CN102528161B - Universal saw blade chuck - Google Patents
Universal saw blade chuck Download PDFInfo
- Publication number
- CN102528161B CN102528161B CN201110408152.1A CN201110408152A CN102528161B CN 102528161 B CN102528161 B CN 102528161B CN 201110408152 A CN201110408152 A CN 201110408152A CN 102528161 B CN102528161 B CN 102528161B
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- China
- Prior art keywords
- saw blade
- groove
- chuck
- double wedge
- notch
- 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.)
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Abstract
The present invention relates to the chuck of fixing saw blade, be especially at least suitable for the general chuck that two kinds of saw blades are installed; Chuck comprises and connects the clamping part of saw blade and the connecting portion of connection for transmission mechanism or holding assembly, it is characterized in that: described clamping part is included in the groove for holding saw blade that chuck is offered, groove bottom land arranges at least one double wedge, and double wedge is extended to notch; Chuck is arranged the retaining mechanism being used for the saw blade being positioned at groove to fix; Because be provided with double wedge in groove, the region so between groove notch and double wedge projecting end can hold a kind of saw blade of shape; The rear section of groove is slit into two regions by double wedge, utilizes the double wedge at the region between notch and double wedge and rear portion to split the region formed and can install again two kinds of saw blades; Such chuck at least can be suitable for three kinds of saw blades, substantially increases versatility.The chuck generalization of saw, normalization can be made.Both be convenient to processing, be convenient to again standby redundancy, store keeping and use.
Description
Technical field
The invention belongs to machinery or specific purpose tool field, be specifically related to the chuck of fixing saw blade.
Background technology
Saw is the material partition tools with long history, usually makes with steel disc, and there is pointed tooth at steel disc edge, utilizes the reciprocating motion of tooth on steel disc to be used for cutting timber, building stones, steel etc.
In prior art, saw develops into cross cut saw, folding saw, hand bow saw, fringing saw, ripsaw, briar etc. by the simplest handsaw, comprises electric saw, fuel power saw etc. from power.But various saw principle of compositionality is all similar, core must have a saw blade, and namely with the steel disc of pointed tooth, steel disc one or both ends chuck is fixed on transmission mechanism, and transmission mechanism connects power-equipment; Or the position that chuck attended operation person grips.
Chuck of the prior art is all the chuck of a kind of correspondence of a kind of saw blade adapted, and the collet shapes structure of difform saw blade is different, make to manufacture and use occasion parts various, be not easy to management and, be also not easy to simplify and unify work flow and technique; And a kind of saw blade is equipped with the waste that a kind of chuck also result in material.
Summary of the invention
The object of this invention is to provide a kind of general chuck being at least suitable for two kinds of saw blades and installing.
For achieving the above object, present invention employs following technical scheme: a kind of Universal saw blade chuck, chuck comprises and connects the clamping part of saw blade and the connecting portion of connection for transmission mechanism or holding assembly, it is characterized in that: described clamping part is included in the groove for holding saw blade that chuck is offered, groove bottom land arranges at least one double wedge, and double wedge is extended to notch; Chuck is arranged the retaining mechanism being used for the saw blade being positioned at groove to fix.
Beneficial effect of the present invention is: in said structure, and connecting portion can connect the transmission mechanism on electronic or fuel power saw easily, or connects the grip part of manual saw.Saw blade inserts groove, then utilizes retaining mechanism to fix saw blade.Because be provided with double wedge in groove, so do not protrude in the structure of notch at double wedge, the region between groove notch and double wedge projecting end can hold a kind of saw blade of shape; The rear section of groove is slit into two regions by double wedge, utilizes the double wedge at the region between notch and double wedge and rear portion to split the region formed and can install again two kinds of saw blades; Such chuck at least can be suitable for three kinds of saw blades.Protrude in the structure of notch for double wedge projecting end, the groove cavity region of double wedge both sides can be held two kinds of saw blades and install.Double wedge number is more, and the kind of open ended saw blade is more.This all substantially increases the versatility of chuck.The generalization of saw blade chuck, normalization can be made.Both be convenient to processing, and be convenient to again standby redundancy, store keeping and chuck and use.
Accompanying drawing explanation
Fig. 1 is 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 using state reference diagram clamping a kind of saw blade;
Fig. 5 is the using state reference diagram clamping another kind of saw blade;
Fig. 6 is the using state reference diagram clamping another kind of saw blade.
