JP2008059862A - Vehicle lighting - Google Patents

Abstract

In a conventional vehicular lamp, an LED of a light source is not compatible with an incandescent bulb such as an S bulb of an existing vehicular lamp.
A lamp housing 2 and a lamp lens 3, a socket portion 4 to which a cap portion 15 of an incandescent bulb 14 is detachably attached by rotary assembly and electrically connected, and a light source unit 5 are provided. The light source unit 5 includes a semiconductor-type light source 31, a light source housing 32, and a base part 34 having substantially the same structure as the base 15 of the incandescent bulb 14. On the surface of the light source housing 31 that faces the socket portion 4, when the light source unit 5 is attached to the socket portion 4, it hits the socket portion 4 and reduces backlash and vibration blur on the socket portion 4 of the light source unit 5. A boss portion for vibration resistance is provided.
[Selection] Figure 3

Description

  The present invention relates to a vehicular lamp using a semiconductor-type light source as a light source. In particular, the present invention is, for example, a side marker lamp mounted on the side of a truck, and the light source unit composed of a semiconductor-type light source is compatible with an incandescent bulb, and the light source unit has less play and vibration blur. The present invention relates to a vehicular lamp that can be securely attached.

  Conventionally, this type of vehicle lamp, that is, a vehicle lamp such as a side marker lamp mounted on the side of a truck using a semiconductor-type light source such as an LED as a light source has been conventionally used (for example, Patent Document 1 and Patent Document 2). ). Hereinafter, a conventional vehicle lamp will be described. In the former conventional vehicular lamp, a lamp chamber is partitioned by a stationary ring and a cover lens, and an LED or the like is arranged in the lamp chamber. Light is irradiated to the outside through the cover lens. On the other hand, in the latter conventional vehicular lamp, a lamp chamber is defined by a bottom plate and a cover lens, and an LED or the like is arranged in the lamp chamber. Light is irradiated to the outside through the cover lens.

  However, the conventional vehicular lamp has a problem that the LED of the light source is not compatible with an incandescent bulb such as the S bulb of the existing vehicular lamp.

JP 2004-155389 A Utility Model Registration No. 3111283

  The problem to be solved by the present invention is that in the conventional vehicle lamp, the LED of the light source is not compatible with an incandescent bulb such as an S bulb of an existing vehicle lamp.

  The present invention (invention according to claim 1) is provided with a lamp housing and a lamp lens that define a lamp chamber, and the lamp housing, and a cap portion of an incandescent bulb is detachably attached by rotary incorporation, and A socket part that is electrically connected; and a light source unit disposed in the lamp chamber, wherein the light source unit includes one or more semiconductor-type light sources, and a light source housing that holds the semiconductor-type light sources, A base part that is provided in the light source housing and supplies power to the semiconductor-type light source. The base part of the light source unit has substantially the same structure as the base part of the incandescent bulb, and faces the socket part of the light source housing. On the surface, when the light source unit is attached to the socket part, it hits the socket part and reduces play and vibration blur on the socket part of the light source unit. Those boss for preventing excessive looseness and vibration is provided, characterized in that.

  In addition, the present invention (invention according to claim 2) is characterized in that it has a conical shape whose apex is where the boss portion hits the socket portion, and the apex of the boss portion has a spherical shape.

  Further, according to the present invention (the invention described in claim 3), the light source housing is provided with a stopper portion that stops the rotation of the light source unit by contacting the socket portion when the light source unit is rotated and attached to the socket portion. It is characterized by that.

  In the vehicular lamp according to the present invention (the invention described in claim 1), the light source unit composed of a semiconductor-type light source is compatible with the incandescent bulb by means for solving the above-mentioned problems. Moreover, in the vehicular lamp according to the present invention (invention of the first aspect), when the light source unit is attached to the socket portion, the boss portion for rattling and vibration resistance hits the socket portion and the socket portion of the light source unit is against the socket portion. Play and vibration blur can be reduced. As a result, the vehicular lamp of the present invention (the invention according to claim 1) can securely attach the light source unit to the socket part, and can minimize damage to parts due to play and vibration blur. , Durability is improved.

