Motor iron core with good corrosion resistance

Abstract

The utility model discloses a motor iron core with good corrosion resistance, which comprises a protective shell, the protective shell is of a cavity structure with an opening on one end face, a stator iron core is arranged on the inner side wall of the protective shell, a rotor iron core is further rotatably arranged in the protective shell, the rotor iron core is rotatably arranged in the stator iron core, and the rotor iron core is arranged in the protective shell. One end of the rotor core is provided with a transmission shaft, the open end of the protective shell is connected with an end cover, and one end of the transmission shaft penetrates through the end cover and extends to the other end of the end cover. The utility model relates to the technical field of motor iron cores, and specifically provides a motor iron core with good corrosion resistance.

Description

Technical Field

[0001] The utility model relates to the technical field of motor iron cores, in particular to a motor iron core with good corrosion resistance. Background Art

[0002] A motor is a device that converts electrical energy into mechanical energy. The motor core is an important component in the motor, which is used to concentrate the magnetic field to generate electromagnetic force, thereby driving the motor to operate. The motor core includes a stator core and a rotor core, and both the stator core and the rotor core are formed by stacking punching sheets.

[0003] Existing motor seals are generally sealed by the cooperation of end covers and sealing rings. However, during the use of the motor, moisture may enter due to external factors such as rain, aging and loosening of seals, etc., causing the motor core to rust, reducing work efficiency and even causing short circuits and fires. This sealing method has average corrosion resistance. Utility Model Content

[0004] The technical problem to be solved by the utility model is that the sealing is performed by the cooperation of the cover and the sealing ring, but the sealing effect is average, and water vapor easily enters and causes the motor core to rust.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: the utility model proposes a motor core with good corrosion resistance, including a protective shell, the protective shell is a cavity structure with an open end face, a stator core is installed on the inner wall of the protective shell, a rotor core is also rotatably arranged inside the protective shell, the rotor core is rotatably arranged inside the stator core, a transmission shaft is provided at one end of the rotor core, the open end of the protective shell is connected to an end cover, one end of the transmission shaft passes through the end cover and extends to the other end of the end cover.

[0006] Preferred technical solution one: In order to increase the sealing between the protective shell and the end cover, the outer wall of one end of the protective shell is connected to the inner wall of one end of the end cover by threads, and the outer wall of the protective shell is provided with a support ring, and the support ring is provided with a groove, and a guide sleeve is provided in the groove, and a guide rod is slidably provided in the guide sleeve, and a support spring is sleeved on the guide rod, and the groove, guide sleeve and guide rod are evenly distributed in multiple groups with the central axis of the support ring as the center of the circle, and the other ends of the multiple groups of guide rods are provided with sealing rings, and the two ends of the support spring are respectively connected to the sealing ring and the guide sleeve, and a sealing convex ring is rotatably provided on the sealing ring, and a sealing concave ring corresponding to the sealing convex ring is provided on the end cover, which effectively reduces the entry of moisture, dust, etc. into the interior of the protective shell and the corrosion damage to the stator core and the rotor core.

[0007] Preferred technical solution two: In order to further increase the sealing performance, a sealing sponge ring is further provided on the inner bottom wall of the end cover, a sealing platform is provided on the open end of the protective shell, and a sealing groove is provided on the sealing platform corresponding to the sealing sponge ring.

[0008] Preferred technical solution three: The sealing convex ring is a fluororubber sealing convex ring, which has good sealing and corrosion resistance and weather resistance.

[0009] Preferred technical solution four: the transmission shaft is provided with a support bearing, the end cover is provided with a grease injection port and a grease discharge port respectively, and the grease injection port and the grease discharge port are provided with sealing covers.

[0010] The utility model proposes a motor core with good corrosion resistance, and the beneficial effects achieved by adopting the above structure are as follows:

[0011] (1) The protective housing and the end cover are connected by threads, and the sealing ring provided on the support ring can be flexibly connected to the sealing concave ring, so that the motor can be easily installed and disassembled, and the sealing performance is good, and it has good waterproof and dustproof effects;

[0012] (2) The sealing platform and the sealing sponge ring are used to further prevent moisture and dust from entering the protective housing, thereby avoiding affecting the lubrication of the support bearing and corroding the internal stator core and rotor core. The grease injection port and grease discharge port can assist in lubricating the support bearing. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0014] Figure 1 The overall structure of the motor core with good corrosion resistance proposed by the utility model is shown in FIG. Figure 1 ;

[0015] Figure 2 The overall structure of the motor core with good corrosion resistance proposed by the utility model is shown in FIG. Figure 2 ;

[0016] Figure 3 This is a schematic cross-sectional structure diagram of a motor core with good corrosion resistance proposed by the utility model;

[0017] Figure 4 for Figure 3 A partial enlarged schematic diagram of part A;

[0018] Figure 5 for Figure 3A partial enlarged schematic diagram of part B.

[0019] Among them, 1. protective casing, 2. stator core, 3. rotor core, 4. transmission shaft, 5. end cover, 6. support ring, 7. groove, 8. guide sleeve, 9. guide rod, 10. support spring, 11. sealing ring, 12. sealing convex ring, 13. sealing concave ring, 14. sealing sponge ring, 15. sealing platform, 16. sealing groove, 17. support bearing, 18. grease injection port, 19. grease discharge port, 20. sealing cover. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with 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 of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0021] It should be noted that the words "front", "rear", "left", "right", "up" and "down" used in the following description refer to directions in the drawings, and the words "inside" and "outside" refer to directions toward or away from the geometric center of a specific component, respectively.

[0022] like Figures 1 to 5 As shown, the technical solution adopted by the utility model is as follows: a motor core with good corrosion resistance, comprising a protective shell 1, the protective shell 1 is a cavity structure with an end face open, a stator core 2 is installed on the inner wall of the protective shell 1, a rotor core 3 is rotatably arranged inside the protective shell 1, the rotor core 3 is rotatably arranged inside the stator core 2, a transmission shaft 4 is arranged at one end of the rotor core 3, an end cover 5 is connected to the open end of the protective shell 1, one end of the transmission shaft 4 passes through the end cover 5 and extends to the other end of the end cover 5, in order to further increase the sealing performance, a sealing sponge ring 14 is also arranged on the inner bottom wall of the end cover 5, a sealing platform 15 is arranged on the open end of the protective shell 1, a sealing groove 16 corresponding to the sealing sponge ring 14 is arranged on the sealing platform 15, a support bearing 17 is arranged on the transmission shaft 4, a grease injection port 18 and a grease discharge port 19 are respectively provided on the end cover 5, and a sealing cover 20 is provided on the grease injection port 18 and the grease discharge port 19.

[0023] like Figure 3-5As shown, in order to increase the sealing between the protective shell 1 and the end cover 5, the outer wall of one end of the protective shell 1 is connected to the inner wall of one end of the end cover 5 by threads, the outer wall of the protective shell 1 is provided with a support ring 6, a groove 7 is provided on the support ring 6, a guide sleeve 8 is provided in the groove 7, a guide rod 9 is slidably provided in the guide sleeve 8, a support spring 10 is sleeved on the guide rod 9, the groove 7, the guide sleeve 8 and the guide rod 9 are evenly arranged in multiple groups with the central axis of the support ring 6 as the center, and the other ends of the multiple groups of guide rods 9 are provided with sealing rings 11, the two ends of the support spring 10 are respectively connected to the sealing ring 11 and the guide sleeve 8, a sealing convex ring 12 is rotatably provided on the sealing ring 11, and a sealing concave ring 13 corresponding to the sealing convex ring 12 is provided on the end cover 5, which effectively reduces the corrosion damage to the stator core 2 and the rotor core 3 caused by water vapor, dust, etc. entering the protective shell 1, and the sealing convex ring 12 is a fluororubber sealing convex ring 12, which has good sealing performance and corrosion resistance.

[0024] During specific use and installation, the stator core 2 and the rotor core 3 are sealed and protected by the protective shell 1 and the end cover 5. The protective shell 1 and the end cover 5 are connected by threads. At the same time, the sealing concave ring 13 at one end of the end cover 5 squeezes the sealing convex ring 12 on the sealing ring 11. The flexible squeezing makes the sealing convex ring 12 pressed into the inside of the sealing concave ring 13, and the sealing convex ring 12 is driven to rotate while rotating. At the same time, the sealing sponge ring 14 is squeezed into the sealing groove 16 during the squeezing process, and the sealing is increased inside the end cover 5. The corrosion resistance is further increased. When the support bearing 17 needs to be lubricated, it is injected and discharged through the grease injection port 18 and the grease discharge port 19.

[0025] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, material or apparatus including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, material or apparatus.

[0026] 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 motor core with good corrosion resistance, characterized in that: The invention comprises a protective shell (1), wherein the protective shell (1) is a cavity structure with an end face open, a stator core (2) is installed on the inner side wall of the protective shell (1), a rotor core (3) is rotatably arranged inside the protective shell (1), the rotor core (3) is rotatably arranged inside the stator core (2), a transmission shaft (4) is arranged at one end of the rotor core (3), the open end of the protective shell (1) is connected to an end cover (5), and one end of the transmission shaft (4) passes through the end cover (5) and extends to the other end of the end cover (5).

2. The motor core with good corrosion resistance according to claim 1, characterized in that: The outer wall of one end of the protective housing (1) is connected to the inner wall of one end of the end cover (5) by means of a thread. The outer wall of the protective housing (1) is provided with a support ring (6). The support ring (6) is provided with a groove (7). A guide sleeve (8) is provided in the groove (7). A guide rod (9) is slidably provided in the guide sleeve (8). A support spring (10) is sleeved on the guide rod (9). The groove (7), the guide sleeve (8) and the guide rod (9) are evenly arranged in a plurality of groups with the central axis of the support ring (6) as the center of a circle. The other ends of the plurality of groups of guide rods (9) are provided with sealing rings (11). The two ends of the support spring (10) are respectively connected to the sealing ring (11) and the guide sleeve (8). A sealing convex ring (12) is rotatably provided on the sealing ring (11). The end cover (5) is provided with a sealing concave ring (13) arranged corresponding to the sealing convex ring (12).

3. The motor core with good corrosion resistance according to claim 2, characterized in that: A sealing sponge ring (14) is also provided on the inner bottom wall of the end cover (5), a sealing platform (15) is provided on the open end of the protective housing (1), and a sealing groove (16) is provided on the sealing platform (15) corresponding to the sealing sponge ring (14).

4. The motor core with good corrosion resistance according to claim 3, characterized in that: The sealing convex ring (12) is a fluororubber sealing convex ring (12).

5. The motor core with good corrosion resistance according to claim 4, characterized in that: The transmission shaft (4) is provided with a support bearing (17), the end cover (5) is provided with a grease injection port (18) and a grease discharge port (19), respectively, and the grease injection port (18) and the grease discharge port (19) are provided with sealing covers (20).

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