Plastic magnetic rotor shaft core structure

Abstract

The utility model discloses a plastic magnetic rotor shaft core structure which comprises an outer magnetic ring, a lower fixing ring seat is installed on one side of the outer magnetic ring, an upper fixing ring seat is installed on the other side of the outer magnetic ring, an inner magnetic ring is connected to one side of the upper fixing ring seat, a movable groove is formed in the outer portion of the inner magnetic ring, and the movable groove is connected with the lower fixing ring seat. A telescopic spring is installed in the movable groove, one side of the telescopic spring is connected with a telescopic jacking column, and a fixed inserting groove is formed in the outer portion of the outer magnetic ring. According to the utility model, through the arrangement of the separable magnetic ring structure, the telescopic support pillar outside the inner magnetic ring is rebounded through the telescopic spring during use, then the inner magnetic ring is plugged into the outer magnetic ring, and after the inner magnetic ring penetrates through the inner part of the outer magnetic ring, the telescopic support pillar outside the inner magnetic ring is popped out from the inner part of the movable groove through the telescopic spring; and the telescopic jacking columns are clamped with the fixing slots formed in the outer part of the outer magnetic ring, so that the outer magnetic ring and the inner magnetic ring are fixedly connected together, and the function of the separable magnetic ring is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of shaft core structures, in particular to a plastic magnetic rotor shaft core structure. Background Art

[0002] The rotor is a rotating body supported by bearings and is generally used in motors. The rotor of a motor is generally composed of an iron core with coils wound around it, slip rings, fan blades, etc. The plastic magnetic rotor is a new type of motor rotor material, which is composed of plastic material and rare earth magnet material. Compared with traditional iron core copper wire motors, the plastic magnetic rotor has the advantages of light weight, energy saving and environmental protection.

[0003] When in use, there is a magnetic ring outside the core of the plastic magnetic rotor. Once the core inside is damaged, the magnetic ring needs to be destroyed to enter the core, which will cause irreversible damage to the rotor. Therefore, we propose a plastic magnetic rotor core structure to improve the above problem. Utility Model Content

[0004] The purpose of the utility model is to provide a plastic magnetic rotor shaft core structure to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a plastic magnetic rotor shaft core structure, comprising an outer magnetic ring, a lower fixed ring seat is installed on one side of the outer magnetic ring, an upper fixed ring seat is installed on the other side of the outer magnetic ring, an inner magnetic ring is connected to one side of the upper fixed ring seat, a movable groove is opened on the outside of the inner magnetic ring, a telescopic spring is installed inside the movable groove, a telescopic top column is connected to one side of the telescopic spring, and a fixed slot is opened on the outside of the outer magnetic ring.

[0006] Preferably, the telescopic top column is connected to the inner magnetic ring via a telescopic spring and a movable groove, the telescopic top column is telescoped inside the movable groove via the telescopic spring, and the movable grooves are arranged outside the inner magnetic ring at equal intervals.

[0007] Preferably, the fixed slots are arranged at equal intervals outside the outer magnetic ring, the inner magnetic ring is engaged with the outer magnetic ring, and the inner magnetic ring is connected to the outer magnetic ring by penetrating the fixed slots outside the outer magnetic ring through a telescopic top column.

[0008] Preferably, a tooth block slot is provided inside the inner magnetic ring, a rotating shaft column is inserted inside the tooth block slot, and a clamping tooth block is installed outside the rotating shaft column.

[0009] Preferably, the shaft column passes through the interior of the inner magnetic ring, the tooth block slot is opened inside the inner magnetic ring, and the tooth block on the outside of the shaft column is engaged with the tooth block slot to be connected to the inner magnetic ring.

[0010] Preferably, an extension column is inserted into one side of the rotating shaft column, one side of the extension column is connected to a threaded connection column, one side of the threaded connection column is provided with a threaded ring groove on the outside, a connecting block is provided on the other side of the threaded connection column, a positioning screw is inserted into the interior of the extension column, and a limiting column is inserted at the front end of the extension column.

[0011] Preferably, the threaded ring groove is arranged on an outer wall of one side of the threaded connecting column, the shaft column is connected to the threaded connecting column through an extension column, and the threaded connecting column is connected to the extension column through a connecting plug that passes through one side of the extension column.

[0012] Preferably, the positioning screw passes through the interior of the extension column and the connecting plug block, and the limiting column passes through the front end of the extension column and contacts with the positioning screw.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the plastic magnetic rotor shaft core structure not only realizes the function of the detachable magnetic ring and the anti-slip wire, but also realizes the shaft extension function;

[0014] (1) By setting up a detachable magnetic ring structure, the utility model has the following advantages: when in use, the telescopic top column outside the inner magnetic ring is rebounded by the telescopic spring, and then the inner magnetic ring is inserted into the inner part of the outer magnetic ring. After the inner magnetic ring passes through the inner part of the outer magnetic ring, the telescopic top column outside the inner magnetic ring is ejected from the inside of the movable groove by the telescopic spring, and the telescopic top column is engaged with the fixed slot provided on the outside of the outer magnetic ring, so that the outer magnetic ring and the inner magnetic ring are fixedly connected together, thereby realizing the function of the detachable magnetic ring and protecting the rotor shaft core;

[0015] (2) By providing an anti-slip wire structure, the utility model has the following advantages: when in use, the shaft column is inserted into the inner magnetic ring from one side of the inner magnetic ring, the engaging tooth block outside the shaft column is engaged with the tooth block slot provided inside the inner magnetic ring, the shaft column is installed inside the inner magnetic ring, and the inner magnetic ring and the shaft column are driven to rotate together by the rotation of the rotor shaft core, thereby realizing the anti-slip wire function;

[0016] (3) By providing a shaft extension structure, the utility model is beneficial in that: when in use, the connecting block on one side of the threaded connecting column is inserted into one side of the extension column, and then the positioning screw is passed through the extension column and the connecting block inside the extension column. The positioning screw is fixed by inserting a limiting column into one end of the extension column to contact the positioning screw, and then the other side of the extension column is connected to one side of the rotating shaft column by the same method, thereby realizing the shaft extension function. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a front view structural schematic diagram of the utility model;

[0018] Figure 2It is a rear cross-sectional structural schematic diagram of the detachable magnetic ring structure of the utility model;

[0019] Figure 3 The utility model is a detachable magnetic ring structure Figure 1 A schematic diagram of the enlarged cross-section structure at the middle A;

[0020] Figure 4 It is a side view structural schematic diagram of the anti-slip wire structure of the utility model;

[0021] Figure 5 It is a schematic diagram of the cross-sectional structure of the shaft extension structure of the utility model.

[0022] In the figure: 1. shaft column; 2. lower fixed ring seat; 3. outer magnetic ring; 4. fixed slot; 5. upper fixed ring seat; 6. threaded connection column; 7. threaded ring groove; 8. inner magnetic ring; 9. telescopic top column; 10. telescopic spring; 11. movable slot; 12. snap-on tooth block; 13. tooth block slot; 14. extension column; 15. connecting plug block; 16. positioning screw; 17. limit column. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Example 1: Please refer to Figure 1-5 A plastic magnetic rotor shaft core structure, comprising an outer magnetic ring 3, a lower fixed ring seat 2 is installed on one side of the outer magnetic ring 3, an upper fixed ring seat 5 is installed on the other side of the outer magnetic ring 3, an inner magnetic ring 8 is connected to one side of the upper fixed ring seat 5, an active groove 11 is opened on the outside of the inner magnetic ring 8, a telescopic spring 10 is installed inside the active groove 11, a telescopic top column 9 is connected to one side of the telescopic spring 10, and a fixed slot 4 is opened on the outside of the outer magnetic ring 3;

[0025] The telescopic top column 9 is connected to the inner magnetic ring 8 through the telescopic spring 10 and the movable groove 11. The telescopic top column 9 is telescoped inside the movable groove 11 through the telescopic spring 10. The movable grooves 11 are evenly spaced outside the inner magnetic ring 8. The fixed slots 4 are evenly spaced outside the outer magnetic ring 3. The inner magnetic ring 8 is engaged with the outer magnetic ring 3. The inner magnetic ring 8 passes through the fixed slots 4 outside the outer magnetic ring 3 through the telescopic top column 9 and is connected to the outer magnetic ring 3.

[0026] Specifically, Figure 1 , Figure 2 and Figure 3As shown, by setting a detachable magnetic ring structure, when in use, the telescopic top column 9 outside the inner magnetic ring 8 is rebounded by the telescopic spring 10, and then the inner magnetic ring 8 is inserted into the inner part of the outer magnetic ring 3. After the inner magnetic ring 8 passes through the inner part of the outer magnetic ring 3, the telescopic top column 9 outside the inner magnetic ring 8 is popped out from the inside of the movable groove 11 by the telescopic spring 10, and the telescopic top column 9 is clamped with the fixed slot 4 opened on the outside of the outer magnetic ring 3, so that the outer magnetic ring 3 and the inner magnetic ring 8 are fixedly connected together, thereby realizing the function of the detachable magnetic ring.

[0027] Embodiment 2: A tooth block slot 13 is provided inside the inner magnetic ring 8, a rotating shaft column 1 is inserted inside the tooth block slot 13, and a clamping tooth block 12 is installed outside the rotating shaft column 1;

[0028] The shaft column 1 passes through the inner magnetic ring 8, the tooth block slot 13 is opened inside the inner magnetic ring 8, and the outer part of the shaft column 1 is clamped with the tooth block 12 and the tooth block slot 13 to be connected with the inner magnetic ring 8;

[0029] Specifically, Figure 1 and Figure 4 As shown, by setting the anti-slip wire structure, when in use, the shaft column 1 is inserted into the inner magnetic ring 8 from one side of the inner magnetic ring 8, and the engaging tooth block 12 outside the shaft column 1 is engaged with the tooth block slot 13 opened inside the inner magnetic ring 8, so that the shaft column 1 is installed inside the inner magnetic ring 8, and the inner magnetic ring 8 and the shaft column 1 are driven to rotate together by the rotation of the rotor shaft core, thereby realizing the anti-slip wire function.

[0030] Embodiment 3: An extension column 14 is inserted into one side of the shaft column 1, and a threaded connection column 6 is connected to one side of the extension column 14. A threaded ring groove 7 is provided on the outside of one side of the threaded connection column 6, and a connecting plug 15 is provided on the other side of the threaded connection column 6. A positioning screw 16 is inserted into the extension column 14, and a limit column 17 is inserted into the front end of the extension column 14;

[0031] The threaded ring groove 7 is arranged on the outer wall of one side of the threaded connection column 6. The shaft column 1 is connected to the threaded connection column 6 through the extension column 14. The threaded connection column 6 is connected to the extension column 14 through the connection plug 15 which penetrates one side of the extension column 14. The positioning screw 16 penetrates the extension column 14 and the interior of the connection plug 15. The limiting column 17 penetrates the front end of the extension column 14 and contacts the positioning screw 16.

[0032] Specifically, Figure 1 and Figure 5As shown, by setting up a shaft extension structure, when in use, the connecting block 15 on one side of the threaded connecting column 6 is inserted into one side of the extension column 14, and then the positioning screw 16 passes through the extension column 14 and the connecting block 15 inside the extension column 14. The positioning screw 16 is fixed by inserting the limiting column 17 into one end of the extension column 14 to contact the positioning screw 16, and then the other side of the extension column 14 is connected to one side of the rotating shaft column 1 by the same method, thereby realizing the shaft extension function.

[0033] Working principle: The utility model inserts the shaft column 1 from one side of the inner magnetic ring 8 into the inner magnetic ring 8 and passes through the upper fixed ring seat 5 on the other side of the inner magnetic ring 8, so that the clamping tooth block 12 outside the shaft column 1 is clamped with the tooth block slot 13 inside the inner magnetic ring 8, and then the telescopic top column 9 outside the inner magnetic ring 8 is retracted, and the inner magnetic ring 8 is inserted into the inner part of the outer magnetic ring 3, and the telescopic top column 9 outside the inner magnetic ring 8 is popped out from the inside of the movable groove 11 through the telescopic spring 10, so that the telescopic top column 9 outside the inner magnetic ring 8 is clamped with the fixed ring seat 5 outside the outer magnetic ring 3. The fixed slot 4 is snapped in place to expose the shaft column 1 from the lower fixed ring seat 2 on one side of the outer magnetic ring 3, and finally the connecting block 15 on one side of the threaded connecting column 6 is inserted into one side of the extension column 14. Then, the positioning screw 16 passes through the extension column 14 and the connecting block 15 inside the extension column 14, and then the limiting column 17 is inserted into one end of the extension column 14 to contact the positioning screw 16 to fix the positioning screw 16. Then, the other side of the extension column 14 is connected to one side of the shaft column 1 in the same way to extend one side of the shaft column 1.

[0034] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A plastic magnetic rotor shaft core structure, comprising an outer magnetic ring (3), characterized in that: A lower fixed ring seat (2) is installed on one side of the outer magnetic ring (3), an upper fixed ring seat (5) is installed on the other side of the outer magnetic ring (3), one side of the upper fixed ring seat (5) is connected to an inner magnetic ring (8), a movable groove (11) is provided on the outside of the inner magnetic ring (8), a telescopic spring (10) is installed inside the movable groove (11), one side of the telescopic spring (10) is connected to a telescopic top column (9), and a fixed slot (4) is provided on the outside of the outer magnetic ring (3).

2. The plastic magnetic rotor shaft core structure according to claim 1, characterized in that: The telescopic top column (9) is connected to the inner magnetic ring (8) via a telescopic spring (10) and a movable groove (11); the telescopic top column (9) is telescoped inside the movable groove (11) via the telescopic spring (10); and the movable grooves (11) are arranged outside the inner magnetic ring (8) at equal intervals.

3. The plastic magnetic rotor shaft core structure according to claim 1, characterized in that: The fixed slots (4) are arranged at equal intervals outside the outer magnetic ring (3), the inner magnetic ring (8) is engaged with the outer magnetic ring (3), and the inner magnetic ring (8) is connected to the outer magnetic ring (3) by penetrating the fixed slots (4) outside the outer magnetic ring (3) via a telescopic top column (9).

4. The plastic magnetic rotor shaft core structure according to claim 1, characterized in that: A tooth block slot (13) is provided inside the inner magnetic ring (8), a rotating shaft column (1) is inserted inside the tooth block slot (13), and a clamping tooth block (12) is installed outside the rotating shaft column (1).

5. The plastic magnetic rotor shaft core structure according to claim 4, characterized in that: The rotating shaft column (1) passes through the interior of the inner magnetic ring (8), the tooth block slot (13) is arranged inside the inner magnetic ring (8), and the tooth block (12) on the outside of the rotating shaft column (1) is engaged with the tooth block slot (13) to be connected to the inner magnetic ring (8).

6. The plastic magnetic rotor shaft core structure according to claim 4, characterized in that: An extension column (14) is inserted on one side of the rotating shaft column (1), and a threaded connection column (6) is connected to one side of the extension column (14). A threaded ring groove (7) is arranged on the outside of one side of the threaded connection column (6), and a connecting block (15) is arranged on the other side of the threaded connection column (6). A positioning screw (16) is inserted inside the extension column (14), and a limiting column (17) is inserted at the front end of the extension column (14).

7. The plastic magnetic rotor shaft core structure according to claim 6, characterized in that: The threaded ring groove (7) is arranged on an outer wall of one side of the threaded connection column (6); the rotating shaft column (1) is connected to the threaded connection column (6) via an extension column (14); and the threaded connection column (6) is connected to the extension column (14) via a connecting plug (15) that penetrates one side of the extension column (14).

8. The plastic magnetic rotor shaft core structure according to claim 6, characterized in that: The positioning screw (16) passes through the interior of the extension column (14) and the connecting plug block (15), and the limiting column (17) passes through the front end of the extension column (14) and contacts the positioning screw (16).

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