EP1556188B1 - Recipient de collecte de poussiere pour machine-outil manuelle electrique - Google Patents

Recipient de collecte de poussiere pour machine-outil manuelle electrique Download PDF

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Publication number
EP1556188B1
EP1556188B1 EP03809694A EP03809694A EP1556188B1 EP 1556188 B1 EP1556188 B1 EP 1556188B1 EP 03809694 A EP03809694 A EP 03809694A EP 03809694 A EP03809694 A EP 03809694A EP 1556188 B1 EP1556188 B1 EP 1556188B1
Authority
EP
European Patent Office
Prior art keywords
housing
dust
dust collecting
collecting chamber
container 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.)
Expired - Lifetime
Application number
EP03809694A
Other languages
German (de)
English (en)
Other versions
EP1556188A1 (fr
Inventor
Doris Reich
Steffen Wuensch
Tobias Lutz
Christoph Cramer
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch 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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP1556188A1 publication Critical patent/EP1556188A1/fr
Application granted granted Critical
Publication of EP1556188B1 publication Critical patent/EP1556188B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
    • B24B55/06—Dust extraction equipment on grinding or polishing machines
    • B24B55/10—Dust extraction equipment on grinding or polishing machines specially designed for portable grinding machines, e.g. hand-guided
    • B24B55/102—Dust extraction equipment on grinding or polishing machines specially designed for portable grinding machines, e.g. hand-guided with rotating tools

Definitions

  • the invention is based on a dust collecting container for a hand tool, in particular electric hand grinding machine, according to the preamble of claim 1.
  • the WO 00/73016 A shows a dust collection container for an electric hand tool machine designed as an orbital sander, with an inlet nozzle, which has a connection opening and an orifice, wherein the inlet nozzle extends with its mouth opening partially into a lower region of the dust collection chamber.
  • the invention has for its object to provide a dust collection container, which has a short length and with a large Stauber appliedsgrad is achieved.
  • the mouth opening of the inlet nozzle is located near the remote from the connection opening of the inlet nozzle, the rear boundary wall of the dust collection chamber.
  • the mouth opening of the inlet nozzle is located near the rear boundary wall of the dust collection chamber facing away from the connection opening of the inlet nozzle and is arranged there so that the axis of the mouth opening is directed onto the boundary wall.
  • the dust collecting chamber of an open-topped, box-like housing and a the housing closing, enclosed by the housing cover included.
  • the inlet pipe is integrated in the housing bottom and the exhaust port is arranged in the lid.
  • the dust filter is attached to the underside of the lid, preferably by ultrasonic welding, wherein the dust filter is preferably designed as a pleated filter.
  • the inlet nozzle is conical and tapers from the connection opening to the mouth opening, which has a positive effect on the air velocity in the inlet nozzle and the associated dust transport.
  • latching hooks are provided for locking in corresponding locking recesses in the machine housing on the housing.
  • These latching hooks are preferably integrally molded onto the side walls of the housing and protrude beyond its front side facing the machine housing.
  • the lid has an attachable to the housing, elastic edge with air sealing function.
  • the cover carrying the dust filter seals the housing dust-tight and can be easily removed from the housing and put back to empty the dust collection chamber.
  • the in Fig. 1 shown in side view eccentric grinder as an exemplary embodiment of an electric hand grinder has a machine housing 11, on the underside of a sanding pad 12 is arranged, which is assignable with an abrasive sheet and is rotationally driven.
  • the resulting during grinding sanding dust is sucked by means of a arranged on the drive shaft of the sanding pad 12, not visible here fan wheel through the sanding pad 12 and blown out via a on the machine housing 11 integrally formed dust exhaust pipe 13.
  • the detachably attached to the machine housing 11 dust collection container 14, the in Fig. 1 in side view and partially cut, in Fig. 2 in longitudinal section and in the Fig. 3-5 in its individual parts, comprises a top-open, box-like housing 15 ( Fig. 4 ) and one on the housing 15th attachable lid 16 ( Fig. 3 ), which closes off the housing 15 in a dustproof and airtight manner and, together with the housing 15, encloses a dust collecting chamber 17.
  • an exhaust port 18 is recessed, which is covered by a web grid 19.
  • exhaust vent and web grid 19 extend almost over the entire open top of the housing 15.
  • the lid 16 has a circumferential, elastic edge 161, which has approximately U-profile and on the peripheral end edge of the Housing 15 is pressed ( Fig. 1 ).
  • a dust filter 20 is attached on the dust collection chamber 17 facing bottom of the lid 16.
  • the dust filter 20 is preferably designed as a folded filter and fixed by means of ultrasonic welding to the lid 16.
  • an inlet port 21 is integrated, which has a connection opening 22 for attachment to the dust discharge port 13 of the machine housing 11 and a mouth opening 23 to the dust collection chamber 17 out.
  • the inlet port 21 is conical and tapers its cross section from the connection opening 22 toward the mouth opening 23.
  • connection opening 22 is set back relative to the attachable to the machine housing 11 end wall 151, and the mouth opening 23 is close to the side facing away from the connection opening 22, the rear housing wall 152th the housing 15, wherein the axis of the mouth opening 23 is directed to the rear housing wall 152.
  • the housing 15 is the same as the lid 16 made by injection molding of plastic, wherein the housing bottom 153 extending inlet port 21 is formed with the same. Integral with molded on the housing 15 are two latching hooks 24 (FIG. Fig. 4 ) which protrude from the side walls of the housing 15 via the front end wall 151 and in correspondingly shaped recesses in the machine housing 11 can be latched.
  • the lid 16 is clamped with bottom dust filter 20 on the housing 15 and the completed dust collection container 14 with its bottom inlet port 21 on the dust discharge pipe 13 on the machine housing 11 until the latch hooks 24 in the corresponding Engage locking recesses in the machine housing 11. Inserted between the inlet port 21 and the dust discharge port 13 ring seals 26, 27 provide a dust-tight connection of the dust collection container 14 to the dust discharge port 13th
  • the dusty air stream sucked through the rotating fan wheel in the machine housing 11 through the sanding pad 12 and blown out via the dust discharge port 13 is conveyed into the inlet port 21 and enters the dust collecting chamber 17 near the rear housing wall 152 of the housing 15.
  • the air flow flows through the dust collecting chamber 17 and leaves through the dust filter 20 through the exhaust port 18, the dust collecting container 14.
  • the dust is retained, and the dust is reflected in the dust collecting chamber 17 down.
  • the large-area design of the exhaust port 18 and the arrangement of the mouth opening 23 of the inlet port 21 thereby ensure a largely uniform deposition of the dust in the dust collection chamber 17th
  • FIG. 2 How out Fig. 2 can be seen, are inlet port 21, dust collection chamber 17, dust filter 20 and exhaust port 18 in working position of the electric hand grinder one above the other, making the dust collector 14 is very compact and does not hinder the handling of electric hand grinder or otherwise adversely affected.
  • the latching hooks 24 and by forming the front end wall 151 of the housing 15 such that it rests positively latched latching hook 24 on the machine housing 11, a reliable and secure hold of the dust collecting container 14 on Machine housing 11 ensures. If the housing 15 with its lid 16 is still adapted in its shape to the outer contours of the machine housing 11, a design-optimized unit comprising an electric hand grinding machine and a dust collecting container 14 is obtained.
  • the described dust collector 14 is not only suitable for use in the described electric hand grinder. Rather, it can be used in every electric hand tool machine for removal machining of workpieces, with which therefore material is removed from the workpiece by machining a workpiece. Further examples of such electric hand tool machines are e.g. electric hand planer or electric hand sawing machines.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding-Machine Dressing And Accessory Apparatuses (AREA)
  • Portable Power Tools In General (AREA)

