CN203374690U - Electromagnetism connection device - Google Patents
Electromagnetism connection device Download PDFInfo
- Publication number
- CN203374690U CN203374690U CN201320376514.8U CN201320376514U CN203374690U CN 203374690 U CN203374690 U CN 203374690U CN 201320376514 U CN201320376514 U CN 201320376514U CN 203374690 U CN203374690 U CN 203374690U
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- CN
- China
- Prior art keywords
- driven shaft
- rotor
- armature
- electromagnetic
- spring
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model discloses an electromagnetism connection device which comprises a driven shaft (1), a drive shaft (2), an armature (3), a spring (6), a rotor (7) and an electromagnetic force generating component (8), wherein the drive shaft (2), the spring (6), the rotor (7) and the electromagnetic force generating component (8) are sequentially arranged from one axial side of the driven shaft to the other axial side of the driven shaft. The drive shaft is arranged on the driven shaft in a sleeved mode. The armature is fixed on the end face of the other axial side of the driven shaft. The spring is in clearance fit with the driven shaft and located between the armature (3) and the rotor and exerts force in separating directions on the armature and the rotor. The rotor is arranged on the driven shaft in a sleeved mode in the manner that the rotor slides in the center axis direction relative to the driven shaft but not rotate around the driven shaft. The electromagnetic force generating component is arranged on the driven shaft in a sleeved mode by rotating around the driven shaft. The electromagnetic force generating component comprises a magnet yoke and a coil which is arranged on the magnet yoke in a winding mode, wherein the coil performs excitation when being electrified.
Description
Technical field
The utility model relates to a kind of electromagnetic connector for transmission of power.
Background technique
In Japanese kokai publication hei 7-293596 communiques, a kind of magnetic clutch is disclosed, as described in Figure 1, this magnetic clutch is disposed with back-up ring 16 from left end, live axle 12K, armature 1 for clutch, rotor 2, armature 13, spring 14 and electromagnetic force generation device 3 for braking, wherein, back-up ring 16, live axle 12K, armature 1 for clutch, rotor 2, braking all are sleeved on driven shaft 5 with armature 13, spring 14 and electromagnetic force generation device 3.Back-up ring 16 is arranged on the keep left position of side than live axle 12K, for backstop live axle 12K, to prevent live axle 12K, from driven shaft 5, breaks away from.Live axle 12K is connected with external drive source, from driving source, accepts rotary driving force.This live axle 12K can rotate freely around driven shaft 5.Be fixedly connected with discoid armature 1 for clutch by fastening piece on the right side of live axle 12K, this clutch can rotate freely around driven shaft 5 with armature 1 together with live axle 12K, rotor 2 can not be connected in the radially outstanding round flange section 18 of driven shaft 5 with respect to driven shaft 5 rotatably by connector element 2a, braking is arranged on electromagnetic force generation device 3 in the mode that can move along central axial direction with the axial projection guide portion 15a on the baffle plate that is located at electromagnetic force generation device 3 coil racks 15 by being located at its discoid through hole 13a connected vertically in section with armature 13, be folded with Compress Spring 14 between being fixed on the spring stop 6A on electromagnetic force generation device 3 right sides and braking with armature 13, this Compress Spring 14 is enclosed within on the periphery of electromagnetic force generation device 3, clutch is applied to elastic force with armature 1 to rotor 2 sides.Electromagnetic force generation device 3 comprises around the coil 3a on coil rack 15.
In the situation that, to coil 3a energising, electromagnetic force generation device 3 produces electromagnetic force, attract to the right braking to make clutch overcome the elastic force of Compress Spring 14 with armature 1 and move to the right with armature 13, thereby leave rotor 2.Meanwhile, electromagnetic force generation device 3 attracts armature 1 for clutch to the right, make clutch move to the right together with live axle 12K with armature 1 and contact with rotor 2, the rotary driving force that utilizes clutch will be accepted from driving source by live axle 12K by the frictional force between armature 1 and rotor 2 is delivered to driven shaft 5, thereby is delivered to the outside driven equipment be connected with driven shaft 5.
In the situation that coil 3a is cut off the power supply, the electromagnetic force of electromagnetic force generation device 3 disappears, being applied to clutch eliminates by the attraction force on armature 13 with armature 1 and braking, from being disconnected being connected between live axle 12 and driven shaft 5, under the effect of the elastic force of Compress Spring 14, braking is moved and is finally overlayed on rotor 2 to the left with armature 13, and rotor 2 and driven shaft 5 are applied to braking.
