CN204413233U - A kind of simple and easy drill bit extending structure - Google Patents
A kind of simple and easy drill bit extending structure Download PDFInfo
- Publication number
- CN204413233U CN204413233U CN201420848416.4U CN201420848416U CN204413233U CN 204413233 U CN204413233 U CN 204413233U CN 201420848416 U CN201420848416 U CN 201420848416U CN 204413233 U CN204413233 U CN 204413233U
- Authority
- CN
- China
- Prior art keywords
- drill bit
- extension rod
- extending structure
- easy
- diameter
- 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.)
- Active
Links
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model relates to a kind of simple and easy drill bit extending structure, comprises extension rod and be located at the drill bit that extension rod point diameter is Φ 6mm, and the diameter that the drillstock of described drill bit is inserted in extension rod leading section is in the installing hole of Φ 6mm.This simple and easy drill bit extending structure can meet the process requirements of this steam vent, can not occur dry and astringent with workpiece, and wear-resisting, not yielding, and ensure rigidity required in boring procedure, long service life, input cost is low.
Description
Technical field
The utility model relates to a kind of simple and easy drill bit extending structure.
Background technology
As shown in Figure 2, on engine water pump 7 outside cylinder arc surface, diameter is that Φ 6mm steam vent 8 is designed to be close to foundry goods end face, itself and foundry goods end distance are from being no more than 5.5mm, general cutter is used to process, must be the drill bit of 160mm by length, and the drill bit cost of Φ 6*160mm needs RMB1000 unit, simultaneously Working position be foundry goods arc surface easily cause cutter beat and hole tiltedly biased.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of low cost of manufacture, simple and easy drill bit extending structure easy to use.
The utility model adopts following scheme to realize: a kind of simple and easy drill bit extending structure, comprises extension rod and be located at the drill bit that extension rod point diameter is Φ 6mm, and the diameter that the drillstock of described drill bit is inserted in extension rod leading section is in the installing hole of Φ 6mm.
Further, the diameter of described extension rod is Φ 10mm, and extension rod front end sidepiece radially offers the screwed hole communicated with installing hole inner chamber, is connected with holding screw in described screwed hole.
Further, the drillstock of described drill bit offers with described screwed hole corresponding position the locating slot matched with holding screw.
Compared with prior art, the utility model has following beneficial effect: this simple and easy drill bit extending structure can meet the process requirements of this steam vent, can not occur dry and astringent with workpiece, and it is not wear-resisting, yielding, ensure rigidity required in boring procedure, long service life, input cost is low.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment organigram;
Fig. 2 is engine water pump top view;
Number in the figure illustrates: 1-drill bit, 2-extension rod, 3-installing hole, 4-screwed hole, 5-holding screw, 6-locating slot, 7-engine water pump, 8-steam vent.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearly understand, below by specific embodiment and relevant drawings, the utility model will be described in further detail.
As shown in Figure 1, a kind of simple and easy drill bit extending structure, comprise extension rod 2 and be located at the drill bit 1 that extension rod 2 point diameter is Φ 6mm, drill bit 1 uses wolfram steel, and the diameter that the drillstock of described drill bit 1 is inserted in extension rod 2 leading section is in the installing hole 3 of Φ 6mm.
In the present embodiment, described extension rod 2 uses high-speed steel, and diameter be Φ 10mm, can not occur dry and astringent with workpiece, and wear-resisting, not yielding, ensure rigidity required in boring procedure, long service life, input cost is low.Extension rod 2 front end sidepiece radially offers the screwed hole 4 communicated with installing hole 3 inner chamber, is connected with holding screw 5 in described screwed hole 4, and the diameter of screwed hole 4 is Φ 3.3mm.
In the present embodiment, the drillstock of described drill bit 1 offers with described screwed hole 4 corresponding position the locating slot 6 matched with holding screw 5, and holding screw 5 blocks locating slot, prevents from relatively rotating between drill bit 1 and extension rod 2.
Above-listed preferred embodiment; the purpose of this utility model, technical scheme and advantage are further described; be understood that; the foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (3)
1. a simple and easy drill bit extending structure, is characterized in that: comprise extension rod and be located at the drill bit that extension rod point diameter is Φ 6mm, and the diameter that the drillstock of described drill bit is inserted in extension rod leading section is in the installing hole of Φ 6m m.
2. simple and easy drill bit extending structure according to claim 1, is characterized in that: the diameter of described extension rod is Φ 10mm, and extension rod front end sidepiece radially offers the screwed hole communicated with installing hole inner chamber, is connected with holding screw in described screwed hole.
3. simple and easy drill bit extending structure according to claim 2, is characterized in that: the drillstock of described drill bit offers with described screwed hole corresponding position the locating slot matched with holding screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420848416.4U CN204413233U (en) | 2014-12-29 | 2014-12-29 | A kind of simple and easy drill bit extending structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420848416.4U CN204413233U (en) | 2014-12-29 | 2014-12-29 | A kind of simple and easy drill bit extending structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204413233U true CN204413233U (en) | 2015-06-24 |
Family
ID=53463639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420848416.4U Active CN204413233U (en) | 2014-12-29 | 2014-12-29 | A kind of simple and easy drill bit extending structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204413233U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110116438A (en) * | 2019-03-20 | 2019-08-13 | 合肥壹点通信息科技有限公司 | A kind of multi-functional electric tools |
-
2014
- 2014-12-29 CN CN201420848416.4U patent/CN204413233U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110116438A (en) * | 2019-03-20 | 2019-08-13 | 合肥壹点通信息科技有限公司 | A kind of multi-functional electric tools |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203253977U (en) | Drill bit with adjustable drill hole external diameters | |
| CN204603400U (en) | A kind of combined drill rod | |
| CN204413233U (en) | A kind of simple and easy drill bit extending structure | |
| CN203253976U (en) | Detachable drill bit | |
| CN103418810A (en) | Combined drill bit | |
| CN204249010U (en) | A kind of hand-held cast-cutting saw | |
| CN204036397U (en) | The structure of a kind of Fast Installation and dismounting nail pipe | |
| CN203076664U (en) | Twist drill with hole depth locating function | |
| CN203956718U (en) | Knife sharpener planker | |
| CN202845878U (en) | Radial drilling machine cutter row | |
| CN204113107U (en) | Unit head card slot type fixed mechanism | |
| CN203610737U (en) | Multistage drill bit | |
| CN204867559U (en) | Use special milling cutter drill bit of convenient quick type processing curved surface | |
| CN204450779U (en) | Carpenter is with holes adds jumping chisel | |
| CN203738105U (en) | Milling machine cutting tool with overload protection function | |
| CN203751856U (en) | Inner hole grinding and positioning device of front cylinder body of novel hydraulic breaking hammer | |
| CN204094183U (en) | Engine lathe tailstock oil pressure drilling equipment | |
| CN203253975U (en) | Universal type drilling device | |
| CN203649445U (en) | Fixture for boring chain link | |
| CN204657568U (en) | A kind of extended type steel plate special hollow drill bit of raising the efficiency | |
| CN204108333U (en) | A kind of edge of a knife seat of modified node method | |
| CN204505126U (en) | A kind of adjustable screw cutter | |
| CN204247992U (en) | Telescopic boring bar | |
| CN203092449U (en) | Quick-dismantling tool rod for sleeve in machine tool spindle | |
| CN204052967U (en) | A kind of turning flute profile groove spreading blade row |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |