JPS62103262A - Vehicle body structure for automobile - Google Patents

Abstract

PURPOSE:To enhance the rigidity of rear cab side sections in an open-top vehicle, by connecting the vertical section of a center frame coupled to the center section of a front header with belt line reinforcements in the upper sections of rear cab sides, through the intermediary of coupling members. CONSTITUTION:A front header 4 connecting between the upper ends of right and left center front pillars 3, 3 in an open-top vehicle, is connected with a floor panel 11 through the intermediary of an inverted L-like center frame 5. Further, belt line reinforcements 23 extending longitudinally of the vehicle body are disposed in the upper sections of inside of rear cab sides 18 constituting the side walls of rear section of the vehicle body. A vertical section 5b of the center frame 5 is connected to the belt line reinforcements 23 through the intermediary of rectangular cross-sectioned shape coupling members 24 extending widthwise of the vehicle body, and therefore, it is possible to enhance the rigidity of the rear cab side 8 sections, particularly widthwise of the vehicle body.

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial Application Field) The present invention relates to the body structure of an automobile, and particularly to an open-top type automobile in which the upper part of the passenger compartment is open.

(Prior Art) Conventionally, as an A-Puntotsubu type automobile, for example, as disclosed in Japanese Patent Application Laid-Open No. 59-209915,
It is generally well known that the upper part of the cabin is covered with a cover member such as a hood, and if necessary, this cover member can be removed to open the upper part of the conductor to a full oven condition. .

(Problems that will be solved and overturned by the invention) However, in such open-top cars, the upper part of the cabin is open, so the rigidity of the car body, especially around the front window and the rear door. There was a problem that the rigidity around the 1-noid was low. Conventionally, this has been countered by placing the side sills, cross members, etc. located on both sides of the left side of the floor section higher than in the case of non-open-top vehicles. The reality is that this has not yet been achieved.

The present invention has been made in view of these points, and its purpose is to appropriately provide a strength member on the upper side of the middle chamber of the open structure as described above, so as to sufficiently increase the rigidity of the vehicle body. It is meant to be.

(Means for Solving the Problems) In order to achieve the above object, the solving means of the present invention is arranged at the upper end of the front window in an open-top type automatic car in which the upper part of the conductor is opened. A center consisting of a front header that connects the front pillars, a horizontal part whose front end is connected to the center of the front header and extends rearward, and a vertical part which extends downward from the rear end of the horizontal part and is connected to the floor panel. A frame, a belt line reinforcement extending in the longitudinal direction of the vehicle body at the upper part of the rear cab side constituting the rear side wall of the vehicle body, and a connecting member connecting the vertical part of the center frame and the belt line reinforcement. The structure is such that it is equipped with

(Function) With the above configuration, in the present invention, the left and right front pillars are connected by the front header located at the upper end of the front 1 window, and the center part of the front header is separated from the horizontal part and the vertical part. Since the front header is connected to the floor panel by the center frame, the rigidity around the front window and the rigidity of the floor panel can be sufficiently increased by the connection structure of the front header and the center frame.

Furthermore, since the vertical part of the center frame and the belt line reinforcement extending in the longitudinal direction of the vehicle body at the upper part of the rear cab side are connected by a connecting member extending in the vehicle width direction, This will improve the rigidity of the vehicle, especially the rigidity in the vehicle width direction.

In addition, the center pillar located at the front end of the rear cab side is joined to the front end of the strong bell 1 to line reinforcement, which improves the rigidity of the center pillar and prevents it from coming in from the outside. This makes it possible to prevent deformation such as inward collapse of the center pillar due to impact.

(Example) Embodiments of the present invention will be described below based on the drawings.

FIG. 1 shows the overall configuration of the body structure of an automobile according to an embodiment of the present invention, in which the entire upper part of the conductor is covered with a cover member (not shown) such as a hood, and as necessary. It is an open-top type vehicle that allows the upper part of the vehicle interior to be fully opened by removing this cover member.

In Fig. 1, 1 is the vehicle body, 2 is the front panel 1 to the window,
3 is a pair of right and left fronts 1 to pillars that support the left and right ends of the front window 2; 4 is a front header disposed at the upper end of the front window 2; Each ■ is connected to the upper end of the above left and right front pillars 3.
3, 3 are connected to each other, and the upper end portion of the front window 2 is supported. Further, 5 is a center frame, and the center frame 5 includes a horizontal portion 5a extending in the longitudinal direction of the vehicle body and having a front end connected to the center portion of the front header 4, and a horizontal portion 5a extending downward from the rear end of the horizontal portion 5a. The vertical portion 5b extends and the lower end portion is connected to the floor panel 11 constituting the floor portion of the Φ body 1, forming a substantially straight-line shape.

