JP2014009708A - Control cable connection structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a control cable connection structure capable of reducing the number of components, improving workability for connection, and suppressing an occurrence of play.SOLUTION: A slider 20 to be moved in a case 16 attached to an end part of a first outer cable 12 is attached to an end part of a first inner cable 14 movably inserted into an inside of the first outer cable 12. An engagement part 28 is attached to an end part of a second inner cable 26 movably inserted into the inside of a second outer cable 24 and the engagement part 28 is engaged with a recessed part 34 formed on the slider 20. An inclined plane 40 over which the engagement part 28 is slid and introduced to the recessed part 34 and a groove part 42 into which the second inner cable 26 is inserted are formed on the slider 20. A spring 30 stands between a cap 18 and an end part of the slider 20, and when the engagement part 28 is slid on the inclined plane 40, pushing of the slider 20 is suppressed.

Description

  The present invention relates to a control cable connection structure.

  Patent Document 1 below discloses a structure in which an end portion of an inner cable is provided with a blade-like end portion (spring piece) that can be elastically deformed, and the end portion is connected to a joint piece that can slide in the case. . In this structure, a locking member is used to lock the joint piece so that it does not move in the case during connection work, and the blade-like end portion is elastically deformed and inserted into the hole portion of the joint piece locking portion. Is locked to the locking portion by elastic restoring force. Thereafter, the joint piece can be moved in the case by releasing the lock of the joint piece by the lock member.

JP 2008-101718 A

  However, the structure described in Patent Document 1 requires a blade-like end portion, a lock member, and the like, which increases the number of parts. In particular, since the blade-shaped end portion is locked to the locking portion of the joint piece and receives a load at the blade-shaped end portion after connection, the blade-shaped end portion needs to be formed of a material having high strength. That is, the blade-shaped end portion is required to have a function of being elastically deformed with a load as low as possible when being inserted into the hole of the engaging portion of the joint piece and capable of withstanding a strong load after connection.

  Further, the movement of the joint piece in the case is locked using a locking member during the connecting operation, and the blade-shaped end portion is locked to the locking portion, and then the joint piece is unlocked by the locking member. For this reason, the man-hour at the time of connection work increases, and there is room for improvement.

  Furthermore, since the joint piece can move freely in the case, there is a possibility that rattling occurs when the tension of the inner cable is lowered.

  In view of the above facts, an object of the present invention is to obtain a control cable connection structure that has a small number of parts, improves workability at the time of connection, and can suppress the occurrence of backlash.

  The control cable connection structure according to the invention of claim 1 is provided at a first inner cable that is movably inserted into the first outer cable, and at an end of the first inner cable. Provided at the end of the slider attached to the end and moving inside the case and the second inner cable movably inserted into the second outer cable, and engaged with the engaged portion formed on the slider. And an engagement portion that connects the end portion of the second inner cable and the slider, and a wall portion that is provided in the slider and has a groove portion through which the second inner cable is inserted. A guide surface that is formed on the wall portion and that the engaging portion slides over and guides to the engaged portion, an end portion side wall of the first outer cable, and an end portion of the slider It is interposed between, having a spring member for suppressing the pushing of the slider when the engaging portion rides over slides the guide surface.

  In the control cable connection structure according to claim 1, the first inner cable is movably inserted into the first outer cable, and the slider provided at the end of the first inner cable includes the first outer cable. Move in the case attached to the end of the. At the end of the second inner cable that is movably inserted into the second outer cable, an engaging portion is provided, and the engaging portion is engaged with the engaged portion of the slider. The end of the second inner cable and the slider are connected. The slider is provided with a wall portion formed with a groove portion through which the second inner cable is inserted at the center, and when the engaging portion is engaged with the engaged portion of the slider, the second inner cable is inserted into the groove portion. Is inserted.

  When the engaging part is engaged with the engaged part of the slider, the engaging part slides on the guide surface formed on the wall of the slider and is guided to the engaged part over the guide surface. Thus, the engaging portion is engaged with the engaged portion. At that time, a spring member is interposed between the end portion side wall of the first outer cable and the end portion of the slider, and when the engaging portion slides over the guide surface, the spring member The pushing of the slider is suppressed. For this reason, an engaging part can be easily engaged with the to-be-engaged part of a slider, and workability | operativity when connecting the edge part of a 2nd inner cable to a slider improves. Further, the number of parts is reduced as compared with the conventional structure using the blade-shaped end portion. Furthermore, when the engaging portion is engaged with the engaged portion of the slider, it is possible to suppress the play of the slider by the spring member.

  According to a second aspect of the present invention, in the control cable connecting structure according to the first aspect, the guide surface is directed from the end of the slider opposite to the first inner cable toward the engaged portion. It is an inclined surface or a curved surface formed so as to have an upward slope.

  In the control cable connection structure according to claim 2, the guide surface is an inclined surface formed so as to have an upward slope from the end of the slider opposite to the first inner cable toward the engaged portion, or Since it is a curved surface, the engaging portion smoothly slides on the guide surface of the slider, gets over the guide surface, and is guided to the engaged portion.

  According to a third aspect of the present invention, in the control cable coupling structure according to the first or second aspect, the engaged portion is a concave portion with which the engaging portion is engaged, The wall on the second inner cable side is a vertical wall surface of the wall portion cut off from the top of the guide surface.

  In the control cable connection structure according to claim 3, the engaged portion is a concave portion with which the engaging portion engages, and the wall on the second inner cable side of the concave portion is a wall cut off from the top portion of the guide surface. Since the engaging portion slides on the guide surface and climbs over the top of the guide surface, the engaging portion can be smoothly engaged with the concave portion having the vertical wall surface.

  According to a fourth aspect of the present invention, in the control cable connecting structure according to any one of the first to third aspects, the second inner cable includes the engaging portion at the engaged portion. A stopper is provided that does not interfere with the second outer cable when engaged and prevents the second inner cable from being pulled into the second outer cable.

  In the control cable connection structure according to claim 4, the second inner cable is provided with a stopper for preventing the second inner cable from being drawn into the second outer cable, and the engaging portion is guided by the slider. When the surface is slid and engaged with the engaged portion, the position of the engaging portion of the second inner cable is stabilized by the stopper. For this reason, the workability | operativity at the time of a connection can be improved further.

  According to a fifth aspect of the present invention, in the control cable connection structure according to any one of the first to fourth aspects, the case includes the case where the engagement portion gets over the guide surface when the engagement portion gets over the guide surface. An opening is formed so that the engaging portion does not interfere.

  In the control cable connection structure according to claim 5, when the engaging portion gets over the guide surface of the slider, the engaging portion once protrudes from the opening formed in the case to the outside of the case, and then the engaging portion is It is possible to engage with the engaged portion of the slider. For this reason, the enlargement of a case can be suppressed.

  The invention according to claim 6 is the control cable connection structure according to any one of claims 1 to 5, wherein a protrusion provided on the outer wall of the slider along the moving direction of the slider; The projection is provided on an inner wall of the case, the projection is movably inserted, and a concave guide for guiding the slider.

  In the control cable connection structure according to claim 6, the protrusion is provided on the outer wall of the slider along the moving direction of the slider, and the protrusion is inserted into the concave guide provided on the inner wall of the case. The slider is guided by moving in the state. Since the protrusion of the slider is inserted into the concave guide portion, the slider rotates in the case when the engaging portion slides on the guide surface of the slider and engages with the engaged portion. It can suppress, and can improve the workability | operativity at the time of a connection further.

  A seventh aspect of the present invention is the control cable connection structure according to any one of the first to sixth aspects, wherein the engaging portion is provided at the end of the second outer cable. A cap is provided that is attached to the case when engaged with the joint.

  In the control cable connection structure according to claim 7, a cap is provided at an end of the second outer cable, and the cap is attached to the case when the engaging portion is engaged with the engaged portion. . Thereby, it can suppress that the edge part of a 2nd outer cable remove | deviates from a case.

  According to the control cable connection structure according to the present invention, the number of parts is small, workability at the time of connection is improved, and occurrence of backlash can be suppressed.

It is a perspective view which shows the connection apparatus with which the control cable connection structure concerning one Embodiment was applied, Comprising: It is a perspective view which shows the state before connection with the engaging part of a 2nd inner cable, and a slider. It is a disassembled perspective view which shows the structure used for the coupling device shown in FIG. It is a perspective view which shows the structure of the slider used for the coupling device shown in FIG. It is a perspective view of the connecting device shown in FIG. 1, and is a perspective view showing a state after the engaging portion of the second inner cable and the slider are connected. It is sectional drawing which shows the state before connecting the engaging part and slider of a 2nd inner cable in the connection apparatus shown in FIG. It is sectional drawing which shows the process which connects the engaging part and slider of a 2nd inner cable in the connection apparatus shown in FIG. It is sectional drawing which shows the state after connecting the engaging part and slider of the 2nd inner cable in the connection apparatus shown in FIG.

  Hereinafter, an embodiment of a control cable connection structure according to the present invention will be described with reference to FIGS.

  FIG. 1 is a perspective view showing a state before connection of a connection device 100 to which the control cable connection structure of one embodiment is applied. FIG. 4 is a perspective view showing a state after the coupling device 100 shown in FIG. 1 is coupled. FIG. 5 is a sectional view showing a state before the connection of the connecting device 100 shown in FIG.

  As shown in FIGS. 1, 4 and 5, the connecting device 100 connects a first control cable 102 extending from one side and a second control cable 104 extending from the other side. The first control cable 102 includes a first outer cable 12 and a first inner cable 14 that is inserted into the first outer cable 12 so as to be movable in the axial direction. The coupling device 100 includes a case 16 attached to the end portion of the first outer cable 12 and a slider 20 provided at the end portion of the first inner cable 14 and moving in the case 16.

  The second control cable 104 includes a second outer cable 24 and a second inner cable 26 that is inserted into the second outer cable 24 so as to be movable in the axial direction. An engaging portion 28 is fixed to the end portion of the second inner cable 26. As will be described later, the engaging portion 28 of the second inner cable 26 is engaged with the slider 20, so that the second inner cable 26 is engaged. The end of the cable 26 and the slider 20 are connected.

  As shown in FIGS. 1 and 4, the case 16 is formed in a substantially cylindrical shape, and a cap 18 fixed to the end of the first outer cable 12 is provided at one end of the case 16 in the axial direction. It is attached. The cap 18 is disposed at a position adjacent to the cylindrical covering portion 18A engaged with the entire periphery of the case 16, the cylindrical portion 18B, and the cylindrical portion 18B having a diameter smaller than the outer peripheral surface of the covering portion 18A. And a small-diameter portion 18C that has a smaller diameter than the outer peripheral surface of the cylindrical portion 18B and extends toward the outer peripheral surface of the first outer cable 12. The small-diameter portion 18C of the cap 18 is fixed to the first outer cable 12 by a fixture 22 (for example, a caulking tool) in a state where the small-diameter portion 18C is extrapolated to the outer peripheral surface of the first outer cable 12 (see FIG. 5). ).

  A locking portion 32 having a larger diameter than the outer periphery of the first inner cable 14 is provided at the end of the first inner cable 14 (see FIGS. 2 and 5). The slider 20 is formed in a box shape, and includes a concave portion (engaged portion) 34 that is open on the upper side in FIG. At one end in the axial direction of the slider 20, a recess 35 having a vertical wall 35 </ b> A on which the locking portion 32 of the first inner cable 14 is locked is formed at a position communicating with the concave portion 34. The length of the concave portion 35 in the width direction (the length in the direction orthogonal to the axial direction of the slider 20 in FIGS. 1 and 2) is formed smaller than the length of the concave portion 34 in the width direction. Further, the length in the width direction of the recess 35 is formed to be slightly larger than the length in the width direction of the locking portion 32, and the locking portion 32 can be inserted into the recess 35. A slit (not shown) into which the first inner cable 14 is inserted is formed on the side of the vertical wall 35 </ b> A of the concave portion 35. The first inner cable 14 is inserted into the slit and the locking portion 32 is inserted into the vertical direction of the concave portion 35. The slider 20 is attached to the end of the first inner cable 14 by being locked to the wall 35A.

  A cylindrical protrusion 20A that protrudes toward the first outer cable 12 is provided on the outer wall of one end of the slider 20 in the axial direction. A part of the concave portion 35 extends in the protruding portion 20A. In the case 16, a spring 30 is interposed as a spring member between the vertical wall of the cap 18 (the wall on the end portion side of the first outer cable 12) and one end portion of the slider 20 in the axial direction. As shown in FIG. 5, in the present embodiment, one end of a spring 30 is fitted into the outer periphery of a cylindrical portion 18 </ b> D formed in the covering portion 18 </ b> A of the cap 18, and the outer periphery of the columnar protruding portion 20 </ b> A of the slider 20. The other end of the spring 30 is fitted in

  In the present embodiment, the spring 30 is interposed between the vertical wall of the cap 18 and one end of the slider 20 in the axial direction. However, the present invention is not limited to this, and the end of the first outer cable 12 in the case 16 is used. A configuration may be adopted in which a spring is interposed between the wall on the part side and one end portion of the slider 20 in the axial direction.

  In the connecting device 100 according to the present embodiment, the spring 30 is slightly compressed in the axial direction in a state where the locking portion 32 of the first inner cable 14 is locked to the vertical wall 35A of the concave portion 35 of the slider 20. It is set.

  As shown in FIG. 2, protrusions 36 projecting outward in the width direction are formed along the axial direction (movement direction of the slider 20) on the outer walls 20 </ b> B on both sides in the width direction of the slider 20. In the present embodiment, the protrusion 36 is formed in a substantially rectangular shape. On the inner wall surfaces on both sides of the case 16 in the width direction, concave guide portions 38 are formed. The guide portion 38 is formed along the axial direction of the case 16, and a lateral wall 38 </ b> A is formed on the upper and lower portions of the guide portion 38 (see FIG. 5). In FIG. 2, the guide portion 38 on the near side of the inner wall surface of the case 16 is not shown.

  In the coupling device 100, the protrusions 36 move along the guide portions 38 in a state where the protrusions 36 on both sides in the width direction of the slider 20 are inserted into the guide portions 38 on both sides in the width direction of the case 16, and the slider 20 is guided. It is like that. Further, since the protrusion 36 of the slider 20 is inserted into the guide portion 38 of the case 16, the rotation of the slider 20 within the case 16 is prevented.

  As shown in FIGS. 1, 3, and 5, the slider 20 is formed with the concave portion (engaged portion) 34 that is open on the upper side in the figure. An engaging portion 28 fixed to the end portion of the two inner cable 26 is engaged. A vertical wall surface 34 </ b> A is formed on the opposite side of the recessed portion 34 from the recessed portion 35 and is disposed in a direction substantially orthogonal to the axial direction of the second inner cable 26 when assembled. The engaging portion 28 is formed in a substantially U shape in a side view, a columnar portion disposed on the second inner cable 26 side, a curved portion protruding in a curved surface shape on the distal end side of the columnar portion, It has. The lengths of the concave portions 34 in the axial direction and the width direction are formed larger than the dimensions of the engaging portions 28 in the axial direction and the width direction so that the engaging portions 28 can be inserted (engaged) into the concave portions 34. Has been. When the engaging portion 28 of the second inner cable 26 is engaged with the concave portion 34 of the slider 20, the end surface of the cylindrical portion on the second inner cable 26 side in the engaging portion 28 is the vertical wall surface 34 </ b> A of the concave portion 34. In contact with or in close proximity to.

  The engaging portion 28 is slid by being pushed toward the concave portion 34 on the wall portion 20C on the other end side in the axial direction than the concave portion 34 of the slider 20 (opposite the concave portion 35). An inclined surface 40 is formed as a guide surface that guides to the concave portion 34 by overcoming. In the present embodiment, the inclined surface 40 is formed to have an upward slope from the end side of the wall portion 20C of the slider 20 shown in FIGS. 1 and 3 toward the vertical wall surface 34A.

  The inclined surfaces 40 are formed on both sides in the width direction of the slider 20, and between the inclined surfaces 40 (in the center in the width direction of the slider 20), when the engaging portion 28 is engaged with the concave portion 34, A groove portion 42 through which the 2-inner cable 26 is inserted is formed. The vertical wall surface 34 </ b> A is disposed so as to be cut off from the top of the inclined surface 40. The vertical wall surface 34A is formed in a substantially U shape so as to surround the width direction both sides and the lower portion of the edge of the groove portion 42 (see FIG. 1). The groove portion 42 communicates with the concave portion 34 between the vertical wall surfaces 34A. Further, an opening 44 into which the engaging portion 28 of the second inner cable 26 can be inserted is formed on the end surface of the wall portion 20 </ b> C of the slider 20. Thereby, the engaging portion 28 of the second inner cable 26 is inserted from the opening 44 and pushed toward the concave portion 34 (vertical wall surface 34A), so that the engaging portion 28 slides on the inclined surface 40 upward, By getting over the top of the inclined surface 40, the engaging portion 28 is guided to the concave portion 34 and engaged with the concave portion 34 (see FIGS. 6 and 7). At this time, a spring 30 is interposed in the case 16 between the vertical wall of the cap 18 and one end portion of the slider 20 in the axial direction, and the engaging portion 28 slides over the inclined surface 40 and gets over. In addition, the pushing of the slider 20 toward the first inner cable 14 is suppressed.

  As shown in FIG. 5, a stopper 58 that prevents the second inner cable 26 from being drawn into the second outer cable 24 is provided at an intermediate portion in the axial direction of the second inner cable 26. The stopper 58 is provided at a position where the second inner cable 26 does not interfere with the second outer cable 24 when the engaging portion 28 is engaged with the concave portion 34. In the present embodiment, a metal stopper 58 is fixed by crimping to the second inner cable 26. The stopper 58 prevents the second inner cable 26 from being pulled into the second outer cable 24, so that the position of the engaging portion 28 is stabilized and the engaging portion 28 slides on the inclined surface 40. Connection work when engaging with the concave portion 34 is facilitated.

  As the spring 30, a spring having a low spring constant k that does not hinder axial movement (cable operation) of the first inner cable 14 and the second inner cable 26 after assembly can be used. Here, since the spring constant k is used for compression in this embodiment, it means the difficulty of contraction peculiar to the spring. That is, a spring having a large value of the spring constant k is a spring that is difficult to contract. When the magnitude of the elastic force is F (N) and the length of the spring expansion / contraction is x (m), F = k · x It becomes a relationship.

  In the coupling device 100 of the present embodiment, after the engaging portion 28 of the second inner cable 26 is engaged with the concave portion 34 of the slider 20, the spring 30 is bent so that the backlash of the slider 20 ( Play) and the generation of abnormal noise.

  As shown in FIG. 1, an opening 50 is formed in the outer wall of the case 16 at a position facing the vicinity of the vertical wall surface 34 </ b> A and the inclined surface 40 of the concave portion 34 of the slider 20. In the present embodiment, the opening portion 50 of the slider 20 is formed in a substantially rectangular shape, and when the engaging portion 28 gets over the top of the inclined surface 40 and is engaged with the concave portion 34, the engaging portion 28. Can protrude from the opening 50 so as not to interfere with the case 16. That is, the case 16 can be further reduced in size by the engagement portion 28 once protruding from the opening 50 when the engagement portion 28 climbs over the top of the inclined surface 40.

  In the present embodiment, openings 50 are provided above and below the case 16 in FIG. Thereby, when the slider 20 is assembled, it is not necessary to align the opening side (upper side) of the concave portion 34 of the slider 20 with the upper and lower sides of the case 16, and the assembly is facilitated.

  As shown in FIGS. 1, 2, and 5, a cap 60 is attached to the end of the second outer cable 24. The cap 60 is disposed in a substantially cylindrical covering portion 60A that fits around the outer periphery of the case 16, a position adjacent to the covering portion 60A, a cylindrical portion 60B having a smaller diameter than the outer peripheral surface of the covering portion 60A, and a cylindrical portion 60B. And a small-diameter portion 60C having a smaller diameter than the cylindrical portion 60B and extending toward the outer peripheral surface of the second outer cable 24. The small diameter portion 60 </ b> C of the cap 60 is fixed to the second outer cable 24 by a fixture 22 (for example, a caulking tool) in a state where the small diameter portion 60 </ b> C is extrapolated to the outer peripheral surface of the second outer cable 24 (see FIG. 5). ).

  As shown in FIG. 2, the outer diameter of the other end portion in the axial direction of the case 16 (the end portion on the side to which the second inner cable 26 is connected) gradually decreases toward the end portion. And a plurality of slits 54 formed along the axial direction, and a protrusion 56 formed along the circumferential direction near the end of the tapered surface 52.

  As shown in FIGS. 4 and 7, in the coupling device 100, when the engaging portion 28 of the second inner cable 26 is engaged with the concave portion 34 of the slider 20, the covering portion 60 </ b> A of the cap 60 is not attached to the case 16. It fits in the taper surface 52. At that time, the covering portion 60 </ b> A of the cap 60 reduces the diameter of the tapered surface 52 by the slit 54, and the protrusion 56 is pressed against the inner surface of the covering portion 60 </ b> A of the cap 60.

  The connecting device 100 can be applied to, for example, a control cable attached to a lock device that tilts a rear seat of an automobile by remote control. In the coupling device 100, for example, an operation portion (not shown) is provided at an end portion of the first outer cable 12 opposite to the axial cap 18 and the second outer cable 24 is opposite to the axial cap 60. A locking device (not shown) is provided at the end of the. An operation lever (not shown) of the operation unit is connected to the first inner cable 14, and the first inner cable 14 is moved in the axial direction by operating the operation lever (for example, the first inner cable 14 of the first inner cable 14). The slider 20 at the end is moved in the pulling direction). As a result, the second inner cable 26 connected to the slider 20 moves in the axial direction, and the lock piece (not shown) of the lock device connected to the second inner cable 26 operates to tilt the rear seat. ing.

  In the coupling device 100, the positions of the operation unit and the locking device may be opposite to the first outer cable 12 and the second outer cable 24. The coupling device 100 of the present embodiment is not limited to a locking device that tilts the rear seat, and can be applied to a control cable attached to a bonnet opener cable, a filler opening cable, a parking brake cable, etc. It is.

  Next, the operation and effect of this embodiment will be described.

  As shown in FIG. 5, when connecting the first control cable 102 and the second control cable 104, the other end portion in the axial direction of the case 16 attached to the first outer cable 12 (the first outer cable). 12, the engaging portion 28 at the end of the second inner cable 26 is inserted. Then, as shown in FIG. 6, when the engaging portion 28 at the end of the second inner cable 26 is inserted into the opening 44 of the slider 20 and the engaging portion 28 is pushed in the axial direction (on the concave portion 34 side), The engaging portion 28 slides on the inclined surface 40 of the slider 20 toward the upper side in FIG. Then, the engaging portion 28 gets over the top portion of the inclined surface 40 and is guided to the concave portion 34 on the vertical wall surface 34 </ b> A side, and is stored in the concave portion 34. Thereby, as shown in FIG. 7, the engaging portion 28 is engaged with the concave portion 34, and the second inner cable 26 is inserted into the groove portion 42.

