WO2012043252A1 - Position sensor - Google Patents

Position sensor Download PDF

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Publication number
WO2012043252A1
WO2012043252A1 PCT/JP2011/071084 JP2011071084W WO2012043252A1 WO 2012043252 A1 WO2012043252 A1 WO 2012043252A1 JP 2011071084 W JP2011071084 W JP 2011071084W WO 2012043252 A1 WO2012043252 A1 WO 2012043252A1
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WO
Grant status
Application
Patent type
Prior art keywords
portion
sliding portion
provided
sliding
member
Prior art date
Application number
PCT/JP2011/071084
Other languages
French (fr)
Japanese (ja)
Inventor
友博 南雲
Original Assignee
日本精機株式会社
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

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62KCYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K23/00Rider-operated controls specially adapted for cycles, i.e. means for initiating control operations, e.g. levers, grips
    • B62K23/02Rider-operated controls specially adapted for cycles, i.e. means for initiating control operations, e.g. levers, grips hand actuated
    • B62K23/04Twist grips
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00Measuring arrangements characterised by the use of electric or magnetic means
    • G01B7/30Measuring arrangements characterised by the use of electric or magnetic means for measuring angles or tapers; for testing the alignment of axes
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/142Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage using Hall-effect devices
    • G01D5/145Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage using Hall-effect devices influenced by the relative movement between the Hall device and magnetic fields
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62KCYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K2207/00Sensors adapted for use on cycles, not otherwise provided for

Abstract

Provided is a position sensor which is not susceptible to causing an unfamiliar sense of feeling about operation. The position sensor (1) includes: a sensed section (4) which rotates with the rotating action of a steering wheel grip (3) provided on a steering wheel bar (2); a sensing section (5) for sensing the sensed section (4); and a case (6) for accommodating the sensed section (4) and the sensing section (5). The position sensor (1) is adapted to include a holder member (4a) for constituting the sensed section (4), and a supporting member (7) for rotatably supporting the holder member (4a) and for retaining the sensing section (5). The position sensor (1) is also adapted such that: the holder member (4a) is provided with a first sliding portion (4d) which slides on the supporting member (7); the supporting member (7) is provided with a second sliding portion (76) which slides on the first sliding portion (4d); and the holder member (4a) is provided with a cover portion (4e) for covering the slide contact portion between the first sliding portion (4d) and the second sliding portion (76).

Description

Position detecting device

The present invention relates to a position detecting device for detecting an operation position of the operating means such as a motorcycle handle grip by the magnetic detector such as a Hall IC.

Conventional position detector have been proposed those disclosed in Patent Document 1. The position detecting device, the operation feeling close to operation feeling of the accelerator operating device comprising a wire for opening and closing the throttle valve, in order to give the person who operated, when the grip body rotates, the grip It was equipped with frictional resistance torque applying means for applying a frictional resistance torque according to the amount of rotation of the main body portion to the grip body. Frictional force between the frictional resistance torque applying means, said comprises a friction member in contact with the grip body, and the friction member and the grip body is in surface contact, the friction member and the grip body by was to obtain a frictional resistance torque.

JP 2006-182178 JP

In a conventional position detecting device, a portion with the frictional resistance torque applying means and said grip body is surface contact is housed inside a housing member. However, in the saddle riding vehicles such as motorcycles such a position detecting device is used, foreign matter such as dust or dirt penetrates into the cover member, further, the said frictional resistance torque applying means grip body foreign matter invades in surface contact portion with the results in giving a change in the frictional force between the friction member and the grip body, there is a possibility of giving an uncomfortable feeling to the operation feeling.

The present invention focuses on the above-mentioned problems, and an object thereof is to provide a position detecting device hardly feel uncomfortable in operation feeling.

Position detecting apparatus according to the present invention, the detection unit which rotates based on the rotation of the handle grip on the handle bars and a detecting unit for detecting the detected part, wherein the detection target portion detector the position detecting apparatus having a case for accommodating the door, comprising a holder member which constitutes the detected part, and a support member for holding the detection unit while supporting the holder member rotatably, said holder a first sliding portion for the support member and the sliding members is provided, the second sliding portion that slides with the first sliding portion on the support member is provided, on the holder member or the support member it is provided with a cover portion that covers the sliding portion between the first sliding portion and the second sliding portion.

Further, the first, second sliding portion is annular.

Furthermore, the cover part has a cylindrical shape, but its central axis which is the same as the pivot shaft of the handle grip.

According to the present invention as described above, it is possible to provide a position detecting device hardly feel uncomfortable in operation feeling.

Side view of a first embodiment of the present invention. Cross-sectional view of line A-A FIG. Sectional view in FIG. 2 B-B line. Sectional view of a second embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings, a description will be given of a first embodiment of the present invention, for example the position detecting device for detecting an operation position of the handle grip provided rotatably motorcycle handlebar (rotation angle) .

Position detecting device 1 of the present invention, which is provided on a motorcycle handlebar 2 (not shown), a handle grip 3, a part to be detected 4 that rotates together with the handle grip 3, detects the detected portion 4 a detecting unit 5, and a support member 7 fixed detection portion 5 to support the part to be detected 4 rotatably, and a case 6 which houses the detecting unit 5 and the detection unit 4.

Handlebar 2 is made of a metal as iron or aluminum, a cylindrical shape.

The handle grip 3 is made of synthetic resin is constituted by a sleeve 3a and the grip portion 3b, the sleeve 3a is a cylindrical shape and is positioned rotatably on the outer periphery of the handlebar 2. The sleeve 3a has an end portion on the left side in FIG. 3, and a flange portion 3c. The flange portion 3c is disc-shaped, are provided seamlessly on the outer periphery of the handle grip 3. Then, a part of the edge, connected to the part to be detected 4, and a connecting portion 3d for transmitting the rotation of the handle grip 3. In Figure 3, C is a rotation shaft of the handle grip 3.

Grip portion 3b is a portion which the driver grips made of an elastic material such as rubber, covers seamlessly the outer periphery of the sleeve 3a, and is firmly fixed to the sleeve 3a.

The detection unit 4, a holder member 4a, a magnet 4b, consists of a yoke 4c, with the magnet 4b and the yoke 4c, constitute a magnetic member.

Holder member 4a is made of a synthetic resin, an annular, support member 7 has a hole 41 which penetrates and is rotatably supported by the support member 7. Further, the holder member 4a, connecting portion 3d is provided with a receiving portion 42 composed of a recess are inserted provided on the handle grip 3. By inserting the receiving portion 42 the connecting portion 3d of the handle grip 3, rotation of the handle grip 3 is transmitted to the holder member 4a, in which the part to be detected 4 is rotated.

Holder member 4a includes a first sliding portion 4d which slides the support member 7, and a cover portion 4e.

The first sliding portion 4d provided on the holder member 4a is a surface perpendicular to the rotation axis C of the handle grip 3, the side opposite to the side provided with the handle grip 3 of the holder member 4a, That is, the center side of the motorcycle is provided in (in the left side of FIG. 3). The first sliding portion 4d is annular, it is formed larger than the outer diameter of the return spring 8 which will be described later. Further, the first sliding portion 4d is a smooth flat surface.

Cover unit 4e is in a protruding cylindrical shape toward the center of the two-wheeled vehicle (in the left side of FIG. 3). Further, the cover unit 4e is in the unbroken cylindrical. The center axis of the cover unit 4e is the same as the rotation axis C of the handle grip 3. Cover unit 4e is provided on the outer side of the first sliding portion 4d, and covers the sliding portion between the second sliding portion, which will be described later with the first sliding portion 4d.

Magnet 4b is made of a permanent magnet, a cylindrical shape, in this embodiment, it is provided two. Two magnets 4b are fixed to both the holder member 4a.

Yoke 4c is made of a soft magnetic material metal, a plate-shaped, and a semi-circular arc shape. Yoke 4c is fixed to the holder member 4a. Yoke 4c are provided one. Yoke 4c is in contact with two magnets 4b at both ends, it constitutes a closed magnetic circuit.

Detector 5 is made from a magnetic detection element 51 and the circuit board 52 constitute a magnetic detection unit.

The magnetic detection element 51 is for converting a change in magnetic flux density into an electrical signal, for example, a Hall element or the like. Magnetic sensing element 51, two provided and is disposed along the plate surface of the yoke 4c, detects a change in the leakage magnetic flux density of the closed magnetic circuit formed by the magnet 4b and the yoke 4c .

Circuit board 52 is provided with a glass epoxy electronic component conductive path and not shown in the insulating base material is the conductive path electrically connected such as a resin or the like. The magnetic detection element 51 is electrically connected to the circuit board 52. Further, the circuit board 52, the wiring 54 connected to the external circuit are electrically connected. Signal of the magnetic detecting element 51 is outputted through the circuit board 52 and the wiring 54 to an external circuit.

53 is a circuit holder 53, is formed integrally with the support member 7. Circuit holder 53 has a cup-shaped, is for housing the magnetic sensing element 51 and the circuit board 52. In particular, the circuit holder 53 includes a bag-shaped housing portion 55 for housing the magnetic sensing element 51, the magnetic sensing element 51 is fitted into the housing portion 55. Housing portion 55, close to the yoke 4c, is provided along the plate surface of the yoke 4c.

The support member 7 is made of synthetic resin, an annular, a tubular body provided with a hole 71 for the handle bar 2 passes, it surrounds the outer periphery of the handlebar 2. Then, the support member 7, to the handlebar 2, and is fixed so as not to rotate by means not shown. The support member 7 is provided with a pivot support portion 72 of the cylindrical shape, and supports the part to be detected 4 rotatably.

The support member 7, in FIG. 3, the left side of the rotation support portion 72, and a flange portion 73 of larger outer circumference than the outer circumference of the rotation supporting portion 72. The flange portion 73 includes a cylindrical portion 77 having a second sliding portion 76.

The support member 7 is in Fig. 3, the right side of the pivot support portion 72, stop member 74 is mounted missing. The retaining member 74 serves to prevent from falling off from the rotation supporting portion 72 of the detection unit 4, the rotation axis direction of the handle grip 3 of the detector 4, to restrict the movement of the right side in FIG. 3 it is intended. Further, between the retaining member 74 and the holder member 4a, the spring 9 is provided. The spring 9 is a coil spring, used to move the holder member 4a into the left side of FIG. 3, by pressing a holder member 4a to the flange portion 73 of the support member 7, a first sliding portion 4d first a second sliding portion 76 can contact while applying a predetermined force.

The support member 7 is provided with a support portion 75 which is extended from the flange portion 73. The support portion 75, the circuit holder 53 of the detection unit 5 is formed integrally. Incidentally, 8 is a return spring made of a coil spring, is intended to return the handle grip 3, which is operated by a driver to the initial position. One end of the return spring 8 is fixed to the holder member 4a of the detecting section 4, the other end is fixed to the support member 7.

Cylindrical portion 77, projecting toward the handle grip 3 side (right side in FIG. 3), and the unbroken cylindrical. The center axis of the cylindrical portion 77 is the same as the rotation axis C of the handle grip 3. Cylindrical portion 77 is provided inside the cover portion 4e, and the cylindrical portion 77 and the cover unit 4e, the holder member 4a having a cover portion 4e is in contact with the extent rotatable.

End of the cylindrical portion 77, i.e., the end portion of the right side in FIG. 3 of the cylindrical portion 77 is provided with a vertical plane with respect to rotation axis C of the handle grip 3, this surface, a second sliding it is a dynamic part 76. The second slide portion 76 is an annular, is intended to face the first sliding portion 4d. The second slide portion 76 is a smooth flat surface as in the first sliding portion 4d. Sliding portion between the first sliding portion 4d and the second sliding portion 76 is covered by the cover portion 4e.

Case 6 is composed of first and second cases 61 and 62 Metropolitan. First, both the second case 61, made of synthetic resin, a cup-shaped approximately semicircular shape. First and second cases 61 and 62 is to divide along the rotational axis C of the handle grip 3. The first and second cases 61 and 62 are secured by suitable means such as welding.

Case 6 is for receiving a detection unit 5 and the detection unit 4. In the present embodiment, the supporting member 7 also constitutes a part of an outer shell which houses the detecting unit 5 and the detection unit 4 with casing 6. Case 6 is fixed so as not to rotate by means not shown to the handle bar 2.

Incidentally, 63 is a packing, the wiring 54 of the detection unit 5 extends through.

With the above configuration, foreign substances such as dust or dirt that has entered into the case 6, to prevent the entering the sliding portion between the first sliding portion 4d and the second sliding portion 76, the first by suppressing the change in the frictional force between the sliding portion 4d and the second sliding portion 76, it is possible to provide a position detecting device hardly feel uncomfortable in operation feeling.

Further, by assembling the detector 5 and the detector 4 to the support member 7, the detecting unit 4, the detection unit 5, and a support member 7 it can be handled as a single assembly, the manufacturing process or vehicle in the assembly process or the like, the handling is facilitated, can be improved and cost savings workability.

In the first embodiment of the present invention, had a cover portion 4e to the holder member 4a, is not limited to this embodiment, as in the second embodiment shown in FIG. 4, the cover to the support member 7 part 78 may be provided.

In this second embodiment, the holder member 4a, and a cylindrical portion 4g having a first sliding portion 4f.

Cylindrical portion 4g is projecting toward the center of the two-wheeled vehicle (in FIG. 3 left), and the unbroken cylindrical. The center axis of the cylindrical portion 4g is the same as the rotation axis C of the handle grip 3. Cylindrical portion 4g is provided inside the cover portion 78 and the cylindrical portion 4g and the cover portion 78, the holder member 4a having a cylindrical portion 4g is in contact with the extent rotatable.

End of the cylindrical portion 4g, i.e., the end portion in FIG. 3 the left of the cylindrical portion 4g is provided with a vertical plane with respect to rotation axis C of the handle grip 3, this surface, the first sliding it is a dynamic part 4f. The first sliding portion 4f is annular, is intended to face the second sliding portion 79 to be described later. Further, the first sliding portion 4f is a smooth flat surface.

The second slide portion 79 provided in the flange portion 73 of the support member 7 is a surface perpendicular to the rotation axis C of the handle grip 3, the side provided with the handle grip 3 of the support member 7, i.e. , it is provided on the right side in FIG. The second slide portion 79 has an annular shape, and is larger than the outer diameter of the return spring 8. The second slide portion 79 is a smooth flat surface.

Cover portion 78 has a cylindrical shape projecting toward the handle grip 3 side (right side in FIG. 3). Further, the cover portion 78 is in the unbroken cylindrical. The center axis of the cover portion 78 is the same as the rotation axis C of the handle grip 3. Cover portion 78 is provided on the outer side of the second sliding portion 79, and covers the first sliding portion 4f the sliding portion between the second sliding portion 79.

With the above configuration, it is possible to obtain the same effects as the first embodiment.

The present invention is applicable to a position detection device that detects an operation position of the operating means such as a motorcycle handle grip.

1 position detecting apparatus 2 Handlebar 3 handle grip 4 the detection unit 4a holder 4d first sliding portion 4e cover portion 5 detector 7 supporting member 76 second slide portion C rotation shaft of the

Claims (3)

  1. Comprises a detected portion that rotates based on rotation of the handle grip on the handle bar, and a detector for detecting the detected part, wherein a case for accommodating a and the detected portion the detector in the position detecting device, said a holder member which constitutes the detected portion, said holder member and a support member for holding the detection unit while rotatably supporting the support member and the sliding said holder member a first sliding portion is provided, and said second sliding portion that slides with the first sliding portion on the support member is provided, the holder member or the first sliding portion on the support member second position detecting apparatus characterized in that a cover portion for covering the sliding portion between the sliding portion of the.
  2. Wherein the first, second sliding portion, the position detecting device according to claim 1, characterized in that the annular.
  3. The cover part has a cylindrical shape, the position detecting device according to the central axis to claim 1, characterized in that it has the same as the pivot shaft of the handle grip.
PCT/JP2011/071084 2010-09-28 2011-09-15 Position sensor WO2012043252A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2010-216527 2010-09-28
JP2010216527A JP2012073050A (en) 2010-09-28 2010-09-28 Position detecting device

Publications (1)

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WO2012043252A1 true true WO2012043252A1 (en) 2012-04-05

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Application Number Title Priority Date Filing Date
PCT/JP2011/071084 WO2012043252A1 (en) 2010-09-28 2011-09-15 Position sensor

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WO (1) WO2012043252A1 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002256904A (en) * 2001-02-28 2002-09-11 Mikuni Corp Accelerator operation device
JP2010168025A (en) * 2008-12-25 2010-08-05 Asahi Denso Co Ltd Throttle grip device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002256904A (en) * 2001-02-28 2002-09-11 Mikuni Corp Accelerator operation device
JP2010168025A (en) * 2008-12-25 2010-08-05 Asahi Denso Co Ltd Throttle grip device

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JP2012073050A (en) 2012-04-12 application

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