The floor panel 11 also includes a front floor panel 13 in which a floor tunnel portion 12 is formed in the center that bulges upward and extends in the longitudinal direction of the vehicle body, and a front floor panel 13 is located at a position behind and one step higher than the front floor panel 13. The rear floor panel 14 has an inclined portion formed at its front end, and a first cross member 16 extending in the vehicle width direction at a location a predetermined distance 1lIlt rearward from the inclined portion. .17 is provided with a stake, and the first. The second cross members 16 and 17 each form a closed cross section with the carrier floor panel 14.

Further, reference numeral 18 is a V-cab side that constitutes a side wall at the rear of the vehicle body, and the rear cab side 18 has a blank section formed by a fender 19 disposed on the outside of the vehicle body and a cab side panel 20 disposed on the inside of the vehicle interior. It is formed in the shape of Further, the rear cab side 18 has a center pillar 2 extending upwardly at the left and right sides of the floor panel 11 at its front end.
1 is formed, and the side ends of a rear deck 22 having a rectangular frame shape in cross section and extending in the vehicle width direction above the A7 floor panel 14 are joined to the cab side panel 20 at the rear end. The cab sides 18 are connected to each other.

The connection structure between the front header 4 and the front end of the horizontal portion 5a of the center frame 5 is shown in FIGS.
Details are shown in the figure. In FIGS. 2 to 5, the front header 4 is formed into a closed cross-sectional shape by an upper panel 41 and a lower panel 42, while the horizontal portion 5a of the center frame 5 is formed by an upper frame 51 and a lower frame 52.
It is formed into a rectangular closed cross-section shape. The front end of the horizontal portion 5a of the center frame 5 is set such that the height of its rectangular closed cross section decreases toward the front, and is formed on both left and right sides of the frame upper 51 to protrude in the P direction. The reinforcing bead portion 53.53 is on the right. By applying the 71 norm upper 51 of the center frame 5 to the front header 42 of the front header 4 (and joining them via the groove 54, the front end of the horizontal portion 5a of the center frame 5 is connected to the front header 4. 43 is a rain rail formed at the rear end of the front header 4, and is covered by a cover member up to the upper position of the rain rail 43. Also, 55 is located on the inside of the vehicle. This is a trim made up of 7 pink frames and 5 frames.

On the other hand, the connection structure between the core panel 11 and the vertical portion 5b of the center frame 5 is shown in detail in FIG. 6d3 and FIG. 7. J3 in FIGS. 6, 15 and 7, the vertical portion 5b of the center frame 5 is connected to the frame fronts 1 to 5.
6 and the frame rear 57), and at the lower part of the vertical part 5b, the length of this closed section in the longitudinal direction of the vehicle body is The lower end of the vertical part 5b of the inner frame 5 straddles the floor tunnel part 12 of the front floor panel 13 in the narrow width direction on the front side, and also crosses the first cross of the rear floor panel 14 on the 1(side). member 1
6 are connected and fixed to the floor panel 11 while straddling the front and rear directions. Note that 58 is provided inside the lower end of the vertical portion 5b of the center frame 5 so as to partition its closed section.
The first reinforcement on the floor panel 14, 59 It is a reinforcement installed between the second cross member upper 16 and 17 and extending in the front and back direction of the small body.

In the upper part of the A7 cab side 18 mentioned above, as shown in Fig. 8, Fig. 9 J3, and Fig. 10,
A belt line 4-smen 1-23 is provided that forms a closed cross section with the cab side panel 20 that constitutes the conductor's inner wall of the cab side 18 and extends in the longitudinal direction of the vehicle body. Further, the vertical portion 51) of the pink frame 115 is cut in cross section with a 0-shaped frame 24 on both sides.
24 extends in the vehicle width direction above the floor panel 11.
One end of each connecting member 24 is joined to the side surface of the vertical portion 5b of the center frame 5, and the other end forms a closed cross section with the belt line lay shift 4-smen l-23. J3 is joined to the 20-width interior side surface, and the vertical part 5b of the center frame 5 and the bell! - It is designed to connect with the line reinforcement 23. The connecting member 24 also includes a cylindrical glue 1 for storing a cover member 25 covering one side of the trunk compartment.
- the tractor 26 is mounted by means of brackets 27°27;

In addition, in FIG. 1, there is J'3, and 28 is the center frame 5.
To the reinforcement member 1 connecting the vertical part 51) and the center pillar 21), 29 is the second floor panel 11.
A rigid member 30 extending in the longitudinal direction of the vehicle body at both ends of the
is a Zydo sill extending in the rearward direction of the vehicle body corresponding to the two Zyde members.

Therefore, in the above embodiment, the left and right front pillars 3.3 are connected by the lug 4 to the front I-, which has a closed cross section and is located at the front window 2'', and the front pillar 3.3 is connected to the front I- by the lug 4. The center part of the front header 4 and the center frame 5 are connected to the floor panel 11 by a substantially inverted center frame 5 consisting of a horizontal part 5a and a vertical part 5b each having a closed cross section.
Due to the strong connection structure, the rigidity of these strength members can significantly increase the rigidity of the vehicle body, especially the rigidity around the front 1 and windshield 2, and the rigidity of the floor panel 11. It is very effective in ensuring safety.

Furthermore, one side of the connecting member 24 is attached to the center frame 5.
The other side is connected to the belt line reinforcement 23 of the rear cab side 18, and the vertical portion 5b of the center frame 5 and ψ cab side 18 are connected in the vehicle width direction. The rigidity around the rear rear rib side 18, especially the rigidity in the vehicle width direction, can be greatly increased.

Further, the left and right rear cab sides 18.18 are connected to each other by the connecting member 24 in front of the belt line reinforcement 23 and by the rear deck extending in the vehicle width direction at the rear, forming a loop-shaped frame structure. As a result, the rigidity around the rear cabtide 18 is further improved.

In addition, the center pillar 23 located at the front end of the rear cab side 18 is joined to the front end of the strong belt line reinforcement 23, so the rigidity of the center pillar 21 is improved and It is possible to prevent deformation such as inward collapse of the center pillar 21 due to WJ impact.

In the above embodiment, the connection structure between the front header 4 and the front end of the horizontal part 5a of the center frame 5 and the connection structure between the lower end of the vertical part 5b of the center frame 5 and the floor panel 11 are connected by welding. Although it is configured,
Of course, the connection may be made by bolts instead of welding. Further, in this case, bolt insertion holes may be provided on a plurality of sides in the longitudinal direction of the vehicle body, so that the arrangement position of the center frame can be moved and adjusted by 1FII in the longitudinal direction of the vehicle body.

(Effects of the Invention) As described above, according to the open-top automobile body structure of the present invention, the left and right front pillars are connected to the front 1 header located at the upper end of the front window. Since the central part of the front header is connected to the floor panel by a hinter frame consisting of a horizontal part and a vertical part, the rigidity around the front window and the rigidity of the floor panel is greatly increased by the connection structure of the front header and center frame. be able to.

Roughly speaking, since the vertical part of the center frame and the belt line reinforcement extending in the longitudinal direction at the top of the V-bridge are connected by a connecting member extending in the vehicle width direction, the rigidity around the rear cab side is improved. In particular, the rigidity in the vehicle width direction is significantly improved. In addition, since the belt line reinforcement mentioned above is connected to the center pillar at its front end, the rigidity of the center pillar is improved, and deformation such as inward collapse of the center pillar can be prevented in response to external impact. .

[Brief explanation of drawings]

The drawings show an embodiment of the present invention, and FIG. 1 is a perspective view showing the overall structure of the vehicle body structure, and FIG. 2 is a longitudinal side view showing the connection structure between the front header and the front end of the horizontal portion of the center frame. Figure 3 is a perspective view of the front end of the horizontal part of the center frame, Figures 4 and 5 are rv - rv of Figure 2.
6 is a perspective view showing the connection structure between the vertical lower end of the center frame and the floor panel, and FIG. 7 is an enlarged sectional view taken along the line ■-■ in FIG. 6. be. Figure 8 is a perspective view showing the rear part of the vehicle body, and Figure 9 is a perspective view showing the rear part of the vehicle body.
FIG. 10 is an enlarged cross-sectional view taken along line IX--IX in the figure, and FIG. 10 is a cross-sectional view taken along line X-XI in FIG. 2...Front window, 3...Front pillar,
4...Front header, 5...Center frame, 5
b... Vertical part, 11... Floor panel, 18...
Rear cab side, 23... Belt line reinforcement, 24... Connection member.

Claims (1)

[Claims] (1) In an open-top automobile in which the upper part of the cabin is open, there is a front header that is arranged at the upper end of the front window and connects the left and right front pillars, and a front header that extends in the longitudinal direction of the vehicle body and whose front end is the center of the front header. A center frame consisting of a horizontal part connected to the horizontal part, a vertical part extending downward from the rear end of the horizontal part and having its lower end connected to the floor panel, and the upper part of the rear cab side that forms the side wall at the rear of the car body in the longitudinal direction 1. A vehicle body structure for an automobile, comprising: a belt line reinforcement that extends to the center frame; and a connecting member that connects the vertical portion of the center frame and the belt line reinforcement.