CN202833734U - Composite electromagnetic clutch with double driven friction pieces - Google Patents
Composite electromagnetic clutch with double driven friction pieces Download PDFInfo
- Publication number
- CN202833734U CN202833734U CN 201220468287 CN201220468287U CN202833734U CN 202833734 U CN202833734 U CN 202833734U CN 201220468287 CN201220468287 CN 201220468287 CN 201220468287 U CN201220468287 U CN 201220468287U CN 202833734 U CN202833734 U CN 202833734U
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- driven friction
- iron core
- cover
- friction disk
- outside
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Abstract
The utility model relates to a composite electromagnetic clutch with double driven friction pieces. The composite electromagnetic clutch with the double driven friction pieces comprises two sets of coils, two sets of iron core return circuits, two sets of driving friction pieces and two sets of driven friction pieces. The composite electromagnetic clutch with the double driven friction pieces is characterized in that each set of coil corresponds to one set of iron core return circuit, one set of driving friction piece and one set of driven friction piece. Each set of coil, corresponding iron core, corresponding driving friction piece and corresponding driven friction piece are of an annular shape. The two sets of coils and the corresponding iron core, the corresponding driving friction piece and the corresponding driven friction piece are distributed at radial direction and in a nest mode. Each set of driving friction piece is composed of a driving friction piece at the outer side, an iron core at the outer side, a driving friction piece at the inner side and an iron core at the inner side. The two sets of friction pieces and the iron cores share the same shaft and are placed at the radial direction. According to a combined speed change mechanism, two speed ratios transmitted to a supercharger speed from a crankshaft wheel train can be flexibly changed over. Different speed ratios are applied under different situations, and the efficiency of the supercharger is benefited to being improved. Therefore, dynamic property of a motor is improved, and simultaneously oil consumption is reduced.
Description
Technical field
The utility model relates to a kind of pair of driven friction disk composite electromagnetic clutch, is used for engine mechanical pressurized machine control field.
Background technique
At present, magnetic clutch has been the electronic product of technology maturation, is widely used in each field.
In general, magnetic clutch mainly is comprised of a coil, a cover iron core loop, active friction plate, driven friction disk and armature.Coil and iron core utilize electromagnetic induction principle, consist of electromagnet.
The magnetic clutch working principle: when coil electricity, electromagnet produces magnetic force, adhesive armature, and then armature is pressed to driven friction disk on the active friction plate, active friction plate drives driven friction disk, and then finishes power transmission under the effect of stiction.Control power transmission by the control coil on/off.
Occasion using magnetic clutch such problem occurs: both needed to control the break-make of power transmission, needed again to change rotating ratio sometimes.Traditional magnetic clutch can only be controlled the break-make of power transmission, and can not change rotating ratio.In order to address this problem, can only adopt simultaneously magnetic clutch and gearbox.This will bring another problem, and independent gearbox not only volume can be larger, but also needs independent control section.Increased complexity, the cost of control system, design arrangement also can be unusually difficult.
Summary of the invention
The purpose of this utility model is to provide a kind of pair of driven friction disk composite electromagnetic clutch, it is in conjunction with simple gear, can realize that crankshaft wheel train switches flexibly to two speed ratios of mechanical supercharger rotating speed transmission, use different speed ratios in different operating modes, be conducive to improve the efficient of mechanical supercharger, and then when improving engine power performance, reduce oil consumption.
The technical solution of the utility model realizes like this: two driven friction disk composite electromagnetic clutches are comprised of two cover coils, two cover iron core loops, two cover active friction plates and two cover driven friction disks; It is characterized in that: the corresponding cover iron core loop of every cover coil, a cover active friction plate, a cover driven friction disk; Every cover coil and corresponding iron core, active friction plate, driven friction disk are circular, and two cover coils and corresponding iron core, active friction plate and driven friction disk thereof are radially nested distribution, two cover active friction plates are comprised of outside active friction plate and iron core and inboard active friction plate and iron core, and two cover friction plate and the coaxial one-tenth radial arrangement of iron core, aperture and outside active friction plate and iron core and inboard active friction plate and unshakable in one's determination linking to each other with keyway, be used for cooperating with power input shaft, and power imported into active friction plate and the iron core of magnetic clutch; Two cover driven friction disks are comprised of outside driven friction disk and armature and inboard driven friction disk and armature, and two cover driven friction disk and the coaxial radial arrangement of armature; Outside driven friction disk and armature are connected with corresponding outside distortion steel disc, inboard distortion steel disc respectively with inboard driven friction disk and armature, do not connect between outside distortion steel disc, the inboard distortion steel disc; The coil of two covers is comprised of outer coil and inner coil, and the outside of two cover coils has independent iron core, and the coaxial one-tenth radial arrangement of two cover coils.
Described outside active friction plate and outside driven friction disk adhesive realize by the power supply of connecting outer coil; Inboard active friction plate and inboard driven friction disk adhesive realize by the power supply of connecting inner coil; Outer coil and inner coil power supply are controlled by control unit.
Described outside driven friction disk and armature are connected steel disc with the outside and connect by rivet; Power is transmitted by connecting bolt in outside driven friction disk and power transmission downstream mechanism.
Good effect of the present utility model is: two driven friction disk composite electromagnetic clutches are combined with suitable driving mechanism, gear etc., just can realize the power transmission break-make can be automatically controlled, the power transmission direction can be automatically controlled, rotating ratio can be automatically controlled etc. function; Can realize that crankshaft wheel train switches flexibly to two speed ratios of mechanical supercharger rotating speed transmission, use different speed ratios in different operating modes, be conducive to improve the efficient of mechanical supercharger, and then when improving engine power performance, reduce oil consumption; Can be used on the mechanically-sapercharged engine, can automatically controlledly control by two speed ratios, further optimize the engine performance under different operating modes.
Description of drawings
Fig. 1 is active friction plate structural drawing of the present utility model.
Fig. 2 is driven friction disk of the present utility model and armature structure figure.
Fig. 3 is coil of the present utility model and core structure figure.
Fig. 4 is constitutional diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described: as Figure 1-3, two driven friction disk composite electromagnetic clutches are comprised of two cover coils, two cover iron core loops, two cover active friction plates and two cover driven friction disks; It is characterized in that: the corresponding cover iron core loop of every cover coil, a cover active friction plate, a cover driven friction disk; Every cover coil and corresponding iron core, active friction plate, it is circular that driven friction disk is, and two cover coils and corresponding iron core thereof, active friction plate is radially nested distribution with driven friction disk, two cover active friction plates are comprised of outside active friction plate and iron core 1 and inboard active friction plate and iron core 2, and two cover friction plate and the coaxial one-tenth radial arrangement of iron core, aperture 3 with keyway links to each other with inboard active friction plate and unshakable in one's determination 2 with outside active friction plate and unshakable in one's determination 1, be used for cooperating with power input shaft, and import power into the outside active friction plate of magnetic clutch and iron core 1 and inboard active friction plate and 2 liang of covers of iron core driven friction disk and formed by outside driven friction disk and armature 7 and inboard driven friction disk and armature 11, and two cover driven friction disk and the coaxial radial arrangement of armature; Outside driven friction disk and armature 7 are connected with corresponding outside distortion steel disc 6, inboard distortion steel disc 10 respectively with inboard driven friction disk and armature 11, do not connect between outside distortion steel disc 6, the inboard distortion steel disc 10; The coil of two covers is comprised of outer coil 12 and inner coil 13, and the outside of two cover coils has independent iron core, and the coaxial one-tenth radial arrangement of two cover coils.
Described outside active friction plate and iron core 1 are realized by the power supply of connecting outer coil 12 with 7 adhesives of outside driven friction disk; Inboard active friction plate and iron core 2 are realized by the power supply of connecting inner coil 13 with inboard driven friction disk 11 adhesives; Outer coil 12 and inner coil 13 power supplys are controlled by control unit.
Two cover coils are that the break-make of outer coil 12 and inner coil 13 electric currents can be controlled separately by the public control unit.Two cover driven friction disks are that outside driven friction disk and armature 7 are connected with two power intakes of power transmission downstream mechanism respectively with inboard driven friction disk and armature 11, such as two input ends of gear.When which power intake of magnetic clutch downstream mechanism needs the power input, coil outer coil 12 and inner coil 13 energisings with coupled driven friction disk outside driven friction disk and armature 7 and inboard driven friction disk and armature 11 correspondences, make the magnetic clutch adhesive, active friction plate and driven friction disk be transmitting torque under the effect of pressure.
In above-mentioned accompanying drawing 4 illustrated embodiments, driven friction disk assembly 17 is by the connecting bolts 4 such as outside driven friction disk and gear, outside distortion steel disc and outside driven friction disk fixing rivet 5, outside distortion steel disc 6, outside driven friction disk and armature 7 and inboard distortion steel disc and inboard driven friction disk fixing rivet 8, connecting bolt 9, inboard distortion steel disc 10, inboard driven friction disk and armature 11 two-part module compositions such as inboard driven friction disk and gear, two-part assembly does not interconnect; Outside driven friction disk and armature 7 are connected steel disc 6 and connect by rivet 5 with the outside; Outside driven friction disk and power transmission downstream mechanism are by connecting bolt 4 transmission power, inboard driven friction disk fixing rivet 8, the connecting bolts 9 such as inboard driven friction disk and gear, inboard steel disc 10, inboard driven friction disk and armature 11 structures of being out of shape are identical with outside driven friction disk assembly 17.Active friction plate assembly 18 obtains moment of torsion by key from transmission shaft, by outside active friction plate 1 or inboard active friction plate 2 with power transmission to the outside driven friction disk in the driven friction disk assembly 17 and armature 7 or inboard driven friction disk and armature 11.Coil and iron core 19 be by external lateral portion iron core 14 and inside part iron core 15, outer coil 12 and inner coil 13, and bearing 16 forms, and bearing 16 inner rings cooperate with active friction plate assembly 18 intermediate portions, so iron core and coil 19 do not rotate with transmission shaft.Active friction plate assembly 18 is combined into one with coil and iron core 19, and active friction plate assembly 18 rotates with transmission shaft, and coil and iron core 19 are owing to being to be connected with active friction plate assembly (18) by bearing 16, so do not rotate with transmission shaft.
