JP2013180737A - Operating device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an operating device that can prevent generation of noise between an ornamental body and an instruction piece without need of coating grease, when performing rotation operation of a knob, and can suppress an increase in cost.SOLUTION: In an operating device that includes a knob 12 in which an ornamental body 11 is attached and an instruction piece 13 is installed, transmits operating rotation (motion) of this knob 12 to an operated member and performs a prescribed operation, positioning of the instruction piece 13 is performed by forming an instruction piece engaging part 48 to the knob 12, forming an engaged part 51 that corresponds to the instruction piece locking part 48 to the instruction piece 13, and engaging the engaged part 51 to the instruction piece engaging part 48.

Description

  The present invention relates to an operating device having an improved positioning structure for an indication piece.

2. Description of the Related Art Conventionally, for example, as an operation device used for an air conditioning operation of a vehicle, an operation device that transmits a knob operation operation to an operated member to perform a predetermined operation is provided. In this case, a decorative body is mounted on the front edge of the knob, and an indicator piece is attached from the inside to the front edge.
The instruction piece is for instructing the operation position of the knob with respect to the display of the operation target, and the front end portion is exposed from a recessed portion formed in one place of the decorative body so as to be visually recognized by the operator. (For example, refer to Patent Document 1).

  10 and 11 show a conventional structure for positioning the indicating piece, wherein 1 is a knob, 2 is a decorative body, and 3 is an indicating piece. The knob 1 is a dial that is provided with a large number of concave-convex moldings 4 on the outer peripheral portion and rotates the concave-convex moldings 4 by hand. The decorative body 2 is a ring suitable for a knob, and a metal plating 2b is applied to the surface of a base 2a made of plastic such as ABS resin. The indication piece 3 is made of translucent plastic and is illuminated with light from a light source (not shown).

  Thus, the decorative body 2 is formed with a recessed portion 5 at one location on the front (left side in the figure), and the front end 3a of the indicating piece 3 is fitted into the recessed portion 5 so that the front end The upper and lower side surfaces A. The pointing piece 3 is positioned by aligning B and the rear surface (right side surface in the figure) C with each mating surface of the recessed portion 5.

JP 2005-96579 A JP-A-2005-96580

  In the case of the above conventional one, when the operator rotates the knob 1, the decorative body 2 is inevitably touched and a rotational force is applied to the decorative body 2, so that the assembly accuracy of the knob 1 and the decorative body 2 is slight. The decorative body 2 moves in the direction of rotation (operation) and slides against the contact surfaces A, B, and C of the indicating piece 3 to generate abnormal noise such as “cut”, thereby deteriorating the quality of the product. For this reason, grease is applied to each of the contact surfaces A, B, and C to prevent the generation of abnormal noise. However, the number of man-hours for the application of the grease and the application increases, and the cost increases. I was invited.

  The present invention has been made in view of the above circumstances, and therefore the object thereof is to prevent the generation of abnormal noise between the decorative body and the indicating piece when the knob is rotated without requiring the application of grease. It is possible to provide an operating device that can suppress an increase in cost.

  In order to achieve the above object, an operating device of the present invention includes a knob to which a decorative body is attached and an instruction piece is attached, and an operation for transmitting the operating operation of the knob to an operated member to perform a predetermined operation. In the apparatus, an indication piece locking portion is formed on the knob, a locked portion corresponding to the indication piece locking portion is formed on the indicating piece, and the locked portion is formed on the indicating piece locking portion. The pointing piece is positioned by being locked.

  According to the above means, the indication piece is not positioned on the decorative body, but is positioned by being locked to the knob. Therefore, a gap can be secured between the indicating piece and the indicating piece fitting portion of the decorative body, and sliding contact between the decorative body and the indicating piece during the rotation operation of the knob is eliminated. Therefore, it is not necessary to apply grease between the indicating piece and the indicating piece fitting portion of the decorative body, and the grease and its application man-hour can be saved.

Sectional drawing in alignment with the II line | wire of FIG. 3 of the principal part which shows one Example of this invention Exploded perspective view of main parts Rear view of main parts Rear perspective view of main parts Sectional view along the line V-V in FIG. Rear perspective view of the indicator piece alone Partially enlarged side view of the main part Sectional drawing which follows the VIII-VIII line of FIG. Whole exploded perspective view FIG. 7 equivalent diagram showing a conventional example A view taken along line XI-XI in FIG.

Hereinafter, an example (one embodiment) of the present invention will be described with reference to FIGS.
First, FIG. 9 shows an exploded view of the entire operating device for air conditioning operation for vehicles, particularly for automobiles, especially for switching the wind blowing mode for the interior of the vehicle, from the front (left side in the figure). In order, decorative body 11, knob 12, indicator piece 13, display panel 14, panel support 15, push button 16, light guide piece 17, body 18, intermediate gear 19, circuit board 20, insulator 21, final gear 22, and housing 23 shows a pulley unit 24.

  Among them, the decorative body 11 has a ring shape. Specifically, as shown in FIG. 8, the surface of a plastic substrate 11a such as ABS resin is subjected to metal plating 11b. As shown in the figure, a recessed portion 25 is provided at one location on the front side, and mounting holes 26 are provided at several locations on the peripheral wall portion 11c having a smaller step diameter on the rear side.

  In this case, the knob 12 is a dial having a short cylindrical shape, and a large number of concave-convex moldings 27 are provided on the outer peripheral portion to improve the operator's fingers. The knob 12 has convex portions 28 at several locations on the inner peripheral portion, and the mounting hole 26 of the decorative body 11 is inserted into the convex portion 28 while the peripheral wall portion 11c of the decorative body 11 is inserted into the inner peripheral portion. , The decorative body 11 is attached to the front edge portion. A gear tooth 29 corresponding to the first gear is provided on the inner peripheral portion of the rear portion of the knob 12.

  The indication piece 13 is made of a plastic such as a translucent acrylic resin having translucency, and has a thin and tapered shape as a whole. The indication piece 13 is attached to the knob 12 and has a front end. The portion 13a is exposed from the recessed portion 25 of the decorative body 11. The attachment structure of the indicating piece 13 to the knob 12 will be described in detail later.

The display panel 14 is composed of a circular sheet having a hole 30 in the center, and on the front surface thereof is a display for air conditioning operation of the automobile, in particular, in this case, a display 31 representing an air blowing mode for the passenger compartment. Are arranged in a ring shape. Note that the display 31 has translucency.
The panel support 15 has a ring portion 15a having the same diameter as the hole 30 of the display panel 14, and the display panel 14 is attached to the front surface of the ring portion 15a.

The push button 16 mainly has a cylindrical shape having a diameter smaller than that of the hole 30 of the display panel 14 and the ring portion 15a of the panel support 15. The push button 16 is blown to the closed front portion, in this case, into the vehicle interior. It has a display 32 and a translucent window 33 representing the switching between the inside and outside air for the wind to be emitted, and is inserted through the ring portion 15a of the panel support 15 and exposed forward from the hole 30 of the display panel 14. ing. Note that the display 32 is translucent.
The light guide piece 17 is an elongated one inserted into a portion of the push button 16 connected to the light transmission window 33, and is made of a light transmission material such as a transparent acrylic resin.

  The body 18 has first to third cylindrical portions 18b to 18d having different diameters in front of the polygonal box-shaped portion 18a, concentrically with the third cylindrical portion 18d having the smallest diameter and the middle. The push button 16 is inserted with the light guide piece 17 between the second cylindrical portion 18c having a diameter, and the panel support 15 is accompanied with the display panel 14 at the front edge of the second cylindrical portion 18c. The knob 12 is rotatably fitted with the indicating piece 13 and the decorative body 11 on the outer periphery of the first cylindrical portion 18b having the largest diameter. As a result, the display panel 14 is exposed forward from the interior of the decorative body 11.

The intermediate gear 19 has gear teeth 19a at the front and gear teeth 19b at the rear. The front gear teeth 19a are formed below the polygonal box-shaped portion 18a of the body 18. It is inserted through a hole (not shown) and meshed with the gear teeth 29 of the knob 12.
The circuit board 20 is mounted with the LED 34 and is attached to the insulator 21.

  The insulator 21 is mounted with a switch 35 and an LED 36, and a notch 37 is formed in the lower part, and the gear 21 19 b at the rear of the intermediate gear 19 is inserted into the notch 37 so that the insulator 21 is Coupled to the body 18. Further, a connector 38 is integrally formed at one place on the outer peripheral portion of the insulator 21, and a mating connector (not shown) is connected to the connector 38, and conductive to the switch 35, the LED 36, and the LED 34 of the circuit board 20. It is supposed to be. In addition to the LED 34, a resistance for controlling the LED 34 and the LED 36 of the insulator 21 and the same diode (both not shown) are mounted on the circuit board 20.

The final gear 22 has a bottomed short cylindrical shape, and has gear teeth 39 formed on the inner peripheral portion thereof. The gear teeth 39 are engaged with the gear teeth 19 b at the rear of the intermediate gear 19. A non-circular pulley shaft insertion hole 40 is formed at the center of the final gear 22.
The housing 23 accommodates the final stage gear 22 and forms a polygonal box shape that sandwiches the insulator 21 and is coupled to the polygonal box-shaped portion 18a of the body 18, and has a circular pulley at the center thereof. A shaft insertion hole 41 is formed.

  The pulley unit 24 incorporates a pulley (not shown), which is a body to be rotated, in a pulley case 42, and a non-circular shaft 43 of the pulley is led out from the center of the pulley case 42. The shaft 43 passes through the pulley shaft insertion hole 41 of the housing 23 and is inserted into the pulley shaft insertion hole 40 of the final gear 22. Further, the pulley unit 24 leads the cable 44 hung on the pulley to the outside from one place on the peripheral side portion of the pulley case 42. The cable 44 is covered with an outer tube 45, and the tip is attached to a damper (not shown) for switching the direction of blowing air to the vehicle interior of the vehicle.

  With the above configuration, when the operator rotates the knob 12 by hand, the rotation (operation operation) is transmitted from the gear teeth 29 to the gear teeth 19a at the front of the intermediate gear 19, and further, The rotation is transmitted from the rear gear teeth 19b to the gear teeth 39 of the final gear 22, and the final gear 22 rotates, whereby the pulley shaft insertion hole 40 of the final gear 22 and the pulley shaft 43 of the pulley unit 24 are rotated. The pulley shaft 43 is rotated through the non-circular engagement structure. As a result, a pulley (not shown) in the pulley case 42 is rotated (operated) as an operated member, pushes and pulls the cable 44, and operates a damper (not shown) for switching the air blowing direction to the vehicle interior of the vehicle. , Switch the air blowing direction.

  The display 31 on the display panel 14 displays the air blowing direction switched as described above, that is, displays the above-described blowing mode. The indicator piece 13 indicates the position (according to the rotation angle of the knob 12), that is, the setting mode position, as the knob 12 rotates. At this time, the LED 34 illuminates the entire display 31 and the display 32 of the push button 16 from the back side.

  When the operator presses the push button 16 with a fingertip, the switch 35 is pressed and actuated, and the output is transmitted from the connector 38 of the insulator 21 to a control device (not shown) via a lead wire (not shown). Thus, the internal and external air is switched through the operation of a switching drive device such as a motor or an electromagnet (not shown). At the same time, the LED 36 emits light, and the light passes through the light guide piece 17 and appears in the light transmitting window 33 of the push button 16 to display the switching operation of the inside and outside air.

Here, the attachment structure of the indication piece 13 to the knob 12 will be described in detail.
As shown in FIGS. 1 and 2, a recessed portion 46 that is located on the rear side of the recessed portion 25 and is larger than the recessed portion 25 is formed on the rear portion of the peripheral wall portion 11 c of the decorative body 11. ing.

  On the other hand, a concave portion 47 that substantially matches the shape of the indication piece 13 is formed at one place on the inner peripheral portion of the knob 12, and the indication piece locking portion is provided on both radial sides on the front side of the concave portion 47. 48 is formed. The instruction piece locking portion 48 has a convex shape that protrudes inward of the concave portion 47 from both radial sides on the front side of the concave portion 47. In addition, the knob 12 is formed with a recessed portion 49 corresponding to the recessed portion 25 of the decorative body 11 at the foremost portion of the recessed portion 47. In addition, as shown in FIGS. 3 to 5, a hole 50 is formed which deepens from the rear to the front.

  Then, locked portions 51 are formed on both front sides of the instruction piece 13. The locked portion 51 corresponds to the pointing piece locking portion 48 of the knob 12, and as shown in FIG. 6, has a convex shape protruding outward from both sides of the pointing piece 13 front side. Yes. In addition, the indication piece 13 is formed with protrusions 52 on both sides on the rear side. The protrusions 52 correspond to the holes 50 of the knob 12, have a cylindrical shape, and protrude outward from both sides of the rear surface on the rear side of the indication piece 13.

  With the above configuration, with the decorative body 11 mounted on the knob 12 as described above, the indicating piece 13 stands in the radial direction of the knob 12, and the protrusion 52 is inserted into the hole 50 of the knob 12 in this posture. Thereafter, the indication piece 13 is turned by turning it toward the recess 47 of the knob 12 around the protrusion 52. Thereby, the indicating piece 13 is accommodated in the recess 47 of the knob 12, and at the same time, the locked portion 51 of the indicating piece 13 reaches the front side of the indicating piece locking portion 48 of the knob 12 and is engaged with the indicating piece locking portion 48. Stopped. Further, the front end portion 13 a of the indication piece 13 is fitted into the recessed portion 25 of the decorative body 11.

  In this way, the indication piece 13 is attached to the knob 12, and in the attached state, the locked portion 51 of the indication piece 13 is engaged with the indication piece of the knob 12 at the rear in the axial direction of the knob 12. The projection 52 of the indicator piece 13 is in contact with and locked to the inner part of the hole 50 of the knob 12 in the front in the coaxial direction, and is locked in the radial direction. Each base portion 52a of the protrusion 52 is brought into contact with and locked to each inner side surface portion 12a of the portion surrounding the hole 50 of the knob 12.

  And between the recessed part 25 of the decoration body 11 and the front-end part 13a of the instruction | indication piece 13, as shown in FIG.7 and FIG.8, upper and lower side surfaces A and B and the rear surface (right side surface in the figure) C In either case, the gap g is secured.

  As described above, in the configuration described above, the indication piece locking portion 48 is formed on the knob 12, the locked portion 51 corresponding to the indication piece locking portion 48 is formed on the indication piece 13, and the indication piece locking portion The indication piece 13 is positioned by locking the locked portion 51 to 48.

  According to this, the indication piece 13 is not positioned on the decorative body 11 but is positioned by being locked to the knob 12. Therefore, the above-mentioned gap g can be ensured between the indicating piece 13 and the recessed portion 25 that is the indicating piece fitting portion of the decorative body 11, and the decorative body 11 and the indicating piece 13 can be connected to each other when the knob 12 is rotated. There is no sliding contact. Therefore, it is not necessary to apply grease between the instruction piece 13 and the recessed portion 25 of the decorative body 11, and the grease and its application man-hour can be omitted, and an increase in cost can be suppressed.

  In addition, with respect to the indication piece locking portion 48 of the knob 12 and the locked portion 51 of the indication piece 13, the inner part of the hole 50 of the knob 12 and the projection 52 of the indication piece 13 connect the indication piece 13 to the knob 12. It functions as a second locking portion and a second locked portion that are locked forward in the axial direction, and each of the inner side surface portions 12a of the portion surrounding the hole 50 of the knob 12 and the projection 52 of the indicating piece 13 Each base portion 52a functions as a third locking portion and a third locked portion for locking the indication piece 13 in the radial direction of the knob 12, and in this relationship, the indication piece engagement of the knob 12 is established. The stop portion 48 and the locked portion 51 of the indicating piece 13 function as a first locking portion and a first locked portion that lock the indicating piece 13 rearward in the axial direction of the knob 12. It has become.

  Although one embodiment of the present invention has been described above, the present invention is not limited thereto, and the operation device as a whole is of a slide type, a push type, a pull type, etc. in addition to the dial type described above. May be. The operation object by the knob 12 is not limited to an air conditioning operation for a vehicle such as an automobile, and particularly an operation for switching a wind blowing mode for the inside of the vehicle, and may be an object for adjusting an air volume or a temperature. It may be used for other operations. In accordance with this, the switch 35 operated by the push button 16 is not limited to switching between the inside and outside air for the wind blown into the vehicle interior, and is used for turning on / off the air conditioner and turning on / off the rear window defogger. It may be provided, or may be used for other on / off. In addition, the switch 35 and the structure related to the operation thereof may not be provided.

  In addition, the present invention is not limited to the embodiments described above and shown in the drawings, and can be implemented with appropriate modifications within a range not departing from the gist.

  In the drawing, 11 is a decorative body, 12 is a knob, 13 is an indicating piece, 24 is a pulley unit (operated member), 48 is an indicating piece locking portion, and 51 is a locked portion.

Claims (1)

In an operating device that includes a knob to which a decorative body is attached and an instruction piece is attached, and that transmits an operation operation of the knob to an operated member to perform a predetermined operation.
Forming an instruction piece locking portion on the knob;
Forming a locked portion corresponding to the indicating piece locking portion on the pointing piece;
An operating device characterized in that the indicating piece is positioned by locking the locked portion to the indicating piece locking portion.

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