JPH04136807U - Vehicle lights - Google Patents

Abstract

(57) [Summary] [Purpose] To provide a vehicle lamp that can effectively release heat to the outside when the bulb is turned on, prevent thermal deformation of the lamp body, and enable the lamp to be made thinner. With the goal. [Structure] A socket plug attachment part 25 is provided protruding from the back surface of the lamp body 1, a ventilation hole 10 is formed on the outer peripheral surface of the socket plug attachment part 25 to communicate the inside and outside of the lamp body 1, and a cover is attached to the ventilation hole 10. One end of the tube 12 is connected.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

The present invention relates to vehicular lights, and in particular to improvements to vehicular lights equipped with ventilation holes. It is.

0002

[Conventional technology]

If moisture inside the lamp becomes water droplets and adheres to the inner surface of the lens due to sudden temperature changes, , significantly reducing the functionality of the lamp. In addition, the heat generated when the bulb is lit can cause the temperature inside the lamp to increase. As the temperature rises, the lamp will become thermally deformed. For this reason, in vehicle lamps, water droplets Ventilation holes are formed in the lamp body to reduce and prevent fluctuations in temperature and pressure. This allows communication between the inside and outside of the light fixture. Figure 8 shows a conventional car with such ventilation holes. This shows a vehicle light, and to explain it briefly, 1 is the light body, 2 is the light body. The front lens forms the lamp chamber together with the front lens 1, and the front lens 2 is integrated with the periphery of the back surface. A seal leg 3 consisting of a frame-shaped body protruding from the lamp body 1 is integrally provided at the front opening of the lamp body 1. It is inserted into the seal groove 5 of the lens attachment part 4 and fixed with the sealant 6. The front opening of the lamp body 1 is airtightly covered. 7 is at the rear of the light body 1 A bulb inserted into the lamp body 1 through a bulb mounting hole 8 provided at the top. , 9 is a bulb socket that holds the bulb 7, and 10 is an appropriate location on the back of the lamp body 1. This ventilation hole 10 is a ventilation hole provided in the back of the lamp body 1. The inside and outside of the lamp body 1 are communicated through the pipe 11 and the cover tube 12. . The communication pipe 11 is integrally provided on the back surface of the lamp body 1 and protrudes rearward. mosquito The bar tube 12 is made of a rubber tube or the like, and rainwater, etc. passes through the communication pipe 11 to the lamp. The end on the opposite side of the lamp body is bent downward to prevent it from entering the body 1. Ru.

0003

[Problem that the idea aims to solve]

As mentioned above, conventional vehicle lamps prevent increases in temperature, pressure, etc. inside the lamp body 1. At the same time, in order to prevent water droplets from adhering to the inner surface of the lens, the ventilation hole 10 is installed in the lamp body. However, conventionally, the communication hole 10 was formed at a position far from the valve 7. As a result, the temperature near the bulb became high and the lamp body 1 was deformed due to heat. was there. Also, the communication pipe 11 and cover tube 12 are connected to the rear of the lamp body 1. Because it protrudes in the direction, the thickness of the lamp body 1 becomes thicker, and the lamp itself becomes larger. In addition, there is the problem that the rear space of the lamp body 1 cannot be used effectively. It was.

0004 Therefore, this invention was made in view of the conventional problems as mentioned above. The purpose of this is to effectively dissipate the heat when the bulb is lit to the outside. , a vehicle lamp that prevents thermal deformation of the lamp body and allows the lamp to be made thinner. It is about providing.

[0005]

[Means to solve the problem]

In order to achieve the above purpose, this invention has a socket plug installed at an appropriate location on the back of the lamp body. A socket plug mounting part is provided protrudingly, and the outside and outside of the lamp body are connected on the outer circumferential surface of this socket plug mounting part. A vent hole is formed to allow the cover tube to pass through, and one end of the cover tube is connected to this vent hole. be.

[0006]

[Effect]

In this invention, the ventilation hole is provided on the outer peripheral surface of the socket plug mounting part. This allows heat near the valve to escape to the outside. The cover tube is the socket plug attachment part. Since it is provided along the outer circumferential surface of the lamp body, it does not form a protrusion toward the rear of the lamp body. Do not obstruct other parts, mechanisms, etc.

[0007]

【Example】

Hereinafter, the present invention will be described in detail based on embodiments shown in the drawings. FIG. 1 is a sectional view taken along line I-I in FIG. 2 showing an embodiment of a vehicle lamp according to the present invention; is a front view, FIG. 3 is a plan view, FIG. 4 is a side view, FIG. 5 is a sectional view taken along the line V-V in FIG. 2, and FIG. FIG. 4 is a sectional view taken along the line VI-VI, and FIG. 7 is an exploded perspective view showing the bracket fixing structure. Ru. Note that the same components in the figure as in FIG. 8 are designated by the same reference numerals. this In these figures, this embodiment shows a front turbine installed at the front corner of the vehicle body. This is applied to a signal lamp. For this reason, the lamp body 1 has a cross-sectional shape. As shown in FIG. 1, the opening 21 is approximately triangular and opens to the front and sides of the vehicle body 20. It has a front turn signal lamp bulb 7 and an inner cover 2 inside. 2. An inner lens 23 and a reflector 24 are provided. Also, the lighting The front lens 2 that airtightly closes the Day 1 opening 21 is flush with the corner of the vehicle body. It is curved into a convex curved shape, with a part extending to the side of the vehicle body. , forming a wraparound lens. In addition, the front lens 2 consists of a clear lens. A lens step 2a made of a cylindrical lens is formed on the inner surface. .

[0008] A cylindrical socket plug attachment part 25 is provided at the rear in the center of the back of the lamp body 1. This socket plug mounting portion 25 is integrally provided toward the center of the rear end surface. A valve mounting hole 8 is formed in the valve mounting hole 8, and a ventilation hole 10 is formed in a protruding manner near the rear end of the outer peripheral surface. It has a communication pipe 11. The front turn sign is installed in the valve mounting hole 8. The bulb socket 9 that holds the bulb 7 for the null lamp is fitted and fixed from the rear. Ru. The communication pipe 11 is located on the lower half side of the outer peripheral surface of the socket plug mounting portion 25, and It protrudes integrally with the lamp body 1 toward the direction of the headlamp 26, and the outside The upper end of the cover tube 12 is connected to the open end via a filter 27. mosquito The bar tube 12 is bent into a C-shape as shown in FIG. filter 27 is a porous material such as fluorine-based, polyethylene, ultra-high molecular weight polyethylene, acrylic, etc. Made of high-quality film, it has excellent breathability, moisture permeability, and water resistance. It also has high breathability.

[0009] The inner cover 22 is made of resin such as polypropylene, and has a front surface. It is disposed close to and parallel to the back surface of the lens 2. This inner cover 22 is The vehicle lamp 1, the step of the inner lens 23, or the inner lens 23 or the rift This is a screw for mounting the reflector or is provided to hide the end of the reflector. , the entire front surface is vapor-deposited with aluminum, and like the front lens 2, it can be used as a light fixture. It is fixed to the body 1 with screws 30 and sealant 6 (FIG. 6).

0010 The inner lens 23 has a back surface made of amber-colored translucent resin. It is formed into an open cylindrical shape and covers the front turn signal lamp bulb 7. A plurality of screw mounting portions 28 integrally protrude from the rear end of the outer peripheral surface are attached to the screws 2. 9 is fixed to the inner surface of the lamp body 1.

[0011] The reflector 24 may be formed of a metal plate, resin, etc. and curved into a parabolic shape. Therefore, the inner surface is formed into a paraboloid of revolution reflection surface by vacuum evaporation of aluminum, etc. - The lens 23 is fitted and held on the outer periphery of the lens 23. For this reason, reflector 2 An opening 31 into which the inner lens 23 fits is formed at the rear top portion of the lens 4 . Also , the reflector 24 is attached to the inner lens 23 with two screws 33 (FIG. 2), The focal position P (Fig. 1) of the parabolic reflection surface of revolution is aligned with the filament 34 of the bulb 7. Let it be fixed. Therefore, the light is emitted from the bulb 7 and hits the reflector 24. The reflected light becomes parallel light rays parallel to the optical axis of the reflector 24 and enters the front lens. 2.

0012 Conventionally, the mounting structure for the reflector 24 is a caulking boss on the inner surface of the lamp body 1. After positioning the reflector using this caulking boss, it is caulked and fixed. Therefore, the protruding direction of the caulking boss was changed from the mold cutting method of the lamp body during molding. However, there was a problem in that mold production was restricted due to the need to match the direction. Assemble the reflector 24 directly to the inner lens 23 and secure it with screws as described. This eliminates the need for caulking bosses and allows the direction of mold removal of the lamp body during molding (in this example). In the case of a lamp body in This has the advantage that the shape of the implement body 1 can be simplified.

[0013] The front turn signal lamp 40 having such a configuration is as described above. It is arranged adjacent to the headlamp 26 and is attached to the headlamp by the bracket 41. It is connected and fixed to the pipe 26. The bracket 41 is formed of a metal plate, and has one end 41a is a mounting portion 4 provided on the top surface of the lamp body 1 as shown in FIGS. 2, 3, and 7. 2 with a screw 43, and the other end 41b is attached to the lamp body of the headlamp 26. It is similarly fixed to a mounting portion 44 protruding from the top surface with a screw 45. The above The attaching portion 44 is provided with a frame portion 44A having a U-shape in plan view and protruding from the center of the inside of the frame portion 44A. A threaded mounting portion 47 with a threaded hole 46 formed on the tip end surface and an inner surface of the frame portion 44A are connected to each other. It is composed of a plurality of ribs, for example, three ribs 48a to 48c that connect the outer periphery of the same mounting portion 44. The height of the screw mounting portion 47 and the ribs 48a to 48c is the same as that of the bracket 41. It is set lower than the upper surface of the frame portion 44A by the thickness of the plate. Also, three ribs 48 The upper surface of one of a to 48c (rib 48a) and the end opposite to the screw attachment part 47 side A notch 49 for preventing rotation is formed in the. The other end of the bracket 41 41b has a size that can fit into the frame portion 44A, and has a screw mounting hole 5 in the center. 0 is formed corresponding to the screw hole 46, and the center of the tip is bent downward at a substantially right angle. A bent piece 51 for preventing rotation is integrally provided. Headlamp 26 and flap When connecting and fixing the front turn signal lamp 40 with the bracket 41, , attach one end 41a of the bracket 41 to the mounting part 42 of the lamp body 1 with a screw 43. The other end portion 41b is fitted into the frame portion 44A from above, and at the same time the rotation prevention fold is inserted. Insert the curved piece 51 into the notch 49, and then insert the screw 45 through the screw mounting hole 50. By screwing into the same hole 46, both lamps can be integrally connected. In this case, the other end portion 41b of the bracket 41 is fitted into the frame portion 44A and rotated. Since rotation is prevented by the engagement of the rotation prevention bending piece 51 and the notch 49, There is no need to hold the bracket 41 with one hand when tightening the screw 45, making tightening easier. Easy to work with. Note that instead of providing the mounting portion 44 on the top surface of the lamp body of the headlamp 26, The mounting part 42 is provided on the front turn signal lamp 40 and the mounting part 42 is attached to the headlamp 26. Of course, it may be provided on the upper surface of the body.

[0014] Thus, in a vehicle lamp having such a configuration, the ventilation hole 10 is connected to a valve. Since it is formed on the outer circumferential surface of the socket plug attachment part 25 closest to The heat around the lamp can be effectively dissipated to the outside through the ventilation hole 10, and the temperature inside the lamp can be increased. can be prevented from increasing. Therefore, the lamp body 1, the inner lens 23, It is possible to prevent thermal deformation of the reflector 24, etc., and provide a lamp with excellent heat resistance. can be done. In addition, the communication pipe 11 is provided protruding from the outer peripheral surface of the socket plug mounting portion 25. This prevents the cover tube 12 from protruding to the rear of the lamp, making it possible to reduce the thickness of the lamp. The space behind the lamp can be used effectively.

[0015] Note that the above embodiment is applied to the front turn signal lamp 40. However, the present invention is not limited to this, and can be applied to other lighting devices such as taillights. Of course, it can be implemented as is.

[0016]

[Effect of the idea]

As explained above, according to the vehicle lamp according to the present invention, the inside and outside of the lamp body are connected. A ventilation hole is provided on the outer circumferential surface of the socket plug mounting part, so that the valve and the ventilation hole are connected. can be considered as the shortest distance, therefore, the distance near the bulb when the bulb is lit is Heat can be effectively dissipated to the outside, and heat deformation of the lamp body can be prevented. Wear. In addition, the cover tube connected to the ventilation hole does not protrude to the rear of the light fixture. Its practical effects include a thinner design and the ability to use more space behind the light. It's large.

[Brief explanation of drawings]

[Fig. 1] Fig. 2 showing an embodiment of a vehicle lamp according to the present invention.
FIG.

FIG. 2 is a front view.

FIG. 3 is a plan view.

FIG. 4 is a side view.

FIG. 5 is a sectional view taken along the line V-V in FIG. 2;

FIG. 6 is a sectional view taken along the line VI-VI in FIG. 4;

FIG. 7 is an exploded perspective view showing a bracket fixing structure.

FIG. 8 is a sectional view showing a conventional example of a vehicle lamp.

[Explanation of symbols]

1 Light body 2 Front lens 3 Seal legs 4 Lens mounting part 5 Seal groove 10 Vent hole 11 Communication pipe 12 Cover tube 25 Socket plug mounting part

Claims (1)

[Scope of utility model registration request] Claim 1: A socket plug attachment part is provided protrudingly at an appropriate location on the back of the lamp body, a ventilation hole is formed on the outer peripheral surface of the socket plug attachment part to communicate the inside and outside of the lamp body, and a cover tube is inserted into the ventilation hole. A vehicle lamp characterized in that one end is connected.