End cover connecting device of claw-pole permanent magnet motor

Abstract

The utility model provides an end cover connecting device of a claw pole type permanent magnet motor, and relates to the technical field of permanent magnet motors, the end cover connecting device comprises a motor body, one side of the motor body is sleeved with an end cover through a fixing assembly, the fixing assembly comprises a fixing ring, the fixing ring is sleeved and installed on the surface of the motor body, and the end cover is sleeved and installed on the surface of the motor body. The screw caps are inserted into the corresponding sliding grooves, the end covers are rotated to drive the connecting rods to move, the connecting rods drive the screw caps to move and stop in the sliding grooves, and then the rotating rings are rotated to drive the screw caps to move and stop in the sliding grooves, so that the screw caps are inserted into the corresponding sliding grooves, and the screw caps are inserted into the sliding grooves. The rotating ring drives the inner gear ring to rotate, the inner gear ring drives the gears to rotate, the gears drive the corresponding threaded rods to rotate, the threaded rods are installed on the corresponding nuts in a threaded connection mode, rapid fixing of the motor end cover is completed, and manpower resources are saved.

Description

Technical Field

[0001] The utility model relates to the technical field of permanent magnet motors, in particular to an end cover connecting device of a claw pole permanent magnet motor. Background Art

[0002] Permanent magnet motor is a new type of motor that uses permanent magnets as the excitation source and eliminates the complex excitation device in traditional motors. Therefore, it has the characteristics of high efficiency and high power density and has been widely used in various fields. During the operation of the permanent magnet motor, in order to fix and support the rotating shaft inside the motor, a motor end cover fixed by a connecting device needs to be installed at the tail.

[0003] In the prior art, a patent with announcement number CN214674720U records a permanent magnet synchronous motor end cover connection device, which includes a motor body and an end cover body, a sealing ring is fixedly installed on the top of the motor body, the end cover body is movably sealed and sleeved on the outside of the sealing ring, and the bottom of the end cover body is movably abutted against the top of the motor body, and a fixing plate is fixedly installed on the top of both sides of the motor body, and vertical grooves are provided on the tops of the two fixing plates. The utility model installs and fixes the end cover of the permanent magnet synchronous motor by clamping the clamping plate and the clamping groove, and facilitates the disassembly of the end cover, thereby facilitating the maintenance of the motor.

[0004] However, the device still has some problems. For example, the motor end cover is installed on the permanent magnet synchronous motor by turning the threaded rod with a knob. In actual application, the permanent magnet motor will vibrate when working, and the vibration will cause the threaded rod to loosen. The device is not equipped with a corresponding threaded rod anti-falling structure. During use, the threaded rod may fall off, causing loosening and unstable fixation. Utility Model Content

[0005] In view of the deficiencies in the prior art, the present application provides an end cover connection device for a claw-pole permanent magnet motor that is easy to quickly fix and install and has high operating stability.

[0006] The technical solution adopted by the utility model to solve the above technical problems is:

[0007] The end cover connecting device of the claw-pole permanent magnet motor comprises a motor body, one side of the motor body is sleeved with an end cover through a fixing component, the fixing component comprises a fixing ring, the fixing ring is sleeved and installed on the surface of the motor body, the surface of the fixing ring is provided with a plurality of slide grooves, plug-in units are installed in the plurality of slide grooves, a moving ring is sleeved on the surface of the motor body, a fastening component is rotatably installed on the side of the moving ring, a rotating ring is rotatably installed on one side of the moving ring, and a limiting component is installed on the surface of the rotating ring.

[0008] Furthermore, the plug-in unit includes a plurality of nuts, a connecting rod is installed on the same side of the plurality of nuts, the plurality of connecting rods are installed on one side of the end cover, the plurality of slide grooves match the plurality of nuts, a mounting ring is installed on one side of the end cover, and a plurality of fixing holes are opened on the surface of the mounting ring.

