JPH05570B2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a method for attaching a wire cable consisting of an outer cable and an inner cable,
In particular, the present invention relates to a method for easily attaching a wire cable to a predetermined operating member with good workability.

Conventionally, wire cables have been widely used as one of the motion transmission means, and the push/pull operation (movement) by a predetermined operating member at one end of the wire cable has been widely used.
is transmitted as a push/pull motion to an operating mechanism attached to the other end, thereby causing the operating mechanism to perform a predetermined work. For example, in air conditioners for automobiles, etc., it is considered that the wind direction plate installed at the air outlet is automatically oscillated using air pressure, etc. Generally, a diaphragm mechanism is used as the pneumatic actuation mechanism, and the actuation rod is reciprocated by predetermined air pressures (negative pressure and atmospheric pressure) applied alternately to the diaphragm mechanism, and the actuating rod is moved back and forth according to the specified air pressure (negative pressure and atmospheric pressure). The oscillating motion of the wind direction plate is performed, and the wire cable is used in such a mechanism as a transmission means for transmitting the reciprocating motion of the operating rod to the wind direction plate side.

By the way, when connecting such a wire cable to an actuating member such as an actuating rod of the diaphragm mechanism, generally, the tip of the inner cable constituting the wire cable is locked to the boss portion of the actuating member, This is accomplished by holding the vicinity of the tip of the outer cable constituting the wire cable on a predetermined stationary member. More specifically, for example, in the wind direction plate drive device of an air conditioner as described above, the tip of the inner cable of the wire cable connects to the boss of the bracket attached to the actuating rod that causes the diaphragm mechanism as the actuator to reciprocate. The end piece of the outer cable of the wire cable is placed on a stationary member such as an actuator base, and the end piece resting on the clamp is sandwiched between the stationary member and fixed. A mounting structure is being considered.

However, in such a mounting structure, unless the clamp is rotated by nearly 90 degrees relative to the stationary member and released, the end piece of the outer cable cannot be placed on the stationary member. Therefore, there is a problem that it is difficult to assemble, and there is also a problem that it is difficult to position the wire cable. Therefore, in the wire cable assembly method described above, it was necessary for the operator to perform the operation using both hands, and during the assembly, it was difficult for the operator to perform the operation. Or they are forced to do tedious work.

The present invention has been made in view of the above circumstances, and its purpose is to improve the workability of assembling wire cables, and to improve the end piece of the outer cable of such wire cables, as well as the wire cable itself. An object of the present invention is to provide a mounting method that allows reliable positioning of the parts.

In order to achieve this object, the present invention provides a wire cable consisting of an outer cable and an inner cable, in which the tip of the inner cable is locked to a boss portion of a predetermined actuating member, and the outer cable is When the outer cable is connected to the actuating member by holding the vicinity of the tip part to a predetermined stationary member, a cylindrical end piece having flanges at both ends is attached to the vicinity of the tip part of the outer cable, and , an inclined guide surface is provided at one end of two positioning ribs facing each other at a predetermined distance apart, which may be located between the flange portions at both ends of the end piece, which are provided upright on the stationary member; By locking the tip of the inner cable to the boss portion of the actuating member and rotating the wire cable including the inner cable around the boss portion, the wire cable attached to the outer cable of the wire cable is The end piece is guided in its cylindrical portion by the guide surfaces of each of the two positioning ribs so that the end piece enters and engages with the engagement recess of the positioning rib, while the guide surface of the positioning rib is provided with a guide surface of the positioning rib. A clamping means rotatably attached to the stationary member at one end side located on the opposite end side from the side where the clamping member is attached to the stationary member is rotated, and the clamping means is attached to the stationary member at the other end side of the clamping means. By snap-fitting the end piece, the cylindrical portion of the end piece is clamped by the clamping means, and movement of the end piece fitted into the engagement recess of the positioning rib in the direction away from the stationary member is restricted. I tried to force him to do so.

Therefore, according to the present invention, the wire cable has the distal end of the inner cable locked with the boss portion of the actuating member, and is rotated about the boss portion, so that the positioning rib is rotated. There is no need to rotate the clamping means by nearly 90 degrees with respect to the stationary member from the point where it is engaged with the engagement recess, and the opening is sufficient to simply fit the end piece inserted from the side. It is sufficient to provide the wire cable between the stationary member and the clamping means, and therefore, the work of locking the wire cable to the operating member and clamping and holding the wire cable to the stationary member can be done extremely easily. It was.

As described above, the ease of assembling wire cables has made it possible for workers to do the work with just one hand, thereby significantly improving the ease of assembling work. .

Moreover, the end piece has flange portions at both ends thereof, and when the flange portions are engaged with the engagement recess of the positioning rib of the end piece,
The end pieces are located outside of the positioning ribs, thereby effectively preventing the end piece, and thus the wire cable, from moving in the axial direction, thereby ensuring its positioning. .

Hereinafter, in order to clarify the present invention more specifically, the present invention will be explained in detail with reference to the drawings.

First, FIG. 1 shows an example of a wind direction plate drive device in an air conditioner, in which 2 is a diaphragm mechanism as an actuator, which is operated through a hose 6 by switching control by a solenoid valve 4. By alternately applying negative pressure and atmospheric pressure to the negative pressure chamber 8, the actuating rod 12 attached to the diaphragm 10 is caused to reciprocate in the left-right direction in the figure. Further, the diaphragm mechanism 2 is screwed to and supported by an actuator base 14, which is a stationary member, at its rod guide portion 16. The actuator base 14 is provided with a microswitch 18 that controls switching between negative pressure and atmospheric pressure by the solenoid valve 4, and a cam member that causes an input portion 20 of the microswitch 18 to intermittently move back and forth. 22
By pressing and opening the solenoid valve 4, switching control of the solenoid valve 4 is performed. The intermittent reciprocating movement of the cam member 22 causes the pin 30 erected on the cam member 22 to move against the two arm portions 26 and 28 extending laterally from the bracket 24 attached to the actuating rod 12. This can be done by intermittent contact and pressing movement.

In such a diaphragm mechanism 2, a wire cable 32 is attached to the actuating rod 12 which is caused to reciprocate, and the reciprocating motion of the actuating rod 12 is transmitted to the wind direction plate side via the wire cable 32. This can be converted into the desired oscillating motion of the wind deflector. To attach the wire cable 32 to the actuating rod 12 for this purpose, as shown in detail in FIG.
4, a ring member 36 attached to the tip of the wire cable 32 is fitted and locked.

The wire cable 32 is composed of an outer cable 38 and an inner cable 40, and the ring member 36 is attached to the tip of the inner cable 40. On the other hand, near the tip of the inner cable 40, An end piece 42 through which the outer cable 38 is penetrated is attached, and the end piece 42 is tightened and fixed to the outer cable 38 at one end side. Note that the end piece 42 has flange portions 46 and 48 at both end portions of its cylindrical body portion 44.

Further, the end piece 42 is provided on the flat surface 50 of the actuator base 14 as a stationary member.
Two positioning ribs 52, 54 are provided, which are opposed to each other at a distance shorter than the distance between the flange portions 46, 48 at both ends of the
Furthermore, the ribs 52 and 54 are provided with arcuate notches 56 and 58, respectively, which serve as engagement recesses in which the body 44 of the end piece 42 can be accommodated. Slanted guide surfaces 60 and 62 are formed at one end of each of the ribs 52 and 54, respectively.

Further, as a clamping means, a clamper 64 formed by bending a leaf spring is used as shown in FIGS. 2 and 3.
As shown in the figure, actuator base 1
In the slit hole 66 formed in the flat surface 50 of 4,
It is inserted and locked at one end and is attached so as to be able to rotate around the slit hole 66, and the other end is a plane part 68, which is snapped into the locking part 70 of the actuator base 14. It is now possible to match them.

In short, the clamper 64
The guide surfaces 60, 54 of the ribs 52, 54 are rotatably attached to the actuator base 14 at one end opposite to the side where the guide surfaces 60, 62 of the ribs 52, 54 are provided. 60,
It is designed to open on the side provided at 62.

Therefore, when attaching the wire cable 32 in such a configuration, the ring member 36 attached to the distal end of the inner cable 40 of the wire cable 32 is attached to the differential rod as shown in FIG. The wire cable 32 is fitted into the boss portion 34 of the bracket 24 attached to the tip of the wire cable 12, and the wire cable 32 is rotated in the direction of arrow A about the boss portion 34 as a rotation center.
At this time, the clamper 64 is rotated and the second
It is opened as shown in the figure, and the end piece 42 attached to the tip of the wire cable 32 can be inserted between the flat surface 50 and the clamper 64.

The wire cable 32 rotated in this way has its end piece 42 aligned with the rib 5.
It is rotated to the arcuate notches 56 and 58 of positions 2 and 54, and is fitted therein as shown in FIG. That is, the cylindrical body portion 44 of the end piece 42 has the ribs 52,
The flange portions 46, 48 at both ends of the end piece 42 are positioned outside the ribs 52, 54, respectively, and thereby Therefore, the movement of the end piece 42 in the axial direction is restricted, thereby achieving effective positioning. Note that when the wire cable 32 is rotated in the direction A to engage the arcuate notches 56 and 58 of the end piece 42, the guide surfaces 60 and 62 are arranged so that the rotation and engagement operations are advantageous. I am doing it. Further, a chamfered portion 72 is provided on the outer surface of the guide surface 62 of the outer rib 54 that is further away from the center of rotation (the boss portion 34), and thereby the end piece 42 to be rotated is provided with a chamfered portion 72. The flange portion 48 is designed to prevent interference.

