CN101487240A

CN101487240A - A floor-cleaning machine

Info

Publication number: CN101487240A
Application number: CNA2009100035226A
Authority: CN
Inventors: 弗朗西斯科·雷卡纳罗
Original assignee: IP Cleaning SRL
Current assignee: IP Cleaning SRL
Priority date: 2008-01-15
Filing date: 2009-01-08
Publication date: 2009-07-22
Also published as: US20090178228A1; EP2080468A2; ITRE20080006A1

Abstract

A floor-cleaning machine comprises a support trolley (2), on which support trolley (2) at least a floor-cleaning group (7) is installed, which floor-cleaning group (7) is provided with at least a flexible blade (70) and is mobile between a work position, in which the flexible blade (70) is in contact with a floor, and a rest position, which is characterized in that the floor-cleaning machine comprises magnetic means (26) which adsorbs the floor-cleaning group (7) in the rest position.

Description

Floor-cleaning machine

Technical field

The present invention relates to floor-cleaning machine, especially, relate to professional floor-cleaning machine, this cleaner is mainly used in the very large ground of cleaning, such as at commercial and/or little industrial site.

Background technology

Professional floor-cleaning machine is divided into two kinds usually, the cleaner that is installed on the driving carriage that the operator drives is commonly referred to as " vehicle-mounted people's formula " (man on board) cleaner, is installed in by the cleaner of walking on the trolley that the operator behind the machine promotes then to be called as " legged " (walk-behind) cleaner.

The present invention relates generally to legged cleaner.

As everyone knows, legged floor-cleaning machine comprises the work package that carries out concrete floor cleaning operation, these work packages comprise: one or more motor-driven rotating brushes that are used to clean ground are used for the dispensing assembly of dispensing cleaning agent and the pumping components that links to each other with the ground Wipe assembly.Described floor cleaning assembly generally comprises one or more flexible rubber blades, and these blade towings are used to collect detergent liquid and remove dirt on the ground.

Described work package covers with suitable plastic or sheet-metal shield usually, and be fixed on the solid support trolley, described trolley stock size is bigger, and has the handle that can supply operator grasping, and the operator can grab this hand propelled cleaner and move on ground to be washed.

The total demand of all professional floor-cleaning machines is that described floor cleaning assembly can vertically be moved between the operating position of operating position that reduces and rising, and wherein, in the operating position of described reduction, described blade contacts with ground; In the operating position of described rising, described blade and ground break away from, the ground of not swiping.

Described vertical mobile general motion-activated system by complexity realizes, such as realizing that by hinged system this motion-activated system is fixed on the support trolley that links to each other with described floor cleaning assembly with one or more pivoted arms (jointed arm).

The shortcoming of this professional floor-cleaning machine is very expensive, and this is not only because need described motion-activated system, also because all motor-driven element and control elements that this kinematic system is had an effect.

Summary of the invention

The objective of the invention is to overcome above-mentioned shortcoming at least in part, a kind of simple floor-cleaning machine is provided, this cleaner is compared with existing cleaner, and infrastructure cost reduces greatly.

Especially, the present invention also provides a kind of floor-cleaning machine, this cleaner comprises support trolley, at least one work package is installed on this trolley, this assembly has at least one rotating brush and is used to start the motor of this rotating brush, and handling device, this handling device can hold for the user, is used to handle trolley and moves on the ground.

Described handling device is provided by rigid frame, and this rigid frame is connected with the support trolley hinge, and described work package directly is fixed on the described rigid frame.

Above technical scheme has been arranged, by the described rigid frame of manual rotation, make it around the jointed shaft rotation hinged with support trolley, user's described work package that can raise effectively, it is risen to the operating position of rising from the operating position that reduces, and without any need for the motion-activated system of complexity, motor or commander's element, this makes very simple, economical according to structure provided by the invention.

In addition, owing to there has not been described excitation system, so the trolley size that described support trolley can be made more used than existing professional floor-cleaning machine is littler, solidness is littler, this makes that further structure of the present invention is simpler, thereby makes cleaner of the present invention very cheap.

