JP2013057331A - Control cable length-adjusting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily adjust the length of a cable, while dispensing with a work process of having influence on a length adjustment of the cable.SOLUTION: This control cable length-adjusting device 1 includes a lock piece 40 positioned in a slider lock position in a state of projecting an end part 44a of a moving operation pin 44 inserted into an insertion hole 61 from an inner peripheral surface 37a of a connecting pin installing part 37 and positioned in a lock releasing position in a state of positioning the end part 44a of the moving operation pin 44 in the insertion hole 61 by abutting on an outer peripheral surface 21c of the connecting pin 20 in an installation process of the connecting pin 20 to the connecting pin installing part 37. The lock piece 40 performs positioning by locking the movement of a slider 10 in a slider storage part 31 by a positioning mechanism when positioned in a slider lock position, and releases a lock by the positioning mechanism when positioned in the lock releasing position.

Description

  The present invention relates to a technique for adjusting the length of a control cable used in a vehicle.

In the control cable having a structure in which the inner cable inserted into the outer cable is stroked, the length of the inner cable slightly changes depending on the arrangement situation after the outer cable is fixed and arranged.
For this reason, conventionally, a control cable length adjusting device that enables adjustment of the length of the inner cable has been proposed as a means for accurately ensuring the input / output stroke relationship between the inner cables at both ends of the control cable.

  Patent Document 1 discloses a technique for adjusting the length of the inner cable. In the technique disclosed in Patent Document 1, a fastening body is inserted into a cable mounting pin, and then a lock piece for adjusting a cable length is inserted into the fastening body.

JP 2005-172203 A

However, in the technique of Patent Document 1, in order to adjust the length of the inner cable, the fastening body is inserted into the cable mounting pin (first step), and then the lock piece for adjusting the cable length is inserted into the fastening body. If this is done (second step), at least two steps are required.
Furthermore, in particular, since the insertion of the lock piece in the second step depends on the skill level of the operator, there is a possibility that the cable length adjustment may be shifted depending on the skill level of the worker. This is because, for example, when inserting the lock piece, the operator tends to unintentionally apply a force in the stroke direction of the inner cable, so that the length of the inner cable may not be adjusted correctly.
An object of the present invention is to make it possible to easily adjust the length of an inner cable while eliminating a work process that affects the cable length adjustment, such as a lock piece insertion process.

  In order to solve the above-described problems, in one aspect of the present invention, a cylindrical pin-shaped annular groove extending in the circumferential direction is formed on the outer peripheral surface, and an end portion of the inner cable accommodated in the outer cable. A holder formed integrally with a mounted rod-shaped slider, a cylindrical connection pin mounting portion into which the connection pin is detachably inserted, and a slider storage portion for movably storing the slider; A control cable length adjusting device including a positioning mechanism for positioning the slider with respect to the slider accommodating portion, wherein the slider accommodating portion and the connecting pin mounting portion are configured to move the slider in the slider accommodating portion, and A bottom wall located in the slider moving direction in the slider accommodating portion so that the axial direction of the connecting pin mounting portion is orthogonal The connecting pin mounting portion is integrally formed with the peripheral wall, and the bottom wall and the peripheral wall are formed with insertion holes for the connecting pin penetrating the bottom wall and the peripheral wall, and in the slider accommodating portion. The connecting pin is urged toward the bottom wall by an elastic member while being slidably accommodated in the moving direction of the slider, and a projecting portion inserted into the insertion hole is formed at a portion facing the bottom wall. Before the connection pin is attached to the attachment portion, the end of the projection inserted through the insertion hole protrudes from the inner peripheral surface of the connection pin attachment portion, or the connection to the connection pin attachment portion. When the mounting of the pin is completed, the end of the protruding portion inserted through the insertion hole protrudes from the inner peripheral surface of the connecting pin mounting portion and is positioned in the annular groove of the connecting pin. The connecting pin to the connecting pin mounting portion In the mounting process, a moving member is provided which is in a second position in contact with the outer peripheral surface of the connecting pin and the end of the protruding portion is positioned in the insertion hole. When in the position, the positioning mechanism locks the movement of the slider in the slider housing portion to perform the positioning, and when in the second position, releases the lock by the positioning mechanism. A control cable length adjusting device can be provided.

  In one aspect of the present invention, the lock mechanism is formed by bending a rack portion in which a plurality of grooves are arranged on the side surface of the slider in the moving direction of the slider and a wire material that is elastically deformable. A base portion fixed to the slider accommodating portion, an arm portion extending from an end portion of the base portion, and a locking portion extending from the end portion of the arm portion along the groove of the rack portion and lockable to the groove. A spring provided, wherein when the moving member is positioned at the first position, the locking member is locked by bringing the locking portion into a locked state in the groove, and is positioned at the second position. In this case, the lock is released by releasing the locking portion locked in the groove from the groove.

  In one aspect of the present invention, the moving member includes a disengagement preventing portion that prevents the engaging portion in an engaging state with the groove from being separated from the groove at a portion facing the rack portion. When the moving member is positioned at the first position, the disengagement preventing portion prevents the engaging portion from separating from the groove so as to face the engaging portion, and the moving member is When it is located at two positions, it is allowed to disengage from the groove away from the position facing the locking portion.

  In the aspect of the invention, the lock mechanism includes a protrusion that extends from the end of the locking portion toward the moving member, and the moving member moves from the first position to the second position. In the process, a locking release portion is provided that pushes and displaces the protrusion to disengage the locking portion locked in the groove from the groove.

According to the present invention, in the process of completing the mounting of the connecting pin to the connecting pin mounting portion, the moving member is moved from the second position to the first position to unlock the slider movement in the slider accommodating portion. After that, the movement of the slider in the slider accommodating portion is locked.
Thereby, in this invention, in the process which completes mounting | wearing of the connecting pin to a connecting pin mounting part, the length of an inner cable can be adjusted and the length of the adjusted inner cable can be fixed after that.

As described above, according to the present invention, the length of the inner cable can be easily adjusted while eliminating a work process that affects the adjustment of the length of the inner cable, such as the lock piece insertion process.
In addition, when the connecting pin is a member to be assembled on the side where the control cable length adjusting device is assembled, according to the present invention, the worker can attach the connecting pin only to the connecting pin mounting portion. Assembly of the control cable length adjusting device to the connecting pin as a member and adjustment of the length of the control cable can be performed simultaneously.

In addition, according to the present invention, the lock mechanism can be realized with a simple configuration such as an elastically deformable wire.
Moreover, according to this invention, when the moving member is located in the 1st position, it can prevent that the latching | locking part of a spring detaches | leaves from the groove | channel of a rack part.
Further, according to the present invention, in the process in which the moving member moves from the first position to the second position by the protrusion of the locking mechanism and the locking release portion of the moving member, the spring locking portion is moved from the groove of the rack portion. Can be removed with certainty.

It is a sectional side view which shows the structural example of the control cable length adjustment apparatus of this embodiment. It is a disassembled perspective view of a part structure of a control cable length adjusting device. It is a lower side view which shows the shape of a lock piece. It is a sectional side view which shows the control cable length adjustment apparatus of the state (state of a slider lock position) before a connection pin is mounted in the connection pin mounting part of a holder. FIG. 5 is a side sectional view showing details in the vicinity of a rack tooth portion of the slider in FIG. 4. It is a sectional side view which shows the control cable length adjustment apparatus of the state (state of a slider lock position) in which only the edge part of the connection pin was penetrated by the connection pin mounting part of the holder. It is a sectional side view which shows the detail of the rack tooth | gear part vicinity of the slider in FIG. The control cable length adjustment apparatus of the state (state of a lock release position) where a connection pin is inserted in the connection pin mounting part of a holder, and the movement operation pin is pushed into the insertion hole by the outer peripheral surface of the main-body part of a connection pin is shown. It is a sectional side view. FIG. 9 is a side sectional view showing details in the vicinity of a rack tooth portion of the slider in FIG. 8. A connecting pin is mounted on the connecting pin mounting portion of the holder (the connecting pin is completely inserted into the connecting pin mounting portion), and the end of the moving operation pin is locked in the annular groove of the main body of the connecting pin (slider lock) It is a sectional side view showing the control cable length adjusting device in the position state). It is a sectional side view which shows the detail of the rack tooth | gear part vicinity of the slider in FIG.

Embodiments of the present invention will be described with reference to the drawings.
This embodiment is a control cable length adjusting device.
(Constitution)
1 and 2 are diagrams showing a configuration example of the control cable length adjusting device 1. FIG. FIG. 1 is a side sectional view, and FIG. 2 is an exploded perspective view of a part of the configuration of the control cable length adjusting device 1.

  As shown in FIGS. 1 and 2, the control cable length adjusting device 1 includes a slider (rack) 10 attached to an end 101a of the inner cable 101, and a lever (connection object) such as a selector of an automatic transmission. ), A connecting pin (cable mounting pin) 20 attached to the holder, a holder 30 in which the slider 10 is movably accommodated and the connecting pin 20 is detachable, and the movement of the slider 10 accommodated in the holder 30 is locked ( Positioning) and a lock piece (slide lock) 40 and a lock spring 50 for releasing the lock. Here, the inner cable 101 constitutes the control cable 100 with the accommodated outer cable 102.

  As shown in FIGS. 1 and 2, the slider 10 is housed in the slider housing portion 31 of the holder 30 together with the lock piece 40 and the lock spring 50. The slider 10 (slider 10 main body) is made of a substantially quadrangular prism-shaped member, and an end 101a of the inner cable 101 is attached to the end in the longitudinal direction (the direction of arrow A in FIG. 1). The slider 10 has a rack tooth portion 11 formed on a side surface parallel to the longitudinal direction or a side surface parallel to the moving direction (referred to as a longitudinal side parallel surface or first side surface) 10 a. Specifically, the position at which the rack tooth portion 11 is formed is a position closer to the end portion on the opposite side to the attachment end portion of the inner cable 101 on the first side face 10a. The rack tooth portion 11 has a plurality of teeth 11a (or grooves 11b), and each tooth 11a extends in the short side direction and is arranged in the long side direction on the first side surface 10a. ing. A lock spring 50 is disposed so as to surround the outer periphery of the slider 10.

The lock spring 50 is formed by bending an elastically deformable wire to form a base 51, an arm 52, a locking portion 53, and a protrusion 54.
The locking portion 53 has a length equivalent to the length of the teeth 11 a of the rack tooth portion 11. At one end of the locking portion 53, a protrusion 54 is formed that faces in a direction substantially perpendicular to the first side surface 10a. Further, an arm portion 52 is formed at the other end of the locking portion 53.

  On the other hand, the base 51 is arranged on the slider 10 on the side parallel to the longitudinal direction (hereinafter referred to as the third side) 10c opposite to the first side surface 10a, more specifically, on the mounting end side of the inner cable 101. It is located along the part of 3 side 10c. The base 51 is formed in an approximately L shape with an extending portion 51a extending in the short side direction and a vertical portion 51b extending in the longitudinal direction of the slider 10 and substantially perpendicular to the extending portion 51a. Yes. The base portion 51 is accommodated and locked in the base locking portion 35 of the slider storage portion 31. One end of the extending portion 51 a of the base portion 51 is connected to the arm portion 52.

The arm portion 52 extends along the longitudinal parallel surface (hereinafter referred to as a second side surface) 10 b adjacent to the first side surface 10 a in the slider 10, and connects the locking portion 53 and the extending portion 51 a of the base portion 51. Are extended between the vicinity of the first side face 10a and the vicinity of the third side face 10c.
In the lock spring 50, the base 51 is locked to the base locking portion 35 of the slider accommodating portion 31 while the vertical portion 51b is displaced with respect to the extending portion 51a, and twisting occurs due to the displacement of the vertical portion 51b. It is in the state. The locking spring 50 urges the locking portion 53 in a direction to be detached from the rack tooth portion 11 by its twist.

On the contrary, the locking spring 50 may bias the locking portion 53 in the direction of the rack tooth portion 11 (the mounting direction to the rack tooth portion 11) by twisting thereof. In any case, the urging direction is determined by the shape of the locking spring 50 (in particular, the shape of the base 51 in the present embodiment) before being attached to the slider accommodating portion 31.
The lock piece 40 is accommodated in the slider accommodating portion 31 of the holder 30 so as to be movable in the same direction as the movement direction of the slider 10. The lock piece 40 has a portion (hereinafter referred to as an end surface side flat plate portion) 41 facing the end surface 10 d side in the longitudinal direction of the slider 10 and a portion (hereinafter referred to as a parallel surface side flat plate) facing the first side surface 10 a side of the slider 10. 42) and is composed of a substantially L-shaped plate member.

Here, FIG. 3 is a lower side view showing details of the shape of the lock piece 40.
3, the end surface side flat plate portion 41 has an upper end connected to the lower surface of the parallel surface side flat plate portion 42, and has a substantially square flat plate shape when viewed from the right side of FIG. Yes. The lock piece 40 moves in the slider accommodating portion 31 of the holder 30 so that the end face side flat plate portion 41 contacts and separates from the bottom wall 32 of the slider accommodating portion 31. The height of the end surface side flat plate portion 41 (the height in the vertical direction in FIG. 1) is higher than the height of the end surface 10d in the longitudinal direction of the slider 10, and more specifically, a rectangular column provided on the parallel surface side flat plate portion 42. The height is such that only the shape restricting portion 43 is in contact with the first side surface 10 a of the slider 10. The end face side flat plate portion 41 is provided with a moving operation pin 44 upright at a side face 41a opposite to the face facing the longitudinal end face 10d of the slider 10, more specifically at a substantially central portion of the side face 41a. .

The movement operation pin 44 is movably inserted in an insertion hole 61 formed on the bottom wall 32 side of the slider accommodating portion 31 of the holder 30. In accordance with the movement of the movement operation pin 44 in the insertion hole 61, the lock piece 40 moves between the slider lock position and the lock release position.
Specifically, the lock piece 40 is positioned at the slider lock position in a state where the end 44 a of the movement operation pin 44 protrudes from the inner peripheral surface 37 a of the connecting pin mounting portion 37. Further, the lock piece 40 is positioned at the unlocking position in a state where the end portion 44 a of the movement operation pin 44 is accommodated in the insertion hole 61 without protruding from the inner peripheral surface 37 a of the connection pin mounting portion 37. Here, the slider lock position is the position of the lock piece 40 shown in FIG. In this locked position, the slider 10 is positioned with its movement locked against the slider accommodating portion 31 of the holder 30. Further, the lock release position is a position at which the movement of the slider 10 with respect to the slider accommodating portion 31 of the holder 30 is unlocked.

  On the other hand, a notch window 45 into which the protrusion 54 of the locking spring 50 is inserted is formed in the parallel surface side flat plate portion 42 near the end in the short side direction of the parallel surface side flat plate portion 42. The cutout window 45 extends in the long side direction of the parallel surface side flat plate portion 42, that is, in the moving direction of the slider 10, and has a substantially rectangular shape. The inner side surface of the cutout window 45 located on the end surface side flat plate portion 41 side is engaged with the protrusion 54 of the lock spring 50 when the lock piece 40 moves from the slider lock position to the lock release position. A pressing portion 45 a that presses the portion 53 so as to be detached from the rack tooth portion 11 is configured.

  Further, in the parallel surface side flat plate portion 42, the above-described substantially quadrangular prism-shaped regulating portion 43 is formed on a surface 42 a facing the first side surface 10 a of the slider 10. Here, the restricting portion 43 is formed adjacent to the cutout window 45 (substantially central portion in the longitudinal direction). Further, the facing surface 43 a of the restricting portion 43 facing the rack tooth portion 11 is positioned in the vicinity of the contact with the rack tooth portion 11. When the lock piece 40 is in the slide lock position shown in FIG. 1, the restricting portion 43 straddles the two teeth of the rack tooth portion 11 adjacent to the groove portion 11 b that houses the locking portion 53 of the locking spring 50. Are arranged as follows. Further, the step in the longitudinal direction of the slider 10 between the side surface 43b of the restricting portion 43 facing the end surface side flat plate portion 41 and the inner side surface (pressing portion) 45a positioned on the end surface side flat plate portion 41 side of the cutout window 45 is locked. The step is equal to or slightly larger than the diameter of the locking portion 53 or the protrusion 54 of the spring 50 for use.

Further, the end 42 b of the parallel surface side flat plate portion 42 is formed with a protrusion 46 on the surface opposite to the surface facing the first side surface 10 a of the slider 10, and is a lock piece disposed in the holder 30. A latching portion with the biasing spring 47 is configured.
The holder 30 includes a slider accommodating portion 31 that integrally accommodates the slider 10, the lock piece 40, and the locking spring 50, and a connecting pin attaching portion 37 to which the connecting pin 20 is attached.

The slider accommodating portion 31 includes a substantially square flat plate-shaped bottom wall 32 and first and second peripheral walls 33 and 34 having a substantially rectangular flat plate shape that are erected from both ends of the bottom wall 32 and face each other. The bottom wall 32 and the space surrounded by the first and second peripheral walls 33 and 34 constitute a housing portion for the slider 10, the lock spring 50, and the lock piece 40.
The first peripheral wall 33 constitutes a sliding portion 33 a on which the portion on the bottom wall 32 side slides on the inner surface of the parallel surface side flat plate portion 42 of the lock piece 40. The length of the sliding portion 33 a in the longitudinal direction of the slider 10 is slightly shorter than the parallel surface side flat plate portion 42 of the lock piece 40. The sliding portion 33 a is formed with a notch window 33 a 1 in communication with the notch window 45 of the parallel surface side flat plate portion 42 of the lock piece 40.

  The first peripheral wall 33 is formed with a spring accommodating portion 33 b that extends from the end of the sliding portion 33 a to the opposite side of the sliding portion 33 a and accommodates the lock piece biasing spring 47. An end (locking portion) 42b of the parallel surface side flat plate portion 42 of the lock piece 40 protrudes from the end of the sliding portion 33a toward the spring accommodating portion 33b, and this end 42b is compressed into the spring accommodating portion 33b. It is in contact with the lock piece urging spring 47 arranged in the above state. The lock piece urging spring 47 urges the lock piece 40 toward the bottom wall 32.

  In the second peripheral wall 34, the slider 10 slides with respect to the inner side surface 34a. On the inner side surface 34a of the second peripheral wall 34, there is formed a base locking portion 35 in which the base 51 of the locking spring 50 is accommodated and locked. When the base 51 of the locking spring 50 is locked to the base locking portion 35, only the slider 10 moves in the slider accommodating portion 31 without moving the locking spring 50.

The bottom wall 32 constitutes a portion facing the end face side flat plate portion 41 of the lock piece 40, and is integrated with the outer peripheral surface of the connecting pin mounting portion 37. On the peripheral wall of the bottom wall 32 and the connecting pin mounting portion 37, an insertion hole 61 for the movement operation pin 44 penetrating the peripheral wall of the bottom wall 32 and the connecting pin mounting portion 37 is formed.
The connecting pin mounting portion 37 has a substantially cylindrical shape so that the connecting pin 20 is inserted. The axial direction of the connecting pin mounting portion 37 is orthogonal to the moving direction of the lock piece 40 in the slider accommodating portion 31, that is, the moving direction of the moving operation pin 44 of the lock piece 40.

  Here, the connecting pin 20 is a member attached to the lever side on the automatic transmission side, for example. The connecting pin 20 has a substantially cylindrical main body 21 and a flange 22 formed at one end of the main body 21. The main body portion 21 is formed so that its diameter is substantially equal to the inner peripheral diameter of the connecting pin mounting portion 37 of the slider accommodating portion 31. The main body 21 is formed with a chamfered portion 21a having a chamfered outer periphery at the other end and an annular groove 21b extending in the circumferential direction at a substantially intermediate portion in the axial direction. Here, the flange 22 abuts on the end surface 37 b of the connecting pin mounting portion 37 and the main body 21 is inserted into the connecting pin mounting portion 37, that is, the connecting pin 20 is completely inserted into the connecting pin mounting portion 37. In the mounted state, the annular groove 21 b is positioned to face the insertion hole 61 for the movement operation pin 44.

(Operation etc.)
Next, the operation and action of the control cable length adjusting device 1 when adjusting the length of the control cable (inner cable) will be described with reference to FIGS.

  Here, FIG. 4 is a side sectional view showing the control cable length adjusting device 1 in a state before the connecting pin 20 is attached to the connecting pin attaching portion 37 of the holder 30 (in the slider lock position state). 5 is a side sectional view showing details of the vicinity of the rack tooth portion 11 of the slider 10 in FIG. 4 (region surrounded by a dotted line). 6 is a side sectional view showing the control cable length adjusting device 1 in a state where the end portion of the connecting pin 20 is inserted into the connecting pin mounting portion 37 of the holder 30 (in the slider lock position state). 7 is a side sectional view showing details of the vicinity of the rack tooth portion 11 of the slider 10 in FIG. 6 (region surrounded by a dotted line). In FIG. 8, the connection pin 20 is inserted into the connection pin mounting portion 37 of the holder 30, and the movement operation pin 44 of the lock piece 40 is pushed into the insertion hole 61 by the outer peripheral surface 21 c of the main body portion 21 of the connection pin 20. FIG. 9 is a side sectional view showing the control cable length adjusting device 1 in a state where it is in an unlocked state (FIG. 9), and FIG. 9 shows details of the vicinity of the rack tooth portion 11 of the slider 10 in FIG. It is a sectional side view shown. Further, in FIG. 10, the connection pin 20 is completely attached to the connection pin attachment portion 37 of the holder 30, and the end portion 44 a of the movement operation pin 44 of the lock piece 40 is placed in the annular groove 21 b of the main body portion 21 of the connection pin 20. FIG. 11 is a side sectional view showing the control cable length adjusting device 1 in a positioned state (slider lock position state), and FIG. 11 shows the vicinity of the rack tooth portion 11 of the slider 10 in FIG. 10 (region surrounded by a dotted line). It is a sectional side view which shows the detail of this.

  First, as shown in FIGS. 4 and 5, in a state before the connection pin 20 is attached to the connection pin attachment portion 37, the movement operation pin 44 of the lock piece 40 is moved from the inner peripheral surface 37 a of the connection pin attachment portion 37. Is allowed to protrude. Therefore, the lock piece 40 is held in the slider accommodating portion 31 by a lock piece urging spring 47 at a position where the end surface side flat plate portion 41 abuts against the bottom wall 32 of the slider accommodating portion 31 (slider lock position). The As a result, the restricting portion 43 of the lock piece 40 is positioned so as to face the locking portion 53 of the locking spring 50, and the locking state of the locking portion 53 to the rack tooth portion 11 is maintained. 10 is locked for movement in the slider accommodating portion 31.

  Thereafter, as shown in FIGS. 6 and 7, when the connecting pin 20 is inserted into the connecting pin mounting portion 37, the end portion 44 a of the moving operation pin 44 protruding from the inner peripheral surface 37 a of the connecting pin mounting portion 37 is The connecting pin 20 is pushed toward the insertion hole 61 side. At this time, since the chamfered portion 21 a is provided at the end of the connecting pin 20, the moving operation pin 44 is smoothly pushed into the insertion hole 61. Thus, the lock piece 40 is moved in the direction in which the end surface side flat plate portion 41 is separated from the bottom wall 32 of the slider accommodating portion 31 in the slider accommodating portion 31 against the urging force of the lock piece urging spring 47. Moving. Further, the restricting portion 43 of the lock piece 40 is disengaged from the position facing the locking portion 53 of the locking spring 50.

  Further, thereafter, as shown in FIGS. 8 and 9, the connecting pin 20 is inserted into the connecting pin mounting portion 37, and comes into contact with the outer peripheral surface 21 c of the main body portion 21 of the connecting pin 20 to end the moving operation pin 44. When 44a is completely pushed into the insertion hole 61, the lock piece 40 is positioned at the unlock position. In the process of the lock piece 40 reaching the unlock position, the pressing portion 45a, which is the inner surface of the cutout window 45 of the lock piece 40, presses and displaces the protrusion 54 of the locking spring 50 to displace the rack tooth portion. 11, the locking portion 53 of the locking spring 50 is released. As described above, the locking portion 53 of the locking spring 50 is detached from the rack tooth portion 11, so that the movement (locking) of the slider 10 within the slider accommodating portion 31 is released.

  Accordingly, when an operation for moving the end portion 101a of the inner cable 101 within the holder 30 is performed, the slider 10 attached to the end portion 101a of the inner cable 101 moves in the slider accommodating portion 31 according to the operation. To move. That is, the length of the inner cable 101 is adjusted.

  10 and 11, when the connecting pin 20 is mounted on the connecting pin mounting portion 37, that is, when the assembly of the control cable length adjusting device 1 to the connecting pin 20 is completed, the connecting pin 20 The annular groove 21 b of the main body portion 21 is located at a portion facing the insertion hole 61. As a result, the end 44 a of the moving operation pin 44 that has been pushed into the insertion hole 61 due to the urging by the lock piece urging spring 47 jumps out of the insertion hole 61 and the main body 21 of the connecting pin 20. Positioned in the annular groove 21b, the lock piece 40 returns to the original position (slider lock position). In the process of moving the lock piece 40 back to the original position (slider lock position) in this way, the locking portion 53 of the locking spring 50 is released from being pressed by the pressing portion 45 a of the lock piece 40, and the rack tooth portion 11. Between the teeth 11 a and the rack teeth 11 are again locked. Further, the restricting portion 43 of the lock piece 40 returns to a position facing the locking portion 53 of the locking spring 50. As a result, the slider 10 is positioned after the movement in the slider accommodating portion 31 is locked again.

Further, since the end portion 44 a of the moving operation pin 44 is engaged with the annular groove 21 b of the connecting pin 20, the control cable length adjusting device 1 is prevented from being detached from the moving operation pin 44.
For example, as described above, when the pressing by the pressing portion 45 a of the lock piece 40 is released, the locking portion 53 of the locking spring 50 returns between the teeth 11 a of the rack tooth portion 11. This is a case where the locking spring 50 is formed so as to bias the locking portion 53 to the side.

  Further, when the locking spring 50 is formed so as to urge the locking portion 53 in the direction away from the rack tooth portion 11, when the pressing by the pressing portion 45a of the locking piece 40 is released. It is preferable to provide a structure in which the locking portion 53 of the locking spring 50 can smoothly return between the teeth 11 a of the rack tooth portion 11. For example, as such a structure, the side surface 43b facing the end surface side flat plate portion 41 side of the regulating portion 43 of the lock piece 40 is inclined so that the lower end is located on the left side with respect to the upper end in FIG.

As described above, in the control cable length adjusting device 1, the movement of the slider 10 relative to the slider accommodating portion 31 of the holder 30 is locked in conjunction with the work process of mounting the connecting pin 20 on the connecting pin mounting portion 37 of the holder 30. Can be released and locked again. Thereby, the operator can adjust the length of the inner cable 101 in the work process of attaching the connecting pin 20 to the connecting pin attaching portion 37 of the holder 30, and then fix the adjusted length.
Moreover, in this embodiment, the movement operation pin 44 comprises a projection part, for example. Moreover, the lock piece 40 comprises a moving member, for example. Moreover, the control part 43 comprises the detachment prevention part, for example. Moreover, the pressing part 45a of the notch window 45 comprises the latch release part, for example.

(Effect of this embodiment)
This embodiment has the following effects.
(1) The control cable length adjusting device 1 reciprocates the moving member between the slide lock position and the lock release position in the process of completing the mounting of the connecting pin 20 to the connecting pin mounting portion 37, and the slider The lock of the movement of the slider 10 in the housing portion 31 is released, and then the movement of the slider 10 in the slider housing portion 31 is locked.

Thereby, the control cable length adjusting device 1 adjusts the length of the inner cable in the process of completing the mounting of the connecting pin 20 to the connecting pin mounting portion 37, and then adjusts the length of the adjusted inner cable. Can be fixed automatically.
As described above, the control cable length adjusting device 1 can easily adjust the length of the inner cable while eliminating the work process that affects the cable length adjustment such as the lock piece insertion process. Can do.

Further, since the connecting pin 20 is a member to be assembled on the side where the control cable length adjusting device 1 is assembled, an operator can perform the assembly by only attaching the connecting pin 20 to the connecting pin mounting portion 37. The assembly of the control cable length adjusting device 1 to the connecting pin 20 that is an attaching member and the adjustment of the length of the inner cable 101 can be performed simultaneously.
For this reason, the operator does not need the conventional work of inserting the lock piece for fixing the position of the cable with the other hand into the holder while holding the cable length in the optimum position with one hand. Thus, the cable length adjustment work can be easily performed, and the time required for the cable assembly work and the length adjustment work can be shortened.

(2) The control cable length adjusting device 1 can realize the lock mechanism with a simple configuration such as an elastically deformable wire by configuring the lock mechanism using the lock spring 50.
(3) The control cable length adjusting device 1 is provided with the restricting portion 43 on the lock piece 40, so that when the lock piece 40 is in the slider lock position, the locking portion 53 of the lock spring 50 is separated from the rack tooth portion 11. It can be prevented from leaving.

(4) The control cable length adjusting device 1 is configured such that the lock teeth 40 are moved from the slider lock position to the lock release position by the protrusion 54 of the lock spring 50 and the pressing portion 45a of the lock piece 40. The locking portion 53 of the locking spring 50 can be reliably detached from the portion 11.

(Modification of this embodiment)
Needless to say, the present embodiment is not limited to that the locking mechanism is configured by the locking spring 50. In other words, when the lock piece 10 is positioned at the slide lock position, the lock mechanism performs positioning by locking the movement of the slider 10 within the slider accommodating portion 31, and the lock piece 10 is positioned at the unlock position. If it is, what is necessary is just to make it possible to release the lock.

In the present embodiment, the lock spring 50 is not limited to the above-described shape, and may have another shape. That is, the shape of the locking spring 50 may be other shapes as long as the locking portion 53 of the locking spring 50 can be urged in a direction approaching or leaving the rack tooth portion 11.
Further, the present embodiment is not limited to the lock piece 40 having the restricting portion 43. For example, such a configuration is useful as a simple configuration of the locking piece 40 when the locking spring 50 is formed so that the locking portion 53 is biased to the rack tooth portion 11 side. It is.

  Further, in the present embodiment, the lock spring 50 is not limited to having the protrusion 54, and the lock piece 40 is not limited to having the pressing portion 45 a. For example, in such a configuration, when the locking spring 50 is formed so that the locking portion 53 is biased in the direction away from the rack tooth portion 11, the locking spring 50 and the locking piece 40 can be simplified. This is useful for realizing various configurations.

Further, in the present embodiment, a structure in which the connecting pin 20 attached to the connecting pin attaching portion 37 can be removed manually is provided. For example, the locking spring 50 and the lock piece 40 are provided with an operation portion so that the operator can manually remove the locking portion 53 from the rack tooth portion 11 and move the lock piece 40 to the unlock position.
Although the embodiments of the present invention have been specifically described above, the scope of the present invention is not limited to the illustrated and described exemplary embodiments, and effects equivalent to those intended by the present invention. All embodiments that provide are also included. Further, the scope of the present invention is not limited to the combination of features of the invention defined by claim 1 but can be defined by any desired combination of specific features among all the disclosed features. .

  DESCRIPTION OF SYMBOLS 1 Control cable length adjustment apparatus, 10 Slider, 20 Connecting pin, 30 Holder, 31 Slider accommodating part, 37 Connecting pin mounting part, 40 Lock piece, 44 Moving operation pin, 50 Locking spring, 61 Insertion hole, 100 Control cable , 101 Inner cable, 102 Outer cable

Claims (4)

A connecting pin formed in a cylindrical shape and extending in the circumferential direction on the outer peripheral surface, a rod-like slider attached to the end of the inner cable housed in the outer cable, and the connecting pin attached to and detached from the inside A holder formed integrally with a cylindrical connecting pin mounting portion to be freely inserted and a slider accommodating portion for movably accommodating the slider, a positioning mechanism for positioning the slider with respect to the slider accommodating portion; In a control cable length adjusting device comprising:
The slider housing portion and the connecting pin mounting portion are positioned in the slider moving direction in the slider housing portion so that the moving direction of the slider in the slider housing portion and the axial direction of the connecting pin mounting portion are orthogonal to each other. The bottom wall and the peripheral wall of the connecting pin mounting portion are integrally formed,
In the bottom wall and the peripheral wall, an insertion hole for the connecting pin penetrating the bottom wall and the peripheral wall is formed,
A protrusion that is urged toward the bottom wall by an elastic member while being movably accommodated in the moving direction of the slider in the slider accommodating portion, and a portion that is opposed to the bottom wall is inserted into the insertion hole. In addition, before the connection pin is attached to the connection pin attachment portion, the end of the protrusion inserted into the insertion hole protrudes from the inner peripheral surface of the connection pin attachment portion, or the connection pin attachment. When the mounting of the connecting pin to the portion is completed, the end of the projection inserted through the insertion hole protrudes from the inner peripheral surface of the connecting pin mounting portion and is positioned in the annular groove of the connecting pin. In the mounting process of the connecting pin to the connecting pin mounting portion, the end of the protrusion is positioned in the insertion hole in contact with the outer peripheral surface of the connecting pin. A moving member to be provided,
When the moving member is located at the first position, the positioning mechanism locks the movement of the slider within the slider housing portion to perform the positioning, and when the moving member is located at the second position, A control cable length adjusting device for releasing the lock by the positioning mechanism. The lock mechanism is formed by bending a rack portion in which a plurality of grooves are arranged on the side surface of the slider in the moving direction of the slider, and an elastically deformable wire, and is fixed to the slider accommodating portion. A base portion, an arm portion extending from an end portion of the base portion, and a spring including a locking portion extending from the end portion of the arm portion along the groove of the rack portion and capable of being locked in the groove,
When the moving member is positioned at the first position, the locking portion is locked by setting the locking portion to the groove, and when the moving member is positioned at the second position, The control cable length adjusting device according to claim 1, wherein the lock is released by detaching the locking portion in a locked state from the groove. The moving member is provided with a detachment preventing portion that prevents the locking portion locked in the groove from being detached from the groove at a portion facing the rack portion.
When the moving member is positioned at the first position, the disengagement preventing portion prevents the engaging portion from separating from the groove so as to face the engaging portion, and the moving member is 3. The control cable length adjustment according to claim 2, wherein, when the control cable is located at two positions, the control cable is allowed to be detached from the groove by detaching from the position facing the locking part. 4. apparatus. The locking mechanism includes a protrusion extending from the end of the locking portion toward the moving member,
In the process of moving from the first position to the second position, the moving member has an unlocking part that pushes and displaces the protrusion to disengage the locking part locked in the groove from the groove. The control cable length adjusting device according to claim 2, wherein the control cable length adjusting device is provided.

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