JPH1076835A - Cable driving device, and control unit of air conditioner using the cable driving device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a cable driving device that is able to operate a control cable for a long distance without receiving any dimensional restriction, in addition to these facts that a metal mold for designing and manufacturing, a driving gear and a rack mar falls into disuse, any assemblage between these elements is not required at all and manufacturing manhours are reducible. SOLUTION: This cable driving device is composed of a case 2 formed with a slide guide part 7 consisting of a kerf along the axial direction of a case body 6 in a peripheral part 6B of this cylindrical case body 6, a rotor 3 being rotatablt housed in this case 2, rotating by the rotative operation of a operating dial 5 and formed with a grooved cam 8 on a peripheral part of a cylindrical rotor body 3A after being tilted as far as the specified angle to an axis (b) of this rotor body 3A, and a slider 4 being sliclably fitted in the grooved cam 8 and inserting its partial projection 10 slidablt into the slide guide part 7 and connected with a control cable 12 to this projection 10, respectively.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cable driving device and a control device for an air conditioner such as an automobile using the cable driving device.

[0002]

2. Description of the Related Art As a conventional cable drive device for a control device of an air conditioner such as an automobile, a Japanese Patent Application No. Sho.
There is one disclosed in Japanese Patent Application Laid-Open No. 7-205218. As shown in FIG. 13, the cable driving device includes a cable driving mechanism 33 provided on a base 31 on which a finisher 32 is provided upright at a front end. This cable driving mechanism 33
Is provided with a rotating shaft 35 rotatably penetrating the finisher 32 and held by a bearing member 36. An operating dial 34 is provided at a front end of the rotating shaft 35, and a helical tooth is provided at a rear end thereof. The driving gears 37 are respectively attached.

[0003] The cable driving mechanism 33 includes a base 31.
The guide member 38 is provided substantially parallel to the surface of the finisher 32. The guide member 38 is provided with a rack member 39 which is movable in the axial direction of the guide member 38. Rack 4 of member 39
The drive gear 37 meshes with the drive gear 0, and one end of a control cable 41 is connected to the rack member 39.

[0004] By rotating the operation dial 34, the drive gear 37 is rotated via the rotation shaft 35, the rack member 39 is moved, for example, rightward, and the control cable 41 is pulled in. The controller controls the opening of the outlet connected to the control cable 41 to increase the opening of the outlet, for example. Also,
The rack member 39 is moved to the left, the control cable 41 is pushed out, and the opening adjusting section of the outlet is operated to reduce the opening of the outlet.

[0005]

However, in the above-described conventional cable driving device, the driving gear 37 and the rack member 39 are used for the cable driving mechanism 33, and such a component is manufactured. Requires a precise design, an accurate mold is required, and the combination of the drive gear 37 and the rack member 39 is difficult.
There was a problem that it took a lot of time to manufacture.

In order to operate the control cable 41 for a long distance, the guide member 38 and the rack member 39 need to be installed longer, and the elongated guide member 38 and rack member 39 are connected to the finisher 3.
In the case where the control cable 41 is provided substantially parallel to the surface portion 2, there is a problem that the control cable 41 cannot be operated over a long distance because of dimensional restrictions in the left-right direction.

The present invention has been made in view of the above problems. The first object of the present invention is to eliminate the need for designing drive gears and rack members, and manufacturing dies. In addition, there is no need to combine a drive gear and a rack member, so that a man-hour for manufacturing can be reduced, and a cable drive device capable of operating a control cable for a long distance without dimensional restrictions is provided. is there.

A second object of the present invention is to eliminate the need for designing and manufacturing molds for the drive gears and the rack members, and to eliminate the work of assembling the drive gears and the rack members. An object of the present invention is to provide a control device for an air conditioner using a cable drive device capable of reducing man-hours and operating a control cable for a long distance without dimensional restrictions.

[0009]

According to a first aspect of the present invention, there is provided a cable driving device according to the first aspect of the present invention, wherein a cable driving device is provided on a peripheral surface of a cylindrical case main body in an axial direction of the case main body. A case formed with a slide guide portion formed of a notch along the axis, and an axial line of the rotor main body, which is rotatably housed in the case, is rotated by a rotation operation of an operation dial, and is provided on a peripheral surface of the cylindrical rotor main body. A rotor having a grooved cam inclined at a predetermined angle with respect to the grooved cam, slidably fitted to the grooved cam, partially slidably inserted into the slide guide, and inserted into the protrusion. A slider to which a control cable is connected.

With this configuration, when the operation dial is rotated, the rotor rotates and the groove cam moves across the slide guide. For this reason, the slider whose movement in the left-right direction is restricted by the slide guide moves along the slide guide, moves the control cable, and operates, for example, the opening adjuster of the outlet to operate the outlet. Is controlled.

As described above, since the drive gear and the rack member are not used for the cable drive mechanism of the cable drive device,
The design of the drive gear and the rack member and the production mold are not required, and there is no work of assembling the drive gear and the rack member, and the number of manufacturing steps can be reduced.

When the control cable is to be operated for a long distance, the groove cam may be replaced with a rotor having a large stroke by reducing the inclination angle of the groove cam with respect to the axis of the rotor, or a long rotor may be used. The control cable can be operated over a long distance without being restricted in the dimensional direction.

According to a second aspect of the present invention, there is provided a cable driving device according to the first aspect of the present invention, wherein the operation dial is rotated. A tactile means for allowing a predetermined rotation angle to be felt by touch is added.

With this configuration, not only can the same operation as the above-mentioned invention of claim 1 be obtained, but also, when the operation dial is rotated and a predetermined rotation angle is reached, the impact is operated by the touching means. It is transmitted to the finger that operates the operation dial, and the user can feel by touch that the operation dial has been rotated to a predetermined angle.

According to a third aspect of the present invention, there is provided a cable driving device according to the second aspect of the present invention, wherein the touching means is provided on an end surface of the case. A projection is provided on one of the inner surface and the end face of the rotor, and an urging body urged by elastic urging means is provided on the other, and the urging body is pressed against the projection.

With this configuration, not only can the same operation as the above-mentioned invention of claim 1 be achieved, but also the urging body can be relatively rotated by rotating the operation dial so that the urging member is relatively close to one of the protrusions. When the biasing body comes off from the end or reaches the end, or when the biasing body rides on the end from the released state, the impact is transmitted to the finger that operates the operation dial, and the operation dial Is turned to a predetermined angle so that it can be understood by touch.

According to a fourth aspect of the present invention, there is provided a cable driving device according to the first or second or third aspect of the present invention. The rotor and the slider were combined to form a unit.

With this configuration, not only can the same operation as the above-described invention of claim 1 be achieved, but also, for example, when an automatic air conditioner is used in which the output of the cable driving device is an electric signal, the electric signal is output. It is possible to replace the function with another function as if it were replaced with a unitized cable drive device.

In order to achieve the second object, a control device for an air conditioner according to a fifth aspect of the present invention includes any one of the cable driving devices according to the first to fourth aspects. It is characterized by the following.

With this configuration, the design of the drive gear and the rack member and the production mold are not required, and there is no need to combine the drive gear and the rack member, so that the number of manufacturing steps can be reduced. It is possible to provide a control device for an air conditioner using a cable drive device capable of operating a control cable for a long distance without restriction.

[0021]

Embodiments of the present invention will be described below with reference to the drawings. 1 is an exploded perspective view of a cable driving device according to the present invention, FIG. 2 is a plan view of the cable driving device, FIG. 3 is a cross-sectional view taken along line AA of FIG. 2, and FIG. It is sectional drawing which follows the -B line.

As shown in FIGS. 1 to 4, a cable driving device 1 according to the present invention includes a case 2, a rotor 3 rotatably housed in the case 2, a slider 4,
An operation dial 5 attached to the front end of the rotor 3 is roughly constituted.

The case 2 is configured such that the rear end of the cylindrical case body 6 is closed and an opening 6A is provided on the front surface. A slide guide 7 formed of a kerf along the direction a is formed.

The rotor 3 has a cylindrical rotor body 3A which can be inserted into the case 2, and a groove cam 8 is formed on a peripheral surface 3B of the rotor body 3A. The groove cam 8 is a groove having a U-shaped cross section. The groove cam 8 is formed on the peripheral surface portion 3B by being inclined forward by α degrees with respect to the axis b of the rotor body 3A. The starting end 8a is located at the front of the rotor main body 3A, the end 8b of the groove cam 8 is located at substantially the center of the rotor main body 3A, and the groove cam 8 has the starting end 8a at 0 degree.
It has a range from 0 degrees to the terminal end 8b of about 285 degrees. A dial mounting shaft 9 projects from the front end face of the rotor body 3A at the center.

The slider 4 has a slider main body 4A. The slider main body 4A is composed of a piece 9 which is slidably fitted in the groove which is the groove cam 8, and a slide comprising a cutting groove. And a projecting portion 10 slidably inserted into the guide portion 7.
When the groove cam 8 is fitted into the groove cam 8, the groove cam 8 is prevented from projecting to the peripheral surface 3B of the rotor body 3A.
And the bottom surface 9A of the piece 9 is formed into a curved surface so as to slide on the bottom surface 8c of the groove cam 8. Further, the projection 10 is provided so as to project from the center of the outer surface 9 </ b> B of the piece 9, and a locking hole 11 is formed at an end surface of the projection 10.

The rotor 3 is inserted into the case 2, and the slider 4 has its piece 9 slidably fitted in the groove cam 8. Is slidably inserted into the slide guide portion 7 and attached to the rotor 3 and the case 2. In this case, the end surface of the protrusion 10 of the slider 4 projects outward from the outer peripheral surface of the case 2, and one end of a control cable 12 such as a push-pull cable is inserted into the locking hole 11 of the protrusion 10. It is locked. The other end of the control cable 12 is connected to, for example, an opening adjuster (not shown) of an air outlet of the air conditioner. An operation dial 13 is mounted on the dial mounting shaft 9 on the front end surface of the rotor 3.

Next, the operation of the cable driving device 1 configured as described above will be described.

When the operation dial 13 is at the neutral position, the slider 4 is located at the center of the groove cam 8, and when the operation dial 13 is rotated counterclockwise, for example, the rotor 3 moves to the left. By rotating, the right half 8R from the center of the groove cam 8 moves to the left so as to cross the slide guide 7 of the case 1. As a result, the slider 4, whose movement in the left-right direction is restricted by the slide guide 7, moves rearward, and the control cable 12 is pushed rearward, so that the outlet connected to the control cable 12 opens. The degree adjuster operates, for example, to reduce the opening of the outlet.

When the operation dial 13 is rotated, for example, clockwise, the rotor 3 is rotated clockwise so that the left half 8L from the center of the groove cam 8 crosses the slide guide portion 7 of the case 2. Move to the right. For this reason, the slider 4, whose movement in the left-right direction is restricted by the slide guide section 7, moves forward and moves the control cable 1.
2 is pulled forward, and the opening adjustment section of the outlet connected to the control cable 12 operates to increase the opening of the outlet, for example.

In the cable drive device 1 configured as described above, when the stroke S is changed,
The groove cam 8 may be replaced with a rotor 3 having a different inclination angle α with respect to the axis b of the rotor body 3A. That is, when the inclination angle α is increased as shown in FIG. 5A, the stroke S becomes smaller, and when the inclination angle α is reduced as shown in FIG. 5B, the stroke S becomes larger. In this case, the length of the slide guide portion 7 is set as (4) in FIG.
Case 2 modified as in (5) is used.

In the cable driving apparatus 1 having the above-described structure, when the operation angle θ is changed, the length of the groove cam 8 (from the starting end 8a of the groove cam 8 to the end 8b of the groove cam 8) is changed. May be replaced with a rotor 3 having a different length). That is, when the length of the groove cam 8 is increased as shown in FIG. 5A, the operation angle θ is increased, and when the length of the groove cam 8 is reduced as shown in FIG. Becomes smaller.

Further, the cable driving device 1 configured as described above may be provided with a touching means so that when the operation dial 13 is rotated, a predetermined angle can be understood by touch. As shown in (1) and (2) of FIG. 7, the touching means has an arcuate shape having a curvature centered on the rotation center P of the rotor 3 on the inner surface of the closed surface portion 6C at the rear end of the case 2. A protrusion 13 is provided, and a hole 14 is provided at a position deviated from the rotation center P on the rear end face portion of the rotor 3.
4 is provided with a spring 15 as an elastic urging means and a ball 16 as an urging body, and the ball 16 is pressed against the projection 13 when the rotor 3 is assembled into the case 2.

In this case, the operation dial 13 is rotated so that the ball 16 reaches one end 13a (13b) of the projection 13 and the ball 16 is moved from the end 13a (13b). When the ball comes off or when the ball 16 rides on the end 13a (13b) from the released state, the impact is transmitted to the finger that operates the operation dial 13 and the operation dial 13 is rotated to a predetermined angle. Learn to feel. The protrusion 13 is provided on the rear end surface of the rotor 3 and the hole 14 is provided on the inner surface of the closed surface 6C at the rear end of the case 2. A certain ball 16 may be provided, and when the rotor 3 is assembled into the case 2, the ball 16 may be pressed against the protrusion 13 to constitute the touching means.

FIG. 8 shows a means for obtaining different feelings as the above-mentioned feeling means. As shown in FIG. 8A, two different heights having a curvature centered on the rotation center P of the rotor 3 are provided on the inner surface of the closed surface 6C at the rear end of the case 2 as shown in FIG. Arc-shaped protrusion 13
A, 13B are provided, and two holes 14A, 14B are provided at positions offset from the rotation center P on the rear end face of the rotor 3, and a spring 15 and a ball 16 are provided in one of the holes 14A. When the rotor 3 is assembled into the case 1 by pressing the ball 16 against the protruding portion 13A or by providing a spring 15 and a ball 16 in the other hole 14B as shown in FIG. When assembling into the case 1, the ball 16 is pressed against the protrusion 13 </ b> B, or as shown in FIG.
A and 14B are provided with a spring 15 and a ball 16, respectively, so that the ball 16 is pressed against the protrusions 13A and 13B when the rotor 3 is assembled into the case 2.

The cable driving device 1 configured as described above is housed in a housing 20 as shown in FIGS. 9 to 12 and incorporated in a control device 40 of an air conditioner (not shown). The interior of the vehicle is controlled to a desired air-conditioning state. The cable driving device 1 is used for adjusting the opening of the air outlet of the air conditioner. in this case,
The control cable 12 is led out of the housing 20 and is connected to an opening adjustment section (not shown) of an air outlet of the air conditioner. Therefore, the opening degree of the outlet is adjusted by the operation of the cable driving device 1 described above.

The front portion 20A of the housing 20 has
In addition to the operation dial 13 of the cable driving device 1,
Various switches indicating various modes, for example, a defrost switch 21, a heating / cooling switch 2,
2. Air volume adjustment dial 23 that electrically controls air volume,
Temperature control dials 24 for electrically controlling the temperature are provided.

As shown in FIG. 6, the cable driving device 1 constructed as described above is replaced with the other parts except for the operation dial 5 as shown in FIG.
Rotor 3 and slider 4 rotatably housed inside
By combining these with the unit, replacement with other functions becomes possible.

That is, when an automatic air conditioner is used in which the output of the cable driving device 1 is converted into an electric signal, the cable driving device 1-1 unitized to output the electric signal is replaced with the cable driving device 1 and the case is changed. The body 20 is mounted on the cable driving device mounting portion 25.

[0039]

As described above, according to the cable driving device according to the first aspect of the present invention, the slide guide portion is formed on the peripheral surface of the cylindrical case main body by a cut groove along the axial direction of the case main body. And a groove which is rotatably accommodated in the case, is rotated by a rotating operation of an operation dial, and is inclined at a predetermined angle with respect to an axis of the rotor body in a peripheral surface portion of the cylindrical rotor body. A rotor formed with a cam, and a slider slidably fitted to the grooved cam, a part of the protrusion being slidably inserted into the slide guide, and a control cable connected to the protrusion. With this arrangement, when the operation dial is rotated, the rotor rotates and the groove cam moves so as to cross the slide guide. For this reason, the slider whose movement in the left-right direction is restricted by the slide guide moves along the slide guide, moves the control cable, and operates, for example, the opening adjuster of the outlet to operate the outlet. Is controlled.

As described above, since the driving gear and the rack member are not used for the cable driving mechanism of the cable driving device,
The design of the drive gear and the rack member and the production mold are not required, and there is no work of assembling the drive gear and the rack member, and the number of manufacturing steps can be reduced.

When it is desired to operate the control cable for a long distance, the groove cam may be replaced with a rotor having a larger stroke by reducing the inclination angle of the groove cam with respect to the axis of the rotor, or a long rotor may be used. The control cable can be operated over a long distance without being restricted in the dimensional direction.

According to a second aspect of the present invention, there is provided the cable driving device according to the first aspect, wherein when the operation dial is rotated, a predetermined rotation angle can be sensed by touch. By adding
In addition to providing the same effect as the effect of the first aspect of the present invention, when the operation dial is rotated and a predetermined rotation angle is reached, an impact is applied to the finger that operates the operation dial by the tactile means. As a result, the user can feel that the operation dial has been rotated to a predetermined angle by touch.

According to a third aspect of the present invention, there is provided the cable driving device according to the second aspect, wherein the touching means includes an inner surface of an end surface of the case or an end surface of the rotor. The invention according to claim 1, wherein a projection is provided on one side, and an urging body urged by elastic urging means is provided on the other side, and the urging body is pressed against the projection. In addition to achieving the same effect as the effect, by rotating the operation dial, the biasing body relatively reaches one end of one or the other of the protrusion, and the biasing body is moved from the end. When it comes off, or when the biasing body rides on the end from the released state, the impact is transmitted to the finger that operates the operation dial, so that you can feel by touch that the operation dial has been rotated to a predetermined angle Become.

According to a fourth aspect of the present invention, there is provided a cable driving apparatus according to the first, second, or third aspect, wherein the case, the rotor, and the slider are combined. With this configuration, not only can the same effect as the effect of the first aspect of the present invention be achieved, but also, for example, a unit that outputs an electric signal when an automatic air conditioner in which the output of a cable drive device is an electric signal is used. It is possible to replace the function with another function as if it were replaced with a cable drive device.

According to the control apparatus for an air conditioner according to the fifth aspect of the present invention, the control apparatus for the air conditioner includes any one of the cable driving apparatuses according to the first to fourth aspects.
The design of the drive gear and rack members and the production mold are unnecessary, and there is no work to combine the drive gear and the rack members, which can reduce the number of manufacturing steps and control without dimensional restrictions. It is possible to provide a control device for an air conditioner using a cable drive device capable of operating a cable for a long distance.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a cable driving device according to the present invention.

FIG. 2 is a plan view of the cable driving device.

FIG. 3 is a sectional view taken along line AA of FIG. 2;

FIG. 4 is a sectional view taken along line BB of FIG. 2;

FIGS. 5 (1) to (5) are explanatory views of a change in stroke and a change in operation angle in the cable drive device.

FIG. 6 is an explanatory diagram of replacing the cable driving device with a unitized cable driving device that outputs an electric signal by unitizing the cable driving device.

FIG. 7A is a cross-sectional view of one embodiment of the feeling means in the cable driving device. FIG. 2B is a cross-sectional view taken along line CC of FIG.

FIG. 8 (1) is a sectional view of another embodiment of the same feeling means. (2) is a sectional view of another embodiment of the same feeling means. (3) is a sectional view of another embodiment of the same feeling means.

FIG. 9 is a front view of a control device of an air conditioner incorporating the cable drive device according to the present invention.

FIG. 10 is a plan view of the control device.

FIG. 11 is a sectional view taken along the line DD of FIG. 9;

FIG. 12 is a sectional view taken along the line EE in FIG. 9;

FIG. 13 is a plan view of a cable drive device in a control device of a conventional air conditioner.

[Explanation of symbols]

 2 Case 3 Rotor 3A Rotor body 4 Slider 5 Operation dial 6 Case body 7 Slide guide 8 Groove cam 10 Projection 12 Control cable

Claims (5)

[Claims] 1. A case in which a slide guide portion formed of a cut groove along an axial direction of the case main body is formed on a peripheral surface of a cylindrical case main body, and an operation dial rotatably housed in the case. A rotor that is rotated by a rotation operation and has a grooved cam formed at a predetermined angle with respect to the axis of the rotor main body on a peripheral surface portion of the cylindrical rotor main body; A cable driving device, comprising: a slider having a part of the protrusion slidably inserted into the slide guide and a control cable connected to the protrusion. 2. The cable driving device according to claim 1, further comprising: a tactile means for detecting a predetermined rotation angle by touch when the operation dial is rotated. 3. The sensor according to claim 1, wherein the touching means includes a projection provided on one of an inner surface of an end face of the case and an end face of the rotor, and a biasing body biased by elastic biasing means provided on the other. 3. The cable drive device according to claim 2, wherein said urging member is configured to be pressed against said protrusion. 4. The cable drive device according to claim 1, wherein the case, the rotor, and the slider are combined to form a unit. 5. A control device for an air conditioner, comprising: the cable drive device according to claim 1.