EP3133629A1 - Dreheingabevorrichtung - Google Patents

Dreheingabevorrichtung Download PDF

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Publication number
EP3133629A1
EP3133629A1 EP15761544.4A EP15761544A EP3133629A1 EP 3133629 A1 EP3133629 A1 EP 3133629A1 EP 15761544 A EP15761544 A EP 15761544A EP 3133629 A1 EP3133629 A1 EP 3133629A1
Authority
EP
European Patent Office
Prior art keywords
rotary
follower
return
holding
input device
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.)
Granted
Application number
EP15761544.4A
Other languages
English (en)
French (fr)
Other versions
EP3133629B1 (de
EP3133629A4 (de
Inventor
Kimihiro YOKOYAMA
Kazuya Sasaki
Hisato Shimomura
Masahiro Asano
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alps Alpine Co Ltd
Original Assignee
Alps Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Alps Electric Co Ltd filed Critical Alps Electric Co Ltd
Publication of EP3133629A1 publication Critical patent/EP3133629A1/de
Publication of EP3133629A4 publication Critical patent/EP3133629A4/de
Application granted granted Critical
Publication of EP3133629B1 publication Critical patent/EP3133629B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
    • H01H19/02—Details
    • H01H19/10—Movable parts; Contacts mounted thereon
    • H01H19/11—Movable parts; Contacts mounted thereon with indexing means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
    • H01H19/54—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand the operating part having at least five or an unspecified number of operative positions
    • H01H19/56—Angularly-movable actuating part carrying contacts, e.g. drum switch
    • H01H19/58—Angularly-movable actuating part carrying contacts, e.g. drum switch having only axial contact pressure, e.g. disc switch, wafer switch
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/20—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch wherein an auxiliary movement thereof, or of an attachment thereto, is necessary before the main movement is possible or effective, e.g. for unlatching, for coupling

Definitions

  • the present invention relates to a rotary type input device having a function which returns a rotary member operating a rotation detection unit from an input rotation position at which the rotary member has rotated by a predetermined angle to a return rotation position.
  • Patent Document 1 discloses a rotary switch which includes a return push button.
  • the return push button is supported to be movable forward and backward at the center portion of a rotary knob.
  • Multiple cam ridges are formed on an outer circumferential surface of the return push button in a circumferential direction at a constant pitch, and a leaf spring which is fitted to the cam ridges is provided in the rotary knob. If the rotary knob is rotated, the rotary knob is held at a rotation position at which the leaf spring and the cam ridge are fitted to each other, and a switch contact can be switched to states corresponding to each of the holding position.
  • a return spring member configured of a spiral spring is provided between a case and the rotary knob.
  • the return push button can be pressed, and a compression coil spring by which the return push button is returned when a pressing force is released is provided in the return push button. If the rotary knob rotates , the rotary knob is held in a state where the leaf spring and the cam ridge are fitted to each other, and if the return push button is pressed, the fitting between the leaf spring and the cam ridge is released, and the rotary knob is returned to an original position by a force of the return spring member. In addition, the return push button is returned to a posture before the return push button is pressed by an elastic force of the compression coil spring.
  • Patent Document 1 Japanese Unexamined Utility Model Registration Application Publication No. H4-8331 (Microfilm of Japanese Utility Model Registration Application No. H2-48103 )
  • the present invention is for solving the above-described problem of the related art, and an object thereof is to provide a rotary type input device in which a rotary member can be reliably returned to a return rotation position using fewer spring members.
  • a rotary type input device which includes: a housing; a rotary member which is rotatably supported by the housing and is rotatable from a return rotation position to an input rotation position; and a rotation detection unit which changes a detection state according to the rotation of the rotary member, in which a cam portion which is formed in the rotary member, a follower which faces the cam portion, and a holding spring member which presses the follower to the cam portion are provided, and a holding recessed portion which is fitted to the follower to hold the rotary member when the rotary member rotates to the input rotation position is formed in the cam portion, a hold release member which releases the fitting between the follower and the holding recessed portion, and a return spring member which returns the rotary member to the return rotation position when the fitting is released are provided, and the hold release member is provided to be movable from an initial posture to a hold release posture at which the fitting is released, and is returned to the initial posture by the holding spring member.
  • the rotary member is held at the input rotation position by the holding spring member, and the hold release member is returned to an initial posture by the same holding spring member. It is possible to reduce the number of spring members by providing two functions to the holding spring member.
  • the follower or the holding spring member is pushed by the hold release member when the hold release member moves to the hold release posture, and the fitting between the follower and the holding recessed portion is released.
  • a return recessed portion may be formed in the cam portion, the follower may face a bottom portion of the return recessed portion or an inclined portion adjacent to the bottom portion when the rotary member is returned to the return rotation position by return spring member, and the follower may be fitted to the return recessed portion by a biasing force of the holding spring member.
  • the return spring member is set such that a fitting force between the follower and the holding recessed portion is stronger than a force which returns the rotary member positioned at the input rotation position to the return rotation position.
  • a shaft portion which extends along a rotation center line and an extension portion which extends in a circumferential direction from the shaft portion may be integrally formed with each other in the rotary member, and the cam portion may be formed on the extension portion.
  • the cam portion may be formed on an extension surface side which is an upper surface or a lower surface of the extension portion, and the follower may be biased in a direction intersecting the extension surface by the holding spring member, and may be pressed to the cam portion.
  • the hold release member is supported to be movable forward and backward in the direction intersecting the extension surface.
  • the cam portion may be formed along a circumferential end of the extension portion, and the follower may be biased toward the rotation center line by the holding spring member and may be pressed to the cam portion.
  • the hold release member may be rotatably supported in a plane intersecting the rotation center line.
  • the rotation detection unit includes a fixed contact and a sliding contact which slides on the fixed contact, the fixed contact is fixed to the housing, and the sliding contact is fixed to the extension portion.
  • a shaft hole which extends along the rotation center line is formed in the shaft portion, a cylindrical rotary support portion is formed in the housing, and the shaft hole is rotatably supported on an outer circumferential surface of the rotary supporting portion.
  • the inside of the housing is partitioned by a partition wall, the cam portion, the follower, the holding spring member, and the hold release member are provided in one space partitioned off by the partition wall, and the return spring member is provided in the other space.
  • the holding spring member and the return spring member are provided in different spaces which are separated from each other in the state where the partition wall is interposed therebetween, two spring members do not come into contact with each other and do not interfere with each other, and it is possible to reliably perform operations with both springs.
  • the hold release member since the hold release member is returned to the initial posture by the holding spring member which presses the follower to the cam portion, it is possible to reduce the number of springs.
  • a rotary type input device 1 of a first embodiment of the present invention includes a housing 10.
  • the housing 10 is configured of a lower housing 11, an upper housing 15, and a holding metal fitting 18.
  • the lower housing 11 and the upper housing 15 are formed of synthetic resin materials, and the holding metal fitting 18 is formed of a metal plate material.
  • the lower housing 11 includes an annular bottom portion 12, and a lower circumferential wall portion 13 which integrally extends upward (Y1 direction) from the outer circumferential edge of the bottom portion 12.
  • a rotary supporting portion 14 which extends upward (Y1 direction) from the inner circumferential edge of the bottom portion 12 is integrally formed.
  • the rotary supporting portion 14 has a cylindrical shape, a cylindrical hole 14a thereof is formed to penetrate the lower housing 11 in a vertical direction(Y1-Y2 direction), and as shown in Fig. 1 , the cylindrical hole 14a is formed to penetrate vertically the entire housing 10.
  • a center line which is positioned at the center of the rotary supporting portion 14 and extends vertically is a rotation center line O.
  • the upper housing 15 includes a partition wall 16 which is formed in a plane orthogonal to the rotation center line O, and a circular opening portion 16a is formed in the partition wall 16.
  • An upper circumferential wall portion 17 is integrally formed upward (Y1 direction) from the outer circumferential edge of the partition wall 16.
  • the lower housing 11 and the upper housing 15 vertically overlap each other, and are combined to be positioned to each other by recession/protrusion fitting or the like.
  • the outer surfaces of the lower circumferential wall portion 13 and the upper circumferential wall portion 17 have the same shape as each other, and the outer surface of the lower circumferential wall portion 13 is approximately coincident with the outer surface of the upper circumferential wall portion 17 in a state where the lower housing 11 and the upper housing 15 are combined to each other.
  • the holding metal fitting 18 includes a cover plate portion 18a, and a circular opening portion 18b is formed in the cover plate portion 18a.
  • the holding metal fitting 18 includes a pair of first holding pieces 19a which is bent downward (Y2 direction) from the circumferential edge portion of the cover plate portion 18a, and multiple second holding pieces 19b.
  • the pair of first holding pieces 19a is fitted to holding grooves 17a which are formed on the outer surface of the upper housing 15, and is fitted to holding grooves 13a which are formed on the outer surface of the lower housing 11.
  • the multiple second holding pieces 19b elastically press the outer surface of the upper housing 15 and the outer surface of the lower housing 11, and bent portions 19c positioned on the lower end thereof are locked to the lower surface of the lower housing 11.
  • the lower housing 11 and the upper housing 15 are elastically held by the holding metal fitting 18 to assemble the housing 10.
  • the inside of the housing 10 is divided into a lower space S1 and an upper space S2 by the partition wall 16 of the upper housing 15.
  • the lower space S1 is surrounded by the bottom portion 12 and the lower circumferential wall portion 13 of the lower housing 11, and the partition wall 16.
  • the upper space S2 is surrounded by the partition wall 16 and the upper circumferential wall portion 17 of the upper housing 15 and the cover plate portion 18a of the holding metal fitting 18.
  • a rotary member 20 is accommodated inside the housing 10.
  • the rotary member 20 is formed of a synthetic resin material.
  • a shaft portion 21, and a flanged extension portion 22 which spreads in the circumferential direction from the lower portion of the shaft portion 21 are integrally formed.
  • the shaft portion 21 has a cylindrical shape, and a shaft hole 21a is formed to penetrate in the vertical direction (Y1-Y2 direction).
  • the shaft hole 21a of the rotary member 20 is inserted into the outer side of the rotary supporting portion 14 of the lower housing 11.
  • the upper portion of the shaft portion 21 of the rotary member 20 passes through the inside of the opening portion 16a formed in the partition wall 16 of the upper housing 15 and the inside of the opening portion 18b formed in the cover plate portion 18a of the holding metal fitting 18 to protrude upward, and the rotary member 20 slides on the outer circumferential surface of the rotary supporting portion 14 and can rotate about the rotation center line O.
  • the extension portion 22 of the rotary member 20 is positioned inside the lower space S1 of the housing 10, and a lower surface 22a of the extension portion 22 is installed on a protrusion portion 12a which is formed to have a higher step (Y1 direction) upward than the bottom portion 12 of the lower housing 11 on the inner surface of the bottom portion 12.
  • a rotation detection space S3 is formed on the outer circumferential side of the protrusion portion 12a, and a rotation detection unit 25 is accommodated inside the rotation detection space S3.
  • the rotation detection unit 25 is configured of a fixed contact 26 and a sliding contact 27.
  • the fixed contact 26 is fixed to the bottom portion 12 of the lower housing 11.
  • the fixed contact 26 is embedded to the lower housing 11 by a so-called insert molding method, and the contact portion of the fixed contact 26 is exposed to the inner surface of the bottom portion 12.
  • the contact portion is divided into multiple portions, and multiple terminals 26a continuous from the divided contact portions protrude downward from the lower housing 11.
  • the sliding contact 27 is formed of a conductive metal plate having spring property, and in the sliding contact 27, a fixed ring portion 27a, and multiple sliders 27b which are branched from the fixed ring portion 27a and are bent downward (Y2 direction) are integrally formed.
  • the fixed ring portion 27a is fixed to the extension portion 22 by caulking multiple fixation protrusions 28 which protrude from the lower surface 22a of the extension portion 22, and the sliders 27b can come into contact with the contact portion of the fixed contact 26.
  • a cam portion 30 is integrally formed with an extension surface 22b facing the top of the extension portion 22 of the rotary member 20.
  • the extension surface 22b which is the upper surface of the extension portion 22 is a surface intersecting the rotation center line O.
  • the cam portion 30 includes a cam surface which faces upward (Y1 direction).
  • the cam surface includes a return recessed portion 31, and includes a first holding recessed portion 32 and a second holding recessed portion 33 in this order in a ⁇ 2 direction from the return recessed portion 31.
  • a third holding recessed portion 34 is formed in a ⁇ 1 direction from the return recessed portion 31.
  • the lower surface of the extension portion 22 becomes an extension surface, and the cam portion 30 is formed on the lower surface.
