JP2010080101A - Dial type operation device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a dial type operation device for mainly allowing light operation of a dial while avoiding the wobbling of the dial when operated. <P>SOLUTION: The turn of the dial 15 is transmitted from an engaging part 25 of the dial 15 via an engaged part 39 of a pulley 33 to the pulley 33. With the force of pushing/pulling the dial 15, which may be applied to the dial 15 to be operated, a second annular part 21 of the dial 15 abuts on a face 26a of the outer periphery of an opening part 26 of a body 1 at the side of a display body 13, a protruded part 22 of the dial 15 abuts on a face 26b of the inner periphery of the opening part 26 of the body 1 at the side of a counter display body 13, and a hook part 27 of the body 1 also abuts on a face 21a of the second annular part 21 at the side of the display body 13. Thus, the high-quality dial type operation device allows the non-wobbling operation of the dial 15. <P>COPYRIGHT: (C)2010,JPO&amp;INPIT

Description

  The present invention relates to a dial type operation device having an improved structure for transmitting rotation of a dial.

2. Description of the Related Art Conventionally, as a dial type operation device, for example, there is one used for vehicle air conditioning operation. In this device, a dial is provided on the outer periphery of the display body having a display for air conditioning operation, and a predetermined transmission member is provided via a gear mechanism provided by meshing the rotation of the dial directly or indirectly with the dial. Thus, the required air conditioning operation is performed (see, for example, Patent Document 1).
JP 2005-190733 A

  In the case of the above-mentioned conventional one, the transmission force is lost due to the meshing friction of the gear in the gear mechanism, and accordingly, the dial operation is felt heavy.

  The present invention has been made in view of the above-described circumstances, and therefore the object of the present invention is mainly to reduce the operation of the dial, and furthermore, the operation of the dial itself can be performed without causing the dial to fluctuate. Therefore, the present invention is to provide a dial type operation device that can obtain high quality.

  In order to achieve the above object, the dial type operating device of the present invention comprises a dial on the outer periphery of the body having a display body on the display body side, and an engagement portion provided on the counter-display body side of the dial. Through the opening provided in an angle range equal to or greater than the rotation angle of the dial, inserted into the opposite side of the body, and engaged with the engaged portion of the transmission member disposed on the opposite side of the body, The rotation of the dial is transmitted to the transmission member via the engaging portion and the engaged portion, and the dial is brought into contact with the surface on the display body side in the outer peripheral portion of the opening of the body. A first abutting portion that contacts the second abutting portion that abuts against a surface on the side opposite to the display body in an inner peripheral portion of the opening of the body, and the body includes the first abutting portion. A third contact portion that contacts the surface on the display body side Only characterized by comprising.

  According to the above means, the rotation of the dial is transmitted from the engaging portion provided on the dial to the transmission member via the engaged portion of the transmission member. The transmission can be done without any loss of power, and the dial operation can be lightened.

  In such a case, the dial to be operated tends to be simultaneously applied with a force to push or pull, and the force to push and pull is provided on the dial on the surface on the display body side at the outer periphery of the body opening. The first abutting portion abuts, the second abutting portion provided on the dial abuts on the surface opposite to the display body in the inner peripheral portion of the opening of the body, and further, the first abutting portion A third contact portion provided on the body comes into contact with the surface on the display body side. As a result, the dial can be operated without wobbling, and a high-quality dial type operation device can be obtained.

Hereinafter, a first embodiment (first embodiment) of the present invention will be described with reference to FIGS.
First, FIG. 1 shows a dial type operation device for an air conditioning operation for a vehicle, particularly an automobile, in an assembled state, and FIG. 2 shows the device in an exploded state. The body 1 shown in these drawings has a cylindrical inner tube portion 2 at the center, and a lamp 3 is inserted and held therein. The inner cylinder portion 2 has a hole 4 formed at one location (lower portion in the drawing) of the peripheral side portion, and the feeder 5 of the lamp 3 is inserted into the hole 4.

  The body 1 also has a trumpet-shaped gradually opening portion 6 formed forward (left side in the figure) from the inner tube portion 2 and a cylindrical front tube portion 7 is formed rearward from the front end portion of the gradually opening portion 6. Further, a step portion 8 is formed outward from the front tube portion 7, a cylindrical rear tube portion 9 is formed from the intermediate portion of the step portion 8 to the rear, and from the outer peripheral portion of the step portion 8 to the rear. A cylindrical outer casing 10 is also formed. Therefore, in this case, the outer casing 10 is larger in diameter than the front cylinder part 7 and the rear cylinder part 9. Further, light transmitting holes 11 and 12 are formed in the base portion of the gradually opening portion 6 and the portion extending from the front tube portion 7 to the step portion 8, respectively.

  A display body 13 is attached to the front end portion of the gradually opening portion 6 so as to close the open surface of the portion, and the display body 13 is in a thin plate shape and is circular as shown in FIG. A plurality of displays 14 are arranged in an annular shape for air conditioning operation of the automobile, particularly in this case, for selecting an air blowing mode for the passenger compartment.

  On the outer periphery of the front tube portion 7 on the display body 13 side of the body 1, a dial 15 is covered so as to be rotatable in both the clockwise direction indicated by an arrow A in FIG. 3 and the counterclockwise direction indicated by an arrow B in FIG. Disguised. The dial 15 has a main body portion 16 having a short cylindrical shape, and a pointer member 17 is attached to one place on the inner peripheral portion of the main body portion 16. The pointer member 17 is made of a transparent or translucent material, is long in the axial direction of the dial 15, and its proximal end faces the light transmitting hole 12 of the body 1.

  On the other hand, the distal end portion of the pointer member 17 is exposed at the front end portion of the dial 15, and with this configuration, the pointer member 17 has an arrangement range of the display 14, for example, 270 ° (FIG. 3) as the dial 15 rotates. The angle range of (see) is circularly moved, and each of the displays 14 is selected and instructed by the tip portion.

A first annular portion 19 having a diameter larger than that of the main portion 16 is formed on the rear end portion of the main portion 16 of the dial 15 via a step portion 18, and further, the first annular portion 19 to the step portion 20 are formed. A second annular portion 21 having a diameter larger than that of the first annular portion 19 is formed via the first annular portion 19. In addition, a plurality of convex portions 22 are formed inward from the step portion 20, and the first annular portion 19 extends from the step portion 18 to the first annular portion 21. It is formed with the formation of a molding hole (die cutting hole) 23 over the annular portion 19.
Further, an engaging portion 25 having an engaging concave portion 24 at the rear end is formed so as to protrude rearward from one of the convex portions 22 (upper portion in the drawing), that is, on the counter-display body 13 side of the dial 15.

  Here, the step portion 8 of the body 1 is formed with an opening 26 on the outer casing 10 side, and the engagement portion 25 of the dial 15 is inserted into the opening 26 so that the engagement recess 24 is formed. The body 1 is positioned in the outer casing 10 on the side opposite to the display body 13. The engagement portion 25 of the dial 15 moves around the above-mentioned angle range of, for example, 270 °, like the pointer member 17 in accordance with the rotation of the dial 15. For example, the dial 15 is provided in an angle range of 270 ° or more.

  Further, the rear end of the second annular portion 21 of the dial 15 is brought into contact with the surface 26 a on the display body 13 side in the outer peripheral portion of the opening 26, and the front surface of the convex portion 22 is set to the opening 26. It is made to contact | abut to the surface 26b by the side of the counter-display body 13 in the inner peripheral part of the opening part 26. FIG. Therefore, the second annular portion 21 of the dial 15 functions as a first abutting portion that abuts the surface 26 a on the display body 13 side in the outer peripheral portion of the opening 26, and the convex portion 22 is in the inner periphery of the opening 26. It functions as a second contact portion that contacts the surface 26b on the counter-display body 13 side.

  Further, a collar portion 27 is provided at the front end portion of the outer casing portion 10 of the body 1 and is in contact with the surface 21a of the second annular portion 21 of the dial 15 on the display body 13 side. The collar portion 27 functions as a third abutting portion that abuts against the surface 21 a on the display body 13 side of the second annular portion 21 (first abutting portion) of the dial 15.

Note that, on the rear end face of the other portion (lower part in the figure) of the first annular portion 19 of the dial 15, the moderation valley portions 28 are formed at the same number and the same angular interval as the display 14 of the display body 13. (Only one is shown in FIG. 1) On the other hand, one hole 29 is formed in the body 1, and the moderation ball 31 is urged toward the moderation valley portion 28 by the spring 30 stored in the hole 1, As the dial 15 rotates, each of the moderation valleys 28 is sequentially engaged with the moderation ball 31, and the dial 15 is positioned at a position where the tip of the pointer member 17 selects and designates each of the indications 14. Moderation is given to the rotation of the.
Further, a hole 32 is formed at one place (also in the lower part in the figure) of the outer casing 10 of the body 1, and the feed line 5 of the lamp 3 is inserted into the hole 32.

  The body 1 has a pulley frame 34 surrounding the pulley 33, a plurality of protrusions 35 formed on the outer periphery of the front end of the pulley frame 34, and a plurality of protrusions 35 formed on the rear end of the outer casing 10 of the body 1. The pulleys 33 are coupled by engagement with the holes 36, whereby the pulley 33 is positioned on the side opposite to the display body 13 of the body 1.

The pulley 33 has an arm portion 38 integrally projecting outward from the shaft portion 37 at the center of the front side, and forward from the tip portion of the arm portion 38, that is, on the engagement portion 25 side of the dial 15. The engaged portion 39 is integrally projected, and the engaging convex portion 40 formed at the front end portion of the engaged portion 39 is engaged with the engaging concave portion 24 of the engaging portion 25.
The pulley 33 has a groove 41 on the entire outer periphery, and a cable 42 is wound around and attached to the pulley.

  When the dial 15 is rotated with the above configuration, the pointer member 17 selects and instructs each display 14 of the display body 13 by the tip as described above. At the same time, rotation is transmitted from the engaging portion 25 of the dial 15 to the pulley 33 via the engaged portion 39 of the pulley 33 in which the engaging convex portion 40 is engaged with the engaging concave portion 24. As a result, the pulley 33 rotates. Therefore, the cable 42 is wound or unwound by the rotation of the pulley 33, and a damper (not shown) connected to the cable 42 is moved to determine an air blowing mode for the vehicle interior of the vehicle. To do. Accordingly, the pulley 33 functions as a transmission member that transmits the operation of the dial 15 to the damper via the cable 42.

  In this state, the light emitted from the lamp 3 passes through the gradually opening portion 6 of the body 1 and reaches the display 14, and sequentially passes through the light transmitting holes 11 and 12 of the body 1 to the pointer member 17. Reach. As a result, the display 14 is illuminated, and the pointer member 17, particularly the tip thereof, is illuminated, thereby clarifying the selection instruction of the display 14 by the tip of the pointer member 17.

  As described above, in this configuration, the rotation of the dial 15 is transmitted from the engaging portion 25 of the dial 15 to the pulley 33 (transmission member) via the engaged portion 39 of the pulley 33. The transmission can be performed without causing a loss of the transmission force as in the conventional case through the mechanism, and the operation of the dial 15 can be lightened.

  In this case, the dial 15 to be operated tends to be simultaneously applied with a force for pushing or pulling the dial 15, and the pushing force (see arrow C in FIG. 1) is applied to the outer peripheral portion of the opening 26 of the body 1. The dial 15 can be restrained by the second annular portion 21 (first contact portion) provided on the dial 15 coming into contact with the surface 26a on the display body 13 side.

  On the other hand, with respect to the force for pulling the dial 15 (see arrow D in FIG. 1), the convex portion 22 (second second) provided on the dial 15 on the surface 26 b on the counter-display body 13 side in the inner peripheral portion of the opening 26 of the body 1. The contact of the contact portion of the dial 15 makes it possible to stop the dial 15. However, the body 1 requires an opening 26 through which the engagement portion 25 of the dial 15 is inserted in an angle range equal to or greater than the rotation angle of the dial 15 (movement angle of the engagement portion 25). Since the inner peripheral portion of 26 is only supported by a small portion connected to the outer peripheral portion other than the opening portion 26, the rigidity tends to be insufficient and the dial 15 may not be stopped completely.

