CN218730476U

CN218730476U - Light switch reversing mechanism and reversing speed regulation signal switch

Info

Publication number: CN218730476U
Application number: CN202222876108.XU
Authority: CN
Inventors: 陆亚洲; 贺培; 吴世明; 叶海能; 王奕; 郭惠玖; 孔令国
Original assignee: Suzhou Huazhijie Telecom Co ltd
Current assignee: Suzhou Huazhijie Telecom Co ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-03-24
Anticipated expiration: 2032-10-31

Abstract

The utility model relates to a light and handy type switch reversing mechanism and switching-over speed governing signal switch, through set up sectorial public copper foil and fan-shaped subsection on the PCB board at the outside switching-over copper foil of public copper foil, make the switching-over reed can be following the signal of reed seat wobbling in-process direct change over switch output, and then go the change of control load current direction through external controller, thereby reduced operating personnel and stirred the resistance that the handle was dialled in the switching-over, it is light and fast smooth and easy more to make the switching-over dial the handle rotation switching-over, improve the user and feel. Will light and handy type switch reversing mechanism use in the switching-over speed governing signal switch, can effectively reduce the switch operation degree of difficulty, realize operating light and handy switching-over speed governing signal switch.

Description

Light switch reversing mechanism and reversing speed regulation signal switch

Technical Field

The utility model belongs to the technical field of the switch, concretely relates to light and handy type switch reversing mechanism and switching-over speed governing signal switch.

Background

The reversing mechanism of the switch is usually composed of a shifting handle and a sliding block, the shifting handle drives the sliding block to slide, and then a reed on the sliding block is driven to slide along a copper foil on a PCB (printed circuit board) so as to realize the reversing function, but in the conventional switch at present, because the sliding direction of the sliding block is different from the swinging direction of the shifting handle, a chute is needed to decompose the swinging force of the shifting handle, the sliding block is driven to slide by utilizing the component force in the swinging direction of the shifting handle, and because the force has large loss in the decomposing process, the reversing mechanism is very laborious in application and has poor hand feeling.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem who at first will solve is: the light switch reversing mechanism is used for solving the technical problems that the traditional reversing mechanism is difficult to reverse and poor in hand feeling.

In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a light and handy type switch reversing mechanism, includes the switching-over that is provided with the reed and dials the handle and be provided with the PCB board of copper foil, the handle is dialled in the switching-over is including being used for rotating the pivot of being connected with the switch casing, and the pivot stretches out the outer swing arm of the outer one end fixedly connected with perpendicular to pivot axial of casing, and the pivot other end is located the casing and connects the axial interior swing arm of perpendicular to pivot, and interior swing arm free end fixedly connected with has a reed seat, the PCB board is fixed to be set up in the axial one end of pivot and just right with the reed seat, is provided with a public copper foil and two switching-over copper foils on the face of PCB board towards the reed seat, the public copper foil becomes fan-shaped, and the centre of a circle of public copper foil is located the axis of pivot, and two switching-over copper foils also become fan-shaped and subsection in the public copper foil long arc limit outside, along the long arc limit discrete range of public copper foil in proper order, the reed seat just is to one side fixedly connected with a switching-over reed and switching-over copper foil complex switching-over reed with public copper foil and switching-over reed, and switching-over reed butt make both switch-over on public copper foil and a switching-over copper foil.

As a preferred scheme, the extension directions of the outer swing arm and the inner swing arm are opposite, the free end of the outer swing arm is connected with a shifting lever parallel to the rotating shaft, one end, away from the rotating shaft, of the reed seat is provided with a blind hole extending to the rotating shaft direction, a spring is embedded in the blind hole, the opening of the blind hole is provided with a steel ball, and two ends of the spring abut against the bottom surfaces of the steel ball and the blind hole respectively.

The utility model discloses the technical problem that further solve is: the light reversing speed-regulating signal switch is provided to solve the technical problems of difficult reversing and poor hand feeling of the traditional reversing speed-regulating signal switch.

In order to solve the technical problem, the utility model adopts the technical scheme that a light reversing speed regulation signal switch comprises a switch shell and a switch reversing mechanism, wherein a PCB is inserted in the shell to divide the interior of the shell into a reversing cavity and a speed regulation cavity, an inner swing arm and a reed seat of a reversing shifting handle are arranged in the reversing cavity and parallel to the PCB, three caulking grooves which are sequentially arranged along the swing direction of the reed seat are arranged on the inner wall of the shell right opposite to a steel ball, the steel ball is embedded in any one of the caulking grooves, a speed regulation push rod which is inserted in the speed regulation cavity and parallel to the PCB is also connected on the switch shell in a sliding manner, one end of the speed regulation push rod, which is positioned in the switch, is fixedly connected with a slide block, a speed regulation reed and a switching reed which are attached to the PCB, one surface of the PCB is provided with the speed regulation reed, a speed regulation carbon film, an anode copper foil and a cathode copper foil which are matched with the switching reed, one end of the slide block, which is far away from the speed regulation push rod, is provided with a spring hole which extends axially, a reset spring is inserted in the reset spring hole, one end of the reset spring extends out of the reset spring and is connected with the inner wall of the shell, and an outer end of the speed regulation push button is connected with the speed regulation push rod.

