JP5218936B2 - Dial-type control operation device - Google Patents

Description

  The present invention relates to a dial type control operation device that transmits a driving force according to a turning operation of an operation knob to an external device via a control cable, and controls the operation of the external device.

There are various types of dial-type control operation devices. As an example, an air-conditioning control operation device installed in an automobile will be described.
15 and 16 show a widely known vehicle air-conditioning control operation device, FIG. 15 is a front view of the device, and FIG. 16 is a plan view of the device.

  As shown in the drawing, an operation knob 11 for adjusting the wind direction, an operation knob 12 for adjusting the air volume, and an operation knob 13 for adjusting the temperature are rotatably provided on the operation panel 10 which is a dial type operation knob. Each switch button includes a rear differential switch 14 for energizing the heat wire, an air conditioner switch 15 for switching the air conditioner mode, and an inside / outside air changeover switch 16 for switching between the inside air circulation and the outside air introduction.

  The operation panel 10 is attached to a housing part 17a provided on the front side of the base 17, and further, the base 17 extended horizontally behind the housing part 17a has the operation knobs 11 and 13 described above. Bearing portions 19 and 25 for rotatably supporting the gear shafts 18 and 24 are provided.

That is, the operation knob 11 is mounted on one end side of the gear shaft 18, the bevel gear 18 a is provided on the gear shaft 18, and the other end is supported by the bearing portion 19 provided on the base 17. .
The bevel gear 18 a is engaged with the gear portion 20 a of the gear lever 20 to transmit the rotation of the operation knob 11 to the gear lever 20.

  The gear lever 20 is rotatably supported by a cylindrical support shaft portion 21 formed on the base 17, and the arm portion 20 b of the gear lever 20 is used to control the operation of an air conditioning unit (not shown). A control cable 22 is connected.

Therefore, by rotating the operation knob 11, the gear lever 20 interlocked with the bevel gear 18a is rotated, the inner cable 22a of the control cable 22 is pushed out, and pulled back to adjust the air direction of the air conditioning unit.
The control cable 22 has an outer cable 22b in which an inner cable 22a is slidably mounted. One end of the outer cable 22b is fixed to a clamp member 23 provided on the base 17.

  Similarly to the operation knob 13, the other end side of the gear shaft 24 having the operation knob 13 mounted on one end side thereof is rotatably supported by the bearing portion 25, and the bevel gear provided on the gear shaft 24 is also provided. 24 a meshes with a gear portion 27 a of a gear lever 27 pivotally supported by the support shaft portion 26, and a control cable 28 is connected to an arm portion 27 b of the gear lever 27.

Therefore, by rotating the operation knob 13, the inner cable 28a of the control cable 28 is pushed out and pulled back to adjust the temperature of the air conditioning unit.
As with the control cable 22, the control cable 28 includes an inner cable 28 a and an outer cable 28 b, and one end of the outer cable 28 b is fixed to a clamp member 29 disposed on the base 17.

On the other hand, in the case of the above-described control operation device, since the convex knob portion protruding to the front side of the operation knob is picked up and operated by the fingertip, the operation force is hardly transmitted, and the operability is not always preferable.
For this reason, a control operation device in which an operation knob is formed in a cylindrical shape has been proposed.

  In this control operation device, a ring-shaped interlocking gear is integrally provided on a cylindrical operation knob, a planetary gear is engaged with the interlocking gear, an output gear is interlocked with the planetary gear, and an output gear is provided. Is configured to push out the inner cable of the control cable in conjunction with a bevel gear that drives a gear lever similar to the above, and to pull it back.

JP 2003-267034 A Japanese Patent Laid-Open No. 2004-210019

  A control operation device equipped with an operation knob having a convex knob part should be arranged with an operation switch in the center of the operation knob or in a ring shape with the gear ratio between the bevel gear and the gear lever kept constant. Then, since the outer diameter of the gear shaft of the bevel gear increases in proportion to the size of the operation knob, the diameter of the gear lever also increases.

  In addition, in a control operation device having a cylindrical operation knob, an operation gear is provided with a sun gear on the operation knob, and an output gear is provided between the planetary gear meshed with the operation gear and a gear lever. Although the gear ratio is adjusted, the reduction gear structure using a plurality of gears causes problems such as a complicated structure.

