JP2014196025A - Operation relay device of vehicle door latch - Google Patents

Abstract

PROBLEM TO BE SOLVED: To securely prevent a webbing from rubbing a movable element of an operation relay device, and smoothly wind and deliver the webbing.SOLUTION: An operation relay device 12 is arranged on a door on which a seat belt device, an inside handle, and a door latch are assembled. The operation relay device 12 includes a base member 17 fixed to the door, and movable elements 19, 22 which are arranged on a movable element arrangement part 175 of the base member 17 and can operate so as to transmit operation of the inside handle to the door latch. The base member 17 includes a guide part 174 which protrudes to a side surface of a webbing 14, and can guide the webbing 14 in winding and delivering directions while contacting with the side surface of the webbing 14 to prevent the side surface of the webbing 14 from contacting with the movable elements 19, 22.

Description

  The present invention relates to an operation relay device for a vehicle door latch that is optimal for a side door with double doors.

  In vehicles equipped with side doors with front doors and rear doors facing apart, the entrance / exit corresponding to the front door and the entrance / exit corresponding to the rear door form a single entrance when the front door and the rear door are opened simultaneously. Therefore, the center pillar cannot be provided on the vehicle body. For this reason, an upper door latch for holding the rear door in the closed position on the upper part of the rear door where the reinforcement is provided with a longitudinal reinforcement provided at the front of the rear door to ensure the strength of the rear door, Similarly, a lower door latch for holding the rear door in the closed position is attached to the lower portion together with an upper door latch, and further, a seat belt device for restraining a seated occupant of the front seat is attached.

  Further, the rear door has an inside handle that can be operated to open the rear door only when the front door is open, and various movable parts that are connected to the upper door latch and the lower door latch so that the operation of the inside handle can be transmitted. An operation relay device provided with elements is provided. The inside handle and the operation relay device are also arranged at the front part of the rear door reinforced by reinforcement.

JP 2003-252057 A JP-A-2005-232716

  As described above, in a vehicle in which the front door and the rear door are double-opened, the upper door latch, the lower door latch, the seat belt device, and the operation relay device that are attached to the rear door are vertically arranged at the front portion of the rear door reinforced by reinforcement. Therefore, the webbing (seat belt) of the seat belt device and the operation relay device are naturally positioned so as to overlap each other in the vehicle width direction.

  However, since the operation relay device is provided with a movable element that is linked to the operation of the inside handle, the webbing that moves up and down within the rear door rubs against the movable element when the webbing is taken up and extended, and the webbing is damaged. It is necessary to take measures not to give. As one of the countermeasures, it can be considered that the webbing that moves up and down in the rear door is arranged far away from the movable element of the operation relay device to the indoor side. In this case, the shoulder anchor and the seat belt of the seat belt device are arranged. The arrangement is such that the retractor protrudes greatly toward the vehicle interior side, and the interior space of the room is narrowed.

  An object of the present invention is to provide an operation relay device for a vehicle door latch that reliably prevents the webbing from rubbing against a movable element of the operation relay device in view of the above-described problem, and that facilitates winding and unwinding of the webbing. To do.

According to the present invention, the above problem is solved as follows.
1st invention arrange | positioned at the door which is supported by a vehicle body so that opening and closing is possible, and to which a seatbelt device, a door latch which can be engaged with a striker on the vehicle body side when closed, and an inside handle which is operated when opened In the operation relay device for a vehicle door latch that relays the operation of the inside handle so that the operation of the inside handle can be transmitted to the door latch, the base member fixed to the door, the base member is disposed, A movable element operable to transmit the operation of the inside handle to the door latch, and the base member projects toward a side surface of the webbing so that the side surface of the webbing does not contact the movable element. Guide that can guide the webbing in the winding and feeding direction while contacting the side surface of the webbing Having. This prevents the webbing from being damaged since the side surface of the webbing is guided while being in contact with the guide portion provided on the web member during webbing winding and unwinding, and the webbing is prevented from rubbing against the movable element. In addition, the webbing can be smoothly moved.

  According to a second aspect, in the first aspect, the width of the guide portion is larger than the width of the side surface of the webbing. Thereby, it can prevent that the side surface of webbing remove | deviates from a guide part, and can guide webbing more smoothly.

  According to a third invention, in the first or second invention, the guide portion is formed by bending the base member. Thereby, the increase in the number of parts can be suppressed and the configuration can be simplified.

