JPH0532246U - Side structure of car body - Google Patents

Abstract

(57) [Summary] [Purpose] To improve the rigidity and reliability of the striker mounting part and to improve the appearance quality of the door opening. [Structure] An inner panel 10, an outer panel 20 in which an end of a bent portion 21 is fixed to an end of the inner panel 10,
A pillar reinforcement having a substantially inverted V-shaped cross-sectional shape, arranged between the inner panel 10 and the outer panel 20 and having one end fixed to the end of the inner panel 10 and the other end fixed to the step 12 of the inner panel 10. And a flat base portion 41 having a substantially U-shaped cross-sectional shape and fixed to the bent portion 21 in which the striker S is disposed, and the inner end face flange portion 42 is bent to fold the pillar reinforcement 30. The bead portion 31 and the inner panel 10 formed near the curved portion
The striking reinforcement 40 is bolted together to the bead portion 11 formed on the.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a side structure of a vehicle body in a door lock striker mounting portion.

[0002]

[Prior Art]

 Conventionally, it is difficult to make a closed cross section of the pillar part in a one-box car without a door at the rear part of the front door lock striker mounting part of the car, and the side part structure of the vehicle body is as shown in Figs. There is something.

In the first conventional example shown in FIG. 5, a strike reinforcement SR is spot-welded to a bent portion BO of an outer panel OP on which a striker S is arranged.

The second conventional example shown in FIG. 6 is different from the first conventional example in that the outer end flange portion OF of the strike reinforcement reinforcement SR is attached to the shoulder portion SH of the bent portion BO of the outer panel OP by a structural adhesive. It is fixed.

The third conventional example shown in FIG. 7 is different from the first conventional example in that the inner end face flange portion IF of the strike reinforcement reinforcement SR is extended and the outer panel OP, the pillar reinforcement PR and the inner panel IP are arranged. It is fixed integrally with the opening end O which is one end.

The fourth conventional example shown in FIG. 8 is different from the third conventional example in the corresponding portion M of the bent portion BO of the outer panel OP at approximately the center of the extended inner end flange portion IF of the strike reinforcement layer SR. On the other hand, it is further spot welded.

[0007]

[Problems to be solved by the device]

 In the first conventional example shown in FIG. 5, since the striker reinforcement SR is provided as a back plate on the bent portion BO of the outer panel OP where the striker S is provided and spot welding is performed, the rigidity is not sufficient. There was a problem.

In the second conventional example shown in FIG. 6, the outer end surface flange portion OF of the strike reinforcement SR is adhered to the shoulder portion SH, so that the rigidity is increased as compared with the first conventional example, which is effective. There was a problem that the management to secure the reliability of the was difficult.

In the third conventional example shown in FIG. 7, since the inner end surface flange portion IF of the strike reinforcement SR is fixed to the opening end O, the rigidity is slightly increased, but the effect is small.

In the fourth conventional example shown in FIG. 8, since the center portion of the extended inner side end face flange portion IF of the strike reinforcement SR is also spot-welded to the bent portion BO of the outer panel OP, the effect is large and the reliability is high. Although it is expensive, there is a problem that the appearance quality is inferior due to the spot welding indentation at the door opening.

Therefore, the present inventors have proposed that the inner end face flange portion of the strike reinforcement is inside the outer panel, and the pillar reinforcement having relatively high rigidity, and if necessary, the inner panel is also fixed, the rigidity of the striker mounting portion can be improved. The aim was to improve the quality and reliability of the door opening, and to reduce the appearance quality of the door opening.

[0012]

[Means for Solving the Problems]

 The side structure of the vehicle body of the present invention (the first invention according to claim 1) is, as shown in FIG. 1, an inner panel 1 and a bent portion 2B in which a striker S is arranged to form a door opening 2O. Of the outer panel 2 having the end portion 2A of the inner panel 1 fixed to the end portion 1A of the inner panel 1, and having an approximately inverted V-shaped cross-sectional shape and disposed between the inner panel 1 and the outer panel 2 and having one end 3A at the inner panel 1 And a pillar reinforcement 3 fixed to the fixing portions 1A, 2A of the outer panel and the other end fixed to the inner panel 1, and a flat base portion 4B having a substantially U-shaped cross section, and a striker S is provided. In addition to being fixed to the bent portion 2B, the inner end face flange portion 4A is composed of a strike reinforcement 4 which is bolted near the bent portion of the pillar reinforcement 3.

A side part structure of a vehicle body of the present invention (the second invention according to claim 2) is a bead portion in which the inner end surface flange portion of the strike reinforcement of the first invention is formed in the vicinity of the bent portion of the pillar reinforcement. Also, the bead formed on the inner panel is bolted together.

[0014]

[Action]

 In the side structure of the vehicle body of the first invention having the above structure, since the inner end face flange portion 4A of the strike reinforcement 4 is fixed near the bent portion of the pillar reinforcement 3, the force by opening and closing the door is input from the striker S. Not only the outer panel 2, but also the pillar reinforcement 3 and the inner reinforcement 1 through the strike reinforcement 4 and the pillar reinforcement 3, respectively, the load shared by the outer panel 2 is reduced.

In the side part structure of the vehicle body of the second invention having the above structure, since the inner end surface flange of the strike reinforcement is fixed to the bead formed on the pillar reinforcement and the inner panel with the bolt, the force by opening and closing the door is increased. Are input from the striker and distributed to the pillar reinforcement and the inner panel through the strike reinforcement as well as the outer panel, so that the shared load of the outer panel is reduced more effectively than in the first invention.

[0016]

【effect】

 The side structure of the vehicle body of the first invention having the above-described configuration and operation has a structure in which the inner end flange 4A of the reinforcement 4 of the striker S is fixed near the bent portion of the pillar reinforcement 3 having a relatively high rigidity. This has the effects of improving the rigidity and reliability of the striker mounting portion and improving the appearance of the door opening 20.

In the side part structure of the vehicle body of the second invention having the above-mentioned structure and operation, the inner end surface flange part of the reinforcement of the striker is firmly fixed to the bead part formed on the pillar reinforcement and the inner panel by the bolt. Therefore, it is possible to more effectively improve the rigidity and reliability of the striker mounting portion and to improve the appearance of the door opening.

[0018]

【Example】

 Next, the side structure of the vehicle body, which is an embodiment of the first and second inventions, will be described with reference to FIGS. 2 to 4.

(Structure of Embodiment) As shown in FIGS. 2 and 3, the side structure of the vehicle body of this embodiment has the above-mentioned first and second parts in the striker mounting portion of the front door in a one-box vehicle having no rear door The second device is applied.

The side structure of the vehicle body of the present embodiment is an inner panel 10 that forms an inner wall of the vehicle body and that has a bead portion 11, and a door that constitutes an outer wall of the vehicle body and that has a striker S on the bent portion 21. An outer panel 20 having an opening 22 and a pillar reinforcement 30 having a bead portion 31 and having a substantially inverted V-shaped cross section and having a high rigidity and interposed between the inner panel 10 and the outer panel 20. The base portion 41 is fixed to the bent portion 21 in which the striker S is arranged, and the inner end surface flange portion 42 is composed of the strike reinforcement 40 fixed to the inner panel 10 and the pillar reinforcement 30.

In the outer panel 20, an outer wall portion 23 forming an outer wall of the vehicle body is bent at a portion facing the front door FD to form a stepwise bent portion 21 having approximately three steps, and at the bent portion 21, A striker S engaging with the front door FD is fixed to a central vertical portion in FIG. 2 through an I-shaped retainer 23 having two upper and lower weld nuts shown in FIG. 4, and will be described later at the left end in FIG. It is a quarter outer panel that is spot-welded and integrated with the inner panel 10 and others.

The inner panel 10 is spot-welded to the outer panel 20 at the left end in FIG. 2, and has a trapezoidal bead portion 11 to which the strike reinforcement 40 is fixed. It is a quarter inner panel that is formed in a shape that approaches the outer panel 20 in a stepwise manner.

The pillar reinforcement 30 has a substantially rigid V-shaped cross section with high rigidity, and the right end in FIG. 2 is spot-welded to the step portion 12 of the inner panel 10 and faces the bead portion 11 of the inner panel 10. Then, an inverted trapezoidal bead portion 31 is formed, and the left end in FIG. 2 is spot-welded together with the inner panel 10 and the outer panel 20.

The strike reinforcement 40 has a substantially U-shaped cross section, and a flat base portion 41 at the upper portion is a bent portion of the outer panel 20 on which the striker S is arranged as shown in FIG. 21 is attached to the vertical portion of the striker S by a retainer 23 surrounding the retainer 23 for fixing the striker S at two upper and lower positions in FIG. As a result, it is firmly fixed to the outer panel 20 together with the striker S.

As shown in FIG. 4, the retainer 23 has an I-shape and a central portion with a constriction even if the positional relationship between the bolt of the striker S and the holes of the outer panel 20 and the strike reinforcement 40 is slightly deviated. Therefore, the parts to which the weld nuts are fixed at both ends can be easily deformed and their positions can be changed, so that the bolts for fixing the striker can be easily attached and fixed.

The inner end surface flange portion 42 of the strike reinforcement 40 is located at two upper and lower positions in the bead portions 11 and 31 formed on the inner panel 10 and the pillar reinforcement 30 pre-spot-welded as shown in FIG. 2) Only one in the lower part of the middle is shown), and it is firmly fixed by a bolt and a weld nut.

A weather strip having an O-shaped contact portion 51 and a U-shaped crown portion 52 that are pressed against the front door FD at the left end in FIG. 2 of the outer panel 20, the inner panel 10, and the pillar reinforcement 30. 50 is crowned.

The interior board 60 is mounted in contact with the weather strip 50 and the inner panel 10.

(Operation of Embodiment) In the side structure of the vehicle body of this embodiment having the above-described structure, the strike reinforcement 40 is spot welded to the bent portion 21 of the outer panel 20 where the striker S is arranged, and the bolt nut is attached. The flat base portion 41 is firmly fixed to the inner end face flange portion 42 to the bead portions 11 and 31 formed on the inner panel 10 and the pillar reinforcement 30 by bolts and weld nuts. And the force by opening and closing the door FD is distributed to the outer panel 20, the strike reinforcement 40, the pillar reinforcement 30, and the inner panel 10 via the striker S.

(Effects of Embodiment) In the side part structure of the vehicle body of this embodiment, the strike reinforcement 40 is spot welded to the bent portion 21 of the outer panel 20 where the striker S is arranged, and the base portion 41 is formed by the weld nut. The inner end face flange portion 42 is firmly fixed to the bead portions 11 and 31 formed on the inner panel 10 and the pillar reinforcement 30 by bolts to increase the rigidity, and the force by opening and closing the door FD is Since the outer panel 20, the striker reinforcement 40, the pillar reinforcement 30 and the inner panel 10 are respectively dispersed via the through-holes, the shared load of the outer panel 20 is reduced as compared with the conventional device, and the outer panel 20 is prevented from being distorted. Prevent and improve reliability Has the effect of

Further, the present embodiment controls the movement of the striker portion when the door is opened and closed for the above-mentioned reason, and therefore has the effect of improving the feeling when the door is opened and closed.

Further, in this embodiment, since the inner panel 10 and the box cross section BX (shown by hatching in FIG. 2) are formed through the highly rigid strike reinforcement 40, the strike reinforcement 40 is opened when the door FD is opened. It is only necessary to consider the pulling force as the force acting on, and conversely, when the door FD is closed, it is sufficient to consider only the compressive force.

Further, in the present embodiment, the strike reinforcement 40 is spot-welded to the bent portion 21 of the outer panel 20 to which the striker S is fixed at the base portion 41 thereof, and the inner space of the outer panel 20 is formed at the inner end flange portion 42. Since it is fixed to the bead portions 11 and 31 formed on the inner panel 10 and the pillar reinforcement 30, the indentation of spot welding does not appear in the door opening portion of the outer panel 20, and the appearance quality is improved.

The above-mentioned embodiment is shown as a preferred example for the purpose of explanation, and the present invention is not limited to them. The spirit of the present invention described in the scope of claims for utility model Modifications and additions are possible as long as they do not conflict.

In FIG. 1 used for explaining the present invention, an example of connecting the strike reinforcement and the pillar reinforcement by bolts is shown, but in this case, a work space that enables bolting work to the inner panel. It is necessary to form an opening to secure the

[Brief description of drawings]

FIG. 1 is a sectional view showing a side structure of a vehicle body of the first invention.

FIG. 2 is a sectional view showing a side structure of a vehicle body according to an embodiment of the present invention.

FIG. 3 is a cutaway perspective view showing a side part structure of the vehicle body of the embodiment.

FIG. 4 is a partially cutaway perspective view showing a mounting structure for a strike reinforcement of an embodiment.

FIG. 5 is a cross-sectional view showing an example of a conventional side part structure of a vehicle body.

FIG. 6 is a cross-sectional view showing another example of the conventional side part structure of the vehicle body.

FIG. 7 is a cross-sectional view showing another example of the conventional side part structure of the vehicle body.

FIG. 8 is a cross-sectional view showing another example of the conventional side part structure of the vehicle body.

[Explanation of symbols]

 1, 10 Inner panel 2, 20 Outer panel 3, 30 Pillar reinforcement 4,40 Striker reinforcement 11, 31 Bead part 23 Retainer 43 Locking tool FD front door 50 Weatherstrip 60 Interior board

Claims (2)

[Scope of utility model registration request] 1. An inner panel, an outer panel in which a striker is disposed and an end of a bent portion forming a door opening is fixed to an end of the inner panel, and an inner panel having a substantially inverted V-shaped cross section. A pillar reinforcement having one end fixed to the fixing portion of the inner panel and the outer panel and the other end fixed to the inner panel, the pillar reinforcement having a substantially U-shaped cross section and a flat shape. A side structure of a vehicle body, which comprises a base portion fixed to a bent portion where a striker is arranged, and a strike reinforcement which is bolted to an inner end flange portion in the vicinity of the bent portion of a pillar reinforcement. 2. The side of the vehicle body in which the inner end flange portion of the strike reinforcement of claim 1 is bolted together to a bead portion formed in the vicinity of a bent portion of a pillar reinforcement and a bead portion formed to an inner panel. Part structure.