WO2020121696A1 - 装置およびスイッチ装置 - Google Patents
装置およびスイッチ装置 Download PDFInfo
- Publication number
- WO2020121696A1 WO2020121696A1 PCT/JP2019/043507 JP2019043507W WO2020121696A1 WO 2020121696 A1 WO2020121696 A1 WO 2020121696A1 JP 2019043507 W JP2019043507 W JP 2019043507W WO 2020121696 A1 WO2020121696 A1 WO 2020121696A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- circuit board
- housing
- opening
- switch device
- flange
- Prior art date
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H23/00—Tumbler or rocker switches, i.e. switches characterised by being operated by rocking an operating member in the form of a rocker button
- H01H23/02—Details
- H01H23/12—Movable parts; Contacts mounted thereon
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H23/00—Tumbler or rocker switches, i.e. switches characterised by being operated by rocking an operating member in the form of a rocker button
- H01H23/02—Details
- H01H23/04—Cases; Covers
- H01H23/06—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/005—Electro-mechanical devices, e.g. switched
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
- H01H9/04—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/08—Distribution boxes; Connection or junction boxes
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/0026—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
- H05K7/1422—Printed circuit boards receptacles, e.g. stacked structures, electronic circuit modules or box like frames
- H05K7/1427—Housings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
- H01H9/04—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
- H01H2009/048—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings using a sealing boot, e.g. the casing having separate elastic body surrounding the operating member and hermetically closing the opening for it
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2217/00—Facilitation of operation; Human engineering
- H01H2217/04—Mimics of controlled apparatus or symbol
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H23/00—Tumbler or rocker switches, i.e. switches characterised by being operated by rocking an operating member in the form of a rocker button
- H01H23/02—Details
- H01H23/12—Movable parts; Contacts mounted thereon
- H01H23/14—Tumblers
- H01H23/143—Tumblers having a generally flat elongated shape
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2300/00—Orthogonal indexing scheme relating to electric switches, relays, selectors or emergency protective devices covered by H01H
- H01H2300/008—Application power seats
Definitions
- the present invention relates to a device and a switch device.
- Japanese Patent Application Laid-Open No. 2006-242242 discloses a technique for covering the entire upper surface of a wiring board provided with a fixed contact, a light emitting element, and the like with a rubber sheet with respect to a switch device.
- An apparatus includes a housing, a circuit board provided inside the housing, and an elastic sheet that covers one surface of the circuit board, and the housing has one opening on one side.
- the other opening on the other side is formed, and between the one opening and the other opening, a wall portion extending in a direction intersecting a direction in which the one surface of the circuit board extends,
- the elastic sheet has a flange portion, and the flange portion is arranged in a bent state by coming into contact with the wall portion.
- FIG. 5 is a sectional view taken along the line AA of the rubber cap shown in FIG. 4. It is a sectional view by the YZ plane of the switch device concerning one embodiment. It is a sectional view by the XY plane of the switch device concerning one embodiment. It is an appearance perspective view of an undercover concerning one embodiment. It is a figure which shows the prohibited area prescribed
- FIG. 1 is an external perspective view of a power seat switch 100 according to an embodiment.
- the power seat switch 100 shown in FIG. 1 is an operation device for operating the seat height and the reclining angle of a power seat of a vehicle.
- the power seat switch 100 is installed at a predetermined position in the vehicle (for example, the inside of the driver side door).
- the Z-axis positive direction in the drawing is the upper side (an example of "one side” in the claims) and the Z-axis negative direction in the drawing is the lower side (the “one side” in the claims). On the other hand)).
- the power seat switch 100 includes a main body 110.
- the main body 110 is formed with a pedestal portion 110A that is partially raised from its surface.
- the pedestal portion 110A is provided with a switch device 120 and a slide operation body 112.
- the switch device 120 (an example of the “device” and the “switch device” described in the claims) is an operation member that is operated to adjust the reclining angle of the power seat, and has a so-called rocker switch built-in. By operating the cage rocker switch, the angle or position of the headrest can be adjusted.
- the slide operation body 112 is an operation member that is operated to adjust the front-back position of the power seat.
- a connector (not shown) provided at the tip of the cable pulled out from the vehicle side is connected to an insertion port 110B provided on the side surface of the main body 110, so that the connector and the cable are connected. Via, is electrically connected to the control unit mounted on the vehicle side.
- the power seat switch 100 can output an electric signal corresponding to the operation of the switch device 120 and the slide operation body 112 to the control unit, and cause the control unit to control the power seat.
- FIG. 2 is a diagram showing a mounting structure of the switch device 120 in the power seat switch 100 according to the embodiment. As shown in FIG. 2, the switch device 120 can be attached to the pedestal portion 110A of the main body 110.
- circular openings 110C and 110D are formed in the pedestal 110A.
- cylindrical portions 126A and 126B having a cylindrical shape are provided so as to project downward from the lower surface of the under cover 126 (see FIG. 3).
- the tube portion 126A is inserted into the pedestal portion 110A through the opening 110C and fits into other components (not shown) provided inside the pedestal portion 110A.
- the tubular portion 126B is inserted into the pedestal portion 110A through the opening 110D and fits into another component (not shown) provided inside the pedestal portion 110A.
- the switch device 120 is attached to the pedestal portion 110A so as not to easily fall out of the pedestal portion 110A.
- the switch device 120 has a cable 127 that passes through the inside of the tube portion 126B and is pulled out from the tip of the tube portion 126B to the outside. Further, the connector 127A provided at the tip of the cable 127 is connected to the connector (not shown) provided on the circuit board inside the main body 110, so that the circuit board provided inside the main body 110 is connected. It is electrically connected.
- switch device 120 Structure of switch device 120
- the switch device 120 will be specifically described.
- the Z-axis direction in the drawing is the vertical direction
- the X-axis direction and the Y-axis direction in the drawing are the horizontal directions.
- FIG. 3 is an exploded perspective view of the switch device 120 according to the embodiment.
- the switch device 120 includes an operation knob 121, a housing 122, a rubber cap 123, a spacer 124, a circuit board 125, an under cover 126, and a cable 127 in order from the top in the figure.
- the operation knob 121 is an operation member of a rocker switch, and is arranged in an upper opening 122A (an example of the “one-side opening” described in the claims) formed on the upper side of the housing 122, and the housing 122 is provided.
- the operating member is rotatably supported by the first rotating direction D1 and the second rotating direction D2 that are different from each other.
- the operation knob 121 is a member that can perform a pressing operation on each of the one end side and the other end side with the rotation axis as a boundary, and is pressed by the user on one end side or the other end side.
- the operation knob 121 rotates in the first rotation direction D1 or the second rotation direction D2, presses the switch 125A or the switch 125B mounted on the circuit board 125, and the power sheet. Activate the headrest angle or position adjustment function of.
- the operation knob 121 is formed by injection molding a resin material.
- the housing 122 is a container-shaped member having a lower opening 122C (an example of the “other opening” described in the claims) (see FIG. 7) on the lower side.
- An upper opening 122A having a substantially rectangular shape in a plan view from above is formed on the upper side of the housing 122.
- An operation knob 121 having substantially the same shape as the upper opening 122A is arranged in the upper opening 122A.
- the upper opening 122A is provided substantially parallel to the YZ plane in the drawing, and a pair of inner wall surfaces facing each other, and wall portions 122D, 122E (described in paragraphs 0037 and 0038) provided so as to connect between the inner wall surfaces. And an end portion on the upper side of the.
- Each of the inner wall surfaces is formed with a convex shaft support portion 122B for pivotally supporting the operation knob 121.
- the housing 122 is formed by injection molding a resin material.
- the rubber cap 123 is an example of the “elastic sheet” described in the claims, and is a member that covers the upper side of the circuit board 125.
- the circuit board 125 is covered with the rubber cap 123 to improve waterproofness.
- the rubber cap 123 is formed by press molding an elastic material such as rubber or silicon.
- the rubber cap 123 has a hollow three-dimensional shape in which a portion overlapping the electronic component (for example, the switches 125A and 125B and the connector 125C) is hollow so that the electronic component mounted on the surface of the circuit board 125 can be covered. It has a target shape.
- the spacer 124 is a flat plate-shaped member provided in the gap so as to fill the gap between the upper surfaces of the switches 125A and 125B and the inner top surface of the rubber cap 123.
- the circuit board 125 is a flat member on which a plurality of electronic components are mounted.
- a PWB Print Wiring Board
- a switch 125A, a switch 125B, and a connector 125C are mounted on the surface of the circuit board 125.
- the switch 125A is pressed by the rotation of the operation knob 121 in the first rotation direction D1 to output a switch signal for operating the headrest of the power seat in a direction to move toward or away from the user.
- the switch 125B outputs a switch signal for operating the headrest of the power seat in a direction of moving away from or approaching the user by being pressed by the rotation of the operation knob 121 in the second rotation direction D2.
- the connector 125C is connected to the connector 127B provided at the other end of the cable 127, so that the switch signals output from the switches 125A and 125B can be sent to the main body 110 via the cable 127.
- the under cover 126 supports the lower surface of the circuit board 125 by mounting the circuit board 125, and is attached to the lower opening 122C of the housing 122 to close the lower opening 122C of the housing 122.
- a flat member On the lower surface of the under cover 126, cylindrical portions 126A and 126B having a cylindrical shape are provided so as to project downward.
- the cable 127 is a wiring member for transmitting the switch signals output from the switches 125A and 125B from the circuit board 125 to the main body 110.
- the cable 127 penetrates the inside of the cylindrical portion 126 ⁇ /b>B provided in the under cover 126 and is drawn out of the housing 122.
- a connector 127A is provided at one end of the cable 127.
- the connector 127A is connected to a connector (not shown) provided inside the main body 110.
- a connector 127B is provided at the other end of the cable 127.
- the connector 127B is connected to the connector 125C provided on the circuit board 125.
- the cable 127 is a copper wire covered with an insulating material such as polyethylene or vinyl.
- FIG. 4 is an external perspective view from the upper surface side of the rubber cap 123 according to the embodiment.
- FIG. 5 is an external perspective view from the lower surface side of the rubber cap 123 according to the embodiment.
- FIG. 6 is a sectional view of the rubber cap 123 shown in FIG.
- the rubber cap 123 has a skirt portion 123A, a flange portion 123B, a flange portion 123C, a cutout portion 123D, a restriction portion 123E, and a restriction portion 123F.
- the skirt portion 123A is an example of the “skirt portion” described in the claims, and is a skirt-shaped portion formed from the lower surface of the rubber cap 123 downward.
- the skirt portion 123A is formed in a peripheral wall shape so as to surround the circuit board 125 arranged on the lower surface side of the rubber cap 123.
- the flange portion 123B is an example of the "flange portion” described in the claims, and is linear in the X-axis direction in the drawing along a part of the skirt portion 123A of the rubber cap 123 on the Y-axis negative side in the drawing. It is a horizontal flat plate-shaped portion that extends and extends toward the Y-axis negative side in the drawing.
- the flange portion 123C is another example of the "flange portion" described in the claims, and is linear along the X-axis direction in the drawing along a part of the skirt portion 123A of the rubber cap 123 on the Y-axis positive side in the drawing. It is a horizontal flat plate-shaped portion that extends in a rectangular shape and extends toward the Y-axis positive side in the drawing.
- a flange portion 123B is projected horizontally and outward, and a skirt portion 123A extends downward from the root portion of the flange portion 123B. It has an established cross-sectional shape.
- a flange portion 123C is projected horizontally and outward, and a skirt portion 123A is directed downward from the root portion of the flange portion 123C.
- the cutout portion 123D is an example of the "first drainage portion” described in the claims, and a portion in which a part of the peripheral edge portion of the rubber cap 123 is cut inward (on the Y axis positive side in the drawing). Is. As shown in FIGS. 4 and 5, in the present embodiment, the cutout portion 123D is located on the downstream side of the flow path of water on the upper surface of the flange portion 123B when water has entered the upper surface side of the rubber cap 123. It is formed by cutting out a part of the flange portion 123B at the end portion (on the X-axis positive side in the drawing).
- the “downstream side” here means a side in the gravity direction in which the power seat switch 100 is attached to a vehicle in a predetermined posture, that is, a downstream side of a water flow caused by gravity. ..
- the cutout portion 123D may be formed adjacent to the flange portion 123B so as to penetrate from the upper side to the lower side.
- the restriction portions 123E and 123F are wall-shaped portions formed by raising a part of the rubber cap 123 into a pedestal shape.
- the restriction portion 123E is a wall-shaped portion that is linearly provided along the Y axis in the drawing on the X axis negative side of the drawing with respect to the convex portion 123G that covers the switches 125A and 125B.
- the restriction portion 123E is formed by elevating a portion of the rubber cap 123 on the X-axis negative side in the drawing from the region 123H in which the convex portion 123G is provided in a pedestal shape.
- the restricting portion 123F is a wall-shaped portion that is linearly provided along the Y axis in the drawing on the X axis positive side in the drawing with respect to the convex portion 123G.
- the restricting portion 123F is formed by elevating the portion of the rubber cap 123 on the X axis positive side in the drawing from the region 123H in which the convex portion 123G is provided in a pedestal shape.
- the flange portion 123B is provided at the end on the Y axis negative side of the region 123H sandwiched between the regulating portion 123E and the regulating portion 123F in the rubber cap 123.
- the rubber cap 123 can guide the water that has entered the inside of the housing 122 to the flange portion 123B while regulating the water by the regulating portions 123E and 123F so as not to flow out from the region 123H. ..
- FIG. 7 is a sectional view taken along the YZ plane of the switch device 120 according to the embodiment.
- the rubber cap 123 in a state where the operation knob 121 is mounted in the upper opening 122 ⁇ /b>A of the housing 122 and from the lower opening 122 ⁇ /b>C of the housing 122 in a state of overlapping with each other.
- the spacer 124, the circuit board 125, and the undercover 126 are incorporated into the housing 122, and the undercover 126 is fixed to the housing 122 with screws. Accordingly, the switch device 120 can press the switches 125A and 125B via the rubber cap 123 and the spacer 124 by pressing the operation knob 121.
- the upper surface which is the upper surface of the circuit board 125
- the rubber cap 123 prevents the circuit board 125 from above. It is designed to prevent flooding.
- the circuit board 125 is surrounded by the peripheral wall-shaped skirt portion 123A provided on the lower surface side of the rubber cap 123.
- the skirt portion 123A extends downward to a position lower than the lower surface of the circuit board 125.
- the housing 122 is formed on the upper opening 122A formed on the Z axis positive side in the figure and on the Z axis negative side in the figure.
- the flange portion 123B of the rubber cap 123 abuts against the inner surface of the wall portion 122D, and the flange portion 123B is arranged in a state of being pressed by the wall portion 122D and bent downward.
- the wall portion 122D and the flange portion 123B are in close contact with each other so that no gap is formed between them, so that if water should enter the upper surface of the rubber cap 123, Even in this case, the water can flow in the downstream direction (X-axis positive direction in the drawing) along the upper surface of the flange portion 123B without wrapping around the lower surface of the flange portion 123B.
- the switch device 120 since the flange portion 123B is bent downward to form the groove d1 formed by the upper surface of the flange portion 123B and the inner surface of the wall portion 122D, water that has entered the housing 122 is It comes to flow in the groove d1. Therefore, the water that has entered the casing 122 can be guided more reliably to the downstream side of the flange portion 123B.
- the housing 122 is provided with a wall portion 122E that intersects the plane formed by the circuit board 125. Then, the flange portion 123C of the rubber cap 123 abuts against the inner surface of the wall portion 122E, and the flange portion 123C is arranged in a state of being pressed by the wall portion 122E and bent downward.
- the wall portion 122E and the flange portion 123C are in close contact with each other so that no gap is created between them, so that if water should enter the upper surface of the rubber cap 123, Even in such a case, the water can flow in the downstream direction (X-axis positive direction in the drawing) along the upper surface of the flange portion 123C without wrapping around the lower surface of the flange portion 123C.
- the flange portion 123C bends downward to form the groove d2 formed by the upper surface of the flange portion 123C and the inner surface of the wall portion 122E. It comes to flow in the groove d2. Therefore, the water that has entered the housing 122 can be guided more reliably to the downstream side of the flange portion 123C.
- the wall portions 122D and 122E have pressing portions 122a and 122b that come into contact with the flange portions 123B and 123C. Further, the pressing portions 122a and 122b are provided with slope portions 122a1 and 122b1 provided so that the lower side (Z-axis negative side) is more distant from the rubber cap 123 than the upper side (Z-axis positive side).
- the example of the “slope portion” described in 1) is included.
- the pressing portions 122a and 122b are examples of the “pressing portion” described in the claims, and form a narrow width portion that partially narrows the interval between the wall portion 122D and the wall portion 122E inside the housing 122. ..
- the narrow portion is formed at a position that slightly overlaps the upper surface of the flange portion 123C, and when the rubber cap 123 is pushed into the narrow portion from below, the narrow portion becomes the flange portions 123B and 123C. By making contact, the flange portions 123B and 123C are bent downward. As a result, the switch device 120 only needs to push the rubber cap 123, the spacer 124, the circuit board 125, and the under cover 126 from the lower opening 122C of the housing 122 to a predetermined height position inside the housing 122.
- the flange portions 123B and 123C can be bent downward by the pressing portions 122a and 122b.
- the switch device 120 can easily incorporate the respective components into the housing 122 while having a high waterproof property due to the flange portions 123B and 123C. Further, in the switch device 120, the flange portions 123B and 123C are bent downward, so that the manufacturing error of the flange portions 123B and 123C can be allowed by the bending amount of the flange portions 123B and 123C.
- the skirt portion 123A is provided at the base portion of the flange portions 123B and 123C, the base portions of the flange portions 123B and 123C, which are branch points, are reinforced, and thus the flange portion 123B of the rubber cap 123 is reinforced. , 123C, it is possible to selectively bend only the tip side of the rubber cap 123, so that the lifting of the other portion of the rubber cap 123 from the circuit board 125 can be suppressed.
- FIG. 8 is a cross-sectional view taken along the XY plane of the switch device 120 according to the embodiment.
- the water that has entered the housing 122 through the upper opening 122A is inside the region 123H that is provided between the restricting portion 123E and the restricting portion 123F on the upper surface of the rubber cap 123 so as to overlap with the upper opening 122A. Run down to.
- the water that has flowed down into the region 123H flows in the region 123H to the flange portion 123B formed on the Y axis negative side of the region 123H in accordance with gravity, as shown by the arrow A1 in FIG.
- the water that has flowed down into the region 123H flows in the region 123H to the restriction portion 123F formed on the X-axis positive side of the region 123H in accordance with gravity. ..
- the water that has flown to the restriction portion 123F flows in the downstream direction (Y-axis negative direction in the drawing) along the restriction portion 123F according to gravity, and is formed on the downstream side of the restriction portion 123F.
- the cutout portion 123D cuts through the flange portion 123B and flows down to the upper surface of the under cover 126.
- the water flowing to the flange portion 123B flows in the downstream direction (the positive direction of the X axis in the figure) along the flange portion 123B according to gravity as shown by an arrow B1 in FIG.
- the cutout portion 123D formed in the bottom portion penetrates the flange portion 123B and flows down to the upper surface of the under cover 126.
- the groove d1 (see FIG. 7) is formed by the downward bending of the flange portion 123B at the contact portion between the flange portion 123B and the wall portion 122D, the water flowing into the flange portion 123B is By flowing in d1, it is guided to the notch 123D more reliably.
- the water that has flowed down to the upper surface of the under cover 126 is, as shown by the arrow C in FIG. 8, a drain port formed in the under cover 126 on the downstream side (X-axis positive side in the drawing) of the cutout portion 123D at the edge.
- the undercover 126 is penetrated, and flows down to the outside of the switch device 120.
- the drain port 126C is formed by cutting out a part of the edge portion of the under cover 126 at a position corresponding to the cutout portion 123D of the rubber cap 123.
- the drain port 126C may be formed so as to penetrate from the upper side to the lower side of the under cover 126.
- the notch 123D is notched inside so as to avoid interference with the rib 122F formed on the inner surface of the wall 122D.
- the rib 122F engages with an engagement groove 126D (see FIG. 3) formed in the edge portion of the under cover 126 to facilitate the positioning of the under cover 126 with respect to the housing 122. It is provided in. That is, the cutout portion 123D has both a function of avoiding interference with the rib 122F and a drainage function to the back side of the rubber cap 123.
- FIG. 9 is an external perspective view of the under cover 126 according to the embodiment.
- the under cover 126 is provided in the shape of a bank projecting upward from the mounting surface 126E of the under cover 126, and the upper side abuts the lower surface of the circuit board 125, and the circuit board
- the rib 126F is provided such that the contact surface with the 125 surrounds the wiring pattern formed on the lower surface of the circuit board 125.
- the rib 126F is an example of the “rib” described in the claims, and the height position of the rib 126F is higher than that of the mounting surface 126E, so that water enters the region surrounded by the rib 126F. It also functions as a water blocking wall.
- a part of the lower surface of the circuit board 125, which is surrounded by the ribs 126F, is an area where higher waterproofness is required, and for example, an area where wiring patterns and through holes may be provided.
- FIG. 10 is a diagram showing a prohibited area 125D defined in the circuit board 125 according to the embodiment.
- FIG. 10 shows the circuit board 125 mounted on the mounting surface 126E of the under cover 126. Further, in FIG. 10, the rib 126F provided on the back side of the circuit board 125 is shown by a broken line, and the prohibited area 125D defined on the lower surface of the circuit board 125 is shown by hatching.
- an area outside the area surrounded by the contact surface of the rib 126F is defined as a prohibited area 125D on the lower surface of the circuit board 125.
- the prohibited area 125D is an area where the installation of the wiring pattern and the through hole is prohibited. That is, in the switch device 120 of the present embodiment, the wiring pattern and the through hole are not provided in the prohibited area 125D of the circuit board 125. As a result, in the switch device 120 according to the present embodiment, even if the prohibited area 125D of the circuit board 125 is flooded, the wiring pattern is electrolytically corroded, and the surface side of the circuit board 125 is flooded through the through hole. , Etc. will not occur.
- the prohibited area 125D is slightly enlarged inward of the rib 126F.
- the wiring pattern and Since the through hole is not provided, problems such as electrolytic corrosion of the wiring pattern and infiltration of water on the front surface side of the circuit board 125 through the through hole are prevented.
- a ground pattern may be provided in the prohibited area 125D. This is because the ground pattern does not cause a potential difference even if it is flooded, so that a problem such as electrolytic corrosion does not occur.
- the rubber cap 123 that covers the upper surface of the circuit board 125 has the flange portions 123B and 123C, and the flange portions 123B and 123C are the housing. It is arranged in a state of being pressed by the wall portions 122D and 122E of 122 and being bent. Thereby, in the switch device 120 according to one embodiment, the flange portions 123B and 123C are pressed against the inner surfaces of the wall portions 122D and 122E by the elastic restoring force of the flange portions 123B and 123C, and the state in which they are in close contact with each other is maintained.
- the switch device 120 since the flange portions 123B and 123C are bent downward, the manufacturing error of the flange portions 123B and 123C is allowed by the bending amount of the flange portions 123B and 123C. 123B and 123C can be pressed against the inner surfaces of the wall portions 122D and 122E to maintain a close contact state. Therefore, according to the switch device 120 according to the embodiment, the rubber cap 123 can prevent water from entering from the upper surface side of the rubber cap 123, and the gap between the flange portions 123B and 123C and the wall portions 122D and 122E. It is possible to prevent water from invading the lower surface side of the rubber cap 123, and thus it is possible to further enhance the waterproofness of the circuit board 125 provided inside the housing 122.
- the wall portions 122D and 122E are provided so as to include the inclined surface portions 122a1 and 122b1 provided such that the lower side of the wall portions 122D and 122E is away from the rubber cap 123, and the flange portion 123B. , 123C, and pressing portions 122a and 122b.
- the switch device 120 according to the embodiment is configured such that the rubber cap 123 and the circuit board 125 are simply pushed into the housing 122 from the lower opening 122C to a predetermined height position inside the housing 122, and the flange portion is formed. 123B and 123C can be bent downward by the pressing portions 122a and 122b. Therefore, according to the switch device 120 according to the embodiment, the waterproofness of the circuit board 125 provided inside the housing 122 can be further enhanced, and the assembling ease of the switch device 120 can be enhanced. it can.
- the rubber cap 123 extends along the peripheral edge of the rubber cap 123, and extends downward from the root portions of the flange portions 123B and 123C. It has a part 123A.
- the switch device 120 according to the embodiment prevents water from entering the circuit board 125 from the side of the circuit board 125 even if water enters the lower surfaces of the flange portions 123B and 123C. It can be prevented by the skirt portion 123A.
- the switch device 120 since the root portions of the flange portions 123B and 123C, which are branch points due to the provision of the skirt portion 123A, are reinforced, only the tip side of the flange portions 123B and 123C is selected.
- the rubber cap 123 can be prevented from rising from the circuit board 125. Therefore, according to the switch device 120 according to the embodiment, it is possible to further improve the waterproofness of the circuit board 125 provided inside the housing 122.
- the skirt portion 123A is provided in a peripheral wall shape surrounding the circuit board 125.
- the skirt portion 123A prevents water from entering the circuit board 125 from the side of the circuit board 125 over the entire outer peripheral edge portion of the circuit board 125. it can. Therefore, according to the switch device 120 according to the embodiment, it is possible to further improve the waterproofness of the circuit board 125 provided inside the housing 122.
- the rubber cap 123 is formed so as to penetrate from the upper side to the lower side on the path along which the flange portions 123B and 123C extend, or the flange portion 123B. , 123C has a cutout portion 123D formed by cutting out a part thereof. Accordingly, the switch device 120 according to the embodiment can discharge the water flowing on the flange portions 123B and 123C from the cutout portion 123D to the lower surface side of the flange portions 123B and 123C.
- the switch device 120 can prevent water from accumulating on the flange portions 123B and 123C, so that the water from between the flange portions 123B and 123C and the wall portions 122D and 122E can be prevented. It is possible to make it more difficult for water to enter the lower surface side of the rubber cap 123. Therefore, according to the switch device 120 according to the embodiment, it is possible to further improve the waterproofness of the circuit board 125 provided inside the housing 122.
- the under cover 126 that closes the lower opening 122C of the housing 122 corresponds to the cutout portion 123D, or from the upper side of the under cover 126 to the lower side. It has a drain port 126C formed by penetrating to the side or formed by notching the edge portion of the under cover 126.
- water flowing down from the cutout portion 123D onto the under cover 126 and flowing on the under cover 126 is discharged from the drain port 126C to the lower surface side of the under cover 126 (that is, the switch). It can be discharged to the outside of the device 120).
- the switch device 120 can prevent water from accumulating on the under cover 126, so that the circuit board 125 is flooded with water between the rubber cap 123 and the under cover 126. Can be less likely to occur. Therefore, according to the switch device 120 according to the embodiment, it is possible to further improve the waterproofness of the circuit board 125 provided inside the housing 122.
- the under cover 126 is provided in a bank shape so as to project upward from the mounting surface 126E of the under cover 126, and the upper side abuts the lower surface of the circuit board 125.
- the contact surface with the circuit board 125 has a rib 126F provided in a shape surrounding the wiring pattern formed on the lower surface of the circuit board 125. Accordingly, in the switch device 120 according to the embodiment, even if water intrudes into the mounting surface 126E of the under cover 126, a part of the lower surface of the circuit board 125 (for example, The ribs 126 ⁇ /b>F can prevent the wiring pattern and the area where the through holes may be provided) from being flooded. Therefore, according to the switch device 120 according to the embodiment, it is possible to further improve the waterproofness of the circuit board 125 provided inside the housing 122.
- the circuit board 125 has a wiring pattern and a through hole in an area (prohibition area 125D) outside the area surrounded by the ribs 126F on the lower surface of the circuit board 125. Is not provided.
- the switch device 120 even if the prohibited area 125D of the circuit board 125 is flooded, the wiring pattern is electrically corroded, and the surface side of the circuit board 125 is flooded through the through hole. It is possible to prevent problems such as turning on.
- the present invention has been described as an example in which the present invention is applied to the switch device having the operation knob for operating the power seat, but the present invention is not limited to this, and the present invention is applicable to at least the circuit board inside the housing. Any device can be applied as long as the one side is covered with the elastic sheet.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Push-Button Switches (AREA)
- Switch Cases, Indication, And Locking (AREA)
- Tumbler Switches (AREA)
Abstract
Description
図1は、一実施形態に係るパワーシートスイッチ100の外観斜視図である。図1に示すパワーシートスイッチ100は、車両のパワーシートの座高の高さやリクライニング角度の調整等を操作するための操作装置である。例えば、パワーシートスイッチ100は、車内における所定の位置(例えば、運転席側のドアの車内側)に設置される。なお、本実施形態では、便宜上、図中Z軸正方向を上方(特許請求の範囲に記載の「一方」の一例)とし、図中Z軸負方向を下方(特許請求の範囲に記載の「他方」の一例)とする。
図2は、一実施形態に係るパワーシートスイッチ100におけるスイッチ装置120の取り付け構造を示す図である。図2に示すように、スイッチ装置120は、本体110の台座部110Aに対して取り付け可能である。
以下、スイッチ装置120について具体的に説明する。なお、以降の説明では、便宜上、図中Z軸方向を垂直方向とし、図中X軸方向およびY軸方向を水平方向とする。
図4は、一実施形態に係るラバーキャップ123の上面側からの外観斜視図である。図5は、一実施形態に係るラバーキャップ123の下面側からの外観斜視図である。図6は、図4に示すラバーキャップ123のA-A断面図である。
図7は、一実施形態に係るスイッチ装置120のYZ平面による断面図である。図7に示すように、スイッチ装置120は、筐体122の上側開口122A内に操作ノブ121が取り付けられた状態で、筐体122の下側開口122Cから、互いに重なり合った状態の、ラバーキャップ123、スペーサ124、回路基板125、およびアンダーカバー126が、筐体122内に組み込まれ、さらに、アンダーカバー126が筐体122に対してネジ止め固定される。これにより、スイッチ装置120は、操作ノブ121の押圧操作により、ラバーキャップ123およびスペーサ124を介して、スイッチ125A,125Bを押圧することが可能となる。
図8を参照して、スイッチ装置120における水流を説明する。図8は、一実施形態に係るスイッチ装置120のXY平面による断面図である。
図9は、一実施形態に係るアンダーカバー126の外観斜視図である。図9に示すように、アンダーカバー126は、当該アンダーカバー126の載置面126Eから上方へ突出して堤状に設けられ、且つ、上方の側が回路基板125の下面に当接し、且つ、回路基板125との当接面が回路基板125の下面に形成された配線パターンを取り囲む形状に設けられるリブ126Fを有する。リブ126Fは、特許請求の範囲に記載の「リブ」の一例であり、載置面126Eよりも高さ位置が高められていることにより、当該リブ126Fに囲まれた領域内への水の進入を防止する止水壁として機能する。なお、リブ126Fによって囲まれる、回路基板125の下面の一部の領域は、より高い防水性が求められる領域であり、例えば、配線パターンおよびスルーホールが設けられてもよい領域である。
図10は、一実施形態に係る回路基板125に規定される禁止領域125Dを示す図である。図10では、アンダーカバー126の載置面126Eに載置された状態の回路基板125を示している。また、図10では、回路基板125の裏側に設けられたリブ126Fを、破線で示しており、回路基板125の下面に規定された禁止領域125Dを、ハッチングを付して示している。
110 本体
110A 台座部
120 装置
121 操作ノブ
122 筐体
122a,122b 押圧部
122C 下側開口
122D,122E 壁部
123 ラバーキャップ(弾性シート)
123A スカート部
123B,123C フランジ部
123D 切り欠き部(第1の排水部)
124 スペーサ
125 回路基板
125D 禁止領域
126 アンダーカバー
126C 排水口(第2の排水部)
126E 載置面
126F リブ
127 ケーブル
Claims (9)
- 筐体と、
前記筐体の内部に設けられる回路基板と、
前記回路基板の一方の一面を覆う弾性シートと
を備え、
前記筐体は、
一方の側の一方開口と他方の側の他方開口とが形成されており、前記一方開口と前記他方開口との間において、前記回路基板の前記一面が延在する方向と交差する方向に延在する壁部を有し、
前記弾性シートは、
フランジ部を有し、
前記フランジ部は、
前記壁部に当接することにより撓んだ状態で配置されている
ことを特徴とする装置。 - 前記壁部は、
一方の側よりも他方の側が前記弾性シートから遠ざかるように設けられた斜面部を含んで設けられ前記フランジ部と当接する押圧部を有する
ことを特徴とする請求項1に記載の装置。 - 前記弾性シートは、
前記フランジ部の付け根部分から他方へ向けて延設されたスカート部を有する
ことを特徴とする請求項1または2に記載の装置。 - 前記スカート部は、
前記回路基板を取り囲む周壁状に設けられている
ことを特徴とする請求項3に記載の装置。 - 前記弾性シートは、
前記フランジ部に隣接して、一方の側から他方の側に貫通して形成された、または、前記フランジ部の一部を切り欠くことによって形成された第1の排水部を有する
ことを特徴とする請求項1から4のいずれか一項に記載の装置。 - 前記他方開口を閉塞するアンダーカバーをさらに備え、
前記アンダーカバーは、
前記第1の排水部に対応して、当該アンダーカバーの一方の側から他方の側に貫通して形成された、または、前記第1の排水部に対応して、当該アンダーカバーの一部を切り欠くことによって形成された第2の排水部を有する
ことを特徴とする請求項5に記載の装置。 - 前記アンダーカバーは、
一方へ突出して堤状に設けられ、且つ、前記回路基板の他方の側に当接し、且つ、前記回路基板との当接面が前記回路基板の他方の側に形成された配線パターンを取り囲む形状に設けられるリブを有する
ことを特徴とする請求項6に記載の装置。 - 前記回路基板は、
当該回路基板の他方の側の前記当接面に取り囲まれた領域よりも外側の領域に、配線パターンおよびスルーホールのいずれも設けられていない
ことを特徴とする請求項7に記載の装置。 - 車両のパワーシートを操作するためのスイッチ装置であって、
筐体と、
前記筐体の内部に設けられる回路基板と、
前記回路基板の一方の一面を覆う弾性シートと
を備え、
前記筐体は、
一方の側の一方開口と他方の側の他方開口とが形成されており、前記一方開口と前記他方開口との間において、前記回路基板の前記一面が延在する方向と交差する方向に延在する壁部を有し、
前記弾性シートは、
フランジ部を有し、
前記フランジ部は、
前記壁部に当接することにより撓んだ状態で配置されている
ことを特徴とするスイッチ装置。
Priority Applications (5)
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JP2020559823A JP7119120B2 (ja) | 2018-12-12 | 2019-11-06 | 装置 |
CN201980079932.0A CN113168979B (zh) | 2018-12-12 | 2019-11-06 | 装置以及开关装置 |
DE112019006201.8T DE112019006201T5 (de) | 2018-12-12 | 2019-11-06 | Vorrichtung und Schaltvorrichtung |
KR1020217012002A KR102502311B1 (ko) | 2018-12-12 | 2019-11-06 | 장치 및 스위치 장치 |
US17/344,021 US11764009B2 (en) | 2018-12-12 | 2021-06-10 | Device and switch device |
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JP2018232646 | 2018-12-12 | ||
JP2018-232646 | 2018-12-12 |
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US17/344,021 Continuation US11764009B2 (en) | 2018-12-12 | 2021-06-10 | Device and switch device |
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WO2020121696A1 true WO2020121696A1 (ja) | 2020-06-18 |
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JP (1) | JP7119120B2 (ja) |
KR (1) | KR102502311B1 (ja) |
CN (1) | CN113168979B (ja) |
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- 2019-11-06 DE DE112019006201.8T patent/DE112019006201T5/de active Pending
- 2019-11-06 KR KR1020217012002A patent/KR102502311B1/ko active IP Right Grant
- 2019-11-06 CN CN201980079932.0A patent/CN113168979B/zh active Active
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CN113168979A (zh) | 2021-07-23 |
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US20210304985A1 (en) | 2021-09-30 |
CN113168979B (zh) | 2024-01-09 |
JPWO2020121696A1 (ja) | 2021-10-21 |
KR20210063388A (ko) | 2021-06-01 |
US11764009B2 (en) | 2023-09-19 |
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