CN104972443A - Handheld tool machine - Google Patents

Handheld tool machine Download PDF

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Publication number
CN104972443A
CN104972443A CN201510144523.8A CN201510144523A CN104972443A CN 104972443 A CN104972443 A CN 104972443A CN 201510144523 A CN201510144523 A CN 201510144523A CN 104972443 A CN104972443 A CN 104972443A
Authority
CN
China
Prior art keywords
hand held
housing parts
held power
power machine
locking
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.)
Pending
Application number
CN201510144523.8A
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Chinese (zh)
Inventor
J·马丁
M·K·艾哈迈德
S·苏布拉马尼亚姆
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 CN104972443A publication Critical patent/CN104972443A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25FCOMBINATION 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
    • B25F5/00Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
    • B25F5/02Construction of casings, bodies or handles

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Portable Power Tools In General (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

The invention relates to a handheld tool machine having a first housing part and a second housing part connected to the first housing part through a hinge, and a locking mechanism, wherein the locking mechanism includes at least two locking stages and at least one engaging part, in a locking state, a locking piece fixes the engaging part relative to one locking stage and thus fixes the position of the first housing part relative to the second housing part, and in an un-locking state, the locking piece is released so as to allow the movement between the locking stages and the engaging part and to allow step-by-step rotation of the first housing part relative to the second housing part around an axis a in the hinge. Herein an unlocking element is arranged in a manner of rotation around the axis a so as to realize the step-by-step rotation of the first housing part relative to the second housing part.

