CN204018811U - A kind of electric drill extension apparatus and the electric drill of this electric drill extension apparatus is installed - Google Patents
A kind of electric drill extension apparatus and the electric drill of this electric drill extension apparatus is installed Download PDFInfo
- Publication number
- CN204018811U CN204018811U CN201420393243.1U CN201420393243U CN204018811U CN 204018811 U CN204018811 U CN 204018811U CN 201420393243 U CN201420393243 U CN 201420393243U CN 204018811 U CN204018811 U CN 204018811U
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- CN
- China
- Prior art keywords
- installation cavity
- screwdriver bit
- electric drill
- chuck
- extension apparatus
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- 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 a kind of electric drill extension apparatus and the electric drill of this electric drill extension apparatus is installed, chuck installation cavity outer wall shrinks the one end that forms hollow connecting rod, the other end outer wall of described hollow connecting rod shrinks and forms screwdriver bit installation cavity, in described chuck installation cavity and in screwdriver bit installation cavity, be respectively arranged with hexagonal fixed structure, screwdriver bit is arranged in screwdriver bit installation cavity, utilize hexagonal fixed structure to coordinate with the bottom of screwdriver bit, screwdriver bit is carried out spacing, thereby fixing screwdriver bit.No matter take off screwdriver bit or screwdriver bit is installed, all very convenient, do not need to utilize key actuated main shaft movable or manually drive tapered sleeve to change, change efficiency high; Also be different from addition the chuck of jack catchs type, be in use difficult for breaking down, and make single pistol type electric drill, by reaching the functions such as electric drill and electric screw driver, electric screw driver and mutually change with external pullover cooperation, really accomplish a tractor serves several purposes.
Description
Technical field
The utility model belongs to electric tool technical field, relates in particular to a kind of electric drill extension apparatus and the electric drill of this electric drill extension apparatus is installed.
Background technology
Electric drill refers to the drilling machine that utilizes electric energy to do power.Be widely used in the reinforcing of building girder, plate, post, wall etc., the installations such as finishing, wall installation, support, railing, billboard, air-conditioner outdoor unit, guide rail, satellite receiver elevator, steel-structure factory building.
The method of clamping of conventional electric drill is generally claw clamping.Electric drill comprises chuck, and the claw of three radial equipartitions is set in this chuck, utilize key actuated spindle lock or the activity of peripheral hardware to clamp screwdriver bit, or the tapered sleeve that driving itself is provided with relatively moves to clamp screwdriver bit.As shown in Figure 1, chuck comprises protheca 1, nut 2, claw 3, bearing 4, packing ring 5 and bonnet 6, nut 2, claw 3, bearing 4 and packing ring 5 are installed in the chuck cavity being comprised of protheca 1 and bonnet 6, the activity of claw 3 by nut 2, bearing 4 and packing ring 5 can be upwards flexible in the footpath of chuck cavity, and said structure is the relatively move structure of clamping screwdriver bit of tapered sleeve of the prior art namely.
Adopt the structure of the chuck of above-mentioned prior art, while being replaced with the screwdriver bit of other types or other tool heads, need to utilize key actuated main shaft movable or manually drive tapered sleeve to change, comparatively loaded down with trivial details, change efficiency lower; The chuck of jack catchs type, utilizes frictional force that screwdriver bit or tool heads are clamped in addition, and its steadiness is poor, in use easily breaks down.
Utility model content
The purpose of this utility model is to provide a kind of electric drill extension apparatus and the electric drill of this electric drill extension apparatus is installed, and is convenient to change screwdriver bit, and screwdriver bit installation steadiness is high, is difficult for breaking down.
In order to realize above-mentioned utility model object, technical solutions of the utility model are as follows:
A kind of electric drill extension apparatus, be installed on the chuck of electric drill, it comprises chuck installation cavity, hollow connecting rod and screwdriver bit installation cavity, described chuck installation cavity outer wall shrinks the one end that forms hollow connecting rod, the other end outer wall of described hollow connecting rod shrinks and forms screwdriver bit installation cavity, in described chuck installation cavity and in screwdriver bit installation cavity, is respectively arranged with hexagonal fixed structure.
