JPH11115628A - Mounting structure of room lamp device for automobile - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a mounting structure of the room lamp device for an automobile, which can mount the room lamp device of an automobile simply in a short time inexpensively to the ceiling of the automobile, and can prevent the occurrence of abnormal sound at the time of vehicle running. SOLUTION: In a structure for mounting a room lamp device to the ceiling of an automobile, a mounting plate 30 for the roof inner panel 35 of a car body is disposed to the roof inner panel 35 side of a molded ceiling 20 of the car body, and the room lamp device 10 is disposed to the cabin inner side of the molded ceiling 20, the room lamp device 10 is fixed to the mounting plate 30 by way of the molded ceiling 20 in such a way that it can be mounted/ demounted thereafter, and the room lamp device 10 is fixed to the roof inner panel 35 together with the molded ceiling 20 using the mounting plate 30.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mounting structure for a vehicle room lamp device.

[0002]

2. Description of the Related Art As shown in FIG. 7, a room lamp device 40 (or a map lamp device) is mounted on a front ceiling in a vehicle compartment to illuminate a driver or a passenger in a passenger seat. As shown in FIG. 8, the room lamp device 40 includes a lamp base portion 43 for holding the lamp L, and a lens portion 45 that covers the lamp L and is detachably attached to the lamp base portion 43. Is common.

[0003] A conventional mounting structure of a room lamp device 40 is such that a molded ceiling 4 is formed on a roof inner panel 41 of a vehicle body.
2, the lamp base 43 is disposed on the vehicle interior side of the molded ceiling 42, and the hole 44 of the lamp base 43 is
Through a screw S to a welding nut (not shown) of the roof inner panel 41. that time,
The wire harness H for the room lamp device 40 is
The connector C at the end of the wire harness H is connected to the lamp L when the lamp base 43 is screwed thereafter before the molded ceiling 42 is attached.

However, in the conventional room lamp device mounting structure, in a car assembly line, a worker must enter the vehicle being assembled and mount the molded ceiling 42 and the lamp base 43 upward, which is impossible. I had to work in a different posture. Moreover, since the molded ceiling 42 and the room lamp device 40 must be installed in the vehicle in order,
The work time becomes longer, resulting in a burden on the worker.

Further, in the conventional room lamp device mounting structure, when assembling the molded ceiling 42 to the roof inner panel 41, as shown in FIG. 7, a wire harness H pulled from an engine room is connected to a front pillar of the vehicle body. Crawling along the portion 46, and is sunk from the upper hole 47 of the front pillar portion 46 to the back side (the vehicle body outer plate side) of the roof inner panel 41 and guided near the center in the vehicle width direction above the windshield F. Roof inner panel 4
The lamp base portion 43 is pulled out from the lamp mounting hole 48 formed in the vehicle interior side and connected to a terminal of the lamp L of the lamp base portion 43 via a connector C.

However, in the wire harness H, since the inner periphery of the hole 47 above the front pillar portion 46 and the lamp mounting hole 48 is easily scratched, a vinyl tape or the like must be wound around the outer periphery of the wire harness H. However, there is a problem that labor and cost increase. Further, when the vehicle travels on a rough road, the wire harness H provided on the inner roof panel 41 may vibrate to generate abnormal noise.

[0007]

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and enables a room lamp device for a vehicle to be simply and quickly mounted on a ceiling of a vehicle economically. It is an object of the present invention to provide a mounting structure of a room lamp device for an automobile, which can also prevent abnormal noise during running.

[Means for Solving the Problems]

[0008] That is, the invention of claim 1 is a structure for mounting a room lamp device on a ceiling in an automobile, wherein a mounting plate for a roof inner panel of a vehicle body is arranged on the roof inner panel side of the molded ceiling and the vehicle with the molded ceiling is mounted. A room lamp device is disposed on the indoor side, and after the room lamp device is detachably fixed to the mounting plate via the molded ceiling, the room lamp device is fixed to the roof inner panel by the mounting plate together with the molded ceiling. The present invention relates to a mounting structure for a room lamp device for an automobile.

According to a second aspect of the present invention, in the first aspect, a connection wire harness having one end connected to the room lamp device and the other end serving as a connection connector to the vehicle-side wire harness is disposed and fixed to the molded ceiling. Then, the connecting connector is located on the front side of the vehicle at one end in the vehicle width direction of the molded ceiling, and the invention relates to a mounting structure for a room lamp for an automobile.

