CN203197324U - Inclination drill bit - Google Patents

Inclination drill bit Download PDF

Info

Publication number
CN203197324U
CN203197324U CN 201320085252 CN201320085252U CN203197324U CN 203197324 U CN203197324 U CN 203197324U CN 201320085252 CN201320085252 CN 201320085252 CN 201320085252 U CN201320085252 U CN 201320085252U CN 203197324 U CN203197324 U CN 203197324U
Authority
CN
China
Prior art keywords
drill bit
inclination
tip
handle
knife
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
Application number
CN 201320085252
Other languages
Chinese (zh)
Inventor
马海善
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHANGZHOU HAILI TOOL Co Ltd
Original Assignee
CHANGZHOU HAILI TOOL Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by CHANGZHOU HAILI TOOL Co Ltd filed Critical CHANGZHOU HAILI TOOL Co Ltd
Priority to CN 201320085252 priority Critical patent/CN203197324U/en
Application granted granted Critical
Publication of CN203197324U publication Critical patent/CN203197324U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model belongs to the field of drilling tools and particularly relates to an inclination drill bit which comprises a tool handle. The tool handle is connected with a drilling machine. The inclination drill bit is characterized in that a drill bit part is arranged at the left end of the tool handle, the drill bit part comprises a tip part, a cone face part and a straight line part, a spiral chip discharging groove is formed in the drill bit part, and the included angle of the tip part is 135 degrees. The inclination drill bit is for a special hole, inclination machining on the inner wall of the hole can be completed at one time, machining accuracy is guaranteed, and machining speed is improved.

Description

The gradient drill bit
Technical field
The utility model belongs to the drilling cutters field, particularly a kind of gradient drill bit.
Background technology
Development along with economic society, the structure of present product also becomes increasingly complex, in order to satisfy the requirement of production and processing, people need to design various cutters, the inside in some hole need to process certain gradient, and the drilling drill bit of transmission can't be processed this, adopts the precision of artificial manual processing inadequate, and production efficiency is low, can't satisfy need of production.
The utility model content
The utility model has designed a kind of gradient drill bit of hole of special use for the deficiencies in the prior art, can once finish the gradient processing of the inwall in hole, guarantees machining accuracy and has improved processing speed.
The utility model is achieved through the following technical solutions:
The gradient drill bit, it comprises handle of a knife, handle of a knife is connected with drilling machine, it is characterized in that: the left end of described handle of a knife is provided with bit head, described bit head comprises top tip part, conical surface section and line part, is provided with helical flute on the bit head, and the angle of described top tip part is 135 °.
The conical surface of described conical surface section and the angle of line part are 10 °.
The utlity model has following advantage:
The utility model has designed the drill bit of the gradient of a kind of hole inwall, can once finish the processing of draft in the hole, has improved processing speed, and has guaranteed the precision of processing, has overcome conventional drill and can't process and inefficient defective low with manual machining accuracy.
Description of drawings
By the detailed description below in conjunction with accompanying drawing, aforesaid purpose, the feature and advantage with other of the utility model will become apparent.Wherein:
Figure 1 shows that structural representation of the present utility model;
1 is top tip part among the figure, and 2 is conical surface section, and 3 is line part, and 4 is handle of a knife, and 5 is helical flute.
The specific embodiment
Gradient drill bit as shown in Figure 1, it comprises handle of a knife 4, handle of a knife 4 is connected with drilling machine, it is characterized in that: the left end of described handle of a knife is provided with bit head, described bit head comprises top tip part 1, conical surface section 2 and line part 3, be provided with helical flute 5 on the bit head, the angle of described top tip part 1 is 135 °.
The conical surface of described conical surface section 2 and the angle of line part are 10 °.
The utlity model has following advantage:
The utility model has designed the drill bit of the gradient of a kind of hole inwall, can once finish the processing of draft in the hole, has improved processing speed, and has guaranteed the precision of processing, has overcome conventional drill and can't process and inefficient defective low with manual machining accuracy.
The utility model is not limited to described embodiment; those skilled in the art is not breaking away from spirit of the present utility model namely openly in the scope; still can do some corrections or change, therefore rights protection scope of the present utility model is as the criterion with claims restricted portion.

Claims (2)

1. gradient drill bit, it comprises handle of a knife, handle of a knife is connected with drilling machine, it is characterized in that: the left end of described handle of a knife is provided with bit head, described bit head comprises top tip part, conical surface section and line part, is provided with helical flute on the bit head, and the angle of described top tip part is 135 °.
2. gradient drill bit according to claim 1 is characterized in that: the conical surface of described conical surface section and the angle of line part are 10 °.
CN 201320085252 2013-02-25 2013-02-25 Inclination drill bit Expired - Fee Related CN203197324U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320085252 CN203197324U (en) 2013-02-25 2013-02-25 Inclination drill bit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320085252 CN203197324U (en) 2013-02-25 2013-02-25 Inclination drill bit

Publications (1)

Publication Number Publication Date
CN203197324U true CN203197324U (en) 2013-09-18

Family

ID=49141464

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201320085252 Expired - Fee Related CN203197324U (en) 2013-02-25 2013-02-25 Inclination drill bit

Country Status (1)

Country Link
CN (1) CN203197324U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106077736A (en) * 2016-07-15 2016-11-09 吴江明凯金属制品有限公司 Five metals drilling machine for machining in high precision

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106077736A (en) * 2016-07-15 2016-11-09 吴江明凯金属制品有限公司 Five metals drilling machine for machining in high precision

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Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130918

Termination date: 20140225

C17 Cessation of patent right