Direct current motor capable of being quickly assembled

Abstract

The utility model discloses a direct-current motor capable of being quickly assembled. The direct-current motor comprises a direct-current motor shell, a stator framework installed in the direct-current motor shell and a rotor inserted in the direct-current motor shell and used in cooperation with the stator framework. An inner groove, a top groove and a bottom groove are preset in the direct current motor shell, and a plug-in structure of a limiting seat and a bottom sealing plate is matched, so that accurate positioning and quick disassembly and assembly of a stator framework and a rotor are realized; the sealing plugging design of the connecting socket and the jack simplifies the mounting process of the limiting seat, and meanwhile, the heat dissipation plate effectively reduces the working temperature of the bearing; a split type bottom sealing plate is integrated with a rotating tray, and the rotating stability of the rotor is ensured through double-bearing supporting; the multiple sets of connecting bases disperse vibration loads, the reliability of the whole structure is enhanced, through clamping and inserting cooperation of all the assemblies, the operation stability of the motor is guaranteed, meanwhile, rapid replacement and maintenance of parts are achieved, and the maintenance cost and the downtime are greatly reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electric appliance field, concretely to a direct current motor of quick assembly. BACKGROUND

[0002] Traditional direct current motor usually adopts bolt fastening or welding and the like to assemble, resulting in that the disassembly process is cumbersome and time-consuming, especially when internal parts are maintained or replaced, the whole is often disassembled, which increases maintenance cost and time loss. In addition, the positioning of the stator and rotor of the traditional motor mainly depends on precision machining or interference fit, which requires high assembly precision, and is prone to part loosening due to vibration after long-time operation, affecting the stability of the motor operation.

[0003] In the prior art, the assembly mode of the direct current motor generally adopts the traditional bolt fixing or welding process. Although this structure can ensure the overall rigidity of the motor, it exposes obvious efficiency problems in actual use. Since there is a lack of quick positioning and locking mechanism between the parts, the relative positions of the stator frame, rotor and shell need to be adjusted one by one during assembly and fastened by multiple bolts, which is not only time-consuming and cumbersome, but also requires high skill of the assembly personnel, and any slight mistake will affect the coaxiality and running stability of the motor. More importantly, when the motor has a local fault, the integrated structure design makes maintenance extremely difficult, and the internal damaged parts can only be accessed by completely disassembling the motor shell. During the disassembly process, other intact parts are also prone to secondary damage, resulting in high maintenance cost. At the same time, the traditional motor has low modularity, and the stator or rotor assembly usually needs to be replaced as a whole after damage, which cannot realize precise part-level maintenance. This design defect is particularly prominent in application scenarios such as industrial production lines that require quick maintenance, which seriously affects the use efficiency and economic benefit of the equipment. Therefore, there is a need for a direct current motor that can be quickly assembled. SUMMARY

[0004] The utility model aims at providing a direct current motor that can be quickly assembled, which ensures the convenience and stability of motor assembly and use through the direct relationship between the components, to solve the technical problems mentioned in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a direct current motor that can be quickly assembled, comprising a direct current motor shell, a stator frame installed inside the direct current motor shell, and a rotor inserted into the direct current motor shell and cooperated with the stator frame.

[0006] An inner groove for limiting the stator frame is formed in the interior of the direct current motor shell, a limiting seat for limiting the rotor is inserted on the upper surface of the direct current motor shell, and a bottom sealing plate for limiting and protecting the rotor is connected and installed at the bottom of the direct current motor shell.

[0007] Preferably, the lower part of the outer arc surface of the DC motor shell is integrally formed with a plurality of groups of connecting seats, and one side of the outer arc surface of the DC motor shell is provided with a connecting wire electrically connected with the stator framework.

[0008] Preferably, the top end of the DC motor shell is provided with a top groove, and the center of the top groove is provided with a plug hole communicated with the inner groove.

[0009] Preferably, the outer surface of the limiting seat is provided with a heat sink, the bottom of the limiting seat is fixedly provided with a connecting socket, the connecting socket is sealingly inserted into the plug hole, and the bottom of the limiting seat is attached to the inner wall of the top groove.

[0010] Preferably, the outer arc surface of the stator framework is inserted into the inner wall of the inner groove, there is a gap between the outer surface of the rotor and the inner wall of the stator framework, and the output rod of the rotor extends from the inside of the limiting seat.

[0011] Preferably, the bottom of the DC motor shell is provided with a bottom groove, the bottom sealing plate is sealingly inserted into the bottom groove, the upper surface of the bottom sealing plate is rotatably provided with a rotating tray, and the bottom of the rotor is rotatably attached to the rotating tray.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] The inner groove, the top groove and the bottom groove are pre-set in the DC motor shell, the plug-in structure of the limiting seat and the bottom sealing plate is adopted, the accurate positioning and quick disassembly of the stator framework and the rotor are realized, the sealing plug-in design of the connecting socket and the plug hole simplifies the installation process of the limiting seat, the heat sink effectively reduces the working temperature of the bearing, the split bottom sealing plate is integrated with the rotating tray, the double bearing support ensures the stability of the rotation of the rotor, a plurality of groups of connecting seats disperse the vibration load and enhance the reliability of the overall structure, the design realizes the quick replacement and maintenance of the parts while ensuring the stability of the motor operation, and the maintenance cost and downtime are greatly reduced. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is a structural schematic view of the utility model;

[0015] Fig. 2 It is a split schematic view of the overall structure of the utility model;

[0016] Fig. 3 It is a split schematic view of the stator framework installation structure of the utility model.

[0017] In the drawing: 1, DC motor shell; 2, connecting seat; 3, connecting wire; 4, top groove; 5, inner groove; 6, bottom groove; 7, limiting seat; 8, heat sink; 9, connecting socket; 10, stator framework; 11, rotor; 12, bottom sealing plate; 13, rotating tray. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the utility model.

[0019] As shown in the utility model provides a kind of direct current motor of quick assembly, including direct current motor shell 1, and the stator framework 10 of installation in direct current motor shell 1 inside and the rotor 11 of plug-in in direct current motor shell 1 inside and stator framework 10 cooperation use, direct current motor is assembled by the splicing of each group structure as a whole, can greatly improve the convenience of the motor in use process, while in maintenance process, corresponding parts can be quickly replaced, reduce maintenance loss. Figs. 1-3

[0020] The inner groove 5 is provided in the direct current motor shell 1 to limit the stator framework 10 and the rotor 11, and the stability of the motor as a whole is ensured by the cooperation of the stator framework 10 and the rotor 11.

[0021] As preferred, the outer arc surface of the direct current motor shell 1 is integrally formed with a plurality of connecting seats 2 at the lower part of the outer arc surface, and the connecting lead 3 electrically connected to the stator framework 10 is installed through one side of the outer arc surface of the direct current motor shell 1. The connecting seat 2 installed on the outer arc surface of the direct current motor shell 1 can well ensure the connectivity of the motor as a whole with the outside. Since the connecting seat 2 is provided with multiple groups, the vibration generated by the direct current motor shell 1 during work can be better shared, thereby reducing the inconvenience of the direct current motor shell 1 as a whole during use. The connecting lead 3 installed on one side of the direct current motor shell 1 continuously supplies power to the stator framework 10, to ensure the stable work of the motor as a whole.

[0022] Further, the top groove 4 is provided at the top end of the direct current motor shell 1, and the insertion hole is provided through the center of the top groove 4 and the inner groove 5. The top groove 4 provided at the top end of the direct current motor shell 1 and the insertion hole provided through the inner groove 5 at the center of the top groove 4 limit the limiting seat 7. The limiting seat 7 is provided to limit the rotor 11, to ensure the stability of the rotation of the rotor 11, so that the motor as a whole works more smoothly, and the rotor 11 is prevented from contacting the stator framework 10 during rotation. ​

[0023] Further, the outer surface of the limiting seat 7 is provided with a heat dissipation plate 8, and the bottom of the limiting seat 7 is fixedly installed with a connecting socket 9, which is sealingly inserted into the socket hole. The bottom of the limiting seat 7 is attached to the inner wall of the top groove 4, and the bearing provided in the limiting seat 7 can limit the rotor 11 and ensure the stable rotation of the rotor 11. The heat dissipation plate 8 can dissipate heat from the limiting seat 7, reducing the overheating problem of the bearing in the limiting seat 7. The limiting seat 7 is inserted into the through hole through the connecting socket 9, which makes the overall insertion of the limiting seat 7 more convenient and further improves the convenience of assembling the whole direct current motor shell 1.

[0024] It is worth mentioning that the outer arc surface of the stator skeleton 10 is attached to the inner wall of the inner groove 5, and there is a gap between the outer surface of the rotor 11 and the inner wall of the stator skeleton 10. The output rod of the rotor 11 extends from the inside of the limiting seat 7. The stator skeleton 10 is inserted into the inner groove 5 to complete the positioning, avoiding the rotation of the stator skeleton 10 during use. The stator skeleton 10 is powered by the connecting wire 3, and the wire group wound in the stator skeleton 10 works with the rotor 11 to complete the control of the motor operation.

[0025] Specifically, the bottom of the direct current motor shell 1 is provided with a bottom groove 6, and the bottom sealing plate 12 is sealingly connected to the inside of the bottom groove 6. The bottom sealing plate 12 is rotatably installed with a rotating tray 13 on the upper surface, and the bottom of the rotor 11 is rotatably attached to the rotating tray 13. Another set of bearings is installed in the bottom sealing plate 12 to ensure the stable rotation of the rotating tray 13, so that the rotating tray 13 can limit the rotor 11 while ensuring the stable rotation of the rotor 11, making the motor work more efficiently and stably.

[0026] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A direct current motor capable of quick assembly, characterized in that: Including direct current motor shell (1), and the stator framework (10) and the rotor (11) that are installed in the inside of the direct current motor shell (1) and are used with the stator framework (10) in the inside of the direct current motor shell (1) cooperation, The inside of the direct current motor shell (1) is provided with the inner groove (5) for limiting the stator framework (10), the upper surface of the direct current motor shell (1) is inserted with the limiting seat (7) for limiting the rotor (11), the bottom of the direct current motor shell (1) is connected with the bottom sealing plate (12) for limiting and protecting the rotor (11).

2. The direct current motor capable of being quickly assembled according to claim 1, characterized in that: The outer arc surface of the direct current motor shell (1) is integrally formed with a plurality of groups of connecting seats (2) at the lower part, and the outer arc surface of the direct current motor shell (1) is installed with connecting wires (3) on one side, which are electrically connected with the stator framework (10).

3. The direct current motor capable of being quickly assembled according to claim 2, characterized in that: The top end of the direct current motor shell (1) is provided with a top groove (4), and the center of the top groove (4) is provided with a through hole.

4. The direct current motor capable of being quickly assembled according to claim 3, characterized in that: The outer surface of the limiting seat (7) is provided with a heat sink (8), and the bottom of the limiting seat (7) is fixedly installed with a connecting socket (9), which is sealedly inserted into the through hole.

5. A direct current motor capable of quick assembly according to claim 4, characterized in that: The outer arc surface of the stator framework (10) is inserted into the inner wall of the inner groove (5), and the outer surface of the rotor (11) has a gap between the inner wall of the stator framework (10).

6. A DC motor capable of quick assembly according to claim 5, characterized in that: The bottom of the direct current motor shell (1) is provided with a bottom groove (6), the bottom sealing plate (12) is inserted into the bottom groove (6) and is sealingly connected, the upper surface of the bottom sealing plate (12) is rotatably installed with a rotating tray (13), and the bottom of the rotor (11) is rotatably installed with the rotating tray (13).

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