JP2012106518A - Operation device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To surely regulate the rotation of a dial even if the dial is rotated by an excessive force, and to achieve the regulation without increasing the rigidity of a stopper without causing assembling difficulty or damaging the stopper.SOLUTION: When an external dial 48 is rotated toward one stopper 35 (arrow C) by an excessive force, a restriction section 39 suppresses the deformation of one stopper 35 in a direction opposite an elastic deformation direction during assembling, thereby preventing a projection 33 from going over one stopper 35 and securing the continuous restriction of the rotation of the external dial 48. Thus, there is no need to increase the rigidity of one stopper 35, assembling is prevented from being difficult, and the damage of one stopper 35 is prevented.

Description

  The present invention relates to a dial type operation device.

  Conventionally, as a dial-type operation device, for example, there is one that is used for air conditioning operation of a vehicle (see, for example, Patent Documents 1 and 2). In addition to the dial, this body has a body that is mounted so that the dial can be rotated. By turning the dial, the air conditioning operation of the vehicle, for example, switching between inside air circulation and outside air introduction can be performed. For this reason, the dial can be rotated between the inside air circulation operation position and the outside air introduction operation position. In other words, the rotation of the dial is regulated between the two operation positions. Yes.

  FIG. 9 shows a conventional structure for restricting the rotation of the dial. The dial 1 is provided with a convex portion 2 protruding in one of the axial directions (downward in the vertical direction in the figure). The body 3 is provided with one stopper portion 4 and the other stopper portion 5 facing each other at a predetermined distance in the rotation direction of the dial 1 (left and right in the drawing). In addition, one of the stopper portions 4 is provided with a tapered overhanging portion 6 protruding toward the dial 1 side.

  With this configuration, when the dial 1 is attached to the body 3 at a predetermined rotation angle position, the convex portion 2 faces the one stopper portion 4 as shown in FIG. The process proceeds as shown by arrow A in b), and when the overhanging portion 6 is pressed, one stopper portion 4 is deformed. Next, when the dial 1 is rotated in the direction away from one stopper portion 4 (the other stopper portion 5 side) as indicated by an arrow B in FIG. As a result, one stopper portion 4 is restored, and the convex portion 2 is positioned within the facing distance between the one stopper portion 4 and the other stopper portion 5.

  In this state, when the dial 1 is rotated in the direction indicated by the arrow C, the convex portion 2 is stopped by the stopper surface 4a of the one stopper portion 4, and when the dial 1 is rotated in the direction indicated by the arrow B, The convex part 2 is stopped by the stopper surface 5 a of the other stopper part 5. That is, the rotation of the dial 1 is restricted within the facing distance between the one stopper portion 4 and the other stopper portion 5. In addition, the rotation position where the dial 1 is stopped by the convex portion 2 and the stopper surface 4a of the one stopper portion 4 is, for example, an internal air circulation operation position in the air conditioning operation of the vehicle, and the dial 1 is the convex portion. In the air conditioning operation of the vehicle, for example, the outside air introduction operation position is a rotational position at which the stop position 5 is stopped by the stopper surface 5a of the other stopper portion 5.

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

  In the case of the above-mentioned conventional one, when the dial 1 is rotated with an excessive force in the direction indicated by the arrow C in the assembled state, as shown in FIG. The part 4 is deformed as originally assembled, and is not stopped by the stopper surface 4 a of the stopper part 4. That is, the rotation of the dial 1 in the direction indicated by the arrow C is not restricted, and the air conditioning operation of the vehicle cannot be stopped at the inside air circulation operation position.

  In order to avoid this, the rigidity of the protruding portion 6 of the one stopper portion 4 and the vicinity thereof may be increased. However, in such a case, the drag at the time of assembling becomes large and it becomes difficult to assemble. Moreover, by trying to assemble it forcibly, one stopper part 4 will be damaged and the body 3 will be a waste product.

  The present invention has been made in view of the above circumstances. Therefore, even if the dial is rotated with an excessive force, the rotation of the dial can be reliably restricted, and the stopper can be used as a stopper. Accordingly, it is an object of the present invention to provide an operating device that can be realized without increasing the rigidity of the portion, and therefore without making it difficult to assemble or causing damage to the stopper portion.

