CN105312639A - Electric drill extending device and electric drill provided with same - Google Patents
Electric drill extending device and electric drill provided with same Download PDFInfo
- Publication number
- CN105312639A CN105312639A CN201410338666.8A CN201410338666A CN105312639A CN 105312639 A CN105312639 A CN 105312639A CN 201410338666 A CN201410338666 A CN 201410338666A CN 105312639 A CN105312639 A CN 105312639A
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- installation cavity
- electric drill
- screwdriver bit
- chuck
- bit
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Abstract
The invention discloses an electric drill extending device and an electric drill provided with the same. The outer wall of a chuck installing cavity is contracted for forming one end of a hollow connection rod, the outer wall of the other end of the hollow connection rod is contracted for forming a bit installing cavity, hexagonal fixing structures are arranged in the chuck installing cavity and the bit installing cavity respectively, a bit is installed in the bit installing cavity, the hexagonal fixing structure is utilized for being matched with the bottom of the bit, the bit is limited, and thereby the bit is fixed. By means of the electric drill extending device and the electric drill provided with the same, the bit can be quite convenient to demount or mount, replacement is conducted without utilizing a key to drive a main shaft to move or manually driving a taper sleeve, and replacement efficiency is high; in addition, the electric drill extending device is different from a jack-catch type chuck, malfunction does not occur easily in the using process, the single pistol type electric drill is made to be matched with an external-connection casing head for achieving function interconversion between the electric drill and an electric bottle opener or an electric screw driver or other tools, and the effect of using the same device for multiple purposes is truly achieved.
Description
Technical field
The invention belongs to electric tool technical field, particularly relate 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 utilizing 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, arranges the claw of three radial equipartitions in this chuck, utilize the key actuated spindle lock of peripheral hardware or activity to clamp screwdriver bit, or the tapered sleeve relative movement that driving itself is provided with is 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 that is made up of protheca 1 and bonnet 6, claw 3 can be stretched by the activity of nut 2, bearing 4 and packing ring 5 in the radial direction of chuck cavity, the structure of said structure i.e. tapered sleeve relative movement of the prior art clamping screwdriver bit.
Adopt the structure of the chuck of above-mentioned prior art, when being replaced with screwdriver bit or other tool heads of other types, need to utilize key actuated spindle mobility or manually drive tapered sleeve to change, comparatively loaded down with trivial details, change efficiency lower; The chuck of jack catchs type in addition, utilize frictional force by screwdriver bit or tool heads clamping, its steadiness is poor, in use easily breaks down.
Summary of the invention
The object of this invention is to provide a kind of electric drill extension apparatus and the electric drill of this electric drill extension apparatus be installed, be convenient to change screwdriver bit, and screwdriver bit to install steadiness high, not easily break down.
In order to realize foregoing invention object, technical solution of the present invention is 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 forming hollow connecting rod, the other end outer wall of described hollow connecting rod shrinks and forms screwdriver bit installation cavity, is respectively arranged with hexagonal fixed structure in described chuck installation cavity and in screwdriver bit installation cavity.
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, the flaky magnet that diameter equals screwdriver bit installation cavity inner diameter is provided with in described screwdriver bit installation cavity, the distance of described flaky magnet and screwdriver bit installation cavity accent is less than the length of screwdriver bit, when being installed to screwdriver bit installation cavity after screwdriver bit is replaced, a sucking action is arranged at the bottom of flaky magnet to screwdriver bit, fixing of further reinforcement screwdriver bit, improves the steadiness that screwdriver bit is installed.
Further, in described chuck installation cavity, be provided with the buckle structure coordinated with chuck, strengthen the connection of chuck and electric drill extension apparatus further.
Further, described buckle structure comprises installs through hole, the steel ball being installed on installation through hole successively, spring and fixed block, and described fixed block and the clamping of installation through hole, compressible type buckle structure, structure is simple, and easy for installation, processing cost is lower.
The invention allows for the electric drill being provided with above-mentioned electric drill extension apparatus: a kind of electric drill, comprise chuck, described chuck is 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 forming hollow connecting rod, the other end outer wall of described hollow connecting rod shrinks and forms screwdriver bit installation cavity, is respectively arranged with hexagonal fixed structure in described chuck installation cavity and in screwdriver bit installation cavity.
The electric drill extension apparatus that the present invention proposes and installed the electric drill of this electric drill extension apparatus, is connected electric drill extension apparatus with the chuck of electric drill, directly instead of 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 forming hollow connecting rod, the other end outer wall of described hollow connecting rod shrinks and forms screwdriver bit installation cavity, hexagonal fixed structure is respectively arranged with in described chuck installation cavity and in screwdriver bit installation cavity, screwdriver bit is arranged in screwdriver bit installation cavity, utilize hexagonal fixed structure to coordinate with the bottom of screwdriver bit, carry out spacing to screwdriver bit, thus fixing screwdriver bit.No matter take off screwdriver bit or install screwdriver bit, all very convenient, do not need to utilize key actuated spindle mobility or manually drive tapered sleeve to change, it is high to change efficiency; Also be different from the chuck of jack catchs type in addition, utilize frictional force by screwdriver bit or tool heads clamping, utilize hexagonal fixed structure and flaky magnet to fix screwdriver bit, its steadiness is better, in use not easily breaks 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 invention.
Fig. 3 is the structural representation of the screwdriver bit installation cavity of electric drill extension apparatus of the present invention.
Fig. 4 is the dispersed structure schematic diagram of electric drill extension apparatus of the present invention.
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.
Detailed description of the invention
Be described in further details technical solution of the present invention below in conjunction with drawings and Examples, following examples do not form limitation of the invention.
As shown in Figures 2 and 4, electric drill extension apparatus of the present invention, 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 UNICOM, be provided with hexagonal fixed structure in it.This hexagonal fixed structure is positive hexagonal fixed structure.Arbitrary one side of this positive hexagonal fixed structure is offered one through hole 11 is installed, in installation through hole 11, steel ball 12, spring 13 and fixed block 14 are installed successively, the diameter of this steel ball 12 is slightly larger than the diameter installing through hole 11, this fixed block 14 and the clamping of installation through hole 11, and fixed block 14 is for compressing spring 13 and steel ball 12, and then steel ball 12 portion extrusion is gone out to install through hole 11.
The outer wall of chuck installation cavity 7 shrinks the one end forming hollow connecting rod 8.The outer diameter of this hollow connecting rod 8 is 0.668 centimetre.Adopt the structure of hollow, reduce the weight of whole electric drill extension apparatus on the one hand, reduce motor load on the other hand, 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, the flaky magnet 10 that diameter equals screwdriver bit installation cavity 9 inner diameter is provided with in this screwdriver bit installation cavity 9, this flaky magnet 10 and the distance of screwdriver bit installation cavity 9 accent are less than the length of screwdriver bit 15, when being installed to screwdriver bit installation cavity 9 after screwdriver bit 15 is replaced, a sucking action is arranged at the bottom of flaky magnet 10 pairs of screwdriver bits 15, fixing of further reinforcement screwdriver bit 15, improves 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 arranged all just a kind of embodiment of the present invention, in the production process of reality, can be different and make change according to the type of the screwdriver bit 15 of reality or chuck, such as replaceable be any one in positive five jiaos of fixed structures, just Corner Strapped structure, positive anistree fixed structure.
The invention allows for the electric drill being provided with above-mentioned electric drill extension apparatus: a kind of electric drill, comprise chuck, chuck is 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 wall shrinks the one end forming hollow connecting rod 8, the other end outer wall of hollow connecting rod 8 shrinks and forms screwdriver bit installation cavity 9, is respectively arranged with hexagonal fixed structure in chuck installation cavity 7 and in screwdriver bit installation cavity 9.
Above embodiment is only in order to illustrate technical scheme of the present invention but not to be limited; when not deviating from the present invention's spirit and essence thereof; those of ordinary skill in the art are when making various corresponding change and distortion according to the present invention, but these change accordingly and are out of shape the protection domain that all should belong to the claim appended by the present invention.
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 forming hollow connecting rod, the other end outer wall of described hollow connecting rod shrinks and forms screwdriver bit installation cavity, is respectively arranged with hexagonal fixed structure in described chuck installation cavity and in screwdriver bit installation cavity.
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, is provided with the flaky magnet that diameter equals screwdriver bit installation cavity inner diameter in described screwdriver bit installation cavity, 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, is provided with the buckle structure coordinated with chuck in described chuck installation cavity.
