JP2000102697A - Lift device for clothes drying pole - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lift device for clothes drying poles that is convenient specially to elderly and impaired people by automatically and optionally changing height of the clothes drying poles. SOLUTION: A lift device for clothes drying poles is constituted by a left and a right pillars 1, 2, a hollow lateral bar 3 that connects the two pillars at top ends, a power resource 5 arranged in the lateral pole, sliders 20 that rise and fall along each pillars, power transmitting means 11, 17 that lift or lower the sliders by a power, pole keepers 24 that are connected to the slider and are arranged in outer side of each pillars, and an operation part 25 and a control means arranged in one of the pillars for driving and controlling the power resource 5.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hanging pole elevating device capable of changing the height of a hanging pole.

[0002]

2. Description of the Related Art Conventionally, a clothes-drying device capable of changing the height of a clothes-drying pole has a pole support fixedly attached to a plurality of positions at an upper end portion of left and right columns and a middle portion in a height direction. .

[0003]

As described above, since the rod support is mounted at a fixed height, the height can be changed by moving the rod from the lower rod support to the upper rod support. It is difficult to move to a particularly high position when the rod needs to be moved to the opposite side or vice versa, and when the rod is covered with a lot of dry material such as wet laundry or futon. . Especially for people with poor physical strength, such as the elderly and the disabled, want to move the dried object on a rod in a low position and in a comfortable position, and move it to a well-ventilated high position that is not harmful to dogs and cats, but lose balance when moving. There is a problem that it is easy to cause damage to the body.

SUMMARY OF THE INVENTION The present invention has been made in view of the above points, and has as its object to automatically and arbitrarily change the height of a clothesline. An object of the present invention is to provide a clothesline elevating device.

[0005]

In order to solve the above-mentioned problems, a clothesline elevating device according to the present invention comprises a left and right hollow column, a hollow horizontal frame bridging and connecting upper ends of both columns, and A power source provided in a frame, a slider provided so as to be able to move up and down along each of the columns, a transmission means for raising and lowering the slider by the power of the power source, and a power source provided outside each of the columns, It is characterized by comprising a rod support connected to both sliders, and a control unit provided on one of the columns to drive and control the power source. With the above configuration, when the power source is driven via the control unit, the rod supports of both columns move upward or downward along the columns. Stop. Therefore, a clothesline can be hung on the rod support, and the object to be dried can be moved to either a high position or a low position by operating the control unit.

A reversible motor is used as a power source. The transmission means has one end connected to the rotation shaft of the motor, and a transmission shaft extending in the horizontal frame to the upper ends of the two columns. A rotation direction conversion mechanism that converts the rotation into a rotation about an axis perpendicular to the axial direction of the horizontal frame, a ring body coupled to a driven element of the rotation direction conversion mechanism, and a rotatably provided lower part of each support. It can be constituted by a wheel body and an endless interlocking member wound between the upper and lower wheel bodies and partially connected to the slider. With the above configuration, by rotating the reversible motor forward or reverse through the control unit, the upper and lower wheels,
The rod support moves upward or downward via the endless interlocking member and the slider.

The rotation direction changing mechanism comprises a worm gear fixed to the transmission shaft at the upper ends of the two columns, and a worm wheel rotatably provided at the upper ends of the two columns and meshed with the worm gear. A structure may be adopted in which a wheel body is fixed to the worm wheel.
According to the above configuration, the rotation direction can be reliably converted by the small and robust structure, and the rod can be stably moved up and down.

[0008] It is desirable to fix the ring to the transmission shaft and wind the upper part of the cord for manual rotation around the ring to take measures against power failure. With the above configuration, the height of the clothespin can be changed by manual operation during a power outage.

The slider is rotatably accommodated in a hollow portion of a column having a C-shaped cross section which is open at the opposing surfaces of both columns, and is rotatably provided with a roller abutting on the inner surface of the four corners of the column. It is desirable that the rod support is fixed to a portion protruding from the rod. According to the above configuration, since the slider moves up and down smoothly, an inexpensive power source can be used as the power source, and the manual operation can be performed lightly.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a partially omitted front view of an embodiment of the present invention, FIG.
FIG. 4 is an enlarged sectional view taken along line AA of FIG. 1, and FIG.
5 is a longitudinal sectional view at the upper end of the left column in FIG. 1, FIG. 6 is an enlarged sectional view taken along the line CC in FIG. 1, FIG. 7 is a side view of the rod support, 8 is a front view of the rod support.

As shown in FIG. 1, the clothes-line elevating device according to the present invention comprises left and right columns 1, 2 which are assembled in a substantially gate-shaped manner.
And a horizontal frame 3. The columns 1 and 2 have the same length, and are formed of a hollow metal member having a square C-shaped cross section as shown for the column 1 on the right side in FIG. The openings 1a and 2a facing each other are connected to the horizontal frame 3 at right angles as described later. Blocks 4a, 4b,
4b is tightly fitted and fixed by screws (not shown) screwed from the outside of the columns 1 and 2.

The horizontal frame 3 is formed of a metal hollow material having a square C-shaped or U-shaped cross section, and has an opening 3a facing the lower surface.
The distance between the inner surfaces of the front wall 3b and the rear wall 3c of the horizontal frame 3 is set to be substantially equal to the distance between the outer surfaces of the front wall 1b and the rear wall 1c of the column 1. In the vicinity of the right end and the left end of the horizontal frame 3, when the cross-sectional shape of the horizontal frame is a square C-shaped cross-section, the lower surface wall is formed in the longitudinal direction of the horizontal frame 3 with the opening side wall 1 d of the columns 1 and 2. When the cross section of the horizontal frame is a square U-shape in cross section, cut off over a distance equal to the distance of the side wall 1e, and in the vicinity of the right end and the left end of the horizontal frame 3, each of the columns 1 , 2 are inserted, and screws n
1 is screwed into the blocks 4a, 4b at the upper end of each column, whereby the columns 1, 2 and the horizontal frame 3 are connected.

A reversible motor 5 is provided as a power source in a portion of the horizontal frame 3 which protrudes further to the right than the right support 1. The method of mounting the motor 5 in the horizontal frame is arbitrary.
Is fixed to the outside of a mounting member 6 formed by cutting the same hollow member into short pieces by screws or the like (not shown), and the mounting member 6 is inserted from one end of one end of the horizontal frame 3, and the front wall 3 of the horizontal frame 3 is inserted.
The fixing member 6 is fixed by screwing a screw (not shown) from the b and the rear wall 3 c to the mounting member 6, and is finally closed by a small cap 7. Also, an opening 3a at the bottom of the horizontal frame 3
Is closed by a lower surface cover 8 to be press-fitted between the right support 1 and the right end of the horizontal frame 3 and between the two supports 1 and 2.

One end of the hollow portion of the horizontal frame 3 is connected to the rotating shaft 5a of the reversible motor, and penetrates the upper portion of the right column 1,
A transmission shaft 5b is provided, the other end of which extends through the left column 2 and extends to a position near the side wall of the column.
Then, at a position near the support 1 in the mounting member 6,
The wheel 9 is fixed to the transmission shaft 5b at its center. The cover 8 between the right column 1 and the end of the horizontal frame 3 closes the lower surface of the right half of the mounting member 6, leaving a part of the opening 3a in the remaining left half.

The endless operation interlocking member 1 is
0 is wound, and the endless interlocking member 10 is hung down through the remaining opening 3a. The wheel body 9 and the endless operation member 10 are configured by a wheel body having a large coefficient of friction, a string or a sprocket wheel having an upper end wound around the wheel body, and a chain having an upper part wound thereon. be able to. Reference numeral 9a denotes a ring body such as a pulley which is attached to the column 1 and has a lower end portion of the endless operation member 10 wound around for vibration damping.

A transmission shaft 5 is provided at the upper end of the two columns 1 and 2.
movement direction converting mechanism 1 for converting the rotational movement about the axis of b into a rotational movement about a horizontal axis perpendicular to the axis of the transmission shaft 5b.
1 is provided. An example of a specific structure of the movement direction conversion mechanism 11 will be described with respect to the right column shown in FIG. A worm gear 12 is coaxially fixed on the transmission shaft 5a at the upper end of the support column 1. In addition, prop 1
A mounting bracket 13 is fixed to the vicinity of the upper end of the inside by screwing or the like. The mounting bracket 13 stands upright from four sides of the rectangular bottom plate 13a, integrally has upright pieces 13b, 13c: 13d, 13e facing each other in the front, rear, left and right directions. Is fixed to the walls 1c and 1e of the column 1 by screws or the like. The transmission shaft 5b is provided with the left and right standing pieces 13.
d and 13e are rotatably penetrated. A single shaft 14 is rotatably supported by the front and rear standing pieces 13b and 13c, and a worm wheel 15 is fixed to the shaft. The worm wheel meshes with the worm gear 12. Further, a ring, for example, a pulley 16 is coupled to the shaft 14 coaxially with the worm wheel 15. Thus, when the transmission shaft 5b is rotated by the reversible motor 5, the rotation of the transmission shaft is converted into a rotation about an axis 14 perpendicular to the rotation axis. Since the movement direction changing mechanism 11 provided on the column 2 in FIG. 5 has the same structure as that provided on the column 1, the same members as those in FIG. .

The bottom plate 13a of the mounting bracket 13 has a hole 13
f, 13g, and the endless rotating member wound around the pulley 16, for example, the wire 17 has the holes 13f, 13g.
, And is extended inside the column 1, wound around a pulley 19 rotatably provided through a mounting member 18 in an intermediate portion in the height direction of the column, and stretched. Reference numeral 20 denotes a slider which is inserted into the hollow portion of the column 1 so as to be able to move up and down. The slider 20 is formed in a box shape, and a part of the wire 17 is coupled to rings 21a and 21b protruding from both upper and lower surfaces thereof. 17a is a spring for applying a pulling force to keep the wire 17 in a tensioned state at all times. A support plate 23 to which rollers 22a and 22b are rotatably mounted is fixed to both front and rear sides of the slider 20 at both left and right ends, and the peripheral surfaces of the four rollers are formed within four corners of the hollow portion of the support column 1. Since it is in contact with the side surface, it is guided so as to be able to move up and down easily at a predetermined position in a stable state.

A part of the slider 20 has an opening 1 of the column 1.
The rod support 24 is fixed to the projecting portion 20a and slightly protrudes outward from the rod support a. As shown in FIGS. 6 and 7, the rod support 24 has a support member 24a formed of a metal plate having an inverted U-shaped cross section in order to provide a required strength, and a rod fixed to the upper surface of the support member by welding or the like. Receiving member 24b
It consists of The rod receiving member 24b is formed by bending a steel bar, and has a plurality of rod receiving concave portions 24c. Then, the support member 24a is fixed to the slider 20 at a central portion thereof in a horizontal state.
The column can be moved up and down slightly away from the opening side wall 1d. The structure and shape of the rod support 24 are arbitrary.

A pulley similar to the pulley 19 is also provided in the middle of the left support column 2, and a slider similar to the slider 20 is connected to a wire 17 laid between the upper and lower pulleys. A rod support similar to the rod support 24 is fixed to the slider, but is not shown. The installation height of the lower pulley 19 is generally set on a clothesline (not shown) hung between left and right pole supports 24 fixed to the slider when the slider is at the lower limit position. The height at which an elderly or handicapped person can easily hang or remove the object to be dried without difficulty, or if the object to be dried does not touch the ground when hanging or removing the object to be dried on the clothesline Height.

An operation section 25 having an up switch and a down switch is provided at a position where the right or left support (the right support in the illustrated example) is easily operated. The operation unit is provided with a rainproof measure by a cover or the like. A control circuit (not shown) for rotating the motor 5 in a predetermined direction based on the operation of a switch is provided on the rear surface of the operation unit 25. A remote controller may be used instead of or in combination with the manual operation of the operation unit 25.

In FIGS. 6 and 4, reference numeral 26 denotes a closing member provided for closing the opening 1a of the column 1.
The upper end of the blocking member 26 is, for example, formed on the bottom plate 13a of the mounting member 13 by the L-shaped mounting member 27, and the lower end is formed in the same manner. It is fixed to a mounting member (not shown). The left support column 2 is provided with a similar shielding member. Due to the presence of such a blocking member, the opening 1a of the support column 1 is always closed regardless of whether the slider 20 is moved up or down, so that mischief or injury to the slider or wire by an infant or the like can be prevented. Can be.

With the above configuration, when using the clothes-line lifting device according to the present invention, as shown in FIG.
When the rod support 24 is in the upper position, the operation unit 25
(Or a remote controller) to drive the motor 5 to lower the rod support 24 through the rotation direction changing mechanism 11, the wire 17 and the slider 20 of the two columns 1 and 2 to a height at which work can be easily performed; A clothes-line (not shown) is suspended on both pole supports 24, and the object to be dried is hung on the clothes-line. After that, the operation unit 25 is operated again to reverse the motor 5, and the rod support 24 and the clothesline are moved to an arbitrary position via the rotation direction changing mechanism 11, the wire 17 and the slider 20 of the both columns 1, 2. At most, it can be raised to the upper limit position shown in FIG. The rod support 2
Sensors (not shown) are provided for detecting the descent to the lower limit position and the ascent to the upper limit position (not shown), and the control unit rotates the motor based on the detection signal from each sensor. To stop. Until the sensor operates, when the operation of the operation unit is stopped, the rotational drive of the motor is stopped.

If a power failure occurs, the rod support 24 can be moved to an arbitrary position by operating the operation cord 10.

[0024]

As described above, according to the present invention, the rod support can be raised and lowered simply by operating the operating section, so that the object to be dried can be mounted or removed in an easy posture. In particular, the elderly and handicapped can carry out the laundry without worrying about physical strength, fatigue, or obstacles to the body.

[Brief description of the drawings]

FIG. 1 is a partially omitted front view of an embodiment of the present invention.

FIG. 2 is a right side view of the same.

FIG. 3 is an enlarged sectional view taken along line AA of FIG. 1;

FIG. 4 is a sectional view taken along line BB of FIG. 3;

FIG. 5 is a vertical cross-sectional view of an upper end portion of a left support column in FIG. 1;

FIG. 6 is an enlarged cross section taken along line CC of FIG. 1;

FIG. 7 is a side view of the rod support.

FIG. 8 is a front view of the rod support.

[Explanation of symbols]

 Reference numerals 1 and 2 3 Support frame 5 Reversible motor (power source) 9 Pulley 10 Operation string 11 Rotation direction conversion mechanism 12 Worm gear 15 Worm wheel 16 Pulley 17 Wire 19 Pulley 20 Slider 24 Rod support 25 Operation part

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Osamu Wakuri 2-7-23 Kiba, Koto-ku, Tokyo Inside Nippon Nikko Corporation (72) Inventor Tetsuo Umeda 2-23-23 Kiba, Koto-ku, Tokyo Within (72) Inventor Takashi Itsubo 2-7-23 Kiba, Koto-ku, Tokyo Inside Nikkei Corporation (72) Inventor Kenji 2-7-23 Kiba, Koto-ku, Tokyo New Nikkei Corporation

Claims (5)

[Claims] 1. A left and right hollow column, a hollow horizontal frame bridging the upper ends of both columns, a power source provided in the horizontal frame, and a vertically movable column along each column. A transmission means for raising and lowering the slider by the power of the power source; a rod support provided outside each of the columns and coupled to the two sliders; and a rod support provided on any of the columns. And a controller for driving and controlling the power source. 2. A reversible motor is used as a power source. The transmission means has one end coupled to a rotation shaft of the motor, and a transmission shaft extending in a horizontal frame to upper ends of both columns, and a rotation of the transmission shaft. A rotation direction conversion mechanism that converts the movement into a rotation about an axis perpendicular to the axial direction of the horizontal frame, a ring body coupled to a driven element of the rotation direction conversion mechanism, and a rotatable lower part of each column. The apparatus according to claim 1, wherein the apparatus comprises a ring provided and an endless interlocking member which is wound between the upper and lower rings and a part of which is connected to the slider. 3. A rotation direction changing mechanism includes a worm gear fixed to a transmission shaft at upper ends of both columns, and a worm wheel rotatably provided at upper ends of both columns and meshed with the worm gear. A hanging pole elevating device according to claim 2, wherein a wheel body is fixed to the worm wheel. 4. A clothesline according to claim 2, wherein a loop is fixed to the transmission shaft, and an upper portion of a manual rotation string is wound around the loop to take measures against power failure. lift device. 5. A slider which is rotatably accommodated in a hollow portion of a column having a C-shaped cross section and which is open at opposing surfaces of both columns, and which rotatably includes a roller abutting on inner surfaces of four corners of the column. The apparatus according to claim 1, 2, 3, or 4, wherein a rod support is fixed to a portion protruding from the outside.