CN218976435U - Cylinder permanent magnet rotor structure suitable for rectangular magnet assembly - Google Patents
Cylinder permanent magnet rotor structure suitable for rectangular magnet assembly Download PDFInfo
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- CN218976435U CN218976435U CN202223540645.3U CN202223540645U CN218976435U CN 218976435 U CN218976435 U CN 218976435U CN 202223540645 U CN202223540645 U CN 202223540645U CN 218976435 U CN218976435 U CN 218976435U
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Abstract
The utility model relates to the field of permanent magnet couplings, in particular to a cylinder type permanent magnet rotor structure suitable for rectangular magnet assembly, which comprises a steel cylinder and an aluminum cylinder; the aluminum cylinder and the steel cylinder are coaxially arranged, and the aluminum cylinder is arranged outside the steel cylinder; a plurality of magnet parts are arranged in the aluminum cylinder; the steel cylinder is connected with the aluminum cylinder through a connecting part; the utility model discloses a novel cylinder type permanent magnet rotor structure, which can realize the assembly and use of rectangular magnets; the cylinder type permanent magnet rotor structure mainly comprises a steel cylinder and an aluminum cylinder; the aluminum cylinder and the steel cylinder are coaxially arranged, and the aluminum cylinder is arranged outside the steel cylinder; a plurality of magnet parts are arranged in the aluminum cylinder; the main structure of the permanent magnet rotor structure is formed by matching an aluminum cylinder and a steel cylinder, the steel cylinder plays an internal supporting role, the aluminum cylinder is used for arranging a magnet part, and in addition, the steel cylinder is connected with the aluminum cylinder through a connecting part; the arrangement of the connecting part facilitates the fixed connection between the steel cylinder and the aluminum cylinder.
Description
Technical Field
The utility model relates to the field of permanent magnet couplers, in particular to a cylinder type permanent magnet rotor structure suitable for rectangular magnet assembly.
Background
The permanent magnetic transmission realizes non-contact torque transmission through interaction between a permanent magnetic field generated by a magnet and an induction magnetic field generated by a conductor cutting magnetic lines.
The permanent magnet transmission products are divided into disc type and drum type according to the installation mode of the magnet and the structure of the conductor disc.
The cylindrical permanent magnet transmission product has the advantages that as the magnet is arranged on the outer circle of the permanent magnet rotor and is acted by centrifugal force during high-speed rotation, the magnet has the risk of flying out, and therefore, the protection layer is designed outside the magnet, but the protection layer cannot be too thick, so that the phenomenon that the air gap is enlarged and the power density is influenced is avoided.
If the magnet is protected by a stainless steel ring, the manufacturing cost is high.
In addition, when the magnet is the rectangle, can't laminate with the interior circle of stainless steel ring, only two sidelines contact, contact stress is big, has cracked risk.
Therefore, in order to solve the above problems, an optimal design of the existing permanent magnet rotor structure is required.
Disclosure of Invention
The utility model aims to provide a cylinder type permanent magnet rotor structure suitable for rectangular magnet assembly.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
a cylinder type permanent magnet rotor structure suitable for rectangular magnet assembly comprises a steel cylinder and an aluminum cylinder; the aluminum cylinder and the steel cylinder are coaxially arranged, and the aluminum cylinder is arranged outside the steel cylinder; a plurality of magnet parts are arranged in the aluminum cylinder; the steel cylinder is connected with the aluminum cylinder through the connecting part.
Each magnet part is annularly distributed on the aluminum cylinder at intervals; each magnet part comprises a placing sink groove arranged on the aluminum cylinder; a magnet is arranged in the placing sink; the placing sink groove is a rectangular groove; the magnet is attached to the outer side face of the steel cylinder.
The steel cylinder comprises a cylinder body, a plurality of positioning parts are arranged on the outer side surface of the cylinder body, and the positioning parts are distributed on the cylinder body in an annular mode at intervals; each positioning part is correspondingly provided with a magnet part; each positioning part comprises a plane groove arranged on the cylinder body, and the plane grooves form a placing plane on the outer side surface of the cylinder body.
The width of the plane groove is not smaller than the maximum width of the magnet.
