Electromagnetic induction type rocker potentiometer

Abstract

The utility model discloses an electromagnetic induction type rocker potentiometer which comprises a body, an upper rocker arm, a lower rocker arm, a rocker, a supporting device, a spring, a sliding block, a circuit board and a fixed support, and the rocker sequentially penetrates through the body, the upper rocker arm and the lower rocker arm and is connected with the lower rocker arm; the lower end of the rocker is axially provided with a rocker center hole, the cylinder portion of the supporting device is movably inserted into the rocker center hole, the lower end of the spring is installed in the cylinder portion, and the upper end of the spring abuts against the top end of the rocker center hole. The fixing support is connected with the body, the circuit board is installed on the fixing support, and the disc-shaped base of the supporting device penetrates through a middle hole of the circuit board and abuts against the fixing support. Swinging parts of the upper rocker arm and the lower rocker arm are movably connected with the sliding block; the circuit board is provided with a magnetic induction module, the sliding block is provided with a permanent magnet, and the permanent magnet is matched with the magnetic induction module in a magnetic induction mode. No isolation plate is arranged between the magnet and the magnetic induction module, so that the induction sensitivity is high; the supporting device is good in stability, and the rocker is good in resetting and centering effect.

Description

TECHNICAL FIELD

[0001] The utility model relates to potentiometer technical field, especially related to an electromagnetic induction type rocker potentiometer. BACKGROUND

[0002] The rocker potentiometer is a variable potentiometer suitable for the rocker control handle of the unmanned aerial vehicle, game machine and the like, and the internal related component state change of the unmanned aerial vehicle, game machine and the like can be controlled by shaking the rocker of the rocker potentiometer.

[0003] Referring to patent document CN114930483A, a multidirectional input device is disclosed, which comprises a housing having an opening portion; an operation member having an operation portion provided outside the housing and operated, and a shaft portion extending from the operation portion and inserted into the opening portion, the operation member being capable of performing an operation of tilting with respect to the housing and an operation of pressing into the housing; and a cover member covering the periphery of the shaft portion, abutting against the housing when the operation member is operated by the pressing operation. It also includes a support portion supporting the operation member to the bottom of the housing; and a spring provided between the support portion and the operation member, applying a force to the operation member in a direction opposite to the direction of the pressing operation with respect to the support portion, the cover member being capable of moving along the shaft portion in the extension direction of the spring, there being a gap between the operation portion and the cover member in a state where the operation member is not operated by the pressing operation, and the operation portion abutting against the cover member in a state where the operation member is operated by the pressing operation. It also includes a magnetic sensor, a magnet and an FPC, the magnetic sensor is installed in the approximate center of the upper surface of the FPC, the magnet is installed in the cylindrical structure of the support portion, and cooperates with the magnetic sensor for magnetic induction, the operation member and the support portion detect the displacement of the magnet in the X direction and the Y direction when tilting.

[0004] However, the patent CN114930483A has the following problems: since the support portion at the lower end of the operation member cannot touch the magnetic sensor, a plate for supporting the support portion must be installed between the support portion and the magnetic sensor, and the plate is made of metal. However, after the plate is installed, the magnet in the support portion and the magnetic sensor are physically isolated by the plate, especially the plate made of metal, which can easily affect the magnetic field of the magnet, thereby reducing the sensitivity of the magnetic sensor to the magnetic field of the magnet. UTILITY MODEL CONTENTS

[0005] The utility model wants to solve the technical problem in view of the above prior art, provide a kind of electromagnetic induction type rocker potentiometer, the rocker potentiometer is magnetically inductive cooperation by the magnet in slider and the magnetic induction module on circuit board, realize the inductive of rocker dumping change, there is no isolation plate between magnet and magnetic induction module, and sensitivity is high;At the same time, the support of the rocker potentiometer is supported on the fixed support, and the stability is good, and the spring in the support can produce good reset centering effect on the rocker.

[0006] To solve the above technical problems, the technical scheme of the utility model is: an electromagnetic induction type rocker potentiometer, including body, upper rocker arm, lower rocker arm, rocker, support, spring, slider, circuit board and fixed support, the lower side of the body is provided with cavity and sliding slot, the upper rocker arm, lower rocker arm are sequentially installed in the cavity from top to bottom, the rocker sequentially passes through body, upper rocker arm and lower rocker arm and is connected with lower rocker arm;The lower end of the rocker is axially provided with rocker hole, the support includes cylindrical portion and disc-shaped base connected to the bottom end of the cylindrical portion, the diameter of the disc-shaped base is greater than the diameter of the cylindrical portion, the cylindrical portion is movably inserted into the rocker hole, the lower end of the spring is installed in the cylindrical portion, and the upper end of the spring is abutted on the top end of the rocker hole;The fixed support is connected with the body, the circuit board is installed on the fixed support, the circuit board is provided with circuit board hole, the disc-shaped base of the support passes through the circuit board hole and is abutted on the fixed support;One end of the upper rocker arm and the lower rocker arm is provided with a swing part, the swing part is movably connected with the slider, and the slider is slidably installed in the sliding slot;The circuit board is provided with a magnetic induction module, the slider is provided with a permanent magnet, and the permanent magnet is magnetically inductive cooperation with the magnetic induction module.

[0007] In the above technical scheme, the middle part of the fixed support is provided with a disc-shaped protruding part, the disc-shaped protruding part extends upward into the circuit board hole, and the height gradually increases from the edge part to the center part of the disc-shaped protruding part;The disc-shaped base of the support is abutted on the disc-shaped protruding part, and the lower side edge of the disc-shaped base is an arc surface.

[0008] In the above technical scheme, the middle part of the lower rocker arm is provided with a rocker connecting slot, and the lower end of the rocker is movably installed in the rocker connecting slot;The side part of the rocker connecting slot is provided with a clamping hole part, and the lower end of the rocker is provided with a clamping shaft part, which is rotatably clamped into the clamping hole part.

[0009] In the above technical scheme, the other end of the lower rocker arm is integrally connected with a pressing block, the shape of the pressing block is fan-shaped, the circuit board is provided with a potzai piece button, and the pressing block is pressed cooperation with the potzai piece button.

[0010] In the above technical scheme, the lower end of the swing part is connected with a push rod, the side surface of the push rod is an arc surface, one side of the sliding block is provided with a slot, and the push rod is movably inserted into the slot of the sliding block.

[0011] In the above technical scheme, the sliding groove comprises a first sliding groove and a second sliding groove, the included angle between the first sliding groove and the second sliding groove is a right angle, the sliding block comprises a first sliding block and a second sliding block, the first sliding block is slidably installed in the first sliding groove, and the second sliding block is slidably installed in the second sliding groove; the upper swing arm is correspondingly matched with the first sliding block, and the lower swing arm is correspondingly matched with the second sliding block; the permanent magnet comprises a first permanent magnet and a second permanent magnet, the first permanent magnet is installed in the first sliding block, and the second permanent magnet is installed in the second sliding block; the first permanent magnet and the second permanent magnet are cuboid permanent magnets respectively, the length direction of the first permanent magnet is consistent with the sliding direction of the first sliding block, and the length direction of the second permanent magnet is consistent with the sliding direction of the second sliding block; the magnetic induction module comprises a first magnetic induction module and a second magnetic induction module, the first permanent magnet is magnetically inductively matched with the first magnetic induction module, and the second permanent magnet is magnetically inductively matched with the second magnetic induction module.

[0012] In the above technical scheme, the circuit board is an FPC soft board, and the FPC soft board is provided with a wire harness.

[0013] In the above technical scheme, the upper end of the rocker is provided with a rocker cap, a silica gel cap is sleeved outside the rocker cap, and the lower end of the silica gel cap is inserted into the annular limiting groove of the rocker cap.

[0014] In the above technical scheme, the body is provided with a dustproof decorative cover and a flexible dust cover, and the rocker passes through the flexible dust cover and the dustproof decorative cover.

[0015] The utility model discloses a beneficial effect is: the utility model discloses in the process of pouring the rocker, the rocker can drive the upper swing arm and / or lower swing arm deflection, and the upper swing arm and / or lower swing arm drive the sliding block sliding through the swing part again, and the sliding block drives the permanent magnet to move again, finally, the magnetic induction module on the circuit board senses the movement change of the permanent magnet, and outputs the electric signal, thereby realizing the induction of the change of the rocker pouring, and the permanent magnet and the magnetic induction module are without the isolation plate, and the induction sensitivity is high, at the same time, the disc-shaped base of the support device passes through the hole in the circuit board and abuts on the fixed support, and there is no need to additionally set the plate of supporting the support device, the stability of the support device is good, when the rocker is poured, the spring in the support device is compressed, when the user releases the rocker, the spring in the support device releases the elastic force, and good reset centering effect is generated to the rocker. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1The whole structure schematic view of the utility model.

[0017] Figure 2 The longitudinal section structure schematic view of the utility model.

[0018] Figure 3 The first visual angle dispersion structure view of the utility model.

[0019] Figure 4 The second visual angle dispersion structure view of the utility model. DETAILED DESCRIPTION

[0020] The structure principle and working principle of the utility model will be further explained in detail below in combination with the drawings.

[0021] As Figures 1-4 shown, the utility model is a kind of electromagnetic induction type rocker potentiometer, including body 1, upper rocker arm 2, lower rocker arm 3, rocker 4, support 5, spring 6, sliding block 7, circuit board 8 and fixed support 9, the lower side of body 1 is equipped with cavity 11 and sliding slot 12, upper rocker arm 2, lower rocker arm 3 are sequentially installed in cavity 11 from top to bottom, rocker 4 sequentially passes body 1, upper rocker arm 2 and lower rocker arm 3 and is connected with lower rocker arm 3;The lower end of rocker 4 is axially equipped with rocker middle hole 41, support 5 includes cylindrical portion 51 and disc-shaped base 52 connected to the bottom end of cylindrical portion 51, and the diameter of disc-shaped base 52 is greater than the diameter of cylindrical portion 51, cylindrical portion 51 is movably inserted in rocker middle hole 41, the lower end of spring 6 is installed in cylindrical portion 51, and the upper end of spring 6 is abutted on the top end of rocker middle hole 41;Fixed support 9 is connected with body 1, circuit board 8 is installed on fixed support 9, circuit board 8 is provided with circuit board middle hole 81, disc-shaped base 52 of support 5 passes through circuit board middle hole 81 and is abutted on fixed support 9;One end of upper rocker arm 2 and lower rocker arm 3 is equipped with swing part 21, 31, swing part 21, 31 is movably connected with sliding block 7, sliding block 7 is slidably installed in sliding slot 12;Circuit board 8 is equipped with magnetic induction module 82, sliding block 7 is equipped with permanent magnet 73, and permanent magnet 73 is magnetically inductive with magnetic induction module 82.

[0022] The utility model discloses in the process of dumping rocker 4, and rocker 4 can drive upper rocker arm 2 and / or lower rocker arm 3 deflection, and upper rocker arm 2 and / or lower rocker arm 3 pass through swing part 21,31 and drive sliding block 7 sliding again, and sliding block 7 moves again by permanent magnet 73, and finally by the magnetic induction module 82 on circuit board 8 senses the movement change of permanent magnet 73, and exports electric signal, thereby realizes the induction of the dumping change of rocker 4, and there is no isolation plate between permanent magnet 73 and magnetic induction module 82, and the sensing sensitivity is high, and at the same time, the disc-shaped base 52 of the support 5 of the utility model passes through circuit board hole 81 and is on top of fixed support 9, and there is no need to additionally set up the plate of supporting support 5, and the stability of support 5 is good, and when dumping, the spring 6 in support 5 is compressed, and when the user releases rocker 4, the spring 6 in support 5 releases the elastic force, and good reset centering effect is generated to rocker 4.

[0023] As Figures 2-4 Shown, the middle part of fixed support 9 is equipped with disc-shaped convex part 91, and disc-shaped convex part 91 stretches into circuit board hole 81, and the height gradually increases from the edge of disc-shaped convex part 91 to the center, and the disc-shaped base 52 of support 5 is on top of disc-shaped convex part 91, and the lower side edge of disc-shaped base 52 is arc surface. This structure can make the disc-shaped base 52 of support 5 stably dump or reset on top of disc-shaped convex part 91.

[0024] As Figures 3-4 Shown, the middle part of lower rocker arm 3 is equipped with rocker connecting groove 32, and the lower end of rocker 4 is movably installed in rocker connecting groove 32, and the side of rocker connecting groove 32 is equipped with clamping hole part 321, and the lower end of rocker 4 is equipped with clamping shaft part 42, and clamping shaft part 42 is rotatably clamped into clamping hole part 321.

[0025] As Figures 2-4 Shown, the other end of lower rocker arm 3 is integrally connected with pressing block 33, and the shape of pressing block 33 is fan type, and the upper side of circuit board 8 is equipped with pot piece button 83, and pressing block 33 and pot piece button 83 are pressed and matched. When pressing block 33 presses pot piece button 83, circuit board 8 can output button signal, and pressing block 33 adopts fan type structure, and when pressing block is in dumping state, pot piece button 83 can still be pressed.

[0026] As Figures 2-4 Shown, the lower end of swing part 21,31 is connected with push rod 211,311, and the side of push rod 211,311 is arc surface, and one side of sliding block 7 is equipped with slot 711,721, and push rod 211,311 is movably inserted into slot 711,721 of sliding block 7.

[0027] AsFigures 2-4 As shown, the slide groove 12 includes a first slide groove 121 and a second slide groove 122, and the included angle between the first slide groove 121 and the second slide groove 122 is a right angle. The slider 7 includes a first slider 71 and a second slider 72. The first slider 71 is slidably installed in the first slide groove 121, and the second slider 72 is slidably installed in the second slide groove 122. The upper rocker arm 2 is correspondingly engaged with the first slider 71, and the lower rocker arm 3 is correspondingly engaged with the second slider 72. The permanent magnet 73 includes a first permanent magnet 731 and a second permanent magnet 732. The first permanent magnet 731 is installed in the first slider 71, and the second permanent magnet 732 is installed in the second slider 72. The first permanent magnet 731 and the second permanent magnet 732 are both cuboid permanent magnets 73. The length direction of the first permanent magnet 731 is consistent with the sliding direction of the first slider 71, and the length direction of the second permanent magnet 732 is consistent with the sliding direction of the second slider 72. The magnetic induction module 82 includes a first magnetic induction module 821 and a second magnetic induction module 822. The first permanent magnet 731 is magnetically inductively coupled with the first magnetic induction module 821, and the second permanent magnet 732 is magnetically inductively coupled with the second magnetic induction module 822.

[0028] like Figures 1-4 As shown, in a preferred embodiment of this utility model, the circuit board 8 is an FPC flexible board, and the FPC flexible board is provided with a ribbon cable that extends out of the fixing bracket 9.

[0029] like Figures 1-4 As shown, the upper end of the joystick 4 has a joystick cap 43, and a silicone cap 44 is fitted over the joystick cap 43. The edge of the joystick cap 43 is provided with an annular limiting groove 431, and the lower end of the silicone cap 44 is inserted into the annular limiting groove 431. The structure of the joystick cap 43 and the silicone cap 44 can improve the comfort of operation.

[0030] like Figures 1-4 As shown, a dustproof decorative cover 13 and a flexible dustproof cover 14 are installed on the main body 1, and the rocker arm 4 passes through the flexible dustproof cover 13 and the dustproof decorative cover 14. The flexible dustproof cover 14 can provide dust protection, and the dustproof decorative cover 14 can provide both decoration and dust protection.

[0031] The above description is merely a preferred embodiment of this utility model. Any minor modifications, equivalent changes, and alterations made to the above embodiments based on the technical solution of this utility model shall fall within the scope of the technical solution of this utility model.

