JP4887772B2 - Car side structure - Google Patents

Description

  The present invention relates to a side part structure of an automobile having a sliding door that slides back and forth from a closed position of a side opening formed in a side part of a vehicle body and displaces to an open position.

Conventionally, as shown in Patent Document 1 below, an opening for a front seat occupant provided in an installation part of a front door and an opening for a rear seat occupant provided in an installation part of a rear door are When the front door and the rear door of the vehicle are opened, the vehicle door structure is configured to form one side opening without a partition (center pillar), the rear end of the front door or the front end of the rear door By providing an impact bar member extending in the vertical direction on one or both of these, it is possible to sufficiently secure the strength of the side surface of the vehicle body without providing a center pillar.
JP 2003-252057 A

  As disclosed in Patent Document 1, in a vehicle body side structure including a front door that covers an opening for a front seat occupant and a rear door that covers an opening for a rear seat occupant, When an impact bar extending in the vertical direction is installed on one or both of the rear side and the front side of the rear door, the strength of the side surface of the vehicle body when the both doors are closed is sufficiently secured. However, by opening each of these doors, a wide side opening without a partition can be formed on the side of the vehicle body.

  However, in the side structure of an automobile having a single sliding door that slides back and forth from the closed position of the side opening formed on the side surface of the vehicle body to the open position, the front side of the sliding door or Even if the impact bar is provided on the rear side, it is difficult to sufficiently secure the strength of the side surface of the vehicle body. That is, a large side opening is formed in the side of the vehicle body for a passenger seated in the front seat and the rear seat installed in the passenger compartment to move up and down, and the side opening is closed by a single sliding door. When configured to do so, the area of this sliding door increases and the side window glass is installed above the door body, so the impact at the time of a side collision of an automobile etc. is sufficient to support it There were problems such as being difficult to do.

  The present invention has been made in view of the above-described problems, and an object of the present invention is to provide a side part structure of an automobile that can sufficiently ensure the strength of a side surface of a vehicle body with a simple configuration.

The invention according to claim 1 includes a side opening formed in the side surface of the vehicle body, a single sliding door that slides back and forth from the closed position of the side opening to the open position, Side window glass installed above the door body, a pair of left and right roof side rails extending in the front-rear direction of the vehicle body along the upper side of the side opening, and a vehicle body along the lower side of the side opening. A side part structure of an automobile provided with a pair of left and right side sills extending in the front-rear direction, wherein the side sills pass from the installation side of the roof side rail through the inner side of the side window glass to the middle part of the slide door disposed pillar member extending vertically to the installation section, with the upper end of the pillar member opposed to the installation portion of the roof side rail, a lower end portion of the pillar member support It is disposed so as to face the installation portion of Doshiru, but configured to move the pillar member during opening of the sliding door to the vehicle body rear side.

  According to a second aspect of the present invention, in the side part structure of the automobile according to the first aspect, the outer side surface of the pillar member and the inner side surface of the side window glass are separated from each other, thereby forming a line-of-sight space therebetween. It is a thing.

  The invention according to claim 3 is the side part structure of the automobile according to claim 1 or 2, wherein a shoulder anchor of a seat belt device is installed on the pillar member.

  According to a fourth aspect of the present invention, in the side part structure of an automobile according to any one of the first to third aspects, the roof cross member extending in the vehicle width direction between the left and right roof side rails is closed to the slide door. Sometimes, the pillar member is installed at a position where the upper ends of the pillar members face each other.

  According to a fifth aspect of the present invention, in the side part structure of the automobile according to any one of the first to fourth aspects, the floor cross member extending in the vehicle width direction between the left and right side sills is provided when the slide door is closed. The pillar member is installed at a position where the lower ends of the pillar members face each other.

  In the invention which concerns on Claim 1, while providing a pillar member in the front-back direction intermediate part of a slide door, this pillar member is passed to the installation part of a side sill from the installation part of a roof side rail to the installation part of a side sill. Therefore, even when a large side opening is formed on the side surface of the vehicle body so that an occupant seated in the front seat and the rear seat can move up and down, the side of the vehicle The impact load input to the side surface portion can be effectively supported by the pillar member, and the impact load can be transmitted from the pillar member to the roof side rail and the side sill and effectively absorbed. Moreover, when the sliding door is opened, the pillar member moves to the rear side of the vehicle body together with the sliding door, so that a large opening without a center pillar can be formed on the side surface of the vehicle body, There are advantages that it is possible to easily take in and out the luggage with respect to the passenger compartment and to install the side window glass continuously over the entire sliding door.