[0009] Furthermore, the fastening assembly includes a plurality of threaded rods, the plurality of threaded rods correspond to the plurality of nuts, and a quick fixing unit is installed on the inner wall of the rotating ring.

[0010] Furthermore, the quick fixing unit includes an inner gear ring, which is installed on the inner wall of the rotating ring. A plurality of gears are rotatably installed on one side of the movable ring. The plurality of gears are fixedly connected to the plurality of threaded rods respectively, and the plurality of gears are all meshed with the inner gear ring.

[0011] Furthermore, the limiting assembly includes a mounting tube, which is mounted on the surface of the rotating ring, a sliding plate is slidably mounted on the inner wall of the mounting tube, a mounting hole is provided on the surface of the sliding plate, a plug-in rod is installed in the mounting hole, an avoidance hole is provided on the surface of the rotating ring, the plug-in rod is adapted to the fixing hole, and a rebound unit is installed on the surface of the plug-in rod.

[0012] Furthermore, the rebound unit includes a spring, which is sleeved on the surface of the plug-in rod. A sealing cover is installed on the inner wall of the installation cylinder. A sliding hole is opened on the surface of the sealing cover, and the plug-in rod is slidably installed in the sliding hole.

[0013] Furthermore, a pull rod is installed on the top end of the plug-in rod.

[0014] Compared with the prior art, the advantages of the utility model are:

[0015] 1. The present application inserts the nut into the corresponding slide groove and rotates the end cover to drive the connecting rod to move, the connecting rod drives the nut to move and stops in the slide groove, and then moves the rotating ring, the rotating ring drives the moving ring to move, the moving ring drives the gear to move, the gear drives the threaded rod to move, so that the threaded rod corresponds to the nut matched with it, and by rotating the rotating ring, the rotating ring drives the inner gear ring to rotate, the inner gear ring drives several gears to rotate, the gear drives the corresponding threaded rod to rotate, and the threaded rod is screwed and installed on the corresponding nut to complete the rapid fixation of the motor end cover.

[0016] 2. Pull the pull rod to drive the plug-in rod to move upward, align the avoidance hole with the fixed hole, and release the pull rod. The reaction force of the spring will drive the sliding plate to move, and the sliding plate will drive the plug-in rod to move downward, pass through the avoidance hole and be installed on the fixed hole, thereby limiting the rotating ring and greatly reducing the loosening of the threaded rod caused by the vibration of the motor during operation, resulting in unstable fixation of the end cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0018] Figure 2 It is a schematic diagram of the explosion structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the end cover structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the mobile ring and its related structures of the utility model.

[0021] In the figure: 1. Motor body; 2. Spring; 3. Fixed ring; 4. Slide groove; 5. End cover; 6. Mounting ring; 7. Connecting rod; 8. Nut; 9. Fixing hole; 10. Sealing cover; 11. Moving ring; 12. Rotating ring; 13. Internal gear ring; 14. Gear; 15. Threaded rod; 16. Mounting cylinder; 17. Sliding plate; 18. Connecting rod; 19. Pull rod. DETAILED DESCRIPTION

[0022] The technical solution of the utility model will be clearly and completely described below in conjunction with the accompanying drawings.

[0023] Example 1: Figure 1-4 The end cover connecting device of the claw-pole permanent magnet motor shown in the figure includes a motor body 1, one side of the motor body 1 is sleeved with an end cover 5 through a fixing component, the fixing component includes a fixing ring 3, the fixing ring 3 is sleeved and installed on the surface of the motor body 1, the surface of the fixing ring 3 is provided with a plurality of slide grooves 4, and plug-in units are installed in the plurality of slide grooves 4, a moving ring 11 is sleeved on the surface of the motor body 1, a fastening component is rotatably installed on the side of the moving ring 11, a rotating ring 12 is rotatably installed on one side of the moving ring 11, and a limiting component is installed on the surface of the rotating ring 12.

[0024] Based on the above structure, the end cover 5 is initially installed by correspondingly plugging the plug-in units into a number of slide grooves 4 and rotating the end cover 5, and then the movable ring 11 and the end cover 5 are fastened by the fastening assembly and the rotating ring 12, and the end cover 5 is further fixed and installed, and finally the rotating ring 12 is quickly limited by the limiting assembly to lock the rotating ring 12 to prevent the screw from loosening.

[0025] like Figure 2 and3 As shown, the plug-in unit includes a plurality of nuts 8, a connecting rod 7 is installed on the same side of the plurality of nuts 8, the plurality of connecting rods 7 are installed on one side of the end cover 5, a plurality of slide grooves 4 match the plurality of nuts 8, a mounting ring 6 is installed on one side of the end cover 5, a plurality of fixing holes 9 are opened on the surface of the mounting ring 6, one side of the slide groove 4 has a circular radius matching the nut 8, and the other part is U-shaped, and its radius is adapted to the connecting rod 7, so that when the nut 8 is plugged into the fixing ring 3, the end cover 5 can rotate smoothly.

[0026] Example 2: Figure 4 As shown, the fastening assembly includes a plurality of threaded rods 15, and the plurality of threaded rods 15 correspond to the plurality of nuts 8. A quick fixing unit is installed on the inner wall of the rotating ring 12, and the quick fixing unit includes an inner gear ring 13, and the inner gear ring 13 is installed on the inner wall of the rotating ring 12. A plurality of gears 14 are rotatably installed on one side of the movable ring 11, and the plurality of gears 14 are fixedly connected with the plurality of threaded rods 15 correspondingly, and the plurality of gears 14 are all meshed with the inner gear ring 13. The inner gear ring 13 is the prior art, and its inner ring is provided with teeth, and the teeth are meshed with the plurality of gears 14. When the inner gear ring 13 rotates, it can drive the meshed gears 14 to rotate in one direction, thereby saving the installation steps.

[0027] like Figure 4 As shown, the limiting assembly includes a mounting cylinder 16, which is mounted on the surface of the rotating ring 12, a sliding plate 17 is slidably mounted on the inner wall of the mounting cylinder 16, a mounting hole is provided on the surface of the sliding plate 17, a plug-in rod 18 is installed in the mounting hole, an avoidance hole is provided on the surface of the rotating ring 12, the plug-in rod 18 is adapted to the fixing hole 9, a rebound unit is installed on the surface of the plug-in rod 18, the rebound unit includes a spring 2, the spring 2 is sleeved on the surface of the plug-in rod 18, a sealing cover 10 is installed on the inner wall of the mounting cylinder 16, a sliding hole is provided on the surface of the sealing cover 10, and the plug-in rod 18 is slidably mounted in the sliding hole.

[0028] like Figure 4 As shown, a pull rod 19 is installed at the top end of the plug rod 18, and the plug rod 18 can be pulled by the pull rod 19 to move.

[0029] The working principle of the utility model is as follows: first, the end cover 5 is moved to drive the connecting rod 7 to move, the connecting rod 7 drives the nut 8 to move, the nut 8 is inserted into the corresponding slide groove 4 and the end cover 5 is rotated to drive the connecting rod 7 to move, the connecting rod 7 drives the nut 8 to move and stops in the slide groove 4, then the rotating ring 12 is moved to drive the moving ring 11 to move, and then the gear 14 is driven to move, the gear 14 drives the threaded rod 15 to move, so that the threaded rod 15 corresponds to the nut 8 matched with it; the pull rod 19 is pulled upward to drive the plug rod 18 to move upward, and the rotating ring 12 is moved to drive the moving ring 11 to move, and then the gear 14 is driven to move, and ... plug rod 18 to move upward, and the rotating ring 12 is moved to drive the plug rod 18 to move upward, and the rotating ring 12 is moved to drive the plug rod 18 to move upward, and the rotating ring 12 is moved to drive the plug rod 18 to move upward, and the rotating ring 12 is moved to drive the plug rod 18 to move upward, and the rotating ring 12 is moved to drive the plug rod 18 to move upward, and the rotating ring 12 is moved to drive the plug rod 18 The moving ring 12 drives the inner gear ring 13 to rotate, the inner gear ring 13 drives several gears 14 to rotate, the gear 14 drives its corresponding threaded rod 15 to rotate, and the threaded rod 15 is screwed and installed on the corresponding nut 8 to complete the quick fixation of the motor end cover 5; align the avoidance hole with the fixing hole 9, loosen the pull rod 19, and drive the sliding plate 17 to move through the reaction force of the spring 2. The sliding plate 17 drives the plug-in rod 18 to move downward, passes through the avoidance hole and is plugged and installed on the fixing hole 9, thereby limiting the rotating ring 12 to complete the installation of the end cover 5.

[0030] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Those skilled in the art may modify or replace the technical solutions described in the aforementioned embodiments. Any modifications, equivalent replacements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. An end cover connection device for a claw-pole permanent magnet motor, comprising a motor body (1), characterized in that: One side of the motor body (1) is sleeved with an end cover (5) via a fixing component; The fixing assembly comprises a fixing ring (3), the fixing ring (3) being sleeved and mounted on the surface of the motor body (1), the surface of the fixing ring (3) being provided with a plurality of sliding grooves (4), and plug-in units being mounted in the plurality of sliding grooves (4); A moving ring (11) is sleeved on the surface of the motor body (1), and a fastening component is rotatably mounted on the side of the moving ring (11); A rotating ring (12) is rotatably mounted on one side of the moving ring (11), and a limiting component is mounted on the surface of the rotating ring (12).

2. The end cover connecting device of the claw-pole permanent magnet motor according to claim 1, characterized in that: The plug-in unit comprises a plurality of nuts (8), a connecting rod (7) is installed on the same side of the plurality of nuts (8), the plurality of connecting rods (7) are installed on one side of the end cover (5), the plurality of slide grooves (4) match the plurality of nuts (8), a mounting ring (6) is installed on one side of the end cover (5), and a plurality of fixing holes (9) are provided on the surface of the mounting ring (6).

3. The end cover connection device of the claw-pole permanent magnet motor according to claim 2, characterized in that: The fastening assembly comprises a plurality of threaded rods (15), the plurality of threaded rods (15) corresponding to the plurality of nuts (8), and a quick fixing unit is installed on the inner wall of the rotating ring (12).

4. The end cover connection device of the claw-pole permanent magnet motor according to claim 3, characterized in that: The quick fixing unit comprises an inner gear ring (13), wherein the inner gear ring (13) is mounted on the inner wall of the rotating ring (12), and a plurality of gears (14) are rotatably mounted on one side of the moving ring (11), wherein the plurality of gears (14) are correspondingly fixedly connected to the plurality of threaded rods (15), and the plurality of gears (14) are all meshed with the inner gear ring (13).

5. The end cover connecting device of the claw-pole permanent magnet motor according to claim 2, characterized in that: The limit assembly comprises a mounting tube (16), the mounting tube (16) being mounted on the surface of the rotating ring (12), a sliding plate (17) being slidably mounted on the inner wall of the mounting tube (16), a mounting hole being provided on the surface of the sliding plate (17), a plug-in rod (18) being mounted in the mounting hole, an avoidance hole being provided on the surface of the rotating ring (12), the plug-in rod (18) being adapted to the fixing hole (9), and a rebound unit being mounted on the surface of the plug-in rod (18).

6. The end cover connecting device of the claw-pole permanent magnet motor according to claim 5, characterized in that: The rebound unit comprises a spring (2), the spring (2) being sleeved on the surface of the plug-in rod (18), a sealing cover (10) being installed on the inner wall of the mounting tube (16), a sliding hole being provided on the surface of the sealing cover (10), and the plug-in rod (18) being slidably installed in the sliding hole.

7. The end cover connecting device of the claw-pole permanent magnet motor according to claim 6, characterized in that: A pull rod (19) is installed at the top end of the plug-in rod (18).

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