CN211578611U

CN211578611U - Electronic reversing integrated switch

Info

Publication number: CN211578611U
Application number: CN202020369204.3U
Authority: CN
Inventors: 吴世明; 叶海浪
Original assignee: Suzhou Huazhijie Telecom Co ltd
Current assignee: Suzhou Huazhijie Telecom Co ltd
Priority date: 2020-03-20
Filing date: 2020-03-20
Publication date: 2020-09-25
Anticipated expiration: 2030-03-20

Abstract

The utility model relates to an electronic reversing integrated switch, which comprises a base and a cover body, wherein a push rod and a reversing driving lever are connected in the base, the push rod is provided with a control elastic sheet and a speed regulation elastic sheet, one end of the reversing driving lever, which is positioned in the base, is provided with a plurality of clamping grooves, when the reversing driving lever swings, different clamping grooves are replaced to be butted and positioned with a positioning mechanism, and the reversing elastic sheet is arranged on the reversing driving lever; the PCB board is arranged in the cover body, a control metal foil, a speed regulation metal foil, a reversing metal foil, an MOS tube and a processor are arranged on the PCB board, the base is in butt joint with the cover body, the control elastic sheet and the speed regulation elastic sheet are enabled to be in butt joint with each other on the PCB board, the control elastic sheet corresponds to the control metal foil, the speed regulation elastic sheet corresponds to the speed regulation metal foil, the reversing elastic sheet is just opposite to the reversing metal foil, the reversing deflector rod swings to drive the reversing elastic sheet to leave or contact the reversing metal foil, the cover body is larger than the base, the base only covers one end of the PCB board, and the MOS. The utility model discloses electric tool switch part and control unit's relation of connection have been simplified.

Description

Electronic reversing integrated switch

The technical field is as follows:

the utility model belongs to the technical field of the instrument switch, concretely relates to electronic reversing integrated switch.

Background art:

the switch for the brushless electric tool in the current market separates a switch part from a brushless motor control part, the switch only provides a speed regulation signal, the switch can not control the brushless motor, and the control of the brushless motor part is controlled by another control panel. The mode has the problems of complex connection between the switch and the control panel, poor reliability, low assembly efficiency, difficult maintenance, overhigh maintenance cost and the like.

The utility model has the following contents:

the utility model discloses the technical problem that will solve is: the electronic reversing integrated switch not only can provide a speed regulating signal and a reversing signal, but also has a control function, simplifies the connection relation between a switch part and a control part of the electric tool, improves the connection reliability between the switch part and the control part, and improves the assembly efficiency of the electric tool.

In order to solve the technical problem, the utility model discloses a technical scheme is: the electronic reversing integrated switch comprises a base and a cover body which are mutually matched, wherein a push rod is connected in the base in a sliding mode, one end of the push rod extends out of the base, the other end of the push rod is opposite to the inner wall of the base, a main spring is arranged between the other end of the push rod and the inner wall of the base, a control elastic sheet and a speed regulation elastic sheet are arranged on one side, facing the cover body, of the push rod positioned in the base, a reversing driving lever is further arranged in the base, one end of the reversing driving lever extends out of the base, the other end of the reversing driving lever is abutted to a positioning mechanism positioned in the base, the middle of the reversing driving lever is pivoted with the base, a plurality of clamping grooves are formed in one end, facing the cover body, of the reversing driving lever; the improved reversing switch comprises a cover body and is characterized in that a PCB is arranged in the cover body, a control metal foil, a speed regulation metal foil, a reversing metal foil, an MOS tube and a processor are arranged on the PCB, the base is in butt joint with the cover body, a control elastic sheet and the speed regulation elastic sheet are abutted to the PCB, the control elastic sheet corresponds to the control metal foil, the speed regulation elastic sheet corresponds to the speed regulation metal foil, the reversing elastic sheet is opposite to the reversing metal foil, the reversing deflector rod swings to drive the reversing elastic sheet to leave or contact the reversing metal foil, the cover body is larger than the base, the base only covers one end of the PCB, and the MOS tube and the processor are both.

As a preferred scheme, the base is further provided with two interface mounting through holes, the PCB board is provided with a data plug terminal and a power plug terminal, and when the base is fastened on the cover body, the data plug terminal and the power plug terminal are correspondingly plugged in the interface mounting through holes one by one.

As a preferred scheme, the number of the MOS tubes is multiple, each MOS tube is sleeved with a metal cooling fin, the metal cooling fin is bent into a shell-shaped structure by a metal plate and is buckled outside the corresponding MOS tube, and the metal cooling fin is spliced with the PCB and is spliced with the package shell of the MOS tube.

