CN1608774A - Clamp for tool components and improved crimping mechanism - Google Patents
Clamp for tool components and improved crimping mechanism Download PDFInfo
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- CN1608774A CN1608774A CN 200310101468 CN200310101468A CN1608774A CN 1608774 A CN1608774 A CN 1608774A CN 200310101468 CN200310101468 CN 200310101468 CN 200310101468 A CN200310101468 A CN 200310101468A CN 1608774 A CN1608774 A CN 1608774A
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- anchor clamps
- cutter sweep
- locking member
- move
- saw blade
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Abstract
One kind of cutting mechanism includes one fixture with two clamping elements capable of shifting between one clamping position and one releasing position. In the clamping position, one part of the saw blade is fastened in the use position; and in the releasing position, the saw blade may be shifted relatively to the clamping elements. The fixture is connected to the shaft with circular cross section or integrated with the shaft. By means of operating one locking mechanism the fixture may be used as one vertical saw or one winding machine optionally.
Description
Technical field
The present invention relates to a kind of anchor clamps that are used for such as tool components such as saw blades, described tool component is suitable for and uses together such as instruments such as jigsaw or reciprocating saws.A second aspect of the present invention relates to a kind of improved coiled body that is used for such as instruments such as jigsaw or reciprocating saws.
Background technology
First and second aspects of the present invention can be used together and/or use independently of each other, one of ordinary skill in the art will appreciate that this point.In addition, though following description almost only relates to anchor clamps and the coiled body that uses together with jigsaw, be understood that these two aspects of the present invention can use together with any instrument of being wanted.
Usually all have the saw blade anchor clamps that easily unclamp such as instruments such as jigsaw, power saw or reciprocating saws, in the time of needs, described anchor clamps allow to change, dismantle and/or repair saw blade.Utilizable blade holder has many different types, and for example by European patent EP O, 587,498 disclosed anchor clamps have support on its middle slideway, and slideway defines the engagement path of saw blade end.Retractible locking member is fastened on the described support, and the ledge on direct and the saw blade interacts.The user needs to move retractible locking member in order to unclamp described saw blade.Because this tripping-gear needs the directly described saw blade of contact of user, if user's accident is accidentally dropped in this operating process, described saw blade probably hurts them, and this does not wish to see.
Another example of saw blade anchor clamps is disclosed in German patent DE 4,313, in 718.These anchor clamps have two jaws, and described jaw can move radially with respect to the longitudinal axis of saw blade stroke shaft.At a clamped position, described jaw is pressed on the relative straight flange of saw blade by a wedge mechanism.Described wedge mechanism is formed by cap nut, and described cap nut has the interior tapered surface.The outer surface of described jaw has such shape, and promptly described cap nut makes described jaw to move between clamping and released position with respect to the mobile of described jaw.Described cap nut moves between described clamping and released position because described saw blade tripping-gear may need repeatedly to rotate described cap nut, and this has increased user's installation or has unclamped the required time of saw blade.The problem that has a pass with other blade holder comprises needs special tool(s) to unclamp described saw blade and/or described saw blade is installed on the described instrument.
Another kind of known saw blade back-off assembly comprises sliding sleeve spare, and described sliding sleeve spare is used to make described jaw to move between clamping and released position.In this device, described anchor clamps are connected to a cross section and are essentially on the foursquare axle.The problem relevant with this device is that it is difficult to use together with coiled body or other mechanism, and wherein, the orientation of the described tool component that is kept by described anchor clamps need move by the described axle at the described instrument of usefulness.
Summary of the invention
One object of the present invention is to provide a kind of improved coiled body, and described coiled body allows the user fast and easily instrument to be moved to curling pattern from another kind of mode of operation (for example jigsaw cut mode).
Another object of the present invention is to provide a kind of improved anchor clamps that are used for tool component (for example saw blade), and described anchor clamps only need to allow the step can be fast and unclamp described member easily, need not user's direct manipulation and unclamp described member.