  In the invention according to claim 2, since the space for sight is formed between the outer surface of the pillar member and the inner surface of the side window glass, the passenger seated in the front seat or the rear seat is There is an advantage that it is possible to effectively secure a field of view when visually recognizing the outside of the vehicle through the window glass, and to effectively prevent the appearance of the vehicle body from being deteriorated by suppressing the pillar member from being visually recognized from outside the vehicle. is there.

  According to the invention of claim 3, even when the side opening is extended to the rear side of the front seat so that the passenger can easily get on and off the rear seat, the shoulder anchor is properly By disposing in the position, there is an advantage that a passenger seated on the front seat through the seat belt device can be properly protected.

  In the invention according to claim 4, since the roof cross member extending in the vehicle width direction between the left and right roof side rails is installed at a position where the upper end portion of the pillar member is opposed when the slide door is closed, it is possible at the time of a side collision of the automobile. Since the impact load input to the installation portion of the roof side rail via the pillar member can be supported by the roof cross member, there is an advantage that the strength of the side surface of the vehicle body can be improved more effectively.

  In the invention according to claim 5, since the floor cross member extending in the vehicle width direction between the left and right side sills is installed at a position where the lower end portion of the pillar member faces when the slide door is closed, at the time of a side collision of the automobile, etc. Since the impact load input to the side sill installation portion via the pillar member can be supported by the floor cross member, there is an advantage that the strength of the side surface portion of the vehicle body can be more effectively improved.

  1 to 4 show an embodiment of a side part structure of an automobile according to the present invention. This automobile is a coupe type vehicle in which a front seat 1 including a driver seat and a passenger seat is disposed in a passenger compartment, and a rear seat 2 is disposed on the rear side. A single side opening 4 having a large opening area used when an occupant seated in the front seat 1 and the rear seat 2 moves up and down is formed on the side of the vehicle body. 4 is opened and closed by a slide door 3.

  On the vehicle body rear side of the side opening 4, an upper rail 5 that supports the vicinity of the belt line of the slide door 3, that is, the vicinity of the center portion in the vertical direction of the slide door 3, is installed so as to extend in the longitudinal direction of the vehicle body. A lower rail 6 that supports the lower portion of the slide door 3 is installed at the lower side of the side opening 4 so as to extend in the front-rear direction of the vehicle body. An upper roller portion (not shown) and a lower roller portion 7 provided on the slide door 3 are supported slidably along the upper rail 5 and the lower rail 6.

The lower rail 6 is disposed on the front side of the vehicle and on the outer side of the vehicle, and on the rear side of the vehicle and on the inner side of the vehicle with respect to the first lower rail 6A. And a second lower rail 6B. Specifically, as shown in FIG. 5, the first and second lower rails 6 </ b> A and 6 </ b> B are juxtaposed on the left and right below a pair of left and right side sills 9 installed along the sides of the floor panel 8. It is installed so as to extend in the front-rear direction of the vehicle body. Further, the front portions of the first and second lower rails 6A and 6B are bent so that the front ends thereof extend inward of the vehicle body. Thus, when the sliding door 3 is opened, the sliding door 3 is once moved to the outer side of the vehicle body and then slid to the rear side of the vehicle body to be displaced to the opening position of the side opening 4. Has been.

  As shown in FIG. 6, the first and second lower rails 6 </ b> A and 6 </ b> B are made of a rail member having a U-shaped cross section with openings 61 and 62 formed on the side surfaces, and the opening 61 of the first lower rail 6 </ b> A is in the vehicle width direction. The opening 62 of the second lower rail 6B is formed on the inner side in the vehicle width direction. As shown in FIGS. 3 and 5, the lower roller portion 7 is fixed below the front end portion of the slide door 3 and protrudes inward of the vehicle body, and on the front end side of the roller holding bracket 20. A first roller unit 30 installed and slidably supported by the first lower rail 6A; a second roller unit 40 installed on the inner end side of the roller holding bracket 20 and slidably supported by the second lower rail 6B; It is made up of.

  As shown in FIG. 5, the roller holding bracket 20 includes a base portion 21 fixed to the slide door 3, a first roller holding piece 22 protruding from the base portion 21 to the front side of the vehicle body, and an inward side of the vehicle body. The second roller holding piece 23 protrudes. As shown in FIG. 6, a fastening portion 21 a that protrudes upward is formed on the base portion 21 of the roller holding bracket 20, and the outer end portion of the roller holding bracket 20 is a lower portion of the slide door 3 through the fastening portion 21 a. It is bolted to. Further, connecting arms 22a and 23a are provided upright on the upper surfaces of the first and second roller holding pieces 22 and 23, and the leading ends of the connecting arms 22a and 23a are connected to the first and first rollers 61 and 62, respectively. 2 are introduced into the lower rails 6A and 6B, respectively. 5 and 6, reference numeral 10 denotes a floor member that is joined to the lower surface of the floor panel 8 and extends in the front-rear direction of the vehicle body so that the front end portion of the lower rail 6 is supported by the floor member 10. It has become.

  As shown in FIG. 7, the first roller unit 30 includes a disk-shaped base body 31 fixed to the connecting arm 22a, and a pair of upper and lower roller supports fixed to the upper and lower surfaces of the base body 31. 32, first and second horizontal rollers 33 and 34 supported by the roller support 32, and a pair of upper and lower ball bodies 35 rotatably supported by recesses formed on the upper and lower surfaces of the roller support 32. And have. The first horizontal roller 33 abuts on the inner side wall surface of the lower rail 6 and the second horizontal roller 34 abuts on the outer side wall surface of the lower rail 6A and rolls, so that the horizontal direction of the slide door 3 is increased. In addition, the upper and lower ball bodies 35 are in contact with the upper and lower surfaces of the lower rail 6A and roll so that the slide door 3 is positioned in the vertical direction.

  The second roller unit 40 is configured in the same manner as the first roller unit 30, and the description of the specific configuration is omitted. The upper rail 5 and the upper roller portion supported by the upper rail 5 include, for example, a general horizontal roller that is rotatably supported with a vertical axis as a fulcrum, and a U-shaped cross-section rail that supports the roller. It has become.

  As shown in FIGS. 8 to 12, the slide door 3 is provided in a door main body 43 including an outer panel 41 and an inner panel 42, a door sash 44 installed above the door main body 43, and the door main body 43. And a side window glass 45 that is driven up and down by the up-and-down drive mechanism, and a pillar member 46 is provided at the middle part in the front-rear direction of the slide door 3. The pillar member 46 is formed of a square pipe material or the like having a substantially rectangular cross-sectional shape, and from the installation portion of the pair of left and right roof side rails 49 extending in the front-rear direction of the vehicle body along the upper side portion of the side opening 4. It passes through the inner side of the side window glass 45 and is arranged so as to extend in the vertical direction to the installation portion of the side sill 9.

  That is, as shown in FIG. 10, the upper end portion of the pillar member 46 is joined to the lower end portion of the door sash 44. The door sash 44 has a substrate 50 and a pair of front and rear node plates 51 and a flat surface. When the reinforcing member 52 having a U-shaped cross section as viewed from the side is disposed at a position corresponding to the joint portion of the pillar member 46, the upper end portion of the pillar member 46 is roofed via the reinforcing member 52. It is comprised so that the installation part of the side rail 49 may be opposed. In the roof side rail 49, a reinforcing member 55 having a base plate 53 and a pair of front and rear node plates 54, similar to the reinforcing member 52, at a position where the upper end of the pillar member 46 faces when the slide door 3 is closed. Is arranged. Furthermore, a cross-hat-shaped roof cross member 56 extending in the vehicle width direction is installed between the left and right roof side rails 49 at a position where the upper end of the pillar member 46 faces when the slide door 3 is closed. ing.

