WO2014073821A1

WO2014073821A1 - Power-supply-free air pump and water-treatment device incorporating same

Info

Publication number: WO2014073821A1
Application number: PCT/KR2013/009873
Authority: WO
Inventors: 진성월
Original assignee: 코웨이 주식회사
Priority date: 2012-11-06
Filing date: 2013-11-04
Publication date: 2014-05-15
Also published as: KR101817099B1; KR20140058163A; MY179282A

Abstract

Provided are a power-supply-free air pump and a water-treatment device incorporating same. The power-supply-free air pump may comprise: a drive unit incorporating a housing which is formed so as to have a water inlet port and a water outlet port therein, and also incorporating an impellor which is installed inside the housing and generates a rotational force due to the pressure of untreated water flowing in via the water inlet port; and an air-generating unit incorporating a body unit which is formed so as to have a suction port and a discharge port therein, and incorporating a pressing member which is joined in an eccentrically rotating fashion to a rotational piece linked to a rotational shaft provided on the impellor, and also incorporating a pump member for discharging air, that has been sucked in via the suction port, through the discharge port while a plurality of compression units sequentially compress or expand as the pressing member eccentrically rotates.

Description

Non-powered air pump and water treatment device having the same

The present invention relates to an air pump and a water treatment apparatus having the same, and more particularly, to an air pump and a water treatment apparatus having the same, which mixes a high concentration of air to the washing water flow with no power.

Recently, water supply apparatuses, such as bidets and water softeners, have been used in which an air supply device for mixing a discharged water stream with a soft water stream is formed.

For example, in the bidet, an air pump is provided, and fluid is flowed into the internal flow path during cleaning, and the air is forced to mix with the fluid to pressurize the liquid to increase the cleaning power while providing a gentle water flow.

Conventionally, the water treatment apparatus uses a method of forcibly mixing air in a flow path using an air pump that is electrically driven to mix air at a high concentration in the washing water stream.

In general, such an electrically driven air pump has a structure in which a plurality of pistons are sequentially inflated or compressed to discharge air. In addition, the air pump is provided with an electrically operated drive motor is configured to sequentially press the plurality of pistons in accordance with the rotation of the drive motor.

However, there is a problem that such an air pump system cannot be used because there is no electricity as a power source in a water treatment device that is automatically powered by a non-powered bidet or a water softener.

In addition, the conventional air pump has a problem in that the size of the air pump increases due to the size of the drive motor and operating noise occurs.

Therefore, there is a need for an air pump capable of mixing high concentrations of air with no power supply in the water treatment device and reducing the size of components.

The present invention has been proposed in order to solve the conventional problems as described above, the object of the present invention is a non-powered air pump for supplying and mixing air to the water stream easily discharged even in the case of a water treatment device operated by a non-power source and a water treatment device having the same Is in providing.

In another aspect, the present invention, the installation cost and maintenance cost is reduced and the size of the air pump can be reduced to provide a non-powered air pump that maximizes the efficiency of the installation space of the air pump and a water treatment apparatus having the same do.

In another aspect, the present invention is to provide a non-powered air pump for generating a high concentration of air even in a region of low water pressure and a water treatment device having the same.

As a technical aspect for achieving the above object, the present invention, the inlet and outlet is formed in the housing; and the impeller installed in the housing and generates a rotational force by the water pressure of the raw water flowing through the inlet; A driving unit provided; And a body member having an inlet and an outlet formed therein; and a crimping member that is eccentrically coupled to a rotatable tool connected to a rotation shaft provided in the impeller; It provides a non-powered air pump including; an air generating unit having a; pump member for discharging the air sucked through the inlet through the discharge while expanding.

Preferably, the pressing member may include an eccentric shaft inserted into the eccentric hole formed in the rotary hole, and a fitting hole into which the plurality of compression parts are fitted.

Preferably, the driving unit may further include a sealing member for preventing leakage of raw water introduced into the housing.

Preferably, the sealing member may be formed of a mechanical seal installed on an outer circumferential surface of the rotating shaft to seal between the rotating shaft of the impeller and the through hole provided in the housing.

Preferably, the power transmission unit is provided between the driving unit and the air generating unit, a plurality of gears are engaged to rotate to increase the rotational force of the driving unit and to transmit to the air generating unit.

Preferably, the power transmission unit, a first gear installed on the rotating shaft of the impeller; and at least one second gear disposed to mesh with the first gear; And a third gear meshed with the second gear and installed in the rotating tool.

Preferably, the body portion, the main body is formed with a suction port through which air is introduced, the mounting hole is coupled to the housing; And a cover member coupled to an upper portion of the body and having a discharge port through which air is discharged.