  At that time, as shown in FIG. 6, a spring 30 is interposed in the case 16 between the vertical wall of the cap 18 and one end of the slider 20 in the axial direction, and the engaging portion 28 is inclined. When sliding over 40 and getting over the top of the inclined surface 40, the pushing of the slider 20 toward the first inner cable 14 is suppressed. In this embodiment, when the engaging portion 28 slides on the inclined surface 40 and climbs over the top of the inclined surface 40, the spring 30 hardly bends (compressed) because the force that the engaging portion 28 pushes the slider 20 is small. The slider 20 hardly moves to the cap 18 side. In other words, since the force with which the engaging portion 28 pushes the slider 20 is small, the spring 30 is interposed between the wall portion of the cap 18 and the end portion of the slider 20 to move the slider 20 toward the cap 18 side. Can be suppressed. This eliminates the need for a conventional locking member.

  In this coupling device 100, the engagement portion 28 is engaged with the concave portion 34, so that the end portion of the second inner cable 26 that constitutes the second control cable 104 and the slider connected to the first control cable 102. 20 are connected.

  A stopper 58 that prevents the second inner cable 26 from being pulled into the second outer cable 24 is provided at an intermediate portion in the axial direction of the second inner cable 26, and the end of the second inner cable 26 is engaged. The position of the part 28 is stabilized. For this reason, as shown in FIG. 6, when the engaging portion 28 slides on the inclined surface 40 and gets over the inclined surface 40, the engaging portion 28 does not move to the second outer cable 24 side and is connected. Workability can be improved.

  Further, as shown in FIGS. 6 and 7, when the engaging portion 28 gets over the top of the inclined surface 40 of the slider 20, the engaging portion 28 is moved from the opening 50 formed in the case 16 to the outside of the case 16. Then, the engaging portion 28 is engaged with the concave portion 34 of the slider 20. For this reason, the enlargement of the case 16 can be suppressed.

  In such a coupling device 100, the engaging portion 28 slides on the inclined surface 40 of the slider 20 and gets over the inclined surface 40 to be engaged with the concave portion 34, so that the end of the second inner cable 26 is The workability when connecting to the slider 20 can be improved. That is, in a structure using a conventional blade-shaped end portion, a step of locking the slide-type lock member, a step of connecting the blade-shaped end portion to the joint piece, and a step of unlocking the slide-type lock member In the coupling device 100 of this embodiment, the coupling unit 100 is coupled by one action in which the engagement portion 28 is slid on the inclined surface 40 of the slider 20 and is engaged with the concave portion 34. Can do.

  Further, in the coupling device 100, compared to a conventional structure using a blade-shaped end portion, a blade-shaped end portion, a sliding lock member, or the like is not necessary, and the number of parts can be reduced.

  Further, in the coupling device 100, when the engaging portion 28 is engaged with the concave portion 34, the spring 30 is bent so that play (play) of the slider 20 is suppressed, and abnormal noise is generated. Can be suppressed.

  Further, in the connecting device 100, the protrusion 36 is provided on the outer wall 20 </ b> B of the slider 20 along the moving direction of the slider 20, and the protrusion 36 is inserted into the concave guide portion 38 provided on the inner wall of the case 16. It is possible to move in the state. Therefore, when the engaging portion 28 is slid on the inclined surface 40 of the slider 20 and engaged with the concave portion 34, the rotation of the slider 20 in the case 16 can be suppressed, and workability at the time of connection is achieved. Can be further improved.

  Further, in the coupling device 100, the cap 60 is attached to the end portion of the second outer cable 24, and the cap 60 is fitted to the tapered surface 52 of the case 16 when the engaging portion 28 is engaged with the vertical wall surface 34A. The tapered surface 52 is reduced in diameter by the slit 54, and the protrusion 56 is pressed against the inner surface of the cap 60. Thereby, it is possible to prevent the cap 60 from being firmly fitted to the tapered surface 52 of the case 16 and the end portion of the second outer cable 24 from being detached from the case 16.

  In the coupling device 100 of the present embodiment, the concave portion (engaged portion) 34 with which the engaging portion 28 is engaged with the slider 20 is formed, but is limited to the concave portion 34 having the vertical wall surface 34A. However, the shape can be changed to other shapes as long as the engagement portion 28 is engaged. Further, the shape of the engaging portion 28 can be changed.

  Further, in the coupling device 100 of the present embodiment, the slider 20 is formed with an inclined surface (guide surface) 40 on which the engaging portion 28 slides and the engaging portion 28 gets over and is guided to the concave portion 34. However, it is not limited to the inclined surface 40. That is, other shapes may be used as long as the engaging portion 28 is pushed and slid to the engaged portion side and the engaging portion 28 gets over and is guided to the engaged portion. For example, the curved surface formed so that it may become an upward slope from the edge part side of the wall part 20C of the slider 20 in FIG. 1 toward the to-be-engaged part side etc. may be sufficient. Moreover, the structure provided with the some level | step difference surface etc. which were formed so that it might become an up-gradient stepwise toward the to-be-engaged part side from the edge part side of the wall part 20C of the slider 20 in FIG.

  Moreover, although the spring 30 is provided in the connection apparatus 100 of this embodiment, it is not limited to this, It can change to other spring members, such as a leaf | plate spring.

12 First outer cable 14 Second inner cable 16 Case 18 Cap (wall on the end side of the first outer cable)
20 Slider 20B Outer wall 20C Wall portion 24 First outer cable 26 Second inner cable 28 Engaging portion 30 Spring (spring member)
34 Concave part (engaged part)
34A Vertical wall surface 36 Projection portion 38 Guide portion 40 Inclined surface (guidance surface)
42 Groove 50 Opening 58 Stopper 60 Cap 100 Connecting Device 102 First Control Cable 104 Second Control Cable

Claims (7)

A first inner cable movably inserted into the first outer cable;
A slider that is provided at an end of the first inner cable and moves within a case attached to the end of the first outer cable;
An end of the second inner cable is provided at an end of the second inner cable that is movably inserted into the second outer cable, and is engaged with an engaged portion formed on the slider. An engaging portion for connecting the slider;
A wall portion provided in the slider and having a groove formed in the center through which the second inner cable is inserted;
A guide surface that is formed on the wall portion and that the engaging portion slides over and guides to the engaged portion;
A spring member interposed between a wall on an end portion side of the first outer cable and an end portion of the slider, and suppressing the pushing of the slider when the engaging portion slides over the guide surface ,
Control cable connection structure having.   2. The guide surface according to claim 1, wherein the guide surface is an inclined surface or a curved surface formed so as to have an upward slope from the end of the slider opposite to the first inner cable toward the engaged portion. The control cable connection structure described.   The engaged portion is a concave portion with which the engaging portion engages, and the wall on the second inner cable side of the concave portion is a vertical wall surface of the wall portion cut off from the top of the guide surface. The control cable connection structure according to claim 1 or 2.   The second inner cable does not interfere with the second outer cable when the engaging portion is engaged with the engaged portion, and the second inner cable into the second outer cable. The control cable connection structure according to any one of claims 1 to 3, wherein a stopper for preventing the pull-in is provided.   5. The opening according to claim 1, wherein an opening is formed in the case so that the engaging portion does not interfere when the engaging portion gets over the guide surface. 6. Control cable connection structure. A protrusion provided on the outer wall of the slider along the direction of movement of the slider;
A concave guide portion that is provided on the inner wall of the case, the protrusion is movably inserted, and guides the slider;
The control cable connection structure according to any one of claims 1 to 5, comprising:   A cap attached to the case when the engaging portion is engaged with the engaged portion is provided at an end portion of the second outer cable. 2. The control cable connection structure according to item 1.