CN205289837U - Sustainable power supply electric hand drill - Google Patents
Sustainable power supply electric hand drill Download PDFInfo
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- CN205289837U CN205289837U CN201521013492.4U CN201521013492U CN205289837U CN 205289837 U CN205289837 U CN 205289837U CN 201521013492 U CN201521013492 U CN 201521013492U CN 205289837 U CN205289837 U CN 205289837U
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- battery
- pole
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- coil
- power supply
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Abstract
The utility model relates to a sustainable power supply electric hand drill, including the electric drill main part, the supply the battery case of electric drill main part power, and close absolutely the electric drill main part with the master switch that the electricity is connected between the battery case, its characterized in that: be provided with battery commonly used and backup battery in the battery case, the electric drill still includes auto -change over device, auto -change over device allows battery commonly used with among the backup battery one with electric drill main part electricity is connected. Through auto -change over device's setting, can realize under electric hand drill operating condition that when battery power commonly used was not enough, can be automatically quick switching used backup battery to proceed work, has solved the trouble problem of backup battery of using instead, avoided the battery not enough and potential safety hazard of production suddenly simultaneously.
Description
Technical field
This utility model relates to electric tool technical field, is specifically related to a kind of electric hand drill.
Background technology
The boring bar tool that electric hand drill is exactly is power with alternating current power supply or dc-battery, is the one of hand held electric tool. Electric hand drill is the most salable product of Power Tools Industries, is widely used in building, finishing, general furniture etc. industry, for perforate on object or pierce object. Existing electric hand drill, has number of different types through development, wherein has a kind of electric hand drill to be furnished with rechargeable battery, can within a certain period of time, normal operation when without external power supply. The electric hand drill of the type is generally adopted 12V powered by direct current.
But, the charged battery capacity in the electric hand drill of the type is limited, and easily electricity is not enough after a period of operation, and under especially in working order, unexpected electricity is not enough, can cause that drill speed declines, it is possible to cause security incident. Out of doors, reserve battery can only be changed during electricity deficiency, but it is often cumbersome to change reserve battery.
Therefore, how keeping the electric hand drill continued power being furnished with rechargeable battery is those skilled in the art's problems urgently to be resolved hurrily.
Utility model content
Main purpose of the present utility model is in that to provide the purpose of this utility model to be in that to provide one can automatically switch reserve battery and safe and reliable sustainable power supply electric hand drill.
For reaching object above, the technical solution adopted in the utility model is: a kind of sustainable power supply electric hand drill, including drill body, supply the battery case of described drill body power supply, and the main switch of electrical connection between the described drill body of disconnected conjunction and described battery case, it is characterized in that: in described battery case, be provided with conventional battery and reserve battery, described electric drill also includes switching device, and described switching device allows one in described conventional battery and described reserve battery to electrically connect with described drill body; Described switching device includes turntable, rotating switch, connection pole, conventional pole, alternate polarities, conventional coil, spare coil and rotation jump ring; Described main switch includes button and tooth bar, and described tooth bar offers circular groove; Described rotating switch includes rotating gear, is fastened on the rotating shaft of described rotation gear centre, and center is connected to the connecting rod in described rotating shaft, and is arranged on the magnetic pole at described connecting rod two ends;Two ends, described connection pole are respectively arranged with conventional iron core and standby ferrum core; Described rotating switch is rotatably connected on described turntable, described tooth bar is meshed with described rotation gear, described rotating switch can rotate along with the translation of described main switch, the described magnetic pole making one end is connected pole electrical connection with described, the magnetic pole of the other end electrically connects with described conventional pole or described alternate polarities, and when described turning gear wheel is positioned at described circular groove place, described rotation gear separates with described tooth bar; Being provided with rotation jump ring between described rotating switch and described turntable, described rotation jump ring can order about the described magnetic pole of the other end and electrically connect with described alternate polarities; Described connection pole, a pole electrical connection identical with described conventional battery and described reserve battery Semi-polarity, described conventional coil is set on described conventional iron core, described conventional coil one end electrically connects with described conventional pole, the described conventional coil other end electrically connects with another pole of described conventional battery, described spare coil is set on described standby iron core, and described spare coil one end electrically connects with described alternate polarities, and the described spare coil other end electrically connects with another pole of described reserve battery. Pass through said structure:
Under electric drill off working state, main switch ejects, holding circuit off-state, and tooth bar front end is engaged with rotating gear, and rotating switch is under the effect rotating jump ring moment of torsion, and maintenance one end magnetic pole electrically connects with being connected pole, and other end magnetic pole electrically connects with alternate polarities, when pressing main switch, rotating switch rotates along with the translation of main switch, when rotating switch is in circular groove position, one end magnetic pole of rotating switch electrically connects with being connected pole, other end magnetic pole electrically connects with conventional pole, now circuit communication, due to circuit communication, conventional coil coordinates with conventional iron core can form electric magnet, between this electric magnet and magnetic pole attractive, design this captivation more than rotating the moment of torsion that jump ring produces, when tooth bar no longer engages with rotation gear, rotating switch electrical connection is kept to connect pole and conventional pole under the effect of captivation, when conventional battery electric quantity deficiency, the electric magnet magnetic field intensity that conventional coil and conventional iron core cooperatively form reduces, cause that captivation reduces, when captivation is less than the moment of torsion of rotation jump ring, rotating switch rotates, magnetic pole departs from and connects pole and conventional pole, now circuit disconnects, under the effect rotating jump ring, rotating switch quick rotation, until rotating switch electrical connection connects pole and alternate polarities, now circuit connects again, spare coil and standby iron core form electric magnet, and this electric magnet makes connection more closely reliable.
As improvement, peripherally disposed outside described rotating shaft have wedge fixture block, peripherally disposed inside described rotation gear have the wedge draw-in groove corresponding with described wedge fixture block, described wedge fixture block and described wedge card slot fit make described rotation gear and described rotating shaft mutually be connected together when rotating in one direction, when described rotation gear and described rotating shaft when rotating along another direction described rotation gear and described rotating shaft relatively rotate. When main switch is pressed, rotate gear and rotate together with said structure with rotating shaft, when main switch ejects, rotate gear cooperating teeth bar to rotate, and rotating shaft does not rotate, and ensures when main switch ejects by said process, rotating switch connects alternate polarities all the time, improves the reasonability of structure.
As preferably, described connection pole, it is connected with the positive electrical of described conventional battery and described reserve battery, the described conventional coil other end electrically connects with described conventional battery cathode, and the described standby sheet coil other end is connected with described reserve battery negative electricity. This is the design custom of a kind of routine.
As preferably, described wedge fixture block is hollow structure inside. When making rotating shaft and rotation gear rotate, rotate more smooth.
Compared with prior art, the utility model has the advantage of: by the setting of switching device, can be implemented under electric hand drill duty, when conventional battery electric quantity deficiency, automatically can quickly switch use reserve battery and proceed work, solve and use the troublesome problem of reserve battery instead, avoid that battery is not enough suddenly and the potential safety hazard that produces simultaneously.
Accompanying drawing explanation
Fig. 1 is the perspective view of this utility model embodiment;
Fig. 2 is the decomposing state perspective view of this utility model embodiment;
Fig. 3 is the decomposing state perspective view of main switch and switching device in this utility model embodiment;
Fig. 4 is the decomposing state perspective view of rotating switch in this utility model embodiment;
Fig. 5 is the partial enlarged view at A place in this utility model embodiment Fig. 4;
Fig. 6 is the electric connection structure schematic diagram of this utility model embodiment;
Fig. 7 is the circuit diagram of this utility model embodiment;
Fig. 8 is the internal structure schematic diagram of this utility model embodiment;
Fig. 9 is the partial enlarged view at B place in this utility model embodiment Fig. 8, Fig. 9 or the structural representation of main switch and switching device under this utility model embodiment off working state;
Figure 10 is that this utility model embodiment connects the structural representation of main switch and switching device under conventional battery;
Figure 11 is that this utility model embodiment connects the structural representation of main switch and switching device under reserve battery.
Detailed description of the invention
It is described below for disclosing this utility model so that those skilled in the art are capable of this utility model. Preferred embodiment in being described below is only used as citing, it may occur to persons skilled in the art that other apparent modification.
As shown in Fig. 1��11, the sustainable power supply electric hand drill of the present embodiment, including drill body 1, the battery case 2 of supply drill body power supply, and the disconnected main switch 4 closing electrical connection between drill body and battery case and switching device 5, electric drill this internal have motor M. Wherein, arranging battery 3 in battery case, battery includes conventional battery 31 and reserve battery 32, and switching device 5 allows one in conventional battery 31 and reserve battery 32 to electrically connect with drill body 1; Switching device includes turntable 51, rotating switch 52, connection pole 53, conventional pole 54, alternate polarities 55, conventional coil 56, spare coil 57 and rotates jump ring 58; Main switch 4 includes button 41 and tooth bar 42, and tooth bar offers circular groove 43; Rotating switch 52 includes rotating gear 521, is fastened on the rotating shaft 522 rotating gear centre, and center is connected to the connecting rod 523 in rotating shaft, and is arranged on the magnetic pole 524 at connecting rod two ends; Connect two ends, pole and be respectively arranged with conventional iron core 531 and standby iron core 532.
Its fit system is as follows: rotating switch 52 is rotatably connected on turntable 51, tooth bar 42 is meshed with rotating gear 521, rotating switch 52 can rotate along with the translation of main switch 4, the magnetic pole 524 making one end electrically connects with being connected pole 53, the magnetic pole 524 of the other end electrically connects with conventional pole 54 or alternate polarities 55, rotates rotation gear 521 when gear 521 is positioned at circular groove place 43 and separates with tooth bar 42;Being provided with rotation jump ring 58 between rotating switch 52 and turntable 51, rotation jump ring 58 can order about the magnetic pole 524 of the other end and electrically connect with alternate polarities 55; Connect pole 53, a pole electrical connection identical with conventional battery 31 and reserve battery 32 Semi-polarity, conventional coil 56 is set on conventional iron core 531, conventional coil 56 one end electrically connects with conventional pole 54, conventional coil 56 other end electrically connects with another pole of conventional battery 31, siding snare 57 is located on standby iron core 532, and spare coil 57 one end electrically connects with alternate polarities 55, and spare coil 57 other end electrically connects with another pole of reserve battery 32.
In order to more optimize structure, peripherally disposed outside rotating shaft 522 have wedge fixture block 522a, peripherally disposed inside rotation gear 521 have the wedge draw-in groove 521a corresponding with wedge fixture block, wedge fixture block 522a and wedge draw-in groove 521a coordinates makes rotation gear 521 and rotating shaft 522 mutually be connected together when rotating in one direction, rotates gear 521 when rotating gear 521 and rotating shaft 522 rotates along another direction and rotating shaft 522 relatively rotates. Wherein wedge fixture block 522a is hollow structure inside.
Connecting pole 53 in the present embodiment, be connected with the positive electrical of conventional battery 31 and reserve battery 32, conventional coil 56 other end is connected with conventional battery 31 negative electricity, and spare coil 57 other end electrically connects with reserve battery negative pole 32.
Of the present utility model ultimate principle, principal character and of the present utility model advantage have more than been shown and described. Skilled person will appreciate that of the industry; this utility model is not restricted to the described embodiments; simply principle of the present utility model described in above-described embodiment and description; under the premise without departing from this utility model spirit and scope, this utility model also has various changes and modifications, and these changes and improvements both fall within claimed scope of the present utility model. The protection domain that this utility model requires is defined by appending claims and equivalent thereof.
