CN105889302A - Electric saw connecting shaft - Google Patents
Electric saw connecting shaft Download PDFInfo
- Publication number
- CN105889302A CN105889302A CN201410623574.4A CN201410623574A CN105889302A CN 105889302 A CN105889302 A CN 105889302A CN 201410623574 A CN201410623574 A CN 201410623574A CN 105889302 A CN105889302 A CN 105889302A
- Authority
- CN
- China
- Prior art keywords
- rod
- connecting rod
- electric saw
- connecting shaft
- polished rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The invention provides an electric saw connecting shaft comprising a first connecting rod, a first polished rod, a second connecting rod, a second polished rod, a third polished rod and a third connecting rod which are connected successively; the first connecting rod is provided with an external spline; the end part of the first connecting rod is provided with a threaded hole; both ends of the side wall of the second connecting rod are provided with knurlings, and key slots are arranged between the two knurlings; the side wall of the third connecting rod is provided with an external thread. The electric saw connecting shaft has the advantages of good mechanical properties, high strength, and good anti-twisting ability; and the assembly is convenient and fast, the assembly precision is improved, and the operation stability is improved.
Description
Technical field
The present invention relates to a kind of electric saw, particularly to a kind of electric saw connecting shaft.
Background technology
Traditional electric saw connecting shaft bad mechanical property, fluctuation of service, and inconvenience, assembly precision are installed
Low.
Summary of the invention
[1] to solve the technical problem that
The technical problem to be solved in the present invention is to provide a kind of good mechanical property, stable and installation side
Just electric saw connecting shaft.
[2] technical scheme of problem is solved
The present invention provides a kind of electric saw connecting shaft, including head rod the 1, first light being sequentially connected with
Bar the 2, second connecting rod the 3, second polished rod the 4, the 3rd polished rod 5 and the 3rd connecting rod 6, described first
Connecting rod is provided with external splines, and the end face of described head rod 1 offers screwed hole, and described second
The sidewall two ends rolled with annular knurl of connecting rod 3, is provided with keyway 33 between annular knurl described in two, the described 3rd even
The sidewall of extension bar 6 is provided with external screw thread.
Further, described first polished rod 2 is identical with the diameter of described 3rd polished rod 5.
Further, described keyway 33 is flat key keyway, and the both ends of the surface of described flat key keyway are circular arc
Face.
Further, described annular knurl is hatching knurling.
Further, described second connecting rod 3 and the junction of described second polished rod 4 are provided with annular recessed
Groove.
[3] beneficial effect
Electric saw connecting shaft of the present invention, good mechanical property, intensity is high, anti-twisting property is good；And it is easy to assembly
Fast, improve assembly precision, improve running stability.
Accompanying drawing explanation
Fig. 1 is the structural representation of electric saw connecting shaft of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings, the embodiment of the present invention is discussed in detail.
Refering to Fig. 1, the present invention provides a kind of electric saw connecting shaft, including the head rod 1 being sequentially connected with,
First polished rod the 2, second connecting rod the 3, second polished rod the 4, the 3rd polished rod 5 and the 3rd connecting rod 6, the
One polished rod 2 is identical with the diameter of described 3rd polished rod 5, is provided with external splines on head rod, with
Time offer screwed hole at the end face of head rod 1, all roll at the sidewall two ends of the second connecting rod 3
Having annular knurl, be hatching knurling, be provided with keyway 33 between two annular knurls in the present embodiment, this keyway 33 is
Flat key keyway, and (up and down) both ends of the surface of this flat key keyway are arc surface, it is also possible to for inclined-plane；For
Raising assembly precision, the junction of the second connecting rod 3 and the second polished rod 4 is provided with annular groove；For
Being easy to fix, the sidewall in the 3rd connecting rod 6 is provided with external screw thread.
Electric saw connecting shaft of the present invention, good mechanical property, intensity is high, anti-twisting property is high；And it is easy to assembly
Fast, improve assembly precision, improve running stability.
Claims (5)
1. an electric saw connecting shaft, it is characterised in that: include the head rod being sequentially connected with
(1), the first polished rod (2), the second connecting rod (3), the second polished rod (4), the 3rd polished rod (5)
With the 3rd connecting rod (6), described head rod is provided with external splines, described head rod
(1) end face offers screwed hole, the sidewall two ends rolled with rolling of described second connecting rod (3)
Flower, is provided with keyway (33) between annular knurl described in two, the sidewall of described 3rd connecting rod (6) sets
There is external screw thread.
2. electric saw connecting shaft as claimed in claim 1, it is characterised in that: described first light
Bar (2) is identical with the diameter of described 3rd polished rod (5).
3. electric saw connecting shaft as claimed in claim 1, it is characterised in that: described keyway (33)
For flat key keyway, and the both ends of the surface of described flat key keyway are arc surface.
4. electric saw connecting shaft as claimed in claim 1, it is characterised in that: described annular knurl is
Hatching knurling.
5. the electric saw connecting shaft as described in any one of Claims 1-4, it is characterised in that:
Described second connecting rod (3) is provided with annular groove with the junction of described second polished rod (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410623574.4A CN105889302A (en) | 2014-11-07 | 2014-11-07 | Electric saw connecting shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410623574.4A CN105889302A (en) | 2014-11-07 | 2014-11-07 | Electric saw connecting shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105889302A true CN105889302A (en) | 2016-08-24 |
Family
ID=56697985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410623574.4A Pending CN105889302A (en) | 2014-11-07 | 2014-11-07 | Electric saw connecting shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105889302A (en) |
-
2014
- 2014-11-07 CN CN201410623574.4A patent/CN105889302A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160824 |
|
| WD01 | Invention patent application deemed withdrawn after publication | ||
| DD01 | Delivery of document by public notice |
Addressee: Chou Hongfei Document name: Notification that Application Deemed to be Withdrawn |
|
| DD01 | Delivery of document by public notice |