As a preferred scheme, a groove is formed in one end, facing the outer swing arm, of the button, an upward protruding limiting rib is arranged on the bottom surface of the groove, the axial direction of the limiting rib points to the center of the rotating shaft, the outer swing arm is located above the bottom surface of the groove, the shifting lever is located on the side, back to the bottom surface of the groove, of the outer swing arm, a protection plate extending towards the bottom surface of the groove is arranged on the side, facing the groove, of the outer swing arm, and when the button is pressed down, the protection plate is inserted into the groove on one side of the limiting rib and is opposite to the side face of the limiting rib.

The utility model has the advantages that: the utility model discloses a set up sectorial public copper foil and fan-shaped subsection at the outside switching-over copper foil of public copper foil on the PCB board, make the switching-over reed can be following the signal of reed seat wobbling in-process direct change over switch output, and then go the change of control load current direction through external controller to reduced operating personnel and stirred the resistance that the handle was dialled in the switching-over, made the switching-over dial the handle rotate the switching-over light and easy more, improved the user and felt. Will light and handy type switch reversing mechanism use in the switching-over speed governing signal switch, can effectively reduce the switch operation degree of difficulty, realize operating light and handy switching-over speed governing signal switch.

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 schematic view of a three-dimensional structure of a light switch reversing mechanism of the present invention;

fig. 2 is an explosion schematic view of the light-weight type reversing speed-regulating signal switch of the present invention;

fig. 3 is a schematic view of the specific structure of the speed-adjusting push rod and the PCB of the present invention;

fig. 4 is a schematic view of the connection structure between the PCB board and the housing according to the present invention;

in FIGS. 1 to 4: 1. the device comprises a rotating shaft, 2, an outer swing arm, 3, an inner swing arm, 4, a reed seat, 5, a PCB (printed circuit board), 6, a common copper foil, 7, a reversing copper foil, 8, a reversing reed, 9, a deflector rod, 10, a blind hole, 11, a spring, 12, a steel ball, 13, a shell, 13a, a cover body, 13b, a base, 14, a reversing cavity, 15, a speed regulating cavity, 16, a caulking groove, 17, a speed regulating push rod, 18, a sliding block, 19, a speed regulating reed, 20, an opening and closing reed, 21, a speed regulating copper foil, 22, a speed regulating carbon film, 23, a positive copper foil, 24, a negative copper foil, 25, a spring hole, 26, a reset spring, 27, a button, 28, a groove, 29, a limiting rib, 30, a protection plate, 31 and a flat cable.

Detailed Description

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

As shown in figure 1, the light switch reversing mechanism comprises a reversing shifting handle 100 provided with a reed and a PCB 5 provided with a copper foil, wherein the reversing shifting handle 100 comprises a rotating shaft 1 which is used for being rotationally connected with a switch shell, one end of the rotating shaft 1 extending out of the shell is fixedly connected with an outer swing arm 2 vertical to the axial direction of the rotating shaft 1, the other end of the rotating shaft 1 is positioned in the shell and connected with an inner swing arm 3 vertical to the axial direction of the rotating shaft 1, the free end of the inner swing arm 3 is fixedly connected with a reed seat 4, the PCB 5 is fixedly arranged at one end of the rotating shaft 1 in the axial direction and is just opposite to the reed seat 4, the surface of the PCB 5 facing the spring seat 4 is provided with a common copper foil 6 and two reversing copper foils 7, the common copper foil 6 is fan-shaped, the circle center of the common copper foil 6 is located on the axis of the rotating shaft 1, the two reversing copper foils 7 are also fan-shaped and are distributed outside the long arc edges of the common copper foil 6, the two reversing copper foils are sequentially and discretely arranged along the long arc edges of the common copper foil 6, one surface of the spring seat 4 facing the PCB 5 is fixedly connected with a reversing spring 8 matched with the common copper foil 6 and the reversing copper foils 7, and the reversing spring 8 is abutted against the common copper foil 6 and the reversing copper foils 7 to enable the two to be conducted.

In this embodiment, the extending directions of the outer swing arm 2 and the inner swing arm 3 are opposite, the free end of the outer swing arm 2 is connected with a shifting lever 9 parallel to the rotating shaft 1 so as to be convenient for shifting by a user, one end of the reed seat 4 far away from the rotating shaft 1 is provided with a blind hole 10 extending to the rotating shaft 1, a spring 11 is embedded in the blind hole 10, a steel ball 12 is arranged at the opening part of the blind hole 10, two ends of the spring 12 are respectively abutted to the bottom surfaces of the steel ball 12 and the blind hole 10, and the spring 12 is used for providing gear feeling for the switch reversing mechanism in practical application.

