JP3279541B2 - Portable work machine bearing device - Google Patents
Portable work machine bearing deviceInfo
- Publication number
- JP3279541B2 JP3279541B2 JP17435199A JP17435199A JP3279541B2 JP 3279541 B2 JP3279541 B2 JP 3279541B2 JP 17435199 A JP17435199 A JP 17435199A JP 17435199 A JP17435199 A JP 17435199A JP 3279541 B2 JP3279541 B2 JP 3279541B2
- Authority
- JP
- Japan
- Prior art keywords
- boss
- bearing device
- support plate
- ribs
- rib
- 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 - Fee Related
Links
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D34/00—Mowers; Mowing apparatus of harvesters
- A01D34/835—Mowers; Mowing apparatus of harvesters specially adapted for particular purposes
- A01D34/90—Mowers; Mowing apparatus of harvesters specially adapted for particular purposes for carrying by the operator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
- F02B63/02—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for hand-held tools
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Harvester Elements (AREA)
- Motor Or Generator Frames (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Forklifts And Lifting Vehicles (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Description
【0001】[0001]
【産業上の利用分野】本発明は、特に請求項1の前提部
分に記載の携帯可能な作業機械の軸受装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The invention relates to a bearing device for a portable work machine, in particular to the preamble of claim 1.
【0002】[0002]
【従来の技術】ドイツ特許公開第19,608,793
号公報には、周りを囲んでいる周縁部を具備するほぼ三
角形部およびその中央範囲に配置されたボス部を有する
駆動原動機用支持板を備える、背中に携帯可能な作業機
械、特に刈り込み機が記載されている。2. Description of the Prior Art German Patent Publication No. 19,608,793.
The publication discloses a work machine, especially a pruning machine, which is portable on the back, comprising a support plate for a driving motor having a substantially triangular portion having a peripheral portion surrounding the boss and a boss portion disposed in a central region thereof. Has been described.
【0003】支持板は、駆動原動機を弾性的に支持しか
つ刈り込み機の柔軟性ある操作を保証する駆動原動機の
弾性的装着ならびにその旋回装置として機能する。同支
持板は、かなり重量のある溶接鋼板構造として形成され
ているが、これは特に携帯可能な機械の場合には欠点と
なるものである。[0003] The support plate functions as a resilient mounting of the drive motor and its pivoting device, which elastically supports the drive motor and ensures flexible operation of the mowing machine. The support plate is formed as a heavily welded steel plate structure, which is a disadvantage, especially in the case of portable machines.
【0004】[0004]
【発明が解決しようとする課題】本発明の課題は、重量
が小さくかつ製造の簡単な手動操作の刈り込み機の駆動
原動機用支持板を提案することである。SUMMARY OF THE INVENTION It is an object of the present invention to propose a support plate for a drive motor of a manually operated pruner which is light in weight and simple to manufacture.
【0005】[0005]
【課題を解決するための手段】前記の課題は、本発明に
より、支持板が一体的の軽鋳造部品として構成され、そ
してボス部がこれを周縁部と結合するリブにより補強さ
れており、隣接するリブの内外周縁が、交互に外側面と
内側面とにより結合されていることにより解決される。SUMMARY OF THE INVENTION According to the present invention, the support plate is constructed as an integral light cast part, and the boss is reinforced by ribs connecting it to the peripheral edge. This is solved by the fact that the inner and outer peripheral edges of the ribs are alternately connected by the outer surface and the inner surface.
【0006】支持板を軽金属鋳造により一体的に形成す
ることにより、組立過程および溶接継目がなくなる。そ
れによって、構造的費用および径時的破損の危険が減少
する。リブは、所要の剛性を保証する。By integrally forming the support plate by light metal casting, the assembly process and the weld seam are eliminated. Thereby, the structural costs and the risk of temporal damage are reduced. The ribs ensure the required stiffness.
【0007】マグネシュウムまたは合成物質を用いての
圧力鋳造法により、支持板の重量が減少する。周りを囲
んでいる丸められた周縁部およびこの周縁部の方へ先細
りとなっているリブを備える、請求項に記載の支持板の
構成に対して同じことが妥当する。本発明により、隣接
するリブの周縁部を交互に外側面と内側面とにより結合
することにより、ほぼ波形模様の、閉鎖性かつ曲げ剛性
の高い支持板が得られる。[0007] Pressure casting with magnesium or synthetic materials reduces the weight of the support plate. The same applies to the configuration of the support plate according to the claims, comprising a rounded perimeter surrounding it and a rib tapering towards this perimeter. ADVANTAGE OF THE INVENTION According to this invention, the peripheral part of an adjacent rib is alternately joined by the outer side surface and the inner side surface, and the substantially corrugated-shaped, highly closed and highly rigid support plate is obtained.
【0008】支持板の隅角部を指向しかつ境界面まで達
する第1のリブ対により、主応力方向における支持板の
曲げ剛性が高められる。支持板の3つの隅角部範囲で合
流開口部として構成された円形開口部が、駆動原動機の
弾性装着のための弾性要素の組立ておよび装着の用をな
す。The first pair of ribs, which are directed to the corners of the support plate and reach the boundary surface, increase the bending rigidity of the support plate in the main stress direction. Circular openings, which are configured as converging openings in the three corner areas of the support plate, serve for assembling and mounting the elastic elements for elastic mounting of the drive motor.
【0009】半径方向のウエッブを介して外側ボス部分
と内側ボス部分との間を結合することにより、ボス部範
囲に材料が過大に集積することおよびこれと結びついた
鋳物引け巣の形成が阻止される。The connection between the outer boss portion and the inner boss portion via the radial web prevents excessive accumulation of material in the area of the boss and the associated formation of casting shrinkage cavities. You.
【0010】本発明のその他の構成は、従属請求項、以
下に述べる説明および本発明の実施例を示す図により明
らかにされる。Further features of the invention are evident from the dependent claims, the following description and the figures illustrating an embodiment of the invention.
【0011】図1は、支持板1の内側部2を示す。支持
板1は、ほぼ三角形状に構成されている。支持板1は中
央ボス部3を有し、この中央ボス部3からリブがほぼ一
様な配分にて放射状に、すなわち半径方向に周りを囲ん
でいる周縁部4まで延びている。その際、第1のリブ5
はそれぞれ対をなして支持板1の3つの隅角部範囲まで
延び、そして第2のリブ6はそれぞれ対をなして周りを
囲んでいる周縁部4の前記隅角部間にある範囲まで延び
ている。FIG. 1 shows the inner part 2 of the support plate 1. The support plate 1 has a substantially triangular shape. The support plate 1 has a central boss 3 from which the ribs extend in a substantially uniform distribution radially, i.e. radially, to a peripheral edge 4. At this time, the first rib 5
Each extend in pairs to the three corner areas of the support plate 1 and the second ribs 6 extend in pairs to the area between the corners of the surrounding rim 4 respectively. ing.
【0012】3つの隅角部範囲には、円形の開口部7が
これに間隔を置いて配置された孔8とともに設けられて
いる。ボス部3は、外側ボス部分9とこれに同軸にある
内側ボス部分10とよりなる。両ボス部分9、10は、
半径方向のウエブ11とカラー部12(図3参照)を介
して互いに結合されている。ボス部分9、10の間の中
間空間は、材料集積により起こり得る鋳物引け巣の形成
を防止する。In the three corner areas, a circular opening 7 is provided with holes 8 spaced apart therefrom. The boss portion 3 includes an outer boss portion 9 and an inner boss portion 10 coaxial with the outer boss portion 9. Both boss parts 9, 10
They are connected to one another via a radial web 11 and a collar 12 (see FIG. 3). The intermediate space between the boss parts 9, 10 prevents the formation of casting shrinkage cavities that can occur due to material accumulation.
【0013】図2には、半径方向のウエブ11、周りを
囲んでいる周縁部4および孔8を具備する円形開口部7
の範囲におけるボス部3の横断面、ならびにリブ5、6
の形状を示す。FIG. 2 shows a circular web 7 with a radial web 11, a surrounding rim 4 and a hole 8.
And the ribs 5 and 6
Is shown.
【0014】ボス部3の延長部として、図示しない球軸
受の内側リング用段部13が設けられている。前記内側
リングは、ボス部3の同軸にあるねじ孔14内にねじ込
み可能な同じく図示しない固定ねじによりボス部3に固
着される。As an extension of the boss 3, an inner ring step 13 of a ball bearing (not shown) is provided. The inner ring is fixed to the boss 3 by a fixing screw (not shown) which can be screwed into a screw hole 14 coaxial with the boss 3.
【0015】周りを囲んでいる周縁部4は、内側部2の
境界をなす境界面16に垂直をなす円筒状部分15と、
ボス部3に対し90°曲げられている部分17よりな
る。周縁部4の両部分15、17は、合わせてボス部3
のほぼ半分の高さである。A peripheral edge 4 surrounding the periphery has a cylindrical portion 15 perpendicular to a boundary surface 16 bounding the inner portion 2,
It comprises a portion 17 which is bent 90 ° with respect to the boss 3. The two portions 15 and 17 of the peripheral portion 4 are combined with the boss 3
Is almost half the height of
【0016】円形開口部7は、合流開口部として構成さ
れている。同開口部7は、孔8とともに平坦な凹部18
に配置され、そして境界面16に対し垂直に指向する。The circular opening 7 is configured as a merging opening. The opening 7 has a flat recess 18 together with the hole 8.
And oriented perpendicular to the interface 16.
【0017】リブ5、6は、同じく境界面16に垂直に
配置され、ボス部3から周りを囲んでいる周縁部4へそ
れらの高さを減少させている。第2のリブ6は鋭角の二
等辺三角形の形状を有し、その底辺はボス部3にあり、
その辺は内外周縁21、22を形成し、その頂点は周り
を囲んでいる周縁部4の曲げられた部分17の内側輪郭
内に終わっている。これに対し、第1のリブ5の高さは
その全長に亘り境界面16まで達し、それによって主応
力方向において高い抵抗モーメントが生起される。The ribs 5, 6 are also arranged perpendicular to the interface 16 and reduce their height from the boss 3 to the surrounding rim 4. The second rib 6 has the shape of an acute isosceles triangle, the bottom of which is at the boss 3,
The sides form the inner and outer edges 21, 22, the vertices of which terminate in the inner contour of the bent part 17 of the surrounding rim 4. On the other hand, the height of the first rib 5 reaches the interface 16 over its entire length, whereby a high resistance moment is generated in the direction of the main stress.
【0018】隣接するリブ5、6の内外周縁21、22
は、外側面19および内側面20により交互に互いに結
合され、また周りを囲んでいる周縁部4の曲げられた部
分17ならびに外側ボス部分9と結合されている。それ
によって、曲げ剛性あるほぼ波形の表面を具備する閉止
された支持板1が生成される。Inner and outer peripheral edges 21, 22 of adjacent ribs 5, 6
Are alternately connected to each other by an outer surface 19 and an inner surface 20 and to the surrounding bent portion 17 of the peripheral edge 4 and to the outer boss portion 9. This produces a closed support plate 1 having a flexurally rigid, substantially corrugated surface.
【0019】図3は、外側ボス部分9と内側ボス部分1
0とを具備するボス部3を1部断面にて示す。前記内外
側ボス部分は、半径方向のウエブ11(図1参照)とカ
ラー部12とを介して互いに結合されている。さらに、
内側面20の1部を断面にて示し、そして円筒状部分1
5と曲げられた部分17とを具備する周縁部4を示して
いる。FIG. 3 shows the outer boss portion 9 and the inner boss portion 1.
The boss portion 3 having 0 is shown in a section. The inner and outer boss portions are connected to each other via a radial web 11 (see FIG. 1) and a collar portion 12. further,
A part of the inner surface 20 is shown in cross section and the cylindrical part 1
5 shows the peripheral edge 4 with 5 and a bent portion 17.
【0020】図4に、支持板1の外側部を斜視図にて示
す。同図には、段部13と、円筒状部分15および曲げ
られた部分17を具備する周縁部4とを備えるボス部
3、ならびに凹部18に付属の孔8を具備する円形の開
口部7とともに、第1のリブ5と第2のリブ6の1部、
ならびにこれらを結合する外側面19および内側面20
が示される。FIG. 4 is a perspective view showing an outer portion of the support plate 1. The figure shows a boss 3 with a step 13 and a peripheral part 4 with a cylindrical part 15 and a bent part 17 and a circular opening 7 with a hole 8 attached to a recess 18. A part of the first rib 5 and the second rib 6,
And an outer surface 19 and an inner surface 20 connecting them.
Is shown.
【0021】支持板1の材料マグネシュウムおよび本発
明によるその形状により、重量が減少し、同時に特にボ
ス部3と円形開口部7との間の主負荷面における高い曲
げ剛性が得られる。重量の減少は、特に携帯用機械では
有利なものである。選択された鋳造構造は、費用の点で
有利でありかつ耐久性がある。The material magnesium of the support plate 1 and its shape according to the invention reduce the weight and at the same time obtain a high bending stiffness, especially at the main load surface between the boss 3 and the circular opening 7. The reduction in weight is particularly advantageous for portable machines. The cast structure selected is cost effective and durable.
【図1】支持板の内側部を示す図である。FIG. 1 is a diagram showing an inner portion of a support plate.
【図2】図1のA−A線による支持板の断面図である。FIG. 2 is a sectional view of the support plate taken along line AA of FIG.
【図3】図1のB−B線による支持板の断面図である。FIG. 3 is a sectional view of the support plate taken along line BB of FIG. 1;
【図4】支持板の外側部を示す斜視図である。FIG. 4 is a perspective view showing an outer portion of the support plate.
1 支持板 2 内側部 3 ボス部 4 周りを囲んでいる周縁部 5 第1のリブ 6 第2のリブ 10 内側ボス部分 11 半径方向のウエブ 12 カラー部 14 ねじ孔 15 円筒部分 16 境界面 17 曲げられた部分 18 凹部 19 外壁部 20 内壁部 21 外周縁 22 内周縁 DESCRIPTION OF SYMBOLS 1 Support plate 2 Inner part 3 Boss part 4 Peripheral part surrounding the circumference 5 First rib 6 Second rib 10 Inner boss part 11 Radial web 12 Collar part 14 Screw hole 15 Cylindrical part 16 Boundary surface 17 Bending Part 18 Recessed part 19 Outer wall part 20 Inner wall part 21 Outer edge 22 Inner edge
フロントページの続き (58)調査した分野(Int.Cl.7,DB名) A01D 34/67 - 34/685 F16M 5/00 Continuation of front page (58) Field surveyed (Int.Cl. 7 , DB name) A01D 34/67-34/685 F16M 5/00
Claims (10)
ほぼ三角形部およびその中央範囲に配置されたボス部
(3)を有する駆動原動機用支持板(1)を備える携帯
可能な作業機、特に刈り込み機、植物噴霧機等のための
軸受装置において、 支持板(1)が一体的の軽鋳造部品として構成され、そ
してボス部(3)がこれを周縁部と結合するリブ(6)
により補強されており、隣接するリブ(5、6)の内外
周縁(21、22)が、交互に外側面(19)と内側面
(20)とにより結合されていることを特徴とする軸受
装置。1. A portable work comprising a drive motor support plate (1) having a substantially triangular portion with a peripheral edge (4) surrounding it and a boss portion (3) located in the central area thereof. In a bearing device for a machine, in particular a pruner, a plant sprayer or the like, the support plate (1) is constructed as an integral light cast part and the boss (3) connects the rib (6) to the periphery. )
And inner and outer peripheral edges (21, 22) of adjacent ribs (5, 6) are alternately connected by an outer surface (19) and an inner surface (20). .
る圧力鋳造部品として構成されていることを特徴とす
る、請求項1に記載の軸受装置。2. The bearing device according to claim 1, wherein the support plate (1) is formed as a pressure-cast component made of magnesium.
(1)の内側部(2)の境界をなす境界面(16)まで
達し、かつボス部(3)の方へ約90°曲げられた部分
(17)へ移行する円筒部分(15)を有し、その場合
両部分(15、17)がボス部(3)の半分の高さを有
することを特徴とする、請求項1または2に記載の軸受
装置。3. A peripheral edge (4) surrounding the periphery reaches a boundary surface (16) bounding the inner portion (2) of the support plate (1), and extends toward the boss (3). Claim: 1 characterized in that it has a cylindrical part (15) which transitions into a 90 ° bent part (17), wherein both parts (15, 17) have half the height of the boss (3). Item 3. The bearing device according to item 1 or 2.
(4)へ半径方向に延びる第1のリブ(5)および第2
のリブ(6)が設けられていることを特徴とする、請求
項1ないし3の1つに記載の軸受装置。4. A first rib (5) and a second rib extending radially from a boss (3) to a peripheral edge (4).
4. A bearing device according to claim 1, wherein the ribs (6) are provided.
持板(1)の3つの隅角部の範囲まで延び、第2のリブ
(6)がそれぞれ対をなして周りを囲んでいる周縁部
(4)の前記隅角部間にある範囲まで延びていることを
特徴とする、請求項4に記載の軸受装置。5. The first ribs (5) each extend in pairs to a range of three corners of the support plate (1), and the second ribs (6) surround each other in pairs. The bearing device according to claim 4, characterized in that it extends to a range between the corners of the peripheral edge (4).
ら周りを囲んでいる周縁部(4)の方へ減少することを
特徴とする、請求項4または5に記載の軸受装置。6. The method according to claim 4, wherein the height of the ribs (5, 6) decreases from the boss (3) toward the surrounding edge (4). Bearing device.
であり内外周縁(21、22)が辺である鋭角の二等辺
三角形として構成され、そして三角形頂点が周縁部
(4)の曲げられた部分(17)の内側輪郭内に終わっ
ていることを特徴とする、請求項6に記載の軸受装置。7. The second rib (6) is formed as an acute isosceles triangle with the boss (3) being the base and the inner and outer peripheries (21, 22) being the sides, and the vertex of the triangle is the periphery ( 7. The bearing device according to claim 6, wherein the end of the bent portion (17) of (4) ends in the inner contour.
(16)まで達していることを特徴とする、請求項6に
記載の軸受装置。8. The bearing device according to claim 6, wherein the first rib extends over its entire length to the boundary surface.
にて、外側面(19)の平坦な凹部(18)に合流開口
部として構成されかつ境界面(16)を指向する円形開
口部(7)が設けられていることを特徴とする、請求項
1ないし8の1つに記載の軸受装置。9. In each of the three corners of the support plate (1), a flat recess (18) on the outer surface (19) is formed as a junction opening and directed to the boundary surface (16). 9. The bearing device according to claim 1, wherein a circular opening (7) is provided.
同軸のねじ孔(14)を具備する内側ボス部分(10)
とを有し、これらボス部分が半径方向のウエブ(11)
とカラー部(12)を介して互いに結合されていること
を特徴とする、請求項1ないし9の1つに記載の軸受装
置。10. An inner boss portion (10) wherein the boss (3) has a threaded hole (14) coaxial with the outer boss portion (9).
And these boss portions are radial webs (11).
10. The bearing device according to claim 1, wherein the bearing device is connected to each other via a collar and a collar.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19831497:3 | 1998-07-14 | ||
DE1998131497 DE19831497B4 (en) | 1998-07-14 | 1998-07-14 | Bearing device for a portable working device |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2000083437A JP2000083437A (en) | 2000-03-28 |
JP3279541B2 true JP3279541B2 (en) | 2002-04-30 |
Family
ID=7873980
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP17435199A Expired - Fee Related JP3279541B2 (en) | 1998-07-14 | 1999-06-21 | Portable work machine bearing device |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP3279541B2 (en) |
DE (1) | DE19831497B4 (en) |
FR (1) | FR2781177B1 (en) |
IT (1) | IT1312300B1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013207158B4 (en) * | 2013-04-19 | 2022-08-11 | Robert Bosch Gmbh | Fastening element for a drive module and drive module and drive system |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE537989C (en) * | 1930-04-12 | 1931-11-09 | Gerhard Wolfram | Portable work device |
JPH05214715A (en) * | 1992-02-04 | 1993-08-24 | Mitsubishi Heavy Ind Ltd | Back-pack blower device |
DE19608793B4 (en) * | 1996-03-07 | 2005-12-29 | Fa. Andreas Stihl | Vibration-damping bearing arrangement for the drive motor of a back-friendly brushcutter |
-
1998
- 1998-07-14 DE DE1998131497 patent/DE19831497B4/en not_active Expired - Lifetime
-
1999
- 1999-05-07 IT ITMI990998 patent/IT1312300B1/en active
- 1999-06-21 JP JP17435199A patent/JP3279541B2/en not_active Expired - Fee Related
- 1999-07-12 FR FR9909003A patent/FR2781177B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE19831497B4 (en) | 2009-04-16 |
ITMI990998A1 (en) | 2000-11-07 |
FR2781177A1 (en) | 2000-01-21 |
JP2000083437A (en) | 2000-03-28 |
IT1312300B1 (en) | 2002-04-10 |
FR2781177B1 (en) | 2004-12-10 |
DE19831497A1 (en) | 2000-01-20 |
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