Further, the diameter of described chuck installation cavity is greater than the diameter of screwdriver bit installation cavity, meets stock size, and can reduce motor load.
Further, in described screwdriver bit installation cavity, be provided with the flaky magnet that diameter equals screwdriver bit installation cavity inner diameter, the distance of described flaky magnet and screwdriver bit installation cavity accent is less than the length of screwdriver bit, while being installed to screwdriver bit installation cavity after screwdriver bit is replaced, flaky magnet has a sucking action to the bottom of screwdriver bit, further strengthen the fixing of screwdriver bit, improve the steadiness that screwdriver bit is installed.
Further, in described chuck installation cavity, be provided with the buckle structure coordinating with chuck, strengthen being further connected of chuck and electric drill extension apparatus.
Further, described buckle structure comprises steel ball, spring and the fixed block of through hole being installed, being installed on successively installation through hole, described fixed block and the clamping of installation through hole, and compressible type buckle structure, simple in structure, easy for installation, processing cost is lower.
The utility model has also proposed to be provided with the electric drill of above-mentioned electric drill extension apparatus: a kind of electric drill, comprise chuck, on described chuck, be provided with electric drill extension apparatus, described electric drill extension apparatus comprises chuck installation cavity, hollow connecting rod and screwdriver bit installation cavity, described chuck installation cavity outer wall shrinks the one end that forms hollow connecting rod, the other end outer wall of described hollow connecting rod shrinks and forms screwdriver bit installation cavity, in described chuck installation cavity and in screwdriver bit installation cavity, is respectively arranged with hexagonal fixed structure.
The electric drill extension apparatus the utility model proposes and the electric drill that this electric drill extension apparatus has been installed, be connected electric drill extension apparatus with the chuck of electric drill, directly replaced the chuck of three jack catchs types of the prior art.This electric drill extension apparatus comprises chuck installation cavity, hollow connecting rod and screwdriver bit installation cavity, described chuck installation cavity outer wall shrinks the one end that forms hollow connecting rod, the other end outer wall of described hollow connecting rod shrinks and forms screwdriver bit installation cavity, in described chuck installation cavity and in screwdriver bit installation cavity, be respectively arranged with hexagonal fixed structure, screwdriver bit is arranged in screwdriver bit installation cavity, utilize hexagonal fixed structure to coordinate with the bottom of screwdriver bit, screwdriver bit is carried out spacing, thereby fixing screwdriver bit.No matter take off screwdriver bit or screwdriver bit is installed, all very convenient, do not need to utilize key actuated main shaft movable or manually drive tapered sleeve to change, change efficiency high; Also be different from addition the chuck of jack catchs type, utilize frictional force that screwdriver bit or tool heads are clamped, utilize hexagonal fixed structure and flaky magnet to fix screwdriver bit, its steadiness is better, is in use difficult for breaking down.
Accompanying drawing explanation
Fig. 1 is the structural representation of the chuck of prior art.
Fig. 2 is the structural representation of electric drill extension apparatus of the present utility model.
Fig. 3 is the structural representation of the screwdriver bit installation cavity of electric drill extension apparatus of the present utility model.
Fig. 4 is the dispersed structure schematic diagram of electric drill extension apparatus of the present utility model.
In figure, Reference numeral is: 1, protheca, 2, nut, 3, claw, 4, bearing, 5, packing ring, 6, bonnet, 7, chuck installation cavity, 8, hollow connecting rod, 9, screwdriver bit installation cavity, 10, flaky magnet, 11, through hole is installed, 12, steel ball, 13, spring, 14, fixed block, 15, screwdriver bit.
The specific embodiment
Below in conjunction with drawings and Examples, technical solutions of the utility model are described in further details, following examples do not form restriction of the present utility model.
As shown in Figures 2 and 4, electric drill extension apparatus of the present utility model, is installed on the chuck of electric drill.Comprise chuck installation cavity 7, hollow connecting rod 8 and screwdriver bit installation cavity 9.
As shown in Figure 3, the internal diameter of chuck installation cavity 7 equals the external diameter of chuck, and the external diameter of chuck installation cavity 7 is greater than the external diameter of screwdriver bit installation cavity 9.This chuck installation cavity 7 and hollow connecting rod 8 UNICOMs, be provided with hexagonal fixed structure in it.This hexagonal fixed structure is positive hexagonal fixed structure.In arbitrary one side of this positive hexagonal fixed structure, offer one through hole 11 is installed, in through hole 11 is installed, steel ball 12, spring 13 and fixed block 14 are installed successively, the slightly larger in diameter of this steel ball 12 is in the diameter that through hole 11 is installed, this fixed block 14 and 11 clampings of installation through hole, and fixed block 14 is for spring 13 and steel ball 12 compressed, and then steel ball 12 parts are squeezed out through hole 11 is installed.
The outer wall of chuck installation cavity 7 shrinks the one end that forms hollow connecting rod 8.The outer diameter of this hollow connecting rod 8 is 0.668 centimetre.Adopt the structure of hollow, reduced on the one hand the weight of whole electric drill extension apparatus, reduce on the other hand motor load, increase the flexibility ratio of electric drill extension apparatus.
The other end outer wall of hollow connecting rod 8 shrinks and forms screwdriver bit installation cavity 9, in this screwdriver bit installation cavity 9, be provided with the flaky magnet 10 that diameter equals screwdriver bit installation cavity 9 inner diameters, the distance of this flaky magnet 10 and screwdriver bit installation cavity 9 accents is less than the length of screwdriver bit 15, while being installed to screwdriver bit installation cavity 9 after screwdriver bit 15 is replaced, a sucking action is arranged at the bottom of 10 pairs of screwdriver bits 15 of flaky magnet, further strengthen the fixing of screwdriver bit 15, improve the steadiness that screwdriver bit 15 is installed.
No matter be chuck installation cavity 7 or screwdriver bit installation cavity 9, its inner hexagonal fixed structure arranging is all a kind of embodiment of the present utility model, in actual production process, can make change according to the type of actual screwdriver bit 15 or chuck is different, such as replaceable be positive five jiaos of fixed structures, any one in Corner Strapped structure, positive anistree fixed structure just.
The utility model has also proposed to be provided with the electric drill of above-mentioned electric drill extension apparatus: a kind of electric drill, comprise chuck, on chuck, be provided with electric drill extension apparatus, electric drill extension apparatus comprises chuck installation cavity 7, hollow connecting rod 8 and screwdriver bit installation cavity 9, chuck installation cavity 7 outer walls shrink the one end that forms hollow connecting rod 8, the other end outer wall of hollow connecting rod 8 shrinks and forms screwdriver bit installation cavity 9, in chuck installation cavity 7 and in screwdriver bit installation cavity 9, is respectively arranged with hexagonal fixed structure.
Above embodiment is only in order to the technical solution of the utility model to be described but not be limited; in the situation that not deviating from the utility model spirit and essence thereof; those of ordinary skill in the art are when making various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the utility model.
Claims (10)
1. an electric drill extension apparatus, be installed on the chuck of electric drill, it is characterized in that, it comprises chuck installation cavity, hollow connecting rod and screwdriver bit installation cavity, described chuck installation cavity outer wall shrinks the one end that forms hollow connecting rod, the other end outer wall of described hollow connecting rod shrinks and forms screwdriver bit installation cavity, in described chuck installation cavity and in screwdriver bit installation cavity, is respectively arranged with hexagonal fixed structure.
2. electric drill extension apparatus according to claim 1, is characterized in that, the diameter of described chuck installation cavity is greater than the diameter of screwdriver bit installation cavity.
3. electric drill extension apparatus according to claim 2, is characterized in that, in described screwdriver bit installation cavity, is provided with the flaky magnet that diameter equals screwdriver bit installation cavity inner diameter, and the distance of described flaky magnet and screwdriver bit installation cavity accent is less than the length of screwdriver bit.
4. electric drill extension apparatus according to claim 2, is characterized in that, in described chuck installation cavity, is provided with the buckle structure coordinating with chuck.
5. electric drill extension apparatus according to claim 4, is characterized in that, described buckle structure comprises steel ball, spring and the fixed block of through hole being installed, being installed on successively installation through hole, described fixed block and the clamping of installation through hole.
6. an electric drill, comprise chuck, it is characterized in that, on described chuck, be provided with electric drill extension apparatus, described electric drill extension apparatus comprises chuck installation cavity, hollow connecting rod and screwdriver bit installation cavity, described chuck installation cavity outer wall shrinks the one end that forms hollow connecting rod, and the other end outer wall of described hollow connecting rod shrinks and forms screwdriver bit installation cavity, in described chuck installation cavity and in screwdriver bit installation cavity, is respectively arranged with hexagonal fixed structure.
7. electric drill according to claim 6, is characterized in that, the diameter of described chuck installation cavity is greater than the diameter of screwdriver bit installation cavity.
8. electric drill according to claim 7, is characterized in that, in described screwdriver bit installation cavity, is provided with the flaky magnet that diameter equals screwdriver bit installation cavity inner diameter, and the distance of described flaky magnet and screwdriver bit installation cavity accent is less than the length of screwdriver bit.
9. electric drill according to claim 7, is characterized in that, in described chuck installation cavity, is provided with the buckle structure coordinating with chuck.
10. electric drill according to claim 9, is characterized in that, described buckle structure comprises steel ball, spring and the fixed block of through hole being installed, being installed on successively installation through hole, described fixed block and the clamping of installation through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420393243.1U CN204018811U (en) | 2014-07-09 | 2014-07-09 | A kind of electric drill extension apparatus and the electric drill of this electric drill extension apparatus is installed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420393243.1U CN204018811U (en) | 2014-07-09 | 2014-07-09 | A kind of electric drill extension apparatus and the electric drill of this electric drill extension apparatus is installed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204018811U true CN204018811U (en) | 2014-12-17 |
Family
ID=52058721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420393243.1U Expired - Fee Related CN204018811U (en) | 2014-07-09 | 2014-07-09 | A kind of electric drill extension apparatus and the electric drill of this electric drill extension apparatus is installed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204018811U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104939892A (en) * | 2015-06-29 | 2015-09-30 | 河南曙光健士医疗器械集团股份有限公司 | Medical brain drill |
| CN105312639A (en) * | 2014-07-09 | 2016-02-10 | 嵊州市丹青工具有限公司 | Electric drill extending device and electric drill provided with same |
| CN105798360A (en) * | 2014-12-31 | 2016-07-27 | 苏州宝时得电动工具有限公司 | Working head support device and power tool |
-
2014
- 2014-07-09 CN CN201420393243.1U patent/CN204018811U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105312639A (en) * | 2014-07-09 | 2016-02-10 | 嵊州市丹青工具有限公司 | Electric drill extending device and electric drill provided with same |
| CN105798360A (en) * | 2014-12-31 | 2016-07-27 | 苏州宝时得电动工具有限公司 | Working head support device and power tool |
| CN105798360B (en) * | 2014-12-31 | 2017-12-29 | 苏州宝时得电动工具有限公司 | Work head supporting device and power tool |
| CN104939892A (en) * | 2015-06-29 | 2015-09-30 | 河南曙光健士医疗器械集团股份有限公司 | Medical brain drill |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141217 Termination date: 20150709 |
|
| EXPY | Termination of patent right or utility model |