CN213042172U - Magnetic adsorption knob capable of generating rotation pause and contusion - Google Patents
Magnetic adsorption knob capable of generating rotation pause and contusion Download PDFInfo
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- CN213042172U CN213042172U CN202022293620.2U CN202022293620U CN213042172U CN 213042172 U CN213042172 U CN 213042172U CN 202022293620 U CN202022293620 U CN 202022293620U CN 213042172 U CN213042172 U CN 213042172U
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Abstract
The utility model discloses a magnetic adsorption knob capable of generating rotation pause and frustration, which comprises a fixed plate (1) and a knob body (5), wherein the knob body (5) is adsorbed on a rotation position (6) on the fixed plate (1) by magnetic force, one side of the back surface of the fixed plate (1) corresponds to the rotation position and is provided with a first magnetic ring (9), a ring body of the first magnetic ring (9) comprises a plurality of N poles and a plurality of S poles, and the N poles and the S poles are alternately arranged along the ring body in the clockwise direction or the counterclockwise direction; the knob body (5) is provided with a second magnetic ring (2), the magnetic poles of the second magnetic ring (2) and the magnetic poles of the first magnetic ring (9) are distributed in a one-to-one correspondence mode, and the axis of the second magnetic ring (2) is overlapped with the axis of the first magnetic ring (9). This magnetism adsorbs knob adopts two magnetic rings to produce to rotate and to turn and pause to hinder and feel, simple structure, easily production.
Description
Technical Field
The utility model relates to an electrical apparatus field specifically is a can produce and rotate magnetic adsorption knob that the pause and pause was frustrated and is felt.
Background
Compare mechanical type knob, magnetism adsorbs the knob and need not trompil on the panel, has realized the complete isolation of operating knob and the inside main control circuit board of equipment, has advantages such as waterproof, dustproof, grease proofing dirt, the security is good, the equipment is easy clean, and can give the bigger intention space of equipment appearance designer.
The rotary motion of the magnetic adsorption knob is a smooth motion and cannot generate the rotation pause feeling of the traditional mechanical knob.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can produce the magnetism that rotates the pause and stop and feel and adsorb the knob to this magnetism adsorbs knob easily production.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a magnetic adsorption knob capable of generating rotation pause feeling comprises a fixing plate (1) and a knob body (5), wherein the knob body (5) is adsorbed on a rotation position on the fixing plate (1) by magnetic force, and the magnetic adsorption knob comprises: a first magnetic ring (9) is fixedly arranged on one side of the back face of the fixed plate (1) corresponding to the rotating position, a ring body of the first magnetic ring (9) comprises a plurality of N poles and a plurality of S poles, and the N poles and the S poles are alternately arranged along the ring body in the clockwise direction or the counterclockwise direction; the knob body (5) is fixedly provided with a second magnetic ring (2), the magnetic poles of the second magnetic ring (2) and the magnetic poles of the first magnetic ring (9) are distributed in a one-to-one correspondence mode, and the axis of the second magnetic ring (2) is superposed with the axis of the first magnetic ring (9).
In some schemes, a third magnetic ring (8) is further arranged on one side of the back surface of the fixing plate (1) corresponding to the rotating position, and the axis of the third magnetic ring (8) is coincident with the axis of the first magnetic ring (9); the knob body (5) is also provided with a fourth magnetic ring (3), and the axis of the fourth magnetic ring (3) is superposed with the axis of the second magnetic ring (2); the third magnetic ring (8) is matched with the fourth magnetic ring (3) to adsorb the knob body (5) on the fixed plate (1) in a rotating position.
In other schemes, a first magnetic block (12) is further arranged on one side of the back surface of the fixing plate (1) corresponding to the center of the rotating position; a second magnetic block (11) is further arranged in the center of the knob body (5); the first magnetic block (12) is matched with the second magnetic block (11), and the knob body (5) is adsorbed on the rotating position of the fixing plate (1) by utilizing the principle that magnets attract each other in opposite directions. The center of the knob body (5) refers to the center with the bottom of the knob body (5) as a reference, that is, the position of the second magnetic block (11) in the knob body (5) can be close to the bottom of the knob body (5) or can be located at the top or the middle of the knob body.
Furthermore, a first sensor (7) for detecting angular displacement data of the knob body (5) and a second sensor (13) for detecting moving-away action and returning action of the knob body (5) are arranged on one side of the back of the fixing plate (1) corresponding to the rotating position; the knob body (5) is fixedly provided with a signal magnet (4) used for providing detected signals for the first sensor (7) and the second sensor (13).
Preferably, the first sensor (7) and the second sensor (13) are one and the same AMR magneto-sensitive angular displacement sensor.
Preferably, the first sensor (7) is an AMR magneto-sensitive angle sensor and the second sensor (13) is a hall magnetic sensor.
Compared with the prior art, the utility model discloses following beneficial effect has at least:
the two magnetic rings are adopted to generate rotation pause feeling, the structure is simple, and the production is easy.
Drawings
FIG. 1 is a schematic structural diagram of a first embodiment;
FIG. 2 is an assembly view of the second magnetic ring, the fourth magnetic ring, and the signal magnet on the knob body;
FIG. 3 is an assembly diagram of the first magnetic ring, the third magnetic ring and the sensor on the circuit substrate;
FIG. 4 is a schematic structural diagram of a second embodiment;
FIG. 5 is an assembly view of the second magnetic ring, the second magnetic block, and the signal magnet on the knob body;
FIG. 6 is an assembly diagram of the first magnetic ring, the first magnetic block and the sensor on the circuit substrate;
reference numerals: 1. a fixing plate; 2. a second magnetic ring; 3. a fourth magnetic ring; 4. a signal magnet; 5. a knob body; 6. rotating; 7. a first sensor; 8. a third magnetic ring; 9. a first magnetic ring; 10. a circuit substrate; 11. a second magnetic block; 12. a first magnetic block; 13. a second sensor.
Detailed Description
The present invention will be further explained with reference to the drawings and examples. The terms first, second, third, fourth, etc. in this application are used only to distinguish components having the same name, and do not denote an order, primary or secondary relationship, or a size relationship.
The first embodiment:
referring to fig. 1 to 3, the magnetic attraction knob includes: the fixing plate 1 and the knob body 5 are provided with a rotating position 6 on the front side of the fixing plate 1, namely the upper side in figure 1. The rotation position 6 is not particularly restricted in size in the present application, but is set for convenience of description so that the knob body 5 is attracted to a certain position on the fixing plate 1 by a magnetic force.
A first magnetic ring 9 is arranged on one side of the back surface of the fixed plate 1, namely the lower side in fig. 1, corresponding to the rotating position 6, a ring body of the first magnetic ring 9 comprises a plurality of N poles and a plurality of S poles, and the N poles and the S poles are alternately arranged along the ring body in the clockwise direction or the counterclockwise direction. Several of these options are 14, 16, 20, 24, 28, or others, and the present invention is not limited to these values.
A third magnetic ring 8 is further arranged on one side of the back face of the fixing plate 1 corresponding to the rotating position 6, and the third magnetic ring 8 is an axial magnetizing magnetic ring, namely, a south pole at one end and a north pole at the other end, and is used for attracting the fourth magnetic ring 3 in the knob body 5 by magnetic force to fix the knob body 5 on the rotating position 6. The axis of the third magnetic ring 8 coincides with the axis of the first magnetic ring 9.
A first sensor 7 for detecting angular displacement data of the knob body 5 and a second sensor 13 for detecting the moving-away action and the returning action of the knob body 5 are arranged on one side of the back surface of the fixing plate 1 corresponding to the rotating position 6; in this embodiment, the first sensor 7 and the second sensor 13 are integrated into one and are the same magneto-sensitive angular displacement sensor. The first sensor 7 and the second sensor 13 may be a magneto-sensitive angle sensor and a hall magnetic sensor, respectively, which typically includes a general switch-type hall sensor and a linear hall sensor.
The first magnetic ring 9, the third magnetic ring 8, the first sensor 7 and the second sensor 13 can be installed in the following manner: the first magnetic ring 9 and the third magnetic ring 8 can be directly adhered to the back of the fixing plate 1 by glue, can be embedded in the back of the fixing plate 1, and can be supported and fixed on the back of the fixing plate 1 by using supports made of plastic, acrylic, metal and the like. In the present embodiment, the first sensor 7 and the second sensor 13 are located on the circuit substrate 10, and directly below the signal magnet 4, and the specific location thereof may be the front or back of the circuit substrate 10, and is centrally located corresponding to the signal magnet 4.
The knob body 5 is fixedly provided with a second magnetic ring 2, the magnetic poles of the second magnetic ring 2 and the magnetic poles of the first magnetic ring 9 are distributed in a one-to-one correspondence mode, namely, the south pole corresponds to the south pole, the north pole corresponds to the north pole, and the axis of the second magnetic ring 2 is superposed with the axis of the first magnetic ring 9. When the knob body 5 rotates, the second magnetic ring 2 rotates synchronously, each magnetic pole of the second magnetic ring 2 sequentially intersects each magnetic pole of the fixed first magnetic ring 9, in the process, a repulsive force is generated when the magnetic poles with the same polarity meet, an attractive force is generated when the magnetic poles with different polarities meet, a repulsive action and an attractive action are alternately generated, the knob body 5 rotates, and under the repulsive action and the attractive action which are continuously switched, interval rotary damping is formed, so that the rotary pause and contusion is formed.
The knob body 5 is further provided with a fourth magnetic ring 3, the fourth magnetic ring 3 is an axial magnetizing magnetic ring, namely, one end of the fourth magnetic ring is south and the other end of the fourth magnetic ring is north, the axis of the fourth magnetic ring 3 is overlapped with the axis of the second magnetic ring 2, the fourth magnetic ring 3 is matched with the third magnetic ring 8, and the knob body 5 is adsorbed on the rotating position 6 on the fixing plate 1 by utilizing the principle that magnets attract each other in opposite polarities.
The knob body 5 is fixedly provided with a signal magnet 4 for providing detected signals to the first sensor 7 and the second sensor 13, in this embodiment, the signal magnet 4 is a magnetic block, and the S pole and the N pole of the magnetic block are as shown in fig. 1. When the knob body 5 rotates, the magnetic block generates a rotating north-south magnetic field, and the magnetic-sensitive angular displacement sensor senses the rotating north-south magnetic field and outputs angular displacement data of the knob body 5. On the other hand, when the knob body 5 is moved away from the rotation position 6, the distance between the magnetic block and the magnetic sensitive angular displacement sensor is increased, so that the magnetic field intensity sensed by the magnetic sensitive angular displacement sensor is weakened, on the contrary, when the knob body 5 returns to the rotation position 6, the magnetic field intensity sensed by the magnetic sensitive angular displacement sensor is strengthened, and the moving-away action and the returning action of the knob body 5 can be detected according to the strength of the magnetic field intensity sensed by the magnetic sensitive angular displacement sensor.
The shape of the signal magnet 4 is not limited to a square shape, a cylindrical shape or other shapes, and is not limited to a single magnet, so long as the signal magnet can generate a rotating north-south magnetic field in the sensing range of the first sensor 7 and the second sensor 13 along with the rotation of the knob body 5, which belongs to the protection range of the utility model.
Second embodiment:
referring to fig. 4 to 6, the magnetic attraction knob includes: the fixing plate 1 and the knob body 5 are provided with a rotation position 6 on the front side of the fixing plate 1, i.e. the upper side in fig. 4.
A first magnetic ring 9 is arranged on one side of the back surface of the fixed plate 1, i.e. the lower side in fig. 4, corresponding to the rotating position 6, a ring body of the first magnetic ring 9 comprises a plurality of N poles and a plurality of S poles, and the N poles and the S poles are alternately arranged along the ring body in the clockwise direction or the counterclockwise direction. Several of these options are 14, 16, 20, 24, 28, or others, and the present invention is not limited to these values.
A first magnetic block 12 is arranged at one side of the back surface of the fixed plate 1 corresponding to the center of the rotary position 6.
A first sensor 7 for detecting angular displacement data of the knob body 5 and a second sensor 13 for detecting the moving-away action and the returning action of the knob body 5 are arranged on one side of the back surface of the fixing plate 1 corresponding to the rotating position 6; in this embodiment, the first sensor 7 and the second sensor 13 are integrated into one and are the same magneto-sensitive angular displacement sensor. The first sensor 7 and the second sensor 13 may be a magneto-sensitive angle sensor and a hall magnetic sensor, respectively, which typically includes a general switch-type hall sensor and a linear hall sensor.
The first magnetic ring 9, the first magnetic block 12, the first sensor 7 and the second sensor 13 can be installed in the following manner: the first magnetic ring 9 and the first magnetic block 12 can be directly adhered to the back of the fixing plate 1 by glue, can be embedded in the back of the fixing plate 1, and can be supported and fixed on the back of the fixing plate 1 by using material supports such as plastic, acrylic, metal and the like. In this embodiment, the first sensor 7 and the second sensor 13 are located right below the circuit substrate 10 and the first magnetic block 12, that is, the magnetic-sensitive angular displacement sensor is located right below the first magnetic block 12, and the specific position of the magnetic-sensitive angular displacement sensor may be the front side or the back side of the circuit substrate 10, and is arranged in the middle corresponding to the first magnetic block 12.
The knob body 5 is fixedly provided with a second magnetic ring 2, the magnetic poles of the second magnetic ring 2 and the magnetic poles of the first magnetic ring 9 are distributed in a one-to-one correspondence mode, namely, the south pole corresponds to the south pole, the north pole corresponds to the north pole, and the axis of the second magnetic ring 2 is superposed with the axis of the first magnetic ring 9. When the knob body 5 rotates, the second magnetic ring 2 rotates synchronously, each magnetic pole of the second magnetic ring 2 sequentially intersects each magnetic pole of the fixed first magnetic ring 9, in the process, a repulsive force is generated when the magnetic poles with the same polarity meet, an attractive force is generated when the magnetic poles with different polarities meet, a repulsive action and an attractive action are alternately generated, the knob body 5 rotates, and under the repulsive action and the attractive action which are continuously switched, interval rotary damping is formed, so that the rotary pause and contusion is formed.
The center of the knob body 5 is also provided with a second magnetic block 11, the second magnetic block 11 is matched with the first magnetic block 12, and the knob body 5 is adsorbed on the rotating position 6 on the fixing plate 1 by utilizing the principle that the magnets attract oppositely. The shapes of the second magnetic block 11 and the first magnetic block 12 can be cylindrical, square, annular or other shapes, the embodiment adopts a cylindrical axial magnetizing magnet, namely, a south pole at one end and a north pole at the other end, and the rotation position 6 of the knob body 5 adsorbed on the fixed panel 1 is mutually matched by utilizing the principle that the magnets attract in opposite directions.
The knob body 5 is fixedly provided with a signal magnet 4 for providing detected signals for the first sensor 7 and the second sensor 13, the signal magnet 4 can be a single magnet, 2 magnets or a plurality of magnets, and when the number of the magnets is 2, the south pole and the north pole face the bottom of the knob body 5 respectively, so that a rotary south-north pole magnetic field can be generated to the sensors when the knob body 5 rotates. If two or more magnets are used, at least one pair of north and south poles are required to face the bottom of the knob body 5. According to the above principle, the signal magnet 4 may also be a ring magnet having 2 or more poles.
In this embodiment, the signal magnet 4 is a magnetic ring, and the ring body of the magnetic ring has at least one S pole and at least one N pole facing the magneto-sensitive angular displacement sensor, as shown in fig. 5. When the knob body 5 rotates, the N pole and the S pole of the magnetic ring also synchronously rotate to provide a rotating north-south magnetic field for the magnetic-sensitive angular displacement sensor, and the magnetic-sensitive angular displacement sensor detects the angle change of the north-south magnetic field and outputs an angular displacement data signal of the knob body 5 according to the angle change.
On the other hand, when the knob body 5 is moved away from the rotation position 6, the distance between the magnetic ring and the magnetic-sensitive angular displacement sensor is increased, so that the magnetic field intensity sensed by the magnetic-sensitive angular displacement sensor is weakened, whereas when the knob body 5 returns to the rotation position 6, the magnetic field intensity sensed by the magnetic-sensitive angular displacement sensor is strengthened, and the moving-away action and the returning action of the knob body 5 can be detected according to the strength of the magnetic field intensity sensed by the magnetic-sensitive angular displacement sensor.
It can be seen from the foregoing that, the above-mentioned magnetism adsorbs the knob through the cooperation of first magnetic ring 9 and second magnetic ring 2, and the rotation of producing when operating knob body 5 is suddenly spent is frustrated and is felt, has overcome the rotation that current magnetism adsorbs the knob and can not produce traditional mechanical type knob and has suddenly spent the technical problem who feels. Meanwhile, the magnetic ring can be realized by only adding the first magnetic ring 9 and the second magnetic ring 2, so that the magnetic ring has the characteristics of simple structure and easiness in production.
The present invention has been described in detail with reference to the specific embodiments, and the detailed description is only for assisting the skilled person in understanding the content of the present invention, and can not be understood as the limitation of the protection scope of the present invention. Various decorations, equivalent changes and the like which are performed on the scheme by the technical personnel in the field under the conception of the invention are all included in the protection scope of the invention.
Claims (6)
1. The utility model provides a can produce magnetism that rotates and pause and frustrate and feel adsorbs knob, includes fixed plate (1) and knob body (5), knob body (5) by magnetic force adsorb rotatory position (6) on fixed plate (1), its characterized in that:
a first magnetic ring (9) is arranged on one side of the back surface of the fixed plate (1) corresponding to the rotating position, a ring body of the first magnetic ring (9) comprises a plurality of N poles and a plurality of S poles, and the N poles and the S poles are alternately arranged along the ring body in the clockwise direction or the counterclockwise direction;
the knob body (5) is provided with a second magnetic ring (2), the magnetic poles of the second magnetic ring (2) and the magnetic poles of the first magnetic ring (9) are distributed in a one-to-one correspondence mode, and the axis of the second magnetic ring (2) is overlapped with the axis of the first magnetic ring (9).
2. The magnetic attachment knob according to claim 1, wherein:
a third magnetic ring (8) is further arranged on one side of the back face of the fixing plate (1) corresponding to the rotating position (6), and the axis of the third magnetic ring (8) is overlapped with the axis of the first magnetic ring (9);
the knob body (5) is also provided with a fourth magnetic ring (3), and the axis of the fourth magnetic ring (3) is superposed with the axis of the second magnetic ring (2);
the third magnetic ring (8) is matched with the fourth magnetic ring (3) to adsorb the knob body (5) on the rotating position (6) on the fixing plate (1).
3. The magnetic attachment knob according to claim 1, wherein:
a first magnetic block (12) is arranged on one side of the back surface of the fixed plate (1) corresponding to the center of the rotating position (6);
a second magnetic block (11) is further arranged in the center of the knob body (5);
the first magnetic block (12) is matched with the second magnetic block (11) to adsorb the knob body (5) to the rotating position (6) on the fixing plate (1).
4. The magnetic attachment knob according to claim 1, wherein:
a first sensor (7) for detecting angular displacement data of the knob body (5) and a second sensor (13) for detecting moving-away action and returning action of the knob body (5) are arranged on one side of the back of the fixing plate (1) corresponding to the rotating position (6);
the knob body (5) is provided with a signal magnet (4) for providing detected signals to the first sensor (7) and the second sensor (13).
5. The magnetic attachment knob according to claim 4, wherein: the first sensor (7) and the second sensor (13) are the same magneto-sensitive angular displacement sensor.
6. The magnetic attachment knob according to claim 4, wherein: the first sensor (7) is a magnetic-sensing angle sensor, and the second sensor (13) is a Hall magnetic sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022293620.2U CN213042172U (en) | 2020-10-14 | 2020-10-14 | Magnetic adsorption knob capable of generating rotation pause and contusion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022293620.2U CN213042172U (en) | 2020-10-14 | 2020-10-14 | Magnetic adsorption knob capable of generating rotation pause and contusion |
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| Publication Number | Publication Date |
|---|---|
| CN213042172U true CN213042172U (en) | 2021-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022293620.2U Active CN213042172U (en) | 2020-10-14 | 2020-10-14 | Magnetic adsorption knob capable of generating rotation pause and contusion |
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| Country | Link |
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| CN (1) | CN213042172U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116820183A (en) * | 2023-08-31 | 2023-09-29 | 泉州昆泰芯微电子科技有限公司 | Knob with rotary feedback sense and electric appliance |
-
2020
- 2020-10-14 CN CN202022293620.2U patent/CN213042172U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116820183A (en) * | 2023-08-31 | 2023-09-29 | 泉州昆泰芯微电子科技有限公司 | Knob with rotary feedback sense and electric appliance |
| CN116820183B (en) * | 2023-08-31 | 2023-12-08 | 泉州昆泰芯微电子科技有限公司 | Knob with rotary feedback sense and electric appliance |
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