JP5236964B2 - Collective switch - Google Patents

Description

  The present invention relates to an improvement of a collective switch in which a switch base includes a first switch array including a plurality of first switches and a second switch array including a plurality of second switches.

Such a collective switch is already known as disclosed in Patent Document 1.
JP 2004-319109 A

  In the conventional collective switch, since the first switch row and the second switch row are separated from each other and provided in the switch base, the interval between the first and second switch rows is widened. It was difficult to make the whole compact.

  The present invention has been made in view of such circumstances, and an object thereof is to provide a compact collective switch by arranging a plurality of first and second switches in a space-efficient manner.

In order to achieve the above object, the present invention provides a switch base comprising a first switch row comprising a plurality of first switches and a second switch comprising a plurality of second switches arranged along the row direction of the first switch rows . a set switch that is on-site and switch array, a switch knob of a plurality of first switch, and a switch knob of a plurality of second switches, so that they are discrepancies to each other in a direction perpendicular to the row direction And a switch base supporting a switch knob of a first switch via a first pivot and a switch knob of a second switch via a second pivot so as to be rotatable. The switch knob is provided with an operating surface at one end opposite to the second switch row and an operating arm at the other end on the second switch row. The width along the row direction is set to be narrower than that of the operation surface portion, and the switch knob of the second switch is inserted between the adjacent operation arms. A first contact means and a plurality of second contact means operated by a pressing portion of the switch knob of the second switch are provided on the operation surface side of the operating arm, and the first contact means and the second contact are provided. The means is located between the first and second pivots such that the first contact means is closer to the second pivot, and the second contact means is closer to the first pivot, and the first contact means and the first pivot that the second contact means are alternately arranged in the column direction shall be the first feature.

Furthermore, in addition to the first feature, the present invention joins a circuit board with a packing between the switch base and the first and second contact holders attached to the first and second contact holding portions formed on the packing. and the movable contact, the second characterized by being configured the first and second contact means in the first and second first and second stationary contacts corresponding to the movable contact Ru is attached to the circuit board .

According to the first feature of the present invention, the switch knobs of the plurality of first switches and the switch knobs of the plurality of second switches are arranged so as to be in contact with each other in a direction orthogonal to the switch row. Thus, the first and second switch rows can be arranged with good space efficiency, thereby effectively reducing the interval between the first and second switch rows and contributing to the compactness of the collective switch.

The switch knob of the first switch is provided with an operation surface at one end opposite to the second switch row and an operating arm at the other end on the second switch row. The width of the second switch is set to be narrower than that of the operation surface, and the switch knob of the second switch is inserted between the adjacent operating arms, so that the operability of the switch knob of the first switch is not hindered. It is possible to effectively reduce the size of the first and second switch rows in the row direction of the switch and contribute to further downsizing of the collective switch.

Further, the switch base includes a plurality of first contact means operated by the distal end portion of the operating arm, and a plurality of first contact means operated by the pressing portion of the switch knob of the second switch on the operation surface side of the distal end portion of the operating arm. A second contact means, the first contact means and the second contact means being located between the first and second pivots, the first contact means being closer to the second pivot, and the second contact means being Since the first contact means and the second contact means are arranged so as to be closer to the first pivot and are alternately arranged in the row direction, the arrangement of the first and second contact means is a plurality of first contacts. Reasonably matches the row arrangement of the first and second switch knobs, facilitating compactness of the collective switch.

According to a second aspect of the present invention, the first and second contact means is made to be arranged in the sealing region of the packing, it is possible to waterproof the first and second contact means.

  Embodiments of the present invention will be described below on the basis of preferred embodiments of the present invention shown in the accompanying drawings.

  FIG. 1 is a plan view showing a mounting state of the collective switch of the present invention on a steering wheel of an automobile, FIG. 2 is a perspective view of the collective switch, FIG. 3 is a view taken in the direction of arrow 3 in FIG. 4 is a sectional view taken along the line 5-5 in FIG. 4, FIG. 6 is a sectional view taken along the line 6-6 in FIG. 4, FIG. 7 is an exploded perspective view of the main part of the first switch in the collective switch, FIG. Is an exploded perspective view of the main part of the second switch in the collective switch, FIG. 9 is a plan view of the packing along the arrow 9-9 in FIG. 5, and FIG. 10 is a view of the circuit board along the arrow 10-10 in FIG. It is a top view.

  First, in FIG. 1, a steering wheel 1 of an automobile includes a hub 1h connected to a steering stem, an annular grip 1g surrounding the hub 1h, and several spokes 1s connecting between the hub 1h and the grip 1g. The collective switch 2 of the present invention disposed between adjacent spokes 1s, 1s is attached to the hub 1h.

  As shown in FIGS. 2 and 3, the collective switch 2 is arranged along the circumferential direction of the hub 1h and the first switch row 3 composed of a plurality of first switches 5 arranged along the circumferential direction of the hub 1h. A plurality of second switches 6... And a second switch row 4 disposed below the first switch row 3 along the axial direction of the hub 1 h, and these are provided on the hub 1 h with screws 14 (see FIG. 4). ) Are attached to a common switch base 7 fixed together. In the illustrated example, the first switch row 3 includes three first switches 5..., And the second switch row 4 includes two second switches 6.

  4 to 7, the switch base 7 is made of a synthetic resin, and a plurality of first brackets 8 are arranged integrally on the upper surface thereof along the circumferential direction of the hub 1h at regular intervals. The switch knobs 15 of the plurality of first switches 5 (hereinafter referred to as first switch knobs) can be rotated by the first pivots 10 projecting from the opposing surfaces of the first brackets 8. Supported by In FIG. 7, reference numeral 12 denotes a first bearing hole of the first switch knob 15 that is rotatably fitted to the first pivot 10.

  The plurality of first switches 5 are made of synthetic resin, and the structure thereof is basically the same. One of them will be described below. At the tip of the first switch knob 15 on the opposite side of the first pivot 10, that is, on the grip 1g side, a first operation surface portion 17 is formed in the upper portion, and an operating arm 18 is formed in the lower portion. The first operation surface portion 17 is arranged so that the driver can perform a push operation with the thumb F1 of the hand holding the grip 1g.

  The operating arm 18 is set so that the width along the row direction of the first switch row 3 is narrower than that of the first operation surface portion 17 (see FIG. 7).

  The first switch knob 15 is composed of an upper knob half 15a having a first operating surface portion 17 and a first pivot 10, and a lower knob half 15b having an operating arm 18, and both knob halves 15a, 15b are They are coupled to each other by engagement of the locking claws 23 and the locking holes 24 formed in them.

  A first push pin 25 facing the tip of the operating arm 18 is slidably fitted into the first guide hole 26 of the switch base 7 in a horizontal posture. The first push pin 25 is formed in a stepped shape having a large-diameter portion 25 a on the side opposite to the operating arm 18, and corresponds to the first movable contact 27 operated by the large-diameter portion 25 a and the first movable contact 27. The first fixed contact 28 is disposed on the back side of the switch base 7, that is, on the hub 1h side. Details of the first movable contact 27 and the first fixed contact 28 will be described later.

4, 6, and 8, a plurality of pairs of second brackets 9 are integrally formed on the outer surface of the switch base 7 on the grip 1 g side, and the pair of second brackets 9. A plurality of second switches 6 ... (Hereinafter referred to as second switch knobs) are rotatably supported by the projecting second pivots 11. In FIG. 8, reference numeral 13 denotes a second bearing hole of the second switch knob 16 that is rotatably fitted to the first pivot 10.

  The plurality of second switches 6 are made of synthetic resin, and their structures are basically the same, and one of them will be described below. A second operation surface portion 32 is formed on the outer portion of the second switch knob 16 at a tip portion located above the second pivot 11 and on the grip 1g side. The second operation surface portion 32 faces obliquely downward. The driver is arranged so that it can be pulled by a finger F2 other than the thumb of the hand holding the grip 1g, for example, the middle finger.

  The second switch knob 16 includes an upper knob half 16a having the second pivot 11 and the second operation surface portion 32, and a lower knob half 16b having a pressing portion 38. Both knob halves 16a and 16b are They are coupled to each other by engagement of the locking claws 36 and the locking holes 37 formed on them.

  On the inner surface of the second switch knob 16, a pressing portion 38 is formed above the lower end portion of the operating arm 18, and a second push pin 39 facing the pressing portion 38 is the same as the first push pin 25. The switch base 7 is slidably fitted into the second guide hole 40 in a horizontal posture. The second push pin 39 is also formed with a step having a large diameter portion 39a on the side opposite to the pressing portion 38, and corresponds to the second movable contact 41 operated by the large diameter portion 39a. The second fixed contact 42 is disposed on the back side of the switch base 7, that is, on the hub 1h side. Details of the second movable contact 41 and the second fixed contact 42 will be described later.

  Thus, the plurality of first and second switch knobs 15... 16 are formed by the pressing portion 38 of the second switch knob 16 entering between the narrow operating arms 18 of the first switch knob 15. Arranged in a heel state.

  Now, the first movable and fixed contacts 27 and 28, the first movable and fixed contacts 41 and 42, and the like will be described with reference to FIG. 5, FIG. 6, FIG. 9, and FIG.

  A relatively flat board housing 45 is recessed in the inner surface of the switch base 7 on the hub 1h side, and a soft synthetic resin-made sheet-like packing 46 formed in accordance with the contour of the board housing 45, The circuit board 47 is fitted with the packing 46 at the back, and the peripheral edge thereof is fixed by a plurality of screws 47.

  As shown in FIGS. 5, 6, and 9, the packing 46 has a plurality of cup-shaped second protrusions protruding from the bottom toward the first push pins 25 at the positions corresponding to the plurality of first push pins 25. A plurality of second contact holding portions 50 of the same shape are formed at positions corresponding to the one contact holding portions 49... And the second push pins 39 of the plurality of second switches 6. The first movable contact 27 is attached to the bottom surface in the portion 49, and the second movable contact 41 is attached to the bottom surface in each second contact holding portion 50.

  At this time, as described above, the second movable contact 41 is connected to the first movable knob 41 in relation to the fact that the pressing portions 38 of the plurality of second switch knobs 16. It is arranged above the row of movable contacts 27 and at an intermediate position between the first movable contacts 27.

  As shown in FIGS. 5 and 7, the non-operation position of the first switch knob 15 is restricted by the stopper protrusion 53 on the side of the first switch knob 15 coming into contact with the stopper piece 52 provided continuously with the first bracket 8. The cup-shaped first contact holding portion 49 has a resilient force that urges the first switch knob 15 to the non-operation position side via the first push pin 25.

  As shown in FIGS. 6 and 8, the non-operation position of the first switch knob 15 is a stopper piece integrally formed with the second switch knob 16 on a stopper protrusion 55 protruding on the side surface of the second bracket 9. The cup-shaped second contact holding part 50 is configured to be connected to the second switch knob 16 via the second push pin 39. , Has a resilient force to urge toward the non-operation position side.

  As shown in FIGS. 5, 6, and 10, the circuit board 47 has first and second fixed contacts 28 each having a pair of contacts at positions corresponding to the first and second movable contacts 27 and 41. , 42 are provided, and a connector 58 holding an energizing terminal connected to the first and second fixed contacts 28, 42 is joined to the lower portion of the circuit board 47.

  2 and 4 to 6 again, a cover 59 that covers the operating arm 18 of the plurality of first switch knobs 15 is removably coupled to the switch base 7 by engagement of the locking claws 61 and the locking holes 62. Is done. The cover 59 is provided with a plurality of windows 63 that expose the second operation surface portions 32 of the plurality of second switch knobs 16 and a partition wall 64 that intervenes between the second switch knobs 16.

In the above, the first switch 5 is constituted by the first switch knob 15, the first push pin 25, the first movable contact 27, and the first fixed contact 28, and the second switch knob 16, the second push pin 39, the second movable contact. The contact 41 and the second fixed contact 42 constitute the second switch 6. The first movable and fixed contacts 27 and 28 constitute a first contact means 65, and the second movable and fixed contacts 41 and 42 constitute a second contact means 66. Thus, as is apparent from FIGS. 5 to 9, the first contact means 65 and the second contact means 66 are the first and second pivots which are pivots of the first switch knob 15 and the second switch knob 16. 10 and 11, the first contact means 65 is closer to the second pivot 11, and the second contact means 66 is closer to the first pivot 10, and the first contact means 65 and second Contact means 66 are arranged alternately in the row direction.

  Next, the operation of this embodiment will be described.

  When the driver pushes the first operation surface portion 17 of the first switch knob 15 with the thumb F1 of the hand holding the grip 1g of the steering wheel 1, the first switch knob 15 is moved to the first pivot 10 as shown in FIG. Since the first push pin 25 is rotated clockwise and presses the first push pin 25, the first push pin 25 causes the first movable contact 27 to be the first fixed contact while applying compression deformation to the first contact holding portion 49. 28 is brought into contact, and it is made conductive, that is, the first switch 5 is turned on. As a result, the electric load connected to the first fixed contact 28 via the connector 58 is activated.

  When the driver pulls the second operation surface portion 32 of the second switch knob 16 with a finger F2 other than the thumb of the hand holding the grip 1g of the steering wheel 1, for example, the middle finger, as shown in FIG. 16 rotates counterclockwise around the second pivot 11 and presses the second push pin 39, so that the second push pin 39 applies the second deformation while compressing the second contact holding portion 50. The movable contact 41 is brought into contact with the second fixed contact 42 to make it conductive, that is, the second switch 6 is turned on. As a result, the electric load connected to the second fixed contact 42 via the connector 58 is activated.

In such a collective switch 2, the first and second switch rows 3 and 4 are arranged such that a plurality of first switch knobs 15 and a plurality of second switch knobs 16 are in contact with each other in the vertical direction. Runode, vertical dimension of the current case the switch 2, aims to shorten the distance between the first and second switch array 3 and 4 in other words effectively, can contribute to downsizing of the set switch 2.

  Further, in each first switch knob 15, the width of the operating arm 18 along the column direction of the first switch row 3 is set to be narrower than that of the first operation surface portion 17, and the distance between the operating arms 18 thus widened is reduced. Since the second switch knobs 16 are arranged so as to enter the first switch knob 15 without impeding the operability of the first switch knob 15, It is possible to effectively reduce the size and contribute to further downsizing of the collective switch 2.

