Plastic magnetic rotor with protection structure

Abstract

The utility model discloses a plastic magnetic rotor with a protection structure, which comprises a rotating shaft main body, one side of the rotating shaft main body is fixedly provided with a connecting rod, the other side of a telescopic block is connected with a protection ring, the protection ring is internally provided with a caulking groove, and a ball is embedded in the caulking groove. The installation block is installed on the side edge of the plastic magnetic sleeve, then the telescopic rod is installed in the installation block, adjustment connection between the telescopic rod and the telescopic block is completed through the telescopic rod, and therefore the telescopic rod can drive the telescopic block to stretch out and draw back after working, excessive extension is reduced through the arrangement of the first check block and the second check block, and the service life of the telescopic rod is prolonged. The position of the protection ring outside the rotating shaft body can be changed through stretching and retracting of the telescopic blocks, meanwhile, the caulking grooves are evenly distributed in the protection ring, the balls are embedded in the caulking grooves, certain guiding protection can be provided when the rotating shaft body works, meanwhile, the problem of contact abrasion is solved, and the service life of the rotating shaft is prolonged. Therefore, the overall protection capability is well improved in the working process.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic magnetic rotors, in particular to a plastic magnetic rotor with a protective structure. Background Art

[0002] Plastic magnetic rotor is a composite material made by mixing permanent magnetic powder and nylon polymer compounds at high temperature. It is a plastic magnetic product manufactured by injection molding using an injection molding machine. Therefore, the plastic magnetic rotor is composed of plastic material and rare earth magnet material. Compared with traditional iron core copper wire motors, plastic magnetic rotors have the advantages of light weight, energy saving and environmental protection, so they are also widely used by people.

[0003] When the plastic magnetic rotor is used in a motor, the rotation of the shaft is used to cooperate with the motor to provide normal operation. When rotating, if there is a large contact with the contact surface, it is easy to cause large wear, which can directly cause unnecessary damage to the plastic magnetic rotor and other parts, affecting the overall service life. Utility Model Content

[0004] The purpose of the utility model is to provide a plastic magnetic rotor with a protective structure to solve the problem proposed in the above background technology that when the plastic magnetic rotor is used in a motor, the rotation of the rotating shaft and other cooperation works are utilized to provide normal operation of the motor. However, when rotating, if there is a large contact with the contact surface, large wear is likely to occur, which is likely to directly cause unnecessary damage to the plastic magnetic rotor and other parts, thereby affecting the overall service life.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a plastic magnetic rotor with a protective structure, comprising a rotating shaft body, a connecting rod is fixed on one side of the rotating shaft body, a plastic magnetic sleeve is installed on the outer wall of the rotating shaft body, a mounting block is installed on one side of the plastic magnetic sleeve, a second stopper is installed on the top and bottom ends of one side of the inner wall of the mounting block, a telescopic rod is installed inside the mounting block, a telescopic block is connected to one side of the telescopic rod, a first stopper is installed on the top and bottom ends of one side of the telescopic block, a protective ring is connected to the other side of the telescopic block, an embedding groove is opened inside the protective ring, and a ball is embedded inside the embedding groove.

[0006] Preferably, the first stop blocks are symmetrically distributed about the horizontal center axis of the retractable block, and the second stop blocks are symmetrically distributed about the horizontal center axis of the mounting block.

[0007] Preferably, two groups of telescopic rods are installed inside the mounting block, and the mounting block is symmetrically distributed about the central axis of the plastic magnetic sleeve.

[0008] Preferably, the embedding groove is distributed in a ring shape about the center of the protective ring, and the inner diameter of the embedding groove is larger than the outer diameter of the ball.

[0009] Preferably, the outer side wall of the plastic magnetic sleeve is coated with a wear-resistant layer, and a mounting ring is installed on one side of the plastic magnetic sleeve.

[0010] Preferably, mounting plates are mounted on both ends of the mounting ring, and the mounting ring is divided into two half rings about the middle position.

[0011] Preferably, the mounting plates are symmetrically distributed about the central axis of the mounting ring, both ends of the inner wall of the mounting ring are provided with retaining springs, one end of the retaining spring is provided with a protective plate, and one end of the protective plate is bonded with a protective pad.

[0012] Preferably, the retaining springs are evenly distributed at one end of the protective plate, and an adhesive connection is formed between the protective plate and the protective pad.

[0013] Compared with the prior art, the beneficial effects of the utility model are: the plastic magnetic rotor with the protective structure not only improves the protective capability of the plastic magnetic rotor, but also improves the tail installation capability and wear resistance of the plastic magnetic rotor;

[0014] (1) By installing the mounting block on the side of the plastic magnetic sleeve, and then installing the telescopic rod inside the mounting block, the telescopic rod is used to complete the adjustment connection between the telescopic rod and the telescopic block, so that the telescopic block can be driven to extend and retract after the telescopic rod works, and the setting of the first stop block and the second stop block can play the purpose of blocking and reduce excessive extension. The extension and retraction of the telescopic block can change the position of the protective ring outside the rotating shaft body. At the same time, the embedded grooves are evenly distributed inside the protective ring, and the balls are embedded inside the embedded grooves, which can provide certain guiding protection when the rotating shaft body works, and reduce the problem of contact wear, thereby better improving the overall protection ability during the working process;

[0015] (2) By installing the mounting ring on the side of the plastic magnetic sleeve, and the mounting ring is composed of two half rings, the two half rings are installed on the outside of the tail end of the rotating shaft body, and the protective plate and the retaining spring are used for contact buffer protection during contact. At the same time, the protective pad reduces contact wear. Finally, the two half rings are connected and installed with a mounting plate, which improves the convenience of protective installation at the tail position;

[0016] (3) By installing the plastic magnetic sleeve on the outside of the rotating shaft body and coating the wear-resistant layer on the outside of the plastic magnetic sleeve, a certain wear-resistant protection can be provided during the operation. Similarly, the wear-resistant layer can be coated on the inner wall of the gap of the plastic magnetic sleeve for wear-resistant protection, thereby reducing the wear problem during the operation and increasing the service life during the operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the front cross-sectional structure of the mounting block of the utility model;

[0019] Figure 3 It is a schematic diagram of the side cross-sectional structure of the protection ring of the utility model;

[0020] Figure 4 It is a schematic diagram of the side structure of the mounting ring of the utility model.

[0021] In the figure: 1. shaft body; 2. plastic magnetic sleeve; 3. wear-resistant layer; 4. mounting ring; 5. mounting block; 6. protective ring; 7. connecting rod; 8. first stopper; 9. telescopic block; 10. second stopper; 11. telescopic rod; 12. embedded groove; 13. ball; 14. retaining spring; 15. mounting sheet; 16. protective plate; 17. protective pad. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figure 1-4 The utility model provides an embodiment: a plastic magnetic rotor with a protective structure, including a shaft body 1, a connecting rod 7 is fixed on one side of the shaft body 1, a plastic magnetic sleeve 2 is installed on the outer wall of the shaft body 1, a mounting block 5 is installed on one side of the plastic magnetic sleeve 2, a second stopper 10 is installed on the top and bottom ends of one side of the inner wall of the mounting block 5, a telescopic rod 11 is installed inside the mounting block 5, a telescopic block 9 is connected to one side of the telescopic rod 11, a first stopper 8 is installed on the top and bottom ends of one side of the telescopic block 9, a protective ring 6 is connected to the other side of the telescopic block 9, an embedding groove 12 is opened inside the protective ring 6, and a ball 13 is embedded inside the embedding groove 12.

[0024] The first stoppers 8 are symmetrically distributed about the horizontal center axis of the telescopic block 9 , and the second stoppers 10 are symmetrically distributed about the horizontal center axis of the mounting block 5 .

[0025] Two groups of telescopic rods 11 are installed inside the mounting block 5 , and the mounting block 5 is symmetrically distributed about the central axis of the plastic magnetic sleeve 2 .

[0026] The embedding groove 12 is distributed in a ring shape about the center of the protective ring 6 , and the inner diameter of the embedding groove 12 is larger than the outer diameter of the ball 13 .

[0027] The outer wall of the plastic magnetic sleeve 2 is coated with a wear-resistant layer 3 , and a mounting ring 4 is installed on one side of the plastic magnetic sleeve 2 .

[0028] Mounting plates 15 are mounted on both ends of the mounting ring 4, and the mounting ring 4 is divided into two half rings about the middle position.

[0029] The mounting pieces 15 are symmetrically distributed about the central axis of the mounting ring 4 . Both ends of the inner wall of the mounting ring 4 are mounted with retaining springs 14 . A protective plate 16 is mounted on one end of the retaining spring 14 . A protective pad 17 is bonded to one end of the protective plate 16 .

[0030] The retaining springs 14 are evenly distributed at one end of the protective plate 16, and an adhesive connection is formed between the protective plate 16 and the protective pad 17;

[0031] Furthermore, the ball 13 can roll inside the embedded groove 12, so that during the operation of the shaft body 1, the limit position can be reached and the wear problem can be reduced;

[0032] Further, the provision of the first stopper 8 and the second stopper 10 can achieve the purpose of blocking and reduce the problem of the telescopic block 9 excessively extending outside the mounting block 5 .

[0033] Working principle: First, install the telescopic rod 11 inside the mounting block 5, and use the telescopic rod 11 to complete the adjustment connection with the telescopic block 9, so that the telescopic block 9 can be driven to extend and retract after the telescopic rod 11 works, and the setting of the first stop block 8 and the second stop block 10 can achieve the purpose of gear shifting. Adjust the protective ring 6 to a suitable position as needed, so that the rotating shaft body 1 can use the embedded groove 12 and the ball 13 to complete the rolling limit during operation. At the same time, the wear-resistant layer 3 will be coated on the outside of the plastic magnetic sleeve 2 in advance. Similarly, the wear-resistant layer 3 can also be coated on the inner wall of the gap of the plastic magnetic sleeve 2 for wear-resistant protection. At the same time, it is necessary to install the two half rings on the outside of the tail end of the rotating shaft body 1, and use the protective plate 16 and the retaining spring 14 for contact buffering protection when in contact. Finally, the two half rings are connected and installed using the mounting plate 15 to form a mounting ring 4 to ensure the normal use of the whole.

[0034] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

Claims

1. A plastic magnetic rotor with a protective structure, comprising a rotating shaft body (1), characterized in that: A connecting rod (7) is fixed to one side of the rotating shaft body (1), a plastic magnetic sleeve (2) is installed on the outer wall of the rotating shaft body (1), a mounting block (5) is installed on one side of the plastic magnetic sleeve (2), a second stopper (10) is installed at the top and bottom ends of one side of the inner wall of the mounting block (5), a telescopic rod (11) is installed inside the mounting block (5), a telescopic block (9) is connected to one side of the telescopic rod (11), a first stopper (8) is installed at the top and bottom ends of one side of the telescopic block (9), a protective ring (6) is connected to the other side of the telescopic block (9), an embedding groove (12) is provided inside the protective ring (6), and a ball (13) is embedded inside the embedding groove (12).

2. The plastic magnetic rotor with a protective structure according to claim 1, characterized in that: The first stop blocks (8) are symmetrically distributed about the horizontal center axis of the telescopic block (9), and the second stop blocks (10) are symmetrically distributed about the horizontal center axis of the mounting block (5).

3. The plastic magnetic rotor with a protective structure according to claim 1, characterized in that: Two groups of telescopic rods (11) are installed inside the mounting block (5), and the mounting block (5) is symmetrically distributed about the central axis of the plastic magnetic sleeve (2).

4. The plastic magnetic rotor with a protective structure according to claim 1, characterized in that: The embedding groove (12) is distributed in a ring shape about the center of the protective ring (6), and the inner diameter of the embedding groove (12) is larger than the outer diameter of the ball (13).

5. The plastic magnetic rotor with a protective structure according to claim 1, characterized in that: The outer side wall of the plastic magnetic sleeve (2) is coated with a wear-resistant layer (3), and a mounting ring (4) is mounted on one side of the plastic magnetic sleeve (2).

6. The plastic magnetic rotor with a protective structure according to claim 5, characterized in that: Mounting plates (15) are mounted on both ends of the mounting ring (4), and the mounting ring (4) is divided into two half rings about the middle position.

7. The plastic magnetic rotor with a protective structure according to claim 6, characterized in that: The mounting plates (15) are symmetrically distributed about the central axis of the mounting ring (4); both ends of the inner wall of the mounting ring (4) are provided with retaining springs (14); one end of the retaining spring (14) is provided with a protective plate (16); and one end of the protective plate (16) is bonded with a protective pad (17).

8. The plastic magnetic rotor with a protective structure according to claim 7, characterized in that: The clamping springs (14) are evenly distributed at one end of the protective plate (16), and an adhesive connection is formed between the protective plate (16) and the protective pad (17).

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