Its concrete working procedure is as described below:
When not needing transferring power: controlled by control unit, outer coil 12 and inner coil 13 are not powered simultaneously, do not produce the magnetic force of adhesive armature, power is not transmitted in interior active friction plate and iron core 2, outer active friction plate and iron core 1 and interior driven friction disk and armature 11, outer driven friction disk and armature 7 not adhesives.
When needs pass through outside driven friction disk and armature 7 transferring power: controlled by ECU (Electrical Control Unit), outer coil 12 power connections, inner coil 13 power supplys disconnect, outer coil produces magnetic force, and to the armature generation axial tension of outside driven friction disk and armature 7, this pulling force makes 6 axial deformations of outside distortion steel disc, and then the armature of outside driven friction disk and armature 7 is moved to active friction plate, until adhesive, under the effect of stiction, transmitting torque.When not needing transmitting torque, disconnect outer coil 12 power supplys.
When needs during by inboard driven friction disk and armature 11 transferring power, controlled by ECU (Electrical Control Unit), inner coil 13 power connections, outer coil 12 power supplys disconnect, and inner coil 13 produces magnetic force, armature to inboard driven friction disk and armature 11 produces axial tension, this pulling force makes 10 axial deformations of inboard distortion steel disc, and then the armature of inboard driven friction disk and armature 9 is moved to active friction plate, until adhesive, under the effect of stiction, transmitting torque.When not needing transmitting torque, disconnect inner coil 13 power supplys.
Claims (3)
1. two driven friction disk composite electromagnetic clutches are comprised of two cover coils, two cover iron core loops, two cover active friction plates and two cover driven friction disks; It is characterized in that: the corresponding cover iron core loop of every cover coil, a cover active friction plate, a cover driven friction disk; Every cover coil and corresponding iron core, active friction plate, driven friction disk are circular, and two cover coils and corresponding iron core, active friction plate and driven friction disk thereof are radially nested distribution, two cover active friction plates are comprised of outside active friction plate and iron core and inboard active friction plate and iron core, and two cover friction plate and the coaxial one-tenth radial arrangement of iron core, aperture and outside active friction plate and iron core and inboard active friction plate and unshakable in one's determination linking to each other with keyway, be used for cooperating with power input shaft, and power imported into active friction plate and the iron core of magnetic clutch; Two cover driven friction disks are comprised of outside driven friction disk and armature and inboard driven friction disk and armature, and two cover driven friction disk and the coaxial radial arrangement of armature; Outside driven friction disk and armature are connected with corresponding outside distortion steel disc, inboard distortion steel disc respectively with inboard driven friction disk and armature, do not connect between outside distortion steel disc, the inboard distortion steel disc; The coil of two covers is comprised of outer coil and inner coil, and the outside of two cover coils has independent iron core, and the coaxial one-tenth radial arrangement of two cover coils.
2. the two driven friction disk composite electromagnetic clutches described in according to claim 1 is characterized in that described outside active friction plate and outside driven friction disk adhesive realize by the power supply of connecting outer coil; Inboard active friction plate and inboard driven friction disk adhesive realize by the power supply of connecting inner coil; Outer coil and inner coil power supply are controlled by control unit.
3. the two driven friction disk composite electromagnetic clutches described in according to claim 1 is characterized in that described outside driven friction disk and armature are connected steel disc with the outside and connect by rivet; Power is transmitted by connecting bolt in outside driven friction disk and power transmission downstream mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220468287 CN202833734U (en) | 2012-09-14 | 2012-09-14 | Composite electromagnetic clutch with double driven friction pieces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220468287 CN202833734U (en) | 2012-09-14 | 2012-09-14 | Composite electromagnetic clutch with double driven friction pieces |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202833734U true CN202833734U (en) | 2013-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220468287 Expired - Fee Related CN202833734U (en) | 2012-09-14 | 2012-09-14 | Composite electromagnetic clutch with double driven friction pieces |
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| Country | Link |
|---|---|
| CN (1) | CN202833734U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927155A (en) * | 2012-09-14 | 2013-02-13 | 中国第一汽车股份有限公司 | Composite electromagnetic clutch of double driven friction plates |
-
2012
- 2012-09-14 CN CN 201220468287 patent/CN202833734U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927155A (en) * | 2012-09-14 | 2013-02-13 | 中国第一汽车股份有限公司 | Composite electromagnetic clutch of double driven friction plates |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130327 Termination date: 20190914 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |