CN201214163Y - Improved power tool - Google Patents

Improved power tool Download PDF

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Publication number
CN201214163Y
CN201214163Y CNU2007201939510U CN200720193951U CN201214163Y CN 201214163 Y CN201214163 Y CN 201214163Y CN U2007201939510 U CNU2007201939510 U CN U2007201939510U CN 200720193951 U CN200720193951 U CN 200720193951U CN 201214163 Y CN201214163 Y CN 201214163Y
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CN
China
Prior art keywords
saw
power
motor shell
guide
hanger
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CNU2007201939510U
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Chinese (zh)
Inventor
小理查德·C·尼克尔斯
迈克尔·I·麦克道威尔
戴维·L·威克尔
蒂姆·J·鲍曼
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.)
Black and Decker Inc
Original Assignee
Black and Decker Inc
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 Black and Decker Inc filed Critical Black and Decker Inc
Application granted granted Critical
Publication of CN201214163Y publication Critical patent/CN201214163Y/en
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Abstract

The utility model relates to an improved power tool. The power tool is provided with a hanger that is provided with a plurality of gap width positions, so as to join the materials with different thickness. A power-supply wire is mounted inside a tool shell, and is provided with an extra-length cable that is arranged between a wire clip and the tool shell part of a fixed-wire protector. A curling device is mounted on the power-supply wire that is close to a flexible-wire protector. When the flexible wire bears the yanking, the wire moves in the axial direction corresponding to the flexible-wire protector. For the movement of the wire, the curling device compresses the extending end part of the flexible-wire protector, so as to absorb the energy and to reduce the action force that is transferred to a flexible-wire device conductor. A kerf guide comprises a long guide arris and two connection points that are connected with a saw boot/a basic body. The kerf guide is connected with the basic body/the saw boot through a pair of L-shaped openings, and the openings accommodate the L-shaped supporting arm of the kerf guide.

Description

Improved power tool
Technical field
The disclosure relates to multiple improved power tool, and particularly relates to instrument hanger, flexible cord device load protector, and saw kerf guide.
Background technology
The application requires in the rights and interests of the US provisional application NO.60/863467 of application on October 30th, 2006, and its disclosure is combined in reference herein.
The statement of this part only provides the relevant background information of the disclosure can not constitute prior art.
Portable dam is equipped with the instrument hanger usually.The instrument hanger allows the user when instrument does not use instrument to be placed down on the structural member that makes things convenient for the position.These hangers can be incorporated in the design of instrument, perhaps can be the after-market annexes of bolt-connection.Present disclosure is at the instrument hanger that can pivot between use location and non-use position.This hanger is designed to have roomy opening to accept the material of various sizes.For example, this roomy instrument hanger can be accepted 2x thickness framework timber, the Wood products of engineering, for example LVL and assembled portion, for example mark Milan framework-joist (MacMillan Truss-Joists TM), its both is thicker than 2x framework timber.
Preferably, the hanger of broad has the position of two or more interruption width, so that grafting material securely.And it also can have the sloping portion between wide and the narrowest width position, is applied in the material of interior thickness allowing.
According to the other aspect of this invention, for heavier portable power tool, for example portable saw, the defective of common aspect is to cause separating of power line and instrument owing to being applied to impact load on the power line or wrench.When instrument drops the plug ends of power line simultaneously fixedly the time, work as perhaps that the user is carrying instrument or it is lowerd from the floor to the floor or gripping the power line descending stair period of the day from 11 p.m. to 1 a.m above-mentioned situation may take place.
The utility model content
The purpose of this utility model provides a kind of improved power tool to overcome defective of the prior art.
One side of the present utility model provides a kind of power saw, and this power saw comprises the saw body that has motor shell and be connected to the handle on the described motor shell; Be configured in the motor in the described motor shell; Can be connected to the saw blade on the described motor drivingly; And be pivotably connected to and be used for the hanger that between stowed position and hanging position, moves on the described saw body, it is suitable for hanging described power saw.
Of the present utility modelly also provide a kind of power saw on the other hand, this power saw comprises the saw body that has motor shell and be connected to the handle on the described motor shell; Be configured in the motor in the described motor shell; Can be connected to the saw blade on the described motor drivingly; And be connected to hanger on the described saw body, wherein said hanger comprises the supporting arm that is pivotably connected on the described saw body and limits first and second sweeps that limit the U-type hook portion in the space with first size therebetween, described hanger comprises the step part that terminates in the described hanger end, and described step part limits the space greater than second size of described first size of having between described step part and the described supporting arm.
One side more of the present utility model provides a kind of power tool, this power tool to comprise the tool body that has motor shell and be connected to the handle on the described motor shell, and described tool body limits groove; Be configured in the motor in the described motor shell; Be connected to the power line on the described motor; Elastomer flexible cord protector, it is installed on the described power line and comprises and be received in the flange section that first in the described groove radially extends; And crimping device, it is installed on the described power line and comprises and be received in the described groove and dispose against second flange section that radially extends of the end of described elastomer flexible cord protector.
One side more of the present utility model provides a kind of annular saw, this annular saw to comprise the tool body that has motor shell and be connected to the handle on the described motor shell; Be configured in motor in the described motor shell; Can be connected to the circular saw blade on the described motor drivingly; Be installed in the saw boots on the described tool body, described saw boots limit a pair of opening in its side; And be releasably attached to saw kerf guide on the described opening in the described saw boots, and described saw kerf guide comprises microscler guide arris, this guide arris is by a pair of septal branch bearing arm supporting that is received in the described opening centering in the described saw boots.
For the high active force that makes power line conductor or connector and apply by the wrench power line isolated; power line according to present disclosure is installed in the tool housing, at wire clamp with fixedly be equipped with the little standby ring or the extra length of cable between tool housing that part of of flexible cord protector.(crimp-on) device that curls is placed on the power cable of contiguous flexible cord protector.When flexible cord bore wrench, cable then axially moved relative to the flexible cord protector.Because cable movement, crimping device promptly compresses the end of the extension of flexible cord protector, thereby absorbs energy and reduced to be delivered to the flexible cord device conductor that disposes in the housing or the active force on the connector.
