EP3023044A1 - Aspirateur avec système de freinage - Google Patents

Aspirateur avec système de freinage Download PDF

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Publication number
EP3023044A1
EP3023044A1 EP15002959.3A EP15002959A EP3023044A1 EP 3023044 A1 EP3023044 A1 EP 3023044A1 EP 15002959 A EP15002959 A EP 15002959A EP 3023044 A1 EP3023044 A1 EP 3023044A1
Authority
EP
European Patent Office
Prior art keywords
brake member
chassis
suction cup
sucker
cup according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP15002959.3A
Other languages
German (de)
English (en)
Other versions
EP3023044B1 (fr
Inventor
Daniel Fischer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Electrostar GmbH
Original Assignee
Electrostar GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Electrostar GmbH filed Critical Electrostar GmbH
Publication of EP3023044A1 publication Critical patent/EP3023044A1/fr
Application granted granted Critical
Publication of EP3023044B1 publication Critical patent/EP3023044B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4061—Steering means; Means for avoiding obstacles; Details related to the place where the driver is accommodated
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/009—Carrying-vehicles; Arrangements of trollies or wheels; Means for avoiding mechanical obstacles

Definitions

  • the invention relates to a sucker according to the preamble of claim 1.
  • the invention has the object of providing the generic vacuum cleaner in such a way that it can be easily and reliably kept at a fixed position at least during the suction process when needed.
  • the sucker according to the invention is provided with the brake member which can be adjusted between a rest position and a braking position.
  • the brake member is in the rest position, so that the chassis can be easily driven in the desired direction.
  • the sucker take a firm, non-variable position
  • the brake member is moved to the braking position.
  • the spring under the force of the brake member is moved beyond a dead center. This ensures that the brake member is held by the spring securely in the braking position.
  • the chassis of the nipple can not move in the braking position so that the nipple retains its desired fixed position.
  • the brake member is moved from the braking position back to the rest position, wherein the spring in turn exceeds the dead center. As a result, the brake member is also reliably held by the spring in the rest position. The brake member can not be inadvertently adjusted to the braking position during the suction process.
  • the brake member is provided with at least one main body. He lies in the direction of travel of the nipple in front of the chassis.
  • the body can thus be easily operated for adjusting the brake member between the rest and the braking position of the operator, especially with the foot.
  • the body can also serve as shock protection, when the sucker encounters obstacles during the suction process.
  • the brake member is preferably pivotally mounted on the underside of the chassis.
  • the pivot bearing is thus covered by the chassis up, so that there is no risk that the pivot bearing is damaged.
  • the base body is provided with at least one curved ramp. It is designed to make it easier to drive over bumps.
  • the curved ramp raises the teat slightly as it passes over the threshold, so that the steering wheels of the chassis can easily cross the threshold.
  • the curved ramp is particularly advantageous if the steering wheels of the chassis have a smaller diameter than the located on the opposite side of the chassis wheels. Due to the curved ramp, bumps can be overcome by the sucker without much effort.
  • the ramp is formed by the curved edge of at least one arm of the main body.
  • the arm is advantageously plate-shaped and arranged edgewise. He occupies thereby only little space, but ensured by its curved outer edge, that the sucker when driving over bumps is raised safely, so that the sucker can drive over the thresholds.
  • the arm projects beyond the base body and has at least one axis with which the brake member is pivotally mounted on the chassis.
  • the arm thus serves not only as Auffahrrampe when driving over bumps, but also forms the support for the pivot axis to connect the brake member articulated to the chassis.
  • a particularly simple and inexpensive to produce training arises when the body has a front wall and a rear wall, wherein the front wall and the rear wall extending in the direction of their free end diverging to each other.
  • This design of the body allows it to be easily manufactured by injection molding, with a simple demolding is possible due to the divergent course of the front and the rear wall. Also, no complicated tools for the production of the body are required for the injection molding.
  • At least one handle opening is provided between the front wall and the rear wall of the base body. With her it is possible to take the sucker to empty the container at the handle opening to pivot it.
  • a particularly advantageous embodiment is given when the handle opening of the front wall and the rear wall is limited.
  • the hand can therefore in the space between the front and the rear wall engage the base body and in this way simply lift or swivel the nipple to empty the nipple tank.
  • the brake member has obliquely lying to the direction of travel of the chassis deflection surfaces. If the vacuum cleaner encounters vertical obstacles during the suction process, for example on door frames, then these deflection surfaces ensure that the vacuum cleaner is guided past these obstacles.
  • the deflection surfaces are advantageously in the area adjacent to the front wall of the base body.
  • the spring with which the brake member is held in the rest and in the braking position is advantageously a tension spring, one end of which is mounted in an axis of the chassis and the other end in an axis of the brake member.
  • the tension spring can thus be very easily mounted on the sucker.
  • the brake member is properly secured in position in the rest position, it is provided with at least one stop, with which it rests in the rest position on a counter-stop of the chassis.
