CN1332065A - Gear and drawbar shaft locking mechanism - Google Patents
Gear and drawbar shaft locking mechanism Download PDFInfo
- Publication number
- CN1332065A CN1332065A CN01121229A CN01121229A CN1332065A CN 1332065 A CN1332065 A CN 1332065A CN 01121229 A CN01121229 A CN 01121229A CN 01121229 A CN01121229 A CN 01121229A CN 1332065 A CN1332065 A CN 1332065A
- Authority
- CN
- China
- Prior art keywords
- parts
- projection
- electric tool
- gear
- locking mechanism
- 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.)
- Granted
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Classifications
-
- 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
- B25F5/001—Gearings, speed selectors, clutches or the like specially adapted for rotary tools
-
- 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
- B24B23/022—Spindle-locking devices, e.g. for mounting or removing the tool
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Forklifts And Lifting Vehicles (AREA)
- Portable Power Tools In General (AREA)
- Lock And Its Accessories (AREA)
- Replacement Of Web Rolls (AREA)
- Transmission Devices (AREA)
- Load-Engaging Elements For Cranes (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
A power tool with a shaft locking mechanism has a member which is rotatab le about a pivot on the housing. The member has a first projection which rotate s the member between an engaging and a disengaging position. A gear is secured to the output shaft of the power tool. In a first position, the member does not engage the gear. When the first projection is moved, the member rotates such that a second projection engages the gear. When the second projection engages the gear, th is prohibits rotation of the output shaft. To disengage the member, the first projection is moved in the opposite direction which, in turn, disengages the second projection from the gear enabling rotation of the output shaft.
Description
The present invention relates to electric tool, more particularly, the present invention relates to have and be used for the electric tool that lock shaft stops a kind of device of its rotation.
In the turning tool that the amateur uses, several dissimilar tool heads have been used.Generally, be furnished with a chuck in the instrument and come the receiving tool head.This chuck is fastened tool heads is remained in the chuck on the instrument.Generally speaking, these chucks are that rotation by chuck nut provides and tool heads is remained on frictional force required in the chuck carries out fastening.In order to loosen or the mounting bracket nut, discharge respectively or the setting tool head, chuck nut must rotate.For chuck nut is rotated with respect to tool motor, the motor drive shaft of instrument is stopped operating, thus rotatable chuck bolt.For finishing the kind of means that this task uses is a control button mechanism, and this mechanism can stop the rotation of motor drive shaft in turn.For making this device reach the purpose good operation of being envisioned, the designer always makes great efforts to improve this technology.
Technology provided by the invention has rotating parts, and when these parts turned to a locked position, it just can stop the rotation of output shaft.Parts can be turned to its locked position, also can be released, and so just can make the user more easily near described chuck nut.Rotatable components comprises a mechanism that is used for receiving the ON/OFF switch, and when these parts were in locked position, described mechanism also can stop the excitation of ON/OFF switch.In addition, the device of setting can locked position and not locked position set rotatable parts on one's own initiative.
According to a first aspect of the invention, the shaft locking mechanism of electric tool comprises that can center on the parts that bearing pin rotates.Parts have first projection that these parts are rotated around bearing pin.Parts also have second projection that combines with gear.A gear is fixed on the axle of electric tool.First projection is rotated described parts between binding site and separation point position, at binding site, second projection combines with gear, stops the rotation of output shaft, and in the separation point position, second projection is separated with gear, and output shaft is rotated.Parts also comprise a receiving unit that is used for receiving the ON/OFF switch of electric tool.Parts comprise the lock pin that at least one is associated with a spring members, and this lock pin is used for parts are remained on binding site or separation point position.Described spring members is initiatively set described parts in binding site and separation point position.Form a pair of lock pin in parts, one of them is used for binding site and another is used for the separation point position.In primary importance, first projection parallels with the axis of instrument, and parts are in the separation point position herein.In the second place, first projection is perpendicular with the axis and second protruding combine with gear.Parts have a cylindrical body, and this cylindrical body has an endoporus that is used for receiving described bearing pin.When first projection is in vertical position when middle, described ON/OFF switch is inoperative.Receiving unit comprises a cantilevered feature, and this cantilevered feature defines an otch to receive the ON/OFF switch.
According to second embodiment of the present invention, a kind of electric tool comprises a housing, is furnished with a motor in housing.Described motor and an output shaft are coupled and are coupled with a power source.ON/OFF switch on the housing and power source and motor are coupled, motor is encouraged or removes excitation.When motor was energized, it just drove output shaft and rotates.Parts that are coupled with housing are used for stoping the rotation of output shaft.Parts have one orders about first projection that these parts rotate around the bearing pin on the housing.Parts have second projection that combines with gear on the output shaft.Described gear is fixed on the output shaft.First projection is rotated parts between a binding site and a separation point position, at binding site, second projection combines with gear, stops the rotation of output shaft, and in the separation point position, second projection is thrown off from gear, and output shaft is rotated.Parts also comprise a receiving unit that is used for receiving the ON/OFF switch of electric tool.Parts comprise the lock pin that at least one is associated with a spring members, and this lock pin remains on parts in binding site or the separation point position.Spring members is initiatively set described parts in binding site and separation point position.Form a pair of lock pin in parts, one of them is used for binding site and another is used for the separation point position.In primary importance, first projection parallels with the axis of instrument, and parts are in the separation point position herein.In the second place, first projection is perpendicular with the axis and second protruding combine with gear.Parts have a cylindrical body, and this cylindrical body has an endoporus that is used for receiving described bearing pin.When first projection was in vertical position, the ON/OFF switch was inoperative.Receiving unit comprises a cantilevered feature, and this cantilevered feature defines an otch to receive the ON/OFF switch.
To preferred embodiment and the claim of adding and the detailed description of accompanying drawing, other purpose of the present invention and advantage will become clearer and more definite by hereinafter, perhaps, and also can be by practical application of the present invention being understood other purpose of the present invention and advantage.
Figure 1 shows that a perspective view according to turning tool of the present invention;
Figure 2 shows that a phantom of the turning tool among Fig. 1;
Figure 3 shows that the phantom of the turning tool that is in the second place as shown in Figure 2;
Figure 4 shows that a perspective view of the shaft locking mechanism among Fig. 3;
Figure 5 shows that a phantom that additional embodiment is similar to Fig. 3 of the present invention;
Figure 6 shows that the embodiment perspective view similar among Fig. 5 to Fig. 4.
Referring to Fig. 1 and Fig. 2, shown a turning tool among the figure and used reference number 10 to indicate.Shown in turning tool 10 comprise a housing 12 that holds motor 14.Motor 14 is coupled with output shaft 16.On the end of output shaft 16, be furnished with a chuck 18 that is used for receiving the turning tool head.Power source and motor 14 are coupled with the excitation motor, and in the figure, power source is a lead 20.An ON/OFF switch 22 carries out electric coupling with excitation motor 14 with motor 14 and electrical lead 20.Described ON/OFF switch 22 comprises a slide unit 24, slide unit 24 excitation control button switches 26, control button switch 26 and motor 14 and power source 20 electric coupling.Shaft locking parts 30 are coupled with housing 12.
Referring to Fig. 2-4, just can understand preferably rotatable parts 30 by these accompanying drawings.Rotatable parts 30 have a cylindrical body 32, and this cylindrical body 32 has a hole 34 on the rotating pin 36 that is used to receive housing 12.Rotatable parts 30 comprise one first protruding part 38.This protruding part 38 can make the user grip and make rotatable parts 30 to rotate around bearing pin 36.Cylindrical body 32 comprises one second protruding part 40, and the shape of these parts 40 is as general as profile of tooth.The 3rd bossing 42 has a bracketed part 44, and this bracketed part 44 has been determined an otch 46, and otch 46 receives the part of the ON/OFF switch 24 that slides.Can see that from Fig. 2 when first protruding part 38 was substantially parallel with the axis of instrument, ON/OFF switch 24 was slidably gone into otch 46 and encouraged this electric tool.After using, ON/OFF switch 24 skids off otch 46.When ON/OFF switch 24 was in the otch 46, under the situation that electric tool is energized, rotatable parts 30 just can not rotate and be locked in a position.
As shown in Figure 3, slide switch 24 can not be moved forward and be encouraged motor.Therefore, when rotatable parts 30 matched with gear 60, electric tool just was locked in an OFF (cutting out) position.Protruding part 38 can comprise a rubber sleeve 64, to strengthen the user with its sensation when mobile between binding site and separation point position.
For described toothed projections 40 is thrown off, first projection 38 clockwise rotates until it substantially parallel with the axis of electric tool.At this moment, ON/OFF switch 24 can be received in the otch 46 to front slide.
As shown in Figure 3, when the rotation of output shaft 16 is prevented from, can unload used instrument from chuck 18.For used instrument is unloaded, toothed projections combines with gear teeth 62, and chuck nut 64 is rotated.When chuck nut 64 rotated, it just removed the chucking power on the clamping finger 66 that acts on chuck 68.Like this, when clamping finger 66 expansions, just can unload used instrument.For keeping described instrument, mounting bracket nut 64 applies a chucking power to clamping finger 66 successively, thereby instrument is remained in the chuck 68.
Referring to Fig. 5 and Fig. 6, shown an additional embodiment of the present invention among the figure.Fig. 5 is similar with embodiment shown in Figure 4 to Fig. 3 to embodiment shown in Figure 6, and components identical adopts identical reference numerals among two embodiment.Difference among the figure is gear 60 '.Herein, gear 60 ' has tooth 62 ', and described tooth 62 ' has an inclined surface 72 '.This inclined surface matches with the tooth 40 of rotatable parts 30 as convex surfaces.In addition, gear 60 ' also comprises a tooth 74 ' with inclined surface 76 '.When observing in front view, as shown in Figure 5, tooth 74 ' will be grown than other teeth 62 ' axially going up of gear 60 '.Like this, when axle 16 was rotated down, when tooth 40 will be with tooth 60 ' engagement in the rotation process of axle 16, the tooth 74 ' with inclined surface 76 ' just became tooth 40 contacted first teeth with rotatable parts 30.
When the electric power of supplying with electric tool stopped, axle 16 was rotated further.When axle was rotated further, gear 60 ' was rotated further.If rotatable parts 30 will carry out combination in rotation process, tooth 40 just contacts with tooth 62 ' and tooth 74 '.Because tooth 74 ' will be grown than other teeth 62 ', therefore when gear and axle were rotated further and slowly slow down, tooth 74 ' contacted with tooth 40 with fixed duration.If long tooth 74 ' contacts with the tooth 40 of rotatable parts 30 with bigger power, the feedback of an active then is provided to the user, promptly described bar can not be combined.Single long tooth can make a tooth contact with the tooth 40 of rotatable parts 30 between single refunding and replace each tooth 62 ' and contact with tooth 40.Each tooth can make contact carry out rapidly with contacting of tooth 40 and not produce solid impact, uses single tooth 74 ' just to contact with tooth 40 solid impact can take place.Like this, stronger impact demonstrates to the user: because the rotation of axle does not also stop, so just can not carry out the locking of axle immediately.
Describe the preferred embodiments of the present invention above in detail, under the situation that does not break away from additional claim scope and essence, can change, change and revise the present invention.
Claims (24)
1, a kind of shaft locking mechanism that is used for electric tool comprises:
The parts that can rotate around bearing pin, described parts have one makes it center on first projection that described bearing pin rotates and second projection that meshes with a gear; With
Gear with one or more teeth, it is suitable for being fixed on the axle of electric tool, wherein, described first projection is rotated described parts between binding site and separation point position, at described binding site, described second projection stops the rotation of axle with described gears engaged, in described separation point position, described second projection is separated with described gear and axle can be rotated.
2, shaft locking mechanism according to claim 1, wherein said parts comprise a receiving unit that is used to receive the ON/OFF switch of electric tool.
3, shaft locking mechanism according to claim 1, wherein said parts comprise the lock pin that at least one is associated with spring mechanism, and described parts are remained on described binding site or separation point position.
4, shaft locking mechanism according to claim 3, wherein said parts comprise a pair of lock pin, a lock pin is used for described parts are remained on described binding site, and another lock pin is used for described parts are remained on described separation point position.
5, shaft locking mechanism according to claim 1, wherein when described separation point position, described first projection is in the position that parallels with the axis of electric tool, and when binding site, described first projection is in and perpendicular position, the axis of electric tool.
6, shaft locking mechanism according to claim 1, wherein said parts have a cylindrical body, and this cylindrical body has an endoporus that is used to receive described bearing pin.
7, shaft locking mechanism according to claim 5, wherein when described first projection was in described upright position, described ON/OFF switch was inoperative.
8, shaft locking mechanism according to claim 2, wherein said receiving unit comprise a cantilevered feature, and this cantilevered feature has been determined an otch, are used for receiving described ON/OFF switch.
9, a kind of electric tool comprises:
A housing;
A motor in described housing;
An output shaft that is coupled with described motor;
A power source that is coupled with described motor;
With the ON/OFF switch that described power source and described motor are coupled, be used for excitation and stop to encourage described motor, under incentive mode, the described output shaft of described revolution;
The parts that can rotate around the bearing pin in the described housing, described parts have one first projection and one second projection, described first projection is used for making described parts to rotate around described bearing pin, and described second projection is used for meshing with a gear;
Gear with one or more teeth, it is suitable for being fixed on the described output shaft of electric tool, wherein, described first projection is rotated described parts between binding site and separation point position, at described binding site, described second projection stops the rotation of axle with described gears engaged, in described separation point position, described second projection is separated with described gear and axle can be rotated.
10, electric tool according to claim 9, wherein said parts comprise a receiving unit that is used to receive described ON/OFF switch.
11, electric tool according to claim 9, wherein said parts comprise the lock pin that at least one is associated with spring mechanism, and described parts are remained on described binding site or separation point position.
12, electric tool according to claim 11, wherein said parts comprise a pair of lock pin, a lock pin is used for described parts are remained on described binding site, and another lock pin is used for described parts are remained on described separation point position.
13, electric tool according to claim 9, wherein when the separation point position, described first projection is in the position that parallels with the axis of electric tool, and when binding site, described first projection is in and perpendicular position, the axis of electric tool.
14, electric tool according to claim 9, wherein said parts have a cylindrical body, and this cylindrical body has an endoporus that is used to receive described bearing pin.
15, electric tool according to claim 13, wherein when described first projection was in described upright position, described ON/OFF switch was inoperative.
16, electric tool according to claim 10, wherein said receiving unit comprise a cantilevered feature, and this cantilevered feature has been determined an otch, are used for receiving described ON/OFF switch.
17, shaft locking mechanism according to claim 1, wherein said gear comprises a plurality of teeth, each tooth all has an angled protrusions surface, combines with described second protruding part.
18, shaft locking mechanism according to claim 17, the outstanding described a plurality of teeth of one of wherein said tooth make it contact with described second projection outward.
19, shaft locking mechanism according to claim 1, wherein said gear comprise one and the contacted parts of described second protruding part.
20, shaft locking mechanism according to claim 19, wherein said parts elongation surpasses a plurality of teeth on the described gear.
21, electric tool according to claim 9, wherein said gear comprises a plurality of teeth, each tooth all has an angled protrusions surface, combines with described second protruding part.
22, electric tool according to claim 21, the outstanding described a plurality of teeth of one of wherein said tooth make it contact with described second projection outward.
23, electric tool according to claim 9, wherein said gear comprise one and the contacted parts of described second protruding part.
24, electric tool according to claim 23, wherein said parts extend beyond a plurality of teeth on the described gear.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US60386900A | 2000-06-23 | 2000-06-23 | |
| US09/603,869 | 2000-06-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1332065A true CN1332065A (en) | 2002-01-23 |
| CN1264655C CN1264655C (en) | 2006-07-19 |
Family
ID=24417253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011212292A Expired - Fee Related CN1264655C (en) | 2000-06-23 | 2001-06-14 | Gear and drawbar shaft locking mechanism |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP1166973B1 (en) |
| CN (1) | CN1264655C (en) |
| AT (1) | ATE377484T1 (en) |
| CA (1) | CA2348985A1 (en) |
| DE (1) | DE60131220T2 (en) |
| HK (1) | HK1040663B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1910017B (en) * | 2004-01-16 | 2010-05-05 | 罗伯特·博世有限公司 | Rotating shaft locking mechanism |
| CN102405151A (en) * | 2010-06-04 | 2012-04-04 | 奥斯特姆有限公司 | Round recliner for vehicle seat |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL1033187C2 (en) * | 2007-01-08 | 2008-07-09 | Bosch Gmbh Robert | Electric tools, such as an angle grinder. |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4336620C2 (en) * | 1993-10-27 | 1997-07-03 | Fein C & E | Power tool with a clamping device that can only be operated when the engine is switched off |
| DE4344128B4 (en) * | 1993-12-23 | 2008-09-11 | Robert Bosch Gmbh | Electric hand tool with a spindle lock |
| DE4432973B4 (en) * | 1994-09-16 | 2009-10-01 | Robert Bosch Gmbh | Electric hand tool with a spindle lock |
| GB2327054A (en) * | 1997-07-08 | 1999-01-13 | Black & Decker Inc | Shaft locking |
-
2001
- 2001-05-28 CA CA002348985A patent/CA2348985A1/en not_active Abandoned
- 2001-06-14 CN CNB011212292A patent/CN1264655C/en not_active Expired - Fee Related
- 2001-06-22 DE DE60131220T patent/DE60131220T2/en not_active Expired - Lifetime
- 2001-06-22 AT AT01305459T patent/ATE377484T1/en not_active IP Right Cessation
- 2001-06-22 EP EP01305459A patent/EP1166973B1/en not_active Expired - Lifetime
-
2002
- 2002-03-21 HK HK02102150.0A patent/HK1040663B/en not_active IP Right Cessation
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1910017B (en) * | 2004-01-16 | 2010-05-05 | 罗伯特·博世有限公司 | Rotating shaft locking mechanism |
| CN102405151A (en) * | 2010-06-04 | 2012-04-04 | 奥斯特姆有限公司 | Round recliner for vehicle seat |
| CN102405151B (en) * | 2010-06-04 | 2014-07-02 | 奥斯特姆有限公司 | Round recliner for vehicle seat |
Also Published As
| Publication number | Publication date |
|---|---|
| ATE377484T1 (en) | 2007-11-15 |
| DE60131220T2 (en) | 2008-08-28 |
| DE60131220D1 (en) | 2007-12-20 |
| EP1166973A1 (en) | 2002-01-02 |
| HK1040663B (en) | 2006-10-13 |
| EP1166973B1 (en) | 2007-11-07 |
| CA2348985A1 (en) | 2001-12-23 |
| CN1264655C (en) | 2006-07-19 |
| HK1040663A1 (en) | 2002-06-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060719 |