CN203944871U - A kind of variable-speed electric drill - Google Patents
A kind of variable-speed electric drill Download PDFInfo
- Publication number
- CN203944871U CN203944871U CN201420282663.2U CN201420282663U CN203944871U CN 203944871 U CN203944871 U CN 203944871U CN 201420282663 U CN201420282663 U CN 201420282663U CN 203944871 U CN203944871 U CN 203944871U
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- Prior art keywords
- variable
- output
- frequency motor
- gear
- electric drill
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- Expired - Fee Related
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- 230000001105 regulatory effect Effects 0.000 claims abstract description 4
- 230000000694 effects Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 3
- 230000006698 induction Effects 0.000 description 2
- 238000000137 annealing Methods 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Drilling And Boring (AREA)
Abstract
The utility model relates to a kind of variable-speed electric drill, comprising: housing; Charging assembly, is arranged at the bottom of housing, is connected with power supply; Variable-frequency motor, is arranged in housing, is connected with charging assembly; Switch assembly, is connected with variable-frequency motor, for regulating the output speed of variable-frequency motor; Gear, is connected with the output shaft of variable-frequency motor, will after the output speed speed change of variable-frequency motor, export; Drill chuck, is connected with the output revolving shaft of gear, for clamping buttress thread; Wherein on the output revolving shaft of gear, be also provided with from lock set; From lock set, comprise the power output panel that driven by gear, be fixed on the retainer plate on housing, the self-locking ring coordinating with retainer plate, self-locking ring is set on described output revolving shaft and with described output revolving shaft and is fixedly connected with.The utility model is realized electric drill can carry out rotational speed regulation as required, when realizing good processing effect, can also protect drill bit.
Description
Technical field
The utility model relates to electric drill field, in particular to a kind of variable-speed electric drill.
Background technology
In electric tool, the electric drill boring that is mainly used in burrowing.The Rechargeable electric drill of prior art comprises housing, rechargeable battery, motor, gear housing, output shaft, working head, gear, the place that can make Rechargeable electric drill cannot touch at non-transformer or power supply also can be used, and has expanded the scope of application of electric drill.But existing Rechargeable electric drill in use also has the following disadvantages: the one, can only carry out work with single rotary speed, in actual use, to different processing conditions, the rotary speed requiring is not identical, as process the hole that diameter is less, the working head of High Rotation Speed can reach good processing effect, as process straight through larger hole, the working head of High Rotation Speed can increase the friction of drill bit and workpiece, make electric drill output torque large not, cannot complete the requirement of boring, the heat producing in addition can cause drill bit to occur annealing phenomenon.
Summary of the invention
The present invention aims to provide a kind of easy to operate, safe variable-speed electric drill, to solve Rechargeable electric drill in prior art, can only carry out with single rotary speed the technical problem of work.
The invention provides a kind of variable-speed electric drill, comprising: housing; Charging assembly, is arranged at the bottom of housing, is connected with power supply; Variable-frequency motor, is arranged in housing, is connected with charging assembly; Switch assembly, is connected with variable-frequency motor, for regulating the output speed of variable-frequency motor; Gear, is connected with the output shaft of variable-frequency motor, will after the output speed speed change of variable-frequency motor, export; Drill chuck, is connected with the output shaft of gear, for clamping buttress thread; Wherein on the output shaft of gear, be also provided with from lock set; From lock set, comprise the power output panel that driven by gear, be fixed on the retainer plate on housing, the self-locking ring coordinating with retainer plate, self-locking ring is set on output revolving shaft and with output revolving shaft and is fixedly connected with.
Further, variable-speed electric drill also comprises the moment cover assembly being arranged between gear and drill chuck.
Further, charging assembly also comprises power supply indicator.
Further, variable-frequency motor comprises frequency converter, and switch assembly is controlled frequency converter.
According to variable-speed electric drill of the present utility model; according to the use needs of electric drill; by switch assembly, regulate variable-frequency motor; realize the variation of the output speed of variable-frequency motor; the variation of the rotating speed of the output shaft of the output shaft drive gear of variable-frequency motor; thereby realize electric drill, can regulate by rotating speed as required, when realizing good processing effect, can also protect drill bit.
Accompanying drawing explanation
Fig. 1 shows the perspective view of the variable-speed electric drill of preferred embodiment of the present utility model;
Fig. 2 shows the structural representation from lock set of the present utility model.
