JP2002339942A - Outer cable structure for double-track type cable - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a low-cost outer cable structure having superior assembling workability and small sliding resistance in the outer cable structure of a double- track type cable. SOLUTION: This outer cable structure of the double-track type cable used when remotely operating a device by driving a driven side pulley in the device side from a pulley in an operation side via the cable is so formed that the outer cable 13 is integrally formed with a tube having two holes 14 and 14' capable of inserting reciprocating part of a looped inner wire 12 respectively.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an outer cable structure of a double-wire cable. More specifically, the present invention relates to a structure of an outer cable used as a double-wire cable for transmitting a driving force from a pulley on an operation side to a pulley on a driven side of the device when a certain device is remotely controlled by a cable.

[0002]

2. Description of the Related Art Conventionally, when a certain device (for example, a heater control for a vehicle) is remotely controlled by a cable, a mechanism as shown in FIGS. 3A and 3B is used. To explain this, in FIG. 1A, reference numeral 1 denotes an operation side pulley rotatably provided by an operation lever or the like (not shown), and reference numeral 2 denotes a driven side pulley provided in a device (not shown). . A loop-shaped inner cable 3 extends between the pulley 1 on the operation side and the pulley 2 on the driven side.

[0003] As shown in FIG.
Two slidable outer cables 4, 4 'and two cable ends 5, 5' for engaging the pulley on the operating side or the driven side are provided.

The pulley 1 on the operating side and the pulley 2 on the driven side are formed with an annular groove for guiding the cable and a concave portion 6 for engaging the cable end. The cable 3 is hung between the operation side pulley 1 and the driven side pulley 2, and one of the cable ends 5 is engaged with the concave portion 6 of the operation side pulley 1, and the other is inserted into the concave portion 6 of the driven side pulley 2. Are engaged. Therefore, when the operation side pulley 1 is rotated, the drive side pulley 2 can be rotated in the same direction via the inner cable 3.

FIG. 3B shows another example of the conventional example. This includes a pulley 1 on the operation side, a pulley 2 on the driven side provided in a device (not shown), and an inner cable 3 looped between the pulley 1 on the operation side and the pulley 2 on the driven side. This is similar to the conventional example described with reference to FIG. 3A, except that two reciprocating inner cables 3 are collectively accommodated in one outer cable 4.

[0006]

In the above-mentioned conventional cable mechanism for remote operation, the cable mechanism described with reference to FIG. 3A is expensive because the number of outer cables 4 is two. There is a problem that the work pieces are separated at the time of handling and the workability is poor. FIG. 3 (b)
Described in the above, one hole of the outer cable
Since the inner cables pass through each other, there is a problem that the inner cables constantly rub against each other, the sliding of the inner cables is deteriorated, the operation load is increased, and the durability is deteriorated.

The present invention has been made in view of the above-mentioned conventional problems, and has as its object to realize an outer cable structure of a double-wire type cable which can be manufactured at low cost, has good workability in assembling, and has low sliding resistance. .

[0008]

The outer cable structure of the double-wire cable according to the first aspect of the present invention is used when the driven pulley on the apparatus side is driven remotely from the pulley on the operation side via a cable. An outer cable structure in a double-wire cable, wherein the outer cable 1
No. 3 is characterized by integrally forming a tube having two holes 14, 14 'through which the reciprocating portion of the loop-shaped inner wire 12 can be inserted respectively. A second aspect of the present invention is characterized in that the outer cable 13 is formed of a resin having a small coefficient of friction with respect to the inner cable 12.

By adopting this configuration, at low cost,
An outer cable structure with good workability in assembly and low sliding resistance can be obtained.

[0010]

FIG. 1 is a view showing an embodiment of an outer cable structure of a double-wire cable according to the present invention.
FIG. 2 is a perspective view showing an operation side pulley, a driven side pulley, and an inner cable, and FIG. 2B is a diagram showing an outer cable of the present embodiment. In FIG. 1A, reference numeral 10 denotes an operation side pulley, 11 denotes a driven side pulley, and an inner cable 12 formed in a loop shape is looped between the operation side pulley 10 and the driven side pulley 11. I have. The reciprocating portion of the inner cable 12 is slidably inserted through the hole of the outer cable 13 of the present invention.

The outer cable 13 of the present invention has two holes 1 for inserting an inner cable as shown in FIG.
Tubes provided in parallel with each other are integrally formed of resin. As the resin, those having a small coefficient of friction with respect to the inner cable are preferable, and for example, polyethylene, polypropylene, Teflon ^{™ and the} like are used. The formation is performed by resin extrusion molding.

The remote control mechanism including the outer cable 13 of the present embodiment is configured as shown in FIG. That is, first, as shown in FIG. 2A, a cable end 15 is formed at the center of the inner cable 12 having a predetermined length by die casting. At this time, the inner cable 1
2 is insert-molded in the cable end 15.

Next, as shown in FIG. 2B, the inner cable 12 is inserted into the separate holes 14 and 14 'of the outer cable 13 from both ends. Then, holes 14, 14 '
2 (c), the ends of the inner cable 12 are formed into a ring shape as shown in FIG. 2 (c), and a cable end 15 'is formed by die-casting at a portion where the ends of the cable contact each other. Connect and secure. As a result, the inner cable 12 has no break and forms a loop.

As shown in FIG. 1A, the inner cable 12 formed in a loop is wound between the operating pulley 10 and the driven pulley 11, as shown in FIG. The cable ends 15 and 15 'are inserted into the recess 16 of the operation side pulley 10 and the recess 16' of the driven side pulley, respectively.

The remote control mechanism including the inner cable according to the present embodiment having the above-described configuration includes a pulley 1 on the operation side.
If 0 is rotated clockwise or counterclockwise, the driving force is transmitted to the driven pulley 11 by the inner cable 12, and the driven pulley 11 can be rotated clockwise or counterclockwise. it can. In this manner, the driven pulley 11 can be driven by the operating pulley 10 to remotely control a device (not shown) operated by the driven pulley 11.

At this time, the reciprocating portion of the inner cable 12 is provided with separate holes 14 provided in the outer cable 13.
Since the cables are inserted through the cable 14 ', the cables do not rub against each other, so that the slidability and durability do not deteriorate. In the above-described embodiment, two holes for cable insertion are used. However, when a plurality of inner cables are used, a plurality of sets of holes can be provided.

[0017]

According to the outer cable structure of the double-wire cable of the present invention, the number of outer cables is one and the number of holes for inserting the inner cable is two.
An outer cable structure that can be manufactured at low cost, has good workability in assembling, and has low sliding resistance can be obtained.

[Brief description of the drawings]

FIG. 1 is a view showing an embodiment of an outer cable structure of a double-wire cable according to the present invention, wherein (a) is a perspective view showing an operating pulley, a driven pulley, and an inner cable;
(B) is a perspective view of the outer cable.

FIG. 2 is a diagram for explaining an assembling sequence of a remote control mechanism including an embodiment of an outer cable structure of a double-wire cable according to the present invention.

FIG. 3 is a diagram showing an example of a conventional remote control mechanism using a cable.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 ... Operation side pulley 11 ... Driven side pulley 12 ... Inner cable 13 ... Outer cable 14, 14 '... Cable insertion hole 15, 15' ... Cable end 16 ... Recess

Continuation of the front page F term (reference) 3J032 AB01 BB05 BB10 3J062 AA01 AB16 AC09 BA01 CA02 CA12

Claims (2)

[Claims] An outer cable structure in a double-wire cable used when a driven pulley on an apparatus side is driven remotely from a pulley on an operation side via a cable, and the outer cable (13) is a loop. An outer cable structure for a double-wire cable, wherein a tube having two holes (14, 14 ') through which reciprocating portions of the inner wire (12) can be respectively inserted is integrally formed. 2. The outer cable structure according to claim 1, wherein the outer cable is formed of a resin having a small coefficient of friction with respect to the inner cable.