As a preferred scheme, the positioning mechanism comprises a plug, an auxiliary spring and steel balls, at least two clamping grooves are formed in the side wall of any side of the swinging surface of the reversing deflector rod, the distance from each clamping groove to the rotating central shaft of the reversing deflector rod is equal, a through hole opposite to any clamping groove is formed in the base, the plug, the auxiliary spring and the steel balls are sequentially arranged in the through hole, the steel balls are clamped with any clamping groove under the elastic action of the auxiliary spring, and when the reversing deflector rod is stirred, the reversing deflector rod is replaced by different clamping grooves and clamped with the steel balls, so that gear shifting and positioning are realized, and the reversing elastic sheet is in contact with or leaves the reversing metal foil.

The utility model has the advantages that: the utility model discloses a with treater, MOS pipe, control foil, speed governing foil and switching-over foil all integrated on same PCB board, make switching system and control system integration, avoided complicated wiring engineering, improve switch portion and control portion's connection reliability, improve electric tool's assembly efficiency. Meanwhile, the PCB is positioned through the cover body, the push rod and the reversing deflector rod are positioned through the base, and the opening and closing of the push rod control switch and the speed regulation are realized through the butt joint of the cover body and the base, and the motor steering is regulated through the reversing deflector rod. The utility model discloses still all set up MOS pipe and treater outside the base very much to improve heating element's radiating effect, improve the job stabilization nature and the life of switch.

The utility model discloses further realize processing the portable of power and being connected the refreshing of treater procedure through set up data jack terminal and power jack terminal on the PCB board, improve installation effectiveness and simple operation nature.

The utility model discloses further through at MOS outside of tubes suit shell form metal fin, greatly improved the radiating effect of MOS pipe, effectively reduced switch operating temperature, improve switch job stabilization nature and life.

The utility model discloses further through with the draw-in groove setting on arbitrary one side lateral wall of switching-over driving lever swing plane to can effectively prolong the switching-over driving lever and be located the inside length of base, enlarge the swing arc length that the switching-over driving lever is located the one end of base, enlarge the interval between each draw-in groove, improve the gear shift definition.

Description of the drawings:

the following detailed description of embodiments of the present invention is provided with reference to the accompanying drawings, in which:

fig. 1 is an exploded view of the present invention.

Fig. 2 is a schematic structural view of the assembled state of the present invention.

In fig. 1 and 2: 1. the device comprises a base, 2, a cover body, 3, a push rod, 4, a main spring, 5, a control elastic sheet, 6, a speed regulation elastic sheet, 7, a reversing deflector rod, 8, a positioning mechanism, 9, a clamping groove, 10, a reversing elastic sheet, 11, a PCB (printed circuit board), 12, a control metal foil, 13, a speed regulation metal foil, 14, a reversing metal foil, 15, an MOS (metal oxide semiconductor) tube, 16, a processor, 17, an interface mounting hole, 18, a data plug terminal, 19, a power plug terminal, 20, a metal radiating fin, 21, a plug, 22, an auxiliary spring, 23, a steel ball, 24, a through hole, 25, a button, 26 and an O-shaped ring.

The specific implementation mode is as follows:

the following describes in detail a specific embodiment of the present invention with reference to the drawings.

As shown in fig. 1 and 2, the electronic reversing integrated switch comprises a base 1 and a cover 2 which are matched with each other, a push rod 3 is connected in the base 1 in a sliding manner, one end of the push rod 3 extends out of the base 1, the other end of the push rod is opposite to the inner wall of the base 1 and is provided with a main spring 4 between the inner wall of the base, a control elastic sheet 5 and a speed regulation elastic sheet 6 are arranged on one side, facing the cover 2, of the push rod 3 inside the base 1, a button 25 is connected to the end of the push rod 3 outside the base 1, and the push rod 3 is connected with the side wall of the base 1. The base 1 is also internally provided with a reversing deflector rod 7, one end of the reversing deflector rod 7 extends out of the base 1, the other end of the reversing deflector rod 7 is abutted against a positioning mechanism 8 positioned in the base 1, the middle part of the reversing deflector rod 7 is pivoted with the base 1, one end of the reversing deflector rod 7 positioned in the base 1 is provided with a plurality of clamping grooves 9 for positioning during gear shifting, when the reversing deflector rod 7 swings, different clamping grooves 9 are replaced to be abutted against the positioning mechanism 8 for positioning, and one side of the reversing deflector rod 7 positioned in the base 1, which faces the cover body 2, is provided with a reversing elastic; the improved metal foil reversing device is characterized in that a PCB (printed circuit board) 11 is arranged in the cover body 2, a control metal foil 12, a speed regulation metal foil 13, a reversing metal foil 14, an MOS (metal oxide semiconductor) tube 15 and a processor 16 are arranged on the PCB 11, the base 1 and the cover body 2 are butted, so that the control elastic sheet 5 and the speed regulation elastic sheet 6 are butted on the PCB 11, the control elastic sheet 5 corresponds to the control metal foil 12, the speed regulation elastic sheet 6 corresponds to the speed regulation metal foil 13, the reversing elastic sheet 10 is just opposite to the reversing metal foil 14, the reversing deflector rod 7 swings to drive the reversing elastic sheet 10 to leave or contact the reversing metal foil 14, the cover body 2 is larger than the base 1, the base 1 only covers one end of the PCB 11, and the MOS tube.

The utility model discloses a with treater 16, MOS pipe 15, control foil 12, speed governing foil 13 and switching-over foil 14 all integrated on same PCB board 11, make switching system and control system integration, avoided complicated wiring engineering, improve switch portion and control portion's connection reliability, improve electric tool's assembly efficiency. Meanwhile, the PCB 11 is positioned through the cover body 2, the push rod 3 and the reversing deflector rod 7 are positioned through the base 1, and the switch and the speed regulation of the switch are controlled by the push rod 3 and the reversing of the motor is controlled by the reversing deflector rod 7 through the butt joint of the cover body 2 and the base 1. The utility model discloses still all set up MOS pipe 15 and treater 16 outside base 1 very much to improve MOS pipe 15 and treater 16's radiating effect, improve the job stabilization nature and the life of switch

As shown in fig. 1, the base 1 is further provided with two interface mounting through holes 17, and the PCB 11 is provided with data plug terminals 18 and power plug terminals 19, as shown in fig. 2, when the base 1 is fastened to the cover 2, the data plug terminals 18 and the power plug terminals 19 are plugged into the interface mounting through holes 17 in a one-to-one correspondence manner. The data plug-in terminal 18 and the power plug-in terminal 19 are arranged on the PCB 11 to realize the refreshing processing of the program of the processor 16 and the convenient connection of the power supply, thereby improving the installation efficiency and the operation convenience.

The number of the MOS tubes 15 is multiple, the metal radiating fins 20 are sleeved on each MOS tube 15, the metal radiating fins 20 are bent into a shell-shaped structure by metal plates and are buckled outside the corresponding MOS tube 15, and the metal radiating fins 20 are spliced with the PCB 11 and are attached to the packaging shell of the MOS tube 15. Through at the casing metal fin 20 of 15 overcoat dress of MOS pipe, greatly improved the radiating effect of MOS pipe 15, effectively reduce switch operating temperature, improve switch job stabilization nature and life

The positioning mechanism comprises a plug 21, an auxiliary spring 22 and steel balls 23, at least two clamping grooves 9 are formed in the side wall of any side of the swinging face of the reversing deflector rod 7, the distance from each clamping groove 9 to the rotating central shaft of the reversing deflector rod 7 is equal, a through hole 24 which is right opposite to any clamping groove 9 is formed in the base 1, the plug 21, the auxiliary spring 22 and the steel balls 23 are sequentially arranged in the through hole 24, the steel balls 23 are clamped with any clamping groove 9 under the elastic action of the auxiliary spring 22, when the reversing deflector rod 7 is shifted, the reversing deflector rod 7 is replaced by different clamping grooves 9 which are clamped with the steel balls 23, gear shifting and positioning are achieved, and the reversing elastic sheet 10 is enabled to be in contact with or leave.

The clamping grooves 9 are formed in the side wall of any one side of the swinging surface of the reversing driving lever 7, so that the length of the reversing driving lever 7 in the base 1 can be effectively prolonged, the swinging arc length of one end, located in the base, of the reversing driving lever 7 is enlarged, the distance between the clamping grooves 9 is enlarged, and the gear shifting definition is improved.

The utility model discloses the theory of operation is: as shown in fig. 1 and 2, when the electronic reversing integrated switch of the present invention is installed, the switch can be installed by welding an output terminal (not shown in the figure) on the PCB 11 with the motor of the electric tool, fixing the switch in the handle of the electric tool, extending the button 25 and the reversing lever 7 out of the handle of the electric tool, and connecting the terminal of the battery clamp to the power plug terminal 19.

When the speed regulation type electric bicycle is used, the button 25 is pressed to enable the push rod 3 to slide towards the base 1, the push rod 3 drives the control elastic sheet 5 and the speed regulation elastic sheet 6 to slide on the PCB 11, the control elastic sheet 5 is firstly connected with the control metal foil 12 to enable the motor to rotate at an initial rotating speed, and the push rod 3 is further pressed to enable the speed regulation elastic sheet to continuously slide on the speed regulation metal foil 13 to regulate the resistance value of the speed regulation metal foil 13 connected into a circuit and regulate the rotating speed of the motor.

When the motor is required to change the steering direction, the reversing deflector rod 7 is pulled, and if the initial state of the reversing elastic sheet 10 is separated from the reversing metal foil 14, the motor rotates forwards, when the reversing deflector rod 7 is pulled to enable the reversing elastic sheet 10 to be in contact with the reversing metal foil 14, the processor 16 receives an electric signal, and the processor 16 changes the polar direction of output current according to the electric signal, so that the steering direction of the motor is changed.

When the reversing lever 7 is shifted, each time the steel column 23 jumps to another slot 9, a gear is changed.

The above embodiments are merely illustrative of the principles and effects of the present invention, and some embodiments in use, and are not intended to limit the invention; it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications belong to the protection scope of the present invention.

Claims

1. The electronic reversing integrated switch comprises a base (1) and a cover body (2) which are matched with each other, and is characterized in that a push rod (3) is connected in the base (1) in a sliding manner, one end of the push rod (3) extends out of the base (1), the other end of the push rod is opposite to the inner wall of the base (1), a main spring (4) is arranged between the other end of the push rod and the inner wall of the base, one side, facing the cover body (2), of the push rod (3) in the base (1) is provided with a control elastic sheet (5) and a speed regulation elastic sheet (6), a reversing deflector rod (7) is further arranged in the base (1), one end of the reversing deflector rod (7) extends out of the base (1), the other end of the reversing deflector rod is abutted against a positioning mechanism (8) in the base (1), the middle part of the reversing deflector rod (7) is pivoted with the base (1), one end, when the reversing deflector rod (7) swings, different clamping grooves (9) are replaced to be abutted against the positioning mechanism (8) for positioning, and a reversing elastic sheet (10) is arranged on one side, facing the cover body (2), of the reversing deflector rod (7) positioned in the base (1); a PCB (11) is arranged in the cover body (2), a control metal foil (12), a speed regulation metal foil (13), a reversing metal foil (14), an MOS (metal oxide semiconductor) tube (15) and a processor (16) are arranged on the PCB (11), the base (1) is butted with the cover body (2), so that the control elastic sheet (5) and the speed regulation elastic sheet (6) are butted on the PCB (11), the control elastic sheet (5) corresponds to the control metal foil (12), the speed regulation elastic sheet (6) corresponds to the speed regulation metal foil (13), the reversing elastic sheet (10) is opposite to the reversing metal foil (14), the reversing elastic sheet (10) is driven to leave or contact the reversing metal foil (14) by the swinging of the reversing deflector rod (7), the cover body (2) is larger than the base (1), the base (1) only covers one end of the PCB (11), the MOS tube (15) and the processor (16) are both arranged outside the base (1).

2. The electronic reversing integrated switch according to claim 1, wherein the base (1) is further provided with two interface mounting through holes (17), the PCB (11) is provided with a data plug-in terminal (18) and a power plug-in terminal (19), and when the base (1) is fastened on the cover (2), the data plug-in terminal (18) and the power plug-in terminal (19) are correspondingly plugged in the interface mounting through holes (17).

3. The electronic commutation integrated switch of claim 1, wherein the number of the MOS transistors (15) is multiple, each MOS transistor (15) is sleeved with a metal heat sink (20), the metal heat sink (20) is bent into a shell-shaped structure by a metal plate, and is fastened outside the corresponding MOS transistor (15), and the metal heat sink (20) is inserted into the PCB (11) and is attached to the package housing of the MOS transistor (15).

4. Electronically commutated integrated switch according to claim 1, wherein the positioning mechanism comprises a plug (21), a secondary spring (22) and a steel ball (23), at least two clamping grooves (9) are arranged on the side wall of any side of the swinging surface of the reversing deflector rod (7), the distance from each clamping groove (9) to the rotating central shaft of the reversing deflector rod (7) is equal, a through hole (24) opposite to any clamping groove (9) is arranged on the base (1), the plug (21), the auxiliary spring (22) and the steel ball (23) are sequentially arranged in the through hole (24), the steel ball (23) is clamped with any clamping groove (9) under the elastic force action of the auxiliary spring (22), when the reversing deflector rod (7) is pulled, the reversing deflector rod (7) is replaced by a different clamping groove (9) to be clamped with the steel ball (23), so that gear shifting and positioning are realized, and the reversing elastic sheet (10) is in contact with or separated from the reversing metal foil (14).