BEST MODE FOR CARRYING OUT THE INVENTION

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings. FIG. 1 is a perspective view showing a room lamp device according to an embodiment of the present invention when the room lamp device is mounted, FIG. 2 is a perspective view showing the room lamp device according to the embodiment when the room lamp device is mounted, and FIG. Sectional view cut along three lines, FIG.
5 is a cross-sectional view taken along line 4-4 in FIG. 2 after mounting, FIG. 5 is a perspective view showing another mounting structure, and FIG. 6 is a cross-sectional view showing the mounting state of the room lamp device shown in FIG.

As shown in FIGS. 1 to 4, a room lamp device 10 used in an embodiment of the present invention is a lamp base portion 11 for holding a lamp L, and is detachable from the lamp base portion 11 so as to cover the lamp L. The lens unit 12 is attached to the roof inner panel 35 of the vehicle body together with the molded ceiling 20 by the attachment plate 30. First, each member will be described, and then mounting will be described.

The lamp base portion 11 is made of plastic or the like, has a mounting surface 17 and a peripheral wall 18, and has a lamp L mounted therein. The connector 13 connected to the lamp L is provided on the mounting surface 17 for connection to the connection wire harness H2. In this example, the connector 13 is provided at the rear end of the lamp base portion 11 at the center in the vehicle width direction of the lamp base portion 11, and a notch groove 14 as a wiring passage between the connector 13 and the lamp L is provided. It is formed between the connector 13 on the surface 17 and the lamp L. The positions of the connector 13 and the lamp L are not limited to the positions in this example, but are determined as appropriate.

The mounting surface 17 is formed with two or more screw insertion holes 15 for detachably fixing the mounting plate 30, and is provided on both sides in the vehicle width direction for removal from the roof inner panel 35. The operation hole 16 is formed in a substantially rectangular shape that is long in the vehicle front-rear direction. On the other hand, a lamp blinking operation section (not shown) is provided on a surface portion of the peripheral wall 18 exposed in the vehicle compartment, so that the lamp L of the room lamp device 10 can be blinked from the vehicle compartment.

The lens portion 12 is formed of a plastic lid having a light transmitting property such as transparent, and a nail 19 formed on an edge of the lens portion 12 is formed on a peripheral wall 18 of the lamp base portion 11. It is detachably attached to the lamp base portion 11 by inserting and engaging with a hole (not shown).

The molded ceiling 20 is provided with a roof inner panel 3 for the purpose of improving heat insulation, sound insulation and decorativeness.
5, which is generally made of a base material made of a urethane foam sheet, a glass fiber mat, a thermosetting resin sheet material, or the like, and a skin and a back material made of a fabric, a plastic sheet, or a nonwoven fabric. A laminated material obtained by laminating via a hot-melt film is pressed into a ceiling shape by a hot press mold, and is integrated and shaped.

At the mounting position of the room lamp device 10 on the molded ceiling 20, the screw insertion hole 15 and the removal operation hole 16 of the mounting surface 17 of the lamp base 11 are aligned, and the screw insertion hole 24 and the removal An operation hole 22 is formed. The molded ceiling 20 is provided with a fixing portion such as a screw at an appropriate position (not shown) such as a peripheral edge thereof for fixing to the roof inner panel 35 or the like.

A connection opening 23 is formed in the molded ceiling 20 at a position corresponding to the connector 13 of the lamp L. As shown in FIG.
Is connected to the connector 13 of the lamp L via a connector C1. This connection wire harness H2
The vehicle extends from the mounting position of the room lamp device 10 on the back side of the molded ceiling 20 (the side facing the roof inner panel 35) to the back side of the front end 21 of the molded ceiling 20, and further along the back of the front end 21. It is arranged to one end in the width direction, and an appropriate portion is fixed to the back surface of the molded ceiling 20 by an adhesive J made of a hot melt adhesive or the like. The back surface near the front end 21 of the molded ceiling 20 on which the connection wire harness H2 is disposed has a gap D with the roof inner panel 35 of about 10 mm or more, as shown in FIG. The connection wire harness H2 is wired using the gap D. The connector C2 provided at the tip of the connection wire harness H2
Is connected to a connector (not shown) of the vehicle-side wire harness. The vehicle-side wire harness is previously wired from the battery in the engine room to the upper part of the front pillar portion of the vehicle body.