Description

Hand held power machine
Technical field
The present invention relates to a kind of hand held power machine of preamble according to claim 1, particularly clavate screw machine, brill formula screw machine or battery bore formula screw machine, this hand held power machine has articulated, and described articulated realizes the pivotable of the first housing parts relative to the second housing parts.
Background technology
Hand held power machine, as the hand held power machine clavate screw machine, battery brill formula screw machine or rig, known and articulated or governor motion can be had by prior art, housing parts adjustment relative to each other can be realized by means of described articulated or governor motion.
About this governor motion, or be not provided with fixture, make the use of hand held power machine become difficulty so in essence, or this governor motion be fixing or can be fixed in the mode of direct torque according to the kind be slidably connected on the position limited in advance.When direct torque fixing, disadvantageously, parts stand heavy wear, and governor motion has very many gaps along with passage of time thus, therefore make fixedly becoming difficulty and significantly reducing life-span of hand held power machine of lock piece.
Such as US 20120103143 A1 discloses the hand held power machine with fixable governor motion.This hand held power machine has handle and the bar be connected with this handle in the mode can rotated around an axis.Angle between handle and bar can be conditioned by a governor motion.In order to ensure this function, this governor motion has the lock piece notch different with three, and wherein, lock piece is maintained at a notch of described three notches by means of the locking element being arranged in handle.In order to the angle between regulating handle and bar, locking element is pressed towards a spring, and thus, lock piece discharges and achieves the adjustment of angle.Disadvantageously, in such an embodiment, the electrical connection can not settled electric connection, such as battery and/or extend to CD-ROM drive motor, because locking element and lock piece just extend through the longitudinal axis of handle and therefore extend in the region of battery or electric connection.In addition, the position of locking element and lock piece is disadvantageous in the region of handle, because according to the grasping of handle, there is the risk of by mistake unclamping this locking system.Exactly at electrically driven handheld power tool and when may there is large power, this is significant adverse.
Summary of the invention
The object of the invention is to, improve above-mentioned shortcoming and propose a kind of hand held power machine with articulated, described hand held power machine cost is low, flexible, wearing and tearing little and the life-span long, manipulation simple and guarantee reliable in this articulated at this and uncomplicated to work.
Object of the present invention is realized by hand held power machine according to claim 1.Favourable configuration of the present invention, modification and improvement project obtain from dependent claims.
Such hand held power machine has the first housing parts and the second housing parts be connected with the first housing parts by articulated, and there is lockable mechanism, wherein, this lockable mechanism comprises at least two locking levels and at least one auxiliary section, wherein, in the state of locking, lock piece is relative to a locking level secure fit portion and therefore fix the position of the first housing parts relative to the second housing parts, and, in the state of non-locking, lock piece discharges like this, make allow the motion between locking level and auxiliary section and allow the first housing parts relative to the rotation step by step around axis a in articulated of the second housing parts.At this, be provided with the release element arranged in the mode can rotated around axis a, to realize the step by step rotation of the first housing parts relative to the second housing parts.In this way, release element to be set directly in the region of axis a and not in the region of handle, can to prevent from thus by mistake triggering this release element and therefore can provide reliable and effective lockable mechanism.In addition, this layout saves position, makes installation length and the installation width that must not change hand held power machine.Therefore, hand held power machine can be adaptive independently and regulate neatly by user.By automatically fixing, hand held power machine according to the present invention has little wear phenomenon, be the life-span long and this in manual manipulation time be simple and reliably.
Preferably, release element is provided with latch elements, and wherein, latch elements is fixed lock piece and discharged lock piece when handling release element in the state of locking.At this, particularly advantageously, release element has operating element, particularly sliding part, wherein, operating element advantageously arcuately surrounds two housing parts and to be directly fixed on release element and to be therefore fixed on axis a, thus lockable mechanism by release element placed in the middle on articulated fast and handled simply.
Advantageously, release element by least one flexible member by pretension on a fixing position, wherein, advantageously spring element, particularly flexural spring or torque spring, particularly helical spring, leaf spring, disc spring, disc spring, torsion-bar spring or diaphragm spring can be used as flexible member.At this, advantageously, flexible member can be made up of plastics or metal.
Lock piece is preferably configured to Tapered Cup, clavate part or spherical parts, is especially configured to steel ball, and wherein, in a particularly preferred configuration, locking level is configured to notch, and wherein, the embodiment of notch is corresponding to the embodiment of lock piece.
In one preferred embodiment, notch, auxiliary section and lock piece are arranged in the both sides of the axis of symmetry s of hand held power machine, wherein, a pair notch opposite each other forms a locking level, thus, not only can guarantee the stable guiding of whole lockable mechanism but also the seamless locking of whole lockable mechanism can be guaranteed.
