CN103707250B - Electric screwdriver - Google Patents
Electric screwdriver Download PDFInfo
- Publication number
- CN103707250B CN103707250B CN201310705122.6A CN201310705122A CN103707250B CN 103707250 B CN103707250 B CN 103707250B CN 201310705122 A CN201310705122 A CN 201310705122A CN 103707250 B CN103707250 B CN 103707250B
- Authority
- CN
- China
- Prior art keywords
- shell
- battery
- circle
- hood
- tail
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 16
- 229910052802 copper Inorganic materials 0.000 claims description 16
- 239000010949 copper Substances 0.000 claims description 16
- 238000009434 installation Methods 0.000 abstract description 7
- 240000007594 Oryza sativa Species 0.000 abstract 1
- 235000007164 Oryza sativa Nutrition 0.000 abstract 1
- 235000009566 rice Nutrition 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 230000000087 stabilizing effect Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
- B25F5/02—Construction of casings, bodies or handles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Battery Mounting, Suspending (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention discloses a kind of electric screwdriver, it comprises the shell (1) of hollow cylindrical, motor (7), the gear output shaft (2) be connected with motor (7), tail-hood (3), battery (4) and cathode contact sheet (15), described tail-hood (3) is located at shell (1) one end away from gear output shaft (2), the maximum gauge of described shell (1) is 24 bold and unconstrained rice ~ 35 millimeter, it also comprises and to be connected with battery (4) and to be located at the deformed spring (8) in tail-hood (3), one end is connected the battery circle (14) that the other end is connected with cathode contact sheet (15) with deformed spring (8), described tail-hood (3) and shell (1) clamping.The invention provides a kind of easy for installation, can not loose contact be produced and can extend electric screwdriver service life and can at the electric screwdriver of work in narrow space.
Description
Technical field
The present invention relates to field of power tools, especially a kind of electric screwdriver.
Background technology
The installation of the screw on the sophisticated products such as clock and watch, glasses, mobile phone is a kind of very important operation, installs and the bad performance directly affecting product.According to prior art, the installation of the sophisticated product screws such as clock and watch, glasses, mobile phone generally adopts the electric screw driver that battery is housed, the negative pole of battery by tower spring, be arranged on the contact chip in tail-hood and the cathode contact sheet in shell is connected on circuit, this structure has following shortcoming, first: because the contact chip in tail-hood needs to be welded on tower spring, like this, install pretty troublesome, second: welding easily produces loose contact, affects the normal work of electric screwdriver.In addition, two contact chips screw in process at tail-hood, can produce friction, of long duration, two contact chips can produce aging and distortion, and electric screwdriver two contact chips in vibration processes easily disconnect, cause the interruption of electric screwdriver work, reduce the service life of electric screwdriver.
The electric screwdriver of prior art due to volume large, at some small spaces, electric screwdriver cannot enter in it and carry out installation and removal, and is inconvenient to carry.
Summary of the invention
Technical problem to be solved by this invention is: the defect overcoming above prior art, provide a kind of easy for installation, can not loose contact be produced and can extend electric screwdriver service life and can at the electric screwdriver of work in narrow space.
The technical solution used in the present invention is: a kind of electric screwdriver, it comprises the shell of hollow cylindrical, motor, the gear output shaft be connected with motor, tail-hood, battery and cathode contact sheet, described tail-hood is located at shell one end away from gear output shaft, the maximum gauge of described shell is 24 millimeters ~ 35 millimeters, it also comprises and to be connected with battery and to be located at the deformed spring in tail-hood, one end is connected the battery circle that the other end is connected with cathode contact sheet with deformed spring, described deformed spring refers to that outer spring circle and inner spring circle hold together, outer spring circle is divided into large end and small end, the end of inner spring circle and small end are positioned at the two ends of spring, the end of inner spring circle is near large end, described battery circle comprises the kink that copper sheathing body and last point of copper sheathing body top bend outside copper sheathing body, the large end of described deformed spring is against the kink on battery circle, the end of inner spring circle is against the negative pole of battery, small end is connected in tail-hood, the copper sheathing body of described battery circle is established in the enclosure near one end of tail-hood, kink leans against on shell, and described cathode contact sheet is close to the copper sheathing body interior of battery circle, described tail-hood and shell clamping.
After adopting above structure, electric screwdriver of the present invention compared with prior art has the following advantages: the maximum gauge of electric screwdriver is a very little scope, can grasp with a hand and can work in small space, pass through deformed spring, battery circle couples together the negative pole of battery and cathode contact sheet, easy for installation, loose contact can not be produced, fewer than prior art individual contact chip, structure is simple, reliably, electric screwdriver contact chip in vibration processes can not disconnect with spring, be not easy power-off, tail-hood and shell clamping, the friction between battery circle and cathode contact sheet in the process of screwing can be reduced, extend the service life of electric screwdriver.
As preferably, described shell side is provided with the luminous lamp switch for controlling luminous lamp switch and is located at the press button for controlling motor forward and reverse of shell opposite side, luminous lamp switch and press button are arranged on the both sides of shell, such two switches are located at diverse location, can not push the wrong switch in the course of the work.
As preferably, described press button has two buttons, a groove of being separated by between two buttons, touch the button switch time press button can not be pressed down together and cause short circuit.
As preferably, described outer casing end is provided with illuminating lamp near one end of gear output shaft, and illuminating lamp is located near cutter head, when insufficient light, can illuminate place to be processed with illuminating lamp, convenient processing.
As preferably, described gear output shaft is provided with the cutter head groove for installing cutter head, can change different cutter heads at any time, applied range.
Accompanying drawing explanation
Fig. 1 is the perspective view of electric screwdriver of the present invention.
Fig. 2 is the cross-sectional view of electric screwdriver of the present invention.
Fig. 3 is the main TV structure schematic diagram of electric screwdriver of the present invention.
Fig. 4 is the perspective view of electric screwdriver deformed spring of the present invention.
Fig. 5 is the perspective view of electric screwdriver battery circle of the present invention.
Wherein, 1, shell, 2, gear output shaft, 3, tail-hood, 4, battery, 5, wiring board, 6, illuminating lamp, 7, motor, 8, deformed spring, 8.1, hold greatly, 8.2, end, 8.3, small end, 9, copper sheathing body, 10, press button, 11, luminous lamp switch, 12, kink, 13, cutter head groove, 14, battery circle, 15, cathode contact sheet, 16, negative spring, 17, positive strap, the 18, first switch contact, 19, second switch contact chip.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
As shown in the figure, the invention provides a kind of electric screwdriver, it comprises the shell 1 of hollow cylindrical, motor 7, the gear output shaft 2 be connected with motor 7, tail-hood 3, battery 4 and cathode contact sheet 15, described tail-hood 3 is located at shell 1 one end away from gear output shaft 2, the maximum gauge of described shell 1 is 24 millimeters ~ 35 millimeters, it also comprises and to be connected with battery 4 and to be located at the deformed spring 8 in tail-hood 3, one end is connected the battery circle 14 that the other end is connected with cathode contact sheet 15 with deformed spring 8, described tail-hood 3 and shell 1 clamping, described deformed spring 8 refers to that outer spring circle and inner spring circle hold together, outer spring circle is divided into large end 8.1 and small end 8.3, end 8.2 and the small end 8.3 of inner spring circle are positioned at the two ends of spring, the end 8.2 of inner spring circle is near large end 8.1, described battery circle 14 comprises the kink 12 that copper sheathing body 9 and last point of copper sheathing body top bend outside copper sheathing body, the large end 8.1 of described deformed spring 8 is against the kink on battery circle 14, the end 8.2 of inner spring circle is against the negative pole of battery 4, small end 8.3 is connected in tail-hood 3, the copper sheathing body of described battery circle 14 is located at the one end near tail-hood 3 in shell 1, kink 12 leans against on shell 1, the copper sheathing body 9 that described cathode contact sheet 15 is close to battery circle 14 is inner, described shell 1 side is provided with for controlling the luminous lamp switch 11 of illuminating lamp 6 switch and being located at the press button 10 for controlling motor 7 forward and reverse of shell 1 opposite side, described press button 10 there are two buttons, to be separated by between two buttons a groove, described shell 1 end is provided with illuminating lamp 6 near one end of gear output shaft 2, described gear output shaft 2 is provided with the cutter head groove 13 for installing cutter head.