Marginal data: 10, housing; 20, charging assembly; 30, variable-frequency motor; 40, switch assembly; 50, gear; 51, output revolving shaft; 60, drill chuck; 70, buttress thread; 80, moment cover assembly; 81, the first moment cover; 82, the second moment cover; 90, from lock set; 91, power output panel; 92, retainer plate; 93, self-locking ring; 94, self-lock pin.
The specific embodiment
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
As shown in Figure 1, specific embodiment of the utility model discloses a kind of variable-speed electric drill, comprising: housing 10; Be arranged at the bottom of housing 10 charging assembly 20 being connected with power supply; Be arranged in housing 10 and the variable-frequency motor 30 being connected with charging assembly 20; Be connected with variable-frequency motor 30, for regulating the switch assembly 40 of the output speed of variable-frequency motor 30; Be connected with the output shaft of variable-frequency motor 30, by the gear 50 of exporting after the output speed speed change of variable-frequency motor 30; And be connected with the output revolving shaft 51 of gear 50, for the drill chuck 60 of clamping buttress thread 70; Wherein on the output revolving shaft 51 of gear 50, be also provided with from lock set 90; Should comprise the power output panel 91 that driven by gear 50, be fixed on the retainer plate 92 on housing 10, the self-locking ring 93 coordinating with retainer plate 92 from lock set 90.According to variable-speed electric drill of the present utility model; according to the use needs of electric drill; by switch assembly 40, regulate variable-frequency motor 30; realize the variation of the output speed of variable-frequency motor 30; the variation of the rotating speed of the output revolving shaft 51 of the output shaft drive gear 50 of variable-frequency motor 30; thereby realize electric drill, can regulate by rotating speed as required, when realizing good processing effect, can also protect drill bit.
Particularly, referring to Fig. 1, variable-speed electric drill comprises housing 10, charging assembly 20, variable-frequency motor 30, switch assembly 40, gear 50 and drill chuck 60.Charging assembly 20 is arranged at the bottom of housing 10, and charging assembly 20 comprises the plug being connected with power supply and the power brick being electrically connected to plug, to electric drill, work provides sustainable power supply.Charging assembly 20 can be and fills soon charging assembly 20 and also can be trickle charge charging assembly 20, to meet the charging demand of electric drill.Variable-frequency motor 30 is arranged in housing 10, to protect variable-frequency motors 30 by housing 10.Variable-frequency motor 30 comprises frequency converter and variable frequency induction motor, and when the frequency change of frequency converter, the output speed of variable frequency induction motor also and then changes.In the present embodiment, in order to realize the rotation speed change of variable-frequency motor 30, switch assembly 40 is connected with frequency converter, to control the frequency of frequency converter by switch assembly 40.Switch assembly 40 comprises a plurality of buttons that are arranged on housing 10, and a plurality of buttons are all connected with frequency converter, and the frequency of the corresponding frequency converter of each button; Press the button, variable-frequency motor 30 is exportable corresponding rotating speed.The button of switch assembly 40 can be set to two, more than three or three, can thereby realize electric drill, can regulate by rotating speed as required according to the demand setting of electric drill, when realizing good processing effect, can also protect drill bit.Gear 50 is connected with the output shaft of variable-frequency motor 30, and when the output speed of variable-frequency motor 30 changes, the output speed of the output revolving shaft 51 of gear 50 also and then changes.Drill chuck 60 is connected with the output revolving shaft 51 of gear 50, for clamping buttress thread 70.
Further, variable-speed electric drill also comprises the moment cover assembly 80 being arranged between gear 50 and drill chuck 60, can realize the adjusting of moment when protecting electric drill.Moment cover assembly 80 comprise the first moment cover 81 of being fixedly connected with drill chuck 60 and with second moment cover 82, the second moments covers 82 of the first moment cover 81 by clamping in be provided with moment and overlap inner ring.
Further, charging assembly 20 also comprises power supply indicator, and power supply indicator is arranged on housing 10.When power supply is connected with charging assembly 20, power supply indicator is bright; When power supply and charging assembly 20 disconnection, power supply indicator does not work.