As shown in FIG. 5, the end piece 42 provided at the tip of the wire cable 32 has ribs 52,
After the clamper 64 is accommodated in the notches 56 and 58, which are the engagement recesses of the clamp 64, and engaged, the clamper 64 is rotated around the slit hole 66 in which one end of the clamper 64 is locked. By snap-fitting the plane portion 68 to the locking portion 70 of the actuator base 14, the wire cable 32 (specifically, the end piece 42 portion) is attached to the rib 52, as shown in FIG. 54 and clamper 6
4 prevents its movement and extraction, thereby creating a retained state. In other words, the wire cable 32 is locked to the boss portion 34 of the bracket 24, which is the operating member, by the ring member 36 at the tip of the inner cable 40, while the end piece 42 attached to the tip portion , it is held by the actuator base 14, which is a restraining member, by the clamping action of the ribs 52, 54 and the clamper 64, and thereby,
The attachment to the bracket 24 is now complete.

In this way, by locking the wire cable 32 with the boss portion 34 of the bracket 24, which is the actuating member, at its distal end portion, and rotating it, the lower cutout portion, which is the engagement recess of the positioning ribs 52, 54, is engaged. 56, 58, and by positioning the ribs 52, 54 between the flanges 46, 48 at both ends of the end piece 42, the workability of assembling the wire cable 32 to the bracket 24 is significantly improved. Moreover, the positioning can be performed more accurately, and the positioning accuracy can be improved, and furthermore, the installation work can be easily carried out by the operator with one hand. The operation of engaging the end piece 42 with the notches 56 and 58 of the ribs 52 and 54 is different from the operation of approaching the end piece 42 from above the ribs, and the end piece 42 is inserted around the boss portion 34 of the bracket 24. This is because the end piece 42 is rotated to approach the notches 56 and 58 from the lateral direction, moved over them, and fitted together. The assembly work, together with the subsequent clamping work such as snap fitting of the clamper 64, can be relatively easily performed by the operator with one hand.

Although specific examples in which the present invention is applied to the installation of wire cables in the wind direction plate drive device of an air conditioner have been described in detail above, the present invention should not be construed as being limited to such specific examples. Needless to say, various changes, modifications, improvements, etc. can be made based on the knowledge of those skilled in the art without departing from the spirit of the present invention.

Therefore, it goes without saying that the present invention can be applied to the installation of wire cables in devices other than the illustrative wind vane driving device, and the wire cables can also be attached to bosses through ring members as illustrated. In addition to locking the
The wire cable itself can be formed with a ring-shaped part at its tip and locked to the boss, or the wire cable can be locked directly to the boss.
Furthermore, there is no problem in locking the boss portion through a suitable engagement member such as a plane member, and the shape of the positioning rib and its engagement recess, the structure of the clamping means, etc. may be changed as appropriate. Is possible.

[Brief explanation of the drawing]

FIG. 1 is a plan view (partially cut away) showing the main parts of the wind direction plate drive device in an air conditioner to which the present invention is applied, and FIG. 2 shows the mounting structure of the wire cable in the device in FIG. FIG. 3 is a cross-sectional explanatory view of the wire cable removed state for explanation, and FIG. 4, FIG. 5, and FIG. 6 are principal part plan views showing the wire cable installation process according to the present invention, respectively. It is a diagram. 2: Diaphragm mechanism, 12: Actuation rod, 1
4: Actuator base, 24: Bracket, 32: Wire cable, 34: Boss part, 3
6: Ring member, 38: Outer cable, 40:
Inner cable, 42: End piece, 44: Cylindrical body, 46, 48: Flange portion, 50: Flat surface, 52, 54: Rib, 56, 58: Arc-shaped notch, 60, 62: Guide surface, 64 : Clampa, 6
6: Slit hole, 68: Planer part, 70: Locking part, 7
2: Chamfered part.

Claims (1)

[Claims] 1. In a wire cable composed of an outer cable and an inner cable, the tip of the inner cable is locked to the boss of a predetermined actuating member, while the vicinity of the tip of the outer cable is held at a predetermined stationary position. When the wire cable is connected to the actuating member by being held by the member, a cylindrical end piece having flanges at both ends is attached near the tip of the outer cable, and a cylindrical end piece is installed upright on the stationary member. An inclined guide surface is provided at one end of two positioning ribs facing each other at a predetermined distance, which may be located between the flange portions at both ends of the end piece, and the tip of the inner cable is connected to the actuator. By locking the end piece to the boss portion of the member and rotating the wire cable including the inner cable around the boss portion, the end piece attached to the outer cable of the wire cable can be rotated into its cylindrical shape. At the portion, the guide surface of each of the two positioning ribs guides the positioning rib to enter the engagement recess of the positioning rib and engage the positioning rib,
A clamp means rotatably attached to the stationary member at one end side opposite to the side on which the guide surface of the positioning rib is provided is rotated, and the clamp means is rotated. By snap-fitting the other end to the stationary member, the cylindrical portion of the end piece is clamped by the clamping means, and the end piece fitted into the engagement recess of the positioning rib is stopped. A method for attaching a wire cable, characterized in that movement in a direction away from a member is restricted. 2. A patent in which a ring-shaped member is attached to the tip of an inner cable constituting the wire cable, and the wire cable is locked to the operating member by fitting the boss portion of the operating member into the ring-shaped member. The method according to claim 1. 3. The actuating member is a bracket attached to an actuating rod that causes the actuator to reciprocate, and the stationary member is an actuator base to which the actuator is attached. the method of.