CN103111684A - Double-saw-web structure for electric saw - Google Patents
Double-saw-web structure for electric saw Download PDFInfo
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- CN103111684A CN103111684A CN2013100668988A CN201310066898A CN103111684A CN 103111684 A CN103111684 A CN 103111684A CN 2013100668988 A CN2013100668988 A CN 2013100668988A CN 201310066898 A CN201310066898 A CN 201310066898A CN 103111684 A CN103111684 A CN 103111684A
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Abstract
The invention relates to a double-saw-web structure for an electric saw. The double-saw-web structure comprises a first driving mechanism, a second driving mechanism, a first saw web and a second saw web. The first driving mechanism and the second driving mechanism are respectively connected with the electric saw, and the first saw web and the second saw web are parallelly arranged. The double-saw-web structure for the electric saw is characterized in that a slide hole is arranged on the first saw web, the side wall of the slide hole is an oblique surface, one opening, on the outer side of the first saw web, of the slide hole is larger than the other opening on the other side of the first saw web, and the length of the slide hole is matched with the stroke of the second saw web. A slider which is slidably contained in the slide hole is arranged on the second saw web and structured in a round table matched with the slide hole in size, and the height of the slider is a little smaller than the depth of the slide hole. Compared with the prior art, the double-saw-web structure has the advantages that the first saw web and the second saw web are connected via the slide and the slider, usage of guide sleeves is omitted; while advantages of an existing double-saw-web structure are kept, the width of a cutting seam is effectively shorted and controlled within about 2.8-3mm compared with the smallest cutting seam which is 3.5mm of the existing double-saw-web structure, the cutting width is reduced by about 15%, cutting precision is high, vibration during cutting is small, and cutting efficiency is improved.
Description
Technical field
The present invention relates to the electric saw parts, specifically refer to the two saw-blade structures of a kind of electric saw.
Background technology
Two saw blade electric saws can not worked easily owing to not needing to treat cut workpiece support in use, and cutting action is steady, rapid operation, thereby very popular.Existing pair of saw-blade structure generally includes the first saw blade and the second saw blade that is arranged in parallel, and described the first saw blade and the second saw blade are arranged in the slot of guide pin bushing.Keep the out movement of two saw blades to make and have certain fit clearance between the two, and also need the gap that keeps certain between two saw blades and the slot, with convenient two saw blade reciprocating motions, therefore the width of the interior slot of described guide pin bushing is greater than the thickness sum of two saw blades.Described guide pin bushing is arranged on the electric saw main body, described the first saw blade be connected the second saw blade and connect respectively the first driving mechanism and the second driving mechanism that is arranged in the described electric saw main body, and described the first driving mechanism and described the second driving mechanism drive respectively corresponding the first saw blade and the second saw blade counter motion.
This pair saw-blade structure cutting speed is fast, joint-cutting is neat.But owing to be subjected to the restriction of guide pin bushing width, so joint-cutting is wider, cutting accuracy is received certain impact.
Summary of the invention
Technical problem to be solved by this invention is that the present situation for prior art provides a kind of joint-cutting is little, cutting accuracy is high electric saw with two saw-blade structures.
The present invention solves the problems of the technologies described above the technical scheme that adopts: the two saw-blade structures of this electric saw, comprise the first driving mechanism and the second driving mechanism and the first saw blade that is arranged in parallel and the second saw blade that connect respectively electric saw, it is characterized in that described the first saw blade is provided with slide opening, the sidewall of this slide opening is the inclined-plane, and the opening that slide opening is positioned on the first saw blade lateral surface is positioned at opening on the first saw blade medial surface greater than slide opening, and the stroke of the length of this slide opening and described the second saw blade is suitable; Described the second saw blade is provided with the slide block that can be contained in slidably in the described slide opening, and the structure of described slide block is the round platform suitable with the slide opening size, and the height of described slide block is slightly smaller than the degree of depth of described slide opening.
Preferably, the degree of depth of the described slide opening of aspect ratio of described slide block is little 50～300 microns.
Consider the conveniency of processing and assembling, can be provided with installing hole at described the second saw blade, also be provided with contiguous block on the described slide block, this contiguous block is contained in the described installing hole and both are tight fit; The height of described contiguous block is less than or equal to the thickness of described connecting hole.
Preferably, the degree of depth of the described connecting hole of aspect ratio of described contiguous block is little 50～300 microns.
As improvement, described installing hole can be round table-like structure, described the first saw blade of the small end subtend of installing hole, and described contiguous block is riveted in the described installing hole.This structure so that between slide block, the first saw blade and the second saw blade assembling more convenient, efficiency of assembling is higher.
In order to guarantee the stable connection between the first saw blade and the second saw blade, described contiguous block and described slide block are formed in one.
Compared with prior art, the present invention links together the first saw blade and the second saw blade form by chute and slide block, avoid the use of guide pin bushing, when having kept two saw-blade structure advantages, effectively reduced the width of joint-cutting, the width of joint-cutting can be controlled at 2.8～3 millimeter, 3.5 millimeters minimum width of slit than two saw blades in the prior art has reduced about 15%, and cutting accuracy is higher, vibrations during cutting are also less, and cutting efficiency also increases.
Description of drawings
Fig. 1 is the floor map of embodiment of the invention assembly structure;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the enlarged drawing along the cutaway view of A-A line among Fig. 1.
The specific embodiment
Embodiment is described in further detail the present invention below in conjunction with accompanying drawing.
As shown in Figure 1 to Figure 3, this electric saw comprises with two saw-blade structures:
The first saw blade 1, its afterbody connects the first driving mechanism (not shown) of electric saw and can move back and forth under the driving of the first driving mechanism, the first saw blade is provided with long and narrow slide opening 11, the stroke of the length of slide opening 11 and the motion of the second saw blade is suitable, the sidewall of this slide opening is the inclined-plane, and the opening that slide opening is positioned on the first saw blade lateral surface is positioned at opening on the first saw blade medial surface greater than slide opening.
The second saw blade 2 is parallel to the first saw blade 1 and arranges, and its afterbody connects the second driving mechanism (not shown) of electric saw and can move back and forth under the driving of the second driving mechanism, and the direction of motion of the second saw blade is opposite with the direction of motion of the first saw blade; Has the gap between the second saw blade and the first saw blade with the relative motion between convenient the first saw blade and the second saw blade; The second saw blade is provided with the connecting hole 21 of round table-like structure.
Slide block 3 and contiguous block 4, both are formed in one and are symmetrical arranged in the present embodiment, be round table-like structure, wherein slide block 3 is contained in the slide opening 11 slidably, and the degree of depth of the aspect ratio slide opening of slide block 3 is little 50～300 microns, be that slide block does not expose outside the first saw blade, to avoid affecting the width of joint-cutting.Contiguous block 4 is riveted in the connecting hole 21, and the degree of depth of the aspect ratio connecting hole of contiguous block is little 10～30 microns, and namely contiguous block does not expose to the second saw blade yet.
In the actual production, can assemble in the following way between the first saw blade, the second saw blade and slide block, the contiguous block and finish:
Contiguous block can be made into first cylindrical-shaped structure, be inserted in the connecting hole 21 after this contiguous block being passed slide opening 11 first, at this moment, slide block is accommodating and spacing in slide opening 11, contiguous block can be arranged in the connecting hole tightly after being riveted on the contiguous block of cylindrical-shaped structure in the connecting hole.
Compare with two saw-blade structures of prior art, this pair saw blade has reduced a wall thickness of chuck at least owing to do not use chuck, the width of joint-cutting is can be controlled between 2.8～3.0mm, and the joint-cutting of prior art is usually greater than 3.5mm.
Claims (6)
1. an electric saw is with two saw-blade structures, comprise the first driving mechanism and the second driving mechanism and the first saw blade that is arranged in parallel and the second saw blade that connect respectively electric saw, it is characterized in that described the first saw blade is provided with slide opening, the sidewall of this slide opening is the inclined-plane, and the opening that slide opening is positioned on the first saw blade lateral surface is positioned at opening on the first saw blade medial surface greater than slide opening, and the stroke of the length of this slide opening and described the second saw blade is suitable; Described the second saw blade is provided with the slide block that can be contained in slidably in the described slide opening, and the structure of described slide block is the round platform suitable with the slide opening size, and the height of described slide block is slightly smaller than the degree of depth of described slide opening.
2. electric saw according to claim 1 is with two saw-blade structures, it is characterized in that the degree of depth of the described slide opening of aspect ratio of described slide block is little 50～300 microns.
3. electric saw according to claim 1 and 2 is characterized in that with two saw-blade structures described the second saw blade is provided with installing hole, also is provided with contiguous block on the described slide block, and this contiguous block is contained in the described installing hole and both are tight fit; The height of described contiguous block is less than or equal to the thickness of described connecting hole.
4. electric saw according to claim 3 is with two saw-blade structures, it is characterized in that the degree of depth of the described connecting hole of aspect ratio of described contiguous block is little 50～300 microns.
5. electric saw according to claim 4 is characterized in that with two saw-blade structures described installing hole is round table-like structure, described the first saw blade of the small end subtend of installing hole, and described contiguous block is riveted in the described installing hole.
6. electric saw according to claim 5 is characterized in that with two saw-blade structures described contiguous block and described slide block are formed in one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100668988A CN103111684A (en) | 2013-03-01 | 2013-03-01 | Double-saw-web structure for electric saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100668988A CN103111684A (en) | 2013-03-01 | 2013-03-01 | Double-saw-web structure for electric saw |
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| Publication Number | Publication Date |
|---|---|
| CN103111684A true CN103111684A (en) | 2013-05-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100668988A Pending CN103111684A (en) | 2013-03-01 | 2013-03-01 | Double-saw-web structure for electric saw |
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| CN (1) | CN103111684A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015013996A1 (en) * | 2013-08-02 | 2015-02-05 | 铁鎯电动工具有限公司 | Double saw blades for reciprocating saw |
| CN105034083A (en) * | 2015-08-27 | 2015-11-11 | 宁波捷美进出口有限公司 | Double saw blade for electric saw |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU707795A1 (en) * | 1978-01-13 | 1980-01-08 | Всесоюзный научно-исследовательский институт горноспасательного дела | Wood-cutting apparatus |
| US4979305A (en) * | 1986-10-06 | 1990-12-25 | Sandvik Ab | Saw blade for power operated saw |
| EP0267312B1 (en) * | 1986-11-11 | 1991-08-28 | Black & Decker Inc. | Power driven saw, in particular electrically powered saw |
| RU2071397C1 (en) * | 1992-09-24 | 1997-01-10 | Пермское приборостроительное производственное объединение | Web of powered saw |
| CN202291642U (en) * | 2011-10-18 | 2012-07-04 | 南京德朔实业有限公司 | Double saw blade quick-clamping device |
| CN202388057U (en) * | 2011-12-12 | 2012-08-22 | 海盐联合钢锯厂 | Dual-acting reciprocating saw blade |
| CN102905830A (en) * | 2011-03-07 | 2013-01-30 | 注入品牌公司 | Dual blade reciprocating saw |
| CN203245443U (en) * | 2013-03-01 | 2013-10-23 | 宁波捷美进出口有限公司 | Double-saw-web structure for electric saw |
-
2013
- 2013-03-01 CN CN2013100668988A patent/CN103111684A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU707795A1 (en) * | 1978-01-13 | 1980-01-08 | Всесоюзный научно-исследовательский институт горноспасательного дела | Wood-cutting apparatus |
| US4979305A (en) * | 1986-10-06 | 1990-12-25 | Sandvik Ab | Saw blade for power operated saw |
| EP0267312B1 (en) * | 1986-11-11 | 1991-08-28 | Black & Decker Inc. | Power driven saw, in particular electrically powered saw |
| RU2071397C1 (en) * | 1992-09-24 | 1997-01-10 | Пермское приборостроительное производственное объединение | Web of powered saw |
| CN102905830A (en) * | 2011-03-07 | 2013-01-30 | 注入品牌公司 | Dual blade reciprocating saw |
| CN202291642U (en) * | 2011-10-18 | 2012-07-04 | 南京德朔实业有限公司 | Double saw blade quick-clamping device |
| CN202388057U (en) * | 2011-12-12 | 2012-08-22 | 海盐联合钢锯厂 | Dual-acting reciprocating saw blade |
| CN203245443U (en) * | 2013-03-01 | 2013-10-23 | 宁波捷美进出口有限公司 | Double-saw-web structure for electric saw |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015013996A1 (en) * | 2013-08-02 | 2015-02-05 | 铁鎯电动工具有限公司 | Double saw blades for reciprocating saw |
| CN105034083A (en) * | 2015-08-27 | 2015-11-11 | 宁波捷美进出口有限公司 | Double saw blade for electric saw |
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Application publication date: 20130522 |