But, owing to overlaying on rotor 2 rotor 2 and driven shaft 5 are applied to braking with armature 13 coil 3a outage being played to braking, the regular hour hysteresis is arranged, therefore, sometimes, to after coil 3a outage, driven shaft 5 also rotates and somely just can stop operating, therefore, when this magnetic clutch being used to the paper supplies such as duplicating machine or printer, owing to can not in time driven shaft 5 being stopped, can making the paper feeding deterioration in accuracy, paper feed error occurs.
In addition, owing at driven shaft 5, radially outstanding round property lip part 18 being set, rotor 2 is installed, braking is arranged on electromagnetic force generation device 3 in the mode that can move along central axial direction with the axial projection guide portion on the baffle plate that is located at electromagnetic force generation device 3 coil racks 15 by being located at its discoid through hole connected vertically in section with armature 13, therefore, make the complex structure of magnetic clutch, manufacture cost is high.
The model utility content
The utility model provides a kind of electromagnetic connector simple in structure.
The electromagnetic connector of the first technological scheme of the present utility model, it is characterized in that, this electromagnetic connector comprises driven shaft and the live axle set gradually to opposite side from an axial lateral axis, armature, resilient member, rotor and electromagnetic force production part; This live axle is to slide and can be sleeved on described driven shaft around the mode of described driven shaft rotation along central axial direction with respect to described driven shaft; Described armature is fixed on the described axial opposite side end face of described driven shaft, and can together with described driven shaft, along described axial direction, move; Described resilient member Spielpassung, on described driven shaft, between described armature and described rotor, applies the power of detaching direction to described armature and described rotor; Described rotor is not being sleeved on described driven shaft around the mode of described driven shaft rotation; Described electromagnetic force production part is sleeved on described driven shaft in the mode that can rotate around described driven shaft, the coil of excitation while comprising yoke and energising.
The electromagnetic connector of the first technological scheme of the present utility model, owing to being the convex-concave cooperating structure between the coil rack in armature and electromagnetic force generation device for braking that there is no the such complexity of prior art, and the structure that does not have the such radially outstanding round property lip part of setting on driven shaft of prior art that rotor is installed, therefore, make the driven shaft of electromagnetic connector and the structure of electromagnetic connector become simple, thereby make the overall structure of electromagnetic connector become simple, can reduce manufacture cost.
The electromagnetic connector of the second technological scheme of the present utility model, on the basis of described the first technological scheme, it is characterized in that, described resilient member is spring, after described rotor movement, described spring is flattened and will be delivered to from the rotary driving force of described live axle described rotor via described spring by the effect of the electromagnetic force of described electromagnetic force production part generation at described armature.
The electromagnetic connector of the second technological scheme of the present utility model, can realize with simple structure the clutch action of electromagnetic connector.
The electromagnetic connector of the 3rd technological scheme of the present utility model, be described first or the basis of two technological schemes on, it is characterized in that, described driven shaft by axle and the shaft component be enclosed within outward on the periphery of described axle form, this shaft component is utilized ultrasonic welding in conjunction with being fixed on described axle, described axial one distolateral being provided with to radially-protruding lip part at described shaft component, this flange is positioned at than described live axle by the position of a described axial side, prevents that described live axle from deviating from from described driven shaft.
The electromagnetic connector of the 3rd technological scheme of the present utility model, owing to adopting ultrasonic welding to fetch, axle and shaft component are combined into one to form driven shaft, the axial one distolateral flange be provided with for the backstop live axle on shaft component, therefore, can driven shaft and live axle be fitted together with simple manufacturing process, and make the manufacture of driven shaft become simple.
The electromagnetic connector of the 4th technological scheme of the present utility model, be described first or the basis of two technological schemes on, it is characterized in that, described rotor spline fitted is on described driven shaft.
The electromagnetic connector of the 5th technological scheme of the present utility model, described first or the basis of two technological schemes on, it is characterized in that, described rotor can slide along central axial direction with respect to described driven shaft.
The electromagnetic connector of the 6th technological scheme of the present utility model, described first or the basis of two technological schemes on, it is characterized in that, described rotor, described armature and described spring form by soft magnetic material.
The electromagnetic connector of the 7th technological scheme of the present utility model, described first or the basis of two technological schemes on, it is characterized in that, described armature is fixed on described live axle by fastening piece.
The electromagnetic connector of the 8th technological scheme of the present utility model, described first or the basis of two technological schemes on, it is characterized in that, described spring is wave leaf spring or dish spring.
The electromagnetic connector of the 8th technological scheme of the present utility model, can form the separating member separated between armature and rotor for clutch with simple structure.
The electromagnetic connector of the 8th technological scheme of the present utility model, described first or the basis of two technological schemes on, it is characterized in that, described live axle is gear.
The electromagnetic connector of the 8th technological scheme of the present utility model, described first or the basis of two technological schemes on, it is characterized in that, described live axle is the power input part, and described driven shaft or described rotor are the power carry-out part.
The accompanying drawing explanation
Fig. 1 is the dissecing and the sectional view that obtains along axis of electromagnetic connector of prior art.
Fig. 2 is braking in the electromagnetic connector of the described prior art view of seeing along axial direction with armature.
Fig. 3 be coil rack in the electromagnetic force production part in the electromagnetic connector of described prior art along stereogram that roughly axial direction is seen.
Fig. 4 is the side partial cross-sectional of the electromagnetic connector of a mode of execution of the present utility model.
Fig. 5 is the partial enlarged drawing of the electromagnetic connector of a described mode of execution of the present utility model.
Embodiment
Below based on accompanying drawing explanation for implementing preferred forms of the present utility model.The electromagnetic connector of a mode of execution of the present utility model as shown in Figure 4 and Figure 5, this electromagnetic connector comprises: the driven shaft 1 that always extends to right side from the left side of electromagnetic connector; Be sleeved on the live axle 2 of the left part of driven shaft 1 in the mode that can freely rotate around driven shaft 1; With fastening piece 4(screw for example) be connected to the discoid armature 3 on the right side of live axle 2; Adjacent and can be sleeved on rotatably the wavy flat spring 6 on driven shaft 1 around driven shaft 1 with armature 3; Adjacent and with respect to described driven shaft 1, along central axial direction, to slide, can not be sleeved on the rotor 7 on described driven shaft 1 around the mode of described driven shaft 1 rotation with flat spring 6; Be positioned at the right side of rotor 7, being sleeved on the electromagnetic force production part 8 on described driven shaft 1 around the mode of described driven shaft 1 rotation.
Described live axle 2 is a gear in the present embodiment, for from external drive source, accepting rotary driving force.
Described armature 3 can rotate freely around driven shaft 1 together with live axle 2.
Described live axle 2 and state armature 3 and all can slide with respect to driven shaft 1 along the axial direction of driven shaft 1.
Be inserted with the part in the left side of electromagnetic force production part 8 in the inside of rotor 7, the cylindrical portions of rotor 7 covers the periphery of the part in the left side of electromagnetic force production part 8.
Electromagnetic force production part 8 comprises yoke 9 and around the exciting coil 13 on yoke 9, by 13 energisings make electromagnetic force production part 8 produce electromagnetic forces to coil.
Electromagnetic force production part 8 is fixed on external equipment and maintains static.
Described driven shaft 1 consists of axle 11 and the shaft component 12 that is enclosed within outward on the periphery of described axle 11, this shaft component 12 is utilized ultrasonic welding in conjunction with being fixed on described axle 11, described left end side at described shaft component 12 is provided with to radially-protruding lip part 14, this flange 14 is positioned at the position by described left side than described live axle 2, prevents that described live axle 2 from deviating from from described driven shaft 1.
Described rotor 7, described armature 3 and described spring 6 form by soft magnetic material.
After coil 13 energisings to electromagnetic force production part 8, electromagnetic force production part 8 produces electromagnetic attraction, armature 3 is attracted to the right and armature 3 is moved to the right, armature 3 drive live axles 2 move together simultaneously, described spring 6 is flattened, final armature 3 overlays on the left surface of the spring 6 after flattening, and the right flank of the spring 6 after flattening overlays on the left surface of the bottom of rotor 7, thereby makes electromagnetic connector become the bonding state that can pass on power.Under this state, when live axle 2(power input part) while receiving the rotary driving force of external drive source, rotary driving force utilizes the frictional force between armature 3, spring 6, rotor 7 and is delivered to driven shaft 1(power carry-out part via armature 3, spring 6, rotor 7 successively).
After coil 13 outages to electromagnetic force production part 8, electromagnetic force production part 8 no longer produces electromagnetic attraction, armature 3 is discharged, under the effect of the elastic restoring force of spring 6, armature 3 is moved to the left together with live axle 2, finally make electromagnetic connector become can not transmission of drive force " separation " state.
In the present embodiment, rotor is for there being the round-ended cylinder shape.But the utility model is not limited to this shape, rotor can be also dull and stereotyped discoid.
In the present embodiment, live axle is gear.But the utility model is not limited thereto, live axle can be also belt pulley, can select the structural type be complementary with it according to the form of the driving mechanism of external drive source.
In the present embodiment, resilient member is wavy spring, but the utility model is not limited thereto, and resilient member can be the various suitable forms such as a dish spring, volute spring.
