CN107591261B - Brushless direct current pure signal switch - Google Patents
Brushless direct current pure signal switch Download PDFInfo
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- CN107591261B CN107591261B CN201710902381.6A CN201710902381A CN107591261B CN 107591261 B CN107591261 B CN 107591261B CN 201710902381 A CN201710902381 A CN 201710902381A CN 107591261 B CN107591261 B CN 107591261B
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Abstract
The invention relates to a brushless direct current pure signal switch, which comprises a base, a cover plate, a button, a main spring, a connector, a push rod, a sliding elastic sheet and a reversing mechanism, wherein the reversing mechanism comprises a shifting handle and a small switch, the shifting handle is shifted to one side, the small switch is not in contact with the shifting handle, the small switch is in an off state, the shifting handle is shifted to the other side, the small switch is in contact with the shifting handle and presses the button of the small switch to switch on the small switch, the small switch achieves the function of signal conversion after being switched on, the brushless direct current pure signal switch also comprises a PCB, a copper plate and a carbon film strip are arranged on the PCB, the push rod is driven by the button to drive two groups of sliding elastic sheets, one group of the sliding elastic sheets is in contact with the copper plate on the PCB to achieve the switching on of electric signals, the other group of the sliding elastic sheets is in contact with the carbon film strip on the PCB to achieve the function of, the reversing operation is realized by adopting a small-signal switch, the reversing function is realized in a narrow space, and the reversing device is safe and reliable.
Description
Technical Field
The invention relates to the field of electric tool switches, in particular to a brushless direct-current pure signal switch.
Background
The brushless direct current pure signal switch is widely applied to various brushless direct current electric tools at present. The existing brushless direct current pure signal switch reversing structure has larger volume, uses a small signal wire for external connection, and is inconvenient to operate.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a brushless direct current pure signal switch which can be directly welded on an external PCB (printed circuit board) to improve the efficiency; the switch has small volume and compact reversing structure.
In order to solve the problems, the invention provides a brushless direct-current pure signal switch which comprises a base (1), a cover plate (3), a button (8), a main spring (9), a connector (10), a push rod (5), a sliding elastic sheet (7) and a reversing mechanism, wherein the reversing mechanism comprises a shifting handle (2) and a small switch (12);
the push button (8) is connected with one end of the push rod (5), the sliding elastic sheet (7) is arranged on the push rod (5), the main spring (9) is sleeved at the other end of the push rod (5) and used for resetting the push rod (5) after moving, the connector (10) is used for being connected with an external electric tool, the shifting handle (2) is connected with one end of the small switch (12), the other end of the small switch (12) is connected with the connector (10), and the base (1) and the cover plate (3) are matched for use and used for placing the push button (8), the main spring (9), the connector (10), the push rod (5), the sliding elastic sheet (7), the shifting handle (2) and the small switch (12);
the small switch (12) is in contact with the dial handle (2) when the dial handle (2) is dialed to one side, the small switch (12) is not in contact with the dial handle (2), the small switch (12) is in an off state, the dial handle (2) is dialed to the other side, the small switch (12) is in contact with the dial handle (2) and a button of the small switch (12) is pressed to enable the small switch (12) to be switched on, and the function of converting signals is achieved after the small switch (12) is switched on.
As a further improvement, the device further comprises a PCB (11), wherein a copper plate (1101) and a carbon film strip (1102) are arranged on the PCB (11), two sliding elastic sheets (7) are respectively a first sliding elastic sheet (701) and a second sliding elastic sheet (702), the push rod (5) is driven to move through a button (8), the first sliding elastic sheet (701) and the second sliding elastic sheet (702) which are arranged on the push rod (5) move, the first sliding elastic sheet (701) moves to be in contact with the copper plate (1101) to achieve connection of electric signals, and the second sliding elastic sheet (702) moves to be in contact with the carbon film strip (1102) to achieve a resistance adjusting function.
As further improvement, still include contact spring (13) and spliced pole (14), spliced pole (14) welding on PCB board (11), base (1) inside trompil (15), place contact spring (13) in hole (15), spliced pole (14) patchhole (15) in, it is fixed on PCB board (11) through contact spring (13) top, contact spring (13) are made for the metallic conductor material, can switch on the signal of telecommunication.
As a further improvement, the holes (15) are provided with 7 holes, wherein 2 holes are used for conducting electric signals, 2 holes are used for adjusting resistance, and 3 holes are used for reversing the electric signals.
As a further improvement, the dustproof push rod further comprises a sealing ring (4), wherein the sealing ring (4) is arranged on the push rod (5) and plays a dustproof role.
As a further improvement, the improved structure further comprises an elastic sheet (6), wherein the elastic sheet (6) is arranged on the shifting handle (2), and the shifting handle (2) shifts the chamber to have better hand feeling.
As can be seen from the above description, the present invention has the following advantages:
1. the switch passes through the reference column direct welding on outside PCB board, changes when customer's welded plate and realizes automaticly.
2. The reversing operation is realized by adopting a small-signal switch, the reversing function is realized in a narrow space, and the reversing device is safe and reliable.
Drawings
FIG. 1 is an exploded schematic view of the present invention;
FIG. 2 is a schematic view of the structure of the handle 2 of the present invention when it is moved to the left;
FIG. 3 is a schematic view of the structure of the handle 2 of the present invention when it is moved to the right;
FIG. 4 is a schematic view of a portion of the structure of the connecting stud and PCB of the present invention;
FIG. 5 is a schematic view of the structure of the well of the present invention;
reference numerals: 1. the device comprises a base, 2, a shifting handle, 3, a cover plate, 4, a sealing ring, 5, a push rod, 6, an elastic sheet, 7, a sliding elastic sheet, 701, a first sliding elastic sheet, 702, a second sliding elastic sheet, 8, a button, 9, a main spring, 10, a connector, 11, a PCB (printed circuit board), 1101, a copper plate, 1102, a carbon film strip, 12, a small switch, 13, a contact spring, 14, a connecting column, 15 and a hole.
Detailed Description
With reference to fig. 1, a first embodiment of the present invention will be described in detail, but the present invention is not limited to the claims.
As shown in fig. 1, a brushless dc pure signal switch can be directly soldered on an external PCB to improve efficiency; the switch has small volume and compact reversing structure.
In order to solve the problems, the invention provides a brushless direct-current pure signal switch which comprises a base (1), a cover plate (3), a button (8), a main spring (9), a connector (10), a push rod (5), a sliding elastic sheet (7) and a reversing mechanism, wherein the reversing mechanism comprises a shifting handle (2) and a small switch (12);
the push button (8) is connected with one end of the push rod (5), the sliding elastic sheet (7) is arranged on the push rod (5), the main spring (9) is sleeved at the other end of the push rod (5) and used for resetting the push rod (5) after moving, the connector (10) is used for being connected with an external electric tool, the shifting handle (2) is connected with one end of the small switch (12), the other end of the small switch (12) is connected with the connector (10), and the base (1) and the cover plate (3) are matched for use and used for placing the push button (8), the main spring (9), the connector (10), the push rod (5), the sliding elastic sheet (7), the shifting handle (2) and the small switch (12);
the small switch (12) is in contact with the dial handle (2) when the dial handle (2) is dialed to one side, the small switch (12) is not in contact with the dial handle (2), the small switch (12) is in an off state, the dial handle (2) is dialed to the other side, the small switch (12) is in contact with the dial handle (2) and a button of the small switch (12) is pressed to enable the small switch (12) to be switched on, and the function of converting signals is achieved after the small switch (12) is switched on.
More specifically, still include PCB board (11), be provided with copper (1101) and carbon membrane strip (1102) on PCB board (11), slip shell fragment (7) have two, be first slip shell fragment (701) and second slip shell fragment (702) respectively, through button (8) drive push rod (5) remove, first slip shell fragment (701) and second slip shell fragment (702) that set up on push rod (5) remove, first slip shell fragment (701) remove and realize the switch-on of electric signal with copper (1101), second slip shell fragment (702) remove and carbon membrane strip (1102) contact realization resistance adjusting's function.
More specifically, still include contact spring (13) and spliced pole (14), spliced pole (14) welding is in on PCB board (11), inside trompil (15) of base (1), place contact spring (13) in hole (15), spliced pole (14) patchhole (15) are interior, and it is fixed on PCB board (11) through contact spring (13) top, contact spring (13) are made for the metallic conductor material, can switch on the signal of telecommunication.
More specifically, the holes (15) are provided with 7 holes, wherein 2 holes are used for conducting electric signals, 2 holes are used for adjusting resistance, and 3 holes are used for reversing the electric signals.
More specifically, still include sealing washer (4), sealing washer (4) set up on push rod (5), play dustproof effect.
More specifically, still include shell fragment (6), shell fragment (6) set up on dialling handle (2), dial handle (2) and stir room feel better.
When in use, the utility model is used,
1. a resistance adjusting part: the push rod 5 is driven by the button 8, the push rod 5 drives the two groups of sliding elastic sheets 7, one group of sliding elastic sheets 701 are in contact with a copper plate 1101 on the PCB 11 to achieve the connection of electric signals, and the other group of sliding elastic sheets 702 are in contact with a carbon film strip 1102 on the PCB 11 to achieve the function of resistance adjustment.
2. A reversing part:
as shown in fig. 2, the small switch 12 is welded on the PCB 11, and when the dial 2 is dialed to the left, the small switch 12 is not in contact with the dial 2;
as shown in fig. 3, when the dial 2 is dialed to the right, the dial 2 will press the button of the small switch 12 to turn on the small switch, so as to achieve the function of converting signals.
3. As shown in fig. 4, the connection part with the external PCB board: and 7 small positioning columns 14 are directly inserted on the external PCB for welding. The switch is internally provided with a hole through the positioning column 14, and a contact spring 13 is arranged in the hole and is propped against the PCB 11.
In summary, the invention has the following advantages:
1. the switch passes through the reference column direct welding on outside PCB board, changes when customer's welded plate and realizes automaticly.
2. The reversing operation is realized by adopting a small-signal switch, the reversing function is realized in a narrow space, and the reversing device is safe and reliable.
It should be understood that the detailed description and specific examples, while indicating the embodiments of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
Claims (6)
1. The utility model provides a pure signal switch of brushless direct current, includes base (1), apron (3), button (8), main spring (9), connector (10), its characterized in that: the reversing mechanism comprises a shifting handle (2) and a small switch (12);
the push button (8) is connected with one end of the push rod (5), the sliding elastic sheet (7) is arranged on the push rod (5), the main spring (9) is sleeved at the other end of the push rod (5) and used for resetting the push rod (5) after moving, the connector (10) is used for being connected with an external electric tool, the shifting handle (2) is connected with one end of the small switch (12), the other end of the small switch (12) is connected with the connector (10), and the base (1) and the cover plate (3) are matched for use and used for placing the push button (8), the main spring (9), the connector (10), the push rod (5), the sliding elastic sheet (7), the shifting handle (2) and the small switch (12);
the small switch (12) is in contact with the dial handle (2) when the dial handle (2) is dialed to one side, the small switch (12) is not in contact with the dial handle (2), the small switch (12) is in an off state, the dial handle (2) is dialed to the other side, the small switch (12) is in contact with the dial handle (2) and a button of the small switch (12) is pressed to enable the small switch (12) to be switched on, and the function of converting signals is achieved after the small switch (12) is switched on.
2. The brushless dc pure signal switch of claim 1, wherein: still include PCB board (11), be provided with copper (1101) and carbon film strip (1102) on PCB board (11), slip shell fragment (7) have two, are first slip shell fragment (701) and second slip shell fragment (702) respectively, through button (8) drive push rod (5) remove, and first slip shell fragment (701) and second slip shell fragment (702) of setting on push rod (5) remove, and the switch-on of signal of telecommunication is realized with copper (1101) contact in first slip shell fragment (701) removal, and the function of transferring resistance is realized with carbon film strip (1102) contact in second slip shell fragment (702) removal.
3. The brushless dc pure signal switch of claim 2, wherein: still include contact spring (13) and spliced pole (14), spliced pole (14) welding is in on PCB board (11), base (1) inside trompil (15), place contact spring (13) in hole (15), spliced pole (14) patchhole (15) are interior, and it is fixed on PCB board (11) through contact spring (13) top, contact spring (13) are made for the metallic conductor material, can switch on the signal of telecommunication.
4. The brushless dc pure signal switch of claim 3, wherein: the number of the holes (15) is 7, wherein 2 holes are used for conducting electric signals, 2 holes are used for adjusting resistance, and 3 holes are used for reversing the electric signals.
5. The brushless dc pure signal switch of claim 1, wherein: still include sealing washer (4), sealing washer (4) set up on push rod (5).
6. The brushless dc pure signal switch of claim 1, wherein: the novel electric wrench is characterized by further comprising an elastic sheet (6), wherein the elastic sheet (6) is arranged on the shifting handle (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710902381.6A CN107591261B (en) | 2017-09-29 | 2017-09-29 | Brushless direct current pure signal switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710902381.6A CN107591261B (en) | 2017-09-29 | 2017-09-29 | Brushless direct current pure signal switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107591261A CN107591261A (en) | 2018-01-16 |
| CN107591261B true CN107591261B (en) | 2021-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710902381.6A Active CN107591261B (en) | 2017-09-29 | 2017-09-29 | Brushless direct current pure signal switch |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110323084A (en) * | 2019-07-22 | 2019-10-11 | 苏州华之杰电讯股份有限公司 | A kind of brushless motor integrated control switch |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203118792U (en) * | 2013-04-03 | 2013-08-07 | 苏州华之杰电讯有限公司 | Switch in electric tool |
| CN204884971U (en) * | 2015-08-21 | 2015-12-16 | 宁波良业电器有限公司 | Brushless electric tool control switch |
| CN205140793U (en) * | 2015-11-16 | 2016-04-06 | 宁波卡派斯电子科技有限公司 | Brushless electric tool switch structure |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202796565U (en) * | 2012-10-10 | 2013-03-13 | 乐清市杰拉华电器有限公司 | Speed-regulating switch of electric tool |
| EP2946886B1 (en) * | 2014-03-28 | 2017-02-22 | Black & Decker Inc. | Electronic switch and control module for a power tool |
| CN207752906U (en) * | 2017-09-29 | 2018-08-21 | 苏州华之杰电讯股份有限公司 | A kind of brushless direct-current pure signal switch |
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2017
- 2017-09-29 CN CN201710902381.6A patent/CN107591261B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203118792U (en) * | 2013-04-03 | 2013-08-07 | 苏州华之杰电讯有限公司 | Switch in electric tool |
| CN204884971U (en) * | 2015-08-21 | 2015-12-16 | 宁波良业电器有限公司 | Brushless electric tool control switch |
| CN205140793U (en) * | 2015-11-16 | 2016-04-06 | 宁波卡派斯电子科技有限公司 | Brushless electric tool switch structure |
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| CN107591261A (en) | 2018-01-16 |
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