On the other hand, the present invention as another aspect, the air pump comprising a raw water flow passage connected to the outlet of the drive unit; and an air flow passage connected to the discharge port of the air generating unit; and the contact portion of the raw water flow passage and the air flow path It is provided so as to communicate with the mixed flow path for discharging the raw water mixed with the air; provides a water treatment apparatus having a non-powered air pump further comprises.

According to such an air pump and a water treatment device having the same, even in the case of a water treatment device operated without a power supply, it provides an effect of supplying and mixing air to the easily discharged water stream.

In addition, according to an embodiment of the present invention, since the driving unit provides rotational force by hydraulic pressure, the installation cost and maintenance cost can be reduced, and since the driving unit is driven without the driving motor, the size of the air pump can be reduced, thereby installing the air pump. Space efficiency can be maximized.

In addition, according to the embodiment of the present invention, the rotational force of the impeller can be increased by the power transmission unit, it is possible to obtain the effect of generating a high concentration of air even in a region of low hydraulic pressure.

1 is a cross-sectional view of a water treatment device having an air pump according to an embodiment of the present invention.

2 is a cross-sectional view of a water treatment device having an air pump according to another embodiment of the present invention.

Figure 3 is a block diagram schematically showing a bidet in which the air pump of the present invention is used.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

Embodiments described below are embodiments suitable for understanding the technical features of the present invention, a non-powered air pump and a water treatment device having the same. However, the technical features of the present invention are not limited by the embodiments described or applied to the embodiments described below, and various modifications are possible within the technical scope of the present invention.

First, referring to FIG. 1, an air pump 100 according to an embodiment of the present invention includes a driving unit 200 having an impeller 230 that generates rotational force by hydraulic pressure, and a rotational force from the driving unit 200. It may be configured to include an air generating unit 300 for generating air received.

The driving unit 200 is provided with a housing 210 in which an inlet 211 and an outlet 213 are formed, and installed inside the housing 210 to generate rotational force by hydraulic pressure of raw water introduced through the inlet 211. It may be configured to include an impeller 230 to generate.

Here, the inlet 211 provided in the housing 210 may be connected to the raw water inlet, and the outlet 213 may be connected to a flow path discharged to the outside from a device such as a bidet. The water flowing into the inlet 211 is discharged to the outlet 213 so that the water flows in one direction inside the housing 210. Detailed description thereof will be described later.

In addition, the impeller 230 is positioned inside the housing 210, and the impeller 230 is rotated by the water pressure of water introduced from the inlet 211. In addition, the water introduced through the inlet 211 may rotate the impeller 230 and flow out through the outlet 213.

In this case, the impeller 230 may be integrally coupled to the wing and the rotating shaft 231, the through-hole 215 through which the rotating shaft 231 is formed may be formed in the housing 210. In addition, a sealing member 250 is formed between the through hole 215 and the outer circumferential surface of the rotating shaft 231 to prevent the water flowing into the housing 210 from flowing out through the through hole 215. can do.

The rotary shaft 231 may be coupled to the rotary sphere 320 of the air generating unit 300, as described later, in this case, the cross section of the end of the rotary shaft 231 to easily transfer the rotational force of the impeller 230 May be formed in a D-shape. However, the present invention is not limited thereto, and various modifications may be made if the rotary sphere 230 can rotate integrally with the rotary shaft 231.

On the other hand, the air generating unit 300, the inlet port 312 and the discharge port 315 is formed in the body portion 310 and the rotary hole 320 connected to the rotating shaft 231 provided in the impeller 230, eccentric As the compression member 330 and the compression member 330 are rotated eccentrically, the plurality of compression units 351 are sequentially compressed or expanded to discharge the air sucked through the suction unit through the discharge unit. It may be provided with a pump member 350 to.

The body portion 310 may include, for example, a suction port 312 through which air is introduced, a main body 311 having a mounting hole 313 to which the housing 210 is coupled, and an air coupled to an upper portion of the body. It may be configured to include a cover member 314 is formed with an outlet 315 is discharged.

In addition, the compression member 330 and the pump member 350 may be accommodated in an inner space formed inside the main body 311. The air introduced through the suction port 312 may be pressurized by the operation of the compression member 330 and the pump member 350 to be discharged to the outside through the discharge port 315.

At this time, as shown in the embodiment shown in Figure 1, between the cover member 314 and the main body 311 is provided with a plate (without reference numeral) formed a hole through which the air pressurized from the compression unit 351 is discharged Can be.

However, the configuration of the housing 210 is not limited to the illustrated embodiment, and various embodiments may be applied as long as the air introduced from the suction port 312 may be discharged to the discharge port 315.

On the other hand, the air generating unit 300 may include a rotary hole 320 is integrally rotated in accordance with the rotation of the rotary shaft 231 of the impeller 230 is fitted. In addition, the pressing member 330 has an eccentric shaft 331 inserted into and mounted in an eccentric hole 321 to be formed in the rotary hole 320, and a fitting hole 332 into which the plurality of compression parts 351 are fitted. ) May be formed. Reference numeral 323, which is not described, is a coupler provided in the pressing member 330 so that the end portion of the eccentric shaft 331 is fitted.

Accordingly, the pressing member 330 may be eccentrically rotated as the impeller 230 rotates.

On the other hand, the pump member 350 may be provided with a plurality of compression unit 351. The compression unit 351 is preferably formed of an elastic rubber material, the upper compression space may be formed radially. In addition, a compression protrusion fitted to the fitting hole 332 of the pressing member 330 may be formed below the compression space.

A plurality of fitting holes 332 may be formed in the pressing member 330 to fit the plurality of compression parts 351. In addition, the pressing member 330 is inclined at a predetermined inclination and eccentrically rotated, thereby compressing the plurality of compression units 351 sequentially.

Air pump 100 according to an embodiment of the present invention configured as described above, by the driving unit 200 is provided with an impeller 230 that rotates by water pressure, the pressing member 330 of the air generating unit 300 By rotating the rotational force to compress the pump member 350 can be obtained.

Therefore, even in the case of a water treatment apparatus operated without a power supply, air can be supplied to and mixed with the discharged water stream. For example, even in the case of a mechanical bidet manual operation of the bidet / cleaning operation by the impeller 230 is rotated by the water pressure of the raw water flowing through the inlet 211 connected to the raw water supply source air generating unit 300 ), The pressing member 330 is also rotated to form a stream of air mixed with no power.

In addition, since the driving unit 200 provides rotational force by hydraulic pressure, installation cost and maintenance cost can be reduced, and since the driving unit 200 is driven without a driving motor, the size of the air pump 100 can be reduced, thereby installing the air pump 100. Space efficiency can be maximized.

On the other hand, the driving unit 200 may further include a sealing member 250 for preventing the leakage of raw water introduced into the housing 210.

At this time, the sealing member 250 is not limited, and various modifications are possible if the water introduced into the housing 210 may be prevented from leaking through the through hole 215.

Meanwhile, preferably, the sealing member 250 is installed on an outer circumferential surface of the rotating shaft 231 to seal between the rotating shaft 231 of the impeller 230 and the through hole 215 provided in the housing 210. It may be made of a mechanical thread.

Accordingly, the sealing member 250 provided as the mechanical seal may be configured to smoothly rotate the rotation shaft 231 while maintaining the airtightness and watertight between the housing 210 and the rotation shaft 231. .

On the other hand, with reference to Figure 2 will be described a non-powered air pump 100 according to another embodiment of the present invention. 2 is a cross-sectional view showing the configuration of a non-powered air pump 100 according to another embodiment of the present invention.

The non-powered air pump 100 according to the other embodiment has a difference in that it further includes a power transmission unit 400 for increasing the rotational force of the driving unit 200 in the embodiment. Therefore, hereinafter, a detailed description of the same configuration as the above embodiment will be omitted.

That is, referring to FIG. 2, the non-powered air pump 100 according to another embodiment of the present invention is provided between the driving unit 200 and the air generating unit 300, and a plurality of gears are engaged and rotated. It may further include a power transmission unit 400 to increase the rotational force of the driving unit 200 to transmit to the air generating unit 300.

In detail, the power transmission unit 400 may include a first gear 420 installed on the rotation shaft 231 of the impeller 230, and one or more second gears arranged to engage the first gear 420. 430 and a third gear 440 meshed with the second gear 430 and installed in the rotary hole 320.

In this case, the power transmission unit 400 may include a gear box 410 mounted between the housing 210 and the body portion 310, and the first inside the gear box 410. The gear 420, the second gear 430, and the third gear 440 may be mounted to rotate in engagement with each other.

Accordingly, the rotational force generated by the rotation of the impeller 230 is increased by the engagement of a plurality of gears of the power transmission unit 400 may be transmitted to the rotating hole 320. Therefore, even when the water pressure of the raw water flowing into the housing 210 is weak, low torque due to the rotation of the impeller 230 is caused by a plurality of gears of the power transmission unit 400 to rotate torque and rotation RPM (Revolution per Minute). ), The effect of generating a high concentration of air can be obtained.

On the other hand, with reference to Figures 1 to 3 will be described with respect to the water treatment device 1 having a non-powered air pump 100 according to another aspect of the present invention .

Water treatment device 1 according to an embodiment of the present invention, the air pump 100, the raw water flow passage 510 connected to the outlet 213 of the drive unit 200, and the air generating unit 300 It may include an air passage 520 connected to the discharge port, and a mixing passage 530 which is provided to communicate with the raw water passage 510 and the contact portion of the air passage 520 to discharge the raw water mixed with air to the outside. have.

