CN217974636U

CN217974636U - Drainage device capable of improving flow

Info

Publication number: CN217974636U
Application number: CN202221455912.4U
Authority: CN
Inventors: 赖新兆; 张祖连; 钟志军
Original assignee: Xiamen R&T Plumbing Technology Co Ltd
Current assignee: Xiamen R&T Plumbing Technology Co Ltd
Priority date: 2022-06-10
Filing date: 2022-06-10
Publication date: 2022-12-06
Anticipated expiration: 2032-06-10

Abstract

The utility model discloses a drainage device for improving flow, which comprises a body, wherein a containing cavity and a water outlet for communicating the containing cavity with the outside are arranged in the body; the movable piece is arranged in the accommodating cavity and is in open-close matching connection with the water outlet; the suction unit comprises a suction pipe for sucking the medium in the accommodating cavity and also comprises an overflowing gap communicated with the suction pipe; and in the process that the movable piece opens the water outlet, the flow cross section area of the flow gap is increased from small to large. The utility model has the advantages that: by arranging an overflowing gap communicated with the suction pipe; in the process that the moving part opens the water outlet, the flow cross-sectional area of the flow gap is increased from small to large, and the size of the flow gap can be changed during extraction, so that the flow gap is in a small state at the moment of starting extraction, and negative pressure is formed in the accommodating cavity to enable the moving part to open the water outlet more stably.

Description

Drainage device capable of improving flow

Technical Field

The utility model relates to a improve drainage device of flow.

Background

In the patent with application number CN202110838148.2, the medium in the accommodating cavity is pumped out through the suction channel to form negative pressure, but if the gap between the suction channel and the accommodating cavity is too large, the negative pressure in the accommodating cavity is insufficient, so that the drain valve cannot be opened, and when the gap is too small, the flow of the brush ring is insufficient, so we provide a drainage device capable of improving the flow to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's shortcoming, provide a drainage device who improves flow.

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

a drainage device for improving flow, comprising:

the water outlet is communicated with the accommodating cavity and the outside;

the movable piece is arranged in the accommodating cavity and is in open-close matching connection with the water outlet;

the suction unit comprises a suction pipe for sucking the medium in the accommodating cavity and also comprises an overflowing gap communicated with the suction pipe;

and in the process that the movable piece opens the water outlet, the flow cross section area of the flow gap is increased from small to large.

Preferably, the overflowing gap is formed between the suction pipe and the movable piece, and the suction pipe sucks the medium in the accommodating cavity through the overflowing gap; the overflowing gap is changed in a stepped mode, or the overflowing gap is changed in a linear function mode.

Preferably, the draft tube includes a first outer diameter section and a second outer diameter section, the second outer diameter section having a diameter greater than the diameter of the first outer diameter section; the overflowing gap comprises a first gap formed by the second outer diameter section and the moving member when the moving member closes the water outlet and a second gap formed by the first outer diameter section and the moving member when the moving member opens the water outlet, wherein the second gap is larger than the first gap.

Preferably, still include ventilative unit, ventilative unit includes control valve and ventilative passageway, the control valve with ventilative passageway switching cooperation, the suction unit during operation, the control valve is closed ventilative passageway, after the suction unit stops working, the control valve is opened ventilative passageway is right when holding the chamber moisturizing, it passes through to hold the gas in the chamber ventilative passageway discharges.

Preferably, the upper part of the ventilation channel is provided with a ventilation hole, and the control valve is matched with the ventilation hole in an opening and closing manner so as to control the opening and closing of the ventilation channel.

Preferably, ventilative passageway (10) and hold and be equipped with between chamber (2) and cross discharge orifice (11), ventilative passageway (10) and hold chamber (2) and be linked together through crossing discharge orifice (11), the control valve with cross and be equipped with the air current clearance between the discharge orifice, the air current clearance includes the control valve is opened during ventilative passageway the third clearance that forms between control valve and the discharge orifice still includes the control valve is closed during ventilative passageway the fourth clearance that forms between control valve and the discharge orifice, wherein, the cross sectional area that overflows of third clearance is greater than the cross sectional area that overflows of fourth clearance.

Preferably, the control valve comprises a cylindrical section and a rib section, the fourth gap is formed between the cylindrical section and the overflowing hole, and the third gap is formed between the rib section and the overflowing hole.

Preferably, the suction unit further comprises a suction device and a connecting pipe connected with the suction device, the suction device can suck the medium of the suction pipe to the connecting pipe, and the connecting pipe is communicated with the ventilation channel; the ventilating passage is also connected with a liquid discharge pipe, and the outlet end of the liquid discharge pipe is communicated with a flushing water channel of the closestool.

Preferably, the flushing water channel is a brush ring water channel communicated with the toilet bowl at the outlet end of the liquid discharge pipe (45).

Preferably, the medium in the accommodating cavity is gas or liquid.

The utility model has the advantages of it is following:

1. the utility model arranges the overflow gap communicated with the suction tube; in the process that the drain outlet is opened by the moving part, the flow cross-sectional area of the flow gap is increased from small to large, the size of the flow gap can be changed during extraction, so that the flow gap is in a small state at the moment of starting extraction, negative pressure is formed in the accommodating cavity to enable the moving part to open the drain outlet more stably, the section of the gap is increased after the drain outlet is opened, and the extracted media are increased, so that the problems that the flow of a brush ring is insufficient due to the small gap, and the flow of the moving part cannot be opened due to the insufficient negative pressure in the accommodating cavity with the large gap are solved.

2. The utility model forms an airflow gap between the control valve and the ventilation channel, the size of the cross section of which can be changed along with the movement of the control valve, and solves the problems that when the gap is too large, the pumped medium can flow back to the containing cavity from the ventilation channel to weaken the water of the brush ring and the medium in the containing cavity can not be quickly discharged or can not be completely discharged when the ventilation channel is too small, and when the suction device is closed, the negative pressure in the containing cavity can not be timely eliminated by the external atmospheric pressure; the problems of small flow and backflow of the brush ring are solved through the mutual matching of the flow passing gap and the air flow gap.

Drawings

Fig. 1 is a perspective view of the drainage device of the present invention.

Fig. 2 is a schematic view of the initial state of the present invention.

Fig. 3 is a schematic view of the usage status of the present invention.

Fig. 4 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.

Fig. 5 is an enlarged schematic view of the position B in fig. 2 according to the present invention.

Fig. 6 is an enlarged schematic view of the point C in fig. 3 according to the present invention.

Fig. 7 is an enlarged schematic view of the position D in fig. 3 according to the present invention.

Fig. 8 is a schematic structural diagram of the control valve of the present invention.

Fig. 9 is a schematic view of the structure of the suction tube of the present invention.

In the figure, 1, a body; 2. an accommodating chamber; 3. a movable member; 41. a suction device; 42. a suction channel; 43. a suction pipe; 431. a first outer diameter section; 432. a second outer diameter section; 44. a connecting pipe; 45. a liquid discharge pipe; 5. a control valve; 51. a cylindrical section; 52. a bar section; 6. a water outlet; 71. a first gap; 72. a second gap; 81. a fourth gap; 82. a third gap; 9. a spring; 10. a ventilation channel; 11. and (4) an overflowing hole.

Detailed Description

To make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As in the embodiment shown in figures 1-9,

a drainage device for improving flow, comprising:

the water-saving device comprises a body 1, wherein an accommodating cavity 2 and a water outlet 6 for communicating the accommodating cavity 2 with the outside are arranged in the body 1;

the moving part 3 is arranged in the accommodating cavity 2 and is connected with the water outlet 6 in an opening and closing matching way;

a suction unit including a suction pipe 43 for sucking the medium in the housing chamber 2, and further including an excess flow gap communicating with the suction pipe 43;

wherein, in the process that the moving part 3 opens the water outlet 6, the flow cross-sectional area of the flow gap is increased from small to large.

In the embodiment, an overflow gap is generated between the suction pipe 43 and the movable part 3, and the suction pipe 43 sucks the medium in the accommodating cavity 2 through the overflow gap; the overcurrent gap changes in a stepped manner, or the overcurrent gap changes in a linear function manner.

In this embodiment, the draft tube 43 includes a first outer diameter section 431 and a second outer diameter section 432, the diameter of the second outer diameter section 432 being greater than the diameter of the first outer diameter section 431; the overflowing gap comprises a first gap 71 formed by the second outer diameter section 432 and the movable element 3 when the movable element 3 closes the water outlet 6, and a second gap 72 formed by the first outer diameter section 431 and the movable element 3 when the movable element 3 opens the water outlet 6, wherein the second gap 72 is larger than the first gap 71.

In this embodiment, still include ventilative unit, ventilative unit includes control valve 5 and ventilative passageway 10, and control valve 5 and the cooperation of the switching of ventilative passageway 10, suction unit during operation, control valve 5 close ventilative passageway 10, and suction unit stop work back, control valve 5 opens ventilative passageway 10, when moisturizing to holding chamber 2 through the water supply unit, holds the gas in the chamber 2 and discharges through ventilative passageway 10.

In this embodiment, the upper portion of the ventilation channel is provided with a ventilation hole, and the control valve is matched with the ventilation hole to control the opening and closing of the ventilation channel 10.

In this embodiment, be equipped with between ventilation passageway (10) and the chamber of holding (2) and cross discharge orifice (11), ventilation passageway (10) is linked together through crossing discharge orifice (11) with holding chamber (2), is equipped with the air current clearance between control valve 5 and the discharge orifice 11, and the air current clearance includes the third clearance 82 that forms between control valve 5 and the discharge orifice 11 when control valve 5 opened ventilation passageway 10, still includes the fourth clearance 81 that forms between control valve 5 and the discharge orifice 11 when control valve 5 closed ventilation passageway 10, and wherein, the cross sectional area that overflows of third clearance 82 is greater than the cross sectional area that overflows of fourth clearance 81.

In this embodiment, the control valve 5 includes a cylindrical section 51 and a rib section 52, a fourth gap 81 is formed between the cylindrical section 51 and the overflowing hole 11, and a third gap 82 is formed between the rib section 52 and the overflowing hole 11.

In this embodiment, the suction unit further includes a suction device 41 and a connection pipe 44 connected to the suction device 41, the suction device 41 can suck the medium of the suction pipe 43 to the connection pipe 44, and the connection pipe 44 is communicated with the ventilation channel 10; the ventilation passage 10 is also connected with a liquid discharge pipe 45, and the outlet end of the liquid discharge pipe 45 is communicated with a flushing water channel of the closestool.

In the embodiment, the flushing water channel is a brush ring water channel with the outlet end of a liquid discharge pipe (45) communicated with a toilet bowl.

In this embodiment, the medium in the accommodating chamber 2 is gas or liquid.

The working process of the utility model is as follows: when the water is adopted as a medium in the accommodating cavity 2, in use, the suction device 41 is started to suck the water in the accommodating cavity 2 through the suction channel 42 and the suction pipe 43, at the moment, the water is sucked out through the first gap 71, negative pressure is formed in the accommodating cavity 2 in the process of suction, the movable element 3 is moved upwards, and thus the overflowing gap is changed into a state of a second gap 72 (shown in fig. 6); at this time, water enters the ventilation channel 10 through the suction pipe 43, the control valve 5 is pushed upwards by the water, so that the sealing ring at the top of the control valve 5 seals the ventilation hole at the top of the ventilation channel 10, and the control valve 5 moves upwards to enable the airflow gap to be in the state of a fourth gap 81, so that the water can be fully discharged into the brush ring water channel through the liquid discharge pipe 45;

when the suction device 41 stops working, both the movable member 3 and the control valve 5 move downward, so that the flow passage gap is in the state of the first gap 71 (as shown in fig. 4) and the gas flow gap is in the state of the third gap 82 (as shown in fig. 7), and gas enters the accommodating chamber 2 through the gas passage 10 and the overflowing hole 11 to eliminate the negative pressure.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A flow-enhancing drain, comprising:

the water-saving device comprises a body (1), wherein an accommodating cavity (2) and a water outlet (6) for communicating the accommodating cavity (2) with the outside are formed in the body (1);

the moving part (3) is arranged in the accommodating cavity (2) and is connected with the water outlet (6) in an opening and closing matching manner;

a suction unit comprising a suction tube (43) for sucking the medium in the accommodation chamber (2), and further comprising an overflow gap communicating with the suction tube (43);

and in the process that the movable piece (3) opens the water outlet (6), the flow cross-sectional area of the flow gap is increased from small to large.

2. A flow enhancing drain as claimed in claim 1, wherein: the overflowing gap is generated between the suction pipe (43) and the movable piece (3), and the suction pipe (43) sucks the medium in the accommodating cavity (2) through the overflowing gap; the overflowing gap is changed in a stepped mode, or the overflowing gap is changed in a linear function mode.

3. A flow enhancing drain as claimed in claim 2, wherein: the suction tube (43) comprises a first outer diameter section (431) and a second outer diameter section (432), the diameter of the second outer diameter section (432) is larger than that of the first outer diameter section (431); the overflowing gap comprises a first gap (71) formed by the second outer diameter section (432) and the movable piece (3) when the movable piece (3) closes the water outlet (6), and a second gap (72) formed by the first outer diameter section (431) and the movable piece (3) when the movable piece (3) opens the water outlet (6), wherein the second gap (72) is larger than the first gap (71).

4. A flow enhancing drain as claimed in claim 1, wherein: still include ventilative unit, ventilative unit includes control valve (5) and ventilative passageway (10), control valve (5) with ventilative passageway (10) switching cooperation, the suction unit during operation, control valve (5) are closed ventilative passageway (10), after the suction unit stop work, control valve (5) are opened ventilative passageway (10), it is right through the water supply unit when holding chamber (2) moisturizing, it passes through to hold the gas in chamber (2) ventilative passageway (10) discharge.

5. An improved flow drain as claimed in claim 4, wherein: the upper part of the ventilation channel is provided with a ventilation hole, and the control valve (5) is matched with the ventilation hole in an opening and closing way so as to control the opening and closing of the ventilation channel (10).

6. An improved flow drain as claimed in claim 4, wherein: ventilative passageway (10) and hold and be equipped with between chamber (2) and cross discharge orifice (11), ventilative passageway (10) with hold chamber (2) and be linked together through crossing discharge orifice (11), control valve (5) with cross and be equipped with airflow gap between discharge orifice (11), airflow gap includes control valve (5) are opened during ventilative passageway (10) third clearance (82) that form between control valve (5) and the discharge orifice (11), still include control valve (5) are closed during ventilative passageway (10) fourth clearance (81) that form between control valve (5) and the discharge orifice (11), wherein, the cross sectional area that overflows of third clearance (82) is greater than the cross sectional area that overflows of fourth clearance (81).

7. An improved flow drain as claimed in claim 6, wherein: the control valve (5) comprises a cylindrical section (51) and a rib section (52), a fourth gap (81) is formed between the cylindrical section (51) and the overflowing hole (11), and a third gap (82) is formed between the rib section (52) and the overflowing hole (11).

8. An improved flow drain as claimed in claim 4, wherein: the suction unit further comprises a suction device (41) and a connecting pipe (44) connected with the suction device (41), the suction device (41) can suck the medium of the suction pipe (43) to the connecting pipe (44), and the connecting pipe (44) is communicated with the air-permeable channel (10); the ventilating channel (10) is further connected with a liquid discharge pipe (45), and the outlet end of the liquid discharge pipe (45) is communicated with a flushing water channel of the closestool.

9. An improved flow drain as claimed in claim 8, wherein: the flushing water channel is a brush ring water channel with the outlet end of a liquid discharge pipe (45) communicated with the toilet bowl.

10. An improved flow drain as claimed in any one of claims 1 to 9, wherein: the medium in the accommodating cavity (2) is gas or liquid.