JP4635740B2 - Vehicle side body structure - Google Patents

Description

The present invention relates to a side body structure of a vehicle applied to a hollow pillar having an opening.

  An opening is provided in a hollow body component such as a front pillar, and a wiring harness is introduced into the opening to perform wiring within the body component, and wiring components such as connectors, relays, and fuses are provided in the opening. Conventionally, storing is performed. For example, a connector box is fitted into the opening of the front pillar that opens to the passenger compartment side, and the connectors are coupled and fixed to each other while the door-side wire harness and the vehicle body-side wire harness are routed in the connector box. There is a thing (patent document 1). In addition, there is Patent Document 2 as a prior art document related to the present invention.

JP-A-11-263175 JP 2000-315664 A

In the case of the structure in which the opening is formed in the hollow pillar , the mechanical strength of the portion where the opening is provided is lowered. When a collision load acts on such a pillar , there is a possibility that stress concentrates on a portion where the opening is provided and plastic deformation is likely to occur.

Then, an object of this invention is to provide the side part vehicle body structure of the vehicle which can suppress the fall of the intensity | strength of the pillar provided with the opening part.

Side vehicle-body structure of a vehicle of the present invention, chromatic and the pillar outer panel which is opening is formed is joined to the pillar inner state opposite to the pillar inner and the pillar inner located inside in the vehicle width direction is located outward in the vehicle width direction and, wherein the opening and to direct the vehicle width direction inner side is arranged on the side of the vehicle Rutotomoni, a hollow pillar extending in the vehicle vertical direction is coupled to a rocker which extends in the longitudinal direction of the vehicle, the thickness direction A cylindrical wall portion including a lateral wall portion extending so as to connect the pillar inner and the pillar outer in a vertical direction of the vehicle, and being insertable into the opening portion, and extending along the edge of the opening portion from the cylindrical wall portion. A flange portion extending outward of the opening portion and a bottom wall portion closing an end portion of the cylindrical wall portion in the vehicle width direction and inserted into the opening portion of the pillar. With part is coupled to the pillar inner, the bottom wall portion by being coupled to the pillar outer panel, by providing a reinforcing member for coupling the said pillar inner pillar outer, to solve the problems described above (according Item 1).

According to this invention, the pillar inner and the pillar outer are coupled by the reinforcing member in a state where the cylindrical wall portion including the lateral wall portion is inserted into the opening. For this reason, even when an impact load acts on the pillar from the front-rear direction of the vehicle, the lateral wall portion can generate a sufficient resistance against the input of the impact load. Therefore, the strength reduction of the pillar due to the formation of the opening can be suppressed by the reinforcing member. Moreover, since the cylindrical wall portion is positioned so as to penetrate the pillar, the bending rigidity of the pillar is increased, and the edge of the opening is reinforced by the flange portion, so that the deformation of the opening is suppressed and the mechanical strength of the pillar is suppressed. Will improve .

In side vehicle-body structure of a vehicle of the present invention, it may have a reinforcing wall reinforcing member extends to partition the space of the cylindrical wall portion in the vehicle vertical direction (Claim 2). In this case, since the reinforcing wall portion can generate a sufficient resistance against the collision load from the vehicle front-rear direction, the effect of suppressing the decrease in pillar strength is further improved. The number of reinforcing wall portions is not limited and a plurality of reinforcing wall portions may be provided.

The pillar of the present invention may be a center pillar of a vehicle or a front pillar (claim 3 ). The front pillar has a peculiar problem that a front wheel moves backward due to a frontal collision of the vehicle and an impact load is input through the front wheel. For this reason, it is desirable to suppress the strength reduction of the front pillar due to the formation of the opening as much as possible. Therefore, it is effective to apply the structure of the present invention to the front pillar.

The side vehicle-body structure of a vehicle of the present invention, the reinforcing member may have a holding and releasing capable connector holding mechanism of a given connector (claim 4). According to this aspect, the reinforcing member can function as a known connector box. Therefore, the opening can be effectively used without increasing the number of parts, as compared with a mode in which the opening is reinforced by the reinforcing member and the connector box is attached.

As described above, according to the present invention, the cylindrical wall portion including the lateral wall portion extending so as to connect the pillar inner and the pillar outer with the thickness direction directed in the vehicle vertical direction is inserted into the opening of the pillar. The pillar inner and the pillar outer are coupled by the reinforcing member. Therefore, even when an impact load acts on the pillar from the front and rear direction of the vehicle, the lateral wall portion can generate a sufficient resistance against the input of the impact load, and the strength of the pillar is reduced due to the formation of the opening. Can be suppressed. Moreover, since the cylindrical wall portion is positioned so as to penetrate the pillar, the bending rigidity of the pillar is increased, and the edge of the opening is reinforced by the flange portion, so that the deformation of the opening is suppressed and the mechanical strength of the pillar is suppressed. Will improve .

(First embodiment)
1 to 3 show an embodiment of the present invention, FIG. 1 is an exploded perspective view showing a main part of a side body structure from the passenger compartment side, and FIG. FIG. 3 is a partially enlarged view of a portion A in FIG. In these drawings, FR indicates the front of the vehicle, UP indicates the upper side of the vehicle, and IN indicates the inner side in the vehicle width direction (the same applies to the other drawings).

As shown in FIG. 1, a front pillar ( pillar ) 2 is provided on a side portion of the vehicle so as to extend in the vehicle vertical direction from a front end portion of a rocker 3 extending in the vehicle front-rear direction. The front pillar 2 is composed and the vehicle width direction inner side of the front pillar inner (pillar inner) 4 and the outer front pillar outer (pillar outer) 5 is joined so as to face the hollow. An opening 6 is formed in the lower portion of the front pillar inner 4, and a reinforcing member 11 is inserted into the opening 6 and coupled to the front pillar inner 4 and the front pillar outer 5. The front pillar outer 5 has a front pillar outer reinforcement 5a attached to the inner surface thereof (see FIG. 2).

  As shown in FIGS. 1 and 2, the reinforcing member 11 has a rectangular cross section and can be inserted into the opening 6, and the edge of the opening 6 from one end of the cylindrical wall 12 in the vehicle width direction. This is a box-like body having a flange portion 13 that extends to the outside of the opening 6 along 6a and a bottom wall portion 14 that closes the other end portion of the cylindrical wall portion 12 in the vehicle width direction. The reinforcing member 11 is configured by pressing a metal plate such as a steel plate. Various materials and processing methods can be used for the reinforcing member 11. For example, it may be formed by casting a metal material, or may be formed by injection molding of a resin material.

  The cylindrical wall portion 12 of the reinforcing member 11 has a pair of lateral wall portions 16 and 16 extending so as to connect the front pillar inner 4 and the front pillar outer 5 with the thickness direction directed in the vehicle vertical direction, 16 and side wall portions 17 and 17 for connecting 16 to each other. The outer edge of the flange portion 13 is configured to be larger than the opening portion 6, and the flange portion 13 and the front pillar inner 4 abut against each other when the reinforcing member 11 is inserted into the opening portion 6. A recess capable of receiving the flange portion 13 is formed in the edge 6a of the opening 6 so that when the flange portion 13 abuts against the front pillar inner 4, the heights of these surfaces are aligned. .

  A total of six bolt holes 18... 18 are formed at each of the four corners and the left and right sides of the flange portion 13, and two bolt holes 19, 19 are formed in the center of the bottom wall portion 14 in a state of being arranged side by side. ing. On the other hand, the front pillar inner 4 is formed with six bolt holes 8... 8 at positions corresponding to the bolt holes 18 of the flange portion 13, and the front pillar outer reinforcement 5 a is formed with the bolt holes 19 of the bottom wall portion 14. Two bolt holes 9, 9 are formed at corresponding positions (see FIGS. 2 and 3). In the state in which the reinforcing member 11 is inserted into the opening 6, the flange portion 13 and the front pillar inner 4 are joined by the bolt 70 and the nut 71 inserted into the bolt holes 19 and 9, and the bottom wall portion 14 and the front pillar outer rein The hosement 5 a is coupled to the bolt 70 inserted in the bolt holes 18 and 8 and the nut 71. As a result, the front pillar inner 4 and the front pillar outer 5 are coupled by the reinforcing member 11. There are no particular restrictions on the means for joining the reinforcing member 11 and the front pillar 2, and fastening means such as rivets or joining means such as welding, brazing, and adhesion may be used. The joining location can also be determined arbitrarily. When a joining means is used, it may be partially joined like spot welding, or the entire circumference may be joined like seam welding.

  According to the above-described side body structure, as shown in FIG. 4, even when the front wheel 10 moves backward due to a frontal collision of the vehicle and the collision load F is input to the front pillar 2 via the front wheel 10, the reinforcing member 11. Therefore, the strength reduction of the front pillar 2 due to the formation of the opening 6 is suppressed. More specifically, each of the lateral wall portions 16, 16 of the cylindrical wall portion 12 generates a sufficient drag N against the input from the front wheel 10, and the side wall portions 17, 17 penetrate the front pillar 2. Therefore, the bending rigidity of the front pillar 2 is increased. And since the edge 6a of the opening part 6 is reinforced by the flange part 13, a deformation | transformation of the opening part 6 is suppressed and the mechanical strength of the front pillar 2 improves.

  Furthermore, the space S1 formed by the cylindrical wall portion 12 and the bottom wall portion 14 can be used as a space for storing various components such as connectors and fuses provided at the terminal end of the wire harness. Although illustration is omitted, when connecting the wire harness on the vehicle door side and the wire harness on the vehicle compartment side, a through hole is provided in the side wall portion 17 of the reinforcing member 11, and the door side is provided in the through hole. It is also possible to connect the wire harness on the door side and the wire harness on the vehicle side with a connector using the inside of the space S1 of the reinforcing member 11 through the wire harness.

( Reference example )
Next , reference examples of the present invention will be described. This reference example is different from the first embodiment only in the configuration of the reinforcing member. Similarly to the first embodiment, the reinforcing member 21 shown in FIG. 5 joins the front pillar inner 4 and the front pillar outer 5 while being inserted into the opening 6 of the front pillar 2. The reinforcing member 21 extends to the outside of the opening 6 along the upper side of the edge 6a of the opening 6 from a pair of horizontal walls 26, 26 arranged in the vehicle vertical direction and one end of each horizontal wall 26 in the vehicle width direction. It has attachment parts 23 and 23, and the upper-and-lower wall part 24 which mutually connects the other end part of the width direction of each horizontal wall part 26, and extends in the vehicle up-and-down direction. A total of four bolt holes 28, 28 are formed in each mounting portion 26, and two bolt holes 29, 29 arranged in the center are formed in the upper and lower wall portions 24. Also in the reference example of FIG. 5, with the reinforcing member 21 inserted into the opening 6, the mounting portion 26 is on the front pillar inner 4, and the upper and lower wall portions 24 are on the front pillar outer 5, respectively. Is coupled through. The reinforcing member 21 shown in FIG. 5 is formed by pressing a metal plate such as a steel plate, but may be formed, for example, by casting a metal material or by injection molding of a resin material.

According to the side body structure of this reference example , the same effects as those of the first embodiment can be achieved with a simple configuration. That is, each of the lateral wall portions 26, 26 generates a sufficient resistance against a collision load input via the front wheel 10, and the vehicle longitudinal direction ends 26 a, 26 a of the lateral wall portion 26 penetrate the front pillar 2. Therefore, the bending rigidity of the front pillar 2 is increased, and the strength reduction of the front pillar 2 due to the formation of the opening 6 is suppressed.

(Second Embodiment)
Next, a second embodiment will be described. This embodiment is different from the first embodiment only in the configuration of the reinforcing member, and the reinforcing member 31 shown in FIGS. 6A and 6B is also inserted into the opening 6 of the front pillar as in the first embodiment. In this state, the front pillar inner 4 and the front pillar outer 5 are coupled. The reinforcing member 31 is formed by injection molding of a resin material. However, the material and the processing method are not limited, and may be formed by casting a metal material, for example. The reinforcing member 31 has a rectangular cross section and can be inserted into the opening 6 of the front pillar inner 4, and the opening 6 extends along the edge 6 a of the opening 6 from the cylindrical wall 32. It is a box-shaped body having a flange portion 33 extending outward and a bottom wall portion 34 that closes an end portion of the cylindrical wall portion 32 in the vehicle width direction. And the two reinforcement wall parts 35 and 35 extended so that space S2 of the cylindrical wall part 32 may be partitioned off to a vehicle up-down direction are provided.

  The cylindrical wall portion 32 of the reinforcing member 31 includes a pair of lateral wall portions 36 and 36 extending in the vehicle longitudinal direction and the vehicle width direction, and side wall portions 37 and 37 connecting the lateral wall portions 36 and 36. The reinforcing wall portions 35 are arranged in parallel with the lateral wall portion and are coupled to the side wall portion 37 and the bottom wall portion 34, respectively. A total of six bolt holes 38... 38 are formed in each of the four corners and the left and right sides of the flange portion 33, and two bolt holes 39 are formed in the bottom wall portion 34 between the two reinforcing wall portions 35. , 39 are formed. Also in the form shown in FIG. 6, with the reinforcing member 31 inserted into the opening 6, the flange 33 is on the front pillar inner 4, the bottom wall 34 is on the front pillar outer 5, and bolts and nuts (not shown), respectively. Is coupled through.

  According to the side body structure of this embodiment, each reinforcing wall 35 can generate a sufficient resistance against a collision load input via the front wheel 10, so that the front pillar is formed by forming the opening 6. 2 is further improved as compared with the case of the first embodiment.

( Third embodiment)
Next, a third embodiment will be described. This embodiment is implemented in combination with either the first or second embodiment, and is configured such that a predetermined connector provided at the terminal portion of the wire harness can be held by a reinforcing member. In addition, in the following description, although the code | symbol regarding the reinforcement member 11 which concerns on 1st Embodiment is used for convenience, it demonstrates, but application of this embodiment to another reinforcement member is not excluded. As shown in FIG. 7A, the connector holding mechanism 40 has a claw-like piece 44 formed so as to be fitted to the engaging portion 43 provided on the bottom surface of the connector 42 shown in FIG. ing. As is apparent from this figure, the claw-shaped piece 44 is formed by punching the horizontal wall portion 16 into a predetermined shape with one side 44a connected, and standing up so as to be bent at the one side 44a. The claw-like piece 44 may be provided on the lateral wall portion 16 by a joining means such as brazing. The connector 42 can be held by the reinforcing member 11 by inserting the engaging portion 43 of the connector 42 of FIG. Accordingly, the reinforcing member 11 can function as a so-called connector box without increasing the number of parts. The connector holding mechanism 40 may be provided on the side wall portion 17 in addition to the lateral wall portion 16, or may be provided on the reinforcing wall portion 35 of the second embodiment.

The connector holding mechanism 40 of this embodiment may be appropriately configured according to the shape of the connector to be held. For example, when the connector 45 has a claw-like piece 46 as shown in FIG. 8B, the connector holding mechanism 40 is used as the claw-like piece of the connector 46 as shown in FIG. An engaging portion 47 that fits 46 may be provided on the lateral wall portion 16. In this case, the engaging portion 47 may be provided on the lateral wall portion 16 by a joining means such as brazing, or may be configured by punching the lateral wall portion 16 like the claw-like piece 44 in FIG. . In addition, the connector holding mechanism 40 of FIG.7 (b) may also be provided in the side wall part 17, and may be provided in the reinforcement wall part 35 of 2nd Embodiment.

The present invention is not limited to the above embodiment, and can be implemented in various forms within the scope of the gist of the present invention. In FIG. 2, the reinforcing member 11 is coupled to the front pillar outer reinforcement 5 a, but it may be coupled directly to the front pillar outer 5. Further, in FIG. 6, the reinforcing member 3 1 is attached to the front pillar outer 5, if there is a front pillar outer reinforcement 5a, coupling the reinforcing member 3 1 to the front pillar outer reinforcement 5a Alternatively, it may be coupled to the front pillar outer 5 .

As another reference example of the present invention, as shown in FIG. 9, an opening 60 is provided in both the front pillar inner 4 and the front pillar outer 5 so as to penetrate the front pillar 2. The front pillar inner 4 and the front pillar outer 5 can be coupled by the reinforcing member 51 in a state where the reinforcing member 51 is inserted in the reinforcing member 51. In this case, it is good to provide the flange parts 53 and 53 in both the front pillar inner 4 side and the front pillar outer 5 side. When the front pillar outer 5 has a front pillar outer reinforcement, the reinforcing member 51 may be coupled to the front pillar outer reinforcement 5a.

  The surface of the lateral wall portion of the reinforcing member described above may be flat, for example, as shown in FIG. 10A, a rib 65 extending in the vehicle front-rear direction may be provided, or FIG. As shown, a bead 66 extending in the vehicle front-rear direction may be provided. When reinforcing processing of the rib 65, the bead 66, or the like is performed on the lateral wall portion of the reinforcing member, the strength of the lateral wall portion can be improved without substantially increasing the weight.

In the above description, the side body structure of the present invention is applied to the front pillar. However, the application target of the present invention is not limited to the front pillar, and an opening is provided in the vehicle vertical direction. As long as it is a hollow pillar that extends , the present invention can be applied to, for example, a center pillar.

The disassembled perspective view which showed the principal part of the side part vehicle body structure from the compartment side. The II sectional view taken on the line in the state which attached the reinforcement member of FIG. The elements on larger scale of the A section of FIG. Explanatory drawing explaining the effect of a side part vehicle body structure. The perspective view which showed the reinforcement member which concerns on the reference example of this invention . The reinforcement member which concerns on 2nd Embodiment is shown, (a) is a perspective view of a reinforcement member, (b) is a front view of a reinforcement member. The connector holding mechanism which concerns on 3rd Embodiment is shown, (a) is the perspective view which showed the form with which the nail | claw-shaped piece was provided, (b) is the perspective view which showed the form with which the engaging part was provided. . FIGS. 7A and 7B illustrate a connector held by the connector holding mechanism shown in FIG. 7. FIG. 7A is a perspective view showing the connector held in FIG. 7A, and FIG. 7B is held in FIG. It is the perspective view which showed the connector made. Sectional drawing which showed the other reference example of this invention. The form of the reinforcement process of a horizontal wall part is illustrated, (a) is sectional drawing which showed the form which provided the rib, (b) is sectional drawing which showed the form which provided the bead.

Explanation of symbols

2 Front pillar ( pillar )
4 Front pillar inner ( pillar inner )
5 front pillar outer (pillar outer)
6,60 opening 6a edges 11,21,31,51 reinforcing member 16, 26 and 36 the horizontal wall portion 12, 32 the cylindrical wall portion 13, 33 flange portion 14, 34 the bottom wall
3 5 Reinforcing wall 40 Connector holding mechanism 42, 45 Connector (predetermined connector)
S2 Space in the cylindrical wall

Claims (4)

An opening portion is formed is joined to the pillar inner state opposite to the pillar inner and the pillar inner located inside in the vehicle width direction and a pillar outer panel positioned in the vehicle width direction outer side, the opening in the vehicle width direction inside a hollow pillar being arranged so as to direct the side of the vehicle Rutotomoni, coupled to the rocker extending in the longitudinal direction of the vehicle extending in the vehicle vertical direction,
A cylindrical wall portion including a lateral wall portion extending so as to connect the pillar inner and the pillar outer with a thickness direction directed in a vertical direction of the vehicle, and an edge of the opening portion from the cylindrical wall portion; And a bottom wall portion that closes an outer end portion of the cylindrical wall portion in the vehicle width direction and is inserted into the opening portion of the pillar. together with the flange portion is coupled to the pillar inner state, by the bottom wall portion is coupled to the pillar outer panel, and the reinforcing member coupling the said inner pillar pillar outer,
A side body structure of a vehicle characterized by comprising: 2. The vehicle side body structure according to claim 1 , wherein the reinforcing member has a reinforcing wall portion extending so as to partition the space of the cylindrical wall portion in the vehicle vertical direction. Side vehicle-body structure of a vehicle according to claim 1 or 2, characterized in that said pillar is provided as a front pillar of the vehicle. The side body structure of a vehicle according to any one of claims 1 to 3 , wherein the reinforcing member has a connector holding mechanism capable of holding and releasing a predetermined connector.

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