CN201086279Y - Quick switching locking device for multi-headed electro drill head - Google Patents
Quick switching locking device for multi-headed electro drill head Download PDFInfo
- Publication number
- CN201086279Y CN201086279Y CNU2007201142683U CN200720114268U CN201086279Y CN 201086279 Y CN201086279 Y CN 201086279Y CN U2007201142683 U CNU2007201142683 U CN U2007201142683U CN 200720114268 U CN200720114268 U CN 200720114268U CN 201086279 Y CN201086279 Y CN 201086279Y
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- electric drill
- casing
- locking device
- gear
- tower shell
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- Expired - Lifetime
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Abstract
The utility model discloses a rapid working head switch and locking device of a multi-head electric drill. A positioning switch fork on a positioning pin device is matched with a slot on a tower housing, a positioning pin is inserted in a positioning hole of the tower housing, and a toggle is arranged on the positioning pin device and butts against a center shaft. The rapid working head switch and locking device of multi-head electric drill comprises two gear shafts on a sleeve bearing fixing housing, and a gear arranged on one end of the gear shafts and engaged with a rotor arranged on the housing, wherein the inner holes of the gear shafts are matched with the center shaft; a position-limiting pin in the inner holes of the gear shafts is matched with the center shaft at one side and is fixed with a spring at the other side; and a baffle is arranged on the other side of the spring and is fixed with the housing. The utility model has the advantages of simple structure, easy processing, and high speed for switching drilling heads, and is suitable for batch production. The position-limiting pin in the housing has simple structure and is very stable. After switching, the positioning pin device and the center shaft can be reset rapidly through the spring, so that the electric drill can access the usage state.
Description
Technical field
The utility model relates to a kind of electric drill, relates in particular to a kind of bull electric drill working head and changes locking device fast.
Background technology
Present bull electric drill all has a tower shell, design has two or more working heads on the tower shell, by rotating the tower shell, working head can be pressed need of work connects working head and line shaft, for the device that rotates the tower shell, have and adopt angular wheel, some adopts tower shell to be rotated with cooperating of fuselage in addition.For the angular wheel device, the one, the requirement on machining accuracy height has increased product cost, and the 2nd, the time required when conversion work is long, and efficient is lower.Some product is in order to raise the efficiency, adopt electric structure operation working gear, as publication number is to disclose a kind ofly during the patent of invention of CN1942276A " utilizes rotating turret to change chuck automatically ", utilizes the rotation of the cooperation control swiveling head of trigger and gear.Though such structure is easy to use, can increase the cost of product too, for tower shell and cooperating of fuselage requiring also to have increased processing cost virtually also than higher.And electric drill the time will bring high temperature and vibration in work, be easy to make inner complicated transformational structure distortion, and causing can't the normal conversion drill bit.This defective gently then causes work to carry out, and is heavy then may cause the operator injured.Simultaneously, after the tower shell rotates, be difficult to fix, can make like this to produce friction between central shaft and the tower shell, reduced the effect of entire product, also can bring noise.Rotor speed in the motor is not suitable for directly being connected with work than higher generally speaking, must join a speed decreasing mechanism, and what dispose in the motor usually is the electronics reducing gear, and the cost height damages easily, can't use under rugged environment.
The utility model content
The purpose of this utility model provides a kind of bull electric drill working head and changes locking device fast, when having reduced production cost, can make bull electric drill replacing work quick first watch, the stable friction that can deflection cause central shaft and casing of conversion back tower shell.Whole apparatus structure is simple, and is not fragile.Adopt mechanical reduction gear simultaneously, be fit to bad working environment.
For reaching described effect, a kind of bull electric drill of the utility model working head is changed locking device fast, comprise casing, the casing front end is equipped with the tower shell, casing and tower shell are by back-shaped respective outer side edges together, each conversion work parts are housed on the tower shell successively, be equipped with central shaft in each conversion work parts, casing and tower shell junction are provided with dowel device, dowel device comprises and is contained in slide on the casing, push button and alignment pin are fixed on the slide, location shift fork on the dowel device cooperates with draw-in groove on the tower shell, alignment pin is inserted in the locating hole of tower shell, also be provided with toggle on the dowel device, toggle withstands on the central shaft, described bull electric drill working head is changed locking device fast and is comprised by the fixing gear shaft on the casing of two oiliness bearings, at gear shaft one end a gear is installed, this gear is meshed with rotor on being installed in casing, the gear shaft endoporus cooperates with central shaft, a spacer pin is arranged in the endoporus of gear shaft, and spacer pin cooperates with central shaft on one side, with spring fix on one side, the another side of spring has a catch, and catch and casing are fixed.
Preferably, described draw-in groove is circular, but it is smooth with shift fork junction, location.Circular draw-in groove and tower shell coupling are installed easily, and can after the tower shell rotates tower shell position firmly be fixed with shift fork junction, location is smooth, can not be offset.
Preferably, described alignment pin is provided with spring II, makes that alignment pin is more accurate when inserting tower shell locating hole, also can reduce friction between alignment pin and the locating hole.
Preferably, described gear is an interference fit with cooperating of gear shaft, can effectively protect the gear as reducing gear, makes it not fragile, and its effectiveness is brought into play in maximization again simultaneously.
Preferably, described endoporus is a polygon, and central shaft is corresponding polygon.Such shape helps the cooperation of endoporus and central shaft, the operation after also helping assembling.
Preferably, described toggle is provided with a spring I, and spring I another side is pressed on the casing, and this spline structure can automatically reset push button when conversion, makes the workpiece conversion more efficient.
Owing to adopted described structure, the utility model is simple in structure, is easy to processing, cost is also very low, be fit to produce in enormous quantities, simultaneously casing and tower shell lean on separately back-shaped respective outer side edges together, both can rotate freely by back-shaped structure, make that the speed of awl head conversion is rapider.Location shift fork on the dowel device cooperates with draw-in groove on the tower shell, and alignment pin is inserted in the locating hole of tower shell, makes that the position of conversion back tower shell is very fixing, can not be offset.Long-term use is not fragile yet under abominable situation.Also be provided with toggle on the dowel device, toggle withstands on the central shaft, makes central shaft separate with output shaft when promoting dowel device like this, and a step just can be finished conversion.After converting, dowel device and central shaft reset fast by spring, can make electric drill enter user mode fast like this.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing:
Fig. 1 changes the schematic diagram of locking device fast for a kind of bull electric drill of the utility model working head.
Fig. 2 changes the tower shell generalized section of locking device fast for a kind of bull electric drill of the utility model working head.
Fig. 3 changes the tower shell of locking device and the cooperation schematic diagram of location shift fork fast for a kind of bull electric drill of the utility model working head.
Fig. 4 changes the schematic diagram of locking device location shift fork fast for a kind of bull electric drill of the utility model working head.
The specific embodiment
As Fig. 1, Fig. 2 and shown in Figure 3, a kind of bull electric drill working head is changed locking device fast, usually be installed in the bull electric drill, described bull electric drill comprises casing 1, casing 1 front end is equipped with tower shell 11, casing 1 leans on back-shaped respective outer side edges together with tower shell 11, each conversion work parts 12 are housed on the tower shell 11 successively, be equipped with central shaft 121 in each conversion work parts 12, it is characterized in that: casing 1 is provided with dowel device 2 with tower shell 11 junctions, dowel device 2 comprises and is contained in slide 16 on the casing, push button 17 and alignment pin 19 are fixed on the slide 16, location shift fork 18 on the dowel device 2 cooperates with draw-in groove 111 on the tower shell 11, alignment pin 19 is inserted in the locating hole 112 of tower shell 11, also be provided with toggle 21 on the dowel device 2, toggle 21 withstands on the central shaft 121, described bull electric drill working head is changed locking device fast and is comprised by the fixing gear shaft 14 on the casing 1 of two oiliness bearings 3, at gear shaft 14 1 ends a gear 5 is installed, this gear 5 is meshed with rotor 15 on being installed in casing 1, gear shaft 14 endoporus cooperate with central shaft 121, a spacer pin 6 is arranged in the endoporus of gear shaft 14, spacer pin 6 cooperates with central shaft 121 on one side, fixing with spring 7 on one side, the another side of spring 7 has a catch 8, and catch 8 is fixing with casing 1.Described draw-in groove 111 is circular, but it is smooth with shift fork 18 junctions, location.Described alignment pin 19 is provided with spring II191.Described gear 5 is an interference fit with cooperating of gear shaft 14.Described gear shaft 14 endoporus are polygon, and central shaft 121 is corresponding polygon.Described toggle 21 is provided with a spring I181, and spring I181 another side is pressed on the casing 1.
When bull electric drill of the present utility model is equipped with in use; open the start-stop and the rotating speed of switch control electric drill earlier; 5 runnings of machine operation driven gear; 14 work of gear 5 driven gear axles; and playing the deceleration effect, gear 5 is an interference fit with cooperating of gear shaft 14, can effectively protect the gear 5 as reducing gear; make it not fragile, its effectiveness is brought into play in maximization again simultaneously.Gear shaft 14 drives central shaft 121 rotations, and generally, we select hexagonal axis as central shaft 121, and such shape helps the cooperation of endoporus and central shaft 121, the operation after also helping assembling.Central shaft 121 cooperates and output shaft 122 or clutch 9 work, drives drill bit and screwdriver at last and revolves that tool is holed and the work of rotary screw.
In the conversion work head, promote push button 17 and in slide 16, carry out displacement, drive toggle 21 and alignment pin 19 and be moved to the left, toggle 21 promotes central shaft 121 and is moved to the left, and spring I181 is compressed.Make central shaft 121 break away from output shaft 122 and clutch 9, spring 7 also is pressed on the catch 8.Location shift fork 18 moves thereupon, and and tower shell 11 on draw-in groove 111 break away from, alignment pin 19 leaves in the locating hole 112 of tower shell 11 simultaneously.At this moment the limiting mechanism of tower shell 11 is all opened, and tower shell 11 can carry out the conversion of workpiece 12 by back-shaped structure rotation.
After converting, unclamp push button 17, lean on slide 16 and spring I181 toggle 21 and alignment pin 19 automatic pushed home, alignment pin 19 is gone in the locating hole 112 of tower shell 11, alignment pin 19 is provided with spring II191, and it is more accurate to make when inserting, and can not cause damage to locating hole 112.On location shift fork 18 and the tower shell 11 draw-in groove 111 cooperates, described draw-in groove 111 be circular, but itself and shift fork 18 junctions, location are smooth, therefore tower shell 11 just can not rotate freely and alignment pin 19 together plays the effect that locks tower shell 11 after the cooperation.Spring in the gear shaft 14 7 promotion central shafts 121 move at this moment, central shaft 121 connects output shaft 122 and clutch 9 once more, make central shaft 121 and output shaft 122 and clutch 9 be in the state that to work, and be complementary with the workpiece 12 interior tool axles 10 that revolve.So just finished the work of quick conversion.
Claims (6)
1. a bull electric drill working head is changed locking device fast, usually be installed in the bull electric drill, described bull electric drill comprises casing (1), casing (1) front end is equipped with tower shell (11), casing (1) leans on back-shaped respective outer side edges together with tower shell (11), each conversion work parts (12) are housed on the tower shell (11) successively, be equipped with central shaft (121) in each conversion work parts (12), it is characterized in that: casing (1) is provided with dowel device (2) with tower shell (11) junction, dowel device (2) comprises and is contained in a slide (16) on the casing, push button (17) and alignment pin (19) are fixed on the slide (16), location shift fork (18) on the dowel device (2) cooperates with draw-in groove (111) on the tower shell (11), alignment pin (19) is inserted in the locating hole (112) of tower shell (11), also be provided with toggle (21) on the dowel device (2), toggle (21) withstands on the central shaft (121), described bull electric drill working head is changed locking device fast and is comprised by the fixing gear shaft (14) on the casing (1) of two oiliness bearings (3), at gear shaft (14) one ends a gear (5) is installed, this gear (5) is meshed with rotor (15) on being installed in casing (1), gear shaft (14) endoporus cooperates with central shaft (121), a spacer pin (6) is arranged in the endoporus of gear shaft (14), spacer pin (6) cooperates with central shaft (121) on one side, fixing with spring (7) on one side, the another side of spring (7) has a catch (8), and catch (8) is fixing with casing (1).
2. a kind of bull electric drill working head according to claim 1 is changed locking device fast, it is characterized in that: described draw-in groove (111) is for circular, but it is smooth with shift fork (18) junction, location.
3. a kind of bull electric drill working head according to claim 1 is changed locking device fast, and it is characterized in that: described alignment pin (19) is provided with spring II (191).
4. a kind of bull electric drill working head according to claim 1 is changed locking device fast, it is characterized in that: described gear (5) is an interference fit with cooperating of gear shaft (14).
5. a kind of bull electric drill working head according to claim 1 is changed locking device fast, it is characterized in that: described gear shaft (14) endoporus is a polygon, and central shaft (121) is corresponding polygon.
6. a kind of bull electric drill working head according to claim 1 is changed locking device fast, and it is characterized in that: described toggle (21) is provided with a spring I (181), and spring I (181) another side is pressed on the casing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201142683U CN201086279Y (en) | 2007-09-07 | 2007-09-07 | Quick switching locking device for multi-headed electro drill head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201142683U CN201086279Y (en) | 2007-09-07 | 2007-09-07 | Quick switching locking device for multi-headed electro drill head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201086279Y true CN201086279Y (en) | 2008-07-16 |
Family
ID=39633869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201142683U Expired - Lifetime CN201086279Y (en) | 2007-09-07 | 2007-09-07 | Quick switching locking device for multi-headed electro drill head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201086279Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102205434A (en) * | 2010-03-29 | 2011-10-05 | 陈肇和 | Rocker type telescopic positioning locking mechanism for charging gun drill with drilling tool switching device |
| CN102205435A (en) * | 2010-03-29 | 2011-10-05 | 陈肇和 | Rocker type telescopic positioning locking mechanism for alternating drill gun with drill switching device |
| CN102328303A (en) * | 2011-08-17 | 2012-01-25 | 王凤彦 | Auxiliary tool combining blind rivet and drilling functions |
| CN104339328A (en) * | 2013-07-24 | 2015-02-11 | 苏州宝时得电动工具有限公司 | Multi-head electric tool |
| CN105033348A (en) * | 2015-08-28 | 2015-11-11 | 弘大集团有限公司 | Fast locking device for machine head of tube sawing machine |
| CN105598919A (en) * | 2014-09-19 | 2016-05-25 | 苏州宝时得电动工具有限公司 | Handheld power tool |
| WO2016119748A1 (en) * | 2015-01-29 | 2016-08-04 | 苏州宝时得电动工具有限公司 | Hand-held power tool and operating method thereof |
| CN105983946A (en) * | 2014-09-19 | 2016-10-05 | 苏州宝时得电动工具有限公司 | Hand-held power tool and operating method thereof |
| CN107030665A (en) * | 2017-06-13 | 2017-08-11 | 孙景玉 | A kind of multi-functional maintenance unit of electrician's regular maintenance |
| CN107225266A (en) * | 2013-08-28 | 2017-10-03 | 苏州宝时得电动工具有限公司 | The operating method of power tool and its quick locking and release workpiece |
-
2007
- 2007-09-07 CN CNU2007201142683U patent/CN201086279Y/en not_active Expired - Lifetime
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102205434A (en) * | 2010-03-29 | 2011-10-05 | 陈肇和 | Rocker type telescopic positioning locking mechanism for charging gun drill with drilling tool switching device |
| CN102205435A (en) * | 2010-03-29 | 2011-10-05 | 陈肇和 | Rocker type telescopic positioning locking mechanism for alternating drill gun with drill switching device |
| CN102328303A (en) * | 2011-08-17 | 2012-01-25 | 王凤彦 | Auxiliary tool combining blind rivet and drilling functions |
| CN102328303B (en) * | 2011-08-17 | 2014-02-26 | 王凤彦 | Auxiliary tool combining blind rivet and drilling functions |
| CN104339328A (en) * | 2013-07-24 | 2015-02-11 | 苏州宝时得电动工具有限公司 | Multi-head electric tool |
| CN107225266A (en) * | 2013-08-28 | 2017-10-03 | 苏州宝时得电动工具有限公司 | The operating method of power tool and its quick locking and release workpiece |
| CN105598919A (en) * | 2014-09-19 | 2016-05-25 | 苏州宝时得电动工具有限公司 | Handheld power tool |
| CN105983946A (en) * | 2014-09-19 | 2016-10-05 | 苏州宝时得电动工具有限公司 | Hand-held power tool and operating method thereof |
| WO2016119748A1 (en) * | 2015-01-29 | 2016-08-04 | 苏州宝时得电动工具有限公司 | Hand-held power tool and operating method thereof |
| CN105835009A (en) * | 2015-01-29 | 2016-08-10 | 苏州宝时得电动工具有限公司 | Handheld power tool and operation method thereof |
| US10682750B2 (en) | 2015-01-29 | 2020-06-16 | Positec Power Tools (Suzhou) Co., Ltd. | Hand-held power tool and operating method thereof |
| CN105033348B (en) * | 2015-08-28 | 2017-05-10 | 弘大集团有限公司 | Fast locking device for machine head of tube sawing machine |
| CN105033348A (en) * | 2015-08-28 | 2015-11-11 | 弘大集团有限公司 | Fast locking device for machine head of tube sawing machine |
| CN107030665A (en) * | 2017-06-13 | 2017-08-11 | 孙景玉 | A kind of multi-functional maintenance unit of electrician's regular maintenance |
| CN107030665B (en) * | 2017-06-13 | 2019-07-12 | 烟台三新新能源科技有限公司 | A kind of multi-functional maintenance unit of electrician's daily maintenance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhejiang Tongda Electrical Appliance Co., Ltd. Assignor: Zhang Qinye Contract fulfillment period: 2009.7.1 to 2015.11.1 Contract record no.: 2009330002030 Denomination of utility model: Quick switching locking device for multi-headed electro drill head Granted publication date: 20080716 License type: Exclusive license Record date: 20090818 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.7.1 TO 2015.11.1; CHANGE OF CONTRACT Name of requester: ZHEJIANG TONGDA ELECTRICAL APPLIANCE CO.,LTD. Effective date: 20090818 |
|
| CX01 | Expiry of patent term |
Granted publication date: 20080716 |
|
| CX01 | Expiry of patent term |