JP6884187B2 - Operation belt structure - Google Patents

Description

The present invention relates to the structure of an operating belt.

Conventionally, an unlocking mechanism for unlocking the movable lock of the seat sliding mechanism and the seatback folding mechanism has been provided inside the seatback of the vehicle seat, and the unlocking mechanism is the seatback. The lock is released by operating the release member by pulling the operation end of the operation belt arranged on the outside of the.
In such an operation belt structure, the vicinity of the opening of the folded portion exposed by pulling out from the opening of the finisher in the strap (operation belt) so that the operation end is not pulled into the inside of the seat back. Some of the straps are provided with a cover portion protruding from the wide surface of the strap, and the cover portion suppresses the strap from falling into the seat back (see, for example, Patent Document 1).

JP-A-2009-166563

However, in the structure of the conventional operation belt described above, the entire belt is a laminated body of two pieces, and the cover portion having a stopper function pinches a part of the belt and sews the base portion of the knob portion. Since it is formed by the above, there is a problem that it is difficult to reduce the weight of the operation belt. Moreover, the structure of the conventional operation belt is low in flexibility due to the high rigidity of the operation belt, and the required amount of bending cannot be secured, and it is difficult to easily bend the operation belt with respect to the peripheral structure. It was not possible to route with a superior layout without adding a belt, which could lead to deterioration of operability.

The present invention has been made in view of such an actual situation, and an object of the present invention is to reduce the weight by forming only both ends of the operation belt as a multi-layer portion and the intermediate portion of the operation belt as a single-layer portion. Achieves and secures flexibility, easily bends to the surrounding structure, routes in an advantageous manner without adding parts, and makes the layout excellent in operability with low resistance even in a bent layout. The purpose is to provide a structure of an operation belt capable of the above.

In order to solve the problems of the prior art, the present invention is an operation belt provided for operating an operation mechanism installed in a vehicle, one end side of which is held by the operation mechanism and the other end side of operation. A grip portion for sometimes gripping is formed, and one end side is arranged inside the structure and the other end side is arranged outside the structure through an opening provided in the structure. In the structure of the operation belt, the opening of the structure is an elongated opening slit portion, and the operation belt is composed of one flat belt, and both ends of the flat belt are folded inward and overlapped. By joining at the ends, at least the end on the grip side is formed in a loop shape, and two overlapping multi-layered portions located at both ends and one single-layered portion located in the middle portion. On the grip portion side, a protruding portion formed by projecting a part of the stacked multi-layered portions in the direction perpendicular to the plane is provided, and the protruding portion is a short portion of the opening slit portion. It is formed so as to project larger than the width in the side direction, and the projecting portion is formed by bending a part of the multi-layered portion located on the opening slit portion side in the direction perpendicular to the plane, and at a height position of half or less of the protruding height. The overlapped portions are joined, and the multi-layer portion is joined between the protruding portion and the grip portion, while the belt end portion on the opening slit portion side located closer to the protruding portion is formed. The multi-layered portion including the structure has a structure that is not joined .

As described above, the structure of the operation belt according to the present invention is an operation belt provided for operating the operation mechanism installed in the vehicle, one end side of which is held by the operation mechanism and the other end side of which is gripped during operation. A grip portion is formed, one end side is arranged inside the structure, and the other end side is arranged outside the structure through an opening provided in the structure. The opening of the structure is an elongated opening slit portion, and the operation belt is composed of one flat belt, and both ends of the flat belt are folded inward and joined at the overlapped ends. is composed of at least the end portion of the grip portion side is formed in a loop shape, and a double layer portion which is superposed with two located at both ends, one single layer portion located in the middle portion, the grip On the portion side, a protruding portion formed by projecting a part of the overlapped multi-layered portion in the direction perpendicular to the plane is provided, and the protruding portion is larger than the width in the short side direction of the opening slit portion. The protruding portion is formed by bending a part of the multi-layered portion located on the opening slit portion side in the direction perpendicular to the plane, and the overlapped portion is joined at a height position of half or less of the protruding height. In addition, while the multi-layered portion is joined between the protruding portion and the gripped portion, the multi-layered portion including the belt end portion on the opening slit portion side located closer to the protruding portion includes the multi-layered portion. It has a structure that is not joined .
That is, in the structure of the operation belt of the present invention, only both ends of the operation belt are formed as a multi-layer portion, and the intermediate portion of the operation belt is formed as a single-layer portion. Therefore, the weight of the operation belt should be reduced. Can be done. Moreover, in the structure of the operation belt of the present invention, the flexibility of the operation belt is ensured by the single-layer portion at the intermediate position, so that the operation belt can be easily bent with respect to the peripheral structure and is advantageously arranged without adding parts. It is possible to search and create a layout with good operation efficiency with low resistance even in a bent layout.
Further, the structure of the operation belt of the present invention is added because the opening of the structure is an elongated opening slit and the end on the grip side located outside the opening slit is formed in a loop shape. Without using any parts, it is possible to suppress the drop of the grip portion of the operation belt into the structure, and the cost of parts can be reduced as compared with the conventional structure.

It is a perspective view which looked at the seat back of the vehicle seat which arranged the operation belt of the structure which concerns on embodiment of this invention from the diagonally above rear of the vehicle. It is a perspective view which shows the Z part in FIG. 1 enlarged. FIG. 1 is a perspective view of the internal structure of the seat back in FIG. 1 as viewed from diagonally above the rear of the vehicle. FIG. 5 is a cross-sectional view taken along the line AA in FIG. It is a perspective view which shows the whole operation belt of the structure which concerns on embodiment of this invention. It is a side view which shows the vicinity of the protrusion | protrusion part of the operation belt in FIG. It is a top view seen from the direction of arrow B in FIG.

Hereinafter, the present invention will be described in detail based on the illustrated embodiments.
In the figure, the arrow E direction indicates the direction perpendicular to the surface of the operation belt, the arrow Fr direction indicates the front of the seat, and the arrow U direction indicates the upper side of the seat.

1 to 7 show the structure of the operation belt according to the embodiment of the present invention. As shown in FIGS. 1 to 5, the operation belt 1 having the structure of the present embodiment is provided to operate an operation mechanism (for example, an unlocking mechanism) (for example, an unlocking mechanism) that is not shown in the drawing and is installed in the vehicle. .. One end 1a side of the operation belt 1 is held by an operation mechanism (not shown) via an operation lever 2 or an operation wire 3, and one end 1a side of the operation belt 1 is a lever of the operation lever 2. A belt-side engaging portion 11 that engages with the side engaging portion 21 is formed. A grip portion 12 for the user to grip during operation is formed on the other end 1b side of the operation belt 1, and the operation belt 1 is pulled by holding the grip portion 12 to obtain an operation mechanism (not shown). It is configured to operate. Further, one end 1a side of the operation belt 1 is arranged inside the seat back 5 of the vehicle seat 4 which is a structure, and the other end 1b side of the operation belt 1 is an elongated shape provided on the seat back 5. It is arranged on the outside of the seat back 5 through the opening slit portion (opening) 61.
As shown in FIGS. 1 to 4, the seat back 5 of the present embodiment is provided at the rear end of the seat cushion 41 in order to receive the back of the occupant seated on the seat cushion 41, and is provided with the seat back panel 51. A seat back cushion 52 arranged in front of the seat back panel 51, a seat back board 53 arranged behind the seat back panel 51, and the like are provided. The opening slit portion 61 of the present embodiment is provided in the cover member 6 attached to the through holes 51a and 53a of the seat back panel 51 and the seat back board 53, and has a size through which the other end 1b of the operation belt 1 can be inserted. It is formed in a slit shape having a short side and a long side, a small vertical width in the short side direction, and a large length in the long side direction (width direction of the seat back 5).

As shown in FIGS. 3 to 5, the operation belt 1 of the present embodiment is composed of one flat belt having a predetermined length, and the belt surface faces the front-rear direction and the vertical direction of the seat back 5. It is designed to be arranged in such a state. Moreover, in the operation belt 1, both ends of the flat belt are folded inward and joined at the overlapped ends, so that the belt-side engaging portion 11 on the one end 1a side and the grip portion 12 on the other end 1b side are looped. Is formed in. That is, the operation belt 1 is located at both ends and is formed by superimposing two flat belts in a multi-layer portion 1A, and is located in an intermediate portion and is formed by a single flat belt and is formed by a single layer portion 1B. It is composed of and.
As a result, the weight of the operation belt 1 is reduced and the flexibility is ensured as compared with the case where the entire operation belt 1 is made into a plurality of layers so as not to interfere with the peripheral parts of the seat back 5. Even if the belt is bent and arranged, the operation belt 1 having a layout with low resistance and excellent operability can be obtained. Moreover, by forming the grip portion 12 located on the outside of the opening slit portion 61 in a loop shape, the situation where the other end 1b side of the operation belt 1 is dragged into the seat back 5 and falls can be suppressed. ing.

Further, in the structure of the present embodiment, as shown in FIGS. 1 to 7, a part of the stacked multilayer portions 1A is placed on the grip portion 12 side of the operation belt 1 in the direction perpendicular to the plane (arrows in FIG. 6). A protruding portion 13 formed by picking up and projecting in the E direction) is provided. The protruding portion 13 is formed so as to protrude larger than the width in the short side direction of the opening slit portion 61 of the cover member 6, and is configured to be arranged at a position lower than the opening slit portion 61. As a result, the protruding portion 13 has a stopper function for preventing the operation belt 1 from falling into the seat back 5, and has a structure that does not require the addition of stopper parts or the like.
As shown in FIGS. 6 and 7, the protruding portion 13 of the present embodiment is formed by bending a part of the multilayer portion 1A located on the opening slit portion 61 side in the direction perpendicular to the plane, and having a height of half or less of the protruding height H. The portions overlapped at the vertical position are joined by sewing to form a sewn portion 13a. Further, in the region R1 between the protruding portion 13 and the grip portion 12, the multi-layer portion 1A is joined by sewing to form a sewn portion 14, and the sewn portion 14 is a sewn portion 14a on the protruding portion 13 side. It has a quadrangular shape in a plan view including the sewn portion 14b on the grip portion 12 side. On the other hand, the region R2 including the belt end portion 1c on the opening slit portion 61 side located closer to the protruding portion 13 has a free structure in which the multilayer portion 1A is not joined. As a result, the man-hours for joining the operation belt 1 are reduced, and the cost of parts is reduced. Further, at the portion of the multi-layer portion 1A having a free structure, the length of the belt material, the dimensional tolerance of the sewn portion 14, and the like can be absorbed, and the appearance of the operation belt 1 can be prevented from being deteriorated due to the occurrence of wrinkles and the like. ..

Further, in the structure of the present embodiment, as shown in FIG. 6, the multilayer portion 1A on the opening slit portion 61 side is the sewn portion on the protruding portion 13 side of the sewn portion (joint portion) 14 on the grip portion 12 side. The length L1 from 14a to the belt end 1c on the opening slit portion 61 side is formed to be larger than the length L2 from the belt surface portion 1d to the top portion 13b of the protruding portion 13 (L1> L2). As a result, the portion of the operation belt 1 on the belt end 1c side that is not joined is secured sufficiently long, the protruding portion 13 does not easily fall down, and even if the protruding portion 13 comes into contact with the opening slit portion 61, the operating belt 1 is seated back. It has a structure that is difficult to be drawn into 5.

On the other hand, in the structure of the present embodiment, as shown in FIGS. 3 and 4, the inside of the seat back 5 of the vehicle seat 4, which is a structure, is located inside the opening slit portion 61, and the fixing bracket 7 A roller 8 is provided so as to be rotatably held in the seat back panel 51, and the roller 8 is positioned away from the seat back panel 51 in a state of being horizontally placed on a fixing bracket 7 attached to the seat back panel 51. Moreover, the axial center C of the roller 8 is arranged parallel to the long side direction of the opening slit portion 61, and the height position of the axial center C is set to be slightly lower than the height of the opening slit portion 61. ing. The single-layer portion 1B of the operation belt 1 is arranged so as to be bent by about 90 degrees in the direction of the opening slit portion 61 while being in contact with the outer peripheral surface of the roller 8. As a result, even if the operation belt 1 is bent by about 90 degrees in the direction of the opening slit portion 61 via the roller 8, the bent portion is the portion of the single layer portion 1B, and the flexibility is ensured. Therefore, the operability of the operation mechanism (not shown) by the operation belt 1 is not hindered, and breakage due to friction can be prevented.

As described above, the structure of the operation belt 1 according to the embodiment of the present invention is applied to the operation belt provided for operating the operation mechanism (not shown) installed in the vehicle, and is applied to one end. The 1a side is held by an operation mechanism (not shown), and the other end 1b side is formed with a grip portion 12 for gripping during operation. Further, one end 1a side of the operation belt 1 is arranged inside the seat back 5 of the vehicle seat 4 which is a structure, and the other end 1b side of the operation belt 1 is an elongated opening slit provided in the seat back 5. It is arranged on the outside of the seat back 5 through the portion (opening) 61. The operation belt 1 of the present embodiment is composed of one flat belt, and by folding both ends of the flat belt inward and joining them at the overlapped ends, at least the end on the grip portion 12 side is formed. It is formed in a loop shape and is composed of two stacked multi-layered portions 1A located at both ends and one single-layered portion 1B located at an intermediate portion.
Therefore, in the structure of the operation belt 1 of the present embodiment, only both end portions of the operation belt 1 are formed as the multi-layer portion 1A, and the intermediate portion of the operation belt 1 is formed as the single layer portion 1B. The weight of the operation belt 1 can be reduced as compared with the case where the entire operation belt 1 is the multi-layer portion 1A. Further, in the structure of the operation belt 1 of the present embodiment, the flexibility of the operation belt 1 is ensured by setting the intermediate position to the single layer portion 1B, so that the operation belt 1 does not interfere with the peripheral parts located inside the seat back 5. It is possible to easily bend it, and it is possible to distribute it in an advantageous manner without adding parts, and it is possible to create a layout with good operation efficiency that allows smooth operation with low resistance even in a bent layout. it can. Further, in the structure of the operation belt 1 of the present embodiment, the opening through which the other end 1b side of the operation belt 1 is inserted is the elongated opening slit portion 61, and the grip portion 12 side located outside the opening slit portion 61. Since the end portion of the belt is formed in a loop shape, it is possible to suppress the drop of the grip portion 12 of the operation belt 1 into the seat back 5 without using an additional component, and the component cost can be reduced. ..

Further, in the structure of the operation belt 1 according to the present embodiment, a protruding portion 13 formed by projecting a part of the stacked multi-layered portions 1A in the direction perpendicular to the plane is provided on the grip portion 12 side. The protruding portion 13 is formed so as to protrude larger than the width of the opening slit portion 61 in the short side direction. Then, in the protruding portion 13, a part of the multilayer portion 1A located on the opening slit portion 61 side is bent in the direction perpendicular to the plane, and the overlapped portions are joined at a height position equal to or less than half of the protruding height H. At the same time, the multilayer portion 1A is joined between the protruding portion 13 and the grip portion 12, while the multilayer portion 1A including the belt end portion 1c on the opening slit portion 61 side located closer to the protruding portion 13 is joined. It has a structure that is not used.
Therefore, in the structure of the operation belt 1 according to the present embodiment, the protruding portion 13 having a predetermined protruding height H is formed in the multilayer portion 1A located on the opening slit portion 61 side, so that the stopper component It is possible to prevent the operation belt 1 from falling into the seat back 5 from the opening slit portion 61 without adding such a device, and it is possible to reduce the weight, cost and assembly man-hours of the parts. The structure of the operation belt 1 according to the present embodiment has a free structure in which the root portion side and the grip portion 12 side of the protruding portion 13 are joined and the opening slit portion 61 side is not joined. Therefore, the operation belt 1 is joined. Man-hours can be reduced and parts costs can be reduced. Moreover, since the portion of the multi-layer portion 1A having a free structure is present, the length of the belt material and the dimensional tolerance of the joint portion which is the sewn portion 14 can be absorbed, and the operation belt 1 has an appearance caused by wrinkles. It is possible to prevent the deterioration of the appearance and improve the appearance quality.

Further, in the structure of the operation belt 1 according to the present embodiment, the multi-layer portion 1A on the opening slit portion 61 side extends from the sewn portion 14a of the joint portion on the grip portion 12 side to the belt end portion 1c on the opening slit portion 61 side. Since the length L1 is formed to be larger than the length L2 from the belt surface portion 1d to the top portion 13b of the protruding portion 13, it is possible to take a sufficiently long unjoined portion on the belt end portion 1c side of the operation belt 1. The protruding portion 13 can be made difficult to fall down. Therefore, according to the structure of the operation belt 1 of the present embodiment, even if the protruding portion 13 comes into contact with the opening slit portion 61, it is possible to prevent the operation belt 1 from being pulled into the seat back 5 and falling. The operability can be improved.

Then, in the structure of the operation belt 1 according to the present embodiment, the inside of the seat back 5 of the vehicle seat 4 which is a structure is located inside the opening slit portion 61 and is rotatably held by the fixing bracket 7. The roller 8 is provided. The axial center C of the roller 8 is arranged parallel to the long side direction of the opening slit portion 61, and the single layer portion 1B of the operation belt 1 is arranged so as to be bent in the direction of the opening slit portion 61 while being in contact with the roller 8. ing. Therefore, in the structure of the operation belt 1 according to the present embodiment, even if the operation belt 1 is bent by about 90 degrees in the direction of the opening slit portion 61 via the roller 8, the bent portion is the single layer portion 1B. Since the location is flexible and the flexibility is ensured, the operation mechanism (not shown) can be operated by the operation belt 1 without any trouble. Moreover, since the roller 8 is installed at the bent portion of the operation belt 1, it is possible to prevent the operation belt 1 from being broken due to friction with the roller 8, and the durability of the operation belt 1 can be improved. ..

Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and various modifications and modifications can be made based on the technical idea of the present invention.

For example, in the above-described embodiment, the belt-side engaging portion 11 and the grip portion 12 of the operation belt 1 are formed in a loop shape, but at least the end portion 1b on the grip portion 12 side is formed in a loop shape. Just do it. The end portion 1a on the belt side engaging portion 11 side may have any form as long as it is configured to be engageable with the lever side engaging portion 21 of the operating lever 2.

1 Operation belt 1a One end side 1b Other end side 1c Belt end on the opening slit side 1d Belt surface 1A Multi-layer 1B Single-layer 2 Operation lever 4 Vehicle seat 5 Seat back (structure)
6 Cover member 7 Fixed bracket 8 Roller 11 Belt side engaging part of operation belt 12 Gripping part of operating belt 13 Protruding part 13a Sewing part 13b Top 14 Sewing part 21 Lever side engaging part of operating lever 51 Seat back panel 51a Through hole 53 Seat back board 53a Through hole 61 Opening slit part C Roller axis H Protruding height of protruding part L1 Length from the joint on the grip side to the belt end on the opening slit side L2 From the belt surface to the protruding part Length to the top R1 Area between the protrusion and the grip R2 Area including the belt end on the opening slit side

Claims (3)

An operation belt provided for operating an operation mechanism installed in a vehicle, one end side of which is held by the operation mechanism, the other end side is formed with a grip portion for gripping during operation, and one end side is In the structure of the operation belt, which is arranged inside the structure and the other end side is arranged outside the structure through the opening provided in the structure.
The opening of the structure is an elongated opening slit.
The operation belt is composed of one flat belt, and at least the end on the grip side is formed in a loop shape by folding both ends of the flat belt inward and joining them at the overlapped ends. , It is composed of two overlapping multi-layered parts located at both ends and one single-layered part located in the middle part .
On the grip portion side, a protruding portion formed by projecting a part of the stacked multi-layered portions in the direction perpendicular to the plane is provided, and the protruding portion is wider than the width of the opening slit portion in the short side direction. Is also formed with a large protrusion,
In the protruding portion, a part of the multi-layered portion located on the opening slit portion side is bent in the direction perpendicular to the plane, and the overlapped portion is joined at a height position of half or less of the protruding height, and the above-mentioned A structure in which the multi-layered portion is joined between the protruding portion and the gripped portion, while the multi-layered portion including the belt end portion on the opening slit portion side located closer to the protruding portion is not joined. structure of operation belt, characterized in that has become. The multi-layered portion on the opening slit portion side is formed so that the length from the joint portion on the grip portion side to the end portion on the opening slit portion side is larger than the length from the belt surface portion to the top portion of the protruding portion. The structure of the operation belt according to claim 1, wherein the operation belt is provided. Inside the structure, a roller located inside the opening slit portion and rotatably held by the fixing bracket is provided, and the axis of the roller is parallel to the long side direction of the opening slit portion. Placed in
The structure of the operation belt according to claim 1 or 2, wherein the single-layer portion of the operation belt is arranged so as to be bent in the direction of the opening slit portion while being in contact with the roller.

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