CN214956581U

CN214956581U - Brushless integrated switch

Info

Publication number: CN214956581U
Application number: CN202121567324.5U
Authority: CN
Inventors: 蒋连发; 陈黎鹰
Original assignee: Fade Switches Co ltd
Current assignee: Fade Switches Co ltd
Priority date: 2021-07-09
Filing date: 2021-07-09
Publication date: 2021-11-30
Anticipated expiration: 2031-07-09

Abstract

The utility model provides a brushless integrated switch, belongs to switch technical field to the drawback that control switch can only the single control among the prior art, including base, the movable contact frame that slides and sets up on the base, movable contact frame one end is connected with the trigger, be equipped with PCB board, quiet contact piece in the base, with the springboard of quiet contact piece complex and make the movable contact frame reset the piece that resets, be equipped with on the movable contact frame along with the movable contact frame can slide and be used for driving the kickboard and contact with the reset block of quiet contact piece together, fixed being equipped with first contact on the movable contact frame, be equipped with the speed governing contact with first contact on the PCB board, when the kickboard is driven to kick-board and contact with the quiet contact piece by the reset block, first contact and speed governing contact; the PCB is also provided with a controller, and the speed regulation contact piece is electrically connected with the controller. The utility model discloses a synchronous control of two functions can be realized to the trigger that sets up, through the driving lever that sets up, the switching-over rotation control of motor can be realized.

Description

Brushless integrated switch

Technical Field

The utility model belongs to the technical field of electric tool, concretely relates to brushless integrated switch.

Background

The brushless integrated switch is a switch which integrates a switch mechanical part and a circuit control system part and is used for controlling an electric tool to work, common electric tools comprise an electric drill, an electric screwdriver, an electric wrench, an electric hammer and the like, and the integrated control switch can realize the starting, stopping, rotating speed, reversing and various protections of a motor of the electric tool; most of the existing brushless controllers realize the functions of the brushless controllers by a switch and a control board, but the brushless controllers have more wires, complex assembly of the whole machine, long circuits of the switch and the control board, large circuit impedance and influence on efficiency.

Disclosure of Invention

The utility model discloses to the drawback that control switch function singleness, complete machine assembly are complicated among the prior art, provide a brushless integrated switch, this switch presses the trigger and can realize the synchro control of two functions.

The invention aims to be realized by the following technical scheme: a brushless integrated switch comprises a base, a movable contact frame arranged on the base in a sliding manner, wherein one end of the movable contact frame is connected with a trigger, a PCB (printed circuit board), a static contact piece, a springboard matched with the static contact piece and a reset piece for resetting the movable contact frame are arranged in the base, a shifting block which can slide along with the movable contact frame and is used for driving the springboard to be contacted with the static contact piece is arranged on the movable contact frame, a first contact piece is fixedly arranged on the movable contact frame, a speed regulation contact piece matched with the first contact piece is arranged on the PCB, and when the shifting block drives the springboard to be contacted with the static contact piece, the first contact piece is contacted with the speed regulation contact piece; the PCB is also provided with a controller, and the speed regulation contact piece is electrically connected with the controller. In the above-mentioned scheme, press the trigger, can drive springboard and quiet contact piece contact, also can drive first contact and speed governing contact simultaneously, realize the control to two functions.

Preferably, a conductive contact matched with each other is fixedly arranged on the springboard and the static contact sheet respectively. Through the conductive contact, the springboard is better contacted with the static contact piece, and poor contact is not easy to occur.

Preferably, the base is internally and fixedly provided with a positioning column, the movable contact frame is sleeved on the positioning column and can only slide along the positioning column, the reset piece is a spring arranged between the base and the movable contact frame, and the reset piece is coiled on the positioning column. Through the cup joint setting of reference column and movable contact frame, it is more firm to make the movable contact frame slide on the base.

Preferably, a through hole is formed in the base, the movable contact frame penetrates through the through hole, a sealing ring is arranged in the through hole, and the movable contact frame penetrates through the sealing ring. The sealing washer can play dirt-proof effect.

Preferably, the trigger is fixedly connected with the movable contact frame.

Preferably, the PCB is further fixedly provided with a first reversing contact piece and a second reversing contact piece, the base is internally provided with a reversing sliding block in a sliding manner, the reversing sliding block is fixedly provided with a second contact piece, the base is further rotatably connected with a shifting lever used for driving the reversing sliding block to slide, when the shifting lever rotates clockwise, the shifting lever drives the reversing sliding block to slide in the forward direction, and the second contact piece on the reversing sliding block is in contact with the first reversing contact piece; when the deflector rod rotates anticlockwise, the deflector rod drives the reversing sliding block to slide reversely, and a second contact piece on the reversing sliding block is in contact with the second reversing contact piece; the first reversing contact piece and the second reversing contact piece are electrically connected with the controller respectively. The second contact piece can be controlled to be respectively contacted with the first reversing contact piece and the second reversing contact piece through the deflector rod, and the deflector rod can be used for controlling the reversing rotation of the motor.

Preferably, the PCB is further fixedly provided with a heat sink. Through the fin that sets up, can promote PCB board subassembly and switch module's radiating effect.

Preferably, a hall interface electrically connected with the PCB is further fixedly disposed on the outer side of the base.

Preferably, the controller is an MCU.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses a trigger that sets up can realize the control of two functions, simultaneously, through the driving lever that sets up, can realize the switching-over rotation control of motor.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the base;

FIG. 3 is a front view of a PCB board;

FIG. 4 is a rear view of the PCB;

the labels in the figure are: 1. the device comprises a base, 2, a movable contact frame, 3, a trigger, 4, a PCB (printed Circuit Board), 5, a static contact piece, 6, a springboard, 7, a reset piece, 8, a positioning column, 9, a sealing ring, 10, a shifting block, 13, a conductive contact, 14, a first contact piece, 15, a controller, 16, a speed regulation contact piece, 17, a first reversing contact piece, 18, a second reversing contact piece, 19, a radiating fin, 20, a reversing sliding block, 21, a second contact piece, 22, a shifting rod, 23 and a Hall interface.

Detailed Description

The invention will be further described with reference to the embodiments shown in the drawings to which:

example 1

As shown in fig. 1, 2, 3, and 4, a brushless integrated switch includes a base 1, a movable contact frame 2 slidably disposed on the base 1, a trigger 3 fixedly connected to one end of the movable contact frame 2, a PCB 4, a stationary contact piece 5, a spring plate 6 engaged with the stationary contact piece 5, and a reset piece 7 for resetting the movable contact frame 2 disposed in the base 1, a positioning column 8 fixedly disposed in the base 1, and the movable contact frame 2 sleeved on the positioning column 8 and only capable of sliding along the positioning column 8.

The moving contact frame 2 is provided with a shifting block 10 which can slide along with the moving contact frame 2 and is used for driving the springboard 6 to contact with the static contact piece 5. And a conductive contact 13 which is mutually matched is fixedly arranged on the springboard 6 and the static contact piece 5 respectively. The reset piece 7 is a spring arranged between the base 1 and the movable contact frame 2, and the reset piece 7 is wound on the positioning column 8. The base 1 is provided with a through hole, the movable contact frame 2 penetrates through the through hole, a sealing ring 9 is fixedly arranged in the through hole, and the movable contact frame 2 penetrates through the sealing ring 9.

The movable contact frame 2 is fixedly provided with a first contact piece 14, and the PCB 4 is provided with a controller 15, a speed regulation contact piece 16, a first reversing contact piece 17 and a second reversing contact piece 18. The speed regulation contact piece 16, the first reversing contact piece 17 and the second reversing contact piece 18 are respectively electrically connected with the controller 15. When the shifting block 10 drives the springboard 6 to contact with the static contact piece 5, the first contact piece 14 contacts with the speed regulation contact piece 16. And a heat radiating fin 19 is also fixedly arranged on the PCB 4. And a Hall interface 23 electrically connected with the PCB 4 is fixedly arranged on the outer side of the base 1. The controller 15 is an MCU.

A reversing sliding block 20 is arranged in the base 1 in a sliding manner, a second contact piece 21 is fixedly arranged on the reversing sliding block 20, a shifting lever 22 for driving the reversing sliding block 20 to slide is further connected to the base 1 in a rotating manner, when the shifting lever 22 rotates clockwise, the shifting lever 22 drives the reversing sliding block 20 to slide in the forward direction, and the second contact piece 21 on the reversing sliding block 20 is in contact with the first reversing contact piece 17; when the shift lever 22 rotates counterclockwise, the shift lever 22 drives the reversing sliding block 20 to slide in the reverse direction and the second contact 21 on the reversing sliding block 20 contacts with the second reversing contact 18.

