CN102528161A - Universal saw blade chuck - Google Patents
Universal saw blade chuck Download PDFInfo
- Publication number
- CN102528161A CN102528161A CN2011104081521A CN201110408152A CN102528161A CN 102528161 A CN102528161 A CN 102528161A CN 2011104081521 A CN2011104081521 A CN 2011104081521A CN 201110408152 A CN201110408152 A CN 201110408152A CN 102528161 A CN102528161 A CN 102528161A
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- Prior art keywords
- saw blade
- chuck
- groove
- double wedge
- notch
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Abstract
The invention relates to a chuck for fixing a saw blade, in particular to a universal chuck which is suitable for mounting at least two types of the saw blades. A clamping part which is connected with the saw blade and a connecting part which is connected with a transmission mechanism or a holding part are arranged on the chuck, and the universal chuck is characterized in that the clamping part comprises a groove for accommodating the saw blade is formed on the chuck, at least one convex tooth is arranged at the bottom of the groove, and each convex tooth is arranged by extending to a notch; a locking mechanism for fixing the saw blade positioned in the groove is arranged on the chuck; as the convex tooth is arranged in the groove, the region between the notch of the groove and the overhanging end of the convex tooth can accommodate the saw blade in one shape; the back part of the groove is divided into two regions through the convex tooth, and the region between the notch and the convex tooth and the region divided by the convex tooth at the back part can also be used for mounting the two types of the saw blades, so that the chuck can be suitable for at least three types of the saw blades, and the universality is greatly improved. The universalization and the normalization of the saw chuck can be realized. The universal chuck is not only convenient to machine, but also convenient for management and use of spare parts and materials.
Description
Technical field
The invention belongs to machinery or specific purpose tool field, be specifically related to the fixedly chuck of saw blade.
Background technology
Saw is the material partition tools with long history, processes with steel disc usually, and there is pointed tooth at the steel disc edge, utilizes that the reciprocating motion of tooth is used for cutting timber, building stones, steel etc. on the steel disc.
In the prior art, saw develops into cross cut saw, folding saw, hand with bow saw, fringing saw, ripsaw, briar etc. by the simplest handsaw, comprises electric saw, fuel oil power saw etc. from power.But various saw principle of compositionalities are all similar, and core must have a saw blade, just have the steel disc of pointed tooth, and the steel disc one or both ends are fixed on the transmission mechanism with chuck, and transmission mechanism connects power-equipment; The perhaps position that grips of chuck attended operation person.
Chuck of the prior art all is the chuck of a kind of correspondence of a kind of saw blade adapted, and the chuck shape and structure of difform saw blade is different, makes that manufacturing and use occasion parts are various, is not easy to management and use, also is not easy to simplify and unified work flow and technology; And a kind of saw blade is equipped with the waste that a kind of chuck has also caused material.
Summary of the invention
The purpose of this invention is to provide a kind of general chuck that two kinds of saw blades are installed that is suitable at least.
For realizing above-mentioned purpose; The present invention has adopted following technical scheme: a kind of all purpose saw blade chuck; Comprise clamping part that connects saw blade and the connecting portion that is connected transmission mechanism or holding assembly on the chuck; It is characterized in that: described clamping part is included in the groove of offering on the chuck that is used to hold saw blade, and the groove bottom land is provided with at least one double wedge, and double wedge extends setting to notch; Be provided for the retaining mechanism that the saw blade that is positioned at groove is fixing on the chuck.
Beneficial effect of the present invention is: in the said structure, connecting portion can connect the transmission mechanism on electronic or the fuel oil power saw easily, perhaps connects the grip part of manual saw.Saw blade inserts groove, utilizes retaining mechanism can fix saw blade then.Because be provided with double wedge in the groove, not protrude in the structure of notch at double wedge so, the zone between groove notch and the double wedge projecting end can hold a kind of saw blade of shape; Double wedge is slit into two zones with the rear section of groove, utilizes the zone that the double wedge at zone and rear portion between notch and the double wedge is cut apart formation that two kinds of saw blades can be installed again; Such chuck can be suitable for three kinds of saw blades at least.In the structure for double wedge projecting end protrusion notch, the groove cavity region of double wedge both sides can be held two kinds of saw blades and install.The double wedge number is many more, and the kind of open ended saw blade is many more.This has all improved the versatility of chuck greatly.Can be so that the generalization of blade holder head, normalization.Both be convenient to processing, and be convenient to standby redundancy, store keeping and chuck again and use.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the upward view of Fig. 1;
Fig. 3 is the right view of Fig. 1;
Fig. 4 is the user mode reference diagram of a kind of saw blade of clamping;
Fig. 5 is the user mode reference diagram of the another kind of saw blade of clamping;
Fig. 6 is the user mode reference diagram of the another kind of saw blade of clamping.
The specific embodiment
A kind of all purpose saw blade chuck shown in Fig. 1 to 6 comprises the clamping part 10 and the connecting portion that is connected transmission mechanism or holding assembly 20 that connect saw blade on the chuck, clamping part 10 is included in the groove of offering on the chuck 11 that is used to hold saw blade.Common, after saw blade inserts groove 11, the width of the corresponding saw blade of flute length direction.That is to say that vertical direction as shown in Figure 3 is the flute length direction.Groove 11 bottom lands are provided with at least one double wedge 12, and double wedge 12 extends setting to notch; Be provided for the retaining mechanism that the saw blade that is positioned at groove 11 is fixing on the chuck.As shown in Figure 1 like this, the zone that double wedge 12 front ends can hold a kind of saw blade, this zone and double wedge 12 tops of shape to the zone of groove 11 notches zone can hold saw blade, this zone and double wedge 12 bottoms of the L-shaped a kind of specification in rear end can hold the L-shaped larger sized saw blade in rear end.Just can hold three kinds of saw blades at least; And can both guarantee saw blade fixed-site on width at least, the position on the saw blade thickness direction can have a lot of modes to fix, for example can be fixing simultaneously by retaining mechanism; Perhaps the groove width by groove 11 limits; Lock mechanism then, whole saw blade has all been fixed in the position of length, width, thickness three-dimensional, can stably work.
This shows; Described retaining mechanism mainly be fixedly saw blade in the position of its length direction; Such retaining mechanism has a variety of; Like Fig. 1,2, shown in 3, can be along bolt, or interference be plugged on groove jam 11 interior, that saw blade is tightened or the like any structure that can realize fixed function perpendicular to saw blade plate face and companys of wearing saw blade and chuck.
Preferred retaining mechanism is: described retaining mechanism comprises the waist-shaped hole 13 that is provided with on the chuck; The length direction of described waist-shaped hole 13 is along the width setting of saw blade; One end of waist-shaped hole 13 widths extends in the groove 11, the oblique groove 11 that departs from of the other end, and the part in groove 11 of waist-shaped hole 13 is between double wedge 12 and notch.Saw blade can lean on latch in groove 11, to move and the chucking saw blade like this, as long as as long as the degree of depth of waist-shaped hole 13 is enough to penetrate in the groove 11, just extends in the groove 11.This also is a kind of structure relatively more commonly used in the prior art.Certainly, preferably waist-shaped hole 13 is connected by clamping part shown in Figure 1 10 tops and extends to the bottom; Be convenient to latch and all be connected at two ends up and down with the parts of all sides, symmetrically and evenly stressed.
Further, described chuck is cylindrical, and connecting portion 20, clamping part 10 lay respectively at the chuck two ends, and the position cut of saw blade both sides, clamping part 10 upper edge has the plane that is parallel to the saw blade surface.Like Fig. 2, shown in 3, the plane that is to say the plane that is parallel to saw blade or groove 11 cell walls.Be convenient to install spiral spring like this; Spring housing is located on the clamping part 10; One end is against the change size position between clamping part 10 and the connecting portion 20, and the other end is resisted against latch and is revealed in the two ends outside the waist-shaped hole 13, and latch is just locked saw blade naturally under the effect of spring; Can compress spring again under external force, unclamp saw blade.Such structure guarantees that again the bulk strength of connecting portion 20 and chuck is reliable simultaneously.
Further, described double wedge 12 is positioned at the position of the middle deflection of slot length direction one end of groove 11.It is nearer than the other end than the distance of groove 11 1 ends that this also can regard double wedge 12 as.Because double wedge 12 has 1 at least; Also can have a plurality of; That is to say so: the area size that double wedge 12 is cut apart formation with groove 11 does not wait, and the area size between double wedge 12 and adjacent double wedge 12, the groove walls does not wait in other words, can connect the saw blade of different size specifications.Like Fig. 1 is exactly regional less between regional less, below and the groove 11 lower end cell walls between double wedge 12 tops and the groove 11 upper end cell walls.Like Fig. 4, shown in 5, the zone in double wedge 12 tops and the place ahead just can be connected L shaped reciprocating saw blade 301 shown in Figure 4 like this; The zone in double wedge 12 belows and the place ahead just can be connected U-shaped curve saw blade 303 shown in Figure 5.Another saw blade is fixed in double wedge 12 projecting ends, right-hand member and the zone between groove 11 notches just shown in Figure 4, and such embodiment does not illustrate because comparatively simple.
Further, corresponding position is provided with expansion mouth 14 at the saw blade edge on described groove 11 notches, and expansion mouth 14 makes the length of groove 11 extend at notch position.Such expansion mouth 14 can be one, also can be that illustrated groove upper/lower terminal respectively is provided with one.As shown in Figure 6, the expansion mouth 14 of double wedge 12 and groove 11 and bottom shown in Figure 6 cooperates the T shape curve saw blade 302 that can be connected a kind of dimensions like this; The expansion mouth on double wedge 12 and groove 11 and top shown in Figure 6 cooperates the T shape curve saw blade that can be connected another kind of dimensions.Realize that a chuck is with 5 kinds of saw blades.Groove respectively is provided with an expansion mouth 14 in two ends about in the of 11, just can hold the T shape saw blade of two kinds of specifications.
Certainly, in order to simplify work flow, take into account versatility simultaneously, corresponding position is provided with expansion mouth 14 at the saw blade edge on best described groove 11 notches, and expansion mouth 14 makes the length of groove 11 extend at notch position; Expansion mouth 14 is positioned on the groove 11 end away from double wedge 12.Just double wedge 12 is positioned at the position of the middle deflection of slot length direction one end of groove 11; Simultaneously expansion mouth 14 is positioned on the groove 11 notch position away from double wedge 12; As shown in Figure 6 is exactly that expansion mouth 14 only is set below the notch of groove 11; Though can only be suitable for saw blade in 4 like this, the scope of application is also enough extensive, and processing is simple again simultaneously.
Be more preferably, described expansion mouth 14 is trapezoidal and is stretched out by groove 11.Just combine Fig. 3, shown in 6, the lower end cell wall elder generation oblique then lower right of horizontal-extending that can be regarded as groove 11 is extended and is extended horizontally to notch position again, also can regard a chamfering transition as.The edge of collision expansion mouth 14 when the inclined-plane between such two horizontal planes is just avoided assembling saw blade.In like manner, the face face joint portion on the surface of described groove 11 and/or double wedge 12 can be smooth round-corner transition or chamfering transition.Avoid saw blade assembling to bump to face face joint portion, also reduce stress and concentrate, improve chuck service life.
In aforesaid all technical schemes: described chuck is metal or plastic material, described double wedge 12 and the whole grinding tool machine-shaping of chuck.Double wedge 12 sound constructions are like this processed also easily, for example can be whole punch formings.
Claims (8)
1. all purpose saw blade chuck; Comprise clamping part (10) that connects saw blade and the connecting portion that is connected transmission mechanism or holding assembly (20) on the chuck; It is characterized in that: described clamping part (10) is included in the groove of offering on the chuck that is used to hold saw blade (11); Groove (11) bottom land is provided with at least one double wedge (12), and double wedge (12) extends setting to notch; Be provided for the retaining mechanism that the saw blade that is positioned at groove (11) is fixing on the chuck.
2. all purpose saw blade chuck according to claim 1; It is characterized in that: described retaining mechanism comprises the waist-shaped hole (13) that is provided with on the chuck; The length direction of described waist-shaped hole (13) is along the width setting of saw blade; One end of waist-shaped hole (13) width extends in the groove (11), the oblique groove (11) that departs from of the other end, and the part that is positioned at groove (11) of waist-shaped hole (13) is positioned between double wedge (12) and the notch.
3. all purpose saw blade chuck according to claim 2 is characterized in that: described double wedge (12) is positioned at the position of the middle deflection of slot length direction one end of groove (11).
4. according to claim 1 or 2 or 3 described all purpose saw blade chucks; It is characterized in that: described chuck is cylindrical; Connecting portion (20), clamping part (10) lay respectively at the chuck two ends, and there is the plane that is parallel to the saw blade surface on clamping part (10) surface along the position cut of saw blade both sides.
5. according to claim 1 or 2 or 3 described all purpose saw blade chucks, it is characterized in that: corresponding position is provided with expansion mouth (14) at the saw blade edge on described groove (11) notch, and expansion mouth (14) makes the length of groove (11) extend at notch position.
6. all purpose saw blade chuck according to claim 3 is characterized in that: corresponding position is provided with expansion mouth (14) at the saw blade edge on described groove (11) notch, and expansion mouth (14) makes the length of groove (11) extend at notch position; Expansion mouth (14) is positioned at groove (11) and goes up the end away from double wedge (12).
7. all purpose saw blade chuck according to claim 6 is characterized in that: described chuck is metal or plastic material, described double wedge (12) and the machine-shaping of chuck unitary mould.
8. according to any described all purpose saw blade chuck in the claim 5 to 7, it is characterized in that: described expansion mouth (14) is trapezoidal and is stretched out by groove (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110408152.1A CN102528161B (en) | 2011-12-09 | 2011-12-09 | Universal saw blade chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110408152.1A CN102528161B (en) | 2011-12-09 | 2011-12-09 | Universal saw blade chuck |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102528161A true CN102528161A (en) | 2012-07-04 |
| CN102528161B CN102528161B (en) | 2015-09-23 |
Family
ID=46336871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110408152.1A Expired - Fee Related CN102528161B (en) | 2011-12-09 | 2011-12-09 | Universal saw blade chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102528161B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105983728A (en) * | 2015-02-16 | 2016-10-05 | 苏州宝时得电动工具有限公司 | Dual-purpose saw blade chuck and electric saw provided with chuck |
| WO2022262709A1 (en) * | 2021-06-16 | 2022-12-22 | 威海奥文机电科技股份有限公司 | Abrasive belt clamp holder used with table-type curve saw and use method therefor |
| USD994441S1 (en) | 2020-10-06 | 2023-08-08 | Techtronic Cordless Gp | Utility knife |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030121388A1 (en) * | 2002-01-02 | 2003-07-03 | Wheeler Thomas J. | Reversible canted saw blade |
| CN2703598Y (en) * | 2004-05-11 | 2005-06-08 | 潘德苗 | Multipurpose saw |
| CN2885472Y (en) * | 2005-12-13 | 2007-04-04 | 南京德朔实业有限公司 | Saw bit holding device for reciprocating saw |
| US20090071016A1 (en) * | 2007-09-14 | 2009-03-19 | Scott John S | Blade clamp mechanism |
| CN202461689U (en) * | 2011-12-09 | 2012-10-03 | 宁波捷美进出口有限公司 | Universal saw blade chuck |
-
2011
- 2011-12-09 CN CN201110408152.1A patent/CN102528161B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030121388A1 (en) * | 2002-01-02 | 2003-07-03 | Wheeler Thomas J. | Reversible canted saw blade |
| CN2703598Y (en) * | 2004-05-11 | 2005-06-08 | 潘德苗 | Multipurpose saw |
| CN2885472Y (en) * | 2005-12-13 | 2007-04-04 | 南京德朔实业有限公司 | Saw bit holding device for reciprocating saw |
| US20090071016A1 (en) * | 2007-09-14 | 2009-03-19 | Scott John S | Blade clamp mechanism |
| CN202461689U (en) * | 2011-12-09 | 2012-10-03 | 宁波捷美进出口有限公司 | Universal saw blade chuck |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105983728A (en) * | 2015-02-16 | 2016-10-05 | 苏州宝时得电动工具有限公司 | Dual-purpose saw blade chuck and electric saw provided with chuck |
| CN105983728B (en) * | 2015-02-16 | 2019-04-19 | 苏州宝时得电动工具有限公司 | Dual-purpose saw blade collet and the electric saw equipped with the collet |
| USD994441S1 (en) | 2020-10-06 | 2023-08-08 | Techtronic Cordless Gp | Utility knife |
| WO2022262709A1 (en) * | 2021-06-16 | 2022-12-22 | 威海奥文机电科技股份有限公司 | Abrasive belt clamp holder used with table-type curve saw and use method therefor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102528161B (en) | 2015-09-23 |
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| 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150923 Termination date: 20161209 |
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| CF01 | Termination of patent right due to non-payment of annual fee |