  • the spring of the stop of the brake member is pulled against the counter-stop of the chassis. This prevents that the brake member is inadvertently adjusted during the suction in the direction of the braking position.
  • connection for the suction hose is advantageously located on the same side of the nipple as the brake part. This ensures that the brake part, when it takes the braking position, is not accidentally moved by pulling the suction hose in the rest position.
  • the brake member forms a multi-functional part, which not only serves as a brake or park support, but also for lifting the nipple for emptying the container and for driving over bumps is used.
  • About the inclined surfaces of the brake member is also ensured that the sucker is distracted laterally, for example when hitting obstacles, so that he can drive around this obstacle.
  • the sucker has a housing 1 which is seated on a chassis 2.
  • the chassis 2 has approximately rectangular outline.
  • each wheels 3, 4 are rotatably mounted.
  • the wheels 3 have larger diameter than the steering wheels 4.
  • the wheels 3, 4 can also have the same diameter.
  • a lid 5 is placed, which is detachably connected to the housing 1 with at least one quick release.
  • switching elements 7 for actuating the nipple motor.
  • a power outlet 8 for the power line and an on / off switch 9 for the vacuum motor are provided in the lid 5.
  • two handles 10, 11 are provided for supporting the nipple on the lid 5.
  • the housing 1 is provided with a connection 12 for a suction hose (not shown).
  • a brake member 13 is provided, with which the sucker can be parked if necessary so that it does not roll unintentionally on.
  • the brake member 13 is also also designed so that it facilitates driving over bumps.
  • the brake member 13 can also serve as a handle when emptying the nipple.
  • the brake member 13 forms a multi-functional part, with which a variety of functions can be performed, which are described in more detail below.
  • the brake member 13 is pivotally mounted in the area between the two steering wheels 4 on the chassis 2.
  • the brake part can be from a braking or parking position ( Fig. 2 ) in a rest position ( Fig. 4 ) are pivoted.
  • the brake member 13 rests on the substrate 14, whereby the sucker in the region of the steering wheels 4 is raised.
  • the brake member 13 is pivoted upward so that it has no contact with the substrate 14. In this position, the sucker can be easily moved.
  • the brake member 13 has a shield-shaped base body 15 which is formed as a profile part. He has a front wall 16, which merges into a rear wall 17. The front wall 16 and the rear wall 17 extend in the direction of their free end diverging ( Fig. 2 ).
  • the front wall 16 and the rear wall 17 each go obtusely in end portions 18, 19 of the base body 15 via.
  • the end portions 18, 19 extend from the main body 15 from diverging.
  • the transition from the main body into the end sections 18, 19 is preferably continuous.
  • a wall 20, 21 is provided ( Fig. 5 ), which connects the front wall 16 and the rear wall 17 in the region of these end portions 18, 19 with each other.
  • the two walls 20, 21 are in a common plane, as seen from Fig. 6 evident.
  • Both walls 20, 21 extend over the entire height of the end portions 18, 19 and are each provided with a slot 22, 23. It extends in the height direction of the wall 20, 21 and terminates at a distance from the transition of the front wall 16 in the rear wall 17.
  • the slots 22, 23 are open at the free end of the walls 20, 21.
  • the slots 22, 23 widen towards their open end.
  • the end portions 18, 19 have the diverging outer surfaces 24, 25, which serve as lateral deflectors in the use of the sucker, if the sucker should collide with these oblique outer surfaces 24, 25 with obstacles.
  • the oblique outer surfaces 24, 25 ensure that the sucker is deflected accordingly laterally. Since the outer surfaces 24, 25 are adjacent to the steering wheels 4, the sucker is easily deflected laterally in this case, so that he can drive around the obstacle.
  • stiffening ribs 26 On the front wall 16 are spaced apart stiffening ribs 26 which project slightly beyond the front wall 16 and extend parallel to each other.
  • the stiffening ribs 26 extend over the height of the front wall 16 into the transition region 27 to the rear wall 17.
  • the stiffening ribs 26 are advantageously evenly distributed on the front wall 16 is provided.
  • the walls 20, 21 are connected to the front wall 16 by a respective intermediate wall 28, 29. Both intermediate walls 28, 29 are parallel to each other and each extending at right angles to the front wall 16 and to the walls 20, 21.
  • the intermediate walls 28, 29 serve to stiffen the base body 15. As out Fig. 6 As can be seen, the intermediate walls 28, 29 are in the region between the slots 21, 22 and the transition of the walls 20, 21 in the rear wall 17th
  • the base body 15 forms as a result of the described training a hollow profile part, which has only low weight, but nevertheless has a high strength.
  • the front wall 16 and the rear wall 17 each have the same height over their length. Since the front wall 16 and the rear wall 17 extend diverging in the direction of their free ends, a handle opening 30 is formed between the two walls, in which the user of the nipple can grip when he wants to raise the nipple for emptying the housing 1.
  • the handle opening 30 extends between the two partitions 28, 29th
  • the intermediate walls 28, 29 protrude beyond the rear wall 17 of the main body 15. These projecting parts of the intermediate walls 28, 29 form arms 31, 32, which are arranged edgewise and at their free end in each case a support piece 33, 34 for an axle 35, 36 have.
  • the support pieces 33, 34 are integrally formed with the arms 31, 32 and directed against each other at the same height.
  • the axes 35, 36 are aligned with each other and serve as pivot axes, via which the brake member 13 is pivotally connected to the chassis 2.
  • the axes 35, 36 project beyond the mutually remote outer sides of the arms 31, 32.
  • the other ends of the two axles 35, 36 are interconnected by a connecting piece 37 having V-shaped legs 38, 39, which are provided at one end with a bearing piece 40, 41, in which the of the support pieces 33rd , 44 opposite ends of the axes 35, 36 are attached.
  • the other ends of the legs 38, 39 are connected to each other via a U-shaped intermediate piece 42. Between the two legs 43, 44 of the intermediate piece 42, an axis 45 is fixed, in the manner to be described, a tension spring 46 is mounted.
  • the legs 38, 39 and the intermediate piece 42 are directed against the rear wall 17 of the base body 15.
  • the intermediate piece 42 has sufficient distance from the rear wall 17th
  • a web 48 which extends over the length of the free edge 47 and up to the slots 22, 23 of the walls 20, 21.
  • the web 48 contributes to the stiffening of the base body 15.
  • the intermediate piece 42 has a small distance from the web 48th
  • the brake member 13 is formed symmetrically to its longitudinal center plane and advantageously made in one piece as a plastic injection molded part. It is with the over the arms 31, 32 projecting ends of the axles 35, 36 in Lageröffnüngen 49, 50 in bearing arms 51, 52 of the chassis 2 engaged ( Fig. 6 ).
  • the bearing arms 51, 52 are flat and upright.
  • the free edge of the arms 31, 32 has following the front wall 16 has a continuously curved lower edge 53, which connects at the end remote from the front wall 16 to a transverse edge 54 which connects the curved edge 53 with a straight edge 55. While the transverse edge 54 connects at right angles to the curved edge 53, it merges smoothly into the edge 55. It closes with its end facing away from the transverse edge 45 at a further transverse edge 56, the arcuately curved to the frontal free edge 57 of the arms 31, 32 connects.
  • the brake member 13 is pivotally connected to the chassis 2 via the axles 35, 36.
  • the compression spring 46 is hooked with one end in the axle 45 and with its other end in a chassis-side axle 56.
  • the tension spring 46 is always under tension.
  • the front wall 16 and the rear wall 17 of the base body 15 are directed toward the substrate 14.
  • the handle opening 30 formed between the two walls 16, 17 is thus open at the bottom, wherein the inlet end in the handle opening 30 has a distance from the substrate 14. Therefore, with the cover 5 removed, the nipple can be tilted, for example if it is should be emptied. The user can easily reach with his hand from below into the handle opening 30 and lift the nipple at this point.
  • the inclined outer surfaces 24, 25 of the base 16 form Abweis lake if the sucker should encounter vertical obstacles, such as a door frame. Since the brake member 13 is in the direction of travel in front of the chassis 2, first come the oblique outer surfaces 24, 25 with the obstacle in touch. As a result of the inclined position of these outer surfaces 24, 25, the chassis 2 is deflected laterally and with the sucker, so that the sucker can be passed by the obstacle.
  • the brake member 13 is pivoted about the pivot axis 35, 36 against the force of the tension spring 46 down.
  • the user can pivot the damping member 13 down with his foot.
  • the curved runner-shaped edges 53 of the arms 31, 32 come into contact with the substrate ( Fig. 3 ).
  • Upon further pivoting finally reaches the front wall 16 with its front side on the substrate 14.
  • the curved edges 53 of the arms 31, 32 have such a course that in the braking or parking position according to Fig. 2 the chassis 2 is lifted in the area of the steering wheels 4 from the ground. The chassis 2 is thus supported via the brake member 13 on the substrate 14 from.
  • the suspension axis 45 for the tension spring 46 exceeds the straight line 60, so that in the brake / park position according to Fig. 2 the axis 45 is now on the right side of the line 60.
  • the brake member 13 is held by the tension spring 46 reliably in the brake / parking position.
  • the brake member 13 from this brake / park position again in the rest position according to Fig. 4 reaches, it is sufficient if the sucker is moved away on the brake member 13 opposite side.
  • the brake member 13 is pivoted about the axis 35, 36, whereby the arcuate edge 53 of the arms 31, 32 comes into contact with the substrate 14 and facilitates the pivoting of the brake member in the direction of the rest position.
  • the pivoting movement is assisted by the tension spring 46, which pivots beyond the dead center position (straight line 60) and pivots the brake member 13 upwards into the rest position. Since during the pivoting movement, the brake member 13 rests on the arcuate edges 53 on the substrate 14, the chassis 2 is not jerkily lowered from the brake / parking position, but uniform. Conversely, the chassis 2 is raised uniformly when the brake member 13 is pivoted to the brake / park position.
  • the curved edges 53 face the substrate 14. If, for example, ground sleepers are run over with the sucker, these curved edges 53 form ramps which facilitate driving over the sleepers and thereby relieve the steering wheels 4. The sucker can therefore be driven over thresholds without much force.
  • the lateral, sloping outer surfaces 24, 25 help when driving through doors or other bottlenecks, as the inclined surfaces, for example, facilitate the lateral deflection of the nipple when hitting vertical obstacles, such as the door frame.
  • the adjustment of the brake member 13 in the brake / park position can only be carried out by operation with the foot. The teat itself does not have to be touched.
  • the brake member 13 Since the suction port 12 is located on the same side of the nipple as the operating member 13, the brake member 13, when it assumes its parking position, not in the rest position according to Fig. 4 be folded up when the user pulls the sucker on the suction hose.
  • the brake member 13 ensures that the sucker can not accidentally roll away when the brake member 13 in the parking position according to Fig. 2 has been adjusted.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Elements And Transmission Devices (AREA)
EP15002959.3A 2014-11-12 2015-10-16 Aspirateur avec système de freinage Active EP3023044B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014017052.7A DE102014017052A1 (de) 2014-11-12 2014-11-12 Sauger