The utility model discloses in, press trigger 3, trigger 3 can take movable contact frame 2 to slide, and movable contact frame 2 can take shifting block 10 to slide together, and shifting block 10 can drive the conductive contact 13 on springboard 6 and the conductive contact on the quiet contact piece 5, and simultaneously, first contact 14 on movable contact frame 2 contacts with speed governing contact 16 on the PCB board 4, and speed governing contact 16 just can send the signal for controller 15, through controller 15 removes the rotational speed of regulation and control motor. When the driving lever 22 rotates clockwise, the lever 22 drives the reversing sliding block 20 to slide forward, the second contact piece 21 on the reversing sliding block 20 is in contact with the first reversing contact piece 17, the first reversing contact piece 17 sends a signal to the controller 15, and the controller 15 sends a signal for controlling the motor to rotate forward. When the shift lever 22 rotates anticlockwise, the shift lever 22 drives the reversing sliding block 20 to slide in the reverse direction, the second contact piece 21 on the reversing sliding block 20 is in contact with the second reversing contact piece 18, the second reversing contact piece 18 sends a signal to the controller 15, and the controller 15 sends a signal for controlling the motor to rotate reversely, so that the reversing control of the motor is realized.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. A brushless integrated switch comprises a base (1) and a movable contact frame (2) arranged on the base (1) in a sliding manner, wherein one end of the movable contact frame (2) is connected with a trigger (3), it is characterized in that a PCB (4), a static contact piece (5), a springboard (6) matched with the static contact piece (5) and a reset piece (7) for resetting the movable contact frame (2) are arranged in the base (1), the movable contact frame (2) is provided with a shifting block (10) which can slide along with the movable contact frame (2) and is used for driving the springboard (6) to contact with the static contact piece (5), a first contact piece (14) is fixedly arranged on the movable contact frame (2), a speed regulation contact piece (16) matched with the first contact piece (14) is arranged on the PCB (4), when the shifting block (10) drives the springboard (6) to contact with the static contact piece (5), the first contact piece (14) contacts with the speed regulation contact piece (16); the PCB (4) is further provided with a controller (15), and the speed regulation contact piece (16) is electrically connected with the controller (15).

2. A brushless integrated switch according to claim 1, wherein a conductive contact (13) is fixedly arranged on the jumper plate (6) and on the stationary contact piece (5) respectively.

3. The brushless integrated switch according to claim 1, wherein the base (1) is internally and fixedly provided with a positioning column (8), the movable contact frame (2) is sleeved on the positioning column (8) and can only slide along the positioning column (8), the reset piece (7) is a spring arranged between the base (1) and the movable contact frame (2), and the reset piece (7) is coiled on the positioning column (8).

4. A brushless integrated switch according to claim 3, wherein the base (1) is provided with a through hole, the moving contact holder (2) passes through the through hole, a sealing ring (9) is arranged in the through hole, and the moving contact holder (2) passes through the sealing ring (9).

5. A brushless integrated switch according to claim 1, characterized in that the trigger (3) is fixedly connected to the moving contact holder (2).

6. A brushless integrated switch according to claim 1, wherein the PCB (4) is further fixedly provided with a first reversing contact (17) and a second reversing contact (18), the base (1) is slidably provided with a reversing slider (20), the reversing slider (20) is fixedly provided with a second contact (21), the base (1) is further rotatably connected with a shift lever (22) for driving the reversing slider (20) to slide, when the shift lever (22) rotates clockwise, the shift lever (22) drives the reversing slider (20) to slide forward, and the second contact (21) on the reversing slider (20) is in contact with the first reversing contact (17); when the deflector rod (22) rotates anticlockwise, the deflector rod (22) drives the reversing sliding block (20) to slide in the reverse direction, and a second contact piece (21) on the reversing sliding block (20) is in contact with the second reversing contact piece (18); the first reversing contact piece (17) and the second reversing contact piece (18) are respectively electrically connected with the controller (15).

7. A brushless integrated switch according to claim 1, wherein a heat sink (19) is further secured to the PCB board (4).

8. The brushless integrated switch according to claim 1, wherein a hall interface (23) electrically connected to the PCB board (4) is further fixed to an outer side of the base (1).

9. A brushless integrated switch according to claim 1, wherein the controller (15) is an MCU.