CN203495329U - Double saw web for reciprocating saw - Google Patents
Double saw web for reciprocating saw Download PDFInfo
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- CN203495329U CN203495329U CN201320472920.4U CN201320472920U CN203495329U CN 203495329 U CN203495329 U CN 203495329U CN 201320472920 U CN201320472920 U CN 201320472920U CN 203495329 U CN203495329 U CN 203495329U
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- saw
- saw blade
- limiting section
- reciprocating
- guide hole
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- 238000000034 method Methods 0.000 claims abstract description 11
- 230000008569 process Effects 0.000 claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims description 14
- 210000003734 kidney Anatomy 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 2
- 238000005299 abrasion Methods 0.000 abstract 1
- 241000763859 Dyckia brevifolia Species 0.000 description 137
- 238000005520 cutting process Methods 0.000 description 13
- 238000005096 rolling process Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012913 prioritisation Methods 0.000 description 1
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Abstract
The utility model discloses a double saw web for a reciprocating saw, especially discloses the double saw web applied to the reciprocating saw and belongs to the field of electric tools. The problem of major frictional abrasion of an upper limiting guiding structure of the existing double saw web is solved. The double saw web for the reciprocating saw provided by the utility model comprises a first saw web and a second saw web, wherein the first saw web and the second saw web are connected through the limiting guiding structure; the limiting guiding structure comprises a sliding element, a first sliding hole and a second sliding hole; the first sliding hole is arranged in the first saw web; the second sliding hole is arranged in the second saw web; the sliding element is provided with a shaft part, and a first limiting part and a second limiting part which are arranged at the two ends of the shaft part; the shaft part passes through the first sliding hole and the second sliding hole; the first limiting part is located on the outer side face of the first saw web; the second limiting part is located on the outer side face of the second saw web; the shaft part rolls and slides in the first sliding hole and the second sliding hole during the opposite reciprocating motion process of the first saw web and the second saw web.
Description
[technical field]
The utility model relates to a kind of saw blade, is especially applied to two saw blades of reciprocating saw, belongs to field of power tools.
[background technology]
Two saw blade reciprocating saws can not worked easily owing to not needing in use to treat cut workpiece support, and cutting action is steady, rapid operation, thereby very popular.Electric saw two saw blades used generally include the first saw blade and the second saw blade being arranged in parallel at present, and guide the first saw blade and the reciprocal reciprocating motion of the second saw blade by spacing guide frame.
For example, publication number is that " 102416505A ", name are called the two saw blades that disclose following structure in the patent of invention of " a kind of two moving reciprocating saw blades ", comprise two single saw blades, wherein the saw body front end of a described single saw blade is with protrusion means, described in another root, the saw body front end of single saw blade is with groove, two described single saw blades are combined together by described protrusion means and described groove, can do relative motion.
And for example, publication number is that " 103111684A ", name are called the two saw blades that disclose following structure in the patent of invention of " a kind of electric saw with two saw-blade structures ", comprise the first driving mechanism and the second driving mechanism and the first saw blade being arranged in parallel and the second saw blade that connect respectively electric saw, described the first saw blade is provided with slide opening, the sidewall of this slide opening is inclined-plane, and slide opening is positioned at opening on the first saw blade lateral surface and is greater than slide opening and is positioned at the opening on the first saw blade medial surface, 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 and can be contained in slidably the slide block in described slide opening, and the structure of described slide block is the round platform suitable with slide opening size, and the height of described slide block is slightly smaller than the degree of depth of described slide opening.
From above-mentioned open source literature: the spacing guide frame on existing pair of saw blade generally includes projection and chute, projection and chute arrange respectively on two saw blades, its protrusions is generally rivet or slide block, the shape of chute matches with projection, after two saw blade assemblings, projection can only be along runner movement, thereby plays spacing guide effect.In cutting work, the reciprocating motion of two saw blades constantly rubs projection and the cell wall of chute, because projection is fixed on saw blade, the wearing and tearing that this friction brings can strengthen, cause not reaching between projection and chute original quality of fit, there is the situation that saw blade is shaken up and down, service life and the cut quality of the two saw blades of impact.