Furthermore, in the current automobile, the number of devices such as operation switches and navigation has increased due to the improved functions of in-vehicle devices, so the space for arranging the control operation devices for air conditioning has become narrower, and the conventional operation has three operation knobs side by side. The layout of the control operation device type is difficult.
In addition, since the respective operation units are scattered and arranged, it is difficult to perform an operation by groping, and the operability during driving is not good.

  In view of the circumstances described above, an object of the present invention is to provide a dial type control operation device suitable for miniaturization with a simple configuration as much as possible, in addition to a cylindrical operation knob.

In order to achieve the above-described object, in the present invention, as a first invention, the operation knob formed in a cylindrical shape and rotated in conjunction with the rotation operation of the operation knob to transmit the driving force of the operation knob. And a planetary gear that moves in conjunction with the sun gear on a planar portion of the base member that rotatably supports the operation knob and the sun gear. An internal gear that guides the planetary gear in the movement direction in cooperation with the sun gear, and a cable holding portion of a control cable that is connected to the planetary gear to operate an external device, and the planar portion of the base member A dial-type control operation device is proposed, which is arranged at a position eccentric from the rotation center axis of the operation knob.

  As a second invention, an operation knob formed in a cylindrical shape, a sun gear that rotates in conjunction with a rotation operation of the operation knob, and transmits a driving force of the operation knob, the operation knob and the sun gear And a planetary gear that moves in conjunction with the sun gear on a planar portion of the base member that rotatably supports the planetary gear, and the base member cooperates with the sun gear. An internal gear that guides in the moving direction and a cable holding portion of a control cable that is connected to the planetary gear to operate an external device, and further, a long cutout hole is formed in the planar portion of the base member In addition, the planetary gear is provided with a connecting protrusion that is movably inserted into the cutout hole and connects the control cable behind the planar portion. To do.

  As a third invention, in the control operation device of the second invention, the planar portion of the base member is formed with an elongated concave portion with one end opened, and the planetary gear includes A dial-type control operating device is provided, which is provided with a connecting projection that is movably inserted into the concave portion and connects the control cable within the concave portion.

  As a fourth invention, in the control operation device of the second invention, an operation member for performing operation control different from the operation control by the control cable is disposed in the cylindrical shape of the operation knob. A dial-type control operation device is proposed.

  As a fifth invention, in the control operation device according to the second invention, the control cable comprises an outer cable in which an inner cable is slidably mounted, and the base member has one end portion of the outer cable. A fixed cable holding portion; and the planetary gear is provided with the connecting projection at an eccentric portion separated from a rotation center portion, and both end portions of the movement locus of the connecting projection in the rotation range of the operation knob. A dial-type control operation device is proposed in which the cable holding portion is disposed on an extension line connecting the two.

  As a sixth invention, in the control operation device of the second invention, an interlocking gear comprising a bevel gear provided on the outer periphery of a cylindrical operation knob and a spur gear are provided, and are movably disposed on the base member. The planetary gear, the bevel gear portion connected to the interlocking gear, and the spur gear portion connecting the planetary gear with a small diameter to the bevel gear portion are integrally provided so that the spur gear portion is on the base member side. A dial-type control operating device is provided, comprising a sun gear rotatably supported on the base member.

  As a seventh invention, an operation knob formed in a cylindrical shape, a sun gear that rotates in conjunction with a rotation operation of the operation knob, and transmits a driving force of the operation knob, the operation knob and the sun gear And a planetary gear that moves in conjunction with the sun gear on the planar portion of the base member that rotatably supports the base member, and the base member is connected to the planetary gear to operate an external device. A control cable for holding the control cable, and further, the base member is fixed with a gear case provided with an internal gear for guiding the planetary gear in the movement direction in cooperation with the sun gear. A dial-type controller that is configured to transmit the driving force according to the turning operation of the knob to the external device via the sun gear, the planetary gear, and the control cable, and to control the operation of the external device. To propose Le operating device.

As an eighth invention, in the control operation device of the seventh invention, it is formed of an interlocking gear comprising a bevel gear provided on the outer periphery of a cylindrical operation knob and a spur gear, and is movably disposed on the base member. A planetary gear, a bevel gear portion coupled to the interlocking gear, and a spur gear portion coupled to the planetary gear, and a sun gear pivotally supported by the base member and the gear case. Further, the present invention proposes a dial type control operation device characterized in that the cable holding portion is disposed so as to drive the control cable in a direction intersecting with the rotation center axis of the operation knob.

Since the control operation device of the first invention is configured to transmit the rotation operation force of the operation knob to the control cable using the sun gear and the planetary gear, compared with the conventional control operation device using the bevel gear and the gear lever. The depth dimension can be reduced.
In addition, since the gear ratio can be adjusted by using a sun gear or planetary gear, the control gear of the control cable can be maintained with the same gear ratio as that of the conventional device without increasing the gear mechanism, even with a cylindrical operation knob configuration. Stroke can be increased.

Furthermore, in the control operation device according to the first aspect of the present invention, the planar portion of the base member is disposed at a position eccentric from the rotation center axis of the operation knob.
With this configuration, a space for disposing various switches, printed circuit boards, and the like can be made free, and another operation member can be disposed inside the cylindrical operation knob.

Further, in the control operating device of the second invention, the planetary gear connecting projection is movably inserted into a long cutout hole formed in the planar portion of the base member, and projects to the back side of the planar portion of the base member. A control cable is connected to the connecting protrusion.
With this configuration, it is possible to reduce the planetary gear coupling protrusions as much as possible from interfering with the base member, and the space where the planetary gear coupling protrusions move and the space where the control cable is provided are shared. The arrangement space of the gear mechanism and the control cable can be reduced.

  Further, as in the third invention, a concave portion is formed instead of the notch hole formed in the base member, and a planetary gear connecting projection is inserted into the concave portion, and the control cable is connected in the concave portion. It can also be connected within the department.

According to a fourth aspect of the present invention, there is provided a control operation device in which an operation member for performing operation control different from the operation control by the control cable is provided in the cylindrical shape of the operation knob, and the operation portion is concentrated. This is advantageous for downsizing the device.
The operation member for performing another operation control does not need to be an electric switch, and may be configured to control a control cable, for example.

In the control operation device according to the fifth aspect of the invention, the connecting projection of the planetary gear is provided in the eccentric portion separated from the movable central portion, and therefore the connecting projection moves linearly as the planetary gear rotates. The control cable can be moved linearly.
Further, since the cable holding portion is disposed on the extension line of the movement locus of the connecting projection, the bending stress applied to the control cable can be reduced, and the operability of the operation knob can be improved.

A control operation device according to a sixth aspect of the present invention includes a bevel gear portion and a sun gear in which a small-diameter spur gear portion is integrally formed with the bevel gear portion, and the sun gear is mounted with the spur gear portion as a base member side. A planetary gear is connected to the spur gear.
As a result, because the planetary gear portion overlaps the bevel gear portion of the sun gear,
The size of the gear mechanism (the depth of the device and the size of the sun gear and the planetary gear in the direction of the rotation axis) can be reduced, and the gear mechanism can be miniaturized by effectively using the gear arrangement space. it can.

According to a seventh aspect of the present invention, there is provided a control operation device in which a gear case provided with an inscribed gear is fixed to a base member, a sun gear is pivotally supported by the gear case and the base member, and the planetary gear is formed from the sun gear. Prevents withdrawal.
Therefore, the gear case serves as an inscribed gear case for guiding the planetary gear in cooperation with the sun gear and a support shaft case for supporting the sun gear.
Furthermore, this gear case prevents the impact applied to the gear and the dust adhering to the gear.

The control device according to the eighth aspect of the invention is a dial type control operation device that can arrange the control cable in a direction intersecting the rotation center axis of the operation knob without increasing the size of the gear mechanism.

Next, an embodiment implemented as a vehicle air conditioning control operation device will be described with reference to the drawings.
FIG. 1 is a perspective view of a control operation device having a dual operation knob configuration, FIG. 2 is a sectional view of the control operation device cut at one operation knob position, and FIG. 3 is an exploded perspective view of the control operation device. .

First, the operation knob 31 and its interlocking mechanism will be described.
The operation knob 31 is a temperature adjustment dial knob, and the knob knob operation knob 32 disposed in the cylindrical shape of the operation knob 31 is an air volume adjustment dial knob.
That is, the operation knob 31 is turned, and the index 31a is selectively adjusted to the symbol 33a to adjust the temperature.
Further, the operation knob 32 is rotated by picking the convex portion with a fingertip, and the air volume is adjusted by selectively matching the index 32a with the symbol 33b.

As shown in FIGS. 2 and 3, the operation knob 31 formed in a cylindrical shape has an interlocking gear 34 composed of a bevel gear integrally fixed to the outer periphery of the rear part, and the sun gear 35 is interlocked by the interlocking gear 34, and the planetary gear. In this configuration, 36 is swung.
The operation knob 31 is rotatably fitted on the outer periphery of a base cylindrical portion 37a that projects from the front base 37.

That is, the interlocking gear 34 integrated with the operation knob 31 is provided with a stepped portion 34a formed in a ring shape inside, and the stepped portion 34a is an engagement protrusion provided on the base cylindrical portion 37a. 37b is engaged, and the operation knob 31 is prevented from coming off.
Note that the engagement protrusions 37b are provided at several locations on the outer periphery of the base cylindrical portion 37a.
Further, the interlocking gear 34 is provided with locking projections 34c at several locations on the outer peripheral surface of the circular flange, and the locking projections 34c are locked in locking grooves provided on the inner peripheral surface of the operation knob 31, thereby enabling operation. The knob 31 is rotated integrally with the knob 31.

The interlocking gear 34 is provided with a click stop mechanism that gives moderation to the operation knob 31 when the index 31a of the operation knob 31 is set to each position of the symbol 33a.
That is, as shown in FIG. 3, the click stop mechanism includes a small ball 39 inserted into a small hole 34b formed in the interlocking gear 34 and applied with a projecting force by a spring 38, and a moderation groove 37c formed in the front base 37. It is constituted by.

On the other hand, a front plate portion is integrally formed in the base cylindrical portion 37a, and a plurality of transmission holes 40 for illuminating the symbols 33a and 33b are provided along the circumference of the front plate portion.
In addition, a display plate 41 that covers the transmission hole 40 is fixed to the front plate portion.

The display board 41 has symbols 33a and 33b made translucent and the others are formed as non-light-transmitting portions, and the symbols 33a and 33b are optically displayed by turning on a lamp 43 provided on the wiring board 42. It is supposed to let you.
A light guide member 44 (see FIG. 3) is fitted to the operation knob 31 and the indicator 31a is optically displayed by a light source such as an LED provided on the wiring board 42. The operation knob 32 includes a light guide member 45. The indicator 32 a is optically displayed by a light source such as an LED provided on the wiring board 42.

An operation knob 32 is rotatably inserted into the opening provided in the central concave portion of the front plate portion.
An operation shaft 46 a of the air volume adjustment switch 46 is fitted on the knob shaft 32 b of the operation knob 32.
The wiring board 42 and the air volume adjustment switch 46 described above are disposed in the rear case 47.

  On the other hand, the sun gear 35 interlocked with the interlocking gear 34 provided on the operation knob 31 is formed by integrally forming a bevel gear portion 35a and a spur gear portion 35b having a smaller diameter than the bevel gear portion 35a. A support shaft 48 formed upright on the rear base 47 is pivotally supported by 35b as a lower side.

The planetary gear 36 is formed as a spur gear and meshed with the spur gear portion 35b of the sun gear 35 described above.
That is, as shown in FIG. 2, the planetary gear 36 is linked to the sun gear 35 and is configured to revolve around a planar portion 47 a that forms a part of the rear base 47.
Further, as shown in FIG. 2, the planar portion 47a is disposed on the operation knob 31, it is eccentric from rotation center axis of the operation knob 32 position.

Accordingly, a space can be provided in the central portion behind the control operation device, and an electric switch such as the fan switch 46 can be provided in this space.
Further, not only the electric switch but also mechanical parts such as a gear and a lever for operating the control cable can be provided.
Furthermore, since the arrangement space of the wiring board 42 can be increased, there are advantages that many electronic components can be mounted on the wiring board 42 and various functions can be processed by the wiring board 42.
The planar portion 47a is provided with a sliding contact projection 47c on which the lower surface of the planetary gear 36 slides to reduce the sliding resistance of the planetary gear 36.

In the present embodiment, a gear case 49 that is screwed to the rear base 47 is provided.
That is, as shown in FIG. 4, the gear case 49 is fixed to the rear base 47 with a screw 50, and the screw 51 provided in the middle is screwed into the support shaft 48, so that the sun gear 35 and the planetary gear 36 fall off. Is preventing.
Note that the inner surface rib 49 a of the high surface portion of the gear case 49 is in contact with the sun gear 35, and the inner surface rib 49 b of the bottom surface portion is in contact with the planetary gear 36.

Further, the gear case 49 is provided with an internal gear 52 that guides the turning movement of the planetary gear 36 in cooperation with the sun gear 35.
That is, as shown in an enlarged view in FIG. 6, the gear case 49 is provided with an inscribed gear 52 formed in an arc shape, and the planetary gear 36 is connected to the sun gear 35 between the inscribed gear 52 and the sun gear 35. It receives a driving force from 35 and moves while rotating.
FIG. 6 is a rear view of the gear case 49.

The above-described gear case 49 is fitted with screws 50 and 51 after fitting the tongue 53 provided in the periphery into the positioning groove 47b provided in the rear base 47 and determining the mounting position.
Note that the planetary gear 36 can be similarly guided even if the inscribed gear 52 is not provided in the gear case 49 but is provided as an arcuate gear in the rear base 47.

On the other hand, the planetary gear 36 is provided with a connecting projection 36a, and the inner cable 54a of the control cable 54 is connected to the connecting projection 36a.
As shown in FIGS. 2, 4, and 5, the connecting protrusion 36 a protrudes downward at an eccentric position away from the rotation center of the planetary gear 36, and the connecting protrusion 36 a is formed on the rear base 47. It protrudes through the notch hole 55 formed in the planar portion 47a to the back side of the planar portion 47a.
4 is a partial view showing a plane of the interlocking mechanism of the operation knob 31, and FIG. 5 is a plan view of the interlocking mechanism with the gear case 49 removed to show the internal configuration.

The cutout hole 55 formed in the planar portion 47a of the rear base 47 is a linear elongated hole having a length corresponding to the distance to which the connecting projection 36a moves when the operation knob 31 is operated in the entire rotation range. is there.
In other words, the sun gear 35 and the planetary gear 36 are appropriately designed, and the planetary gear 36 moves around the sun gear 35 by providing the connecting projection 36a at the eccentric part of the planetary gear 36 as described above. The connecting protrusion 36a can be moved substantially linearly.

The cutout hole 55 is formed so as not to interfere with the rear base 47 in the movement range of the connecting projection 36 a of the planetary gear 36.
Accordingly, the connecting protrusion 36 a moves in the cutout hole 55 in accordance with the turning operation of the operation knob 31.

  The control cable 54 is formed of an outer cable 54b and an inner cable 54a that is slidably provided inside the outer cable 54b. One end of the inner cable 54a protrudes from the cutout hole 55. It is connected to the part 36a.

Therefore, as shown in FIGS. 7 and 8, the inner cable 54 a is connected to the connecting protrusion 36 a on the back side of the planar portion 47 a of the rear base 47, and the control cable 54 is disposed on the back side of the rear base 47. Can do.
Specifically, the control cable 54 can be disposed by holding one end portion of the outer cable 54b with the cable holding portion (clamp member) 56 provided on the back surface of the rear base 47 (the back surface of the planar portion 47a). .

Therefore, the space in which the connecting projection 36a of the planetary gear 36 moves and the space in which the control cable 54 is disposed can be shared, and the vertical dimension of the device can be reduced.
Further, here, the cable holding portion 56 is formed on an extension line of the movement locus of the connecting projection 36a that is substantially straight, so that the bending stress applied to the control cable 54 can be reduced, and the operability of the operation knob 31 is improved. Can be improved.
7 is a cross-sectional view taken along the line AA in FIG. 5, and FIG. 8 is a bottom view of the interlocking mechanism portion of the operation knob 31.

In the control operation device configured as described above, when the operation knob 31 is rotated and its index 31a is set to the desired symbol 33a, the sun gear 35 linked to the interlocking gear 34 that rotates together with the operation knob 31 is obtained. Rotates around the support shaft 48 as a rotation axis.
Accordingly, the planetary gear 36 meshed with the spur gear portion 35 b of the sun gear 35 is guided and moved by the sun gear 35 and the internal gear 52.

Specifically, the planetary gear 36 moves around the spur gear portion 35b of the sun gear 35 in the order of (A) to (C) or (C) to (A) of FIG. Therefore, the connecting projection 36a moves in the notch hole 55 almost linearly.
Thereby, the inner cable 54a of the control cable 54 is pushed out or pulled back, and the temperature adjustment operation of the air conditioning unit is performed.
Reference numerals L1 and L2 shown in FIG. 9 indicate cable strokes.

Further, the operation knob 32 is rotated by picking up the convex portion and aligns the index 32a with the desired symbol 33b.
By this operation, the air volume adjusting switch 46 is switched to control the air volume adjusting fan motor.

The operation knob 31 and the operation knob 32 and their interlocking mechanism are described above. The other operation knob 61 is a wind direction adjusting knob, and the interlocking mechanism of the operation knob 61 is the above-described operation knob. The configuration is the same as 31 interlocking mechanisms.
That is, if the operation knob 61 is rotated so that the index 61a of the operation knob 61 is aligned with the symbol 62a, the interlocking gear 63, the sun gear 64, and the planetary gear 65 are interlocked, and the connecting projection 65a of the planetary gear 65 moves. Then, the inner cable 66a of the control cable 66 is pushed out or pulled back.
Thus, the air direction of the air conditioning unit is switched.
The control cable 66 has an outer cable 66b that allows the inner cable 66a to slide freely.

Further, in the cylindrical shape of the operation knob 61, there are provided push buttons 67, 68, 69 for a rear differential switch, an air conditioner switch, and an inside / outside air changeover switch.
These push buttons 67, 68, and 69 move the sliders 70a, 70b, and 70c shown in FIG. 3 by the push operation, and operate the push switches 71a, 71b, and 71c provided on the wiring board 42.

3, reference numerals 72, 73, and 74 are light guide members, 75 is a lamp for night illumination, 76 is a display plate for the symbol 62a, and 77 is a gear case.
The front base 37 and the rear base 47 are screwed, and a panel member 78 is screwed to the front surface of the front base 37.

  As described above, the air volume adjustment operation knob 32 is arranged inside the temperature adjustment operation knob 31, and the rear differential switch 67, the air conditioner switch 68, and the inside / outside air changeover switch 69 are arranged inside the airflow direction adjustment knob 61. Since the operation switches necessary for vehicle air-conditioning control can be integrated in the two cylindrical operation knobs 31 and 61, the apparatus can be downsized and the operability during operation can be achieved. Will be good.

In addition, since the air conditioning functions are concentrated and arranged, the wiring boards 42 can be combined into one and downsized, and the manufacturing cost can be reduced.
In addition to the wiring board 42, components such as the panel 78, the operation knobs 31 and 61, the front base 37, the rear base 47, and the gear cases 49 and 77 can be shared, and the manufacturing cost can be similarly reduced.

Although the preferred embodiment has been described above, the notch hole 55 formed in the planar portion 47a of the rear base 47 can be a concave groove.
That is, as shown in FIG. 10, an elongated concave groove 79 having an opening 79a at one end is formed in the planar portion 47a of the rear base 47, and the connecting projection 36a of the planetary gear 36 is formed in the concave groove. 79 is movably entered.

  And while pulling out the inner cable 66a which connected one end part to the connection protrusion 36a from the opening 79a, the outer cable 66b of this inner cable 66a is a cable holding part provided in the back side of the rear base 47, as shown in FIG. (Clamp member) 80 holds outer cable 66b.

  Although one embodiment of the present invention has been described above, an operation knob formed as one of the operation knob 61 for adjusting the wind direction or the operation knob 31 for adjusting the temperature, and a cylindrical shape of the operation knob are provided. A combination operation portion including an operation knob 32 for adjusting the air volume, the other operation knob, a rear differential switch 67, an air conditioner switch 68, and an inside / outside air changeover switch 69 provided in the cylindrical shape of the operation knob. It can be implemented as a dial-type control operation device for vehicle air conditioning in which two combination operation units are arranged.

Next, FIGS. 12, 13, and 14 show another embodiment.
The control operation device of the present embodiment is provided with a knob operation knob 81 in place of the rear differential switch 67, the air conditioner switch 68, and the inside / outside air changeover switch 69 provided in the cylindrical shape of the operation knob 61. The control cable 82 is controlled according to the rotation operation 81, and the other configuration is the same as that of the control operation device of the above-described embodiment.
12 is an exploded perspective view of the control operation device similar to FIG. 3, FIG. 13 is a cross-sectional view similar to FIG. 2 showing the interlocking mechanism of the operation knob 61, and FIG. 14 is a rear view of the control operation device according to the present embodiment. It is.

As shown in the figure, the operation knob 81 is movably provided in the cylindrical shape of the operation knob 61, and the operation knob 81 is rotated so that its index 81 a is aligned with the symbol 84 of the display board 83. The control cable 82 is operated to switch between the inside and outside air.
The display board 83 is provided with a symbol 62a for matching the index 61a of the operation knob 61.

Specifically, the knob shaft 81 b of the operation knob 81 is connected to the front end portion of the shaft 85 that is pivotally supported by the rear base 47, and the rear end portion of the shaft 85 is interlocked to control the control cable 82. A lever 86 is connected.
The control cable 82 connects the inner cable 82 a to the interlocking lever 86, and the outer cable 82 b is held by a cable holding portion 87 provided behind the rear case 47 in the lateral direction of the interlocking lever 86.
As shown in FIG. 13, in this embodiment, a small ball 89 applied with a projecting force by a spring 88 is provided in the shaft 85, and a click groove into which the small ball 89 enters is provided in the rear case 47 to provide an operation knob 81. Gives a sense of moderation to the operation.

According to the control operation device of the present embodiment, the inner cable 82a of the control cable 82 can be pushed out by turning the operation knob 81, and the inside and outside air can be switched by pulling back.
Therefore, according to the present invention, the operation knob provided inside the cylindrical operation knobs 31 and 61 can be implemented as a control operation device using a control cable as an interlocking medium in addition to an operation knob for switching an electric switch. it can,

  The present invention can be applied to a control operation device that controls the operation of an external device by rotating a dial type operation knob such as an air conditioning control operation device provided in an automobile.

It is a perspective view of the control operating device for air-conditioning of a car carried out as a double operation knob composition. It is sectional drawing of the said control operation apparatus cut | disconnected in one operation knob position. It is a disassembled perspective view of the said control operation apparatus. It is a partial top view of the said control operation apparatus. It is the partial top view which removed the gear case with which the said control operation apparatus is shown, and showed the internal structure. It is a reverse view of the said gear case. It is the fragmentary sectional view which showed the connection part of the connection protrusion of the planetary gear with which the said control operation apparatus is provided, and the inner cable of a control cable. It is the partial bottom view of the said control operation apparatus which showed the arrangement | positioning state of the control cable. (A), (B), (C) is a simplified diagram showing the turning movement position of the planetary gear when the operation knob is turned to one side, the middle, and the other side. It is sectional drawing similar to FIG. 7 which shows the concave groove which is a modification of the notch hole provided in the said control operation apparatus. It is a partial bottom view of a control operation device provided with a concave groove as a modification. It is a disassembled perspective view of the control operation apparatus which shows other embodiment. It is sectional drawing of the control operation apparatus which shows the principal part of above-described other embodiment. It is a rear view of the control operation device which is another embodiment described above. It is a front view of the control operation apparatus shown as a prior art example. It is a top view of the control operation apparatus shown as a prior art example.

Explanation of symbols

31 Operation knob for temperature adjustment 32 Operation knob for air volume adjustment 34 Interlocking gear 35 Sun gear 35a Bevel gear portion 35d Spur gear portion 36 Planetary gear 36a Interlocking protrusion 37 Front base 47 Rear base 49 Gear case 52 Inscribed gear 54 Control Cable 55 Notch hole 56 Cable holding part 61 Operation knob 67 for adjusting the wind direction Rear differential switch
68 Air conditioner switch 69 Inside / outside air selector switch

Claims (8)

An operation knob formed in a cylindrical shape;
A sun gear that rotates in conjunction with the rotation operation of the operation knob and transmits the driving force of the operation knob;
A planetary gear that moves in conjunction with the sun gear on the planar portion of the base member that rotatably supports the operation knob and the sun gear;
The base member includes an inscribed gear that guides the planetary gear in the movement direction in cooperation with the sun gear,
A cable holding part of a control cable connected to the planetary gear and operating an external device,
The dial-type control operating device, wherein the planar portion of the base member is disposed at a position deviated from a rotation center axis of the operation knob. An operation knob formed in a cylindrical shape;
A sun gear that rotates in conjunction with the rotation operation of the operation knob and transmits the driving force of the operation knob;
A planetary gear that moves in conjunction with the sun gear on the planar portion of the base member that rotatably supports the operation knob and the sun gear;
The base member includes an inscribed gear that guides the planetary gear in the movement direction in cooperation with the sun gear,
A cable holding part of a control cable connected to the planetary gear and operating an external device,
Further, a long cutout hole is formed in the planar portion of the base member, and the planetary gear is movably inserted into the cutout hole, and the control cable is connected to the back side of the planar portion. A dial-type control operating device characterized in that a connecting projection is provided. In the control operation device according to claim 2,
A long concave portion having an open end is formed in the planar portion of the base member, and the planetary gear is movably inserted into the concave portion and the control is performed in the concave portion. A dial-type control operating device comprising a connecting projection for connecting a cable. In the control operation device according to claim 2,
An operation member for performing operation control different from the operation control by the control cable is disposed in the cylindrical shape of the operation knob. In the control operation device according to claim 2,
The control cable is composed of an outer cable in which an inner cable is slidably mounted,
The base member includes a cable holding portion that fixes one end of the outer cable,
Furthermore, the planetary gear is provided with the connecting protrusion at an eccentric part away from the rotation center part,
The dial-type control operating device, wherein the cable holding portion is disposed on an extended line connecting both ends of the movement locus of the connecting projection in the rotation range of the operation knob. In the control operation device according to claim 2,
An interlocking gear comprising a bevel gear provided on the outer periphery of the cylindrical operation knob;
A planetary gear formed of a spur gear and movably disposed on the base member;
A bevel gear portion to be connected to the interlocking gear and a spur gear portion to which the planetary gear is connected with a small diameter with respect to the bevel gear portion are integrally provided, and the base gear side is disposed on the base member side. A dial-type control operating device comprising a sun gear pivotally supported on a member. An operation knob formed in a cylindrical shape;
A sun gear that rotates in conjunction with the rotation operation of the operation knob and transmits the driving force of the operation knob;
A planetary gear that moves in conjunction with the sun gear on the planar portion of the base member that rotatably supports the operation knob and the sun gear;
The base member includes a cable holding portion of a control cable that is connected to the planetary gear and operates an external device,
Further, the base member is fixed with a gear case provided with an inscribed gear for guiding the planetary gear in the movement direction in cooperation with the sun gear,
A dial-type control operation characterized in that the driving force according to the turning operation of the operation knob is transmitted to the external device through the sun gear, planetary gear, and control cable, and the operation of the external device is controlled. apparatus. In the control operation device according to claim 7,
An interlocking gear comprising a bevel gear provided on the outer periphery of a cylindrical operation knob, a planetary gear formed by a spur gear and movably disposed on the base member;
A bevel gear portion connected to the interlocking gear and a spur gear portion connected to the planetary gear, and a sun gear pivotally supported by the base member and the gear case;
The dial-type control operation device further comprises the cable holding portion arranged to drive the control cable in a direction intersecting with the rotation center axis of the operation knob.

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