Radial cylindrical samarium cobalt magnetic steel

Abstract

The utility model relates to the technical field of radial cylindrical samarium-cobalt magnetic steel, and discloses radial cylindrical samarium-cobalt magnetic steel which comprises a magnetic steel body, a first cylinder is fixedly connected to the inner wall of the magnetic steel body, a first strip-shaped hole is formed in the first cylinder, a sliding groove is formed in the inner wall of the magnetic steel body, and a second strip-shaped hole is formed in the sliding groove. Supporting columns are arranged on the inner wall of the sliding groove and the inner wall of the first strip-shaped hole, round holes are formed in the supporting columns, round columns are fixedly connected to the inner walls of the round holes, and a second strip-shaped hole is formed in the first cylinder. Through cooperation of the first cylinder, the first strip-shaped hole, the sliding groove, the supporting column, the round hole, the round column, the second strip-shaped hole and the pressing support, after the fixing support and the pressing support are separated, the supporting column can freely slide in the first strip-shaped hole, and due to the fact that a certain gap exists between the first cylinder and the rotating shaft, the supporting column can be conveniently fixed. Therefore, the samarium-cobalt magnetic steel cannot be clamped on the rotating shaft, and the samarium-cobalt magnetic steel is more convenient to disassemble.

Description

Technical Field

[0001] The utility model relates to the technical field of radial cylindrical samarium-cobalt magnetic steel, in particular to a radial cylindrical samarium-cobalt magnetic steel. Background Art

[0002] Samarium cobalt magnet is a rare earth magnet. It is a magnetic tool material made by mixing samarium, cobalt and other rare earth metal materials, melting them into alloys, crushing, pressing and sintering. 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] However, currently, after the radial cylindrical SmCo magnet is installed on the rotating shaft, the radial cylindrical SmCo magnet is often stuck on the rotating shaft, which makes it difficult to remove the radial cylindrical SmCo magnet from the rotating shaft. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art. For example, at present, after the radial cylindrical samarium cobalt magnet is installed on the rotating shaft, the radial cylindrical samarium cobalt magnet is often stuck on the rotating shaft, which makes it more troublesome to remove the radial cylindrical samarium cobalt magnet from the rotating shaft. A radial cylindrical samarium cobalt magnet is proposed.

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

[0006] A radial cylindrical samarium cobalt magnet comprises a magnet body, the inner wall of the magnet body is fixedly connected with a first cylinder, the interior of the first cylinder is provided with a first strip hole, the inner wall of the magnet body is provided with a slide groove, the inner wall of the slide groove and the inner wall of the first strip hole are both provided with a support column, the interior of the support column is provided with a circular hole, the inner wall of the circular hole is fixedly connected with a circular column, the interior of the first cylinder is provided with a second strip hole, the surface of the first cylinder, the inner wall of the second strip hole, the left and right sides of the magnet body and the left and right ends of the circular column are all fitted with a pressing bracket, the side of the pressing bracket is fitted with a fixing bracket, the surface of the support column is fitted with a rotating shaft, the upper and lower sides of the rotating shaft are provided with a threaded groove, the inner wall of the threaded groove is threadedly connected with a bolt, the surface of the bolt contacts the inner wall of the fixing bracket, the inner wall of the first cylinder is provided with a positioning groove, the upper surface of the rotating shaft is provided with a first groove, and the inner wall of the first groove and the inner wall of the positioning groove are both fitted with a positioning pin.

[0007] Preferably, the pressing bracket includes a second cylinder, the inner wall of the second cylinder contacts the surface of the first cylinder, the left and right ends of the second cylinder respectively contact the left and right sides of the magnetic steel body and the side of the fixed bracket, a through hole is opened inside the second cylinder, a limiting block is fixedly connected to the inner wall of the through hole, the surface of the limiting block contacts the inner wall of the second strip hole, a trapezoidal groove is opened on the side of the limiting block, and the left and right ends of the circular column are both in contact with the inner wall of the trapezoidal groove.

[0008] Preferably, the fixing bracket comprises a circular ring, one side of which contacts the side surface of the second cylinder, and the other side of which is fixedly connected with a hollow block, and the inner wall of the hollow block contacts the surface of the bolt.