Detailed description of the invention
A kind of Universal saw blade chuck as shown in Fig. 1 to 6, chuck comprises and connects the clamping part 10 of saw blade and the connecting portion 20 of connection for transmission mechanism or holding assembly, clamping part 10 is included in the groove 11 for holding saw blade that chuck is offered.Common, after saw blade inserts groove 11, the width of the corresponding saw blade in flute length direction.That is to say that vertical direction is as shown in Figure 3 flute length direction.Groove 11 bottom land arranges at least one double wedge 12, and double wedge 12 is extended to notch; Chuck is arranged the retaining mechanism being used for the saw blade being positioned at groove 11 to fix.So as shown in Figure 1, the larger sized saw blade that the region being receivable rear end of the saw blade that double wedge 12 front end can hold a kind of saw blade of shape to the region of groove 11 notch, the region on this region and double wedge 12 top can hold the L-shaped a kind of specification in rear end, this region and double wedge 12 bottom is L-shaped.Namely at least can hold three kinds of saw blades, and can ensure that saw blade is fixed position at least in the direction of the width, position on saw blade thickness direction can have a lot of mode to fix, such as can be fixed by retaining mechanism simultaneously, or limited by the groove width of groove 11, then lock mechanism, whole saw blade all secures in the position of length, width, thickness three-dimensional, can stably work.
As can be seen here, the position of saw blade at its length direction mainly fixed by described retaining mechanism, such retaining mechanism has a variety of, as shown in Figure 1, 2, 3, can be along perpendicular to saw batten surface the bolt of companys of wearing saw blade and chuck, or interference be plugged in groove 11, by the jam of saw blade clamping etc. any structure that can realize fixed function.
Preferred retaining mechanism is: described retaining mechanism comprises the waist-shaped hole 13 that chuck is arranged, the length direction of described waist-shaped hole 13 is arranged along the width of saw blade, one end of waist-shaped hole 13 width extends in groove 11, the other end is oblique departs from groove 11, and the part in groove 11 of waist-shaped hole 13 is between double wedge 12 and notch.Such saw blade can lean on latch move in groove 11 and clamp saw blade, as long as long as the degree of depth of waist-shaped hole 13 is enough to penetrate in groove 11, namely extends in groove 11.This is also a kind of structure relatively more conventional in prior art.Certainly, preferably waist-shaped hole 13 clamping part 10 top is as shown in Figure 1 through extends to bottom; The parts being convenient to Dou Yuzhou side, latch upper and lower two ends connect, symmetrically and evenly stressed.
Further, described chuck is cylindrical, and connecting portion 20, clamping part 10 lay respectively at chuck two ends, and the position machining along saw blade both sides on clamping part 10 has the plane being parallel to saw blade surface.As shown in Figure 2,3, plane that is to say the plane being parallel to saw blade or groove 11 cell wall.Be convenient to like this spiral spring is installed, spring housing is located on clamping part 10, one end is against the change dimension between clamping part 10 and connecting portion 20, and the other end is resisted against latch and is revealed in two ends outside waist-shaped hole 13, and latch just locks saw blade under the action of the spring naturally; Under external force again can Compress Spring, unclamp saw blade.Such structure ensures 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 middle deflection one end, slot length direction of groove 11.This also can regard double wedge 12 as, and compared with the distance of groove 11 one end, comparatively the other end is nearer.Because double wedge 12 has 1 at least, also can have multiple, so that is: not etc., the area size in other words between double wedge 12 and adjacent tooth 12, groove walls not etc., can not connect the saw blade of different size specification to the area size that groove 11 is split formation by double wedge 12.As Fig. 1 be exactly above double wedge 12 and less, between below and groove 11 lower end cell wall region, region between the cell wall of groove 11 upper end less.As shown in Figure 4,5, the region in above such double wedge 12 and front just can the L shape reciprocating saw blade 301 shown in connection layout 4; The region in below double wedge 12 and front just can the U-shaped curve saw blade 303 shown in connection layout 5.Another saw blade is fixed in region between double wedge 12 projecting end, right-hand member namely shown in Fig. 4 and groove 11 notch, and such embodiment, because comparatively simple, does not illustrate.
Further, described groove 11 notch arranges expansion mouth 14 at the position that saw blade edge is corresponding, and expansion mouth 14 makes the length of groove 11 lengthen at notch position.Such expansion mouth 14 can be one, also can be that illustrated groove upper/lower terminal respectively arranges one.As shown in Figure 6, such double wedge 12 coordinates the T-shaped curve saw blade 302 that can be connected a kind of dimensions with the expansion mouth 14 of the bottom shown in groove 11 and Fig. 6; The expansion mouth on the top shown in double wedge 12 with groove 11 and Fig. 6 coordinates the T-shaped curve saw blade that can be connected another kind of dimensions.Realizing a chuck is with 5 kinds of saw blades.Groove about 11 two ends respectively arrange an expansion mouth 14, just can hold the T-shaped saw blade of two kinds of specifications.