On the other hand, the body 1 is provided with a collar portion 27 (third abutting portion), and the collar portion 27 is provided on the surface 21a on the display body 13 side of the second annular portion 21 (first abutting portion). It is in contact. Accordingly, the pulling force of the dial 15 together with the contact of the convex portion 22 (second contact portion) of the dial 15 with the surface 26b on the counter-display body 13 side in the inner peripheral portion of the opening portion 26 of the body 1 described above. Therefore, the dial 15 can be surely restrained.
Thus, even when the dial 15 is pushed or pulled, the dial 15 can be operated without wobbling, so that a high-quality dial type operation device can be obtained.

  Depending on the user, the display body 13 (body 1) may be pressed. In this case, the surface 26b on the counter-display body 13 side in the inner peripheral portion of the opening 26 of the body 1 abuts on the convex portion 22 (second abutting portion) of the dial 15, and the convex portion 22 is Then, the second annular portion 21 (first contact portion) of the dial 15 contacts the surface 26a on the display body 13 side in the outer peripheral portion of the opening 26 of the body 1, whereby the display body 13 (body 1). Therefore, a higher quality dial type operation device can be obtained.

  4 and 5 show the second embodiment (second embodiment) of the present invention, and the same parts as those in the first embodiment are denoted by the same reference numerals and the description thereof is omitted. Only the different parts will be described.

In this case, a pulley 51 is used instead of the pulley 33 described above. In this pulley 51, only a shaft portion 53 and a cover 54 mounted thereon are surrounded by a pulley frame 52. The cover 54 is coupled to the pulley frame 52 by a plurality of protrusions 54a, and is connected to the shaft portion 53 at the tip. The shaft tube portion 56 of the separate arm portion 55 having the above-described engaged portion 39 is attached to the portion, and is attached by the claw 57.
That is, in this case, the pulley 51 to which the arm portion 55 is attached separately is used, but this can also provide the same effects as described above.

  In addition, the present invention is not limited to the embodiment described above and shown in the drawings. For example, the dial type operation device is not limited to the one provided for the above-described vehicle air conditioning operation, and the pulley 33 is also used. , 51 may be a lever or the like for connecting the cable 42 to the tip. Furthermore, the engaging recess 24 and the engaging protrusion 40 of the engaging portion 25 of the body 1 and the engaged portion 39 of the pulleys 33 and 51 may be provided in the opposite relation to the above, etc. The present invention can be implemented with appropriate modifications without departing from the scope of the present invention.

1 is a longitudinal side view showing a first embodiment of the present invention. Exploded perspective view Front view of display unit FIG. 1 equivalent view showing a second embodiment of the present invention. 2 equivalent diagram

Explanation of symbols

  In the drawings, 1 is a body, 13 is a display body, 15 is a dial, 21 is a second annular portion (first contact portion), and 21a is a surface of the second annular portion on the display body side (first contact). Display body side surface), 22 is a convex portion (second contact portion), 25 is an engagement portion, 26 is an opening portion, 26a is a surface on the display body side at the outer peripheral portion of the opening portion, and 26b is an opening portion. A surface on the side opposite to the display body in the inner peripheral portion, 27 is a collar portion (third contact portion), 33 is a pulley (transmission member), and 39 is an engaged portion.

Claims (1)

Provide a dial on the outer periphery of the display body side of the body with the display body,
The engagement portion provided on the counter-displaying body side of the dial is inserted into the body on the counter-displaying body side through an opening provided in the body at an angle range equal to or greater than the rotation angle of the dial, and the body is mounted on the counter-displaying body side. Engage with the engaged part of the installed transmission member,
The rotation of the dial is transmitted to the transmission member via the engaging portion and the engaged portion, and
A first contact portion that contacts the surface on the display body side in the outer peripheral portion of the opening portion of the body and a second surface that contacts the surface on the counter-display body side in the inner peripheral portion of the opening portion of the body. And a contact portion of
3. A dial type operating device, wherein the body is provided with a third contact portion that contacts the surface of the first contact portion on the display body side.

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