CN208246733U - A kind of brushless electric pick - Google Patents
A kind of brushless electric pick Download PDFInfo
- Publication number
- CN208246733U CN208246733U CN201820026561.2U CN201820026561U CN208246733U CN 208246733 U CN208246733 U CN 208246733U CN 201820026561 U CN201820026561 U CN 201820026561U CN 208246733 U CN208246733 U CN 208246733U
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- Prior art keywords
- gear
- electric pick
- brushless electric
- brushless
- motor
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Abstract
The utility model belongs to power tool equipment technical field, more particularly to a kind of brushless electric pick, including body and it is separately positioned on the handle and work head at body both ends, brushless motor is provided in body, controller, speed changer, transmission mechanism and radiator, brushless motor includes stator, rotor and motor shaft, and brushless motor and controller, it is electrical connection between speed changer, dust cover is equipped on the outside of stator, radiator is arranged on motor shaft, transmission mechanism includes sequentially connected first gear, second gear, third gear and the 4th gear, first gear connects motor shaft, 4th gear connects pneumatic device, the spin button of pneumatic device connection engine body exterior, switch and liquid crystal display are additionally provided on handle, quick chuck is equipped in work head, demountable bit is installed in quick chuck.The utility model has the advantages that low interference, low electrical loss, lower calorific value, low noise, low-maintenance cost, smooth movements, the service life is long, high efficiency.
Description
Technical field
The utility model belongs to power tool equipment technical field, and in particular to a kind of brushless electric pick.
Background technique
Electric pick is a kind of electric tool for drilling vacancy, provides power by motor to drive the piston of cylinder past
Multiple movement, thus apply the air force generated by compressed gas to diamond bit, so that diamond bit is advanced so that high frequency progress is longitudinally reciprocal,
To realize drilling hole location.Traditional electric pick is mostly the double insulation hand held electric tool using single phase series motor as power,
It has the characteristics that it is safe and reliable, easy to operate, be widely used in building, railway construction and reinforce industry.But traditional electric pick by
In using series-wound motor, brush loss is very serious, it is often necessary to replace carbon brush, lead to the big discounting of working efficiency
Button, also adds cost of labor.Simultaneously as carbon brush is enclosed in casing, the degree of wear of carbon brush can not be intuitively seen,
Have to dismantle casing or can just be checked after unscrewing special carbon brush capping, if user before carbon brush abrasion is complete not in time more
It changes, it will cause following consequences: machine stops working, and can work on after replacing carbon brush；After if carbon brush abrasion is complete not in time more
It changes, the metal clips for withstanding carbon brush bottom is directly contacted with rotor copperhead, is caused rotor failure, is needed to change rotor, greatly increases
Maintenance cost；What is more, due to replacing carbon brush not in time, leads to line short, causes spark, generate high temperature, rotor stator
It all burns out, nonmetal parts fusing, complete machine is scrapped, or even can injure user's life security.The service life of one electric pick only has
Several hundred hours, the service life is short, hardly possible maintenance.Accordingly, it is desirable to provide a kind of new technical solution solves the above problems.
Utility model content
Structure is complicated, low efficiency and poor safety performance purpose of the utility model is to solve existing in the prior art
The problems such as, a kind of brushless electric pick is provided, there is low interference, low electrical loss, lower calorific value, low noise, low-maintenance cost, operating
It is smooth, the advantages that service life is long, high efficiency.
To achieve the above object, the technical scheme adopted by the utility model is a kind of brushless electric pick, including body and
It is separately positioned on the handle and work head at body both ends, is provided with brushless motor, controller, speed changer, biography in the body
Motivation structure and radiator, the brushless motor include stator, rotor and motor shaft, and brushless motor and controller, speed change
It is electrical connection between device, dust cover is equipped on the outside of the stator, the radiator is arranged on motor shaft, described
Transmission mechanism includes sequentially connected first gear, second gear, third gear and the 4th gear, the first gear connection
Motor shaft, the 4th gear connect pneumatic device, and the spin button of the pneumatic device connection engine body exterior is described
It is additionally provided with switch and liquid crystal display on handle, quick chuck, installation in the quick chuck are equipped in the work head
There is demountable bit.
Preferably, the first gear and second gear are mutually perpendicular to and engage, the second gear and third tooth
Wheel is mutually perpendicular to and engages, and the third gear and the 4th gear are mutually perpendicular to and engage.
Preferably, the pneumatic device includes calm the anger connecting rod and piston rod.
Preferably, the 4th gear connects connecting rod of calming the anger, and the drill bit connects piston rod.
Preferably, the connecting rod of calming the anger is crank-rocker structure.
Preferably, the switch is key switch.
Preferably, the body is equipped with thermovent.
Preferably, the axis extended line of the motor shaft and drill bit is perpendicular.
After adopting the above technical scheme, the utility model has the following beneficial effects:
A kind of brushless electric pick of the utility model, structure design advantages of simple, can guarantee electricity by the design of dust cover
The dust-proof effect of machine extends the service life of motor to improve the reliability of motor, can reduce motor by transmission mechanism
Output speed guarantees the output of Motor torque, so that the output torque of the brushless angle grinder of the utility model improves, meets operation
The use demand of personnel；The speed change of any transmission ratio in slewing range can be continuously obtained by the design of buncher, and
By the detachable and interchangeable design of drill bit so that the use scope of the electric pick is wider, operation more aspect is reliable.That is:
(1) a kind of brushless electric pick of the utility model has the advantages that low interference, low electrical loss and lower calorific value, avoids
Since motor operates the situation for generating electric spark and leading to danger；
(2) a kind of brushless electric pick of the utility model is by switch designs, encounters after accident power-off is once again powered up, machine is not
It can start automatically, to reduce unexpected generation, use is safer；
(3) a kind of brushless electric pick low noise of the utility model, smooth movements, and the service life is long, greatly reduce maintenance at
This；The utility model no replacement is required carbon brush, improves work efficiency, compared with traditional electric pick, power output improve 20% with
On, electric energy is greatly saved, is suitble to promote and apply.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of brushless electric pick of the utility model.
Wherein: body 1, handle 2, work head 3, brushless motor 4, controller 5, speed changer 6, transmission mechanism 7, radiator
8, stator 9, rotor 10, motor shaft 11, first gear 12, second gear 13, third gear 14, the 4th gear 15, pneumatic device
16, spin button 17, switch 18, liquid crystal display 19, quick chuck 20, drill bit 21, dust cover 22, calm the anger connecting rod 23, piston
Bar 24, thermovent 25.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms should broadly understood, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
As shown in Figure 1, being a kind of brushless electric pick of the utility model, including body 1 and it is separately positioned on 1 both ends of body
Handle 2 and work head 3, brushless motor 4, controller 5, speed changer 6, transmission mechanism 7 and heat dissipation are provided in the body 1
Device 8, the brushless motor 4 include stator 9, rotor 10 and motor shaft 11, and brushless motor 4 and controller 5, speed changer 6
Between be electrical connection, dust cover 22 is equipped on the outside of the stator 9, the radiator 8 is arranged on motor shaft 11, institute
The transmission mechanism 7 stated includes sequentially connected first gear 12, second gear 13, third gear 14 and the 4th gear 15, described
First gear 12 connect motor shaft 11, the 4th gear 15 connects pneumatic device 16, and the pneumatic device 16 connects
Spin button 17 outside body 1, is additionally provided with switch 18 and liquid crystal display 19 on the handle 2, in the work head 3
Equipped with quick chuck 20, demountable bit 21 is installed in the quick chuck 20.
Wherein, first gear 12 and second gear 13 are mutually perpendicular to and engage, the second gear 13 and third gear
14 are mutually perpendicular to and engage, and the third gear 14 and the 4th gear 15 are mutually perpendicular to and engage, and pneumatic device 16 includes pressure
Gas connecting rod 23 and piston rod 24, the 4th gear 15 connect connecting rod 23 of calming the anger, and the drill bit 21 connects piston rod 24, connecting rod of calming the anger
23 be crank-rocker structure, and switch 18 is key switch, and body 1 is equipped with thermovent 25, the axis of motor shaft 11 and drill bit 21
Extended line is perpendicular.
A kind of working principle of brushless electric pick provided by the utility model is as follows: after brushless electric pick is powered, when switch 18 is beaten
After opening, electric machine controller 5 can work after receiving signal to the power supply of brushless motor 4 and signal, brushless motor 4, buncher 6
The speed change of any transmission ratio in slewing range can be continuously obtained, to adjust the power of brushless motor 4, motor rotates and passes through
Motor shaft 11 drives first gear 12 to rotate, and the rotation of first gear 12 drives second gear 13, and second gear 13 drives third tooth
Wheel 14, third gear 14 drive the 4th gear 15, so that entire transmission mechanism 7 be driven to move, transmission mechanism 7 drives pneumatic device
16 movement of connecting rod 23 of calming the anger, so that drill bit 21 be driven to work, reaches so that piston rod 24 be promoted to move back and forth and destroys object
Purpose, the liquid crystal display 19 on handle 2 can be monitored in real time the operating condition of complete machine, can adjust in real time, motor shaft 11
Rotation be able to drive radiator 8, the heat that radiator 8 distributes when can operate motor is discharged by thermovent 25,
Dust cover 22 is equipped on the outside of stator 9 it is possible to prevente effectively from dust and sandstone enter inside body 1 causes to brushless motor 4 simultaneously
Damage.
