Rotary magnetic actuator

Abstract

The utility model discloses a rotary magnetic actuator, which belongs to the technical field of magnetic actuators, and comprises a first part and a second part which correspond to each other, the first part comprises a first shell, a rotatable connecting disc is arranged in the first shell, the first end of the connecting disc is connected with an input shaft, and the second end of the connecting disc is connected with a first permanent magnet; the second part comprises a second shell, two second permanent magnets are symmetrically arranged in the second shell, and the magnetic poles of the two second permanent magnets are opposite in the axis direction of the second permanent magnets. When the first part is connected with the second part, the first permanent magnet is located between the two second permanent magnets. The first permanent magnet is connected with the input shaft, the input shaft can be connected with an external driving device so as to drive the first permanent magnet to rotate, the second permanent magnet is fixedly arranged, and the rotation of the first permanent magnet can change the distribution of a magnetic field, so that the working end part of the actuator is magnetic or non-magnetic, and the opening and closing of magnetic force are realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to magnetic force executor technical field, concretely relates to a rotary magnetic force executor. BACKGROUND

[0002] The magnetic force executor is internally provided with two permanent magnets, the distribution of the magnetic field is changed by rotating one permanent magnet, and the magnetism of the working end of the magnetic force executor is adjusted. The rotation angle of the permanent magnet of the existing magnetic force executor has a limit, in order to realize the magnetic force switch of the magnetic force executor, it needs to rotate back and forth, and the power source of the existing device is mostly a motor, which leads to poor adaptability of the magnetic force executor and the motor. Therefore, the utility model provides a rotary magnetic force executor. UTILITY MODEL CONTENTS

[0003] The utility model discloses a rotary magnetic force executor.

[0004] To solve the above technical problem, the utility model discloses a rotary magnetic force executor.

[0005] A rotary magnetic force executor, comprising: a first part and a second part.

[0006] The first part comprises a first shell, a rotatable connecting disc is arranged in the first shell, an input shaft is connected to the first end of the connecting disc, and a first permanent magnet is connected to the second end of the connecting disc. The input shaft extends to the outside of the first shell. The first permanent magnet comprises two symmetrically arranged sub-permanent magnets, and the magnetic poles of the two sub-permanent magnets are opposite along the axial direction.

[0007] The second part comprises a second shell, two second permanent magnets are symmetrically arranged in the second shell, and the magnetic poles of the two second permanent magnets are opposite along the axial direction.

[0008] When the first part is connected to the second part, the first permanent magnet is located between the two second permanent magnets.

[0009] On the basis of the above scheme and as a preferred scheme of the above scheme, a bearing is arranged between the connecting disc and the first shell.

[0010] On the basis of the above scheme and as a preferred scheme of the above scheme, a first connecting protrusion in the shape of a strip is arranged at the center of the second end of the connecting disc, and a first connecting groove that is adapted to the first connecting protrusion is arranged at the center of the top end of the first permanent magnet.

[0011] On the basis of the above scheme and as a preferred scheme of the above scheme, a second connecting protrusion in the shape of a strip is arranged at the center of the first end of the connecting disc. The bottom end of the input shaft is provided with a connecting seat, and a second connecting groove that is adapted to the second connecting protrusion is arranged at the bottom of the connecting seat.

[0012] Based on the above scheme and as a preferred embodiment of the above scheme, the first permanent magnet has a cylindrical structure, and the two sub-permanent magnets have a semi-cylindrical structure.

[0013] Based on the above scheme and as a preferred embodiment of the above scheme, the second permanent magnet has an arc structure and is concentrically arranged with the first permanent magnet.

[0014] Based on the above scheme and as a preferred embodiment of the above scheme, a stop block is provided between the two second permanent magnets.

[0015] Compared with the prior art, this utility model has the following advantages and beneficial effects: The first permanent magnet of this utility model is connected to the input shaft, and the input shaft can be connected to an external drive device, thereby driving the first permanent magnet to rotate. Since the second permanent magnet is fixedly set, the rotation of the first permanent magnet will change the magnetic field distribution, so that the working end of the actuator is magnetic or non-magnetic, realizing the magnetic switching. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model.

[0017] Figure 2 This is a cross-sectional view of the present invention.

[0018] Figure 3 This is a schematic diagram of the first part of the structure of this utility model.

[0019] Figure 4 This is a schematic diagram of the first exploded structure of this utility model.

[0020] Figure 5 This is a schematic diagram of the connecting disc structure of this utility model.

[0021] Figure 6 This is a schematic diagram of the second part of the exploded structure of this utility model.

[0022] Figure 7 This is a schematic diagram of the magnetic poles of the first and second permanent magnets of this utility model.

[0023] In the figure: 1. First outer shell; 2. Connecting disc; 3. Input shaft; 4. First permanent magnet; 5. Second outer shell; 6. Second permanent magnet; 7. First bearing; 8. First connecting protrusion; 9. First connecting groove; 10. Second connecting protrusion; 11. Connecting seat; 12. Second connecting groove; 13. Abutment; 14. Magnetic guide plate; 15. Second bearing. Detailed Implementation

[0024] In order to make the technical scheme of the utility model better understood by the skilled in the art, the preferred embodiment of the utility model is described below in conjunction with specific embodiments, but it should be understood that the drawings are only used for exemplary illustration and cannot be understood as limiting the utility model; in order to better illustrate the embodiments, some components in the drawings can be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings can be omitted. The positional relationship described in the drawings is only used for exemplary illustration and cannot be understood as limiting the utility model.

[0025] As shown in Figure 1 and Figure 2 , a rotary magnetic actuator comprises a first part and a second part corresponding and detachably connected.

[0026] Wherein, as shown in Figure 3 and Figure 4 , the first part comprises a first housing 1. The first housing 1 is circular, and has an installation space inside, which extends upward from its bottom surface. At the same time, a through hole is formed in the center of the top surface of the first housing 1, which communicates with the installation space.

[0027] A rotatable connecting disc 2 is arranged in the first housing 1. The connecting disc 2 is circular and located in the installation space, and is arranged concentrically with the first housing 1, and a bearing is arranged between the two to realize relative rotation. Preferably, the bearing comprises a first bearing 7 and a second bearing 15, the first bearing 7 is located above the connecting disc 2, and the second bearing 15 is located at the outer periphery of the connecting disc 2.

[0028] The connecting disc 2 is connected with an input shaft 3 at the first end and a first permanent magnet 4 at the second end. The input shaft 3 extends out of the first housing 1 through the through hole. The first permanent magnet 4 comprises two symmetrically arranged sub-permanent magnets, and the magnetic poles of the two sub-permanent magnets are opposite along the axial direction.

[0029] Specifically, as shown in Figures 3 to 5 , the connecting disc 2 has a first circular protrusion at the first end, and the top surface of the circular protrusion is provided with a long strip-shaped second connecting protrusion 10, and the second connecting protrusion 10 is arranged along the diameter of the circular protrusion. The bottom end of the input shaft 3 is provided with a connecting seat 11, and the bottom of the connecting seat 11 is provided with a second connecting groove 12 matched with the second connecting protrusion 10, and the connection and positioning of the input shaft 3 and the connecting disc 2 can be realized through the cooperation of the second connecting protrusion 10 and the second connecting groove 12.

[0030] The connecting seat 11 is located in the through hole and is detachably fixedly connected with the connecting disc 2 through a screw. Preferably, when the connecting seat 11 is completely located in the through hole, the top surface thereof is flush with the top surface of the first housing 1.

[0031] Meanwhile, the second end of the connecting disc 2 is centrally provided with a second circular protrusion, and the top surface of the second circular protrusion is provided with a first connecting protrusion 8 in the shape of a strip. The first connecting protrusion 8 is distributed along the diameter of the second circular protrusion.

[0032] The first permanent magnet 4 is centrally provided at the top end with a first connecting groove 9 adapted to the first connecting protrusion 8. The first connecting groove 9 and the first connecting protrusion 8 are matched to achieve the connection and positioning of the first permanent magnet 4 and the connecting disc 2. Preferably, the first permanent magnet 4 is detachably fixed to the connecting disc 2 by a screw. The first permanent magnet 4 is centrally provided with a through screw hole, and the screw is connected to the connecting disc 2 after passing through the first permanent magnet 4 from the top surface of the first permanent magnet 4.

[0033] Further, the first permanent magnet 4 is in the shape of a cylinder, and the two sub-permanent magnets are in the shape of a half cylinder. The first connecting groove 9 is distributed along the diameter of the top surface of the first permanent magnet 4 in the shape of a cylinder, and the screw hole is distributed along the axis of the first permanent magnet 4.

[0034] As shown in FIG. 1, the first part comprises a first housing 1, and the first housing 1 is centrally provided with a first permanent magnet 4. Figure 6 The first permanent magnet 4 is centrally provided with a first connecting groove 9 adapted to the first connecting protrusion 8. The first connecting groove 9 and the first connecting protrusion 8 are matched to achieve the connection and positioning of the first permanent magnet 4 and the connecting disc 2. Preferably, the first permanent magnet 4 is detachably fixed to the connecting disc 2 by a screw. The first permanent magnet 4 is centrally provided with a through screw hole, and the screw is connected to the connecting disc 2 after passing through the first permanent magnet 4 from the top surface of the first permanent magnet 4.

[0035] Preferably, the first housing 1 is in the shape of a circle adapted to the second housing 5, and the two are detachably fixed by a screw.

[0036] The first housing 1 is centrally provided with a circular mounting groove, and the first permanent magnet 4 is fixed in the mounting groove. Preferably, the first permanent magnet 4 is in the shape of a circular arc, and the outer wall is attached to the inner wall of the mounting groove. Further, a stop block 13 is arranged between the two first permanent magnets 4 to prevent the two first permanent magnets 4 from approaching each other. The stop block 13 is tightly attached to the inner wall of the mounting groove and forms a circular ring structure with the two first permanent magnets 4. Optionally, the top of the circular ring structure is provided with a magnetic guide sheet 14 to better fix the first permanent magnet 4, and at the same time, when the first part and the second part are connected, the first permanent magnet 4, the stop block 13 and the connecting disc 2 have a partition structure.

[0037] When the first part and the second part are connected, the first permanent magnet 4 is located between the two second permanent magnets 6 and is concentrically arranged with the first permanent magnet 4.

[0038] As shown in FIG. 1, the first part comprises a first housing 1, and the first housing 1 is centrally provided with a first permanent magnet 4. Figure 7 When the first part and the second part are connected, the first permanent magnet 4 is located between the two second permanent magnets 6 and is concentrically arranged with the first permanent magnet 4.

[0039] The preferred embodiments of the present application are described in detail above. It should be understood that those skilled in the art can make many modifications and changes without creative labor based on the concept of the present application. Therefore, any technical solutions obtained by logical analysis, reasoning or limited experiments based on the existing technology within the concept of the present application shall be within the protection scope defined by the claims.

Claims

1. A rotary magnetic actuator, characterized in that, include: Part One and Part Two; The first part includes a first outer shell (1), and a rotatable connecting disk (2) is provided inside the first outer shell (1). The first end of the connecting disk (2) is connected to an input shaft (3), and the second end is connected to a first permanent magnet (4). The input shaft (3) extends to the outside of the first outer shell (1). The first permanent magnet (4) includes two sub-permanent magnets symmetrically arranged, and the magnetic poles of the two sub-permanent magnets are opposite along their axial directions. The second part includes a second outer shell (5), and two second permanent magnets (6) are symmetrically arranged inside the second outer shell (5). The magnetic poles of the two second permanent magnets (6) are opposite along their axes. When the first part is connected to the second part, the first permanent magnet (4) is located between the two second permanent magnets (6).

2. The rotary magnetic actuator according to claim 1, characterized in that, A bearing is provided between the connecting plate (2) and the first outer shell (1).

3. A rotary magnetic actuator according to claim 1, characterized in that, The second end of the connecting disk (2) is provided with a long strip-shaped first connecting protrusion (8), and the top center of the first permanent magnet (4) is provided with a first connecting groove (9) that matches the first connecting protrusion (8).

4. A rotary magnetic actuator according to claim 1, characterized in that, The first end of the connecting plate (2) is provided with a long strip-shaped second connecting protrusion (10); the bottom end of the input shaft (3) is provided with a connecting seat (11), and the bottom of the connecting seat (11) is provided with a second connecting groove (12) that matches the second connecting protrusion (10).

5. A rotary magnetic actuator according to claim 1, characterized in that, The first permanent magnet (4) has a cylindrical structure, and the two sub-permanent magnets have a semi-cylindrical structure.

6. A rotary magnetic actuator according to claim 5, characterized in that, The second permanent magnet (6) has an arc structure and is concentrically arranged with the first permanent magnet (4).

7. A rotary magnetic actuator according to claim 6, characterized in that, A stop block (13) is provided between the two second permanent magnets (6).

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