The working process of the embodiment is as follows: as shown in fig. 1, when the switch reversing mechanism according to this embodiment is used to change the current direction, an operator only needs to toggle the shift lever 9 to drive the outer swing arm 2 to swing, the outer swing arm 2 drives the rotating shaft 1 to rotate, the rotating shaft 1 drives the inner swing arm 3 to swing, the inner swing arm 3 drives the reed seat 4 to swing, the reed seat 4 drives the reversing reed 8 to slide on the PCB 5, so that the reversing reed 8 moves from one reversing copper foil 7 to another reversing copper foil 7, the signal output by the switch is changed, the external controller can control the change of the load current direction, and the reversing reed 8 is always in contact with the common copper foil 6. Of course, in actual production and application, the commutation reed 8 can be swung to replace different commutation copper foils 7 to be communicated with the common copper foil 6, so that the reverse current is directly output, and the commutation function is realized.

Because the switch reversing mechanism of this embodiment of drive does not have the resolution phenomenon of power, also can not have drive power and be lost, consequently adopt this embodiment switch reversing mechanism can greatly reduce the operation degree of difficulty, obtains the technological effect that the switching-over was adjusted lightly.

Example 2:

as shown in fig. 2 to 4, the light-weight reversing speed-regulating signal switch includes a switch housing 13 and a switch reversing mechanism according to the above embodiment, in this embodiment, the housing 13 is formed by combining a cover 13a and a base 13b, a PCB 5 is inserted into the housing 13 to divide the interior of the housing 13 into a reversing cavity 14 and a speed-regulating cavity 15, the inner swing arm 3 and the spring seat 4 of the reversing lever 100 are disposed in the reversing cavity 14 and parallel to the PCB 5, three caulking grooves 16 are disposed on the inner wall of the housing 13 facing the steel ball 12 and sequentially arranged along the swinging direction of the spring seat 4, the steel ball 12 is embedded in any one of the caulking grooves 16, when the reversing lever 100 is shifted, the spring seat 4 drives the steel ball 12 to move between different caulking grooves 16, so that a user feels a distinct gear feeling, the total number of the three caulking grooves 16 of this embodiment is provided, when the steel ball 12 is disposed in the middle caulking groove 16, the reversing spring 8 does not contact with any one of the reversing copper foil 7, and there is no output even if the switch is closed, and thus the switch belongs to an open-protection state. The switch shell 13 is also connected with a speed regulation push rod 17 which is inserted into the speed regulation cavity 15 and is parallel to the PCB 5 in a sliding mode, one end, located inside the switch, of the speed regulation push rod 17 is fixedly connected with a sliding block 18, a speed regulation reed 19 and a switching reed 20 which are attached to the PCB 5 are arranged on the sliding block 18, one surface, facing the sliding block 18, of the PCB 5 is provided with a speed regulation copper foil 21 and a speed regulation carbon film 22 which are matched with the speed regulation reed 19, and an anode copper foil 23 and a cathode copper foil 24 which are matched with the switching reed 20, one end, far away from the speed regulation push rod 17, of the sliding block 18 is provided with a spring hole 25 which extends along the axial direction of the speed regulation push rod 17, a reset spring 26 is inserted in the spring hole 25, one end of the reset spring 26 extends out of the spring hole 25 and abuts against the inner wall of the shell 13, and the outer end of the speed regulation push rod 17 is connected with a button 27.

In this embodiment, the button 27 is provided with a recess 28 towards the one end of outer swing arm 2, is provided with an ascending bellied spacing rib 29 on the bottom surface of recess 28, the directional pivot 1 center of the axial of spacing rib 29, outer swing arm 2 is located recess 28 bottom surface top, and driving lever 9 is located the one side of outer swing arm 2 back to recess 28 bottom surface, and outer swing arm 2 is just provided with a guard plate 30 that extends to recess 28 bottom surface to the one side of recess 28, and when button 27 was pressed, guard plate 30 inserted in the recess 28 of spacing rib 29 one side and relative with spacing rib 29 side, can effectively avoid switching-over under the switch closure state and cause the damage of load like this.

In the present embodiment, as shown in fig. 2 and 4, one end of the PCB 5 passes through the housing 13 and extends out of the housing 13, and is connected with the flat cable 31.

The working process of the embodiment is as follows: as shown in fig. 2-4, when the button 27 of the switch is not pressed, the switch is in an off state, at the moment, the protection plate 30 is located outside the groove 28, an operator can toggle the shift lever 9 to change the direction, then the button 27 is pressed, the protection plate 30 is inserted into the groove 28 on one side of the limiting rib 29 when the button 27 is pressed, the protection plate 30 is opposite to the limiting rib 29 in a switch closing state, the reversing shift handle 100 cannot be toggled at the moment, and the damage to the load caused by reversing in the switch closing state can be avoided.

The foregoing embodiments are merely illustrative of the principles and effects of the present invention, as well as some embodiments, 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. A light switch reversing mechanism comprises a reversing toggle handle (100) provided with a reed and a PCB (5) provided with a copper foil, it is characterized in that the reversing toggle comprises a rotating shaft (1) which is rotationally connected with the switch shell, one end of the rotating shaft (1) extending out of the shell is fixedly connected with an outer swing arm (2) which is vertical to the axial direction of the rotating shaft (1), the other end of the rotating shaft (1) is positioned in the shell and is connected with an inner swing arm (3) which is vertical to the axial direction of the rotating shaft (1), the free end of the inner swing arm (3) is fixedly connected with a reed seat (4), the PCB (5) is fixedly arranged at one axial end of the rotating shaft (1) and is opposite to the reed seat (4), a common copper foil (6) and two reversing copper foils (7) are arranged on the surface of the PCB (5) facing the reed seat (4), the common copper foil (6) is fan-shaped, the circle center of the common copper foil (6) is positioned on the axis of the rotating shaft (1), the two reversing copper foils (7) are also fan-shaped and are distributed outside the long arc edge of the common copper foil (6) and are sequentially and discretely arranged along the long arc edge of the common copper foil (6), one surface, opposite to the PCB (5), of the reed seat (4) is fixedly connected with a reversing reed (8) matched with the common copper foil (6) and the reversing copper foil (7), and the reversing reed (8) is abutted against the common copper foil (6) and the reversing copper foil (7) to conduct the common copper foil and the reversing copper foil.

2. The light switch reversing mechanism according to claim 1, characterized in that the extending directions of the outer swing arm (2) and the inner swing arm (3) are opposite, the free end of the outer swing arm (2) is connected with a shift lever (9) parallel to the rotating shaft (1), one end of the reed seat (4) far away from the rotating shaft (1) is provided with a blind hole (10) extending towards the rotating shaft (1), a spring (11) is embedded in the blind hole (10), the opening of the blind hole (10) is provided with a steel ball (12), and two ends of the spring (11) are respectively abutted against the bottom surfaces of the steel ball (12) and the blind hole (10).

3. A light reversing speed regulation signal switch comprises a switch shell (13) and is characterized by further comprising the switch reversing mechanism of claim 2, wherein a PCB (5) is inserted into the shell (13) to divide the interior of the shell (13) into a reversing cavity (14) and a speed regulation cavity (15), an inner swing arm (3) and a reed seat (4) of a reversing shifting handle (100) are arranged in the reversing cavity (14) and are parallel to the PCB (5), three caulking grooves (16) which are sequentially arranged along the swinging direction of the reed seat (4) are arranged on the inner wall of the shell (13) opposite to steel balls (12), the steel balls (12) are embedded in any one of the caulking grooves (16), a speed regulation push rod (17) which is inserted into the speed regulation cavity (15) and is parallel to the PCB (5) is further connected onto the switch shell (13) in a sliding mode, one end of the push rod (17) which is positioned inside the switch is fixedly connected with a slide block (18), the slide block (18) is provided with a speed regulation push rod (19) which is attached to the PCB (5) and is connected with the opening and closing reed (20), one side of the speed regulation reed (18) which is matched with a copper foil (21), and a copper foil (22) which is arranged on which is opposite to the speed regulation reed (20), and a copper foil (22) which are arranged on the speed regulation reed (22), one end of the sliding block (18) far away from the speed regulation push rod (17) is provided with a spring hole (25) extending along the axial direction of the speed regulation push rod (17), a return spring (26) is inserted in the spring hole (25), one end of the return spring (26) extends out of the spring hole (25) and is abutted against the inner wall of the shell (13), and the outer end of the speed regulation push rod (17) is connected with a button (27).

4. The light reversing speed-regulating signal switch according to claim 3, characterized in that a groove (28) is formed in one end of the button (27) facing the outer swing arm (2), an upward protruding limiting rib (29) is arranged on the bottom surface of the groove (28), the axial direction of the limiting rib (29) is towards the center of the rotating shaft (1), the outer swing arm (2) is located above the bottom surface of the groove (28), the shift lever (9) is located on the surface of the outer swing arm (2) opposite to the bottom surface of the groove (28), a protection plate (30) extending towards the bottom surface of the groove (28) is arranged on the surface of the outer swing arm (2) opposite to the groove (28), and when the button (27) is pressed down, the protection plate (30) is inserted into the groove (28) on one side of the limiting rib (29) and is opposite to the side surface of the limiting rib (29).