In a preferred embodiment of the present invention, described floor-cleaning machine comprise be used to make described rigid frame keep a kind of structure, work package described in this structure be in rising resting position, arresting stop.This device preferably includes at least one telescopic arm, and this telescopic arm is hinged to trolley and tilt frame, and the stop device that can throw off links to each other with described telescopic arm, and this stop device is used to make described telescopic arm to rest on predetermined extended position.

In another preferred embodiment of the present invention, described floor-cleaning machine also comprises having at least one flexible blade floor cleaning assembly, this floor cleaning assembly is carried by support trolley, and can move between blade touches the resting position on the operating position on ground and leaf abscission ground.

Preferably, described floor cleaning assembly links to each other with magnetic devices, and this magnetic devices can make described floor cleaning assembly rest on described resting position.

Can further reduce the manufacturing cost of floor-cleaning machine like this, because in the existing cleaner, the floor cleaning assembly generally all links to each other with remaining device with the automatic rising of complexity.

Description of drawings

Below will be by example non-limiting mode, come the present invention is described in further detail with specific embodiment in conjunction with the accompanying drawings, wherein:

Fig. 1 is the lateral view of floor-cleaning machine of the present invention, and work package 5 and floor cleaning assembly 7 all are in the operating position among the figure, in order to show the present invention better, some parts is saved among the figure;

Fig. 2 is the vertical view of floor-cleaning machine among Fig. 1;

Fig. 3 is the lateral view of floor-cleaning machine among Fig. 1, and work package 5 and floor cleaning assembly 7 all are in resting position among the figure;

Fig. 4 is the lateral view of floor-cleaning machine among Fig. 1, and this figure has drawn whole parts of cleaner, and work package 5 is in the operating position among the figure, and floor cleaning assembly 7 is in resting position;

Fig. 5 is the partial enlarged drawing of floor-cleaning machine among Fig. 1;

The sectional view that Fig. 6 cuts open along VI-VI line among Fig. 2 for floor cleaning assembly 7, the broken line among the figure are represented when blade pulls on the ground, the case of bending of described blade 70.

The specific embodiment

Floor-cleaning machine 1 comprises the very support trolley 2 of compactness, lightweight, and this trolley 2 has horizontal base 20 and three support wheels, comprising two front-wheels 21 coaxial, fixedly wheel shaft and a pivot trailing wheel 22.

Two be oppositely arranged, the duplicate convex side element 23 of shape is fixed to movably support trolley 2, side direction limits the loading space of described trolley 2, this convex side element 23 preferably is made of plastics.

Preferably the rigid frame of being made by the sheet steel 3 is hinged to described side member 23.

As shown in Figure 2, framework 3 has fillet and two cross bars, i.e. front rail 30 and rear transverse rod 31, and the vertical pole 32 of shape that these two cross bars are oppositely arranged by two, same links together.

Rigid frame 3 is embedded on the external surface of side member 23 of removable support trolley 2, and being hinged to described trolley 2 by two hinge connectors 24, described hinge connector 24 connects together corresponding side member 23 unusually with adjacent with it vertical pole 32.

Described two hinge connectors 24 are preferably coaxial, to form the single axis of rotation A that rigid frame 3 rotates with respect to removable support trolley 2.

As shown in Figure 1, when described removable support trolley 2 is static on the ground the time, the direction of described axis of rotation A is a level, and is positioned at the centre position of vertical pole 32, and like this, rigid frame 3 is hinged to described removable support trolley 2 as reciprocating lever.

Like this, when rear transverse rod 31 descended, front rail 30 rose, and vice versa.

Specifically, the vertical pole 32 of framework 3 extends downwards, thereby makes front rail 30 be positioned at the place ahead of base 20 and contour with base 20, and aspect ratio front rail 30 height of rear transverse rod 31.

The function of rear transverse rod 31 is: the user can grab this rear transverse rod 31 and promote described floor-cleaning machine 1, so the height of this rear transverse rod 31 is the height that makes user's grasping cosily.In the zone between axis of rotation A and rear transverse rod 31, described vertical pole 32 can prolong, and this can adjust the height of rear transverse rod 31 according to user's needs.

Gripper shoe 33 (see figure 2) that links to each other with rigid frame 3 at front rail 30 places is welded with vertical bar 34 on this gripper shoe 33.

First end of telescopic arm 4 is hinged to described vertical bar 34 (see figure 1)s, and second end is hinged to Y-piece 25, and this Y-piece 25 is fixed on the below of the base 20 of trolley 2.

The hinged jointed shaft of telescopic arm 4 and vertical bar 34, Y-piece 25 is all parallel with the axis of rotation A of framework 3, and the residing position of described jointed shaft is feasible: telescopic arm 4 can be along with framework 3 rotation (this rotation is corresponding to the rising of front rail 30) on the B and extending in the counterclockwise direction.

Telescopic arm 4 has stop device (can be known various forms, not shown), and this stop device can make described telescopic arm rest on predetermined extended position, also can discharge this telescopic arm 4 so that it can continue to shorten.

More particularly, described stop device works in the elongation process of telescopic arm 4, when telescopic arm 4 reaches predetermined length, block this telescopic arm 4, makes it stop elongation.Because this telescopic arm 4 is stuck, therefore can not shorten, so rest on the position that has arrived.

For telescopic arm 4 is discharged from jammed state, telescopic arm 4 is further extended a bit, thereby the disengagement of described stop device can freely be shortened described telescopic arm 4.

The telescopic arm that has this stop device is on sale on the market, and is widely used, and such as in furniture industry, is used for the pendulum type door of cabinet is remained on open mode.

Work package 5 is installed on the gripper shoe 33, and this work package 5 comprises the rotating brush 50 that has preceding bristle, and gear reduction unit 51 links to each other with this rotating brush 50.

Especially, described rotating brush 50 is positioned at the below of gripper shoe 33, and its axis of rotation is vertical substantially, this make its bristle can rest on ground directly over, and gear reduction unit 51 is positioned at the top of gripper shoe 33, this gear reduction unit 51 and described rotating brush 50 mechanical connection in a hole (not shown).

Described gear reduction unit 51 is by control lever 52 controls, and this control lever 52 is fixed on the rear transverse rod 31 of framework 3, and links to each other with gear reduction unit 51 by soft rope (not shown).

Pumping components 6 also is installed on the gripper shoe 33, and this pumping components 6 roughly comprises the pump with relevant starter.

Also by manual element (not shown) control, this manual element preferably is fixed on the rear transverse rod 31 of framework 3 this pumping components 6, thereby the user is operated easily.

As shown in Figure 4, pumping components 6 links to each other by the collection container 61 of first flexible pipe 60 with sealing, and this collection container 61 preferably is made of plastics, and is carried by removable support trolley 2, and links to each other with floor cleaning assembly 7 by second flexible pipe 62.

Collection container 61 is placed on the lower container 63, and this lower container 63 is fixed on the base 20 of removable support trolley 2, is used to hold washing lotion, and this washing lotion is generally water, perhaps the mixture of water and cleaning agent.

Lower container 63 links to each other with one or more detergent dispensing valves (not shown) by flexible pipe 64, and this dispensing valve is connected to rigid frame 3 at cleaning element 50 places.Described dispensing valve links to each other with described lower container 63 by at least one flexible pipe 64 (see figure 4)s, be provided with the flap valve (not shown) that is used to regulate the detergent flow along this flexible pipe 64, described detergent generally under the effect of gravity, flows to described dispensing valve from lower container 63.

As shown in Figure 5, floor cleaning assembly 7 comprises two thin flexible blades 70, and this flexible blade 70 is made by a kind of material, is preferably rubber, and described flexible blade 70 vertically is provided with, and its edge is near ground.

Preferably, described two flexible blades 70 are faced each other mutually, and its bottom level edge roughly is positioned at the sustained height place, and therefore two blades can contact with ground along its entire longitudinal length simultaneously.

As shown in Figure 2, two flexible blades 70 are horizontally set with respect to trolley 2, and stretch out from the both sides of trolley 2, be one arc in vertical view, and arc concave surface are towards the place ahead.

