CN101527196B - Brushless electric motor speed regulation switch mechanism of electric tools - Google Patents
Brushless electric motor speed regulation switch mechanism of electric tools Download PDFInfo
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- CN101527196B CN101527196B CN2009100954979A CN200910095497A CN101527196B CN 101527196 B CN101527196 B CN 101527196B CN 2009100954979 A CN2009100954979 A CN 2009100954979A CN 200910095497 A CN200910095497 A CN 200910095497A CN 101527196 B CN101527196 B CN 101527196B
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- 230000033228 biological regulation Effects 0.000 title claims abstract description 40
- 230000007246 mechanism Effects 0.000 title claims abstract description 39
- 230000003750 conditioning effect Effects 0.000 claims description 12
- 230000020169 heat generation Effects 0.000 abstract 2
- 230000007812 deficiency Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
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Abstract
The invention discloses a brushless electric motor speed regulation switch mechanism to resolve the problems of high cost of current controllers, complex structure, large power consumption, serious heat generation or required halt regulation and automatic reset deficiency. The brushless electric motor speed regulation switch mechanism comprises a button I, a frame, a circuit board arranged at theframe, a elastic reset device, a power regulation device and a switch device, wherein the button I is connected with the switch device arranged at the frame, the elastic reset device is arranged between the button I and the frame, and the button I is provided with a contact terminal connected with the power regulation device. The brushless electric motor speed regulation switch mechanism has the advantages of low cost, simple structure, small heat generation, no need of halt regulation, automatic reset in nonuse state, automatic setting of a definite output power and constant power supply or point start power supply for motors.
Description
Technical field
The present invention relates to a kind of switching mechanism, specifically, is a kind of brushless electric machine speed regulation switch mechanism of electric tool.
Background technology
Brushless electric machine is used in increasing place because its noise is little, efficient is high, work the time can not produce characteristics such as dust, but for the speed-regulating switch of brushless electric machine, can not use controllable silicon to carry out speed governing, is not suitable for the control of brushless electric machine.If adopt potentiometer to regulate, manual adjustments after then needing to shut down has a strong impact on operating efficiency, inconvenient operation, and can not automatically reset, do not meet the requirement of electric tool safety regulation.
Summary of the invention
The object of the present invention is to provide a kind of electric tool brushless electric machine speed regulation switch mechanism, can solve effectively that existing structure is complicated, inconvenient operation, perhaps need to shut down adjustings, can not automatically reset does not meet the problem of electric tool safety requirement.
In order to solve the problems of the technologies described above, the present invention is achieved by the following technical solutions: a kind of brushless electric machine speed regulation switch mechanism of electric tool, comprise button I, framework, circuit board, described circuit board is arranged on the framework, also comprise elasticity reset device, Power Conditioning Unit, switching device, described button I links to each other with switching device on being arranged on framework, is provided with elasticity reset device between described button I and the framework, and described button I is provided with contact and links to each other with Power Conditioning Unit.
Preferably, described elasticity reset device is the spring I more than, one side on the described framework near button I be provided with the reference column that equates with spring I quantity, described spring I is set on the reference column, the end of spring I is arranged on the framework, and the other end of described spring I is arranged on the button I; With the effect of spring I realization elastic reset, behind release button I, spring I makes button I be returned to initial state.
Preferably, described spring I is two; It is more secure that two spring I reply button I, and can upper and lower settings, makes button I stressed evenly, stuck situation can not occur.
Preferably, described Power Conditioning Unit is a variable resistance, and described variable resistance is arranged on the circuit board; Variable resistance is simple in structure, effectively reduces cost, and is difficult for heating, and dependable performance can realize the stepless variation of power.
Preferably, described switching device comprises contact I and contact II, and described contact II is arranged on the framework; The simplest switching device of structure.
