CN207139038U - A kind of screw tap head for being easy to drilling - Google Patents
A kind of screw tap head for being easy to drilling Download PDFInfo
- Publication number
- CN207139038U CN207139038U CN201720875017.0U CN201720875017U CN207139038U CN 207139038 U CN207139038 U CN 207139038U CN 201720875017 U CN201720875017 U CN 201720875017U CN 207139038 U CN207139038 U CN 207139038U
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- easy
- screw tap
- shank
- tap head
- expansion link
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Abstract
The utility model discloses a kind of screw tap head for being easy to drilling, including shank, mounting post is welded with the top of the shank, the bottom integral type of the shank is provided with silk sword, and the bottom of the silk sword is provided with drill bit, and the surface upper end of the shank is installed with rolling bearing, the outer peripheral surface of the rolling bearing is welded with installing plate, the bottom of the installing plate is installed with expansion link, and the bottom of the expansion link is fixedly connected with pressing plate, and the middle part of the installing plate and pressing plate is equipped with opening.The apparatus structure designs advantages of simple, easy to operate, is easy to boring positioning, prevents conehead from fractureing, be easy to drill, safety and stability is applied widely, is advantageous to popularize.
Description
Technical field
The utility model belongs to tap technology field, and in particular to a kind of screw tap head for being easy to drilling.
Background technology
Screw tap is a kind of cutter of machining internal thread, can be divided into spiral tap and straight sword screw tap according to shape, according to making
It can be divided into set tap and machine tap with environment, can be divided into metric system according to specification, it is made in U.S.A, and screw tap made in Great Britain, according to production
Ground can be divided into import screw tap and domestic screw tap.Screw tap is the main instrument that manufacturing industry operator processes screw thread.It is but existing
Conehead easily rocks when being carried out out thread using screw tap in technology, is unfavorable for drilling, and influences to start efficiency, is unfavorable for
Widely popularize.
Utility model content
The purpose of this utility model is to provide a kind of screw tap head for being easy to drilling, to solve to propose in above-mentioned background technology
The problem of.
To achieve the above object, the utility model provides following technical scheme：A kind of screw tap head for being easy to drilling, including handle
Bar, mounting post is welded with the top of the shank, the bottom integral type of the shank is provided with silk sword, and the bottom of the silk sword is provided with
Drill bit, the surface upper end of the shank are installed with rolling bearing, and the outer peripheral surface of the rolling bearing is welded with installing plate,
The bottom of the installing plate is installed with expansion link, and the bottom of the expansion link is fixedly connected with pressing plate, the installing plate and
The middle part of pressing plate is equipped with opening.
Preferably, the surface of the shank has sprayed epoxy resin etch resistant layer.
Preferably, the mounting post is six prisms, and the upper end of mounting post is provided with spacing hole.
Preferably, the expansion link is angularly at least provided with six groups, and the surface of expansion link is cased with return spring.
Preferably, the bottom of the pressing plate is pasted with rubber sheet gasket, and the bottom of rubber sheet gasket is provided with anti-skid bulge.
Preferably, the surface of the silk sword is angularly at least provided with three groups of convex waste recovery grooves.
Technique effect of the present utility model and advantage：This is easy to the screw tap head of drilling, structure design advantages of simple, operation side
Just, it is easy to boring positioning, prevents conehead from fractureing, be easy to drill, safety and stability is applied widely, is advantageous to popularize.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is sectional view of the present utility model；
Fig. 3 is the structural representation of the utility model installing plate.
In figure：1 shank, 2 mounting posts 2,3 rolling bearings, 4 installing plates, 5 expansion links, 6 pressing plates, 7 openings, 8 swords, 9 are bored
Head.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
The utility model provides a kind of screw tap head for being easy to drilling as Figure 1-3, including shank 1, the shank 1
Surface sprayed epoxy resin etch resistant layer, the top of the shank 1 is welded with mounting post 2, and the mounting post 2 is six ribs
Post, and the upper end of mounting post 2 is provided with spacing hole, the bottom integral type of the shank 1 is provided with silk sword 8, and the bottom of the silk sword 8 is set
There is drill bit 9, the surface of the silk sword 8 is angularly at least provided with three groups of convex waste recovery grooves, the surface upper end of the shank 1
Rolling bearing 3 is installed with, the outer peripheral surface of the rolling bearing 3 is welded with installing plate 4, and the bottom of the installing plate 4 is consolidated
Dingan County is equipped with expansion link 5, and the bottom of the expansion link 5 is fixedly connected with pressing plate 6, and the bottom of the pressing plate 6 is pasted with rubber blanket
Piece, and the bottom of rubber sheet gasket is provided with anti-skid bulge, the expansion link 5 is angularly at least provided with six groups, and the surface of expansion link 5
Return spring is cased with, the middle part of the installing plate 4 and pressing plate 6 is equipped with opening 7.
This is easy to the screw tap head of drilling, and structure design advantages of simple is easy to operate, can be in order to by drill bit 9 and pressing plate 6
Boring positioning, while can also prevent conehead from fractureing, it is easy to drill, mounting post 2 can be in order to the installation and fixation of screw tap head, safety
It is stable, it is applied widely, be advantageous to popularize.
Finally it should be noted that：Preferred embodiment of the present utility model is the foregoing is only, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it can still modify to the technical scheme described in foregoing embodiments, or to which part technical characteristic
Progress equivalent substitution, all within the spirit and principles of the utility model, any modification, equivalent substitution and improvements made etc.,
It should be included within the scope of protection of the utility model.
Claims (6)
1. a kind of screw tap head for being easy to drilling, including shank (1), it is characterised in that：Installation is welded with the top of the shank (1)
Post (2), the bottom integral type of the shank (1) are provided with silk sword (8), and the bottom of the silk sword (8) is provided with drill bit (9), the handle
The surface upper end of bar (1) is installed with rolling bearing (3), and the outer peripheral surface of the rolling bearing (3) is welded with installing plate
(4), the bottom of the installing plate (4) is installed with expansion link (5), and the bottom of the expansion link (5) is fixedly connected with pressing plate
(6), the middle part of the installing plate (4) and pressing plate (6) is equipped with opening (7).
A kind of 2. screw tap head for being easy to drilling according to claim 1, it is characterised in that：The surface spray of the shank (1)
It is covered with epoxy resin etch resistant layer.
A kind of 3. screw tap head for being easy to drilling according to claim 1, it is characterised in that：The mounting post (2) is six ribs
Post, and the upper end of mounting post (2) is provided with spacing hole.
A kind of 4. screw tap head for being easy to drilling according to claim 1, it is characterised in that：The expansion link (5) is angularly
At least provided with six groups, and the surface of expansion link (5) is cased with return spring.
A kind of 5. screw tap head for being easy to drilling according to claim 1, it is characterised in that：Glue the bottom of the pressing plate (6)
Rubber sheet gasket is posted, and the bottom of rubber sheet gasket is provided with anti-skid bulge.
A kind of 6. screw tap head for being easy to drilling according to claim 1, it is characterised in that：Surface of the silk sword (8) etc.
Angle is at least provided with three groups of convex waste recovery grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720875017.0U CN207139038U (en) | 2017-07-19 | 2017-07-19 | A kind of screw tap head for being easy to drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720875017.0U CN207139038U (en) | 2017-07-19 | 2017-07-19 | A kind of screw tap head for being easy to drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207139038U true CN207139038U (en) | 2018-03-27 |
Family
ID=61675898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720875017.0U Active CN207139038U (en) | 2017-07-19 | 2017-07-19 | A kind of screw tap head for being easy to drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207139038U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110202220A (en) * | 2019-06-28 | 2019-09-06 | 徐州兴隆工具科技股份有限公司 | A kind of Multifunctional screw tap integrating tapping with the screw tap disassembly that fractures |
-
2017
- 2017-07-19 CN CN201720875017.0U patent/CN207139038U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110202220A (en) * | 2019-06-28 | 2019-09-06 | 徐州兴隆工具科技股份有限公司 | A kind of Multifunctional screw tap integrating tapping with the screw tap disassembly that fractures |
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| GR01 | Patent grant |