Plastic magnetic rotor

Abstract

The utility model discloses a plastic magnetic rotor, which belongs to the technical field of plastic magnetic rotors and comprises a plastic magnet and a rotor shaft, a mounting groove is arranged at the center of the plastic magnet, and symmetrical concave grooves are arranged on the mounting groove. The rotor shaft is connected with a protrusion matched with the concave groove, the rotor shaft is connected with gaskets limiting the two sides of the plastic magnet, and a limiting piece abutting against the gaskets is fixed to the rotor shaft. According to the utility model, the gaskets on the two sides are limited by the limiting pieces, so that the plastic magnetic rotor is not easy to loosen in the use process, the plastic magnet is connected more firmly, the plastic magnetic rotor is connected with the plastic magnet in a clamping manner, the whole assembly and disassembly are convenient, and the whole assembly and disassembly are not required to be replaced when part of the plastic magnetic rotor is damaged.

Description

TECHNICAL FIELD

[0001] The utility model relates to plastic magnetic rotor technical field especially relates to a plastic magnetic rotor. BACKGROUND

[0002] The rotor is the key component of the motor. With the popularization of the plastic magnetic rotor, the plastic magnetic rotor gradually replaces the rotor wound by the traditional copper wire, the plastic magnetic rotor can adapt to the high speed and long time continuous work of the DC motor, and can ensure not to crack, and the heat output is low, the higher the magnetic performance of the plastic magnetic rotor is, the greater the efficiency of the DC motor is.

[0003] The existing plastic magnetic rotor has no clamping structure between the shaft and the plastic magnetic ring, and the two usually rely on anaerobic structural adhesive to be fixed by adhesion, which greatly increases the difficulty of later maintenance and maintenance. Once the plastic magnetic rotor or the shaft needs to be repaired or replaced, due to the curing characteristics of the adhesive, the disassembly process is often complex and time-consuming, and even the plastic magnetic ring or the shaft may be damaged during the disassembly process. This bonding method limits the maintainability of the plastic magnetic rotor. Usually the entire plastic magnetic rotor can only be replaced, and the damaged part cannot be replaced. SUMMARY

[0004] The utility model discloses a kind of plastic magnetic rotors, including plastic magnet and rotor shaft, plastic magnet center is provided with installation slot, the installation slot is opened with symmetric recessed groove;The protrusion adapted to recessed groove is connected on the rotor shaft, the gasket limiting plastic magnet both sides is connected on the rotor shaft, the limiting member abutting gasket is fixed on the rotor shaft.

[0005] To achieve the above object, the utility model adopts the following technical scheme:

[0006] A plastic magnetic rotor, comprising a plastic magnet and a rotor shaft, a mounting slot is provided at the center of the plastic magnet, and symmetric recessed grooves are formed on the mounting slot;The protrusion adapted to recessed groove is connected on the rotor shaft, the gasket limiting plastic magnet both sides is connected on the rotor shaft, the limiting member abutting gasket is fixed on the rotor shaft.

[0007] Preferably, the length of the protrusion is less than the length of the recessed groove, and the two gaskets are fixedly connected with the plug-in blocks inserted into the recessed groove.

[0008] Preferably, the limiting member includes a first clamping body and a second clamping body, the rotor shaft is provided with a recessed portion for clamping the first and second clamping bodies, a through hole is formed on the rotor shaft, the first and second clamping bodies are connected by a screw passing through the through hole, the length of the recessed portion is the same as the length of the limiting member, and the first and second clamping bodies are fixed with a half-ring portion abutting the gasket.

[0009] Preferably, a through slot coaxial with the through hole is formed on the first clamping body, and a threaded groove for screw thread connection is formed on the second clamping body.

[0010] Preferably, the recess is provided with a plane on both sides, the through hole is perpendicular to the plane, and the inner wall of the first card body and the second card body is provided with a fitting part adapted to the plane.

[0011] Preferably, the surface of the half ring part is provided with a threaded part, and the ring body connected to the threaded part shields the through slot.

[0012] Preferably, the inner circle of the ring body has the same diameter as the outer circle of the first card body and the second card body.

[0013] Preferably, the surface of the ring body is provided with a rotating surface.

[0014] Preferably, the protrusion is integrally formed with the rotor shaft.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] The utility model discloses a limiting piece is positioned to the limiting of both sides gasket sides, makes plastic magnetic rotor not easy to loosen in the use process, also makes plastic magnet connection more fastening, through the package clamping mode and plastic magnet card engagement connection, makes whole dismounting convenient, when partial damage, does not need overall replacement.

[0017] Through the recess adapted to the first card body and the second card body, the first card body and the second card body are convenient to install, and the through slot and the through hole are also convenient to calibrate.

[0018] Through the connection of the ring body and the half ring part, the ring body shields the through slot, and then blocks the screw from separating, which is beneficial to the stability of the plastic magnetic rotor. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the following will briefly introduce the drawing needed to be used in the embodiment, and obviously, the drawing in the following description is only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating labor.

[0020] Figure 1 It is the whole structure schematic diagram of the utility model.

[0021] Figure 2 It is the protrusion and the plug-in block position schematic diagram of the utility model.

[0022] Figure 3 It is the limiting piece exploded schematic diagram of the utility model.

[0023] Figure 4 It is the rotor shaft schematic diagram of the utility model.

[0024] Figure 5 It is the plastic magnet schematic diagram of the utility model.

[0025] Figure 6 The blocking ring of the utility model is shown in the figure.

[0026] Figure number explanation: 1, plastic magnet; 11, mounting groove; 12, recessed groove; 2, rotor shaft; 21, protrusion; 22, recessed part; 221, plane; 23, through hole; 3, gasket; 31, insertion block; 4, limiting piece; 41, clamping body one; 411, through slot; 42, clamping body two; 421, threaded slot; 43, fitting part; 44, screw; 45, half ring part; 46, threaded part; 47, ring body; 471, rotating surface; 5, blocking ring. DETAILED DESCRIPTION

[0027] The utility model is described in further detail below in combination with the drawings.

[0028] The following description is used to disclose the utility model so that those skilled in the art can implement the utility model. The preferred embodiments in the following description are only as examples, and other obvious modifications can be thought of by those skilled in the art. The basic principles of the utility model defined in the following description can be used in other embodiments, modification schemes, improvement schemes, equivalent schemes and other technical schemes without departing from the spirit and scope of the utility model.

[0029] Those skilled in the art should understand that, in the disclosure of the utility model, the orientation or position indicated by the terms "longitudinal", "transverse", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, which is only for the convenience of the simplified description of the utility model, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore the above-mentioned terms cannot be understood as a limitation of the utility model.

[0030] It can be understood that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of one element can be one, and in another embodiment, the number of the element can be multiple, and the term "one" cannot be understood as a limitation on the number.

[0031] Please refer to Figure 1 - Figure 6 A plastic magnet rotor, comprising a plastic magnet 1 and a rotor shaft 2, the plastic magnet 1 is provided with a mounting groove 11 at the center, and the mounting groove 11 is provided with symmetrical recessed grooves 12;

[0032] The rotor shaft 2 is connected with the convex 21 matched with the recessed groove 12, the convex 21 is integrally formed with the rotor shaft 2, and the rotor shaft 2 is connected with the gaskets 3 on both sides of the limiting plastic magnet 1. The length of the convex 21 is less than the length of the recessed groove 12, both the gaskets 3 are fixedly connected with the insertion blocks 31 inserted into the recessed groove 12, and after the gaskets 3 are fixed, the insertion blocks 31 are beneficial to increase the stability of the rotor.

[0033] The rotor shaft 2 is fixed with the limiting pieces 4 abutting against the gaskets 3, the limiting pieces 4 are provided with two on one gasket 3, the limiting pieces 4 include the first clamping body 41 and the second clamping body 42, the rotor shaft 2 is provided with the recessed portions 22 for clamping the first clamping body 41 and the second clamping body 42, the recessed portions 22 are provided with the planes 221 on both sides, the inner walls of the first clamping body 41 and the second clamping body 42 are provided with the abutting portions 43 matched with the planes 221, the limiting pieces 4 are prevented from rotating on the rotor shaft 2, the rotor shaft 2 is provided with the through holes 23 perpendicular to the planes 221, the first clamping body 41 and the second clamping body 42 are connected through the screw 44 passing through, and the lengths of the recessed portions 22 are same as the lengths of the limiting pieces 4, which are beneficial to the first clamping body 41 and the second clamping body 42.

[0034] The first clamping body 41 is provided with the through grooves 411 coaxial with the through holes 23, the second clamping body 42 is provided with the threaded grooves 421 threadedly connected with the screw 44, and the first clamping body 41, the second clamping body 42 and the rotor shaft 2 are fixed through the screw 44.

[0035] The first clamping body 41 and the second clamping body 42 are fixed with the half ring portions 45 abutting against the gaskets 3, the gaskets 3 are abutted through the half ring portions 45, the plastic magnet 1 in the middle is stable, the surfaces of the half ring portions 45 are provided with the threaded portions 46, the ring bodies 47 are connected on the threaded portions 46 and shield the through grooves 411, the screw 44 is close to the outer end of the through groove 411, the ring bodies 47 prevent the screw 44 from being separated, the inner circle of the ring body 47 is same in diameter with the outer circle of the first clamping body 41 and the second clamping body 42, the surfaces of the ring bodies 47 are provided with the rotating surfaces 471, and the rotating surfaces 471 are convenient for rotating the ring bodies 47.

[0036] During installation, the protrusion 21 is inserted into the recessed groove 12, and then the gasket 3 on one side is placed on the rotor shaft 2, so that the insert 31 is inserted into the recessed groove 12. By clamping the housing 1 and the clamping body 2 42 onto the recessed part 22 respectively, the fitting part 43 contacts the plane 221, the through groove 411 coincides with the axis of the through hole 23, and the semi-ring part 45 abuts against the outside of the gasket 3. Then, the screw 44 passes through the clamping body 1 41 and the through hole 23 and is threaded to the threaded groove 421. Finally, the ring body 47 is fitted on the rotor shaft 2 and threaded to the threaded part 46 to cover the through groove 411. The limiting part 4 and the gasket 3 on the other side are operated in the same way, thereby fixing the plastic magnet 1, which is beneficial to the overall stability of the plastic magnetic rotor. During disassembly, rotate the ring body 47 to separate the ring body 47 from the half-ring body 47, then remove the screw 44 to separate the first clip 41 and the second clip 42, then remove the shim 3, and finally separate the plastic magnet 1 from the rotor shaft 2. This combination method facilitates disassembly and installation, and is beneficial for the maintenance and replacement of parts of the plastic magnetic rotor.

[0037] In another embodiment, such as Figure 6 As shown, one of the gaskets 3 has a limiting member 4 on one side and a blocking ring 5 on the other side. The blocking ring 5 is integrally formed with the rotor shaft 2. During installation, the plastic magnet 1 is first installed on the gasket 3 from the limiting member 4 side, and then the plastic magnet 1 is also fitted from the same side. Then the other gasket 3 is fitted on the rotor shaft 2. Finally, the limiting member 4 is installed. The installation of the limiting member 4 is the same as described above.

[0038] Those skilled in the art should understand that the embodiments of the present invention described above and shown in the accompanying drawings are merely examples and do not limit the present invention. The purpose of the present invention has been fully and effectively achieved. The functions and structural principles of the present invention have been shown and explained in the embodiments. Without departing from the stated principles, the implementation of the present invention may have any variations or modifications.

Claims

1. A plastic magnet rotor characterized by, Include: Plastic magnet (1), which is provided with a mounting slot (11) at the center, and the mounting slot (11) is provided with symmetrical recessed groove (12); The rotor shaft (2) is connected with the convex (21) matched with the recessed groove (12), the rotor shaft (2) is connected with the gasket (3) on both sides of the plastic magnet (1), and the rotor shaft (2) is fixed with the limiting piece (4) abutting the gasket (3).

2. A plastic magnet rotor according to claim 1, wherein: The length of the convex (21) is less than the length of the recessed groove (12), and the two gaskets (3) are fixedly connected with the plug-in block (31) inserted into the recessed groove (12).

3. A plastic magnetic rotor as claimed in claim 1, wherein: The limiting piece (4) includes card body one (41) and card body two (42), the rotor shaft (2) is provided with recessed part (22) for clamping card body one (41) and card body two (42), the rotor shaft (2) is provided with through hole (23), the card body one (41) and the card body two (42) are connected through the screw (44) passing through, the length of the recessed part (22) is same with the length of the limiting piece (4), the card body one (41) and the card body two (42) are fixed with the half ring part (45) abutting the gasket (3).

4. A plastic magnet rotor according to claim 3, wherein: The card body one (41) is provided with through slot (411) coaxial with through hole (23), and the card body two (42) is provided with threaded groove (421) threaded connected with screw (44).

5. A plastic magnet rotor as defined in claim 3, wherein: The recessed part (22) is provided with plane (221) on both sides, the through hole (23) is perpendicular to the plane (221), and the inner wall of the card body one (41) and the card body two (42) is provided with the abutting part (43) matched with the plane (221).

6. A plastic magnet rotor as defined in claim 4, wherein: The surface of the half ring part (45) is provided with threaded part (46), and the threaded part (46) is connected with ring body (47) shielding through slot (411).

7. A plastic magnet rotor according to claim 6, wherein: The inner circle of the ring body (47) is same with the outer circle diameter of the card body one (41) and the card body two (42).

8. A plastic magnet rotor according to claim 7, wherein: The surface of the ring body (47) is provided with rotating surface (471).

9. A plastic magnet rotor as defined in claim 1, wherein: The convex (21) is integrally formed with the rotor shaft (2).

Images