CN206795748U - Electric tool - Google Patents
Electric tool Download PDFInfo
- Publication number
- CN206795748U CN206795748U CN201720376356.4U CN201720376356U CN206795748U CN 206795748 U CN206795748 U CN 206795748U CN 201720376356 U CN201720376356 U CN 201720376356U CN 206795748 U CN206795748 U CN 206795748U
- Authority
- CN
- China
- Prior art keywords
- motor
- circuit board
- electric
- connection terminal
- main circuit
- 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.)
- Expired - Fee Related
Links
- 238000005286 illumination Methods 0.000 claims description 17
- 230000005540 biological transmission Effects 0.000 claims description 16
- 230000004308 accommodation Effects 0.000 claims 3
- 238000006073 displacement reaction Methods 0.000 abstract description 6
- 238000004804 winding Methods 0.000 abstract description 6
- 230000005611 electricity Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Portable Power Tools In General (AREA)
Abstract
The utility model discloses a kind of electric tool, including：Motor, housing, main circuit board, output shaft, electric elements, auxiliary circuit board, the first wire and the second wire；Motor includes motor shaft, housing includes being used for the receiving portion for accommodating motor, main circuit board is electrically connected with motor so that electric energy is transferred into motor, output shaft is motor driven to be rotated around first axle, main circuit board is arranged in housing, auxiliary circuit board carries the first electric connection terminal and the second electric connection terminal being electrically connected with the first electric connection terminal, the printed wire of the first electric connection terminal of connection and the second electric connection terminal is also printed with auxiliary circuit board, first wire connects main circuit board and the first electric connection terminal, second wire connects the second electric connection terminal and electric elements.The electric tool winding displacement is simple.
Description
Technical field
It the utility model is related to a kind of electric tool, and in particular to a kind of electric tool of hand-held.
Background technology
The electric tool of the hand-held of screwdriver, electric drill, electric hammer etc., it will usually including housing, motor, output shaft,
Main circuit board and power supply, wherein, main circuit board is used to power to motor and be controlled motor.And in order to realize illumination,
Extra function, the electric tools such as speed regulation, commutation are adjusted, electricity is shown will also include for realizing the other of function above
Electric elements.
In the prior art, in order to give these electric elements power supply, it usually needs very long lead is drawn from main circuit board
Line is connected to electric elements to be powered to electric elements, but the wire so in housing is excessive, long, causes winding displacement complicated.
Utility model content
To solve the deficiencies in the prior art, the purpose of this utility model is to provide a kind of winding displacement simple electric tool.
In order to realize above-mentioned target, the utility model adopts the following technical scheme that：
A kind of electric tool, including：Motor, housing, main circuit board, output shaft, electric elements, auxiliary circuit board, first
Wire and the second wire；Motor includes motor shaft, and housing includes being used for the receiving portion for accommodating motor, and main circuit board is electrical with motor
Connection by electric energy to be transferred to motor, and output shaft is motor driven to be rotated around first axle, and main circuit board is arranged in housing, auxiliary
Circuit board bearing is helped to have the first electric connection terminal and the second electric connection terminal being electrically connected with the first electric connection terminal, auxiliary electricity
The printed wire of the first electric connection terminal of connection and the second electric connection terminal, the first wire connection main circuit are also printed with the plate of road
Plate and the first electric connection terminal, the second wire connect the second electric connection terminal and electric elements.
Further, the number of electric elements is two or more.
Further, electric elements are illumination component for illumination, and illumination component is arranged on housing along first axle
At the front end further from motor on direction；Along along the direction perpendicular to first axle, illumination component and main circuit board are distinguished
It is arranged on the both sides of motor.
Further, housing is symmetrical on a split, along parallel to split and perpendicular to the side of first axle
Upwards, electric elements and main circuit board are separately positioned on the both sides of motor.
Further, housing also includes：For the handle portion gripped for user；Main circuit board is at least partially disposed in handle
In portion；Electric elements are attached to receiving portion.
Further, auxiliary circuit board is arranged in receiving portion and between motor and output shaft.
Further, auxiliary circuit board extends in a plane perpendicular to first axle, and auxiliary circuit board is also formed
Have for so that the through hole that the motor shaft of motor passes through.
Further, auxiliary circuit board is the hall circuitboard for being fixedly installed to motor.
Further, motor is thoughts brushless electric machine, and motor includes rotor and stator, is additionally provided with and is used on auxiliary circuit board
Detect the Hall sensor of the position of rotor.
Further, electric tool also includes：The transmission component being arranged in receiving portion；In the direction along first axle
On, transmission component is arranged between motor and output shaft；Housing is symmetrical on a split, and electric elements and main circuit board exist
Projection on split is located at the both sides of projection of the motor on split respectively.
It is of the present utility model to be beneficial in that：By the first wire connect the first electric connection terminal and main circuit board and
Second wire connects the second electric connection terminal and electric elements, can shorten the length of wire and reduce the number of wire, so as to
Enable to winding displacement simple.
Brief description of the drawings
Fig. 1 is the stereogram of electric tool；
Fig. 2 is the internal view of the electric tool in Fig. 1；
Fig. 3 is the plan of housing inner portion structure in Fig. 2；
Fig. 4 is the stereogram of structure shown in Fig. 3.
Embodiment
Electric tool 100 shown in Fig. 1, is specifically as follows a kind of electric screwdriver.As depicted in figs. 1 and 2, electric tool
100 can include：Housing 11, motor 12, transmission component 13, output shaft 14, battery bag 15, switch 16 and main circuit board 17, its
In, motor 12 by the transmission of transmission component 13 with drive output shaft 14 with first axle 101 for axle rotate.
Housing 11 is symmetrical by the split 102 of first axle 101 on one.Housing 11 includes：Receiving portion 111 and handle
Hand 112, receiving portion 111 extend along the direction of first axle 101, and handle portion 112 is from receiving portion 111 along perpendicular to first axle
101 direction extension.
The technical solution of the utility model for convenience of explanation, define along the direction of first axle 101 and referred to by transmission component 13
Direction to output shaft 14 be before, after relative direction is, also defines perpendicular to first axle 101 and pointed to by receiving portion 111
The direction of handle portion 112 be under, on relative direction is.
Specifically, receiving portion 111 is arranged on the first appearance formed with the first accommodating chamber 111a, motor 12, transmission component 13
Receive in chamber 111a, the rear end of output shaft 14 is arranged in the first accommodating chamber 111a, front end is extend out to outside the first accommodating chamber 111a.
Hand 112 is used to grip for user, and handle portion 112 is arranged on the postmedian of receiving portion 111, and handle portion 112 holds formed with second
Receive chamber 112a, the second accommodating chamber 112a is mutually communicated with the first accommodating chamber 111a.The one end of handle portion 112 away from receiving portion 111
Joint portion 112b is also formed with, joint portion 112b is used to cause battery bag 15 to be removably attached to handle portion 112.
Motor 12 is arranged in the first accommodating chamber 111a of receiving portion 111 and is located at the first accommodating chamber 111a postmedian,
Motor 12 includes motor shaft, and motor 12 also passes through first axle 101 and first plane vertical with split 102 on one
103 is symmetrical.Transmission component 13 is arranged between motor 12 and output shaft 14, and transmission component 13 is used in motor 12 and output shaft 14
Between realize the transmission of power so that output shaft 14 is that axle is rotated with outputting torsion with first axle 101.Battery bag 15 is used
Powered in motor 12, it is possible to understand that, electric tool 100 of the present utility model can also be exchange class instrument, at this moment, electronic
Instrument 100 can be not provided with battery bag 15, but can set power line in end of the handle portion 112 away from receiving portion 111.
Switch 16 is attached to handle portion 112, for being operated for user to start electric tool 100.Main circuit board 17 respectively with battery bag
15 and motor 12 be electrically connected with so that the electric energy of battery bag 15 is transferred into motor 12, may be provided on main circuit board 17 pair
The control circuit that motor 12 is controlled.
In the present embodiment, main circuit board 17 is at least partially disposed in the second accommodating chamber 112a of handle portion 112, is more entered
For one step, main circuit board 17 is located at one end of the remote receiving portion 111 in the second accommodating chamber 112a.It should be understood that main electricity
Road plate 17 can also be arranged on the middle part in the second accommodating chamber 112a, or can also be arranged on the second accommodating chamber 112a close to appearance
Receive the one end in portion 111, or main circuit board 17 can also be arranged on the junction of receiving portion 111 and handle portion 112, then it is or main
Circuit board 17 can also be integrated in switch 16.
As shown in Figures 2 to 4, electric tool 100 also includes：Electric elements, auxiliary circuit board 18, the first wire 19 and
Two wires 20.Wherein, electric elements are arranged on side of the motor away from main circuit board 17, and electric elements are the institute of electric tool 100
Including be used for realize electric tool 100 carry out torsion output outside other functions element, electric elements be motor 12 it
Outer other electric equipments.Electric elements are arranged in the first accommodating chamber 111a of receiving portion 111, and electric elements are also located at
The side of the remote handle portion 112 of first plane 103.Along parallel to split 102 and perpendicular to the direction of first axle 101
On, electric elements and main circuit board 17 are respectively positioned at the both sides of motor 12.Furthermore, electric elements and main circuit board 17 are gone back
It is located at the both sides of the first plane 103 respectively, or, the projection difference of electric elements and main circuit board 17 on the split 102
Positioned at the both sides of projection of the motor 12 on the split 102.
Auxiliary circuit board 18 be arranged in the first accommodating chamber 111a of receiving portion 111 and positioned at motor 12 and output shaft 14 it
Between, the first electric connection terminal 181 and the second electric connection terminal 182, the first electric connection terminal 181 are carried on auxiliary circuit board 18
It is electrically connected with the second electric connection terminal 182, can specifically, on auxiliary circuit board 18 be printed with printed wire electrically to connect
Connect the first electric connection terminal 181 and the second electric connection terminal 182.Auxiliary circuit board 18 is arranged on main circuit board 17 and electric elements
Between.Auxiliary circuit board 18 extends at one in the plane of first axle 101, and auxiliary circuit board 18 is arranged on motor 12
Between output shaft 14, therefore, auxiliary circuit board 18 is also formed with for so that the through hole that the motor shaft of motor 12 passes through.
First wire 19 connects the electric connection terminal 181 of main circuit board 17 and first, the electrical connection of the second wire 20 connection second
Terminal 182 and electric elements.So, the electricity of the first electric connection terminal 181 on main circuit board 17 and auxiliary circuit board 18 is passed through
Property connection and the electric connection of the second electric connection terminal 182 and electric elements can realize the transmission of electric energy so that electric
Pond bag 15 is powered to electric elements.Wherein, as needed, auxiliary circuit board 18 can also be arranged on any in receiving portion 111
Position, so as to shorten the length of wire so that winding displacement becomes more simple, and can also improve stability.In this implementation
In example, auxiliary circuit board 18 is arranged between motor 12 and output shaft 14, so, for causing electric energy to be transferred to electric elements
First wire 19 and the second wire 20 need not move through motor 12, so as to effectively avoid breaking caused by when assembling motor 12
The problem of wire, and then the difficulty of winding displacement is reduced, stability is improved, reduces cost.
In the present embodiment, the electric elements are the lamp that can be lighted, and furthermore, the lamp is the illumination for illumination
Element 21, it is possible to understand that, lamp can also be for the electric quantity display element for the dump energy for showing electric tool 100, may be used also
Think the indicator elment of rotating commutation, explanation only for example, is not limited thereto here.In the present embodiment, illumination component
21 be arranged on housing 11 along on the direction of first axle 101 further from the front end of motor 12, so as to be electric tool
100 working region illumination, on the direction of first axle 101, illumination component 21 and main circuit board 17 are set respectively
In the both sides of motor 12.At this moment, auxiliary circuit board 18 can be arranged between motor 12 and transmission component 13, the first electric connecting terminal
Son 181 is arranged on auxiliary circuit board 18 and is arranged on auxiliary circuit board close to one end of main circuit board 17, the second electric connection terminal 182
18 one end away from main circuit board 17, and the first electric connection terminal 181 is also located at the upside of receiving portion 111, such second wire
20 can connect the first electric connection terminal 181 and illumination component 21 in the upside of transmission component 13, and so, the second wire 20 is neither
Need from the rear side of motor 12 around to the upside of motor 12, so as to shorten the length of wire, and the second wire 20 also without
It need to pass through between motor 12 and transmission component 13, so as to improve stability.
Furthermore, the number of the electric elements included by electric tool 100 is two or more, such as in the present embodiment
In, one of electric elements are foregoing illumination component 21, and another is for realizing that 100 high low speed of electric tool is cut
The electronic switch 22 changed, the electronic switch 22 are also disposed at the upside of motor 12, and at this moment, the number of the second wire 20 is also to be corresponding
Number, one of them or a part of second wire 20 connect the second electric connection terminal 182 and illumination component 21, another or
Another the second wire of part 20 of person connects the second electric connection terminal 182 and electronic switch 22.When the electrical equipment included by electric tool 100
When the number of element is two or more, it can more embody wire and effectively be shortened.
Auxiliary circuit board 18 is fixedly installed to motor 12.In the present embodiment, motor 12 is thoughts brushless electric machine, and it includes
Rotor and stator, auxiliary circuit board 18 are the hall circuitboard for being fixed to motor 12, are additionally provided with auxiliary circuit board 18 for examining
Survey the Hall sensor of the position of rotor.So, the hall circuitboard that make use of electric tool 100 to carry, without increase in addition
One part is as auxiliary circuit board 18, so as to reduce cost.