A kind of brushless electric pick of the utility model, structure design advantages of simple, can guarantee electricity by the design of dust cover
The dust-proof effect of machine extends the service life of motor to improve the reliability of motor, can reduce motor by transmission mechanism
Output speed guarantees the output of Motor torque, so that the output torque of the brushless angle grinder of the utility model improves, meets operation
The use demand of personnel；The speed change of any transmission ratio in slewing range can be continuously obtained by the design of buncher, and
By the detachable and interchangeable design of drill bit so that the use scope of the electric pick is wider, operation more aspect is reliable.That is:
(1) a kind of brushless electric pick of the utility model has the advantages that low interference, low electrical loss and lower calorific value, avoids
Since motor operates the situation for generating electric spark and leading to danger；
(2) a kind of brushless electric pick of the utility model is by switch designs, encounters after accident power-off is once again powered up, machine is not
It can start automatically, to reduce unexpected generation, use is safer；
(3) a kind of brushless electric pick low noise of the utility model, smooth movements, and the service life is long, greatly reduce maintenance at
This；The utility model no replacement is required carbon brush, improves work efficiency, compared with traditional electric pick, power output improve 20% with
On, electric energy is greatly saved, is suitble to promote and apply.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (8)
1. a kind of brushless electric pick, including body (1) and it is separately positioned on the handle (2) and work head (3) at body (1) both ends,
It is characterized by: be provided in the body (1) brushless motor (4), controller (5), speed changer (6), transmission mechanism (7) and
Radiator (8), the brushless motor (4) include stator (9), rotor (10) and motor shaft (11), and brushless motor (4) with
It is electrical connection between controller (5), speed changer (6), is equipped with dust cover (22) on the outside of the stator (9), the heat dissipation
Device (8) is arranged on motor shaft (11), and the transmission mechanism (7) includes sequentially connected first gear (12), the second tooth
(13), third gear (14) and the 4th gear (15) are taken turns, the first gear (12) connects motor shaft (11), and the described the 4th
Gear (15) connects pneumatic device (16), and the pneumatic device (16) connects body (1) external spin button (17), described
Handle (2) on be additionally provided with switch (18) and liquid crystal display (19), be equipped with quick chuck (20) in the work head (3),
Demountable bit (21) are installed in the quick chuck (20).
2. a kind of brushless electric pick according to claim 1, it is characterised in that: the first gear (12) and second gear
(13) it is mutually perpendicular to and engages, the second gear (13) and third gear (14) are mutually perpendicular to and engage, the third
Gear (14) and the 4th gear (15) are mutually perpendicular to and engage.
3. a kind of brushless electric pick according to claim 2, it is characterised in that: the pneumatic device (16) includes the company of calming the anger
Bar (23) and piston rod (24).
4. a kind of brushless electric pick according to claim 3, it is characterised in that: the 4th gear (15) connects the company of calming the anger
Bar (23), the drill bit (21) connect piston rod (24).
5. a kind of brushless electric pick according to claim 3, it is characterised in that: the connecting rod of calming the anger (23) is crank rocker
Structure.
6. a kind of brushless electric pick according to claim 1, it is characterised in that: the switch (18) is key switch.
7. a kind of brushless electric pick according to claim 1, it is characterised in that: the body (1) is equipped with thermovent
(25)。
8. a kind of brushless electric pick according to claim 1, it is characterised in that: the motor shaft (11) and drill bit (21)
Axis extended line is perpendicular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820026561.2U CN208246733U (en) | 2018-01-08 | 2018-01-08 | A kind of brushless electric pick |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820026561.2U CN208246733U (en) | 2018-01-08 | 2018-01-08 | A kind of brushless electric pick |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208246733U true CN208246733U (en) | 2018-12-18 |
Family
ID=64619918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820026561.2U Active CN208246733U (en) | 2018-01-08 | 2018-01-08 | A kind of brushless electric pick |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208246733U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112388573A (en) * | 2019-08-16 | 2021-02-23 | 苏州宝时得电动工具有限公司 | Electric pickaxe |
-
2018
- 2018-01-08 CN CN201820026561.2U patent/CN208246733U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112388573A (en) * | 2019-08-16 | 2021-02-23 | 苏州宝时得电动工具有限公司 | Electric pickaxe |
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