JP2014084915A - Control wire fitting structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a control wire fitting structure enabling an inner wire to be easily fitted to a movable member without requiring any large working space and without deforming the inner wire.SOLUTION: A control wire 6 comprises: an outer wire 6a fixed to a fixing member; and an inner wire 6b slidably inserted into the outer wire 6a. As a fitting structure for fitting the control wire to a lever (movable member) 3 by the inner wire 6b, the lever 3 is formed with an opening 3A that is opened toward its working direction, one end engaging part (a multi-ring 6A) of the inner wire 6b is inserted into the opening 3A and engaged there to cause the inner wire 6b to be fitted to the lever 3. In addition, the opening 3A of the lever 3 is provided with a pair of engaging catches 3a of which space becomes narrow in an inserting direction of one end engaging part (the multi-ring 6A) of the inner wire 6b.

Description

  The present invention relates to a structure for attaching a control wire, particularly an inner wire thereof, to a movable member.

  For example, the wind direction and temperature of a vehicle air conditioner are adjusted by a remote operation using an operation knob arranged in front of the driver's seat. The operation force applied to the operation knob is, for example, a rotation of a lever via a control wire. It is converted into motion, and the air direction and temperature of the air conditioner are adjusted by the rotation of the lever (see, for example, Patent Documents 1 and 2).

  By the way, the control wire is composed of an outer wire fixed to the fixed member and an inner wire slidably inserted into the outer wire, and one end of the inner wire is attached to a movable member such as a lever. As the structure for attaching the inner wire to the movable member, the structure shown in FIG. 8 or FIG. 9 has been conventionally used.

  That is, FIGS. 8 and 9 are diagrams showing the structure for attaching the inner wire to the movable member. In these drawings, (a) shows the case where the outer wire is fixed first, and (b) shows the inner wire first. It is a figure which shows the state at the time of attaching, respectively.

  In the fixing structure shown in FIG. 8, one end of the inner wire 106 b is wound in a ring shape to form a multiple ring 106 </ b> A, and the multiple ring 106 </ b> A is fitted into a mounting shaft portion 103 a protruding from the end of the movable member 103. Thus, a method of attaching one end of the inner wire 106b to the movable member 103 is adopted.

  Further, in the fixing structure shown in FIG. 9, one end of the inner wire 106 b is bent into a crank shape to form a locking portion 106 B, and this locking portion 106 B is inserted into a mounting hole 103 b formed at the end of the movable member 103. Thus, a method of attaching one end of the inner wire 106b to the movable member 103 is adopted.

JP 2009-086803 A JP 2009-208711 A

  However, in the conventional mounting structure shown in FIGS. 8 and 9, when the outer wire 106a is fixed first as shown in FIGS. 8 (a) and 9 (a), one end of the inner wire 106b is indicated by a chain line. As shown in FIG. 8A, the multiple ring 106A cannot be fitted into the mounting shaft portion 103a of the movable member 103, and in the example shown in FIG. 106B cannot be inserted into the mounting hole 103b of the movable member 103. For this reason, a load is applied to the end portion of the inner wire 106b, this portion is plastically deformed, and a large operating force is required.

  On the other hand, when the inner wire 106b is first attached to the movable member 103, a work space for the outer wire 106b (space in the direction of the arrow in the figure) is required as shown in FIGS. The end of 106b may be deformed.

  Further, in order to prevent the inner wire 106b from dropping off after being attached to the movable member 103, the attachment shaft portion 103a in the example shown in FIG. 8 and the crank-shaped locking portion 106B in the example shown in FIG. Work space is required to allow this.

  The present invention has been made in view of the above problems, and the intended process is a control wire mounting structure that can be easily mounted on a movable member without requiring a large working space and without greatly deforming the inner wire. Is to provide.

In order to achieve the above-mentioned object, the invention according to claim 1 is a control wire comprising an outer wire fixed to a fixing member and an inner wire slidably inserted into the outer wire. A structure for mounting on a movable member,
Forming an opening in the movable member in the operating direction, and inserting and locking one end locking portion of the inner wire into the opening to attach the inner wire to the movable member. Features.

  According to a second aspect of the present invention, in the first aspect of the present invention, at least a pair of latching claws that are elastically deformable so that a gap is narrowed in the insertion direction of the one-end latching portion of the inner wire at the opening of the movable member. Is provided.

  The invention according to claim 3 is characterized in that, in the invention according to claim 1 or 2, the one-end locking portion of the inner wire is formed to project in a direction perpendicular to the sliding direction of the inner wire. To do.

  According to a fourth aspect of the present invention, in the invention according to any one of the first to third aspects, the one end locking portion of the inner wire is a multiple ring configured by winding one end of the inner wire into a ring shape. And the center axis of the multiple ring is parallel to the sliding direction of the inner wire.

  The invention according to claim 5 is the invention according to claim 4, characterized in that at least one ring of the multiple rings protrudes radially outward with respect to other rings.

  According to a sixth aspect of the present invention, in the invention of the fourth or fifth aspect, a conical projecting shaft portion is formed in the opening of the movable member, and the projecting shaft portion is formed at one end of the inner wire. The ring is fitted.

  According to the first aspect of the present invention, when the inner wire is attached to the movable member, the one end locking portion of the inner wire is simply moved by moving the movable member in the operating direction or sliding the inner wire in the sliding direction. Is inserted into the opening of the movable member and locked, whereby the inner wire is attached to the movable member, so that the inner wire can be attached within the stroke. For this reason, the inner wire can be easily attached to the movable member without requiring a work space, and the inner wire is not subjected to a load at the time of attachment, so that deformation of the inner wire is prevented.

  According to the second aspect of the present invention, when the one end locking portion of the inner wire is inserted into the opening of the movable member, at least one pair of the locking claws formed in the opening is elastically deformed and the one end of the inner wire is engaged. Allow insertion of stop. Then, when the one-end locking portion of the inner wire passes through the locking claw, the locking claw returns to the original state by the elastic restoring force, and the one-end locking portion of the inner wire is locked to the locking claw. The inner wire can be easily attached to the movable member with a single touch, and the dropping of the inner wire is reliably prevented by the locking claw.

  According to the third and fourth aspects of the present invention, the one end locking portion (multiple ring) of the inner wire is formed so as to protrude in a direction perpendicular to the sliding direction of the inner wire. Without requiring any parts, the one end locking portion (multiple ring) of the inner wire is locked to the opening of the movable member and securely attached.

  According to the fifth aspect of the present invention, since at least one ring of the multiple ring constituting the one-end locking portion of the inner wire is protruded radially outward with respect to the other ring, a finger is applied to the protruding portion. It is possible to carry out the mounting work by applying and improve workability.

  According to the sixth aspect of the present invention, the conical protruding shaft portion formed in the opening of the movable member functions as a guide for inserting the inner wire multiple ring, so that the inner wire mounting workability is improved. Further, the inner wire multiple ring is fitted into the protruding shaft portion of the movable member, thereby preventing the inner wire from rattling.

It is a top view of a remote control device provided with the attachment structure of the control wire concerning the present invention. It is the A section enlarged detail drawing of FIG. It is a figure of the arrow B direction of FIG. It is a perspective view of the inner wire front-end | tip part of a control wire. It is a top view which shows the attachment procedure of the inner wire in the attachment structure of the control wire which concerns on this invention in order of the process, (a) is the state before attachment, (b) is the state in the middle of attachment, (c) is after attachment. It is a figure which shows each of these states. It is a figure of the arrow CC line direction of FIG.5 (c). It is a perspective view which shows the modification of the inner wire front-end | tip part of a control wire. It is a figure which shows the attachment structure of the conventional control wire, Comprising: (a) is a figure which shows a state at the time of fixing an outer wire first, (b) is a figure at the time of attaching an inner wire first, respectively. It is a figure which shows the attachment structure of the conventional control wire, Comprising: (a) is a figure which shows a state at the time of fixing an outer wire first, (b) is a figure at the time of attaching an inner wire first, respectively.

  Embodiments of the present invention will be described below with reference to the accompanying drawings.

  FIG. 1 is a plan view of a remote control device having a control wire mounting structure according to the present invention, FIG. 2 is an enlarged detail view of part A in FIG. 1, FIG. 3 is a view in the direction of arrow B in FIG. It is a perspective view of the inner wire front-end | tip part of a wire.

  A remote control device 1 shown in FIG. 1 is for adjusting, for example, the wind direction of an air conditioner mounted on a vehicle. A base 3 that is a fixed member has a lever 3 that is a movable member and a shaft 4 that has an intermediate portion. Is provided so as to be rotatable. An operation knob 5 is integrally formed at one end (the upper end in FIG. 1) of the lever 3, and one end of the control wire 6 is attached to the other end of the lever 3 by the mounting structure according to the present invention. ing.

  The control wire 6 includes an outer wire 6a fixed to the base 2 by a clamp member 7, and an inner wire 6b slidably inserted into the outer wire 6a. The inner wire 6b The other end is connected to an air conditioner (not shown) which is an external device.

  Next, the structure for attaching the inner wire 6b of the control wire 6 to the lever 3 according to the present invention will be described below with reference to FIGS.

  As shown in FIGS. 2 and 3, at one end of the lever 3, an opening 3 </ b> A is formed that opens upward in the operating direction of the lever 3 (right side in FIG. 2) and upward. 3A includes a pair of elastically deformable locking claws whose intervals are narrowed in the insertion direction (left side of FIG. 2) of one end locking portion (multiple ring 6A (see FIG. 4) described later) of the inner wire 6b. 3a is integrally formed. And the latching step part 3a1 is formed in the front end surface (free end surface) of these latching claws 3a, respectively.

  Further, the opening 3A of the lever 3 is located between the pair of locking claws 3a and tapers in a direction opposite to the insertion direction (right side in FIG. 2) of the one end locking portion of the inner wire 6b. A conical protruding shaft portion 3b is integrally formed.

  Furthermore, a substantially rectangular rib-shaped protrusion 3c is integrally provided on the side end (left end in FIG. 2) opposite to the side where the opening 3A at one end of the lever 3 opens.

  On the other hand, as shown in FIG. 4, at one end of the inner wire 6b, a multiple ring 6A is formed by winding one end of the inner wire 6b as a locking portion in a ring shape and bending it at a right angle. The multiple ring 6A is formed so as to protrude in a direction perpendicular to the sliding direction of the inner wire 6b, and the center axis thereof is formed to be parallel to the sliding direction of the inner wire 6b.

  Next, the mounting procedure of the inner wire 6b in the mounting structure of the control wire 6 according to the present invention will be described below with reference to FIGS.

  5A and 5B are plan views showing the inner wire attachment procedure in the control wire attachment structure according to the present invention in the order of the steps, wherein FIG. 5A is a state before attachment, FIG. 5B is a state during attachment, and FIG. FIG. 6 is a view showing a state after attachment, and FIG. 6 is a view taken along the line CC of FIG. 5C. 5 and 6 schematically show the mounting procedure of the inner wire 6b, and the shape of the lever 3 is different from that shown in FIG.

  FIG. 5 (a) shows a state before mounting. Since the opening 3A of the lever 3 opens toward the operating direction of the lever 3, it faces the multiple ring 6A formed at one end of the inner wire 8b. doing. Accordingly, when the lever 3 is rotated counterclockwise in FIG. 5A around the shaft 4, or the inner wire 6b is slid to the left in FIG. 5A, one end of the inner wire 6b is As shown in FIG. 5B, the multiple ring 6A engages with a pair of locking claws 3a provided in the opening 3A of the lever 3, and the multiple ring 3A opens while expanding the pair of locking claws 3a. The inside of the part 3A is inserted. At this time, the pair of latching claws 3a are elastically deformed and expanded to allow insertion of the multiple ring 6A of the inner wire 6b. Further, since the multiple ring 6A of the inner wire 6b is inserted into the conical protruding shaft 3b formed integrally with the opening 3A of the lever 3, the protruding shaft 3b guides the multiple ring 6A. The multiple ring 6A is smoothly inserted along the protruding shaft portion 3b. In addition, when performing this operation | work, an attachment operation | work can be easily performed by hooking a finger | toe on the projection part 3c erected integrally with the lever 3. FIG.

  Further, when it is necessary to remove the inner wire 6b from the lever 3 due to repair or replacement of the remote control device 1, the lever 3 is centered on the shaft 4 in a state where the pair of locking claws 3a are expanded as shown in FIG. It is only necessary to rotate it clockwise in a) or move the inner wire 6b to the right in FIG.

  When the multiple ring 6A at one end of the inner wire 6b passes through the pair of locking claws 3a as shown in FIG. 5 (c), the pair of locking claws 3a is restored to the original state by elastic restoring force at that time. Therefore, the multiple ring 6A is prevented from moving in the pull-out direction (axial direction) by the locking step portion 3a1 formed on the tip surface of the pair of locking claws 3a. And since the movement of the inner wire 6b in the radial direction is blocked by the multiple ring 6A and the protruding shaft portion 3b, the inner wire 6b is reliably prevented from falling off. As a result, one end of the inner wire 6b can be easily and reliably attached to one end of the lever 3 via the multiple ring 6A with one touch. In this state, when the multiple ring 6A of the inner wire 6n is locked, the multiple ring 6A is fitted to the protruding shaft portion 3b of the lever 3 as shown in FIG. 6, so that rattling of the inner wire 6b is prevented. Can be removed.

  As described above, according to the mounting structure according to the present invention, when the inner wire 6b is attached to the lever 3, the lever 3 is moved in the operating direction or the inner wire 6b is simply slid in the sliding direction. Since the multiple ring 6A formed at one end of the inner wire 6b is inserted into the opening 3A of the lever 3 and locked by the locking claw 3a, thereby the inner wire 6b is attached to one end of the lever 3, the inner wire 6b can be mounted within the stroke. For this reason, the inner wire 6b can be easily attached to the lever 3 without requiring a work space, and the inner wire 6b is not subjected to a load at the time of attachment, so that deformation of the inner wire 6b is prevented.

  In the present embodiment, the multiple ring 6A formed at one end of the inner wire 6b is formed so as to protrude in a direction perpendicular to the sliding direction of the inner wire 6b. The multiple ring 6A of the inner wire 6b is inserted into the opening 3A of the lever 3 and locked by the locking claw 3a, so that the inner wire 6b is securely attached to the lever 3.

  Here, if at least one ring 6A1 of the multiple ring 6A formed at one end of the inner wire 6b protrudes radially outward from the other ring 6A2 as shown in FIG. 7, the protruding ring Since the attachment work can be performed by placing a finger on 6A1, the workability of the attachment is further enhanced.

  In the above, the control wire mounting structure in the remote control device for remotely controlling the air conditioner of the vehicle has been described, but the present invention is similarly applied to the control wire mounting structure in any other remote control device. Of course, it is possible.

1 Remote control device 2 Base (fixing member)
3 Lever (movable member)
3A Lever opening 3a Lever locking claw 3a1 Locking claw locking step 3b Lever protruding shaft 3c Lever projection 4 Axis 5 Operation knob 6 Control wire 6A Multiple ring (locking portion) of inner wire
6a Outer wire 6b Inner wire 7 Clamp member

Claims (6)

A structure for attaching the inner wire to the movable member of the control wire composed of an outer wire fixed to the fixing member and an inner wire slidably inserted into the outer wire,
Forming an opening in the movable member in the operating direction, and inserting and locking one end locking portion of the inner wire into the opening to attach the inner wire to the movable member. Characteristic control wire mounting structure.   2. The control wire according to claim 1, wherein at least a pair of latching claws capable of being elastically deformed are provided in the opening portion of the movable member so that a distance in the insertion direction of the one-end latching portion of the inner wire is narrowed. Mounting structure.   3. The control wire mounting structure according to claim 1, wherein one end locking portion of the inner wire protrudes in a direction perpendicular to the sliding direction of the inner wire.   One end locking portion of the inner wire is constituted by a multiple ring formed by winding one end of the inner wire in a ring shape, and the central axis of the multiple ring is parallel to the sliding direction of the inner wire. The attachment structure of the control wire according to any one of claims 1 to 3.   The control wire mounting structure according to claim 4, wherein at least one of the multiple rings protrudes radially outward with respect to another ring. 6. A conical protruding shaft portion is formed in the opening of the movable member, and a multiple ring formed at one end of the inner wire is fitted into the protruding shaft portion. Control wire mounting structure.

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