EP1132173A2 - Outil de transmission de couple - Google Patents

Outil de transmission de couple Download PDF

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Publication number
EP1132173A2
EP1132173A2 EP01104252A EP01104252A EP1132173A2 EP 1132173 A2 EP1132173 A2 EP 1132173A2 EP 01104252 A EP01104252 A EP 01104252A EP 01104252 A EP01104252 A EP 01104252A EP 1132173 A2 EP1132173 A2 EP 1132173A2
Authority
EP
European Patent Office
Prior art keywords
clutch
tool
tool according
coupling
torque
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.)
Withdrawn
Application number
EP01104252A
Other languages
German (de)
English (en)
Other versions
EP1132173A3 (fr
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.)
Adolf Wuerth GmbH and Co KG
Original Assignee
Adolf Wuerth GmbH and Co KG
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 Adolf Wuerth GmbH and Co KG filed Critical Adolf Wuerth GmbH and Co KG
Publication of EP1132173A2 publication Critical patent/EP1132173A2/fr
Publication of EP1132173A3 publication Critical patent/EP1132173A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
    • B25B23/142—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for hand operated wrenches or screwdrivers
    • B25B23/1422—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for hand operated wrenches or screwdrivers torque indicators or adjustable torque limiters
    • B25B23/1427—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for hand operated wrenches or screwdrivers torque indicators or adjustable torque limiters by mechanical means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
    • B25B23/141—Mechanical overload release couplings

