CN102756165A - Handheld cutting tool - Google Patents
Handheld cutting tool Download PDFInfo
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- CN102756165A CN102756165A CN2011101041823A CN201110104182A CN102756165A CN 102756165 A CN102756165 A CN 102756165A CN 2011101041823 A CN2011101041823 A CN 2011101041823A CN 201110104182 A CN201110104182 A CN 201110104182A CN 102756165 A CN102756165 A CN 102756165A
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- cutting
- positioning rule
- support member
- cutting tool
- saw
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Abstract
The invention discloses a handheld cutting tool, which comprises a machine body, a motor contained in the machine body, a cutting element, and a support element, wherein the cutting element is driven by the motor for cutting a work-piece and has a cutting direction; the support element is used for supporting the machine body and has a resisting surface which resists against the work-piece; a locating ruler is arranged on the support element; a scale extension direction of the locating ruler is parallel to the cutting direction; a stopper is also arranged on the locating ruler, and the stopper comprises a baffle surface which protrudes out of the resisting surface and is vertical to the resisting surface. A user just determines the length to be cut through the locating ruler, and the stopper immediately contacts the work-piece to prevent the cutting tool from further advancing when the cut length is just the fixed length. Compared with a fixed length cutting mode of drawing a fixed length line segment on the work-piece, the method disclosed by the invention is more convenient, the cutting precision is higher, and the work efficiency is improved.
Description
Technical field
The present invention relates to a kind of hand held cutting tool.
Background technology
The sweep-saw of hand held cutting tool, especially hand-held generally includes fuselage, is contained in the motor of fuselage, by motor-driven and be used for the cutting element of cut workpiece and be used to supporting fuselage and having the support member that is resisted against the abutment face on the workpiece.
During use, the support member abutment face contacts with surface of the work, and the user promotes sweep-saw makes support member move along surface of the work, thereby the motion of motor-driven cutting element is carried out the cutting of straight line or curve to workpiece.And when workpiece was carried out fixed length cutting, existing cutting mode was setting-out on workpiece, and accurately measured line length, and the mark line segment endpoint comes to use cutting tool to carry out fixed length cutting according to drawn straight line again.This fixed length cutting method is convenient inadequately, simultaneously since these all to be manual operation produce deviation unavoidably when cutting cause cutting accuracy to be difficult to guarantee.
For this reason, prior art is necessary further improvement in fact.
Summary of the invention
To the deficiency of prior art, the object of the present invention is to provide a kind of can be convenient, fast and the hand held cutting tool of the realization fixed length cutting that cutting accuracy is higher.
The technical solution adopted for the present invention to solve the technical problems is: a kind of hand held cutting tool; Comprise: fuselage is contained in the motor of said fuselage, by said motor-driven and be used for the cutting element of cut workpiece; Said cutting element has cut direction; Support said fuselage and have the support member that is resisted against the abutment face on the workpiece, said support member is provided with positioning rule, and the scale bearing of trend of said positioning rule is parallel with said cut direction.
Preferably, also be provided with stop part on the said positioning rule, said stop part has said abutment face of protrusion and the stop surface vertical with said abutment face.
Preferably, what said positioning rule was fixing is arranged on the said support member, and said stop part is installed on the said positioning rule movably.
Preferably, said hand held cutting tool has the cutting starting point, said cutting starting point corresponding the zero graduation of said positioning rule, said cutting starting point is Cutting Length to the distance of said stop surface.
Preferably, said positioning rule is arranged on the said support member movably.
Preferably, said stop part is fixedly coupled on said positioning rule, the projection of said stop surface on said positioning rule corresponding the zero graduation of said positioning rule.
Preferably, said stop part is installed on the said positioning rule movably.
Preferably, said hand held cutting tool has the cutting starting point, and said cutting starting point is Cutting Length to the distance of said stop surface.
Preferably, said hand held cutting tool also is provided with stopping means, and said positioning rule is installed on the said support member by said stopping means.
The present invention is arranged at the fixed length cutting mechanism on the support member of hand held cutting tool, and the user only need confirm the fixed length length that will cut through positioning rule, when the length of cutting is fixed length length just; Stop surface promptly contacts with workpiece; Stop hand held cutting tool to be advanced further, in contrast to the fixed length cutting mode of on workpiece, drawing the fixed length line segment, the inventive method is convenient; Improved operating efficiency, can guarantee that also cutting accuracy is higher simultaneously.
