CN204413290U - Circular arc reciprocating saw - Google Patents
Circular arc reciprocating saw Download PDFInfo
- Publication number
- CN204413290U CN204413290U CN201520120817.2U CN201520120817U CN204413290U CN 204413290 U CN204413290 U CN 204413290U CN 201520120817 U CN201520120817 U CN 201520120817U CN 204413290 U CN204413290 U CN 204413290U
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- China
- Prior art keywords
- base plate
- bar
- shaped trough
- circular arc
- reciprocating saw
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Abstract
The utility model relates to a kind of circular arc reciprocating saw, and this circular arc reciprocating saw mainly includes reciprocating saw body, saw blade and base plate; Described base plate is made by ferrimagnet, which is provided with the bearing that an end face is parallel to base plate; Described base plate is fixedly connected on the inner ring of described bearing, and described body is fixedly connected on the outer ring of described bearing; Described saw blade passes base plate along the axis of described bearing; The outer ring of described bearing is radially connected with telescopic cross bar; Be fixed with horizontal direction at the end of described telescopic cross bar to stretch vertical pole, described flexible vertical pole be positioned at bar-shaped trough and with the axes normal of described bar-shaped trough; Also be provided with shaggy roller at the afterbody of described base plate, the axis of described roller is vertical with described bar-shaped trough; This reciprocating saw can simple, the convenient operation of structure, can cut out straight line easily, more can cut out the camber line of standard.
Description
Technical field
The present invention relates to a kind of hardware & tools, especially, is a kind of reciprocating saw.
Background technology
Reciprocating saw is that one utilizes the reciprocating machine of driven by motor saw blade high speed, and it has electronic speed regulation function, can, for different materials, use different rotating speeds to cut; In the reciprocating process of saw blade, reciprocating saw can imitate user and move up and down saw blade when cutting, and realizes efficient, labour-saving cutting; Also rotatable platter is installed in the bottom of reciprocating saw, is user-friendly to various instrument; But when reality uses reciprocating saw, due to the vibration of reciprocating saw itself, elementary operation is with being difficult to straight cutting material; In addition, when needs cutting camber line, the camber line cutting out standard is difficult to; People devise some aids for this reason, but need aid to be clamped in plate of material before being cut, operate comparatively loaded down with trivial details, and when running into material in irregular shape, aid is difficult to location.
Summary of the invention
For the problems referred to above, the invention provides a kind of circular arc reciprocating saw, this reciprocating saw can simple, the convenient operation of structure, can cut out straight line easily, more can cut out the camber line of standard.
For solving the problem, the technical solution adopted in the present invention is: this circular arc reciprocating saw mainly includes reciprocating saw body, saw blade and base plate; Described base plate is made by ferrimagnet, which is provided with the bearing that an end face is parallel to base plate; Described base plate is fixedly connected on the inner ring of described bearing, and described body is fixedly connected on the outer ring of described bearing; Described saw blade passes base plate along the axis of described bearing; The outer ring of described bearing is radially connected with telescopic cross bar, described telescopic cross bar and the axis being parallel being opened in the bar-shaped trough on base plate; Be fixed with horizontal direction at the end of described telescopic cross bar to stretch vertical pole, described flexible vertical pole be positioned at bar-shaped trough and with the axes normal of described bar-shaped trough; Described telescopic cross bar and described flexible vertical pole are provided with telescopic locking mechanism; Also be provided with shaggy roller at the afterbody of described base plate, the axis of described roller is vertical with described bar-shaped trough.
The invention has the beneficial effects as follows: because the coefficient of friction of roller is comparatively large, when base plate is placed on material surface to be cut, the displacement along roller rotation direction only can occur described base plate, is difficult to along the translation of roller axis direction; When needs use this circular arc reciprocating saw straight cuts, regulate the length of flexible vertical pole, make the two ends of flexible vertical pole withstand two sidewalls of bar-shaped trough; Due to the axes normal of flexible vertical pole and described bar-shaped trough and described telescopic cross bar be radially connected on bearing, therefore telescopic cross bar is now parallel with bar-shaped trough, and namely telescopic cross bar controls saw blade just to front; In addition, because flexible vertical pole withstands two sidewalls of bar-shaped trough, now telescopic cross bar is locked, and namely the anglec of rotation of the outer ring of bearing is locked, and now saw blade angle is locked, when cutting material, and the straight forward movement that saw blade is stable; Driving base plate to move by saw blade in front, described roller and material surface generation rolling friction, can not there is sidesway in base plate; Because the relative angle of saw blade and base plate is locked, deflection can not occur, therefore when flexible vertical pole withstands two sidewalls of bar-shaped trough, namely the present invention can cut out straight straight line; When needs cutting arc shape work piece line, regulate telescopic cross bar and flexible vertical pole to suitable length, make one end of flexible vertical pole be close to the sidewall of bar-shaped trough, now telescopic cross bar generation deflection, this deflection makes the angle that the outer ring rotating of telescopic cross bar band dynamic bearing is corresponding, the angle that namely saw blade deflection is corresponding; Now there is an angle between telescopic cross bar and the axis of bar-shaped trough, namely there is an angle in the axis of saw blade and bar-shaped trough, according to geometrical relationship, the size of this angle and the radius of circular arc to be cut are in relation one to one, and the radius of the larger corresponding circular arc of this angle is less, when angle is zero, arc radius is infinitely great, namely now cuts out straight line; By telescopic cross bar and flexible vertical pole fastening after, namely this angle is fixed, and start this circular arc reciprocating saw when cutting, saw blade remains this deflection angle, and the radius of the camber line now cut out is fixed, and namely cuts out standard round camber line.
In the cutting process of circular arc line, saw blade controls deflection angle when advancing all the time, and base plate advances under the drive of saw blade, and roller does circular motion under the drive of saw blade; This motion process is similar to the driving process of forerunner's tricycle, and front wheel angle is larger, and car body arc radius is in motion less.
Structure of the present invention is simple, without the need to the straight line, the circular arc that use aid can cut out standard, in operation, only need regulate the length of telescopic cross bar and flexible vertical pole and adjustable arc radius, easy to operate; Because base plate and material surface remain rolling friction, the card of base plate can not be caused to pause.
As preferably, at the two ends of described flexible vertical pole, magnetic patch is installed; Because base plate uses ferrimagnet to make, after the length regulating telescopic cross bar and flexible vertical pole, after namely determining the radius of the circular arc that will cut, rotate described body; By magneticaction, stretching, vertical pole is fastening is adsorbed on bar-shaped trough sidewall, and then by the angle locking of body rotation; This structure can guarantee the degree of accuracy of circular arc.
As preferably, the both sides being distributed in bar-shaped trough of described roller symmetry, the roller of the every side of bar-shaped trough is 2*2 array; So that increase the frictional force of roller transverse movement, effectively prevent roller from breakking away.
As preferably, described telescopic cross bar and described flexible vertical pole are carved with scale; So that the accurate length regulating cross bar and vertical pole, and then determine the size of circular arc.
Accompanying drawing explanation
Fig. 1 is the schematic top plan view of this circular arc reciprocating saw embodiment.
Fig. 2 is schematic side view embodiment illustrated in fig. 1.
Detailed description of the invention
Embodiment
In the embodiment shown in Fig. 1, Fig. 2, in figure, body 1 does not all draw, and only retains saw head part;
This circular arc reciprocating saw mainly includes reciprocating saw body 1, saw blade 4 and base plate 2; Described base plate 2 is made by ferrimagnet, which is provided with the bearing 3 that an end face is parallel to base plate 2; Described base plate 2 is fixedly connected on the inner ring 32 of described bearing 3, and described body 1 is fixedly connected on the outer ring 31 of described bearing 3; Described saw blade 4 passes base plate 2 along the axis of described bearing 3; The outer ring 31 of described bearing 3 is radially connected with telescopic cross bar 5, described telescopic cross bar 5 and the axis being parallel offering bar-shaped trough 21 on a base plate 2; Be fixed with horizontal direction at the end of described telescopic cross bar 5 to stretch vertical pole 6, described flexible vertical pole 6 be positioned at bar-shaped trough 21 and with the axes normal of described bar-shaped trough 21; At the two ends of described flexible vertical pole 6, magnetic patch 61 is installed; Described telescopic cross bar 5 and described flexible vertical pole 6 are provided with telescopic locking mechanism; This telescopic locking mechanism has multiple implementation, as withstood the body of rod by holding screw; Or equidistantly offer spacing hole along body of rod axis, locked by spacer pin, and the position mark corresponding to comparatively conventional radius there is eye-catching sign, convenient operation and location; Described telescopic cross bar 5 and described flexible vertical pole 6 are also carved with scale; Also be provided with shaggy roller 7 at the afterbody of described base plate 2, the both sides being distributed in bar-shaped trough 21 of described roller 7 symmetry, the roller 7 of the every side of bar-shaped trough 21 is 2*2 array; The axis of described roller 7 is vertical with described bar-shaped trough 21.
Because the coefficient of friction of roller 7 is larger, when base plate 2 is placed on material surface to be cut, only can there is the displacement along roller 7 rotation direction in described base plate 2, be difficult to along the translation of roller 7 axis direction, the above-mentioned arrangement mode of roller 7 can increase the frictional force of roller 7 transverse movement further, effectively prevents base plate 2 from breakking away; When needs use this circular arc reciprocating saw straight cuts, regulate the length of flexible vertical pole 6, make the two ends of flexible vertical pole 6 withstand two sidewalls of bar-shaped trough 21; Due to flexible vertical pole 6 and described bar-shaped trough 21 axes normal and described telescopic cross bar 5 is radially connected on bearing 3, therefore telescopic cross bar 5 is now parallel with bar-shaped trough 21, and namely telescopic cross bar 21 controls saw blade 4 just to front; In addition, because flexible vertical pole 6 withstands two sidewalls of bar-shaped trough 21, now telescopic cross bar 5 is locked, and namely the anglec of rotation of the outer ring of bearing 3 is locked, and now saw blade 4 angle is locked, when cutting material, and the straight forward movement that saw blade 4 is stable; Driving base plate 2 to move by saw blade 4 in front, described roller 7 and material surface generation rolling friction, can not there is sidesway in base plate 2; Because the relative angle of saw blade 4 with base plate 2 is locked, deflection can not occur, therefore when flexible vertical pole 6 withstands two sidewalls of bar-shaped trough 21, namely the present invention can cut out straight straight line; When needs cutting arc shape work piece line, by observing scale, regulate telescopic cross bar 5 and flexible vertical pole 6 to suitable length, by telescopic locking mechanism, telescopic cross bar 5 and flexible vertical pole 6 are fixed, one end of flexible vertical pole 6 is made to be close to the sidewall of bar-shaped trough 21, the magnetic patch 61 of flexible vertical pole 6 end is firmly adsorbed on described base plate 2 by magneticaction, the deflection that this magneticaction can effectively prevent the shake because of saw blade from causing, and this structure can improve accuracy of the present invention; Now there is deflection in telescopic cross bar 5, and this deflection makes the outer ring 31 of telescopic cross bar 5 with dynamic bearing 3 rotate corresponding angle, and namely saw blade 4 deflects corresponding angle; An angle is there is between the axis of now telescopic cross bar 5 and bar-shaped trough 21, namely there is an angle with the axis of bar-shaped trough 21 in saw blade 4, according to geometrical relationship, the size of this angle and the radius of circular arc to be cut are in relation one to one, and the radius of the larger corresponding circular arc of this angle is less, when angle is zero, arc radius is infinitely great, namely now cuts out straight line; By telescopic cross bar 5 and flexible vertical pole 6 fastening after, namely this angle is fixed, and start this circular arc reciprocating saw when cutting, saw blade 4 remains this deflection angle, and the radius of the camber line now cut out is fixed, and namely cuts out standard round camber line.
In the cutting process of circular arc line, saw blade 4 controls deflection angle when advancing all the time, and base plate 2 advances under the drive of saw blade 4, and roller 7 does circular motion under the drive of saw blade 4; This motion process is similar to the driving process of forerunner's tricycle, and front wheel angle is larger, and car body arc radius is in motion less.
Structure of the present invention is simple, without the need to the straight line, the circular arc that use aid can cut out standard, in operation, only need regulate the length of telescopic cross bar 5 and flexible vertical pole 6 and adjustable arc radius, easy to operate; Because base plate 2 and material surface remain rolling friction, the card of base plate 2 can not be caused to time.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. a circular arc reciprocating saw, this circular arc reciprocating saw mainly includes reciprocating saw body (1), saw blade (4) and base plate (2); It is characterized in that: described base plate (2) is made by ferrimagnet, which is provided with the bearing (3) that an end face is parallel to base plate (2); Described base plate (2) is fixedly connected on the inner ring (32) of described bearing (3), and described body (1) is fixedly connected on the outer ring (31) of described bearing; Described saw blade (4) passes base plate (2) along the axis of described bearing (3); The outer ring (31) of described bearing (3) is radially connected with telescopic cross bar (5), described telescopic cross bar (5) and the axis being parallel being opened in the bar-shaped trough (21) on base plate (2); Be fixed with horizontal direction at the end of described telescopic cross bar (5) to stretch vertical pole (6), described flexible vertical pole (6) be positioned at bar-shaped trough (21) and with the axes normal of described bar-shaped trough; Described telescopic cross bar (5) and described flexible vertical pole (6) are provided with telescopic locking mechanism; Also be provided with shaggy roller (7) at the afterbody of described base plate, the axis of described roller (7) is vertical with described bar-shaped trough (21).
2. circular arc reciprocating saw according to claim 1, is characterized in that: be provided with magnetic patch (61) at the two ends of described flexible vertical pole (6).
3. circular arc reciprocating saw according to claim 1 and 2, is characterized in that: the both sides being distributed in bar-shaped trough (21) that described roller (7) is symmetrical, and the roller (7) of the every side of bar-shaped trough (21) is 2*2 array.
4. circular arc reciprocating saw according to claim 3, is characterized in that: on described telescopic cross bar (5) and described flexible vertical pole (6), be carved with scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520120817.2U CN204413290U (en) | 2015-03-02 | 2015-03-02 | Circular arc reciprocating saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520120817.2U CN204413290U (en) | 2015-03-02 | 2015-03-02 | Circular arc reciprocating saw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204413290U true CN204413290U (en) | 2015-06-24 |
Family
ID=53463696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520120817.2U Withdrawn - After Issue CN204413290U (en) | 2015-03-02 | 2015-03-02 | Circular arc reciprocating saw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204413290U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104646753A (en) * | 2015-03-02 | 2015-05-27 | 周盈裕 | Arc reciprocating saw |
| CN107570798A (en) * | 2017-08-22 | 2018-01-12 | 国网山东省电力公司淄博供电公司 | Frid diagonally cuts fixing device |
-
2015
- 2015-03-02 CN CN201520120817.2U patent/CN204413290U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104646753A (en) * | 2015-03-02 | 2015-05-27 | 周盈裕 | Arc reciprocating saw |
| CN107570798A (en) * | 2017-08-22 | 2018-01-12 | 国网山东省电力公司淄博供电公司 | Frid diagonally cuts fixing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150624 Effective date of abandoning: 20160817 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |