JP2007157466A - Operation device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an operation device aiming at reduction of the cost and man-hour of assembly by reducing the number of parts and meshing positions of a gear, capable of improving operation accuracy, capable of aiming at improvement of size-reduction of the device and freedom of design. <P>SOLUTION: An outside knob part 21 at one end of an outside dial 2 is arranged at this side of a base 12, and an output gear 4 at the other end is supported by the base 12 in free rotation by arranging it at back side of the base 12. A switch 7 is arranged at a position more back side of the output gear 4. An inside knob part 31 at one end part of an inside dial 3 is arranged at inside of the outside knob part 21, and the other end part is jointed to the switch 7 so as to enabling the input to the inside knob part 3 to transmit through inside of the outside dial 2. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to an operating device suitable for operating a vehicle air conditioner and the like, and more particularly, to an operating device in which an outer operating means and an inner operating means are arranged in a double manner as operating means for performing the operation.

  2. Description of the Related Art Conventionally, as an operation device for a vehicle air conditioner, a device in which an on / off type switch is provided inside a dial (turning) type operation knob is known as a device that can effectively use a limited space ( For example, see Patent Document 1).

  This conventional operation device is provided with a ring-shaped operation knob, a switch operation unit disposed inside the operation knob, and a switch operation unit and a rear of the operation knob to transmit the operation of the switch operation unit. A switch that is switched in this manner, a board that is electrically connected to the switch, an internal gear that can accommodate the board inside, and an interlocking gear that rotates integrally with the operation knob, and is disposed behind the board. Thus, the structure includes a planetary gear mechanism that transmits the rotation of the interlocking gear to an output gear that is disposed coaxially with the operation knob, and a gear mechanism that transmits the rotation of the output gear to the operating member.

  Therefore, when the ring-shaped operation knob is rotated, this rotation is transmitted to the interlocking gear, and further, the rotation of the interlocking gear is transmitted to the output gear via the planetary gear mechanism, and further from the output gear to the gear. It was transmitted to the operating member through the mechanism, and the opening degree of the door provided in the vehicle air conditioner could be changed by the rotation of the operating member. In addition, when a switch operation unit arranged inside the operation knob is pressed, the switch accommodated behind the switch is turned on and off, and for example, the driving / stopping of the capacitor of the vehicle air conditioner can be switched. did it.

By arranging the switch operation part inside the dial type operation knob in this way, the area occupied by the operation part can be reduced, which is advantageous in the vehicle.
Japanese Patent Laid-Open No. 2004-210019

  However, in the above-described prior art, the rotation of the operation knob is transmitted to the output gear via a planetary gear mechanism or the like, bypassing a switch or board disposed behind the operation knob, and the operating member is transmitted by this output gear. Because it has a structure to operate, there are many gears that transmit operating force, which causes an increase in cost and labor, and there are many gear meshing points, causing gear backlash at each meshing part, resulting in operational accuracy There is a problem of deteriorating, and by bypassing the switch and the board, there is a problem that a space is required in the radial direction and the axial direction, the space efficiency is low, the size is increased, and the degree of freedom in design is reduced.

  The present invention solves the above-mentioned conventional problems, makes it possible to reduce the number of parts and the meshing positions of gears, to reduce costs and assembling work, and to improve the operation accuracy, and An object of the present invention is to provide an operating device capable of improving the space efficiency and reducing the size of the device and improving the design freedom.

  In order to achieve the above-described object, the present invention provides a cylindrical outer operation means that is rotatably supported by a support, and an inner operation that is provided inside the outer operation means so as to be relatively displaceable by the outer operation means. And the outer operation means is provided with an outer operation input section provided at one end and disposed at the other end of the support body. An output unit that outputs the input operation force to the outside is disposed behind the support, and is disposed behind the output unit and the switch is supported by the support. An inner operation input section provided at one end is arranged inside the outer operation input section, while the other end can transmit an input to the inner operation input section through the inner side of the outer operation means. The operating device is connected to the switch.

  In addition, the near side means the side which operates an operating device, and back means the direction away from the side operated on the contrary.

  In the operating device of the present invention, when the outer operating means is rotated, the operating force is transmitted from the output unit disposed behind the support to an operation target such as an external vehicle air conditioner. Is done. On the other hand, when the inner operating means is operated, the operating force is transmitted to the switch disposed behind the output section through the inner side of the outer operating means, and the switch is switched.

  As described above, in the operating device of the present invention, the switch is disposed behind the output unit that outputs the rotation of the outer operation means, and therefore the configuration for transmitting the rotation of the outer operation means needs to bypass the switch and the like. Disappears.

  For this reason, it is possible to reduce the number of parts and the gear meshing position of the structure that transmits the rotation of the outer operation means, and it is possible to reduce costs and assembling work, and to suppress the occurrence of gear backlash. In addition, the operation accuracy can be improved, and in addition, the axial dimension and the radial dimension of the portion that transmits the rotation of the outer operation means are shortened to improve the space efficiency, and the apparatus is downsized and designed. The degree of freedom can be improved.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
The operating device of this embodiment includes a cylindrical outer operating means (2) rotatably supported by a support (12), and an outer operating means (2) inside the outer operating means (2). An inner operating means (3) provided so as to be relatively displaceable and an inner and outer double operating device, wherein the outer operating means (2) is an outer operation input section (21) provided at one end. Is disposed on the front side of the support (12), while an output unit (4) provided at the other end for outputting the input operation force to the outside is disposed behind the support (12). The switch (7) is supported by the support body (12) and is arranged behind the output section (4), and the inner operation means (3) is provided with an inner operation input section (31) provided at one end. ) Is arranged inside the outer operation input section (21), while the other end is arranged on the inner operation An input force unit (31) is an operation device which is characterized in that it is connected to the switch can be transmitted (7) through the inside of said outer operating means (2).

  Below, based on FIGS. 1-4, the operating device A of Example 1 of the best embodiment of this invention is demonstrated.

  First, from the configuration, FIG. 2 shows an operation unit SU including the operation device A of the first embodiment. This operation unit SU is shown in order to operate a vehicle air conditioner not shown. It is installed on the instrument panel of the passenger compartment that is omitted from the passenger compartment, facing the passenger in the passenger compartment.

  The operation unit SU is formed in a substantially rectangular shape by a resin-made finisher 11 that faces a vehicle compartment (not shown) and a base 12 as a support member that is arranged in an instrument panel (not shown). A box 1 is provided.

  Then, an outer dial (outer operating means) 2 and an inner dial (inner operating means) 3 that are arranged in an inner / outer double configuration that constitutes the operating device A of the first embodiment, protruding from the finisher 11, and other operations A dial 14 and switches 15, 16, 17, 18 are provided.

  In the description of the first embodiment, the direction indicated by the arrow F and closer to the occupant when installed on the instrument panel (not shown) is the front direction (rear in the vehicle direction), and vice versa. The direction indicated by the arrow R and away from the occupant at the time of installation is referred to as the rear (the front in the vehicle direction).

  Further, in the first embodiment, as an example, the outer dial 2 performs temperature adjustment of the vehicle air conditioner, and the inner dial 3 illustrates the air volume adjustment of the vehicle air conditioner. Further, the operation dial 14 and the switches 15, 16, 17, and 18 do not constitute the gist of the present invention, so that the description thereof is omitted and the illustration in other drawings is omitted.

  The outer dial 2 is formed of resin as a material, and includes an outer knob portion 21 as an outer operation input portion and a cylindrical portion 22. As shown in the perspective views of FIGS. 3 and 4, the cylindrical portion 22 is formed in a cylindrical shape, and is formed in a two-stage structure including a large-diameter portion 22 a on the near side and a small-diameter portion 22 b on the rear side.

  As shown in FIG. 2, the outer knob portion 21 is disposed so as to protrude toward the front side from the front surface 11 a of the finisher 11, and has a non-slip jagged shape on the outer periphery.