  According to a fourth invention, in any one of the first to third inventions, the guide portion protrudes in a curved shape toward the side surface of the webbing so that the ridge line faces the front-rear direction. Thereby, the side surface of the webbing can be guided more smoothly, and rubbing of the side surface of the webbing can be minimized.

  According to a fifth invention, in any one of the first to fourth inventions, the movable element is disposed on a surface opposite to a side of the base member facing a side surface of the webbing of the seat belt device. Thereby, even if the protrusion amount of a guide part is made small, the contact to the movable element of webbing can be prevented reliably.

  According to the present invention, the guide member that can contact the side surface of the webbing is provided on the base member of the operation relay device, so that the side surface of the webbing rubs against the movable element of the operation relay device when the webbing is taken up and extended. The webbing can be smoothly moved by reliably preventing the webbing.

1 is a side view of a vehicle to which the present invention is applied. It is a side view of the principal part of the state where the side door of the double door of the vehicle to which the present invention is applied is opened. It is a perspective view of the state seen from the room inner side of the rear door to which the operation relay device of the present invention is attached. It is an enlarged view of the IV section in FIG. It is the side view seen from the vehicle outside of the operation relay device when the operation relay device according to the present invention is in an unlocked state. Similarly, it is a side view of the operation relay device when the release operation is performed in the unlocked state. It is a side view of the operation relay apparatus when it is also in a locked state. FIG. 6 is a view taken along arrow VIII in FIG. 5.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
As shown in FIGS. 1 and 2, the vehicle 1 includes a front door 2 and a rear door 3 that are provided on side surfaces of the vehicle body, and a front door entrance and a rear door 3 corresponding to the front door 2. When the doors 2 and 3 are opened, the rear seat entry / exit corresponding to is formed as one entrance / exit without a partition (center pillarless).

  The front door 2 opens and closes around the front end by being pivotally attached to the vehicle body by a front door hinge (not shown) provided at the front end of the front door and having a vertical rotation shaft, and is provided at the inner rear end. Only when the rear door 3 is closed, the front door latch 4 is held in the closed position by engaging the middle striker 5 bolted to the front end surface of the rear door 3. When the outside handle 6 provided on the vehicle exterior side of the front door 2 or the inside handle (not shown) provided on the indoor side is opened, the front door latch 4 is released from the middle striker 5 to open the front door 2. Is possible.

  The rear door 3 opens and closes around the rear end by being pivotally attached to the vehicle body by a rear door hinge (not shown) provided at the rear end of the rear door 3 and having a vertical rotation shaft.

  As shown in FIGS. 2 and 3, the rear door 3 has an upper door latch 7 which is engaged with an upper striker 9 which is bolted to the roof side rail of the vehicle body, and a vehicle body A lower door latch 8 that can be engaged with a lower striker 10 that is bolted to the side sill, an inside handle 11 that is on the front end surface and that can be operated only when the front door 2 is open, and a front portion. An operation relay device 12 (see FIG. 3) for relaying the operation of the inside handle 11 to the upper door latch 7 and the lower door latch 8 so as to be able to be transmitted or not transmitted, and a webbing 14 that can be worn by a seated occupant of the front seat S A seat belt device 13 having the same is attached.

  When the front door 2 and the rear door 3 are closed, the rear door latch 3 is held in the closed position by the upper door latch 7 engaging the upper striker 9 and the lower door latch 8 engaging the lower striker 10, respectively. 2 is held in the closed position by the front door latch 4 engaging the middle striker 5 of the rear door 3.

  When the doors 2 and 3 are opened, the front handle 2 is first opened by operating the outside handle 6 or the inside handle of the front door 2 and then the inside handle 11 of the rear door 3 is operated to open the rear door 3. Open. When the doors 2 and 3 are closed, the front door 2 is closed after the rear door 3 is closed first.

  The webbing 14 of the seat belt device 13 can be worn by an occupant seated on the front seat S, and an end portion of the webbing 14 is connected to a seat belt retractor 16 attached in the rear door 3 so that the seat belt retractor 16 can be extended and retracted. The extended portion extended from the door extends upward and led out from the upper opening of the door trim 3B provided on the interior side of the rear door 3 to the vehicle interior, and then supported by the shoulder anchor 15 attached to the upper portion of the rear door 3. And guided to the indoor side. The lower end portion of the webbing 14 led out to the indoor side is fixed to the lower portion of the rear door 3.

  The webbing 14 is fixed to the floor panel via a bracket (not shown) between the lower end portion of a feeding portion 14A led out to the indoor side (hereinafter referred to as “indoor side feeding belt portion”) 14A and the shoulder anchor 15. A tongue plate 14C that can be engaged with a buckle (not shown) is provided. When the occupant seated on the front seat S wears the webbing 14, the tongue plate 14C is engaged with the buckle. Thereby, the webbing 14 forms a state of restraining the seated occupant of the front seat S.

  When the tongue plate 14C is removed from the buckle, the webbing 14 is wound around the seat belt retractor 16 so that the feeding portion from the seat belt retractor 16 to the shoulder anchor 15 on the indoor side feeding belt portion 14A of the webbing 14 and the webbing 14 is provided. 14B (hereinafter referred to as “door feeding belt portion”) is held straight by the tension of the seat belt retractor 16. As a result, the webbing 14 forms a state of being released from the restraint of the seated occupant of the front seat S when not worn, and enables the front seat occupant to get on and off when the front door 2 is opened.

  A metal reinforcement 3 </ b> A in the vertical direction for securing the strength of the rear door 3 is fixed to the inner panel of the rear door 3. The upper door latch 7, the lower door latch 8, the inside handle 11, the operation relay device 12, the shoulder anchor 15, and the seat belt retractor 16 are attached to the respective positions of the rear door 3 via the reinforcement 3A.

  As shown in FIGS. 5 to 8, the operation relay device 12 has an outer surface (see FIG. 8) between the upper door latch 7 and the lower door latch 8 and facing the vehicle outer side in the vehicle width direction of the door feeding belt portion 14 </ b> B of the webbing 14. 2 is provided with a metal base member 17 that is fixed to the rear door 3 via the reinforcement 3A, and has an outer surface (a side surface facing right in FIG. 8). ) Side is connected to the inside handle 11 via a connecting member 18 and to the upper door latch 7 and the lower door latch 8 via connecting members 20 and 21 in the vertical direction formed by Bowden cables. A release lever 22 and a lock lever 23 interlocking with opening and closing of the front door 2 are provided.

  The base member 17 is secured to the rear door 3 with bolts 24, 25, and 26 via the reinforcement 3A, and upper, middle, and lower mounting portions 171, 172, and 173, mounting portions 171 and 173, and a movable element arrangement described later. A guide portion 174 that protrudes from the portion 175 toward the outer surface of the in-door feeding belt portion 14B of the webbing 14, and an inside lever 19, a release lever 22, and a guide member 174 that are between the guide portion 174 and the lower mounting portion 173, A movable element arrangement portion 175 having a surface facing the outdoor side where the lock lever 23 is arranged is integrally formed. In addition, since the attaching part 172 in the middle is in a position shifted rearward with respect to the movement trajectory of the in-door feeding belt part 14B of the webbing 14, it may be protruded further indoors than the guide part 174 as necessary. .

  The guide portion 174 moves the webbing 14 in the vertical direction (winding and feeding) while contacting the outer surface of the in-door feeding belt portion 14B of the webbing 14 so that the outer surface of the in-door feeding belt portion 14B of the webbing 14 does not contact the movable element. 8, and is formed by bending the upper portion of the base member 17 toward the outer surface of the in-door feeding belt portion 14 </ b> B of the webbing 14 in a U-shape.

  Preferably, as shown in FIG. 5, the front-rear width W <b> 1 of the guide portion 174 is formed to be larger than the width W <b> 2 of the webbing 14. Further, the upper portion of the guide portion 174 is projected in a curved shape toward the outer surface of the in-door feeding belt portion 14B of the webbing 14 with the ridge line facing in the front-rear direction. Furthermore, the slippage of the webbing 14 is improved when the webbing 14 is drawn out from the seat belt retractor 16 and wound up on the surface of the guide part 174 (the surface with which the outer surface of the in-door feeding belt part 14B of the webbing 14 contacts). Surface treatment for the purpose is performed.

  The inside lever 19 is pivotally supported by the movable element arrangement portion 175 of the base member 17 by a pivot 27 that faces in the vehicle width direction, and is urged clockwise by a spring 28 in FIGS. It stops at the standby position shown in FIGS. 5 and 7 in contact with the stopper piece 176 provided. The inside lever 19 is provided with an engaging groove portion 191 that extends forward from the vicinity of the rotation center and opens forward.

  When the inside handle 11 is operated with the front door 2 opened, the operation is transmitted to the inside handle 11 via the connecting member 18, and the inside hand 11 is pivoted against the urging force of the spring 28. 27 is rotated from the standby position by a predetermined angle in the release direction (counterclockwise in FIG. 5) about 27.

  The release lever 22 is pivotally supported by the movable element arrangement portion 175 of the base member 17 by a pivot 27 coaxial with the inside lever 19 and is urged clockwise by the spring 29 in FIGS. It stops at the standby position shown in FIGS. The release lever 22 is provided with a long hole 221 that extends forward from the vicinity of the rotation center and overlaps the engagement groove portion 191 of the inside lever 19 in the vehicle width direction. The connecting portion 222 at the front end of the release lever 22 is connected to the upper door latch 7 via a connecting member 20 extending upward, and the connecting portion 223 at the rear end is connected via the connecting member 21 extending downward. To the lower door latch 8.

  The lock lever 23 is located below the inside lever 19 and the release lever 22, and is pivotally supported by the movable element arrangement portion 175 of the base member 17 by the pivot 30 that faces in the vehicle width direction. 5-7, when the front door 2 is open, as described later, it stops at the unlock position shown in FIG. 5, and when the front door 2 is closed, 7 stops at the lock position shown in FIG. 7 rotated counterclockwise by a predetermined angle against the biasing force of the spring 31 from the unlock position.

  A slide member 32 is connected to the upper end of the lock lever 23 and is movable in the longitudinal direction in the elongated hole 221 of the release lever 22 as the lock lever 23 rotates. The actuator is connected to an operating lever 34 disposed in the vicinity of the front end surface of the rear door 3 via a connecting member 33.

  A part of the operating lever 34 projects to the front end surface through an opening provided on the front end surface of the rear door 3, and projects to the front end surface of the rear door 3 when the front door 2 is closed with the rear door 3 closed. When a part contacts the front door 2, a part moves from the protruding position protruding from the front end surface of the rear door 3 to the immersive position where the part is immersed, and the movement is transmitted to the lock lever 23 via the connecting member 33. Thus, the lock lever 23 is held in the unlocked position shown in FIG. 5 by the biasing force of the spring 31 when the front door 2 is open, and when the front door 2 is closed, the operation lever 34 moves. The spring 31 moves from the unlock position to the lock position against the urging force of the spring 31.

  The slide member 32 is rotatably connected to the upper end portion of the lock lever 23 by a shaft portion 321 whose rear end portion faces the vehicle width direction, and is slidable in the elongated hole 221 of the release lever 22 at the front end portion. An engaging portion 322 that can be engaged with and disengaged from the engaging groove portion 191 of the inside lever 19 is provided.

  As shown in FIG. 5, when the lock lever 23 is in the unlock position, the slide member 32 has the shaft portion 321 that matches the axis of the pivot 27 in the vehicle width direction, and the engagement portion 322 is the inside lever. It engages with the engaging groove portion 191 of the inside lever 19 so that the rotation of 19 in the release direction can be transmitted to the release lever 22. Therefore, in this state, when the inside lever 19 rotates in the release direction (counterclockwise in FIG. 5) against the urging force of the spring 28 based on the operation of the inside handle 11, as shown in FIG. As the inside lever 19 rotates, the slide member 32 and the release lever 22 also rotate in the release direction (counterclockwise in FIG. 5), and the release operation of the release lever 22 is performed via the connecting members 20 and 21. It is transmitted to the door latch 7 and the lower door latch 8. As a result, the upper door latch 7 is disengaged from the upper striker 9 and the lower door latch 8 is disengaged from the lower striker 10, thereby enabling the rear door 3 to be opened.

  As shown in FIG. 7, when the lock lever 23 is in the locked position, that is, when both the doors 2 and 3 are closed, the engaging portion 322 of the slide member 32 is disengaged from the engaging groove portion 191 of the inside lever 19, The rotation of the inside lever 19 cannot be transmitted to the release lever 22.

  As described above, the movable elements (the inside lever 19, the release lever 22, the lock lever 23) of the operation relay device 12 are arranged on the movable element arrangement portion 175 of the base member 17, and the webbing 14 in-door feeding belt is arranged on the base member 17. A guide portion 174 that protrudes toward the outer surface of the portion 14B and that can guide the webbing 14 so as to be slidable in the feeding and winding direction while contacting the outer surface of the in-door feeding belt portion 14B. By making the width W1 larger than the width W2 of the webbing 14 and further making the guide part 174 curved so that the ridgeline is directed in the front-rear direction, the webbing 14 is particularly wound when being wound around the seat belt retractor 16 and when being fed out. The outer surface of the in-door feeding belt portion 14B of the webbing 14 is the possibility of the operation relay device 12. Together reliably prevents a rubbing element, it is possible to allow for smooth movement of the webbing 14. Furthermore, it is possible to solve various problems that occur when the seat belt device 13 and the operation relay device 12 are attached to the rear door 3 that opens in a double-speech manner, and the indoor space can be expanded.

  Furthermore, all of the inside lever 19, the release lever 22, and the lock lever 23 that constitute the movable element are arranged on the surface of the base member 17 on the side opposite to the side facing the side surface of the webbing 14 of the seat belt device 13. Accordingly, even when the protruding amount of the guide portion 174 is reduced, it is possible to reliably prevent the webbing 14 from contacting the movable element.

  Furthermore, as shown in FIG. 8, the portion of the reinforcement 3A facing the operation relay device 12 is recessed toward the outdoor side (right side in FIG. 8), so that various movable elements are accommodated in the recessed space. Therefore, the indoor space can be further expanded.

Although the embodiment of the present invention has been described above, the following various modifications and changes can be made to the present embodiment without departing from the gist of the present invention.
(I) A concave portion recessed toward the outdoor side is formed in the portion of the reinforcement 3 </ b> A facing the seat bell retractor 16. As a result, the seat belt retractor 16 can be disposed so as to be accommodated in the recessed space of the recess, so that the trajectory of the webbing 14 can be brought closer to the reinforcement surface 3A side and the indoor space can be expanded. Become.
(Ii) Of the inside lever 19, the release lever 22 and the lock lever 23 that constitute the movable element, at least one movable element is on the side of the base member 17 facing the side surface of the webbing 14 of the seat belt device 13, and Arranged in an area other than the guide portion 174.

DESCRIPTION OF SYMBOLS 1 Vehicle 2 Front door 3 Rear door 3A Reinforcement 3B Door trim 4 Front door latch 5 Middle striker 6 Outside handle 7 Upper door latch 8 Lower door latch 9 Uppass striker 10 Lower striker 11 Inside handle 12 Operation relay device 13 Seat belt device 14 Webbing 14A Room Inner feeding belt portion 14B In-door feeding belt portion 14C Tang plate 15 Shoulder anchor 16 Seat belt retractor 17 Base member 18 Connecting member 19 Inside lever 20, 21 Connecting member 22 Release lever 23 Lock lever 24, 25, 26 Bolt 27 Axis 28, 29 Spring 30 Axis 31 Spring 32 Slide member 33 Connecting member 34 Actuating levers 171, 172, 173 Mounting portion 174 Guide portion 175 Movable element arrangement part 176 Stopper piece 191 Engaging groove part 221 Long hole 222, 223 Connecting part 231 Connecting part 321 Shaft part 322 Engaging part

Claims (5)

A device that is disposed on a door to which a seat belt device, a door latch that can be engaged with a striker on the vehicle body side when closed, and an inside handle that is operated when opened are attached to the vehicle body so as to be opened and closed. In the operation relay device for a vehicle door latch that relays the operation of the inside handle so as to be transmitted to the door latch,
A base member fixed to the door;
A movable element disposed on the base member and operable to transmit the operation of the inside handle to the door latch;
The base member protrudes toward the side surface of the webbing and guides the webbing in the winding and feeding direction while contacting the side surface of the webbing so that the side surface of the webbing does not contact the movable element. An operation relay device for a vehicle door latch.   The operation relay device for a vehicle door latch according to claim 1, wherein the width of the guide portion is larger than the width of the side surface of the webbing.   The operation relay device for a vehicle door latch according to claim 1 or 2, wherein the guide portion is formed by bending the base member.   The operation relay device for a vehicle door latch according to any one of claims 1 to 3, wherein the guide portion protrudes in a curved shape toward a side surface of the webbing so that a ridge line faces in the front-rear direction.   The operation of the vehicle door latch according to any one of claims 1 to 4, wherein the movable element is disposed on a surface of the base member that is opposite to a surface that faces a side surface of the webbing of the seat belt device. Relay device.

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