JPS6334997Y2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION This invention relates to an improved lamp housing mounting device for removably securing the lamp housing of an automobile to the vehicle body.

Conventionally, screw receivers were fixed in holes drilled in the vehicle body.
It was installed by screwing a screw through the lamp housing into a screw holder, or by welding the screw to the lamp housing, passing the screw through a hole in the car body, and screwing a nut onto the screw from the back.

However, both methods require the screws or nuts to be turned many times during installation and removal, which is a problem in that it takes too much time on an automobile assembly line. Furthermore, the latter method may result in poor installation due to manufacturing errors (position of holes in the vehicle body, welding positions of screws).

Therefore, this invention has been improved so that it can be attached to the car body with one touch on the car assembly line, and can be easily removed later for repairs, etc., solving the conventional problems. ,
This will be explained with reference to the drawings.

The mounting device of the present invention includes a pin 1 and a grommet 2, the pin having a head 3 at one end and a lamp housing 4.
When inserted into the hole 5, the other end 1' passes through the hole and projects outward. The hole in the lamp housing has an enlarged diameter portion 5' on the inlet side for receiving the pin head 3, and it is preferable for appearance and safety to accommodate the pin head and prevent it from protruding outside. The pin has a circular cross-section and is made of metal or plastic.

The grommet 2 is made of plastic with appropriate elasticity, such as nylon 6, and has a body part 7 that fits into a mounting hole formed in the vehicle body panel 6, and a flange part 8 that projects outward from one end of the body part 7. However, a series of through holes 9 are provided in the flange and the body, through which the shaft of the pin passes. The body 7 has a U-shaped groove 10' around its circumference.
A plurality of non-return claws 10 (in this embodiment, two) are provided, with the free end facing the flange 8 and projecting outward from the periphery of the body, and a grommet is inserted from the other end of the body into the mounting opening of the panel 6. When you press in, the non-return claw 1
0 and 10 are bent inward, and when the collar comes into contact with the panel 6, the free end of the non-return claw also comes out to the back of the panel and snaps open as before, holding the grommet 2 against the panel so that it cannot be pulled back. It's becoming like this. It should be noted that if the outer shape of the mounting opening and the body are made into a shape other than a circle, the grommet will be prevented from rotating relative to the panel.

Furthermore, if the recess into which the flange 8 of the grommet provided on the lower surface of the lamp housing 4 is inserted is made into a non-circular shape complementary to the flange, co-rotation can be similarly prevented even if the body and the mounting opening are made circular.

The body is provided with a plurality of inwardly bent claw pieces 11 around the other end, in this embodiment two extensions.

The other end 1' of the pin 1, which protrudes outward from the hole 5 of the lamp housing, has a length sufficient to pass through the through hole 9 of the grommet and pass through between the claws 11. At its base, there is a recess 12 that allows the non-return claw 10 of the grommet to bend inward at the edge of the mounting opening of the panel, and around the tip, the aforementioned claw piece 11... is hooked so that it cannot be pulled out in reverse. A notch 13 is provided, and the circumferential spacing between the notches 13, 13 forms a slope 14, 14 extending downwardly to the tip beyond the front end of the notch.

To connect the pin 1 and the grommet 2, pass the pin through a hole in the lamp housing, fit the grommet 2 to the other end 1' of the pin protruding from the lamp housing, and insert the other end between the claw pieces 11. Hook the notches 13, 13 at the tip of the lamp with the tips of the claw pieces 11, 11, and assemble and place it on the lamp housing. In this state, the notches 13, 13 are locked by the claw pieces 11, so the pin and grommet do not come off from the housing, and the flat tip of the claw piece 11 is also in contact with the flat bottom of the notch 13. Therefore, the pin is prevented from rotating relative to the grommet unless a little strong force is applied, and the directions of the check claw 10 of the grommet and the recess 12 of the pin are aligned.

To attach the lamp housing to the vehicle body, it is sufficient to simply push the grommet 2 into the mounting opening of the vehicle body panel. That is, when the grommet 2 is pushed in, the non-return claw of the grommet 2 bends inward and once enters the recess 12 of the pin, and then, as described above, passes through the mounting opening and opens outward, collaborating with the collar 8. This is because the lamp housing 4 is held together with the grommet on the vehicle body. Therefore,
Assembling the pin and grommet to the lamp housing can be done outside the automobile assembly line, for example by leaving it to the lamp housing manufacturer, so on the assembly line it is a one-touch operation that simply pushes the grommet assembled into the lamp housing. Installation can be done with

When the housing is later removed from the vehicle body for repair or replacement, the exposed pin head 3 should be aligned with the claw piece 11 and the notch 13 in a phase of 180° in this embodiment. There are two addresses, so
When rotated by 90 degrees, the tip of each claw piece 11 rides on the slope 14 formed between the notches 13 and 13 in the circumferential direction, and the force forces the pin 1 in the axial direction so that the head 3 separates from the outer surface of the housing. (dashed line in Figure 5).
For this reason, if you pinch the head 3 protruding from the outer surface of the housing with your fingers or a tool and pull it further, the pin will come out of the through hole of the grommet and be separated, so the grommet will fall behind the car body panel and the housing will come into contact with the car body panel. The fixation will come off. Therefore, it can be removed very easily if necessary. In this case, it is preferable to form a groove 15 in the head 3 of the pin to which the cutting edge of a screwdriver such as a Phillips or flathead screwdriver is applied.

Further, the number of check claws 10, recesses 12, claw pieces 11, notches 13, and slopes 14 is not limited to two in the circumferential direction, but may be three or more.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention, and FIG. 1 is a side view of a pin and grommet, with half of the grommet cut in section, FIG. 2 is a plan view of the same, and FIG.
The figure is a perspective view of the lamp housing being assembled, Figure 4 is a perspective view of the lamp being installed on the car body, and Figure 5 is a cross-sectional view of the lamp being installed on the car body. 1' is the other end, 2 is the grommet, 3 is the head of the pin, 4 is the lamp housing, 5 is the hole, 6 is the body panel, 7 is the body of the grommet, 8 is the collar, and 9 is the through hole. , 10 is a non-return claw, 11 is a claw piece, 12 is a recess at the other end of the pin, 13 is a notch, and 14 is a slope.

Claims (1)

[Claims for Utility Model Registration] A pin that has a head at one end, passes through the lamp housing when passed through a hole in the lamp housing, and the other end protrudes outside, and a through hole through which the other end of the pin passes through. It consists of a plastic grommet made of a series of flange parts and a body part, and the body part of the grommet has an external shape that fits into a mounting opening made in the vehicle body panel, and a grommet is attached to the periphery of the grommet in cooperation with the flange part. The pin has a plurality of non-return claws projecting out to hold the pin to the vehicle body panel, and the body has a plurality of extension claw pieces bent inward around the tip, and the other end of the pin extends around the base. It has a recess corresponding to the non-return claw, and a notch around the tip that corresponds to the claw piece and on which the tip of the claw piece is caught, and the circumferential interval between the notches is such that the front end of the notch is A mounting device for a lamp housing in an automobile, characterized in that the lamp housing has a slope that extends downwardly.