CN103264374A - Drill chuck with integrated construction drill and straight shank drill capable of being interchanged and locked - Google Patents
Drill chuck with integrated construction drill and straight shank drill capable of being interchanged and locked Download PDFInfo
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- CN103264374A CN103264374A CN2013102429835A CN201310242983A CN103264374A CN 103264374 A CN103264374 A CN 103264374A CN 2013102429835 A CN2013102429835 A CN 2013102429835A CN 201310242983 A CN201310242983 A CN 201310242983A CN 103264374 A CN103264374 A CN 103264374A
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- drill chuck
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Abstract
The invention provides a drill chuck with integrated construction drill and straight shank drill capable of being interchanged and locked. The drill chuck comprises a straight shank drill clamping jaw locking mechanism, a construction drill locking mechanism and a clamping jaw self-locking mechanism. A drill chuck body assembly and a clamping jaw locking control disc form a clamping jaw telescoping locking mechanism; a locking sleeve, a positioning ring buckled with the locking sleeve, and a drill fastener pulling piece, a drill fastener and a drill fastener spring which are all orderly arranged at the inner side of the positioning ring, as well as a short cylinder limited by the drill fastener in the radial direction form a chisel locking closure mechanism; and a rotation stopping lower plate, a rotation stopping upper plate and a drill chuck body assembly form the clamping jaw self-locking mechanism. The drill chuck is capable of effectively shortening the distance between the clamping jaw telescoping mechanism and the SDS closure mechanism, effectively avoiding interference of the shoulder of a drill body with the chuck when a large-specification drill is used, and realizing the universal matching of construction drills of more than phi 12mm.
Description
Technical field
The present invention relates to the electric tool technical field, particularly a kind of worker's drill bit and straight shank drill one permutation lock bench drill chuck built.
Background technology
Electric tool commonly used has the electric drill of the use straight shank drill of realizing drilling function and realizes that the use of cutter function builds the electric hammer brill of worker's drill bit.And the electric hammer brill has the electric drill function concurrently more, need bore the drill chuck that energy clamping straight shank drill is housed at electric hammer when utilizing its electric drill function.Common way is scheme as shown in Figure 1: drill chuck is locked to electric hammer SDS(Special Direct System by connecting rod, the electric hammer drill point is held mode, the design of 4 tunnels and 5 tunnels is arranged) on the device, realize the output of work again by the sealed straight shank drill of drill chuck three-jaw, shortcoming is supporting cost height, output accuracy is poor, changes inconvenient.Fig. 2 is another kind of scheme, and drill chuck directly is used with the instrument one, and its structure more bit change makes things convenient for.But this structure is because the closing component structure complexity, and the distance between jaw and the SDS locking mechanism is longer, can only the following drill bit of clamping φ 12mm when clamping is built worker's drill bit; And build worker's drill bit more than the φ 12mm, and as shown in Figure 3, drilling rod is thicker than drillstock, and the shoulder between drilling rod and drillstock and drill jig produce and interfere (among the figure shown in the elliptical section), and drill handle part just must lengthen and could use, and namely must use non-standard drill.
Summary of the invention
The purpose of this invention is to provide a kind of jaw closing component structure compactness, that shortens distance between jaw telescoping mechanism and the SDS locking mechanism builds worker's drill bit and straight shank drill one permutation lock bench drill chuck, can directly use the standard more than the φ 12mm to build worker's drill bit.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of worker's drill bit and straight shank drill one permutation lock bench drill chuck built includes straight shank drill jaw locking mechanism, builds worker's drill bit locking mechanism, the jaw self-locking mechanism.Drill point body assembly and jaw locking control panel form the flexible locking mechanism of jaw; Cutting ferrule, with the locating ring that cutting ferrule fastens, the drill chuck that the locating ring inboard sets gradually pulls out sheet, drill chuck, drill chuck spring, and the radially spacing short cylindrical of drill chuck forms is cutter locking locking mechanism; What spline lower plate, spline upper plate and drill point body assembly formed is the jaw self-locking mechanism.
As preferred version, adapter sleeve welds together in spline lower plate and the drill point body assembly, and the spline lower plate have several self-locking grooves can for the spline upper plate block the realization auto-lock function from snap close.
As preferred version, the self-locking grooves of spline lower plate circumferentially continuously arranges, the spline upper plate circumferentially evenly arrange 2 to 4 from snap close, the position is corresponding with the self-locking grooves of spline lower plate.
As preferred version, locating ring and the circumferential interlock of drill chuck plectrum have several small embossments to snap in the hole of spline upper plate correspondence on the drill chuck plectrum, make the spline upper plate produce axial displacement, buckle in the spline lower plate self-locking grooves thereby make from snap close, realize the left-hand thread auto-lock function.
As preferred version, the end of drill chuck of the present invention also has dust-proof mechanism, and circlip for hole 1, dustproof brush constitute dust-proof mechanism.
The distance between jaw telescoping mechanism and the SDS locking mechanism has effectively been shortened in this invention, has effectively dodged the situation of drill body shoulder and chuck interference when using big specification drill bit, has realized building more than the φ 12mm wildcard problem of worker's drill bit.
Description of drawings
Fig. 1 is the common schematic diagram that connects drill chuck by connecting rod;
Fig. 2 is the schematic diagram that existing drill chuck is connected with the instrument one;
Fig. 3 for the structure of Fig. 2 when sealed big specification is built worker's drill bit, drill chuck and drill bit shoulder interference schematic diagram;
Fig. 4 is structural representation of the present invention;
Fig. 5 is explosive view of the present invention;
Among the figure: 1. circlip for hole, 2. dustproof brush, 3. drill point body assembly, 4. spline lower plate, 5 drill chucks pull out sheet, 6. cutting ferrule, 7. drill chuck spring, 8. circlip for shaft, 9. plain washer, 10. drill chuck, 11. spline upper plates, 12. locating rings, 13. short cylindrical, 14. adapter sleeve, 15. jaws locking control panel, 16. jaws.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail.
As shown in Figure 5, a kind of worker's drill bit and straight shank drill one permutation lock bench drill chuck built includes straight shank drill jaw locking mechanism, builds worker's drill bit locking mechanism, and jaw self-locking mechanism and dust-proof mechanism four parts are formed.Drill point body assembly 3 forms the flexible locking mechanism of jaw with jaw locking control panel 15 among Fig. 5; What drill chuck pulled out sheet 5, cutting ferrule 6, drill chuck spring 7, drill chuck 10, locating ring 12 and short cylindrical 13 formation is cutter locking locking mechanism; What spline lower plate 4, spline upper plate 11 and drill point body assembly 3 formed among Fig. 5 is the jaw self-locking mechanism; What circlip for hole 1, dustproof brush 2 and drill bit drill body itself formed is dust-proof mechanism.
As shown in Figure 5, when promoting cutting ferrule 6 generation axial displacements, cutting ferrule 6 is connected pulling locating ring 12 with locating ring 12 by back-off device and moves axially, locating ring 12 moves axially in the process and to promote drill chuck and pull out sheet 5, spline upper plate 11, drill chuck 10 moves, compress drill chuck spring 7 simultaneously, at this moment insert to build worker's drill bit or to pull out and build worker's drill bit and all can promote short cylindrical 13 and move radially laterally, realize taking out or inserting the purpose of drill bit, after inserting, drill bit unclamps cutting ferrule 6, because the effect of spring thrust can make drill chuck 10 produce axially to reply and move, drill chuck 10 is pushing short cylindrical 13 in mobile process, short cylindrical 13 is glided snap in the drill bit self-locking grooves, realize the integral body answer of mechanism, realize the cutter function locking of drill bit as shown in Figure 5.
Realize cutter function locking rear clip-claw 16 when drill chuck as shown in Figure 5 and should be in the released position, make drill bit realize endwisely slipping displacement, in this process because of the vibrations in the operation of electric tool own, the jaw 16 that unclamps might be because vibrations make the screw thread of control jaw 16 produce displacement, cause jaw 16 to clamp and build worker's drill bit, destroy the axially-movable of drill bit and then damage drill chuck or electric tool, the method of head it off is: by drill point body assembly 3 among Fig. 5, spline lower plate 4, drill chuck pulls out sheet 5, spline upper plate 11 formed mechanisms are described left-hand thread self-locking mechanism, realize the not mobile function of locking jaw 16 self-lockings.This function is as described below: adapter sleeve 14 welds together in spline lower plate 4 and the drill point body assembly 3, and spline lower plate 4 have that several self-locking grooves can be for spline upper plate 11 block the realization auto-lock function from snap close; Concrete motion process is: after the three-jaw telescoping mechanism unclamps clamping drilling bit, in might spline upper plate 11 three do not snap in the spline lower plate 4 from snap close, at this moment drive drill chuck plectrums 5 circumferential movement by manually rotating locating ring 12, at this moment snap in 11 3 holes of spline upper plate by three small embossments on the drill chuck plectrum 5, make spline upper plate 11 produce axial displacement, buckle in spline lower plate 4 self-locking grooves thereby make from snap close, realize the left-hand thread auto-lock function.
Shown in Figure 5, the locking mode of straight shank drill is: withdraw from self-locking mechanism by angle of pulling cutting ferrule 6 rotations, packing into re-uses jaw locking control panel 15 locking straight shank drills in the chuck handle rotary drilling clamp assembly 3 behind the straight shank drill, replys 6 self-locking devices simultaneously, prevents that drill bit from getting loose.
The size of sealed drill bit can realize the locking instructions for use of bigger specification drill bit by the size of adjusting drill point body assembly 3.
Claims (5)
1. build worker's drill bit and straight shank drill one permutation lock bench drill chuck for one kind, include straight shank drill jaw locking mechanism, build worker's drill bit locking mechanism, the jaw self-locking mechanism, drill point body assembly and jaw locking control panel form the flexible locking mechanism of jaw; It is characterized in that: cutting ferrule 6, with the locating ring 12 that cutting ferrule fastens, the drill chuck that locating ring 12 inboards set gradually pulls out sheet 5, drill chuck 10, drill chuck spring 7, and the radially spacing short cylindrical 13 of drill chuck 10 constitutes cutter locking locking mechanisms; Spline lower plate 4, spline upper plate 11 and drill point body assembly 3 constitute the jaw self-locking mechanism.
2. build worker's drill bit and straight shank drill one permutation lock bench drill chuck according to claim 1, it is characterized in that: in the drill point body assembly 3 adapter sleeve 14 is arranged, spline lower plate 4 welds together with adapter sleeve 14, and spline lower plate 4 has several self-locking grooves, and corresponding spline upper plate 11 with the self-locking grooves of spline lower plate 4 has from snap close.
3. build worker's drill bit and straight shank drill one permutation lock bench drill chuck according to claim 2, it is characterized in that: the self-locking grooves of spline lower plate 4 circumferentially arranges continuously, spline upper plate 11 circumferentially evenly arrange 2 to 4 from snap close, the position is corresponding with the self-locking grooves of spline lower plate 4.
According to claim 1 build worker's drill bit and straight shank drill one permutation lock bench drill chuck, it is characterized in that: locating ring 12 and drill chuck plectrum 5 circumferential interlocks have several small embossments to snap in the hole of spline upper plate 11 correspondences on the drill chuck plectrum 5.
According to claim 1 build worker's drill bit and straight shank drill one permutation lock bench drill chuck, it is characterized in that: the end of drill chuck also has dust-proof mechanism, circlip for hole 1, dustproof brush 2 constitute dust-proof mechanisms.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310242983.5A CN103264374B (en) | 2013-06-17 | 2013-06-17 | Build work drill bit and straight shank drill one permutation lock bench drill chuck |
| PCT/CN2014/079461 WO2014201955A1 (en) | 2013-06-17 | 2014-06-09 | Exchangeable-locking drill chuck integrating drill for building engineering with straight shank drill |
| EP14813877.9A EP3012072A4 (en) | 2013-06-17 | 2014-06-09 | Exchangeable-locking drill chuck integrating drill for building engineering with straight shank drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310242983.5A CN103264374B (en) | 2013-06-17 | 2013-06-17 | Build work drill bit and straight shank drill one permutation lock bench drill chuck |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103264374A true CN103264374A (en) | 2013-08-28 |
| CN103264374B CN103264374B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310242983.5A Active CN103264374B (en) | 2013-06-17 | 2013-06-17 | Build work drill bit and straight shank drill one permutation lock bench drill chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103264374B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014201955A1 (en) * | 2013-06-17 | 2014-12-24 | 浙江海王电器有限公司 | Exchangeable-locking drill chuck integrating drill for building engineering with straight shank drill |
| CN105563427A (en) * | 2014-10-11 | 2016-05-11 | 浙江海王电器有限公司 | Electric tool and electric hammer special drill and straight shank drill integrated interchange locking device of electric tool |
| CN109818285A (en) * | 2019-01-30 | 2019-05-28 | 国网浙江杭州市富阳区供电有限公司 | A kind of electrically operated device for handcart switch cabinet |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5470084A (en) * | 1993-12-16 | 1995-11-28 | Robert Bosch Gmbh | Hand drill, in particular hammer drill |
| EP0864390A2 (en) * | 1997-03-14 | 1998-09-16 | Röhm GmbH | Drill chuck |
| CN1915566A (en) * | 2005-07-01 | 2007-02-21 | 雅各布卡盘制造公司 | Chuck |
| CN101229591A (en) * | 2007-01-22 | 2008-07-30 | 铨宝工业股份有限公司 | Selflock collet |
| CN201157915Y (en) * | 2007-04-20 | 2008-12-03 | 浙江三鸥机械股份有限公司 | Novel hand locking drill chuck and novel wrench drill clamping chuck |
| CN201214155Y (en) * | 2008-06-07 | 2009-04-01 | 山东威达机械股份有限公司 | Quick replaceable drill clamping chuck |
| CN102513978A (en) * | 2011-12-02 | 2012-06-27 | 浙江海王电器有限公司 | Novel electric hammer |
| CN203357411U (en) * | 2013-06-17 | 2013-12-25 | 浙江海王电器有限公司 | Interchangeable locked drill chuck with construction drill and straight-handle drill integrated |
-
2013
- 2013-06-17 CN CN201310242983.5A patent/CN103264374B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5470084A (en) * | 1993-12-16 | 1995-11-28 | Robert Bosch Gmbh | Hand drill, in particular hammer drill |
| EP0864390A2 (en) * | 1997-03-14 | 1998-09-16 | Röhm GmbH | Drill chuck |
| CN1915566A (en) * | 2005-07-01 | 2007-02-21 | 雅各布卡盘制造公司 | Chuck |
| CN101229591A (en) * | 2007-01-22 | 2008-07-30 | 铨宝工业股份有限公司 | Selflock collet |
| CN201157915Y (en) * | 2007-04-20 | 2008-12-03 | 浙江三鸥机械股份有限公司 | Novel hand locking drill chuck and novel wrench drill clamping chuck |
| CN201214155Y (en) * | 2008-06-07 | 2009-04-01 | 山东威达机械股份有限公司 | Quick replaceable drill clamping chuck |
| CN102513978A (en) * | 2011-12-02 | 2012-06-27 | 浙江海王电器有限公司 | Novel electric hammer |
| CN203357411U (en) * | 2013-06-17 | 2013-12-25 | 浙江海王电器有限公司 | Interchangeable locked drill chuck with construction drill and straight-handle drill integrated |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014201955A1 (en) * | 2013-06-17 | 2014-12-24 | 浙江海王电器有限公司 | Exchangeable-locking drill chuck integrating drill for building engineering with straight shank drill |
| CN105563427A (en) * | 2014-10-11 | 2016-05-11 | 浙江海王电器有限公司 | Electric tool and electric hammer special drill and straight shank drill integrated interchange locking device of electric tool |
| CN105563427B (en) * | 2014-10-11 | 2017-09-08 | 浙江海王电器有限公司 | Electric tool and its electric hammer target drill integrally exchange lock uint with straight shank drill |
| CN109818285A (en) * | 2019-01-30 | 2019-05-28 | 国网浙江杭州市富阳区供电有限公司 | A kind of electrically operated device for handcart switch cabinet |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103264374B (en) | 2016-01-20 |
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Effective date of registration: 20190904 Address after: 321200 No. 18 Huanglong Third Road, Huanglong Industrial Zone, Hushan Street, Wuyi County, Jinhua City, Zhejiang Province Patentee after: Jinhua poly Electric Appliance Co., Ltd. Address before: 321200 No. 18 Huanglong Third Road, Huanglong Industrial Zone, Hushan Street, Wuyi County, Jinhua City, Zhejiang Province Patentee before: Zhejiang SKT Electric Machine Co., Ltd. |
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| TR01 | Transfer of patent right |