CN220302588U

CN220302588U - Novel electromagnetic clutch

Info

Publication number: CN220302588U
Application number: CN202321987214.3U
Authority: CN
Inventors: 孟大军
Original assignee: Kruger Intelligent Technology Zhongshan Co ltd
Current assignee: Kruger Intelligent Technology Zhongshan Co ltd
Priority date: 2023-07-26
Filing date: 2023-07-26
Publication date: 2024-01-05
Anticipated expiration: 2033-07-26

Abstract

The utility model discloses a novel electromagnetic clutch, which has the technical scheme that the novel electromagnetic clutch comprises a stator and an input shaft rotatably connected with the stator, wherein a plurality of electromagnets, a PCB slip ring for supplying power to the electromagnets and armatures capable of axially moving and being adsorbed at the end parts of the electromagnets to drive the electromagnets to rotate after the electromagnets are electrified are respectively arranged along the axial direction of the input shaft, the electromagnets are rotatably sleeved on the input shaft, the armatures rotate along with the input shaft, a rotor is fixedly connected to the electromagnets, the rotor is sleeved on the electromagnets, and an output shaft is fixedly connected to the rotor. Simple structure and stable joint.

Description

Novel electromagnetic clutch

Technical Field

The utility model relates to a novel electromagnetic clutch.

Background

The conventional electromagnetic clutch has the defects that when the electromagnetic clutch is engaged, the electromagnetic force generated by electrifying the electromagnetic coil compresses the friction force generated by the driving friction plate and the driven friction plate to transfer torque, and when the torque is transferred, the radial size of the input disc and the driven disc is required to be increased, the electrifying current of the electromagnetic coil is increased, the number of the driving friction plate and the driven friction plate is increased, so that the rotating speed is low, the power consumption is high and the like.

The above information disclosed in the background section is only for enhancement of understanding of the background of the utility model and therefore it may contain information that does not form the prior art that is already known to a person of ordinary skill in the art.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide a novel electromagnetic clutch which can increase torque without increasing diameter.

The utility model is realized by the following technical scheme:

a novel electromagnetic clutch, characterized in that: the electromagnetic iron comprises a stator 1 and an input shaft 5 rotatably connected with the stator 1, wherein a plurality of electromagnets 3, a PCB slip ring 2 for supplying power to the electromagnets 3 and an armature 4 capable of axially moving and being adsorbed at the end parts of the electromagnets 3 to drive the electromagnets to rotate after the electromagnets 3 are electrified are respectively arranged in the axial direction of the input shaft 5, the electromagnets 3 are rotatably sleeved on the input shaft 5, the armature 4 rotates along with the input shaft 5, a rotor 6 is fixedly connected to the electromagnets 3, the rotor 6 is sleeved on the electromagnets 3, and an output shaft 10 is fixedly connected to the rotor 6.

The novel electromagnetic clutch is characterized in that: the PCB slip ring 2 comprises a fixed end slip ring 201 fixedly connected with the stator 1 and a rotating end slip ring 202 fixedly connected with the electromagnet 3, wherein the rotating end slip ring 202 is provided with a copper brush 203 electrically connected with the fixed end slip ring 201.

The novel electromagnetic clutch is characterized in that: the fixed end slip ring 201 is connected with the fixed end slip ring 201 through a plurality of first screws 11, and the rotating end slip ring 202 is fixedly connected with the electromagnet 3 through a plurality of second screws 12.

The novel electromagnetic clutch is characterized in that: the armature 4 is sleeved on the input shaft 5 and is mounted through a key 7.

The novel electromagnetic clutch is characterized in that: the electromagnet 3 is fixedly connected with the rotor 6 by a plurality of third screws 13.

The novel electromagnetic clutch is characterized in that: the electromagnet 3 is bonded to the rotor 6.

The novel electromagnetic clutch is characterized in that: the electromagnet 3 is provided with one, and the armature 4 is correspondingly provided with one.

The novel electromagnetic clutch is characterized in that: the electromagnets 3 are provided with two and are electrically connected in series, and the armatures 4 are correspondingly provided with two.

The novel electromagnetic clutch is characterized in that: the input shaft 5 is connected to the stator 1 via a bearing 8.

The novel electromagnetic clutch is characterized in that: the input shaft 5 is connected to the stator 1 via a sleeve 9.