Certainly, in order to simplify work flow, take into account versatility, preferably described groove 11 notch arranges expansion mouth 14 at the position that saw blade edge is corresponding, and expansion mouth 14 makes the length of groove 11 lengthen at notch position simultaneously; Expansion mouth 14 is positioned at the one end away from double wedge 12 on groove 11.Namely double wedge 12 is positioned at the position of middle deflection one end, slot length direction of groove 11, expansion mouth 14 is positioned at the notch position away from double wedge 12 on groove 11 simultaneously, as shown in Figure 6 be exactly only expansion mouth 14 is set below the notch of groove 11, although saw blade in 4 can only be suitable for like this, but the scope of application is also enough extensive, and processing is simple again simultaneously.
Be more preferably, described expansion mouth 14 is stretched out by groove 11 in trapezoidal.Namely shown in composition graphs 3,6, the first horizontal-extending of lower end cell wall that can be regarded as groove 11 then oblique lower right extends and extends horizontally to notch position again, also can regard a chamfered transition as.The edge of collision expansion mouth 14 when inclined-plane between such two horizontal planes is just avoided assembling saw blade.In like manner, the joint portion, face, face on described groove 11 and/or the surface of double wedge 12 can be smooth round-corner transition or chamfered transition.Avoid saw blade to assemble and bump to joint portion, face, face, 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 is shaping with the overall finishing of chuck.Such double wedge 12 sound construction, processing is also very convenient, such as, can be overall punch forming.
Claims (8)
1. a Universal saw blade chuck, chuck comprises and connects the clamping part (10) of saw blade and the connecting portion (20) of connection for transmission mechanism or holding assembly, it is characterized in that: described clamping part (10) is included in the groove (11) for holding saw blade that chuck is offered, groove (11) bottom land arranges at least one double wedge (12), and double wedge (12) is extended to notch; Chuck is arranged the retaining mechanism that the saw blade for being positioned at groove (11) is fixed.
2. Universal saw blade chuck according to claim 1, it is characterized in that: described retaining mechanism comprises the waist-shaped hole (13) that chuck is arranged, the length direction of described waist-shaped hole (13) is arranged along the width of saw blade, one end of waist-shaped hole (13) width extends in groove (11), the other end is oblique departs from groove (11), and the part being positioned at groove (11) of waist-shaped hole (13) is positioned between double wedge (12) and notch.
3. Universal saw blade chuck according to claim 2, is characterized in that: described double wedge (12) is positioned at the position of middle deflection one end, slot length direction of groove (11).
4. the Universal saw blade chuck according to claim 1 or 2 or 3, it is characterized in that: described chuck is cylindrical, connecting portion (20), clamping part (10) lay respectively at chuck two ends, and there is along the position machining of saw blade both sides the plane being parallel to saw blade surface on clamping part (10) surface.
5. the Universal saw blade chuck according to claim 1 or 2 or 3, it is characterized in that: described groove (11) notch arranges expansion mouth (14) at the position that saw blade edge is corresponding, expansion mouth (14) makes the length of groove (11) lengthen at notch position.
6. Universal saw blade chuck according to claim 3, it is characterized in that: described groove (11) notch arranges expansion mouth (14) at the position that saw blade edge is corresponding, expansion mouth (14) makes the length of groove (11) lengthen at notch position; Expansion mouth (14) is positioned at the one end away from double wedge (12) on groove (11).
7. Universal 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. the Universal saw blade chuck according to claim 6 or 7, is characterized in that: described expansion mouth (14) is stretched out by groove (11) in trapezoidal.
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 CN102528161A (en) | 2012-07-04 |
| CN102528161B true 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 (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11865735B2 (en) | 2020-10-06 | 2024-01-09 | Techtronic Cordless Gp | Utility knife |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN113459225B (en) * | 2021-06-16 | 2022-05-31 | 威海奥文机电科技股份有限公司 | Abrasive belt clamp holder matched with table type curve saw and using method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN202461689U (en) * | 2011-12-09 | 2012-10-03 | 宁波捷美进出口有限公司 | Universal saw blade chuck |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7257900B2 (en) * | 2002-01-02 | 2007-08-21 | Black & Decker Inc. | Canted saw blade |
| US8813372B2 (en) * | 2007-09-14 | 2014-08-26 | Milwaukee Electric Tool Corporation | Blade clamp mechanism |
-
2011
- 2011-12-09 CN CN201110408152.1A patent/CN102528161B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11865735B2 (en) | 2020-10-06 | 2024-01-09 | Techtronic Cordless Gp | Utility knife |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102528161A (en) | 2012-07-04 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150923 Termination date: 20161209 |