JPS5825578U - magnetic coupling device - Google Patents
magnetic coupling deviceInfo
- Publication number
- JPS5825578U JPS5825578U JP12042281U JP12042281U JPS5825578U JP S5825578 U JPS5825578 U JP S5825578U JP 12042281 U JP12042281 U JP 12042281U JP 12042281 U JP12042281 U JP 12042281U JP S5825578 U JPS5825578 U JP S5825578U
- Authority
- JP
- Japan
- Prior art keywords
- permanent magnet
- coupling device
- shaft
- magnetic coupling
- view
- Prior art date
- 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.)
- Pending
Links
Landscapes
- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は、従来の連結装置が備えられたＶＴＲのテープ
走行装置の略図的平面図である。第２図は、従来の連結
装置を説明するための略図的正面図である。第３図は、
この考案の一実施例を示す部分断面図である。第４図は
、この考案の一実施例に用いられる永久磁石を示す平面
図である。第５図は、第４図の線ｖ−■に沿う断面図で
ある。
第６図および第７図は、この考案の一実施例におけるト
ルクの伝達を説明するための部分切欠平面図であり、第
６図はスリップが存在しない状態を示し、第７図はスリ
ップが存在する状態を示す図である。第８図は、磁性体
が永久磁石と分離された状態のこの考案の一実施例を示
す部分断面図である。第９図および第１０図は、第３図
に示された状態の磁束Φの流れを説明するための図であ
り、第９図は部分切欠側面図を、第１０図は磁束Φの流
れをより具体的に示す部分切欠断面図である。
第１１図および第１２図は、第８図に示された状
′態における磁束Φの流れを説明するための図であり、
第１１図は部分切欠断面図を示し、第１２図は磁束Φの
流れをより具体的に示す部分切欠断面図である。図にお
いて、１０１は永久磁石、１０２はヒステリシス部材、
１０３は駆動軸としての入力軸、１０４は従動軸として
の出力プーリ、１０５は磁性体を示す！FIG. 1 is a schematic plan view of a tape running device of a VTR equipped with a conventional coupling device. FIG. 2 is a schematic front view for explaining a conventional coupling device. Figure 3 shows
FIG. 1 is a partial cross-sectional view showing an embodiment of this invention. FIG. 4 is a plan view showing a permanent magnet used in an embodiment of this invention. FIG. 5 is a sectional view taken along line v--■ in FIG. 4. 6 and 7 are partially cutaway plan views for explaining torque transmission in an embodiment of this invention, with FIG. 6 showing a state in which no slip exists, and FIG. 7 showing a state in which a slip exists. FIG. FIG. 8 is a partial sectional view showing an embodiment of this invention in which the magnetic body is separated from the permanent magnet. 9 and 10 are diagrams for explaining the flow of magnetic flux Φ in the state shown in FIG. 3. FIG. 9 is a partially cutaway side view, and FIG. It is a partially notched sectional view showing more concretely. Figures 11 and 12 represent the state shown in Figure 8.
It is a diagram for explaining the flow of magnetic flux Φ in the ′ state,
FIG. 11 shows a partially cutaway sectional view, and FIG. 12 is a partially cutaway sectional view showing the flow of the magnetic flux Φ more specifically. In the figure, 101 is a permanent magnet, 102 is a hysteresis member,
103 is an input shaft as a driving shaft, 104 is an output pulley as a driven shaft, and 105 is a magnetic body!
Claims (1)
、厚み方向に着磁された複数個の極から′ なる永久磁
石と、 前記駆動軸および前記従動軸のいずれか他方に備えられ
、前記永久磁石と軸方向に対向して配置されるヒステリ
シス部材と、 前記永久磁石をはさんで前記ヒステリシス部材と反対側
に配置された磁性体とを備え、前記磁性体と前記永久磁
石との間の距離は変化可能にされており、それによって
トルク調整が可能にされている磁気連結装置。[Claims for Utility Model Registration] A driving shaft and a driven shaft; a permanent magnet provided on either one of the driving shaft and the driven shaft and comprising a plurality of poles magnetized in the thickness direction; and the driving shaft. a hysteresis member provided on the other of the shaft and the driven shaft and arranged to face the permanent magnet in the axial direction; and a magnetic body arranged on the opposite side of the hysteresis member with the permanent magnet in between. A magnetic coupling device comprising: a distance between the magnetic body and the permanent magnet is variable, thereby enabling torque adjustment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12042281U JPS5825578U (en) | 1981-08-13 | 1981-08-13 | magnetic coupling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12042281U JPS5825578U (en) | 1981-08-13 | 1981-08-13 | magnetic coupling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5825578U true JPS5825578U (en) | 1983-02-18 |
Family
ID=29914424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12042281U Pending JPS5825578U (en) | 1981-08-13 | 1981-08-13 | magnetic coupling device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5825578U (en) |
-
1981
- 1981-08-13 JP JP12042281U patent/JPS5825578U/en active Pending
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