JP2020100210A - Pad for seat belt - Google Patents

Abstract

To provide a pad which eliminates looseness of a seat belt during storage of the seat belt.SOLUTION: A pad 10 for a seat belt includes a plurality of pad constituents 11 linked along a seat belt 70. The pad constituent 11 has: a base plate 21 superimposed on the seat belt 70 from its rear side in order to fix pad parts 12; and a pair of belt nipping parts 22, 22 that nip the seat belt 70 in the width direction by projecting from the base plate 21 to its front side. On an inside surface and an outside surface of the belt nipping parts 22, an engagement projection 32 and an engagement groove 31 are provided, and two neighboring pad constituents 11 are linked by recess-projection engagement of the engagement projection 32 of one pad constituent 11 and the engagement groove 31 of another pad constituent 11. Further, the plurality of pad constituents 11 are in an expanded state when the engagement projections 32 are arranged at one end of the engagement grooves 31, and in a stacked state when the engagement projections 32 are arranged at the other end of the engagement grooves 31.SELECTED DRAWING: Figure 13

Description

The present disclosure relates to a seat belt pad attached to a seat belt.

The seat belt pad of Patent Document 1 has a pad fixed to a pad support portion through which the seat belt is inserted. In addition, the same document also shows an example in which the pad is divided into a plurality of pieces in order to enhance the fit to the body.

Actual Kaihei No. 6-78118 (paragraphs [0019], [0027], FIG. 1(b), FIG. 1(g))

By the way, both ends of the seat belt are fixed to a winding device and an anchor member arranged near a lower end of a pillar of a vehicle, and an intermediate portion of the seat belt is hung on a shoulder anchor attached to an upper part of the pillar. There is. A tongue plate is slidably attached to a portion of the seat belt that is sandwiched between the shoulder anchor and the anchor member.When the seat belt is retracted, the seat belt is wound by a retractor and the tongue plate is slid. It can be pulled up toward the anchor.

Here, if the seatbelt pad of Patent Document 1 is attached to a portion of the seatbelt that is sandwiched between the shoulder anchor and the tongue plate, the tongue plate cannot be pulled up to a position near the shoulder anchor when the seatbelt is retracted. The seat belt becomes slackened, and as a result, the seat belt may be caught in the door or may be an obstacle when the occupant moves up and down. Therefore, it has been required to eliminate the slack of the seat belt when the seat belt is stored.

The invention according to claim 1 made in order to solve the above-mentioned problems is a seat belt pad in which a plurality of pad structures are connected along a seat belt, wherein the pad structure is provided on the back side of the seat belt. A base plate for fixing a pad portion on a back surface facing away from the seat belt and a pair of belt sandwiching portions projecting from the base plate to the front side for sandwiching the seat belt in the width direction; and a front side of the seat belt. A bridge portion that connects the pair of belt sandwiching portions to each other to form a belt insertion port through which the seat belt is inserted, and a surface of the pair of belt sandwiching portions facing inward in the facing direction. And an engaging recess and an engaging recess are provided on a surface facing outward in the facing direction, and two adjacent pad structures have the engaging projection of one pad structure and the other pad structure. The engaging recesses of the body are connected to each other by engaging in concave and convex, and the engaging recesses are formed by grooves or elongated holes extending along the base plate, and move the engaging protrusions in the extending direction thereof. The plurality of pad structures are in a deployed state in which the base plates are aligned along the seat belt when the engagement protrusion is arranged at one end of the engagement recess, A seatbelt pad that is in a stack state in which the base plate is stacked substantially vertically to the seatbelt when the protrusion is disposed at the other end of the engagement recess.

According to a second aspect of the present invention, the engaging recess is formed at one end of the engaging recess, and the engaging protrusion is moved obliquely with respect to the extending direction of the base plate to form a plurality of the pad structures. A tilt guide part that shifts the base plate of the body in the thickness direction, and a base plate of the plurality of pad constructions that are connected to the tilt guide part and that move the engaging protrusions in the extending direction of the base plate. The seatbelt pad according to claim 1, further comprising a parallel guide portion that shifts in parallel.

According to a third aspect of the present invention, the belt sandwiching portion is provided with a step portion that pushes a side farther from the base plate outward in a width direction of the seat belt, and the base plate is more than the step portion of the belt sandwiching portion. The protruding portion apart from is configured to sandwich the base plate of the adjacent pad structure in the width direction of the seat belt in the stacked state, and the engagement protrusion is formed from the protruding portion. The projecting inward in the width direction of the seat belt, the engagement recess is formed in a surface of the belt sandwiching portion excluding the projecting portion, the surface facing outward in the width direction of the seat belt. The seatbelt pad according to 1 or 2.

According to a fourth aspect of the present invention, the belt sandwiching portion projects in the extending direction of the seat belt in the unfolded state and overlaps the belt sandwiching portion of the adjacent pad structure in the width direction of the seat belt. A portion is formed, the bridging portion communicates between the overhanging portions, and is spaced apart from the base plate in both the extending direction of the seat belt and the thickness direction of the seat belt when in the deployed state. The seatbelt pad according to any one of claims 1 to 3, wherein the pad is a seatbelt pad.

According to a fifth aspect of the present invention, the bridging portion is formed in a plate shape parallel to the base plate in a stepwise manner, and sandwiches the seat belt between the base plate of the adjacent pad structure in the expanded state. The seatbelt pad according to item 4.

The invention according to claim 6 is the pad for a seat belt according to any one of claims 1 to 5, wherein a slit for passing a seat belt through the belt insertion port is formed in the bridge portion. is there.

According to the invention of claim 1, the plurality of pad structures are changed into a developed state in which the base plates are arranged along the seat belt and a stacked state in which the base plates are stacked substantially vertically to the seat belt. Therefore, when the seat belt is stored, the tongue plate can be pulled up to the vicinity of the shoulder anchor because the plurality of pad structures are in the stack state, and the slack of the seat belt is eliminated.

In the invention of claim 2, the engaging projection is moved from one end to the other end of the engaging recess in association with the pulling up of the tongue plate to change the plurality of pad structures from the deployed state to the stacked state. Is possible.

According to the invention of claim 3, in the two adjacent pad structures, in the width direction of the seat belt, the pair of belt sandwiching parts of one pad structure are squeezed out to the pair of belt sandwiching parts of the other pad structure. Since the portion excluding the protruding portion is sandwiched, it is possible to make the two pad structures the same size. This makes it possible to configure a plurality of pad structures with the same component.

According to the fourth aspect of the invention, when the plurality of pad structures are changed from the deployed state to the stacked state, it is easy to secure a gap through which the seat belt is inserted between the base plate and the bridge portion, and the plurality of pad configurations are provided. You will be able to smoothly change the state of the body.

According to the invention of claim 5, in the deployed state, the plurality of pad structures are easily arranged along the seat belt.

According to the invention of claim 6, the pad structure can be attached to the seat belt by passing the seat belt through the slit of the bridge portion, and the seat belt pad can be easily attached to the seat belt.