  The upper portion of the pillar member 46 is disposed at a predetermined distance from the side window glass 45 so that a line-of-sight space 57 is formed between the inner side surface of the side window glass 45 and the vehicle body. It is curved in an arc shape when viewed from the front and rear surfaces. The lower part of the pillar member 46 is disposed between the outer panel 41 and the inner panel 42 of the door main body 43, and the lower end of the pillar member 46 is located at the lower part of the inner panel 42. It is joined to. Further, a floor cross member 80 having a hat-like cross section extending in the vehicle width direction is provided between the left and right side sills 9 and at a position where the lower end of the pillar member 46 faces when the slide door 3 is closed. It is installed above.

  As shown in FIG. 10, a shoulder anchor 59 of a seat belt device 58 that restrains an occupant seated on the front seat 1 is attached to an upper portion of the pillar member 46, and a lower portion of the pillar member 46 is attached to a lower portion of the pillar member 46. As shown in FIG. 11, a belt retractor 63 and a belt wrap anchor 64 of the seat belt device 58 are attached. In FIG. 11, reference numeral 65 denotes a door trim material that covers the inner wall surface of the door main body 43, and reference numerals 66 and 67 denote impact bars that are installed in the door main body 43 so as to extend in the front-rear direction of the vehicle body. A pillar trim material (not shown) is installed on the inner surface side of the upper portion of the pillar member 46.

  From the side opening 4 formed on the side surface of the vehicle body as described above, the slide door 3 that slides back and forth from the closed position of the side opening 4 and displaces to the open position, and the door main body 43 of the slide door 3. Side window glass 45 installed on the upper side, a pair of left and right roof side rails 49 extending in the front-rear direction of the vehicle body along the upper side of the side opening 4, and the vehicle body along the lower side of the side opening 4. In the side part structure of an automobile provided with a pair of left and right side sills 9 extending in the front-rear direction, the intermediate part of the slide door 3 passes through the inner side of the side window glass 45 from the installation part of the roof side rail 49. Since the pillar member 46 extending in the vertical direction to the installation portion of the side sill 9 is disposed, the strength of the side surface portion of the vehicle body when the slide door 3 is closed is determined as the pillar member. It can be sufficiently secured by 6.

  That is, a pillar member 46 is provided in the middle part in the front-rear direction of the slide door 3, and the pillar member 46 extends from the installation part of the roof side rail 49 to the installation part of the side sill 9 through the inner side of the side window glass 45. Since the vertical dimension of the pillar member 46 is set as described above, even when a large side opening 4 is formed on the side of the vehicle body for the passenger sitting on the front seat 1 and the rear seat 2 to move up and down, In the event of a collision, the impact load input to the side surface of the vehicle body can be effectively supported by the pillar member 46, and the impact load is transmitted from the pillar member 46 to the roof side rail 49 and the side sill 9. It can be absorbed effectively.

  And when the said slide door 3 is open | released, since the pillar member 46 moves to the back side of a vehicle body with this slide door 3, the side surface opening part 4 which has a large opening area without a center pillar can be formed. . Therefore, it is possible to easily get on and off passengers and load and unload luggage with respect to the passenger compartment.

  In addition, since the pillar member 46 is disposed on the inner side of the side window glass 45, the side window glass 45 is continuously installed over the entire slide door 3 to effectively improve the design of the vehicle body. There is an advantage that can be made. That is, when a pillar member extending in the vertical direction is disposed on the outer side of the slide door 3, the side window glass is divided into front and rear by the pillar member. It is inevitable that the sense of unity of the so-called glass area, which is an area where glass exists, is impaired. On the other hand, when the pillar member 46 is disposed on the inner side of the side window glass 45 as described above, a sense of unity of the glass area can be reliably obtained, and the side surface of the vehicle body can be smoothed to reduce wind noise and noise. There is an advantage that air resistance can be effectively reduced.

  In particular, as shown in the above embodiment, when the space 57 for the line of sight is formed between the outer surface of the pillar member 46 and the inner surface of the side window glass 45 by separating them from each other, the front seat 1 When the seated occupant visually recognizes the rear outer side of the vehicle body through the side window glass 45 and when the occupant seated in the rear seat seat 2 visually recognizes the front outer side of the vehicle body through the side window glass 45. A sufficient field of view can be secured through the line-of-sight space 57 (see the arrow), and the appearance of the vehicle body can be effectively prevented by suppressing the pillar member 46 from being visually recognized from outside the vehicle. There is an advantage that it can be prevented.

  In the above embodiment, since the shoulder anchor 59 of the seat belt device 58 is installed on the pillar member 46, the side opening 4 extends to the rear side of the front seat 1, so Even when it is configured to be able to get on and off easily, that is, when a quarter panel or the like generally used as a shoulder anchor installation portion is located considerably rearward of the front seat 1, the shoulder anchor By disposing 59 at an appropriate position, there is an advantage that an occupant seated on the front seat 1 can be properly protected via the seat belt device 58.

  When the shoulder anchor 59 of the seat belt device 58 is installed on the pillar member 46 as described above, the seat belt device 58 is prevented in order to prevent the sliding door 3 from being opened when the seat belt device 58 is used. Until the operation of releasing the restraint state of the occupant by the seat belt device 58 is detected, and the locking mechanism of the slide door 3 is kept in the locked state. It is preferable to have a structure provided with a regulating means for maintaining.

  Further, as shown in the above embodiment, when the roof cross member 56 extending in the vehicle width direction between the left and right roof side rails 49 is installed at a position where the upper end of the pillar member 46 faces when the slide door 3 is closed. Since the impact load input to the installation portion of the roof side rail 49 via the pillar member 46 can be supported by the roof cross member 56 at the time of a side collision of an automobile, the strength of the side surface portion of the vehicle body is increased. There is an advantage that it can be improved more effectively.

  Furthermore, in the above embodiment, when the floor cross member 80 extending in the vehicle width direction between the left and right side sills 9 is installed at a position where the lower end portion of the pillar member 46 faces when the slide door 3 is closed, The impact load input to the installation portion of the side sill 9 via the pillar member 46 can be supported by the floor cross member 80 at the time of a collision or the like, so that the strength of the side surface of the vehicle body can be improved more effectively. There is an advantage.

It is a side view which shows embodiment of the side part structure of the motor vehicle based on this invention. It is a side view which shows the state which opened the slide door. It is a top view which shows embodiment of the side structure of the motor vehicle based on this invention. It is a top view which shows the state which open | released the slide door. It is a perspective view which shows the specific structure of a lower rail. It is the sectional view on the AA line of FIG. It is sectional drawing which shows the specific structure of a roller unit. It is a side view which shows an installation state in a pillar member. It is a perspective view which shows the specific structure of a slide door. It is sectional drawing which shows the specific structure of a sliding door upper part. It is sectional drawing which shows the specific structure of a slide door lower part. It is explanatory drawing which shows the effect | action of the side part structure of the motor vehicle based on this invention.

Explanation of symbols

3 Slide door 4 Side opening 9 Side sill 45 Side window glass 46 Pillar member 49 Roof side rail 56 Roof cross member 57 Space for viewing 58 Seat belt device 59 Shoulder anchor 80 Floor cross room

Claims (5)

A side opening formed on the side surface of the vehicle body, a single sliding door that slides back and forth from the closed position of the side opening to the open position, and is installed above the door body of the sliding door. Side window glass, a pair of left and right roof side rails extending in the longitudinal direction of the vehicle body along the upper side of the side opening, and a pair of left and right side sills extending in the longitudinal direction of the vehicle body along the lower side of the side opening. The vehicle is provided with a side part structure, and extends vertically in the front-rear direction middle part of the sliding door from the installation part of the roof side rail to the installation part of the side sill through the inner side of the side window glass. the pillar member is disposed, together with the upper portion of the pillar member opposed to the installation portion of the roof side rail, facing the lower end portion of the pillar member in the installation portion of the side sill Installed in so that the side structure for an automobile, characterized in that it is configured to move the opening the pillar member when the vehicle body rear side of the slide door.   2. The side part structure of an automobile according to claim 1, wherein a line-of-sight space is formed between the outer side surface of the pillar member and the inner side surface of the side window glass by separating them from each other.   The side part structure of an automobile according to claim 1 or 2, wherein a shoulder anchor of a seat belt device is installed on the pillar member.   The roof cross member extending in the vehicle width direction between the left and right roof side rails is installed at a position where the upper end portion of the pillar member faces when the slide door is closed. Side structure of the described automobile.   5. The floor cross member extending in the vehicle width direction between the left and right side sills is installed at a position where the lower end portion of the pillar member faces when the slide door is closed. 6. Car side structure.

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