Anti-skid magnetic ring based on combined positioning mechanism

Abstract

The utility model discloses an anti-slip magnetic ring based on a combined positioning mechanism, which comprises a rotating shaft, a key slot is arranged at one end of a shaft head of the rotating shaft, a notch groove is arranged on the outer surface of one end of the rotating shaft far away from the key slot, a first framework is arranged on the outer surface of the rotating shaft in a penetrating manner, and a reinforcing ring is arranged on the outer surface of the first framework in a penetrating manner. And the reinforcing ring and the first framework are concentrically designed. According to the anti-skid magnetic ring based on the combined positioning mechanism, the upper clamping piece and the lower clamping piece are inserted into the rotating shaft, the positions are adjusted, the outer surface of the upper clamping piece is attached to the notch groove, the first framework, the magnetic ring and the second framework are sequentially placed into the rotating shaft, then the second framework is rotated, the threaded piece is screwed into the upper clamping piece and the lower clamping piece, and the anti-skid magnetic ring is formed. The first framework and the magnetic ring can be pushed through screwing of the threaded part, the second framework, the first framework and the magnetic ring are fixed, axial sliding of the magnetic ring is prevented, and radial rotation is prevented through attachment of the upper clamping part and the notch groove.

Description

Technical Field

[0001] The utility model relates to the technical field of magnetic rings, in particular to an anti-slip magnetic ring based on a combined positioning mechanism. Background Art

[0002] The magnetic ring rotor is a rotating motor made of magnetic materials. It has the characteristics of simple structure, reliable operation, high speed and long life. It is widely used in power tools, household appliances, medical equipment and other fields. Its structure is simple, easy to maintain and manufacture, and its moment of inertia is very small and the response speed is fast. However, the traditional small coreless motor rotor generally adopts the method of placing the magnetic ring into the injection mold for injection molding and fixing it. During the injection molding process, the magnetic ring will inevitably heat up, and the magnetic material will inevitably produce demagnetization in a high temperature environment. Therefore, other methods are needed to fix the magnetic ring to extend the service life of the magnetic ring. Utility Model Content

[0003] The utility model aims to provide an anti-slip magnetic ring based on a combined positioning mechanism to solve the problem of high-temperature demagnetization of the magnetic ring fixed by the injection molding process proposed in the background art.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-slip magnetic ring based on a combined positioning mechanism, comprising a rotating shaft, a keyway is provided at one end of the rotating shaft head, and a notch groove is provided on the outer surface of the rotating shaft away from the keyway, and a first skeleton is installed through the outer surface of the rotating shaft, a reinforcement ring is installed through the outer surface of the first skeleton, and the reinforcement ring and the first skeleton are concentrically designed, and the first skeleton and the rotating shaft are concentrically designed, a magnetic ring is installed on the outer surface of the first skeleton close to the rotating shaft head, and the outer surface of the magnetic ring is in contact with the side surface of the first skeleton, and the inner side of the magnetic ring is in contact with the outer surface of the reinforcement ring, and the outer surface of the rotating shaft is provided with a combined positioning mechanism, and the combined positioning mechanism is used to prevent the displacement of the magnetic ring.

[0005] Preferably, the combined positioning mechanism includes: an upper clamping piece, which is arc-shaped, and the outer surface of the upper clamping piece fits with the outer surface of the notch groove, and the end of the upper clamping piece away from the rotating shaft is designed in an arc shape, the outer surface of the rotating shaft is provided with a lower clamping piece, and the outer surface of the lower clamping piece fits with the outer surface of the rotating shaft, and the end of the lower clamping piece away from the rotating shaft is designed in an arc shape, the upper clamping piece is inclined, the lower clamping piece is inclined, and the outer surfaces of the lower clamping piece and the upper clamping piece fit with the inner surface of the reinforcement ring, the outer surface of the rotating shaft is penetrated by a second frame, and a threaded piece is fixedly installed at the end of the second frame away from the first frame, and the threaded piece is threadedly connected to the upper clamping piece and the lower clamping piece.

[0006] By adopting the above technical solution, the threaded part is driven to rotate by rotating the second skeleton, so that the rotating second skeleton moves forward to push the magnetic ring, so that the magnetic ring is tightly fitted with the first skeleton. At the same time, the first skeleton is pushed forward, so that the inner surface of the reinforcement ring is tightly fitted with the outer surfaces of the upper clamping part and the lower clamping part. The magnetic ring is fixed by the rotation and tightening of the threaded part to prevent the magnetic ring from sliding on the rotating shaft. At the same time, the upper clamping part is fitted with the notch groove to prevent the magnetic ring from sliding during rotation.

[0007] Preferably, the side surface of the magnetic ring is in contact with the side surface of the second frame, and the second frame and the magnetic ring are concentrically designed, and the second frame and the threaded member are concentrically designed.

[0008] The above technical solution can prevent the rotating shaft from vibrating due to eccentricity during rotation.

[0009] Preferably, an anti-skid block is fixedly mounted on the outer surface of one end of the first skeleton close to the second skeleton, and the anti-skid block is arranged in an annular shape. An annular groove is formed on the side of the magnetic ring away from the second skeleton, and the annular groove engages with the anti-skid block.

[0010] By adopting the above technical solution, the magnetic ring can be fixed by the engagement of the anti-slip block with the annular groove, thereby preventing the magnetic ring from rotating between the first frame and the second frame.

[0011] Preferably, an elastic mechanism is provided on one side of the magnetic ring close to the second frame, so as to prevent the second frame from loosening.

[0012] By adopting the above technical solution, the second frame can be prevented from loosening after being tightened, thereby preventing automatic disintegration when the magnetic ring rotates.

[0013] Preferably, the elastic mechanism includes: a card slot, which is an annular portion with the center of the magnetic ring as the center, and the card slot is designed to be inclined, and an elastic card is fixedly provided on one side of the second skeleton close to the first skeleton, and the elastic card is engaged with the card slot.

[0014] By adopting the above technical solution, when the second skeleton rotates and approaches the magnetic ring, the elastic card will fit with the outer surface of the magnetic ring. During the tightening process, the elastic card will slide out of the slot through the inclined surface of the slot. When the threaded part rotates in the opposite direction, the elastic card will fit with the vertical surface of the slot to prevent the threaded part from rotating.

[0015] Preferably, a flexible connecting piece is fixedly installed on one end of the upper clamping piece and the lower clamping piece away from the second frame, and the upper clamping piece and the lower clamping piece pass through the reinforcement ring, and the inner surface of the reinforcement ring is designed to be inclined, and a limiting slider is fixedly installed on the inner surface of the reinforcement ring, and the side surface of the limiting slider fits with the outer surface of the rotating shaft.

[0016] By adopting the above technical solution, the upper clamping part and the lower clamping part can be connected together through a flexible connecting part, which is convenient for taking, and the upper clamping part and the lower clamping part will not be mixed together and difficult to distinguish. At the same time, after the upper clamping part and the lower clamping part are tightened, the side surface of the limit slider will fit with the outer surface of the upper clamping part and the lower clamping part to fix the first frame and prevent the first frame from rotating on the rotating shaft.

[0017] Compared with the prior art, the beneficial effects of the utility model are as follows: the anti-slip magnetic ring based on the combined positioning mechanism:

[0018] 1. Insert the upper clamping piece and the lower clamping piece into the rotating shaft and adjust the position so that the outer surface of the upper clamping piece fits with the notch groove. Place the first frame, the magnetic ring and the second frame into the rotating shaft in sequence. Then rotate the second frame to screw the threaded piece into the upper clamping piece and the lower clamping piece. The screwing in of the threaded piece will push the first frame and the magnetic ring, fix the second frame, the first frame and the magnetic ring, prevent the magnetic ring from sliding axially, and prevent radial rotation by fitting the upper clamping piece with the notch groove.

[0019] 2. During installation, insert the upper clamping piece and the lower clamping piece into the rotating shaft and adjust them to the position where you want to install the magnetic ring. Then, put the first frame in so that the limit slider is inserted into the gap between the upper clamping piece and the lower clamping piece. Then put the magnetic ring in so that the anti-slip block is engaged with the annular groove, so that the magnetic ring will not rotate between the first frame and the second frame after installation.

[0020] 3. When the second frame is rotated, the threaded part will be driven to rotate, and the rotation of the threaded part will drive the second frame to move forward, so that the elastic card gradually approaches the magnetic ring. When the magnetic ring contacts the elastic card, the side surface of the elastic card will fit with the inclined surface of the card slot, so that the elastic card can be rotated out. When the second frame rotates in the opposite direction, the elastic card will fit with the vertical surface of the card slot to prevent the second frame from rotating in the opposite direction, thereby preventing the second frame from loosening and causing the magnetic ring to automatically disintegrate when it rotates. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0022] Figure 2 This is a side view structural diagram of the first frame and the flexible connecting member of the utility model;

[0023] Figure 3 This is a schematic diagram of the side view structure of the magnetic ring and the annular groove of the utility model;

[0024] Figure 4 This is a side view structural diagram of the anti-skid block and the reinforcement ring of the utility model;

[0025] Figure 5This is a schematic diagram of the side view structure of the magnetic ring and the slot of the utility model;

[0026] Figure 6 It is a three-dimensional cross-sectional structural schematic diagram of the first frame, the magnetic ring and the second frame of the utility model.

[0027] In the figure: 1, rotating shaft; 2, notched groove; 3, upper clamping piece; 4, lower clamping piece; 5, first frame; 6, anti-slip block; 7, magnetic ring; 8, annular groove; 9, clamping groove; 10, second frame; 11, elastic card; 12, threaded part; 13, reinforcement ring; 14, limit slider; 15, flexible connector. DETAILED DESCRIPTION

[0028] 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.

[0029] See also Figure 1-6 The utility model provides a technical solution: an anti-slip magnetic ring based on a combined positioning mechanism, comprising a rotating shaft 1, a keyway is provided at one end of the shaft head of the rotating shaft 1, and a notch groove 2 is provided on the outer surface of the end of the rotating shaft 1 away from the keyway, and a first skeleton 5 is installed through the outer surface of the rotating shaft 1.

[0030] The installation position of the magnetic ring 7 on the rotating shaft 1 can be adjusted through the notch groove 2.

[0031] A reinforcing ring 13 is installed through the outer surface of the first skeleton 5, and the reinforcing ring 13 is designed to be concentric with the first skeleton 5, and the first skeleton 5 is designed to be concentric with the rotating shaft 1. A magnetic ring 7 is installed on the outer surface of the first skeleton 5 close to the shaft head of the rotating shaft 1, and the outer surface of the magnetic ring 7 is in contact with the side surface of the first skeleton 5, and the inner side of the magnetic ring 7 is in contact with the outer surface of the reinforcing ring 13. A combined positioning mechanism is provided on the outer surface of the rotating shaft 1 to prevent the displacement of the magnetic ring 7. The combined positioning mechanism includes: an upper clamping member 3, the upper clamping member 3 is in an arc shape, and the outer surface of the upper clamping member 3 is in contact with the outer surface of the notch groove 2. The upper clamping member 3 is fitted with the end of the shaft 1, and the end of the lower clamping member 4 is fitted with the outer surface of the shaft 1, and the end of the lower clamping member 4 away from the shaft 1 is in an arc shape, the upper clamping member 3 is inclined, the lower clamping member 4 is inclined, and the outer surfaces of the lower clamping member 4 and the upper clamping member 3 are fitted with the inner surface of the reinforcement ring 13, the outer surface of the shaft 1 is penetrated by a second frame 10, and the end of the second frame 10 away from the first frame 5 is fixedly installed with a threaded member 12, and the threaded member 12 is threadedly connected to the upper clamping member 3 and the lower clamping member 4.

[0032] During installation, the upper clamping member 3 and the lower clamping member 4 are inserted into the rotating shaft 1, adjusted to the position where the magnetic ring 7 needs to be installed, and the side surface of the upper clamping member 3 is fitted with the notch groove 2. Then, the first skeleton 5 is placed into the rotating shaft 1, and then the magnetic ring 7 and the second skeleton 10 are placed. Then, the second skeleton 10 is rotated to make the second skeleton 10 drive the threaded member 12 to rotate, and the second skeleton 10 is driven forward by the rotation of the threaded member 12, and the magnetic ring 7 is clamped in cooperation with the first skeleton 5. At the same time, along with the tightening of the second skeleton 10, the upper clamping member 3 and the lower clamping member 4 are fixed to the outer surface of the rotating shaft 1, and the magnetic ring 7 is fixed on the rotating shaft 1 to prevent the magnetic ring 7 from axial sliding. At the same time, the upper clamping member 3 and the notch groove 2 are fitted to prevent the magnetic ring 7 from radial rotation.

[0033] The side surface of the magnetic ring 7 fits with the side surface of the second skeleton 10, and the second skeleton 10 and the magnetic ring 7 are concentrically designed, and the second skeleton 10 and the threaded member 12 are concentrically designed, and an anti-slip block 6 is fixedly installed on the outer surface of one end of the first skeleton 5 close to the second skeleton 10, and the anti-slip block 6 is arranged in a ring shape, and an annular groove 8 is opened on the side of the magnetic ring 7 away from the second skeleton 10, and the annular groove 8 is engaged with the anti-slip block 6.

[0034] The magnetic ring 7 fits the first frame 5 so that the annular groove 8 is engaged with the anti-slip block 6 to prevent the magnetic ring 7 from rotating between the first frame 5 and the second frame 10 when the magnetic ring as a whole rotates.

[0035] An elastic mechanism is provided on the side of the magnetic ring 7 close to the second frame 10 to prevent the second frame 10 from loosening. The elastic mechanism includes: a slot 9, which is a ring-shaped portion with the center of the magnetic ring 7 as the center, and the slot 9 is designed to be inclined. An elastic card 11 is fixedly provided on the side of the second frame 10 close to the first frame 5, and the elastic card 11 is engaged with the slot 9.

[0036] The rotation of the second skeleton 10 will push the second skeleton 10 toward the magnetic ring 7. As the second skeleton 10 approaches, the elastic card 11 will fit with the inclined surface of the card slot 9. As the second skeleton 10 rotates, the elastic card 11 will slide out along the inclined surface of the card slot 9. When the second skeleton 10 reverses, the elastic card 11 will engage with the vertical surface of the card slot 9 to prevent the second skeleton 10 from reversing and preventing the second skeleton 10 from loosening itself, causing the overall disintegration of the magnetic ring during operation.

[0037] A flexible connector 15 is fixedly mounted on one end of the upper clamping member 3 and the lower clamping member 4 away from the second frame 10 , and the upper clamping member 3 and the lower clamping member 4 pass through the reinforcement ring 13 , and the inner surface of the reinforcement ring 13 is designed to be inclined.

[0038] The upper clamping member 3 is connected to the lower clamping member 4 through the flexible connecting member 15, which saves the time of pairing the upper clamping member 3 with the lower clamping member 4 and facilitates the installation of the upper clamping member 3 and the lower clamping member 4.

[0039] A limiting slider 14 is fixedly mounted on the inner surface of the reinforcement ring 13 , and a side surface of the limiting slider 14 is in contact with the outer surface of the rotating shaft 1 .

[0040] When the second frame 10 is tightened, the outer surfaces of the upper clamping member 3 and the lower clamping member 4 will fit with the inner surface of the reinforcement ring 13, and at the same time, the side surfaces of the upper clamping member 3 and the lower clamping member 4 will fit with the side surface of the limiting slider 14 to prevent the first frame 5 from rotating on the rotating shaft 1.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A non-slip magnetic ring based on a combined positioning mechanism, comprising a rotating shaft (1), a keyway being provided at one end of the shaft head of the rotating shaft (1), and a notch groove (2) being provided on the outer surface of the end of the rotating shaft (1) away from the keyway, and a first frame (5) being installed through the outer surface of the rotating shaft (1), a reinforcing ring (13) being installed through the outer surface of the first frame (5), and the reinforcing ring (13) and the first frame (5) being designed concentrically, and the first frame (5) and the rotating shaft (1) being designed concentrically, and a magnetic ring (7) being installed on the outer surface of the first frame (5) close to the shaft head of the rotating shaft (1), and the outer surface of the magnetic ring (7) being in contact with the side surface of the first frame (5), and the inner side of the magnetic ring (7) being in contact with the outer surface of the reinforcing ring (13), characterized in that: The outer surface of the rotating shaft (1) is provided with a combined positioning mechanism, and the combined positioning mechanism is used to prevent the magnetic ring (7) from being displaced.

2. The anti-slip magnetic ring based on the combined positioning mechanism according to claim 1, characterized in that: The combined positioning mechanism comprises: an upper clamping member (3) which is in an arc shape, and the outer surface of the upper clamping member (3) is in contact with the outer surface of the notch groove (2), and the end of the upper clamping member (3) away from the rotating shaft (1) is in an arc shape; the outer surface of the rotating shaft (1) is provided with a lower clamping member (4), and the outer surface of the lower clamping member (4) is in contact with the outer surface of the rotating shaft (1), and the end of the lower clamping member (4) away from the rotating shaft (1) is in an arc shape. The upper clamping member (3) is designed to be inclined, the lower clamping member (4) is designed to be inclined, and the outer surfaces of the lower clamping member (4) and the upper clamping member (3) are in contact with the inner surface of the reinforcing ring (13), the outer surface of the rotating shaft (1) is penetrated by a second frame (10), and a threaded member (12) is fixedly installed at one end of the second frame (10) away from the first frame (5), and the threaded member (12) is threadedly connected to the upper clamping member (3) and the lower clamping member (4).

3. The anti-slip magnetic ring based on the combined positioning mechanism according to claim 1, characterized in that: The side surface of the magnetic ring (7) fits with the side surface of the second frame (10), and the second frame (10) and the magnetic ring (7) are designed to be concentric, and the second frame (10) and the threaded member (12) are designed to be concentric.

4. The anti-slip magnetic ring based on the combined positioning mechanism according to claim 1, characterized in that: An anti-skid block (6) is fixedly mounted on the outer surface of one end of the first frame (5) close to the second frame (10), and the anti-skid block (6) is arranged in a ring shape. An annular groove (8) is provided on the side of the magnetic ring (7) away from the second frame (10), and the annular groove (8) is engaged with the anti-skid block (6).

5. The anti-slip magnetic ring based on the combined positioning mechanism according to claim 1, characterized in that: An elastic mechanism is provided on one side of the magnetic ring (7) close to the second frame (10), and the elastic mechanism is used to prevent the second frame (10) from loosening.

6. The anti-slip magnetic ring based on the combined positioning mechanism according to claim 5, characterized in that: The elastic mechanism comprises: a card slot (9), the card slot (9) is an annular portion with the center of the magnetic ring (7) as the center of the circle, and the card slot (9) is designed to be inclined, and an elastic card (11) is fixedly arranged on one side of the second frame (10) close to the first frame (5), and the elastic card (11) is engaged with the card slot (9).

7. The anti-slip magnetic ring based on the combined positioning mechanism according to claim 2, characterized in that: A flexible connecting member (15) is fixedly installed on one end of the upper clamping member (3) and the lower clamping member (4) away from the second frame (10), and the upper clamping member (3) and the lower clamping member (4) pass through the reinforcement ring (13), and the inner surface of the reinforcement ring (13) is designed to be inclined. A limiting slider (14) is fixedly installed on the inner surface of the reinforcement ring (13), and the side surface of the limiting slider (14) is in contact with the outer surface of the rotating shaft (1).

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