JPH04127052U - Grommet for leading wires into vehicle lighting equipment - Google Patents

Abstract

(57) [Summary] (with amendments) [Purpose] To provide a grommet for drawing in the lead wire of a vehicle lamp that has a waterproof effect and a simple structure. [Structure] Since the height of the inner opening of the grommet 6 is made higher than the height of the outer opening, even if water enters the insertion hole 65 from the outer opening of the grommet 6, the water will flow through the outer opening due to gravity. There is no risk of entry into the inside of the vehicle body through the inner opening located at a higher position than the opening. In addition, since the waterproof tape 5 is wrapped around the opening inside the grommet 6 and the lead wire 2 in the vicinity, the waterproof tape 5 allows
It is further possible to prevent water from entering the inside of the vehicle body through the opening inside the grommet 6. Moreover, waterproof tape 5 is attached to the opening inside the grommet 6 and the lead wire 2 in the vicinity.
The structure is simple because it only needs to be wrapped.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This invention is suitable for use in rear combination lamps, license lamps, etc. A grommet that draws the lead wire from the vehicle light fixture installed outside the vehicle body into the inside of the vehicle body. In particular, lead wires for vehicle lights, which have a simple structure and are waterproof. This relates to grommets for personal use.

0002

[Conventional technology]

A conventional grommet of this type will be explained with reference to FIG. In the figure, 1 is a car body panel, and a circular mounting hole 10 is opened in this car body panel 1. Set up 2 is installed on the outside of the car body, such as a rear combination lamp or lamp. This is a lead wire that is drawn out watertight from a vehicle lighting device (not shown) such as a lighting lamp. Ru. In the figure, 3 is a nearly cylindrical grommet made of rubber, for example. body). This grommet 3 is located approximately halfway from one end located inside the vehicle body. an insertion portion that extends over the body panel 1 and has an outer diameter smaller than the inner diameter of the mounting hole 10 of the vehicle body panel 1; 31, and the outer diameter provided closer to the other end than the middle part is the mounting hole of the vehicle body panel 1. A protrusion 32 for preventing slipping off with a chevron-shaped cross section slightly larger than the inner diameter of No. 10, and a projection 32 on the outside of the vehicle body The outer diameter integrally provided on the other end side is larger than the inner diameter of the mounting hole 10 of the vehicle body panel 1. A large contact flange portion 33 is provided. The convex portion 32 of the grommet 3 has a gentle slope from the insertion portion 31 side, and The slope from the flange portion 33 is steep. The steep slope of the convex portion 32 of this grommet 3 and the A fitting in which the edge of the mounting hole 10 of the vehicle body panel 1 fits into the base of the contact flange 33 A fitting portion (fitting groove) 34 is provided. Inside the grommet 3, there is a hole for inserting the lead wire. 35 from one end surface of the insertion part 31 of the grommet 3 to the other end surface of the abutting collar part 33. It is provided in the axial direction of the grommet 3 and configured to communicate between the outside and inside of the vehicle body. Ru. In the insertion hole 35 of the grommet 3, the insertion part 31 side, that is, the inside of the vehicle body. The side opening 36 and the abutment flange 33 side, that is, the opening 37 on the outside of the vehicle body. have Thus, the insertion portion 31 of the grommet 3 is inserted into the mounting hole 10 of the vehicle body panel 1. from the outside to the inside, and insert the protrusion 32 of the grommet 3 into the vehicle body panel 1. Press fit into the attaching hole 10 to bring the abutment flange 33 into contact with the outer surface of the vehicle body panel 1. Then, the fitting portion 34 is fitted into the mounting hole 10 of the vehicle body panel 1. As a result, the grommet The contact flange 33 restricts movement of the vehicle body panel 1 from the outside to the inside. , and the convex portion 32 prevents the vehicle body panel 1 from coming off from the inside to the outside. Rotation is restricted by the fitting portion 34 and fixed to the vehicle body panel 1. and, Connect the lead wire 2 from the vehicle lamp installed outside the vehicle body to the outside of the grommet 3. is inserted into the insertion hole 35 through the opening 37 and passed through the insertion hole 35. and pull it out to the inside of the vehicle body panel 1 through the inside opening 36. However, the above-mentioned grommet 3 communicates the outside and inside of the vehicle body panel 1. Since the lead wire 2 is simply passed through the insertion hole 35, water does not pass through the insertion hole 35. There is a risk of it entering the inside of the vehicle.