Description of drawings
Fig. 1 is the stereogram of the sweep-saw that provides of first embodiment of the invention;
Fig. 2 is sweep-saw part and a fixed length cutting mechanism stereogram among Fig. 1;
Fig. 3 is the stereogram of the stop part of sweep-saw fixed length cutting mechanism among Fig. 2;
Fig. 4 is the front view of the stop part of sweep-saw fixed length cutting mechanism among Fig. 2;
Fig. 5 is the sweep-saw working state schematic representation that first embodiment of the invention provides;
Fig. 6 is the stereogram of the sweep-saw fixed length cutting mechanism that provides of second embodiment of the invention;
Fig. 7 is the explosive view of sweep-saw fixed length cutting mechanism among Fig. 6;
Fig. 8 is the sweep-saw working state schematic representation that second embodiment of the invention provides.
Wherein:
1. sweep-saw 2. fuselages 6. saw blades
8. support member 10. sawtooth 12. arch sheets
14. installed surface 16. abutment faces 18. fixed length cutting mechanisms
20. positioning rule 22. stop parts 24. stop surfaces
26. upper limit plane 28. lower limit planes 30. workpiece
11. sweep-saw 34. positioning rules 36. stop parts
38. stopping means 40. sawtooth 42. first pedestals
44. second pedestal, 46. first side plates, 48. second side plates
50. run through groove 52. stop surfaces 54. workpiece
60. saw blade 80. support members 82. installed surfaces
84. abutment face 86. sidewalls 100. fixed length cutting mechanisms
104. fixture 106. first locking members 108. second locking members
110. hole 112. screwed holes
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is done further detailed description.
See also shown in Figure 1; First embodiment of the invention provide a kind of have can be resisted against the hand held cutting tool that surface of the work cuts work; For example sweep-saw, electric circular saw or bakelite mill, and are sweep-saw 1 at hand held cutting tool described in this embodiment.
Sweep-saw 1, comprise fuselage 2, be contained in the motor (not shown) of fuselage 2, by motor-driven with respect to fuselage 2 reciprocating cutting elements and the support member 8 that is used to support fuselage 2.Cutting element is a saw blade 6 in this embodiment, and saw blade 6 has cut direction, and sweep-saw 1 is exercisable to be resisted against surface of the work through support member 8, and along said cut direction cut workpiece.
Support member 8 is provided with the plate-like piece of arch sheet 12 and has the lengthwise bearing of trend for middle, and support member 8 lengthwise bearing of trends are parallel with the cut direction of saw blade 6.The fuselage 2 of sweep-saw 1 connects through the cambered surface with arch sheet 12 and is installed together.Sweep-saw 1 is supported on the workpiece through support member 8, and support member 8 is an abutment face 16 towards the one side of workpiece, and support member 8 one side of workpiece dorsad is an installed surface 14.During use, the abutment face 16 of support member 8 contacts with surface of the work, and the user promotes sweep-saw 1 makes support member 8 move along surface of the work, and the saw blade 6 with sawtooth 10 moves back and forth workpiece is carried out straight line or curvilinear cut.
See also illustrated in figures 1 and 2ly, support member 8 is provided with positioning rule 20, and the scale bearing of trend of positioning rule 20 is parallel with the cut direction of saw blade 6.In this embodiment, also be provided with stop part 22 on the positioning rule 20, positioning rule 20 constitutes fixed length cutting mechanism 18 in the lump with stop part 22.
Please consult Fig. 2, Fig. 3 and shown in Figure 4 in the lump, positioning rule 20 fixing being formed on support member 8 installed surfaces 14, and the scale bearing of trend of positioning rule 20 is parallel with support member 8 lengthwise bearing of trends.Sawtooth 10 forms line of cut when moving back and forth; What the projection of line of cut on installed surface 14 was just in time corresponding is the zero graduation position of positioning rule 20; Like this, what sweep-saw 1 cutting starting point was corresponding promptly is the zero graduation position of positioning rule 20, thereby be embodied as fixed length cutting the starting point benchmark is provided.
Stop part 22 is installed on the said positioning rule 20 movably, and the part of stop part 22 protrusion abutment faces 16 has stop surface 24, and stop surface 24 is perpendicular to abutment face 16.When the user uses sweep-saw 1 to cut, when stop surface 24 contacts with workpiece, just stop sweep-saw 1 to be advanced further, the terminal point benchmark is provided thereby be embodied as fixed length cutting.
Sweep-saw 1 cutting starting point is Cutting Length to the distance of stop surface 24, and sweep-saw 1 cutting starting point corresponding the zero graduation of positioning rule 20, so the scale of the projection correspondence of stop surface 24 on positioning rule 20 is the length that the user wants fixed length cutting.The user is according to the needs adjustment stop part 22 of fixed length cutting and the position relation of positioning rule 20, thereby adjusting stop surface 24 pairing scale of projection on positioning rule 20 just can be implemented fixed length cutting to workpiece fast.
In this embodiment, stop part 22 engages with support member 8 and connects.Stop part 22 comprises upper limit plane 26 and the lower limit plane 28 that stop surface 24, opposing parallel are provided with.When stop part 22 and support member 8 fixedly connect, upper limit plane 26 and support member 8 installed surfaces 14 contact matching, lower limit plane 28 and support member 8 abutment faces 16 contact matching.
Connect for the ease of better being fixed between stop part 22 and the positioning rule 20; Stop part 22 uses are ductile or flexible material is processed; Like rubber, plastics etc.; Simultaneously be slightly less than the distance between support member 8 installed surfaces 14 and the abutment face 16 apart from d between stop part 22 upper limit planes 26 and the lower limit plane 28, like this, stop part 22 can engage with support member 8 closely and can exert oneself a little to disassemble from support member 8.
Certainly, those skilled in the art can also adopt alternate manner to realize connecting of stop part 22 and support member 8, and for example: the relation back, position of adjusting stop part 22 and positioning rule 20 is through bolt stop part 22 and support member 8.The concrete docked mode of stop part 22 and support member 8 is as qualification of the present invention, all should be covered by within the scope that requirement of the present invention protects as long as function or effect and the present invention are same or similar.
See also shown in Figure 5ly, the user uses 1 pair of workpiece of sweep-saw 30 to carry out fixed length cutting, and Cutting Length is when being s; At first, it is the position of s finding scale that the user only needs in positioning rule 20, regulates the position relation between stop part 22 and the positioning rule 20 then; Make the projection line of stop surface 24 on positioning rule 20 just in time corresponding be scale s place; Simultaneously stop part 22 is cooperated with support member 8 chucking ground, last, just can use sweep-saw 1 to carry out the fixed length cutting operation; The user promotes sweep-saw 1 makes support member 8 along workpiece 30 apparent motions; Saw blade 6 moves back and forth to cut, and the distance between stop surface 24 and the workpiece 30 also slowly reduces simultaneously, and the length of when stop surface 24 just in time contacts with workpiece 30, being cut is the length that the user wants fixed length cutting.And to existing on workpiece 30 the setting-out section carry out the mode of fixed length cutting, the present invention provides the precision of sweep-saw 1 fixed length cutting with fixed length cutting mechanism 18 higher, and operation is more simple and convenient.
Certainly, those skilled in the art can be only realize fixed length cutting through the positioning rule 20 that is arranged on the support member 8, as in positioning rule 20 at the mark Cutting Length, therefore, the stop part 22 that is provided with in this embodiment is not as qualification of the present invention.What positioning rule 20 was not limited only to fix is formed on the support member 8; Positioning rule 20 can be fixing being installed on the support member 8 that is independent of outside the support member 8; And positioning rule 20 is not limited only to be arranged on the installed surface 14, requires within the protection domain as long as the cutting starting point that the scale bearing of trend of positioning rule 20 is parallel with the cut direction of saw blade 6 and zero graduation positioning rule 20 corresponds to sweep-saw 1 is the present invention.
In addition; Those skilled in the art can also adopt the other technologies scheme to realize when sweep-saw 1 Cutting Length reaches preset fixed length; Thereby stop part 22 just in time with workpiece 30 against hindering the function that sweep-saw 1 is advanced further; So the concrete structure of stop part 22 is as qualification of the present invention, all should be covered by within the scope that requirement of the present invention protects as long as function or effect and the present invention are same or similar.
Please with reference to shown in Figure 6, the sweep-saw 11 that second embodiment of the invention provides is identical with sweep-saw 1 structure in first embodiment, and its difference is: said positioning rule 34 is arranged on the said support member 80 movably.
Please consult Fig. 6 and shown in Figure 7 in the lump, positioning rule 34 is arranged on the installed surface 82 of support member 80 movably.Support member 80 has the lengthwise bearing of trend that is parallel to saw blade 60 cut direction; When connecting; Positioning rule 34 scale bearing of trends are parallel with the cut direction of saw blade 60; Parallel with the lengthwise bearing of trend of support member 80, and the positioning rule 34 edges direction opposite with the cut direction of saw blade 60 stretched out support member 80.Positioning rule 34 zero graduations are arranged on the end that positioning rule 34 is stretched out support member 80.
Stop part 36 is fixing is arranged on the end near positioning rule 34 zero graduations.Part outside the stop part 36 protrusion abutment faces 84 has stop surface 52, and stop surface 52 is perpendicular to abutment face 84.Stop surface 52 the projection on the positioning rule 34 just in time corresponding be zero graduation line on the positioning rule 34, thereby the final position that is embodied as fixed length cutting provides benchmark.
Sweep-saw 11 also is provided with stopping means 38, and positioning rule 34, stop part 36 and stopping means 38 constitute fixed length cutting mechanism 100 in the lump.Stopping means 38 is fixedly coupled on the installed surface 82 of support member 80, and positioning rule 34 is installed on the support member 80 by stopping means 38.Stopping means 38 comprises the fixture 104 and the locking member of stationary positioned chi 34 and support member 80.Fixture 104 has first side plate 46 and second side plate 48 that first pedestal 42 that is parallel to installed surface 82 and second pedestal 44 and opposing parallel are provided with.First side plate 46 and second side plate 48 are perpendicular to installed surface 82.First pedestal 42 is provided with the through hole (not shown), and second pedestal 44 is provided with screwed hole 112.First side plate 46, second pedestal 44 and second side plate 48 surround one and have parallel with the support member 80 lengthwise bearing of trends groove 50 that runs through.Locking member comprises that first locking member 106 and second locking member, 108, the first locking members 106 are used for locking positioning chi 34 and support member 80, the second locking members 108 be used to be locked part 104 and support member 80.
Please consult Fig. 7 and shown in Figure 8 in the lump, support member 80 has the sidewall 86 back to cut direction, and stop surface 52 can be regulated apart from x to sidewall 86.The Cutting Length of sweep-saw 11 comprises two parts, promptly the line of cut of sawtooth 40 to the distance h of sidewall 86 add upper side wall 86 to stop surface 52 apart from x, just the cutting starting point of sweep-saw 11 is to the distance of stop surface 52.The line of cut of sawtooth 40 is certain to the distance of sidewall 86, and sidewall 86 is to regulate with the relative position of support member 80 through changing positioning rule 34 to stop surface 52 apart from x.The length that the user cuts is as required regulated the relative position between positioning rule 34 and the support member 80; When the length of sweep-saw 11 cuttings reaches pre-set length; When being the zero graduation of the corresponding positioning rule 34 of cutting end point; Stop surface 52 just contacts with workpiece 54, thereby stops sweep-saw 11 to be advanced further.The length more than or equal to h can only be cut by sweep-saw 11 fixed length cutting mechanisms 100.The present invention provides the sweep-saw 11 with fixed length cutting mechanism 100 simple, convenient, has also guaranteed high-precision cutting simultaneously.
Certainly; Positioning rule 34 is not limited in this with the interface sites and the mode of support member 80; For example: can the positioning rule 34 of fixed length cutting mechanism 100 in second embodiment be connected at support member 80 along on lengthwise bearing of trend and the side, and positioning rule 34 lengthwise bearing of trends exceed outside the support member 80 away from an end of zero graduation perpendicular to workpiece 54 surface.In this case; Sweep-saw 11 Cutting Lengths are just unrestricted; Sweep-saw 11 fixed length cutting both can have been cut less than the length of h also can cut the length greater than h, and sawtooth 40 moves back and forth the scale that forms the corresponding positioning rule 34 of the projection of line of cut on installed surface 82 and is Cutting Length; Also can movably the positioning rule 34 that is installed on the support member 80 in fixing positioning rule 20 and second embodiment that is formed on the support member 8 in first embodiment be combined, can realize also in this case that sweep-saw 11 fixed length cutting both can be cut less than the length while of h can cut length greater than h.Same, as long as stop surface 52 contacts with workpiece 54, show that promptly length that sweep-saw 11 has cut is the user and wants the length of cutting during cutting, make operate convenient.
Stop part 36 is not limited only to fix is arranged on the end near positioning rule 34 zero graduations, and for example: the same with first embodiment, stop part is installed on the positioning rule 34 movably.In this case, it is just unrestricted that sweep-saw 11 needs the length of fixed length cutting.
The present invention still has multiple concrete embodiment.All employings are equal to replacement or equivalent transformation and all technical schemes of forming all drop within the scope of requirement protection of the present invention.
Claims (9)
1. hand held cutting tool comprises:
Fuselage;
Be contained in the motor of said fuselage;
By said motor-driven and be used for the cutting element of cut workpiece, said cutting element has cut direction;
Support said fuselage and have the support member that is resisted against the abutment face on the workpiece;
It is characterized in that: said support member is provided with positioning rule, and the scale bearing of trend of said positioning rule is parallel with said cut direction.
2. hand held cutting tool as claimed in claim 1 is characterized in that: also be provided with stop part on the said positioning rule, said stop part has said abutment face of protrusion and the stop surface vertical with said abutment face.
3. hand held cutting tool as claimed in claim 2 is characterized in that: what said positioning rule was fixing is arranged on the said support member, and said stop part is installed on the said positioning rule movably.
4. hand held cutting tool as claimed in claim 3 is characterized in that: said cutting tool has the cutting starting point, said cutting starting point corresponding the zero graduation of said positioning rule, said cutting starting point is Cutting Length to the distance of said stop surface.
5. hand held cutting tool as claimed in claim 2 is characterized in that: said positioning rule is arranged on the said support member movably.
6. hand held cutting tool as claimed in claim 5 is characterized in that: said stop part is fixedly coupled on said positioning rule, the projection of said stop surface on said positioning rule corresponding the zero graduation of said positioning rule.
7. hand held cutting tool as claimed in claim 5 is characterized in that: said stop part is installed on the said positioning rule movably.
8. like claim 6 or 7 described hand held cutting tools, it is characterized in that: said cutting tool has the cutting starting point, and said cutting starting point is Cutting Length to the distance of said stop surface.
9. hand held cutting tool as claimed in claim 5 is characterized in that: said cutting tool also is provided with stopping means, and said positioning rule is installed on the said support member by said stopping means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110104182.3A CN102756165B (en) | 2011-04-25 | 2011-04-25 | Handheld cutting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110104182.3A CN102756165B (en) | 2011-04-25 | 2011-04-25 | Handheld cutting tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102756165A true CN102756165A (en) | 2012-10-31 |
| CN102756165B CN102756165B (en) | 2014-11-12 |
Family
ID=47050945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110104182.3A Active CN102756165B (en) | 2011-04-25 | 2011-04-25 | Handheld cutting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102756165B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107351142A (en) * | 2017-08-08 | 2017-11-17 | 格林精密部件(苏州)有限公司 | New fixed length cutting means |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4096777A (en) * | 1976-12-09 | 1978-06-27 | Charles Lee Adams | Hand power table saw |
| DE3839044A1 (en) * | 1988-11-18 | 1990-05-23 | Gustav Flier | Cutting sight and cutting scale on cutting tools, in particular for jigsaws and nibbling cutters |
| JP2002361520A (en) * | 2001-06-04 | 2002-12-18 | Makita Corp | Adapter for jigsaw |
| CN2614867Y (en) * | 2003-03-18 | 2004-05-12 | 林彩莲 | Cutting tool sets |
| CN2759662Y (en) * | 2004-12-15 | 2006-02-22 | 北京神东机电设备有限公司 | Position limiting ruler structure of cutting saw |
| US20060213067A1 (en) * | 2005-03-28 | 2006-09-28 | Hirokazu Yoshida | Portable cutting tool |
| JP2008023958A (en) * | 2006-07-25 | 2008-02-07 | Higashi Nippon Power Fastening Kk | Measuring apparatus for work length on cutter |
| CN201405452Y (en) * | 2009-06-02 | 2010-02-17 | 傅成松 | Electric cutting machine provided with guide ruler |
-
2011
- 2011-04-25 CN CN201110104182.3A patent/CN102756165B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4096777A (en) * | 1976-12-09 | 1978-06-27 | Charles Lee Adams | Hand power table saw |
| DE3839044A1 (en) * | 1988-11-18 | 1990-05-23 | Gustav Flier | Cutting sight and cutting scale on cutting tools, in particular for jigsaws and nibbling cutters |
| JP2002361520A (en) * | 2001-06-04 | 2002-12-18 | Makita Corp | Adapter for jigsaw |
| CN2614867Y (en) * | 2003-03-18 | 2004-05-12 | 林彩莲 | Cutting tool sets |
| CN2759662Y (en) * | 2004-12-15 | 2006-02-22 | 北京神东机电设备有限公司 | Position limiting ruler structure of cutting saw |
| US20060213067A1 (en) * | 2005-03-28 | 2006-09-28 | Hirokazu Yoshida | Portable cutting tool |
| JP2008023958A (en) * | 2006-07-25 | 2008-02-07 | Higashi Nippon Power Fastening Kk | Measuring apparatus for work length on cutter |
| CN201405452Y (en) * | 2009-06-02 | 2010-02-17 | 傅成松 | Electric cutting machine provided with guide ruler |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107351142A (en) * | 2017-08-08 | 2017-11-17 | 格林精密部件(苏州)有限公司 | New fixed length cutting means |
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| Publication number | Publication date |
|---|---|
| CN102756165B (en) | 2014-11-12 |
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