32 with space, the overflow pipe 20 is connected to the cavity 31 with space, that is the assembly of the present invention.

Following is the work principle and detailed action of the present invention.

As figured in FIG. 1 and FIG. 3, put the base 10 of the present invention to the water tank of the toilet (not figured out), a valve with a switch is fixed to the base 10 (not figured out), when the water flows into the water tank and makes water level raised to reach to the opening 310 of the bottom of the negative pressure pipe 30, the water level seals the opening 310, with the raise of the water level inside the water tank, the water level of the cavity 31 of the negative pressure pipe 30 raises at the same time, air inside the cavity 31 enters to the overflow pipe 20 through the spaces between the limiting ribs 32 then gets out of the overflow hole 12 of the base 10. When the valve is failure and water level is higher than the top of the overflow pipe 20 in the cavity 31, water flows out of the top of the overflow pipe 20 through the cavity 31 then flows out of the overflow hole 12 to form overflow.

As figured in FIG. 4, when the discharge port 11 of the base 10 is open to water drain, water inside the water tank flows out of the discharge port 11 of the base 10 to make the water level falls, with water level inside the cavity 31 of the negative pressure pipe 30 falls down with the water level inside the water tank, negative pressure generates inside the overflow pipe 20, so air inside the overflow pipe 20 can't enter into the discharge port 11 through the overflow hole 12, the discharge port 11 is full of water, that is to say, sectional area of the water flow is largest in the discharge port 11 and water flow rate is largest in the discharge port 11 per unit time, as no air enters into the discharge port 11 from the overflow hole 12, water flow rate is highest in the discharge port 11, so the toilet is cleaned by high wash force in a short time.

The second embodiment (water refill joint is disposed at the top of the negative pressure pipe)

As figured in FIG. 5 and FIG. 6, the difference from the first embodiment is as below: the sealing part 311 at the top of the negative pressure pipe 30 is disposed with a water refill joint 33 to connect to the cavity 31, the water refill joint 33 is disposed with a check valve 34, the check valve 34 is disposed with a valve rod 341 sliding up and down inside the water refill joint 33, the bottom of the valve rod 341 is fixed with a seal fitting 342, a spring 343 is disposed at the valve rod 341 to push the valve rod 341 up to make the seal fitting 342 pushing and sealing the water refill joint 33.

As figured in FIG. 5 and FIG. 6, a water refill pipe 35 is connected to the water refill joint 33, the check valve 34 is closed and sealed the seal part 311 of the negative pressure pipe 30 to seal the top of the cavity 31, when the water valve is open and the discharge port 11 of the base 10 is draining, water in the water tank flows out through the discharge port 11 of the base 10 to make the water level of the water tank falling down, water level in the cavity of the negative pressure pipe 30 falls down with the water level of the water tank, negative pressure generates in the overflow pipe 20, which is connected to the cavity, with the negative pressure of the overflow pipe 30, air in the overflow pipe 20 can't enter into the discharge port 11 through the overflow hole 12, the discharge port 11 is full of water, sectional area of the water flow is largest in the discharge port 11 and water flow rate is largest in the discharge port 11 per unit time, as no air enters into the discharge port 11 from the overflow hole 12, water flow rate is the highest in the discharge port 11, so the toilet is cleaned by high wash force in short time.

As figured in FIG. 7, when water is replenished to the overflow pipe 20 through the water refill joint 33 by the water refill pipe 35, the water with pressure flushes to the seal fitting 342 of the check valve 34, making the seal fitting 342 moving downward and then separating from the bottom of the water refill joint 33, the seal fitting 342 drives the valve rod 341 to move downwards to compress the spring 343, the refill water of the water refill joint 33 is guiding to the overflow pipe 20 from the negative pressure pipe 30, then the water flows to the bending pipe of the toilet through the base 10 from the overflow hole 12 to form water seal to prevent odour of the drain pipe escaping from the toilet; when water of the water refill pipe 35 is cut off, with the work of the spring 343, the spring 343 drives the valve rod 341 to reposition, and the valve rod 341 drives the seal fitting 342 to reposition to seal the water refill joint 33 and the seal part 311 at the top of the negative pressure pipe 30. Other structure, work principle and action of this embodiment are similar to the first embodiment.

