JP3116033U - Escalator vacuum cleaner suction head - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a suction head for a vacuum cleaner which can be effectively applied to cleaning of a step surface and a riser surface of an escalator, having a simple mechanism, inexpensively obtained, versatile, small and light, and having a small burden on an operator. I will provide a.
A suction head (1) includes a case (2) and a joint pipe (3). The case 2 includes a substantially rectangular top plate 4 and side walls 5. The joint pipe 3 is connected to the cleaner body. The case 2 has first and second brush rows 7 and 8 along the front and rear side walls. The brush row 7 extends forward from the side wall 5a in a diagonally downward direction, and when pressed against the front of the step surface S, the tip reaches the vicinity of a narrow joint with the riser surface R. Also, when the head 1 is pressed below the riser surface R with the brush row 7 facing downward, the tip of the brush 7 similarly reaches the vicinity of the narrow joint. The brush row 8 is shorter than the brush row 7 and extends downward substantially perpendicular to the top plate.
[Selection] Figure 3

Description

  The present invention relates to a suction head for a vacuum cleaner for cleaning a step surface and a riser surface of a step of an escalator.

The steps of the escalator have a horizontal step surface on which a person rides and a riser surface that rises with a slight inclination from the vertical to the lower side with respect to the step surface. A large number of cleat grooves are formed in parallel on the step surface and the riser surface. 2. Description of the Related Art Conventionally, an escalator cleaning device that sucks dust in a cleat groove while brushing the step surface of such an escalator is known as disclosed in Patent Document 1. The cleaning device includes a cover that covers a partial region of the step surface in which cleat grooves are formed in parallel, a rotating brush that is disposed in the cover and is driven to rotate so as to contact the step surface, and a step by the rotating brush. It is equipped with an air suction system that sucks dust that has been peeled off from the surface together with the air in the cover into the dust collecting part in the main body of the apparatus. The rotating brush is disposed on the rotating shaft and the rotating shaft. A plurality of ring-shaped brush bristle groups and a guide member that fits into the cleat groove and is movable along the cleat groove, and each ring-shaped brush bristle group is defined by other fittings between the guide member and the cleat groove. It is disposed at a position where it fits into the cleat groove.
JP 2002-46971 A

The conventional escalator cleaning device has a rotating brush that is disposed in a cover and is driven to rotate. Therefore, the mechanism is relatively complicated and expensive, and a universal power supply is available to obtain a driving power source. It cannot be used unless it is set with the main body of the apparatus having a dedicated air suction system. Furthermore, there is a drawback that the burden on the operator is increased due to the relatively large size and heavy weight. In addition, it is difficult to apply to cleaning the riser surface in the escalator step.
Therefore, this device has a relatively simple mechanism, can be obtained at a low cost, has versatility, can be easily applied to an apparatus body that does not have a dedicated air suction system, and is relatively small and light. Another object of the present invention is to provide a suction head for an escalator cleaner that can be effectively applied not only to the step surface of the escalator step but also to the cleaning of the riser surface.

  In the present invention, in order to solve the above-described problem, in the suction head 1 of the escalator cleaner including the case 2 and the joint pipe 3, the case 2 includes a substantially rectangular top plate 4 and a peripheral portion of the top plate. A side wall 5 protruding downward is provided, and a suction opening 6 opened downward is provided. The joint pipe 3 is provided at the upper part of the case so as to pass through the top plate of the case 2 and communicate with the inside and outside of the case 2 so that it can be connected to the cleaner body. When the case 2 presses the suction head 1 against the step surface S or the riser surface R, the first and second brush rows 7 along the front and rear side walls 5a and 5b arranged in the direction orthogonal to the cleat groove C are provided. , 8. The first brush row 7 extends forward from the front side wall 5a in a diagonally downward direction, and when the head 1 is pressed forward of the step surface S with the brush row 7 facing forward, the brush row 7 is When the head 1 is pressed downwardly below the riser surface R, the required length of bristle that reaches the tip near the narrow joint between the step surface S and the riser surface R is given. The second brush row 8 is shorter than the first brush row 7 and extends downward substantially perpendicular to the top plate.

First, in this device, since the first brush row 7 along the front side wall 5a of the case 2 extends obliquely forward and downward from the side wall 5a, the step surface S of the escalator is used during use. Then, the brush enters the narrow space near the joint between the riser surface R and the brush. Therefore, in cleaning the step surface S, the head 1 is operated so as to be drawn toward the front side of the operator from the front end of the step surface S, and in cleaning the riser surface R, the first brush row is directed downward. By operating the head 1 so as to slide upward along the riser surface R, dust in the cleat groove C in the vicinity of the joint between the step surface S and the riser surface R can be effectively scraped and sucked. It has the effect of being able to.
Secondly, if the first brush row 7 is extended obliquely forward and downward at an angle of 100 ° to 120 ° with respect to the top plate surface, the head against both parts of the step surface S and the riser surface R 1 can be pressed without difficulty, and the brush row 7 can surely enter the vicinity of the joint between the step surface S and the riser surface R, so that the cleaning operation can be carried out efficiently.
Third, the first and second brush rows 7 and 8 are composed of a plurality of rows of brush bundles 7a and 8a planted at mutual intervals corresponding to the mutual intervals of the cleat grooves C of the escalator to be cleaned. For example, each brush bundle can enter each cleat groove C reasonably and satisfactorily, and the dust in the cleat groove C can be effectively scraped and sucked.
Fourthly, the first and second brush rows 7 and 8 are attached to the lower surface of the top plate 4 via a single brush frame 9 made of synthetic resin, and the brush frame 9 is attached to the side wall 5 of the case 2. If it is constituted by an annular body along the inner side and the brush can be exchanged, it is easy to cope with a case where the brush is heavily consumed.
Fifth, each of the brush bundles 7a and 8a constituting the first and second brush rows 7 and 8 is bound by a series of metal wires 10 and fixed to the brush frame 9, and the metal wires 10 are electrically connected. If a conductive chain 11 is attached so as to be electrically connected to the chain, and the chain 11 is configured to come into contact with the step during cleaning, charging to the brush is prevented, and adverse effects on peripheral devices due to discharge are avoided in advance. can do.
Sixth, a series of metal wires 10 for bundling a large number of brush bundles 7a and 8a are exposed on the upper part of the brush frame 9, and the ring along the brush frame 9 so that the lower surface is in contact with the exposed portion of the metal wire 10 The conductive plate 12 is interposed between the brush frame 9 and the top plate 4, and the chain 11 is bent between opposite sides of the brush frame 9 so as to be electrically connected to the conductive plate 12 at both ends. If the intermediate part of the chain 11 that is passed and is bent is brought into contact with the step during cleaning, charging of the brush can be prevented more reliably, and the chain 11 does not become an obstacle to the cleaning work.
Seventh, along the side wall 5 of the case 2, a skirt 13 made of a thin sheet material such as a flexible rubber extending downward is provided so as to surround the upper part of the outside of the brush rows 7, 8. If the lower end of the skirt 13 is in contact with the step surface S or the riser surface R, and the tip end side of the brush extending downward from the lower end of the skirt 13 is configured to enter each cleat groove C, the case 2 passes through the brush. The flow of air sucked into the inside can be restricted and a good suction force can be maintained.
Eighth, if the case 2 is formed of a molded member made of a metal plate and the synthetic resin strip 14 is fixed to the outer periphery of the side wall 5, the weight of the head 1 can be easily reduced. When cleaning S, the portion of the band plate 14 on the front side can be slid onto the riser surface R on the upper stage, and when cleaning the riser surface R, the portion of the band plate 14 is slid on the step surface S. It can be moved and used lightly, and such use also has the effect of protecting the case 2 from damage.

  An embodiment of the present invention will be described with reference to the drawings. 1 is an exploded perspective view of the suction head of the present invention, FIG. 2 is a perspective view of the suction head of the present invention, FIG. 3 is a sectional view of the suction head of the present invention, and FIG. FIG. 5 and FIG. 5 are explanatory views showing the usage state of the suction head of the present invention.

The head 1 is for sucking and cleaning the step S surface or the riser surface R in the escalator having many parallel cleat grooves C on the step surface S and the riser surface R of the step shown in FIG. 3. The case 2 can be formed of a molded member of a light and thin metal plate material such as aluminum, and has a substantially rectangular top plate 4 and a side wall 5 protruding downward from the peripheral edge of the top plate, and is opened downward. A suction opening 6 is provided.
The joint pipe 3 is provided in the upper part of the case 2 so as to penetrate the top plate 4 of the case 2 and communicate with the inside and outside of the case 2, and can be connected to a suction pipe of a cleaner body (not shown).
When the suction head 1 is pressed against the step S surface or the riser surface R, the case 2 extends downward along the front and rear side walls 5a arranged in a direction orthogonal to the cleat groove C at a predetermined angle. First and second brush rows 7 and 8 are provided.
The brushes of the first brush row 7 along the front side wall 5a extend forward and beyond the side wall 5a in a diagonally downward direction, and the brush row 7 is directed forward as shown in FIG. When the head 1 is pressed in front of the step surface S, it has a required length of bristle where the tip reaches near the narrow joint between the step surface S and the riser surface R. As shown in FIG. 5 (b), the brush row 7 also has a step surface S and a riser surface R when the head 1 is pressed below the riser surface R with the brush row 7 facing downward. It is set to a dimension that reaches the vicinity of a narrow joint. The inclination angle θ of the first brush row 7 is set to 100 ° to 120 °, preferably 110 ° with respect to the top plate surface. By this angle, the head 1 is pressed against both the step surface S and the riser surface R without difficulty, and the first brush row 7 is surely entered near the joint between the step surface S and the riser surface R, The cleaning operation can be carried out efficiently.
The second brush row 8 along the rear side wall 5 b has a shorter extension length than the first brush row 7 and extends downward substantially perpendicular to the top plate 4.
Each of the first and second brush rows 7 and 8 is composed of a plurality of rows of brush bundles 7a and 8a planted at mutual intervals corresponding to the mutual intervals of the cleat grooves C of the escalator to be cleaned. Thereby, each brush bundle 7a, 8a can enter each cleat groove C reasonably and satisfactorily, and can effectively scrape and suck the dust in the cleat groove.
In the illustrated embodiment, the first and second brush rows 7 and 8 are attached to the lower surface of the top plate 4 via a single brush frame 9 made of synthetic resin. The brush frame 9 is a rectangular annular body made of synthetic resin along the inside of the side wall 5 of the case 2. In this case, both the brush frame 9 and the brush can be attached to and detached from the case 2 and can be exchanged.
As shown in FIG. 4, each of the many brush bundles 7 a and 8 a constituting the brush rows 7 and 8 is bound by a series of metal wires 10 and fixed to the brush frame 9. A conductive chain 11 is attached so as to be electrically connected to the metal wire 10. The chain 11 contacts the step during cleaning to prevent charging of the brush. That is, a series of metal wire rods 10 for binding a large number of brush bundles 7a and 8a are exposed at the upper part of the brush frame 9, and the lower surface is in contact with the exposed portion of the metal wire rod 10, and the ring shape along the brush frame 9 A conductive plate 12 is interposed between the brush frame 9 and the top plate 4, and the chain 11 is bent between the opposite sides of the brush frame 9 so as to be electrically connected to the conductive plate 12 at both ends. It is. During cleaning, the bent middle portion of the chain 11 contacts the step. Thereby, charging to the brushes 7 and 8 can be prevented more reliably, and the chain 11 does not become an obstacle to the cleaning operation.
A skirt 13 made of a flexible thin plate material extending downward is provided along the side wall 5 of the case 2 so as to surround the upper portion of the outside of the brush rows 7 and 8. In use, the lower end of the skirt 13 is in contact with the step S surface or the riser surface R, and the tip ends of the brush rows 7 and 8 extending downward from the lower end of the skirt 13 are configured to enter the cleat grooves C. The Thereby, the flow of the air sucked into the case 1 through the brushes 7 and 8 can be limited, and a good suction force can be maintained. Further, a strip 14 made of synthetic resin such as vinyl chloride having a low frictional resistance is overlapped and fixed to the skirt 13 on the outer periphery of the side wall 5. When cleaning the step surface S, the front strip 14 can be slid onto the upper riser surface R, and when cleaning the riser surface R, the strip 14 is slid over the step surface S. Thus, the case can be used lightly and the case can be protected from damage even by such use.

  As shown in FIG. 5, when the suction head 1 is used, the brushes 7 and 8 enter the narrow space near the joint portion between the step surface S and the riser surface R of the escalator well. When cleaning the step surface, the head 1 is operated so as to be pulled toward the front side of the operator from the front end of the step surface S, and when cleaning the riser surface R, the head 1 is moved with the first brush row 7 facing downward. By operating so as to slide upward along the riser surface R, dust in the cleat groove C near the joint between the step surface S and the riser surface R can be effectively scraped and sucked.

  This device is used as a suction head attached to the tip of a suction pipe of a vacuum cleaner that cleans the steps of an escalator.

It is a disassembled perspective view of the suction head of the present invention. It is a perspective view of the suction head of the present invention. It is sectional drawing of the suction head of this invention. It is sectional drawing of the brush part in the suction head of this invention. It is explanatory drawing which shows the use condition of the suction head of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Suction head 2 Case 3 Joint pipe 4 Top plate 5 Side plate 5a Front side plate 5b Rear side plate 6 Opening 7 1st brush row 7a Brush bundle 8 Second brush row 8a Brush bundle 9 Brush frame 10 Metal wire 11 Chain 12 Conductive plate 13 Skirt 14 Band plate

Claims (8)

A head for sucking and cleaning a step surface or a riser surface in an escalator having a number of parallel cleat grooves on a step surface and a riser surface of a step, comprising a case and a joint pipe,
The case has a substantially rectangular top plate and a side wall protruding downward from the peripheral edge of the top plate, and includes a suction opening opened downward,
The joint pipe is provided at the upper part of the case so as to pass through the top plate of the case and communicate with the inside and outside of the case, and can be connected to the cleaner body.
When the suction head is pressed against the step surface or the riser surface, the case extends downward at a predetermined angle along the front and rear side walls arranged in a direction orthogonal to the cleat groove and enters each cleat groove. And further comprising first and second brush rows planted in rows,
The first brush row extending along the front side wall extends obliquely forward and beyond the front side wall, and the head is pressed forward of the step surface with the first brush row facing forward. And when the head is pressed below the riser surface with the first brush row facing downward, the hair has a required length that reaches the tip near the narrow joint between the step surface and the riser surface. And
The second brush row along the rear side wall has a shorter extension length than the first brush row and extends downward substantially perpendicularly to the top plate. Vacuum cleaner suction head.   2. The suction head of the escalator cleaner according to claim 1, wherein the first brush row extends obliquely forward and downward at an angle of 100 ° to 120 ° with respect to the top plate surface.   The first and second brush rows are composed of a plurality of brush bundle rows planted at mutual intervals corresponding to the mutual intervals of the escalator cleat grooves to be cleaned. The suction head of the cleaner for escalators according to claim 1, wherein the suction head is configured to enter.   The first and second brush rows are attached to the lower surface of the top plate via a single synthetic resin brush frame, and this brush frame is annular along the inside of the front, rear, left and right side walls of the case. The suction head of the escalator cleaner according to claim 1, wherein the body can be replaced with a brush.   The first and second brush rows are constituted by a large number of brush bundles, and each of the brush bundles is bound by a series of metal wires and fixed to the brush frame, and is electrically connected to the metal wires. 2. The suction head of an escalator cleaner according to claim 1, wherein a conductive chain is attached as described above, and the chain contacts a step during cleaning to prevent charging of the brush.   A series of metal wires for bundling the plurality of brush bundles are exposed at the upper part of the brush frame, and an annular conductive plate along the brush frame is formed between the brush frame and the brush frame so that the lower surface is in contact with the exposed part of the metal wire. The chain is interposed between the opposite sides of the brush frame so that the chain is electrically connected to the conductive plate at both ends. The suction head of the escalator cleaner according to claim 5, wherein the brush is prevented from being charged by contacting the step.   A skirt made of a flexible thin plate material is provided so as to surround the upper part of the outer side of the brush row along the front, rear, left and right side walls of the case. The escalator according to any one of claims 1 to 6, wherein a tip end side of the brush that is in contact with a riser surface and extends downward from a lower end of the skirt is configured to enter each of the cleat grooves. Vacuum cleaner suction head.   The escalator cleaner according to any one of claims 1 to 6, wherein the case is formed of a molded member of a metal plate material, and a synthetic resin band plate is fixed to the outer periphery of the front, rear, left and right side walls. Suction head.

Images