JPS641528Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Field of Application] The present invention relates to a remote control cable installed in automobiles, agricultural machinery, ships, etc. for remote control purposes.

[Conventional example]

In recent years, remotely controlled equipment and devices have become more complex and used in a variety of ways. The first remote control cable is connected to the operating unit, the second remote control cable is connected to each work machine, and the first remote control cable and the second remote control cable are connected each time the work machine is replaced. .

However, in this case, the required stroke of the operated part may differ depending on the working machine to be replaced, and stroke adjustment work is required.

The stroke can be adjusted by providing a suitable stopper on the operating section or the operated section, but this is time consuming and inefficient.

〔the purpose〕

An object of the present invention is to provide a remote control cable which can be divided into parts and whose stroke can be easily adjusted by providing a stroke adjustment function to the remote control cable itself.

〔composition〕

The connecting pieces 3, 4 are attached to the inner ends of the inner cables 11, 21 of the first and second remote control cables 1, 2, and the tips of the connecting pieces 3, 4 are slidably fitted to the inner ends of the outer casings 12, 22. Hollow parts 55, 65 that can be opened
cylindrical connecting bodies 5 and 6 with openings are provided protrudingly, and the connecting piece 3 of one cable 1 and the connecting body 5 have a notch with an enlarged depth continuous to the end surface of the connecting piece 3 of one cable 1 and the connecting body 5 with their respective inner end surfaces aligned. 53 is opened perpendicularly to the axis, and the other cable 2
The connecting piece 4 and the connecting body 6 are provided with protrusions 63 whose distal ends are enlarged and can be engaged with the notches 53 of the mating connecting piece 3 and the connecting body 5. A locking member 8 is provided on the bodies 5 and 6 to prevent the coupling parts from being uncoupled, and the tip of at least one of the coupling bodies 5 and 6 is connected to the hollow part 5 of the coupling body 5.
A control pin 72 that protrudes and retracts from the connecting body 5 and whose base end protrudes and retracts from the outer end surface of the connecting body 5 is arranged so as to be slidable in the axial direction, and the base end of the control pin 72 can come into contact with the proximal end side of the connecting body 5. A stroke adjusting cylinder 7 provided with an inward flange 71 is screwed together.

[Action and effect]

The protrusion 63 of the other remote control cable is fitted into the notch 53 of one remote control cable to connect the two remote control cables, and the locking member 8 prevents the connection from coming off.

The connecting pieces 3 and 4 at the tip of the inner cable are engaged by fitting a notch 53 enlarged at the back and a protrusion 63 enlarged at the tip, and both the connecting pieces 3 and 4 slide on the connecting bodies 5 and 6. Because they fit together easily, when one inner cable is pulled or pushed, both connecting pieces 3 and 4
moves within the connecting bodies 5 and 6 as they are connected, and the movement is transmitted to the other inner cable.

The movement of the connecting pieces 3, 4 is controlled by the hollow part 5 of the connecting bodies 5, 6.
5, 65, and the amount of pin protrusion can be arbitrarily determined by the amount of tightening of the stroke adjustment cylinder 7. As a result, the stroke of the inner cable can be freely controlled. It can be adjusted to

When the locking member 8 prevents the connecting parts from coming off, and the connecting pieces 3, 4 and the connecting bodies 5, 6 are aligned with their distal ends and shifted in the direction perpendicular to the axis, both the remote control cables 1, 2 are connected. Can be easily separated.

The present invention will be specifically described below based on embodiments shown in the drawings.

Figure 9 shows the first remote control cable (hereinafter referred to as the first cable) and the second remote control cable.
The remote control cable (hereinafter referred to as the second cable) is shown connected by an intermediate connector A.

Each outer casing 1 of the first and second cables 1 and 2
The tips of 2 and 22 are the casing caps 13 and 23
is attached to the mounting walls 92, 92 by the first
The inner cable 11 of the cable 1 is connected to the operating part 9, and the inner cable 21 of the second cable 2 is connected to the operated part 91.

Inner cables 11, 21 and outer cables 12, 2 at the base ends of the first and second cables 1, 2, respectively.
2 are connected to each other by a connector A.

Connector A connects both inner cables 1 as shown in Figure 1.
A pair of connecting pieces 3 and 4 that connect the outer casings 1 and 21, a pair of connecting bodies 5 and 6 that connect the outer casings 12 and 22, a locking member 8 that maintains the engaged state of the connecting bodies, and a pair of connecting pieces 3 and 4 that connect the outer casings 12 and 21. Control pin 7 that regulates the amount of movement
2 and 72 and stroke adjustment cylinders 7 and 7 for positioning the retreating end of the pin 72.

Both connecting pieces 3 and 4 connect inner cables 11 and 21 at the center of their proximal ends, and as shown in Fig. 2, a fitting groove 31 with an enlarged depth is formed on the distal end surface of the connecting piece 3 on the first cable side. The connecting piece 3 is provided with a through hole on the diameter line thereof.

The width of the fitting groove 31 gradually increases from one end to the other, and the cross-sectional shape of the groove width is T-shaped at any position.

On the distal end surface of the connecting piece 4 on the second cable side, the tip part expands corresponding to the fitting groove 31 of the connecting piece 3 on the first cable side, and the width gradually increases from one end in the diametrical direction to the other end. A fitting protrusion 41 that expands is provided in a protruding manner.

Protrusions 32, 42 are provided on the outer peripheral surfaces of both connecting pieces 3, 4 to prevent rotation of connecting bodies 5, 6, which will be described later.

Both connecting bodies 5 and 6 are formed into a cylindrical shape whose diameter decreases in three stages from the distal end side to the proximal end side, and the distal end has a hollow portion 5 with an opening in which the connecting pieces 3 and 4 are slidably fitted.
Cylindrical bodies 50 and 60 having cables 5 and 65, the central part of which has a male threaded surface on its outer periphery and an inner cable 11 and
The screw shafts 56, 66 into which the screws 21 are slidably fitted, the base end portions of which are formed into small diameter cylindrical portions 58, 68, and the outer casings 5, 6 are fitted and fixed to the axes of the small diameter cylindrical portions 58, 68. There is.

The depths of the hollow portions 55 and 65 are set so that the connecting pieces can slide in accordance with the maximum stroke required by the connected remote control cables.

The notch 51 communicating with one end of the narrow side of the fitting groove 31 has a narrow width in the circumferential direction corresponding to the width of the groove 31, and the width of the other notch 52 in the circumferential direction corresponds to the width of the fitting groove 31. It is formed wide corresponding to one end of the side, and has a fitting groove 31 and a notch 51, as shown in FIG.
When the phases of 52 match, the notch 51 on the narrow side
A through cutout 53 is formed in which the groove width gradually expands from the groove toward the other notch 52 and whose cross-sectional shape in the width direction of the groove is T-shaped at any position.

At the tip of the connecting body 6 on the second cable 2 side, protrusions 61 and 62 with enlarged tips that fit into the notches 51 and 52 at the tip of the connecting body 5 on the first cable 1 side are diametrically opposed to each other. It is installed protrudingly.

As shown in FIG. 5, when the protrusions 61 and 62 of the connecting body 6 and the protrusions 41 of the connecting piece 4 slidably fitted into the connecting body 6 are in phase, the protruding piece 61 on the narrow side A protrusion 63 is formed whose width gradually increases toward the protrusion 62 and whose cross-sectional shape in the width direction is T-shaped at any position. 53 from a direction perpendicular to the axis, and the axes of both connecting pieces 3, 4 and both connecting bodies 5, 6 are aligned when the tapered surfaces of the side surfaces of notch 53 and protrusion 63 are in close contact with each other. They match, and the outer circumferences are aligned in a straight line.

Hollow portions 55, 65 on the tip side of both the connecting bodies 5, 6
As shown above, there are cut portions 51 and 52 and a fitting groove 3.
1. Guide grooves 54, 64 are opened in the axial direction to slidably fit the protrusions 32, 42 on the outer periphery of the connecting pieces 3, 4 with the protrusions 61, 62 and the protrusions 41 in phase; The engagement of the guide grooves 54, 64 with the protrusions 32, 42 prevents relative rotation between the connecting bodies 5, 6 when the connecting pieces 3, 4 slide in the axial direction within the connecting bodies 5, 6.

It passes through the thick part of the screw shaft of both connecting bodies 5, 6 in the axial direction, the inner end opens into the hollow part 55, 65, and the outer end connects the screw shaft 56, 66 with the small diameter cylinder part 58, 58. Guide holes 57, 67 opening in step portions 56a, 66a
are opened, and the connecting bodies 5, 6 are inserted into the holes 57, 67.
Control pins 72, 72 for regulating the amount of movement within the hollow portions 55, 65 are slidably fitted.

An enlarged head 73 is formed at the outer end of the control pin 72 to prevent the pin 72 from coming off toward the hollow portions 55 and 65.

Each screw shaft 56, 66 has an inward flange 7 on the base end side of which the enlarged head 73 of the control pin 72 collides with.
1 are screwed together, and when the adjustment cylinders are turned in the tightening direction, the control pin 72 is pushed by the flange 71 of the cylinders 7, and the control pin 72 is pushed into the hollow parts 55, 65 of the connecting bodies 5, 6. The tips of the pins 72 push the connecting pieces 3 and 4 toward the openings of the cylinders 50 and 60.

With the adjusting tube 7 closed, the end surfaces of the connecting bodies 5, 6 and the connecting pieces 3, 4 are aligned.

Chamfers 59, 6 are provided on the outer peripheral edges of the tips of both connecting bodies 5, 6.
9 is applied, and the chamfers 59 and 69 form a circumferential groove 74 with a V-shaped groove bottom at the abutting portion of both the connecting bodies 5 and 6.

A cut portion 81 is provided at one place spanning both the connecting bodies 5 and 6.
A cylindrical locking member 8 made of synthetic resin with an opening is forcibly enlarged in diameter due to the elasticity of the resin, and is fitted so as to be slidable in the axial direction.

A protrusion 82 is formed at the center of the inner surface of the locking member 8 in the width direction so as to go around the locking member 8 and fit into the circumferential groove 74 formed by the connecting bodies 5 and 6. .

However, in order to connect the first cable 1 and the second cable 2, close the adjusting tubes 7 of each other, align the ends of the connecting pieces 3, 4 and the connecting bodies 5, 6, and then connect the notch 53 and the fifth cable shown in FIG. The protrusion 63 shown in the figure is fitted from the direction orthogonal to the axis, and the axes of both the connecting pieces 3, 4 and the connecting bodies 5, 6 are aligned.

Next, the locking member 8 that has been kept on standby on one of the connecting bodies is moved in the axial direction and placed over both the connecting bodies 5 and 6, so that the protrusion 82 of the locking member 8 is inserted into both the connecting bodies 5 and 6.
6 into the circumferential groove 74 formed at the abutting portion of No. 6.

The locking member 8 has a cut portion 81 formed at one location,
In addition, because the diameter is forcibly expanded and rejected by the connecting body,
The diameter of the protrusion 82 is reduced by the amount that fits into the circumferential groove 74, and the groove 7
4 and the protrusion 82, the locking member 8 will not be displaced unless an axial force is applied to the locking member 8.

Therefore, the coupling bodies 5, 6 and the coupling pieces 3, 4 are prevented from coming out of engagement.

By turning one or both of the adjusting cylinders 7 in the loosening direction, the control pin 72 is allowed to move rearward.
The locking pieces 3, 4 whose movement is limited by the pin 72 can also move within the hollow portions 55, 65 of the connecting bodies 5, 6.

The connecting pieces 3, 4 are adjusted in proportion to the amount of loosening of the adjustment tubes 7, 7.
Therefore, the amount of sliding of the inner cables 11 and 21 is determined, and the stroke of the inner cable is adjusted by adjusting the adjustment cylinder 7.
It can be determined freely just by rotating the .

When the connecting pieces 3, 4 slide in the axial direction inside the connecting bodies 5, 6 and the end faces of the connecting bodies 5, 6 and the connecting pieces 3, 4 are misaligned, one of the connecting bodies 5, 6 will be on the butting line. The connecting piece 3 is positioned so that even if a force to shift the connecting bodies 5, 6 in a direction perpendicular to the axis is applied, the connecting piece will not become an obstacle and the connecting bodies 5, 6 will not separate.

If there is a possibility that the adjusting cylinder 7 may loosen naturally during use, it is possible to screw lock nuts (not shown) onto the screw shafts 56, 66 in advance.

In order to separate the first rope 1 and the second rope 2, the procedure is the reverse of the above, that is, the adjusting tubes 7, 7 are closed, the connecting pieces 3, 4 and the connecting bodies 5, 6 are aligned, and the distal ends of the connecting pieces 3, 4 are aligned with each other. By shifting the stop member 8 in the axial direction toward one of the coupling bodies, then holding the two coupling bodies 5 and 6 in both hands, and shifting them in the direction perpendicular to the axis in line with the direction of the notch 53 and the protrusion 63. , first cable 1 and second cable 2
can be easily separated.

FIG. 8 shows another embodiment of the locking member 8, in which a hole 83 with an enlarged depth is formed in the center of the tip of one of the connecting pieces 3, and a ball 84 and a spring 8 are inserted into the hole 83.
5 to constantly urge the ball 84 in the flying direction. The ball 84 is attached to the tip of the other connecting piece 4.
A receiving hole 86 is provided for the entry of the protruding portion.

When both the connecting pieces 3 and 4 are fitted together with the connecting bodies 5 and 6 as described above, the ball 84 is pushed by the mating connecting piece 4 and sinks into the hole 83 against the spring 85, and the connecting piece 4
When aligned with the receiving hole 86, it is fitted into the receiving hole 86 and both connecting pieces 3, 4 are softly locked.

By applying force in the opposite direction to the fitting direction, both the connecting pieces 3 and 4 can be easily disengaged.

The locking member 8 is not limited to those of the above two embodiments, and of course, various shapes, configurations, and locking methods can be adopted as long as they can prevent unexpected release of the connecting portion.

Moreover, the shape of the notch 53 formed by the connecting piece 3 and the connecting body 5 on the first cable 1 side, and the protrusion 63 consisting of the connecting piece 4 and the connecting body 6 on the second cable 2 side are as shown in the example. Any shape is acceptable as long as it can be fitted from a direction perpendicular to the axis and does not come out of engagement even when pulled in the axial direction.

Furthermore, the present invention can be modified in various ways within the scope of the claims for utility model registration.

[Brief explanation of drawings]

Figure 1 is a partially broken sectional view of the connector, Figure 2 is an oblique view of the connecting piece, Figure 3 is an oblique view of the connector and stopper pin, Figure 4 is a front view of the notch, and Figure 5. 6 is a front view of the protrusion, FIG. 6 is an oblique view of the adjustment cylinder, FIG. 7 is an oblique view of the locking member, FIG. 8 is a cross-sectional view of another embodiment of the locking member, and FIG. 9 is a view of the used locking member. It is an explanatory diagram showing a state. 3, 4... Connecting piece, 5, 6... Connecting body, 53...
...notch, 63...protrusion.

Claims (1)

[Claims for Utility Model Registration] Two remote control cables 1 and 2 formed by slidably fitting an inner cable into an outer casing are separably connected by a connector. The inner cables 11, 21 of both remote control cables 1, 2 have connection pieces 3, 4 at their inner ends, and the outer casings 12, 22 have openings at their ends into which the connection pieces are slidably fitted. Connecting bodies 5 and 6 having hollow portions 55 and 65 are provided in a protruding manner, and a notch 53 with an enlarged depth is formed on the connecting piece of one cable and the end face of the connecting body so that the inner end surfaces thereof are aligned with each other. A protrusion 63 is opened perpendicularly to the axis, and a protrusion 63 whose distal end side is enlarged in correspondence with the notch 53 of the mating connecting piece and the connecting body protrudes from the connecting piece of the other cable and the connecting body. Alternatively, a locking member 8 is provided on the connecting body to prevent the connecting parts from being uncoupled, and the distal end of at least one of the connecting bodies 5 and 6 protrudes and retracts into the hollow part of the connecting body, and the proximal end of the connecting body is disposed on the connecting body. A control pin 72 that protrudes and retracts from the outer end surface of the connecting body is disposed so as to be slidable in the axial direction, and the proximal end side of the connecting body is provided with an inward flange 71 on which the proximal end of the control pin 72 can come into contact. A remote control cable that can be divided and stroke-adjusted with an adjustable tube 7 screwed together. The locking member 8 is a cylindrical body that extends over both the connecting bodies 5 and 6 so as to be slidable in the axial direction, and has a cut portion 81 at one place. , 6, the splitting and stroke adjustable remote control cable is provided with a projecting ridge 82 that engages the chamfered portions 59, 69 formed on the outer peripheral edge of the inner end of the utility model registration claim 1. . The notch 53 is formed to be perpendicular to the axis and gradually narrow from one end to the other end, and the protrusion 63 is also formed to gradually become narrow from one end to the other corresponding to the notch 53. Scope of Claims for Utility Model Registration No. 1
A remote control cable capable of dividing and adjusting its stroke according to item 1 or 2.