Definitions

  • the invention has for its object a simple structure to create a torque limiting tool at which the set torque value is not changed.
  • the invention proposes a tool with the features of claim 1. Further training of the Invention are the subject of the dependent claims, the Wording as well as the wording of the summary Reference is made to the content of the description.
  • the tool contains a drive part on which the to be applied Torque is initiated, as well as an output part from which the torque to be transmitted is taken off, whereby between these two parts the actual the torque limiting clutch is interposed.
  • the clutch is connected to the drive parts in such a way that they have torque transmits that it does not in the axial direction Take up force from the drive part or the driven part can. This can be done by pressing the tool in the axial direction just no adjustment of the once set Trigger values occur.
  • the clutch can be arranged and be designed so that they are axial relative to the tool is slidably supported, with this slidability a short distance shift can act.
  • the tool can be designed such that the drive part has such a shape or configuration that it with a drive tool can be connected directly or via a polygon is.
  • the drive part can take the form of a Have square, with which it is in an opening of a ratchet can be used and secured there.
  • it can also Be designed so that there is a square opening has, in which a square projection of a ratchet inserted can be.
  • the drive part such that a user with a wrench or a ring spanner on it can attack directly.
  • the driven part can be designed, for example, that it can be used as a nut, for example one has a twelve-sided standardized inner opening.
  • the Drive part and the driven part each formed as a sleeve are in their common interior when the two Sleeves are assembled, the clutch is housed.
  • the coupling is protected from external influences housed so that they both protect against soiling also against unintentional or intentional adjustment is protected.
  • the Sleeves at least one of the two sleeves, one of one Have a different internal cross-section that the External cross section of the input or output of the coupling is adjusted. This way, no further action can be taken the non-rotatable connection between the corresponding part of the Tool and the coupling are done.
  • the cross section can in particular be a Act cross-section in the form of a regular polygon, for example a hexagon, as is the case with screw heads and nuts is common.
  • the clutch has on both sides with a stop provided on the two clutch discs are slidably mounted be pressed against each other by at least one spring.
  • the strength of the spring defines depending on the others Geometry of the clutch, the value at which the clutch triggers.
  • the adjustability of the release value of the clutch can be realized, for example, in that the spring is exchanged. A stronger spring ensures you higher trigger value.
  • At least one of the two stops adjustable in the longitudinal direction of the pin is, especially in a fine gradation or stepless.
  • This Mother can twist the by more or less Change the preload of the clutch and thus the trigger value.
  • the clutch discs can advantageously be constructed in this way be that their mutually facing coupling surfaces a Have type sawtooth teeth, which means that they slide off allow two teeth together.
  • the coupling is designed as a sleeve in the interior the drive element and / or the output element of the Tool is arranged.
  • FIG. 1 shows a section cut in its middle section Side view of a tool according to the invention.
  • the Tool is designed to torque up to one transfer certain size. Then the transfer should of the torque are interrupted.
  • the tool contains a drive part 1, which in some way with a drive tool can be connected, for example a wrench or ratchet.
  • On the opposite The end of the tool is a similar one Output part 2 attached to the decrease in torque serves. For example, it can be a wrench act.
  • the two parts are aligned axially and rotatably connected.
  • the drive part 1 in the area of the driven part 2 facing end a small outer bead 3, the serves to limit the closing movement of a ring 4, the mounted on the cylindrical outside of the drive part 1 is.
  • This ring is dimensioned so that it over the also grip the cylindrical outside of the driven part 2 can.
  • the ring 4 also has 7 in the region of its free end a groove on the inside. If the two parts with their free end faces meet, so the ring 4 pushed over the snap ring 6 until it is in both grooves engages and secures the tool in the axial direction. In contrast, the two parts 1, 2 can continue circumferentially can be rotated, since the snap ring 6 no circumferentially Represents an obstacle.
  • Both the drive part 1 and the driven part 2 are in the Area of their mutually facing sides formed as sleeves, So contain an interior 8 that has a common Forms cavity.
  • this interior 8 there is a torque limiting clutch 9 housed in the following is described in more detail.
  • It contains a pin 10 which exposed coaxially to the tool in the interior 8 is arranged. In the illustration in FIG. 1, it does lie with one end on an end wall 11 of the driven part 2 on, but the opposite one with a head 12 The end is at a distance from the corresponding end wall 13 on.
  • the pin 12 can therefore in the axial direction in the swimming interior.
  • the pin 10 Starting from its head 12, the pin 10 initially points a smooth surface section to which a threaded section 14 connects with an external thread 15.
  • On the Shaft 10 is an arrangement with two clutch disks 16, 17, lined up, which can rotate freely around the shaft 10.
  • the clutch disks face each other Surfaces, see Figure 6, a coupling toothing on is known.
  • the two clutch disks 16, 17 are with the help of two plate spring assemblies in the example shown 18 pressed against each other.
  • One plate spring assembly 18 is based on the underside of the head 12 of the pin 10 and acts on a clutch disc 16 away from this end of the cone. Between the plate spring assembly 18 and the clutch disc 16 a slide ring 19 is used.
  • the disc spring assembly is supported on the opposite side 18 on a stop nut 20 on the internal thread 15 of the threaded portion 14 is screwed on. To one To prevent rotation of the nut 20, this has a Cross hole through which a pin 21 is inserted is the at the same time through an axial slot 22 of the Pin 10 passes through. To prevent slipping out of the pin 21 contains the stop nut 20 one Snap ring 23.
  • the sleeve-like interior 8 of both parts 1, 2 is out of round formed and has a shape that the outer shape of the Clutch discs 16, 17 is the same, with some play is available.
  • the transmission of a torque from that Drive part 1 to the driven part 2 happens so that the the drive part 1 forced rotation because of the non-circular Inner shape of the interior 8 on the clutch disc 16 is transmitted. Since the clutch disc 16 under spring pressure engages with the opposite clutch disc 17 stands, the second clutch disc 17 is also rotated. This transfers the rotation through its outer shape to the Stripping section 2.
  • Figure 2 shows a partially sectioned side view of the Drive part 1 of Figure 1.
  • Figure 1 is the drive part 1 shown on the right, while in Figure 2 in reverse Orientation is drawn.
  • the Tool or the clutch can output part and output part can also be interchanged because the torque clutch in works in both directions in the same way.
  • the drive part 1 has a first end 25 on, which serves to initiate the torque.
  • the end 25 contains a polygonal recess 26, into which a square can be inserted, for example Is part of a ratchet.
  • the one facing away from the first end 25 and assigned to the driven part 2 Part has a cylindrical outside, which for Leading the ring 4 is used.
  • the bead 3 is provided, the one Shoulder 27 forms.
  • the polygonal recess 26 is from the interior 8 of the Drive part separated by a transverse wall 28 which the mentioned end face 13 forms.
  • the interior 8 has the shape of a regular hexagon on.
  • An edge 29 of the hexagon can be seen in FIG. 2.
  • This hexagonal shape corresponds to the hexagonal outer shape the associated clutch disc 16.
  • the hexagon shape is one of the possible shapes, like the outside of the clutch disc and the inside of the drive part 1 is formed can be. Of course, there are other forms possible, which cause the clutch disc to rotate.
  • the stripping section 2 shown in FIG. 3 is similar Set up like the drive part 1. At its the drive part opposite end, it contains an inner recess 30 in the form of a regular twelve-sided that drives a conventional hexagon screw or nut is formed. Here too, the recess 30 is through the interior 8 a transverse wall 31 separated, which forms the end face 11.
  • the interior also has the shape of a regular hexagon on what is represented by the one edge 32 to be seen is. Again, it also applies that other forms of Cross section through this part of the driven part 2 possible are. Otherwise, the cross sections of the two parts need the interior 8 not to be the same since the one clutch disc 16 only with one part, i.e. drive part or output part, cooperates while the other clutch disc 17 engages only with the other part stands.
  • Figures 4 and 5 show the two clutch plates 16, 17 in the same orientation as shown in Figure 1 are.
  • the mutually facing coupling surfaces 33 have a kind of sawtooth shape, the sawtooths of course run along a radius, see also Figure 6, the the coupling surfaces 33 shows in front view.
  • both Clutch discs 16, 17 is the outer circumference in the form of a regular hexagons.
  • other forms can be used, particularly can also the outer shapes of both clutch discs from each other differ. Only the coupling surfaces facing each other 33 must be coordinated.
  • the clutch plates have an inner opening 34, the Inner diameter approximately the outer diameter of the pin 10 corresponds.
  • the clutch discs must face the pin 10 be both rotatable and axially displaceable.
  • the the parts of the coupling surfaces having inclined surfaces start at a radius slightly larger than that Radius of the inner opening 34. It is therefore around the edge a smooth area 35 is formed in the opening 34 that a narrow ring could be placed on.
  • Such a ring could serve the clutch disks in their engaged Condition, see Figure 1, move apart a bit, to thereby, for example, the preload of the plate springs 18 to increase. This can also lead to a change in the trigger value serve the clutch.
  • Figure 7 shows the pin 10 of the coupling in the same Orientation as in Figure 1.
  • the pin points in its smooth area a diameter of something is smaller than the diameter of the inner opening 34.
  • Das Slot 22 is positioned so that it has the possible position covers the stop nut used to adjust the Trigger torque of the clutch is used.
  • FIGS 8 and 9 show this stop nut, the 8 shows an angled section along line VIII-VIII in Figure 9 represents.
  • the stop nut 20 has an internal thread 36, which corresponds to the external thread 15 of the pin 10.
  • the stop nut can be stepless in principle be adjusted so that the release value of the clutch can be set very finely. To secure them against loosening, it has a length that runs along a diameter Cross bore 37 through which the already mentioned pin 21st can be put through. This pin will then also inserted through the elongated hole 22. With that the mother can in steps of half a thread pitch of thread 15 be secured. To prevent the pin 21 from slipping out prevent, a snap ring 23 is in a circumferential groove 38 inserted.
  • the stop nut 20 has two parallel key surfaces 39 on which you can attack with a tool.
  • FIGS. 10 and 11 show views of a clutch disc, which is easy compared to the previous embodiment has been changed.
  • the outer surface of the see polygonal approach. This outer surface 41 is from deviating from the flat shape slightly convex, whereby the figure represents this somewhat exaggerated.
  • the crowning has the advantage that the inside of the sleeve Align existing coupling.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
EP01104252A 2000-03-09 2001-02-22 Outil de transmission de couple Withdrawn EP1132173A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10011506 2000-03-09
DE10011506A DE10011506A1 (de) 2000-03-09 2000-03-09 Werkzeug zum Übertragen eines Drehmomentes

Publications (2)

Publication Number Publication Date
EP1132173A2 true EP1132173A2 (fr) 2001-09-12
EP1132173A3 EP1132173A3 (fr) 2002-09-04

Family

ID=7634105

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01104252A Withdrawn EP1132173A3 (fr) 2000-03-09 2001-02-22 Outil de transmission de couple

Country Status (6)

Country Link
US (1) US20010025714A1 (fr)
EP (1) EP1132173A3 (fr)
JP (1) JP2001328076A (fr)
CA (1) CA2339713A1 (fr)
DE (1) DE10011506A1 (fr)
TW (1) TW574089B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1174221A2 (fr) * 2000-07-12 2002-01-23 Unex Corporation Douille
WO2008151769A1 (fr) * 2007-06-13 2008-12-18 Amu S.R.L. Tournevis manuel à couple pré-étalonné

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1631418B1 (fr) * 2003-05-17 2006-12-27 WERA WERK HERMANN WERNER GmbH & Co. KG Tournevis a limitation du couple de rotation
WO2005077603A1 (fr) * 2004-02-11 2005-08-25 Snap-On Incorporated Dispositif d'attaque limiteur de couple a systeme en t
JP2005282603A (ja) * 2004-03-26 2005-10-13 Fujikin Inc トルクリミッター付きハンドル及びこのハンドルを備えた流体制御器
ITMI20041623A1 (it) * 2004-08-06 2004-11-06 Balance Systems Spa Congegno tastatore di pezzi di lavorazione
DE102006032812B4 (de) * 2005-08-19 2012-06-21 Chia-Chiung Chuang Übertragungselement mit Drehmoment begrenzender Schutzstruktur
JP2008049029A (ja) * 2006-08-28 2008-03-06 Toyota Auto Body Co Ltd 車椅子のステップ装置
US20080217377A1 (en) * 2007-03-06 2008-09-11 Alcoa Inc. Fracture Resistant Friction Stir Welding Tool
US7793816B2 (en) * 2007-09-07 2010-09-14 Alcoa Inc. Friction stir welding apparatus
BRPI0817072A2 (pt) * 2007-10-02 2015-03-24 Hitachi Koki Kk Ferramentas acionadas por energia
US7854362B2 (en) 2008-03-14 2010-12-21 Alcoa Inc. Advanced multi-shouldered fixed bobbin tools for simultaneous friction stir welding of multiple parallel walls between parts
EP2366513B1 (fr) * 2008-12-16 2015-08-05 Positec Power Tools (Suzhou) Co., Ltd Scie à chaîne
JP4993225B2 (ja) * 2009-06-10 2012-08-08 パラマウントベッド株式会社 操作ハンドルのトルク解放機構
GB2474707B (en) * 2009-10-24 2013-10-16 Jin-Tsai Lai Torque socket assembly
JP2016056862A (ja) * 2014-09-09 2016-04-21 日本電産コパル株式会社 トルクリミッタ機構を備えるアクチュエータ
TWM522105U (zh) * 2016-03-15 2016-05-21 wei-jie Zhuang 具扭力調整功能之扭力套筒
JP7082765B2 (ja) * 2017-09-11 2022-06-09 丸一株式会社 締め付け治具
CN108050171B (zh) * 2018-01-22 2023-10-20 四川远星橡胶有限责任公司 一种气动控制的可调输出扭力的离合器
CN108386460A (zh) * 2018-04-20 2018-08-10 浙江东森电器有限公司 一种钻机离合器摩擦片快速调紧装置
CN112443592A (zh) * 2019-08-28 2021-03-05 力山工业股份有限公司 用于绞盘机的过载保护装置