  In order to achieve the above object, an operating device of the present invention comprises a dial and a body for mounting the dial so as to be rotatable, and has a convex portion on one of the dial and the body. The other of the dial and the body is provided with one stopper portion that is pushed and elastically deformed by the projection by the attachment of the dial to the body, and a predetermined direction in the rotation direction of the one stopper portion and the dial. And the other stopper portion opposed to each other at a distance, and the convex portion after the one stopper portion is elastically deformed within the facing distance between the one stopper portion and the other stopper portion. In the direction opposite to the elastic deformation direction of the one stopper portion, in which the rotation of the dial is restricted within the facing interval. Characterized in that a preventing part for preventing the deformation (the invention of claim 1).

  According to the above means, when the dial is rotated with an excessive force in the direction of the one stopper portion, the restraining portion inhibits deformation in the direction opposite to the elastic deformation direction when the one stopper portion is assembled. Thus, it is possible to prevent the convex portion from exceeding one of the stopper portions, and to keep the rotation of the dial reliably controlled. This also eliminates the need to increase the rigidity of one of the stopper portions, thereby making it difficult to assemble or causing damage to one of the stopper portions.

FIG. 3 is a developed plan view of the main part showing the first embodiment of the present invention in a functional state. Exploded perspective view of the entire device Perspective view of a single body Fig. 3 is an enlarged perspective view of a portion IV. Development plan view of main parts shown in assembly order in (a) to (c) FIG. 5 equivalent diagram showing a second embodiment of the present invention. Plan view of one stopper part 1 equivalent diagram FIG. 5 equivalent diagram showing a conventional example 1 equivalent diagram

Hereinafter, a first embodiment (first embodiment) of the present invention will be described with reference to FIGS.
First, FIG. 2 shows an exploded view of the entire operation device for air conditioning operations for vehicles, particularly for automobiles, especially for switching between internal air circulation and outside air introduction and for adjusting the air volume. , Middle dial 11, outer dial knob 12, indicator piece 13, display panel 14, outer dial knob holder 15, body 16, contact holder 17, moderation spring 18 and moderation piece 19, contact spring 20, movable contact 21, insulator 22, The light emitter 23 and the cable unit 24 are shown.

Among them, the middle dial 11 has a short cylindrical shape with a lid, and has a light-transmitting indicating portion 25 at one place on the outer peripheral portion of the front surface portion.
The outer dial knob 12 has a short cylindrical shape that is sufficiently larger in diameter than the middle dial 11, has a notch 26 at one location on the front edge, and a plurality of locations on the large diameter portion 12 a at the rear edge. Have a connecting hole 27.
The instruction piece 13 has a tapered shape, and has a light transmitting property as a whole.

The display panel 14 is formed in a disk shape having a hole 28 at the center of the display panel. The display panel 14 has a step indication 29 of the set air volume above the hole 28 in an arc shape along the outer periphery of the hole 28, and further has an internal air above it. A switching display 30 for circulation and introduction of outside air is also provided in an arc along the outer periphery of the display panel 14.
The outer dial knob holder 15 has a front portion 15a that is smaller in diameter than the larger diameter portion 12a of the outer dial knob 12, and a rear portion 15b that forms a ring shape that is substantially the same diameter as the larger diameter portion 12a. 15a has a connecting claw 31 corresponding to the connecting hole 27 of the outer dial knob 12, and a rear portion 15b has a protrusion 32 and a convex portion 33 shown in FIG.

  The body 16 includes a small cylindrical portion 16b having a smaller diameter than that of the outer dial knob holder 15 and the outer dial knob 12, and a rear side of the cylindrical portion 16a. It has a large rectangular box-shaped portion 16c, and has a protruding portion 34 shown in FIG. 3 around the cylindrical portion 16a of the rectangular box-shaped portion 16c. The protrusion 34 has an annular shape with a part lacking within a range of, for example, 90 degrees, and one end thereof serves as one stopper portion 35 and the other end serves as the other stopper portion 36. Have as.

  Among them, as shown in detail in FIG. 4, one stopper portion 35 includes a notch portion 37 formed at a predetermined distance from the end of the stopper portion 35 of the protrusion 34 (body 16), A hole 38 formed in the body 16 (rectangular box-shaped portion 16 c) on the back side (rear side) of the stopper portion 35 is provided so as to be elastically deformable (flexible) in the front-rear direction. The wall surface on the opposite side to the portion 35 side is used as the deterring portion 39. In this case, the hole 38 is not necessary if the one stopper portion 35 is formed so as to be spaced forward from the body 16 (rectangular box-shaped portion 16c). That is, the one stopper portion 35 only needs to be provided in the body 16 so that it can be deformed in the front-rear direction (even without the cut portion 37 and the hole 38).

  The contact holder 17 has a flange portion 17b at the rear end of the shaft portion 17a, and a moderation spring accommodating portion 40 is formed at one place on the outer peripheral portion of the collar portion 17b, and the moderation spring accommodating portion 40 is provided with a moderation spring. 18 is accommodated and the moderation piece 19 is elastically biased outward by the moderation spring 18. The body 16 is formed with a series of moderation valleys (not shown) corresponding to the moderation pieces 19.

  Further, a plurality of contact spring accommodating portions (not shown) are formed on the back surface portion (rear surface portion) of the collar portion 17b of the contact holder 17, and a plurality of contact springs 20 are respectively accommodated in the contact spring accommodating portions. A plurality of movable contacts 21 are each elastically biased backward by a contact spring 20.

The insulator 22 has a fixed contact 41 corresponding to the movable contact 21 on the front surface (movable contact 21 side), an arc-shaped through groove 42 on the top, and a translucent portion 43 on one side (right side in the figure). And has a light emitter mounting portion 44 on the back side (rear side).
In this case, the light emitter 23 is a lamp.
The cable unit 24 is obtained by leading the cable 46 from the unit case 45. The unit case 45 has a winding member (not shown) around which the cable 46 is wound, and a lever 47 that rotates the winding member. In front of the unit case 24a.

With the above configuration, the unit case 45 of the cable unit 24 is attached to the back surface of the insulator 22. At this time, the tip of the lever 47 is passed through the through groove 42 of the insulator 22. The light emitter 23 is attached to the light emitter attachment portion 44 of the insulator 22, and the light emitter 23 faces the light transmitting portion 43.
On the other hand, the contact holder 17 is attached to the back surface portion of the rectangular box-shaped portion 16c through the shaft portion 17a through the small cylindrical portion 18b of the body 16. At the same time, the moderation piece 19 urged by the moderation spring 18 accommodated in the moderation spring accommodating portion 40 is engaged with one of the moderation valleys of the body 16.

  And the insulator 22 is attached to the back surface of the rectangular box-shaped part 16c of the body 16 of the state. At this time, a plurality of contact springs 20 accommodated in a plurality of contact spring accommodating portions and a movable contact 21 urged by the contact springs 20 are sandwiched between the flange portion 17b of the contact holder 17 and the insulator 22, and are movable. The contact 21 is in contact with the fixed contact 41 of the insulator 22.

  An outer dial knob holder 15 is attached to the cylindrical portion 16a of the body 16 at a predetermined rotational angle position from the front. Then, the convex portion 33 of the outer dial knob holder 15 is advanced from the state facing the one stopper portion 35 as shown in FIG. 5A as shown by the arrow A in FIG. By pressing the stopper portion 35, the stopper portion 35 is bent and deformed rearward from the cut portion 37.

  Next, when the outer dial knob holder 15 is rotated in a direction away from one stopper portion 35 (on the other stopper portion 36 side) as indicated by an arrow B in FIG. The pressing is released, the one stopper portion 35 is restored, and the convex portion 33 is positioned within the facing distance between the one stopper portion 35 and the other stopper portion 36.

At the stage where the outer dial knob holder 15 is attached to the cylindrical portion 16a of the body 16 at the initial predetermined rotation angle position, the end of the lever 47 of the cable unit 24 passed through the through groove 42 of the insulator 22 is provided. The protrusion 32 of the outer dial knob holder 15 is engaged.
Thereafter, the display panel 14 is attached to the front end surface of the cylindrical portion 16a of the body 16, and the middle dial 11 is attached to the small cylindrical portion 18b of the body 16 through the hole 28 of the display panel 14, and the small cylindrical portion 18b is attached to the small cylindrical portion 18b. It connects with the shaft part 17a of the said contact holder 17 which let it pass.

Then, the indication piece 13 is attached to a predetermined portion of the inner peripheral portion that is continuous with the notch portion 26 of the outer dial knob 12, and the tip end portion of the indication piece 13 is positioned at the notch portion 26. The outer dial knob 12 is coupled to the outer dial knob holder 15 by fitting into the front portion 15 a of the outer dial knob holder 15 and engaging the coupling hole 27 with the coupling claw 31 of the outer dial knob holder 15. . The outer dial knob 12 and the outer dial knob holder 15 constitute an outer dial (dial) 48 by their combination.
Thus, the entire operation device is assembled.

  When the middle dial 11 is turned in the assembled state, the contact holder 17 is integrally turned via the shaft portion 17a, and the movable contact 21 is slid with respect to the fixed contact 41 of the insulator 22 to switch the contact relationship. . As a result, the air volume during the air conditioning operation for the automobile is adjusted, and the adjustment is performed step by step by adjusting the indication section 25 of the middle dial 11 to each of the stage indications 29 on the display panel 14. This moderation is obtained by engaging the moderation piece 19 urged by the moderation spring 18 with each of a series of moderation valleys (not shown) of the body 16.

On the other hand, when the outer dial 48 is rotated, the lever 47 of the cable unit 24 is rotated by the protrusion 32, the cable unit 24 pulls or returns the cable 46, moves the damper (not shown), and performs the air conditioning operation for automobiles. Switch between inside air circulation and outside air introduction.
Specifically, when the outer dial 48 is rotated in the direction indicated by the arrow C in FIG. 5C, the convex portion 33 is stopped by the stopper surface 35a of the one stopper portion 35, and the outer dial 48 is moved to the arrow B. When the projection 33 is rotated in the direction indicated by, the projection 33 is stopped by the stopper surface 36 a of the other stopper 36. That is, the rotation of the outer dial 48 is restricted within the interval between the one stopper portion 35 and the other stopper portion 36.

  The rotation position where the outer dial 48 is stopped by the convex portion 33 on the stopper surface 35a of the one stopper portion 35 is, for example, an inside air circulation operation position in the air conditioning operation of the vehicle. For example, in the air conditioning operation of the vehicle, the rotation position where the convex portion 33 is stopped by the stopper surface 36a of the other stopper portion 36 is an outside air introduction operation position, and the switching is attached to the outer dial knob 12. This is done by aligning the tip of the indicated piece 13 with one of the switching displays 30 on the display panel 14.

  Here, when the outer dial 48 is rotated with an excessive force in the direction indicated by the arrow C, as shown in FIG. 1, the convex portion 33 hits the stopper surface 35 a of one stopper portion 35 and the stopper portion 35 is moved to the above-described position. Attempt to deform forward in the direction opposite to the elastic deformation direction at the time of assembly. At this time, the stopper portion 35 is a wall portion on the opposite side to the one stopper portion 35 side of the cut-out portion 37. No. 39 is prevented from being deformed further forward.

Thus, the convex portion 33 can be prevented from exceeding the one stopper portion 35, and the rotation of the outer dial 48 can be reliably restricted. In addition, it is not necessary to increase the rigidity of one stopper part 35, and the drag force during assembly does not increase, so that it is difficult to assemble or the one stopper part 35 is damaged. It can be made not to be.
The indication piece 13 of the outer dial 48, the switching display 30 and the step indication 29 of the display panel 14, and the indication unit 25 of the middle dial 11 are illuminated with the light when the light emitter 23 emits light.

  6 to 8 show a 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, one stopper portion 35 is provided on the body 16 so as to be elastically deformable in the front-rear direction by a thin portion 51, and the thin portion 51 is opposite to the other stopper portion 36 side from the one stopper portion 35. A hole 52 is formed in the portion, and a tip L-shaped portion of the separate member 53 is inserted into the hole 52, and the L-shaped portion is used as a restraining portion 54. In this case, the separate member 53 is formed on the insulator 22.

  Even in this case, at the time of assembling, the outer dial knob holder 15 is attached at a predetermined rotational angle position from the front, so that the convex portion 33 of the outer dial knob holder 15 becomes one side as shown in FIG. From the state facing the stopper portion 35, it is advanced as shown by arrow A in FIG. 5B, and by pressing one stopper portion 35, the stopper portion 35 causes the thin portion 51 to bend backward. Not deformed.

  Next, when the outer dial knob holder 15 is rotated in a direction away from one stopper portion 35 (on the other stopper portion 36 side) as indicated by an arrow B in FIG. The pressing is released, the one stopper portion 35 is restored, and the convex portion 33 is positioned within the facing distance between the one stopper portion 35 and the other stopper portion 36.

  When the outer dial 48 is rotated in this assembled state, the convex portion 33 is stopped by the stopper surface 35a of one stopper portion 35 in the direction indicated by the arrow C in FIG. In the direction indicated by the arrow B, the point that the convex portion 33 is stopped by the stopper surface 36a of the other stopper portion 36 is the same as in the first embodiment, that is, the rotation of the outer dial 48 is one stopper portion. 35 and the other stopper portion 36 are regulated within the facing distance.

  Then, when the outer dial 48 is rotated with an excessive force in the direction indicated by the arrow C, as shown in FIG. 8, the convex portion 33 comes into contact with the stopper surface 35 a of one stopper portion 35 and the stopper portion 35 is assembled. At this time, the stopper portion 35 hits against the restraining portion 54 formed by the tip L-shaped portion of the separate member 53 inserted into the hole 52 at this time. Further forward deformation is suppressed.

  Thus, the convex portion 33 can be prevented from exceeding the one stopper portion 35 and the rotation of the outer dial 48 can be surely restricted, so that the one stopper portion 35 is the same as in the first embodiment. Since there is no need to increase the rigidity and the drag force during the assembly does not increase, it is possible to prevent the assembly from becoming difficult and the one stopper portion 35 from being damaged.

The convex portion 33 may be provided on the body 16, and one stopper portion 35 and the other stopper portion 36 may be provided on the outer dial (dial) 48.
Further, the operated body operated by the rotation of the outer dial 48 may be other than the cable unit 24.
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 drawings, 16 is a body, 33 is a convex part, 35 is one stopper part, 36 is the other stopper part, 37 is a notch part, 39 is a restraining part, 48 is an outer dial (dial), 51 is a thin part, 52 is a hole, 53 is a separate member, and 54 is a restraining portion.

Claims (3)

Dial and
A body for mounting the dial so as to be rotatable,
Has a convex part on one of the dial and the body,
The other of the dial and the body is provided with one stopper portion that is pushed and elastically deformed by the convex portion when the dial is attached to the body, and the one stopper portion and a predetermined direction in the rotation direction of the dial. And the other stopper portion facing each other with a distance of
Within the interval between the one stopper part and the other stopper part, the convex part after elastically deforming the one stopper part is positioned by turning the dial, and the turning of the dial is In what was regulated within the facing interval,
An operating device, comprising: a suppressing portion that suppresses deformation of the one stopper portion in a direction opposite to the elastic deformation direction.   One stopper part is provided in the body or the dial so as to be elastically deformable at the notch part, and the wall surface on the opposite side to the one stopper part side of the notch part serves as a restraining part. The operating device according to claim 1.   One stopper part is provided in the body or the dial so as to be elastically deformable at a thin part, a hole is formed in the thin part, and a restraining part is formed by another member inserted into the hole. Item 3. The operating device according to Item 1.

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