[utility model content]
The utility model proposes two saw blades for a kind of reciprocating saw, can guarantee the stability of two saw blade cutting movements, and extend its service life.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
Two saw blades for a kind of reciprocating saw, comprise the first saw blade and the second saw blade, described the first saw blade is connected by spacing guiding mechanism with the second saw blade, described spacing guiding mechanism comprises sliding part, be located at the first slide opening on the first saw blade and be located at the second slide opening on the second saw blade, described sliding part has axial region and is positioned at the first limiting section and second limiting section at axial region two ends, described axial region is through the first slide opening and the second slide opening, described the first limiting section is positioned at the lateral surface of the first saw blade, described the first limiting section is positioned at the lateral surface of the second saw blade, described axial region in the first saw blade and reciprocally reciprocating motion process of the second saw blade in the first slide opening and the second slide opening roll-sliding.
Further, described the first slide opening comprises the first slide guide hole and is positioned at the first pilot hole of the first slide guide hole end, described the second slide opening comprises the second slide guide hole and is positioned at the second pilot hole of the second slide guide hole end, the first limiting section of described sliding part and the second limiting section all can freely pass through the first pilot hole and the second pilot hole, the axial region of described sliding part in the first saw blade and reciprocally reciprocating motion process of the second saw blade in the first slide guide hole and the second slide guide hole roll-sliding.
Further, the lateral surface of described the first saw blade is provided with the first stopper slot with the first pilot hole interval preset distance, described the first slide guide hole extends in the first stopper slot, the lateral surface of described the second saw blade is provided with the second stopper slot being connected with the second pilot hole, described the second slide guide hole extends in the second stopper slot, the first limiting section can be in the first stopper slot roll-sliding, the second limiting section can be in the second stopper slot roll-sliding.
Further, described the first limiting section and the second limiting section are torus, and described the first pilot hole and the second pilot hole are circular hole, and described the first stopper slot and the second stopper slot are kidney slot.
Further, the length of described axial region is greater than the hole depth sum of described the first slide guide hole and the second slide guide hole.
Further, the axial region of described sliding part, the first limiting section and the second limiting section three in one moulding or split type connection.
The beneficial effects of the utility model:
1, the reciprocating saw the utility model proposes has changed the spacing guide frame of existing pair of saw blade with two saw blades, adopt sliding part to replace existing bulge-structure (slide block, rivet or pin), and sliding part in the first saw blade and reciprocally reciprocating motion process of the second saw blade in the first slide opening and the second slide opening roll-sliding, that is to say, the friction producing between sliding part and the first slide opening and the second slide opening is rolling friction, generally, the resistance of rolling friction only has 1/40 to 1/60 of sliding-frictional resistance, so just greatly reduce the fretting wear producing on sliding part and two saw blades, extend the service life of two saw blades, in addition, due to significantly reducing of fretting wear, make quality of fit between sliding part and the first slide opening and the second slide opening in a long time not because fretting wear is lowered, guarantee the stability of two saw blade cutting movements, improve cut quality.
2, the first limiting section and the second limiting section are set on the utility model sliding part, the first limiting section is positioned at the lateral surface of the first saw blade, the first limiting section is positioned at the lateral surface of the second saw blade, in actual cutting work, the first limiting section and the second limiting section carry out spacing to the first saw blade and the second saw blade respectively, to keep gap band stable between the first saw blade and the second saw blade, thereby make cut workpiece obtain desirable joint-cutting.
3, because the frictional resistance between sliding part and two saw blade reduces, resistance while having reduced to a certain extent two saw blade reciprocating motion, the two saw blades in compared to existing technology, of the present utility model pair of saw blade is under same driving force condition, can obtain larger reciprocating power, cutting efficiency improves.
These features of the present utility model and advantage will be below the specific embodiment, accompanying drawing in detailed exposure.
[accompanying drawing explanation]
Below in conjunction with accompanying drawing, the utility model is described further:
Fig. 1 is the structural representation of the first saw blade in the utility model preferred embodiment;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the structural representation of the second saw blade in the utility model preferred embodiment;
Fig. 4 is the B-B cutaway view of Fig. 1;
Fig. 5 is the structural representation of sliding part in the utility model preferred embodiment;
Fig. 6 is the side structure schematic diagram after the assembling of the first saw blade in the utility model preferred embodiment, the second saw blade and sliding part;
Fig. 7 is the C-C cutaway view of Fig. 6;
Fig. 8 is the perspective view after the assembling of the first saw blade in the utility model preferred embodiment, the second saw blade and sliding part.
[specific embodiment]
The utility model proposes two saw blades for a kind of reciprocating saw, comprise the first saw blade and the second saw blade, the first saw blade is connected by spacing guiding mechanism with the second saw blade, spacing guiding mechanism comprises sliding part, be located at the first slide opening on the first saw blade and be located at the second slide opening on the second saw blade, sliding part has axial region and is positioned at the first limiting section and second limiting section at axial region two ends, axial region is through the first slide opening and the second slide opening, the first limiting section is positioned at the lateral surface of the first saw blade, the first limiting section is positioned at the lateral surface of the second saw blade, axial region in the first saw blade and reciprocally reciprocating motion process of the second saw blade in the first slide opening and the second slide opening roll-sliding.
Spacing guide frame at present two saw blades generally includes projection and chute, projection and chute arrange respectively on two saw blades, because projection is for being fixedly installed, between projection and chute, can only produce sliding friction, saw blade is produced compared with galling, and in scheme of the present utility model, adopt sliding part to replace existing bulge-structure (slide block, rivet or pin), and sliding part in the first saw blade and reciprocally reciprocating motion process of the second saw blade in the first slide opening and the second slide opening roll-sliding, that is to say, the friction producing between sliding part and the first slide opening and the second slide opening is rolling friction, generally, the resistance of rolling friction only has 1/40 to 1/60 of sliding-frictional resistance, so just greatly reduce the fretting wear producing on sliding part and two saw blades, extend the service life of two saw blades
Accompanying drawing below in conjunction with the utility model embodiment is explained and illustrated the technical scheme of the utility model embodiment, but following embodiment is only preferred embodiment of the present utility model, not all.Embodiment based in embodiment, those skilled in the art are other embodiment that obtains under the prerequisite of not making creative work, all belong to protection domain of the present utility model.
With reference to Fig. 1-5, two saw blades for a kind of reciprocating saw, comprise the first saw blade 1 and the second saw blade 2, the first saw blade 1 is connected by spacing guiding mechanism with the second saw blade 2, spacing guiding mechanism comprises sliding part 3, be located at the first slide opening 11 on the first saw blade 1 and be located at the second slide opening 21 on the second saw blade 2, sliding part 3 has axial region 30 and is positioned at the first limiting section 31 and second limiting section 32 at axial region 30 two ends, axial region 30 is through the first slide opening 11 and the second slide opening 21, the first limiting section 31 is positioned at the lateral surface of the first saw blade 1, the first limiting section 31 is positioned at the lateral surface of the second saw blade 2, axial region 30 in the first saw blade 1 and the second saw blade 2 reciprocally reciprocating motion processes in the first slide opening 11 and the interior roll-sliding of the second slide opening 21.
Be preferably, the first slide opening 11 comprises the first slide guide hole 110 and is positioned at the first pilot hole 111 of the first slide guide hole 110 ends, the second slide opening 21 comprises the second slide guide hole 210 and is positioned at the second pilot hole 211 of the second slide guide hole 210 ends, the first limiting section 31 of sliding part 3 and the second limiting section 32 all can freely pass through the first pilot hole 111 and the second pilot hole 211, the axial region 30 of sliding part 3 in the first saw blade 1 and the second saw blade 2 reciprocally reciprocating motion processes in the first slide guide hole 110 and the interior roll-sliding of the second slide guide hole 210.
Further optimize: the lateral surface of the first saw blade 1 is provided with the first stopper slot 112 with the first pilot hole 111 interval preset distances, the first slide guide hole 110 extends in the first stopper slot 112, the lateral surface of the second saw blade 2 is provided with the second stopper slot 212 being connected with the second pilot hole 211, the second slide guide hole 210 extends in the second stopper slot 212, the first limiting section 31 can be in the first stopper slot 112 roll-sliding, the second limiting section 32 can be in the second stopper slot 212 roll-sliding.
