WO2024185291A1 - スライドスイッチ、及びそれを備える操作レバー装置 - Google Patents
スライドスイッチ、及びそれを備える操作レバー装置 Download PDFInfo
- Publication number
- WO2024185291A1 WO2024185291A1 PCT/JP2024/000465 JP2024000465W WO2024185291A1 WO 2024185291 A1 WO2024185291 A1 WO 2024185291A1 JP 2024000465 W JP2024000465 W JP 2024000465W WO 2024185291 A1 WO2024185291 A1 WO 2024185291A1
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- WO
- WIPO (PCT)
- Prior art keywords
- sensor
- housing
- magnet
- slide
- slide switch
- 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
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
- H01H21/02—Details
- H01H21/04—Cases; Covers
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
- G05G1/02—Controlling members for hand actuation by linear movement, e.g. push buttons
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
- G05G1/08—Controlling members for hand actuation by rotary movement, e.g. hand wheels
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G25/00—Other details or appurtenances of control mechanisms, e.g. supporting intermediate members elastically
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- 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
- H01H19/04—Cases; Covers
-
- 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
- H01H19/20—Driving mechanisms allowing angular displacement of the operating part to be effective in either direction
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
- H01H21/02—Details
- H01H21/18—Movable parts; Contacts mounted thereon
- H01H21/22—Operating parts, e.g. handle
- H01H21/24—Operating parts, e.g. handle biased to return to normal position upon removal of operating force
Definitions
- the present disclosure relates to a slide switch having a slide member rotatably supported on a housing, and an operating lever device having the same.
- Slide switches are used in the control levers of construction machinery and various other devices.
- One example of a slide switch is the rotation control device of Patent Document 1.
- the moving actuator is configured to be rotatable around an axis (i.e., slidable).
- a signal is output when the moving actuator rotates by more than a predetermined angle in each of the first and second directions.
- a slide switch such as the rotation control device of Patent Document 1
- a magnetic sensor mechanism in the slide switch.
- a magnetic sensor mechanism for example, a magnet is placed on a slide member that corresponds to the moving actuator. Then, a signal according to the amount of rotation is output by detecting the change in the magnetic field of the magnet when the slide member rotates with a sensor.
- a mounting hole is formed in the slide member around the rotation axis. Then, a magnet is embedded in the mounting hole during assembly. When embedding the magnet, the mounting hole is filled with a filler such as an adhesive or resin material, thereby fixing the magnet to the mounting hole.
- the magnet When assembling such a slide switch, the following can occur. That is, the magnet may not be embedded in the mounting hole. Also, the magnet needs to be embedded and fixed in the mounting hole in a specified position, but it may be embedded in the mounting hole in an incorrect position (for example, tilted) due to a malfunction in the work. Forgetting to embed or embedding in an incorrect position is difficult to confirm unless an output signal inspection is performed on all products after assembly. Therefore, it is required to be able to easily confirm forgetting to embed or embedding in an incorrect position. Furthermore, when a magnetic sensor mechanism is used, the respective positions of the magnet and sensor affect the accuracy of the detection result. Therefore, it is required that the sensor be positioned accurately in the desired position relative to the magnet.
- the first disclosure therefore aims to provide a slide switch that can easily check whether a magnet has been left embedded or embedded in an incorrect position, and an operating lever device that is equipped with the slide switch.
- the second disclosure also aims to provide a slide switch in which a sensor can be accurately positioned at a desired position relative to a magnet, and an operating lever device equipped with the same.
- the slide switch of the first disclosure comprises a housing, a slide member arranged in the housing so as to be rotatable around a predetermined rotation axis, and a sensor mechanism for detecting the amount of rotation of the slide member, the sensor mechanism having a magnet arranged on the rotation axis of the slide member, and a sensor arranged on the rotation axis of the housing and detecting a change in the magnetic field of the magnet, the slide member having a bottomed mounting hole formed around the rotation axis and a lid member for closing the opening of the mounting hole, the mounting hole having a housing portion formed on the bottom side and housing the magnet, and a fitting portion formed on the opening side and fitting the lid member, the magnet is arranged in the housing portion protruding from the fitting portion in the axial direction along which the rotation axis extends, and the lid member is formed shorter than the fitting portion by the amount by which the magnet protrudes from the fitting portion in the axial direction.
- the cover member is formed shorter than the mating portion by the amount that the magnet protrudes into the mating portion in the axial direction. Therefore, the state of the magnet being housed can be confirmed by the state of fit of the cover member in the mounting hole. For example, if the cover member is housed in the mounting hole in a state where it protrudes from the opening of the mounting hole, it can be confirmed that the magnet is housed in the housing portion in a premature position. On the other hand, if the cover member is inserted into the mounting hole in a state where it is recessed relative to the opening of the mounting hole, it can be confirmed that the magnet has been forgotten to be inserted into the housing portion.
- the slide switch of the second disclosure comprises a housing, a slide member supported by the housing so as to be rotatable about a predetermined rotation axis, and a sensor mechanism for detecting the amount of rotation of the slide member, the sensor mechanism having a magnet provided on the slide member on the rotation axis, and a sensor provided on the housing on the rotation axis for detecting changes in the magnetic field of the magnet, the housing having a sensor accommodating portion that opens in one side of a first direction perpendicular to the axial direction and extends in the other side of the first direction, and into which the sensor is inserted, the sensor accommodating portion having a positioning portion that protrudes in the axial direction toward the other side of the first direction, the sensor having a detection portion that detects changes in the magnetic field, and is positioned in the first direction by abutting the detection portion against the positioning portion.
- the senor has a detection unit that detects changes in a magnetic field, and is positioned in the first direction by abutting the detection unit against the positioning unit. Therefore, it is possible to improve the positioning accuracy of the sensor in the housing, particularly the detection unit, in the first direction.
- the operating lever device disclosed herein includes an operating lever that extends in a predetermined direction and is pivoted on one side in the predetermined direction, and any one of slide switches 1 to 8, and the slide switch is disposed on the other side of the operating lever in the predetermined direction.
- the operating lever device is provided with the aforementioned slide switch that is disposed on the other side of the operating lever in the predetermined direction. Therefore, it is possible to realize an operating lever device having the aforementioned functions.
- the slide switch of the first disclosure makes it easy to check whether the magnet has been forgotten to be embedded or embedded in the wrong position.
- the senor can be positioned accurately at the desired location relative to the magnet.
- the operating lever device disclosed herein provides an operating lever device having the functions described above.
- FIG. 1 is a perspective view showing an operating lever device including a slide switch according to an embodiment of the present invention
- FIG. 2 is a perspective view showing the slide switch of FIG. 1
- 3 is a cross-sectional view showing the slide switch of FIG. 2 cut along an imaginary plane X
- 4 is a cross-sectional view of the slide switch of FIG. 3 taken along line IV-IV.
- 4 is a perspective cross-sectional view showing a second housing part of the slide switch of FIG. 3 taken along line VV.
- 4 is a bottom view of the slide switch of FIG. 3 as viewed from one side in a first direction.
- FIG. 4 is an exploded perspective view showing the slide member.
- the operating lever device 2 shown in Fig. 1 is provided on a work vehicle such as a construction vehicle such as a shovel or a crane, or an industrial vehicle such as a forklift.
- the operating lever device 2 is provided on the driver's seat of the work vehicle. More specifically, the operating lever device 2 is pivotally supported on a base (not shown) provided in the cabin.
- An operator such as a driver of the work vehicle can operate various components of the work vehicle by gripping and moving the operating lever device 2.
- the operating lever device 2 includes an operating lever 5, a plurality of switches 6 to 9, and a slide switch 1.
- the operating lever 5 is a hollow rod-shaped member that extends in a predetermined direction, and is configured to be grippable.
- the operating lever 5 is pivotally supported at one side in the predetermined direction (in this embodiment, one end in the predetermined direction) on a base (not shown).
- the operating lever 5 can be tilted in various directions (for example, all directions including forward, backward, left and right).
- the multiple switches 6-9 are arranged on the other side of the operating lever 5 in the specified direction.
- four switches 6-9 are arranged at the other end of the operating lever 5 in the specified direction.
- the four switches 6-9 are, for example, button switches, and are arranged in two rows at the other end of the operating lever 5 in the specified direction.
- Each of the four switches 6-9 outputs a signal when pressed (i.e., operated).
- the slide switch 1 is also arranged on the other side in the predetermined direction of the operating lever 5.
- the slide switch 1 is arranged on one side in the row direction of the four switches 6 to 9.
- the slide switch 1 is a magnetic switch and is configured as follows.
- the slide switch 1 is configured to be slidable (see arrow A). When the slide switch 1 is slid, it outputs a signal. As shown in FIG. 3, the slide switch 1 includes a slide switch mechanism 11 and a sensor mechanism 12.
- the slide switch mechanism 11 is configured to be slidably operated as shown in Fig. 2 (see arrow A).
- the slide switch mechanism 11 includes a housing 15, a slide member 16, and a spring member 17 as shown in Figs.
- the first housing part 18 is formed in a rectangular box shape.
- the first housing part 18 opens to one side in the first direction.
- the ceiling part 18a on the other side in the first direction of the first housing part 18 is curved in a convex shape.
- the first housing part 18 has an opening 21, a first pivot part 22, and an inner cover part 23.
- the opening 21 is formed in the ceiling part 18a.
- the opening 21 extends in the longitudinal direction (or in the circumferential direction around the rotation axis L1, which will be described in detail later) in the ceiling part 18a.
- the opening 21 is formed, for example, in a rectangular shape in a plan view seen from one side in the first direction (see FIG. 2).
- the first support portion 22 is formed to correspond to the second support portion 26 described later, and constitutes the support portion 24 together with the second support portion 26.
- the first support portion 22 is formed in a semicircular shape around the rotation axis L1.
- the rotation axis L1 is an axis that passes through the housing 15 (the first housing portion 18 in this embodiment). More specifically, the rotation axis L1 is an axis that extends in a direction perpendicular to the first direction. In this embodiment, the rotation axis L1 passes through the center of the housing 15 and extends in the short direction.
- the first support portion 22 is formed with two first support portions 22 in the first housing portion 18. The two first support portions 22 are arranged apart from each other in the axial direction (i.e., the short direction) along which the rotation axis L1 extends.
- the inner cover portion 23 thus formed forms a slide space 25 within the first housing portion 18.
- the slide space 25 is a space formed between the ceiling portion 18a and the inner cover portion 23, and is formed in a semicircular shape centered on the rotation axis L1. At least a portion of the slide space 25 (in this embodiment, the circumferential middle portion) faces outward through the opening 21.
- the second housing portion 19 has a second pivot portion 26 and a sensor accommodating portion 27.
- the second pivot portion 26 is formed to correspond to the first pivot portion 22. That is, two second pivot portions 26 are formed in the second housing portion 19.
- the two second pivot portions 26, together with the corresponding first pivot portion 22, constitute two pivot portions 24.
- a shaft portion 31, which will be described in detail later, is inserted into each of the two pivot portions 24.
- the two pivot portions 24 support both axial end portions of the shaft portion 31 so that the shaft portion 31 can rotate around the rotation axis L1.
- the sensor accommodating portion 27 is a hole with a bottom. As shown in FIG. 5, the sensor 42, which will be described later in detail, is accommodated in the sensor accommodating portion 27. As shown in FIG. 6, the sensor accommodating portion 27 is formed on an end face on one side of the first direction of the second housing portion 19, that is, the first direction end face 19a. In FIG. 6, the first direction end face 19a is hatched for convenience of explanation. As shown in FIG. 5, the sensor accommodating portion 27 opens on one side of the first direction and extends in the first direction. To explain in more detail, the sensor accommodating portion 27 has an opening 27a on the first direction end face 19a of the second housing portion 19, and extends from the opening 27a to the other side of the first direction.
- the sensor accommodating portion 27 is formed so as to be adjacent to one axial side of the pivot support portion 24 in the second housing portion 19. Furthermore, the sensor accommodating portion 27 has a positioning portion 27b on the other side of the first direction. The positioning portion 27b protrudes in the axial direction in the sensor housing portion 27. In this embodiment, the positioning portion 27b protrudes in one axial direction from the shaft support portion 24 side in the sensor housing portion 27.
- the sensor accommodating section 27 is formed to be wide in the second direction, which corresponds to the longitudinal direction, when viewed from the bottom from one side in the first direction.
- the sensor accommodating section 27 is formed in a rectangular shape that is wide in the second direction.
- the sensor accommodating section 27 has fitting grooves 27c on both side surfaces in the second direction.
- the fitting grooves 27c are recessed in the second direction.
- the fitting grooves 27c extend from the opening 27a of the sensor accommodating section 27 to the other side in the first direction.
- the slide member 16 is a member made of synthetic resin.
- the slide member 16 is disposed in the housing 15 so as to be rotatable about a rotation axis L1.
- a finger such as a thumb can be pressed against the slide member 16.
- the slide member 16 rotates (i.e., slides) about the rotation axis L1 by being pushed and pulled (i.e., slid) by the finger.
- the slide member 16 has a shaft portion 31, a slide body 32, an operation portion 33, an attachment hole 35, and a cover member 36, as shown in FIG. 7 .
- the shaft portion 31 is supported by the support portion 24 so as to be rotatable around the rotation axis L1.
- bearings 37 are fitted to both axial ends of the shaft portion 31. Both axial ends of the shaft portion 31 are supported by the support portion 24 via the bearings 37. Therefore, the shaft portion 31 can rotate around the rotation axis L1.
- the shaft portion 31 also rotates around the rotation axis L1 in conjunction with the slide body 32, as will be described in detail later.
- the slide body 32 is provided in the housing 15 so as to be rotatable around the rotation axis L1 as shown in FIG. 4.
- the slide body 32 rotates around the rotation axis L1 when operated.
- the slide body 32 is formed in an arc shape centered on the rotation axis L1.
- the slide body 32 is accommodated in the slide space 25 so as to be rotatable around the rotation axis L1.
- the slide body 32 is inserted into the slide space 25 so as to protrude a portion from the opening 21.
- the slide body 32 is connected to the shaft portion 31 via the connecting portion 34.
- the connecting portion 34 extends, for example, from the shaft portion 31 radially outward toward the slide body 32.
- the inner cover portion 23 has an insertion groove 23a formed at a position corresponding to the connecting portion 34.
- the insertion groove 23a extends, for example, from one circumferential end to the other circumferential end of the inner cover portion 23 in the circumferential direction.
- the connecting portion 34 is inserted into the insertion groove 23a and can move in the circumferential direction in the insertion groove 23a. This allows the shaft portion 31 to be linked to the slide body 32 by the connecting portion 34.
- the operating unit 33 is for operating the slide member 16.
- the operating unit 33 is provided on the slide body 32. More specifically, the operating unit 33 protrudes radially outward from the circumferential middle part of the slide body 32. The operating unit 33 protrudes on the other side of the opening 21 in the first direction. Therefore, a finger such as a thumb can be pressed against the operating unit 33. By pushing and pulling the pressed finger, the operating unit 33 can rotate the slide body 32 around the rotation axis L1.
- the mounting hole 35 is a bottomed hole formed around the rotation axis L1. More specifically, the mounting hole 35 is formed around the rotation axis L1 in the shaft portion 31. In this embodiment, the mounting hole 35 is formed with a rectangular cross section. Also, as shown in the enlarged view of FIG. 7, the mounting hole 35 has a storage portion 35a and a fitting portion 35b. The storage portion 35a is formed on the bottom side of the mounting hole 35.
- the storage portion 35a stores the magnet 41 of the sensor mechanism 12, which will be described later in detail (see FIG. 3).
- the storage portion 35a is formed shorter than the magnet 41 in the axial direction. That is, the magnet 41 protrudes from the storage portion 35a toward the fitting portion 35b by a predetermined protrusion amount ⁇ .
- the storage portion 35a also has a plurality of crush ribs 35c as shown in the enlarged view of FIG. 7. Each of the crush ribs 35c is formed on each inner peripheral surface of the storage portion 35a.
- the storage portion 35a is formed with a rectangular cross section, and each of the crush ribs 35c is formed on each of the four surfaces.
- the fitting portion 35b is formed on the opening 35d side of the mounting hole 35.
- the fitting portion 35b is fitted with the cover member 36, which will be described later in detail, as shown in FIG. 3.
- the peripheral shape of the fitting portion 35b is formed larger than the peripheral shape of the storage portion 35a.
- the cover member 36 blocks the opening 35d of the mounting hole 35 as shown in FIG. 3. More specifically, the cover member 36 is fitted into the fitting portion 35b of the mounting hole 35.
- the cover member 36 is an expandable press-fit pin. That is, the cover member 36 is inserted into the fitting portion 35b of the mounting hole 35, and then pushed out to fit into the fitting portion 35b. This prevents the magnet 41 housed in the storage portion 35a by the cover member 36 from coming off the slide member 16.
- the cover member 36 is also formed shorter than the fitting portion 35b in the axial direction. That is, the axial length of the cover member 36 is shorter than the depth of the fitting portion 35b.
- the cover member 36 is formed shorter than the fitting portion 35b in the axial direction by the amount of protrusion ⁇ . Therefore, when the magnet 41 is housed in the storage portion 35a, the cover member 36 is flush with the opening end surface of the shaft portion 31. On the other hand, when the magnet 41 is not housed in the housing portion 35a, the cover member 36 is positioned in the fitting portion 35b in a recessed state from the open end face of the shaft portion 31.
- the spring member 17 shown in FIG. 4 biases the slide member 16, which rotates from a predetermined neutral position, in one or the other circumferential direction. As a result, the slide member 16 is returned to the neutral position by the spring member 17.
- the neutral position is a position of the slide member 16 where the operating part 33 is in a predetermined posture. In this embodiment, the neutral position is a state where the operating part 33 is upright in the other first direction. However, the neutral position is not limited to the posture described above, and may be a state where the operating part 33 is tilted. In addition, the neutral position is not limited to the posture of the operating part 33, and may be determined by the circumferential position of the operating part 33.
- the spring member 17 is, for example, a torsion coil spring, and a coil 17a is externally mounted on the shaft part 31.
- one arm 17b of the spring member 17 is fixed to the second housing part 19, and the other arm 17b is interlocked with the rotation of the slide member 16. As a result, the spring member 17 biases the slide member 16 back to the neutral position.
- the sensor mechanism 12 shown in Fig. 3 detects the amount of operation of the slide member 16, i.e., the amount of rotation (e.g., the angle from the neutral position). More specifically, the sensor mechanism 12 detects the amount of rotation of the shaft portion 31. The sensor mechanism 12 then outputs a signal corresponding to the detected amount of rotation.
- the sensor mechanism 12 is a magnet-type rotation angle sensor.
- the sensor mechanism 12 has a magnet 41 and a sensor 42.
- the magnet 41 is provided on the rotation axis L1 in the slide member 16. More specifically, the magnet 41 is accommodated in the accommodation portion 35a of the mounting hole 35. That is, in this embodiment, the magnet 41 is formed in a rectangular parallelepiped shape and has a cross-sectional shape that is approximately the same as the cross-sectional shape of the accommodation portion 35a. The magnet 41 is accommodated in the accommodation portion 35a by crushing (i.e., plastically deforming) the crush rib 35c. In this way, the magnet 41 is fitted into the accommodation portion 35a. The magnet 41 and the accommodation portion 35a are formed in a rectangular cross-section.
- the magnet 41 when the magnet 41 is accommodated, if the longitudinal direction and lateral direction are different from those of the accommodation portion 35a, it cannot be accommodated in the accommodation portion 35a. Also, the magnet 41 is formed longer than the accommodation portion 35a in the axial direction. Therefore, the magnet 41 protrudes from the accommodation portion 35a into the fitting portion 35b by a protrusion amount ⁇ .
- the sensor 42 outputs a signal corresponding to the amount of rotation (i.e., each displacement amount) of the slide member 16 based on the change in the magnetic field of the magnet 41 when the slide member 16 rotates.
- the sensor 42 is provided on the rotation axis L1 in the housing 15. More specifically, the sensor 42 is accommodated in the sensor accommodating portion 27 of the second housing portion 19.
- the sensor 42 has a detection portion 42a and a substrate 42b.
- the detection unit 42a detects the amount of rotation of the slide member 16 based on the change in the magnetic field of the magnet 41 when the slide member 16 rotates.
- the detection unit 42a is a so-called Hall element.
- the detection unit 42a is not limited to a Hall element.
- the detection unit 42a abuts against the positioning portion 27b when the sensor 42 is housed in the sensor housing portion 27.
- the detection unit 42a abuts against the positioning portion 27b when the sensor 42 is inserted into the sensor housing portion 27. This positions the sensor 42 in the first direction.
- the detection unit 42a configured in this way is formed, for example, in a rectangular parallelepiped shape.
- the substrate 42b outputs a signal according to the amount of rotation detected by the detection unit 42a.
- the substrate 42b is a roughly rectangular plate. As shown in FIG. 6, the substrate 42b is inserted into the sensor accommodating section 27 from the opening 27a to the other side in the first direction so that the outer edge portions on both sides in the width direction (i.e., both ends in the second direction) are fitted into the fitting groove portions 27c.
- the substrate 42b also has a detection unit 42a on one side in the first direction of the main surface 42c (i.e., in the height direction of the substrate 42b).
- the detection unit 42a is attached to the substrate 42b so as to protrude in the thickness direction from the main surface 42c.
- the sensor 42 thus configured is inserted into the sensor accommodating section 27 from the opening 27a in the other first direction, with the outer edge of the substrate 42b fitting into the fitting grooves 27c, as described above.
- the sensor 42 is inserted into the sensor accommodating section 27 so that the outer edge of the substrate 42b abuts against both side surfaces in the second direction of the sensor accommodating section 27 (more specifically, the surfaces in the second direction of the fitting grooves 27c). This positions the sensor 42 in the second direction.
- the sensor 42 is positioned in the axial direction, since the outer edge of the sensor 42 fits into the fitting grooves 27c, respectively.
- the sensor 42 is inserted into the sensor accommodating section 27 until the positioning portions 27b come into contact, as described above. This positions the sensor 42 in the first direction.
- the senor 42 is positioned in the axial direction, the first direction, and the second direction. Then, with the sensor 42 positioned, the sensor housing 27 is filled with molding resin. This fixes the sensor 42 (more specifically, the detection portion 42a) on the rotation axis L1 in the sensor housing 27.
- the slide switch 1 In the slide switch 1, a finger such as a thumb is pressed against the operating portion 33 of the slide member 16. Then, by pushing and pulling the operating portion 33 with the finger, the slide member 16 is rotated in one circumferential direction or the other (see arrow A in FIG. 1). This causes the magnet 41 provided on the shaft portion 31 to rotate around the rotation axis L1. This changes the magnetic field of the magnet 41. The sensor 42 then outputs a signal according to the amount of rotation of the slide member 16 based on the change in the magnetic field of the magnet 41. In this way, the slide switch 1 outputs a signal according to the amount of operation of the slide member 16.
- the cover member 36 is formed shorter than the fitting portion 35b by the amount of protrusion ⁇ by which the magnet 41 protrudes into the fitting portion 35b in the axial direction. Therefore, the accommodation state of the magnet 41 can be confirmed by the fitting state of the cover member 36 in the mounting hole 35. For example, if the cover member 36 is fitted into the mounting hole 35 in a state where it protrudes from the opening 35d of the mounting hole 35, it can be confirmed that the magnet 41 is accommodated in the accommodation portion 35a in an incorrect position (e.g., tilted state, etc.).
- the mounting hole 35 is formed in the shaft portion 31 that is linked to the slide body 32. Therefore, even with a slide switch 1 having such a structure, it is easy to check whether the magnet 41 has been left unembedded or whether the magnet 41 has been embedded in an incorrect position.
- the housing portion 35a has a plurality of crush ribs 35c on the inner peripheral surface. Therefore, the magnet 41 is housed in the housing portion 35a in a fitted state. This improves the press-fittability (i.e., ease of press-fitting) of the magnet 41 into the housing portion 35a and improves the positioning accuracy of the magnet 41.
- the cover member 36 is an expandable press-fit pin. Therefore, the cover member 36 is prevented from coming off the mounting hole 35. Therefore, the magnet 41 is prevented from coming off.
- the sensor 42 has a detection portion 42a that detects changes in the magnetic field, and is positioned in the first direction by abutting the detection portion 42a against the positioning portion 27b. Therefore, the positioning accuracy of the sensor 42, particularly the detection portion 42a, in the housing 15 in the first direction can be improved.
- the sensor 42 is inserted into the sensor housing 27 so that both ends of the substrate 42b in the second direction abut against both side portions in the second direction of the sensor housing 27. Therefore, the positioning accuracy of the sensor 42 in the housing 15 in the second direction can be improved.
- the sensor 42 is inserted into the sensor accommodating portion 27 so that both ends of the substrate 42b in the second direction are fitted into the fitting grooves 27c. Therefore, the axial positioning accuracy of the sensor 42 in the housing 15 can be improved.
- the operating lever device 2 is equipped with the aforementioned slide switch 1 that is arranged on the other side of the operating lever 5 in the specified direction. Therefore, it is possible to realize an operating lever device 2 having the aforementioned functions.
- the operating lever device 2 of this embodiment is an operating device for operating a work vehicle, but may also be an operating device for operating a robot or an operating device for a game machine.
- the device in which the slide switch 1 of this embodiment is provided is not limited to the operating lever device 2, and may be provided in various devices other than operating devices.
- the structure of the slide switch 1 is also not limited to the structure described above. That is, it is sufficient that the magnet 41 of the magnetic sensor mechanism 12 is attached to the rotatable slide member 16, and the sensor 42 is fixed to the housing 15.
- the housing 15 does not necessarily have to be a divided structure, and may be an integrated structure.
- the magnet 41 is fixed to the mounting hole 35 by being pressed by the cover member 36, but the magnet 41 may be fixed to the mounting hole 35 by a filler instead of the cover member 36.
- the cover member 36 does not necessarily have to be an expandable press-fit pin, and may simply be a rod-shaped press-fit pin or bolt.
- the housing portion 35a of the mounting hole 35 does not necessarily have to have the crush rib 35c formed therein.
- the method of housing the sensor 42 in the sensor housing portion 27 is not limited to the method described above. That is, the sensor 42 does not necessarily have to be positioned in the axial direction, the first direction, and the second direction in the sensor housing portion 27.
- a slide switch mechanism in a first aspect comprises a housing, a slide member arranged within the housing to be rotatable around a predetermined rotation axis, and a sensor mechanism for detecting the amount of rotation of the slide member, wherein the sensor mechanism has a magnet provided on the rotation axis in the slide member, and a sensor provided on the rotation axis in the housing and detecting changes in the magnetic field of the magnet, wherein the slide member has a bottomed mounting hole formed around the rotation axis, and a cover member for covering an opening of the mounting hole, wherein the mounting hole has a storage portion formed on the bottom side and in which the magnet is stored, and a fitting portion formed on the opening side and in which the cover member is fitted, wherein the magnet is arranged in the storage portion with the magnet protruding into the fitting portion in the axial direction along which the rotation axis extends, and the cover member is formed to be shorter than the fitting portion by the amount by which the magnet protrudes into the fitting portion in the axial direction.
- the cover member is formed shorter than the mating portion by the amount that the magnet protrudes into the mating portion in the axial direction. Therefore, the state of the magnet being housed can be confirmed by the state of fit of the cover member in the mounting hole. For example, if the cover member is housed in the mounting hole in a state where it protrudes from the opening of the mounting hole, it can be confirmed that the magnet is housed in the housing portion in a premature position. On the other hand, if the cover member is inserted into the mounting hole in a state where it is recessed relative to the opening of the mounting hole, it can be confirmed that the magnet has been forgotten to be inserted into the housing portion.
- the slide switch mechanism of the second aspect is the slide switch mechanism of the first aspect, wherein the slide member further includes a slide body provided within the housing and rotating around a rotation axis, and a shaft portion journaled to the housing and rotating around the rotation axis in conjunction with the slide body, and the mounting hole is formed in the shaft portion.
- the mounting hole is formed in the shaft portion that is linked to the slide body. Therefore, even with a slide switch having such a structure, it is easy to check whether the magnet has been forgotten to be embedded or whether the magnet has been embedded in the wrong position.
- the slide switch mechanism in the third aspect is the slide switch mechanism in the first or second aspect, in which the housing portion has a plurality of crush ribs on the inner peripheral surface.
- the housing portion has a plurality of crush ribs on its inner peripheral surface. Therefore, the magnet is housed in the housing portion in a fitted state. This improves the press-fitting of the magnet into the housing portion and improves the positioning accuracy of the magnet.
- the slide switch mechanism in the fourth aspect is the slide switch mechanism in any one of the first to third aspects, in which the cover member is an expandable press-fit pin.
- the cover member is an expandable press-fit pin. Therefore, the cover member is prevented from coming off the mounting hole. Therefore, the magnet is prevented from coming off.
- the slide switch mechanism in the fifth aspect is the slide switch mechanism of any one of the first to fourth aspects, in which the housing has a sensor accommodating portion that opens in one side of a first direction perpendicular to the axial direction and extends in the other side of the first direction, into which the sensor is inserted, the sensor accommodating portion has a positioning portion that protrudes in the axial direction toward the other side of the first direction, the sensor has a detection portion that detects changes in a magnetic field, and is positioned in the first direction by abutting the detection portion against the positioning portion.
- the senor has a detection portion that detects changes in a magnetic field, and is positioned in the first direction by abutting the detection portion against the positioning portion. Therefore, it is possible to improve the positioning accuracy of the sensor in the housing, particularly the detection portion, in the first direction.
- the slide switch mechanism of the sixth aspect is the slide switch mechanism of the fifth aspect, in which the sensor housing portion is formed in a wide rectangular shape in a second direction perpendicular to the axial direction and the first direction when viewed from one side in the first direction, and the sensor further has a substrate on which the detection portion is provided, and is inserted into the sensor housing portion such that both ends of the substrate in the second direction abut against both side portions in the second direction of the sensor housing portion.
- the senor is inserted into the sensor housing so that both ends of the substrate in the second direction abut against both side portions in the second direction of the sensor housing. This improves the positioning accuracy of the sensor in the housing in the second direction.
- the slide switch mechanism of the seventh aspect is the slide switch mechanism of the sixth aspect, in which the sensor accommodating section has fitting grooves recessed in the second direction on both side surfaces in the second direction, and the sensor is inserted into the sensor accommodating section such that both ends of the substrate in the second direction are fitted into the fitting grooves.
- the senor is inserted into the sensor housing so that both ends of the substrate in the second direction are fitted into the respective fitting grooves. This improves the axial positioning accuracy of the sensor in the housing.
- the slide switch in the eighth aspect includes a housing, a slide member supported on the housing so as to be rotatable around a predetermined rotation axis, and a sensor mechanism for detecting the amount of rotation of the slide member, the sensor mechanism having a magnet provided on the slide member on the rotation axis, and a sensor provided on the housing on the rotation axis and detecting changes in the magnetic field of the magnet, the housing has a sensor accommodating section that opens on one side of a first direction perpendicular to the axial direction and extends on the other side of the first direction, and into which the sensor is inserted, the sensor accommodating section has a positioning section that protrudes axially on the other side of the first direction, the sensor has a detection section that detects changes in the magnetic field, and is positioned in the first direction by abutting the detection section against the positioning section.
- the senor has a detection unit that detects changes in a magnetic field, and is positioned in the first direction by abutting the detection unit against the positioning unit. Therefore, the positioning accuracy of the sensor in the housing, particularly the detection unit, in the first direction can be improved.
- the operating lever device in the ninth aspect includes an operating lever that extends in a predetermined direction and is pivotally supported on one side in the predetermined direction, and any one of slide switches 1 to 8, and the slide switch is disposed on the other side of the operating lever in the predetermined direction.
- the operating lever device is provided with the aforementioned slide switch that is arranged on the other side of the operating lever in the predetermined direction. Therefore, it is possible to realize an operating lever device having the above-mentioned functions.
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Abstract
Description
図1に示す操作レバー装置2は、例えばショベルやクレーン等の建設車両及びフォークリフト等の産業車両等の作業車両に備わっている。操作レバー装置2は、作業車両の運転席等に設けられている。より詳細に説明すると、操作レバー装置2は、キャビンに備わる図示しない基台に枢支されている。そして、作業車両の運転者等の操作者は、操作レバー装置2を把持して動かすことによって作業車両の各種構成を操作することができる。操作レバー装置2は、操作レバー5と、複数のスイッチ6~9と、スライドスイッチ1とを備えている。
スライドスイッチ1もまた操作レバー5の所定方向他方側に配置されている。本実施形態において、スライドスイッチ1は、4つのスイッチ6~9に対してそれらの列方向一方側に配置されている。スライドスイッチ1は、磁気スイッチであって、以下のように構成されている。
スライドスイッチ機構11は、図2に示すようにスライド操作可能に構成されている(矢印A参照)。スライドスイッチ機構11は、図3及び4に示すようにハウジング15と、スライド部材16と、ばね部材17を備えている。
スライド部材16は、合成樹脂から成る部材である。スライド部材16は、回動軸L1まわりに回動可能にハウジング15内に配置されている。また、スライド部材16は、親指等の指を押し当てることができる。そして、スライド部材16は、指によって押し引きする(即ち、スライド操作される)ことによって、回動軸L1まわりに回動する(即ち、スライドする)。スライド部材16は、図7に示すように軸部31と、スライド本体32と、操作部33と、取付孔35と、蓋部材36とを有している。
図4に示されるばね部材17は、所定の中立位置から回動するスライド部材16を周方向一方及び他方の何れかに付勢する。これにより、スライド部材16は、ばね部材17によって中立位置に戻される。中立位置は、操作部33が所定の姿勢となるようなスライド部材16の位置である。本実施形態において、中立位置は、操作部33が第1方向他方に直立している状態である。但し、中立位置は、前述するような姿勢に限定されず、操作部33が傾倒している状態であってもよい。また、中立位置は、操作部33の姿勢に限定されず、操作部33の周方向位置によって規定されてもよい。ばね部材17は、例えばねじりコイルばねであって、コイル17aが軸部31に外装されている。また、ばね部材17の一方のアーム17bが第2ハウジング部19に固定され、他方のアーム17bがスライド部材16の回動に連動する。これにより、ばね部材17は、スライド部材16を中立位置に戻すように付勢する。
図3に示すセンサ機構12は、スライド部材16の操作量、即ち回動量(例えば、中立位置からの角度)を検出する。より詳細に説明すると、センサ機構12は、軸部31の回動量を検出する。そして、センサ機構12は、検出した回動量に応じた信号を出力する。センサ機構12は、本実施形態においてマグネット式の回転角センサである。センサ機構12は、磁石41とセンサ42とを有している。
以下では、操作レバー装置2の操作方法が説明される。操作レバー装置2では、操作者によって例えば操作レバー5の上下方向中間部分が把持される。そして、操作レバー5は、図示をしない基台を支点に360度全方向に傾倒される。また、操作レバー装置2において、各スイッチ1,6~9は例えば操作者の親指で操作される。例えば、スイッチ6~9は、親指で操作される(例えば押される)。そうすると、スイッチ6~9は、信号を出力する。他方、スライドスイッチ1は、以下のように操作される。
本実施形態の操作レバー装置2は、作業車両を操作する操作装置であるが、ロボットを操作する操作装置やゲーム機の操作装置であってもよい。また、本実施形態のスライドスイッチ1が設けられる装置も操作レバー装置2に限定されず、操作装置以外の各種機器に設けられてもよい。また、スライドスイッチ1の構造も前述するような構造に限定されない。即ち、回動可能なスライド部材16にマグネット式のセンサ機構12の磁石41が取り付けられ、且つハウジング15にセンサ42が固定される構造であればよい。また、ハウジング15は、必ずしも分割構造である必要はなく、一体構造であってもよい。
第1の局面におけるスライドスイッチ機構は、ハウジングと、所定の回動軸まわりに回動可能に前記ハウジング内に配置されるスライド部材と、前記スライド部材の回動量を検出するセンサ機構とを備え、前記センサ機構は、前記スライド部材において回動軸上に設けられる磁石と、前記ハウジングにおいて回動軸上に設けられ且つ前記磁石の磁界の変化を検出するセンサとを有し、前記スライド部材は、回動軸まわりに形成される有底の取付孔と、前記取付孔の開口を塞ぐ蓋部材とを有し、前記取付孔は、底側に形成され且つ前記磁石が収容される収容部分と、開口側に形成され且つ前記蓋部材が嵌合される嵌合部分と、を有し、前記磁石は、回動軸が延びる軸方向において前記嵌合部分に突き出た状態で前記収容部分に配置され、前記蓋部材は、軸方向において前記磁石が前記嵌合部分に突き出ている突出量の分だけ前記嵌合部分より短く形成されている。
Claims (9)
- ハウジングと、
所定の回動軸まわりに回動可能に前記ハウジング内に配置されるスライド部材と、
前記スライド部材の回動量を検出するセンサ機構とを備え、
前記センサ機構は、前記スライド部材において回動軸上に設けられる磁石と、前記ハウジングにおいて回動軸上に設けられ且つ前記磁石の磁界の変化を検出するセンサとを有し、
前記スライド部材は、回動軸まわりに形成される有底の取付孔と、前記取付孔の開口を塞ぐ蓋部材とを有し、
前記取付孔は、底側に形成され且つ前記磁石が収容される収容部分と、開口側に形成され且つ前記蓋部材が嵌合される嵌合部分と、を有し、
前記磁石は、回動軸が延びる軸方向において前記嵌合部分に突き出た状態で前記収容部分に配置され、
前記蓋部材は、軸方向において前記磁石が前記嵌合部分に突き出ている突出量の分だけ前記嵌合部分より短く形成されている、スライドスイッチ。 - 前記スライド部材は、前記ハウジング内に設けられ且つ回動軸まわりに回動するスライド本体と、前記ハウジングに軸支され且つ前記スライド本体と連動して回動軸まわりに回動する軸部と、を更に含み、
前記取付孔は、前記軸部に形成されている請求項1に記載のスライドスイッチ。 - 前記収容部分は、内周面に複数のクラッシュリブを有している、請求項1に記載のスライドスイッチ。
- 前記蓋部材は、拡張式の圧入ピンである、請求項1に記載のスライドスイッチ。
- 前記ハウジングは、軸方向に直交する第1方向一方に開口し且つ第1方向他方に延在するセンサ収容部であって前記センサが挿入されている前記センサ収容部を有し、
前記センサ収容部は、第1方向他方側に軸方向に突出する位置決め部を有し、
前記センサは、磁界の変化を検出する検出部を有し、前記検出部を前記位置決め部に突き当てることによって第1方向において位置決めされる、請求項1に記載のスライドスイッチ。 - 前記センサ収容部は、第1方向一方側から見て、軸方向及び第1方向に直交する第2方向に幅広の短冊状に形成され、
前記センサは、前記検出部が設けられる基板を更に有し、前記基板の第2方向両端部を前記センサ収容部の第2方向両側面部に当接させるようにして前記センサ収容部に挿入されている、請求項5に記載のスライドスイッチ。 - 前記センサ収容部は、前記第2方向両側面部に第2方向に凹む嵌合溝部を夫々有し、
前記センサは、前記基板の第2方向両端部を嵌合溝部の各々に嵌合させるようにして前記センサ収容部に挿入されている、請求項6に記載のスライドスイッチ。 - ハウジングと、
所定の回動軸まわりに回動可能に前記ハウジングに軸支されるスライド部材と、
前記スライド部材の回動量を検出するセンサ機構とを備え、
前記センサ機構は、回動軸上に前記スライド部材に設けられる磁石と、回動軸上に前記ハウジングに設けられ且つ前記磁石の磁界の変化を検出するセンサとを有し、
前記ハウジングは、軸方向に直交する第1方向一方に開口し且つ第1方向他方に延在し、前記センサが挿入されているセンサ収容部を有し、
前記センサ収容部は、第1方向他方側に軸方向に突出する位置決め部を有し、
前記センサは、磁界の変化を検出する検出部を有し、前記検出部を前記位置決め部に突き当てることによって第1方向において位置決めされる、スライドスイッチ。 - 所定方向に延在し、且つ所定方向一方側を枢支される操作レバーと、
請求項1又は8に記載のスライドスイッチとを備え、
前記スライドスイッチは、前記操作レバーの所定方向他方側に配置されている、操作レバー装置。
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55133541U (ja) * | 1979-03-16 | 1980-09-22 | ||
| JPH10172813A (ja) * | 1996-12-06 | 1998-06-26 | Alps Electric Co Ltd | 電気部品 |
| JP2001266702A (ja) * | 2000-03-17 | 2001-09-28 | Next:Kk | レバー式スイッチ |
| JP2008529144A (ja) * | 2005-01-26 | 2008-07-31 | ボツシュ レックスロス ディ.エス.アイ. | 回転制御装置 |
| JP2009230983A (ja) * | 2008-03-21 | 2009-10-08 | Alps Electric Co Ltd | パワーウィンドウ用スイッチ装置 |
| WO2018123451A1 (ja) * | 2016-12-28 | 2018-07-05 | アルプス電気株式会社 | スタンドの位置検出装置 |
-
2023
- 2023-03-07 JP JP2023034600A patent/JP2024126306A/ja active Pending
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- 2024-01-11 CN CN202480016876.7A patent/CN120752720A/zh active Pending
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- 2024-01-11 KR KR1020257033591A patent/KR20250160999A/ko active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55133541U (ja) * | 1979-03-16 | 1980-09-22 | ||
| JPH10172813A (ja) * | 1996-12-06 | 1998-06-26 | Alps Electric Co Ltd | 電気部品 |
| JP2001266702A (ja) * | 2000-03-17 | 2001-09-28 | Next:Kk | レバー式スイッチ |
| JP2008529144A (ja) * | 2005-01-26 | 2008-07-31 | ボツシュ レックスロス ディ.エス.アイ. | 回転制御装置 |
| JP2009230983A (ja) * | 2008-03-21 | 2009-10-08 | Alps Electric Co Ltd | パワーウィンドウ用スイッチ装置 |
| WO2018123451A1 (ja) * | 2016-12-28 | 2018-07-05 | アルプス電気株式会社 | スタンドの位置検出装置 |
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| JP2024126306A (ja) | 2024-09-20 |
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