  Furthermore, the light guide 23 and the cover 24 are inserted into the large diameter portion 22a in this order from the opening on the front side. The light guide 23 is formed in a ring shape with a resin having translucency, and as shown in FIG. 1, the rear end face is cut obliquely, and the surface is dimmable. It has a jagged shape for the purpose.

  Further, the cover 24 is integrally formed of a resin having translucency, and an outer cylinder portion having an outer diameter that is close to the inner periphery of the outer knob portion 21 and the large diameter portion 22a so as to be relatively rotatable. 24a, an inner cylinder part 24b having an outer diameter that is close to the small-diameter part 22b so as to be relatively rotatable, and an end surface part 24c that makes both the cylinder parts 24a and 24b continuous at the end part on the front side. Yes. And the front-end | tip of the inner cylinder part 24b is extended until it overlaps with the front-end | tip of the outer cylinder 74 of the switch 7 mentioned later to radial direction, and is supported by the base 12 by being supported by this outer cylinder 74. Further, scales or pictograms (not shown) indicating the air volume such as 1, 2, 3, and the like for display corresponding to the operation position of the inner dial 3 are displayed on the end face portion 24c. Although not shown in the drawings, an outer periphery of the outer cylinder 74 of the switch 7 is provided with a rotation prevention rib and a claw. On the other hand, the inner cylinder portion 24b has a hole (not shown) for fitting the claw and a rotation. A slit (not shown) for receiving the prevention rib is formed, and the rotation prevention rib, the claw, the hole, and the slit form the positioning and the rotation prevention of the inner cylinder portion 24b.

  The outer dial 2 is rotatably supported by the box 1. That is, the outer dial 2 is inserted into the box 1 from a circular through hole 11b opened in the finisher 11, the large diameter portion 22a is rotatably supported by the through hole 11b, and the small diameter portion 22b. However, it is rotatably supported by a bearing portion 12a formed on the base 12 coaxially with the through hole 11b.

  The base 12 is integrally formed of resin, and a concave portion 12c is formed in the rear end surface 12b. The concave portion 12c is recessed in the front direction. A bearing portion 12a extending in the axial direction is formed at the approximate center of the concave portion 12c. As described above, the small-diameter portion 22b of the outer dial 2 is rotatably supported by the bearing portion 12a.

  Further, an output gear 4 as an output portion is attached to the outer periphery of the distal end portion of the small diameter portion 22 b of the outer dial 2 so as to be rotatable integrally with the outer dial 2. The output gear 4 is disposed in the recess 12c of the base 12, and the internal teeth 51 of the operating lever 5 are engaged with external teeth 41 formed on the outer periphery thereof.

  As shown in FIGS. 3 and 4, the operating lever 5 is formed in a substantially fan shape, and one end side, which is the main side of the fan, is supported so as to be swingable with respect to the base 12 around the swing shaft a. The inner teeth 51 that mesh with the outer teeth 41 are formed on the back side of the flange portion 52 formed on the other end side (see FIG. 1). The operating lever 5 is connected to a door of a vehicle air conditioner (not shown) such as an air mix door for temperature adjustment.

  As shown in FIG. 1, a check mechanism 6 is provided between the output gear 4 and the base 12 so as to give a sense of moderation when the outer dial 2 is operated. The check mechanism 6 includes a spring 62 housed in a housing hole 61 that is recessed forward from the recess 12 c of the base 12, a ball 63 that is pressed against the end face of the output gear 4 by the spring 62, and the output gear 4. And a plurality of grooves (not shown) formed on the end face of the.

  Accordingly, when the output gear 4 is rotated as the outer dial 2 is rotated, when the ball 63 is fitted in the groove of the output gear 4, the ball 63 is disposed between the grooves. A feeling of moderation can be obtained at a predetermined position by increasing the rotation resistance as compared with the case where the rotation is performed.

Next, the inner dial 3 provided inside the outer dial 2 will be described.
The inner dial 3 is integrally formed of an opaque resin, and includes an inner knob portion 31, an inner cylinder portion 32, and a shaft portion 33 as an inner operation input portion.

  As shown in FIG. 2, the inner knob portion 31 is provided so as to protrude from the outer knob portion 21 of the outer dial 2 to the near side, so that it does not get in the way when the outer knob portion 21 is operated. Is also formed with a slightly smaller diameter.

  Further, as shown in FIG. 1, the inner cylinder portion 32 is formed to have a smaller diameter than the inner cylinder portion 24 b of the cover 24 disposed inside the outer dial 2, and is inserted into the cover 24. The tip is attached to the outer periphery of the input shaft 71 of the switch 7. As shown in FIGS. 2 and 3, the inner knob portion 31 is formed with a knob hole portion 31 a through which the end surface portion 24 c of the cover 24 can be seen from the occupant side outside the drawing, and the operation of the inner knob portion 31. In accordance with the position, a scale (not shown) described on the end face 24c is displayed.

  The shaft portion 33 is provided along the shaft center of the inner dial 3 at the inner position of the inner cylinder portion 32, and a claw portion 33a at the tip thereof is a fitting groove formed at the tip of the input shaft 71 of the switch 7 described later. 71a is fitted. Therefore, the rotation of the inner dial 3 is transmitted to the input shaft 71 of the switch 7.

  The switch 7 is a switch whose output changes according to the rotation amount of the input shaft 71, and is used as a switch for switching the air volume of the vehicle air conditioner, for example. As shown in FIGS. 3 and 4, the switch 7 is provided with a mounting flange 73 protruding from a case 72 that surrounds the outer periphery of the switch 7, and the mounting flange 73 is provided with a boss 12 d protruding from the base 12. , 12d are fixed to the base 12 by screws.

  In this fixed state, the switch 7 is arranged behind the output gear 4 and the operating lever 5 and at a position where the input shaft 71 is coaxial with the inner dial 3.

  An outer cylinder 74 is formed integrally with the case 72 on the outer periphery of the input shaft 71. Further, as shown in FIG. 4, the operating lever 5 has a long hole 53 for preventing interference with the input shaft 71 and the outer cylinder 74 when the operating lever 5 swings. It is formed in the circular arc shape centering on (refer FIG. 3).

  Returning to FIG. 1, a substrate 8 is fixed inside the box 1. The substrate 8 is formed with a through hole 81 through the outer dial 2 and the inner dial 3 at the center, and further, a large end of the outer dial 2 is formed around the through hole 81 on the front end surface of the substrate 8. A plurality of light sources 82 such as LEDs for illumination are provided facing the end face of the diameter portion 22a.

  In addition, on the front surface 11 a of the finisher 11, a display unit 11 c on which a scale or a pictograph indicating temperature corresponding to the operation position of the outer knob portion 21 is written at the outer peripheral position of the outer knob portion 21 of the outer dial 2. Is provided. The display portion 11c is formed of a material having translucency.

  Further, a lens 9 is fixed to the back surface of the display portion 11c. This lens 9 is formed of a resin having translucency, and performs light control for suppressing illumination unevenness of the display unit 11c.

  Next, the operation of the controller device A according to the first embodiment will be described.

  When the outer knob portion 21 of the outer dial 2 is rotated, the output gear 4 attached to the tip of the small diameter portion 22b rotates integrally with the outer dial 2, and in conjunction with this, the output gear The operating lever 5 that meshes with the operating shaft 5 swings about the swinging shaft a, and the opening degree of the air mix door of the vehicle air conditioner (not shown) connected to the operating lever 5 is changed.

  On the other hand, when the inner knob portion 31 of the inner dial 3 is rotated, this rotation is transmitted to the input shaft 71 of the switch 7 and the output of the switch 7 is changed, whereby the vehicle air conditioner not shown in the figure. The air volume of is changed.

  In this way, it is possible to operate the vehicle air conditioner (not shown) by rotating each of the outer dial 2 and the inner dial 3 provided in the inner and outer doubles.

  Next, when the light source 82 is turned on, the illumination light is dimmed by the lens 9 and then guided to the display unit 11c of the finisher 11, and the display unit 11c is turned on. The illumination light that has entered the inside of the large diameter portion 22 a from the rear end surface of the large diameter portion 22 a of the outer dial 2 is diffused and dimmed by the light guide 23 and reaches the end surface portion 24 c of the cover 24. . Therefore, at the position corresponding to the knob hole 31a of the inner knob portion 31 of the inner dial 3, the scale or pictograph of the end surface portion 24c of the cover 24 is lit and displayed.

  As described above, in the operating device A of the first embodiment, the switch 7 is disposed at a position behind the output gear 4 that transmits the rotation of the outer dial 2 to the operating lever 5, and the inner dial 3 is rotated. However, the configuration in which the outer dial 2 and the output gear 4 are transmitted to the switch 7 and the configuration in which the rotation of the outer dial 2 is transmitted does not bypass the switch 7.

  For this reason, it is possible to transmit the rotation directly from the output gear 4 which is the output part of the outer dial 2 to the operating lever 5, and it is possible to have only one gear meshing portion in the rotation transmission to the operating lever 5. It becomes. As a result, it is possible to reduce the number of members that transmit rotation while bypassing the switch as in the conventional planetary gear mechanism, and it is possible to reduce the cost and assembling time, and the meshing position of the gear The operation accuracy can be improved by reducing errors generated in the rotation transmission part such as gear backlash.

  Furthermore, this rotational transmission structure can be formed compactly in both the radial direction and the axial direction, thereby improving the space efficiency and reducing the size of the operating device A and the operating unit SU and the degree of design freedom. Can improve

  As mentioned above, although embodiment and Example 1 of this invention were explained in full detail with reference to drawings, specific structure is not restricted to this Embodiment and Example 1, and does not deviate from the summary of this invention. A degree of design change is included in the present invention.

  That is, in the first embodiment, the output gear 4 is shown as the output portion of the outer dial as the outer operation means, and the operation lever 5 is shown as a member input from the output portion. It is not limited to such a gear meshing structure. For example, a structure that transmits rotation such as a pulley and a belt, a gear and a chain, or the like can be used as the output unit and the member that operates by the output unit.

  Moreover, although the rotary type is shown as the inner dial 3 as the inner operation means and the switch 7 switched thereby, for example, the inner operation means is not limited to this, and for example, the inner operation means is pressed against the outer operation means. An inner operating means that moves in the axial direction and a switch that is turned on and off by this axial displacement may be used.

It is sectional drawing which shows the operating device A of Example 1 of the best form of this invention. It is a perspective view which shows the operation unit SU provided with the operating device A of Example 1 of embodiment of this invention. It is the disassembled perspective view which looked at the operating device A of Example 1 of embodiment of this invention from the horizontal direction. It is the disassembled perspective view which looked at the operating device A of Example 1 of embodiment of this invention from back.

Explanation of symbols

2 Outside dial (outside operation means)
3 Inner dial (inner operation means)
4 Output gear (output section)
7 Switch 12 Base (support)
12d Boss part 21 Outer knob part (outside operation input part)
31 Inner knob part (inner operation input part)
82 Light Source A Operating Device of Example 1

Claims (1)

An operation in which a cylindrical outer operation means rotatably supported on a support and an inner operation means provided inside the outer operation means so as to be relatively displaceable on the outer operation means are provided in an inner and outer double. A device,
The outer operation means has an outer operation input section provided at one end disposed on the front side of the support body, while an output section provided at the other end for outputting the input operation force to the outside. Arranged behind the support,
The switch is arranged behind the output unit and supported by the support,
The inner operation means has an inner operation input section provided at one end disposed inside the outer operation input section, while the other end inputs an input to the inner operation input section. The operation device is connected to the switch so as to be able to transmit through the inside of the switch.

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