Seatbelt retractor attachment structure and manufacturing method of retractor bracket

1 . A seatbelt retractor attachment structure for fixing a seatbelt retractor to a vehicle body via a retractor bracket, the seat belt retractor attachment structure comprising:

the retractor bracket,

wherein the retractor bracket includes:

a fixing portion to be fixed to a retractor frame of the seatbelt retractor;

a fastening portion to be fastened and fixed to the vehicle body; and

a curved portion connecting the fixing portion and the fastening portion,

wherein the curved portion includes a part bent from the fixing portion in a direction surrounding the seatbelt retractor and extending to a top part of the curved portion and a part folded back from the top part and extending toward the fastening portion, and the curved portion has a U shape, and

wherein the fastening portion includes at least one of a pair of bent flange portions on both sides in a width direction of the fastening portion and a bead portion protruding along a longitudinal direction of the fastening portion.

2 . The seatbelt retractor attachment structure according to claim 1 , wherein the fixing portion of the retractor bracket is fixed to a back plate portion of the retractor frame by a crimping pin.

3 . The seatbelt retractor attachment structure according to claim 1 , wherein the flange portions are both bent in a direction opposite to a bending direction of the curved portion.

4 . The seatbelt retractor attachment structure according to claim 1 , wherein a belt insertion hole is formed in the curved portion, and wherein the seatbelt is to be inserted through the belt insertion hole.

5 . The seatbelt retractor attachment structure according to claim 1 , wherein the seatbelt retractor and the curved portion of the retractor bracket are disposed in a recess formed in a center pillar of the vehicle body.

6 . The seatbelt retractor attachment structure according to claim 1 , wherein the fastening portion includes a fastening plate portion extending obliquely with respect to an extending direction of the curved portion from a boundary portion with the curved portion.

7 . The seatbelt retractor attachment structure according to claim 1 , wherein a damping member capable of absorbing a vibration of the seatbelt retractor is disposed between the retractor frame and the vehicle body.

8 . The seatbelt retractor attachment structure according to claim 1 , wherein a sound absorbing member is disposed on a side cover of the seatbelt retractor.

9 . The vehicle comprising the seatbelt retractor attachment structure according to claim 1 , further comprising the vehicle body and the seatbelt retractor.

10 . Seatbelt retractor attachment structure comprising:

a retractor bracket,

wherein the retractor bracket includes:

a fixing portion configured to be fixed to a retractor frame of a seatbelt retractor;

a fastening portion configured to be fastened and fixed to a vehicle body; and

a curved portion connecting the fixing portion and the fastening portion,

wherein the curved portion includes a part bent from the fixing portion in a direction surrounding the seatbelt retractor and extending to a top part of the curved portion and a part folded back from the top part and extending toward the fastening portion, and the curved portion has a U shape, and

wherein the fastening portion includes at least one of a pair of bent flange portions on both sides in a width direction of the fastening portion and a bead portion protruding along a longitudinal direction of the fastening portion.

11 . The seatbelt retractor attachment structure according to claim 10 , wherein the fixing portion of the retractor bracket is fixed to a back plate portion of the retractor frame by a crimping pin.

12 . The seatbelt retractor attachment structure according to claim 10 , wherein the flange portions are both bent in a direction opposite to a bending direction of the curved portion.

13 . The seatbelt retractor attachment structure according to claim 10 , wherein a belt insertion hole is formed in the curved portion, and wherein the seatbelt is to be inserted through the belt insertion hole.

14 . The seatbelt retractor attachment structure according to claim 10 , wherein the seatbelt retractor and the curved portion of the retractor bracket are disposed in a recess formed in a center pillar of the vehicle body.

15 . The seatbelt retractor attachment structure according to claim 10 , wherein the fastening portion includes a fastening plate portion extending obliquely with respect to an extending direction of the curved portion from a boundary portion with the curved portion.

16 . The seatbelt retractor attachment structure according to claim 10 , wherein a damping member capable of absorbing a vibration of the seatbelt retractor is disposed between the retractor frame and the vehicle body.

17 . The seatbelt retractor attachment structure according to claim 10 , wherein a sound absorbing member is disposed on a side cover of the seatbelt retractor.

18 . A vehicle comprising the retractor attachment structure according to claim 10 , further comprising the vehicle body, and the seatbelt retractor,

wherein the seatbelt retractor attachment structure is configured to fix a seatbelt retractor to the vehicle body via a retractor bracket.