CN208230978U - Electric jig saw - Google Patents
Electric jig saw Download PDFInfo
- Publication number
- CN208230978U CN208230978U CN201820755514.1U CN201820755514U CN208230978U CN 208230978 U CN208230978 U CN 208230978U CN 201820755514 U CN201820755514 U CN 201820755514U CN 208230978 U CN208230978 U CN 208230978U
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- China
- Prior art keywords
- reciprocating lever
- rod
- electric jig
- jig saw
- telescopic shaft
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Abstract
A kind of electric jig saw of power tools technology field, it include: Reciprocatory motor, reciprocating lever and curve saw blade, wherein, Reciprocatory motor output end is equipped with telescopic shaft, telescopic shaft and reciprocating lever pass through link transmission, reciprocating lever is arranged on supporting element, and reciprocating lever end is equipped with collet, and grips have curve saw blade.The utility model uses Reciprocatory motor, it is the reciprocating motion of saw blade by Reciprocatory motor flexible conversion of motion, reduces the complexity of electric jig saw head drive mechanism, increases reciprocating lever size, intensity and service life are improved, whole aircraft reliability and human-machine operation comfort are optimized.
Description
Technical field
The utility model relates to a kind of technology of field of power tools, specifically a kind of electric jig saw.
Background technique
Electric jig saw in the market generallys use rotating electric machine and drives saw blade to move back and forth by eccentric gear, or
Person is moved back and forth by Oscillating lever bearing drive, and reciprocating lever size is larger by the limitation such as eccentric gear, and general bar diameter is smaller,
The material and its processing technology for needing higher hardness could proof strengths；The cost of another aspect rotating electric machine is also relatively high.And
In terms of man-machine coordination angle, traditional electric jig saw size is big, gripping is uncomfortable, center of gravity is unreasonable, and operation is also inconvenient.
Utility model content
The utility model In view of the above shortcomings of the prior art, proposes a kind of electric jig saw, using Reciprocatory
Reciprocatory motor flexible conversion of motion is the reciprocating motion of saw blade, reduces the complexity of sweep-saw head drive mechanism by motor,
Increase reciprocating lever size, improve intensity and service life, optimizes whole aircraft reliability and human-machine operation comfort.
The utility model is achieved through the following technical solutions:
The utility model includes: Reciprocatory motor, reciprocating lever and curve saw blade, wherein Reciprocatory motor output end is equipped with
Telescopic shaft, telescopic shaft and reciprocating lever are arranged on supporting element by link transmission, reciprocating lever, and reciprocating lever end is equipped with collet, folder
Head is clamped with curve saw blade.
The Reciprocatory motor uses linear motor or voice coil motor；Preferably, the voice coil motor is cylindrical voice coil
Motor.
The reciprocating lever connects transmission by master connecting-rod with telescopic shaft；Corresponding master connecting-rod, reciprocating lever is equipped with to be connected with master connecting-rod
The first connecting rod connect, the first connecting rod other end are connected with second connecting rod, and the second connecting rod other end is fixed on sweep-saw shell；The
One connecting rod and master connecting-rod are in the reciprocating lever direction of motion resultant direction of reciprocating lever, can reduce reciprocating lever and sweep-saw side
The frictional force of wall is conducive to move back and forth.
Preferably, the master connecting-rod is straight-bar connecting rod.
The Reciprocatory motor is arranged in sweep-saw handle, and the reciprocating lever is arranged on sweep-saw head；Preferably, institute
Master connecting-rod connecting place indent on the inside of sweep-saw handle housing and sweep-saw head shell is stated, it is empty to rotation to reduce link rotatable
Between demand；It is further preferred that the master connecting-rod uses curved rod.
The reciprocating lever is equipped at least one higher pair rolling element, and higher pair rolling element is in contact with supporting element.
The higher pair rolling element is rolling bearing, ball or cylinder.
The telescopic shaft is equipped with supporting guide；The supporting guide uses cooperate with flexible axis shape, low-friction coefficient
Slotware, any one in pipe fitting and sliding bearing.
The supporting element is appointing in slotware cooperate with reciprocal rod-shape, low-friction coefficient, pipe fitting and sliding bearing
It anticipates one kind.
Technical effect
Compared with prior art, the utility model uses Reciprocatory motor, is saw by Reciprocatory motor flexible conversion of motion
The elevating movement of item reduces the complexity of sweep-saw head drive mechanism, increases reciprocating lever size, improves intensity and service life
And the cut quality of saw blade, optimize whole aircraft reliability and human-machine operation comfort.
Detailed description of the invention
Fig. 1 a is that embodiment 1 acts original state structural schematic diagram；
Fig. 1 b is that embodiment 1 acts final state structural schematic diagram；
Fig. 2 a is that embodiment 1 acts original state structural schematic diagram；
Fig. 2 b is that embodiment 1 acts final state structural schematic diagram；
In figure: Reciprocatory motor 1, reciprocating lever 2, curve saw blade 3, telescopic shaft 4, curved rod 5, supporting element 6, supporting guide
7, collet 8, rolling bearing 9, first connecting rod 10, second connecting rod 11.
Specific embodiment
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Embodiment 1
As illustrated in figs. 1A and ib, the present embodiment includes: Reciprocatory motor 1, reciprocating lever 2 and curve saw blade 3, wherein past
1 output end of replica motor is equipped with telescopic shaft 4, and telescopic shaft 4 is connected with reciprocating lever 2 by curved rod 5, and the setting of reciprocating lever 2 is being propped up
In support member 6,2 end of reciprocating lever is equipped with collet 8, and collet 8 is clamped with curve saw blade 3.
Space needed for the curved rod 5 can reduce rotation, to increase the length of supporting element 6, so that sweep-saw
Item 3 has bigger operating space.Curved rod can certainly be substituted with delta link, the angle of delta link is opposite
It is oppositely arranged in sweep-saw handle housing and connecting place on the inside of sweep-saw head shell.
The telescopic shaft 4 is equipped with supporting guide 7；The supporting guide 7 is using cooperate with 4 shape of telescopic shaft, low friction
Any one in the slotware of coefficient, pipe fitting and sliding bearing；Preferably, using sliding copper sheathing, guarantee that telescopic shaft 4 drives back and forth
Iron core in type motor 1 reliably moves back and forth in Reciprocatory motor 1.
The Reciprocatory motor 1 is at low cost, the service life is high, structure is simple, small in size preferably using cylindrical voice coil motor.
The supporting element 6 is using sliding copper sheathing, and reciprocating lever 2 and sliding copper sheathing contact area are sufficiently large, while phase mutual friction
Power is again small, substantially increases service life and the stability of reciprocal rod structure.
The corresponding curved rod 5 of the reciprocating lever 2 is equipped with the first connecting rod 10 hinged with curved rod 5, and first connecting rod 10 is another
One end is hinged with second connecting rod 11, and 11 other end of second connecting rod is fixed on sweep-saw shell；First connecting rod 10 and curved rod 5
The resultant direction of reciprocating lever 2 is in 2 axial direction of reciprocating lever, the frictional force of reciprocating lever 2 Yu sweep-saw side wall can be reduced, favorably
In reciprocating motion.
Embodiment 2
As shown in Figure 2 a and 2 b, the present embodiment includes: Reciprocatory motor 1, reciprocating lever 2 and curve saw blade 3, wherein past
1 output end of replica motor is equipped with telescopic shaft 4, and telescopic shaft 4 is connected with reciprocating lever 2 by curved rod 5, and the setting of reciprocating lever 2 is being propped up
In support member 6,2 end of reciprocating lever is equipped with collet 8, and collet 8 is clamped with curve saw blade 3.
The telescopic shaft 4 is equipped with supporting guide 7；The supporting guide 7 is using sliding copper sheathing.
Preferably, the reciprocating lever 2 is equipped with the rolling bearing 9 of two groups of Relative verticals setting, one group of rolling bearing 9 and support
Part 6, which is in contact, to be further connected by pin shaft with curved rod 5, reduces the frictional resistance of reciprocating lever by rolling bearing, another
Group rolling bearing 9 is set to inside reciprocating lever 2 by pin shaft.
Preferably, the cross section of the reciprocating lever 2 is rectangular, and accordingly the supporting element 6 uses rectangular guideway.
It is emphasized that: the above is only the preferred embodiment of the present utility model, not appoints to the utility model
What formal limitation, any simple modification made by the above technical examples according to the technical essence of the present invention, etc.
With variation and modification, it is still within the scope of the technical solutions of the present invention.
Claims (9)
1. a kind of electric jig saw characterized by comprising Reciprocatory motor, reciprocating lever and curve saw blade, wherein Reciprocatory
Motor output end is equipped with telescopic shaft, telescopic shaft and reciprocating lever by link transmission, and reciprocating lever is arranged on supporting element, reciprocating lever end
End is equipped with collet, and grips have curve saw blade.
2. electric jig saw according to claim 1, characterized in that the Reciprocatory motor is using linear motor or voice coil electricity
Machine.
3. electric jig saw according to claim 1, characterized in that the reciprocating lever connects biography by master connecting-rod with telescopic shaft
It is dynamic；Corresponding master connecting-rod, reciprocating lever are equipped with the first connecting rod connecting with master connecting-rod, and the first connecting rod other end is connected with second connecting rod,
The second connecting rod other end is fixed on sweep-saw shell.
4. electric jig saw according to claim 3, characterized in that the resultant direction of first connecting rod and master connecting-rod to reciprocating lever
In the reciprocating lever direction of motion.
5. according to the electric jig saw of claim 3 or 4, characterized in that the master connecting-rod is connected using straight-bar connecting rod or arc
Bar.
6. electric jig saw according to claim 1, characterized in that the reciprocating lever is equipped at least one higher pair rolling element,
Higher pair rolling element is in contact with supporting element.
7. electric jig saw according to claim 6, characterized in that the higher pair rolling element is rolling bearing.
8. electric jig saw according to claim 1, characterized in that the telescopic shaft is equipped with supporting guide；The support is led
Rail uses any one in slotware cooperate with flexible axis shape, low-friction coefficient, pipe fitting and sliding bearing.
9. electric jig saw according to claim 1 or 6, characterized in that the supporting element be cooperate with reciprocal rod-shape,
Any one in the slotware of low-friction coefficient, pipe fitting and sliding bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820755514.1U CN208230978U (en) | 2018-05-21 | 2018-05-21 | Electric jig saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820755514.1U CN208230978U (en) | 2018-05-21 | 2018-05-21 | Electric jig saw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208230978U true CN208230978U (en) | 2018-12-14 |
Family
ID=64580077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820755514.1U Active CN208230978U (en) | 2018-05-21 | 2018-05-21 | Electric jig saw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208230978U (en) |
-
2018
- 2018-05-21 CN CN201820755514.1U patent/CN208230978U/en active Active
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