CN214205301U - Sleeve type magnetic clutch - Google Patents
Sleeve type magnetic clutch Download PDFInfo
- Publication number
- CN214205301U CN214205301U CN202022644918.3U CN202022644918U CN214205301U CN 214205301 U CN214205301 U CN 214205301U CN 202022644918 U CN202022644918 U CN 202022644918U CN 214205301 U CN214205301 U CN 214205301U
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- permanent magnet
- rotor
- conductor
- output shaft
- electromagnetic coil
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Abstract
The utility model discloses a sleeve type magnetic clutch, which comprises a conductor rotor, a permanent magnet rotor, an electromagnetic assembly and an output shaft; the conductor rotor comprises a conductor cylinder and a conductor ring; the permanent magnet rotor comprises a magnetic base, a radial permanent magnet and an axial permanent magnet; the electromagnetic assembly comprises an electromagnetic coil; the electromagnetic assembly and the conductor rotor are respectively arranged on two sides of the permanent magnet rotor, the conductor rotor and the permanent magnet rotor are concentrically sleeved, the conductor ring is opposite to the radial permanent magnet, and the electromagnetic coil is opposite to the axial permanent magnet; the permanent magnet rotor is connected with the output shaft, can drive the output shaft to rotate and can move along the output shaft; when the electromagnetic assembly works, the electromagnetic assembly is electrified, when the direction of a generated magnetic field is opposite to that of the axial permanent magnet, the permanent magnet rotor is pushed to the conductor rotor, and the conductor rotor transmits power to the permanent magnet rotor through the magnetic field; when the direction of the generated magnetic field is the same as that of the axial permanent magnet, the permanent magnet rotor is attracted to the electromagnetic coil, and power transmission is cut off; the utility model discloses simple structure, the reliability is high, maintains that cost of maintenance is low, suitable using widely.
Description
Technical Field
The utility model relates to a clutch field, in particular to magnetic clutch.
Background
Electromagnetic clutches are widely used in manufacturing industries to transmit and disconnect power between a prime mover and a load. The clutch plate and the clutch hub are controlled to be in clutch through the electromagnetic coil, so that the transmission and disconnection of power between the prime motor and the load are realized. However, the clutch plate and the clutch hub are driven by friction force, and after long-time operation, the clutch plate is abraded and needs to be stopped for replacement, so that continuous operation of the system is influenced, and maintenance cost is increased.
Disclosure of Invention
The utility model aims at providing a magnetic clutch to the problem that prior art exists, its aim at: the structure of the clutch is simplified, the reliability is improved, and the maintenance cost is reduced.
The utility model aims at solving through the following technical scheme:
the utility model provides a telescopic magnetic clutch, includes conductor rotor, permanent magnet rotor, electromagnetic component, output shaft, its characterized in that: the conductor rotor comprises a conductor cylinder and a conductor ring arranged on the inner circumferential surface of the conductor cylinder; the permanent magnet rotor comprises a magnetic base, a radial permanent magnet and an axial permanent magnet; the electromagnetic assembly includes an electromagnetic coil; the electromagnetic assembly and the conductor rotor are respectively arranged on two sides of the permanent magnet rotor, the conductor rotor and the permanent magnet rotor are concentrically sleeved and separated by an air gap, the conductor ring is opposite to the radial permanent magnet, and the electromagnetic coil is opposite to the axial permanent magnet; the permanent magnet rotor is connected with the output shaft in a sliding manner, can drive the output shaft to synchronously rotate and can axially move along the output shaft; when the electromagnetic coil is in work, the electromagnetic assembly is electrified, and when the direction of a magnetic field generated by the electromagnetic coil is opposite to that of the axial permanent magnet, the permanent magnet rotor is pushed to the conductor rotor, so that the conductor ring is opposite to the radial permanent magnet, and the conductor rotor transmits power to the permanent magnet rotor through the magnetic field; when the direction of a magnetic field generated by the electromagnetic coil is the same as that of the axial permanent magnet, the permanent magnet rotor is attracted to the electromagnetic coil along the output shaft, so that the conductor ring and the radial permanent magnet are staggered, and the power transmission between the conductor rotor and the permanent magnet rotor is disconnected.
The output shaft is provided with a limiting plate and a limiting step, the limiting plate limits the axial position of the permanent magnet rotor on the output shaft when the permanent magnet rotor is close to the conductor rotor, and the limiting step limits the axial position of the permanent magnet rotor on the output shaft when the permanent magnet rotor is close to the electromagnetic coil.
The electromagnetic component is fixed, the electromagnetic coil is electrically connected with the direct current power supply through a lead, the magnetic field direction of the electromagnetic coil is changed through controlling the current direction of the power supply, and the electromagnetic field direction of the electromagnetic coil is along the axial direction.
The electromagnetic assembly further comprises a commutator and an electric brush; the electromagnetic coil is fixedly connected with the output shaft and rotates along with the output shaft; the commutator is fixedly connected with the output shaft; the electromagnetic coil is electrically connected with the commutator; the commutator is arranged in the electric brush and is in frictional contact with the electric brush; the electric brush is fixed and electrically connected with a direct current power supply.
The radial permanent magnet is composed of an even number of magnets, and the formed magnetic field is uniformly arranged on the outer circumferential surface of the magnetic seat along the circumferential direction along the radial direction.
The axial permanent magnet is composed of at least one permanent magnet, the magnetic field direction is along the axial direction and consistent, and the axial permanent magnet is uniformly arranged on the end face of the magnetic seat along the circumferential direction.
Compared with the prior art, the utility model has the following advantages:
the utility model discloses a telescope-feed magnetic clutch electromagnetic component circular telegram produces the magnetic field, makes permanent magnet rotor axial displacement. When the electromagnetic assembly generates repulsion force on the permanent magnet rotor, the conductor rotor is meshed with the permanent magnet rotor, and the conductor rotor transmits power to the permanent magnet rotor through a coupling magnetic field; when the electromagnetic assembly generates attraction force on the permanent magnet rotor, the conductor rotor is staggered with the permanent magnet rotor, and the conductor rotor cannot transmit power to the permanent magnet rotor, so that the power transmission between the prime motor and the load is disconnected; in the engaged state, the transmission of power between the prime mover and the load is realized through a magnetic field, and no mechanical contact and no abrasion exist; the clutch of power transmission is realized by a magnetic field, the structure is simple, and the control is convenient; the whole reliability is high, the maintenance cost is low, the service life is long, and the device is suitable for popularization and application.
Drawings
FIG. 1 is a schematic diagram of an engaging structure of an embodiment of a sleeve-type magnetic clutch according to the present invention;
FIG. 2 is a schematic structural view of a disengaged state of an embodiment of the sleeve-type magnetic clutch according to the present invention;
FIG. 3 is a schematic diagram of a second engagement state structure of the sleeve type magnetic clutch of the present invention;
wherein: 1-a conductor rotor; 11-a conductor cylinder; 12 a conductor ring; 2-a permanent magnet rotor; 21-a magnetic base; 22-radial permanent magnets; 23-axial permanent magnet; 3-an electromagnetic assembly; 31-an electromagnetic coil; 32-a wire; 33-a commutator; 34-an electric brush; 4-an output shaft; 41-a limiting plate; 42-limiting step.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
The first embodiment is as follows: as shown in fig. 1 and 2, a sleeve type magnetic clutch includes a conductor rotor (1), a permanent magnet rotor (2), an electromagnetic assembly (3), and an output shaft (4).
The conductor rotor (1) includes a conductor cylinder (11) and a conductor ring (12) provided on the inner circumferential surface of the conductor cylinder (11).
The permanent magnet rotor (2) comprises a magnet seat (21), a radial permanent magnet (22) and an axial permanent magnet (23). The radial permanent magnets (22) are composed of an even number of magnets, and the formed magnetic field direction is radial and is uniformly arranged on the outer circumferential surface of the magnetic base (21) along the circumferential direction. The axial permanent magnet (23) is composed of at least one permanent magnet, the magnetic field direction is along the axial direction and consistent, and the axial permanent magnet is uniformly arranged on the end face of the magnetic seat (21) along the circumferential direction.
The electromagnetic assembly (3) includes an electromagnetic coil (31) and a wire (32).
The output shaft (4) is provided with a limiting plate (41) and a limiting step (42), the limiting plate (41) limits the axial position of the permanent magnet rotor (2) on the output shaft (4) when the permanent magnet rotor (2) is close to the conductor rotor (1), and the permanent magnet rotor (2) is prevented from being rubbed with the conductor rotor (1); the limiting step (42) limits the axial position of the permanent magnet rotor (2) on the output shaft (4) when the permanent magnet rotor is close to the electromagnetic coil (31), and the permanent magnet rotor (2) is prevented from being rubbed with the electromagnetic coil (31).
The electromagnetic assembly (3) and the conductor rotor (1) are respectively arranged on two sides of the permanent magnet rotor (2), the conductor rotor (1) and the permanent magnet rotor (2) are concentrically sleeved and separated by an air gap, and the conductor ring (12) is opposite to the radial permanent magnet (22); the electromagnetic coil (31) is opposite to the axial permanent magnet (23), and the electromagnetic component is fixed. The permanent magnet rotor (2) is connected with the output shaft (4) in a sliding manner, can drive the output shaft (4) to rotate synchronously and can move along the axial direction of the output shaft (4).
As shown in fig. 1, the conductor rotor (1) is connected to a prime mover and the output shaft (4) is connected to a load. When the sleeve type magnetic clutch works, if a prime motor is required to transmit power to a load, the electromagnetic assembly (3) is electrified, the direction of a magnetic field generated by the electromagnetic coil (31) is opposite to that of the axial permanent magnet (23), the permanent magnet rotor (2) is pushed to the conductor rotor (1), the conductor ring (12) is opposite to the radial permanent magnet (22), the conductor rotor (1) transmits the power to the permanent magnet rotor (2) through the magnetic field, the permanent magnet rotor (2) transmits the power to the output shaft (4), and at the moment, the power can be transmitted through the sleeve type magnetic clutch.
When the sleeve type magnetic clutch is operated, if the prime mover is required to transmit power to a load, the electromagnetic assembly (3) is powered in the reverse direction, the direction of the magnetic field generated by the electromagnetic coil (31) is the same as that of the axial permanent magnet (23), the permanent magnet rotor (2) is attracted to the electromagnetic coil (31) along the output shaft (4), the conductor ring (12) and the radial permanent magnet (22) are staggered, the power transmission of the conductor rotor (1) and the permanent magnet rotor (2) is disconnected, and the prime mover and the load are separated.
Example two: as shown in fig. 3, a sleeve type magnetic clutch includes a conductor rotor (1), a permanent magnet rotor (2), an electromagnetic assembly (3), and an output shaft (4).
The conductor rotor (1) includes a conductor cylinder (11) and a conductor ring (12) provided on the inner circumferential surface of the conductor cylinder (11).
The permanent magnet rotor (2) comprises a magnet seat (21), a radial permanent magnet (22) and an axial permanent magnet (23). The radial permanent magnets (22) are composed of an even number of magnets, and the formed magnetic field direction is radial and is uniformly arranged on the outer circumferential surface of the magnetic base (21) along the circumferential direction. The axial permanent magnet (23) is composed of at least one permanent magnet, the magnetic field direction is along the axial direction and consistent, and the axial permanent magnet is uniformly arranged on the end face of the magnetic seat (21) along the circumferential direction.
The electromagnetic assembly (3) includes an electromagnetic coil (31), a wire (32), a commutator (33), and a brush (34).
The output shaft (4) is provided with a limiting plate (41) and a limiting step (42), the limiting plate (41) limits the axial position of the permanent magnet rotor (2) on the output shaft (4) when the permanent magnet rotor (2) is close to the conductor rotor (1), and the permanent magnet rotor (2) is prevented from being rubbed with the conductor rotor (1); the limiting step (42) limits the axial position of the permanent magnet rotor (2) on the output shaft (4) when the permanent magnet rotor is close to the electromagnetic coil (31), and the permanent magnet rotor (2) is prevented from being rubbed with the electromagnetic coil (31).
The electromagnetic assembly (3) and the conductor rotor (1) are respectively arranged on two sides of the permanent magnet rotor (2), the conductor rotor (1) and the permanent magnet rotor (2) are concentrically sleeved and separated by an air gap, and the conductor ring (12) is opposite to the radial permanent magnet (22); the electromagnetic coil (31) is opposite to the axial permanent magnet (23). The permanent magnet rotor (2) is connected with the output shaft (4) in a sliding manner, can drive the output shaft (4) to rotate synchronously and can move along the axial direction of the output shaft (4). The electromagnetic coil (31) is fixedly connected with the output shaft (4), the commutator (33) is fixedly arranged at the output end of the output shaft (1), and the electric brush (34) is fixed outside the sleeve type magnetic clutch; the lead (32) is routed from the inside of the output shaft (4) and is connected with the electromagnetic coil (31) and the commutator (33), and the commutator (33) is arranged in the electric brush (34) in a penetrating way and is in friction contact with the electric brush (34); the electric brush (34) is electrically connected with an external direct current power supply; the commutator (33) and the brush (34) are matched to keep the DC power supply flowing in the electromagnetic coil (31) in the same direction all the time, so that the magnetic field generated by the electromagnetic coil (31) is also kept in the same direction all the time.
When the electromagnetic assembly works, the electromagnetic assembly (3) is electrified, and when the direction of a magnetic field generated by the electromagnetic coil (31) is opposite to that of the axial permanent magnet (23), the permanent magnet rotor (2) is pushed to the conductor rotor (1), so that the conductor ring (12) is opposite to the radial permanent magnet (22), and the conductor rotor (1) transmits power to the permanent magnet rotor (2) through the magnetic field; when the direction of a magnetic field generated by the electromagnetic coil (31) is the same as that of the axial permanent magnet (23), the permanent magnet rotor (2) is attracted to the electromagnetic coil (31) along the output shaft (4), so that the conductor ring (12) and the radial permanent magnet (22) are staggered, and the power transmission of the conductor rotor (1) and the permanent magnet rotor (2) is disconnected.
The above embodiments are only for explaining the technical idea of the present invention, and the protection scope of the present invention cannot be limited thereby, and any modification made on the basis of the technical scheme according to the technical idea provided by the present invention all fall within the protection scope of the present invention; the technology not related to the utility model can be realized by the prior art.
Claims (6)
1. The utility model provides a telescopic magnetic clutch, includes conductor rotor (1), permanent magnet rotor (2), electromagnetic component (3), output shaft (4), its characterized in that: the conductor rotor (1) comprises a conductor cylinder (11) and a conductor ring (12) arranged on the inner circumferential surface of the conductor cylinder (11); the permanent magnet rotor (2) comprises a magnetic seat (21), a radial permanent magnet (22) and an axial permanent magnet (23); the electromagnetic assembly (3) comprises an electromagnetic coil (31); the electromagnetic assembly (3) and the conductor rotor (1) are respectively arranged on two sides of the permanent magnet rotor (2), the conductor rotor (1) and the permanent magnet rotor (2) are concentrically sleeved and separated by an air gap, the conductor ring (12) is opposite to the radial permanent magnet (22), and the electromagnetic coil (31) is opposite to the axial permanent magnet (23); the permanent magnet rotor (2) is connected with the output shaft (4) in a sliding manner, can drive the output shaft (4) to rotate synchronously and can move axially along the output shaft (4); when the electromagnetic assembly works, the electromagnetic assembly (3) is electrified, and when the direction of a magnetic field generated by the electromagnetic coil (31) is opposite to that of the axial permanent magnet (23), the permanent magnet rotor (2) is pushed to the conductor rotor (1), so that the conductor ring (12) is opposite to the radial permanent magnet (22), and the conductor rotor (1) transmits power to the permanent magnet rotor (2) through the magnetic field; when the direction of a magnetic field generated by the electromagnetic coil (31) is the same as that of the axial permanent magnet (23), the permanent magnet rotor (2) is attracted to the electromagnetic coil (31) along the output shaft (4), so that the conductor ring (12) and the radial permanent magnet (22) are staggered, and the power transmission of the conductor rotor (1) and the permanent magnet rotor (2) is disconnected.
2. The sleeve-type magnetic clutch according to claim 1, characterized in that: the output shaft (4) is provided with a limiting plate (41) and a limiting step (42), the limiting plate (41) limits the axial position of the permanent magnet rotor (2) on the output shaft (4) when the permanent magnet rotor (2) is close to the conductor rotor (1), and the limiting step (42) limits the axial position of the permanent magnet rotor (2) on the output shaft (4) when the permanent magnet rotor (2) is close to the electromagnetic coil (31).
3. The sleeve-type magnetic clutch according to claim 1, characterized in that: the electromagnetic component (3) is fixed, the electromagnetic coil (31) is electrically connected with a direct current power supply through a lead (32), the direction of a magnetic field of the electromagnetic coil (31) is changed by controlling the current direction of the power supply, and the direction of the electromagnetic field of the electromagnetic coil (31) is along the axial direction.
4. The sleeve-type magnetic clutch according to claim 1, characterized in that: the electromagnetic assembly (3) further comprises a commutator (33) and a brush (34); the electromagnetic coil (31) is fixedly connected with the output shaft (4) and rotates along with the output shaft (4); the commutator (33) is fixedly connected with the output shaft (4); the electromagnetic coil (31) is electrically connected with the commutator (33); the commutator (33) is arranged in the electric brush (34) and is in friction contact with the electric brush (34); the electric brush (34) is fixed and electrically connected with a direct current power supply.
5. The sleeve-type magnetic clutch according to claim 1, characterized in that: the radial permanent magnets (22) are composed of an even number of magnets, and the formed magnetic field direction is radial and is uniformly arranged on the outer circumferential surface of the magnetic base (21) along the circumferential direction.
6. The sleeve-type magnetic clutch according to claim 1, characterized in that: the axial permanent magnet (23) is composed of at least one permanent magnet, the magnetic field direction is along the axial direction and consistent, and the axial permanent magnet is uniformly arranged on the end face of the magnetic seat (21) along the circumferential direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022644918.3U CN214205301U (en) | 2020-11-16 | 2020-11-16 | Sleeve type magnetic clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022644918.3U CN214205301U (en) | 2020-11-16 | 2020-11-16 | Sleeve type magnetic clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214205301U true CN214205301U (en) | 2021-09-14 |
Family
ID=77645998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022644918.3U Active CN214205301U (en) | 2020-11-16 | 2020-11-16 | Sleeve type magnetic clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214205301U (en) |
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2020
- 2020-11-16 CN CN202022644918.3U patent/CN214205301U/en active Active
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