CN208437721U - A kind of transparent cover bolt hole machined Special drill bushing - Google Patents
A kind of transparent cover bolt hole machined Special drill bushing Download PDFInfo
- Publication number
- CN208437721U CN208437721U CN201820659707.7U CN201820659707U CN208437721U CN 208437721 U CN208437721 U CN 208437721U CN 201820659707 U CN201820659707 U CN 201820659707U CN 208437721 U CN208437721 U CN 208437721U
- Authority
- CN
- China
- Prior art keywords
- fixing sleeve
- lower fixing
- drill bushing
- groove
- transparent cover
- 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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- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The utility model discloses a kind of transparent cover bolt hole machined Special drill bushings, its structure includes upper fixing sleeve, lower fixing sleeve and pedestal, the fixed upside for being sheathed on lower fixing sleeve, the bottom of fixed set is provided with convex block, the lower surface two sides of the convex block are provided with mosaic block, the top of the lower fixing sleeve is provided with groove, and the two sides of the groove are equipped with embedding groove, are connected by way of inlaying between the convex block and groove, mosaic block and embedding groove；The junction of fixed set and lower fixing sleeve is provided with mounting groove, and installation is equipped with bearing in the mounting groove.Drill bushing is made up of three parts; bearing is provided at the middle part of drill bushing; when drill bit is tilted to side when using drill bushing; bearing can follow drill bit to rotate; prevent bit damage caused by after drill bit surprisingly tilts; certain protecting effect is also played to drill bushing simultaneously, reduces use cost.
Description
Technical field
The utility model relates to hardware tool technical field, specially a kind of transparent cover bolt hole machined Special drill bushing.
Background technique
The also known as fixed drill bushing of drill bushing, is primarily used to determine the axis position that drill bit, reamer, reamer etc. determine sized knife
It sets, the structure snd size of drill bushing are normalized.According to handling characteristics, drill bushing has fixed drill bushing, renewable bushing, Quick-change drill bush
With four kinds of patterns of special drill bushing.And drill bushing is bumped on bushing plate using " interference fit ", the meaning of drill bushing is that he can be with
Positioning and guidance cutter are processed, to improve the precision of processing.
Current existing drill bushing is integrally formed, when using bit bore, if when drill bit run-off the straight, bored
Head touches the damage that drill bushing be easy to cause drill bit, while also will increase the abrasion of drill bushing, when reducing drill bit and drill bushing
Service life.
Utility model content
The purpose of this utility model is to provide a kind of transparent cover bolt hole machined Special drill bushings, solve institute in background technique
The problem of proposition.
To achieve the above object, the utility model provides the following technical solutions: a kind of transparent cover bolt hole machined Special drill bushing,
Its structure includes upper fixing sleeve, lower fixing sleeve and pedestal, the fixed upside for being sheathed on lower fixing sleeve, fixed set
Bottom be provided with convex block, the lower surface two sides of the convex block are provided with mosaic block, and the top of the lower fixing sleeve is provided with recessed
The two sides of slot, the groove are equipped with embedding groove, between the convex block and groove, mosaic block and embedding groove by way of inlaying
Connection；The junction of fixed set and lower fixing sleeve is provided with mounting groove, and installation is equipped with bearing in the mounting groove.
As a kind of preferred embodiment of the utility model, the inside of fixed set, lower fixing sleeve and pedestal is set
Drilling is set, the drilling runs through fixed set, lower fixing sleeve and pedestal.
As a kind of preferred embodiment of the utility model, the surface of the lower fixing sleeve is equipped with the first screw hole, described
The surface middle part of mosaic block is equipped with the second screw hole, is bolted to connection between the lower fixing sleeve and mosaic block.
As a kind of preferred embodiment of the utility model, fixed set, convex block and mosaic block integrally casting at
Type.
As a kind of preferred embodiment of the utility model, the pedestal is set to the bottom of lower fixing sleeve, and the bottom
Integrally casting shaping between seat and lower fixing sleeve.
Compared with prior art, the beneficial effects of the utility model are as follows:
The drill bushing is made up of three parts, is provided with bearing at the middle part of drill bushing, when using drill bushing drill bit to
When side tilts, bearing can follow drill bit to rotate, and prevent bit damage caused by after drill bit surprisingly tilts, while also to brill
Set plays certain protecting effect, reduces use cost.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model
Sign, objects and advantages will become more apparent upon:
Fig. 1 is a kind of external structure schematic diagram of transparent cover bolt hole machined Special drill bushing of the utility model；
Fig. 2 is a kind of the schematic diagram of the section structure of transparent cover bolt hole machined Special drill bushing of the utility model；
Fig. 3 is a kind of structural schematic diagram of the vertical view of transparent cover bolt hole machined Special drill bushing of the utility model；
Fig. 4 is a kind of top view of the lower fixing sleeve of transparent cover bolt hole machined Special drill bushing of the utility model；
Fig. 5 is a kind of structural schematic diagram of the upper fixing sleeve of transparent cover bolt hole machined Special drill bushing of the utility model.
In figure: upper fixing sleeve 1, lower fixing sleeve 2, pedestal 3, the first screw hole 4, mounting groove 5, bearing 6, drilling 7, groove 8, edge
Caulking groove 9, mosaic block 10, the second screw hole 11, convex block 12.
Specific embodiment
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below
In conjunction with specific embodiment, the utility model is further described.