According to a first aspect of the invention, a kind of coiled body that is used for jigsaw is provided, described jigsaw comprises saw blade and described coiled body, described coiled body allows described saw blade to move between one or more required use locations, described coiled body comprises first and second locking members at least, described locking member can move relative to each other between first latched position and second separation point position, in first latched position, and the position basic fixed of described locking member engagement and described saw blade; In second separation point position, described locking member separates and the position of described saw blade can change.
Described jigsaw also comprises the anchor clamps that are used for the clamping tool member usually, described anchor clamps comprise one or more clamping elements, described clamping element can move between a clamped position and a released position, at described clamped position, the fastened desired position in use of at least a portion of described tool component; In described released position, described tool component part can move with respect to described clamping element, described anchor clamps also comprise user's operating element, described operating element slidably is installed on the described anchor clamps, be used to handle described clamping element and between described clamped position and described released position, move, it is characterized in that described anchor clamps are connected cross section and are essentially that circular axle is gone up or form one with described axle.
Described axle is the part of formation instrument usually, and described tool component and described instrument use together.
Described axle is preferably formed as the part of coiled body or is connected on the coiled body, and the cross section of described axle is that circle makes described coiled body to work substantially.Described coiled body allows described axle and described coiled body and/or tool component to move between one or more required use locations.
Described axle preferably rotation is installed in the described instrument, and can rotate in described instrument, thereby makes described anchor clamps and tool component move to desired location.
In one embodiment, described axle can move back and forth, thereby the tool component that makes described anchor clamps and be positioned at clamped position moves back and forth.
And described coiled body preferably comprises first and second locking members at least, described locking member can move relative to each other between first latched position and second released position, in first latched position, the position basic fixed of described locking member engagement and described anchor clamps/tool component; In second separation point position, described locking member separates and the position of described anchor clamps/tool component can be regulated.
Preferably be furnished with curling control member, move thereby allow the user to handle at least one described first and/or second locking member, thereby cause described first and second locking members between described locking and released position, to relatively move.
In one embodiment, the form of described first locking member is lock arm or stop pin, and described second locking member has at least one breach, and described lock arm or stop pin are positioned at described latched position when being arranged in described breach.
Second locking member preferably rotates and is installed on the described instrument, and preferably directly or by mechanical fastener be connected to indirectly on the described axle, therefore the user rotates described second locking member and can cause described axle to move---and preferably coaxial rotation, described like this tool component can move to desired location.
In one embodiment, the control member that curls directly or by mechanical fastener is connected on described first locking member indirectly, and the mobile meeting of described control member causes described first locking member to move as straight line.The form of described curling control member is swingle or knob preferably.
The form of described second locking member is swingle or knob preferably.
User's control member of described anchor clamps is slidingly mounted on the described grip device, therefore can make reciprocal linear and slide, thereby described clamping element is moved between described clamping and released position.
Described user's control member links to each other with elastic bias component usually, and described bias component directly or indirectly makes described control member and described clamping element deflect into clamped position.Described elastic bias component generally includes spring, spring load mechanism etc.The user need move described control member so that overcome bias force and make described clamping part move to described clamped position.
Described user's control member preferably is slidingly mounted on the main part of described grip device, and described main part defines a cavity, and described first and second clamping elements are arranged in described cavity.
Between described main part and described user's control member an intermediary element is arranged preferably, the described intermediary element of mobile drive of described user's control member moves, thereby causes described clamping element to move.Described intermediary element can form one with described user's control member or be connected on described user's control member.
Described clamping element is preferably by in the cavity that is pivotally mounted in described main part, and pivots between described clamping and released position or rotate.
Described clamping element radially moves with respect to the longitudinal axis of described grip device/main part.More particularly, the slip of described user's control member cause described clamping element along described grip device radially outward move to described released position, radially be moved into described clamped position along described grip device then.
The best wedgewise of described clamping element, its outer surface outwards is tapered up to described relative outer end from described pivoting point.Determine described cavity described main part to the small part wall in shape can be complementary substantially with the described tapered wall of described clamping element.
In one embodiment, at least one described clamping element comprises meshing part, when described user's control member and described intermediary element when described released position moves to described clamped position, described meshing part just with described intermediary element on the engaged element engagement of complementation.
Described meshing part generally includes one or more projections that are positioned on described clamping element or the described intermediary element, the breach of the one or more complementations on described projection and another described clamping element or the described intermediary element or hole engagement.
At clamped position, a part of tool component is sandwiched between the opposite face of described clamping element.
Be provided with two clamping elements in a most preferred embodiment, they can move between described clamping and released position relative to each other.The edge of each clamping element is provided with a barbed portion, and therefore at clamped position, the described barbed portion of described clamping element is positioned on the neighboring edge, thereby defines a bigger barbed portion.When described intermediary element was mobile between described released position and described clamped position, the jut of described intermediary element was usually located in the described bigger breach.
Described tool component is preferably in the one end at least one jut, and this external one end preferably has a t shape part, and therefore the opposite end at described tool component just has two antipodal juts.
In addition, described main part preferably has a hole or breach, is used to make at least one described jut to be positioned at wherein.A groove also can be arranged, so that described tool component is positioned at described main part on the described main part.
In one embodiment, described tool component is a saw blade, and described instrument is jigsaw, reciprocating saw or the like.
According to a second aspect of the invention, a kind of instrument is provided, described instrument comprises the anchor clamps that are used for the clamping tool member, described anchor clamps comprise one or more clamping elements, described one or more clamping element can move between a clamped position and a released position, at described clamped position, at least a portion of described tool component is fastened to required use location, in described released position, at least a portion of described tool component can move with respect to described clamping element, described anchor clamps also comprise user's control member, described user's control member is used to handle described clamping element and moves between described clamped position and described released position, it is characterized in that described anchor clamps are connected cross section and are essentially on the axle of circle, perhaps form one with described axle.
Described instrument is jigsaw or reciprocating saw preferably, and has coiled body, and during use, described coiled body allows described saw blade to change direction.
The advantage of described coiled body of the present invention is that operation is simple fast, and can use with improved anchor clamps.
Description of drawings
Embodiments of the invention are described with reference to the accompanying drawings, wherein:
Fig. 1 is the anchor clamps in one embodiment of the present of invention and the perspective view of saw blade, and described anchor clamps are positioned at clamped position;
Fig. 2 a is the front exploded view of described anchor clamps and saw blade;
Fig. 2 b is the back side exploded view of described anchor clamps and saw blade;
Fig. 3 a and 3b are the sketches of described clamping element and saw blade, lay respectively at released position and clamped position;
Fig. 4 is the sketch of the inner member of jigsaw, has shown described anchor clamps and coiled body;
Fig. 5 is the outside drawing of the jigsaw among the present invention.
The specific embodiment
At first with reference to Fig. 1-3b, the anchor clamps 2 among the figure are used for releasably clamping employed saw blade 4 such as jigsaw 6 power tools such as grade.
Described anchor clamps 2 comprise the main part 8 that has connector, and the form of described connector is a groove 10, are used for described anchor clamps 2 are connected to axle in the jigsaw 6, and as shown in Figure 4, the form of described axle is reciprocating type long-armed 118.Long-armed 118 cross section is rounded basically, and its first end can be positioned at described groove 10.The interior hole 11 of wall that is limited to groove 10 is used to hold screw, and described screw is used for arm 118 is fastened to main part 8.When described instrument used, reciprocal arm 118 drives anchor clamps 2 and saw blade 4 moves back and forth to cut/to saw.
