JPH0670868A - Suction implement for vacuum cleaner - Google Patents

Abstract

PURPOSE:To provide the suction implement for a vacuum cleaner having a spinning shape of rotary napped cloth, which prevents the surface to be cleaned from being flawed, and also, collects dust on the surface to be cleaned in the center of a suction port and can suck and eliminate it efficiently. CONSTITUTION:In a suction port 14, rotary napped cloth 18 in which cut pile- like napped cloth is formed like a wide belt is constituted so as to be freely rotated by a main driving drum 20 and a driven drum 21 provided inside, and also, a position relation of a contact surfact between the rotary napped cloth 18 and the surface to be cleaned is set so that the front part becomes the upper part than the rear part with respect to the forward moving direction, a feed dog 25 parts of the main driving drum 20 and the driven drum 21 are constituted of an elastic material, a spring material 26 energizing a bearing member 22 in the direction of the surface to be cleaned is provided, and moreover, extra fine fibers are spun and manufactured in an inverted truncated cheveon shape so that dust is collected in the center part with respect to the rotational advance direction of the rotary napped cloth 18.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a suction device for an electric vacuum cleaner which wipes the surface of wooden floors, plastic floors, tatami mats and the like.

[0002]

2. Description of the Related Art A conventional suction device of this type has been disclosed in, for example, Japanese Patent Laid-Open No.
As shown in Japanese Unexamined Patent Publication No. 114714, the structure is as shown in FIG. 6, and a bank-shaped mounting seat 3 is formed on the outer peripheral portion of a lower suction tool 2 having a suction port 1 for sucking dust and the like. The seat 3 has a raised cloth 4 made of a cut pile spun cloth.
Was provided.

[0003]

However, with such a structure, when cleaning the wooden floor and the tatami mat, the surface to be cleaned comes into contact with the raised cloth 4 to cause the surface to be cleaned and the lower part to be cleaned. Prevents damage caused by friction with the suction tool 2,
Besides, you can get a soft feeling at the time of cleaning work,
Since the raised cloth 4 is fixed to the lower suction tool 2 on the surface to be cleaned that is extremely dirty, unless the suction tool is reciprocated back and forth a lot, the wiping action is not effective and fatigue remains. The work efficiency was very poor.

The first object of the present invention is to solve the above problems and to obtain a suction tool capable of efficiently wiping, sweeping and polishing surfaces such as wooden floors, plastic flooring materials and tatami mats in a short time. Has an aim.

A second object of the present invention is to provide a suction tool which can efficiently carry out cleaning work without affecting the steps of the surface to be cleaned.

A third object of the present invention is to obtain a suction tool which can be efficiently carried out without affecting the cleaning work due to the unevenness of the surface to be cleaned.

A fourth object is to obtain a suction tool excellent in durability because a rotary raised cloth formed of a spun cloth of ultrafine fibers is brought into contact with a surface to be cleaned at a constant pressure.

A fifth object is to provide a spun shape of a rotary raised cloth which allows dust on the surface to be cleaned to be gathered to the center of the suction port and efficiently sucked and removed.

A sixth object is to provide an effective manufacturing and processing method for forming a raised cloth into a belt shape.

[0010]

In order to achieve the above-mentioned first object, the present invention provides a cut pile-shaped fiber spun with ultrafine fibers having a thickness of 0.1 mm or less in the suction port. A rotating nap cloth formed by forming a nap cloth into a wide belt
A driving drum and a driven drum disposed inside the rotary drum are configured to be rotatable, and a drive source for rotating the driving drum is internally provided.

In order to achieve the second object, the positional relationship in which the belt-shaped rotary raised cloth contacts the surface to be cleaned,
The front part is set above the rear part in the forward movement direction.

In order to achieve the third object, the feed tooth portions of the driving drum and the driven drum arranged inside the belt-shaped rotary raised cloth are made of an elastic material.

In order to achieve the fourth object, a spring member for urging toward a surface to be cleaned with respect to a bearing member for holding the rotation of a driving drum disposed inside and behind a belt-shaped rotary raised cloth is constructed. It was done.

In order to achieve the fifth object, an ultrafine fiber is spun and manufactured in an inverted V shape so that dust gathers in the central portion with respect to the rotational traveling direction of a belt-shaped rotary raised fabric.

In order to achieve the sixth object, the belt-shaped rotary raised cloth is partially spun into a base cloth portion and a portion where ultrafine fibers are spun, and the base cloth portion is cut and processed in the next step. The surface of the belt material is glued with an adhesive.

[0016]

In the suction port of the suction device of the present invention, a rotating nap cloth formed by forming a nap cloth using ultrafine fibers in the shape of a belt having a horizontal width is rotatably supported by a main drum and a driven drum. It has a built-in drive source to rotate the driving drum, and it has a soft elasticity to the surface to be cleaned and an extremely soft feel, which is similar to the effect of sweeping and scratches. In addition, it has a drive source inside that rotates the belt-shaped rotating brushed cloth regardless of the reciprocating movement of the suction tool, and it can wipe, sweep, and polish the surface to be cleaned. This allows efficient cleaning work in a short time on a terribly cleaned surface.

Further, the positional relationship in which the belt-like rotary raised cloth contacts the surface to be cleaned is set such that the front part is above the rear part with respect to the moving direction to the front. However, it is possible to ride up and move smoothly like the action of a caterpillar, and it is possible to perform cleaning work efficiently and without discomfort.

Further, the feed tooth portions of the driving drum and the driven drum arranged inside the belt-shaped rotating napped cloth are made of an elastic material, and press the napped cloth against the irregularities of the surface to be cleaned. Since the action is free and the followability of the rotating napped cloth is extremely good, uneven cleaning is eliminated and the cleaning work can be performed efficiently and cleanly.

Further, a spring member for urging the bearing member for holding the rotation of the driving drum disposed inside the belt-shaped rotary raised cloth in the rear direction is constituted. Since the cut pile-shaped rotary raised cloth made of spun cloth of ultrafine fibers makes contact with each other at a constant pressure, the frictional force becomes uniform regardless of the condition of the surface to be cleaned, so a suction tool with excellent durability is provided. Obtainable.

The belt-shaped rotary napped cloth is manufactured by spinning ultrafine fibers in an inverted C shape so that the dust gathers in the central portion with respect to the traveling direction of the belt, and the dust on the surface to be cleaned is sucked into the suction port. It is possible to provide a spun shape of a rotary napped cloth that can be efficiently sucked and removed by the action of gathering in the central portion.

Further, the manufacture of a belt-shaped rotary raised cloth,
Also in the processing method, the base fabric part and the part where the ultrafine fibers are spun are partially spun, and the base fabric part is cut, and the surface of the belt material is glued with an adhesive in the next step. , High quality and efficient manufacturing and processing.

[0022]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment will be described below with reference to the accompanying drawings. 1 to 3, reference numeral 10 denotes a suction tool body, which is obtained by connecting an upper suction tool 12 and a lower suction tool 13 via a bummer 11, and the suction inside of which is a lower opening. A mouth 14 is formed. This suction port 1
A suction passage 15 is formed at the center of the suction tool body 10.
To the upper suction tool 12 and the lower suction tool 13 at the rear of the communication pipe 16 which is sandwiched between the suction pipe 12 and the suction pipe, and the connection pipe 17 which is rotatably connected to the communication pipe 16 and is electrically connected to the connection pipe 17. An extension pipe is detachably connected to the suction side of the vacuum cleaner via a hose. Inside the suction port 14, there is provided a rotary raised cloth 18 in which a cut pile raised cloth made of a spun cloth of ultrafine fibers is formed into a wide belt shape. A belt material 19 having a tooth profile for rotational movement is integrally formed. Inside the rotary raised cloth 18, a main driving drum 20 for rotationally driving and a driven drum 21 for holding rotation are provided. A driving member 20 is provided rotatably by bearing members 22 provided at both ends of the driving drum 20 and the driven drum 21, and 23 is a pulley size for rotatably driving the driving drum 20 and an end of the driving drum 20. It is provided in the section. The driving drum 20 and the driven drum 21
Has a rotating shaft 24 inside and the belt member 19 outside.
A feed dog 25 having a tooth profile that meshes with is integrally provided, and the feed tooth 25 is formed of an elastic material so that the rotary raised cloth 18 can easily follow the uneven state of the surface to be cleaned. ing. Further, the driving drum 20 and the driven drum 21 will be described. The rotation center of the driven drum 21 in front of the suction port 14 is located (A) above the surface to be cleaned with respect to the rotation center of the driving drum 20 behind the suction port 14. In other words, the driven drum 2 in contact with the surface to be cleaned
The lower outer peripheral surface of the rotary raised cloth located on the first side is set to the driving drum 2
It is set above the lower outer peripheral surface of the rotary raised cloth located on the 0 side.

Reference numeral 26 denotes a bearing member 22 for holding the rotation of the driving drum 20 so that a cut pile-shaped rotary raised cloth made of a spun cloth of ultrafine fibers is brought into contact with the surface to be cleaned at a constant pressure. The driving drum 20 is a spring member that is urged toward the surface to be cleaned. The driving drum 20 is vertically movable with respect to the surface to be cleaned. .

Numeral 28 is a motor which is a drive source for rotationally driving the driving drum 20, and a large pulley 2 from a small pulley 29 to a rotational force through a belt 30 which is a power transmission means.
It is transmitted to 3. Reference numeral 31 is a control circuit portion of the motor 28, and 32 is a power cord for supplying power. Reference numerals 33 and 34 denote wheels provided in front of and behind the suction tool body 10 so that the suction port 14 is located at a constant distance from the surface to be cleaned.

Next, the operation and action of this embodiment will be described. When cleaning the wooden floor, plastic flooring, tatami mat, etc. by connecting and fitting the connecting pipe 17 of the suction tool body 10 to the hose and extension tube (not shown) connected to the electric vacuum cleaner body, The rotary raised cloth 18 rotatably driven by the motor 28 comes into contact with the surface to be cleaned, and sliding is performed sequentially without being restricted by the cleaning operation. At this time, the contact with the surface to be cleaned is a cut pile spun cloth made of ultra-fine fibers, and the elasticity of the raised cloth is extremely soft. This is a drive source that can be eliminated and that rotates regardless of the reciprocating movement of the suction tool body 10. The cleaning source that is particularly dirty is capable of wiping, sweeping, and polishing the surface to be cleaned. The surface can be efficiently cleaned in a short time. Further, the positional relationship in which the belt-shaped rotary raised cloth 18 contacts the surface to be cleaned is set such that the front part is set higher than the rear part with respect to the moving direction to the front. Like the action of a caterpillar, it can be smoothly ridden and moved, so that it is possible to perform cleaning work efficiently and without discomfort.

Further, the feed drum 25 portion of the driving drum 20 and the driven drum 21 disposed inside the rotary raised cloth 18 is made of an elastic material, and the rotary raised cloth 18 against the irregularities of the surface to be cleaned. Since the action of pressing is freely possible and the follow-up of the rotary raised cloth 18 is extremely improved, uneven cleaning can be eliminated and the cleaning work can be performed efficiently and neatly.

Further, a spring member 26 for urging the bearing member 22 for holding the rotation of the driving drum 20 disposed inside the rotary raised cloth 18 toward the surface to be cleaned is constructed. On the other hand, since the cut pile-shaped rotary raised cloth 18 made of a spun cloth of ultrafine fibers is brought into contact with each other under a constant pressure, the frictional force is made uniform irrespective of the state of the surface to be cleaned, so that the suction tool has excellent durability. Is what you can get.

Next, a method for manufacturing and processing the rotary raised cloth 18 will be described. In FIGS. 4 to 5, the rotary raised cloth 18
Is composed of a base cloth 35 portion and a napped portion 36 in which ultrafine fibers are partially spun on the base cloth 35 and processed into a cut pile shape. The napped portion 36 is spun so as to be diagonally finished with a constant width (B). At the same time, the width of the center part (C) is 3
The raised portions 36 are formed on the left and right, and are formed in five parts so that the center portion is symmetrical and form one block. A plurality of this one block are collected and spun.
Further, the width (D) of the one block is the rotary nap 1
The width is set to be the same as the width of No. 8, the length is set to be the same as the entire length of the outer peripheral portion of the belt material 19, and the base cloth 35 is cut.

In the next step, a pair of processing jigs 37 used when the rotary raised cloth 18 is attached is prepared inside the belt material 19 to hold the belt material 19 in rotation. The adhesive is evenly applied on the upper surface, and the rotating nap cloth 18 is sequentially adhered. At this time, the belt material 19 is rotating at a low speed by the processing jig 37, and the rotating nap cloth 18 is pressed from the tip portion. While being bonded, tension (F) is applied to the terminal end to stabilize the work.

For this reason, an ultra-fine fiber is spun in an inverted V shape so that the dust gathers in the central portion in the direction of rotation of the belt-shaped rotary raised fabric 18, and the dust on the surface to be cleaned is removed. The spinning shape of the rotary napped cloth 18 that can be efficiently sucked and removed by the action of gathering in the central portion of the suction port 14 can be provided.

Further, also in the method of manufacturing and processing the belt-shaped rotary napped cloth 18, the base cloth 35 and the napped portion 36 spun with ultrafine fibers are partially spun, and the base cloth 35 is cut. At the same time, in the next step, the surface of the belt material 19 is glued with an adhesive, so that it is possible to efficiently manufacture and process with high quality at low cost.

[0032]

As is apparent from the above-described embodiments, according to the present invention, a rotating nap cloth formed by forming a nap cloth using ultrafine fibers in the shape of a lateral belt is arranged in the suction port. It is configured to rotate freely by the installed driving drum and driven drum, and the contact with the surface to be cleaned is such that the elasticity of the rotating napped cloth is extremely soft, and the soft touch gives the same effect as the garment sweeper. It has a drive source inside that can remove scratches and rotate regardless of the reciprocating movement of the suction tool body.By providing a wiping, sweeping, and polishing action on the surface to be cleaned, it is possible to obtain a particularly dirty surface. The cleaning work can be efficiently performed on the cleaning surface in a short time.

Further, according to the present invention, the positional relationship in which the belt-shaped rotary raised cloth contacts the surface to be cleaned is set such that the front part is above the rear part in the direction of forward movement. Even if it is a step, it can be smoothly ridden and moved like the action of a caterpillar, and the cleaning work can be performed efficiently and without discomfort.

Further, according to the present invention, the feed tooth portions of the driving drum and the driven drum arranged inside the rotary napped cloth are made of an elastic material, and the rotary napped cloth is formed against the irregularities of the surface to be cleaned. By allowing the pressing action to be freely performed and the followability of the rotating napped cloth to be extremely good, uneven cleaning can be eliminated and cleaning work can be performed efficiently and cleanly.

Further, according to the present invention, a spring member for urging the bearing member for holding the rotation of the driving drum, which is disposed in the rear of the rotary raised cloth, in the direction of the surface to be cleaned is constructed. On the other hand, the cut pile-shaped rotary raised cloth made of spun cloth of ultra-fine fibers makes contact with each other at a constant pressure, so that the friction force becomes uniform regardless of the state of the surface to be cleaned, so a suction tool with excellent durability is provided. Is what you can get.

Further, according to the present invention, an ultrafine fiber is spun in an inverted V shape so that dust is gathered in the central portion in the direction of rotation of a belt-shaped rotary raised cloth, and the dust on the surface to be cleaned is produced. It is possible to provide a spun shape of a rotary napped cloth that can be efficiently sucked and removed by the action of gathering the rubber in the central portion of the suction port.

Further, according to the present invention, also in the method of manufacturing and processing a belt-shaped rotary napped cloth, the base cloth portion and the napped portion formed by spinning the ultrafine fibers are partially spun, and the base cloth portion is cut and then cut. The surface of the belt material is adhered to the surface of the belt material with an adhesive in the process, and can be manufactured and processed efficiently with high quality at low cost.

[Brief description of drawings]

FIG. 1 is a sectional view of a suction tool showing a first embodiment of the present invention.

FIG. 2 is a plan view of the suction tool with an upper suction tool removed.

FIG. 3 is a sectional view of a portion showing a bearing member in the suction tool.

FIG. 4 is a plan view showing a spinning shape of a rotary raised cloth in the suction device.

FIG. 5 is a cross-sectional view showing a method for manufacturing and processing a rotary raised cloth in the suction tool.

FIG. 6 is a downward inclination view of a suction tool in a conventional example.

[Explanation of Codes] 10 Suction tool body 18 Rotating nap cloth 19 Belt material 20 Driving drum 21 Driven drum 22 Bearing member 25 Feed dog 26 Spring material 35 Base cloth 36 Raising part

Claims (6)

[Claims] 1. A rotary nap cloth, in which a cut pile nap cloth made of a fine fiber spun cloth is formed in a wide belt shape, is provided in a suction port for sucking dust and the like, and a driving drum and a driven member arranged inside the rotary nap cloth. A suction tool for an electric vacuum cleaner, which is configured to be rotatable by a drum and further has a drive source provided therein for rotating the driving drum. 2. The electric machine according to claim 1, wherein a lower outer peripheral surface of the rotary raised cloth located on the driven drum side is set higher than a lower outer peripheral surface of the rotary raised cloth located on the main drum side with respect to the surface to be cleaned. Vacuum cleaner suction tool. 3. The feed dog forming the driving drum and the driven drum is made of a material having elasticity from the shaft center.
The suction tool for the electric vacuum cleaner described in. 4. The suction tool for an electric vacuum cleaner according to claim 1, wherein a spring member is configured to urge the bearing member that holds the rotation of the driving drum toward the surface to be cleaned. 5. The electric fiber according to claim 1, wherein the ultrafine fibers are spun in an inverted V shape so that dust is gathered in the central portion in the direction in which the rotary raised cloth formed from the ultrafine fiber spun cloth is rotated. Vacuum cleaner suction tool. 6. The rotary napped cloth is partially spun into a base cloth portion and a portion spun with ultrafine fibers, and is cut with the base cloth portion and is attached to the surface of the belt material with an adhesive. Item 1. A suction tool for an electric vacuum cleaner according to item 1.