CN213402778U

CN213402778U - Novel bidirectional permanent magnet coupler

Info

Publication number: CN213402778U
Application number: CN202022557006.2U
Authority: CN
Inventors: 阎嫦玲; 陈阳; 陈辉
Original assignee: Nanjing Zhijie Communication Technology Co ltd
Current assignee: Nanjing Zhijie Communication Technology Co ltd
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2021-06-08
Anticipated expiration: 2030-11-06

Abstract

The utility model discloses a novel bidirectional permanent magnet coupler, including output shaft and input shaft, the set casing has been cup jointed to one side that the output shaft is close to the input shaft, the top and the bottom that the set casing is close to input shaft one side are all fixed mounting have the driven base plate, one side fixed mounting that the driven base plate is close to the input shaft has the conductor ring, one side that the input shaft is close to the output shaft has cup jointed the axle sleeve, the spout has been seted up to the outside of axle sleeve, the inside movable mounting of spout has the shift ring, the outside fixed mounting of shift ring has the slide bar, the outside of slide bar has cup jointed the dead lever, one side fixed mounting that the dead lever is far away from the shift ring has the permanent magnetism base member, one side fixed mounting that the permanent magnetism base member is far away from the dead lever has the permanent magnet; the novel bidirectional permanent magnet coupler can achieve the purposes of reducing the requirements on a speed reducing mechanism, along with larger speed regulating range and higher speed regulating stability.

Description

Novel bidirectional permanent magnet coupler

Technical Field

The utility model belongs to the technical field of the coupler, concretely relates to novel two-way permanent magnet coupler.

Background

The permanent magnet coupler utilizes the permanent magnet to generate magnetic field transmission force and torque, on one hand, non-contact torque transmission is realized, mechanical loss of a transmission part is reduced, the magnetic coupler is simple in structure and convenient to install, on the other hand, the magnetic coupler does not consume electric energy, and the energy-saving effect is outstanding when speed control is carried out on loads such as a fan and a pump.

The existing permanent magnetic coupler uses a slide block rocker to control each permanent magnet to swing, so that the thickness of an air gap between a permanent magnet disc and a conductor disc is uneven, the interval between the permanent magnets on the permanent magnet disc is large, the flux leakage is large, and the transmission efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel two-way permanent magnet coupler to the weak point of prior art to reach the reduction to reduction gears's demand, and the scope of speed governing great, the higher purpose of the stationarity of speed governing.

In order to achieve the above object, the utility model provides a following technical scheme: a novel bidirectional permanent magnet coupler comprises an output shaft and an input shaft, wherein a fixed shell is sleeved on one side, close to the input shaft, of the output shaft, a driven substrate disc is fixedly mounted at the top and the bottom, close to one side of the input shaft, of the fixed shell, a conductor ring is fixedly mounted at one side of the driven substrate disc, a shaft sleeve is sleeved on one side, close to the output shaft, of the input shaft, a sliding groove is formed in the outer portion of the shaft sleeve, a moving ring is movably mounted in the sliding groove, a sliding rod is fixedly mounted on the outer portion of the moving ring, a fixed rod is sleeved on the outer portion of the sliding rod, a permanent magnet substrate is fixedly mounted on one side, far away from the moving ring, of the permanent magnet substrate, a permanent magnet is fixedly mounted on one side, far away from the fixed rod, a fixed disc is fixedly mounted on the outer portion, close, the driving end of the adjusting motor is fixedly provided with a driving gear, the opposite sides of the two driving gears are meshed with driven gears, and one side of each driven gear, which is close to the shaft sleeve, is fixedly provided with an adjusting screw rod.

Preferably, the driven substrate disc is arranged obliquely.

Preferably, the number of the permanent magnets is even, and the permanent magnets are alternately distributed in N-level and S-level.

Preferably, the number of the sliding rods is the same as that of the permanent magnet matrixes, and the positions of the sliding rods correspond to those of the permanent magnet matrixes.

Preferably, one end of the permanent magnet base body, which is close to the input shaft, is movably connected with the fixed disc.

Preferably, one end of the adjusting screw rod, which is far away from the driven gear, is sleeved inside the moving ring.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through setting up axle sleeve, shift ring, slide bar, dead lever, driving gear and driven gear to adopt singly organizing permanent magnet and conductor ring, compact structure, and through changing the just right area of permanent magnet and conductor ring simultaneously and realize comparatively high-efficient speed governing, reduce the demand to reduction gears, and the scope of speed governing is great, and the stationarity of speed governing is higher.

2. Through adopting the umbrella structure with conductor ring and permanent magnet, for traditional disk permanent magnet coupler, practiced thrift its radial workspace, increased coupler operational environment's range of application, the utility model discloses with traditional disk magnetic coupling under the same radial size, owing to adopt the umbrella formula structure, work area is great, can transmit bigger working torque.

Drawings

FIG. 1 is a schematic sectional view of the present invention;

FIG. 2 is a schematic view of a partial three-dimensional structure of the present invention;

fig. 3 is a schematic view of a partial three-dimensional structure of the present invention.

In the figure: 1. an output shaft; 2. a stationary case; 3. a driven substrate disk; 4. a conductor ring; 5. a shaft sleeve; 6. an input shaft; 7. a chute; 8. a moving ring; 9. a slide bar; 10. fixing the rod; 11. a permanent magnet matrix; 12. a permanent magnet; 13. fixing the disc; 14. adjusting the motor; 15. a driving gear; 16. a driven gear; 17. and adjusting the screw rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a novel bidirectional permanent magnet coupler comprises an output shaft 1 and an input shaft 6, wherein a fixed shell 2 is sleeved on one side of the output shaft 1 close to the input shaft 6, a driven substrate disc 3 is fixedly installed at the top and the bottom of one side of the fixed shell 2 close to the input shaft 6, a conductor ring 4 is fixedly installed at one side of the driven substrate disc 3 close to the input shaft 6, a shaft sleeve 5 is sleeved on one side of the input shaft 6 close to the output shaft 1, a chute 7 is formed outside the shaft sleeve 5, a movable ring 8 is movably installed inside the chute 7, a slide rod 9 is fixedly installed outside the movable ring 8, a fixed rod 10 is sleeved outside the slide rod 9, a permanent magnet substrate 11 is fixedly installed at one side of the fixed rod 10 far away from the movable ring 8, a permanent magnet 12 is fixedly installed at one side of the permanent magnet substrate 11 far away from the fixed rod 10, a fixed disk 13 is fixedly installed at the outside of one end of the shaft sleeve 5 close, the driving end of the adjusting motor 14 is fixedly provided with a driving gear 15, the opposite sides of the two driving gears 15 are engaged with driven gears 16, and one side of the driven gear 16 close to the shaft sleeve 5 is fixedly provided with an adjusting screw rod 17.

In this embodiment, through setting up axle sleeve 5, shift ring 8, slide bar 9, dead lever 10, driving gear 15 and driven gear 16, and adopt singly organizing permanent magnet 12 and conductor ring 4, compact structure, and just to the area and realize comparatively high-efficient speed governing through changing permanent magnet 12 and conductor ring 4 simultaneously, reduce the demand to reduction gears, and the scope of speed governing is great, and the stationarity of speed governing is higher, through adopting the umbrella structure with conductor ring 4 and permanent magnet 12, for traditional disk permanent magnet coupler, practiced thrift its radial workspace, coupler operational environment's range of application has been increased, the utility model discloses under the same radial size with traditional disk magnetic coupling, owing to adopt the umbrella formula structure, work area is great, can transmit bigger working torque.

Specifically, the driven base plate 3 is disposed obliquely.

In this embodiment, the whole permanent magnet coupler adopts an inclined structure, so that the problem that the requirement on the neutrality of a cylindrical permanent magnet coupler is high can be solved, the problem that the axial load of a disc type permanent magnet coupler is large can be solved, the speed regulation range is large, and the speed regulation stability is high.

Specifically, the number of the permanent magnets 12 is even, and the permanent magnets are alternately distributed in N-level and S-level.

In this embodiment, the N-stage and the S-stage are alternately distributed to form the number of the counter poles, so that efficient speed regulation can be realized by changing the facing area of the permanent magnet 12 and the conductor ring 4.

Specifically, the number of the sliding rods 9 is the same as that of the permanent magnet matrixes 11, and the positions of the sliding rods and the permanent magnet matrixes correspond to each other.

In this embodiment, the fixing rod 10 controls the permanent magnet matrix 11 and thus the permanent magnet 12, and during the process of moving the moving ring 8 left and right, the fixing rod 10 changes with the position of the sliding rod 9, so that the permanent magnet 12 adjusts the position at the same time.

Specifically, one end of the permanent magnet base body 11 close to the input shaft 6 is movably connected with the fixed disc 13.

In this embodiment, a rotating shaft is fixedly installed on one side of the fixed disk 13 close to the output shaft 1, and one end of the permanent magnet base 11 is sleeved outside the rotating shaft.

Specifically, one end of the adjusting screw 17, which is far away from the driven gear 16, is sleeved inside the moving ring 8.

In this embodiment, by providing the adjusting screw 17, the adjusting screw 17 rotates under the action of the driving gear 15, the driven gear 16 and the adjusting motor 14, so that the moving ring 8 moves, and the facing area between the permanent magnet 12 and the conductor ring 4 is adjusted.

The utility model discloses a theory of operation and use flow: the area of the permanent magnet 12 opposite to the conductor ring 4 is kept maximum in the initial state, when the input shaft 6 rotates, the device connected with the input shaft 6 rotates, at this time, the permanent magnet 12 generates relative motion relative to the conductor ring 4 on the driven substrate disc 3, through electromagnetic induction, induced current is generated in the conductor ring 4, induced magnetic fields generated by the induced current on the conductor ring 4 respectively interact with magnetic fields on the left side and the right side of the permanent magnet 12 to generate electromagnetic torque to drive the driven substrate disc 3, the fixed shell 2 and the output shaft 1 to rotate, when speed regulation is needed, the regulating motor 14 is started, the regulating motor 14 drives the driving gear 15 to rotate, due to the meshing action between the driving gear 15 and the driven gear 16, the driven gear 16 rotates and drives the regulating screw rod 17 to rotate, the regulating screw rod 17 drives the moving ring 8 to move left and right outside the shaft sleeve 5, and the moving ring 8 drives, the sliding rod 9 pulls the permanent magnet matrix 11, one end of the permanent magnet matrix 11 rotates outside the rotating shaft on one side of the fixed disc 13, the permanent magnet matrix 11 drives the permanent magnet 12 to incline, the facing area of the permanent magnet 12 and the conductor ring 4 is changed, and therefore the air gap flux density is adjusted to achieve the speed regulation function.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel two-way permanent magnet coupler, includes output shaft (1) and input shaft (6), its characterized in that: the fixed casing (2) is sleeved on one side, close to the input shaft (6), of the output shaft (1), the driven substrate disc (3) is fixedly mounted at the top and the bottom of one side, close to the input shaft (6), of the fixed casing (2), the conductor ring (4) is fixedly mounted on one side, close to the input shaft (6), of the driven substrate disc (3), the shaft sleeve (5) is sleeved on one side, close to the output shaft (1), of the input shaft (6), the sliding groove (7) is formed in the outer portion of the shaft sleeve (5), the moving ring (8) is movably mounted in the sliding groove (7), the sliding rod (9) is fixedly mounted on the outer portion of the moving ring (8), the fixed rod (10) is sleeved on the outer portion of the sliding rod (9), the permanent magnet base body (11) is fixedly mounted on one side, far away from the moving ring (8), of the permanent magnet base body (11), and the permanent magnet (12), the utility model discloses a drive mechanism of electric motor, including axle sleeve (5), fixed disk (13), top and the equal fixed mounting in bottom that axle sleeve (5) one side was kept away from in fixed disk (13), the equal fixed mounting in top and bottom of axle sleeve (5) one side has adjusting motor (14), the drive end fixed mounting of adjusting motor (14) has driving gear (15), two the opposite side meshing of driving gear (15) has driven gear (16), one side fixed mounting that driven gear (16) are close to axle sleeve (5) has accommodate the lead screw (17).

2. The novel bidirectional permanent magnet coupler of claim 1, wherein: the driven substrate disc (3) is obliquely arranged.

3. The novel bidirectional permanent magnet coupler of claim 1, wherein: the number of the permanent magnets (12) is even, and the permanent magnets are alternately distributed in N-level and S-level.

4. The novel bidirectional permanent magnet coupler of claim 1, wherein: the number of the sliding rods (9) is the same as that of the permanent magnet base bodies (11), and the positions of the sliding rods and the permanent magnet base bodies correspond to each other.

5. The novel bidirectional permanent magnet coupler of claim 1, wherein: one end of the permanent magnet matrix (11) close to the input shaft (6) is movably connected with the fixed disc (13).

6. The novel bidirectional permanent magnet coupler of claim 1, wherein: one end of the adjusting screw rod (17) far away from the driven gear (16) is sleeved inside the moving ring (8).