[0009] Preferably, the axis of the first cylinder coincides with the axis of the rotating shaft, and the inner diameter of the first cylinder is greater than the diameter of the rotating shaft.

[0010] Preferably, the axis of the circular ring coincides with the axis of the rotating shaft, and the inner diameter of the circular ring is equal to the inner diameter of the first cylinder.

[0011] Preferably, a third cylinder is provided on the side of the circular ring, and second grooves are provided on the upper and lower sides of the inner wall of the third cylinder, a metal spring is fixedly connected to the inner wall of the second groove, the surface of the metal spring and the inner wall of the second groove are in contact with the surface of the bolt, a trapezoidal block is fixedly connected to the side of the metal spring away from the rotating shaft, a U-shaped column is fixedly connected to the side of the circular ring, and the inner wall of the U-shaped column is in contact with the surface of the trapezoidal block.

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

[0013] (1) The utility model can fix the samarium cobalt magnet on the rotating shaft through the cooperation of the fixing bracket, the bolt and the threaded groove, and can make the samarium cobalt magnet rotate synchronously with the rotating shaft through the cooperation of the positioning groove, the first groove and the positioning pin. At the same time, when the fixing bracket is separated from the pressing bracket, the support column can slide freely in the first strip hole, and there is a certain gap between the first cylinder and the rotating shaft, so that the samarium cobalt magnet will not be stuck on the rotating shaft, thereby making it more convenient to disassemble the samarium cobalt magnet.

[0014] (2) The utility model can fix the third cylinder on the ring through the cooperation of the metal spring piece, the trapezoidal block and the U-shaped column, and can lock the bolt through the second groove, so that the bolt will not rotate after being vibrated, thereby making the fixing bracket on the samarium cobalt magnet not easy to loosen. 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 It is a side view of the magnetic steel body in the utility model;

[0019] Figure 5 It is a front view of the first cylinder in the utility model;

[0020] Figure 6 It is a side view of the first cylinder in the utility model;

[0021] Figure 7 It is a side view of the pressing bracket in the utility model;

[0022] Figure 8 for Figure 7 Sectional view at CC;

[0023] Fig. 9 It is a side view of the fixing bracket in the utility model;

[0024] Fig.10 It is a top view of the rotating shaft of the utility model;

[0025] Fig.11 It is a side view of the third cylinder in the utility model.

[0026] In the figure: 1. magnetic steel body; 2. first cylinder; 3. first strip hole; 4. slide groove; 5. support column; 6. round hole; 7. round column; 8. second strip hole; 9. pressing bracket; 91. second cylinder; 92. through hole; 93. limit block; 94. trapezoidal groove; 10. fixed bracket; 101. ring; 102. hollow block; 11. rotating shaft; 12. threaded groove; 13. bolt; 14. positioning groove; 15. first groove; 16. positioning pin; 17. third cylinder; 18. second groove; 19. metal spring; 20. trapezoidal block; 21. U-shaped column. DETAILED DESCRIPTION

[0027] 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.

[0028] 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.

[0029] Embodiment 1:

[0030] Reference Figure 1-10 A radial cylindrical samarium cobalt magnet comprises a magnet body 1, the inner wall of the magnet body 1 is fixedly connected with a first cylinder 2, a first strip hole 3 is provided inside the first cylinder 2, a slide groove 4 is provided on the inner wall of the magnet body 1, a support column 5 is provided on the inner wall of the slide groove 4 and the inner wall of the first strip hole 3, the length of the first strip hole 3 is equal to the length of the support column 5, the support column 5 can slide in the first strip hole 3 and the slide groove 4, a circular hole 6 is provided inside the support column 5, a circular column 7 is fixedly connected to the inner wall of the circular hole 6, a second strip hole 8 is provided inside the first cylinder 2, and a pressing bracket 9 is provided on the surface of the first cylinder 2, the inner wall of the second strip hole 8, the left and right sides of the magnet body 1 and the left and right ends of the circular column 7. A fixing bracket 10 is fitted on the side of the pressing bracket 9, a rotating shaft 11 is fitted on the surface of the supporting column 5, the axis of the first cylinder 2 coincides with the axis of the rotating shaft 11, the inner diameter of the first cylinder 2 is larger than the diameter of the rotating shaft 11, thread grooves 12 are provided on the upper and lower sides of the rotating shaft 11, the inner wall of the thread groove 12 is threadedly connected with a bolt 13, the surface of the bolt 13 contacts the inner wall of the fixing bracket 10, a positioning groove 14 is provided on the inner wall of the first cylinder 2, a first groove 15 is provided on the upper surface of the rotating shaft 11, and a positioning pin 16 is fitted on the inner wall of the first groove 15 and the inner wall of the positioning groove 14. Through the cooperation of the positioning groove 14, the first groove 15 and the positioning pin 16, the samarium cobalt magnet can rotate synchronously with the rotating shaft 11.

[0031] The pressing bracket 9 includes a second cylinder 91, the inner wall of which contacts the surface of the first cylinder 2, and the left and right ends of the second cylinder 91 contact the left and right sides of the magnetic steel body 1 and the side of the fixed bracket 10 respectively. A through hole 92 is provided inside the second cylinder 91, and a limiting block 93 is fixedly connected to the inner wall of the through hole 92. The surface of the limiting block 93 contacts the inner wall of the second strip hole 8, and a trapezoidal groove 94 is provided on the side of the limiting block 93. The left and right ends of the circular column 7 contact the inner wall of the trapezoidal groove 94. When the second cylinder 91 contacts the magnetic steel body 1, the distance between the circular column 7 and the first cylinder 2 reaches the minimum through the cooperation of the trapezoidal groove 94 and the circular column 7, and the circular column 7 cannot move. When the second cylinder 91 is separated from the magnetic steel body 1, the support column 5 can slide freely in the slide groove 4 and the first strip hole 3.

[0032] The fixing bracket 10 includes a ring 101, one side of the ring 101 contacts the side surface of the second cylinder 91, and the other side of the ring 101 is fixedly connected with a hollow block 102, the inner wall of the hollow block 102 contacts the surface of the bolt 13, the axis of the ring 101 coincides with the axis of the rotating shaft 11, and the inner diameter of the ring 101 is equal to the inner diameter of the first cylinder 2. The ring 101 can be fixed on the rotating shaft 11 through the cooperation of the threaded groove 12, the bolt 13 and the hollow block 102, and the magnetic steel body 1 is limited by the ring 101. At the same time, when the ring 101 is fixed on the rotating shaft 11, the second cylinder 91 contacts the magnetic steel body 1.

[0033] Embodiment 2:

[0034] Reference Figure 1-11 A third cylinder 17 is provided on the side of the ring 101, and second grooves 18 are provided on the upper and lower sides of the inner wall of the third cylinder 17. A metal spring 19 is fixedly connected to the inner wall of the second groove 18. The surface of the metal spring 19 and the inner wall of the second groove 18 are in contact with the surface of the bolt 13. A trapezoidal block 20 is fixedly connected to the side of the metal spring 19 away from the rotating shaft 11. A U-shaped column 21 is fixedly connected to the side of the ring 101, and the inner wall of the U-shaped column 21 is in contact with the surface of the trapezoidal block 20. The third cylinder 17 can be fixed to the ring 101 through the cooperation of the metal spring 19, the trapezoidal block 20 and the U-shaped column 21, and the bolt 13 can be locked through the second groove 18, so that the bolt 13 will not rotate after being vibrated, so that the fixed bracket 10 on the samarium cobalt magnet is not easy to loosen.

[0035] In the utility model, when installing the samarium cobalt magnet, the user first fixes the fixed bracket 10 on one side to the rotating shaft 11 through the cooperation of the bolt 13, the threaded groove 12 and the hollow block 102, then puts the first cylinder 2 on the rotating shaft 11, and makes the positioning groove 14 contact the positioning pin 16 in the first groove 15. At this time, through the cooperation of the positioning groove 14, the first groove 15 and the positioning pin 16, the samarium cobalt magnet and the rotating shaft 11 rotate synchronously. Then, through the cooperation of the bolt 13, the threaded groove 12 and the hollow block 102, the fixed bracket 10 on the other side is fixed to the rotating shaft 11. At this time, the magnetic steel body 1 is limited by the two fixed brackets 10, and Make the two second cylinders 91 in close contact with the magnetic steel body 1, and then, through the cooperation of the trapezoidal groove 94 and the circular column 7, make the support column 5 contact with the rotating shaft 11 and make the support column 5 unable to move. At this time, the magnetic steel body 1 is supported by the support column 5. When the samarium cobalt magnet needs to be disassembled, first unscrew the bolt 13 from the threaded groove 12, and then remove the fixing bracket 10 from the rotating shaft 11. At the same time, when the fixing bracket 10 is separated from the pressing bracket 9, since the support column 5 can slide freely in the first strip hole 3, and since there is a certain gap between the first cylinder 2 and the rotating shaft 11, the samarium cobalt magnet can be smoothly removed from the rotating shaft 11.