  • the return recessed portion 31 is configured of a bottom portion 31a, and inclined portions 31b and 31b which are continuous to be adjacent to both sides of the bottom portion 31a in the rotation direction.
  • the first holding recessed portion 32 is also configured of a bottom portion 32a, and inclined portions 32b and 32b which are continuous to be adjacent to both sides of the bottom portion 32a.
  • each of the second holding recessed portion 33 and the third holding recessed portion 34 is configured of a bottom portion and inclined portions which are continuous to be adjacent to both sides of the bottom portion.
  • a boundary portion between the inclined portion 31b of the return recessed portion 31 and the inclined portion 32b of the first holding recessed portion 32 is a protrusion portion.
  • a boundary portion between the first holding recessed portion 32 and the second holding recessed portion 33 also is a protrusion portion
  • a boundary portion between the return recessed portion 31 and the third holding recessed portion 34 also is a protrusion portion.
  • the holding spring member 35 is formed of a metal spring material and has a ring shape.
  • a fixation portion 35a, and an elastic pressure portion 35c in which a portion of the ring is deformed downward (Y2 direction) are integrally formed.
  • Attachment holes 35b are formed on the fixation portion 35a, and the fixation portion 35a is fixed to the lower surface 16b of the partition wall 16 of the upper housing 15 by caulking fixation protrusion (not shown) integrally formed with the upper housing 15 to the attachment holes 35b.
  • the follower 36 facing the cam portion 30 is fixed to the center portion of the elastic pressure portion 35c of the holding spring member 35.
  • the follower 36 is formed of a synthetic resin material, and in the follower 36, a sliding protrusion portion 36a which slides on the cam portion 30, and a pressing portion 36b which further extends in the direction separated from the rotation center line O than the sliding protrusion portion 36a and has a recessed portion facing downward are integrally formed.
  • the follower 36 is biased in a downward direction which is the direction intersecting the extension surface 22b by an elastic force of the elastic pressure portion 35c of the holding spring member 35, and the follower 36 is pressed by the cam portion 30.
  • the lower surface 22a of the extension portion 22 of the rotary member 20 is pressed to the protrusion portion 12a formed on the bottom portion 12 of the lower housing 11 by the elastic force of the elastic pressure portion 35c, and thus, rattling of the rotary member 20 inside the housing 10 in the direction along the rotation center line O is prevented.
  • a pin-shaped (shaft-shaped) hold release member 37 is provided inside the lower space S1 of the housing 10.
  • a sliding hole 12b which penetrates vertically is formed on the bottom portion 12 of the lower housing 11, and the hold release member 37 is inserted into the sliding hole 12b and is slidingly supported in the vertical direction (Y1-Y2 direction) which is the direction (the direction parallel to the rotation center line O) intersecting the extension surface 22b.
  • a stopper 37b is integrally formed on the upper portion of the hold release member 37, and when the hold release member 37 is lowered to the initial posture shown in Fig. 1 , the stopper 37b comes into contact with the inner surface of the bottom portion 12 of the lower housing 11, and downward extraction of the hold release member 37 is prevented.
  • a pressing operation portion 37c on the lower end portion of the hold release member 37 protrudes downward from the bottom portion 12 of the lower housing 10.
  • a return spring member 4 0 and a spring support member 45 are accommodated inside the upper space S2 of the housing 10.
  • the spring support member 45 is formed of a synthetic resin material and has a ring shape.
  • a circular opening portion 46 is formed in the spring support member 45, and as shown in Fig. 1 , the opening portion 46 is inserted into the outer circumferential portion of the shaft portion 21 of the rotary member 20.
  • Engagement protrusions 47 protruding from three locations toward the opening portion 46 are integrally formed on the spring support member 45. Each engagement protrusion 47 engages with an engagement groove 21b which is formed upward (Y1 direction) in the shaft portion 21 of the rotary member 20, and the spring support member 45 can rotate along with the rotary member 20.
  • spring support member 45 As shown in Fig. 2 , in the spring support member 45, a pair of spring hook portions 48a and 48b which protrudes upward are integrally formed at two locations. In the upper housing 15, spring support protrusions 17b and 17c are integrally formed at two locations on the inner surface of the circumferential wall portion 17.
  • the return spring member 40 is a torsion spring, and includes a winding main body 41 around which a spring wire is wound, and locking arm portions 42a and 42b which are both end portions of the spring wire. As shown in Fig. 3 , the winding main body 41 of the return spring member 40 is installed on the outer circumferential portion of the shaft portion 21 of the rotary member 20 inside the upper space S2.
  • One locking arm portion 42a of the return spring member 40 is hooked to one spring hook portion 48a of the spring support member 45, and is hooked to the spring support protrusion 17b formed on the upper housing 15.
  • the other locking arm portion 42b is hooked to the other spring hook portion 48b and is hooked to the spring support protrusion 17c.
  • a force by which the rotary member 20 is returned to the return rotation position shown in Fig. 3 is always applied to the rotary member 20 by the elastic force of the return spring member 40.
  • the shaft hole 21a of the rotary member 20 to which the sliding contact 27 is fixed is inserted into the rotary support portion 14 of the lower housing 11.
  • the hold release member 37 is inserted into the sliding hole 12b, which is formed on the bottom portion 12 of the lower housing 11, from the top.
  • the fixation portion 35a of the holding spring member 35 is fixed to the lower surface 16b of the partition wall 16 of the upper housing 15, and the upper housing 15 is positioned on the lower housing 11 so as to be overlapped with each other.
  • the follower 36 which is fixed to the holding spring member 35 is pressed to the cam portion 30 of the rotary member 20, and the rotary member 20 is pressed downward.
  • the hold release member 37 is pressed downward by the follower 36.
  • the shaft portion 21 of the rotary member 20 protrudes upward from the opening portion 16a which is formed on the partition wall 16 of the upper housing 15.
  • the spring support member 45 and the return spring member 40 are mounted on the outer circumference of the shaft portion 21 which protrudes upward from the partition wall 16.
  • the holding metal fitting 18 is mounted from the top, and the lower housing 11 and the upper housing 15 are held by the holding metal fitting 18. At this time, the shaft portion 21 protrudes upward from the opening portion 18b which is formed in the holding metal fitting 18.
  • the rotary type input device 1 is provided inside a compartment of an automobile, and is used for switching of a shift lever or switching operations of various electrical components.
  • the cylindrical hole 14a of the lower housing 11 is formed to penetrate vertically along the rotation center line O in the rotary type input device 1. If the rotary type input device is mounted on the compartment, an operation knob is fixed to the tip portion of the shaft portion 21 of the rotary member 20. An illumination display portion such as characters or symbols is provided on the operation knob. In the mounting state, a light source is provided below the lower housing 11, light emitted from the light source passes through the inside of the cylinder hole 14a and is applied to the operation knob, and the display portion is illuminated.
  • the elastic force of the return spring member 40 configured of a torsion spring is equally applied to the rotary member 20 in the ⁇ 1 direction and the ⁇ 2 direction, and the rotary member 20 is returned to the return rotation position by the elastic force of the return spring member 40.
  • the sliding protrusion portion 36a of the follower 36 is pressed to the return recessed portion 31 of the cam portion 30 formed on the rotary member 20 by the elastic force of the elastic pressure portion 35c of the holding spring member 35.
  • the rotary member 20 is held at the return rotation position.
  • Fig. 5 shows a state where the rotary member 20 positioned at the return rotation position rotates in the ⁇ 1 direction and reaches a first input rotation position.
  • the first holding recessed portion 32 of the cam portion 30 formed in the rotary member 20 moves below the follower 36, the follower 36 is pressed to the cam portion 30 by the elastic force of the holding spring member 35, and the sliding protrusion portion 36a of the follower 36 is fitted into the bottom portion 32a of the first holding recessed portion 32.
  • the rotary member 20 is stabilized at the first input rotation position shown in Fig. 5 regardless of a return elastic force generated by the return spring member 40.
  • the rotary member 20 rotates in the ⁇ 2 direction from the return rotation position shown in Fig. 4 , the third holding recessed portion 34 provided in the rotary member 20 moves below the follower 36, and the sliding protrusion portion 36a of the follower 36 is fitted to the bottom portion of the third holding recessed portion 34. Accordingly, the rotary member 20 is held at the third input rotation position.
  • the switching output of the contact corresponding to each input rotation position is obtained from the terminal 26a according to the contact state between the sliding contact 27 and the fixed contact 26.
  • a return force is applied from the return spring member 40 to the rotary member 20.
  • a resistance force generated from the contact force between the follower 36 and the holding recessed portions 32, 33, and 34 of the cam portion 30 by the holding spring member 35 is set to be stronger than the return force. Accordingly, it is possible to stabilize the rotary member 20 at each of input position/rotation positions.
  • the sliding protrusion portion 36a of the follower 36 When the sliding protrusion portion 36a of the follower 36 is fitted to the first holding recessed portion 32, the second holding recessed portion 33 , or the third holding recessed portion 34 of the cam portion 30, if the pressing operation 37c of the hold release member 37 is pushed upward, the rotary type input device 1 is returned to the initial state.
  • the pressing operation portion 37c is pushed upward by an operation mechanism having a solenoid or the like, or is manually pushed upward.
  • the hold release member 37 which release the fitting between the follower 36 and the cam portion 30 is lowered to reach the initial posture as shown in Fig. 4 or 5 by the holding spring member 35. Since the follower 36 is pressed to the cam portion 30 by the holding spring member 35 and the hold release member 37 is biased to the initial posture by the holding spring member 35, it is possible to reduce the number of springs, simplify the structure, and reduce a manufacturing cost.
  • the holding spring member 35 may be pushed by the hold release member 37 to release the fitting between the follower 36 and the cam portion 30.
  • the rotary type input device 1 of the first embodiment since the cam portion 30 is formed on one extension surface 22b of the flanged extension portion 22 formed in the rotary member 20 and the sliding contact 27 is fixed to the other lower surface 22a, the rotary type input device 1 can be conf igured of the minimum number of components, and it is possible to decrease the size of the entire structure.
  • the inside of the housing 10 is divided by the partition wall 16, a holding mechanism including the holding spring member 35, the follower 36, and the hold release member 37 is disposed in one space S1, and a return mechanism including the return spring member 40 is disposed in the other space S2. Since a movable mechanism using springs is disposed in the space divided by the partition wall 16, the holding spring member 35 and the return spring member 40 do not come into contact with each other so as not to interfere with each other, and it is possible to reliably operate each mechanism.
  • Figs. 7 to 9 show a rotary type input device 101 of a second embodiment of the present invention.
  • the structure of the rotary type input device 101 of the second embodiment is different from the structure of the rotary type input device 1 of the first embodiment.
  • the same names and the same reference numerals are assigned to the portions having the same functions as those of the rotary type input device 1 of the first embodiment.
  • the housing 10 is configured of the lower housing 11, the upper housing 15, the partition wall 16, and the holding metal fitting 18.
  • the lower housing 11, the upper housing 15, and the partition wall 16 are configured of parts independent from each other.
  • the rotary supporting portion 14 is formed in the lower housing 11, and the shaft hole 21a of the shaft portion 21 of the rotary member 20 is rotatably mounted on the outer circumferential portion of the rotary supporting portion 14.
  • the inside of the housing 10 is divided into a lower space Sa and an upper space Sb by the partition wall 16.
  • the spring support member 45 and the return spring member 40 configured of a torsion spring are accommodated in the lower space Sa.
  • the spring support member 45 is fitted to the rotary member 20 and rotates along with the rotary member 20. Similarly to the first embodiment, the rotary member 20 is returned to the return rotation position (neutral position) by the return spring member 40.
  • the extension portion 22 extending from the outer circumferential portion of the rotary member 20 is positioned inside the upper space Sb.
  • the rotation detection unit 25 is configured between the lower surface 22a of the extension portion 22 and the partition wall 16.
  • the fixed contact 26 configuring the rotation detection unit 25 is fixed to the partition wall 16, and the sliding contact 27 is fixed to lower surface 22a of the extension portion 22.
  • the cam portion 30 is formed on the outer circumferential end of the flanged extension portion 22 formed on the rotary member 20.
  • the cam portion 30 includes the return recessed portion 31, the first holding recessed portion 32, the second holding recessed portion 33, and the third holding recessed portion 34.
  • the recessed portion of the cam portion 30 is recessed in the direction toward the rotation center line O, and the protrusion portion protrudes from the rotation center line O toward the outside in the radial direction.
  • the follower 36 is provided in the upper space Sb of the housing 10.
  • a sliding shaft 36d which protrudes upward is integrally formed on the follower 36, the sliding shaft 36d is inserted into a long guide hole 15b which is formed on a top plate portion 15a of the upper housing 15, and the follower 36 is guided to be movable in a ⁇ 1- ⁇ 2 direction.
  • the ⁇ 1- ⁇ 2 direction is a radial direction (radiation direction) with the rotation center line O as a center, that is, a direction which approaches or is separated from the rotation center line O. If the follower 36 moves in the ⁇ 1 direction, a sliding protrusion portion 36e formed on the follower 36 is fitted to the recessed portion of the cam portion 30.
  • the holding spring member 35 is accommodated in the upper space Sb of the housing 10.
  • the holding spring member 35 is formed of a metal leaf spring material.
  • fixation portions 35d and 35d positioned on both side of the holding spring member 35 are supported by the partition wall 16 or the upper housing 15, and the follower 36 is biased in the ⁇ 1 direction by an intermediate elastic pressure portion 35e.
  • the sliding protrusion portion 36e of the follower 36 comes into pressure-contact with the cam portion 30 by the elastic force.
  • the hold release member 37 is accommodated in the upper space Sb of the housing 10. As shown in Figs. 8 and 9 , the hold release member 37 has a curved shape along an arc and is positioned on the outer circumference of the shaft portion 21 of the rotary member 20.
  • An upward support shaft 37d is integrally formed in the center portion of the hold release member 37, the support shaft 37d is inserted into a support hole (not shown) of the top plate portion 15a of the upper housing 15, and the hold release member 37 is supported so as to be rotatable (swingable) in a ⁇ 1- ⁇ 2 direction in a plane intersecting (orthogonal to) the rotation center line O.
  • One end of the hold release member 37 is a hold release portion 37e, and a connection recessed portion 37f which is formed on the hold release portion 37e is connected to the sliding shaft 36d of the follower 36.
  • a pressing operation portion 37g is formed on the other end of the hold release member 37, and the pressing operation portion 37g protrudes toward the outside of the housing 10.
  • the rotary member 20 is returned to the return rotation position shown in Fig. 8 by the elastic force of the return spring member 40.
  • the follower 36 is biased in the ⁇ 1 direction by the elastic pressure portion 35e of the holding spring member 35, and the sliding protrusion portion 36e of the follower 36 is fitted to the return recessed portion 31 of the cam portion 30.
  • the hold release member 37 rotates in the ⁇ 2 direction with the support shaft 37d as a center to reach the hold release posture, the follower 36 moves in the ⁇ 2 direction, fitting between the sliding protrusion portion 36e of the follower 36 and any one of the holding recessed portions 32, 33, and 34 of the cam portion 30 is released, and the rotary member 20 is returned to the return rotation position shown in Fig. 8 by the biasing force of the return spring member 40.
  • both the follower 36 and the hold release member 37 are biased by the holding spring member 35, it is possible to reduce the number of springs.
  • the follower 36 is directly moved by the hold release member 37, it is possible to reliably release the fitting between the follower 36 and the holding recessed portions 32, 33, and 34.

Landscapes

  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
EP15761544.4A 2014-03-13 2015-02-20 Dreheingabevorrichtung Not-in-force EP3133629B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2014050237 2014-03-13
PCT/JP2015/054739 WO2015137086A1 (ja) 2014-03-13 2015-02-20 回転型入力装置

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EP3133629A1 true EP3133629A1 (de) 2017-02-22
EP3133629A4 EP3133629A4 (de) 2018-03-07
EP3133629B1 EP3133629B1 (de) 2018-12-05

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Family Cites Families (5)

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Publication number Priority date Publication date Assignee Title
JPS5959430U (ja) * 1981-12-23 1984-04-18 帝国通信工業株式会社 小形自動センタ−復帰回転型スイツチ
JPS59111212A (ja) * 1982-12-15 1984-06-27 アルプス電気株式会社 回転操作型電気部品
JPH0433234U (de) * 1990-07-16 1992-03-18
JP2564057Y2 (ja) * 1993-08-18 1998-03-04 ホシデン株式会社 ロータリスイッチ
EP2594423B1 (de) * 2011-11-21 2014-11-05 Valeo Autoklimatizace k.s. Steuervorrichtung

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EP3133629B1 (de) 2018-12-05
EP3133629A4 (de) 2018-03-07

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