CN202479566U - Antiskid drill bit - Google Patents
Antiskid drill bit Download PDFInfo
- Publication number
- CN202479566U CN202479566U CN2012201109652U CN201220110965U CN202479566U CN 202479566 U CN202479566 U CN 202479566U CN 2012201109652 U CN2012201109652 U CN 2012201109652U CN 201220110965 U CN201220110965 U CN 201220110965U CN 202479566 U CN202479566 U CN 202479566U
- Authority
- CN
- China
- Prior art keywords
- drill bit
- antiskid
- connection handle
- skidding
- connection shank
- 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
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Abstract
The utility model discloses an antiskid drill bit, and relates to a rotary cutting or drilling and chambering tool. The antiskid drill bit consists of a working part and a connection shank, wherein the connection shank is cylindrical; and an antiskid bulge is formed on the connection shank. During use, the connection shank of the antiskid drill bit is inserted into three clamping claws of a drilling chuck and fixed; the antiskid bulge is formed between any two of the clamping claws and attached to the side surface of one clamping claw; a drilling machine works to drive the drilling chuck and drive the drill bit to rotate to machine a workpiece; the drill bit and the drilling chuck cannot relatively rotate because of sliding, so the quality of the machined workpiece is high, and the efficiency is high; the connection shank is cylindrical, and the connection shank and a working part are high in coaxiality, so that the drill bit is easy to manufacture; the quality of the machined workpiece is high; and the drill bit is not easily broken and long in service life. Due to the structure, the antiskid drill bit is applicable to rotary cutting tools, such as a screw tap, a reamer and a milling cutter.
Description
Technical field
The utility model relates to rotary cutting or boring reaming tool, says it is a kind of anti-skidding drill bit of skidding between drill chuck and the drill bit of preventing in detail.
Background technology
We know; Drill bit is to go out through hole or blind hole in order to drilling on solid material; And the cutter that can carry out reaming to existing hole, drill bit commonly used mainly contains fluted drill, chit drill, centre drill, depth drill and cylindrical drill etc., and existing drill bit is made up of operate portions and connection handle; The connection handle that adds the drill bit in man-hour inserts in three claws that can move with one heart of drill chuck and is fixedly clamped, and rig work drives drill chuck, the rotation of drive drill bit is processed workpiece.At present the form of the connection handle of drill bit has two kinds of round shank and many prismatics handles; Round shank exists three claws of drill chuck to its clamping and positioning weak effect shortcoming, runs into that workpiece hardness is big, when frictional force is big between drill bit and workpiece, skids between drill bit and the drill chuck; Not only wearing and tearing each other between drill bit and drill chuck; Also caused the rotating speed of actual speed and setting not meet, crudy descends, and efficient reduces.And the shortcoming that many prismatics handle exists connection handle and working portion axiality to be difficult to guarantee, the processing and manufacturing difficulty of drill bit is big, and connection handle and working portion axiality be low can to cause the workpiece quality difference even the breaking of rod that process.
Summary of the invention
The purpose of the utility model is the deficiency that solves above-mentioned prior art, provides between a kind of drill bit and the drill chuck and relative slip can not take place, and connection handle and working portion axiality are high, the anti-skidding drill bit that the processing and manufacturing difficulty of drill bit is low.
The technical scheme that deficiency adopted that the utility model solves above-mentioned prior art is:
A kind of anti-skidding drill bit is made up of operate portions and connection handle, it is characterized in that connection handle is cylindrical, and connection handle is provided with anti-skidding convexity.
Anti-skidding convexity can be processed one with connection handle in the utility model.
Anti-skidding convexity described in the utility model also can be on connection handle, to be provided with screw, is connected with bolt in the screw.The part of bolt outside screw plays the effect of anti-skidding convexity.
Anti-skidding convexity described in the utility model can also be on connection handle, to be provided with pin-and-hole, is plugged with pin in the pin-and-hole.The part of pin outside pin-and-hole plays the effect of anti-skidding convexity.
During use; The connection handle of the utility model is inserted in three claws of drill chuck and be fixedly clamped; Anti-skidding protruding place between any two claws and with recline mutually with a claw side, rig work drives drill chuck, drive the drill bit rotation adds man-hour to workpiece, can not skid between drill bit and the drill chuck and relatively rotates; Avoided wearing and tearing each other between drill bit and drill chuck, the quality of processing work is high, efficient is high; Because connection handle is cylindrical, connection handle and operate portions axiality are high, and the processing and fabricating of drill bit is easy, and the workpiece quality that processes is high, and drill bit is easy fracture not, long service life.The structure of the utility model is equally applicable to the instrument of rotary cuttings such as screw tap, reamer and milling cutter.
Description of drawings
Fig. 1 is a kind of structural representation of the utility model.
The specific embodiment
Anti-skidding drill bit as shown in the figure is made up of operate portions 1 and connection handle 3, and connection handle 3 is cylindrical, and connection handle is provided with anti-skidding protruding 2.Anti-skidding protruding 2 can process one with connection handle; Anti-skidding convexity also can be on connection handle, to be provided with screw, is connected with bolt in the screw, and the part of bolt outside screw plays the effect of anti-skidding convexity; Anti-skidding convexity can also be on connection handle, to be provided with pin-and-hole, is plugged with pin in the pin-and-hole, and the part of pin outside pin-and-hole plays the effect of anti-skidding convexity.During use; The connection handle of the utility model is inserted in three claws of drill chuck and be fixedly clamped; Anti-skidding convexity place between any two claws and with recline mutually with a claw side, rig work drives drill chuck, drive the drill bit rotation adds man-hour to workpiece, can not skid between drill bit and the drill chuck and relatively rotates; Avoided wearing and tearing each other between drill bit and drill chuck, the quality of processing work is high, efficient is high; Because connection handle is cylindrical, connection handle and operate portions axiality are high, and the processing and fabricating of drill bit is easy, and the workpiece quality that processes is high, and drill bit is easy fracture not, long service life.The structure of the utility model is equally applicable to the instrument of rotary cuttings such as screw tap, reamer and milling cutter.
Claims (4)
1. an anti-skidding drill bit is made up of operate portions and connection handle, it is characterized in that connection handle is cylindrical, and connection handle is provided with anti-skidding convexity.
2. anti-skidding drill bit according to claim 1 is characterized in that described anti-skidding convexity and connection handle process one.
3. anti-skidding drill bit according to claim 1 is characterized in that described anti-skidding convexity is on connection handle, to be provided with screw, is connected with bolt in the screw.
4. anti-skidding drill bit according to claim 1 is characterized in that described anti-skidding convexity is on connection handle, to be provided with pin-and-hole, is plugged with pin in the pin-and-hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201109652U CN202479566U (en) | 2012-03-22 | 2012-03-22 | Antiskid drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201109652U CN202479566U (en) | 2012-03-22 | 2012-03-22 | Antiskid drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202479566U true CN202479566U (en) | 2012-10-10 |
Family
ID=46954027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201109652U Expired - Fee Related CN202479566U (en) | 2012-03-22 | 2012-03-22 | Antiskid drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202479566U (en) |
-
2012
- 2012-03-22 CN CN2012201109652U patent/CN202479566U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121010 Termination date: 20140322 |