According to another aspect of present disclosure principle, the saw kerf guide is used as the annex of portable saw, realizes accurately saw kerf cutting with auxiliary user on workpiece.Present disclosure comprises the saw kerf guide, and it has long guiding arris and two tie points to the saw boots/matrix of saw.Saw kerf guide annex is connected on matrix/saw boots by pair of L-type opening.This L-type opening is multiduty, wherein they be can be with existing saw kerf guide adaptive and they accept the L-type supporting arm of the saw kerf guide of present disclosure.L-type geometry provides on the durability of saw kerf guide significantly and improves.Supporting arm can be used hinge connector, for example by rivet, is fixed on the guide arris, is folded into compacter size so that deposit.Another two-part formula that articulated the connected guiding arris that can select design to use by the band hinge connector can be folded the saw kerf guide.
Further application will become more obvious by explanation provided herein.Should be appreciated that just illustrative purposes and mean the scope that limits present disclosure by no means for example of these explanations and specific embodiment.
Description of drawings
The accompanying drawing that this paper describes just is used for the intention that illustrative purposes does not have any restriction present disclosure scope.
Fig. 1 is the perspective view according to the exemplary worm-drive saw with instrument hanger of present disclosure principle;
To be exemplary saw be hung in top view on the joist by hanger to Fig. 2;
Fig. 3 is the end-view that saw is suspended on joist shown in Fig. 2;
Fig. 4 is the plane according to the exemplary hanger structure of present disclosure principle;
Fig. 5 is the selective structure according to the instrument hanger of present disclosure principle;
Fig. 6 A is the cross-sectional view of exemplary 2x joist;
Fig. 6 B is the cross-sectional view of exemplary engineering joist;
Fig. 6 C remains the cross-sectional view of other example architecture-joist;
Fig. 7 is the sectional view that shows according to the flexible cord device load protector of present disclosure principle;
Fig. 8 is the view that is similar to Fig. 7 that has the load that is applied on the flexible cord;
Fig. 9 is the perspective view of application according to the exemplary wire clamp of the flexible cord device load protector of present disclosure principle;
Figure 10 is the perspective view of first folder half;
Figure 11 is the perspective view of second folder half;
Figure 12 is the perspective view of selectable flexible cord device load protector, for the illustration purpose handle is partly removed;
Figure 13 is the perspective view according to the exemplary saw of the principle of present disclosure and saw kerf guide;
Figure 14 is the perspective view according to the selectable specific embodiment of the saw of the principle of present disclosure and saw kerf guide;
Figure 15 is the perspective view of the saw of removing the saw kerf guide represented among Figure 13;
Figure 16 shows that the L-type passage that is provided with in the saw boots is to be used to accept the L-type of saw kerf guide or the near-sighted plane of straight supporting arm;
Figure 17 shows the perspective view of using the exemplary saw kerf guide of hinge connector between guide arris and supporting arm;
Figure 18 is the perspective view that is still exemplary saw kerf guide in addition according to the principle of present disclosure, and it has the two-part formula guiding arris by the articulated connection of band hinge connector.
The specific embodiment
Below explanation be exemplary be not intention restriction content of the present disclosure, application or purposes.Should be appreciated that whole accompanying drawings, corresponding Reference numeral is all represented identical or corresponding components and feature.
Referring to Fig. 1, exemplary power tool 10 shown in Figure 1 comprises hanger 12, and it is pivotably connected on the instrument, can move between use location and non-use position to allow hanger.As shown in Figure 1, hanger 12 is provided on the non-use position, and wherein end parts 12a is received in the groove 14 in the handle 16.Fig. 2 and 3 shows hanger 12 on the use location, and hanger 12 all is bonded on the joist (J) in top view (Fig. 2) and end-view (Fig. 3).
As shown in Figure 4, hanger 12 comprises supporting arm 18, and it is pivotably connected on the body of saw 10.First roughly 90 ° sweep 20 and second roughly 90 ° sweep 22 limit U-type hook portions 24, its bulk that limits therebetween is the framework timber that X1 preferably is designed to admit 2x thickness.Design hanger 12 is for having the step part 26 among the end parts 12a that terminates in hanger 12.Step part provides the broad that preferably has size X2 opening, and this size is provided with to such an extent that can accept the Wood products of thickness, for example engineering joist and framework-joist (Truss-Joists greatly TM), its both is thicker than 2x framework timber.
Pass through example, as as shown in Fig. 6 A-6C, the 2x timber that shows among Fig. 6 A has 1.5 inches thickness, and LVL engineering joist, as at the thickness that has 1.75 inches as shown in Fig. 6 B, and typical mark Milan framework-joist (MacMillanTruss-Joists TM) can have 2.38 inches thickness, as shown in Fig. 6 C.About hanger 12, according to the principle of present disclosure, the instrument hanger can be accepted the material of various sizes, is used for power tool 10 is hung thereon securely.Hanger 12 is expressed as has single step part 26, is to be understood that by it and can adopts a plurality of step parts, so that adapt to three or more discontinuous width positions.Selectively, as shown in FIG. 5, hanger can be provided with sloping portion 28, so that adapt to the framework timber of various intermediate sizes.Sloping portion 28 answers wedge to come on the outer edge of intermediate sizes timber, so that can support power tool 10 securely on it.