Claims

1. An electromagnetic induction type rocker potentiometer characterized by: The utility model provides a kind of swing arm type magnetic induction switch, including body, upper rocker arm, lower rocker arm, rocker, support, spring, slider, circuit board and fixed support, the body lower side is equipped with cavity and sliding slot, the upper rocker arm, lower rocker arm are sequentially installed in cavity from top to bottom, the rocker is sequentially passed through body, upper rocker arm and lower rocker arm and is connected with lower rocker arm;The lower end of the rocker is axially equipped with rocker hole, the support includes cylinder portion and the disc-shaped base connected to the bottom end of cylinder portion, the diameter of disc-shaped base is greater than the diameter of cylinder portion, the cylinder portion is movably inserted in rocker hole, the lower end of spring is installed in cylinder portion, and the upper end of spring is abutted on the top end of rocker hole;The fixed support is connected with body, the circuit board is installed on fixed support, the circuit board is equipped with circuit board hole, the disc-shaped base of support passes through circuit board hole and is abutted on fixed support;One end of the upper rocker arm and lower rocker arm is equipped with swing part, swing part is movably connected with the slider, and the slider is slidably installed in sliding slot;The circuit board is equipped with magnetic induction module, and the slider is equipped with permanent magnet, and permanent magnet is magnetically inductive with magnetic induction module.

2. The electromagnetic induction rocker potentiometer according to claim 1, characterized in that: The middle part of the fixed support is equipped with disc-shaped convex part, and the disc-shaped convex part extends upward into the circuit board hole, and the height gradually increases from the edge of the disc-shaped convex part to the center part;The disc-shaped base of the support is abutted on the disc-shaped convex part, and the lower side edge of the disc-shaped base is arc surface.

3. The electromagnetic induction joystick potentiometer according to claim 1, characterized in that: The middle part of the lower rocker arm is equipped with rocker connecting groove, and the lower end of the rocker is movably installed in the rocker connecting groove;The side of the rocker connecting groove is equipped with clamping hole part, and the lower end of the rocker is equipped with clamping shaft part, and the clamping shaft part is rotatably clamped into the clamping hole part.

4. The electromagnetic induction joystick potentiometer according to claim 1, characterized in that: The other end of the lower rocker arm is integrally connected with pressing block, the shape of the pressing block is fan-shaped, the circuit board is equipped with pot piece key, and the pressing block is pressed with the pot piece key.

5. The electromagnetic induction joystick potentiometer according to claim 1, characterized in that: The lower end of the swing part is connected with the lever, the side of the lever is arc surface, one side of the slider is equipped with insertion slot, and the lever is movably inserted into the insertion slot of the slider.

6. The electromagnetic induction joystick potentiometer according to claim 1, characterized in that: The sliding slot includes first sliding slot and second sliding slot, and the included angle between the first sliding slot and the second sliding slot is a right angle, the slider includes first slider and second slider, the first slider is slidably installed in the first sliding slot, and the second slider is slidably installed in the second sliding slot, the upper rocker arm corresponds with the first slider, and the lower rocker arm corresponds with the second slider.

7. The electromagnetic induction joystick potentiometer according to claim 6, characterized in that: The permanent magnet includes first permanent magnet and second permanent magnet, the first permanent magnet is installed in the first slider, and the second permanent magnet is installed in the second slider;The first permanent magnet and the second permanent magnet are respectively cuboid permanent magnets, the length direction of the first permanent magnet is consistent with the sliding direction of the first slider, and the length direction of the second permanent magnet is consistent with the sliding direction of the second slider;The magnetic induction module includes first magnetic induction module and second magnetic induction module, the first permanent magnet is magnetically inductive with the first magnetic induction module, and the second permanent magnet is magnetically inductive with the second magnetic induction module.

8. The electromagnetic induction joystick potentiometer according to claim 1, characterized in that: The circuit board is a FPC soft board, the FPC soft board is provided with a wire, and the wire extends out of a fixing support.

9. The electromagnetic induction joystick potentiometer according to claim 1, characterized in that: The upper end of the rocker has a rocker cap, a silica gel cap is sleeved outside the rocker cap, and the edge portion of the rocker cap is provided with an annular limiting groove, and the lower end of the silica gel cap is inserted into the annular limiting groove.

10. The electromagnetic induction joystick potentiometer according to claim 1, characterized in that: The body is provided with a dustproof decorative cover and a flexible dustproof cover, and the rocker passes through the flexible dustproof cover and the dustproof decorative cover.

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