In this case, the inlet 211 of the housing 210 may be connected to the raw water supply unit such as tap water or a tank may be introduced into the raw water.

That is, the air pump 100 is connected to the middle of the raw water passage 510 connected to the raw water supply source in the water treatment device 1 to rotate the impeller 230 by the water pressure of the raw water flowing through the raw water passage 510. It can be configured to.

Specifically, when raw water flows into the water inlet 211 connected to the raw water supply unit, the impeller 230 is rotated by water pressure, and the pressing member of the air generating unit 300 is rotated by the impeller 230. As the 330 rotates eccentrically, the compression unit 351 provided in the pump member 350 may be sequentially pressed. Accordingly, the generated air may be discharged to the air passage 520 connected to the discharge port 315.

The raw water introduced through the water inlet 211 rotates the impeller 230 and is discharged through the water outlet 213 to flow into the raw water flow passage 510. The air flowing in the air flow path 520 and the raw water flowing in the raw water flow path 510 may be mixed at the contact portion of the air flow path 520 and the raw water flow path 510, and thus the mixing flow path ( In the 530, a soft water stream in which air bubbles are mixed may be discharged to the outside.

3 illustrates a case where the air pump 100 is provided in a bidet as an example of the water treatment apparatus 1.

Referring to FIG. 3, the mixing flow path 530 may be connected to a flow path switching valve of a bidet, and the raw water mixed with air may be discharged to the cleaning nozzle or the bidet nozzle according to the flow path switching of the flow path switching valve. Accordingly, the raw water mixed with the bubbles may be discharged to the bidet nozzle or the cleaning nozzle to increase the cleaning power and to discharge the soft water stream.

However, the water treatment device 1 equipped with the air pump 100 according to an embodiment of the present invention is not limited to the case where it is applied to the bidet, and may be applied to the water treatment device having a synergy effect by mixing air. have. Of course, it can be used in water treatment devices, such as water softeners.

According to the water treatment apparatus provided with the air pump as described above, even in the case of the water treatment apparatus operated without a power supply, air can be supplied to and mixed with the water stream easily discharged.

In addition, since the driving unit provides rotational force by hydraulic pressure, installation cost and maintenance cost can be reduced, and since the drive unit is driven without a driving motor, the size of the air pump can be reduced, thereby maximizing the efficiency of the installation space of the air pump. In addition, since the rotational force of the impeller can be increased by the power transmission unit, it is possible to obtain the effect of generating a high concentration of air even in a region where the water pressure is weak.

While the invention has been shown and described in connection with specific embodiments so far, it will be appreciated that the invention can be varied and modified without departing from the spirit or scope of the invention as set forth in the claims below. It will be appreciated that those skilled in the art can easily know.

Claims

A driving unit including a housing formed with an inlet and an outlet; and an impeller installed inside the housing and generating a rotational force by hydraulic pressure of raw water flowing through the inlet; And,

A body part having an inlet port and an outlet port; and a crimping member that is eccentrically coupled to a rotational hole connected to the rotating shaft provided in the impeller; An air generator including a pump member for discharging air sucked through the suction port through the discharge part;

Powerless air pump comprising a.
The method of claim 1,

The pressing member may include an eccentric shaft inserted into and mounted in an eccentric hole formed in the rotary hole, and a fitting hole into which the plurality of compression parts are fitted.
The method of claim 1,

The driving unit further comprises a sealing member for preventing leakage of raw water introduced into the housing.
The method of claim 3,

The sealing member is a non-powered air pump, characterized in that the mechanical seal is installed on the outer peripheral surface of the rotating shaft to seal between the rotating shaft of the impeller and the through-hole provided in the housing.
The method of claim 1,

The power supply unit is provided between the driving unit and the air generating unit, the power transmission unit for increasing the rotational force of the driving unit to be transmitted to the air generating unit while the plurality of gears are engaged with the rotation.
The method of claim 5, wherein the power transmission unit

A first gear installed on a rotating shaft of the impeller;

At least one second gear disposed to engage the first gear; And,

A third gear meshed with the second gear and installed in the rotary tool;

Powerless air pump, characterized in that comprises a.
The method of claim 1, wherein the body portion

A main body having a suction port through which air is introduced and a mounting hole to which the housing is coupled; And,

A cover member coupled to an upper portion of the body and having a discharge port through which air is discharged;

Powerless air pump comprising a.
It includes; the air pump of any one of claims 1 to 7,

A raw water flow passage connected to the outlet of the driving unit; and an air flow passage connected to the discharge port of the air generation unit; and the raw water flow passage and the air flow passage connected to the contact portion of the air flow passage to discharge the mixed raw water to the outside. A water treatment device further comprising a flow path.