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE740978C (de) * 1938-09-02 1943-11-02 Zahnraederfabrik Augsburg Vorm Sicherheitshauptkupplung fuer Walzwerke
US2885918A (en) * 1954-12-24 1959-05-12 Vertriebund Verkauf Ag Predetermined torque release wrench
GB1462759A (en) * 1973-10-10 1977-01-26 Neil Holdings Ltd James Torque wrenches
GB1532873A (en) * 1976-05-14 1978-11-22 Britool Ltd Torque controller
US4572041A (en) * 1984-10-05 1986-02-25 Rissmann Horst G Torque limiting wrench
US5605082A (en) * 1995-11-08 1997-02-25 Capewell Components Company Tool with integral torque delivery system
US5855517A (en) * 1995-07-27 1999-01-05 Flex-Elektrowerkzeuge Gmbh Releasable coupling for machine tools
DE19829960A1 (de) * 1998-07-04 2000-01-20 Norbert Felder Drehmomentbegrenzungseinrichtung
EP1092510A2 (fr) * 1999-10-11 2001-04-18 Kapman AB Tournevis dynamométrique

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2238847A1 (de) * 1972-08-07 1974-02-14 X 4 Corp Zwischenteil zur begrenzung eines drehmoments
CH672945A5 (en) * 1987-08-19 1990-01-15 Fertigungstechnik Walter Hafne Load-limiting coupling - has two supporting balls from each locking ball in drillings in holding plate
DE9200980U1 (de) * 1992-01-28 1992-04-09 Lin, Hosan, Shen-Kang Hsiang, Taichung Drehmomenteinsteller
US5224403A (en) * 1992-04-06 1993-07-06 Rueb Ward A Predetermined torque yielding wrench

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE740978C (de) * 1938-09-02 1943-11-02 Zahnraederfabrik Augsburg Vorm Sicherheitshauptkupplung fuer Walzwerke
US2885918A (en) * 1954-12-24 1959-05-12 Vertriebund Verkauf Ag Predetermined torque release wrench
GB1462759A (en) * 1973-10-10 1977-01-26 Neil Holdings Ltd James Torque wrenches
GB1532873A (en) * 1976-05-14 1978-11-22 Britool Ltd Torque controller
US4572041A (en) * 1984-10-05 1986-02-25 Rissmann Horst G Torque limiting wrench
US5855517A (en) * 1995-07-27 1999-01-05 Flex-Elektrowerkzeuge Gmbh Releasable coupling for machine tools
US5605082A (en) * 1995-11-08 1997-02-25 Capewell Components Company Tool with integral torque delivery system
DE19829960A1 (de) * 1998-07-04 2000-01-20 Norbert Felder Drehmomentbegrenzungseinrichtung
EP1092510A2 (fr) * 1999-10-11 2001-04-18 Kapman AB Tournevis dynamométrique

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1174221A2 (fr) * 2000-07-12 2002-01-23 Unex Corporation Douille
EP1174221B1 (fr) * 2000-07-12 2005-11-16 Unex Corporation Douille
WO2008151769A1 (fr) * 2007-06-13 2008-12-18 Amu S.R.L. Tournevis manuel à couple pré-étalonné

Also Published As

Publication number Publication date
DE10011506A1 (de) 2001-09-13
EP1132173A3 (fr) 2002-09-04
TW574089B (en) 2004-02-01
CA2339713A1 (fr) 2001-09-09
US20010025714A1 (en) 2001-10-04
JP2001328076A (ja) 2001-11-27

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