KR20020083997A - Range hood for a sink - Google Patents

Abstract

PURPOSE: A range hood for sink is provided to be conveniently and hygienically used. CONSTITUTION: A circular hole is formed on a lower side of a case(2) of a range hood(1). A cylindrical flexible bellows pipe insertion tube(3) is vertically installed in the case. A blowing fan(7) rotated by a blower motor(8) is installed in an upper part of the flexible bellows pipe insertion tube. An upper part of a flexible bellow pipe(4) is fixed to a bottom of an upper side of an inside of the flexible bellow pipe insertion tube. An intake hood(5) has a lower end of the flexible bellows pipe installed thereon and a vertical movement guide pipe(6) installed on an upper part thereof, upwardly penetrating a lower part of the case and guided to vertically move. A wire motor(14) with a pulley(13) winding a wire(11) is installed on an outside of the flexible bellow pipe insertion tube. An electric wire(15) of the blower motor and the wire motor passes an inside of the vertical movement guide pipe and connected to a blower motor switch(9) and a wire motor switch(16) installed on the intake hood.

Description

Range hood for sinks {Range hood for a sink}

The present invention relates to a sink hood for sink installed in the upper side of the gas sink of the kitchen sink for discharging the gas and odor generated during cooking to the outside, and more specifically is installed on the lower side of the blowing hood and blowing fan of the range hood A telescoping tube is installed between the suction hood that inhales gas and odor generated during cooking, and a telescoping tube insertion tube is installed inside the case of the stove hood to raise and lower the suction hood according to the degree of odor and gas generation. It prevents the outside of the telescoping pipe from being contaminated by dust, and the telescoping pipe can be lifted up and down by a motor to make it easier to use the range hood, and the up and down between the lower side of the case and the suction hood where the telescoping pipe is connected and installed. By installing the guide pipe, the suction hood is shaken by vibration generated when the blowing fan rotates. It is to to prevent.

In general, the stove hood installed above the gas sink of the kitchen sink to inhale smoke and odor generated during cooking from the stove and discharge to the outside is installed with a blower fan that is rotated by a blow motor inside the case of the enclosure type. At the bottom of the blower motor, a blower motor switch and a lamp switch for rotating the blower motor are installed, and a suction hood installed with a filter is installed inside, and the exhaust port of the blower fan is provided with external communication.

Therefore, the smoke and odor generated during cooking in the stove are sucked into the suction hood by the rotation of the blower fan and discharged to the outside through the blower fan, the exhaust vent installed in the blower fan, and the communication to prevent food smell and smoke in the room. have.

However, since a typical hood has a suction hood that sucks odors and smoke, it is fixedly installed under the case of the hood. When the suction power is weak, the smoke and odor could not be properly inhaled to spread the room.

Therefore, in order to solve such a problem in the prior art, the suction hood which sucks smoke and odor first has been filed and published by a stretchable pipe.

The conventional sink hood for the sink disclosed above is known as Utility Model Publication No. 1988-10159 (Name: Range Hood with Flexible Duct Hood).

The elector is provided with a blowing fan inside the hood hood body having an exhaust port on one side, a flexible duct hood having a corrugated tube shape is formed in the lower portion of the blowing fan, and a filter inside the flexible duct hood. The installed suction part is provided, and inside the flexible duct hood, a lower end part is connected to the center of the suction part, and an upper part is wound by a roller installed below the blowing fan, and a wire is pulled from the lower side to allow the flexible duct hood to move up and down.

Such a prior application has an effect of effectively inhaling and releasing smoke and odor generated during cooking as the flexible duct hood descends or rises as the flexible duct hood descends or rises as the wire is pulled and released.

However, this is because the flexible duct hood of the corrugated pipe is laid down below the main body of the stove hood and the outside of the flexible duct hood is exposed to the outside, so that a lot of dust accumulates on the outside of the flexible duct hood of the corrugated pipe, and the ventilation When the fan motor is driven and the blowing fan rotates, the bellows-shaped flexible duct hood shakes violently, and the noise is generated. Of course, the dust accumulated on the outside of the flexible duct hood formed in the corrugated pipe shape cooks food below the range hood. There was an unsanitary problem falling to the side.

In addition, since the wire for elevating the flexible duct hood is lowered to the lower side of the stove hood body, it is a natural fact that a lot of dust accumulates in the wire, and it is natural that the wire is raised and lowered every time the flexible duct hood is elevated. There was a hassle to pull and place with your own hands.

In order to solve the above problems, the present invention is installed in a corrugated pipe shape to expand and expand a telescoping corrugated tube inserted into a telescoping corrugated tube, so that dust does not accumulate on the outside of the telescoping corrugated tube. In addition, between the suction hood and the case installed in the lower end of the expansion pipe and the case to guide the lifting and lowering of the expansion pipe and the suction hood to install the lifting guide pipe to minimize the shaking, and the wire to raise and lower the expansion pipe and suction hood The technical task is to provide the convenience and hygienic stove hood by automatically winding or unwinding the pulley by the motor.

In order to achieve the above object, the present invention provides a telescoping tube below a blowing fan of a stove hood installed above the gas base of a sink, and an air blowing motor switch and a lamp switch for driving a blowing motor are installed at a lower end of the telescoping tube. A suction hood having a filter installed therein is provided, and between the lower end of the blower fan and the suction hood, a wire for raising and lowering the suction hood is guided by a pulley, and a tubular tube is provided inside the case of the range hood. The expansion pipe tube of the form is installed vertically, the upper portion of the expansion pipe tube is installed with a blowing fan that is rotated by the blowing motor, the upper portion of the inner tube of the expansion pipe tube is fixed to the upper portion of the expansion pipe, The upper four sides of the suction hood is installed in the lower end of the expansion pipe is passed upward to the bottom of the case The elevating guide pipe which is guided downward is installed upward, and the wire motor is installed on the outer side of the expansion pipe tube insertion tube is installed pulley that is wound and unwind the wire, the electric motor of the blowing motor and the wire motor is the elevating guide pipe It is characterized in that it is connected to the blowing motor switch and the wire motor switch installed in the suction hood passing through the inside of the.

1 is a front view of the kitchen sink is installed sink hood for sink according to the present invention.

Figure 2 is a cross-sectional view showing the structure of the sink hood for the sink according to the present invention.

Figure 3 is a side cross-sectional view of the suction hood portion "A" of Figure 2;

4 is a cross-sectional view taken along the line B-B in FIG.

<Explanation of symbols for main parts of drawing>

DESCRIPTION OF SYMBOLS 1 Range hood 2: Case 3: Expansion-type corrugated pipe insertion container

4: expansion pipe 5: suction hood 6: lifting guide pipe

7 blower fan 8 blower motor 9 blower motor switch

10 lamp switch 11 wire 12 pulley

13 pulley 14 wire motor 15 electric wire

16 wire motor switch 17 exhaust port 18 communication

19: blower case 20: hook 21: guide hole

22: guide bush 23: limit switch 24: limit switch

Hereinafter, a sink hood for a sink according to the present invention will be described with reference to the accompanying drawings of FIGS. 1 to 4.

The sink hood for sink according to the present invention is installed on the upper side of the gas tank of the sink 25, and the expansion and contraction tube 3 is formed vertically in the cylindrical case 2 having a circular opening downward. In the upper portion of the expansion bellows tube 3, a blowing fan 7 which is rotated by the blowing motor 8 is installed, and the blowing fan 7 is an exhaust port to which the communication 18 is connected to the upper side or the outer side. Blower case 19 provided with (17) is installed to be wrapped.

In addition, the expansion pipe (4) is installed inside the expansion bellows insertion tube (3), the upper portion of the expansion pipe (4) is fixedly installed on the inner bottom of the inner side of the expansion bellows insertion tube (3) and the lower end is blown The motor switch 9, the lamp switch 10 and the wire motor switch 16 are respectively installed on the front and fixedly installed on the upper portion of the suction hood 5 in which the filter is installed.

In addition, the upper and lower sides of the suction hood 5, the elevating guide pipe 6 which is upwardly penetrated to the lower part of the case 2 and is guided up and down is installed upward, and each of the elevating guide pipe 6 Locking holes 20 to prevent the elevating guide pipe 6 from escaping below the case 2 are respectively provided, and the elevating guide pipe 6 is inserted into the elevating guide tube 6 in the lower portion of the case 2 to move up and down. The guide hole 21 is provided in the guide hole 21 to guide and support the lifting and lowering of the lifting guide pipe 6.

In addition, an end of the wire 11 is fixed to the upper center portion of the suction hood 5 inside the expansion pipe 4, and a pulley 12 for guiding the wire 11 is provided at the upper center of the expansion pipe insertion tube 3. A wire motor 14 is provided on the outer side of the telescoping tube inserting tube 3 provided with a pulley 13 which winds and unwinds the wire 11.

In addition, each of the electric wires 15 connected to the blower motor 8 and the wire motor 14 to supply power pass through the inside of the lifting guide tube 6 and the blower motor switch installed in the suction hood 5. (9) and the wire motor switch (16), respectively, and one side of the elevating guide pipe (6) inside the case (2) is in contact with the locking hole 20 of the elevating guide pipe (6) Limit switches 23 and 24 are provided to recognize the maximum rising height (top dead center) and the maximum falling height (bottom dead center) of the suction hood 5 to stop the wire motor 14.

Reference numeral 26 in the reference numerals denotes a gas stove, “27” denotes a filter, and “28” denotes a wire hook portion which is fixed by hooking the end of the wire 11.

Referring to Figures 1 to 4 the working relationship of the present invention configured as described above is as follows.

When the sink hood for the sink according to the present invention is not used, the upper surface of the suction hood 5 is raised so as to be in close contact with the bottom surface of the case 2 so that the corrugated expansion tube 4 is vertically installed inside the case 2. When fully inserted into the inside of the expansion tube (3), since the expansion tube (4) that can accumulate dust is wrapped in a double in the case (2) and expansion tube insertion tube (3) of the expansion tube (4) Dust will not accumulate on the outside.

When the upper surface of the suction hood 5 is in close contact with the bottom surface of the case 2 so that dust does not accumulate in the expansion and contraction pipe 4, and when the stove hood 1 of the present invention is to be used, especially during cooking When a lot of smoke and odor are generated and the smoke and odor are to be discharged quickly, pressing the wire motor switch 16 located in front of the suction hood 5 causes the wire motor to be pressed by a signal for pressing the wire motor switch 16. As the 14 rotates, the pulley 13 installed on the upper side of the wire motor 14 also rotates while the wire 11 wound on the pulley 13 is released, and the wire 11 is released from the pulley 13. The suction hood 5 is lowered while the elastic wrinkle tube 4 is unfolded by the weight of the ground elastic wrinkle tube 4 and the suction hood 5 installed at the lower end of the elastic wrinkle tube 4.

As the above-mentioned stretched corrugated pipe 4 expands and the suction hood 5 descends, the lifting guide pipe 6 installed on the upper four sides of the suction hood 5 is provided with a catch hole 20 installed below the case 2. ) And slowly descends. When the suction hood 5 is lowered as described above, when the wire motor switch 16 is depressed, the wire motor 14 is stopped and the suction hood 5 is also stopped so that the user can lower the desired length. .

When the wire motor switch 16 is kept pressed, the suction hood 5 continues to descend, and when lowered by the bottom dead center position, the catch 20 of the tip of the elevating guide pipe 6 contacts the limit switch 23 so that the wire The power of the motor 14 is cut off and the lowering of the suction hood 5 is stopped.

When the user lowers the suction hood 5 to the desired position and rotates the blower fan 7, the smoke and odor generated from the lower side of the suction hood 5 by the suction force of the blower fan 7 are sucked by the suction hood 5. As it is sucked into the expansion pipe (4) and the blowing fan 7 and the blower case 19 of the exhaust port 17 and the communication 18 is discharged to the outside.

As described above, when using the range hood 1 to raise the suction hood 5, the wire motor switch 16 in which the wire motor 14 rotates in the opposite direction as when the suction hood 5 is lowered. Press (), the wire 11 is wound on the pulley 13 of the wire motor 14, the expansion and contraction tube (4) is folded and the length is shortened and at the same time the suction hood (5) is raised, as long as the user wants When the suction hood 5 is raised to the top dead center position, the catching hole 20 installed at the distal end of the elevating guide pipe 6 contacts the limit switch 24 which detects the top dead center position. (14) is stopped and accordingly the ascension of the suction hood 5 is stopped, in which case the upper surface of the suction hood 5 and the bottom of the case 2 are in close contact.

Although the wire motor switch 16 has been described as being pressed in order to reversely rotate the wire motor 14, it is noted that a remote controller can be used instead of pressing the wire motor switch 16.

As described above, the sink hood for the sink according to the present invention is provided with a telescoping tube inserting tube which can be wrapped around a telescoping corrugated tube formed in a corrugated tube, thereby raising the intake hood to the maximum, and the upper surface of the intake hood is placed on the bottom of the case. When it is in close contact with the expansion pipe and the case of the expansion pipe, the expansion pipe is effective in preventing dust from accumulating on the outer surface of the corrugated expansion pipe, and the four lifting guide pipe to guide the lifting and lowering of the suction hood By minimizing the shaking of the suction hood, it prevents noise and minimizes the occurrence of dust, which is hygienic and improves the reliability of the product. The wires that make the stretch pipe and the suction hood move up and down the pulley by the wire motor Automatic winding and unwinding make it easy to use the range hood. Which it would have beneficial effects.

Claims (1)

Blowing motor switch (4) is installed below the blowing fan (7) of the stove hood (1) installed above the gas table of the sink, and the blowing motor switch (8) is driven at the lower end of the expanding wrinkle tube (4) ( 9) and a suction hood (5) having a lamp switch (10) installed and a filter installed therein, and a wire for lifting and lowering the suction hood (5) between the bottom of the blower fan (7) and the suction hood (5). In the sink hood for sink 11 is guided by the pulley 12, A circular hole is formed below the case 2 of the range hood 1, and an inside of the case 2 is provided with a cylindrical corrugated pipe insertion tube 3 vertically installed therein. A blowing fan 7 which is rotated by the blowing motor 8 is installed at an upper portion thereof, and an upper portion of the stretching tube 4 is fixedly installed at an inner upper bottom surface of the expandable wrinkle tube insertion tube 3, and the expandable wrinkle tube 4 is installed. A lowering guide pipe (6) which is guided upward and downward through the upper part of the suction hood (5) provided with the lower end of the case (2) is installed upward, A wire motor 14 provided with a pulley 13 for winding the wire 11 is installed on an outer side of the telescoping tube insertion tube 3, and an electric wire 15 of the blower motor 8 and the wire motor 14 is provided. ) Is a sink hood for the sink, characterized in that it is connected to the blowing motor switch 9 and the wire motor switch 16 installed in the suction hood (5) passing through the elevating guide pipe (6).