JP2016137884A - Buckle device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a buckle device which restricts movement of a wire harness connected to a buckle body without increasing the number of assembly work hours.SOLUTION: A buckle device 10 includes: a buckle body 12 configured to hold a tongue into which webbing worn by an occupant is inserted; a fixed plate 16 fixed to a vehicle seat; a wire harness 14 connected to the buckle body 12; and connection webbing 18 formed into a belt form and connecting the buckle body 12 with the fixed plate 16. The buckle device 10 includes a boot 20 configured to cover the connection webbing 18 in a state where a part of the wire harness 14 is disposed therein and having a protruding part 66 which restricts movement of the wire harness 14 in a width direction of the connection webbing 18.SELECTED DRAWING: Figure 10B

Description

  The present invention relates to a buckle device.

  Patent Document 1 below discloses a buckle device (buckle support device for an automobile) including a buckle body (buckle device) that holds a tongue through which a webbing to be attached to an occupant is inserted. The buckle device described in this document includes a buckle body, an anchor plate fixed to the vehicle seat, an inner webbing that connects the buckle body and the anchor plate, and an inner boot formed in a cylindrical shape that covers the inner webbing. It is equipped with. The inner boot is inserted with a wire harness used for detecting whether or not the buckle body holds the tongue, and one end of the wire harness is led out from one end of the inner boot. Yes.

  Moreover, the wire harness is being fixed to the anchor plate via the outer side tape. Thereby, the movement of the wire harness is regulated.

JP 2013-35465 A

  However, in the buckle device described in Patent Document 1, it is necessary to wind an outer tape around the wire harness, so that the assembly man-hour of the buckle device increases.

  An object of the present invention is to obtain a buckle device that can regulate the movement of the wire harness connected to the buckle body without increasing the number of assembling steps in consideration of the above facts.

  The buckle device according to claim 1, wherein a buckle body that holds a tongue through which a webbing that is worn by an occupant is inserted, a fixing portion that is fixed to a vehicle seat or a vehicle body, and a wire harness that is connected to the buckle body; A connecting member that is formed in a belt shape and connects the buckle body and the fixing portion, covers the connecting member in a state in which a part of the wire harness is disposed inside, and the connection of the wire harness And a boot having a restricting portion that restricts movement of the member in the width direction.

  The buckle device according to claim 2 is the buckle device according to claim 1, wherein the restriction portion is provided in an intermediate portion of the boot in the width direction of the connecting member, so that the wire harness is connected to the boot. The connecting member can be disposed at one end in the width direction and the other end in the width direction.

  The buckle device according to claim 3 is the buckle device according to claim 1, wherein the restriction portion is provided at both ends of the boot in the width direction of the connecting member, so that the wire harness is connected to the boot. It can be arranged in the center in the width direction of the connecting member inside.

  The buckle device according to claim 4 is the buckle device according to any one of claims 1 to 3, wherein the buckle body is inserted into an end portion on one side of the boot, and the buckle body. However, the amount of insertion of the buckle body into the boot is regulated by contacting a part of the regulation part.

  According to the buckle device of the first aspect, the buckle device is fixed to the vehicle seat or the vehicle body by fixing the fixing portion to the vehicle seat or the vehicle body. Then, the tongue through which the webbing is inserted is held by the buckle body, so that the webbing is attached to the occupant. Here, in the present invention, the connecting member is covered with the boot, and the boot is provided with a restricting portion that restricts the movement of the connecting member of the wire harness in the width direction. Thereby, the movement in the boot of a wire harness can be controlled. Moreover, in the said structure, in order to control the movement in the boot of a wire harness, it does not need to pass processes, such as winding a tape etc. That is, according to the buckle device of the present invention, the movement of the wire harness connected to the buckle body can be restricted without increasing the number of assembly steps.

  According to the buckle device of the second aspect, the wire harness can be respectively disposed at the end portion on one side and the other end portion in the width direction of the connecting member in the boot. Thereby, the freedom degree of the wiring in the boot of a wire harness can be improved, aiming at sharing of a boot.

  According to the buckle device of the third aspect, the wire harness can be arranged at the center portion in the width direction of the connecting member in the boot. Thereby, the same buckle device can be used when the buckle device is provided on one side of the vehicle seat in the seat width direction and when the buckle device is provided on the other side.

  According to the buckle device of the fourth aspect, when the buckle body is inserted into the boot, the amount of insertion of the buckle body into the boot is regulated by the buckle body coming into contact with a part of the regulating portion. That is, the insertion of the buckle body into the boot is completed. With this configuration, it is possible to improve workability when assembling the buckle device.

It is the perspective view which looked at the buckle device of a 1st embodiment from the buckle main part side. It is a top view which shows the buckle apparatus of 1st Embodiment. It is a side view which shows the buckle apparatus of 1st Embodiment. It is sectional drawing which shows the cross section of the buckle apparatus cut | disconnected along line 4-4 shown by FIG. It is a top view which shows the state in which the buckle main body to which the wire harness was connected, and the fixing plate were connected by connection webbing. It is a perspective view which shows a fixed plate. It is a top view which shows boots. It is the front view which looked at the boot from the longitudinal direction one side. It is the rear view which looked at the boot from the longitudinal direction other side. It is sectional drawing which shows the cross section of the buckle apparatus cut | disconnected along the 10A-10A line shown by FIG. It is sectional drawing which shows the cross section of the buckle apparatus cut | disconnected along the 10B-10B line shown by FIG. It is sectional drawing which shows the cross section of the buckle apparatus cut | disconnected along the 10C-10C line shown by FIG. It is sectional drawing which shows the cross section of the buckle apparatus cut | disconnected along the 10D-10D line shown by FIG. It is sectional drawing which shows the cross section of the buckle apparatus cut | disconnected along the 10E-10E line shown by FIG. It is sectional drawing which shows the cross section of the buckle apparatus cut | disconnected along the 10F-10F line shown by FIG. It is a side view showing typically the state where the boot was bent by moving the buckle body to the outside in the width direction of the vehicle seat. It is a side view showing typically the state where the boot was bent by moving the buckle body to the inner side in the width direction of the vehicle seat. It is a top view corresponding to Drawing 2 showing the buckle device of a 2nd embodiment. It is sectional drawing which shows the cross section of the buckle apparatus cut | disconnected along the 14-14 line | wire shown by FIG.

(First embodiment)
A buckle device according to a first embodiment of the present invention will be described with reference to FIGS. 1 to 10F.

  As shown in FIGS. 1 to 3, the buckle device 10 of the present embodiment is disposed on the side of a vehicle seat (not shown) and is fixed to a seat cushion frame that constitutes a part of the vehicle seat. The The buckle device 10 is fixed to a buckle body 12 that holds a tongue through which a webbing that is worn by an occupant seated on a vehicle seat is inserted, a wire harness 14 that is connected to the buckle body 12, and a seat cushion frame. And a fixing plate 16 as a fixing portion. As shown in FIGS. 4 and 5, the buckle device 10 is formed in a band shape, and includes a connection webbing 18 as a connection member for connecting the buckle body 12 and the fixing plate 16, and one of the wire harnesses 14. And a boot 20 that covers the connecting webbing 18 in a state where the portion is disposed inside.

  The buckle body 12 is formed in a rectangular block shape, and a holding mechanism for holding a tongue (not shown) and a release mechanism for releasing the holding of the tongue by the holding mechanism are provided inside the buckle body 12. Further, as shown in FIG. 4, a locking portion 22 that locks one end portion of the connecting webbing 18, which will be described in detail later, is provided at the end portion of the buckle body 12 on the fixed plate 16 side.

  As shown in FIG. 5, the wire harness 14 includes a flexible wiring tube in which a plurality of wiring cords 24 connected to a switch used for detecting whether or not the buckle body 12 holds a tongue is flexible. It is comprised by being accommodated in 26. Moreover, in this embodiment, the wire harness 14 is extended along the edge of the transversal direction one side of the connection webbing 18 by planar view.

  As shown in FIG. 6, the fixed plate 16 is formed by pressing a steel plate material or the like. The fixed plate 16 has a circular opening 28 at the center and a disc. The disk part 30 formed in the shape and fixed to the seat cushion frame via a fastening member (not shown), and the connection webbing latch to which the other end in the longitudinal direction of the connection webbing 18 (see FIG. 5) is latched Part 32, and an inclined connection part 34 that connects the disk part 30 and the connecting webbing locking part 32.

  The disc portion 30 is provided with two projecting portions 36 that project outward in the radial direction of the disc portion 30. The projecting portion 36 abuts against a contacted portion provided on the seat cushion frame, whereby the disc portion 30 is restricted from rotating around the fastening member. Thereby, the buckle device 10 (see FIG. 1 and the like) is fixed to the seat cushion frame in a predetermined posture.

  Further, the inclined connecting portion 34 is inclined from the disc portion 30 toward the connecting webbing engaging portion 32 side. Thereby, the disc part 30 and the connection webbing latching | locking part 32 are offset and arrange | positioned in each thickness direction. In addition, the inclined connecting portion 34 is formed with a clip locking hole 40 in which a clip 38 (see FIG. 4) described later is locked.

  The connecting webbing engaging portion 32 is formed with an engaged portion formed in the shape of a long hole and a connecting webbing insertion hole 42 as a connecting member insertion hole. D is set to an inner diameter that is several times larger than the thickness of the connecting webbing 18 (see FIG. 5). As a result, as shown in FIG. 4, the engagement protrusion 72 provided on the boot 20 described later is provided between the connection webbing 18 inserted into the connection webbing insertion hole 42 and the inner edge of the connection webbing insertion hole 42. Can be engaged. A flange portion 44 that protrudes toward one side in the thickness direction of the connection webbing locking portion 32 is formed at the peripheral edge portion of the connection webbing insertion hole 42.

  As shown in FIGS. 4 and 5, the connecting webbing 18 is formed using the same material as the webbing that is attached to the occupant seated on the vehicle seat. As shown in FIG. 4, one side in the longitudinal direction of the connecting webbing 18 is bent in a U shape while being locked to the locking part 22 of the buckle body 12, and the length of the connecting webbing 18 is long. The other side in the direction is bent in a U shape while being inserted into the connecting webbing insertion hole 42 of the fixed plate 16. The end 18A on one side in the longitudinal direction of the connecting webbing 18, the end 18B on the other side in the longitudinal direction, and the intermediate part 18C in the longitudinal direction are joined together by sewing.

  The boot 20 covers the connecting webbing 18 in a state where a part of the wire harness 14 (see FIG. 5) is disposed inside, and the boot 20 pours a resin material, a rubber material, or the like into the mold. It is formed by being released from the mold after being cooled in step (b). Specifically, as shown in FIGS. 7 to 9, the boot 20 includes a cylindrical portion 46 that is formed in a cylindrical shape that covers the connecting webbing 18, and an extension that extends from the end of the cylindrical portion 46. Part 48.

  The cylindrical portion 46 is disposed on the inner wall 50 (see FIG. 8) disposed on the vehicle seat (seat cushion) side (not shown), and on the side away from the vehicle seat with respect to the inner wall 50 and the inner wall 50. And a pair of side walls 54 that connect both ends of the inner wall 50 in the short direction and both ends of the outer wall 52 in the short direction, so that the rectangular cylinder can be seen from the longitudinal direction. It is formed in a shape.

  As shown in FIG. 4, the inner wall 50 is formed in a rectangular plate shape that extends along the buckle body 12 and the connecting webbing 18. Further, the end of the inner wall 50 on the fixed plate 16 side is bent when the buckle body 12 is moved to the vehicle seat side (when the buckle body 12 is moved to the other side in the thickness direction of the connecting webbing 18). A depression 56 is formed as a second bend starting point that serves as a starting point. Further, the thickness of the portion of the inner wall 50 facing the buckle body 12 is set to be thinner than the thickness of the portion of the inner wall 50 facing the connecting webbing 18 (excluding the portion where the recess 56 is formed). . As shown in FIG. 7, in this embodiment, a recess 58 having the same configuration as that of the recess 56 is formed in a portion corresponding to the portion where the recess 56 is formed in the pair of side walls 54. Yes.

  As shown in FIG. 4, the outer wall 52 includes a first extending portion 60 disposed facing the buckle body 12 and a second extending portion 62 disposed facing the connecting webbing 18. . Further, a felt 64 formed in a sheet shape is joined to an end portion of the first extending portion 60 on the side away from the fixed plate 16. As shown in FIG. 4 and FIG. 7, as a restricting portion that is convex toward the connecting webbing 18 side at the intermediate portion of the second extending portion 62 in the width direction (short direction) of the connecting webbing 18. The convex portion 66 is formed. The convex portion 66 is formed in an elongated shape having the longitudinal direction of the connecting webbing 18 as the longitudinal direction. Since the convex portion 66 is formed in the second extending portion 62, as shown in FIG. 9, the wire harnesses 14 are arranged at both ends in the short direction of the second extending portion 62, respectively. A wire harness arrangement groove 68 is formed. As shown in FIGS. 10A to 10F, in this embodiment, the wire harness 14 is arranged in the wire harness arrangement groove 68 on the left side when the boot 20 is viewed from the fixing plate 16 (see FIG. 1 etc.) side. . Then, when the wiring tube 26 of the wire harness 14 abuts on the convex portion 66, the movement of the connection webbing 18 of the wire harness 14 in the width direction is regulated. In the present embodiment, the wire harness 14 is arranged in the left wire harness arrangement groove 68. However, depending on the position where the buckle device 10 is provided, the wire harness 14 may be arranged in the right wire harness arrangement groove 68. Good. In the configuration having the two wire harnesses 14, the two wire harnesses 14 can also be arranged in the left wire harness arrangement groove 68 and the right wire harness arrangement groove 68, respectively.

  Further, as shown in FIG. 4, in this embodiment, the buckle body 12 is fixed in a state where it is inserted into one end portion of the cylindrical portion 46. Then, the buckle body 12 is inserted into one end portion of the tubular portion 46, and the buckle body 12 comes into contact with the end portion 66 </ b> A on the one longitudinal side of the convex portion 66, so that the tubular shape of the buckle body 12 is obtained. The amount of insertion into the portion 46 is regulated.

  As shown in FIGS. 4 and 7, the end portion of the second extending portion 62 on the first extending portion 60 side is directed toward the first extending portion 60 side (as it is directed toward the buckle body 12 side). The first bending starting point portion and the thin wall thickness gradually changing portion 70 as the thin portion are gradually reduced in thickness. Further, the thickness of the gradually changing thickness portion 70 is set to be thinner than the thickness of the portion of the second extending portion 62 closer to the fixed plate 16 than the thickness gradually changing portion 70. Thereby, when the buckle body 12 is moved to the side away from the vehicle seat (when the buckle body 12 is moved to one side in the thickness direction of the connecting webbing 18), the boot 20 is gradually changed in thickness. It bends with 70 as a starting point of bending. In the present embodiment, the gradually changing thickness portion 70 is disposed on the buckle body 12 side with respect to the recessed portion 56 formed in the inner wall 50 in a side sectional view of the boot 20. That is, the gradually changing thickness portion 70 and the recessed portion 56 are arranged at different positions in the longitudinal direction of the connecting webbing 18. In the present embodiment, the thickness of the first extending portion 60 is set to the same thickness as the minimum thickness portion in the gradually changing thickness portion 70.

  As shown in FIGS. 4 and 9, the extending portion 48 extends from the end on the fixed plate 16 side of the inner wall 50 of the cylindrical portion 46 toward the fixed plate 16, and the extending portion 48. Is formed in a U-shaped cross section in which the outer wall 52 side of the cylindrical portion 46 is opened as viewed from the fixed plate 16 side. In addition, an engaging protrusion 72 as an engaging portion that protrudes toward the outer wall 52 side of the tubular portion 46 is provided at a boundary portion between the extending portion 48 and the inner wall 50 of the tubular portion 46. That is, the engaging protrusion 72 is provided so as to straddle the boundary between the extending portion 48 and the inner wall 50 of the tubular portion 46. The engagement protrusion 72 is inserted between the connection webbing 18 inserted into the connection webbing insertion hole 42 and the inner edge of the connection webbing insertion hole 42 with a predetermined tightening allowance, whereby the boot 20 Shaking with respect to the fixed plate 16 is suppressed. Further, the extending portion 48 is formed with a clip insertion hole 74 through which the clip 38 is inserted. Then, the clip 38 inserted into the clip insertion hole 74 is locked in the clip locking hole 40 formed in the fixing plate 16, whereby the extended portion 48 of the boot 20 is fixed to the fixing plate 16. The engagement protrusion 72 inserted between the connection webbing 18 and the inner edge of the connection webbing insertion hole 42 is suppressed from being extracted from the connection webbing insertion hole 42.

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

  As shown in FIG. 1, according to the buckle device 10 of the present embodiment, the disc portion 30 of the fixed plate 16 is fixed to the seat cushion frame of the vehicle seat, so that the buckle device 10 is attached to the vehicle seat. Fixed. Then, the tongue through which the webbing is inserted is held by the buckle body 12, so that the webbing is attached to the occupant.

  Here, as shown in FIG. 4, in this embodiment, the connecting webbing 18 is covered with the boot 20, and as shown in FIGS. 10A to 10F, the wire harness 14 is connected to the boot 20. A convex portion 66 that restricts the movement of the webbing 18 in the width direction is provided. Thereby, the movement in the boot 20 of the wire harness 14 can be controlled. Moreover, in the said structure, in order to control the movement in the boot 20 of the wire harness 14, it is not necessary to go through processes, such as winding a tape. That is, according to the buckle device 10 of the present embodiment, the movement of the wire harness 14 connected to the buckle body 12 can be restricted without increasing the number of assembly steps.

  Moreover, in this embodiment, the wire harness 14 can be arrange | positioned at the edge part of the width direction of the connection webbing 18 in the boot 20, and the edge part of the other side, respectively. Thereby, the freedom degree of the wiring in the boot 20 of the wire harness 14 can be improved, aiming at sharing of the boot 20. FIG. In the present embodiment, when the buckle device 10 is fixed to one side in the width direction of the vehicle seat, the wire harness 14 is disposed on one side in the width direction of the connecting webbing 18 in the boot 20, and the buckle device 10 is mounted on the vehicle. When fixing to the other side in the width direction of the seat, the wire harness 14 is arranged on the other side in the width direction of the connecting webbing 18 in the boot 20.

  Further, as shown in FIG. 4, in the present embodiment, when the buckle body 12 is inserted into the cylindrical portion 46 of the boot 20, the buckle body 12 abuts on the end portion 66 </ b> A of the convex portion 66. The amount of insertion of the buckle body 12 into the boot 20 is restricted. That is, the insertion of the buckle body 12 into the boot 20 is completed. By setting it as the said structure, workability | operativity at the time of the assembly of the buckle apparatus 10 can be made favorable.

  In the present embodiment, rattling of the boot 20 with respect to the fixed plate 16 is suppressed by engaging the engaging protrusion 72 provided on the boot 20 with the connecting webbing insertion hole 42 formed in the fixed plate 16. can do. Moreover, in the said structure, in order to suppress the rattling with respect to the fixed plate 16 of the boot 20, it does not need to pass processes, such as winding a tape etc. That is, according to the buckle device 10 of the present embodiment, rattling of the boot 20 with respect to the fixed plate 16 can be suppressed without increasing the number of assembly steps.

  Furthermore, in this embodiment, the engaging protrusion 72 provided on the boot 20 engages with the connection webbing insertion hole 42 through which the connection webbing 18 is inserted. As a result, the configuration of the fixed plate 16 is simpler than when the engaged portions to which only the engagement webbing insertion holes 42 and the engagement protrusions 72 of the boot 20 are engaged are provided on the fixed plate 16 independently. Can be achieved.

  In the present embodiment, the engagement protrusion 72 is provided so as to straddle the boundary between the extension portion 48 and the inner wall 50 of the tubular portion 46. That is, a part of the engaging protrusion 72 is provided in the extending portion 48 that extends to the outside of the tubular portion 46. Thereby, it is possible to improve the releasability of the boot 20 from the mold after the boot 20 is formed by pouring a resin material or a rubber material into the mold.

  Furthermore, in this embodiment, as shown in FIG. 11, when the buckle body 12 is moved to the side away from the vehicle seat, the boot 20 bends with the wall thickness gradually changing portion 70 as a bending start point. 12, when the buckle body 12 is moved to the vehicle seat side, the boot 20 bends with the recessed portion 56 as a bending start point. Here, in the present embodiment, the gradually changing thickness portion 70 and the recessed portion 56 of the boot 20 are arranged at different positions in the longitudinal direction of the connecting webbing 18. That is, the bending start point of the boot 20 when the buckle body 12 is moved to the side away from the vehicle seat and the bending start part of the boot 20 when the buckle body 12 is moved to the vehicle seat side, It does not coincide with the longitudinal direction of the connecting webbing 18. Thereby, it can suppress that durability with respect to the bending of the boot 20 falls.

  Moreover, in this embodiment, the bending start part of the outer wall 52 that is easily visible to the occupant in the tubular part 46 of the boot 20 is the thickness gradually changing part 70, whereby a step part such as a depression is formed in the part. This can be suppressed. Moreover, by setting it as the structure which provided the hollow part 56 in the inner wall 50 which is hard to be visually recognized by the passenger | crew in the boot 20, it can suppress that the said hollow part 56 being visually recognized by a passenger | crew. That is, in this embodiment, it can suppress that the external appearance design of the buckle apparatus 10 falls. Furthermore, by providing the recessed portion 56 at the end of the inner wall 50 on the fixed plate 16 side, it is possible to further suppress the recessed portion 56 from being visually recognized by the occupant. Thereby, it can suppress further that the external appearance design of the buckle apparatus 10 falls.

  In the present embodiment, the example in which the wall thickness gradually changing portion 70 is formed on the outer wall 52 of the boot 20 and the hollow portion 56 is provided on the inner wall 50 has been described, but the present invention is not limited thereto. For example, by providing at least one of a hollow portion, a hole portion, and a thin wall portion in a portion corresponding to the wall thickness gradually changing portion 70 and the hollow portion 56 in the boot 20, the portion can be a bending start portion. .

  Moreover, although this embodiment demonstrated the example which provided a part of engagement protrusion part 72 in the extension part 48 extended to the outer side of the cylindrical part 46, this invention is not limited to this. For example, all of the engaging protrusions 72 can be provided in the extending portion 48 that extends to the outside of the cylindrical portion 46. In addition, an engaging portion that engages with an engaged portion provided on the fixed plate 16 may be provided on the outer peripheral portion of the cylindrical portion 46.

  Further, in the present embodiment, the example in which the engagement protrusion 72 provided on the boot 20 is engaged with the connection webbing insertion hole 42 through which the connection webbing 18 is inserted has been described, but the present invention is not limited to this. . For example, engaged portions that are engaged only by the connecting webbing insertion holes 42 and the engaging protrusions 72 of the boot 20 can be provided on the fixing plate 16 independently.

  Further, in the present embodiment, an example in which the buckle body 12 is configured to come into contact with the end portion 66A of the convex portion 66 when the buckle body 12 is inserted into the tubular portion 46 of the boot 20 has been described. The invention is not limited to this. For example, when the buckle body 12 is inserted into the tubular portion 46 of the boot 20, a contacted portion that does not have a function of restricting the movement of the wire harness 14 is provided in the tubular portion 46. Thus, the amount of insertion of the buckle body 12 into the boot 20 may be regulated. Moreover, it can also be set as the structure which does not provide the part which controls the insertion amount to the boot 20 of the buckle main body 12. FIG.

  Furthermore, although this embodiment demonstrated the example which made it possible to arrange | position the wire harness 14 to the edge part of the width direction of the connection webbing 18 in the boot 20, respectively, and the edge part of the other side, this invention is limited to this. Not. Whether or not the wire harness 14 can be arranged at one end and the other end in the width direction of the connecting webbing 18 in the boot 20 is appropriately set in consideration of the shape of the boot 20 and the like. That's fine.

  Moreover, although this embodiment demonstrated the example which fixed the fixing plate 16 of the buckle apparatus 10 to the seat cushion frame, this embodiment is not limited to this. For example, the fixing plate 16 of the buckle device 10 can be fixed to the vehicle body.

(Second Embodiment)
A buckle device according to a second embodiment of the present invention will be described with reference to FIGS. 13 and 14. In addition, about the member and part which have the same function as the said embodiment, the code | symbol same as the said embodiment is attached | subjected and the description is abbreviate | omitted.

  As shown in FIGS. 13 and 14, the buckle device 80 according to the present embodiment includes a boot 82 of a type in which the wire harness 14 is disposed at the center in the width direction of the connecting webbing 18. There are features.

  Specifically, in the second extending portion 62 (outer wall 52) of the boot 82, recesses as restricting portions that are recessed toward the connecting webbing 18 are formed on both side portions in the width direction (short direction) of the connecting webbing 18. Each portion 84 is formed. The recess 84 is formed in an elongated shape having the longitudinal direction of the connecting webbing 18 as the longitudinal direction. By forming the hollow portion 84 in the second extending portion 62, a wire harness arrangement groove 68 in which the wire harness 14 is arranged is formed in the central portion in the short direction of the second extending portion 62. ing. Then, the wiring tube 26 of the wire harness 14 abuts against the inner surface of the boot 82 in the recessed portion 84, so that the movement of the connection webbing 18 of the wire harness 14 in the width direction is restricted.

  Further, in the present embodiment, the buckle body 12 is inserted into one end portion of the cylindrical portion 46, and the buckle body 12 contacts the end portion on one side in the longitudinal direction of the recessed portion 84, so that the buckle body 12 The amount of insertion into the cylindrical portion 46 is regulated.

  According to the buckle device 80 of the present embodiment described above, the wire harness 14 can be disposed at the center in the width direction of the connecting webbing 18 in the boot 82. Accordingly, the same buckle device 80 can be used when the buckle device 80 is provided on one side of the vehicle seat in the seat width direction and when the buckle device 80 is provided on the other side.

  Although one embodiment of the present invention has been described above, the present invention is not limited to the above, and various modifications other than the above can be implemented without departing from the spirit of the present invention. Of course.

10 Buckle device 12 Buckle body 14 Wire harness 16 Fixing plate (fixing part)
18 Connection webbing (connection member)
20 Boot 66 Convex part (regulation part)
80 Buckle device 82 Boot 84 Indentation part (regulation part)

Claims (4)

A buckle body that holds a tongue through which a webbing to be worn by a passenger is inserted;
A fixing portion fixed to a vehicle seat or a vehicle body;
A wire harness connected to the buckle body;
A connecting member that is formed in a belt shape and connects the buckle body and the fixing portion;
A boot having a restricting portion for restricting movement of the wire harness in the width direction while covering the connecting member in a state where a part of the wire harness is disposed inside;
Buckle device equipped with.   Since the restricting portion is provided at an intermediate portion in the width direction of the connecting member in the boot, the wire harness has an end portion on one side and an end on the other side in the width direction of the connecting member in the boot. The buckle device according to claim 1, wherein the buckle device can be arranged in each of the sections.   Since the restricting portion is provided at both ends of the boot in the width direction of the connecting member, the wire harness can be disposed in the center of the boot in the width direction of the connecting member. The buckle device according to claim 1. The buckle body is inserted into one end of the boot,
The buckle device according to any one of claims 1 to 3, wherein the amount of insertion of the buckle body into the boot is restricted by the buckle body coming into contact with a part of the restriction portion.

Images