General principle, principal character and advantage of the present utility model has been shown and described above.The technical staff of the industry
It should be appreciated that above-described embodiment does not limit the utility model in any form, it is all by the way of equivalent substitution or equivalent transformation
The technical scheme obtained, all falls within the scope of protection of the utility model.
Claims (10)
1. a kind of electric tool, including：
Motor, including motor shaft；
Housing, including for accommodating the receiving portion of the motor；
Main circuit board, it is electrically connected with the motor so that electric energy is transferred into the motor；
Output shaft, rotated by motor driving around first axle；
The main circuit board is arranged in the housing；
It is characterized in that：
The electric tool also includes：
Electric elements, it is arranged on side of the motor away from the main circuit board；
Auxiliary circuit board, carry the first electric connection terminal and electrically connected with the second of first electric connection terminal electric connection
Terminal, the printing for connecting first electric connection terminal and second electric connection terminal is also printed with the auxiliary circuit board
Circuit；
First wire, connect the main circuit board and first electric connection terminal；
Second wire, connect second electric connection terminal and the electric elements.
2. electric tool according to claim 1, it is characterised in that：
The number of the electric elements is two or more.
3. electric tool according to claim 1, it is characterised in that：
The electric elements are illumination component for illumination, and the illumination component is arranged on the housing along the first axle
On line direction further from the front end of the motor；On edge on the direction of the first axle, the illumination component
The both sides of the motor are separately positioned on the main circuit board.
4. electric tool according to claim 1, it is characterised in that：
The housing is symmetrical on a split, along parallel to the split and perpendicular to the direction of the first axle
On, the electric elements and the main circuit board are separately positioned on the both sides of the motor.
5. electric tool according to claim 1, it is characterised in that：
The housing also includes：
Handle portion, for being gripped for user；
The main circuit board is at least partially disposed in the handle portion；
The electric elements are attached to described accommodation section.
6. electric tool according to claim 1, it is characterised in that：
The auxiliary circuit board is arranged in described accommodation section and between the motor and the output shaft.
7. electric tool according to claim 6, it is characterised in that：
The auxiliary circuit board extends at one in the plane of the first axle, and the auxiliary circuit board is also formed with
For the through hole for causing the motor shaft of the motor to pass through.
8. electric tool according to claim 1, it is characterised in that：
The auxiliary circuit board is the hall circuitboard for being fixedly installed to the motor.
9. electric tool according to claim 1, it is characterised in that：
The motor is thoughts brushless electric machine, and the motor also includes rotor and stator, use is additionally provided with the auxiliary circuit board
Hall sensor in the position for detecting the rotor.
10. electric tool according to claim 1, it is characterised in that：
The electric tool also includes：
Transmission component, it is arranged in described accommodation section；
On the direction along the first axle, the transmission component is arranged between the motor and the output shaft；
The housing is symmetrical on a split, the projection of the electric elements and the main circuit board on the split
It is located at the both sides of projection of the motor on split respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720376356.4U CN206795748U (en) | 2017-04-11 | 2017-04-11 | Electric tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720376356.4U CN206795748U (en) | 2017-04-11 | 2017-04-11 | Electric tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206795748U true CN206795748U (en) | 2017-12-26 |
Family
ID=60731874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720376356.4U Expired - Fee Related CN206795748U (en) | 2017-04-11 | 2017-04-11 | Electric tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206795748U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108155037A (en) * | 2018-02-21 | 2018-06-12 | 上海朔杰电子科技有限公司 | A kind of electric tool switch of integration control function |
| CN111436181A (en) * | 2019-01-11 | 2020-07-21 | 南京德朔实业有限公司 | Electric tool and circuit board |
| CN112077799A (en) * | 2019-06-14 | 2020-12-15 | 南京德朔实业有限公司 | Electric tool |
-
2017
- 2017-04-11 CN CN201720376356.4U patent/CN206795748U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108155037A (en) * | 2018-02-21 | 2018-06-12 | 上海朔杰电子科技有限公司 | A kind of electric tool switch of integration control function |
| CN111436181A (en) * | 2019-01-11 | 2020-07-21 | 南京德朔实业有限公司 | Electric tool and circuit board |
| CN112077799A (en) * | 2019-06-14 | 2020-12-15 | 南京德朔实业有限公司 | Electric tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 211106 No. 529, 159, Jiangjun Avenue, Jiangning District, Nanjing, Jiangsu Province Patentee after: Nanjing Quanfeng Technology Co.,Ltd. Address before: 211106, No. 159, general road, Jiangning economic and Technological Development Zone, Nanjing, Jiangsu Patentee before: NANJING CHERVON INDUSTRY Co.,Ltd. |
|
| 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: 20171226 |