The end of two flexible blades 70 combines, and keeps separated position by rigid support 71, the space (see figure 6) of opening bottom described rigid support 71 has defined, top seal.

Connector 73 links to each other with described rigid support, and its end ends in the space 72, and this connector 73 links to each other with second flexible pipe 62 of drawing from collection container 61 places.

As shown in Figure 2,71 of rigid supports are releasable connection between the two on median plate 74, and this makes that the user can change ground cleaning assemblies 7 when the old wearing and tearing of flexible blade 70 usefulness.

Be welded with projection 75 on the median plate 74, end and projection 75 that two length stacked connecting rod identical and parallel to each other is 76 1 are hinged, the end of other end and bearing 77 are hinged, this bearing 77 be fixed on base 20 the below, be positioned at the rear portion (see figure 5) of trolley 2.

Connecting rod 76 is levels with projection 75, bearing 77 hinged jointed shafts, and this makes two described connecting rods 76 constitute one four bar linkage, thereby makes described floor cleaning assembly 7 can carry out vertical motion, and keeps two flexible blades 70 to be parallel to each other.

Specifically, described four bar linkages make described floor cleaning assembly 7 to move between operating position and resting position, and wherein, when being in described operating position, flexible blade 70 contacts with ground; And when being in described resting position, flexible blade 70 is raised, does not contact with ground.

As shown in Figure 5, be fixed with permanent magnet 26 on the trolley 2, also available electromagnet or similar magnetic devices replace described permanent magnet 26, and when ground cleaning assemblies 7 was in the resting position of rising, described magnet 26 contacted with the last connecting rod 76 of described four bar linkages.

Like this, the magnetic attracting force that magnet 26 sends acts on the ferromagnetic material of connecting rod 76, for example makes that when ground cleaner 1 did not use, described floor cleaning assembly 7 can rest on described resting position effectively.

Usually, also magnet 26 can be fixed on the connecting rod 76, and on trolley 2, preset the retainer of a ferromagnetics, can achieve the above object equally; Perhaps, two magnets that magnetic pole is opposite are separately fixed on connecting rod 76 and the trolley 2, and when described floor cleaning assembly 7 was in resting position, described two magnets contacted with each other.

At last, described floor cleaning assembly 7 comprises shaped bar 78, this shaped bar 78 vertically extends and is fixed on the rigid support 71, the user can be with this shaped bar 78 of comfortable posture grasping, to overcome the magnetic force that magnet 26 sends, and with floor cleaning assembly 7 from described static position release, discharge this floor cleaning assembly 7, make its effect be displaced downwardly to described operating position at gravity.

During use, walking in after the user grabbing the rear transverse rod 31 of tilt frame 3, handle described floor cleaning assembly 7 and move on the ground.

This moment, described tilt frame 3 was a structure shown in Figure 1, and in this structure, work package 5 is in the operating position of lower, and in this operating position, the bristle of described rotating brush contacts with described ground is positive.

Keep by the weight of this work package 5 and pumping components 6 operating position of work package 5, described weight tends to make tilt frame 3 to be docile and obedient clockwise C rotation, the rotation of this clockwise direction corresponding to: front rail reduces, thereby pushes rotating brush 50 downwards, it is pressed on the ground.

Described floor cleaning assembly 7 also is positioned at the operating position of lower, and this moment, two flexible blades 70 all contacted with ground.

Keep by the weight of itself operating position of floor cleaning assembly 7, and the weight of assembly 7 is pressed in flexible blade 70 on the ground.

In the clean operation process, gear reduction unit 51 makes rotating brush 50 rotation, and simultaneously, pumping components 6 starts, and makes to be low pressure in the collection container 61, and makes by flexible pipe 62 in the space 71 between two flexible blades 70 that are formed on floor cleaning assembly 7 and also be low pressure.

Meanwhile, detergent is dispensed from lower container 63.

Described detergent directly is assigned on the bristle of rotating brush 50, and like this, the scrubbing action by rotating brush 50 and the detergent action of detergent are with ground soil release.

Then, inswept and collect the detergent that is mixed with dirt with on the ground flexible blade of towing, these liquid filters are drawn into earlier in the collection container 61, space 72 is gone in filter then.

When cleaning operation finished, the user pushed away the rear transverse rod 31 of tilt frame 3 downwards, with rising front rail 30, and telescopic arm 4 was extended forward.

Like this, all risen from ground with work package 5 and the pumping components 6 that front rail 30 firmly is connected, up to arriving resting position shown in Figure 3, in this resting position, described rotating brush 50 does not contact with ground.

After arriving resting position, telescopic arm 4 stops under the effect of described stop device, even after the user decontroled like this, this resting position still can keep.

At this moment, the user catches bar 78, rises floor cleaning assembly 7, makes it get back to resting position, and in this resting position, described floor cleaning assembly 7 is held by magnet 26.

As carrying out new clean operation, then need discharge described telescopic arm 4, under the effect of gravity, work package 5 natures can be got back to its operating position so, also need simultaneously floor cleaning assembly 7 is discharged from the attraction of magnet 26.

Obviously, those skilled in the art can do various modifications to technical characterictic of the present invention and embodiment in connotation scope of the present invention.

Claims

1. floor-cleaning machine, comprise: support trolley (2), at least one work package (5) is installed on this trolley (2), this work package (5) comprises rotating brush (50) that at least one can contact with ground and the motor (51) that is used to start this rotating brush (50), and handling device (31), this handling device can hold for the user, is used to handle trolley (2) and moves on the ground; It is characterized in that: described handling device (31) is provided by rigid frame (3), and this rigid frame (3) is connected with support trolley (2) hinge, and described work package (5) directly is fixed on the described rigid frame (3).

2. floor-cleaning machine according to claim 1 is characterized in that: described rigid frame (3) is hinged to described support trolley (2) as reciprocating lever.

3. floor-cleaning machine according to claim 2, it is characterized in that: described work package (5) is lived apart in the relative both sides of rigid frame (3) with respect to axis of rotation (A) with described handling device (31), and described axis of rotation (A) is the axis of rotation of rigid frame (3) with respect to trolley (2) rotation.

4. floor-cleaning machine according to claim 1 is characterized in that also comprising: arresting stop, this arresting stop are used to make described rigid frame (3) to keep static structures, and in this static structures, the rotating brush (50) of described work package (5) breaks away from ground.

5. floor-cleaning machine according to claim 4 is characterized in that: described arresting stop comprises the telescopic arm (4) that is hinged to rigid frame (3) and trolley (2), and this telescopic arm (4) has the stop device that can throw off.

6. floor-cleaning machine according to claim 1 is characterized in that: also be fixed with pumping components (6) on the described rigid frame (3).

7. floor-cleaning machine according to claim 6 is characterized in that: described pumping components (6) links to each other with collection container (61) on the base that is positioned at trolley (2) (20).

8. floor-cleaning machine according to claim 1 is characterized in that also comprising: be used for detergent is assigned to ground device (63,64).

9. floor-cleaning machine according to claim 8 is characterized in that: describedly be used for that detergent is assigned to ground device and comprise the container (63) that is used to hold detergent, this container (63) is positioned on the base (20) of trolley (2).

10. floor-cleaning machine according to claim 1, it is characterized in that also comprising floor cleaning assembly (7) with at least one flexible blade (70), this floor cleaning assembly (7) is by support trolley (2) carrying, and can move between blade touches the resting position on the operating position on ground and leaf abscission ground.

11. floor-cleaning machine according to claim 10 is characterized in that also comprising: magnetic devices (26), when being in described resting position, this magnetic devices (26) holds described floor cleaning assembly (7).

12. floor-cleaning machine according to claim 11 is characterized in that: described magnetic devices (26) comprises that at least one is fixed on the magnet on the trolley (2).

13. floor-cleaning machine according to claim 10 is characterized in that: described floor cleaning assembly (7) comprises the pair of flexible blade (70) that is separated by space (72).

14. according to claim 7 or 13 described floor-cleaning machines, it is characterized in that: described space (72) communicate with pumping components (6) by collection container (61).