Motor rotor convenient to disassemble

Abstract

The utility model is suitable for the technical field of motor rotors, and provides a motor rotor convenient to disassemble, which comprises a casing, a motor rotor body and a heat dissipation cover, the casing is covered outside the motor rotor body, the heat dissipation cover is arranged on one side surface of the casing, a rotating shaft is fixedly inserted on the motor rotor body, an annular groove is arranged on one side surface of the casing, and the rotating shaft is inserted into the annular groove. A positioning hole is formed in one side face of the machine shell, an annular plate is arranged on the outer circumferential side face of the machine shell in a suspended mode, and a sliding rod connected with the outer circumferential side face of the machine shell in a sliding mode is fixedly connected to the inner circumferential side face of the annular plate. The motor rotor mounting and dismounting device achieves the effects of quickly completing the mounting and dismounting of the heat dissipation cover on the motor rotor body and improving the mounting and dismounting efficiency of the motor rotor body through the cooperative use of a trapezoidal block, a moving rod and an inserting rod.

Description

Technical Field

[0001] The utility model relates to the technical field of motor rotors, and more specifically, to a motor rotor which is easy to disassemble. Background Art

[0002] The motor rotor is generally speaking the rotating part of the motor.

[0003] The motor rotor needs to be disassembled by removing the outer shell and the heat dissipation cover on the outer peripheral side of the motor rotor. However, the heat dissipation cover on the motor rotor and the outer shell are currently fixedly connected by multiple bolts. To remove the heat dissipation cover from the motor rotor outer shell, the bolts need to be unscrewed multiple times, making the disassembly cumbersome, thereby affecting the efficiency of installation and disassembly of the motor rotor. Utility Model Content

[0004] In view of the deficiencies in the prior art, the purpose of the utility model is to provide an easy-to-disassemble motor rotor that can quickly complete the installation and disassembly of the heat dissipation cover on the motor rotor body through the coordinated use of trapezoidal blocks, moving rods and insertion rods, thereby improving the installation and disassembly efficiency of the motor rotor body.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] The cam is an axially rotatable plate that is fixedly provided with a toothed plate and a toothed plate that is fixedly provided with a toothed plate.

[0007] An inner side surface of the heat dissipation cover is symmetrically fixedly connected with an insertion rod matching the positioning hole, and the peripheral side surfaces of the two insertion rods are both provided with locking holes matching the moving rod.

[0008] The utility model is further configured as follows: four rivet nuts are arranged in an array at a position deviating from the center of a circle on one side of the rotating shaft, a disc is sleeved on the circumferential side surface of the rotating shaft, the disc and the motor rotor body are fixedly connected by four bolts, each of the bolts is threadedly connected to the inside of the rivet nut, and a protective tube sleeved on the circumferential side surface of the rotating shaft is welded to one side of the disc.

[0009] The utility model is further configured as follows: four ear plates are symmetrically fixedly connected to the outer peripheral side of the casing, two bolts are symmetrically inserted between two of the ear plates, and each of the two bolts is threadedly connected with a nut that contacts the ear plate.

[0010] The utility model is further configured as follows: the outer peripheral side surface of the housing is symmetrically provided with guide grooves respectively matching with the threaded rod and the sliding rod.

[0011] The utility model is further configured as follows: an inner side surface of the heat dissipation cover is fixedly connected with an annular convex plate matching the annular groove.

[0012] The utility model is further configured as follows: the depth of the positioning hole is greater than the depth of the annular groove.

[0013] The advantages of the utility model are:

[0014] By using the trapezoidal block, the moving rod and the insert rod in coordination, the installation and removal of the heat dissipation cover on the motor rotor body can be quickly completed, thereby improving the installation and removal efficiency of the motor rotor body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0016] Figure 2 It is a three-dimensional structural schematic diagram of the connection between the motor rotor body, the rotating shaft and the rivet nut in the utility model.

[0017] Figure 3 It is a three-dimensional structural schematic diagram of the connection between the motor rotor body, the rotating shaft, the disc and the protective tube in the utility model.

[0018] Figure 4 It is a schematic diagram of a partial three-dimensional structure of the utility model.

[0019] Figure 5 for Figure 4 Schematic diagram of the three-dimensional structure viewed from above.

[0020] Figure 6 for Figure 4 Schematic diagram of the side plan structure.

[0021] Figure 7 for Figure 6 Enlarged view of point A in the middle.

[0022] Figure 8 It is a three-dimensional structural schematic diagram of the connection between the heat dissipation cover and the insertion rod in the utility model.

[0023] Fig. 9 for Figure 8 Enlarged view of point B in the middle.

[0024] Fig.10 It is a schematic cross-sectional plan view of the connection between the casing, the groove, the moving rod and the spring in the utility model.

[0025] In the figure: 1, housing; 2, motor rotor body; 3, shaft; 4, rivet nut; 5, disc; 6, protective tube; 7, bolt one; 8, ear plate; 9, bolt two; 10, nut; 11, annular groove; 12, positioning hole; 13, moving rod; 14, annular plate; 15, threaded rod; 16, guide groove; 17, sliding rod; 18, trapezoidal block; 19, heat dissipation cover; 20, annular convex plate; 21, plug rod; 22, lock hole; 23, groove; 24, spring; 25, slide plate. DETAILED DESCRIPTION

[0026] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0027] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0028] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually used in reference to the directions shown in the drawings, or in reference to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually used in reference to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention.

[0029] Embodiment 1

[0030] See also Figure 1-10 , the utility model provides the following technical solutions:

[0031] Specifically, it refers to a motor rotor that is easy to disassemble, including a casing 1, a motor rotor body 2 and a heat dissipation cover 19, the casing 1 is covered on the outside of the motor rotor body 2, the heat dissipation cover 19 is arranged on one side of the casing 1, a rotating shaft 3 is fixedly inserted on the motor rotor body 2, an annular groove 11 is opened on one side of the casing 1, a positioning hole 12 is opened on one side of the casing 1, the depth of the positioning hole 12 is greater than the depth of the annular groove 11, an annular plate 14 is suspended on the outer peripheral side of the casing 1, the inner peripheral side of the annular plate 14 is fixedly connected with a slide bar 17 slidably connected to the outer peripheral side of the casing 1, the outer peripheral side of the annular plate 14 is threadedly connected with a threaded rod 15 that contacts the outer peripheral side of the casing 1 and is arranged opposite to the slide bar 17, and an inner side of the heat dissipation cover 19 is fixedly connected with a threaded rod 15 that matches the annular groove 11 The casing 1 is provided with an annular convex plate 20, a groove 23 is provided on the casing 1, a moving rod 13 penetrating the groove 23 and extending into the positioning hole 12 is slidably inserted on the outer peripheral side of the casing 1, a slide plate 25 slidably connected to the peripheral side of the groove 23 is fixedly connected to the outer peripheral side of the moving rod 13, a spring 24 sleeved on the peripheral side of the moving rod 13 is fixedly connected between the slide plate 25 and the groove 23, and a trapezoidal block 18 in a circular array and in contact with the ends of the two moving rods 13 is fixedly connected to the inner peripheral side of the annular plate 14; an insertion rod 21 matching the positioning hole 12 is symmetrically fixedly connected to an inner side surface of the heat dissipation cover 19, and locking holes 22 matching the moving rod 13 are provided on the peripheral sides of the two insertion rods 21, and an annular convex plate 20 matching the annular groove 11 is fixedly connected to an inner side surface of the heat dissipation cover 19.

[0032] A specific application of this embodiment is: align the insertion rod 21 on the heat dissipation cover 19 with the positioning hole 12 and insert it, then rotate the annular plate 14 counterclockwise, so that the annular plate 14 drives the trapezoidal block 18 to rotate counterclockwise and press the moving rod 13, drive the moving rod 13 to move into the positioning hole 12, and insert the moving rod 13 into the locking hole 22 on the insertion rod 21, and finally screw the threaded rod 15 clockwise to make the end of the threaded rod 15 close to the outer wall of the housing 1, thereby completing the position locking of the trapezoidal block 18, the moving rod 13 and the insertion rod 21, thereby quickly completing the fixed installation of the heat dissipation cover 19, and then rotating the threaded rod 15 clockwise to make the end of the threaded rod 15 close to the outer wall of the housing 1. The threaded rod 15 is screwed clockwise to disengage the threaded rod 15 from the outer wall of the casing 1, and the annular plate 14 is rotated clockwise to drive the trapezoidal block 18 to rotate clockwise. Under the elastic force of the spring 24, the movable rod 13 is driven to move in the direction of disengaging from the lock hole 22, so that the insertion rod 21 is in a movable state, and finally the heat dissipation cover is pulled outward to complete the removal of the heat dissipation cover 19. Through the coordinated use of the trapezoidal block 18, the movable rod 13 and the insertion rod 21, the installation and removal of the heat dissipation cover 19 on the motor rotor body 2 can be quickly completed, thereby improving the installation and removal efficiency of the motor rotor body 2.

[0033] Embodiment 2

[0034] See also Figure 1-10The second embodiment is improved on the basis of the first embodiment as follows. Specifically, four rivet nuts 4 are arranged in an array at a position deviating from the center of the circle on one side of the rotating shaft 3, a disc 5 is sleeved on the circumferential side of the rotating shaft 3, and the disc 5 and the motor rotor body 2 are fixedly connected by four bolts 7, each of which is threadedly connected to the inside of the rivet nut 4, and a protective tube 6 sleeved on the circumferential side of the rotating shaft 3 is welded on one side of the disc 5.

[0035] A specific application of this embodiment is: through the preset four rivet nuts 4, the disc 5 and the protective tube 6 can be more conveniently fixedly connected by bolts 7, avoiding the need to drill holes and tap threads on the motor rotor body 2 in advance. The setting of the protective tube 6 can well protect the rotating shaft 3.

[0036] Embodiment 3

[0037] See also Figure 1-10 The third embodiment makes the following improvements on the basis of the first embodiment. Specifically, four ear plates 8 are symmetrically fixedly connected to the outer peripheral side of the casing 1, and two bolts 9 are symmetrically inserted between the two ear plates 8. Each bolt 9 is threadedly connected with a nut 10 that contacts the ear plate 8.

[0038] A specific application of this embodiment is: the casing 1 is composed of two semi-arc plates, the two semi-arc plates are connected to each other and fixed by bolts 9 and nuts 10, and the nuts 10 are screwed counterclockwise to complete the disassembly of the casing 1 on the side surface of the motor rotor body 2.

[0039] Obviously, the embodiments described above are only some embodiments of the utility model, not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0040] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0041] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the numbers used in this way can be interchanged where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein.

[0042] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

[0043] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A motor rotor that is easy to disassemble, comprising a housing (1), a motor rotor body (2) and a heat dissipation cover (19), wherein the housing (1) is arranged outside the motor rotor body (2), and the heat dissipation cover (19) is arranged on a side surface of the housing (1), characterized in that: The motor rotor body (2) is fixedly provided with a rotating shaft (3), one side surface of the housing (1) is provided with an annular groove (11), one side surface of the housing (1) is provided with a positioning hole (12), an annular plate (14) is suspended on the outer peripheral side surface of the housing (1), the inner peripheral side surface of the annular plate (14) is fixedly connected with a sliding rod (17) slidably connected to the outer peripheral side surface of the housing (1), the outer peripheral side surface of the annular plate (14) is threadedly connected with a threaded rod (15) that contacts the outer peripheral side surface of the housing (1) and is arranged opposite to the sliding rod (17), and the housing (1) 1) is provided with a groove (23), a moving rod (13) penetrating the groove (23) and extending into the positioning hole (12) is slidably inserted into the outer peripheral side of the housing (1), a slide plate (25) slidably connected to the outer peripheral side of the moving rod (13) is fixedly connected to the sliding plate (25) slidably connected to the peripheral side of the groove (23), a spring (24) sleeved on the peripheral side of the moving rod (13) is fixedly connected between the slide plate (25) and the groove (23), and a trapezoidal block (18) in a circular array and in contact with the ends of the two moving rods (13) is fixedly connected to the inner peripheral side of the annular plate (14); An inner side surface of the heat dissipation cover (19) is symmetrically fixedly connected with an insertion rod (21) matching the positioning hole (12), and the peripheral side surfaces of the two insertion rods (21) are both provided with locking holes (22) matching the moving rod (13).

2. The easily disassembled motor rotor according to claim 1, characterized in that: Four rivet nuts (4) are arranged in an array at a position deviating from the center of a circle on one side of the rotating shaft (3); a disc (5) is sleeved on the peripheral side surface of the rotating shaft (3); the disc (5) and the motor rotor body (2) are fixedly connected by four bolts (7); each of the bolts (7) is threadedly connected to the inside of the rivet nut (4); and a protective tube (6) sleeved on the peripheral side surface of the rotating shaft (3) is welded on one side surface of the disc (5).

3. The easily disassembled motor rotor according to claim 2, characterized in that: Four ear plates (8) are symmetrically fixedly connected to the outer peripheral side of the casing (1), two bolts (9) are symmetrically inserted between two of the ear plates (8), and each of the two bolts (9) is threadedly connected to a nut (10) that contacts the ear plate (8).

4. The easily disassembled motor rotor according to claim 3, characterized in that: The outer peripheral side surface of the housing (1) is symmetrically provided with guide grooves (16) respectively matching the threaded rod (15) and the sliding rod (17).

5. The easily disassembled motor rotor according to claim 4, characterized in that: An inner side surface of the heat dissipation cover (19) is fixedly connected with an annular convex plate (20) matching the annular groove (11).

6. The easily disassembled motor rotor according to claim 5, characterized in that: The depth of the positioning hole (12) is greater than the depth of the annular groove (11).

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