Further, a pressing portion 38 of the second switch knob 16 is disposed above the distal end portion of the operating arm 18 of the first switch knob 15, and correspondingly, the first movable contact 27 operated by the distal end portion of the operating arm 18. The second movable contact 41 operated by the pressing portion 38 is disposed above the first row and in the middle position between the first movable contacts 27..., And the second movable contacts 27, 41 corresponding to the first and second movable contacts 27, 41 are arranged. Since the first and second fixed contacts 28 and 42 are attached to the circuit board 47, the first and second movable contacts 27 and 41 and the first and second fixed contacts 28 and 42 are arranged in a plurality of first and second positions. It is reasonably matched to the arrangement of the second switch knobs 15... 16.

  Furthermore, since the first and second movable contacts 27 and 41 are attached to the first and second contact holding portions 49 and 50 of the packing 46 sandwiched between the switch base 7 and the circuit board 47, the first fixed and The movable contacts 27 and 28 and the second movable and fixed contacts 41 and 42 are disposed in the seal region of the packing 46, and the waterproofness of each contact can be achieved.

  The present invention is not limited to the above embodiments, and various design changes can be made without departing from the scope of the invention. For example, the collective switch 2 can be used for purposes other than for automobiles. The number of the first and second switches 5... 6 constituting the first and second switch rows 3 and 4 is not limited to the number of the above-described embodiments, and can be freely selected.

The top view which shows the mounting state to the steering wheel of a motor vehicle of the collective switch of this invention. The perspective view of the same set switch. FIG. 3 is a view taken in the direction of arrow 3 in FIG. 2. FIG. 4 is a view taken in the direction of arrow 4 in FIG. 2. FIG. 5 is a sectional view taken along line 5-5 of FIG. FIG. 6 is a sectional view taken along line 6-6 in FIG. The principal part disassembled perspective view of the 1st switch in the said collective switch. The principal part disassembled perspective view of the 2nd switch in the said collective switch. The top view of the packing in alignment with 9-9 arrow of FIG. The top view of the circuit board which follows the 10-10 arrow of FIG.

2... Collective switch 3... First switch row 4... Second switch row 5... First switch 6.
10 ... 1st axis
11 ... Second pivot 15 ... First switch knob (first switch knob)
16 ... Second switch knob (second switch knob)
17 ... 1st operation surface part 18 ... Actuating arm 27 ... 1st movable contact 28 ... 2nd fixed contact 32 ... 2nd operation surface part 38 ... Pressing part 41 ... 2nd Movable contact 42 ... second fixed contact 46 ... packing 47 ... circuit board 49 ... first contact holding part 50 ... second contact holding part 65 ... first contact means 66 ...・ Second contact means

Claims (2)

The switch base (7) includes a first switch row (3) including a plurality of first switches (5) and a plurality of second switches (6) arranged in the row direction of the first switch row (3). A second switch row (4) and a collective switch ,
The switch knobs (15) of the plurality of first switches (5) and the switch knobs (16) of the plurality of second switches (6) are arranged so as to be in contact with each other in a direction perpendicular to the row direction. The switch knob (15) of the first switch (5) is connected to the switch base (7) via the first pivot (10), and the switch knob (16) of the second switch (6) is moved to the second pivot. (11) In what is rotatably supported via
The switch knob (15) of the first switch (5) has an operation surface portion (17) at one end opposite to the second switch row (4) and an operation at the other end on the second switch row (4) side. Each arm (18) is provided, and the width of the operating arm (18) along the row direction is set to be narrower than that of the operation surface portion (17), so that the second is provided between the adjacent operating arms (18). Insert the switch knob (16) of the switch (6),
The switch base (7) includes a plurality of first contact means (65) operated by the distal end portion of the operating arm (18) and a first contact means (65) closer to the operation surface portion (17) than the distal end portion of the operating arm (18). A plurality of second contact means (66) operated by the pressing portion (38) of the switch knob (16) of the two switches (6);
The first contact means (65) and the second contact means (66) are located between the first and second pivots (10, 11), and the first contact means (65) is the second pivot (11). The first contact means (65) and the second contact means (66) are alternately arranged in the row direction so that the second contact means (66) is closer to the first pivot (10). set switch, characterized in that it is arranged so. The collective switch according to claim 1 ,
The circuit board (47) is joined to the switch base (7) with the packing (46) interposed therebetween, and the first and second contact holding portions (49, 50) formed on the packing (46) are attached. and second movable contact and the (27,41), the first and second first and second stationary contacts corresponding to the movable contact (27,41) Ru is attached to the circuit board (47) (28, 42) And the first and second contact means (65, 66) constitute a collective switch.

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