Low-loss motor rotating wheel connecting structure

Abstract

The utility model discloses a low-loss motor rotating wheel connecting structure. A fixing piece is arranged at one end of the outer surface of the transmission shaft, a locking structure is arranged at the end, close to the fixing piece, of the outer surface of the transmission shaft, and a connecting ring is arranged at the end, close to the locking structure, of the outer surface of the transmission shaft. According to the utility model, the locking structure is arranged, the rotating wheel can be fixed on the transmission shaft through the locking structure, then the rotating wheel is further fixed on the transmission shaft through the matching of the fixing piece and the limiting ring, and if the rotating wheel needs to be taken down from the transmission shaft, the locking of the rotating wheel by the locking structure can be unlocked by pressing the clamping block, so that the rotating wheel is convenient to replace; and through clamping connection between the locking structure and the rotating wheel, the situation that the rotating wheel slips during working can be avoided, abrasion of the transmission shaft is avoided, the rotor can be stably installed on the transmission shaft through the limiting structure on the transmission shaft, and deviation of the rotor during rotation is prevented.

Description

Technical Field

[0001] This utility model relates to the field of motor technology, specifically to a low-loss motor rotor connection structure. Background Technology

[0002] An electric motor is an electromagnetic device that converts or transmits electrical energy based on the law of electromagnetic induction. It is divided into electric motors and generators. The drive shaft of an electric motor is usually connected to a rotating wheel, but the connection between the drive shaft and the wheel is often a snap-fit ​​connection. If the wheel needs to be replaced, the user needs to use tools such as a hammer to disassemble it, which is inconvenient. Furthermore, the wheel on the drive shaft can slip during operation, easily leading to wear on the drive shaft. Utility Model Content

[0003] The purpose of this invention is to provide a low-loss motor rotor connection structure to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a low-loss motor rotor connection structure, comprising a drive shaft: a fixing member is provided at one end of the outer surface of the drive shaft, a locking structure is provided at the end of the outer surface of the drive shaft near the fixing member, a connecting ring is provided at the end of the outer surface of the drive shaft near the locking structure, a first locking member is provided at the other end of the outer surface of the drive shaft, a second locking member is provided at the middle position of the outer surface of the drive shaft, and limit structures are provided at both ends of the outer surface of the drive shaft near the first and second locking members.

[0005] By adopting the above technical solution, the locking structure on the transmission shaft cooperates with the fixing parts to ensure that the rotating wheel can be stably installed on the transmission shaft and to prevent the rotating wheel from slipping during use. At the same time, the locking structure on the transmission shaft cooperates with the fixing parts to allow the rotating wheel to be sleeved on the transmission shaft, making it easy to disassemble and assemble the rotating wheel. The limiting structure on the transmission shaft cooperates with the first and second locking parts to ensure that the motor rotor can be stably installed on the transmission shaft and to prevent the motor rotor from shifting on the transmission shaft.

[0006] Preferably, the upper limit structure of the transmission shaft includes a slide groove. The outer surface of the transmission shaft is provided with slide grooves at both ends near the first and second clamps. The slide groove is provided with multiple threaded holes. The transmission shaft is slidably mounted with a sliding member through the slide groove. The sliding member is provided with bolts.

[0007] By adopting the above technical solution, the limiting structure on the transmission shaft enables the rotor on the motor to be stably installed on the transmission shaft. When the rotor rotates at high speed, it can prevent the rotor from deviating during rotation. Furthermore, the limiting structure allows the transmission shaft to be adapted to rotors of different sizes.

[0008] Preferably, the locking structure on the drive shaft includes a groove, the outer surface of the drive shaft is provided with a groove at one end near the fixing member, the other ends of both sides of the groove are provided with arc-shaped grooves, a locking block is rotatably provided inside the groove, an elastic member is provided at the other end of the bottom of the locking block, and a protrusion is provided at the other end of both sides of the locking block.

[0009] By adopting the above technical solution, when the rotating wheel is installed on the drive shaft, the locking structure can lock the rotating wheel on the drive shaft, preventing the rotating wheel from falling off the drive shaft, and the rotating wheel is quicker and more convenient to install and remove.

[0010] Preferably, the top of the outer surface of the drive shaft and the bottom of the inner surface of the fixing member are both provided with threads, the drive shaft is threadedly connected to the fixing member through the threads, and a limit ring is provided between the connecting ring on the outer surface of the drive shaft and the locking structure.

[0011] By adopting the above technical solution, the installation of the rotating wheel is further assisted by the cooperation between the limiting ring and the fixing component.

[0012] Preferably, a retaining ring is provided at the end of the outer surface of the connecting ring away from the fixing member, and the radius of the connecting ring is slightly larger than the radius of the drive shaft.

[0013] By adopting the above technical solution, when the drive shaft is connected to the motor housing, the retaining ring on the connecting ring can limit the bearing and improve the stability of the drive shaft installation.

[0014] Preferably, the sliding member is slidably connected to the drive shaft via a groove, the drive shaft is connected to a bolt via a threaded hole, the sliding member is provided with a connecting hole, and the sliding member is connected to the drive shaft via the connecting hole and the bolt.

[0015] By adopting the above technical solution, the position of the sliding component inside the slide groove is fixed by bolts, thus preventing the sliding component from sliding inside the slide groove.

[0016] Preferably, the card block is slidably connected to the groove via an arc groove and a protrusion. The size of the groove is slightly larger than the size of the card block. Limiting posts are provided at the bottom of the card block and the bottom of the groove. The groove and the card block are engaged with the elastic element through the limiting posts.

[0017] Compared with the prior art, the beneficial effects of this utility model are as follows: This low-loss motor rotor connection structure is equipped with a locking structure, which can fix the rotor on the drive shaft. Then, the rotor is further fixed on the drive shaft by the cooperation of the fixing part and the limiting ring. If it is necessary to remove the rotor from the drive shaft, the locking structure can be released by pressing the locking block, which facilitates the replacement of the rotor. Moreover, the locking structure and the rotor can prevent the rotor from slipping during operation and prevent the drive shaft from wearing. The limiting structure on the drive shaft can stably install the rotor on the drive shaft and prevent the rotor from deviating during rotation. Attached Figure Description

[0018] Figure 1 This is a structural diagram of the present utility model;

[0019] Figure 2 This is a cross-sectional view of the structure of this utility model;

[0020] Figure 3 This utility model Figure 1 Enlarged view of the structure at point A in the middle;

[0021] Figure 4 This utility model Figure 2 Enlarged view of the structure at point B in the middle.

[0022] In the diagram: 1. Drive shaft; 2. First clamping component; 3. Second clamping component; 4. Connecting ring; 5. Fixing component; 6. Slide groove; 7. Threaded hole; 8. Sliding component; 9. Bolt; 10. Groove; 11. Arc groove; 12. Clamping block; 13. Elastic component; 14. Protrusion. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present utility model, and not all of them. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figure 1-4This utility model provides an embodiment of a low-loss motor rotor connection structure, comprising a drive shaft 1: a fixing member 5 is provided at one end of the outer surface of the drive shaft 1, a locking structure is provided at the end of the outer surface of the drive shaft 1 near the fixing member 5, a connecting ring 4 is provided at the end of the outer surface of the drive shaft 1 near the locking structure, a first locking member 2 is provided at the other end of the outer surface of the drive shaft 1, a second locking member 3 is provided at the middle position of the outer surface of the drive shaft 1, and limit structures are provided at both ends of the outer surface of the drive shaft 1 near the first locking member 2 and the second locking member 3. The locking structure on the drive shaft 1 cooperates with the fixing member 5 to ensure that the rotor can be stably installed on the drive shaft 1 and to prevent the rotor from slipping during use. At the same time, the locking structure on the drive shaft 1 and the fixing member 5 cooperate to allow the rotor to be sleeved with the drive shaft 1, making it easy to assemble and disassemble the rotor. The limit structure on the drive shaft 1 cooperates with the first locking member 2 and the second locking member 3 to ensure that the motor rotor can be stably installed on the drive shaft 1 and to prevent the motor rotor from shifting on the drive shaft 1.

[0025] In this embodiment, the upper limit structure of the transmission shaft 1 includes a slide groove 6. The outer surface of the transmission shaft 1 is provided with slide grooves 6 at both ends near the first clamp 2 and the second clamp 3. Multiple threaded holes 7 are provided inside the slide groove 6. The transmission shaft 1 is slidably mounted with a sliding member 8 through the slide groove 6. Bolts 9 are provided on the sliding member 8. Through the limit structure on the transmission shaft 1, the rotor on the motor can be stably mounted on the transmission shaft 1. When the rotor rotates at high speed, it can prevent the rotor from deviating during rotation. Furthermore, the limit structure allows the transmission shaft 1 to be adapted to rotors of different sizes.

[0026] In this embodiment, the locking structure on the drive shaft 1 includes a groove 10. The groove 10 is provided at one end of the outer surface of the drive shaft 1 near the fixing member 5. The other ends of both sides of the groove 10 are provided with arc-shaped grooves 11. A locking block 12 is rotatably provided inside the groove 10. An elastic member 13 is provided at the other end of the bottom of the locking block 12. A protrusion 14 is provided at the other ends of both sides of the locking block 12. When the rotating wheel is installed on the drive shaft 1, the locking structure can lock the rotating wheel on the drive shaft 1 to prevent the rotating wheel from falling off the drive shaft 1. Moreover, the rotating wheel is quicker and more convenient to install and remove.

[0027] In this embodiment, threads are provided on the top of the outer surface of the drive shaft 1 and the bottom of the inner surface of the fixing member 5. The drive shaft 1 is threadedly connected to the fixing member 5. A limit ring is provided between the connecting ring 4 on the outer surface of the drive shaft 1 and the locking structure. The installation of the wheel is further assisted by the cooperation between the limit ring and the fixing member 5.