Clamping element 26,28 is by being pivotally mounted in the cavity 13, and cavity 13 is limited in the main part 8 of usefulness.Described clamping element 26,28 mobile between described clamping and released position is the result that intermediary element 12 moves, and described intermediary element 12 is connected on user's control member that form is a sleeve pipe 42.Each clamping element 26,28 is wedge shape basically, and its outmost surface 38 outwards is tapered up to its upper end 40 from its lower end 29.Limit cavity 13 main part 8 to the wedge shape outer surface of small part wall and described clamping element in complementation in shape.
The opposite end walls 44,46 of sleeve pipe 42 is slidingly mounted on the end wall 43 of main part 8, thereby provides reciprocal linear to slide.The linking arm 14 of intermediary element 12 is positioned at the breach 17 of shape complementarity on the sleeve pipe 42.
It is the meshing part of jut 18 that form is arranged on the intermediary element 12, be used for the form that is positioned on the clamping element 26,28 of clamped position be the meshing part engagement of barbed portion 32.
The intermediary element 12 of t shape has arm 15, and arm 15 is positioned at the upper end of the mainboard 20 that is located substantially on the center, and outwards outstanding from its either side.Linking arm 14 is provided with along the upper limb 16 of described arm 15, and jut 18 is positioned on the described mainboard 20.
Jagged part 32 on the medial surface 34,36 of clamping element 26,28.When use had clamping element 26,28 and is in the anchor clamps of clamped position, saw blade was between described clamping element, so the opposite face of saw blade (being the front and back) is near the clamping surface of described clamping element.The barbed portion 32 of clamping element 26,28 is adjacent one another are but distance therebetween equals the thickness of saw blade, therefore forms bigger barbed portion.Jut 18 on barbed portion that this is bigger and the intermediary element 12 is roughly complementary in shape, so the two can be meshing with each other.
Form is that the elastic bias component of spring (not shown) is positioned at shell 52, and makes intermediary element 12 be offset to a released position, and in the released position, the barbed portion 32 on jut 18 and the clamping element 26,28 breaks away from.Therefore, intermediary element 12 is biased in the upward direction in this embodiment.Because slidable cannula 42 is connected on the intermediary element 12, so sleeve pipe 42 also is biased to described released position.More particularly, the spring engagement in the cavity 50 of bead on the base of mainboard 20 17 and shell 52.The screw connector passes hole 54 on the shell 52 and the hole 56 on the main part 8 is fastened to described shell on the described main part.Shell 52 is positioned at the groove 53 of sleeve pipe 42.
Like this, when using described anchor clamps, the user needs mobile in the upward direction sliding sleeve 42 overcoming the bias force of spring, thereby causes that clamping element 26,28 radially outward moves with respect to the longitudinal axis of anchor clamps.This causes clamping element 26,28 to be separated to the released position.Then, has the saw blade 4 of t shape upper end 48 between the clamping area of described clamping element 26,28.Groove 57 on the pedestal of main part 8 is used to hold saw blade, and therefore upper end 48 is positioned at cavity 13.
When unclamping sleeve pipe 42, described spring is offset described sleeve pipe and intermediary element 12 downwards towards a clamped position.In moving process, jut 18 is positioned at barbed portion 32, and simultaneously as shown in arrow 30, clamping element 26,28 pivots toward each other around its lower limb 29, thereby saw blade 4 is clipped in therebetween.The jut 60 of saw blade 4 is positioned at the hole 59 on the rear wall of main part 8, so saw blade is clipped in the anchor clamps 2 especially tightly.In order to make anchor clamps 2 unclamp saw blade, said method is carried out conversely.
With reference to Fig. 4, in the process of using jigsaw, the coiled body that is used for jigsaw 6 allows the user to change the direction of saw blade 4.
Form is that user's control member of control arm 102 is used for mobile jigsaw 6 between one or more cut mode and curling pattern.Control arm 102 is connected on first locking member that form is a stop pin 104 via attaching parts 106, so the rotation of control arm 102 causes that the linearity of described stop pin 104 moves.
Stop pin 104 passes the groove 108 on the framework 110, and rotation control arm 102 moves pin 104 between the primary importance and the second place, and in primary importance, pin 104 is outstanding from the upper surface 112 of framework 110, and in the second place, pin 104 is recessed in the groove 108.
Form is the top that second locking member of knob 114 is positioned at jigsaw 6, is rotated by the user.Knob 114 is connected on the saw blade anchor clamps 2 by connector 116, and in the present embodiment, connector 116 comprises reciprocating type long-armed 118.Support member 120 is used to keep long-armed 118 position, can rotate freely in long-armed 118 the holes in support member 120.Rotation knob 114 can make long-armed 118 and saw blade 4 rotation, thereby the coiled body of being wanted is provided.
One circumference bead 12 is arranged on the lower limb of knob 114, define a breach 124 in it, the opening 126 of described breach 124 is in the face of described framework 110.When jigsaw was in normal cut mode (promptly not being the pattern of curling), the breach 124 of knob 114 alignd with groove 118, therefore allows the free end 128 of pin 104 to be bonded in the described breach 124, thereby knob 114 is locked in the appropriate position.
Can on the shell of jigsaw 6 and knob 114, do suitable mark, thereby allow user's alignment notch 124 and groove 118.Can also on the shell of jigsaw, do other suitable mark, thereby allow control arm 102 is moved to the desired position, be in the released position of the pattern of curling to guarantee pin 108, or the latched position of cut mode.
Form is the front that the luminous component of laser 130 is arranged on jigsaw 6, thereby provides a visual route in the jigsaw front, allows the user follow this path operations well when cutting.Light emitting path is usually directly downwards towards saw blade anchor clamps 2.Laser 130 can provide energy by battery, or provides energy by the main power source of jigsaw 6.
Engine 132 and gear mechanism 134 are used to drive long-armed 118 and move back and forth by traditional approach.
One of ordinary skill in the art will appreciate that coiled body and anchor clamps can also can provide separately together.Described instrument can comprise any instrument, and its operation element (for example saw blade) need be held.
Claims (21)
1, a kind of form is the cutter sweep of jigsaw, described jigsaw comprises saw blade and coiled body, described coiled body allows described saw blade to move between one or more required use locations, described coiled body comprises first and second locking members at least, described locking member can move relative to each other between first latched position and second separation point position, wherein in first latched position, described locking member engagement and described saw blade are by basic fixed, in second separation point position, described locking member separates and the position of described saw blade can change.
2, cutter sweep as claimed in claim 1, comprise one or more clamping elements, described clamping element can move between a clamped position and a released position, at described clamped position, and the fastened desired position in use of at least a portion of described tool component; In described released position, described tool component part can move with respect to described clamping element, described anchor clamps also comprise user's operating element, described operating element slidably is installed on the described anchor clamps, be used to handle described clamping element and move between described clamped position and described released position, it is characterized in that: described anchor clamps are connected cross section and are roughly that circular axle is gone up or form one with described axle.
3, cutter sweep as claimed in claim 2 is characterized in that described axle forms the part of an instrument, and during use, described tool component and described instrument use together.
4, cutter sweep as claimed in claim 1, it is characterized in that described axle constitutes the part of described coiled body or is connected on the described coiled body, therefore thereby allow described anchor clamps to move, and rotate between one or more required use locations around the longitudinal axis of described tool component.
5, cutter sweep as claimed in claim 4 is characterized in that described axle is with respect to the rotatable installation of described coiled body.
6, cutter sweep as claimed in claim 1 is characterized in that described saw blade is installed on the described axle, and described saw blade and axle can move back and forth, thereby the tool component that allows to be positioned at described clamped position moves reciprocatingly.
7, cutter sweep as claimed in claim 2, it is characterized in that described coiled body comprises first and second locking members at least, described locking member can move relative to each other between first latched position and second released position, in first latched position, described locking member engagement and described anchor clamps basic fixed, in second separation point position, described locking member separates and the position of described anchor clamps can be regulated.