Claims (4)
1. a sustainable power supply electric hand drill, including drill body, supply the battery case of described drill body power supply, and the main switch of electrical connection between the described drill body of disconnected conjunction and described battery case, it is characterized in that: in described battery case, be provided with conventional battery and reserve battery, described electric drill also includes switching device, and described switching device allows one in described conventional battery and described reserve battery to electrically connect with described drill body;
Described switching device includes turntable, rotating switch, connection pole, conventional pole, alternate polarities, conventional coil, spare coil and rotation jump ring; Described main switch includes button and tooth bar, and described tooth bar offers circular groove; Described rotating switch includes rotating gear, is fastened on the rotating shaft of described rotation gear centre, and center is connected to the connecting rod in described rotating shaft, and is arranged on the magnetic pole at described connecting rod two ends; Two ends, described connection pole are respectively arranged with conventional iron core and standby ferrum core;
Described rotating switch is rotatably connected on described turntable, described tooth bar is meshed with described rotation gear, described rotating switch can rotate along with the translation of described main switch, the described magnetic pole making one end is connected pole electrical connection with described, the magnetic pole of the other end electrically connects with described conventional pole or described alternate polarities, and when described turning gear wheel is positioned at described circular groove place, described rotation gear separates with described tooth bar; Being provided with rotation jump ring between described rotating switch and described turntable, described rotation jump ring can order about the described magnetic pole of the other end and electrically connect with described alternate polarities; Described connection pole, a pole electrical connection identical with described conventional battery and described reserve battery Semi-polarity, described conventional coil is set on described conventional iron core, described conventional coil one end electrically connects with described conventional pole, the described conventional coil other end electrically connects with another pole of described conventional battery, described spare coil is set on described standby iron core, and described spare coil one end electrically connects with described alternate polarities, and the described spare coil other end electrically connects with another pole of described reserve battery.
2. the sustainable power supply electric hand drill of one according to claim 1, it is characterized in that: peripherally disposed outside described rotating shaft have wedge shape fixture block, peripherally disposed inside described rotation gear have the wedge shape draw-in groove corresponding with described wedge shape fixture block, described wedge shape fixture block and described wedge-shaped card slot fit make described rotation gear and described rotating shaft mutually be connected together when rotating in one direction, when described rotation gear and described rotating shaft when rotating along another direction described rotation gear and described rotating shaft relatively rotate.
3. the sustainable power supply electric hand drill of one according to claim 1, it is characterized in that: described connection pole, it is connected with the positive electrical of described conventional battery and described reserve battery, the described conventional coil other end electrically connects with described conventional battery cathode, and the described spare coil other end is connected with described reserve battery negative electricity.
4. the sustainable power supply electric hand drill of one according to claim 2, it is characterised in that: described wedge shape fixture block is hollow structure inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521013492.4U CN205289837U (en) | 2015-12-05 | 2015-12-05 | Sustainable power supply electric hand drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521013492.4U CN205289837U (en) | 2015-12-05 | 2015-12-05 | Sustainable power supply electric hand drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205289837U true CN205289837U (en) | 2016-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521013492.4U Expired - Fee Related CN205289837U (en) | 2015-12-05 | 2015-12-05 | Sustainable power supply electric hand drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205289837U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112857316A (en) * | 2019-11-26 | 2021-05-28 | 意法半导体股份有限公司 | Smart button device using MEMS sensor |
| US11656071B2 (en) | 2020-05-05 | 2023-05-23 | Stmicroelectronics S.R.L. | Electronic apparatus control method performed through lid angle calculation, electronic apparatus thereof and software product |
| US12007237B2 (en) | 2020-05-05 | 2024-06-11 | Stmicroelectronics S.R.L. | Electronic apparatus control method performed through lid angle calculation, electronic apparatus thereof and software product |
-
2015
- 2015-12-05 CN CN201521013492.4U patent/CN205289837U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112857316A (en) * | 2019-11-26 | 2021-05-28 | 意法半导体股份有限公司 | Smart button device using MEMS sensor |
| US11407098B2 (en) | 2019-11-26 | 2022-08-09 | Stmicroelectronics S.R.L. | Smart push button device utilizing MEMS sensors |
| CN112857316B (en) * | 2019-11-26 | 2023-06-13 | 意法半导体股份有限公司 | Intelligent button device using MEMS sensor |
| US11656071B2 (en) | 2020-05-05 | 2023-05-23 | Stmicroelectronics S.R.L. | Electronic apparatus control method performed through lid angle calculation, electronic apparatus thereof and software product |
| US12007237B2 (en) | 2020-05-05 | 2024-06-11 | Stmicroelectronics S.R.L. | Electronic apparatus control method performed through lid angle calculation, electronic apparatus thereof and software product |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: WENZHOU DUNHE ELECTRONIC TECHNOLOGY CO., LTD. Document name: Notification to Pay the Fees |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160608 Termination date: 20161205 |