Referring to Fig. 7, Fig. 7 represents that flexible cord device load protector 110 is used to stop from flexible cord 112 and impacts on the electric power tool 10 and be applied to high active force on the power line 112.As shown in FIG. 1, power tool 10 comprises flexible cord 112 and the flexible cord protector 114 that extends from the instrument rearward end.Flexible cord protector 114 is installed in the groove 116 that is arranged in the power tool housing 118.Groove 116 can be square or circular cross section, and wherein limits cavity in order to admit the flange section 120 that radially extends of elastomer flexible cord protector 114.Radially the flange section 120 of Yan Shening is provided with against shoulder part 122.Clamped or the volume of crimping device 124 is set on the power line 112 and comprises the flange section 126 that radially extends, and it is provided with to such an extent that be resisted against on the end parts of the flexible cord protector 114 in the cavity 116 of housing 118.Flange section 126 be provided with the shoulder that extends radially inwardly 128 of the cavity 116 that provides in the housing 118.
Crimping device 124 engages power lines, so that so that mode is axially and be rotatably fixed on the power line 112 in greater detail herein.And power line 112 also in this way is clamped on the tool housing by the wire clamp 130 that provides in the power tool 10, and this method is that additional cable length 112a is provided between crimping device 124 and wire clamp in housing.Wire clamp 130 can be by securing member 132 or other known fixing means rivet for example, welding, and grommets etc. are installed on the housing.Wire clamp 130 can reach several inches with groove 116 is spaced apart.Because clip is to be in that to have replaced on two different positions generally be to be on the identical position, make the wire clamp 130 that disposes inwards from groove 116 further improve flexible cord deflection durability by flexible cord stress and the stress on the flexible cord that is bent, this has just improved the flex life of this conductor.
When big directed force F is applied on the power line 112; as shown in Figure 8; this power line 112 power F axially on be pulled; the motion of power line 112 relative housings 118 causes crimping device 124 relative shoulder part 158 axially-movables; thereby therefore the flange section 120 of the flange section of crimping device 124 126 compression flexible cord protectors 114 has absorbed the active force that is applied on the flexible cord 112.The axially-movable of crimping device 124 relative wire clamps 130 will take some and be located at therebetween additional cable length 112a, apply active force on wire clamp 130 simultaneously.
Crimping device 124 can adopt many forms.By embodiment, as shown in Fig. 9 and 11, crimping device 124 can comprise first folder, half 136 and second folder half 138.Each folder half 136,138 is provided with semicylinder part 140, and each semicylinder partly is provided with a plurality of ribs that extend radially inwardly 142 that are designed to engage and clamp against the outer surface of power line 112.First folder half 136 is provided with a plurality of holes 144, and each hole is suitable for admitting a plurality of snap closes that are arranged on the correspondence on second folder half 138 to refer to part 146.Each of first folder, half 136 and second folder half 138 comprises radial flange part 126A respectively, 126B, and it limits the flange section 126 that radially extends of crimping device 124.Refer to that with pinch engagement mode snap close on the power line 112 part 146 is fixed to second folder half 138 on first folder half 136, thereby prevent that relative clamping devices of power line 112 124 are axial or rotatablely move.Should be appreciated that the principle according to this paper disclosure, other clips or coiled structure also can be applied in the flexible cord device load protector 110.
Referring to Figure 12, the selectable flexible cord device of expression load protector 110 ' among the figure, it comprises splits clamping device 124 ' in the groove 302 that is received in the handle portion 300, reverses or is pushed in the handle apparatus to prevent assembly.This subdivision clip 124 ' is independent of handle apparatus 300 and stops complete flexible cord device 112 and auxiliary the strand that wraps filling.Flexible cord protector 114 ' is included in the additional equipment of mounting end, and it prevents to reverse and set up the spring of absorbing vibration.
Referring to Figure 13, Figure 13 represents the saw 10 according to the principle of this paper disclosure, and it is provided with adjustable ground and is installed to the saw kerf guide of sawing on the boots 212 210.Saw kerf guide 210 comprises the microscler guiding arris 214 by a pair of supporting arm 216,218 supportings.Supporting arm 216,218 is provided with L-type cross section and is received within the L-type opening 220,222 that is arranged in the saw boots 212.The L-type cross section of supporting arm 216,218 has obviously improved the durability of saw kerf guide 210 by the structural strength that increase is provided.L-type supporting arm 216,218 has also improved guidance quality and stability that the saw kerf guide is sawed boots 212 relatively.Selectable, the supporting arm of other patterns such as T-type, the I-type, the C-type, the straight cross section of perpendicular straight or level can adopt.Interface between opening 220,222 and supporting arm can have " the band key " interface, and wherein interface has horizontal pattern and vertical pattern.Be arranged on these corresponding L-types in the saw boots 212, T-type, I-type and C-type opening 220,222 also are adapted to be used in straight cross section supporting arm 230 (see figure 5)s in traditional saw kerf guide.
As shown in Figure 13, supporting arm 216,218 can be fixedly connected on the guide arris 214, for example by soldering, and welding or other known tightening technologies.Selectable, as shown in Figure 14, supporting arm 216,218 can for example be connected on the guide arris 214 by rivet or other pivot fastener by hinge connector 240, it allows the relative guide arris 214 of supporting arm to fold, for use in depositing more compactly.
According to other selection, as shown in Figure 18, supporting arm 216,218 can be connected on the two-piece type guiding structural arris 214 ' that comprises the first guide arris 214a and the second guide arris 214b, it connects by articulated 242, and this articulated is pivotably connected to each guide arris part 214a, on the 214b, to allow guide arris 214 ' folding, so that deposit compactly in the mode of generally splitting.