8, cutter sweep as claimed in claim 1 is characterized in that described cutter sweep has curling control member, moves thereby allow the user to handle at least one described first and/or second locking member.
9, cutter sweep as claimed in claim 1, the form that it is characterized in that described first locking member is lock arm or stop pin, described second locking member has at least one breach, and described lock arm or stop pin are arranged in described breach when being in described latched position.
10, cutter sweep as claimed in claim 1 is characterized in that described second locking member rotation is installed on the described instrument.
11, cutter sweep as claimed in claim 1 it is characterized in that described second locking member directly or by mechanical fastener is connected on the described axle indirectly, and the rotation of described locking member causes described axle rotation.
12, cutter sweep as claimed in claim 1 it is characterized in that described curling control member directly or by mechanical fastener is connected on described first locking member indirectly, and the mobile of described control member causes described first locking member to do rectilinear motion.
13, cutter sweep as claimed in claim 12, the form that it is characterized in that described curling control member are knob or swingle, and the rotation of described curling control member causes described first locking member to move.
14, cutter sweep as claimed in claim 1, it is characterized in that described user's control member by elastic deflection directly or indirectly to described clamped position.
15, cutter sweep as claimed in claim 1, it is characterized in that described user's control member is connected on the intermediary element and move with intermediary element, described intermediary element has meshing part, and described meshing part is used for the meshing part engagement with the complementation of the described clamping element that is positioned at described clamped position.
16, cutter sweep as claimed in claim 15, it is characterized in that described meshing part comprises the one or more projections that are positioned on a described clamping element or the described intermediary element, and be positioned at the one or more breach on another described clamping element or the described intermediary element.
17, cutter sweep as claimed in claim 2 is characterized in that described clamping element by being pivotally mounted in the described anchor clamps, and clamp and the released position between can move radially with respect to the longitudinal axis of described anchor clamps.
18, cutter sweep as claimed in claim 1 is characterized in that an end of described tool component has a jut at least, and described anchor clamps comprise at least one breach or hole, are used to hold described jut.
19, cutter sweep as claimed in claim 1 is characterized in that described tool component is a saw blade.
20, a kind of instrument, described instrument comprises the anchor clamps of clamping tool member, described anchor clamps comprise one or more clamping elements, described clamping element can move between clamped position and released position, at described clamped position, at least a portion of described tool component is fastened to required use location, in described released position, described tool component part can move with respect to described clamping element, described anchor clamps also comprise the user's control member that is slidingly mounted in the described anchor clamps, described user's control member is used to handle described clamping element and moves between described clamped position and described released position, it is characterized in that described anchor clamps are connected cross section and are roughly on the circular axle, or form one with described axle.
21, instrument as claimed in claim 20 is characterized in that described instrument is reciprocating saw or jigsaw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310101468 CN1608774A (en) | 2003-10-20 | 2003-10-20 | Clamp for tool components and improved crimping mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310101468 CN1608774A (en) | 2003-10-20 | 2003-10-20 | Clamp for tool components and improved crimping mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1608774A true CN1608774A (en) | 2005-04-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200310101468 Pending CN1608774A (en) | 2003-10-20 | 2003-10-20 | Clamp for tool components and improved crimping mechanism |
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| Country | Link |
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| CN (1) | CN1608774A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102470459A (en) * | 2009-08-14 | 2012-05-23 | 罗伯特·博世有限公司 | Saw device, in particular jigsaw device |
| CN103260805A (en) * | 2010-12-22 | 2013-08-21 | 罗伯特·博世有限公司 | Saw blade for jigsaw |
-
2003
- 2003-10-20 CN CN 200310101468 patent/CN1608774A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102470459A (en) * | 2009-08-14 | 2012-05-23 | 罗伯特·博世有限公司 | Saw device, in particular jigsaw device |
| CN103260805A (en) * | 2010-12-22 | 2013-08-21 | 罗伯特·博世有限公司 | Saw blade for jigsaw |
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