CN212285995U - Drilling center drill bit fixing device - Google Patents
Drilling center drill bit fixing device Download PDFInfo
- Publication number
- CN212285995U CN212285995U CN202020647552.2U CN202020647552U CN212285995U CN 212285995 U CN212285995 U CN 212285995U CN 202020647552 U CN202020647552 U CN 202020647552U CN 212285995 U CN212285995 U CN 212285995U
- Authority
- CN
- China
- Prior art keywords
- drill bit
- steel sleeve
- fixed block
- taper hole
- steel
- 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
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 37
- 239000010959 steel Substances 0.000 claims abstract description 37
- 239000002184 metal Substances 0.000 claims description 12
- 235000008331 Pinus X rigitaeda Nutrition 0.000 abstract description 3
- 235000011613 Pinus brutia Nutrition 0.000 abstract description 3
- 241000018646 Pinus brutia Species 0.000 abstract description 3
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- 125000003003 spiro group Chemical group 0.000 abstract description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The utility model discloses a drill bit fixing device for a drilling center, which comprises a fixing block, wherein the fixing block is rectangular, a taper hole is arranged in the fixed block, the inner diameter of the left end of the taper hole is larger than that of the right end of the taper hole, three threaded holes are arranged on the fixed block, the threaded hole is connected with a steel sleeve through threads, the utility model is provided with a fixed block, a taper hole is arranged inside the fixed block and used for inserting a drill bit, the inner diameter of the left end of the taper hole is larger than that of the right end, consequently, fixed drill bit that can be fine prevents the drill bit displacement, has seted up three spacing groove on the drill bit, and telescopic one end fixed connection of steel has a spacing head, can play the fixed action with the spacing groove joint, steel sleeve and screw hole spiro union, telescopic one end fixedly connected with ring baffle of steel, telescopic outside cover of steel has the spring, can prevent that steel sleeve pine from taking off.
Description
Technical Field
The utility model relates to a technical field is fixed to the drill bit, specifically is a drilling center drill bit fixing device.
Background
Before the drill bit is used, the fixing device is required to be used for fixing the drill bit, and the drill bit can be operated after the fixing is finished. To this end, we propose a drill center bit fixture.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a drilling center drill bit fixing device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a drilling center drill bit fixing device, includes the fixed block, the fixed block is rectangle, the taper hole has been seted up to the inside of fixed block, the left end internal diameter of taper hole is greater than the right-hand member internal diameter, three screw hole has been seted up on the fixed block, the screw hole has the steel sleeve through threaded connection, the telescopic one end fixed connection of steel has the spacing head, the inside of taper hole is equipped with the drill bit, three spacing groove has been seted up on the drill bit, the telescopic one end fixedly connected with ring baffle of steel, the telescopic outside cover of steel has the spring.
Preferably, the right upper side of the fixed block is provided with a rectangular mounting groove.
Preferably, a metal plug is arranged in the steel sleeve, and a limiting block is welded at one end of the metal plug.
Preferably, the outer side of the metal plug is provided with an annular convex part.
Preferably, the taper of the drill bit is the same as the taper of the taper hole.
Preferably, the steel sleeve has an inner diameter of 3-15 mm.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses have the fixed block, the taper hole has been seted up to the inside of fixed block, and the taper hole is used for the drill bit to insert, and the left end internal diameter of taper hole is greater than the right-hand member internal diameter, and consequently the fixed drill bit that can be fine prevents the drill bit displacement, has seted up three spacing groove on the drill bit, and telescopic one end fixed connection of steel has the spacing head, can play the fixed action with the spacing groove joint, steel sleeve and screw hole spiro union, telescopic one end fixedly connected with ring baffle of steel, telescopic outside cover of steel has the spring, can prevent that steel sleeve pine from taking off.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the metal stopper of the present invention;
fig. 3 is a schematic view of the taper hole structure of the present invention.
In the figure: 1. a fixed block; 2. a rectangular mounting groove; 3. a steel sleeve; 4. an annular baffle; 5. a metal plug; 6. a spring; 7. a limiting head; 8. a threaded hole; 9. a taper hole; 10. a limiting block; 11. an annular boss; 12. a drill bit; 13. a limiting groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a drilling center drill bit fixing device, includes fixed block 1, fixed block 1 is rectangle, taper hole 9 has been seted up to fixed block 1's inside, the left end internal diameter of taper hole 9 is greater than the right-hand member internal diameter, three screw hole 8 has been seted up on fixed block 1, screw hole 8 has steel sleeve 3 through threaded connection, the one end fixed connection of steel sleeve 3 has spacing head 7, the inside of taper hole 9 is equipped with drill bit 12, three spacing groove 13 has been seted up on drill bit 12, the one end fixedly connected with ring baffle 4 of steel sleeve 3, the outside cover of steel sleeve 3 has spring 6.
And the right upper side of the fixed block 1 is provided with a rectangular mounting groove 2.
The inside of steel sleeve 3 is equipped with metal stopper 5, the welding of the one end of metal stopper 5 has stopper 10.
The outside of metal stopper 5 is equipped with annular bellying 11, and inside steel sleeve 3 can be plugged in to metal stopper 5, prevents that steel sleeve 3 from loosening.
The taper of the drill bit 12 is the same as that of the taper hole 9.
The steel sleeve 3 has an internal diameter of 10 mm.
Specifically, during the use, this drilling center drill bit fixing device, have fixed block 1, taper hole 9 has been seted up to fixed block 1's inside, taper hole 9 is used for drill bit 12 to insert, the left end internal diameter of taper hole 9 is greater than the right-hand member internal diameter, consequently fixed drill bit 12 that can be fine, prevent drill bit 12 displacement, three spacing groove 13 has been seted up on the drill bit 12, steel sleeve 3's one end fixed connection has spacing head 7, can follow spacing groove 13 joint, play the fixed action, steel sleeve 3 and 8 spiro unions of screw hole, steel sleeve 3's one end fixedly connected with ring baffle 4, steel sleeve 3's outside cover has spring 6, can prevent that steel sleeve 3 pine from taking off.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a drilling center drill bit fixing device, includes fixed block (1), its characterized in that: fixed block (1) is rectangle, taper hole (9) have been seted up to the inside of fixed block (1), the left end internal diameter of taper hole (9) is greater than the right-hand member internal diameter, three screw hole (8) have been seted up on fixed block (1), screw hole (8) have steel sleeve (3) through threaded connection, the one end fixed connection of steel sleeve (3) has stopper (7), the inside of taper hole (9) is equipped with drill bit (12), three spacing groove (13) have been seted up on drill bit (12), the one end fixedly connected with ring baffle (4) of steel sleeve (3), the outside cover of steel sleeve (3) has spring (6).
2. A drill center bit fixture according to claim 1 wherein: the right upper side of the fixed block (1) is provided with a rectangular mounting groove (2).
3. A drill center bit fixture according to claim 1 wherein: the steel sleeve (3) is internally provided with a metal plug (5), and one end of the metal plug (5) is welded with a limiting block (10).
4. A drill center bit fixture according to claim 3 wherein: and an annular bulge (11) is arranged on the outer side of the metal plug (5).
5. A drill center bit fixture according to claim 1 wherein: the taper of the drill bit (12) is the same as that of the taper hole (9).
6. A drill center bit fixture according to claim 1 wherein: the inner diameter of the steel sleeve (3) is 3-15 mm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202020647552.2U CN212285995U (en) | 2020-04-26 | 2020-04-26 | Drilling center drill bit fixing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202020647552.2U CN212285995U (en) | 2020-04-26 | 2020-04-26 | Drilling center drill bit fixing device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN212285995U true CN212285995U (en) | 2021-01-05 |
Family
ID=73963530
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202020647552.2U Expired - Fee Related CN212285995U (en) | 2020-04-26 | 2020-04-26 | Drilling center drill bit fixing device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN212285995U (en) |
-
2020
- 2020-04-26 CN CN202020647552.2U patent/CN212285995U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210105 |