EP1163082B1 - Meuleuse d'angle - Google Patents

Meuleuse d'angle Download PDF

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Publication number
EP1163082B1
EP1163082B1 EP00987167A EP00987167A EP1163082B1 EP 1163082 B1 EP1163082 B1 EP 1163082B1 EP 00987167 A EP00987167 A EP 00987167A EP 00987167 A EP00987167 A EP 00987167A EP 1163082 B1 EP1163082 B1 EP 1163082B1
Authority
EP
European Patent Office
Prior art keywords
rib
shell
angle grinder
gearbox
mounting
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
EP00987167A
Other languages
German (de)
English (en)
Other versions
EP1163082A1 (fr
Inventor
Roland Walz
Peter Stierle
Ralph Dammertz
Maria-Margareta Sulea
Stefan Heess
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 EP1163082A1 publication Critical patent/EP1163082A1/fr
Application granted granted Critical
Publication of EP1163082B1 publication Critical patent/EP1163082B1/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
    • B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
    • B24B23/02—Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating grinding tools; Accessories therefor
    • B24B23/028—Angle tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
    • B25F5/02—Construction of casings, bodies or handles

Definitions

  • the invention is based on an angle grinder according to the preamble of claim 1.
  • the angle grinder according to the invention with the features of claim 1 has the advantage of a simpler installation and thus a cheaper product. Due to the design of the motor housing in shell construction with a gear housing receptacle on the mounting shell and cover shell, a transmission housing having a puncture, with a first rib of the mounting shell and a second rib of the lid shell are engaged.
  • the transmission housing is preferably made of metal.
  • the motor housing is preferably made of plastic.
  • annular rib contour is provided on the shells of the engine or machine housing, which can be brought into engagement with punctures of the transmission housing.
  • Particularly preferred additionally secure two transverse screws, the motor housing relative to the transmission housing.
  • first rib and / or the second rib of the gear housing receptacle from a plurality of sub-ribs, preferably three pieces are formed.
  • screw domes are arranged between the individual sub-ribs.
  • Another advantage of this is that it can be formed on the sub-ribs a fixing element for an armature bearing, which is preferably integrally formed for reasons of stability with the first and / or second rib.
  • first and / or second rib as two mutually parallel single ribs, which are interconnected via a web, is advantageous with regard to the weight saving of the two shells of the mounting housing.
  • a gear housing in which the recess or the Operaeinstiche are U-shaped.
  • the U-shaped design creates a secure, easier, yet stable connection between the gearbox and the motor housing.
  • the recess has recesses, in particular between the Detaileinstichen that serve to accommodate screw domes on the mounting cup or cover shell.
  • the provided screw connections are provided directly adjacent to the interventions and thus the force transmission during the screwing of the housing parts acts precisely at the locations where the connection means of the transmission housing and the motor housing are provided.
  • FIG. 1 shows an assembly shell 10 of a motor housing 1 (see FIGS. 5 and 6 ) in the region of their opening, with which they when assembling a small angle grinder with a gear housing 2 (see Figures 3-6 ) is connected.
  • a first rib 100 is arranged, which protrudes like a rail over the inner surface of the mounting cup 10 in detoxungssichtung upwards.
  • the first rib 100 is divided into three sub-ribs 101-103. Between the individual sub-ribs 101-103, a first and second screw dome 107, 108 are arranged. The two screw domes 107, 108 are made integral with the individual sub-ribs 101-103.
  • the individual sub-ribs 101-103 each have a first single rib 104 and a second single rib 105, which are arranged parallel to one another. As a result, weight is saved because the first rib 100 is not solid is.
  • the stability of the first rib 100 is ensured by at least one first web 106 connecting the first single rib 104 to the second single rib 105. Due to the described embodiment of the first rib 100, this has a U-shape.
  • the second sub-rib 102 extending between the two screw domes 107, 108 projects beyond the inner surface of the mounting cup 10 substantially at a constant height.
  • this height continuously changes outward from the respective screw domes 107, 108 from which they originate.
  • this height substantially reaches the plane formed by contact surfaces 109 of the mounting shell 10, with which they are provided with a cover shell 11 (see FIG FIG. 2 ) is brought into contact during assembly of the housing.
  • a first fixing element 130 and a second fixing element 131 are arranged, which are for the axial securing of an armature bearing 3 (see FIG. 6 ) serve.
  • the two fixing elements 130, 131 protrude beyond the inside of the mounting shell 10 into the plane of the first contact surface 109, as do the first and second sub-ribs 101, 103.
  • the two fixing elements 130, 131 are each adjacent to them Screw dome 107, 108 connected via a connecting web, so that they are integrally formed in addition to the integral formation with the second part rib 102 with these.
  • FIG. 2 shows a portion of the lid shell 11, which is substantially mirror images of the in FIG. 1 shown Area of the mounting cup 10 is formed. Corresponding parts are provided with reference numerals which are higher by 10 than those belonging to the mounting shell 10. A difference between the parts of the cover shell 11 and the mounting shell 10 is only insofar that when the cover shell 11 is placed on the mounting cup 10, the third screw dome 117 of the cover shell 11 is formed so that the first screw dome 107 of the mounting cup 10 engage in it can. The same applies to the fourth screwdriver 118 of the cover shell 11 and the second screwdriver 108 of the mounting shell 10.
  • the cover shell 11 has a second contact surface 119 with which it can be brought into contact with the first contact surface 109 of the mounting shell 10 in the assembled state of the motor housing 1.
  • this state of the motor housing 1 following parts of the mounting shell 10 and the cover shell 11 have contact: the first sub-rib 101 with the fourth sub-rib 111, the third sub-rib 103 with the sixth sub-rib 113, the first fixing member 130 with the third fixing member 140 and the second fixing member 131 with the fourth fixing member 141.
  • the Figures 3 and 4 show a transmission housing 2 in different views.
  • a recess 20 is formed in the area of the transmission housing 2, in which it is connected to the motor housing 1 (see FIGS. 5 and 6 ).
  • the groove 20 is divided into four Operaeinstiche 200-204, which are all formed on a circular arc aligned with each other.
  • the first Moleinstich 200 and the third Parteinstich 202 are diametrically opposed to this circle, as are the second Operaeinstich 201 and the fourth Operaeinstich 203.
  • the respectively opposite Operaeinstiche 200, 202 and 201, 203 are each configured substantially symmetrical to each other.
  • the four partial insets 200-203 are each formed as substantially U-shaped grooves.
  • FIG. 5 shows the housing in its fully assembled state.
  • the motor housing 1 has two shells, the mounting shell 10 and the cover shell 11, on. These two shells are connected to the transmission housing 2.
  • the second sub-rib 102 of the mounting shell 10 engages with its first single rib 104 and its second single rib 105 positively in the fourth Operaeinstich 203 of the gear housing 2 a.
  • the second rib 110 of the cover shell 11 engages with its fifth sub-rib 112 in the fourth Operaeinstich 201 of the transmission housing 2 a.
  • Both the third single rib 114 and the fourth single rib 115 lie in a form-fitting manner in the U-shaped second part of Amsterdaminstich 201. This is used for secure fixation of the gear housing 2 to the motor housing. 1
  • FIG. 6 an additional fuse is shown, which contributes to fixing the position of the gear housing to the motor housing 1.
  • the first sub-rib 101 of the mounting shell 10 is positively brought into engagement with the first Parteinstich 200 of the gear housing 2.
  • the third sub-rib 103 of the mounting shell 10 is brought into positive engagement with the third Operaeinstich 202 of the gear housing 2.
  • the two screw domes 107, 108 of the mounting shell 10 are guided through the fourth recess 207 and third recess 206 of the gear housing 2.
  • the mirror image of the mounting cup 10 arranged lid shell 11, in the section of the FIG. 6 not shown, has the corresponding means for fixing.
  • the two fixing elements 130, 131 of the Mounting shell 10 serve as a stop for an anchor bearing 3, which is thus securely fixed in the axial direction.
  • the assembly of the mounting shell 10, the cover shell 11 and the gear housing 2 to a unitary housing is as follows:
  • the gear housing 2 is inserted. In doing so, as in the FIGS. 5 and 6 In addition, the two screw domes 107, 108 of the mounting shell 10 engage in the fourth and third recesses 207, 206 of the transmission housing 2.
  • the cover shell 11 is pushed onto the mounting shell 10 and the gear housing 2 along the alignment of the first and second screw domes 107, 108 of the mounting shell 10 on the device preassembled in this way.
  • the fourth to sixth sub-rib 111-113 of the cover shell 11 engage in the corresponding Operaeinstiche 200-202 of the gear housing 2 a.
  • the two screw domes 117, 118 of the cover shell 11 engage through the first recess 204 and the second recess 205 of the transmission housing 2.
  • the cover shell 11 is pushed onto the preassembled device until its second contact surface 119 is in contact with the first contact surface 109 of the mounting shell 10.
  • first part rib 101 with the fourth part rib 111 the third part rib 103 with the sixth part rib 113, the first screw dome 107 with the third screw dome 117, the second screw dome 108 with the fourth screw dome 118 that first fixing element 130 with the third Fixing element 140 and the second fixing member 131 with the fourth fixing member 141 in contact.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gear Transmission (AREA)
  • General Details Of Gearings (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Motor Or Generator Frames (AREA)

Claims (9)

  1. Meuleuse d'angle comportant une coque de montage et une coque formant capot (10, 11) d'un boîtier de moteur (1),
    caractérisée en ce que
    la coque de montage et la coque de capot (10, 11) comportent chacune dans sa zone de liaison au boîtier de la meuleuse d'angle (2), respectivement au moins une première nervure (100) sur la coque de montage (10) et une seconde nervure (110) sur la coque de capot (11), ces coques étant mises en prise par au moins une partie en contre dépouille (20) du boîtier de transmission (2).
  2. Meuleuse d'angle selon la revendication 1,
    caractérisée en ce que
    la première nervure (100) et/ou la seconde nervure (110) comportent chacune trois parties de nervure (101-103; 111-113), les parties de nervure (101-103; 111-113) étant respectivement alignées.
  3. Meuleuse d'angle selon les revendications précédentes,
    caractérisée en ce que
    la première nervure (100) et/ou la seconde nervure (110) ont chacune deux nervures simples, parallèles entre elles (104, 105; 114, 115), qui sont notamment reliées par l'intermédiaire d'une entretoise (106 ; 116).
  4. Meuleuse d'angle selon les revendications précédentes,
    caractérisée en ce qu'
    au moins une cheminée à vis (107, 108; 1117, 118) est issue de la première nervure (100) et/ ou de la seconde nervure (110).
  5. Meuleuse d'angle selon les revendications précédentes,
    caractérisée en ce qu'
    elle comporte au moins un élément de fixation (130, 131; 132, 133) pour un palier d'induit réalisé de préférence en une seule pièce avec la première et/ ou la seconde nervure (100 ; 110).
  6. Meuleuse d'angle selon les revendications précédentes,
    caractérisée en ce que
    la partie en contredépouille (20) du boîtier de transmission (2) comporte de préférence quatre parties en contredépouille divisées (200-203) alignées notamment sur un unique cercle.
  7. Meuleuse d'angle selon la revendication 6,
    caractérisée en ce que
    la partie en contredépouille (20) et/ou les parties en contredépouille divisées (200-203) ont une forme de U.
  8. Meuleuse d'angle selon la revendication 6 ou 7,
    caractérisée en ce que
    la partie en contredépouille (20) comporte des cavités (204, 207) en particulier entre les parties en contredépouille divisées (200, 203) pour recevoir les cheminés à vis (104, 105; 114, 115) sur la coque de montage (10) ou la coque de capot (11).
  9. Procédé de montage d'un boîtier de transmission sur un boîtier de moteur comportant une coque de montage et une coque de capot (10, 11) d'une meuleuse d'angle selon les revendications 1 à 8,
    comprenant les étapes suivantes :
    - Mise en place du boîtier de transmission (2) dans la coque de montage (10) avec un logement de boîtier de transmission,
    - Assemblage de la coque de capot (11) comportant un logement de boîtier de transmission selon l'une des revendications 1 à 6 avec la coque de montage (10) dans laquelle est placé le boîtier de transmission (2) vers le boîtier de moteur (1); et
    - Fixation de la coque de capot (11) sur la coque de montage (10).
EP00987167A 2000-01-10 2000-11-18 Meuleuse d'angle Expired - Lifetime EP1163082B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE2000100700 DE10000700A1 (de) 2000-01-10 2000-01-10 Winkelschleifer
DE10000700 2000-01-10
PCT/DE2000/004082 WO2001051249A1 (fr) 2000-01-10 2000-11-18 Meuleuse d'angle

Publications (2)

Publication Number Publication Date
EP1163082A1 EP1163082A1 (fr) 2001-12-19
EP1163082B1 true EP1163082B1 (fr) 2008-09-17

Family

ID=7627098

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00987167A Expired - Lifetime EP1163082B1 (fr) 2000-01-10 2000-11-18 Meuleuse d'angle

Country Status (4)

Country Link
EP (1) EP1163082B1 (fr)
CN (1) CN1174835C (fr)
DE (2) DE10000700A1 (fr)
WO (1) WO2001051249A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10231249B4 (de) * 2002-07-11 2008-04-30 Robert Bosch Gmbh Handwerkzeugmaschine
DE102008000737A1 (de) 2008-03-18 2009-09-24 Robert Bosch Gmbh Handwerkzeugmaschine, insbesondere handgeführte Schleifmaschine
CN103978467A (zh) * 2014-05-22 2014-08-13 姚丽 一种模具电磨用壳体
CN110227940B (zh) * 2019-07-12 2024-10-18 金华德器自动化科技有限公司 一种角磨机的装配设备

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5372420A (en) * 1993-03-11 1994-12-13 Black & Decker Inc. Device having rotatable head
DE29512161U1 (de) * 1995-07-28 1996-11-28 Robert Bosch Gmbh, 70469 Stuttgart Handwerkzeugmaschine mit Winkelgetriebe
DE19608360A1 (de) * 1996-03-01 1997-09-04 Fein C & E Motorbetriebenes Handwerkzeug
DE29702947U1 (de) * 1997-02-21 1998-06-18 Robert Bosch Gmbh, 70469 Stuttgart Winkelschleifer
AU7474498A (en) * 1998-05-15 1999-12-06 Chen, Chung-Chin A multi-usage electric tool with angle-changeable grip

Also Published As

Publication number Publication date
DE10000700A1 (de) 2001-07-12
WO2001051249A1 (fr) 2001-07-19
CN1349445A (zh) 2002-05-15
DE50015362D1 (de) 2008-10-30
CN1174835C (zh) 2004-11-10
EP1163082A1 (fr) 2001-12-19

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