CN1827029A

CN1827029A - Hand operated sweeper

Info

Publication number: CN1827029A
Application number: CNA2006100515291A
Authority: CN
Inventors: R·斯克瑞明; G·拉格
Original assignee: EUREKA CORP
Current assignee: EUREKA CORP
Priority date: 2005-03-01
Filing date: 2006-02-27
Publication date: 2006-09-06
Also published as: EP1707679A1; ITPD20050011U1; US20060195992A1

Abstract

A manually-operated sweeper, of the type constituted by a wheeled chassis (11) with a steering handlebar (12) and with which a dirt collection container (13) is associated; the rear wheels (14) of the chassis (11) actuate, by means of a first transmission, a first brush (15), which has a horizontal axis which is parallel to the axis of the rear wheels (14) and is adapted to act on the surface that lies below the chassis (11), and, by means of a second transmission, a second brush (16), which has a vertical axis and is supported by an arm (17) which protrudes in front of the chassis (11). The sweeper (10) also has, proximate to the first brush (15), a fan (18) for aspirating fine dust raised by the action of the first and second brushes (15, 16) toward a filter (19) located inside a protective housing (20) at an opening leading externally (21) for the escape of the filtered air. The fan (18) is turned by way of transmission devices actuated by the motion of at least one of the rear wheels (14), therefore without electric motor drives.

Description

Hand operated sweeper

Technical field

The present invention relates to hand operated sweeper.

Background technology

Hand operated sweeper is current well-known and be subjected to extensive appreciation.

These manually operated cleaning equipment are allowed rapid and are cleared up very vast area at an easy rate, room area such as industrial building, pavement and other similar road part, and more vast surface, so big so that be convenient to hardly implement artificial cleaning by broom or electric vacuum cleaner.

In addition, dust, fragment and other similar rubbish can be removed and draw to hand operated sweeper, even from corner regions, these places generally are difficult to reach, such as pavement and road surface handing-over part.

These known sweepers generally are made of the chassis that has wheel, and drive control lever is set, and connect refuse collector on described chassis.

The rear wheel on chassis is because the character of its rotation is adapted to pass through first transmission mechanism of first brush starts, and this first brush has the trunnion axis that is parallel to the rear wheel axis, and is suitable for acting on the surface below the chassis.

Rear wheel by second transmission mechanism acts on second brush, and this brush has vertical axis, and is supported by the arm that is in the front, chassis.

Sweeper is at the fan that also has the suction fine dust near the first brush place, and dust is owing to the effect of brush is risen, and trend is positioned at the cleaner of protection housing.

The fan of such suction fine dust is driven by motor (" motor, gear motor or the like "), and they are electronic, therefore needs supply of electric power battery and battery charger so that regularly recover its function completely.

Electromotor and battery outside the key factor, are two parts that increase sweeper weight together with battery charger in as the sweeper production cost.

Summary of the invention

The object of the invention provides a kind of manually operated sweeper, can operate in mode fully independently, and not need power supply.

In this target, an object of the present invention is to provide a kind of manual operation, the fan that wherein aspirates fine dust is not to use the sweeper electrical motor driven.

Another purpose of the present invention provides a kind of sweeper, and its functional and efficient is not less than the sweeper of form known.

Another purpose of the present invention provides a kind of sweeper, and its rubbish struck capacity is not less than the sweeper of form known.

Another purpose of the present invention provides a kind of sweeper, can easily operate, even lack the operator of special training in advance.

The present invention also has purpose to provide manually operated sweeper, and its enough known system of energy and technology are made cheaply.

This target and other purpose; to become obvious from now on; be by a kind of manually operated sweeper; its form is made of following parts: the chassis that has wheel; and have a drive control lever; refuse collector on described chassis; the rear wheel on described chassis is owing to its rotation character is suitable for starting first brush by first transmission mechanism; this brush has the horizontal axis that is parallel to rear vehicle shaft; and be fit to act on the floor surface that is in below the described chassis; and drive by giving prominence to arm by second transmission mechanism and to be supported and center on second brush that vertical axis rotates in the front, chassis; described sweeper also has a fan near the described first brush place; be used to aspirate the fine dust that rises by the effect of described first and second brushes; trend is arranged in the cleaner of protection housing; and discharge air through filtering at the opening part of directed outwards, described fan is rotated by the transmission mechanism that is started by the motion of one of described at least rear wheel.

Brief description of drawings

Characteristic that the present invention also has and advantage will from following preferable but and become the detailed description of not exclusive embodiment obviously, this scheme is illustrated by non-limitative example in the accompanying drawings, wherein:

Fig. 1 decomposes rear perspective view according to the part of sweeper of the present invention;

Fig. 2 is the diagrammatic side view according to sweeper of the present invention;

Fig. 3 is the top view section detail view according to sweeper of the present invention.

Concrete embodiment

With reference to accompanying drawing, generally identify by reference number 10 according to the manually operated sweeper of the present invention.

Sweeper 10 is made of following parts: the chassis 11 that has wheel 14 and drive control lever 12; Be bound up on the container 13 that is used to collect rubbish 28 on the described chassis.

The rear wheel 14 on chassis 11, because its rotation character is started first brush 15 by first transmission mechanism, its axis is level and the axle that is parallel to rear wheel 14, described first brush is suitable for acting on the following floor surface in chassis 11.

Wheel 14 by second transmission mechanism, also starts second brush 16, and this brush rotates and by arm 17 supporting of giving prominence to 11 fronts on the chassis around vertical axis.

Sweeper 10 is at the fan 18 that has suction fine dust 29 near first brush, 15 places, and dust is owing to the effect of brush is risen, and trend is arranged in the cleaner 19 of back protection housing 20.

Chassis 11 has the grid that leads to outside 21 so that will discharge through the air of filtering at fan 18 places.

Fan 18 is by actuator drives, and the latter is driven by nearest rear wheel 14 and starts and without any need for electrical motor driven.

The transmission device of described fan 18, correspondingly replace the electric driving that is provided with in the known type sweeper, and constitute, comprise the driving wheel 22 that is bound up on rigidly in fan 18 rotating shafts 23 by interior wheel type drive train, and contact with the inner surface 24 of trailing wheel 14, as in Fig. 3, clearly illustrating.

Wheel 14 applies moment by rolling friction to driving wheel 22.

Driving wheel 22 is made by rubber-like material, and therefore the inner surface of wheel 22 use such as nylon or quite material make, thereby driving wheel 22 rotation and do not produce slip on inner surface 24 basically.

Gearratio is by the interior diameter decision of the overall diameter of driving wheel 22 and rear wheel 14 inner surfaces 24, and fan 18 can be produced under the speed of parital vacuum rotate in cleaner 19.

Cleaner 19 has cylindrical structure and is the cartridge formula.

Cleaner 19 connects with fan 18 coaxially by getting involved pipe 25.

Pipe 25 has bigger cross section in the regional 25a that surrounds fan 18, and please have less cross section among the regional 25b of device 19 in the connection filter.

Therefore the shape of pipe 25 can obtain Venturi effect, so that with respect to the pressure in the pressure minimizing cleaner 19 of fan 18 outsides.

Fan 18 is driven by the driving wheel on rotating shaft 23 free ends 22, therefore can save the set whole electrical system of known sweeper type, i.e. electrical motor driven, battery and battery charger.

Also has the lighter advantage of more known sweeper according to sweeper of the present invention, because it lacks described power suppling part spare and therefore easier manipulation.

First transmission mechanism of first brush 15 is provided with first driven wheel 26, be keyed on the rotating shaft 27 of rear wheel 14, driving opinion 22 pushes against on this rear wheel 14, with second driven wheel 28, this gear and first gear 26 mesh and form the external teeth train, and are keyed on the rotating hinge 29 of first brush 15.

Therefore first brush 15 rotates with respect to the rightabout of sweeper 10 stroke directions.

In fact have been found that so far described invention can solve the problem of pointing out in known manually operated sweeper type.

Specifically, the invention provides a kind of manually operated sweeper, be suitable for complete independent and do not need the mode of electric power to operate.

In addition, the invention provides a kind of manually operated sweeper, wherein aspirate the fan of fine dust and can't help electrical motor driven, but start by the mechanical device that transmits the rear wheel rotation.

Also have, the invention provides a kind of sweeper, its functional and efficient is not less than the sweeper of known type.

In addition, the invention provides a kind of sweeper, its rubbish struck capacity is not less than the sweeper of known type.

The invention provides a kind of sweeper in addition, can easily not be operated person's operation, even do not have the operator of special training in advance.

In addition, the invention provides a kind of manually operated sweeper, can use known system and technology manufacturing cheaply.

In fact, material that is adopted and size, as long as they can with specific purposes compatibility, can be any as requested with the material of current technology.

Claims

1. manually operated sweeper; its form is made of following parts: the chassis (11) that has wheel; and have a drive control lever (12); refuse collector (13) on described chassis (11); the rear wheel (14) on described chassis (11) is owing to its rotation character is suitable for starting first brush (15) by first transmission mechanism; this brush has the horizontal axis that is parallel to rear wheel (14) axle; and be fit to act on the floor surface that is in below the described chassis (11); and drive by the arm (17) of giving prominence to (11) front by second transmission mechanism and to be supported and center on second brush (16) that vertical axis rotates on the chassis; described sweeper (10) is locating also to have a fan (18) near described first brush (15); be used for suction by described first and second brushes (15; 16) effect and the fine dust that rises; trend is arranged in the cleaner (19) of protection housing (20); and locate to discharge air through filtering at the opening (21) of directed outwards; being characterized as of described sweeper (10), described fan (18) is rotated by the transmission mechanism that is started by the motion of one of described at least rear wheel (14).

2. according to the described sweeper of claim 1, it is characterized by, the transmission mechanism of described fan (18) is made of interior wheel type drive train, and the driving wheel (22) that is bound up on rigidly on described fan (18) rotating shaft (23) is set, contacts with described at least one rear wheel (14) inner surface (24) with this driving wheel.

3. according to one or more described sweepers in the above claim, it is characterized by, described wheel (14) applies moment by rolling friction to described driving wheel (22).

4. according to one or more described sweepers in the above claim, it is characterized by, described driving wheel (22) is made by rubber-like material, and therefore described wheel (14) inner surface (24) is by making such as the plastics of nylon or suitable material.

5. according to one or more described sweepers in the above claim, it is characterized by, gearratio is by the interior diameter decision of the overall diameter of described driving wheel (22) and described rear wheel (14) inner surface (24), and fan (18) can be produced under the speed of parital vacuum rotate in described cleaner (19).

6. according to one or more described sweepers in the above claim, it is characterized by, described cleaner (19) has cylindrical structure and is the cartridge type.

7. according to one or more described sweepers in the above claim, it is characterized by, described cleaner (19) connects with described fan (18) coaxially by getting involved pipe (25), pipe (25) has bigger cross section in the zone (25a) that surrounds described fan (18), and ask and have less cross section in the zone (25b) of device (19) connecting filter, the shape of described pipe (25) therefore can obtain the Venturi effect that the pressure with respect to fan (18) outside reduces pressure in cleaner (19).

8. according to one or more described sweepers in the above claim, it is characterized by, described first transmission mechanism of described first brush (15) is provided with first driven wheel (26), this gear is keyed on the rotating shaft (27) of described at least one rear wheel (14), with second driven wheel (28) is set, this gear and first gear (26) engagement and form gear train with outer gear, and be keyed on the rotating hinge (29) of first brush (15), first brush (15) rotates in opposite direction with respect to sweeper (10) stroke directions.