Incorporated by reference to referring to Fig. 2, further, on the output revolving shaft 51 of gear 50, be also provided with from lock set 90.Particularly, should comprise the power output panel 91 that driven by gear 50, be fixed on the retainer plate 92 on housing 10, the self-locking ring 93 coordinating with retainer plate 92 from lock set 90.The first end of power output panel 91 is connected with gear 50, and the second end is sheathed in static retainer plate 92.In order to realize self-locking, the second end of power output panel 91 becomes circular, and is provided with a plurality of projections along the even circumferential of power output panel 91.Self-locking ring 93 is set on output revolving shaft 51 and with output revolving shaft 51 and is fixedly connected with, and the outer peripheral edges of self-locking ring 93 are provided with the mounting groove of the projection insertion making on power output panel 91, and self-lock pin 94 is movably placed between two adjacent projections of power output panel 91.When electric drill does not rotate, from lock set 90, there is no auto-lock function, now power output panel 91 Dandong self-locking rings 93 rotate, and self-locking ring 93 drives output revolving shaft 51 to rotate, output revolving shaft 51 output torques.When electric drill does not rotate, from lock set 90, realize auto-lock function, the output revolving shaft 51 of gear 50 is stopped operating.
As can be seen from the above description, the utility model the above embodiments have realized following technique effect:
According to variable-speed electric drill of the present utility model; according to the use needs of electric drill; by switch assembly 40, regulate variable-frequency motor 30; realize the variation of the output speed of variable-frequency motor 30; the variation of the rotating speed of the output revolving shaft 51 of the output shaft drive gear 50 of variable-frequency motor 30; thereby realize electric drill, can regulate by rotating speed as required, when realizing good processing effect, can also protect drill bit.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (4)
1. a variable-speed electric drill, comprising:
Housing;
Charging assembly, is arranged at the bottom of described housing, is connected with power supply;
Variable-frequency motor, is arranged in described housing, is connected with described charging assembly;
Switch assembly, is connected with described variable-frequency motor, for regulating the output speed of described variable-frequency motor;
Gear, is connected with the output shaft of described variable-frequency motor, will after the output speed speed change of described variable-frequency motor, export;
Drill chuck, is connected with the output revolving shaft of described gear, for clamping buttress thread; Wherein
On the output revolving shaft of described gear, be also provided with from lock set;
Described from lock set comprise the power output panel that driven by described gear, be fixed on retainer plate on described housing, with the self-locking ring that described retainer plate coordinates, described self-locking ring is set on described output revolving shaft and with described output revolving shaft and is fixedly connected with.
2. variable-speed electric drill according to claim 1, is characterized in that,
Described variable-speed electric drill also comprises the moment cover assembly being arranged between described gear and described drill chuck.
3. variable-speed electric drill according to claim 1, is characterized in that,
Described charging assembly also comprises power supply indicator.
4. variable-speed electric drill according to claim 1, is characterized in that,
Described variable-frequency motor comprises frequency converter, and described switch assembly is controlled described frequency converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420282663.2U CN203944871U (en) | 2014-05-28 | 2014-05-28 | A kind of variable-speed electric drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420282663.2U CN203944871U (en) | 2014-05-28 | 2014-05-28 | A kind of variable-speed electric drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203944871U true CN203944871U (en) | 2014-11-19 |
Family
ID=51886930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420282663.2U Expired - Fee Related CN203944871U (en) | 2014-05-28 | 2014-05-28 | A kind of variable-speed electric drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203944871U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105772799A (en) * | 2014-12-23 | 2016-07-20 | 苏州宝时得电动工具有限公司 | Gun drill and mode switching mechanism thereof |
-
2014
- 2014-05-28 CN CN201420282663.2U patent/CN203944871U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105772799A (en) * | 2014-12-23 | 2016-07-20 | 苏州宝时得电动工具有限公司 | Gun drill and mode switching mechanism thereof |
| CN105772799B (en) * | 2014-12-23 | 2017-12-29 | 苏州宝时得电动工具有限公司 | Drill gun and its pattern switching mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 315145 Zhejiang city of Ningbo province Yinzhou District Binhai Investment Center East Yin Road No. 188 Patentee after: Zhejiang Minglei lithium energy technology Co.,Ltd. Address before: 315145 Zhejiang city of Ningbo province Yinzhou District Binhai Investment Center East Yin Road No. 188 Patentee before: ZHEJIANG MINGLEI TOOLS INDUSTRY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141119 |