Fig. 1-5 is please referred to, the utility model provides a kind of technical solution: a kind of transparent cover bolt hole machined Special drill bushing,
Structure includes upper fixing sleeve 1, lower fixing sleeve 2 and pedestal 3, and fixed set 1 is set to the upside of lower fixing sleeve 2, described solid
Surely the bottom of set 1 is provided with convex block 12, and the lower surface two sides of the convex block 12 are provided with mosaic block 10, the lower fixing sleeve 2
Top is provided with groove 8, and the two sides of the groove 8 are equipped with embedding groove 9, the convex block 12 and groove 8, mosaic block 10 and embedding groove
It is connected by way of inlaying between 9；The junction of fixed set 1 and lower fixing sleeve 2 is provided with mounting groove 5, described
Installation is equipped with bearing 6 in mounting groove 5.
Referring to Fig. 2, the inside of fixed set 1, lower fixing sleeve 2 and pedestal 3 is provided with drilling 7, the drilling 7 is passed through
Wear fixed set 1, lower fixing sleeve 2 and pedestal 3；Drill bit is facilitated to pass through drilling 7 to carry out punch operation.
Fig. 1 and 5 are please referred to, the surface of the lower fixing sleeve 2 is equipped with the first screw hole 4, the surface middle part of the mosaic block 10
Equipped with the second screw hole 11, it is bolted to connection between the lower fixing sleeve 2 and mosaic block 10；It is fixed by bolt,
It connects more stable.
Referring to Fig. 5,10 integrally casting shaping of fixed set 1, convex block 12 and mosaic block；Integrated formed structure is steady
It is fixed.
Referring to Fig. 1, the pedestal 3 is set to the bottom of lower fixing sleeve 2, and one between the pedestal 3 and lower fixing sleeve 2
Casting and forming；Integrated formed structure is stablized.
A kind of transparent cover bolt hole machined Special drill bushing described in the utility model puts drill bushing when needing to punch
It is placed in the upside of punching object, then drill bit is extend into drilling 7 and punch operation is carried out to object, during punching
If when drill bit run-off the straight, bearing 6 can follow drill bit to be rotated, drill bit is avoided directly to touch drill bushing, can prevent from boring
Set is worn, while can also protect drill bit, prevents Drill Crack.
The upper fixing sleeve 1 of the utility model, lower fixing sleeve 2, pedestal 3, the first screw hole 4, mounting groove 5, bearing 6, drilling 7,
Groove 8, embedding groove 9, mosaic block 10, the second screw hole 11, convex block 12, component are that universal standard part or those skilled in the art know
The component of dawn, structure and principle are all that this technology personnel can be learnt by technical manual or be obtained by routine experiment method
Know, the utility model drill bit is made up of three parts, is provided with bearing 6 at the middle part of drill bushing, is bored when using drill bushing
When head is tilted to side, bearing 6 can follow drill bit to rotate, and prevent bit damage caused by after drill bit surprisingly tilts, simultaneously
Also certain protecting effect is played to drill bushing, reduces use cost.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, for
For those skilled in the art, it is clear that the present invention is not limited to the details of the above exemplary embodiments, and without departing substantially from this
In the case where the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by institute
Attached claim rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent elements of the claims
All changes are embraced therein.It should not treat any reference in the claims as limiting related right
It is required that.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (5)
1. a kind of transparent cover bolt hole machined Special drill bushing, structure includes upper fixing sleeve (1), lower fixing sleeve (2) and pedestal (3),
It is characterized by: fixed set (1) is set to the upside of lower fixing sleeve (2), the bottom of fixed set (1) is provided with convex
The lower surface two sides of block (12), the convex block (12) are provided with mosaic block (10), and the top of the lower fixing sleeve (2) is provided with recessed
The two sides of slot (8), the groove (8) are equipped with embedding groove (9), the convex block (12) and groove (8), mosaic block (10) and embedding groove
(9) it is connected by way of inlaying between；
The junction of fixed set (1) and lower fixing sleeve (2) is provided with mounting groove (5), and installation is set in the mounting groove (5)
There are bearing (6).
2. a kind of transparent cover bolt hole machined Special drill bushing according to claim 1, it is characterised in that: fixed set
(1), the inside of lower fixing sleeve (2) and pedestal (3) be provided with drilling (7), the drilling (7) run through fixed set (1), under
Fixing sleeve (2) and pedestal (3).
3. a kind of transparent cover bolt hole machined Special drill bushing according to claim 1, it is characterised in that: the lower fixing sleeve
(2) surface is equipped with the first screw hole (4), and the surface middle part of the mosaic block (10) is equipped with the second screw hole (11), the lower fixation
It is bolted to connection between set (2) and mosaic block (10).
4. a kind of transparent cover bolt hole machined Special drill bushing according to claim 1, it is characterised in that: fixed set
(1), convex block (12) and mosaic block (10) integrally casting shaping.
5. a kind of transparent cover bolt hole machined Special drill bushing according to claim 1, it is characterised in that: the pedestal (3) sets
In the bottom of lower fixing sleeve (2), and integrally casting shaping between the pedestal (3) and lower fixing sleeve (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820659707.7U CN208437721U (en) | 2018-05-04 | 2018-05-04 | A kind of transparent cover bolt hole machined Special drill bushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820659707.7U CN208437721U (en) | 2018-05-04 | 2018-05-04 | A kind of transparent cover bolt hole machined Special drill bushing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208437721U true CN208437721U (en) | 2019-01-29 |
Family
ID=65095034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820659707.7U Expired - Fee Related CN208437721U (en) | 2018-05-04 | 2018-05-04 | A kind of transparent cover bolt hole machined Special drill bushing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208437721U (en) |
-
2018
- 2018-05-04 CN CN201820659707.7U patent/CN208437721U/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 |
Granted publication date: 20190129 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |