JP2005053386A - Pillar structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a pillar structure capable of increasing a pillar rigidity, assuring a dwelling characteristic and making a light weight of a vehicle. <P>SOLUTION: There is provided a pillar structure having a reinforcing member 24 installed at a pillar 20 connected to a back-panel 25. The reinforcing member 24 is constituted such that its rear part is fixed to the rear part of a vehicle and its front part is abutted against the U-shaped front part of the pillar 20 and at the same time either the abutting part or a part near the abutting part is fixed. With such an arrangement as above, since the reinforcing member 24 abuts against the surface of the high rigidity pillar 20 and provides a tension in the pillar 20, a rigidity of the pillar 20 can be increased and further a dwelling characteristic at the vehicle can be assured and a weight reduction of the vehicle can be attained. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a pillar structure used for a truck cab or the like.

  As shown in FIGS. 5 and 6, the truck cab 1 includes a roof panel 2 that forms the ceiling of the passenger compartment, a back panel 3 that is located at the rear of the passenger compartment, and a floor panel 4 that forms the floor plate of the cab 1. The front pillar 5 is located on the left and right of the front part of the passenger compartment, and the quarter pillar 6 is located on the right and left of the rear part of the passenger compartment. The rear portion of the cab 1 includes an upper end edge 7 of the back panel 3 and an opening 8 defined by the left and right quarter pillars 6. A back window (not shown) is fitted into the opening 8. The side of the cab 1 is provided with left and right door openings 9 defined by a front pillar 5 and a quarter pillar 6, and the door opening 9 is provided with a door (not shown). Further, a hat-like back panel reinforcement 3 a is fixed to the upper portion of the back panel 3.

  Here, the quarter pillar 6 includes a quarter pillar inner 10 that extends in the vertical direction of the cab 1 and is positioned on the vehicle interior side, a cycle outer (quarter pillar outer) 11 that extends in the vertical direction of the cab 1 and is positioned outside the vehicle, A quarter pillar reinforcement 12 located between the quarter pillar inner 10 and the cylinder outer 11 is combined. The quarter pillar inner 10 and the cylinder outer 11 are fixed to the back panel 3 or the like by spot welding at the rear part of the vehicle, and the quarter pillar reinforcement 12 is sandwiched between the ends of the quarter pillar inner 10 and the cylinder outer 11 and spot welded. Are fixed together.

  Further, the quarter pillar 6 and the back panel 3 are continuously connected from the back panel reinforcement 3a to the vehicle interior side at the joining position of the quarter pillar inner 10 and the back panel 3 so as to be able to cope with a load generated from a three-point belt, a child seat or the like. The corner extension 13 and the reinforcing panel are arranged so as to protrude to the side to ensure rigidity. As another example of ensuring the rigidity, there is a case where the quarter pillar 6 and the back panel 3 are thickened to ensure the rigidity.

Here, as a prior art document showing the structure of a quarter pillar such as a quarter pillar inner and a cycle outer, Patent Document 1 exists, and as a prior art document showing a case where a reinforcing panel is arranged, Patent Document 2 exists, As a prior art document showing a case where rigidity is ensured when a child seat is provided, Patent Document 3 exists.
JP-A-7-285469 JP-A-8-230714 JP 2002-29371 A

  However, as described above, when the corner extension 13 or the reinforcing panel is disposed on the quarter pillar 6 and the back panel 3 so as to cope with the load generated from the three-point belt, the child seat, or the like, the corner extension 13 or the like is disposed in the vehicle compartment. There was a problem that the occupant's space protruded and the comfortability deteriorated. In addition, when the quarter pillar 6 and the back panel 3 are made thick to ensure rigidity, there is a problem that the weight of the cab 1 is increased and manufacturing cost and fuel consumption are deteriorated.

  This invention is made | formed in view of the above-mentioned situation, and it aims at providing the pillar structure which can ensure the comfortability and can reduce weight while improving the rigidity of a pillar.

  The present invention is a pillar structure including a reinforcing member in a pillar joined to a back panel, and the reinforcing member fixes a rear portion to the rear side of the vehicle and abuts the front portion to the U-shaped front of the pillar. And a pillar structure characterized in that the contact portion or the vicinity of the contact portion is fixed.

  Thus, according to the present invention, the reinforcing member is fixed to the rear side of the vehicle, and the front portion is brought into contact with the front of the pillar and is fixed at the contact portion or in the vicinity of the contact portion. It is possible to increase the rigidity of the pillar by abutting against the surface of the pillar having high rigidity and stretching in the pillar. At the same time, the reinforcing member can ensure comfortability without protruding into the passenger space of the passenger compartment. In addition, the reinforcing member eliminates the need to increase the thickness of the pillar and the back panel to ensure rigidity, so that the increase in the thickness can be suppressed, the weight can be reduced, and the manufacturing cost and fuel consumption can be prevented from deteriorating. it can.

  According to the above-described pillar structure of the present invention, the reinforcing member abuts on the surface of the high-strength pillar and stretches in the pillar, so that the rigidity of the pillar can be increased, and the comfort can be ensured and the weight can be reduced. Can have an effect.

  Hereinafter, a first example of an embodiment of the present invention will be described with reference to the drawings.

  FIG. 1 is a schematic plan view showing a pillar structure of a first example of the embodiment of the present invention, and FIG. 2 is a perspective view showing reinforcing means of the pillar structure of the first example.

  The quarter pillar 20 in the pillar structure of the first example includes a quarter pillar inner 21 that extends in the vertical direction of the cab and is positioned on the vehicle interior side, and a cycle outer (quarter pillar outer) 22 that extends in the vertical direction of the cab and is positioned outside the vehicle. And a quarter pillar reinforcement 23 located between the quarter pillar inner 21 and the cylinder outer 22, and a reinforcing member bracket 24 located in the internal space formed by the quarter pillar inner 21 and the quarter pillar reinforcement 23. Has been. Further, the back panel 25 in the pillar structure is located at the rear part of the passenger compartment.

  The quarter pillar inner 21 is bent from the inner panel main body portion 26 that forms the inner surface of the quarter pillar 20, the inner panel front joint portion 27 that extends from the inner panel main body portion 26 toward the front of the vehicle, and the inner panel main body portion 26. And an inner panel rear joint 28 formed substantially parallel to the back panel 25.

  The outer outer body 22 has a horizontal cross-section, and the outer panel main body portion 29, which is the outer surface of the quarter pillar 20, the outer panel front bent portion 29a, and the outer panel rear bent portion 29c form a U-shape. An outer panel front joint 30 that bends toward the front of the vehicle and an outer panel rear joint 31 that extends substantially parallel to the back panel 25 from the outer panel rear bend 29c are provided. Here, the outer panel front bent portion 29 a is formed with a front extending portion 29 b that is bent from the outer panel front bent portion 29 a and extends to the outer panel front joint portion 30 toward the front of the vehicle. Further, the outer panel rear bent portion 29c is provided with an insertion hole 33 so that the duct 32 can be disposed.

  The quarter pillar reinforcement 23 forms a U-shape that is slightly smaller than the cylinder outer 22 by a pillar reinforcement main body portion 34 that is a vehicle outer surface in a horizontal section, a front bent portion 34a, and a rear bent portion 34c. A pillar reinforcement front joint portion 35 bent from the bent portion 34a and heading forward of the vehicle, and a pillar reinforcement rear joint portion 36 extending substantially parallel to the back panel 25 from the rear bent portion 34c are provided. Here, the front bent portion 34a extending in the vehicle width direction is formed with a front extending portion 34b that is bent from the front bent portion 34a and extends to the pillar reinforcement front joint portion 35 so as to go forward in the vehicle. Yes. The rear bent portion 34c extending in the vehicle width direction is provided with an insertion hole 37 so that the duct 32 can be disposed corresponding to the insertion hole 33 of the outer panel rear bent portion 29c.

  The outer outer panel rear joint portion 31 and the rear pillar rear joint portion 36 are fixed to the back panel 25 by spot welding or the like so that the cycle outer 22 and the quarter pillar reinforcement 23 are fixed at the rear of the vehicle. Further, the quarter pillar inner 21, the cylinder outer 22 and the quarter pillar reinforcement 23 are spot welded by sandwiching the pillar reinforcement front joint 35 between the inner panel front joint 27 and the outer panel front joint 30 so as to be fixed in front of the vehicle. It adheres by etc.

  On the other hand, the bracket 24 of the reinforcing member disposed in the inner space of the quarter pillar inner 21 and the quarter pillar reinforcement 23 includes a box-shaped portion 38 having a contact surface 38a facing the vehicle width direction in front of the vehicle, and the box-shaped portion 38. A rearward extending portion 39 extending rearward from the rear end of the vehicle, a peripheral portion 40 formed on the outer periphery of the box-shaped portion 38 and the rearward extending portion 39, and substantially parallel to the back panel 25 from the rear end of the peripheral portion 40. The rear joining part 41 is provided. Here, a front joint surface 40a is provided in front of the peripheral portion 40, and a joint surface 40b (downward in FIG. 2) to the quarter pillar inner 21 is provided on at least one of the upper and lower portions of the peripheral portion 40. Yes. The box-shaped portion 38 is formed so as not to interfere when the duct 32 is disposed.

  Further, the bracket 24 of the reinforcing member is fixed by spot welding or the like by sandwiching the rear joint portion 41 between the inner panel rear joint portion 28 and the back panel 25 so that the rear portion is fixed to the rear side of the vehicle, and the front portion is fixed to the front side of the vehicle. The abutting surface 38a of the box-shaped portion 38 is brought into contact with the front bent portion 34a that forms one side of the U-shaped pillar reinforcement body 34 so as to be fixed to the side, and the front joining surface 40a of the peripheral portion 40 is fixed. Is fixed to the front extension 34b of the pillar reinforcement main body 34 by spot welding or the like. Furthermore, the bracket 24 of the reinforcing member is welded to the quarter pillar inner 21 at least one of the joint surfaces 40b above or below the peripheral edge portion 40. Here, the rear portion of the bracket 24 may be fixed to the cycle outer 22 and the quarter pillar reinforcement 23 instead of fixing to the quarter pillar inner 21 and the back panel 25. Further, the bracket 24 may have the abutting surface 38a fixed to the front bent portion 34a. Further, in the case of the structure without the quarter pillar reinforcement 23, the front side of the outer panel that forms one side of the C-shaped outer 22 is formed. It may be brought into contact with the bent portion 29a and fixed in the vicinity thereof.

  Hereinafter, the operation of the first example of the embodiment of the present invention will be described.

  When a load from a three-point belt, a child seat or the like is generated on the quarter pillar 20 and the back panel 25, the contact surface 38a of the box-shaped portion 38 forms one side of the U-shape of the pillar reinforcement main body 34. By making contact with the front bent portion 34a by surface contact, the bracket 24 of the reinforcing member is stretched against the load, and deformation of the quarter pillar 20 and the back panel 25 is prevented.

  Thus, the bracket 24 of the reinforcing member fixes the rear rear joint portion 41 to the rear side of the vehicle, and abuts the front abutting surface 38a to the U-shaped front of the quarter pillar 20 to thereby contact the abutting surface. Since the abutting portion 38a or the abutting portion which is the front joint surface 40a is fixed in the vicinity of the abutting portion 38a, the bracket 24 of the reinforcing member abuts on the front bending portion 34a of the quarter pillar 20 having high rigidity, and in the quarter pillar 20 The rigidity of the quarter pillar 20 can be increased. Furthermore, if the contact surface 38a and the front joining surface 40a are provided on the bracket 24 of the reinforcing member so as to follow the highly bent front bent portion 34a and the front extending portion 34b, the rigidity can be further increased. Furthermore, if the contact surface 38a has a box cross section comprising an upper surface 38b, a bottom surface 38c, and a lower surface 38d forming a box-shaped portion, the rigidity can be further increased. In addition, since the bracket 24 as the reinforcing member is disposed in the space between the quarter pillar inner 21 and the cylinder outer 22, even if the bracket 24 is provided with irregularities, it does not protrude into the passenger space of the passenger compartment and ensures comfort. be able to. In addition, the reinforcing member eliminates the need to increase the thickness of the quarter pillar 20 and the back panel 25 to ensure rigidity, thereby suppressing the increase in thickness and reducing the weight, thereby preventing deterioration in manufacturing cost and fuel consumption. can do.

  The second example of the embodiment of the present invention will be described below with reference to the drawings.

  FIG. 3 is a schematic plan view showing a pillar structure of a second example of the embodiment of the present invention, and FIG. 4 is a perspective view showing reinforcing means of the pillar structure of the second example.

  The quarter pillar 50 in the pillar structure of the second example is substantially the same as the first example, the quarter pillar inner 51 extending in the vertical direction of the cab and positioned on the vehicle interior side, and extending in the vertical direction of the cab and positioned outside the vehicle. Cycle member outer (quarter pillar outer) 52, quarter pillar inner 51 and quarter pillar reinforcement 53 located between the cycle outer 52, and a reinforcing member located in an internal space formed by the quarter pillar inner 51 and the quarter pillar reinforcement 53 The corner extension 54 is combined. Further, the back panel 55 in the pillar structure is located at the rear part of the passenger compartment, and the corner extension 54 is continuous with the back panel reinforcement 3a (FIG. 6).

  The quarter pillar inner 51 is bent from the inner panel main body portion 56 that forms the inner surface of the quarter pillar 50, the inner panel front joint portion 57 that extends from the inner panel main body portion 56 toward the front of the vehicle, and the inner panel main body portion 56. And an inner panel rear portion 58 formed substantially parallel to the back panel 55.

  The outer outer body 52, the outer panel main body portion 59, which is the outer surface of the quarter pillar 50, the outer panel front bent portion 59a, and the outer panel rear bent portion 59c form a U-shape in a horizontal section, and the outer outer front panel bent portion 59a An outer panel front joint 60 that bends toward the front of the vehicle and an outer panel rear joint 61 that extends substantially parallel to the back panel 55 from the outer panel rear bend 59c are provided. Here, in the front of the outer panel front bent portion 59a extending in the vehicle width direction, a front extending portion 59b that is bent from the outer panel front bent portion 59a and extends to the outer panel front joint portion 60 so as to go forward in the vehicle is formed. doing.

  The quarter pillar reinforcement 53 has a pillar reinforcement main body portion 62 which is a surface on the vehicle outer side in a horizontal section, a front bent portion 62a, and a rear bent portion 62c, and forms a U-shape slightly smaller than the cycle outer 52. There is provided a pillar reinforcement front joint portion 63 bent from the bent portion 62a and heading forward of the vehicle, and a pillar reinforcement rear joint portion 64 extending substantially parallel to the back panel 55 from the rear bent portion 62c. Here, a front extending portion 62b that is bent from the front bent portion 62a and extends to the pillar reinforcement front joint portion 63 is formed in front of the front bent portion 62a extending in the vehicle width direction. doing.

  The outer outer panel rear joint portion 61 and the rear pillar rear joint portion 64 are fixed to the back panel 55 by spot welding or the like so that the cycle outer 52 and the quarter pillar reinforcement 53 are fixed at the rear of the vehicle. Further, the quarter pillar inner 51, the cylinder outer 52 and the quarter pillar 53 are spot welded by sandwiching the pillar reinforcement front joint 63 between the inner panel front joint 57 and the outer panel front joint 60 so as to be fixed in front of the vehicle. It adheres by etc.

  On the other hand, the corner extension 54 of the reinforcing member disposed in the inner space of the quarter pillar inner 51 and the quarter pillar reinforcement 53 has an upper surface 66 and a lower surface (not shown) on a side surface 65 that curves from the vehicle front-rear direction to the vehicle width direction. A main body portion 67 that is formed in a U-shape with a vertical cross-sectional shape, a front joint portion 68 that extends from the side surface 65 of the main body portion 67 toward the front of the vehicle, and an end portion of the upper surface 66 of the main body portion 67 that extends upward. In addition, the upper portion 69 extends along the extending direction of the main body portion 67 through the front upper contact surface 69a that extends outward from the front joint portion 68 in the vehicle width direction, and extends downward from the end portion of the lower surface of the main body portion 67 and forward. A lower portion 70 is provided along the extending direction of the main body portion 67 through a front lower contact surface 70a that extends outward from the joint portion 68 in the vehicle width direction. Here, the upper portion 69 includes a rear upper joint surface 69b corresponding to the back panel reinforcement 3a (FIG. 6) of the back panel 55 at the rear of the vehicle. The lower portion 70 includes a rear lower joint surface 70b corresponding to the back panel reinforcement 3a of the back panel 55 at the rear of the vehicle. Furthermore, the main body 67 is configured such that a portion 67a extending substantially in parallel with the back panel 55 goes to the center of the vehicle beyond the quarter pillar inner 51 and is fixed to the back panel reinforcement 3a by arc welding.

  Further, the corner extension 54 of the reinforcing member has the rear upper joint surface 69b of the upper portion 69 and the rear lower joint surface 70b of the lower portion 70, the back panel reinforcement 3a and the back panel 55 so that the rear portion is fixed to the vehicle rear side. The front upper abutment surface 69a of the upper portion 69 and the front lower abutment surface 70a of the lower portion 70 are connected to the pillar reinforcement main body 62 so that the front portion is fixed to the front side of the vehicle. The front bent portion 62a forming one side of the U-shape is abutted, and the front joint portion 68 is fixed to the front extending portion 62b of the pillar reinforcement main body portion 62 by spot welding or the like. Here, the rear part of the corner extension 54 may be fixed to the cycle outer 52 and the quarter pillar reinforcement 53 instead of fixing to the back panel 55. Further, the corner extension 54 may fix the front upper contact surface 69a and the front lower contact surface 70a to the front bent portion 62a. Further, in the case where the quarter pillar reinforcement 53 is not provided, the corner outer 52 is provided. The U-shaped one side of the outer panel may be brought into contact with the bent portion 59a at the front and fixed in the vicinity thereof.

  Hereinafter, the operation of the second example of the embodiment of the present invention will be described.

  When a load from a three-point belt, a child seat or the like is generated on the quarter pillar 50 and the back panel 55, the front upper contact surface 69a of the upper portion 69 and the front lower contact surface 70a of the lower portion 70 are The corner extension 54 of the reinforcing member is stretched against the load by contacting the front bent portion 62a forming one side of the U-shape of the reinforcement main body portion 62 with surface contact, and the quarter pillar 50 and the back panel 55 are deformed. To prevent.

  In this way, the corner extension 54 of the reinforcing member fixes the rear upper joint surface 69b and the rear lower joint surface 70b on the rear side to the vehicle rear side, and the front upper contact surface 69a and front lower contact on the front portion. The surface 70a is in contact with the U-shaped forward bent portion 62a of the quarter pillar 50, and is a contact portion that is the front upper contact surface 69a and the front lower contact surface 70a or a front joint portion 68 in the vicinity of the contact portion. Since they are fixed, the corner extension 54 of the reinforcing member abuts on the surface of the quarter pillar 50 having high rigidity and is stretched in the quarter pillar 50, so that the rigidity of the quarter pillar 50 can be increased. Furthermore, since the front upper contact surface 69a, the front lower contact surface 70a, and the front joint portion 68 are provided on the corner extension 54 of the reinforcing member so as to follow the rigid front bending portion 62a and the front extension portion 62b. The rigidity can be further increased. Furthermore, if the front upper contact surface 69a and the front lower contact surface 70a have a cross section including a side surface 65, an upper surface 66, a lower surface (not shown), an upper portion 69, and a lower portion 70, the rigidity is further increased. be able to. Further, since the corner extension 54 of the reinforcing member is disposed in the space between the quarter pillar inner 51 and the cylinder outer 52, even if the corner extension 54 is provided with unevenness, it does not protrude into the passenger space of the passenger compartment, thereby improving the comfort. Can be secured. In addition, the reinforcing member eliminates the need to increase the thickness of the quarter pillar 50 and the back panel 55 to ensure rigidity, thereby suppressing the increase in thickness and reducing the weight, thereby preventing deterioration in manufacturing cost and fuel consumption. can do.

  On the other hand, as a third example of the embodiment of the present invention, the bracket 24 of the reinforcing member of the first example and the corner extension 54 of the second example may be provided in one quarter pillar 50 at the same time. In this case, it is preferable that the corner extension 54 of the reinforcing member of the second example is provided in the back panel reinforcement 3a of the back panel 55, and the bracket 24 of the reinforcing member of the first example is the corner of the reinforcing member of the second example. It is preferable to be provided below the extension 54. According to such a third example, substantially the same operational effects as the first example and the second example can be obtained.

  Note that the pillar structure of the present invention is not limited to the above-described embodiments, and other examples may be used for the shape of the quarter pillar inner, the cylinder outer, the quarter pillar reinforcement, and the like. Of course, various changes can be made without departing from the scope of the invention.

It is a schematic plan view which shows the pillar structure of the 1st example of embodiment of this invention. It is a perspective view which shows the reinforcement means of the pillar structure of a 1st example. It is a schematic plan view which shows the pillar structure of the 2nd example of embodiment of this invention. It is a perspective view which shows the reinforcement means of the pillar structure of a 2nd example. It is a perspective view which shows the back of a cab from the vehicle outer side. It is a perspective view which shows the pillar of a cab from the compartment side.

Explanation of symbols

20 Quarter pillar (pillar)
24 Bracket (Reinforcing member)
25 Back panel 50 Quarter pillar (pillar)
54 Corner extension
55 Back panel

Claims (1)

  The pillar structure is provided with a reinforcing member on the pillar joined to the back panel, and the reinforcing member fixes the rear part to the rear side of the vehicle, contacts the front part with the U-shaped front of the pillar, A pillar structure characterized in that the contact portion or the vicinity of the contact portion is fixed.

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