The steel cylinder is connected with the aluminum cylinder through a plurality of connecting parts; the connecting parts are symmetrically distributed on the steel cylinder and the aluminum cylinder.
Each connecting part comprises a connecting screw, an upper connecting hole arranged on the aluminum cylinder and a lower connecting hole arranged on the steel cylinder, wherein the upper connecting hole and the lower connecting hole are coaxially arranged; the connecting screw penetrates through the upper connecting hole on the aluminum cylinder to be connected with the lower connecting hole on the steel cylinder.
The upper connecting hole comprises a first connecting hole and a second connecting hole, and the first connecting hole is communicated with the lower connecting hole through the second connecting hole; the inner diameter of the first connecting hole is larger than that of the second connecting hole.
The utility model has the advantages that:
the utility model discloses a novel cylinder type permanent magnet rotor structure, which can realize the assembly and use of rectangular magnets; the cylinder type permanent magnet rotor structure mainly comprises a steel cylinder and an aluminum cylinder; the aluminum cylinder and the steel cylinder are coaxially arranged, and the aluminum cylinder is arranged outside the steel cylinder; a plurality of magnet parts are arranged in the aluminum cylinder; the main structure of the permanent magnet rotor structure is formed by matching an aluminum cylinder and a steel cylinder, the steel cylinder plays an internal supporting role, the aluminum cylinder is used for arranging a magnet part, and in addition, the steel cylinder is connected with the aluminum cylinder through a connecting part; the arrangement of the connecting part facilitates the fixed connection between the steel cylinder and the aluminum cylinder.
Drawings
The contents of the drawings and the marks in the drawings of the present specification are briefly described as follows:
fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a side view of the present utility model.
Fig. 3 is a schematic structural view of an aluminum cylinder according to the present utility model.
Fig. 4 is a schematic structural view of a steel cylinder according to the present utility model.
In the figure: 1. an aluminum cylinder; 2. a steel cylinder; 3. a magnet; 4. a screw; 11. rectangular grooves; 12. a countersunk hole; 21. a threaded hole; 22. a plane.
Detailed Description
The following detailed description of the utility model refers to the accompanying drawings, which illustrate preferred embodiments of the utility model in further detail.
A cylinder permanent magnet rotor structure suitable for assembling rectangular magnets 3 comprises a steel cylinder 2 and an aluminum cylinder 1; the aluminum cylinder 1 and the steel cylinder 2 are coaxially arranged, and the aluminum cylinder 1 is arranged outside the steel cylinder 2; a plurality of magnet 3 parts are arranged in the aluminum cylinder 1; the steel cylinder 2 is connected with the aluminum cylinder 1 through a connecting part; the utility model discloses a novel cylinder type permanent magnet rotor structure, which can realize the assembly and use of rectangular magnets 3; the cylinder type permanent magnet rotor structure mainly comprises a steel cylinder 2 and an aluminum cylinder 1; the aluminum cylinder 1 and the steel cylinder 2 are coaxially arranged, and the aluminum cylinder 1 is arranged outside the steel cylinder 2; a plurality of magnet 3 parts are arranged in the aluminum cylinder 1; the aluminum cylinder 1 and the steel cylinder 2 are matched to form a main body structure of a permanent magnet rotor structure, the steel cylinder 2 plays a role in internal support, the aluminum cylinder 1 is used for arranging a magnet 3 part, and in addition, the steel cylinder 2 is connected with the aluminum cylinder 1 through a connecting part in the utility model; the arrangement of the connecting part facilitates the fixed connection between the steel cylinder 2 and the aluminum cylinder 1.
In addition, in the utility model, the cylindrical permanent magnet rotor structure is a spliced structure, the aluminum cylinder 1 and the steel cylinder 2 are coaxially arranged, and the aluminum cylinder 1 is arranged outside the steel cylinder 2; a plurality of magnet 3 parts are arranged in the aluminum cylinder 1; the main structure of the permanent magnet rotor structure is formed by matching the aluminum cylinder 1 and the steel cylinder 2, so that the integral assembly of the subsequent cylinder type permanent magnet rotor structure is facilitated.
Further, in the present utility model, the magnet 3 parts are distributed on the aluminum cylinder 1 in a ring shape at intervals; such an arrangement ensures uniformity of magnetic field distribution, and in addition, in the present utility model, each of the magnet 3 parts includes a placement sink 11 provided on the aluminum cylinder 1; a magnet 3 is arranged in the placing sink 11; the placement of the placement sink 11 facilitates placement and arrangement of the magnet 3, and in addition, the placement sink 11 is a rectangular slot in the utility model; the magnet 3 is attached to the outer side face of the steel cylinder 2; the rectangular grooves are arranged to facilitate the arrangement and placement of the rectangular magnets 3, and the rectangular grooves are attached to three side surfaces of the rectangular magnets 3 to limit the three side surfaces of the rectangular magnets 3; the magnet 3 is attached to the outer side face of the steel cylinder 2, and then one side face is realized; through the design, four sides of the rectangular magnet 3 can be limited, and then stability of arrangement of the magnet 3 between the steel cylinder 2 and the aluminum cylinder 1 is better guaranteed.
Furthermore, in the utility model, the steel cylinder 2 comprises a cylinder body which plays a main body supporting role, and in addition, a plurality of positioning parts are arranged on the outer side surface of the cylinder body, and each positioning part is distributed on the cylinder body in a spacing annular shape; each positioning part corresponds to one magnet 3 part; the positioning parts are arranged to well support and limit, so that the magnet 3 is supported better, and specifically, each positioning part comprises a plane groove arranged on the cylinder body, and the plane groove forms a placement plane 22 on the outer side surface of the cylinder body; according to the utility model, the arrangement of the placement plane 22 enables the steel cylinder 2 to form surface contact with the magnet 3, so that the contact area between the magnet 3 and the steel cylinder 2 is better ensured, and the arrangement stability of the magnet 3 is ensured.
Further, in the present utility model, the width of the planar slot is not smaller than the maximum width of the magnet 3; by the arrangement, the effective contact area of the steel cylinder 2 and the magnet 3 can be ensured, so that the arrangement stability of the magnet 3 is better ensured, and in addition, the arrangement and placement of the magnet 3 can be facilitated when the subsequent steel cylinder 2 and the aluminum cylinder 1 are assembled through the design that the width of the placement plane 22 is larger.
Further, in the present utility model, the steel cylinder 2 and the aluminum cylinder 1 are connected through a plurality of connection parts; the connecting parts are symmetrically distributed on the steel cylinder 2 and the aluminum cylinder 1; the utility model facilitates the connection and fixation between the steel cylinder 2 and the aluminum cylinder 1 through the arrangement of a plurality of connecting parts, and the magnet 3 parts and the connecting parts are sequentially distributed at intervals during actual arrangement; by means of the arrangement, the uniformity of magnetic field distribution can be guaranteed, and meanwhile, the stability of connection between the steel cylinder 2 and the aluminum cylinder 1 can be guaranteed better.
Further, in the present utility model, each of the connection parts includes a connection screw 4, and an upper connection hole 12 provided on the aluminum cylinder 1 and a lower connection hole 21 provided on the steel cylinder 2, the upper connection hole 12 being coaxially arranged with the lower connection hole 21; the connecting screw 4 passes through the upper connecting hole 12 on the aluminum cylinder 1 and is connected with the lower connecting hole 21 on the steel cylinder 2; the utility model realizes the connection between the steel cylinder 2 and the aluminum cylinder 1 by simultaneously passing the connecting screw 4 through the upper connecting hole 12 and the lower connecting hole 21.
The upper connection hole 12 includes a first connection hole 121 and a second connection hole 122 in the present utility model, and the first connection hole 121 communicates with the lower connection hole 21 through the second connection hole 122; the inner diameter of the first connecting hole 121 is larger than that of the second connecting hole 122; according to the utility model, through the design, the upper connecting hole 12 is designed as a counter bore, and when the connecting screw 4 connects the steel cylinder 2 and the aluminum cylinder 1, the head of the connecting screw 4 can fall into the first connecting hole 121, so that the connecting screw 4 is prevented from being exposed.
Specifically, the method comprises the following steps;
the utility model discloses a manufacturing method of a cylinder type permanent magnet rotor, which comprises a steel cylinder, an aluminum cylinder coaxially arranged on the outer circle of the steel cylinder, a connecting screw for connecting the steel cylinder and the aluminum cylinder, and a magnet arranged in the aluminum cylinder outside the steel cylinder; the specific manufacturing process comprises the following steps: firstly, respectively processing the inner circle, the outer circle and the end face of a steel cylinder and an aluminum cylinder, wherein the outer circle of the steel cylinder and the inner circle of the aluminum cylinder are in tolerance fit, secondly, processing a plurality of planes for installing magnets at the outer circle of the steel cylinder and a plurality of lower connecting holes for installing screws, processing the countersunk upper connecting holes for installing the screws of the aluminum cylinder, linearly cutting rectangular grooves for installing the magnets, carrying out surface treatment on the steel cylinder and the aluminum cylinder, thirdly, installing the aluminum cylinder and the steel cylinder into a whole through screw connection, and fourthly, installing the magnets into the rectangular grooves from one end, thereby completing manufacturing.
It is obvious that the specific implementation of the present utility model is not limited by the above-mentioned modes, and that it is within the scope of protection of the present utility model only to adopt various insubstantial modifications made by the method conception and technical scheme of the present utility model.
Claims (7)
1. The cylinder type permanent magnet rotor structure suitable for rectangular magnet assembly is characterized by comprising a steel cylinder and an aluminum cylinder; the aluminum cylinder and the steel cylinder are coaxially arranged, and the aluminum cylinder is arranged outside the steel cylinder; a plurality of magnet parts are arranged in the aluminum cylinder; the steel cylinder is connected with the aluminum cylinder through the connecting part.
2. A cartridge type permanent magnet rotor structure adapted for rectangular magnet assembly according to claim 1, wherein each of said magnet portions is annularly arranged at intervals on the aluminum cartridge; each magnet part comprises a placing sink groove arranged on the aluminum cylinder; a magnet is arranged in the placing sink; the placing sink groove is a rectangular groove;
the magnet is attached to the outer side face of the steel cylinder.
3. A cartridge type permanent magnet rotor structure suitable for rectangular magnet assembly according to any one of claims 1-2, wherein the steel cartridge comprises a cartridge body, a plurality of positioning parts are arranged on the outer side surface of the cartridge body, and each positioning part is annularly distributed on the cartridge body at intervals; each positioning part is correspondingly provided with a magnet part; each positioning part comprises a plane groove arranged on the cylinder body, and the plane grooves form a placing plane on the outer side surface of the cylinder body.
4. A cartridge type permanent magnet rotor structure according to claim 3, wherein the width of the planar slot is not smaller than the maximum width of the magnet.
5. A cartridge type permanent magnet rotor structure adapted for rectangular magnet assembly according to claim 1, wherein the steel cylinder and the aluminum cylinder are connected by a plurality of connecting portions; the connecting parts are symmetrically distributed on the steel cylinder and the aluminum cylinder.
6. A cartridge type permanent magnet rotor structure according to claim 5, wherein each of the connection parts comprises a connection screw, and an upper connection hole provided on an aluminum cartridge and a lower connection hole provided on a steel cartridge, the upper connection hole and the lower connection hole being coaxially arranged; the connecting screw penetrates through the upper connecting hole on the aluminum cylinder to be connected with the lower connecting hole on the steel cylinder.
7. A cartridge type permanent magnet rotor structure adapted for rectangular magnet assembly according to claim 6, wherein; the upper connecting hole comprises a first connecting hole and a second connecting hole, and the first connecting hole is communicated with the lower connecting hole through the second connecting hole; the inner diameter of the first connecting hole is larger than that of the second connecting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223540645.3U CN218976435U (en) | 2022-12-29 | 2022-12-29 | Cylinder permanent magnet rotor structure suitable for rectangular magnet assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223540645.3U CN218976435U (en) | 2022-12-29 | 2022-12-29 | Cylinder permanent magnet rotor structure suitable for rectangular magnet assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218976435U true CN218976435U (en) | 2023-05-05 |
Family
ID=86166551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223540645.3U Active CN218976435U (en) | 2022-12-29 | 2022-12-29 | Cylinder permanent magnet rotor structure suitable for rectangular magnet assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218976435U (en) |
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2022
- 2022-12-29 CN CN202223540645.3U patent/CN218976435U/en active Active
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