Compared with the prior art, the utility model has the following advantages:

the electromagnetic clutch can increase torque without increasing diameter, has simple structure, stable joint, no impact, large transmission torque and low power consumption, and is suitable for high-speed operation.

Drawings

FIG. 1 is a front view of a first embodiment of the present utility model;

FIG. 2 is a cross-sectional view taken along the direction A-A in FIG. 1;

FIG. 3 is a cross-sectional view taken in the direction B-B of FIG. 1;

FIG. 4 is an exploded view of a first embodiment of the present utility model;

fig. 5 is a front view of a second embodiment of the present utility model;

FIG. 6 is a cross-sectional view taken along the direction C-C in FIG. 5;

FIG. 7 is a cross-sectional view taken along the direction D-D in FIG. 5;

FIG. 8 is an exploded view of a second embodiment of the present utility model;

fig. 9 is a front view of a third embodiment of the present utility model;

FIG. 10 is a cross-sectional view taken along the direction E-E in FIG. 9;

FIG. 11 is a cross-sectional view taken in the direction F-F in FIG. 9;

FIG. 12 is an exploded view of a third embodiment of the present utility model;

fig. 13 is a front view of a fourth embodiment of the present utility model;

FIG. 14 is a cross-sectional view taken in the direction G-G of FIG. 13;

FIG. 15 is a cross-sectional view taken along the direction H-H in FIG. 13;

fig. 16 is an exploded view of a fourth embodiment of the present utility model.

In the figure: 1 is a stator; 2 is a PCB slip ring; 201 is a fixed end slip ring; 202 is a rotating end slip ring; 203 is a copper brush; 3 is an electromagnet; 4 is an armature; 5 is an input shaft; 6 is a rotor; 7 is a bond; 8 is a bearing; 9 is a shaft sleeve; 10 is an output shaft; 11 is a first screw; 12 is a second screw; 13 is a third screw; 14 is a first clamp spring; 15 is a second snap spring.

Detailed Description

The technical features of the present utility model are described in further detail below with reference to the accompanying drawings so that those skilled in the art can understand the features.

The utility model provides a novel electromagnetic clutch, includes stator 1, with stator 1 rotatable coupling's input shaft 5, follows the axial of input shaft 5 is equipped with a plurality of electro-magnet 3 respectively, for the PCB sliding ring 2 of electro-magnet 3 power supply, can axial displacement adsorb at the tip of electro-magnet 3 and then drive its pivoted armature 4 after electro-magnet 3 circular telegram, electro-magnet 3 rotationally overlaps and establishes on input shaft 5, armature 4 follows input shaft 5 rotates together, fixedly connected with rotor 6 on electro-magnet 3, rotor 6 cover is established on electro-magnet 3, fixedly connected with output shaft 10 on the rotor 6.

The PCB slip ring 2 is used for supplying power to the electromagnet 3 when the stator 1 and the rotor 6 move relatively, and the output shaft 10 can output power when the electromagnet 3 is electrified. After the electromagnet 3 is electrified, the armature 4 is slightly and axially slid and attracted at the end part of the electromagnet 3 so as to drive the electromagnet 3 to rotate, and the electromagnet 3 drives the rotor 6 and the output shaft 10 to rotate. The armature 4 drives the electromagnet 3 to rotate through friction force, and when the friction force of one electromagnet 3 and the armature 4 is insufficient to drive the rotor 6 to rotate, a plurality of electromagnets 3 and armatures 4 can be added for combination, so that the torque can be increased without changing the diameter of the clutch.

Further, the PCB slip ring 2 includes a fixed end slip ring 201 fixedly connected with the stator 1 and a rotating end slip ring 202 fixedly connected with the electromagnet 3, and a copper brush 203 electrically connected with the fixed end slip ring 201 is disposed on the rotating end slip ring 202. The fixed end slip ring 201 is connected with the fixed end slip ring 201 through a plurality of first screws 11, and the rotating end slip ring 202 is fixedly connected with the electromagnet 3 through a plurality of second screws 12. The fixed end slip ring 201 is fixed when energized, and the rotating end slip ring 202 rotates together with the electromagnet 3.

The armature 4 is sleeved on the input shaft 5 and is installed through a key 7, a key groove matched with the key 7 is formed in the armature 4, the key 7 is a flat key and is used for limiting the armature 4 to only slightly slide towards the electromagnet 3 along the axial direction so as to be adsorbed at the end part of the electromagnet 3 after the electromagnet 3 is electrified and drive the electromagnet 3 to rotate by friction force. When the electromagnet 3 is not energized, the electromagnet 3 is separated from the armature 4.

Further, the electromagnet 3 is fixedly connected with the rotor 6 through a plurality of third screws 13, and the electromagnet 3 and the rotor 6 can be bonded.

The number of the armatures 4 is preferably the same as the number of the electromagnets 3, for example, the electromagnets 3 are two and comprise a first electromagnet and a second electromagnet, the armatures 4 are correspondingly provided with two and comprise a first armature and a second armature, and after the electromagnets are electrified, the first armature is adsorbed at the end part of the first electromagnet, and the second armature is adsorbed at the end part of the second electromagnet.

The input shaft 5 is connected with the stator 1 through a bearing 8 and positions the bearing 8 through a first clamping spring 14, and the bearing 8 is preferably a single-row deep groove ball bearing; or the input shaft 5 is connected with the stator 1 through a shaft sleeve 9, and the shaft sleeve 9 is positioned through a second clamping spring 15.

The present patent embodiment includes four, embodiment one: the clutch comprises an electromagnet 3, and an input shaft 5 is rotatably connected with a stator 1 through a shaft sleeve 9;

embodiment two: the clutch comprises an electromagnet 3, and an input shaft 5 is rotatably connected with a stator 1 through a bearing 8;

embodiment III: the clutch comprises two electromagnets 3 connected in series, and an input shaft 5 is rotatably connected with a stator 1 through a shaft sleeve 9;

embodiment four: the clutch comprises electromagnets 3 connected in series, and an input shaft 5 is rotatably connected with the stator 1 through a bearing 8.

The embodiments of the present utility model are merely described in terms of preferred embodiments of the present utility model, and are not intended to limit the scope and spirit of the present utility model, but various modifications and improvements of the technical solutions of the present utility model will be apparent to those skilled in the art without departing from the design concept of the present utility model.

Claims

1. A novel electromagnetic clutch, characterized in that: including stator (1), with stator (1) rotatable coupling's input shaft (5), follow the axial of input shaft (5) is equipped with a plurality of electro-magnet (3) respectively, for PCB sliding ring (2) of electro-magnet (3) power supply, can axial displacement adsorb in the tip of electro-magnet (3) and then drive its pivoted armature (4) after electro-magnet (3) circular telegram, electro-magnet (3) rotationally cover is established on input shaft (5), armature (4) follow input shaft (5) are together rotated, fixedly connected with rotor (6) on electro-magnet (3), rotor (6) cover is established on electro-magnet (3), fixedly connected with output shaft (10) on rotor (6).

2. The novel electromagnetic clutch according to claim 1, wherein: the PCB slip ring (2) comprises a fixed end slip ring (201) fixedly connected with the stator (1) and a rotating end slip ring (202) fixedly connected with the electromagnet (3), and a copper brush (203) electrically connected with the fixed end slip ring (201) is arranged on the rotating end slip ring (202).

3. The novel electromagnetic clutch according to claim 2, wherein: the fixed end slip ring (201) is connected with the fixed end slip ring (201) through a plurality of first screws (11), and the rotating end slip ring (202) is fixedly connected with the electromagnet (3) through a plurality of second screws (12).

4. The novel electromagnetic clutch according to claim 1, wherein: the armature (4) is sleeved on the input shaft (5) and is installed through a key (7).

5. The novel electromagnetic clutch according to claim 1, wherein: the electromagnet (3) is fixedly connected with the rotor (6) through a plurality of third screws (13).

6. The novel electromagnetic clutch according to claim 1, wherein: the electromagnet (3) is bonded with the rotor (6).

7. The novel electromagnetic clutch according to claim 4, wherein: the electromagnet (3) is provided with one armature (4) correspondingly provided with one armature.

8. The novel electromagnetic clutch according to claim 4, wherein: the two electromagnets (3) are arranged and electrically connected in series, and the two armatures (4) are correspondingly arranged.

9. The novel electromagnetic clutch according to claim 1, wherein: the input shaft (5) is connected to the stator (1) by means of a bearing (8).

10. The novel electromagnetic clutch according to claim 1, wherein: the input shaft (5) is connected with the stator (1) through a shaft sleeve (9).