It should be noted that: after the first saw blade 1 and the second saw blade 2 assemblings, on the first saw blade 1, towards the side of the second saw blade 2, be medial surface, the side that deviates from the second saw blade 2 on the first saw blade 1 is lateral surface, on the second saw blade 2, towards the side of the first saw blade 1, be medial surface, the side that deviates from the first saw blade 1 on the second saw blade 2 is lateral surface.
With reference to Fig. 6-8, according to above-mentioned prioritization scheme, sliding part 3 integrated formed structures of take are example, assembling process is as follows: first sliding part 3 is assembled on the first saw blade 1, specific as follows: the first installing hole that only the second limiting section 32 of sliding part 3 is passed to the first saw blade 1, again sliding part 3 is moved to the first slide guide hole 110, then sliding part 3 is moved to the second limiting section 32 directions, the first limiting section 31 is embedded in the first stopper slot 112;
Again the second saw blade 2 is assembled on sliding part 3, specific as follows: the second saw blade 2 is superimposed on the first saw blade 1, the second limiting section 32 of sliding part 3 is through the second installing hole of the second saw blade 2, because axial region 30 length of sliding part 3 are greater than the hole depth sum of the first slide guide hole 110 and the second slide guide hole 210, therefore by the second saw blade 2 backward movement can make the axial region 30 of sliding part 3 relatively move to the second slide guide hole 210, because the second stopper slot 212 is connected with the second pilot hole 211, therefore the second limiting section 32 slips into the second stopper slot 212, complete the first saw blade 1, the assembling of the second saw blade 2 and sliding part 3.
Two saw blades that above-mentioned assembling is completed are installed on reciprocating saw, the first driving mechanism (not shown) of reciprocating saw drives the first saw blade 1, the second driving mechanism (not shown) drives the second saw blade 2, the first saw blade 1 is contrary with the direction of motion of the second saw blade 2, but cutting speed is identical with cutting force, and the resistance producing while therefore cutting can be cancelled each other, non-recoil power, cutting process is steady, operates comfortablely, and cutting efficiency can surpass the more than 40% of current single saw blade.In actual work, the length of the first stopper slot 112 on the first saw blade 1 defines the effective travel of two saw blades.
For convenience of assembling, in the present embodiment, the first limiting section 31 and the second limiting section 32 are torus, and the first pilot hole 111 and the second pilot hole 211 are circular hole, and Circularhole diameter is slightly larger than torus diameter, so that the first limiting section 31 and the second limiting section 32 pass; The first stopper slot 112 and the second stopper slot 212 are kidney slot, and the width of kidney slot is slightly larger than torus diameter, so that the roll-sliding of the first limiting section 31 and the second limiting section 32.
In order to make the cutting movement of two saw blades more stable, the present embodiment is provided with two groups of spacing guiding mechanisms on two saw blades, can improve the stability of two saw blades.But according to the length of two saw blades, the quantity of the spacing guiding mechanism of increase that can be suitable.
In addition, sliding part of the present utility model also can adopt Split type structure, such as, the first limiting section and axial region are integrative-structures, and the second limiting section can be fixed on axial region one end by mechanical connection manner, like this, when the two saw blade of assembling, can on saw blade, save the first pilot hole and the second pilot hole, the axial region of sliding part is directly through the first slide guide hole and the second slide guide hole, at axial region end, fix the second limiting section again, can realize equally the roll-sliding of sliding part.
The utility model embodiment is applied to hand held electric tool, especially on reciprocating saw or multi-functional electric saw.
By above-described embodiment, the purpose of this utility model is by fully effective having reached.The personage who is familiar with this skill should be understood that the utility model includes but not limited to accompanying drawing and the content of describing in the specific embodiment above.Any modification that does not depart from function and structure principle of the present utility model all will be included in the scope of claims.