0003 Therefore, a waterproof structure as shown in Fig. 3 was provided. i.e. the length is grommet Insert the tube 4 longer than 3 into the insertion hole 35 of the grommet 3, and Pass the lead wire 22 through. Next, raise the outer end of the tube 4 to the vehicle body panel 1. Welding is performed by frequency welding, while the tube 4 is attached to the inside of the vehicle body panel 1. A waterproof tape 5 is wrapped around the end of the lead wire 2 and the lead wire 2 near the end. As a result , the tube 4 fitted into the insertion hole 35 of the grommet 3, and the outside of the tube 4. The side welded end and the inner end wrapped with waterproof tape 5 allow water to flow through the tube 4. Prevents entry into the inside of the vehicle body through the insertion hole 35 of the grommet 3. be able to.

0004

[Problem that the idea aims to solve]

However, the conventional grommet structure described above requires the tube 4, and Insert the tube 4 into the insertion hole 35 of the grommet 3, or Problems such as the structure being complicated as it is necessary to weld the outer edge of 4. There is.

[0005] The purpose of this invention is to draw lead wires for vehicle lamps that have a simple structure and are waterproof. Our goal is to provide grommets for inclusion.

[0006]

[Means to solve the problem]

This invention makes the height of the inner opening of the grommet higher than the height of the outer opening, and Waterproof tape runs from the edge of the opening on the inside of the grommet to the lead wire near that edge. It is characterized by being wrapped with a loop.

[0007]

[Effect]

The present invention is to make the height of the inner opening of the grommet higher than the height of the outer opening. Therefore, even if water enters the insertion hole from the outside opening of the grommet, Due to gravity, water flows inside the vehicle through the inner opening, which is located higher than the outer opening. There is no risk of intrusion. Also, check the opening inside the grommet and the lead near it. The waterproof tape wrapped around the cable prevents water from entering the vehicle body through the opening inside the grommet. can be further prevented from invading. Moreover, the opening inside the grommet and Just wrap the lead wire around the lead wire with waterproof tape, so it is easy to insert the grommet. Inserting a tube into the hole and welding the outer end of the tube Its structure is simple compared to the structure of conventional grommet.

[0008]

【Example】

The figure below shows an example of a grommet for leading in the lead wire of the vehicle lamp of the present invention. This will be explained with reference to 1. In the figure, the same reference numerals as in FIGS. 2 and 3 indicate the same components. In the figure, 6 is a grommet of the present invention. This grommet 6 has a dogleg shape. The outer diameter from one end located inside the vehicle body to approximately the middle part is the above-mentioned diameter. An insertion part 61 smaller than the inner diameter of the mounting hole 10 of the vehicle body panel 1 and a dogleg shape from the middle part. The outer diameter of the mounting hole 10 of the vehicle body panel 1 is bent toward the other end. A retaining protrusion 62 with a chevron-shaped cross section that is slightly larger than the inner diameter, and a protrusion 62 located on the outside of the vehicle body. The outer diameter of the mounting hole 10 integrally provided on the other end of the vehicle body panel 1 is larger than the inner diameter of the mounting hole 10 of the vehicle body panel 1. The contact flange portion 63 is provided. The convex portion 62 of the grommet 6 has a gentle slope from the insertion portion 61 side, and The slope from the flange portion 63 is steep. The steep slope of the convex portion 62 of this grommet 6 and the A fitting in which the edge of the mounting hole 10 of the vehicle body panel 1 fits into the base of the contact flange 63 A fitting portion (fitting groove) 64 is provided. Inside the grommet 6, there is a hole for inserting the lead wire. 65 from one end surface of the insertion part 61 of the grommet 6 to the other end surface of the abutting collar part 63. It is provided in the axial direction of the grommet 6 and configured to communicate between the outside and inside of the vehicle body. Ru. In the insertion hole 65 of the grommet 6, the insertion part 61 side, that is, the inside of the vehicle body. The side opening 66 and the abutment flange 63 side, that is, the opening 67 on the outside of the vehicle body. have Thus, the insertion portion 61 of the grommet 6 is inserted into the mounting hole 10 of the vehicle body panel 1. from the outside to the inside, and insert the protrusion 62 of the grommet 6 into the vehicle body panel 1. Press fit into the attached hole 10 and place the inner opening 66 of the grommet 6 at a higher level than the outer opening 67. Abut the abutment flange 63 against the outer surface of the vehicle body panel 1 with the abutment flange 63 facing upward so as to be located at the At the same time, the fitting portion 64 is fitted into the mounting hole 10 of the vehicle body panel 1. As a result , the grommet and convex portion 62 prevents the vehicle body panel 1 from coming off from the inside to the outside. Further, rotation is restricted by the fitting portion 64 and fixed to the vehicle body panel 1. Then, connect the lead wire 2 from the vehicle lamp installed outside the vehicle body to the grommet. 6 into the insertion hole 65 through the opening 67 on the outside, and through the insertion hole 65. It is inserted through and pulled out to the inside of the vehicle body panel 1 through the inside opening 66. Furthermore, that Apply waterproof tape 5 to the opening 66 inside the grommet 6 and the lead wire 2 near it. Wrap it up. In this example, the grommet for drawing in the lead wire of the vehicle lamp of the present invention is , the height of the inner opening 66 of the grommet 6 is made higher than the height of the outer opening 67. Even if water enters the insertion hole 65 from the opening 67 on the outside of the grommet 6, The water flows from the inner opening 66 located at a higher position than the outer opening 67 due to gravity. There is no risk of it entering the inside of the vehicle. In addition, the opening 66 inside the grommet 6 Since the waterproof tape 5 is wrapped around the lead wire 2 near the lead wire 2, This further prevents water from entering the vehicle body through the opening 66 inside the grommet 6. You can Moreover, the opening 66 inside the grommet 6 and the lead in the vicinity thereof are Since you only need to wrap the waterproof tape around the cable 2, you can insert the tube into the insertion hole of the grommet. The outer end of the tube must be fitted and the outer end of the tube must be welded. Its structure is simpler than that of conventional grommets.

[0009]

[Effect of the idea]

As is clear from the above, it is clear that the grommet for the lead wire of the vehicle lamp of the present invention is Since the height of the inner opening of the grommet is higher than the height of the outer opening, Even if water enters the insertion hole through the opening on the outside of the grommet, the water will be absorbed by gravity. Entry into the inside of the vehicle body through the inner opening, which is located higher than the outer opening. There is no danger of it happening. In addition, the opening inside the grommet and the lead wire near it are waterproof. Since the tape was wrapped, the waterproof tape prevents water from entering the opening inside the grommet. This further prevents them from entering the inside of the vehicle. Moreover, inside the grommet Since all you have to do is wrap waterproof tape around the opening and the lead wires around it. Do not insert the tube into the insertion hole of the met, or melt the outer end of the tube. Its structure is simple compared to the structure of conventional grommet, which requires be.

0010 Since the engaging claw of the shade engages with the thick part of the housing, Of the thick part of the housing, the part that the engaging pawl engages is engaged with the thin part of the housing. Compared to conventional vehicle lamps that engage mating claws, the It can withstand stress and heat from the light source bulb. Therefore, the above The parts of the housing may bulge outward and the appearance of the lamp may be damaged. There is no risk.

[Brief explanation of drawings]

FIG. 1 is a sectional view showing one embodiment of a grommet for leading in a lead wire of a vehicle lamp according to the present invention.

FIG. 2 is a sectional view showing a conventional grommet for drawing in a lead wire.

FIG. 3 is a cross-sectional view of a separate conventional lead entry grommet.

[Explanation of symbols]

1 Vehicle body panel 10 Mounting hole 2 Lead wire 5 Waterproof tape 6 Grommet 61 Insertion part 62 Convex part 63 Contact flange 64 Fitting part 65 Insertion hole 66 Inner opening 67 Outer opening

Claims (1)

[Scope of utility model registration request] [Claim 1] A grommet body fixed to the vehicle body, a lead wire insertion hole provided inside the grommet body so as to communicate between the outside and the inside of the vehicle body, and an opening in the insertion hole on the outside of the vehicle body. The insertion hole has an outer opening and an inner opening opening on the inside of the vehicle body, and a lead wire from a vehicle lamp installed on the outer side of the vehicle body is inserted into the insertion hole from the outer opening. In a grommet for drawing in a lead wire of a vehicle lamp that is inserted through the insertion hole and pulled out from the inside opening to the inside of the vehicle body, the height of the inside opening is higher than the height of the outside opening, and the height of the inside opening is higher than the height of the outside opening; A grommet for leading in a lead wire of a vehicle lamp, characterized in that a waterproof tape is wrapped from the edge of the inner opening of the grommet body to the lead wire near the edge.