Samarium cobalt magnetic steel for high-temperature motor

Abstract

The utility model relates to the technical field of samarium-cobalt magnetic steel, and discloses samarium-cobalt magnetic steel for a high-temperature motor, which comprises a cylinder, the upper side and the lower side of the cylinder are fixedly connected with first arc-shaped plates, and the surfaces of the first arc-shaped plates are fixedly connected with annular magnetic steel. Second arc-shaped plates are arranged on the front side and the rear side of the first arc-shaped plate, the inner wall of the annular magnetic steel and the surface of the cylinder in an attached mode, first baffle rings are fixedly connected to the side faces of the second arc-shaped plates, and stepped holes are formed in the first baffle rings. According to the samarium cobalt magnetic steel, through cooperation of the cylinder, the first arc-shaped plate, the annular magnetic steel, the second arc-shaped plate, the first baffle ring, the stepped hole, the threaded hole, the bolt, the arc-shaped magnetic steel, the hemispherical block and the positioning groove, the annular magnetic steel and the arc-shaped magnetic steel can be disassembled and assembled, and the magnetic property of the samarium cobalt magnetic steel can be changed by changing the number of the arc-shaped magnetic steel on the annular magnetic steel. Therefore, the application range of the samarium-cobalt magnetic steel is widened.

Description

Technical Field

[0001] The utility model relates to the technical field of samarium cobalt magnets, in particular to a samarium cobalt magnet for high-temperature motors. Background Art

[0002] Samarium cobalt magnet is a rare earth magnet. It is a magnetic tool material made of samarium, cobalt and other rare earth metal materials that are mixed and melted into an alloy, and then crushed, pressed and sintered. It has high magnetic energy product and extremely low temperature coefficient. The maximum working temperature can reach 350℃, and there is no limit to negative temperature. When the working temperature is above 180℃, its maximum magnetic energy product, coercivity, temperature stability and chemical stability all exceed those of neodymium iron boron permanent magnet materials.

[0003] At present, in high-temperature motors, samarium cobalt magnets are used to ensure the stability of the magnetic field inside the high-temperature motors. However, the existing samarium cobalt magnets for high-temperature motors have a fixed shape, which makes it impossible to adjust the magnetic strength of the samarium cobalt magnets as needed, thereby reducing the application scope of the samarium cobalt magnets. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art. For example, at present, in high-temperature motors, samarium cobalt magnets are used to ensure the stability of the magnetic field in the high-temperature motors. However, the existing samarium cobalt magnets for high-temperature motors have a fixed shape, which leads to the inability to adjust the magnetic strength of the samarium cobalt magnets as needed, thereby reducing the application scope of the samarium cobalt magnets. A samarium cobalt magnet for high-temperature motors is proposed.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A samarium-cobalt magnet for a high-temperature motor comprises a cylinder, wherein the upper and lower sides of the cylinder are fixedly connected with a first arc plate, the surface of the first arc plate is fixedly connected with an annular magnetic steel, the front and rear sides of the first arc plate, the inner wall of the annular magnetic steel and the surface of the cylinder are fitted with a second arc plate, the side of the second arc plate is fixedly connected with a first retaining ring, the interior of the first retaining ring is provided with a stepped hole, the interior of the first arc plate is provided with a threaded hole, the inner wall of the threaded hole is threadedly connected with a bolt, the surface of the bolt is in contact with the inner wall of the stepped hole, the surface of the second arc plate, the left and right sides of the annular magnetic steel and the side of the first retaining ring are fitted with arc magnetic steel, one side of the arc magnetic steel is fixedly connected with a hemispherical block, the other side of the arc magnetic steel and the left and right sides of the annular magnetic steel are provided with a positioning groove, and the inner wall of the positioning groove is in contact with the surface of the hemispherical block.

[0007] Preferably, a groove is provided on the side of the bolt, a transmission bracket is fitted on the inner wall of the groove, a ring is fixedly connected to the side of the bolt, the inner wall of the ring contacts the surface of the transmission bracket, and the surface of the transmission bracket is fixedly connected to the inner wall of the threaded hole.

[0008] Preferably, the transmission bracket includes a bearing, the inner wall of the bearing is fixedly connected to the inner wall of the threaded hole, the inner wall of the bearing is fixedly connected to a cylinder, the surface of the cylinder contacts the inner wall of the ring, the left and right ends of the cylinder are fixedly connected to square columns, the surfaces of the square column and the cylinder are both in contact with the inner wall of the groove.

[0009] Preferably, the center of the cylinder and the center of the square column are on the same horizontal line, and the length of the square column is greater than the diameter of the cylinder.

[0010] Preferably, the side of the first retaining ring is fixedly connected to a connecting column, the side of the connecting column is fixedly connected to a second retaining ring, the side of the first retaining ring, the surface of the connecting column, the side of the second retaining ring and the side of the bolt are all fitted with elastic rubber rings, and a circular hole is opened inside the second retaining ring.

[0011] Preferably, the center of the circular hole and the center of the bolt are on the same horizontal line.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] (1) The utility model is provided with a cylinder, a first arc-shaped plate, an annular magnet, a second arc-shaped plate, a first retaining ring, a stepped hole, a threaded hole, a bolt, an arc-shaped magnet, a hemispherical block and a positioning groove, wherein when the user rotates the bolt to clamp the arc-shaped magnet with the first retaining ring and the annular magnet, the arc-shaped magnet can be fixed on the annular magnet through the cooperation of the hemispherical block and the positioning block; when the user rotates the bolt to loosen the arc-shaped magnet with the first retaining ring and the annular magnet, the arc-shaped magnet can be directly removed from the annular magnet; and further, through the cooperation of the cylinder, the first arc-shaped plate, the annular magnet, the second arc-shaped plate, the first retaining ring, the stepped hole, the threaded hole, the bolt, the arc-shaped magnet, the hemispherical block and the positioning groove, the annular magnet can be disassembled and assembled with the arc-shaped magnet; and by changing the number of arc-shaped magnets on the annular magnet, the magnetic properties of the samarium cobalt magnet can be changed, thereby improving the application range of the samarium cobalt magnet.

[0014] (2) The utility model cooperates with the groove and the transmission bracket to enable the two adjacent bolts on the left and right to rotate synchronously. When the user disassembles and assembles the arc magnet, the user can loosen or clamp the two first retaining rings on the left and right at the same time by rotating the bolt on one side, thereby making it more convenient to disassemble and assemble the arc magnet. At the same time, when the elastic rubber ring is stuck between the first retaining ring and the second retaining ring, the bolt can be locked by the elastic rubber ring, thereby preventing the arc magnet from loosening easily after being fixed. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0017] Figure 3 for Figure 1 Sectional view at the middle BB;

[0018] Figure 4 for Figure 3 Enlarged view of point C in the middle;

[0019] Figure 5 It is a side view of the first curved plate in the utility model;

[0020] Figure 6 It is a side view of the annular magnetic steel in the utility model;

[0021] Figure 7 It is a side view of the first retaining ring in the utility model;

[0022] Figure 8 It is a top view of the bolt in the utility model;

[0023] Fig. 9 It is a side view of the arc-shaped magnetic steel in the utility model;

[0024] Fig.10 It is a top view of the transmission bracket in the utility model;

[0025] Fig.11 It is a side view of the second retaining ring in the utility model;

[0026] Fig.12 It is a side view of the elastic rubber ring in the utility model.

[0027] In the figure: 1, cylinder; 2, first arc plate; 3, annular magnetic steel; 4, second arc plate; 5, first retaining ring; 6, stepped hole; 7, threaded hole; 8, bolt; 9, arc magnetic steel; 10, hemispherical block; 11, positioning groove; 12, groove; 13, transmission bracket; 131, bearing; 132, cylinder; 133, square column; 14, circular ring; 15, connecting column; 16, second retaining ring; 17, elastic rubber ring; 18, circular hole. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0029] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0030] Embodiment 1:

[0031] Reference Figure 1-9 A samarium cobalt magnet for a high-temperature motor comprises a cylinder 1, a first arc plate 2 is fixedly connected to both upper and lower sides of the cylinder 1, an annular magnet 3 is fixedly connected to the surface of the first arc plate 2, a second arc plate 4 is fitted on both front and rear sides of the first arc plate 2, the inner wall of the annular magnet 3 and the surface of the cylinder 1, a first retaining ring 5 is fixedly connected to the side of the second arc plate 4, and the first retaining ring 5 can only move left and right through the cooperation of the cylinder 1, the first arc plate 2 and the second arc plate 4, a stepped hole 6 is opened inside the first retaining ring 5, a threaded hole 7 is opened inside the first arc plate 2, a bolt 8 is threadedly connected to the inner wall of the threaded hole 7, and the surface of the bolt 8 contacts the inner wall of the stepped hole 6 The surface of the second arc plate 4, the left and right sides of the annular magnetic steel 3 and the side of the first retaining ring 5 are all fitted with arc-shaped magnetic steel 9. When the bolt 8 is screwed into the threaded hole 7, the first retaining ring 5 and the annular magnetic steel 3 can clamp the arc-shaped magnetic steel 9 through the cooperation of the bolt 8, the threaded hole 7 and the stepped hole 6. A hemispherical block 10 is fixedly connected to one side of the arc-shaped magnetic steel 9. A positioning groove 11 is provided on the other side of the arc-shaped magnetic steel 9 and the left and right sides of the annular magnetic steel 3. The inner wall of the positioning groove 11 contacts the surface of the hemispherical block 10. When the first retaining ring 5 and the annular magnetic steel 3 clamp the arc-shaped magnetic steel 9, the arc-shaped magnetic steel 9 is fixed on the annular magnetic steel 3 through the cooperation of the positioning groove 11 and the hemispherical block 10.

[0032] Embodiment 2:

[0033] Reference Figure 1-10 A groove 12 is provided on the side of the bolt 8, and a transmission bracket 13 is fitted on the inner wall of the groove 12. A ring 14 is fixedly connected to the side of the bolt 8, and the inner wall of the ring 14 contacts the surface of the transmission bracket 13, and the surface of the transmission bracket 13 is fixedly connected to the inner wall of the threaded hole 7.

[0034] The transmission bracket 13 includes a bearing 131, the inner wall of the bearing 131 is fixedly connected to the inner wall of the threaded hole 7, the inner wall of the bearing 131 is fixedly connected to a cylinder 132, the surface of the cylinder 132 contacts the inner wall of the ring 14, the left and right ends of the cylinder 132 are fixedly connected to square columns 133, the surface of the square column 133 and the surface of the cylinder 132 are both in contact with the inner wall of the groove 12, the center of the cylinder 132 and the center of the square column 133 are on the same horizontal line, and the length of the square column 133 is It is larger than the diameter of the cylinder 132, and the ring 14 prevents the square column 133 and the cylinder 132 from being separated from the groove 12. At the same time, when the bolt 8 on one side rotates, the cooperation of the cylinder 132, the square column 133 and the groove 12 allows the bolt 8 on the other side to rotate synchronously. When the user disassembles and assembles the arc magnetic steel 9, by rotating the bolt 8 on one side, the two left and right first retaining rings 5 ​​can simultaneously loosen or clamp the arc magnetic steel 9, thereby making it more convenient to disassemble and assemble the arc magnetic steel 9.

[0035] Embodiment three:

[0036] Reference Figure 1-12 A connecting column 15 is fixedly connected to the side of the first retaining ring 5, and a second retaining ring 16 is fixedly connected to the side of the connecting column 15. An elastic rubber ring 17 is fitted on the side of the first retaining ring 5, the surface of the connecting column 15, the side of the second retaining ring 16 and the side of the bolt 8. A circular hole 18 is opened inside the second retaining ring 16. The center of the circular hole 18 is on the same horizontal line as the center of the bolt 8. A screwdriver can pass through the circular hole 18 and contact the bolt 8. When the elastic rubber ring 17 is stuck between the first retaining ring 5 and the second retaining ring 16, the bolt 8 can be locked by the elastic rubber ring 17, so that the arc-shaped magnetic steel 9 is not easy to loosen after being fixed.

[0037] In the utility model, when adjusting the magnetism of the samarium cobalt magnet, the user first removes the elastic rubber ring 17 from between the first retaining ring 5 and the second retaining ring 16, and then rotates the bolt 8 by a screwdriver to increase the distance between the first retaining ring 5 and the annular magnetic steel 3. After the first retaining ring 5 and the annular magnetic steel 3 loosen the arc magnetic steel 9, the user changes the number of arc magnetic steels 9 between the first retaining ring 5 and the annular magnetic steel 3 according to demand, and then, by rotating the bolt 8, the first retaining ring 5 and the annular magnetic steel 3 clamp the arc magnetic steel 9, and through the cooperation of the hemispherical block 10 and the positioning block, the arc magnetic steel 9 can be fixed on the annular magnetic steel 3, and then, the elastic rubber ring 17 is inserted between the first retaining ring 5 and the second retaining ring 16, and the bolt 8 is locked by the elastic rubber ring 17.

[0038] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

[0039] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

Claims

1. A samarium-cobalt magnet for a high-temperature motor, comprising a cylinder (1), characterized in that: The cylinder (1) is fixedly connected to a first arc-shaped plate (2) on both upper and lower sides, and a ring-shaped magnetic steel (3) is fixedly connected to the surface of the first arc-shaped plate (2). A second arc-shaped plate (4) is fitted on both front and rear sides of the first arc-shaped plate (2), the inner wall of the ring-shaped magnetic steel (3) and the surface of the cylinder (1). A first retaining ring (5) is fixedly connected to the side of the second arc-shaped plate (4). A stepped hole (6) is provided inside the first retaining ring (5). A threaded hole (7) is provided inside the first arc-shaped plate (2). The threaded hole (8) is provided on the inner side of the first arc-shaped plate (2). The inner wall of the stepped hole (7) is threadedly connected with a bolt (8), the surface of the bolt (8) contacts the inner wall of the stepped hole (6), the surface of the second curved plate (4), the left and right sides of the annular magnetic steel (3) and the side of the first retaining ring (5) are all fitted with an arc-shaped magnetic steel (9), one side of the arc-shaped magnetic steel (9) is fixedly connected with a hemispherical block (10), the other side of the arc-shaped magnetic steel (9) and the left and right sides of the annular magnetic steel (3) are provided with a positioning groove (11), and the inner wall of the positioning groove (11) contacts the surface of the hemispherical block (10).

2. The samarium cobalt magnet for high temperature motor according to claim 1, characterized in that: A groove (12) is provided on the side of the bolt (8), a transmission bracket (13) is fitted on the inner wall of the groove (12), a circular ring (14) is fixedly connected to the side of the bolt (8), the inner wall of the circular ring (14) contacts the surface of the transmission bracket (13), and the surface of the transmission bracket (13) is fixedly connected to the inner wall of the threaded hole (7).

3. The samarium-cobalt magnet for high-temperature motor according to claim 2, characterized in that: The transmission bracket (13) comprises a bearing (131), the inner wall of the bearing (131) is fixedly connected to the inner wall of the threaded hole (7), the inner wall of the bearing (131) is fixedly connected to a cylinder (132), the surface of the cylinder (132) contacts the inner wall of the ring (14), the left and right ends of the cylinder (132) are fixedly connected to square columns (133), and the surfaces of the square columns (133) and the cylinder (132) are both in contact with the inner wall of the groove (12).

4. The samarium-cobalt magnet for high-temperature motor according to claim 3, characterized in that: The center of the cylinder (132) and the center of the square column (133) are on the same horizontal line, and the length of the square column (133) is greater than the diameter of the cylinder (132).

5. The samarium-cobalt magnet for high-temperature motor according to claim 1, characterized in that: The side surface of the first retaining ring (5) is fixedly connected to a connecting column (15), and the side surface of the connecting column (15) is fixedly connected to a second retaining ring (16). The side surface of the first retaining ring (5), the surface of the connecting column (15), the side surface of the second retaining ring (16) and the side surface of the bolt (8) are all fitted with elastic rubber rings (17), and a circular hole (18) is opened inside the second retaining ring (16).

6. The samarium-cobalt magnet for high-temperature motor according to claim 5, characterized in that: The center of the circular hole (18) and the center of the bolt (8) are on the same horizontal line.

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