Claims (9)

  1. Récipient de collecte de poussière pour une machine-outil manuelle électrique, en particulier une rectifieuse manuelle électrique, comprenant une chambre collectrice de poussière (17), une tubulure d'entrée (21), qui présente une ouverture de raccordement (22) à ajuster contre une tubulure d'éjection de poussière (13) de la machine, et une ouverture d'embouchure (23) vers la chambre collectrice de poussière (17), une ouverture d'évent (18) et un filtre à poussière (20) disposé entre la chambre collectrice de poussière (17) et l'ouverture d'évent (18), la tubulure d'entrée (21) s'étendant dans la région inférieure de la chambre collectrice de poussière (17) et le filtre à poussière (20) et l'ouverture d'évent (18) étant disposés l'un au-dessus de l'autre au-dessus de la chambre collectrice de poussière (17), caractérisé en ce que l'ouverture d'embouchure (23) de la tubulure d'entrée (21) se situe à proximité de la paroi de limitation arrière (152) de la chambre collectrice de poussière (17) détournée de l'ouverture de raccordement (22) de la tubulure d'entrée (21).
  2. Récipient selon la revendication 1, caractérisé en ce que la chambre collectrice de poussière (17) fait saillie au-delà de l'ouverture de raccordement (23) de la tubulure d'entrée (21).
  3. Récipient selon la revendication 1 ou 2, caractérisé en ce que la chambre collectrice de poussière (17) est enfermée par un boîtier (15) ouvert, en forme de caisse, et un couvercle (16) fermant le boîtier (15), en ce que la tubulure d'entrée (21) est intégrée dans le fond du boîtier (153) et en ce que l'ouverture d'évent (18) est disposée dans le couvercle (16).
  4. Récipient selon la revendication 3, caractérisé en ce que l'ouverture d'évent (18) s'étend sur tout le couvercle (16) et est recouverte par une grille nervurée (19).
  5. Récipient selon la revendication 3 ou 4, caractérisé en ce que le filtre à poussière (20) est fixé sur le côté inférieur du couvercle (16), de préférence par soudage par ultrasons.
  6. Récipient selon l'une quelconque des revendications 3 à 5, caractérisé en ce que le couvercle (16) présente un bord élastique périphérique pouvant être posé sur le boîtier (15), avec une fonction d'étanchéité de l'air.
  7. Récipient selon l'une quelconque des revendications 3 à 6, caractérisé en ce que des crochets d'encliquetage (23) pour l'encliquetage dans des évidements d'encliquetage correspondants de la machine sont prévus sur le boîtier (15).
  8. Récipient selon l'une quelconque des revendications 3 à 7, caractérisé en ce que le boîtier (15) avec son couvercle (16) est adapté aux contours extérieurs de la machine.
  9. Récipient selon la revendication 7 ou 8, caractérisé en ce que la paroi frontale (151) du boîtier (15), limitée par les crochets d'encliquetage (24), est réalisée pour s'appliquer par engagement par correspondance géométrique contre la machine.
EP03809694A 2002-10-22 2003-07-04 Recipient de collecte de poussiere pour machine-outil manuelle electrique Expired - Lifetime EP1556188B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10249140A DE10249140A1 (de) 2002-10-22 2002-10-22 Staubauffangbehälter für eine Elektrohandwerkzeugmaschine
DE10249140 2002-10-22
PCT/DE2003/002240 WO2004039539A1 (fr) 2002-10-22 2003-07-04 Recipient de collecte de poussiere pour machine-outil manuelle electrique

Publications (2)

Publication Number Publication Date
EP1556188A1 EP1556188A1 (fr) 2005-07-27
EP1556188B1 true EP1556188B1 (fr) 2009-02-18

Family

ID=32087090

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03809694A Expired - Lifetime EP1556188B1 (fr) 2002-10-22 2003-07-04 Recipient de collecte de poussiere pour machine-outil manuelle electrique

Country Status (6)

Country Link
US (1) US7553217B2 (fr)
EP (1) EP1556188B1 (fr)
JP (1) JP4416659B2 (fr)
CN (1) CN100457395C (fr)
DE (2) DE10249140A1 (fr)
WO (1) WO2004039539A1 (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10347849B4 (de) * 2003-10-10 2016-04-28 Robert Bosch Gmbh Exzenterschleifhandwerkzeugmaschine
DE102006026768A1 (de) 2006-06-09 2007-12-13 Robert Bosch Gmbh Staubfiltervorrichtung
DE102006061635A1 (de) * 2006-12-27 2008-07-03 Robert Bosch Gmbh Handgeführte Werkzeugmaschine
DE102007018234A1 (de) 2007-04-18 2008-10-23 Robert Bosch Gmbh Staubauffangbehälter
DE102008009277A1 (de) * 2008-02-15 2009-08-20 Metabowerke Gmbh Elektrohandwerkzeuggerät mit Staubschutz
US8967923B2 (en) 2012-01-13 2015-03-03 Aeg Electric Tools Gmbh Dust suction device for drilling machine
US9776296B2 (en) 2008-05-09 2017-10-03 Milwaukee Electric Tool Corporation Power tool dust collector
JP5209374B2 (ja) * 2008-05-29 2013-06-12 株式会社マキタ ダストボックス及び電動工具
CN102554891B (zh) * 2011-12-31 2014-10-15 南京德朔实业有限公司 集屑盒
USD741557S1 (en) 2014-01-15 2015-10-20 Milwaukee Electric Tool Corporation Dust collector
USD742081S1 (en) 2014-01-15 2015-10-27 Milwaukee Electric Tool Corporation Dust collector
USD863913S1 (en) * 2018-05-23 2019-10-22 Zhuhai Sharp-Group Enterprise Co., Ltd. Triangular sander
DE102018210567A1 (de) * 2018-06-28 2020-01-02 Robert Bosch Gmbh Schleifblock zur manuellen Anwendung sowie System umfassend Schleifblock und Schleifartikel
USD900573S1 (en) * 2019-05-06 2020-11-03 Shenzhen Aukeyhi Technology co., Ltd. Sander
CN114274049B (zh) * 2022-01-10 2023-03-21 常州赛迪工具有限公司 一种电动工具吸尘结构及具有其的手持式电动砂光机

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Also Published As

Publication number Publication date
US20050202767A1 (en) 2005-09-15
JP4416659B2 (ja) 2010-02-17
JP2006503719A (ja) 2006-02-02
WO2004039539A1 (fr) 2004-05-13
DE50311200D1 (de) 2009-04-02
EP1556188A1 (fr) 2005-07-27
CN1688412A (zh) 2005-10-26
US7553217B2 (en) 2009-06-30
CN100457395C (zh) 2009-02-04
DE10249140A1 (de) 2004-05-06

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