A perspective view for explaining a use state of a seatbelt pad according to an embodiment of the present disclosure. Perspective view of the front side of the seat belt pad (A) perspective view of the seatbelt pad seen from the back side, (B) side sectional view Perspective view of the pad structure seen from the front side Perspective view seen from the back side of the pad structure (A) Back view of the pad structure, (B) Side view FIG. 3 is a side cross-sectional view for explaining the positional relationship between the two pad structures when the engagement protrusion moves in the engagement groove. FIG. 3 is a side cross-sectional view for explaining the positional relationship between the two pad structures when the engagement protrusion moves in the engagement groove. Sectional drawing which cut|disconnected the two pad structure bodies when an engaging protrusion is received by the base end part of an engaging groove in the opposing direction of a belt clip part. (A) Perspective view of the seatbelt pad in a developed state as seen from the backside of the seatbelt, (B) Side sectional view (A) Perspective view of the seatbelt pad seen from the backside of the seatbelt when the engaging protrusion is received by the inclination guide part, (B) side sectional view (A) Perspective view of the seatbelt pad seen from the backside of the seatbelt when the engaging protrusion is received by the parallel guiding part, (B) Side sectional view (A) Perspective view of the seatbelt pad in a stacked state seen from the backside of the seatbelt, (B) Side sectional view Cross-sectional view of the seat belt pad in a stacked state taken along a plane perpendicular to the width direction of the seat belt. (A) The perspective view which looked at the pad structure which concerns on other embodiment from the front side, (B) The perspective view seen from the back side. The perspective view which looked at the pad structure which concerns on other embodiment from the back side. Sectional drawing which cut|disconnected the pad structure which concerns on other embodiment to the opposing direction of a belt pinch part.

As shown in FIG. 1, the seatbelt pad 10 according to the present embodiment is attached to a seatbelt 70.

One end of the seat belt 70 in the longitudinal direction is locked by a winding device 71 arranged at the lower end of the pillar 91 of the vehicle 90, and the other end of the seat belt 70 in the vicinity of the lower end of the pillar 91 is an anchor member 72. Is locked to. A shoulder anchor 73 is attached to an upper portion of the pillar 91, and an intermediate portion in the longitudinal direction of the seat belt 70 is hung on the shoulder anchor 73. A tongue plate 74 is slidably attached to a portion of the seat belt 70 that is sandwiched between the anchor member 72 and the shoulder anchor 73. Then, when the tongue plate 74 is connected to the buckle 93 provided on the center side in the vehicle width direction of the vehicle seat 92, the seat belt 70 is put on the occupant (used state). At this time, a portion of the seat belt 70 sandwiched between the shoulder anchor 73 and the tongue plate 74 restrains the upper body of the occupant, and a portion of the seat belt 70 sandwiched between the anchor member 72 and the tongue plate 74 occupies the waist of the occupant. to bound. When the tongue plate 74 is detached from the buckle 93, the seat belt 70 is wound up by the winding device 71 to be in the stored state.

As shown in FIGS. 2 and 3, the seatbelt pad 10 includes a plurality of pad structures 11 connected along a seatbelt 70. The pad structure 11 is configured by fixing the pad portion 12 to the base portion 20 through which the seat belt 70 is inserted.

As shown in FIGS. 4 and 5, the base portion 20 includes a base plate 21 that is overlaid on the seat belt 70 from the back side, and a pair of belts that protrude from both sides of the base plate 21 to the front side and sandwich the seat belt 70 in the width direction. The pinching portions 22, 22 and the base plate 21 are arranged on one end side in the extending direction of the seat belt 70 with respect to the base plate 21 when the base plate 21 is overlapped with the seat belt 70, and a pair of belt pinching portions 22 on the front side of the seat belt 70. , 22 and a bridge plate 28 that connects the two and forms a belt insertion opening 20A with the base plate 21.

The base plate 21 is formed in a rectangular plate shape, and is arranged such that the long side direction thereof faces the width direction of the seat belt 70. The above-mentioned pad portion 12 is fixed to the back surface of the base plate 21 that faces away from the seat belt 70. The pad portion 12 is formed in a quadrangular pyramid shape that narrows as it goes away from the base plate 21.

The belt sandwiching portion 22 includes a side rail 23 extending along the short side of the base plate 21 on the front side of the base plate 21, and an extension of the seat belt 70 when the base plate 21 of the side rail 23 is overlapped with the seat belt 70. The side projecting piece 27 projecting to the front side of the base plate 21 from a portion arranged on the other end side in the direction.

The side rail 23 includes a parallel line portion 24 that is parallel to the short side of the base plate 21, and a projecting portion 25 that extends from one end of the parallel line portion 24 and projects from the base plate 21. Here, in the side rail 23, when the side on which the overhanging portion 25 is arranged is referred to as the front end side, the overhanging portion 25 is separated from the base plate 21 toward the front end side with respect to the short side of the base plate 21. The inclined linear portion 25A is inclined, and the protruding piece portion 25B protruding from the tip end of the inclined linear portion 25A toward the back side of the base plate 21. In the following description, in the pad structure 11, the side of the base plate 21 on which the overhanging portion 25 is arranged is appropriately referred to as the tip side, and the opposite side thereof is appropriately referred to as the base side.

An engagement groove 31 extending along the short side direction of the base plate 21 is formed on a surface of the side rail 23 facing the widthwise outer side of the seat belt 70. The engagement groove 31 includes a parallel groove portion 31A extending linearly along the parallel linear portion 24, and an inclined groove portion 31B extending from the tip of the parallel groove portion 31A and extending along the inclined linear portion 25A. The base end portion of the inclined groove portion 31B (end portion on the parallel groove portion 31A side) is curved so as to become parallel to the parallel linear portion 24 as it approaches the parallel groove portion 31A.

The side projecting piece 27 projects from the base end portion (that is, the end portion on the opposite side of the overhang portion 25) of the parallel line portion 24 of the side rail 23. More specifically, the side protrusion 27 has a step portion 27A that offsets the protruding tip side thereof to the outside of the pair of belt sandwiching portions 22, 22 in the facing direction, and protrudes from the step portion 27A of the side protrusion 27. The portion on the tip end side is an extruding portion 27B that is extruded outward with respect to the side rail 23. The side projecting piece 27 is formed in a trapezoidal shape, and the base end edge of the side projecting piece 27 moves toward the tip end side of the side rail 23 (the side where the overhanging part 25 is arranged) as the side projecting piece 27 moves away from the base plate 21. Is so inclined.

As shown in FIG. 4, the side projecting piece 27 has a projecting portion 27B projecting to the side opposite to the projecting direction of the projecting portion 27B (ie, inside the pair of belt sandwiching portions 22, 22 in the facing direction). The engaging protrusion 32 is formed. The engagement protrusion 32 is formed in a cylindrical shape, and the protrusion tip of the engagement protrusion 32 is located inside the end faces of the side rails 23 that face outward in the facing direction of the pair of belt sandwiching portions 22, 22. It is located in.

As shown in FIGS. 4 and 5, the bridging plate 28 connects the overhanging portions 25 of the side rails 23 to each other, and the seat belt 70 with respect to the base plate 21 in both the short side direction and the thickness direction of the base plate 21. Are spaced apart from each other with a thickness equal to or greater than the thickness of. Specifically, the bridging plate 28 is arranged in parallel with the base plate 21 in a stepwise manner (see FIG. 6B), and is bridged between the projecting pieces 25B of the overhanging portion 25.

As shown in FIG. 6(A), the bridging plate 28 is formed with a slit 28S for passing the seat belt 70 through the belt insertion opening 20A. Specifically, the belt insertion opening 20A is formed in a rectangular shape that is long in the direction in which the pair of belt holding portions 22 and 22 face each other, and the slit 28S has a pair of belt holding portions as it approaches the belt insertion opening 20A. It is inclined so as to face one side in the facing direction of 22, 22.

As shown in FIGS. 2 and 7(A), between two adjacent pad structures 11, one pad structure 11 (the right pad structure 11 in FIG. 7(A)) The side rails 23 of the pair of belt sandwiching portions 22 and 22 of the other pad structure 11 are sandwiched between the side protrusions 27 of the belt sandwiching portions 22 and 22, and the engaging protrusion 32 of one pad structure 11 is disposed. It engages with the engaging groove 31 of the other pad structure 11 in a concavo-convex manner. The two pad structures 11 are connected by the concave and convex engagement between the engaging groove 31 and the engaging protrusion 32.

By the way, the engagement protrusion 32 of the one pad structure 11 can move in the engagement groove 31 of the other pad structure 11. As shown in FIGS. 2 and 7(A), when the tip end portion of the side rail 23 in the other pad structure 11 is sandwiched between the side projections 27 of the one pad structure 11, the engagement is achieved. The protrusion 32 is received by the tip of the inclined groove 31B of the engaging groove 31 (the end opposite to the parallel groove 31A). At this time, the base plates 21 of the two pad structures 11 are arranged substantially flush with each other along the seat belt 70.

When the engagement protrusion 32 moves to the base end side of the engagement groove 31 from the state of FIG. 7A, the engagement protrusion 32 moves obliquely with respect to the short side direction of the base plate 21 by the inclined groove portion 31B. .. As a result, as shown in FIG. 7B, one pad structure 11 (the right pad structure 11 in FIG. 7B) moves to the proximal side with respect to the other pad structure 11. Meanwhile, it shifts to the back side of the base plate 21 in the thickness direction.

When the engagement protrusion 32 further moves to the base end side of the engagement groove 31 from the state shown in FIG. 7B, the engagement protrusion 32 is received in the parallel groove 31A from the inclined groove 31B. Here, as described above, since the base end portion of the inclined groove portion 31B (end portion on the parallel groove portion 31A side) is curved so as to be parallel to the parallel linear portion 24 as it approaches the parallel groove portion 31A, The abutting portion 32 can be smoothly moved to the parallel groove portion 31A.

As shown in FIG. 8(A), when the engagement protrusion 32 received in the parallel groove 31B further moves toward the base end side of the engagement groove 31, the engagement protrusion 32 is moved by the parallel groove 31A to the base plate 21. Move in the short side direction. As a result, the one pad structure 11 (the upper pad structure 11 in FIG. 8A) moves to the base end side with respect to the other pad structure 11.

As shown in FIG. 8(B), when the engagement protrusion 32 moves to the base end of the engagement groove 31, one pad structure 11 (the upper pad structure 11 in FIG. 8(B)) The other pad structure 11 is overlapped from the back side, and the pad portion 12 of the other pad structure 11 is superposed on the front side of the base plate 21 of the one pad structure 11. At this time, as shown in FIG. 9, the base plate 21 and the pad part 12 of the other pad structure 11 are accommodated between the pair of belt sandwiching parts 22, 22 of the one pad structure 11, The side protrusion 27 of the other pad structure 11 is arranged directly above the side protrusion 27 of the pad structure 11. Here, as described above, since the pad portion 12 is formed in the truncated pyramid shape, the interference with the belt sandwiching portion 22 is suppressed. Further, in the belt clip portion 22, the side protrusions 27 project toward the outside of the pair of belt clip portions 22 and 22 in the facing direction with respect to the side rail 23, so that between the two pad constructions 11, It is possible to make the lengths of the pair of belt sandwiching portions 22, 22 in the facing direction the same, and it is possible to form the two pad structures 11 with the same component.

In the seatbelt pad 10 of the present embodiment, as shown in the change from FIG. 10A to FIG. 13A, when the seatbelt 70 changes from the use state to the storage state, two adjacent pad configurations are provided. The body 11 changes from the state shown in FIG. 7(A) to the state shown in FIG. 8(B). As a result, in the plurality of pad structures 11, the base plate 21 is substantially perpendicular to the seat belt 70 from the deployed state (the state of the seat belt pad 10 shown in FIG. 10A) in which the base plate 21 is arranged along the seat belt 70. Then, the stack state is changed to the stacked state (the state of the seatbelt pad 10 shown in FIG. 13A). Hereinafter, the state change of the plurality of pad structures 11 will be described.

As shown in FIG. 10A, when the seat belt 70 is in use, the plurality of pad structures 11 are in the unfolded state and are arranged along the seat belt 70. At this time, the engagement protrusion 32 of the pad structure 11 is received by the tip of the engagement groove 31 of the adjacent pad structure 11 (the pad structure 11 one lower in FIG. 10A). .. Further, as shown in FIG. 10B, the belt insertion opening 20A is overlapped in the short side direction (extending direction of the side rail 23) of the base plate 21 between the plurality of pad structures 11 to allow the belt insertion. The seat belt 70 is inserted through the mouth 20A. Here, in the present embodiment, the bridging plate 28 is formed in a plate shape that is parallel to the base plate 21 in a stepwise manner, and the seat belt 70 is sandwiched between the base plate 21 of the adjacent pad structure 11, so in the unfolded state. The plurality of pad structures 11 are easily arranged along the seat belt 70.

The seatbelt pad 10 is suspended from the shoulder anchor 73. Specifically, the suspension member 75 fixed to the shoulder anchor 73 is attached to the bridging plate 28 of the pad structure 11 arranged at the top, and the plurality of pad structures 11 are self-weighted. They are arranged linearly along the seat belt 70. The hanging member 75 is composed of, for example, a strap or a belt.

When the seat belt 70 changes from the use state to the storage state, the seat belt 70 is wound up by the winding device 71 (see FIG. 1), and the tongue plate 74 is pulled up toward the shoulder anchor 73. Then, as shown in FIG. 11A, the lowermost pad structure 11 is pushed upward by the tongue plate 74. Then, as shown in FIG. 11(B), the engagement protrusion 32 of the upper pad structure 11 moves to the base end side of the inclined groove 31B of the engagement groove 31 of the lower pad structure 11. .. As a result, the two pad structures 11 are displaced in the thickness direction of the base plate 21 and are rotated so that the front ends thereof face the front side of the seat belt 70.

When the pad structure 11 is pushed further upward by the tongue plate 74 as shown in FIG. 12(A), the engaging protrusions 32 of the upper pad structure 11 as shown in FIG. 12(B). Is received by the parallel groove portion 31A from the inclined groove portion 31B of the engaging groove 31 of the lower pad structure 11, and moves the parallel groove portion 31A to the base end side. At this time, the pad part 12 of the lower pad structure 11 is sandwiched between the pair of belt sandwiching parts 22, 22 of the upper pad structure 11, and the base plate 21 of the upper pad structure 11 is located on the lower side. It overlaps with the base plate 21 of the pad structure 11.

Then, as shown in FIG. 13(A), when the pad structure 11 is pushed further upward by the tongue plate 74, as shown in FIG. 13(B), the engagement protrusion of the upper pad structure 11 is engaged. The portion 32 is received in the proximal end portion of the engagement groove 31 of the lower pad structure 11. Then, the base plate 21 of the pad structure 11 is arranged substantially perpendicular to the seat belt 70, and the belt insertion port 20A is overlapped in the thickness direction of the base plate 21 between the plurality of pad structures 11 (see FIG. 14). As a result, the plurality of pad structures 11 are in a stacked state in which the base plate 21 is stacked substantially vertically to the seat belt 70.

In the change of FIG. 7(A)→FIG. 7(B)→FIG. 8(A)→FIG. 8(B), when the engagement protrusion 32 moves in the engagement groove 31, two pad structures 11 are formed. The seat belt 70 passing through the belt insertion port 20A inclines with respect to the extending direction of the side rails 23 (short side direction of the base plate 21). From this, it is understood that when the engagement protrusion 32 moves in the engagement groove 31, the pad structure 11 rotates with respect to the seat belt 70 along with the movement.

When the seat belt 70 changes from the stored state to the used state, the tongue plate 74 is pulled down. Then, as shown in the change of FIG. 13(B)→FIG. 12(B)→FIG. 11(B)→FIG. 10(B), the pad structure 11 has the base end of the side rail 21 downward due to its own weight. The engaging protrusion 32 of the upper pad structure 11 moves from the base end to the tip of the engaging groove 31 of the lower pad structure 11. As a result, the base plate 21 of the upper pad structure 11 is displaced in the short side direction and arranged substantially flush with the base plate 21 of the lower pad structure 11, and the base plates 21 of the plurality of pad structures 11 are seated. They are arranged along the belt 70. Then, the plurality of pad structures 11 are in the expanded state.

As described above, in the seatbelt pad 10 of the present embodiment, the plurality of pad structures 11 are in a developed state (see FIGS. 10A and 10B) in which the base plates 21 are arranged along the seatbelt 70. , And the stacked state in which the base plates 21 are stacked substantially vertically to the seat belt 70 (see FIGS. 13A and 13B). When the seat belt 70 is in the retracted state, the tongue plate 74 can be pulled up to the vicinity of the shoulder anchor 73 by the plurality of pad structures 11 being in the stack state, and the slack of the seat belt 70 is eliminated. Is planned.

Further, in the present embodiment, the inclined groove portion 31B of the engaging groove 31 is inclined so as to be separated from the base plate 21 toward the tip side, and the parallel groove portion 31A extends linearly along the short side direction of the base plate 21. Therefore, when the engagement protrusion 32 moves in the inclined groove portion 31B, the pad structure 11 is displaced in the thickness direction of the base plate 21, and when the engagement protrusion 32 moves in the parallel groove part 31A, the pad structure 11 is moved to the base plate 21. It is possible to shift in the short side direction of 21. Thereby, while the tongue plate 74 is pulled up, the plurality of pad structures 11 are changed from the deployed state to the stacked state while moving the engagement protrusion 32 from the tip end portion to the base end portion of the engagement groove 31. Is possible.

Further, in the present embodiment, the bridging plate 28 that forms the belt insertion opening 20A between the base plate 21 and the base plate 21 is formed on the base plate 21 in both the extending direction of the seat belt 70 and the thickness direction of the seat belt 70 in the unfolded state. In contrast, they are arranged at intervals. Accordingly, when the plurality of pad structures 11 are changed from the deployed state to the stacked state, it is easy to secure a gap in which the seat belt 70 is inserted between the base plate 21 and the bridging plate 28, and the plurality of pad structures 11 are formed. You can smoothly change the state of.

In this embodiment, the bridging plate 28 corresponds to the "bridging portion" and the engagement groove 31 corresponds to the "engaging recess". Further, the parallel groove portion 31A and the inclined groove portion 31B of the engagement groove 31 correspond to the “parallel guide portion” and the “inclination guide portion” described in the claims, respectively.

[Other Embodiments]
(1) In the above-described embodiment, the concave portion that engages with the engaging protrusion 32 is the engaging groove 31, but it may be a long hole.

(2) The side protrusions 27 of the belt sandwiching portion 22 may project from the entire parallel linear portions 24 of the side rails 23, as shown in FIGS. 15(A) and 15(B).

(3) The slit 28S may be formed obliquely with respect to the thickness direction of the bridging plate 28, as shown in FIG. In this case, the slit 28S may be perpendicular or oblique to the facing direction of the pair of belt sandwiching portions 22, 22.

(4) In the above embodiment, the bridging plate 28 is provided with the slit 28S, but the slit 28S may not be provided. In this case, for example, the bridging plate 28 may be attachable to and detachable from the belt sandwiching portion 22.

(5) In the above-described embodiment, the “bridge portion” that connects the pair of belt sandwiching portions 22 and 22 and forms the belt insertion opening 20</b>A with the base plate 21 is a plate-shaped member (bridge plate 28 ). However, it may be a shaft-shaped member.

(6) As shown in FIG. 17, the side projecting piece 27 does not have to include the protruding portion 27B. Even in this case, the length of the base plate 21 in the opposing direction of the pair of belt sandwiching portions 22, 22 between the two adjacent pad structures 11 (the length of the long side of the base plate 21 in the above embodiment). By differentiating the above, the engaging protrusion 32 of the one pad structure 11 and the engaging groove 31 of the other pad structure 11 can be engaged and recessed to connect the two pad structures 11. it can.

(7) In the above embodiment, the base plate 21 is configured such that the width direction of the seat belt 70 is the long side direction, but the width direction of the seat belt 70 is the short side direction. Good. Further, the base plate 21 may have a square shape.

10 Seatbelt Pad 11 Pad Structure 12 Pad Part 20 Base Part 20A Belt Insertion Port 21 Base Plate 22 Belt Clipping Part 28 Bridge Plate (Bridge Part)
31 Engagement groove (engagement recess)
31A Parallel groove part (parallel guide part)
31B Inclined groove part (inclination guide part)
32 engagement protrusion 70 seat belt

Claims (6)

A seatbelt pad comprising a plurality of pad components connected along a seatbelt,
The pad structure includes a base plate that is overlaid on the seat belt from the back side and that fixes a pad portion to a back surface that faces the opposite side of the seat belt, and a pair that projects from the base plate to the front side and sandwiches the seat belt in the width direction. A belt nipping portion, and a bridge portion that connects the pair of belt nipping portions on the front side of the seat belt to form a belt insertion opening into which the seat belt is inserted,
An engagement protrusion and an engagement recess are provided on a surface of the pair of belt sandwiching portions facing inward in the facing direction and a surface facing outward in the facing direction,
The two adjacent pad structures are connected to each other by engaging and recessing the engagement protrusion of one pad structure and the engagement recess of the other pad structure,
The engagement recess is formed by a groove or an elongated hole extending along the base plate, and is configured to move the engagement protrusion in the extending direction thereof.
The plurality of pad structures are in a deployed state in which the base plates are lined up along the seat belt when the engaging protrusion is disposed at one end of the engaging recess, and the engaging protrusion is engaged with the engaging protrusion. A seatbelt pad, which is in a stacked state in which the base plate is stacked substantially vertically to the seatbelt when it is arranged at the other end of the recess. The engagement recess is
An inclination guide portion formed at one end of the engagement concave portion and configured to move the engagement protrusion obliquely with respect to the extending direction of the base plate to shift the base plates of the plurality of pad structures in the thickness direction. ,
2. A parallel guiding part, which is connected to the tilt guiding part and moves the engaging projection in the extending direction of the base plate to shift the base plates of the plurality of pad structures in parallel. Seatbelt pad described in. The belt sandwiching portion is provided with a step portion that pushes the side far from the base plate outward in the width direction of the seat belt.
The protruding portion of the belt holding portion that is farther from the base plate than the step portion is configured to sandwich the base plate of the adjacent pad structure in the width direction of the seat belt when in the stacked state. ,
The engagement protrusion protrudes inward in the width direction of the seat belt from the protruding portion,
The seatbelt pad according to claim 1 or 2, wherein the engagement recess is formed on a surface of the belt sandwiching portion excluding the protruding portion, the surface facing outward in the width direction of the seatbelt. In the belt sandwiching portion, an overhanging portion is formed that overhangs in the extending direction of the seat belt in the expanded state and overlaps the belt sandwiching portion of the adjacent pad structure in the width direction of the seat belt,
The bridge portion connects the bulging portions to each other, and is arranged at a distance from the base plate in both the extending direction of the seat belt and the thickness direction of the seat belt when in the deployed state, The seatbelt pad according to any one of claims 1 to 3. The seat belt according to claim 4, wherein the cross-linking portion is formed in a plate shape parallel to the base plate in a stepped manner, and sandwiches the seat belt between the base plate of the adjacent pad structure in the expanded state. Pad. The seatbelt pad according to any one of claims 1 to 5, wherein a slit for passing a seatbelt through the belt insertion opening is formed in the bridge portion.