Preferably, lock piece can be arranged in outside axis of symmetry s like this, a region around axis of symmetry s on the first housing parts is kept freely, thus allows without difficulty to arrange battery and allow by electric connection or pipeline, battery to be attached on the CD-ROM drive motor of the second housing parts.Wherein, locking level is advantageously arranged on the second housing parts and at least one auxiliary section and arranges on the first housing parts.
Usually, hand held power machine is interpreted as the hand held power machine of all bendables, such as clavate screw machine, battery rig, impact drill, multi-purpose tool and/or the formula of boring screw machine.Wherein, in one preferred embodiment, hand held power machine is the clavate screw machine of bendable or the battery screw machine of bendable, the clavate screw machine of described bendable or the battery screw machine of bendable have clutch and transmission device for the transmission of torque that will be produced by CD-ROM drive motor to driving shaft, wherein, drill bit, different joint (Bitaufsatz) or unit head can be used as instrument.
Transmit electric energy especially to should be understood in this case, hand held power machine is by connecting to the electric wire on fuselage and/or being transferred the energy on CD-ROM drive motor by battery in the housing.
From below of the present invention to drawing other feature, application feasibility and advantage of the present invention the explanation of embodiment, described embodiment illustrates in the drawings.It should be noted that the feature illustrated only has described characteristic and also can use with the Feature Combination of the improvement project described in other at this, and the present invention is not limited to any form.
Accompanying drawing explanation
Illustrate in greater detail the present invention according to preferred embodiment below.Accompanying drawing is schematic and shows:
Fig. 1 illustrates the schematic, exploded of the hand held power machine that the motor according to bendable of the present invention according to first embodiment of the invention drives by way of example;
Fig. 2 illustrates the schematic side elevation of the hand held power machine of Fig. 1 in primary importance;
Fig. 3 illustrates the three-dimensional cutaway view of the amplification of the local I II of Fig. 2;
Fig. 4 illustrates the sectional view of the line A-A along Fig. 2;
Fig. 5 illustrates the schematic side elevation of the hand held power machine of Fig. 1 in the second place;
Fig. 6 illustrates the three-dimensional cutaway view of the amplification of the local VI of Fig. 5;
Fig. 7 illustrates the sectional view of the line B-B along Fig. 5;
Fig. 8 illustrates the schematic side elevation of the hand held power machine of Fig. 1 on the 3rd position;
Fig. 9 illustrates the three-dimensional cutaway view of the amplification of the local I X of Fig. 8;
Figure 10 illustrates the sectional view of the line C-C along Fig. 8;
Figure 11 illustrates the schematic side elevation of the hand held power machine of Fig. 1 on the 4th position;
Detailed description of the invention
Fig. 1 shows the schematic, exploded of an embodiment according to hand held power machine 100 of the present invention, described hand held power machine has the first housing parts 105 and the second housing parts 110, described second housing parts is hinged on the first housing parts 105 like this, and the first housing parts 105 can be rotated around axis a relative to the second housing parts 110.According to shown embodiment, hand held power machine 100 in order to be mechanically connected with batteries 190 for induced current and be electrically connected with not relying on network, and described batteries is disposed in the first housing parts 105.First housing parts 105 is configured to handle 115.The electric drive motor 180 and the transmission device 170 that are supplied induced current by batteries 190 is furnished with in the second housing parts 110.CD-ROM drive motor 180 is connected with driving shaft 120 by transmission device 170.
Driving shaft 120 is supported in the second housing parts 110 with energy rotation mode by bearing assembly 130.Driving shaft 120 has and is exemplarily configured to externally threaded fixture 122, and such as means accepts portion can be fixed in described fixture.In FIG, not shown means accepts portion, but it is fixed on described driving shaft by the fixture 122 be arranged on driving shaft 120 in principle.Means accepts portion be used for receiving tool and can be formed on driving shaft 120 or sleeve-shaped be connected with described driving shaft.Bearing assembly 130 can be fixed in the second housing parts 110 at this.
Hand held power machine 100 shown in Figure 1 is exemplarily configured to battery screw machine.Such as, but it is pointed out that and the invention is not restricted to battery screw machine, but can be applied in different hand held power machines, instrument is in rotation status in such applications, in battery rig.Transmission device 170 can be such as the planetary transmission being configured with different gear or epicyclic gear stage, for described planetary transmission has been attached troops to a unit a torque clutch.In the operation of hand held power machine 100, transmission device 170 is driven rotatably by CD-ROM drive motor 180.CD-ROM drive motor 180 is such as handled by unshowned hand switch, that is, opens and closes, and can be arbitrary motor type, such as electric rectification motor or d.c. motor.Preferably, CD-ROM drive motor 180 can be controlled electrically like this or adjust, and makes the predetermined value that not only can realize inverted running but also can realize the rotating speed expected.By the prior art not only structure of known work principle but also known suitable CD-ROM drive motor and the structure of transmission device 170 driven by CD-ROM drive motor 180 and acting in conjunction that the is known and clutch for regulating torque fully, thus in this case interest of clarity and omit detailed description.
Between the first housing parts 105 and the second housing parts 110, be furnished with articulated 120, described articulated comprises lockable mechanism.Thus, the second housing parts 110 has multiple locking level 260, and wherein, locking level 260 is made up of multiple notch 265, and described notch is arranged in the both sides of the axis of symmetry s of hand held power machine 100 or the second housing parts 110.First housing parts 105 has FX 215 in the both sides of this axis of symmetry s on one end respectively, described FX is surrounded the region of locking level 260 and notch 265 and is had auxiliary section 230 respectively at this in axis of symmetry s both sides, the such configuration in described auxiliary section, in the notch that lock piece 220 is coupled to by auxiliary section 230 in described notch 265.In the illustrated embodiment, two spherical lock pieces 220 are provided with.In the both sides of axis of symmetry s in the state of locking, a lock piece 220 is had to be coupled in the notch 265 of locking level 260 by auxiliary section 230 respectively, thus, auxiliary section 230 is fixed relative to locking level 260 and therefore the first housing parts 105 is fixed relative to the position of the second housing parts 110.In the state of non-locking, lock piece 220 discharges auxiliary section 230, thus allows the motion between different locking levels 260 and therefore allow the first housing parts 105 relative to the rotation step by step around axis a in articulated 200 of the second housing parts 110.
In order to ensure this function, lockable mechanism has locking element 210 (release element), described in go locking element surround this end of the first housing parts 105 in the both sides of axis of symmetry s and therefore surround and have these two FX 215 of auxiliary section 230.Go locking element 210 to comprise a latch elements 212 on each side of the axis of symmetry, lock piece 220 is fixed in notch 265 by described latch elements in the state of locking.In the state of non-locking, latch elements 212 moves in the notch 232 of FX 215 along x direction, lock piece 220 is released and can skids off from notch 265 thus, thus allows the first housing parts 105 to rotate around axis a relative to the second housing parts 110.In order to realize the manipulation of locking element 210, be provided with operating element 214, described operating element arcuately implement and both sides with can rotate around axis a go locking element 210 to be connected and make integratedly with removing locking element 210 in the illustrated embodiment.
In addition, lockable mechanism comprises flexible member 240, and described flexible member is especially configured to torsion resilient element pertaining and is preferably made up of plastics or metal.Flexible member 240 ensure that, locking element 210 is gone to be connected with two housing parts tightly in advance like this, make lock piece 220 and auxiliary section 230 when not handling locking element 210 be arranged in the state of locking relative to locking level 260, the first housing parts 105 is fixed relative to the position of the second housing parts 110 and therefore lockable mechanism is self-locking thus always.
In addition, hand held power machine 100 has connector 250, by means of described connector, and these two housing parts 105,110, flexible member 240 and go locking element 210 to be connected to each other.Connection Element 250 directly extends through axis a and can such as be configured to screw or bolt.
Therefore axis a or the connector 250 extending through axis a run through the described structure of this hand held power machine 100 like this, make sealing of each component form four cutting planes on this axis a.
The hand held power machine 100 of Fig. 1 is shown in figures 2,3, and 4 respectively, wherein, lockable mechanism to be in primary importance and to go locking element 210 to be being maneuvered to the position of a unblock from a fixing position by the power of resisting the flexible member 240 of pretension along the operating element 214 of x direction movement.Remove locking element 210 by handling, latch elements 212 moves in the notch 232 of FX 215 along x direction, and lock piece 220 is released and the notch 265 no longer fixedly remaining on locking level 260 neutralizes and no longer fixedly remains in auxiliary section 230 thus.
The hand held power machine 100 of Fig. 1 is shown in figures 5,6 and 7 respectively, and wherein, lockable mechanism is in the second place, and in the described second place, the second housing parts 110 occurs to rotate step by step around axis a along y direction relative to the first housing parts 105.Because on the position that operating element 214 is in unblock and latch elements 212 be in the notch 232 of FX, so lock piece 220 is released and skids off from the notch 265 of locking level 260.Therefore, the second housing parts 110 can rotate along y direction around axis a relative to the first housing parts 105.At this, lock piece 220 is by going to locking element 210 and auxiliary section 230 to guide until be directed in the notch 265 of next locking level 260.If arrive next locking level 260, locking element 210 is so gone to get back in fixing position by the flexible member 240 of pretension is directed again as shown in Fig. 8,9 and 10 by operating element 214.At this, lock piece 220 returns and is pushed back in the notch 265 of auxiliary section 230 and next locking level 260, and is fixed by latch elements 212 at that.
Figure 11 shows the hand held power machine of Fig. 1, and wherein, lockable mechanism is on the 4th position.Arrive next locking level 260 and go locking element 210 to be arranged in fixing position.Lock piece 220 gone the latch elements 212 of locking element 210 to be fixed in auxiliary section 230 and corresponding locking level 260 notch 265 in, do not allow the motion between locking level 260 and auxiliary section 230 thus and stop the first housing parts 105 relative to the rotation step by step around axis a in articulated 200 of the second housing parts 110.
Except illustrate with describe embodiment, other embodiment can be imagined, described embodiment can comprise other amendment and Feature Combination.

Claims (12)

1. hand held power machine (100), comprise the first housing parts (105) and the second housing parts (110) be connected with described first housing parts (105) by articulated (200), and comprise lockable mechanism, wherein, described lockable mechanism has at least two locking levels (260) and at least one auxiliary section (230), wherein, in the state of locking, lock piece (220) is relative to the fixing described auxiliary section (230) of a locking level (260) and therefore fix the position of described first housing parts (105) relative to described second housing parts (110), and, in the state of non-locking, described lock piece (220) discharges like this, make to allow the motion between described locking level (260) and described auxiliary section (230) and allow described first housing parts (105) relative to described second housing parts (110) in described articulated (200) around the rotation step by step of axis (a),
It is characterized in that,
Be provided with the release element (210) arranged in the mode can rotated around described axis (a), to realize the step by step rotation of described first housing parts (105) relative to described second housing parts (110).
2. hand held power machine according to claim 1 (100), it is characterized in that, described release element (210) comprises latch elements (212), wherein, described latch elements (212) is fixed described lock piece (220) and is discharged described lock piece when handling described release element (210) in the state of locking.
3. hand held power machine according to claim 1 and 2 (100), is characterized in that, described release element (210) has operating element (214).
4. hand held power machine according to any one of claim 1 to 3 (100), is characterized in that, described release element (210) by least one flexible member (240) by pretension on a fixing position.
5. hand held power machine according to claim 4 (100), it is characterized in that, described flexible member (240) is spring element, particularly flexural spring or torque spring, particularly helical spring, leaf spring, disc spring, disc spring, torsion-bar spring or diaphragm spring.
6. the hand held power machine (100) according to claim 4 or 5, is characterized in that, described flexible member (240) is made up of plastics or metal.
7. the hand held power machine (100) according to any one of the claims, is characterized in that, described lock piece (220) is configured to Tapered Cup, clavate part or spherical parts, is particularly configured to steel ball.
8. the hand held power machine (100) according to any one of the claims, is characterized in that, described locking level (260) is configured to notch (265).
9. hand held power machine according to claim 8 (100), it is characterized in that, described notch (265), described auxiliary section (230) and described lock piece (220) are arranged in the both sides of the axis of symmetry (s) of described hand held power machine (100), wherein, a pair notch (265) opposite each other forms a locking level (260).
10. the hand held power machine (100) according to any one of the claims, it is characterized in that, described locking level (265) is disposed on described second housing parts (110), further, described at least one auxiliary section (230) is disposed on described first housing parts (105).
11. hand held power machines (100) according to claim 9 or 10, it is characterized in that, described lock piece (220) is arranged in outside the described axis of symmetry (s) like this, makes to keep freely in the upper region around the described axis of symmetry (s) of described first housing parts (105).
12. hand held power machines (100) according to any one of the claims, wherein, described hand held power machine (100) is the clavate screw machine of bendable or the battery screw machine of bendable, and the clavate screw machine of described bendable or the battery screw machine of bendable have clutch and transmission device (170) for the transmission of torque that will be produced by CD-ROM drive motor (180) to driving shaft (120).
CN201510144523.8A 2014-04-02 2015-03-30 Handheld tool machine Pending CN104972443A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014206244.6A DE102014206244A1 (en) 2014-04-02 2014-04-02 Hand tool
DE102014206244.6 2014-04-02

Publications (1)

Publication Number Publication Date
CN104972443A true CN104972443A (en) 2015-10-14

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ID=54146294

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510144523.8A Pending CN104972443A (en) 2014-04-02 2015-03-30 Handheld tool machine

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CN (1) CN104972443A (en)
DE (1) DE102014206244A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110000411A (en) * 2019-03-27 2019-07-12 浙江华格供应链服务有限公司永康分公司 A kind of rotatable electric drill of handle

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016224577A1 (en) 2016-12-09 2018-06-14 Robert Bosch Gmbh Hand tool

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1080121A (en) * 1913-09-03 1913-12-02 Alfonso Oriol Joint adjustable handle.
US5784934A (en) * 1997-01-30 1998-07-28 Shinano Pneumatic Industries, Inc. Ratchet wrench with pivotable head
CN201455872U (en) * 2009-08-13 2010-05-12 重庆市电力公司超高压局 Bending-angle screw driver
US8402865B2 (en) * 2010-11-03 2013-03-26 Yih Cheng Factory Co., Ltd. Hand tool

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1080121A (en) * 1913-09-03 1913-12-02 Alfonso Oriol Joint adjustable handle.
US5784934A (en) * 1997-01-30 1998-07-28 Shinano Pneumatic Industries, Inc. Ratchet wrench with pivotable head
CN201455872U (en) * 2009-08-13 2010-05-12 重庆市电力公司超高压局 Bending-angle screw driver
US8402865B2 (en) * 2010-11-03 2013-03-26 Yih Cheng Factory Co., Ltd. Hand tool

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110000411A (en) * 2019-03-27 2019-07-12 浙江华格供应链服务有限公司永康分公司 A kind of rotatable electric drill of handle

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