Claims (6)
1. two saw blades for a reciprocating saw, comprise the first saw blade and the second saw blade, described the first saw blade is connected by spacing guiding mechanism with the second saw blade, it is characterized in that: described spacing guiding mechanism comprises sliding part, be located at the first slide opening on the first saw blade and be located at the second slide opening on the second saw blade, described sliding part has axial region and is positioned at the first limiting section and second limiting section at axial region two ends, described axial region is through the first slide opening and the second slide opening, described the first limiting section is positioned at the lateral surface of the first saw blade, described the first limiting section is positioned at the lateral surface of the second saw blade, described axial region in the first saw blade and reciprocally reciprocating motion process of the second saw blade in the first slide opening and the second slide opening roll-sliding.
2. two saw blades for a kind of reciprocating saw as claimed in claim 1, it is characterized in that: described the first slide opening comprises the first slide guide hole and is positioned at the first pilot hole of the first slide guide hole end, described the second slide opening comprises the second slide guide hole and is positioned at the second pilot hole of the second slide guide hole end, the first limiting section of described sliding part and the second limiting section all can freely pass through the first pilot hole and the second pilot hole, the axial region of described sliding part in the first saw blade and reciprocally reciprocating motion process of the second saw blade in the first slide guide hole and the second slide guide hole roll-sliding.
3. two saw blades for a kind of reciprocating saw as claimed in claim 2, it is characterized in that: the lateral surface of described the first saw blade is provided with the first stopper slot with the first pilot hole interval preset distance, described the first slide guide hole extends in the first stopper slot, the lateral surface of described the second saw blade is provided with the second stopper slot being connected with the second pilot hole, described the second slide guide hole extends in the second stopper slot, the first limiting section can be in the first stopper slot roll-sliding, the second limiting section can be in the second stopper slot roll-sliding.
4. two saw blades for a kind of reciprocating saw as claimed in claim 3, it is characterized in that: described the first limiting section and the second limiting section are torus, described the first pilot hole and the second pilot hole are circular hole, and described the first stopper slot and the second stopper slot are kidney slot.
5. two saw blades for a kind of reciprocating saw as described in claim 2 or 3 or 4, is characterized in that: the length of described axial region is greater than the hole depth sum of described the first slide guide hole and the second slide guide hole.
6. two saw blades for a kind of reciprocating saw as claimed in claim 1 or 2 or 3 or 4, is characterized in that: the axial region of described sliding part, the first limiting section and the second limiting section three in one moulding or split type connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320472920.4U CN203495329U (en) | 2013-08-02 | 2013-08-02 | Double saw web for reciprocating saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320472920.4U CN203495329U (en) | 2013-08-02 | 2013-08-02 | Double saw web for reciprocating saw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203495329U true CN203495329U (en) | 2014-03-26 |
Family
ID=50326336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320472920.4U Withdrawn - After Issue CN203495329U (en) | 2013-08-02 | 2013-08-02 | Double saw web for reciprocating saw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203495329U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103406590A (en) * | 2013-08-02 | 2013-11-27 | 浙江暨阳机电有限公司 | Double saw blades for reciprocating saw |
| CN105728847A (en) * | 2016-05-11 | 2016-07-06 | 蔡锦霞 | Saw blade structure |
| CN105880732A (en) * | 2016-05-11 | 2016-08-24 | 蔡锦霞 | Cutting device of sawing cutter |
-
2013
- 2013-08-02 CN CN201320472920.4U patent/CN203495329U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103406590A (en) * | 2013-08-02 | 2013-11-27 | 浙江暨阳机电有限公司 | Double saw blades for reciprocating saw |
| CN103406590B (en) * | 2013-08-02 | 2016-06-01 | 浙江暨阳机电有限公司 | Reciprocating saw pair saw blade |
| CN105728847A (en) * | 2016-05-11 | 2016-07-06 | 蔡锦霞 | Saw blade structure |
| CN105880732A (en) * | 2016-05-11 | 2016-08-24 | 蔡锦霞 | Cutting device of sawing cutter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140326 Effective date of abandoning: 20160601 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140326 Effective date of abandoning: 20160601 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |