Switch device for vehicle

Abstract

To provide a switch device for a vehicle in which a button is attached and in which water is prevented from entering the inside of a mounting portion that houses a switch and a circuit board.SOLUTION: A switch device for a vehicle 5 includes a button 51 that is pressed, a switch 5a that changes the switching mode in response to the pressing of the button 51, a circuit board 5b that is connected to the switch 5a, and an attachment portion 74 that houses the switch 5a and the circuit board 5b. The button 51 is provided with a groove portion 52 that fits into an end portion 74c of the attachment portion 74.SELECTED DRAWING: Figure 5

Description

[Technical Field]

[0001] The present invention relates to a switch device for a vehicle. [Background technology]

[0002] Patent Document 1 discloses a vehicle switch device in which a button that operates a switch when pressed is attached to a cylindrical mounting portion that houses a switch and a circuit board. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] China Patent Publication No. 114197970 Summary of the Invention [Problem to be solved by the invention]

[0004] In the vehicle switch device described in Patent Document 1, the button is fitted inside the mounting part, and water may enter the inside of the mounting part through the gap between the outer periphery of the button and the inner periphery of the mounting part, causing the switch or circuit board to become wet.

[0005] An object of the present invention is to provide a switch device for a vehicle in which a button is attached and in which the intrusion of water into the inside of a mounting portion that houses a switch and a circuit board is suppressed. [Means for solving the problem]

[0006] The present invention includes: a button that is pressed; a switch that switches a switching mode in response to a pressing operation of the button; a circuit board connected to the switch; a mounting portion for accommodating the switch and the circuit board, The switch device for a vehicle is characterized in that the button is provided with a groove that fits onto an end of the mounting portion.

[0007] According to the present invention, the end of the mounting portion is fitted into the groove portion, thereby forming a labyrinth passage, which makes it possible to prevent water from entering the inside of the mounting portion from the outside. [Effects of the Invention]

[0008] According to the vehicle switch device of the present invention, the button can be attached and water can be prevented from entering the inside of the attachment portion that houses the switch and the circuit board. [Brief explanation of the drawings]

[0009] [Figure 1] 1 is a perspective view of an electric steering lock device including a vehicle switch device according to the present invention; [Figure 2] FIG. 2 is a cross-sectional view of the electric steering lock device taken along line II-II in FIG. [Figure 3] FIG. 2 is an exploded perspective view of the electric steering lock device. [Figure 4] 4 is a plan view of the electric steering lock device taken along line IV-IV in FIG. 2. [Figure 5] 4 is an enlarged cross-sectional view of the periphery of the vehicle switch device indicated by an arrow V in FIG. 3. [Figure 6] 6 is a plan view of the electric steering lock device taken along line VI-VI in FIG. 2. [Figure 7] 7 is a cross-sectional view of the electric steering lock device taken along line VII-VII in FIG. 6. [Figure 8] FIG. [Figure 9] FIG. [Figure 10] 7 is a cross-sectional view of the electric steering lock device taken along line XX in FIG. 6. [Figure 11] FIG. [Figure 12] 12 is a cross-sectional view of the electric steering lock device taken along line XII-XII in FIG. 5. DETAILED DESCRIPTION OF THE INVENTION

[0010] Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the following description is merely exemplary in nature and is not intended to limit the present invention, its applications, or its uses.

[0011] 1 is a perspective view of an electric steering lock device 1 equipped with an ignition switch 5 as a vehicle switch device according to one embodiment of the present invention. The electric steering lock device 1 locks and unlocks the steering of, for example, a motorcycle or the like. In the following description, the operating direction (pushing direction) of the ignition switch 5 is referred to as the up-down direction, the moving direction of a locking member 32 (described later) is referred to as the front-rear direction, and the direction perpendicular to the up-down direction and the front-rear direction is referred to as the left-right direction.

[0012] As shown in FIG. 1, the electric steering lock device 1 in this embodiment includes a lock mechanism 3 having a lock member 32 that prevents or allows rotation of the steering shaft 2, a casing 7 that houses the lock mechanism 3, and an ignition switch 5 that is integrally attached to the casing 7 and is operated by pressing.

[0013] As shown in FIG. 2, the locking mechanism 3 includes a drive source 31, a locking member 32 that moves back and forth between a locked position P1 that prevents rotation of the steering shaft 2 by being driven by the drive source 31 and an unlocked position P2 that allows rotation of the steering shaft 2, and a power transmission mechanism 33 that transmits the rotational motion of the drive source 31 so as to convert it into linear motion of the locking member 32.

[0014] In this embodiment, the motor 31 serving as a drive source is fixed to the casing 7 so that the rotary shaft 31a extends in the vertical direction. One end 31b from which the rotary shaft 31a of the motor 31 protrudes is supported by the casing 7, and the other end 31c is supported by the casing 7 via a partition member 40. The other end 31c is a portion that protrudes from the main body of the motor 31 to support, for example, a bearing or the like that supports the other end of the rotary shaft 31a of the motor 31.

[0015] As shown in Figures 2 and 3, the power transmission mechanism 33 includes, for example, a first gear 33a that meshes with a worm provided on the rotating shaft 31a, a second gear 33b that meshes with the first gear 33a, a cam member 33c that is operatively connected to the second gear 33b, a slider member 33d that slides in the forward and backward directions as the cam member 33c rotates, a first biasing member 33e that connects the slider member 33d and the locking member 32, and a second biasing member (return spring) 33f that has one end held by the slider member 33d and the other end held by the casing 7 and that biases the slider member 33d rearward.

[0016] The rotational motion of the motor 31 is converted into linear motion in the forward and backward directions via the first gear 33a, the second gear 33b, the cam member 33c, the slider member 33d, and the first biasing member 33e, and is transmitted to the locking member 32.

[0017] More specifically, rotation of the rotary shaft 31a of the motor 31 to one side is converted into linear motion that moves the slider member 33d forward via the first gear 33a, the second gear 33b, and the cam member 33c. The forward movement of the slider member 33d causes the first biasing member 33e to advance the locking member 32 to the locking position P1.

[0018] The rotation of the rotary shaft 31a of the motor 31 to the other side is converted into linear motion that moves the slider member 33d rearward via the first gear 33a, the second gear 33b, and the cam member 33c. The rearward movement of the slider member 33d releases the forward biasing force of the locking member 32, and the second biasing member 33f causes the locking member 32 to retreat to the unlock position P2.

[0019] In this embodiment, the casing 7 has a divided structure and includes first to fourth casings 71, 72, 73, and 74. The first casing 71 houses the locking member 32 and the slider member 33d and is configured to guide the locking member 32 sliding in the front-to-rear direction. The second casing 72 is configured to cover the first casing 71 from below. The third casing 73 is configured to cover the top, sides, and rear of the first casing 71 and to house the first and second gears 33a and 33b and the cam member 33c. The fourth casing 74 extends upward from the top surface of the third casing and is configured to house the motor 31 and the ignition switch 5.

[0020] 2 and 4, the fourth casing 74 has a cylindrical shape that generally follows the outer diameter shape of the motor 31. As shown in Fig. 2, in this embodiment, the center line C of the fourth casing 74 and the rotation shaft 31a of the motor 31 are positioned coaxially.

[0021] As shown in FIG. 4, the fourth casing 74 is provided with a partition fixing portion 74a for fixing the partition member 40 that supports the other end portion 31c of the motor 31, and vibration-isolating ribs 74b for isolating the motor 31 from vibration.

[0022] The partition fixing portion 74a is located above the motor 31 and protrudes from an inner peripheral surface (inner surface) 74d of the fourth casing 74 toward the center line C. The partition fixing portion 74a is located on the front and left side of the fourth casing 74 in a plan view. The vibration-damping rib 74b protrudes from the inner peripheral surface 74d and extends in the up-and-down direction along the motor 31 (see FIG. 2). The vibration-damping rib 74b is located at a different circumferential position on the fourth casing 74 from the partition fixing portion 74a. In this embodiment, the vibration-damping rib 74b is located in the middle and on the right side of the fourth casing 74 in the front-to-rear direction in a plan view.

[0023] 4 and 5, the partition member 40 may be made of any material having a predetermined strength, such as a metal plate. The partition member 40 is disk-shaped and conforms to the inner circumferential surface 74d of the fourth casing 74, and is disposed within the fourth casing 74 such that the outer edge 40a is adjacent to the inner circumferential surface 74d of the fourth casing 74. For example, the gap between the inner circumferential surface 74d of the fourth casing 74 and the outer edge 40a of the partition member 40 is set to a predetermined distance that makes it difficult for tools or the like to be inserted through the gap.

[0024] An opening 41 is provided in the center of the partition member 40, penetrating the partition member 40 in the vertical direction. The opening 41 has a circular shape that roughly matches the shape of the other end 31c of the motor 31. The opening 41 is configured as a fitting portion that supports the motor 31 by fitting the other end 31c into it. The other end 31c of the motor 31 is supported by the fourth casing 74 via the partition member 40. The partition member 40 is provided with a screw hole 42 at a position corresponding to the partition fixing portion 74a, which is used to fix the partition member 40 to the partition fixing portion 74a with a bolt or the like.

[0025] The partition member 40 is provided with positioning portions 43 formed by cutting out the peripheral edge of the partition member 40 in accordance with the shape of the vibration-damping ribs 74b at positions corresponding to the vibration-damping ribs 74b. When assembling the partition member 40 by inserting it into the fourth case member 74 from below, the positioning portions 43 can be moved upward while engaging with the vibration-damping ribs 74b, making it easy to align the screw holes 42 with the partition fixing portions 74a.

[0026] 5, when the partition member 40 is fixed to the partition fixing portion 74a, the internal space of the fourth casing 74 is divided in the vertical direction by the partition member 40. A switch accommodating space S1 that accommodates the ignition switch 5 is formed above the partition member 40, and a motor accommodating space S2 that accommodates the motor 31 is formed below the partition member 40.

[0027] 4, in this embodiment, the partition member 40 has a partition member cutout 44 formed by cutting out a U-shaped portion of the peripheral edge at a position that is approximately point-symmetric about the center line C with respect to the positioning portion 43. The switch accommodating space S1 and the motor accommodating space S2 communicate with each other at the partition member cutout 44. A harness 9 for the ignition switch 5, which will be described later, is arranged in the partition member cutout 44.

[0028] 4 and 5, a vibration-isolating member 46 is disposed between the partition member 40 and the motor 31. The vibration-isolating member 46 has a generally donut shape in a plan view, and a central opening 46a is adapted to be fitted into the other end 31c of the motor 31.

[0029] 5, the ignition switch 5 is attached to the upper end portion of the fourth casing 74, and the fourth casing 74 also serves as a mounting portion for the ignition switch 5 (hereinafter, the fourth casing 74 will also be referred to as the "mounting portion"). More specifically, the ignition switch 5 is attached to a cylindrical peripheral wall portion of the fourth casing 74 that extends above the motor 31.

[0030] The ignition switch 5 has a button 51 that is pressed, a switch 5a that changes the switching mode in response to the pressing of the button 51, a circuit board 5b connected to the switch 5a, a holding member 60 that holds the switch 5a and the circuit board 5b, and a cylindrical mounting portion 74 that houses the switch 5a, the circuit board 5b, and the holding member 60.

[0031] 6, the mounting portion 74 has claw portions 75 that protrude from an inner peripheral surface 74d of the peripheral wall portion. In this embodiment, the claw portions 75 are arranged at four locations in a line in the circumferential direction of the mounting portion 74. The claw portions 75 have a front claw portion 75a located forward of the center line C, a rear claw portion 75b located rearward, a left claw portion 75c located on the left side, and a right claw portion 75d located on the right side.

[0032] 7, an inner end 75e of each claw 75 is formed with a slope that slopes radially outward from top to bottom. Fixing portions 64a, 64b, 64c, and 64d of the holding member 60 are adapted to engage with the claws 75a, 75b, 75c, and 75d, respectively.

[0033] 8 and 9, the holding member 60 is made of resin or the like. The holding member 60 has a base portion 61 on whose upper surface the switch 5a is disposed, a peripheral wall portion 62 that surrounds the switch 5a, and a vertical wall portion 63 that is disposed outside the peripheral wall portion 62. A peripheral groove portion 66 is formed between the peripheral wall portion 62 and the vertical wall portion 63, into which the biasing member 57, which will be described later, is fitted.

[0034] The base portion 61 is a block member having a substantially rectangular shape in a plan view, and has a front side surface 61a, a rear side surface 61b, a left side surface 61c, and a right side surface 61d. The peripheral wall portion 62 has a cylindrical shape extending upward from the upper surface of the base portion 61 at the center of the base portion 61 in a plan view. The inner wall of the peripheral wall portion 62 is formed in a substantially rectangular shape that matches the shape of the switch 5a. The vertical wall portion 63 extends upward from the periphery of the base portion 61. The outer surfaces of the vertical wall portion 63 are continuous with each side surface of the base portion 61.

[0035] In this embodiment, the vertical wall portion 63 has a front vertical surface 63a continuing with the front side surface 61a of the base portion 61, a rear vertical surface 63b continuing with the rear side surface 61b of the base portion 61, a left vertical surface 63c continuing with the left side surface 61c of the base portion 61, and a right vertical surface 63d continuing with the right side surface 61d of the base portion 61. The front side surface 61a and the front vertical surface 63a, the rear side surface 61b and the rear vertical surface 63b, the left side surface 61c and the left vertical surface 63c, and the right side surface 61d and the right vertical surface 63d respectively constitute the front surface, rear surface, left surface, and right surface of the holding member 60.

[0036] As shown in Fig. 8, the front, rear, left, and right surfaces are provided with a front fixing portion 64a, a rear fixing portion 64b, a left fixing portion 64c, and a right fixing portion 64d that protrude outward. As shown in Fig. 6, the front fixing portion 64a and the rear fixing portion 64b are positioned to the right of the center line C. The left fixing portions 64c and 64d are positioned forward of the center line C.

[0037] 6 and 7, each fixing portion 64 is provided at a position corresponding to each claw portion 75 and is fitted into each claw portion 75. Each fixing portion 64 has an upper protrusion 64e located above each claw portion 75 and a lower protrusion 64f located below each claw portion 75.

[0038] The outer end 64g on the radially outer side of the upper protrusion 64e is inclined radially outward from top to bottom. The inclination of the outer end 64g roughly matches the inclination of the claw portion 75. The lower surface of the upper protrusion 64e is designed to rest on the upper surface of the claw portion 75. The lower protrusion 64f extends radially outward further than the upper protrusion 64e. When the holding member 60 is inserted from below the mounting portion 74, the outer end 64g of the upper protrusion 64e moves upward while abutting against the inner end 75e of the claw portion 75, and after passing through the claw portion 75, the claw portion 75 is fitted between the upper protrusion 64e and the lower protrusion 64f.

[0039] 8, a front engagement protrusion 65a, a rear engagement protrusion 65b, a left engagement protrusion 65c, and a right engagement protrusion 65d that protrude outward are provided on the front, rear, left, and right surfaces of the holding member 60. As shown in FIG. 6, the front engagement protrusion 65a and the rear engagement protrusion 65b are disposed to the left of the center line C, and the left engagement protrusion 65c and the right engagement protrusion 65d are disposed behind the center line C.

[0040] 10, each engaging protrusion 65 is disposed below each vertical wall portion 63 and is adapted to engage with an engaging hole 56 of the button 51, which will be described later. A radially outer end 65e of each engaging protrusion 65 is inclined radially outward from above to below.

[0041] As shown in FIG. 5, the base portion 61 has a recess 61e formed by recessing the lower surface of the base portion 61 upward, in order to place the circuit board 5b therein.

[0042] As shown in Fig. 8, guide grooves 68 are formed in the corners of the base portion 61. In this embodiment, the guide grooves 68 are grooves that extend in the vertical direction by recessing the corners of the base portion 61. The guide grooves 68 are provided between the front side surface 61a and the right side surface 61d, between the right side surface 61d and the rear side surface 61b, and between the rear side surface 61b and the left side surface 61c. The guide grooves 68 are not provided in the corners between the front side surface 61a and the left side surface 61c of the base portion 61.

[0043] The guide groove 68 has a pair of guide side walls 68a extending in the vertical direction and a bottom wall 68b connecting the pair of guide side walls 68a, and has a U-shaped cross section in a plan view. In this embodiment, the bottom wall 68b is substantially perpendicular to the radial direction.

[0044] 6 and 8, a notch 69 is provided in the corner between the front side surface 61a and the left side surface 61c of the base portion 61. The notch 69 is disposed in correspondence with the partition fixing portion 74a.

[0045] As shown in Fig. 5, the holding member 60 further has a rectangular tube portion 67 extending downward from the lower surface of the base portion 61 so as to surround the recessed portion 61e. The rectangular tube portion 67 is disposed closer to the center line C than each side surface of the base portion 61. The lower end of the rectangular tube portion 67 is placed on the upper surface of the partition member 40. A space S surrounded by the rectangular tube portion 67 and the recessed portion 61e is formed between the circuit board 5b and the partition member 40. A harness 9 connected to the circuit board 5b is disposed in the space S.

[0046] 4, the rectangular tube portion 67 is provided with a rectangular tube notch 67a for inserting the harness 9. The rectangular tube notch 67a is located between the front vertical surface 63a and the left vertical surface 63c, and is provided at a position corresponding to the partition fixing portion 74a and the partition member notch 44.

[0047] As shown in FIG. 5, a button 51 is fitted onto an upper edge 74c of the attachment portion 74 so as to be slidable in the up and down direction relative to the attachment portion 74. As shown in FIG.

[0048] As shown in Fig. 5, the button 51 has an operation surface 51a that is pressed. The button 51 is slidable between a first operation position (non-operation position) P3 where it is not pressed and a second operation position (operation position) P4 where it is pressed. When not pressed, the button 51 is located at the non-operation position P3. Referring to Figs. 11 and 12, the button 51 has a circular shape in a plan view and is made of, for example, resin. The diameter of the operation surface 51a is set to be larger than the outer diameter of the mounting portion 74.

[0049] 10 and 12, button 51 has an outer wall 53 extending from peripheral edge 51c of operation surface 51a in the operation direction of button 51, and an inner wall 54 located on the opposite side of operation surface 51a, i.e., a counter-operation surface 51b, closer to center line C of button 51 than outer wall 53. Groove 52 is formed by outer wall 53, inner wall 54, and counter-operation surface 51b located between outer wall 53 and inner wall 54. Counter-operation surface 51b located between outer wall 53 and inner wall 54 forms groove bottom 55.

[0050] As shown in Figures 10 and 11, the button 51 has a groove portion 52 provided on the opposite operating surface 51b that fits into the upper edge portion 74c of the mounting portion 74, and an engagement hole portion 56 that is positioned closer to the center line C than the groove portion 52 and engages with each engagement protrusion 65 of the holding member 60.

[0051] The outer wall 53 is cylindrically formed along the entire circumference of the peripheral edge portion 51c. The inner diameter of the outer wall 53 roughly matches the outer diameter of the mounting portion 74. The lower end portion 53a of the outer wall 53 is located below the upper edge portion 74c of the mounting portion 74.

[0052] 11 and 12, the inner wall 54 extends along the outer wall 53. The inner wall 54 has an arc-shaped cross section in a bottom view so as to face the outer wall 53. The outer diameter of the inner wall 54 roughly matches the inner diameter of the mounting portion 74. In this embodiment, the inner walls 54 are arranged intermittently along the outer wall 53. More specifically, four inner walls 54 are arranged intermittently in the circumferential direction of the mounting portion 74. The first to fourth inner walls 54a, 54b, 54c, and 54d are arranged between the outer wall 53 and the engagement hole portion 56.

[0053] 10 , the lower end 54e of each inner wall 54 is preferably located below the upper edge 74c of the mounting portion 74. In this embodiment, the lower end 54e of each inner wall 54 is located between the lower end 53a of the outer wall 53 and the upper edge 74c of the mounting portion 74. The width (radial dimension) W1 of the groove bottom 55 is approximately equal to the thickness T1 of the mounting portion 74.

[0054] 11 and 12, of the first to fourth inner walls 54a, 54b, 54c, and 54d, the first to third inner walls 54a, 54b, and 54c are each provided with a leg 54f extending downward from a lower end 54e. The leg 54f is columnar and extends vertically.

[0055] As shown in FIGS. 6 and 11, each leg 54f is provided at a position corresponding to the guide groove 68. Each leg 54f is provided with a protrusion 54g that protrudes toward the center line C so as to abut against the bottom wall 68b. The protrusion 54g has a semicircular shape when viewed from the bottom. The protrusion 54g extends vertically along the leg 54f from the lower end of the leg 54f to the opposite operating surface 51b. The amount of protrusion of the protrusion 54g from the inner wall 54 is set so that the semicircular apex 54h of the protrusion 54g that is located closest to the center line C abuts against the bottom wall 68b. The protrusion 54g and the guide groove 68 are in line contact.

[0056] As shown in FIGS. 6 and 10 , the engagement holes 56 are provided at positions closer to the center line C of the button than the inner wall 54, and at positions corresponding to the respective engagement protrusions 65. The engagement holes 56 are arranged intermittently at different positions relative to the inner wall 54 in the circumferential direction of the mounting portion 74. More specifically, the engagement holes 56 are openings 56b that radially penetrate a plate-shaped portion 56a extending downward from the anti-operation surface 51b. The plate-shaped portions 56a are arranged at positions that do not overlap with the respective inner walls 54 in the circumferential direction of the mounting portion 74. The plate-shaped portions 56a are arranged along the outer sides of the respective vertical wall portions 63 of the holding member 60.

[0057] 10, a sloped portion 56d that slopes radially outward from top to bottom is formed at the lower end 56c of the plate-shaped portion 56a. When the button 51 is attached from above the attachment portion 74, the plate-shaped portion 56a moves downward while elastically deforming so as to be pushed open by the engaging protrusions 65. After the sloped portions 56d pass the engaging protrusions 65, the deformation of the plate-shaped portion 56a is released, and the engaging protrusions 65 are positioned within the engaging holes 56b. The vertical dimension of the engaging holes 56b only needs to be set so as not to interfere with the engaging protrusions 65 even when the button 51 is in the operating position P4. For example, the distance between the top surface of the engaging protrusions 65 and the upper edge of the engaging holes 56b is set to be equal to or greater than the vertical sliding distance of the button 51.

[0058] A lower end 56c of the plate-shaped portion 56a is positioned above the partition member 40, and the distance between the plate-shaped portion 56a and the partition member 40 is set to a predetermined distance that does not prevent the partition member 40 from interfering with the vertical sliding of the button 51. As shown by the two-dot chain line in Figure 5, the lower end 56c of the plate-shaped portion 56a is set to be positioned above the partition member 40 even when the button 51 is operated to the operating position P4.

[0059] 5, a biasing member 57 that biases the button 51 upward is disposed between the counter-operation surface 51b of the button 51 and the holding member 60. The biasing member 57 is made of an elastic member such as rubber. In a non-operated state, the biasing member 57 maintains the button 51 at a non-operation position P3. When the button 51 is pressed, the button 51 descends, causing a side wall portion 57a ​​of the biasing member 57 to elastically deform, and a facing portion 57b of the biasing member 57 that faces the switch 5a to press the switch 5a. When the button 51 is released from the pressing operation, the elastic restoring force of the side wall portion 57a ​​moves the facing portion 57b away from the switch 5a, and the button 51 is raised to the non-operation position P3.

[0060] The vehicle switch device 5 according to the above embodiment provides the following advantageous effects.

[0061] A vehicle switch device 5 according to one embodiment of the present invention includes a button 51 that is pressed, a switch 5a that switches the switching mode in response to the pressing of the button 51, a circuit board 5b that is connected to the switch 5a, and a mounting portion 74 that accommodates the switch 5a and the circuit board 5b. The button 51 is provided with a groove portion 52 that fits into an upper end portion 74c of the mounting portion 74.

[0062] According to this configuration, the upper end portion 74c of the attachment portion 74 is fitted into the groove portion 52, thereby forming a labyrinth passage, and therefore, water can be prevented from entering the attachment portion 74 from the outside.

[0063] The button 51 has an operating surface 51a that is pressed, an outer wall 53 that extends from the peripheral edge 51c of the operating surface 51a in the operating direction of the button 51, and an inner wall 54 that is positioned closer to the center line C of the mounting portion 74 than the outer wall 53 on the counter-operation surface 51b side opposite the operating surface 51a, and the groove portion 52 is composed of the outer wall 53, the inner wall 54, and the counter-operation surface 51b that is positioned between the outer wall 53 and the inner wall 54.

[0064] According to this configuration, the labyrinth passage described above can be formed.

[0065] Since the inner wall 54 extends along the outer wall 53, it is possible to reduce the gap between the upper end 74c of the mounting portion 74 and the inner wall 54, and between the upper end 74c and the outer wall 53, thereby more effectively preventing water from entering the inside of the mounting portion 74 from the outside.

[0066] A holding member 60 that holds the switch 5a and the circuit board 5b is arranged on the mounting portion 74, and the holding member 60 is provided with a guide groove 68 that extends in the sliding direction (up and down direction) of the button 51, and the inner wall 54 is provided with a leg portion 54f that fits into the guide groove 68.

[0067] According to this configuration, when the button 51 is pressed, the button 51 does not tilt relative to the sliding direction, and the operability of the button 51 can be improved.

[0068] Either the leg portion 54f or the guide groove 68 is provided with a protrusion 54g that abuts against the other.

[0069] According to this configuration, the protrusion 54g provided on one side abuts on the other side, so that rattling of the button 51 can be prevented.

[0070] Because protrusion 54g makes line contact with the other, the contact area between leg 54f and guide groove 68 can be reduced compared to when leg 54f makes surface contact with guide groove 68. This reduces the frictional resistance between leg 54f and guide groove 68, improving the operability of button 51.

[0071] The inner wall 54 is disposed at intervals along the outer wall 53, and the button 51 engages with the holding member 60 and has engagement holes 56 provided at different positions relative to the inner wall 54.

[0072] According to this configuration, the button can be engaged with the holding member 60 through the engagement hole 56, while the inner wall 54 can prevent water from entering the inside of the attachment portion 74 from the outside.

[0073] In this embodiment, a configuration has been described in which the inner wall 54 is provided intermittently in the circumferential direction of the mounting portion 74, but this is not limited to this, and for example, the inner wall 54 may be provided around the entire circumference along the outer wall 53.

[0074] In the present embodiment, a configuration has been described in which the lower end of the inner wall 54 is located higher than the lower end of the outer wall 53, but this is not limiting, and it is sufficient that the inner wall 54 at least overlaps the mounting portion 74 in the vertical direction. For example, the lower end of the inner wall 54 may be located at the same position as the lower end of the outer wall 53.

[0075] In this embodiment, the protrusion 54g is provided on the leg 54f. However, the protrusion may be provided on the bottom wall 68b of the guide groove 68.

[0076] In this embodiment, the vehicle switch device is applied to the ignition switch 5, but the vehicle switch device may also be applied to an engine start switch or the like.

[0077] The present invention is not limited to the configurations described in the above embodiments, and various modifications are possible.

[0078] [Note] The present disclosure includes the following aspects.

[0079] [Aspect 1] A button to be pressed; a switch that switches a switching mode in response to a pressing operation of the button; a circuit board connected to the switch; a mounting portion for accommodating the switch and the circuit board, The button is provided with a groove that fits onto the end of the attachment part. Vehicle switch device.

[0080] [Aspect 2] The button is an operation surface to be pressed; an outer wall extending from an edge of the operation surface in the operation direction of the button; an inner wall disposed on the opposite side of the operation surface and closer to the center line of the button than the outer wall; The groove portion is characterized in that it is formed by the outer wall, the inner wall, and the anti-operation surface located between the outer wall and the inner wall. The vehicle switch device according to claim 1.

[0081] [Aspect 3] The inner wall extends along the outer wall. The vehicle switch device according to aspect 2.

[0082] [Aspect 4] a holding member for holding the switch and the circuit board is disposed on the mounting portion; The holding member is provided with a guide groove extending in the sliding direction of the button, The inner wall is provided with a leg portion that fits into the guide groove. The vehicle switch device according to aspect 2 or 3.

[0083] [Aspect 5] A protrusion is provided on either the leg portion or the guide groove to come into contact with the other. The vehicle switch device according to aspect 4.

[0084] [Aspect 6] The protrusion is in line contact with the other. 6. The vehicle switch device according to claim 5.

[0085] [Aspect 7] the inner wall is disposed intermittently along the outer wall, The button engages with the holding member and has an engagement hole provided at a different position relative to the inner wall. A switch device for a vehicle according to any one of aspects 4 to 6. [Explanation of symbols]

[0086] 5. Vehicle switch device 5a switch 5b Circuit board 51 Button 51a Operation surface 51b Opposite operation surface 51c Periphery (edge) 52 Groove 53 Exterior Wall 54 Inner wall 54f Legs 54g protrusion 56 Engagement hole 60 Retaining member 68 Guide groove 74 Mounting part 74c Upper end (end) C center line

Claims

1. A button to be pressed; a switch that switches a switching mode in response to a pressing operation of the button; a circuit board connected to the switch; a mounting portion for accommodating the switch and the circuit board, The button is provided with a groove that fits onto the end of the attachment part. Vehicle switch device.

2. The button is an operation surface to be pressed; an outer wall extending from an edge of the operation surface in the operation direction of the button; an inner wall disposed on the opposite side of the operation surface and closer to the center line of the attachment portion than the outer wall; The groove portion is characterized in that it is formed by the outer wall, the inner wall, and the anti-operation surface located between the outer wall and the inner wall. The vehicle switch device according to claim 1 .

3. The inner wall extends along the outer wall. The vehicle switch device according to claim 2 .

4. a holding member for holding the switch and the circuit board is disposed on the mounting portion; The holding member is provided with a guide groove extending in the sliding direction of the button, The inner wall is provided with a leg portion that fits into the guide groove. The vehicle switch device according to claim 2 or 3.

5. A protrusion is provided on either the leg portion or the guide groove to come into contact with the other. The vehicle switch device according to claim 4.

6. The protrusion is in line contact with the other. The vehicle switch device according to claim 5.

7. the inner wall is disposed intermittently along the outer wall, The button engages with the holding member and has an engagement hole provided at a different position relative to the inner wall. The vehicle switch device according to claim 4.

Images