[0036] 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.

[0037] 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 radial cylindrical samarium cobalt magnet, comprising a magnet body (1), characterized in that: The inner wall of the magnetic steel body (1) is fixedly connected to a first cylinder (2), a first strip-shaped hole (3) is provided inside the first cylinder (2), a slide groove (4) is provided on the inner wall of the magnetic steel body (1), the inner wall of the slide groove (4) and the inner wall of the first strip-shaped hole (3) are both provided with a support column (5), a circular hole (6) is provided inside the support column (5), a circular column (7) is fixedly connected to the inner wall of the circular hole (6), a second strip-shaped hole (8) is provided inside the first cylinder (2), the surface of the first cylinder (2), the inner wall of the second strip-shaped hole (8), the left and right sides of the magnetic steel body (1) and the left and right ends of the circular column (7) are all in contact with each other. A pressing bracket (9) is provided, a fixing bracket (10) is provided on the side of the pressing bracket (9), a rotating shaft (11) is provided on the surface of the supporting column (5), a thread groove (12) is provided on the upper and lower sides of the rotating shaft (11), a bolt (13) is threadedly connected to the inner wall of the thread groove (12), and the surface of the bolt (13) contacts the inner wall of the fixing bracket (10), a positioning groove (14) is provided on the inner wall of the first cylinder (2), a first groove (15) is provided on the upper surface of the rotating shaft (11), and a positioning pin (16) is provided on the inner wall of the first groove (15) and the inner wall of the positioning groove (14).

2. A radial cylindrical samarium cobalt magnet according to claim 1, characterized in that: The pressing bracket (9) comprises a second cylinder (91), the inner wall of which contacts the surface of the first cylinder (2), the left and right ends of which contact the left and right sides of the magnetic steel body (1) and the side of the fixed bracket (10) respectively, a through hole (92) is provided inside the second cylinder (91), a limiting block (93) is fixedly connected to the inner wall of the through hole (92), the surface of the limiting block (93) contacts the inner wall of the second strip hole (8), a trapezoidal groove (94) is provided on the side of the limiting block (93), and the left and right ends of the circular column (7) contact the inner wall of the trapezoidal groove (94).

3. A radial cylindrical samarium cobalt magnet according to claim 2, characterized in that: The fixing bracket (10) comprises a circular ring (101), one side of the circular ring (101) contacts the side surface of the second cylinder (91), and the other side of the circular ring (101) is fixedly connected with a hollow block (102), and the inner wall of the hollow block (102) contacts the surface of the bolt (13).

4. The radial cylindrical samarium cobalt magnet according to claim 1, characterized in that: The axis of the first cylinder (2) coincides with the axis of the rotating shaft (11), and the inner diameter of the first cylinder (2) is greater than the diameter of the rotating shaft (11).

5. The radial cylindrical samarium cobalt magnet according to claim 3, characterized in that: The axis of the circular ring (101) coincides with the axis of the rotating shaft (11), and the inner diameter of the circular ring (101) is equal to the inner diameter of the first cylinder (2).

6. The radial cylindrical samarium cobalt magnet according to claim 3, characterized in that: A third cylinder (17) is arranged on the side of the circular ring (101); second grooves (18) are provided on both upper and lower sides of the inner wall of the third cylinder (17); a metal spring (19) is fixedly connected to the inner wall of the second groove (18); the surface of the metal spring (19) and the inner wall of the second groove (18) are in contact with the surface of the bolt (13); a trapezoidal block (20) is fixedly connected to the side of the metal spring (19) away from the rotating shaft (11); a U-shaped column (21) is fixedly connected to the side of the circular ring (101); the inner wall of the U-shaped column (21) is in contact with the surface of the trapezoidal block (20).

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