5. electric drill extension apparatus according to claim 4, is characterized in that, described buckle structure comprises installs through hole, the steel ball being installed on installation through hole successively, spring and fixed block, described fixed block and the clamping of installation through hole.
6. an electric drill, comprise chuck, it is characterized in that, described chuck is 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 forming hollow connecting rod, and the other end outer wall of described hollow connecting rod shrinks and forms screwdriver bit installation cavity, is respectively arranged with hexagonal fixed structure in described chuck installation cavity and in screwdriver bit installation cavity.
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, is provided with the flaky magnet that diameter equals screwdriver bit installation cavity inner diameter in described screwdriver bit installation cavity, 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, is provided with the buckle structure coordinated with chuck in described chuck installation cavity.
10. electric drill according to claim 9, is characterized in that, described buckle structure comprises installs through hole, the steel ball being installed on installation through hole successively, spring and fixed block, described fixed block and the clamping of installation through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410338666.8A CN105312639A (en) | 2014-07-09 | 2014-07-09 | Electric drill extending device and electric drill provided with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410338666.8A CN105312639A (en) | 2014-07-09 | 2014-07-09 | Electric drill extending device and electric drill provided with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105312639A true CN105312639A (en) | 2016-02-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410338666.8A Pending CN105312639A (en) | 2014-07-09 | 2014-07-09 | Electric drill extending device and electric drill provided with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105312639A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115026801A (en) * | 2022-08-09 | 2022-09-09 | 南通欧宇信息技术有限公司 | Industrial intelligent manipulator with batch head quick replacement structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN200957554Y (en) * | 2006-06-30 | 2007-10-10 | 孙延新 | Foldable aided handle for electric tool |
| US20080317559A1 (en) * | 2006-05-10 | 2008-12-25 | White Christopher L | Flexible and extendible drill bit assembly |
| CN202640248U (en) * | 2012-05-09 | 2013-01-02 | 兰溪新力五金工具有限公司 | Magnetic extension rod |
| CN102862137A (en) * | 2011-07-07 | 2013-01-09 | 杭州巨星工具有限公司 | Bi-direction mechanical straightener |
| CN203510147U (en) * | 2013-07-30 | 2014-04-02 | 东莞宝顺力电子塑胶制品厂有限公司 | Torsion locating mechanism of impact drill |
| CN103752907A (en) * | 2013-10-31 | 2014-04-30 | 宁波麦克潘特电动工具有限公司 | Drill bit of hollow drill and manufacturing method thereof |
| CN204018811U (en) * | 2014-07-09 | 2014-12-17 | 嵊州市丹青工具有限公司 | A kind of electric drill extension apparatus and the electric drill of this electric drill extension apparatus is installed |
-
2014
- 2014-07-09 CN CN201410338666.8A patent/CN105312639A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080317559A1 (en) * | 2006-05-10 | 2008-12-25 | White Christopher L | Flexible and extendible drill bit assembly |
| CN200957554Y (en) * | 2006-06-30 | 2007-10-10 | 孙延新 | Foldable aided handle for electric tool |
| CN102862137A (en) * | 2011-07-07 | 2013-01-09 | 杭州巨星工具有限公司 | Bi-direction mechanical straightener |
| CN202640248U (en) * | 2012-05-09 | 2013-01-02 | 兰溪新力五金工具有限公司 | Magnetic extension rod |
| CN203510147U (en) * | 2013-07-30 | 2014-04-02 | 东莞宝顺力电子塑胶制品厂有限公司 | Torsion locating mechanism of impact drill |
| CN103752907A (en) * | 2013-10-31 | 2014-04-30 | 宁波麦克潘特电动工具有限公司 | Drill bit of hollow drill and manufacturing method thereof |
| CN204018811U (en) * | 2014-07-09 | 2014-12-17 | 嵊州市丹青工具有限公司 | A kind of electric drill extension apparatus and the electric drill of this electric drill extension apparatus is installed |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115026801A (en) * | 2022-08-09 | 2022-09-09 | 南通欧宇信息技术有限公司 | Industrial intelligent manipulator with batch head quick replacement structure |
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Application publication date: 20160210 |