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clutch

A technology of clutches and induction discs, which is applied in the field of clutches, can solve problems such as large volume, complex structure, and power consumption, and achieve the effects of reducing volume, reducing manufacturing costs, and improving reliability

Active Publication Date: 2017-01-04
LONGKOU ZHONGYU AUTOMOBILE FAN CLUTCH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method of adding an electromagnet core to cooperate with the reset parts to make the suction plate move to realize the OFF gear and the flexible driving gear is not only complicated in structure, large in volume, but also consumes electric energy.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] Such as figure 1 In the shown first embodiment of the clutch of the present invention, the main shaft 101 is connected with an aluminum induction disc through a key (the key is not shown in the figure), and is usually made into a cooling disc 102 with cooling ribs on one side. When the main shaft 101 When rotating, the heat dissipation disc 102 is driven to rotate by a key, and a fan fixing disc 103 is installed on the main shaft 101 through a bearing (the bearing is not shown in the figure). The fan fixing disc 103 is positioned at the front of the cooling disc 102. 101 spins. An aluminum magnet fixing disk 105 is fixedly installed on the fan fixing disk 103 by bolts 104, so that the magnet fixing disk 105 can rotate around the main shaft 101 synchronously with the fan fixing disk 103, and the magnet fixing disk 105 is located in front of the cooling disk 102 and is close to the heat dissipation Disk 102.

[0046] Such as figure 2 As shown, the cooling disk 102 can...

Embodiment 2

[0054] Such as Figure 5 As shown, the difference between the second embodiment of the clutch of the present invention and the first embodiment is that the number of magnetically conductive plates 209 in this embodiment is 3, and the 3 magnetically conductive plates 209 are in the circumferential direction with respect to the axis of the main shaft. Evenly distributed; 12 magnets 208 are divided into three parts, each part has 4 pieces, and the magnet poles in each part are also arranged in a staggered manner, and each part is evenly distributed in the circumferential direction about the axis of the main shaft (that is, there are three magnets in total between each part. Interval interval); Owing to adopting 3 magnetically conductive plates 209, each magnetically conductive plate 209 needs to have two mounting positions, so in the present embodiment, the annular side wall of the magnet fixing plate 205 is provided with 6 screw holes (not shown in the figure shown), in which 3 ...

Embodiment 3

[0058] Such as Figure 7 As shown in the third embodiment of the clutch of the present invention, the main shaft 301 is connected with a cooling disc 302 made of die-cast aluminum material through a key (the key is not shown in the figure), and when the main shaft 301 rotates, the cooling disc 302 is driven by the key Rotate, the main shaft 301 is also equipped with a fan fixed disk 303 through bearings (bearings are not shown in the figure), the fan fixed disk 303 is positioned at the front of the cooling disk 302, and the fan fixed disk 303 can rotate around the main shaft 301. The fan fixed disk 303 is fixed with a magnet fixed disk 305 made of die-cast aluminum material through bolts 304, so the magnet fixed disk 305 can rotate around the main shaft 301 synchronously with the fan fixed disk 303. Front and close to the cooling plate 302 .

[0059] Such as Figure 8 As shown, the magnet fixed disk 305 is embedded with an iron sheet-shaped annular magnet fixed disk insert 3...

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Abstract

The invention relates to a clutch, in particular to a clutch driven by a magnetic force. The invention aims at providing the clutch with the capability of adjusting the output rotating speed according to the requirements of different ambient temperatures as well as simple structure and relatively-small size. The clutch comprises an induction disk and a magnet which can coaxially rotate. The clutch further comprises a position-adjustable shielding device; when the shielding device extends into a part between the induction disk and the magnet, the shielding device guides a magnetic field of the magnet for shielding electromagnetic mutual inductance between software and the magnet. According to the clutch disclosed by the invention, when the shielding device extends into the part between the induction disk and the magnet, the shielding device guides the magnetic field generated by the magnet, so that the induction disk and the magnet cannot act mutually. and further torsion is prevented from being transmitted; when the shielding device exits from the part between the induction disk and the magnet, the induction disk and the magnet mutually act again and the torque is transmitted. The clutch is particularly suitable for occasions where heat radiating fans are required to be arranged and the heat radiating capability is adjusted according to the demand on heat radiation.

Description

technical field [0001] The present invention relates to a clutch, in particular to a clutch driven by magnetic force. Background technique [0002] At present, there is a clutch in the field of automotive fan clutches, such as a two-speed electromagnetic fan clutch disclosed in a Chinese utility model patent with application number 200720026784.0, authorization announcement number CN201096009Y, and authorization announcement date of August 6, 2008. The induction plate is set on the active part, and the magnet is set on the driven part. When the magnet moves relative to the induction plate, the induction plate will generate eddy current due to cutting the magnetic force line, and an interaction force will be generated between the induction plate and the magnet, so the driven part will Following the rotation of the driving part, the driving part and the driven part will maintain a differential rotation. This driving method through electromagnetic mutual inductance is flexible ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F01P7/04F16D27/00F16D27/14
Inventor 王兆宇邢子义郭红伟
Owner LONGKOU ZHONGYU AUTOMOBILE FAN CLUTCH
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