Preferably, described button I one end is provided with the elasticity contact block, and described elasticity contact block withstands on the end of contact I, and described contact I middle part is active to be arranged on the conducting bracket of framework, and the following square bearer of the described contact I other end is provided with contact II; Unclamp power, when spring I makes button I be returned to initial conditions, button I will make two contacts disconnect, and realize automatically reseting.
Preferably, described button I is provided with and regulates the distance adjusting means that button I is pressed into distance, and described distance adjusting means comprises knob and block, and described knob is arranged on button I surface, and described knob is threaded with block; Prevent that the unexpected application of force is excessive, the inner original paper of button I damaged, cause and can not reset, make block do rectilinear motion by the knob rotation simultaneously, can set a position, make press the button I at every turn after, the power that switch is regulated is identical.
Preferably, an end face of described speed regulation switch mechanism is provided with cover plate, and described cover plate is provided with button II, and described button II is provided with backstay, and described backstay wore cover plate, is arranged with spring II on the backstay between described cover plate and the button II; After pressing the button I, if continue to the motor power supply, only need press the button II again this moment, and backstay will stretch out and block block, and needn't pin button I always.
Preferably, described framework is provided with guide rail, and described button I is arranged in the guide rail; Button I can not influence use because of waving.
Compared with prior art, advantage of the present invention is: cost is lower, and is simple in structure, and caloric value is little, do not need to shut down to regulate, and can automatically reset when not using, and can freely set a fixing power output, can provide continued power or crawl power supply to motor.
Description of drawings
The invention will be further described below in conjunction with accompanying drawing:
Fig. 1 is the front view of brushless electric machine speed regulation switch mechanism embodiment one mechanism of a kind of electric tool of the present invention when not using;
Fig. 2 is the front view of brushless electric machine speed regulation switch mechanism embodiment one structure of a kind of electric tool of the present invention when using;
Fig. 3 is the rearview of the brushless electric machine speed regulation switch mechanism embodiment one of a kind of electric tool of the present invention when disconnecting;
Fig. 4 is the board structure of circuit schematic diagram of the brushless electric machine speed regulation switch mechanism embodiment one of a kind of electric tool of the present invention;
Fig. 5 is the frame guide rail partial view of the brushless electric machine speed regulation switch mechanism of a kind of electric tool of the present invention;
Fig. 6 is the frame structure schematic diagram of the brushless electric machine speed regulation switch mechanism of a kind of electric tool of the present invention;
Fig. 7 is the covering plate structure schematic diagram of the brushless electric machine speed regulation switch mechanism of a kind of electric tool of the present invention;
Fig. 8 is the A-A cutaway view of Fig. 7;
Fig. 9 is the knob block structural representation of the brushless electric machine speed regulation switch mechanism of a kind of electric tool of the present invention;
Figure 10 is the front views of brushless electric machine speed regulation switch mechanism embodiment two mechanisms of a kind of electric tool of the present invention when not using;
Figure 11 is the front views of brushless electric machine speed regulation switch mechanism embodiment two mechanisms of a kind of electric tool of the present invention when using.
Embodiment
Embodiment one:
Consult the embodiment of Fig. 1 to Fig. 9 for the brushless electric machine speed regulation switch mechanism of a kind of electric tool of the present invention, a kind of brushless electric machine speed regulation switch mechanism of electric tool, comprise button I 1, framework 2, circuit board 3, described circuit board 3 is arranged on the framework 2, it is characterized in that: also comprise elasticity reset device, Power Conditioning Unit, switching device, described button I 1 links to each other with switching device on being arranged on framework 2, be provided with elasticity reset device between described button I 1 and the framework 2, described button I 1 is provided with contact 11 and links to each other with Power Conditioning Unit; Described elasticity reset device is two spring I 41, one side near button I 1 on the described framework 2 is provided with the reference column 21 that equates with spring I 41 quantity, described spring I 41 is set on the reference column 21, the end of spring I 41 is arranged on the framework 2, and the other end of described spring I 41 is arranged on the button I 1; Described Power Conditioning Unit is a variable resistance 51, and described variable resistance 51 is arranged on the circuit board 3; Described switching device comprises contact I 61 and contact II 62, and described contact II 62 is arranged on the framework 2; Described button I 1 one ends are provided with elasticity contact block 12, and described elasticity contact block 12 withstands on the end of contact I 61, and described contact I 61 middle parts are active to be arranged on the conducting bracket 22 of framework 2, and the following square bearer 2 of described contact I 61 other ends is provided with contact II62; Described button I 1 is provided with and regulates the distance adjusting means that button I 1 is pressed into distance, and described distance adjusting means comprises knob 71 and block 72, and described knob 71 is arranged on button I 1 surface, and described knob 71 is threaded with block 72; One end face of described speed regulation switch mechanism is provided with cover plate 81, described cover plate 81 is provided with button II 82, described button II 82 is provided with backstay 83, and described backstay 83 wore cover plate 81, is arranged with spring II 84 on the backstay 83 between described cover plate 81 and the button II 82; Described framework 2 is provided with guide rail 23, and described button I 1 is arranged in the guide rail 23.
During use, be placed on the button I 1 with finger, the inside application of force, button I 1 moves in framework 2 along guide rail 13, elasticity contact block 12 is moved to the left length and shortens, after elasticity contact block 12 was moved to the left conducting bracket 22, because the middle part active card of contact I 61 is on conducting bracket 22, according to lever principle the left end of contact I 61 will be moved downward and touch contact II 62, this moment the entire circuit closure, electric current passes to conducting bracket 22 again to circuit board 3 from contact II62 to contact I 61, the contact 11 of button I 1 moves on the variable resistance 51 of circuit board 3, can control its rotating speed this moment by moving the power of regulating brushless electric machine.Finish when using, unclamp hand, elastic force by spring I 41 will make button I 1 move right, and drive elasticity contact block 12 and move right together, when elasticity contact block 12 moved conducting bracket 22, according to lever principle, the right-hand member of contact I 61 upwards lifts, left end is downward, and this moment, contact I 61 and contact II 62 disconnected, the brushless electric machine outage; In use, can rotary knob 71, make block move 72 to suitable position, control the degree of depth that each button I presses like this and make the contact 11 on the button I all slide into position identical on the variable resistance 51 at every turn, realize that each constant power exports; If continue to power to motor, after only need pressing the button I 1, the backstay 83 of button II 82 bottoms is stretched out block block 72 by the button II 82 on the lower cover 81 again and get final product, inserting lead is arranged on the contact II 62, conducting bracket 22 1 ends link to each other with circuit board 3, described circuit board 3 is provided with output lead, and this brushless electric machine speed regulation switch mechanism can be used in the control of two or three brushless electric machines.
Embodiment two:
Consult the embodiment of Fig. 5 to Figure 11 for the brushless electric machine speed regulation switch mechanism of a kind of electric tool of the present invention, a kind of brushless electric machine speed regulation switch mechanism of electric tool, comprise button I 1, framework 2, circuit board 3, described circuit board 3 is arranged on the framework 2, it is characterized in that: also comprise elasticity reset device, Power Conditioning Unit, switching device, described button I 1 links to each other with switching device on being arranged on framework 2, be provided with elasticity reset device between described button I1 and the framework 2, described button I 1 is provided with contact 11 and links to each other with Power Conditioning Unit; Described elasticity reset device is two spring I 41, one side near button I 1 on the described framework 2 is provided with the reference column 21 that equates with spring I 41 quantity, described spring I 41 is set on the reference column 21, the end of spring I 41 is arranged on the framework 2, and the other end of described spring I 41 is arranged on the button I 1; Described Power Conditioning Unit is a variable resistance 51, and described variable resistance 51 is arranged on the circuit board 3; Described switching device comprises the contact I 61 and the contact II 62 of normal open switch, and described contact II 62 is arranged on the framework 2; Described button I 1 one ends are provided with elasticity contact block 12, and described elasticity contact block 12 withstands on the end of contact I 61, and described contact I 61 middle parts are active to be arranged on the conducting bracket 22 of framework 2, and the following square bearer 2 of described contact I 61 other ends is provided with contact II 62; Described switching device also comprises the contact III63 and the contact IV64 of one group of normally closed switch, and described contact IV64 is arranged on the framework 2, and described elasticity contact block 12 withstands on the end of contact III63, and described contact III63 is active to be arranged on the framework 2; Described button I 1 is provided with and regulates the distance adjusting means that button I 1 is pressed into distance, and described distance adjusting means comprises knob 71 and block 72, and described knob 71 is arranged on button I 1 surface, and described knob 71 is threaded with block 72; One end face of described speed regulation switch mechanism is provided with cover plate 81, described cover plate 81 is provided with button II 82, described button II82 is provided with backstay 83, and described backstay 83 wore cover plate 81, is arranged with spring II 84 on the backstay 83 between described cover plate 81 and the button II 82; Described framework 2 is provided with guide rail 23, and described button I 1 is arranged in the guide rail 23.
During use, be placed on the button I 1 with finger, the inside application of force, button I 1 moves in framework 2 along guide rail 13, elasticity contact block 12 is moved to the left length and shortens, after elasticity contact block 12 was moved to the left conducting bracket 22, because the middle part active card of contact I 61 is on conducting bracket 22, according to lever principle the left end of contact I 61 will be moved downward and touch contact II 62, the right-hand member of contact III63 moves downward, contact III63 is disconnected with contact IV64 to be connected, this moment, electric current passed to conducting bracket 22 again to circuit board 3 from contact II 62 to contact I 61, the contact 11 of button I 1 moves on the variable resistance 51 of circuit board 3, and can control its rotating speed this moment by moving the power of regulating brushless electric machine.Finish when using, unclamp hand, elastic force by spring I 41 will make button I 1 move right, and drive elasticity contact block 12 and move right together, when elasticity contact block 12 moved conducting bracket 22, according to lever principle, the right-hand member of contact I 61 upwards lifts, left end is downward, and this moment, contact I 61 and contact II 62 disconnected, the brushless electric machine outage; In use, can rotary knob 71, make block move 72 to suitable position, control the degree of depth that each button I presses like this and make the contact 11 on the button I all slide into position identical on the variable resistance 51 at every turn, realize that each constant power exports; If continue to power to motor, after only need pressing the button I 1, the backstay 83 of button II 82 bottoms is stretched out block block 72 by the button II 82 on the lower cover 81 again and get final product, inserting lead is separately positioned on contact II 62 and the contact IV64, conducting bracket 22 1 ends link to each other with circuit board 3 with contact III63, and described circuit board 3 is provided with output lead.This brushless electric machine speed regulation switch mechanism can be used in the control of two or three brushless electric machines.
Claims (7)
1. the brushless electric machine speed regulation switch mechanism of an electric tool, comprise button I (1), framework (2), circuit board (3), described circuit board (3) is arranged on the framework (2), it is characterized in that: also comprise elasticity reset device, Power Conditioning Unit, switching device, described button I (1) links to each other with switching device on being arranged on framework (2), be provided with elasticity reset device between described button I (1) and the framework (2), described button I (1) is provided with contact (11) and links to each other with Power Conditioning Unit, described switching device comprises contact I (61) and contact II (62), described contact II (62) is arranged on the framework (2), described button I (1) one end is provided with elasticity contact block (12), described elasticity contact block (12) withstands on the end of contact I (61), described contact I (61) middle part is active to be arranged on the conducting bracket (22) of framework (2), and the following square bearer (2) of described contact I (61) other end is provided with contact II (62).
2. the brushless electric machine speed regulation switch mechanism of a kind of electric tool as claimed in claim 1, it is characterized in that: described elasticity reset device is the spring I (41) more than, one side that described framework (2) is gone up near button I (1) is provided with the reference column (21) that equates with spring I (41) quantity, described spring I (41) is set on the reference column (21), the end of spring I (41) is arranged on the framework (2), and the other end of described spring I (41) is arranged on the button I (1).
3. the brushless electric machine speed regulation switch mechanism of a kind of electric tool as claimed in claim 2, it is characterized in that: described spring I (41) is two.
4. the brushless electric machine speed regulation switch mechanism of a kind of electric tool as claimed in claim 1, it is characterized in that: described Power Conditioning Unit is variable resistance (51), and described variable resistance (51) is arranged on the circuit board (3).
5. the brushless electric machine speed regulation switch mechanism of a kind of electric tool as claimed in claim 1, it is characterized in that: described button I (1) is provided with and regulates the distance adjusting means that button I (1) is pressed into distance, described distance adjusting means comprises knob (71) and block (72), described knob (71) is arranged on button I (1) surface, and described knob (71) is threaded with block (72).
6. the brushless electric machine speed regulation switch mechanism of a kind of electric tool as claimed in claim 5, it is characterized in that: an end face of described speed regulation switch mechanism is provided with cover plate (81), described cover plate (81) is provided with button II (82), described button II (82) is provided with backstay (83), described backstay (83) wore cover plate (81), was arranged with spring II (84) on the backstay (83) between described cover plate (81) and the button II (82).
7. the brushless electric machine speed regulation switch mechanism of a kind of electric tool as claimed in claim 1, it is characterized in that: described framework (2) is provided with guide rail (23), and described button I (1) is arranged in the guide rail (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100954979A CN101527196B (en) | 2009-01-15 | 2009-01-15 | Brushless electric motor speed regulation switch mechanism of electric tools |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100954979A CN101527196B (en) | 2009-01-15 | 2009-01-15 | Brushless electric motor speed regulation switch mechanism of electric tools |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101527196A CN101527196A (en) | 2009-09-09 |
| CN101527196B true CN101527196B (en) | 2011-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009100954979A Expired - Fee Related CN101527196B (en) | 2009-01-15 | 2009-01-15 | Brushless electric motor speed regulation switch mechanism of electric tools |
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| CN (1) | CN101527196B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101837578A (en) * | 2010-05-11 | 2010-09-22 | 南京德朔实业有限公司 | Portable angular tool |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001084867A (en) * | 1999-09-13 | 2001-03-30 | Matsushita Electric Ind Co Ltd | switch |
| CN201374669Y (en) * | 2009-01-15 | 2009-12-30 | 姜卫亮 | Brushless motor speed regulating switch mechanism of electric tool |
-
2009
- 2009-01-15 CN CN2009100954979A patent/CN101527196B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001084867A (en) * | 1999-09-13 | 2001-03-30 | Matsushita Electric Ind Co Ltd | switch |
| CN201374669Y (en) * | 2009-01-15 | 2009-12-30 | 姜卫亮 | Brushless motor speed regulating switch mechanism of electric tool |
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| CN101527196A (en) | 2009-09-09 |
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| C14 | Grant of patent or utility model | ||
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Owner name: JIAHE TOOLS CO., LTD. Free format text: FORMER OWNER: JIANG WEILIANG Effective date: 20111214 Free format text: FORMER OWNER: YING SHILI Effective date: 20111214 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Effective date of registration: 20111214 Address after: 25 No. 321300 Zhejiang province Yongkang City Hardware Technology Industrial Park, Park Avenue South Patentee after: Jiahe Tools Co., Ltd. Address before: 321300 Zhejiang province Yongkang City Park Economic Development Zone South Road No. 25 Yongkang Jiahe Instrument Company Co-patentee before: Ying Shili Patentee before: Jiang Weiliang |
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Granted publication date: 20110914 Termination date: 20120115 |