This use invention electric screwdriver compared with prior art has the following advantages: the maximum gauge of electric screwdriver is a very little scope, can grasp with a hand and can work in small space, by deformed spring 8, battery circle 14 couples together the negative pole of battery 4 and cathode contact sheet 15, easy for installation, loose contact can not be produced, fewer than prior art individual contact chip, structure is simple, reliably, electric screwdriver contact chip in vibration processes can not disconnect with spring, be not easy power-off, tail-hood 3 and shell 1 clamping, the friction between battery circle 14 and cathode contact sheet 15 in the process of screwing can be reduced, extend the service life of electric screwdriver.
Specifically, described shell 1 side is provided with for controlling the luminous lamp switch 11 of illuminating lamp 6 switch and being located at the press button 10 for controlling motor 7 forward and reverse of shell 1 opposite side, luminous lamp switch 11 and press button 10 are arranged on the both sides of shell, such two switches are located at diverse location, can not push the wrong switch in the course of the work; Described press button 10 has two buttons, a groove of being separated by between two buttons, touch the button switch 10 time press button 10 can not be pressed down together and cause short circuit; Described shell 1 end is provided with illuminating lamp 6 near one end of gear output shaft 2, and illuminating lamp 6 is located near cutter head, when insufficient light, can illuminate place to be processed with illuminating lamp 6, convenient processing; Described gear output shaft 2 is provided with the cutter head groove 13 for installing cutter head, can change different cutter heads at any time, applied range.
Particularly, the maximum gauge of shell 1 is 24 millimeters ~ 35 millimeters, preferred diameter is 30 millimeters, the position of maximum gauge is at the place being provided with switch, electric screw driver is 10 millimeters ~ 20 millimeters for the local diameter of shaking hands, can hold by one hand, easily, and shell 1 is made up of the housing that two pieces of profiles are symmetrical, shell 1 wraps one deck encapsulate above, with holding at the position being provided with encapsulate, use as snug as a bug in a rug, in tail-hood 3, deformed spring is installed, with the tower spring in flashlight unlike the large one end of diameter near GND, the little one end of diameter is bottom tail-hood 3, structure is simple, save space, cathode contact sheet 15 is stuck in the draw-in groove of shell 1, wiring board 5 is provided with the first switch contact 18 and second switch contact chip 19, wiring board 5 is provided with the circuit of the contrary connection motor 7 of two senses of current, the switch of these two circuit lays respectively at the below of the first switch contact 18 and the second contact chip 19, when pressing the button the left side of switch 10, first switch contact 18 will be incorporated on corresponding circuit, circuit communication, motor 7 rotates forward, when pressing the button the right of switch 10, second switch contact chip 19 will be incorporated on corresponding circuit, circuit communication, motor 7 reverses, the circuit of described illuminating lamp 6 is provided with voltage stabilizing booster circuit, described voltage stabilizing booster circuit comprises and is connected in parallel on electric capacity on circuit and triode, electric capacity plays burning voltage, triode hoists high-tension effect, when motor 7 and illuminating lamp 6 work simultaneously, the brightness of illuminating lamp 6 can not be affected because of the work of motor 7, voltage stabilizing booster circuit both can be located on wiring board 5, also can be located on the wire between illuminating lamp 6 and wiring board 5, , deformed spring 8 is produced by coiling machine, only need that corresponding parameter is set at coiling machine just passable, that those skilled in the art see and just can work it out.
Just preferred embodiment of the present invention is described above, but can not be interpreted as it is limitations on claims.This practicality is carried out and is not only confined to above embodiment; its concrete structure allows to change; also can be lithium battery if battery 4 can be dry cell; can also charging structure be set; can charge to battery, all various changes done in the protection domain of demand for independence of the present invention are all in protection scope of the present invention.
Claims (5)
1. electric screwdriver, it comprises the shell (1) of hollow cylindrical, motor (7), the gear output shaft (2) be connected with motor (7), tail-hood (3), battery (4) and cathode contact sheet (15), described tail-hood (3) is located at shell (1) one end away from gear output shaft (2), it is characterized in that: the maximum gauge of described shell (1) is 24 millimeters ~ 35 millimeters, it also comprises and to be connected with battery (4) and to be located at the deformed spring (8) in tail-hood (3), one end is connected the battery circle (14) that the other end is connected with cathode contact sheet (15) with deformed spring (8), described deformed spring (8) refers to that outer spring circle and inner spring circle hold together, outer spring circle is divided into large end (8.1) and small end (8.3), end (8.2) and the small end (8.3) of inner spring circle are positioned at the two ends of deformed spring (8), the end (8.2) of inner spring circle is near large end (8.1), described battery circle (14) comprises the kink (12) that copper sheathing body (9) and last point of copper sheathing body top bend outside copper sheathing body, the large end (8.1) of described deformed spring (8) is against the kink on battery circle (14), the end (8.2) of inner spring circle is against the negative pole of battery (4), small end (8.3) is connected in tail-hood (3), the copper sheathing body of described battery circle (14) is located at the one end near tail-hood (3) in shell (1), kink (12) leans against on shell (1), and the copper sheathing body (9) that described cathode contact sheet (15) is close to battery circle (14) is inner, described tail-hood (3) and shell (1) clamping.
2. electric screwdriver according to claim 1, is characterized in that: described shell (1) side is provided with the luminous lamp switch (11) for controlling illuminating lamp (6) switch and is located at the press button (10) for controlling motor (7) forward and reverse of shell (1) opposite side.
3. electric screwdriver according to claim 2, is characterized in that: described press button (10) has two buttons, a groove of being separated by between two buttons.
4. electric screwdriver according to claim 1, is characterized in that: described shell (1) end is provided with illuminating lamp (6) near one end of gear output shaft (2).
5. electric screwdriver according to claim 1, is characterized in that: described gear output shaft (2) is provided with the cutter head groove (13) for installing cutter head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310705122.6A CN103707250B (en) | 2013-12-19 | 2013-12-19 | Electric screwdriver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310705122.6A CN103707250B (en) | 2013-12-19 | 2013-12-19 | Electric screwdriver |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103707250A CN103707250A (en) | 2014-04-09 |
| CN103707250B true CN103707250B (en) | 2016-03-09 |
Family
ID=50400789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310705122.6A Active CN103707250B (en) | 2013-12-19 | 2013-12-19 | Electric screwdriver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103707250B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108581913B (en) * | 2018-05-08 | 2022-07-26 | 宁波天和电动工具有限公司 | Electric screwdriver |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4913242A (en) * | 1989-08-07 | 1990-04-03 | Top Driver Enterprise Co., Ltd. | Electric screw driver |
| CN2160507Y (en) * | 1993-04-28 | 1994-04-06 | 丁维扬 | Electric screwdriver |
| CN2365021Y (en) * | 1999-02-25 | 2000-02-23 | 刘国珍 | Storage electric screwdriver with lighting device |
| US6257351B1 (en) * | 1999-06-29 | 2001-07-10 | Microaire Surgical Instruments, Inc. | Powered surgical instrument having locking systems and a clutch mechanism |
| CN201471345U (en) * | 2009-09-04 | 2010-05-19 | 深圳市泰顺友电机电有限公司 | Electric screwdriver |
| CN203592441U (en) * | 2013-12-19 | 2014-05-14 | 宁波甬菲特电子科技有限公司 | Electric screwdriver |
-
2013
- 2013-12-19 CN CN201310705122.6A patent/CN103707250B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4913242A (en) * | 1989-08-07 | 1990-04-03 | Top Driver Enterprise Co., Ltd. | Electric screw driver |
| CN2160507Y (en) * | 1993-04-28 | 1994-04-06 | 丁维扬 | Electric screwdriver |
| CN2365021Y (en) * | 1999-02-25 | 2000-02-23 | 刘国珍 | Storage electric screwdriver with lighting device |
| US6257351B1 (en) * | 1999-06-29 | 2001-07-10 | Microaire Surgical Instruments, Inc. | Powered surgical instrument having locking systems and a clutch mechanism |
| CN201471345U (en) * | 2009-09-04 | 2010-05-19 | 深圳市泰顺友电机电有限公司 | Electric screwdriver |
| CN203592441U (en) * | 2013-12-19 | 2014-05-14 | 宁波甬菲特电子科技有限公司 | Electric screwdriver |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103707250A (en) | 2014-04-09 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |