JP2011225151A - Seat belt buckle device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a seat belt buckle device capable of restraining a seat belt from being hardly unfastened, even when a seat is moved inside in the vehicle width direction due to lateral side collision or the like of a vehicle.SOLUTION: The seat belt buckle device 30 includes a buckle body part 50, a buckle stay 40 and a rush-in preventing member 60. The buckle body part 50 includes an engagement mechanism part 52 having a release button 55 which enables engagement with the tongue 21 of a seat belt 20 and can release the engagement and a case part 51 which houses an engagement part. The buckle stay 40 is fixed to the buckle body part 50 and is extended downward from the lower end part 57 of the buckle body part 50. The rush-in preventing member 60 is fixed to a part opposite to the lower end part 57 of the case part 51 in the buckle stay 40 and is extended in the vehicle width direction A.

Description

  The present invention relates to a seat belt buckle device used in a vehicle.

  In the front seat of an automobile, a driver seat and a passenger seat are arranged in the vehicle width direction, and a seat belt is provided for each. Seat belt buckle devices for engaging and fixing tongues provided on the webbing of the seat belt are provided in the vicinity of the sides of the driver seat and the passenger seat.

  The seat belt buckle device is fixed to the base of the seat (driver's seat or passenger's seat) and the floor panel and extends substantially in the vertical direction of the vehicle body, and is provided at the tip of the buckle stay so as to be positioned near the seat. A buckle body portion. The buckle body includes an engagement mechanism that engages the tongue of the seat belt, a case that accommodates the engagement mechanism, and a release button that releases the engagement between the engagement mechanism and the tongue. Yes.

  The release button is provided so as to be exposed from the case portion, and an occupant seated on the seat can release the engagement between the tongue of the seat belt and the engagement mechanism portion by operating the release button. It is configured.

  In general automobiles, a console box and a table are provided between the driver seat and the passenger seat, and the seat belt buckle device is provided between the seat (driver seat and passenger seat) and the console box (or table). Is arranged.

  Thus, in a vehicle having a structure such as a console box between the driver's seat and the passenger's seat, for example, an obstacle collides with the side of the automobile, and the seat (driver's seat or When a situation occurs such that the passenger seat) moves inward in the vehicle width direction, the buckle body of the seat belt buckle device is pressed against the seat and moved to collide with the console box (or table) and the seat and console box There is a possibility that a large load acts on the buckle main body part.

  To solve this problem, Patent Document 1 discloses that in a vehicle provided with a table on the side of the seat, the top plate of the table is deformed when a load is applied from the vehicle width direction to absorb the load, and the buckle is Techniques for protection are disclosed.

JP 2001-328477 A

  However, in the case of the configuration in which the table is deformed as in Patent Document 1, it is possible to surely reduce the impact on the buckle, but there is a possibility that the occupant may be injured by contact with the deformed table. There is. In addition, a console box is generally provided between the driver's seat and the passenger seat, but it is difficult to deform the console box and absorb the impact because of its structure and cost. Thought and not realistic.

  Even if the console box is deformed and can absorb the shock, the buckle body (case) is sandwiched between the seat and the console box, or the console box or seat is placed under the buckle body (case). In some cases, the skeleton member enters and gets caught, and the buckle body portion (case portion) is prevented from moving downward.

  When the buckle body is pushed inward in the vehicle width direction due to the movement of the seat due to the collision, the buckle body is pulled downward by the buckle stay (the buckle body side is moved downward). If the buckle body part (case part) is prevented from moving downward due to such pinching or catching, a larger load acts on the buckle body part (case part). In some cases, the case part of the buckle body part may be deformed, or the release button will enter the case part, making it difficult to operate the release button. It can be difficult.

  Particularly, in the case of a seat belt buckle device in which the engagement mechanism portion of the buckle main body portion is fixed to the buckle stay in the case, when the above phenomenon occurs, only the engagement mechanism portion is pulled downward by the buckle stay. It is considered that problems such as the release button getting into the case part and the case part obstructing the movement of the engaging mechanism part are likely to occur, and it is highly likely that the release button is difficult to operate.

  An object of the present invention is to provide a seat belt buckle device that can prevent the seat belt from being easily removed even when the seat is moved inward in the vehicle width direction due to a side collision of the vehicle or the like.

  A seat belt buckle device according to a first aspect of the present invention is a seat belt buckle device arranged between a vehicle seat and a vehicle interior part arranged side by side in the vehicle width direction with respect to the seat. The seat belt buckle device includes a buckle body portion, a buckle stay, and a rush preventing member. The buckle body portion includes an engagement mechanism portion that can engage a tongue of a seat belt, a case portion that accommodates the engagement mechanism portion, and a first end portion on a side where the tongue is inserted, A case portion having a second end portion opposite to the first end portion, and a release provided to be exposed from the case portion and capable of releasing engagement between the tongue and the engagement mechanism portion And an operation unit. The buckle stay extends from the second end portion of the case portion to the vehicle body lower side and is fixed to a vehicle body side fixing portion, and supports the buckle body portion in the vicinity of the seat side portion. The intrusion prevention member is provided adjacent to the second end of the case portion in the buckle stay, and the seat portion moves when the seat moves in the vehicle width direction at the time of a side collision of the vehicle body. The entry of the vehicle interior part below the end of 2 is prevented.

  A seat belt buckle device according to a second aspect of the present invention is the seat belt buckle device according to the first aspect, wherein the rush preventing member is fixed to the buckle stay and extends in the longitudinal direction of the vehicle body. And a pair of arm portions extending in the vehicle width direction from both ends of the base portion in the vehicle longitudinal direction.

  A seat belt buckle device according to a third aspect of the present invention is the seat belt buckle device according to the second aspect, wherein the entry preventing member extends from the base portion so as to overlap the surface of the case portion on the seat side. And a vertical wall portion that supports the case portion.

  The seatbelt buckle device according to a fourth aspect of the present invention is the seatbelt buckle device according to any one of the first to third aspects, wherein the surface on the vehicle interior part side in the rush preventing member is the As it moves away from the buckle body along the buckle stay, it inclines toward the seat.

  The seat belt buckle device according to claim 5 is the seat belt buckle device according to claim 1, wherein the entry preventing member is a peripheral wall portion surrounding a peripheral surface of the case portion on the second end side. Is provided.

  A seat belt buckle device according to a sixth aspect of the present invention is the seat belt buckle device according to any one of the first to fifth aspects, wherein the vehicle interior part is a console box.

  ADVANTAGE OF THE INVENTION According to this invention, it can suppress that it becomes difficult to remove a seatbelt at the time of the side collision of a vehicle.

Schematic which shows the front part of a motor vehicle provided with the seatbelt buckle apparatus which concerns on the 1st Embodiment of this invention. The front view which shows the seatbelt buckle apparatus shown by FIG. The side view which shows the side of the seatbelt buckle apparatus shown by FIG. Schematic which shows the driver's seat at the time of a load being input into the driver's seat side of the front part of the motor vehicle shown in FIG. 1, and its surroundings. The enlarged view which shows the range F5 shown in FIG. The side view which shows the side of the seatbelt buckle apparatus which concerns on the 2nd Embodiment of this invention. The front view which shows the seatbelt buckle apparatus which concerns on the 3rd Embodiment of this invention. The side view which shows the side of the seatbelt buckle apparatus shown by FIG. The front view which shows the seatbelt buckle apparatus which concerns on the 4th Embodiment of this invention. The side view which shows the side of the seatbelt buckle apparatus shown by FIG.

  A seat belt buckle device according to a first embodiment of the present invention will be described with reference to FIGS. 1 to 5, the vehicle width direction of the vehicle body 15 is indicated by arrow A, the vehicle body longitudinal direction is indicated by arrow B, the vehicle body vertical direction is indicated by arrow C, and the seat belt buckle device 30 is indicated by the vertical direction as necessary. Is indicated by an arrow D.

 FIG. 1 is a schematic diagram showing an automobile 10 including a seat belt buckle device 30. FIG. 1 shows a state in which a driver's seat 12 and a passenger seat 13 provided in the front portion 11 of the automobile 10 are viewed from the front of the vehicle body. As shown in FIG. 1, the driver's seat 12 is arranged on the left side in the drawing as an example. The passenger seat 13 is arranged on the right side in the figure. The driver seat 12 and the passenger seat 13 are arranged side by side in the vehicle width direction, and a console box 14 is provided between the driver seat 12 and the passenger seat 13. The console box 14 is arranged in the vehicle width direction on the driver's seat 12 and the passenger seat 13. The console box 14 is an example of a vehicle interior part as referred to in the present invention.

Each of the driver seat 12 and the passenger seat 13 is provided with a seat belt 20 and a seat belt buckle device 30. The driver seat 12 and the passenger seat 13 are examples of seats referred to in the present invention. The seat belt 20 and the seat belt buckle device 30 provided in the driver's seat 12 may be the same as the seat belt 20 and the seat belt buckle device 30 provided in the passenger seat 13. Therefore, the seat belt 20 and the seat belt buckle device 30 provided in the driver's seat 12 will be described as a representative.

The seat belt 20 is provided, for example, in a pillar (not shown) of the vehicle body 15 and can be extended to the outside. The seat belt 20 is provided with, for example, a metal tongue 21 (shown in FIG. 2), and the tongue 21 is inserted into the seat belt buckle device 30 to be engaged and fixed. The seat belt buckle device 30 provided on the passenger seat 13 (with respect to the passenger seat 13) is provided on the inner side in the vehicle width direction with respect to the seat 12 and is disposed between the driver seat 12 and the console box 14. FIG. 2 is a front view showing the seat belt buckle device 30, and FIG. 3 is a side view showing the side of the seat belt buckle device 30. As shown in FIGS. 2 and 3, the seat belt buckle device 30 includes a buckle body 50 that engages and holds the tongue 21 of the seat belt, and a buckle stay that extends from the buckle body 50 and supports the buckle body 50. 40 and a rush preventing member 60 fixed to the buckle stay 40 below the buckle main body 50.

  The buckle body 50 includes an engagement mechanism 52 (shown by a dotted line in the figure) to which the tongue 21 of the seat belt 20 is engaged, and a case 51 that accommodates the engagement mechanism 52. . The case part 51 is fixed to the buckle stay 40. An insertion port 54 into which the tongue 21 of the seat belt 20 can be inserted is formed in the upper end portion 53 of the case portion 51. The tongue 21 is engaged with the engagement mechanism portion 52 through the insertion port 54.

 Here, the vertical direction (arrow D in the drawing) of the seat belt buckle device 30 will be described. In a state where the seat belt buckle device 30 is attached to the vehicle body 15, the end portion of the case portion 51 where the insertion port 54 is formed and positioned on the upper side of the vehicle body is defined as the upper end portion 53. An end located on the lower side is a lower end 57. That is, the vertical direction indicated by the arrow D in the figure indicates the direction along the upper and lower end portions of the case portion 51. The buckle stay 40 extends in the same direction as the arrow D. The upper end portion 53 is an example of a first end portion referred to in the present invention, and the lower end portion 57 is an example of a second end portion referred to in the present invention.

  The buckle stay 40 has sufficient rigidity to support the buckle body 50 on the vehicle body side, and is formed of a wide plate member made of metal such as iron.

  As shown in FIGS. 2 and 3, a part of the buckle stay 40 is inserted into the case part 51, and a lower end part that is an end part opposite to the insertion port 54 in the buckle main body part 50 (case part 51). It extends from 57 to the outside. An engagement mechanism portion 52 is fixed to a portion (end portion on the opposite side of the lower end portion 42) inserted into the case portion 51 of the buckle stay 40.

  The seat belt buckle device 30 shown in FIG. 2 shows a state viewed from the console box 14 side along the vehicle width direction when the seat belt buckle device 30 is attached to the vehicle body 15.

  The seat belt buckle device 30 shown in FIG. 3 shows a state in which the seat belt buckle device 30 is viewed from the front side to the rear side along the vehicle body longitudinal direction in a state where the seat belt buckle device 30 is attached to the vehicle body 15.

  As shown in FIG. 1, the lower end portion 42 of the buckle stay 40 is connected and fixed to the fixing portion 16 provided on the base portion 12a of the driver's seat 12 so as to be rotatable along the longitudinal direction of the vehicle body. That is, when the buckle stay 40 is attached to the vehicle body 15, the buckle stay 40 extends from the fixed portion 16 to the vehicle body upper side, and supports the buckle body portion 50 so as to be positioned in the vicinity of the side portion of the seat 18 of the driver's seat 12. To do. The fixing portion 16 is an example of a vehicle-side fixing portion referred to in the present invention. The fixing part on the vehicle body side is not limited to being provided on the seat such as the base 12a. For example, the fixing portion may be provided on the vehicle body 15 such as the floor panel 5. Thus, the vehicle body side on which the fixing portion referred to in the present invention is provided includes the vehicle body 15 and a portion fixed to the vehicle body 15 (the seat, in this embodiment, the base 12a and 13a of the driver seat 12 and the passenger seat 13). It is a concept that includes.

  The buckle stay 40 is attached so that the vertical direction (arrow D) of the seat belt buckle device 30 is substantially in the vertical direction (arrow C) of the vehicle body.

  The seat belt buckle device 30 is attached such that the wide surface is substantially in the vehicle body front-rear direction B. The seat belt buckle device 30 is mounted so that its vertical direction (arrow D) is substantially in the vertical direction of the vehicle body. However, since the lower end portion 42 of the buckle stay 40 is rotatably connected as described above, The vertical direction (arrow D) of the belt buckle device 30 may not be parallel to the vertical direction of the vehicle body. The buckle stay 40 has such a length that the buckle body 50 is supported on the side of the driver's seat 12, more specifically, near the side of the seat 18.

  The engagement mechanism portion 52 includes a release button 55. The release button 55 is operated when the engagement between the tongue 21 of the seat belt 20 and the engagement mechanism portion 52 is released. The release button 55 is an example of a release operation unit referred to in the present invention. As shown in FIG. 3, an opening 56 for exposing the release button 55 to the outside is formed in the upper end portion 53 of the case portion 51. A part of the release button 55 is exposed to the outside through the opening 56.

  In the state where the tongue 21 of the seat belt 20 is engaged with the engagement mechanism portion 52, the occupant engages the tongue 21 and the engagement mechanism portion 52 by pushing the release button 55 into the case portion 51. It can be canceled. When the engagement between the tongue 21 and the engagement mechanism 52 is released, the occupant can remove the seat belt 20.

  As shown in FIGS. 2 and 3, the intrusion prevention member 60 is fixed to a portion of the buckle stay 40 in the vicinity of the lower end portion 57 of the case portion 51 (buckle main body portion 50). That is, the rush preventing member 60 is provided at a position adjacent to the lower end portion 57 of the case portion 51 in the buckle stay 40. The intrusion preventing member 60 is provided with a base portion 61 fixed to the buckle stay 40, a pair of arm portions 62 extending from the base portion 61 along the vehicle width direction, and extending upward (from the case portion 51 side) from the base portion 61. The vertical wall portion 63 is provided. The base portion 61 is formed in a plate shape extending in the longitudinal direction of the vehicle body (in the wide direction of the case portion 51), and is overlapped from the driver seat 12 side on the buckle stay 40 in the vicinity of the lower end portion 57 of the case portion 51. Is attached. The base portion 61 is fixed to the buckle stay 40 by, for example, rivets 70.

  One arm portion 62 is provided on each side of the base portion 61 across the buckle stay 40. That is, the arm part 62 extends along the vehicle width direction (a direction substantially orthogonal to the surface of the base part 61) from both ends of the base part 61 in the longitudinal direction of the vehicle body (the width direction of the case part 51). More specifically, the arm portion 62 extends from the base portion 61 toward the vehicle width direction inner side (console box 14 side) to a position substantially the same as the surface of the case portion 51 in the vehicle width direction inner side (console box 14 side). It is extended.

  The shape of the arm part 62 will be specifically described. FIG. 4 is a schematic view showing the driver's seat 12 and its surrounding state when a load is input from the side to the driver's seat 12 side of the front portion 11 of the automobile 10. A state sandwiched between the console box 14 is shown. FIG. 4 is seen from the front side of the vehicle body toward the rear side. FIG. 5 shows the range F5 shown in FIG. 4 in an enlarged manner.

  As shown in FIG. 5, the arm portion 62 extends toward the console box 14 along the vehicle width direction from a portion estimated to hit the console box 14 in the buckle body portion 50.

  An example of a method for estimating the portion of the buckle body 50 that is estimated to hit the console box 14 as described above is the height of the buckle body 50 along the vehicle body vertical direction (height from the floor panel 5) and the console box. Based on the height of 14 (height from the floor panel 5), there is a method of estimating a rough portion that is likely to first contact the console box 14 in the buckle main body 50.

  In the present embodiment, as an example, a portion estimated to hit the console box 14 is set as the lower end portion 57 of the case portion 51 of the buckle body portion 50 based on the above method. The lengths of both arm portions 62 are set so as to protrude toward the console box 14 along the vehicle width direction from the lower end portion 57 of the case portion 51. Thus, even when the buckle body 50 is pressed by the driver's seat 12 and moved to a position where it comes into contact with the console box 14, the intrusion prevention member 60 comes before the buckle body 50 (case 51). The arm portion 62 comes into contact with the console box 14.

  In addition, as a method for estimating a part that is estimated to be first hitting the console box 14 in the buckle main body 50, it can be obtained by an experiment or the like. Specifically, a load is input from the side to the front portion 11 of the vehicle body 15 of the automobile 10, and a portion of the buckle body portion 50 that first hits the console box 14 is obtained.

  The surface 64 facing the console box 14 side of the arm portion 62 is directed downward along the vertical direction of the seat belt buckle device 30 (longitudinal direction of the buckle stay 40) (as the distance from the buckle body portion 50), the driver's seat. It inclines toward 12 side. In other words, the intrusion prevention member 60 is inclined toward the base portion 61 side. The surface 64 is an example of the surface on the vehicle interior part side referred to in the present invention.

  As shown in FIG. 3, the vertical wall portion 63 extends vertically along the surface 58 in a state where the vertical wall portion 63 is overlapped with the surface 58 on the driver's seat 12 side in the case portion 51 of the buckle main body portion 50 from the upper end portion of the base portion 61. It extends. As described above, the vertical wall portion 63 is in contact with the entire surface 58 of the case portion 51 on the driver seat 12 side, and supports the case portion 51 so as not to be displaced toward the driver seat 12 with respect to the buckle stay 40. .

  As shown in FIG. 3, a portion of the vertical wall portion 63 below the buckle body portion 50 is an inclined portion 67 that is inclined toward the opposite side of the vertical wall portion 63, that is, toward the console box 14 side. The outer surface of the inclined portion 67, that is, the surface 67a on the driver's seat 12 side is inclined toward the opposite side, that is, the surface 64 side as it goes downward along the longitudinal direction of the buckle stay 40.

  The structure of the seat belt buckle device 30 provided in the passenger seat 13 is the same structure as the seat belt buckle device 30 provided in the driver seat 12 described above. Specifically, in the above description, the structure based on the driver's seat 12 is replaced with a structure based on the passenger seat.

  Next, the operation of the seat belt buckle device 30 according to the present invention at the time of a vehicle side collision will be described by taking the seat belt buckle device 30 provided in the driver's seat 12 as an example.

 For example, when an obstacle collides with the front portion 11 of the automobile 10 from the driver's seat 12 side, a load inward along the vehicle width direction is input from the outside to the vicinity of the driver's seat 12 of the vehicle body 15. This load acts on the driver's seat 12, and the driver's seat 12 is moved to the inner side in the vehicle width direction, that is, the console box 14 side. As the driver's seat 12 moves, the buckle body 50 of the seat belt buckle device 30 is pressed by the driver's seat 12, and the buckle stay 40 is deformed while the buckle body 50 is moved to the console box 14 side. At this time, as shown in FIGS. 4 and 5, the seat belt buckle device 30 (the buckle main body 50) may be sandwiched between the driver's seat 12 and the console box 14.

  FIG. 4 shows a state where the load acts on the driver's seat 12 and the buckle body 50 is moved to the console box 14 side.

 FIG. 5 is an enlarged view of the range F5 in FIG. 4 and shows the state around the buckle body 50 in detail.

 As shown in FIGS. 4 and 5, when a load is applied due to the collision of the vehicle body side portion, the buckle body portion 50 collides with the console box 14 due to the movement of the driver's seat 12 in the vehicle width direction. Since the arm portion 62 of the intrusion prevention member 60 provided below the main body portion 50 comes into contact with the console box 14, the impact on the case portion 51 of the buckle main body portion 50 is reduced. On the other hand, on the driver seat 12 side of the buckle main body 50, a relatively hard portion such as a skeleton 19 (shown by a dotted line in FIG. 5) and a hinge of the driver seat 12 directly hits the buckle main body 50 (case 51). This is prevented by the vertical wall portion 63 of the rush preventing member 60. In other words, the rush preventing member 60 prevents the driver seat 12 and the console box 14 from entering the buckle main body 50 and protects the buckle main body 50 (cover 51) from being subjected to a large impact.

In the present embodiment, when the driver's seat 12 further moves toward the buckle body 50 than shown in FIG. 5, the shape (length, size) of the vertical wall 63 so that the skeleton 19 contacts the vertical wall 63. ) Is set. The vertical wall portion 63 is formed in consideration of the structure of the seat (the driver's seat 12 and the passenger seat 113) of the automobile 10 to which the seat belt buckle device 30 is attached. As shown in FIG. 5, when the buckle main body 50 is sandwiched between the console box 14 and the driver's seat 12, the arm portion 62 of the entry preventing member 60 contacts the console box 14 and the vertical wall portion 63. Is in contact with the driver's seat 12, and a space is secured between the driver's seat 12 and the console box 14 by the width of the inrush prevention member 60. As a result, the buckle body 50 (case 51) is directly sandwiched between the driver's seat 12 and the console box 14, or the skeleton 19 and the console box 14 of the driver's seat 12 are placed below the buckle body 50 (case 51). Is prevented from entering and getting caught.

  As shown in FIG. 4, when the buckle body 50 moves inward in the vehicle width direction (console box 14 side), the buckle stay 40 is tilted obliquely toward the console box 14 with respect to the state before the movement (shown in FIG. 1). It is deformed to tilt. This is because the position of the fixing portion 16 to which the lower end portion 42 of the buckle stay 40 is fixed hardly moves as compared with the movement amount of the buckle main body portion 50. For this reason, as the buckle main body 50 is moved inward in the vehicle width direction by the buckle stay 40, a phenomenon occurs that the buckle stay 40 is pulled to the vehicle body lower side. Under such circumstances, the buckle body 50 (cover 51) is sandwiched between the driver's seat 12 and the console box 14, or the driver's seat 12 and console box 14 enter under the buckle body 50 (cover 51). In the state where the downward movement of the vehicle body is prevented, the downward pulling load concentrates on the buckle body 50 (cover 51), the cover 51 is deformed, or the cover 51 is engaged with the engagement mechanism. The relative position between the release button 55 and the opening 56 formed in the case portion 51 is also shifted, for example, the position of the release button 55 provided in the engagement mechanism portion 52 is shifted into the inside of the cover portion 51. The release button 55 may be difficult to operate. For this reason, there exists a possibility that the malfunction of becoming difficult to cancel | release the engagement of the tongue 21 of the seatbelt 20 and the engagement mechanism part 52 may arise.

  On the other hand, in this embodiment, by providing the intrusion prevention member 60 as described above, the buckle body 50 (cover 51) is sandwiched between the driver's seat 12 and the console box 14, or the buckle body 50 (cover) is provided. Part 51) Since the entry of the driver's seat 12 and the console box 14 downward is prevented, there is no problem that the seat belt is difficult to remove as described above.

  Further, since the vertical wall portion 63 of the rush preventing member 60 is provided on the driver seat 12 side of the seat belt buckle device 30, the swinging movement of the cover portion 51 can be restricted. As a result, it is possible to more reliably prevent hard parts such as the skeleton 19 and hinges (not shown) of the driver's seat 12 from entering the lower part of the buckle body 50 (cover 51). This point will be specifically described. When the buckle body 50 is sandwiched between the driver's seat 12 and the console box 14 by the seat belt buckle device 30 being pressed by the driver's seat 12 and moving inward in the vehicle width direction, the buckle body 50 is An impact is input by colliding with the console box 14. In the figure, an impact input from the console box 14 is indicated by an arrow E.

  When the impact E is input from the console box 14 side, the cover portion 51 has an action of rotating the upper end portion 53 of the cover portion 51 to the console box 14 side as shown by a two-dot chain line in the figure.

  When there is no vertical wall part 63, the buckle main-body part 50 inclines diagonally by the said rotation effect | action. The hypothesized inclined cover portion 51 is indicated by a two-dot chain line. By inclining, it is conceivable that a gap is formed below the lower end portion 57 of the cover portion 51, and a hard portion such as the skeleton portion 19 of the driver's seat 12 enters the gap. However, since the vertical wall portion 63 supports the cover portion 51 on the vertical wall portion 61, the cover portion 51 is prevented from being inclined, and thus the above-described problem does not occur.

  Further, when the arm 64 is further pressed toward the console box 14 by tilting the surface 64 facing the console box 14 in the arm 62, the console box 14 moves along the tilt of the surface 64. Try to get down. The console box 14 that has entered the lower portion of the arm 62 along the surface 64 is indicated by a two-dot chain line in the figure.

  The buckle stay 40 is subjected to a load that is to be pulled downward as described above. However, since the console box 14 is caught by the arm portion 62 by the console box 14 entering the lower portion of the arm portion 62, the buckle stay 40 is suppressed from being pulled downward of the vehicle body.

  Further, the surface 67a of the inclined portion 67 has the same function as the surface 64, and guides the driver's seat 12 to the lower side of the vehicle body.

  Next, a seat belt buckle device according to a second embodiment of the present invention will be described with reference to FIG. In this embodiment, configurations having the same functions as those of the first embodiment are denoted by the same reference numerals as those of the first embodiment, and description thereof is omitted. The present embodiment is different from the first embodiment in the rush preventing member 60. Other structures may be the same as those in the first embodiment. The different structure will be described.

  FIG. 6 is a side view showing the seat belt buckle device 30 provided in the driver's seat 12 of the present embodiment. Note that arrows A and D in FIG. 6 indicate the same directions as in the first embodiment. FIG. 6 shows a state where the seat belt buckle device 30 is viewed from the front side toward the rear side along the longitudinal direction of the vehicle body. The seat belt buckle device 30 provided in the driver's seat 12 will be described as a representative.

  As shown in FIG. 6, in this embodiment, the intrusion prevention member 60 protrudes outward along the vehicle width direction A from both ends P1, P2 protruding outward along the vehicle width direction A in the buckle body 50. Yes. Specifically, the tips of both arms 62 protrude outward (in the console box 14) along the vehicle width direction from the tip P1 that protrudes most toward the console box 14 in the buckle body 50. Further, the vertical wall portion 63 protrudes to the outer side (driver seat 12 side) along the vehicle width direction from the tip P2 that protrudes most toward the driver seat 12 side in the buckle main body portion 50.

  In the present embodiment, when the buckle body 50 is sandwiched between the driver's seat 12 and the console box 14, the rush preventing member 60 is more likely to hit the driver's seat 12 and the console box 14.

  For this reason, in this embodiment, in addition to the effect of 1st Embodiment, it can suppress further that the buckle main-body part 50 is pinched | interposed between the driver's seat 12 and the console box 14. FIG.

  The seat belt buckle device 30 provided in the passenger seat 13 has the same structure. Specifically, in the above description, the structure based on the driver's seat 12 is replaced with a structure based on the passenger seat.

  Next, a seat belt buckle device according to a third embodiment of the present invention will be described with reference to FIGS. In addition, the structure which has the same function as 1st Embodiment attaches | subjects the code | symbol same as 1st Embodiment, and abbreviate | omits description. In this embodiment, the rush preventing member 60 is different from that of the first embodiment. Other structures may be the same as those in the first embodiment. The different structure will be described.

  FIG. 7 is a front view showing the seat belt buckle device 30 of the present embodiment. FIG. 8 is a side view showing a side surface of the seat belt buckle device 30. 7 and 8 show a seat belt buckle device 30 provided in the driver's seat 12 as an example.

  Arrows A, B, and D in FIGS. 7 and 8 indicate directions similar to those in the first embodiment. FIG. 7 shows a state in which the seat belt buckle device 30 attached to the vehicle body is viewed from the console box 14 side along the vehicle width direction.

  FIG. 8 shows a state in which the seat belt buckle device 30 attached to the vehicle body 15 is viewed from the front side of the vehicle body to the rear side along the longitudinal direction of the vehicle body. The seat belt buckle device 30 provided in the driver's seat 12 will be described as a representative.

  As shown in FIGS. 7 and 8, both arm portions 62 are in contact with the surface 59 on the console box 14 side of the buckle main body portion 50 (case portion 51) and extend in the vertical direction along the surface 59. The arm portion 62 is provided with an extending portion 65 extending along the surface 59 and functions to sandwich the case portion 51 so as to face the vertical wall portion 63.

  In the present embodiment, in addition to the effects of the first embodiment, it is possible to more reliably prevent the buckle body portion 50 (cover portion 51) from being caught. In addition, the cover 51 is prevented from being inclined toward the driver's seat 12 as indicated by a two-dot chain line arrow in FIG. By preventing the occurrence of the inclination indicated by the two-dot chain line, the console box 14 is suppressed from entering below the buckle body 50.

  In addition, you may extend in the up-down direction so that the arm part 62 of the intrusion prevention member 60 demonstrated in 2nd Embodiment may have a function as a vertical wall part similarly to this embodiment.

  The seat belt buckle device 30 provided in the passenger seat 13 has a similar structure. Specifically, in the above description, the structure based on the driver's seat 12 is replaced with a structure based on the passenger seat.

  Next, a seat belt buckle device according to a fourth embodiment of the present invention will be described with reference to FIGS. In this embodiment, configurations having the same functions as those of the third embodiment are denoted by the same reference numerals as those of the third embodiment, and description thereof is omitted. In this embodiment, the rush preventing member 60 is different from that of the third embodiment. Other structures may be the same as those in the first embodiment. The different structure will be described.

  FIG. 9 is a front view showing the seat belt buckle device 30 provided in the driver's seat 12 of the present embodiment. FIG. 10 is a side view showing a side surface of the seat belt buckle device 30 provided in the driver's seat 12.

  The arrows A, B, and D in FIGS. 9 and 10 indicate the same directions as in the first embodiment. FIG. 9 shows a state where the seat belt buckle device 30 attached to the vehicle body 15 is viewed from the console box 14 side along the vehicle width direction.

  FIG. 10 shows a state in which the seat belt buckle device 30 attached to the vehicle body 15 is viewed from the front side to the rear side along the vehicle body longitudinal direction. The seat belt buckle device 30 provided in the driver's seat 12 will be described as a representative.

  As shown in FIGS. 9 and 10, the portions on the console box 14 side between the both arm portions 62 of the rush preventing member 60 are integrally connected to each other by a wall portion 66. A surface 66a of the wall portion 66 on the console box 14 side is inclined in accordance with the inclination of the surface 64 of the arm portion 62, and has a function of guiding the console box 14 downward. The surface 66 a has the same function as the surface 64. Between both the arm parts 62 and the vertical wall part 63, it forms so that it may continue integrally by the wall part which is not shown in figure, and is mutually connected integrally.

  The intrusion prevention member 60 has a shape that continuously surrounds the circumferential surface of the lower end portion 57 of the buckle body portion 50 in the circumferential direction by the above structure. The wall portion 66, both arm portions 62, the vertical wall portion 63, and a wall portion (not shown) that fills the space between the both arm portions 62 and the vertical wall portion 63 constitute the peripheral wall portion 100 referred to in the present invention.

  In the present embodiment, in addition to the effects of the third embodiment, the rigidity of the rush preventing member 60 can be increased.

  The structure of the seat belt buckle device 30 provided in the passenger seat 13 is the same. Specifically, in the above description, the structure based on the driver's seat 12 is replaced with a structure based on the passenger seat.

  In the first to fourth embodiments, a console box is used as an example of a vehicle interior part referred to in the present invention. However, it is not limited to this. A table may be used as a vehicle interior part.

  The present invention is not limited to the above-described embodiments as they are, and can be embodied by modifying the constituent elements without departing from the scope of the invention in the implementation stage. Various inventions can be formed by appropriately combining a plurality of constituent elements disclosed in the above-described embodiments. For example, you may delete some components from all the components shown by embodiment mentioned above. Furthermore, you may combine the component covering different embodiment suitably.

  The present invention is applicable to a seat belt buckle device used in, for example, a vehicle.

  DESCRIPTION OF SYMBOLS 12 ... Driver's seat (seat), 13 ... Passenger seat (seat), 14 ... Console box (vehicle interior part), 16 ... Fixed part, 20 ... Seat belt, 21 ... Tongue, 30 ... Seat belt buckle device, 40 ... Buckle Stay, 50 ... buckle body, 51 ... case, 52 ... engagement mechanism, 53 ... upper end (first end), 55 ... release button (release operation part), 57 ... lower end (second End part), 60 ... Intrusion prevention member, 61 ... Base part, 62 ... Arm part, 63 ... Vertical wall part, 100 ... Peripheral wall part, A ... Vehicle width direction, B ... Car body longitudinal direction.

Claims (6)

A seat belt buckle device arranged between a vehicle seat and a vehicle interior part arranged side by side in the vehicle width direction with respect to the seat,
An engagement mechanism portion that can engage a tongue of a seat belt, and a case portion that accommodates the engagement mechanism portion, the first end portion on the side where the tongue is inserted and the first end portion A case portion having a second end portion on the opposite side; and a release operation portion that is exposed from the case portion and is capable of releasing engagement between the tongue and the engagement mechanism portion. A buckle body,
A buckle stay that extends from the second end portion of the case portion to the vehicle body lower side and is fixed to a vehicle body side fixing portion, and supports the buckle body portion in the vicinity of a seat side portion;
The buckle stay is provided adjacent to the second end portion of the case portion, and when the seat moves in the vehicle width direction at the time of a side collision of the vehicle body, the second end portion of the case portion is below the second end portion. A seat belt buckle device comprising: an entry preventing member that prevents entry of the vehicle interior part. The inrush prevention member is
A base portion fixed to the buckle stay and extending in the longitudinal direction of the vehicle body;
The seat belt buckle device according to claim 1, further comprising: a pair of arm portions extending in a vehicle width direction from both ends of the base portion in the vehicle longitudinal direction. The seat according to claim 2, wherein the rush preventing member includes a vertical wall portion that extends from the base portion so as to overlap a surface of the case portion on the seat side and supports the case portion. Belt buckle device. The surface of the vehicle interior part side in the rush preventing member is inclined toward the seat side as it is separated from the buckle main body along the buckle stay. The seat belt buckle device according to claim 1. The seat belt buckle device according to claim 1, wherein the rush preventing member includes a peripheral wall portion surrounding a peripheral surface of the case portion on the second end side. The seat belt buckle device according to any one of claims 1 to 5, wherein the vehicle interior part is a console box.

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