CN-122001141-A - Motor shock-absorbing structure and motor

CN122001141ACN 122001141 ACN122001141 ACN 122001141ACN-122001141-A

Abstract

The invention relates to a motor damping structure and a motor, wherein the motor damping structure comprises an annular damping hub, a plurality of first clamping parts, a plurality of second clamping parts, a plurality of first clamping parts and a plurality of second clamping parts, wherein the damping hub is arranged on a motor body in a sleeved mode, the second clamping parts are matched and clamped with the corresponding first clamping parts, one of the first clamping parts and the second clamping parts is arranged on the inner wall of the damping hub, the other one of the first clamping parts and the second clamping parts is arranged on the outer wall of the motor body, the first clamping parts are clamping holes, and the second clamping parts are protruding blocks capable of being clamped in the clamping holes. The invention solves the technical problem of poor assembly stability of the damping hub and the motor.

Inventors

YU XIANZHANG
GUO BING
JIAO BINGFU

Assignees

尼得科电机（青岛）有限公司

Dates

Publication Date: 20260508
Application Date: 20241101

Claims (14)

1. A motor shock absorbing structure, characterized in that the motor shock absorbing structure comprises: The annular damping wheel hub is used for being sleeved on the motor body; A plurality of first clamping parts; A plurality of second clamping parts are arranged on the connecting rod, the plurality of second clamping parts are matched and clamped with the corresponding first clamping parts; one of the first clamping parts and the second clamping parts is arranged on the inner wall of the damping hub, and the other is arranged on the outer wall of the motor body; the first clamping part is a clamping hole, and the second clamping part is a protruding block which can be clamped in the clamping hole.
2. The motor vibration reducing structure according to claim 1, wherein a plurality of the snap-fit holes are provided at intervals along a circumferential direction of the motor body at end portions of the motor body or at positions near the end portions of the motor body; The plurality of protruding blocks are arranged on the inner wall of the shock absorption hub at intervals along the circumferential direction of the shock absorption hub; When the shock attenuation wheel hub cover is located the tip outside of motor body, a plurality of the lug respectively interference fit is gone into correspondingly in the joint hole, through the lug with the counterpoint cooperation of joint hole, in order to right shock attenuation wheel hub is in circumferential position and the axial position on the motor body lock.
3. The motor vibration absorbing structure of claim 2, wherein the clamping hole is a through hole or a blind hole formed on the outer wall of the motor body.
4. The motor damper structure according to claim 2, wherein a diameter of a circular ring formed by the wall surface of the plurality of protruding blocks facing away from the damper hub is smaller than a diameter of an end of the motor body or a position close to the end of the motor body along a circumferential direction of the damper hub, and when the damper hub is sleeved on the motor body, the damper hub is enlarged by the motor body and deformed, so that the plurality of protruding blocks are respectively extruded into the corresponding clamping holes.
5. The motor vibration-damping structure according to claim 4, wherein the diameter of the ring formed by the plurality of projections on the side facing away from the vibration-damping boss is in the range of 0.1mm to 6mm from the diameter of the end of the motor body or the position near the end of the motor body.
6. The motor shock absorbing structure of claim 1, wherein the shock absorbing hub comprises a fixing ring and a shock absorbing ring, the fixing ring is sleeved on the periphery of the shock absorbing ring along the circumferential direction of the shock absorbing ring, and the plurality of second clamping parts are arranged on the inner wall of the shock absorbing ring at intervals along the circumferential direction of the shock absorbing ring.
7. An electric machine, the electric machine comprising A motor body; The end cover is covered on the outer side of the motor body and is connected with the motor body; the motor vibration reducing structure according to any one of claims 1 to 6, being connected to the motor body through the end cap.
8. The motor of claim 7, wherein the motor body comprises a motor rotor and a motor stator disposed around the outer periphery of the motor rotor; The number of the end covers is two, the two end covers are respectively covered on two shaft side ends of the motor body and are respectively connected with the motor stator, and damping hubs in the motor damping structure are arranged on the end covers.
9. The motor of claim 8, wherein the end cover comprises an end panel and a plurality of side panels, the side panels are in a leg-shaped structure, the plurality of side panels are distributed at intervals along the circumferential direction of the end panel, one ends of the plurality of side panels are respectively connected with the edges of the end panel, the other ends of the plurality of side panels respectively extend to the position of the motor stator and are connected with the motor stator, and the two end covers are matched to cover the motor rotor inside the two end covers; the end plate is provided with a permeation hole, and the permeation hole is used for the output shaft of the motor body to pass through.
10. The motor of claim 9, wherein the end plate has a concave annular groove on an outer wall thereof and located at an outer circumference of the penetration hole to form an annular boss on the outer wall thereof and located at the outer circumference of the penetration hole, and an inner side of the annular boss forms a mounting space for accommodating a bearing.
11. The motor of claim 9 wherein said end panel outer wall and/or said side panel outer wall includes a plurality of ribs thereon.
12. The motor of claim 9, further comprising a supporting member including a cylindrical mounting portion and a ring-shaped connecting portion, the connecting portion being disposed around an outer side of the mounting portion and connected to one end of the mounting portion, the connecting portion being connected to an outer wall of the end plate to connect the mounting portion to the end cover and a hollow region of the mounting portion being penetrated through the penetration hole, the first clamping portion of the motor shock absorbing structure being disposed on the mounting portion; And the damping hubs in the motor damping structure are matched and connected with the supporting piece.
13. The motor of claim 12, wherein the support member is one of a metallic material, a thermosetting material, and a thermoplastic material.
14. The motor of claim 8, further comprising a terminal block, wherein the end cap is provided with a mounting plate, and wherein the terminal block is mounted to the end cap via the mounting plate.

Description

Motor shock-absorbing structure and motor Technical Field The invention belongs to the technical field of equipment motors, and particularly relates to a motor damping structure and a motor. Background At present, in order to ensure the stability of the motor (such as the motor for the dryer) after being installed, before the motor is installed on the bracket, a damping hub needs to be arranged at the end part of the motor, so that a certain buffering and damping effect can be achieved when the motor works. The connection structure of the motor and the shock absorbing hub is shown in fig. 1, an annular connection part 10 is formed at the end part of the motor, the annular shock absorbing hub 20 is sleeved on the periphery of the connection part 10, the inner wall of the shock absorbing hub 20 is attached to the outer wall of the connection part 10, then the end part of the connection part 10 and an annular boss 40 on the end surface of the shock absorbing hub 20 are clamped through a cover (made of iron materials) 30 with an annular clamping groove, namely, the end part of the connection part 10 and the annular boss 40 on the end surface of the shock absorbing hub 20 are clamped in a clamping groove on the cover 30 together, or a motor end cover can be riveted to fix the shock absorbing hub 20 and the motor. In addition, the positioning of the shock-absorbing hub 20 and the motor only through the cover 30 requires to ensure that the motor, the shock-absorbing hub 20 and the cover 30 have higher matching degree in size, otherwise, the stability of the installation of the shock-absorbing hub 20 is difficult to ensure, once the cover 30 falls off, the shock-absorbing hub 20 is very easy to separate from the motor, and the stable connection between the shock-absorbing hub 20 and the motor cannot be ensured. Aiming at the problem of poor assembly stability of the damping hub and the motor in the related art, no effective solution is provided at present. Therefore, the inventor provides a motor damping structure and a motor by virtue of experience and practice of related industries for many years so as to overcome the defects of the prior art. Disclosure of Invention The invention aims to provide a motor damping structure and a motor, which are simple in structure, and can ensure the stability of assembly of a damping hub and a motor body and avoid the situation that the damping hub is separated from the motor body. The object of the invention can be achieved by the following scheme: the invention provides a motor damping structure, which comprises: The annular damping wheel hub is used for being sleeved on the motor body; A plurality of first clamping parts; A plurality of second clamping parts are arranged on the connecting rod, the plurality of second clamping parts are matched and clamped with the corresponding first clamping parts; one of the first clamping parts and the second clamping parts is arranged on the inner wall of the damping hub, and the other is arranged on the outer wall of the motor body; the first clamping part is a clamping hole, and the second clamping part is a protruding block which can be clamped in the clamping hole. In a preferred embodiment of the present invention, the plurality of clamping holes are disposed at intervals along the circumferential direction of the motor body at the end of the motor body or at positions close to the end of the motor body; The plurality of protruding blocks are arranged on the inner wall of the shock absorption hub at intervals along the circumferential direction of the shock absorption hub; When the shock attenuation wheel hub cover is located the tip outside of motor body, a plurality of the lug respectively interference fit is gone into correspondingly in the joint hole, through the lug with the counterpoint cooperation of joint hole, in order to right shock attenuation wheel hub is in circumferential position and the axial position on the motor body lock. In a preferred embodiment of the present invention, the clamping hole is a through hole or a blind hole formed on the outer wall of the motor body. In a preferred embodiment of the present invention, along a circumferential direction of the damper hub, a diameter of a ring formed by a wall surface of the plurality of protruding blocks facing away from one side of the damper hub is smaller than a diameter of an end portion of the motor body or a position near the end portion of the motor body, and when the damper hub is sleeved on the motor body, the damper hub is enlarged by the motor body and deformed, so that the plurality of protruding blocks are respectively pressed into the corresponding clamping holes. In a preferred embodiment of the present invention, a diameter of a ring formed by the plurality of protruding blocks and a diameter of a ring formed by the wall surface of the side of the protruding blocks facing away from the damping hub and a diameter of an end portion of the motor body or