CN114156028B - Rocking bar potentiometer with adjustable resilience force - Google Patents
Rocking bar potentiometer with adjustable resilience force Download PDFInfo
- Publication number
- CN114156028B CN114156028B CN202111249370.5A CN202111249370A CN114156028B CN 114156028 B CN114156028 B CN 114156028B CN 202111249370 A CN202111249370 A CN 202111249370A CN 114156028 B CN114156028 B CN 114156028B
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- terminal
- rocker
- conductive
- handle
- rocker arm
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- 239000002184 metal Substances 0.000 claims description 30
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C10/00—Adjustable resistors
- H01C10/30—Adjustable resistors the contact sliding along resistive element
- H01C10/32—Adjustable resistors the contact sliding along resistive element the contact moving in an arcuate path
Abstract
The invention provides a rocker potentiometer with adjustable resilience force, which comprises a base, a first spring arranged at the bottom of the inner side of the base, a supporting seat positioned at the upper side of the first spring, a lower rocker arm positioned at the upper side of the supporting seat and swinging along the x-axis direction, an upper rocker arm positioned at the upper side of the lower rocker arm and swinging along the y-axis direction, a variable resistance output module connected with one end of the upper rocker arm and/or the lower rocker arm, a handle with the lower end positioned at the inner side of the lower rocker arm and the upper rocker arm, and an upper cover sleeved at the upper side of the base, wherein the lower end of the handle is in rotary connection with the lower rocker arm. According to the rocker potentiometer disclosed by the invention, the conductive coil is added on the inner side or the outer side of the spring, the permanent magnet is added at the bottom of the supporting seat, a magnetic field is generated after the conductive coil is electrified, and the supporting seat is forced to have upward thrust under the repulsive force of the magnetic field, so that the rocker can be kept centered after being reset.
Description
Technical Field
The invention relates to the technical field of rocker potentiometers, in particular to a rocker potentiometer with adjustable resilience force.
Background
The potentiometer is an adjustable electronic component, and consists of a resistor body and a rotating or sliding system. When a voltage is applied between two fixed electric shocks of the resistor body, the position of the contact on the resistor body is changed through a rotating or sliding system, and a voltage which is in a certain relation with the position of the movable contact can be obtained between the movable contact and the fixed contact. It is mostly used as a voltage divider, in which case the potentiometer is a four terminal element. The potentiometer is basically a sliding rheostat, and has several types, and is generally used for a sound box volume switch and a laser head power level adjustment potentiometer, and is an adjustable electronic element.
The conventional rocker uses a spring as an elastic reset module, the spring is easy to generate unrecoverable deformation after long-term use, if a user swings in one direction for a long time according to operation habits, a handle is easy to deflect in one direction after the rocker resets, and centering reset cannot be realized.
In addition, conventional rockers typically have a rotational function in either the x or y directions, with the slider sliding over the x-direction arcuate resistor or the y-direction arcuate resistor, with different contact positions outputting different magnitudes of current. However, the amplitude of the adjustable resistance output of this construction is small, limited by the swing angle of the rocker.
Disclosure of Invention
Aiming at the problems, the invention provides the rocker potentiometer with adjustable resilience force, wherein the inner side or the outer side of a spring is provided with the conductive coil, the bottom of the supporting seat is provided with the permanent magnet, the conductive coil generates a magnetic field after being electrified, and the supporting seat is forced to have upward thrust under the repulsive force of the magnetic field, so that the rocker can be kept centered after being reset.
In order to achieve the above purpose, the present invention solves the problems by the following technical scheme:
the rocker potentiometer with the adjustable resilience force comprises a base, a first spring arranged at the bottom of the inner side of the base, a supporting seat positioned at the upper side of the first spring, a lower rocker arm positioned at the upper side of the supporting seat and swinging along the x-axis direction, an upper rocker arm positioned at the upper side of the lower rocker arm and swinging along the y-axis direction, a variable resistance output module connected with one end of the upper rocker arm and/or the lower rocker arm, a handle with the lower end positioned at the inner side of the lower rocker arm and the upper rocker arm, and an upper cover sleeved at the upper side of the base, wherein the lower end of the handle is rotatably connected with the lower rocker arm;
a permanent magnet is fixed at the bottom of the supporting seat, a conductive coil is arranged on the inner side of the base, and the conductive coil is positioned below the permanent magnet;
the handle is internally provided with a stepped hole which is vertically penetrated, the stepped hole is internally provided with a pressing needle and a second spring, the second spring is sleeved on the outer side of the pressing needle, the bottom of the pressing needle is provided with an inserting part, the middle part of the inner side of the base is provided with a positioning column, the upper end of the positioning column is provided with a first resistor sheet and a first arc resistor sheet, the lower end of the first resistor sheet is connected with a first conductive terminal, the lower side of one end of the first arc resistor sheet is connected with a second conductive terminal, the upper side of the positioning column is provided with a rotatable carrier plate, the lower end of the carrier plate is fixedly provided with a first conductive sheet, the lower end of the first conductive sheet is connected with a first contact terminal and a second contact terminal, the first contact terminal always abuts against the first resistor sheet, the second contact terminal is in sliding contact with the first arc resistor sheet, and the upper end of the carrier plate is provided with a slot matched with the inserting part;
the wiring circuits of the first conductive terminal and the second conductive terminal are connected in series with the wiring circuit of the conductive coil.
Specifically, the conductive coil is sleeved outside the first spring or arranged inside the first spring.
Specifically, the lower rocker arm both ends all are fixed with the pivot, the handle all be equipped with along the both ends of y-axis direction with pivot matched with shaft hole.
Specifically, the varistor output module includes the shell, with the protecgulum of shell riveting connection, with last rocking arm or lower rocking arm one end fixed connection's rotor, fix second conducting strip on the rotor, be located the carousel of shell inboard, be located third conducting terminal, fourth conducting terminal, the fifth conducting terminal of carousel one side, third conducting terminal, fourth conducting terminal, fifth conducting terminal lower extreme all extend to the shell downside, the rotating plate lean on to second conducting strip one end is equipped with second resistance card, second arc resistance card, be equipped with first contact portion, second contact portion on the second conducting strip, first contact portion all the time with second resistance card offsets, second contact portion with second arc resistance card sliding contact.
Specifically, be equipped with first metal rotor, second metal rotor, third metal rotor on the carousel, first metal rotor one end with second resistance card fixed connection, the other end with the fourth conductive terminal is inconsistent, second arc resistance card both ends respectively with second metal rotor, third metal rotor fixed connection, second metal rotor with be connected with first FPC between the third conductive terminal, third metal rotor with be connected with second FPC between the fifth conductive terminal.
Specifically, the shell upper end is equipped with the through-hole, carousel upper end is located the through-hole is inboard, carousel edge still is equipped with a plurality of tooth marks.
Specifically, the outer side of the upper end of the handle is also sleeved with a protective sleeve.
Specifically, the upper rocker arm is provided with a first avoiding hole for the handle to rotate along the x-axis direction.
Specifically, the lower rocker arm is provided with a second avoiding hole for the handle to rotate along the y-axis direction.
The beneficial effects of the invention are as follows:
1. according to the rocker potentiometer disclosed by the invention, the conductive coil is added on the inner side or the outer side of the spring, the permanent magnet is added at the bottom of the supporting seat, the conductive coil generates a magnetic field after being electrified, the supporting seat is forced to have upward thrust under the action of magnetic field repulsive force, so that the rocker can keep centered after being reset, the inner side of the base is provided with the rotatable carrier plate, the lower end of the carrier plate is fixedly provided with the first conductive sheet, the lower end of the first conductive sheet is connected with the first contact terminal and the second contact terminal, the first contact terminal is always in contact with the first resistor sheet, the second contact terminal is in sliding contact with the first arc resistor sheet, the current output size is changed by changing the contact position of the second contact terminal on the first arc resistor sheet, and therefore the magnetic field repulsive force size is changed, the rebound force size is adjusted, and the pressing hand feeling of a user is improved;
2. the length of the second arc-shaped resistor disc is prolonged, the second arc-shaped resistor disc is arranged on the rotatable turntable, and when the handle swings to the maximum stroke along the x axis and/or the y axis, the resistor can be further adjusted by rotating the turntable, so that the variation range of the resistor output is enlarged.
Drawings
FIG. 1 is a perspective view of a rocker potentiometer with adjustable resilience force.
Fig. 2 is a front view of a rocker potentiometer with adjustable resilience force according to the present invention.
FIG. 3 is a cross-sectional view taken along the A-A plane in FIG. 2.
Fig. 4 is an enlarged view of a portion B in fig. 3.
FIG. 5 is an exploded view of a rocker potentiometer with adjustable resiliency according to the present invention.
Fig. 6 is an exploded view of the varistor output module.
The reference numerals are: base 1, presser finger 11, second spring 12, insertion portion 111, positioning post 13, first resistor sheet 14, first arc resistor sheet 15, first conductive terminal 16, second conductive terminal 17, carrier plate 18, first conductive sheet 19, first contact terminal 191, second contact terminal 192, slot 181, rotation shaft 20, first spring 2, support base 3, lower rocker arm 4, second escape hole 41, upper rocker arm 5, first escape hole 51, varistor output module 6, housing 61, through hole 611, front cover 62, rotor 63, second conductive sheet 64, first contact portion 641, second contact portion 642, turntable 65, first metal rotor 651, second metal rotor 652, third metal rotor 653, first FPC654, second FPC655, trace 656, third conductive terminal 66, fourth conductive terminal 67, fifth conductive terminal 68, second resistor sheet 69, second arc resistor sheet 610, handle 7, protective sleeve 71, upper cover 8, permanent magnet 9, conductive coil 10.
Detailed Description
The present invention will be described in further detail with reference to examples and drawings, but embodiments of the present invention are not limited thereto.
Referring to fig. 1-6:
the rocker potentiometer with the adjustable resilience force comprises a base 1, a first spring 2 arranged at the bottom of the inner side of the base 1, a supporting seat 3 positioned on the upper side of the first spring 2, a lower rocker 4 positioned on the upper side of the supporting seat 3 and swinging along the x-axis direction, an upper rocker 5 positioned on the upper side of the lower rocker 4 and swinging along the y-axis direction, a variable resistance output module 6 connected with one end of the upper rocker 5 and one end of the lower rocker 4, a handle 7 with the lower end positioned on the inner side of the lower rocker 4 and the upper rocker 5, and an upper cover 8 sleeved on the upper side of the base 1, wherein the lower end of the handle 7 is in rotary connection with the lower rocker 4;
the bottom of the supporting seat 3 is also fixed with a permanent magnet 9, the inner side of the base 1 is provided with a conductive coil 10, the conductive coil 10 is positioned below the permanent magnet 9, a magnetic field parallel to the central axis of the conductive coil 10 is generated after the conductive coil 10 is electrified, and the magnetic field generated at the upper end of the conductive coil 10 has opposite polarity to the magnetic field generated at the lower end of the permanent magnet 9, so that the supporting seat 3 is forced to have upward thrust under the repulsive force of the magnetic field, and the handle 7 can be kept centered after being reset;
the handle 7 is internally provided with a stepped hole which is vertically penetrated, a pressing needle 11 and a second spring 12 are arranged in the stepped hole, the second spring 12 is sleeved outside the pressing needle 11, the bottom of the pressing needle 11 is provided with an inserting part 111, the middle part of the inner side of the base 1 is provided with a positioning column 13, the upper end of the positioning column 13 is provided with a first resistor sheet 14 and a first arc resistor sheet 15, the lower end of the first resistor sheet 14 is connected with a first conductive terminal 16, the lower side of one end of the first arc resistor sheet 15 is connected with a second conductive terminal 17, the upper side of the positioning column 13 is provided with a rotatable carrier plate 18, the lower end of the carrier plate 18 is fixedly provided with a first conductive sheet 19, the lower end of the first conductive sheet 19 is connected with a first contact terminal 191 and a second contact terminal 192, the first contact terminal 191 always contacts with the first resistor sheet 14, the second contact terminal 192 is in sliding contact with the first arc-shaped resistor sheet 15, a slot 181 matched with the insertion part 111 is formed in the upper end of the carrier plate 18, in addition, the wiring circuits of the first conductive terminal 16 and the second conductive terminal 17 are connected in series with the wiring circuit of the conductive coil 10, before adjustment, the handle 7 is reset and centered, the pressing needle 11 is pressed downwards by using tools such as a screwdriver, the insertion part 111 is inserted into the slot 181, and then the screwdriver is rotated, so that the contact position of the second contact terminal 192 on the first arc-shaped resistor sheet 15 is changed to change the current output, the magnetic field repulsive force is changed to adjust the rebound force, and the pressing hand feeling of a user is improved.
Preferably, the conductive coil 10 is sleeved outside the first spring 2.
Preferably, the two ends of the lower rocker arm 4 are both fixed with rotating shafts 20, and the two ends of the handle 7 along the y-axis direction are both provided with shaft holes matched with the rotating shafts 20.
Preferably, the varistor output module 6 includes a housing 61, a front cover 62 riveted to the housing 61, a rotor 63 fixedly connected to one end of the upper rocker arm 5 or the lower rocker arm 4, a second conductive sheet 64 fixed on the rotor 63, a turntable 65 located inside the housing 61, a third conductive terminal 66, a fourth conductive terminal 67 and a fifth conductive terminal 68 located at one side of the turntable 65, wherein the lower ends of the third conductive terminal 66, the fourth conductive terminal 67 and the fifth conductive terminal 68 extend to the lower side of the housing 61, a second resistive sheet 69 and a second arc resistive sheet 610 are disposed at one end of the rotating plate, which is close to the second conductive sheet 64, a first contact portion 641 and a second contact portion 642 are disposed on the second conductive sheet 64, the first contact portion 641 always abuts against the second resistive sheet 69, the second contact portion 642 is in sliding contact with the second arc resistive sheet 610, and when the handle 7 swings to the maximum stroke along the x-axis or the y-axis, the contact positions of the second contact portion 642 and the second arc resistive sheet 610 can be further adjusted by rotating the corresponding turntable 65, so as to increase the variation amplitude of the resistance output.
Preferably, in order to make the turntable 65 have a rotatable function, in this embodiment, a first metal rotor 651, a second metal rotor 652 and a third metal rotor 653 are disposed on the turntable 65, one end of the first metal rotor 651 is fixedly connected with the second resistor sheet 69, the other end of the first metal rotor 651 is abutted against the fourth conductive terminal 67, two ends of the second arc-shaped resistor sheet 610 are respectively fixedly connected with the second metal rotor 652 and the third metal rotor 653, a first FPC654 is connected between the second metal rotor 652 and the third conductive terminal 66, an electrical connection is achieved between the second metal rotor 652 and the third conductive terminal 66 through the first FPC654, a second FPC655 is connected between the third metal rotor 653 and the fifth conductive terminal 68, and an electrical connection is achieved between the third metal rotor 653 and the fifth conductive terminal 68 through the second FPC 655.
Preferably, the upper end of the housing 61 is provided with a through hole 611, the upper end of the turntable 65 is positioned inside the through hole 611, and in order to facilitate the user to rotate the turntable 65, the edge of the turntable 65 is further provided with a plurality of teeth 656.
Preferably, a protective sleeve 71 is sleeved outside the upper end of the handle 7.
Preferably, the upper rocker arm 5 is provided with a first avoiding hole 51 for the handle 7 to rotate along the x-axis direction.
Preferably, the lower rocker arm 4 is provided with a second escape hole 41 for the handle 7 to rotate in the y-axis direction.
The above examples only represent 1 embodiment of the present invention, which is described in more detail and is not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (7)
1. The utility model provides a resilience force adjustable rocker potentiometer, includes base (1), sets up first spring (2) of base (1) inboard bottom, is located supporting seat (3) of first spring (2) upside, be located supporting seat (3) upside and along the lower rocking arm (4) of x axis direction wobbling, be located lower rocking arm (4) upside and along the last rocking arm (5) of y axis direction wobbling, connect on the varistor output module (6) of rocking arm (5) and/or lower rocking arm (4) one end, the lower extreme is located lower rocking arm (4), handle (7) of going up rocking arm (5) inboard, cover are established upper cover (8) of base (1) upside, handle (7) lower extreme with lower rocking arm (4) rotate and are connected, its characterized in that:
a permanent magnet (9) is fixed at the bottom of the supporting seat (3), a conductive coil (10) is arranged on the inner side of the base (1), and the conductive coil (10) is positioned below the permanent magnet (9);
the novel electric hand-held electric power tool is characterized in that a stepped hole which is vertically communicated is formed in the handle (7), a pressing needle (11) and a second spring (12) are arranged in the stepped hole, the second spring (12) is sleeved outside the pressing needle (11), an insertion part (111) is arranged at the bottom of the pressing needle (11), a positioning column (13) is arranged in the middle of the inner side of the base (1), a first resistor piece (14) and a first arc resistor piece (15) are arranged at the upper end of the positioning column (13), a first conductive terminal (16) is connected to the lower end of the first resistor piece (14), a second conductive terminal (17) is connected to the lower side of one end of the first arc resistor piece (15), a rotatable carrier plate (18) is arranged on the upper side of the positioning column (13), a first conductive piece (19) is fixed at the lower end of the carrier plate (18), a first contact terminal (191) and a second contact terminal (192) are connected to the lower end of the first conductive piece (19), the first contact terminal (191) always abuts against the first resistor piece (14), and the second contact terminal (192) is matched with the first contact part (181) in a sliding mode, and the insertion part (111) is provided with the first contact part (181);
the wiring circuits of the first conductive terminal (16) and the second conductive terminal (17) are connected in series with the wiring circuit of the conductive coil (10);
the variable resistance output module (6) comprises a shell (61), a front cover (62) in riveted connection with the shell (61), a rotor (63) fixedly connected with one end of the upper rocker arm (5) or one end of the lower rocker arm (4), a second conducting strip (64) fixed on the rotor (63), a rotary table (65) positioned on the inner side of the shell (61), a third conducting terminal (66) positioned on one side of the rotary table (65), a fourth conducting terminal (67) and a fifth conducting terminal (68), wherein the lower ends of the third conducting terminal (66), the fourth conducting terminal (67) and the fifth conducting terminal (68) extend to the lower side of the shell (61), one end, close to the second conducting strip (64), of the rotary table (65) is provided with a second resistor strip (69) and a second arc resistor strip (610), the second conducting strip (64) is provided with a first contact part (641) and a second contact part (642), and the first contact part (641) always contacts with the second resistor strip (69), and the second arc resistor strip (610) is contacted with the second arc resistor strip;
be equipped with first metal rotor (651), second metal rotor (652), third metal rotor (653) on carousel (65), first metal rotor (651) one end with second resistance card (69) fixed connection, the other end with fourth conductive terminal (67) are inconsistent, second arc resistance card (610) both ends respectively with second metal rotor (652), third metal rotor (653) fixed connection, second metal rotor (652) with be connected with first FPC (654) between third conductive terminal (66), third metal rotor (653) with be connected with second FPC (655) between fifth conductive terminal (68).
2. A rocker potentiometer with adjustable resilience according to claim 1, characterized in that the conductive coil (10) is sleeved outside the first spring (2) or inside the first spring (2).
3. The rocker potentiometer with adjustable resilience force according to claim 1, wherein the two ends of the lower rocker arm (4) are respectively fixed with a rotating shaft (20), and the two ends of the handle (7) along the y-axis direction are respectively provided with a shaft hole matched with the rotating shaft (20).
4. The rocker potentiometer with adjustable resilience force according to claim 1, wherein a through hole (611) is formed at the upper end of the housing (61), the upper end of the turntable (65) is located inside the through hole (611), and a plurality of tooth marks (656) are further formed at the edge of the turntable (65).
5. The rocker potentiometer with adjustable resilience force according to claim 1, wherein a protective sleeve (71) is sleeved outside the upper end of the handle (7).
6. The rocker potentiometer with adjustable resilience force according to claim 1, characterized in that the upper rocker arm (5) is provided with a first avoiding hole (51) for the handle (7) to rotate along the x-axis direction.
7. A rocker potentiometer with adjustable resilience force according to claim 1, characterized in that the lower rocker arm (4) is provided with a second avoidance hole (41) for the handle (7) to rotate in the y-axis direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111249370.5A CN114156028B (en) | 2021-10-26 | 2021-10-26 | Rocking bar potentiometer with adjustable resilience force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111249370.5A CN114156028B (en) | 2021-10-26 | 2021-10-26 | Rocking bar potentiometer with adjustable resilience force |
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| Publication Number | Publication Date |
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| CN114156028A CN114156028A (en) | 2022-03-08 |
| CN114156028B true CN114156028B (en) | 2023-11-14 |
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| CN115394508B (en) * | 2022-09-05 | 2023-06-27 | 杭州芯正微电子有限公司 | Chip thermistor and mounting method thereof |
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