Publications (2)

Publication Number Publication Date
EP3023044A1 true EP3023044A1 (fr) 2016-05-25
EP3023044B1 EP3023044B1 (fr) 2020-09-02

Family

ID=54359660

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15002959.3A Active EP3023044B1 (fr) 2014-11-12 2015-10-16 Aspirateur avec système de freinage

Country Status (2)

Country Link
EP (1) EP3023044B1 (fr)
DE (1) DE102014017052A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2088236A (en) * 1935-01-04 1937-07-27 Faber Ernst Portable vacuum cleaner
DE19507607A1 (de) * 1995-03-04 1996-09-12 Kaercher Gmbh & Co Alfred Fahrbare Vorrichtung, insbesondere Kehrvorrichtung
DE19803844A1 (de) * 1998-01-31 1999-08-05 Festo Tooltechnic Gmbh & Co Von Hand verfahrbares Gerät, insbesondere Sauggerät

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9413706U1 (de) * 1994-08-25 1994-11-03 STEINCO Paul vom Stein GmbH, 42929 Wermelskirchen Lenkrolle für Apparate, Möbel o.dgl.
DE20318350U1 (de) * 2003-11-27 2004-03-11 Alfred Kärcher Gmbh & Co. Kg Sauger zu Reinigungszwecken

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2088236A (en) * 1935-01-04 1937-07-27 Faber Ernst Portable vacuum cleaner
DE19507607A1 (de) * 1995-03-04 1996-09-12 Kaercher Gmbh & Co Alfred Fahrbare Vorrichtung, insbesondere Kehrvorrichtung
DE19803844A1 (de) * 1998-01-31 1999-08-05 Festo Tooltechnic Gmbh & Co Von Hand verfahrbares Gerät, insbesondere Sauggerät

Also Published As

Publication number Publication date
DE102014017052A1 (de) 2016-05-12
EP3023044B1 (fr) 2020-09-02

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