The mounting plate 30 is made of a metal plate made of steel, and has a central mounting portion 31 and engaging claw portions 32 formed at both ends in the longitudinal direction (the vehicle width direction). At the center position of the center mounting portion 31, a wire harness pressing portion 34 which is curved so as to expand toward the roof inner plate 35 is formed, and a connection wire harness H2 provided on the molded ceiling 30 passes through the pressing portion 34. To prevent the lamp L from being twisted in the vicinity of the connector 13 and from being damaged by friction caused by vibration during running of the vehicle. Burring holes 35 are formed on both sides of the wire harness holding portion 34 of the mounting plate 30 so as to be aligned with the screw insertion holes 24 of the molded ceiling 20. The rigidity of the mounting plate 30 in this example is enhanced by bending the edge in the vehicle front-rear direction toward the roof inner panel 35 side.

The engaging claw 32 of the mounting plate 30
A base portion 32a bent from both ends of the center attachment portion 31 toward the roof inner plate 35;
Elastic locking piece 3 folded back from the tip of the member toward the molded ceiling 20
2b, and this elastic locking piece 32b has a shape bent in a substantially Z-shape in the vehicle width direction, and bulges toward the opposite side of the base 32a at the center position. And a second bent portion n bulging toward the base 32a at the lower portion. The distance between the two engaging claws 32 is determined by the two removal operation holes 22 of the molded ceiling 20.
Is adjusted to the interval.

On the other hand, the roof inner plate 35 is fixed to the vehicle in advance as a part of the vehicle body.
At the mounting position of the room lamp device 10, a locking hole 36 for detachably inserting and locking the engaging claw portions 32 at both ends of the mounting plate 30 is formed. The locking hole 36 in this example is formed by a hole cut out in a substantially cross shape along the vehicle width direction and the vehicle front-rear direction, and both edges 37 of the locking hole 36 in the vehicle width direction are formed by the engaging claw portions. 32, between the first bent portion m and the second bent portion n of the elastic locking piece 32b, and the lower end p of the engaging claw portion 32 is connected to the molded ceiling 20 and the lamp base portion 11.
Are located in the removal operation holes 22 and 16. In addition, the hole 36 in the vehicle front-rear direction of the locking hole 36 is provided.
a is for preventing the connection wire harness H2 from hitting the surface of the roof inner panel 35 in the vicinity of the wire harness holding portion 34 in the mounting plate 30.

Next, an example of mounting the loop lamp device will be described. The room lamp device 10 is assembled to the molded ceiling 20 in advance before being attached to the roof inner panel 35 of the vehicle body. At this time, the mounting plate 30 is arranged on the back side of the molded ceiling 20, and the lamp base 11 is arranged on the front side of the molded ceiling 20. The burring hole 35 and the screw insertion holes 16 and 22 are aligned with each other. Screws S are inserted into the screw insertion holes 16 and 22 from the lamp base portion 11 side and screwed into the burring holes 35 of the mounting plate 30 so that the lamp base portion 11 is formed into the molded ceiling 2.
Fix the lamp at the 0 position. At this time, the connection wire harness H2 disposed on the back surface of the molded ceiling 20
Is clamped between the harness holding portion 34 of the mounting plate 30 and the back surface of the molded ceiling 20, and the connector C1 at the end is connected to the connector 13 of the lamp L. Subsequently, the lens unit 12 is fitted into the lamp base unit 11 to form a desired room lamp device 10.

The ceiling 20 to which the room lamp device 10 is assembled as described above is brought into the vehicle, and the engagement claw portions 32 formed at both ends of the mounting plate 30 are provided.
Into the locking hole 36 of the roof inner panel 35 of the vehicle body. Then, between the first bent portion m and the second bent portion n of the elastic locking piece 32b of the engaging claw portion 32, both edges 37 of the locking hole 36 are formed by the elasticity of the elastic locking piece 32b. If locked, the room lamp device 1 together with the molded ceiling 20
0 is attached to the ceiling in the car. At this time, in order to more easily lock the elastic locking piece 32b to the edge 37 of the locking hole 36, at least one of the elastic locking pieces 32b is
The engaging claw 32 may be inserted into the locking hole 36 while being pushed and bent toward the base 32a of the second. The lower end p of the elastic locking piece 32b locked in the locking hole 36 of the roof inner panel 35 in this manner is located in the molded ceiling 20 and the removal operation holes 22 and 16 of the lamp base portion 11. . The connector C2 at the end of the connection wire harness H2 provided on the back side of the molded ceiling 20 is connected to a wire harness provided on the vehicle body. The molded ceiling 20 is appropriately fixed to a roof inner panel or the like of a vehicle body at a portion other than the mounting position of the lamp device.

When it is necessary to replace the lamp L of the lamp device 10 mounted on the ceiling in the vehicle, the lens unit 12 is removed and the lamp L is replaced.
When it is necessary to remove the lamp device 10 itself or repair the connection wire harness H2 on the back side of the molded ceiling 20, after removing the lens portion 12 from the lamp base portion 11, the lamp base portion 11 and the molded portion are removed. A tool such as a flathead screwdriver is inserted into the removal operation holes 16 and 22 formed in the ceiling 20 from the inside of the vehicle. Press and bend. And the roof inner panel 3
When the engagement of the elastic locking pieces 32b with the 0 locking holes 36 is released, the molded ceiling 20 and the lamp base 11 together with the mounting plate 30 can be easily removed from the roof inner panel 35. If it is desired to remove only the lamp device 10, the screw S may be removed after the lens portion 12 has been removed, and the lamp base portion 11 may be removed.

The mounting plate 3 of the lamp base 11
The fixing with respect to 0 may be performed from the side of the mounting plate 30A as shown in FIGS. In this case, the mounting plate 30
A has a screw insertion hole 35A instead of the burring hole,
Boss holes 15A are formed in the lamp base portion 11A in place of the screw insertion holes, respectively.
A screw S passed through the screw insertion hole 35A of the 0A and the screw insertion hole 24A of the molded ceiling 20A is screwed into the boss hole 15A of the lamp base 11A. Reference numeral 12A denotes a lens portion, 35A denotes a roof inner panel, and the structure of other portions is as follows.
This is the same as the embodiment shown in FIGS.

[0025]

As described above, according to the first and second aspects of the present invention, since the room lamp device is previously mounted on the molded ceiling, the molded ceiling is attached to the roof inner panel of the vehicle body and the room lamp is simultaneously mounted. The device can also be mounted on the ceiling in the car. In addition, since it is not necessary for the worker to face up and install the loop lamp device separately in the vehicle on the production line, as in the conventional case, the installation work is simple and short. It can be done economically.

In the invention of claim 2, in addition to the above effects, a connection wire harness for the room lamp device is disposed and fixed on the molded ceiling, and is connected to the vehicle side wire harness disposed on the vehicle body. Therefore, it is not necessary to provide a protector such as a vinyl tape, which is conventionally required to prevent damage due to contact with the inner peripheral edge of the hole of the roof inner panel, on the connection wire harness, which is more economical. In addition, since the connection wire harness for the room lamp device is fixed to the molded ceiling, noise such as rubbing noise due to the vibration of the wire harness during running of the vehicle is less likely to occur.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of the present invention when a room lamp device is attached.

FIG. 2 is a perspective view of the embodiment of FIG. 1 when a room lamp device is attached.

FIG. 3 is a sectional view taken along line 3-3 in FIG. 2 after the room lamp device in the embodiment of FIG. 1 is attached.

FIG. 4 is a sectional view taken along line 4-4 in FIG. 2 after the room lamp device in the embodiment of FIG. 1 is attached.

FIG. 5 is a perspective view showing another example of a room lamp device attached.

FIG. 6 is a cross-sectional view showing an attached state of the room lamp device shown in FIG.

FIG. 7 is a schematic view of the interior of an automobile equipped with a room lamp device.

FIG. 8 is a perspective view when a room lamp device is attached according to a conventional technique.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Room lamp device 20 Molded ceiling 30 Mounting plate 35 Roof inner panel

Claims (2)

[Claims] 1. A structure for mounting a room lamp device on a ceiling in an automobile, wherein a mounting plate for a roof inner plate of a vehicle body is disposed on a roof inner plate side of a molded ceiling, and a room lamp device is provided on a vehicle interior side of the molded ceiling. And a room lamp device is detachably fixed to a mounting plate via the molded ceiling, and then the room lamp device is fixed together with the molded ceiling to a roof inner panel by a mounting plate. Equipment mounting structure. 2. A connecting wire harness according to claim 1, wherein one end of the connecting wire harness is connected to the room lamp device, and the other end of the connecting wire harness is connected to the vehicle body side wire harness. An automotive room lamp mounting structure, which is located at one end of a molded ceiling in the vehicle width direction and in front of the vehicle.