JP4233506B2 - Automotive instrument panel mounting device - Google Patents

Description

  The present invention relates to an instrument panel mounting device for an automobile in which a mounting member fixed to an instrument panel is connected to a cowl top of a vehicle body and the instrument panel is mounted on the cowl top.

  In general automobiles, an instrument panel, also called a dashboard, is arranged in the front part of the passenger compartment (see, for example, Patent Document 1), and the instrument panel can be attached to the vehicle body by an attachment device. Conventionally known. FIG. 7 is a cross-sectional view showing an instrument panel attached to a vehicle body by a conventional attachment device. In FIG. 7, reference numeral 1A denotes a windshield that divides the front portion of the passenger compartment, and 2A denotes an instrument panel disposed in front of the driver's seat and the passenger seat. Reference numeral 3A denotes a cowl top extending substantially in the width direction of the vehicle body 4A. The cowl top 3A includes an outer panel 5A and an inner panel 6A, and the flange portion 7A is overlapped and spot-welded. An arrow Fr indicates the forward direction of the automobile.

  The instrument panel 2A has a protruding portion 11A formed in a cylindrical shape, and a base end portion 14A of the attachment member 12A is fixed to the protruding portion 11A by a tapping screw 16A. On the other hand, a cup-shaped locking member 22A is fixed to the inner panel 6A of the cowl top 3A. A distal end portion 23A of the attachment member 12A is inserted into the locking member 22A, and an engaging portion 24A of the distal end portion 23A is formed. It engages with a mating engagement member 25A formed on the inner peripheral surface of the locking member 22A.

  As described above, in the conventional instrument panel mounting device, the mounting member 12A fixed to the instrument panel 2A is connected to the cowl top 3A of the vehicle body 4A via the locking member 22A, and the instrument panel 2A is connected. It is configured to be attached to the cowl top 3A. By such an instrument panel mounting device, the instrument panel 2A can be assembled to the vehicle body 4A in a stable state.

  Here, when an accident occurs, the human body hits the outer surface of the windshield 1A as indicated by an arrow X in FIG. 7, and the windshield 1A is bent by the impact, thereby applying an external force to the instrument panel 2A. And At this time, if the mounting member 12A comes out of the locking member 22A and the instrument panel 2A is greatly deformed, energy can be absorbed efficiently and the impact applied to the human body can be kept small. However, according to the instrument panel mounting apparatus shown in FIG. 7, when the human body hits the windshield 1A, the mounting member 12A does not come out of the locking member 22A depending on the direction of the external force applied to the windshield 1A. In addition, the instrument panel 2A is only slightly deformed as indicated by the phantom line in FIG. 7, and there is a possibility that energy cannot be efficiently absorbed.

Japanese Utility Model Publication No. 6-20149

  The objective of this invention is providing the instrument panel mounting apparatus of the motor vehicle which an instrument panel can deform | transform greatly when a human body hits a windshield.

  In order to achieve the above object, the present invention provides a vehicle instrument panel mounting apparatus of the type described at the beginning, comprising a clip fitted to a flange portion of the cowl top, and the mounting member includes the clip. A bifurcated portion for releasably connecting the mounting member to the cowl top with the flange portion of the cowl top interposed therebetween, and the bifurcated portions being vertically movable with the instrument panel attached to the cowl top. The cowl top is made of a metal plate, the bifurcated portion is made of resin, and the clip has an instrument panel. A pair of guide portions are provided integrally to guide the instrument panel when the is moved forward and mounted on the vehicle body. Includes a presser portion for pressing a dash silencer disposed adjacent to the cowl top, and the pair of guide portions are disposed at a distance from each other in the vehicle width direction, and the guide surface of the guide portion Is inclined so that the rear end is lower than the front end, and when the instrument panel is moved forward and mounted on the vehicle body, the instrument panel has a tip surface that guides the guide surface of the guide portion. Guided while sliding from the bottom to the top, a plate piece integral with the guide portion and the clip is provided on the lower side of the guide portion and the clip. The second leg portion on the side is gradually narrowed toward the front end thereof, and when the instrument panel is moved forward and attached to the vehicle body, the second leg portion is a portion of the pair of guide portions. To enter the proposed instrument panel mounting apparatus of an automobile according to claim.

  According to the present invention, when the human body hits the windshield, the attachment member is easily detached from the cowl top, and the protection of the pedestrian can be further ensured.

  Embodiments of the present invention will be described below in detail with reference to the drawings.

  FIG. 1 is a perspective view showing a front part of a passenger compartment of an automobile, and FIG. 2 is an enlarged sectional view taken along line II-II in FIG. In these drawings, the symbol Fr indicates the forward direction of the automobile, and the symbol W in FIG. 1 indicates the width direction of the vehicle body.

  As shown in FIGS. 1 and 2, the front portion of the passenger compartment R is partitioned by a windshield 1 made of, for example, glass, and the driver seat and the passenger seat (not shown) disposed in the passenger compartment are in front of the instrument seat. Is provided. 2 indicates a cowl top which is one component of the vehicle body 4. The cowl top 3 includes an outer panel 5 and an inner panel 6, and these panels 5 and 6 are formed of metal plates. Yes. Further, the flange portions 7 of these panels 5 and 6 are fixed by spot welding in a state where they are overlapped with each other. The cowl top 3 extends substantially in the width direction W (FIG. 1) of the vehicle body 4.

  As shown in FIG. 2, the instrument panel 2 shown as an example in the drawing includes a base material 8 made of a hard resin, a foam layer 9 laminated on the base material 8, and the foam layer 9. It is composed of a covering skin 10. The instrument panel 2 is assembled to the vehicle body 4 by the instrument panel mounting device as follows.

  In FIG. 2, as shown in FIG. 3, a cylindrical projecting portion 11 is integrally projected on the base material 8 of the instrument panel 2. On the other hand, the mounting member 12 of the instrument panel mounting apparatus has a bifurcated portion 13 having a first leg portion 26 and a second leg portion 27, and a proximal end portion 14 integrated with the bifurcated portion 13. Both the mounting member 12 and the above-described protrusion 11 are made of resin. A tapping screw 16 is screwed into the mounting hole 15 formed in the base end portion 14 of the mounting member 12 and the center hole of the protruding portion 11, whereby the mounting member 12 is fixed to the protruding portion 11 of the instrument panel 2. ing.

  Further, the flange portion 7 of the cowl top 3 projects rearward in the direction opposite to the forward direction Fr of the automobile, and a resin clip 17 is fitted to the flange portion 7 so that the bifurcated portion of the mounting member 12 is fitted. 13 is sandwiching the flange portion 7 of the cowl top 3 through the clip 17. At this time, the bifurcated portion 13 is pressed against the clip 17 due to its elasticity, but the bifurcated portion 13 can be detached from the clip 17 by pulling the attachment member 12 to the right in FIG. Further, the clip 17 can be omitted, and the bifurcated portion 13 of the attachment member 12 can be directly fitted to the flange portion 7 of the cowl top 3.

  As described above, the instrument panel mounting device of this example also connects the mounting member 12 fixed to the instrument panel 2 to the cowl top 3 of the vehicle body 4 and mounts the instrument panel 2 to the cowl top 3. However, unlike the conventional attachment device, the attachment member 12 sandwiches the flange portion 7 of the cowl top 3 and has a bifurcated portion 13 for releasably connecting the attachment member 12 to the cowl top 3. Have. FIG. 2 shows one mounting member 12 and one clip 17, but the instrument panel 2 is usually attached to the vehicle body 4 by a plurality of mounting members 12 and clips 17, for example. It is done. As described above, the instrument panel mounting device includes the clip 17 fitted to the flange portion 7 of the cowl top 3 in addition to the mounting member 12, and the mounting member 12 is connected to the cowl top via the clip 17. 3 has a bifurcated portion 13 for releasably connecting the mounting member 12 to the cowl top 3, and the bifurcated portion 13 has the instrument panel 2 attached to the cowl top 3. In this state, the first leg portion 26 and the second leg portion 27 are located apart from each other in the vertical direction.

  Here, an accident occurs, and the human body hits the outer surface of the windshield 1 as indicated by an arrow X in FIG. 2, and the windshield 1 is bent by the impact, and a large external force is applied to the instrument panel 2. Suppose. At this time, the attachment member 12 is connected to the flange portion 7 so that the bifurcated portion 13 sandwiches the flange portion 7 of the cowl top 3 via the clip 17, so that the attachment member 12 is added to the instrument panel 2. Due to the external force, the bifurcated portion 13 is easily detached from the flange portion 7, and the instrument panel 2 is greatly deformed as shown by the phantom line in FIG. Thereby, energy can be absorbed efficiently and the impact given to a human body can be kept small. In particular, when the flange portion 7 of the cowl top 3 protrudes substantially rearward as shown in the illustrated example, when the human body hits the windshield 1 in the direction of the arrow X, the mounting member 12 is more reliably attached. It can be detached from the flange portion 7.

  Even when the direction of the external force acting on the vehicle outer surface of the windshield 1 is other than the direction of the arrow X, the bifurcated portion 13 can be easily removed from the flange portion 7 to greatly deform the instrument panel 2 and increase the energy absorption efficiency. Can do.

  By the way, as described above, the clip 17 can be omitted, and the bifurcated portion 13 of the mounting member 12 can be directly fitted to the flange portion 7 of the cowl top 3. can get.

  When manufacturing an automobile, the instrument panel 2 is usually mounted on the vehicle body 4 by a mounting device (not shown). During this operation, the instrument panel 2 is moved in the direction of arrow A while being maintained in a substantially horizontal posture as shown in FIG. 4, and the bifurcated portion 13 of the mounting member 12 fixed to the instrument panel 2 is The flange portion 7 of the cowl top 3 is fitted. At this time, the cowl top 3 is made of a metal plate, and the bifurcated portion 13 of the mounting member 12 is made of resin, so that the bifurcated portion 13 is directly connected to the flange portion 7 of the cowl top 3 without using the clip 17. If it is made to fit, a big frictional force will generate | occur | produce between both, and the forked part 13 cannot be smoothly fitted on the flange part 7. FIG.

  Therefore, as shown in FIG. 4, the resin clip 17 is fitted into the flange portion 7 in advance by, for example, manual operation, and the bifurcated portion 13 of the mounting member 12 is fitted into the resin clip 17. Since the resin-made clip 17 and the resin-made bifurcated portion 13 are fitted together, the frictional force generated at the time of fitting is reduced, and both can be fitted smoothly. Thus, when the cowl top 3 is made of a metal plate and the bifurcated portion 13 is made of resin, a resin clip 17 fitted to the flange portion 7 of the cowl top 3 is used to attach the mounting member. The twelve forked portions 13 are preferably configured so as to sandwich the flange portion 7 via a clip 17 fitted to the flange portion 7. Thereby, the instrument panel 2 can be reliably assembled to the vehicle body 4.

  By the way, as shown in FIG. 4, when the instrument panel 2 is moved in the direction of the arrow A and the instrument panel 2 is mounted on the vehicle body 4, the front portion of the instrument panel 2 is moved to FIG. As indicated by the two-dot chain line, it may fall down. If it becomes like this, even if the instrument panel 2 is moved in the arrow A direction, the bifurcated portion 13 of the attachment member 12 cannot be fitted to the flange portion 7 of the cowl top 3.

  Therefore, as shown in FIGS. 5 and 6, the clip 17 has a pair of guides for guiding the instrument panel 2 when the instrument panel 2 is moved forward indicated by the arrow A and mounted on the vehicle body 4. A guide portion 18 is provided integrally. These guide portions 18 are arranged at a distance from each other in the vehicle width direction, and the guide surfaces of the guide portions 18 are inclined so that the rear ends thereof are lower than the front ends, and the guide portions 18 are slides. It is formed in a shape. By providing the guide portion 18 and moving the instrument panel 2 forward and mounting it on the vehicle body 4, the front portion of the instrument panel 2 falls down as shown in FIG. 6 due to its own weight. Sometimes, the front end portion of the instrument panel 2 hits the guide surface of the guide portion 18, so that the front end portion of the instrument panel 2 moves toward the guide portion as the instrument panel 2 moves forward indicated by the arrow A. 18 is guided while sliding on the guide surface from the bottom to the top, and moves in the direction of arrow B. For this reason, the downward fall of the instrument panel 2 is corrected, and finally the bifurcated portion 13 of the mounting member 12 can be fitted to the clip 17 without any trouble. When the instrument panel 2 is moved forward and attached to the vehicle body, the second leg portion 27 on the lower side of the bifurcated portion 13 enters between the pair of guide portions 18 as indicated by an arrow C in FIG. Therefore, the movement of the attachment member 12 is not obstructed by the guide portion 18. At this time, as apparent from FIG. 3, the width of the second leg portion 27 on the lower side of the bifurcated portion 13 is gradually reduced toward the front end thereof.

  As described above, the clip 17 shown in FIGS. 5 and 6 has the guide portion 18 that guides the instrument panel 2 when the instrument panel 2 is attached to the vehicle body 4. 2 can be more reliably assembled to the vehicle body 4.

Further, as shown in FIG. 6, a dash silencer 20 is disposed adjacent to the cowl top 3, but the clip 17 shown in FIGS. 5 and 6 is provided with a pressing portion 21 for holding the dash silencer 20. It has been. As apparent from FIGS. 5 and 6, a plate piece integral with the guide portion 18 and the clip 17 is provided on the lower side of the guide portion 18 and the clip 17, and a pressing portion 21 is configured by the front end edge of the plate piece. With this configuration, an independent member for pressing the dash silencer 20 can be omitted, or the number of the members can be reduced, and the cost of the automobile can be reduced. Other configurations of the instrument panel mounting apparatus shown in FIGS. 5 and 6 are the same as those shown in FIGS. 1 to 4.

It is a perspective view which shows the compartment front part of a motor vehicle. It is the II-II line expanded sectional view of FIG. It is an exploded perspective view of an instrument panel, an attachment member, and a clip. It is sectional drawing which shows a mode when attaching an instrument panel to a vehicle body. It is a figure which shows the other example of a clip, Comprising: It is a perspective view when the said clip is seen from the opposite side to FIG. It is sectional drawing which shows a mode when the instrument panel is guided by the guide part. It is sectional drawing similar to FIG. 2 which shows the conventional instrument panel mounting apparatus.

Explanation of symbols

2 instrument panel 3 cowl top 4 vehicle body 7 flange portion 12 mounting member 13 bifurcated portion 17 clip 18 guide portion 20 dash silencer 21 presser portion

Claims (1)

In an instrument panel mounting apparatus for an automobile, the mounting member fixed to the instrument panel is connected to the cowl top of the vehicle body and the instrument panel is attached to the cowl top.
A bifurcated portion having a clip fitted to the flange portion of the cowl top, the attachment member sandwiching the flange portion of the cowl top via the clip and releasably connecting the attachment member to the cowl top; The bifurcated portion has a first leg portion and a second leg portion that are spaced apart from each other in a state where the instrument panel is attached to the cowl top, and the cowl top Is composed of a metal plate, the bifurcated portion is composed of resin, and the clip is integrally formed with a pair of guide portions for guiding the instrument panel when the instrument panel is moved forward and mounted on the vehicle body. The clip is provided with a presser portion for pressing a dash silencer disposed adjacent to the cowl top, and the clip The guide portions are spaced apart from each other in the vehicle width direction, and the guide surfaces of the guide portions are inclined so that the rear ends thereof are lower than the front ends, and the instrument panel is moved forward. When mounted on the vehicle body, the instrument panel is guided while its front end slides from the bottom to the top of the guide portion of the guide portion. The presser portion is configured by the front end edge of the plate piece, and the second leg portion on the lower side of the bifurcated portion is gradually narrowed toward the front end, and the instrument panel is moved forward. An instrument panel mounting device for an automobile, wherein the second leg portion enters between the pair of guide portions when the second leg portion is mounted on the vehicle body.

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