Claims (17)

1, a kind of power saw is characterized in that, comprising:
Comprise motor shell and the saw body that is connected to the handle on the described motor shell;
Be configured in the motor in the described motor shell;
Can be connected to the saw blade on the described motor drivingly; And
Be pivotably connected to be used for the hanger that moves on the described saw body between stowed position and hanging position, it is suitable for hanging described power saw.
2, according to the described power saw of claim 1, it is characterized in that, described hanger comprises the supporting arm that is pivotably connected on the described saw body and limits first and second sweeps that limit the U-type hook portion in the space with first size therebetween, described hanger comprises the step part that terminates in the described hanger end, and described step part limits the space greater than second size of described first size of having between described step part and the described supporting arm.
3, according to the described power saw of claim 2, it is characterized in that, also comprise the sloping portion that extends to described step part from described U-type hook portion.
According to the described power saw of claim 1, it is characterized in that 4, described saw blade is a circular saw blade.
5, a kind of power saw is characterized in that, comprising:
Comprise motor shell and the saw body that is connected to the handle on the described motor shell;
Be configured in the motor in the described motor shell;
Can be connected to the saw blade on the described motor drivingly; And
Be connected to the hanger on the described saw body, wherein said hanger comprises the supporting arm that is pivotably connected on the described saw body and limits first and second sweeps that limit the U-type hook portion in the space with first size therebetween, described hanger comprises the step part that terminates in the described hanger end, and described step part limits the space greater than second size of described first size of having between described step part and the described supporting arm.
6, according to the described power saw of claim 5, it is characterized in that, also comprise the sloping portion that extends to described step part from described U-type hook portion.
According to the described power saw of claim 5, it is characterized in that 7, described saw blade is a circular saw blade.
8, a kind of power tool is characterized in that, comprising:
Comprise motor shell and the tool body that is connected to the handle on the described motor shell, described tool body limits groove;
Be configured in the motor in the described motor shell;
Be connected to the power line on the described motor;
Elastomer flexible cord protector, it is installed on the described power line and comprises and be received in the flange section that first in the described groove radially extends; And
Crimping device, it is installed on the described power line and comprises and be received in the described groove and dispose against second flange section that radially extends of the end of described elastomer flexible cord protector.
According to the described power tool of claim 8, it is characterized in that 9, also comprise the wire clamp that is installed on the described tool body and clamps described power line betwixt, wherein said power line has the sagging part between described wire clamp and described crimping device.
According to the described power tool of claim 8, it is characterized in that 10, described crimping device is to split clamping device.
11, a kind of annular saw is characterized in that, comprising:
Comprise motor shell and the tool body that is connected to the handle on the described motor shell;
Be configured in motor in the described motor shell;
Can be connected to the circular saw blade on the described motor drivingly;
Be installed in the saw boots on the described tool body, described saw boots limit a pair of opening in its side; And
Be releasably attached to the saw kerf guide on the described opening in the described saw boots, described saw kerf guide comprises microscler guide arris, and this guide arris is by a pair of septal branch bearing arm supporting that is received in the described opening centering in the described saw boots.
According to the described annular saw of claim 11, it is characterized in that 12, described supporting arm is to having L-type cross section.
According to the described annular saw of claim 11, it is characterized in that 13, described supporting arm is to being pivotally mounted on the described microscler guide arris.
14, according to the described annular saw of claim 11, it is characterized in that, described supporting arm right described at least one comprise measurement scale on it.
According to the described annular saw of claim 11, it is characterized in that 15, described arris guide comprises the first and second guide arris that connected by the articulated that is pivotally connected to the described first and second guide arris.
According to the described annular saw of claim 11, it is characterized in that 16, the described opening in the described saw boots has L-type cross section.
According to the described annular saw of claim 11, it is characterized in that 17, the described opening of described saw boots and described supporting arm centering has the key shape interface of band level and vertical pattern.
CNU2007201939510U 2006-10-30 2007-10-29 Improved power tool Expired - Fee Related CN201214163Y (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US86346706P 2006-10-30 2006-10-30
US60/863,467 2006-10-30

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CN201214163Y true CN201214163Y (en) 2009-04-01

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CNU2007201939510U Expired - Fee Related CN201214163Y (en) 2006-10-30 2007-10-29 Improved power tool

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106463925A (en) * 2014-06-04 2017-02-22 科世达接触系统有限公司 Electric device
CN107685166A (en) * 2016-08-05 2018-02-13 塞母布雷有限公司 Protective case and rig for rig
CN107914246A (en) * 2016-10-07 2018-04-17 株式会社牧田 Electric tool and the method for detecting the twist motion of its main body and the load of output shaft
CN108080723A (en) * 2017-12-22 2018-05-29 宁波星瑞克中空铝条有限公司 The saw cutting device of aluminum strip in a kind of hollow glass
CN108527480A (en) * 2018-05-24 2018-09-14 上海艾郎风电科技发展(集团)有限公司 Web cutter device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106463925A (en) * 2014-06-04 2017-02-22 科世达接触系统有限公司 Electric device
CN106463925B (en) * 2014-06-04 2019-01-04 科世达接触系统有限公司 Electrical equipment
CN107685166A (en) * 2016-08-05 2018-02-13 塞母布雷有限公司 Protective case and rig for rig
CN107685166B (en) * 2016-08-05 2021-02-05 塞母布雷有限公司 Protective sleeve for drilling machine and drilling machine
CN107914246A (en) * 2016-10-07 2018-04-17 株式会社牧田 Electric tool and the method for detecting the twist motion of its main body and the load of output shaft
CN108080723A (en) * 2017-12-22 2018-05-29 宁波星瑞克中空铝条有限公司 The saw cutting device of aluminum strip in a kind of hollow glass
CN108527480A (en) * 2018-05-24 2018-09-14 上海艾郎风电科技发展(集团)有限公司 Web cutter device

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090401

Termination date: 20151029

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