[0028] In this embodiment, a retaining ring is provided at the end of the outer surface of the connecting ring 4 away from the fixing member 5. The radius of the connecting ring 4 is slightly larger than the radius of the drive shaft 1. When the drive shaft 1 is connected to the motor housing, the retaining ring on the connecting ring 4 can limit the bearing and improve the stability of the drive shaft 1 installation.

[0029] In this embodiment, the sliding member 8 is slidably connected to the drive shaft 1 through the slide groove 6. The drive shaft 1 is connected to the bolt 9 through the threaded hole 7. The sliding member 8 is provided with a connecting hole. The sliding member 8 is connected to the drive shaft 1 through the connecting hole and the bolt 9. The bolt 9 fixes the position of the sliding member 8 inside the slide groove 6 to prevent the sliding member 8 from sliding inside the slide groove 6.

[0030] In this embodiment, the locking block 12 is slidably connected to the groove 10 through the arc groove 11 and the protrusion 14. The size of the groove 10 is slightly larger than the size of the locking block 12. Limiting posts are provided at the bottom of the locking block 12 and the bottom of the groove 10. The groove 10 and the locking block 12 are engaged with the elastic member 13 through the limiting posts.

[0031] Working principle: The user can fix the rotating wheel to the drive shaft 1 through the locking structure, and then further fix the rotating wheel to the drive shaft 1 through the cooperation of the fixing part 5 and the limiting ring. If it is necessary to remove the rotating wheel from the drive shaft 1, the locking structure can be released by pressing the locking block 12 to facilitate the replacement of the rotating wheel. Moreover, the locking structure and the rotating wheel can prevent the rotating wheel from slipping during operation and prevent the drive shaft 1 from wearing. The limiting structure on the drive shaft 1 can stably install the rotor on the drive shaft 1 and prevent the rotor from deviating during rotation.

[0032] For those skilled in the art, this invention is not limited to the details of the exemplary embodiments described above, and can be implemented in other specific forms without departing from the spirit or scope of this invention. Therefore, the embodiments of this invention are exemplary and not restrictive. The scope of this invention is defined by the appended claims rather than the foregoing description, and thus all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A low-loss motor rotor connection structure, comprising a drive shaft (1), characterized in that: A fixing member (5) is provided at one end of the outer surface of the transmission shaft (1). A locking structure is provided at one end of the outer surface of the transmission shaft (1) near the fixing member (5). A connecting ring (4) is provided at one end of the outer surface of the transmission shaft (1) near the locking structure. A first locking member (2) is provided at the other end of the outer surface of the transmission shaft (1). A second locking member (3) is provided at the middle position of the outer surface of the transmission shaft (1). Limiting structures are provided at both ends of the outer surface of the transmission shaft (1) near the first locking member (2) and the second locking member (3).

2. The low-loss motor rotor connection structure according to claim 1, characterized in that: The upper limit structure of the drive shaft (1) includes a slide groove (6). The outer surface of the drive shaft (1) is provided with slide grooves (6) at both ends near the first clamp (2) and the second clamp (3). The slide groove (6) is provided with multiple threaded holes (7). The drive shaft (1) is slidably provided with a sliding member (8) through the slide groove (6). The sliding member (8) is provided with bolts (9).

3. The low-loss motor rotor connection structure according to claim 1, characterized in that: The locking structure on the drive shaft (1) includes a groove (10). The outer surface of the drive shaft (1) near the fixing member (5) has a groove (10). The other ends of both sides of the groove (10) are provided with arc grooves (11). A locking block (12) is rotatably provided inside the groove (10). The other end of the bottom of the locking block (12) is provided with an elastic member (13). The other ends of both sides of the locking block (12) are provided with protrusions (14).

4. The low-loss motor rotor connection structure according to claim 1, characterized in that: The top of the outer surface of the drive shaft (1) and the bottom of the inner surface of the fixing member (5) are both provided with threads. The drive shaft (1) is threadedly connected to the fixing member (5) through the threads. A limit ring is provided between the connecting ring (4) on the outer surface of the drive shaft (1) and the locking structure.

5. The low-loss motor rotor connection structure according to claim 1, characterized in that: The outer surface of the connecting ring (4) is provided with a retaining ring at the end away from the fixing member (5), and the radius of the connecting ring (4) is slightly larger than the radius of the transmission shaft (1).

6. The low-loss motor rotor connection structure according to claim 2, characterized in that: The sliding member (8) is slidably connected to the transmission shaft (1) through the sliding groove (6). The transmission shaft (1) is connected to the bolt (9) through the threaded hole (7). The sliding member (8) is provided with a connecting hole. The sliding member (8) is connected to the transmission shaft (1) through the connecting hole and the bolt (9).

7. The low-loss motor rotor connection structure according to claim 3, characterized in that: The locking block (12) is slidably connected to the groove (10) through the arc groove (11) and the protrusion (14). The size of the groove (10) is slightly larger than the size of the locking block (12). The bottom of the locking block (12) and the bottom of the groove (10) are both provided with limiting posts. The groove (10) and the locking block (12) are engaged with the elastic element (13) through the limiting posts.

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