The third embodiment (the water drain accelerating device is connected to the flush way of the toilet by an air pipe)

As figured in FIG. 9, this embodiment further includes an air pipe 50 extended from the overflow hole 12 to the flush way 40, the water drain accelerating device is connected to the flush way 40 by the air pipe 50, making negative pressure generated inside the flush way 40 to accelerate the water flow rate. Other structure, work principle and action of this embodiment are similar to the first embodiment.

The fourth embodiment (the overflow pipe is disposed in the water tank to connect to the flush way of the toilet directly)

As figured in FIG. 10, the water drain accelerating device of this embodiment includes a base 10, which is assembled in the water tank and disposed with a discharge port connected to the flush way 40 of the toilet, the difference from the first embodiment is as below: the overflow pipe 20 is assembled in the bottom wall of the water tank and connected to the flush way 40 directly, or the overflow pipe 20 is connected to the flush way 40 by an air pipe 50 extended from the overflow pipe 20, the negative pressure pipe 30 is connected to the overflow pipe 20 and negative pressure generates in the overflow pipe 20 when the base is draining, negative pressure generates in the flush way 40 to accelerate draining; in another hand, as no overflow hole of overflow pipe 20 is disposed in the base, air inside the overflow pipe 20 has no influence to the volume of the discharge port. Other structure, work principle and action of this embodiment are similar to the first embodiment.

Although the present invention has been described with reference to the preferred embodiments thereof for carrying out the patent for invention, it is apparent to those skilled in the art that a variety of modifications and changes may be made without departing from the scope of the patent for invention which is intended to be defined by the appended claims.

Claims

1. A water drain accelerating device, includes a base assembled inside the water tank, the base is disposed with a discharge port connected to the flush way and an overflow hole connected to the discharge port, an overflow pipe is plugged to the base, the bottom of the overflow pipe is connected to the overflow hole, wherein further includes a negative pressure pipe connected to the overflow pipe, with the negative pressure pipe, negative pressure generates inside the overflow pipe when the base is draining.

2. A water drain accelerating device according to claim 1, wherein the bottom of the cavity of the negative pressure pipe is an opening, the top of the cavity is formed to be a seal part.

3. A water drain accelerating device according to claim 1, wherein the cavity of the negative pressure pipe is disposed with several limiting ribs with interval, the overflow pipe is plugged into the cavity to be positioned to the limiting ribs, the overflow pipe is connected to the cavity with space.

4. A water drain accelerating device according to claim 3, wherein the limiting ribs of negative pressure pipe is disposed under the seal part of the cavity, the top of the overflow pipe is clamped to the limiting ribs with space.

5. A water drain accelerating device according to claim 2, wherein the seal part at the top of the negative pressure pipe is disposed with a water refill joint connected to the cavity, the water refill joint is disposed with a water refill check valve.

6. A water drain accelerating device according to claim 5, wherein the water refill check valve includes a valve rod sliding up and down inside the water refill joint, the bottom of the valve rod is fixed with a seal fitting, a spring is sleeved in the valve rod to withstand the valve rod upwards to make the seal fitting to seal the water refill joint.

7. A water drain accelerating device according to any one of claim 1, wherein further includes an air pipe extended from the overflow hole to the wash way.

8. A water drain accelerating device includes a base and an overflow pipe, the base is assembled inside the water tank and disposed with a discharge port connected to the wash way of the toilet, the overflow pipe is assembled inside the water tank to connect to the wash way, wherein further includes a negative pressure pipe, which is connected to the overflow pipe, negative pressure generates inside the overflow pipe when the base is draining.

9. A water drain accelerating device according to claim 8, wherein the bottom of the cavity of the negative pressure pipe is an opening, the top of the cavity is formed to be a seal part.

10. A water drain accelerating device according to claim 8, wherein further includes an air pipe extended from the overflow pipe to the wash way

11. A water drain accelerating device according to claim 2, wherein further includes an air pipe extended from the overflow hole to the wash way.

12. A water drain accelerating device according to claim 3, wherein further includes an air pipe extended from the overflow hole to the wash way.

13. A water drain accelerating device according to claim 4, wherein further includes an air pipe extended from the overflow hole to the wash way.

14. A water drain accelerating device according to claim 5, wherein further includes an air pipe extended from the overflow hole to the wash way.

15. A water drain accelerating device according to claim 6, wherein further includes an air pipe extended from the overflow hole to the wash way.

16. A water drain accelerating device according to claim 9, wherein further includes an air pipe extended from the overflow pipe to the wash way.