CN2328460Y - Circular hole saw head - Google Patents
Circular hole saw head Download PDFInfo
- Publication number
- CN2328460Y CN2328460Y CN 98226864 CN98226864U CN2328460Y CN 2328460 Y CN2328460 Y CN 2328460Y CN 98226864 CN98226864 CN 98226864 CN 98226864 U CN98226864 U CN 98226864U CN 2328460 Y CN2328460 Y CN 2328460Y
- Authority
- CN
- China
- Prior art keywords
- circular
- saw blade
- saw
- saw bit
- utility
- 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.)
- Expired - Fee Related
Links
- 230000037431 insertion Effects 0.000 claims 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The utility model provides a round hole saw head comprises circular chassis, circle saw bit and drill bit, the utility model discloses improved the saw bit profile of tooth of current round hole saw head, made V style of calligraphy control separately, frictional resistance between reducible circle saw bit and the work piece during the use is difficult for taking place the dead phenomenon of saw bit card, can prolong saw bit life to can improve work efficiency.
Description
The utility model belongs to a kind of instrument of opening than big hole.
Have the saw head that is used for out than big hole now, form by circular base plate and the drill bit that is inserted in the Circular saw blade on the chassis and passes the center chassis hole, the sawtooth of its Circular saw blade is the in-line straight-tooth, frictional resistance during use between Circular saw blade and work piece makes saw blade stuck more greatly and easily, cause the saw blade distortion, influence service life, reduce operating efficiency.
The purpose of this utility model provides a kind of new Round hole saw head, can reduce the frictional resistance between Circular saw blade and work piece during use, and the saw blade stuck phenomenon be difficult for to take place, and can prolong saw blade service life, and can increase work efficiency.
Round hole saw head provided by the utility model comprises that the center has a circular hole (2), circular hole (2) that the circular base plate (1) of several circular trough (3) is set and inserts the Circular saw blade (4) of going up circular trough (3) in chassis (1) and the drill bit (5) that inserts chassis (1) center hole (2) on every side, it is characterized in that sawtooth (6) on the Circular saw blade (4) is V-shape and divides right and left.
The utility model is contained on electric drill or the bench drill and can uses, because the sawtooth (6) on its Circular saw blade (4) is V-shape and divides right and left, the left and right sides width of sawtooth (6) is greater than the thickness of Circular saw blade (4), just greater than the thickness of saw blade (4), saw blade (4) has had the space when turning round to the circle groove of sawing out in the circle groove of sawing out, and the chip of sawing out flies out easily, rotation easily, be difficult for stuck saw blade (4), operating efficiency improves, and saw blade (4) prolongs service life.
When the utility model uses, can be according to the required selected Circular saw blade (4) of size of opening circular hole, inserting chassis (1) goes up in the corresponding circular trough (3), during drill bit (5) in fixed underpan (1) center hole (2), should make drill bit (5) head slightly surpass the sawtooth (6) of Circular saw blade (4), with screw (7) fixed drill bit (5), it is contained on electric drill or the bench drill then, drill bit (5) is aimed at the required center of circle of opening circular hole, starts electric drill or bench drill, can finish out the work of circular hole.
Fig. 1, Fig. 2 are schematic diagrames of the present utility model.
1 is circular base plate among the figure, and 2 is the center hole of chassis (1), and 3 is the circular trough on the chassis (1), and 4 is Circular saw blade, and 5 is drill bit, and 6 is the V-shape sawtooth on the saw blade (4), and 7 is screw.
The sawtooth of implementing the utility model and only need to have now the Circular saw blade of Round hole saw head is made V-shape and is divided right and left, and the chassis adopts the fine aluminum alloy die cast to form, and sandblast and anodized are taked in dish body surface.
Claims (1)
1, a kind of Round hole saw head, comprise that the center has circular hole, circular is provided with the circular base plate of several circular trough and inserts the Circular saw blade of circular trough on the chassis and the drill bit of insertion center chassis circular hole, the sawtooth of its feature on Circular saw blade is V-shape and divides right and left.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98226864 CN2328460Y (en) | 1998-05-22 | 1998-05-22 | Circular hole saw head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98226864 CN2328460Y (en) | 1998-05-22 | 1998-05-22 | Circular hole saw head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2328460Y true CN2328460Y (en) | 1999-07-14 |
Family
ID=33977293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98226864 Expired - Fee Related CN2328460Y (en) | 1998-05-22 | 1998-05-22 | Circular hole saw head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2328460Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102554322A (en) * | 2010-10-14 | 2012-07-11 | 创科电动工具科技有限公司 | Cutting tool |
-
1998
- 1998-05-22 CN CN 98226864 patent/CN2328460Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102554322A (en) * | 2010-10-14 | 2012-07-11 | 创科电动工具科技有限公司 | Cutting tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |