WO2011121871A1 - 電動トリマ - Google Patents

電動トリマ Download PDF

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Publication number
WO2011121871A1
WO2011121871A1 PCT/JP2011/000511 JP2011000511W WO2011121871A1 WO 2011121871 A1 WO2011121871 A1 WO 2011121871A1 JP 2011000511 W JP2011000511 W JP 2011000511W WO 2011121871 A1 WO2011121871 A1 WO 2011121871A1
Authority
WO
WIPO (PCT)
Prior art keywords
trimmer
base
electric
clamp lever
cam
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.)
Ceased
Application number
PCT/JP2011/000511
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
河内山勝利
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.)
Ryobi Ltd
Original Assignee
Ryobi Ltd
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 Ryobi Ltd filed Critical Ryobi Ltd
Publication of WO2011121871A1 publication Critical patent/WO2011121871A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27C—PLANING, DRILLING, MILLING, TURNING OR UNIVERSAL MACHINES FOR WOOD OR SIMILAR MATERIAL
    • B27C5/00—Machines designed for producing special profiles or shaped work, e.g. by rotary cutters; Equipment therefor
    • B27C5/10—Portable hand-operated wood-milling machines; Routers

Definitions

  • the present invention relates to an electric trimmer in which the cutting depth of a bit can be adjusted.
  • an electric tool called an electric trimmer
  • This type of electric trimmer includes a trimmer body in which a drive motor is housed, a bit that is detachably attached to the trimmer body and is rotationally driven by the drive motor, and a base that slidably holds the trimmer body in an axial direction. It is configured.
  • the bit is rotated by rotating the drive motor, whereby the material to be cut can be grooved or chamfered at the edge. Further, since the trimmer body can be slid in the axial direction with respect to the base and the cutting depth of the bit can be adjusted, it is possible to easily process a groove having a desired depth.
  • Patent Document 1 As a prior art document disclosing this type of electric trimmer, for example, the following Patent Document 1 exists.
  • the mechanism of the prior art is configured to rotate the clamp lever in a plane perpendicular to the axial direction of the trimmer body, the circumferential range that can be easily gripped by the operator in the gripping portion is narrow, The operator had to hold a clamp lever that was difficult to hold. Or an operator had to work in an unreasonable posture by gripping the grip portion while avoiding the clamp lever.
  • the present invention has been made in view of the above-described problems, and an object thereof is to provide a new electric trimmer excellent in operability by facilitating gripping by an operator. .
  • the electric trimmer (100, 200) includes a trimmer main body (10) in which a drive motor (12) is accommodated, and is detachably attached to the trimmer main body (10) and is rotationally driven by the drive motor (12). And a base (20) for gripping the trimmer body (10) so as to be slidable in the axial direction, and a base (20) that is rotatable with respect to the base (20). 20) to clamp the trimmer body (10) by rotating it in a direction approaching 20), and clamp levers (36, 36) to unclamp the trimmer body (10) by rotating in a direction away from the base (20). 44), and the clamp lever (36, 44) is a plane parallel to the axial direction of the trimmer body (10). In is characterized in that the pivot.
  • the electric trimmer (100) is provided on the base (20) and the rotation member (35) which is rotated by the clamp lever (36) and has screws opposite to each other at both ends.
  • a screw member that is respectively engaged with both ends of the slit and formed with screws opposite to each other and screwed into the screw of the rotating member (35), and the clamp lever (36)
  • the rotation member (35) is rotated by the rotation, and the screw member and the rotation member (35) are screwed together to reduce the distance between the both end edges of the slit, whereby the base (20 ) Can be configured to clamp the trimmer body (10).
  • the clamp lever (36) and the rotating member (35) are released from the fixed state, and only the rotating member (35) is rotated, and the screw member and After changing the screwing amount of the rotating member (35), the clamp lever (36) and the rotating member (35) are fixed again, so that the trimmer body (10) and the base (20) are fixed.
  • a clamping force adjusting mechanism for adjusting the clamping force can be provided.
  • the electric trimmer (200) has a contact portion (44a) that rotates together with the clamp lever (44), and a contact portion (44a) that contacts the base (20). And a cam (43) provided at least one of both edge portions of the provided slit so as not to rotate, and the contact portion (44a) is moved to the cam (43) by the rotation of the clamp lever (44). )
  • the base (20) can be configured to clamp the trimmer body (10).
  • the electric trimmer (200) includes a cam that rotates together with the clamp lever (44), and at least one of both end edges of the slit provided in the base (20) while contacting the cam.
  • the cam surface of the cam is moved on the contact portion by the rotation of the clamp lever (44), and between the two edge portions of the slit.
  • the base (20) can be configured to clamp the trimmer body (10).
  • the base (with respect to the trimmer body (10) is adjusted by adjusting the amount of advancement / retraction of the contact portion (44a) in the direction of the cam (43).
  • a clamping force adjusting mechanism for adjusting the clamping force can be provided.
  • the base (with respect to the trimmer body (10) is adjusted by adjusting the amount of advancement / retraction of the cam (43) in the direction of the contact portion (44a).
  • a clamping force adjusting mechanism for adjusting the clamping force can be provided.
  • FIG. 1 is an external front view of the electric trimmer according to the first embodiment.
  • FIG. 2 is an external side view of the electric trimmer according to the first embodiment.
  • FIG. 3 is a longitudinal sectional side view for explaining the internal structure of the electric trimmer shown in FIG. 2, and particularly shows a state in which the bit protrudes from the lower surface of the base.
  • FIG. 4 is a cross-sectional view showing the configuration of the clamp mechanism according to the first embodiment.
  • FIG. 5 is an external front view of the electric trimmer according to the second embodiment.
  • FIG. 6 is an external front view of the electric trimmer according to the second embodiment, in which the base unclamps the trimmer body.
  • FIG. 7 is an external side view of the electric trimmer according to the second embodiment.
  • FIG. 8 is a longitudinal sectional side view for explaining the internal structure of the electric trimmer shown in FIG. 7, and particularly shows a state in which the bit protrudes from the lower surface of the base.
  • FIG. 9 is a cross-sectional view illustrating a configuration of a clamp mechanism according to the second embodiment.
  • FIG. 1 is an external front view of the electric trimmer according to the first embodiment
  • FIG. 2 is an external side view of the electric trimmer according to the first embodiment
  • FIG. 3 is a longitudinal sectional side view for explaining the internal structure of the electric trimmer shown in FIG. 2, and particularly shows a state in which the bit protrudes from the lower surface of the base.
  • FIG. 4 is a cross-sectional view showing the configuration of the clamp mechanism according to the first embodiment.
  • the electric trimmer 100 mainly includes a trimmer body 10 that rotatably supports the bit 5 and a base 20 that holds the outer peripheral surface of the trimmer body 10. And a clamp mechanism 30 that fixes and releases the trimmer body 10 with respect to the base 20 when adjusting the cutting depth of the bit 5 with respect to the workpiece.
  • the trimmer body 10 has an outer shape formed by a substantially cylindrical casing 11 extending in the axial direction, and a drive motor 12 is accommodated in the casing 11.
  • a pair of bearings 13 and 13 are housed in the casing 11 in order to support the motor shaft 12a of the drive motor 12 in a rotatable state.
  • a switch 14 is installed in the upper part of the casing 11 in order to control the operation or stop of the drive motor 12, while the lower part of the casing 11 is connected to the motor shaft 12 a of the drive motor 12 and the bit 5
  • a bit holder 15 that transmits the rotational driving force exerted by the drive motor 12 to the bit 5 by chucking is installed.
  • the electric trimmer 100 since the bit holder 15 can attach and detach the bit 5 having various dimensions, the electric trimmer 100 according to the first embodiment can perform cutting of various dimensions and shapes on the workpiece. It is like that.
  • the base 20 is a member that holds the trimmer body 10 so as to be slidable in the axial direction (up and down direction of the paper surface), and is a member formed of a transparent resin material.
  • a grip portion 21 is formed above the base 20 so as to hold the casing 11.
  • the grip portion 21 has a slit that is partially cylindrical in the vertical direction, and has a substantially C-shape when viewed in cross section as shown in more detail in FIG. Is formed. That is, the grip portion 21 has end edges 21a and 21b facing each other at a predetermined interval in the circumferential direction, and the grip portion 21 having a substantially C-shaped cross section by adjusting the interval between the end edges 21a and 21b.
  • the diameter of the inner peripheral surface is changed, and the fixed holding force (clamping force) with respect to the trimmer body 10 held by the grip portion 21 is changed.
  • a body part 22 extending in the vertical direction following the grip part 21 and an annular support part 23 extending in the horizontal direction further below the body part 22 are formed below the base 20, below the base 20, a body part 22 extending in the vertical direction following the grip part 21 and an annular support part 23 extending in the horizontal direction further below the body part 22 are formed.
  • a window 22 a is formed that is opened along the peripheral surface so that the periphery of the bit can be viewed at the time of processing.
  • the peripheral edge of the support portion 23 protrudes radially outward from the outer periphery of the grip portion 21 so that the electric trimmer 100 can be kept upright.
  • an opening 23 a through which the bit 5 is inserted is formed at the center of the support portion 23.
  • the base 20 has a square base plate 24 fixed to the lower surface of the support portion 23.
  • the length of one side of the base plate 24 is approximately the same as the diameter of the support portion 23.
  • An opening 24 a through which the bit 5 is inserted is also formed at the center of the base plate 24.
  • the grip portion 21 formed in a substantially C shape in a cross-sectional view is formed integrally with each of the end edges 21a and 21b, and convex bearing portions 25a and 25b facing each other are formed. Yes. In these bearing portions 25a and 25b, members constituting the clamp mechanism 30 are installed. Therefore, subsequently, the clamp mechanism 30 according to the first embodiment will be described.
  • the bearing portions 25a and 25b are provided with a common center line, and oval countersunk portions 31a and 32a are formed on opposite sides of the surfaces facing each other.
  • 31 and 32 are provided.
  • a left screw 33b and a right screw 34b are formed on the outer peripheral surface, and the screw members 33, 34 formed in an oval shape with the heads fitted into the countersink portions 31a, 32b are not rotatable. It is inserted.
  • the left screw 33 b and the right screw 34 b of the screw members 33 and 34 are screwed with the rotating member 35.
  • the rotating member 35 has a small diameter portion 35a, a retaining ring groove portion 35b, a hexagonal portion 35c, and a large diameter portion 35d formed on the outer peripheral surface, and a left screw 35e and a right screw 35f formed on the inner peripheral surface. It is a member.
  • the hexagonal portion 35c of the rotating member 35 is fitted into the hexagonal hole 36a provided with the clamp lever 36, and the retaining ring groove portion of the rotating member 35 in a state where the hexagonal hole 36a is fitted into the hexagonal portion 35c.
  • a retaining ring 37 attached to 35 b restricts the clamp lever 36 from moving relative to the axial direction of the rotating member 35.
  • the diameter of the small diameter part 35a formed in the rotation member 35 is comprised below the inscribed circle diameter of the hexagonal part 35c, and the diameter of the large diameter part 35d is a diagonal line of the hexagonal part 35c. It is larger than the distance. Accordingly, the retaining ring 37 attached to the retaining ring groove portion 35b of the rotating member 35 is removed from the state in which the hexagonal hole 36a of the clamping lever 36 is fitted to the hexagonal portion 35c of the rotating member 35, whereby the clamp The lever 36 can move in the direction of the small diameter portion 35a. When the clamp lever 36 moves in the direction of the small diameter portion 35a and the fitting state between the hexagonal hole 36a and the hexagonal portion 35c is released, the rotating member 35 and the clamp lever 36 can be independently rotated. .
  • the clamp lever 36 When adjusting the cutting depth in the electric trimmer 100 according to the first embodiment, first, as illustrated by an imaginary line in FIG. 3, the clamp lever 36 is set to a base in a plane parallel to the axial direction of the trimmer body 10.
  • the rotating member 35 rotates, so that the screw members 33 and 34 that are screwed into the left screw 35e and the right screw 35f move in directions in which they protrude from the rotating member 35, respectively.
  • interval of edge 21a, 21b expands with the elastic restoring force of the holding part 21, and the diameter of the internal peripheral surface of the holding part 21 which made the cross section substantially C-shaped will expand.
  • the fixed holding force (clamping force) with respect to the trimmer main body 10 of the base 20 reduces, and a fixed state is cancelled
  • the cutting depth of the bit is adjusted to a predetermined amount by sliding the trimmer body 10 in the axial direction with respect to the base 20.
  • the retaining ring 37 attached to the retaining ring groove 35b of the rotating member 35 is removed.
  • the clamp lever 36 is moved onto the small-diameter portion 35a of the rotating member 35, and the fitting state between the hexagonal hole 36a and the hexagonal portion 35c is released, so that the rotating member 35 and the clamp lever 36 are individually used. It is in a state where it can be rotated.
  • the clamp lever 36 is rotated in the direction of the base 20 in a plane parallel to the axial direction of the trimmer body 10, and it is confirmed whether or not an appropriate clamping force has been obtained. If the clamping force is not appropriate, the above operation is repeated again so that an appropriate clamping force can be obtained. Finally, by stopping the retaining ring 37 in the retaining ring groove 35b of the rotating member 35, the clamp lever 36 is prevented from moving in the axial direction of the rotating member 35, and the hexagonal hole 36a and the hexagonal portion 35c The fitting state is maintained.
  • the clamp lever 36 is rotated in the direction of the base 20 in a plane parallel to the axial direction of the trimmer body 10, and it is confirmed whether or not an appropriate clamping force has been obtained. If the clamping force is not appropriate, the above operation is repeated again so that an appropriate clamping force can be obtained. Finally, by stopping the retaining ring 37 in the retaining ring groove 35b of the rotating member 35, the clamp lever 36 is prevented from moving in the axial direction of the rotating member 35, and the hexagonal hole 36a and the hexagonal portion 35c The fitting state is maintained.
  • the left screw 33b and the right screw 34b are formed on the outer peripheral surface of the screw members 33, 34, and the left screw hole 35e and the right screw hole 35f are formed on the inner peripheral surface of the rotating member 35.
  • the left screw hole and the right screw hole may be formed on the inner peripheral surfaces of the screw members 33 and 34, and the left screw and the right screw may be formed on the outer peripheral surfaces of both ends of the rotating member 35. Even in such a configuration, it is possible to realize an electric trimmer that exhibits the same effects as those of the first embodiment described above.
  • the fitting portion between the rotating member 35 and the clamp lever 36 according to the first embodiment described above has a hexagonal shape.
  • the fitting portion between the rotating member 35 and the clamp lever 36 of the present invention does not have to be hexagonal, and may be formed by, for example, a quadrangle. That is, in the fitting portion between the rotating member 35 and the clamp lever 36 of the present invention, the electric trimmer that exhibits the same function and effect as the first embodiment described above can be used as long as it is configured to be non-rotatable. Can be realized.
  • the countersunk portions 31a and 32a of the through holes 31 and 32 and the heads of the screw members 33 and 34 according to the first embodiment described above have an oval shape and are inserted so as not to rotate.
  • the countersunk portions 31a and 32a of the through holes 31 and 32 of the present invention and the heads of the screw members 33 and 34 do not have to be oval, and may be hexagonal, for example. That is, if the screw members 33 and 34 are configured to be non-rotatable by insertion, it is possible to realize an electric trimmer that exhibits the same effects as those of the first embodiment described above.
  • the rotating member 35 according to the first embodiment described above is provided with a cylindrical large-diameter portion 35d.
  • the large-diameter portion 35d of the present invention does not need to be a columnar shape, and may be a hexagonal shape, for example, so that the rotating member 35 can be rotated by a spanner when adjusting the clamping force. That is, if the large-diameter portion 35d of the present invention has a shape that restricts the movement of the clamp lever 36 in the axial direction of the rotating member 35 in cooperation with the retaining ring 37, the first portion described above.
  • the electric trimmer which exhibits the same effect as the embodiment can be realized.
  • FIG. 5 is an external front view of the electric trimmer according to the second embodiment
  • FIG. 6 is an electric front view of the electric trimmer according to the second embodiment, with the base unclamping the trimmer body. is there. 7 is an external side view of the electric trimmer according to the second embodiment
  • FIG. 8 is a vertical cross-sectional side view for explaining the internal structure of the electric trimmer shown in FIG. The bit protrudes from the bottom surface of the base.
  • FIG. 9 is a cross-sectional view showing a configuration of a clamp mechanism according to the second embodiment.
  • the configuration of the electric trimmer 200 according to the second embodiment will be described with reference to FIGS. 5 to 9. However, the same or similar members as those of the electric trimmer 100 according to the first embodiment are the same. The description is omitted by adding the reference numerals.
  • the grip portion 21 formed in a substantially C shape in a cross-sectional view is formed integrally with each of the end edges 21a and 21b, and convex bearing portions 25a and 25b facing each other. These bearing portions 25a and 25b are provided with members constituting the clamp mechanism 40. Therefore, subsequently, the clamp mechanism 40 according to the second embodiment will be described.
  • the bearing portions 25a and 25b are provided with through holes 41 and 42 having a common center line. Further, a cam 43 having a center line common to the through hole 41 in the center and provided with a hole having substantially the same diameter as the through hole 41 is rotated on the surface of the bearing portion 25a opposite to the bearing portion 25b side. It is impossible. Further, a clamp lever 44 having arm portions 44b and 44c sandwiching the bearing portions 25a and 25b and the cam 43 from both outsides is provided to be rotatable around the center line of the through holes 41 and 42. A contact portion 44 a that contacts the cam surface 43 a of the cam 43 and rotates together with the clamp lever 44 is provided.
  • the through holes 41 and 42 are specially provided with a loosening prevention function through which a pan head screw 45 that is a rotation center of the clamp lever 44 and that has a screw 45a formed on the outer periphery of the shaft end is inserted and can be fixed at an arbitrary screwing position.
  • a nut 46 is screwed into the screw 45a.
  • the clamp lever 44 When adjusting the cutting depth in the electric trimmer 200 according to the second embodiment, first, as illustrated by an imaginary line in FIG. 8, the clamp lever 44 is set in a plane parallel to the axial direction of the trimmer body 10.
  • the contact portion 44a that has been in contact with the high position of the cam surface 43a (see FIG. 5) moves to a low position of the cam surface 43a (see FIG. 6).
  • the elastic restoring force of the gripping portion 21 acts to increase the distance between the end edges 21a and 21b, and the diameter of the inner peripheral surface of the gripping portion 21 having a substantially C-shaped cross section increases. Thereby, the fixed state with respect to the trimmer main body 10 of the base 20 is cancelled
  • the cutting depth of the bit is adjusted to a predetermined amount by sliding the trimmer body 10 in the axial direction with respect to the base 20.
  • the adjustment of the clamping force between the trimmer main body 10 and the base 20 is performed by screwing the special nut 46 into the screw 45a formed on the outer peripheral portion of the shaft end of the pan head screw 45. It is done by adjusting. That is, when the special nut 46 is rotated in the direction in which the contact portion 44a escapes from the cam 43 and the screwing position is adjusted in the direction in which the distance between the end edges 21a and 21b is increased, the clamping force of the base 20 against the trimmer body 10 is increased.
  • the cam 43 according to the second embodiment described above is provided so as not to rotate with respect to the bearing portion 25 a, while the contact portion 44 a is provided so as to rotate together with the clamp lever 44.
  • the cam 43 is provided on the bearing portion 25 a so as not to rotate, and the contact portion 44 a does not need to be provided so as to rotate together with the clamp lever 44, and the cam 43 rotates together with the clamp lever 44. It is provided so that it may move, and the contact part 44a may be provided so that rotation with respect to the bearing part 25a is impossible.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Milling, Drilling, And Turning Of Wood (AREA)
PCT/JP2011/000511 2010-03-30 2011-01-31 電動トリマ Ceased WO2011121871A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010-077550 2010-03-30
JP2010077550A JP2011207083A (ja) 2010-03-30 2010-03-30 電動トリマ

Publications (1)

Publication Number Publication Date
WO2011121871A1 true WO2011121871A1 (ja) 2011-10-06

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Application Number Title Priority Date Filing Date
PCT/JP2011/000511 Ceased WO2011121871A1 (ja) 2010-03-30 2011-01-31 電動トリマ

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JP (1) JP2011207083A (cg-RX-API-DMAC7.html)
WO (1) WO2011121871A1 (cg-RX-API-DMAC7.html)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6933852B2 (ja) * 2016-03-03 2021-09-08 Ｎｋｅ株式会社 トリマー治具
CN115670348A (zh) * 2022-11-08 2023-02-03 南微医学科技股份有限公司 一种用于内窥镜调整的锁紧装置、内窥镜以及锁紧装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4034422Y1 (cg-RX-API-DMAC7.html) * 1964-06-27 1965-12-02
JPS54147378U (cg-RX-API-DMAC7.html) * 1978-04-04 1979-10-13
JPS56158632U (cg-RX-API-DMAC7.html) * 1980-04-23 1981-11-26
JPH0676714U (ja) * 1993-04-06 1994-10-28 本田技研工業株式会社 Ｌ型手締めボルト
JP2003205502A (ja) * 2002-01-15 2003-07-22 Kazumi Sugito 電動トリマ用円定規セット

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002052506A (ja) * 2000-08-10 2002-02-19 Ryobi Ltd 円加工機

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4034422Y1 (cg-RX-API-DMAC7.html) * 1964-06-27 1965-12-02
JPS54147378U (cg-RX-API-DMAC7.html) * 1978-04-04 1979-10-13
JPS56158632U (cg-RX-API-DMAC7.html) * 1980-04-23 1981-11-26
JPH0676714U (ja) * 1993-04-06 1994-10-28 本田技研工業株式会社 Ｌ型手締めボルト
JP2003205502A (ja) * 2002-01-15 2003-07-22 Kazumi Sugito 電動トリマ用円定規セット

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