In the present embodiment, driven shaft adopts is to consist of axle 11 and the shaft component 12 that is enclosed within outward on the periphery of described axle 11, this shaft component 12 is utilized ultrasonic welding in conjunction with being fixed on described axle 11, described left end side at described shaft component 12 is provided with to radially-protruding lip part 14, this flange 14 is positioned at the structure by the position in described left side than described live axle 2, but the utility model is not limited thereto, driven shaft also can adopt the overall structure consisted of single part.
Claims (10)
1. an electromagnetic connector, it is characterized in that live axle (2), armature (3), resilient member (6), rotor (7) and electromagnetic force production part (8) that this electromagnetic connector comprises driven shaft (1) and sets gradually to opposite side from an axial lateral axis; This live axle (2) is to slide and can be sleeved on described driven shaft (1) around the mode of described driven shaft (1) rotation along central axial direction with respect to described driven shaft (1); Described armature (3) is fixed on the described axial opposite side end face of described driven shaft (1), and can together with described driven shaft (1), along described axial direction, move; Described resilient member (6) Spielpassung is upper in described driven shaft (1), is positioned between described armature (3) and described rotor (7), for described armature (3) and described rotor (7) being applied to the power of detaching direction; Described rotor (7) is not being sleeved on described driven shaft (1) around the mode of described driven shaft (1) rotation; Described electromagnetic force production part (8) is upper being sleeved on described driven shaft (1) around the mode of described driven shaft (1) rotation, the coil (13) of excitation while comprising yoke (9) and energising.
2. electromagnetic connector according to claim 1, it is characterized in that, described resilient member (6) is spring, after mobile to described rotor (7) under the effect of the electromagnetic force that described armature (3) produces at described electromagnetic force production part (8), described spring (6) flattened and will be delivered to from the rotary driving force of described live axle (2) described rotor (7) via described spring (6).
3. electromagnetic connector according to claim 1 and 2, it is characterized in that, described driven shaft (1) consists of axle (11) and the shaft component (12) that is enclosed within outward on the periphery of described axle (11), this shaft component (12) is utilized ultrasonic welding in conjunction with being fixed on described axle (11), described axial one distolateral being provided with to radially-protruding lip part (14) at described shaft component (12), this flange (14) is positioned at than described live axle (2) by the position of a described axial side, prevents that described live axle (2) from deviating from from described driven shaft (1).
4. electromagnetic connector according to claim 1 and 2, is characterized in that, described rotor (7) spline fitted is on described driven shaft (1).
5. electromagnetic connector according to claim 1 and 2, is characterized in that, described rotor (7) can slide along central axial direction with respect to described driven shaft (1).
6. electromagnetic connector according to claim 1 and 2, is characterized in that, described rotor (7), described armature (3) and described spring (6) form by soft magnetic material.
7. electromagnetic connector according to claim 1 and 2, is characterized in that, described armature (3) is fixed on described live axle (2) by fastening piece.
8. electromagnetic connector according to claim 2, is characterized in that, described spring (6) is wave leaf spring or dish spring.
9. electromagnetic connector according to claim 1 and 2, is characterized in that, described live axle (2) is gear.
10. electromagnetic connector according to claim 1 and 2, is characterized in that, described live axle (2) is the power input part, and described driven shaft (1) or described rotor (7) are the power carry-out part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320376514.8U CN203374690U (en) | 2013-06-27 | 2013-06-27 | Electromagnetism connection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320376514.8U CN203374690U (en) | 2013-06-27 | 2013-06-27 | Electromagnetism connection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203374690U true CN203374690U (en) | 2014-01-01 |
Family
ID=49837219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320376514.8U Expired - Lifetime CN203374690U (en) | 2013-06-27 | 2013-06-27 | Electromagnetism connection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203374690U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105570341A (en) * | 2015-04-17 | 2016-05-11 | 盖茨胜地汽车水泵产品(烟台)有限责任公司 | Electromagnetic clutch |
| CN111628609A (en) * | 2019-02-28 | 2020-09-04 | 日本电产株式会社 | Brake device and power assembly |
-
2013
- 2013-06-27 CN CN201320376514.8U patent/CN203374690U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105570341A (en) * | 2015-04-17 | 2016-05-11 | 盖茨胜地汽车水泵产品(烟台)有限责任公司 | Electromagnetic clutch |
| CN105605121A (en) * | 2015-04-17 | 2016-05-25 | 盖茨胜地汽车水泵产品(烟台)有限责任公司 | Electromagnetic clutch |
| CN105605121B (en) * | 2015-04-17 | 2017-11-24 | 盖茨胜地汽车水泵产品(烟台)有限责任公司 | Electromagnetic clutch |
| CN111628609A (en) * | 2019-02-28 | 2020-09-04 | 日本电产株式会社 | Brake device and power assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140101 |