  Further, the vehicle lamp of the present invention (the invention described in claim 2) is provided with a conical boss portion when the light source unit is rotated and attached to the socket portion by means for solving the above-mentioned problems. Until the apex hits the socket portion, the inclined side surface of the conical boss portion hits the socket portion to serve as a guide. For this reason, the vehicular lamp according to the present invention (the invention according to claim 2) can securely and smoothly attach the light source unit to the socket portion even if there is some variation in the manufacturing dimensional accuracy of the parts. .

  In addition, the vehicular lamp according to the present invention (invention of claim 2) cannot sufficiently secure the area of the portion of the boss portion that contacts the socket portion due to the inclined side surface for the guide. When the boss portion has a high-strength conical shape, the apex of the conical boss portion hits the socket portion, and it is possible to sufficiently secure the backlash against vibrations and vibration shaking and the vibration-proof holding force. Moreover, in the vehicular lamp of the present invention (the invention according to claim 2), a high load (high tension) is applied to the apex of the conical shaped boss part by making the apex of the conical shaped boss part spherical. Even if it is applied, the high load can be dispersed, and the durability of the parts is improved.

  Further, the vehicular lamp according to the present invention (the invention according to claim 3) can be securely attached to a predetermined position by rotating the light source unit to the socket portion by means for solving the above-mentioned problems. Further, it is possible to prevent damage to parts due to excessive rotation of the light source unit.

  Embodiments of a vehicular lamp according to the present invention will be described below in detail with reference to the drawings. Note that the present invention is not limited to the embodiments.

  Hereinafter, the configuration of the vehicular lamp in this embodiment will be described. The vehicular lamp 1 in this embodiment includes a lamp housing 2, a lamp lens 3, a socket portion 4, and a light source unit 5.

  The lamp housing 2 is made of an insulating member, for example. As shown in FIGS. 2, 3, and 7 to 14, the lamp housing 2 has a shallow concave section with one (upper surface) opened and the other (lower surface) closed. A screw portion 6 is provided on the outer peripheral surface of the lamp housing 2. A cylindrical portion 7 is integrally provided at the center of the upper surface of the lamp housing 2. Two grooves 8 are provided symmetrically in the circumferential direction on the inner peripheral surface of the opening of the cylindrical portion 7. A small circular through hole 9 is provided in the center of the lamp housing 2.

  The lamp lens 3 is made of a light transmissive member, in this example, colored glass. As shown in FIGS. 1 to 3, the lamp lens 3 has a concave shape with a deep bottom, ie, a cover or a cap shape, with one (lower surface) opened and the other (side surface to upper surface) closed. On the outer peripheral surface of the opening of the lamp lens 3, a flange 10 is provided integrally.

  The lamp housing 2 and the lamp lens 3 are detachably and watertightly attached by a fixed rim 11. As shown in FIGS. 1 to 3, the fixed rim 11 has an annular shape. A screw hole 12 is provided in the lower part of the inner peripheral surface of the fixed rim 11. On the other hand, a pressing portion 13 is provided on the upper portion of the fixed rim 11. In a state where the lower end surface of the flange portion 10 of the lamp lens 3 is set on the upper end surface of the opening portion of the lamp housing 2, the screw portion 6 of the lamp housing 2 and the screw hole portion 12 of the fixed rim 11 And the flange portion 10 of the lamp lens 3 is pressed against the lamp housing 2 by the pressing portion 13 of the fixed rim 11, so that the lamp housing 2 and the lamp lens 3 are Is detachably and watertightly attached.

  The socket part 4 is provided in the lamp housing 2. The socket part 4 attaches and detaches a base part 15 of an incandescent bulb 14 such as an S bulb of an existing vehicle lamp by detachable attachment. The base portion 15 of the incandescent bulb 14 has a cylindrical shape that can be inserted into the opening of the cylindrical portion 7 as shown in FIG. Two pins 17 that can be inserted into the groove portion 8 of the cylindrical portion 7 are provided symmetrically on the outer peripheral surface of the base portion 15. Further, a terminal portion 18 is provided on the lower surface of the base portion 15 via an insulating member.

  The socket portion 4 has a flat metal type socket structure, and as shown in FIGS. 2, 3, and 7 to 14, the cylindrical portion 7 having the groove portion 8 of the lamp housing 2 and a bracket 19. And the power feeding unit 20.

  The bracket 19 is made of a flat metal plate as a conductive member. The bracket 19 includes a convex portion 21 that covers the cylindrical portion 7 from above, and a fixed plate portion 22 that is integrally extended from the left and right sides of the convex portion 21 and is fixed to the lamp housing 2. Become. The top plate of the convex portion 21 is provided with a circular hole portion 23 that is substantially equivalent to the opening portion of the cylindrical portion 7. Two recesses 24 are provided on the edge of the hole 23 in correspondence with one end of the groove 8 and symmetrically. A stopper claw 25 is formed at one edge of the recess 24 by bending downward by a dimension T1. The stopper claw portion 25 prevents the incandescent bulb 14 that is detachably attached to the socket portion 4 by rotational assembly from falling off the socket portion 4. That is, when the cap part 15 of the incandescent bulb 14 that is detachably attached to the socket part 4 by rotation is rotated in the direction opposite to the attaching rotation direction, the pin 17 is attached to the stopper claw part 25. It is possible to prevent the concave portion 24 from coming off.

  The width dimension of the recess 24 of the bracket 19 is such a dimension that the pin 17 of the incandescent bulb 14 can be inserted. The vertical dimension of the groove 8 is a dimension that allows the pin 17 to pass under the stopper claw 25. Furthermore, the circumferential length of the groove portion 8 is such a size that the cap portion 15 of the incandescent bulb 14 can be detachably attached to the socket portion 4 by rotation. The step portion at the other end of the groove portion 8 is a stopper step portion 26. When the pin 17 hits the stopper step portion 26, the rotation of the cap portion 15 of the incandescent bulb 14 is restricted, and a sense of moderation in a state where the incandescent bulb 14 is attached to the socket portion 4 is obtained. .

  The power feeding unit 20 is a so-called insulator, and includes a harness 27, a + terminal 28, a disk-shaped insulating plate 29, and a spring 30. The positive terminal 28 is fixed to one end of the harness 27. The harness 27 is inserted through a small circular hole in the center of the insulating plate 29. The power feeding unit 20 is accommodated in the cylindrical part 7 of the socket part 4. The harness 27 is drawn out from the through hole 9 of the lamp housing 2 and is electrically connected to a power source (not shown) through a switch (not shown) or the like. On the other hand, the bracket 19 is grounded. As a result, when the terminal portion 18 of the incandescent bulb 14 is connected to the + terminal 28 and the pin 17 of the incandescent bulb 14 is connected to the bracket 19, the incandescent bulb 14 can be energized. It is in. In this state, when the switch is turned on, the incandescent bulb 14 is turned on, and when the switch is turned off, the incandescent bulb 14 is turned off.

  As shown in FIGS. 2 to 6, the light source unit 5 includes a semiconductor light source 31 such as an LED, a light source housing 32, a light source lens 33, and a base part 34.

  In this example, eight semiconductor-type light sources 31 are used. The semiconductor light source 31 is attached to a substrate (not shown) together with an electronic component (not shown). The semiconductor light source 31 is held by the light source housing 32 via a substrate.

  The light source housing 32 is made of an insulating member, for example. The light source housing 32 has a concave cross section with a shallow bottom opening with one (upper surface) open and the other (lower surface) closed. The light source lens 33 is made of a light transmissive member. The light source lens 33 has a concave shape with a deep bottom, that is, a cover or a cap shape, with one (lower surface) opened and the other (side surface to upper surface) closed. The light source housing 32 and the light source lens 33 are bonded and fixed by, for example, a seal adhesive. The semiconductor-type light source 31 is accommodated in a room defined by the light source housing 32 and the light source lens 33.

  In the center of the lower surface of the light source housing 32, the base part 34 is provided. The base part 34 of the light source unit 5 has substantially the same structure as the base part 15 of the incandescent bulb 14. That is, the base portion 34 of the light source unit 4 has a cylindrical shape that can be inserted into the opening of the cylindrical portion 7. Two pins 35 that can be inserted into the groove portion 8 of the cylindrical portion 7 are provided symmetrically on the outer peripheral surface of the base portion 34. Further, a terminal portion 36 is provided on the lower surface of the base portion 34 via an insulating member. The base part 34 and the terminal part 36 are electrically connected to the semiconductor-type light source 31 through the plated wire 16, the substrate and the electronic component.

  On the lower surface of the light source housing 32, that is, the surface of the socket portion 4 that faces the upper surface of the top plate of the convex portion 21 of the bracket 19, two boss portions 37 for backlash and vibration resistance are symmetrical. Is provided. The abutting boss portion 37 has a conical shape whose apex is a position where it hits the top surface of the top plate of the convex portion 21 of the bracket 19, and the apex of the abutting boss portion 37 has a spherical shape. As shown in FIGS. 2 and 14, the abutting boss portion 37 hits the upper surface of the top plate of the convex portion 21 of the bracket 19 when the light source unit 5 is attached to the socket portion 4. 5 to reduce the play and vibration blurring of the socket portion 4.

  Two stopper portions 38 are provided symmetrically on the lower surface of the light source housing 32, that is, the surface of the socket portion 4 that faces the upper surface of the top plate of the convex portion 21 of the bracket 19. The stopper portion 38 has a pin shape. When the light source unit 5 is rotated and attached to the socket portion 4, the stopper portion 38 abuts against the side surface of the top plate of the convex portion 21 of the bracket 19 to stop the rotation of the light source unit 5. is there.

  As shown in FIG. 14, the height dimension T2 of the abutting boss portion 37 is such that the lower surface of the light source housing 32 and the bracket of the socket portion 4 when the light source unit 5 is attached to the socket portion 4 by rotation. This is a dimension that is approximately the same as or slightly smaller than the clearance dimension T3 between the top surface of the 19 convex portions 21 (T2 ≦ T3). Further, the height T4 of the stopper portion 38 is such that the light source unit 5 is mounted on the socket portion 4 by being rotationally assembled, and the convex portion 21 of the bracket 19 of the socket portion 4 and the lower surface of the light source housing 32 are mounted. It is a dimension larger than the clearance dimension T3 between the upper surfaces of the top plates (T4> T3 + 2 mm). Furthermore, the bending dimension T1 of the stopper claw portion 25 is such that the light source unit 32 and the convex portion of the bracket 19 of the socket portion 4 when the light source unit 5 is attached to the socket portion 4 by being rotationally assembled. It is a dimension that is almost the same as or slightly smaller than the gap dimension T3 between the top surface of the top plate 21 (T2 ≦ T3 + 0.5 mm).

  The relative positional relationship between the boss portion 37 and the pin 35 of the light source unit 5 is determined from the position P1 where the pin 35 is inserted into the cylindrical portion 7 from the concave portion 24 of the socket portion 4. And the inclined side surface of the boss portion 37 does not hit the side surface of the top plate of the convex portion 21 of the bracket 19 until the pin 35 passes through the stopper claw portion 25 and reaches the position P2. It is a positional relationship. That is, when the inclined side surface of the boss portion 37 contacts the side surface of the top plate of the convex portion 21 of the bracket 19 between the position P1 and the position P2, the light source unit 5 contacts the socket portion 4. On the other hand, since the pin 35 moves upward, there is a possibility that the pin 35 may hit the stopper claw portion 25, so that the possibility is prevented.

  The relative positional relationship between the stopper portion 38 and the pin 35 of the light source unit 5 is a position P3 where the pin 35 abuts against the stopper step portion 26 of the groove portion 8, and the stopper portion 38 corresponds to the bracket 19. The convex portion 21 is in a positional relationship in contact with the side surface of the top plate. That is, it is for preventing the pin 35 from being detached from the stopper step portion 26 by rotating the light source unit 5 too much, and moderation feeling in a state where the light source unit 5 is attached to the socket portion 4. It is for obtaining more reliably.

  The vehicular lamp 1 according to this embodiment is configured as described above, and the operation thereof will be described below.

  First, how to attach the light source unit 5 to the socket portion 4 of the lamp housing 2 will be described. The base part 34 of the light source unit 5 is aligned with the opening of the cylindrical part 7 of the socket part 4, and the pin 35 of the base part 34 of the light source unit 5 is aligned with the concave part 24 of the bracket 19 of the socket part 4 (FIG. 8A). And FIG. 11). The base part 34 of the light source unit 5 is inserted into the opening part of the cylindrical part 7 of the socket part 4, and the pin 35 of the base part 34 of the light source unit 5 is inserted into the groove part 8 of the cylindrical part 7 of the socket part 4. At this time, as shown in FIG. 12, the terminal part 36 of the base part 34 of the light source unit 5 hits the + terminal 28 of the power feeding part 20 of the socket part 4, and the spring 30 of the power feeding part 20 is elastically deformed. Further, as shown in P <b> 1 in FIG. 5 and FIG. 8A, the inclined side surface of the boss portion 37 of the light source unit 5 is not in contact with the top plate of the convex portion 21 of the bracket 19.

  In this state, the light source unit 5 is rotated with respect to the socket part 4 in the direction indicated by the solid line arrow in FIG. At the position P2 where the pin 35 of the light source unit 5 passes from the position P1 in the groove 8 to the position P2, that is, the stopper claw portion 25, the inclined side surface of the boss portion 37 of the light source unit 5 is the top of the convex portion 21 of the bracket 19. It hits the side of the plate (see P2 in FIG. 5 and FIG. 8B).

  Further, the light source unit 5 is rotated with respect to the socket part 4 in a direction (clockwise) indicated by a solid line arrow in FIG. Then, the inclined side surface of the boss portion 37 climbs the side surface of the top plate of the convex portion 21 of the bracket 19, and the spherical apex of the boss portion 37 hits the upper surface of the top plate of the convex portion 21 of the bracket 19. (Refer to P4 in FIG. 5).

  Further, the light source unit 5 is rotated with respect to the socket portion 4 in a direction (clockwise direction) indicated by a solid line arrow in FIG. Then, the pin 35 reaches the position P3 in the groove portion 8, and the pin 35 hits the stopper step portion 26 of the groove portion 8. At almost the same time, the stopper portion 38 of the light source unit hits the side surface of the top plate of the convex portion 21 of the bracket 19 (see P3 in FIG. 5 and FIG. 8C). Thereby, rotation of the light source unit 5 is controlled. Here, when the hand is released from the light source unit 5, the light source unit 5 slightly floats from the socket portion 4 due to the elastic restoring force of the spring 30 that is elastically deformed, and the pin 35 rises in the groove portion 8 to project the bracket 19. It hits the lower surface of the top plate of the part 21 (see FIG. 13). Thus, the light source unit 5 is attached to the socket portion 4. In FIG. 5, the solid line arrow in the counterclockwise direction indicates the rotation direction for attaching the light source unit 5 to the socket portion 4, as in the solid line arrow in FIG. 9. In FIG. 5, P1, P2, P4, P3 and the clockwise solid line arrows indicate that the side surface of the top plate of the bracket 19 is displaced relative to the light source unit 5 as the light source unit 5 rotates. Indicates the state and direction.

  When removing the light source unit 5 from the socket part 4, the light source unit 5 is slightly pushed into the cylindrical part 7 of the socket part 4 against the force of the spring 30. In this state, the light source unit 5 is rotated with respect to the socket part 4 in the direction opposite to the solid line arrow direction in FIG. 9 (counterclockwise direction). When the pin 35 reaches the position P1 from the position P3 in the groove 8 through the position P2, the pin 35 is pulled out from the groove 8 through the recess 24 of the bracket 19. Thereby, the light source unit 5 is removed from the socket part 4.

  In a state where the light source unit 5 is attached to the socket portion 4 of the lamp housing 2, the lamp lens 3 is attached to the lamp housing 2 by the fixed rim 11. When the switch is turned on, the semiconductor light source 31 is turned on, and when the switch is turned off, the semiconductor light source 31 is turned off. When the vehicle lamp 1 according to this embodiment is used as, for example, a side marker lamp mounted on the side of a truck, the vehicle height and width of the truck are recognized by a driver or a passerby of another vehicle, and traffic safety is ensured. Can contribute.

  The vehicular lamp 1 according to this embodiment is configured and operated as described above, and the effects thereof will be described below.

  In the vehicular lamp 1 according to this embodiment, the light source unit 5 including the semiconductor-type light source 31 is compatible with the incandescent bulb 14. Moreover, in the vehicular lamp 1 according to this embodiment, when the light source unit 5 is attached to the socket part 4, the boss part 37 for rattling and vibration resistance hits the bracket 19 of the socket part 4 and the socket of the light source unit 5. It is possible to reduce the play and vibration blur on the portion 4. As a result, in the vehicular lamp 1 according to this embodiment, the light source unit 5 can be securely attached to the socket portion 4, damage to parts due to backlash and vibration blur can be suppressed to a minimum, and durability can be improved. Be improved. In particular, the light source unit 5 is larger and heavier than the incandescent bulb 14, but the light source unit 5 can be attached to the socket part 4 without looseness, so that the earthquake resistance of the attached state of the light source unit 5 is excellent. Yes.

  Further, in the vehicular lamp 1 according to this embodiment, when the light source unit 5 is rotated and attached to the socket part 4, until the apex of the conical abutting boss part 37 hits the bracket 19 of the socket part 4. The inclined side surface of the conical abutting boss portion 37 hits the side surface of the bracket 19 of the socket portion 4 to serve as a guide. For this reason, the vehicular lamp 1 according to this embodiment can securely and smoothly attach the light source unit 5 to the socket portion 4 even if there is some variation in the manufacturing dimensional accuracy of the parts.

  In addition, the vehicular lamp 1 according to this embodiment cannot secure a sufficient area of the portion of the socket 4 of the socket boss portion 37 that contacts the bracket 19 due to the inclined side surface for the guide. The portion 37 has a high-strength conical shape, so that the apex of the conical abutting boss portion 37 hits the bracket 19 of the socket portion 4 to sufficiently secure the backlash against vibration and vibration blur and the vibration-proof holding force. Can do. Moreover, the vehicular lamp 1 according to this embodiment has a spherical shape at the apex of the conical abutting boss portion 37, so that a high load (high tension) is applied to the apex of the conical abutting boss portion 37. The high load can be dispersed and the durability of the parts is improved.

  Furthermore, the vehicular lamp 1 according to this embodiment can be securely attached to a predetermined position by rotating the light source unit 5 to the socket portion 4 by the stopper portion 38, so that the component due to excessive rotation of the light source unit 5 is provided. Can be prevented in advance.

  Hereinafter, examples other than the above embodiment will be described. In the above-described embodiment, an example of use as a side marker lamp mounted on the side of a truck will be described. However, the present invention can be applied to lamps other than the side marker lamps, for example, lamps using incandescent bulbs such as clearance lamps and turn signal lamps.

It is a front view which shows the Example of the vehicle lamp concerning this invention. Similarly, it is a front view which shows the state which fractured | ruptured the lamp lens and the fixed rim. Similarly, it is an exploded front view showing a lamp housing, a lamp lens, a light source unit, a fixed rim, and an incandescent bulb. Similarly, it is a front view which shows the state which fractured | ruptured some light source housings and the light source lens of the light source unit. Similarly, it is a bottom view showing a light source unit. Similarly, it is a perspective view which shows the state which looked at the light source unit from diagonally downward. Similarly, it is a top view which shows a lamp housing and a socket part. Similarly, it is explanatory drawing which shows the relative positional relationship of a pin, this boss | hub part, and a stopper part. Similarly, it is explanatory drawing which shows the state which a pin moves in a groove part. Similarly, it is the XX line expanded view in FIG. Similarly, it is a partially enlarged view showing a state before the light source unit is inserted into the socket portion. Similarly, it is the elements on larger scale which show the state where the light source unit was inserted in the socket part. Similarly, it is a partially enlarged view showing a state in which the light source unit is attached to the socket portion. Similarly, it is explanatory drawing which shows the height dimension of this boss | hub part, the clearance gap between a nozzle | cap | die part and a bracket, and the height dimension of a stopper part.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Vehicle lamp 2 Lamp housing 3 Lamp lens 4 Socket part 5 Light source unit 6 Screw part 7 Cylindrical part 8 Groove part 9 Through-hole 10 Hook part 11 Fixed rim 12 Screw hole part 13 Press part 14 Incandescent bulb 15, 34 Cap part 16 Plating Lines 17 and 35 Pins 18 and 36 Terminal portion 19 Bracket 20 Power feeding portion 21 Convex portion 22 Fixing plate portion 23 Hole portion 24 Recessed portion 25 Stopper claw portion 26 Stopper step portion 27 Harness 28 + Terminal 29 Insulating plate 30 Spring 31 Semiconductor light source 32 Light source housing 33 Light source lens 37 Current boss 38 Stopper T1 Bending dimension of stopper claw T2 Height of current boss T3 Distance between base and bracket T4 Height of stopper P1 Pin in groove Inserted position P2 pin passes through the stopper claw P3 pin is inserted Position when the vertex position P4 those boss falls Tsu Pas stepped portion hits the upper surface of the bracket

Claims (3)

In a vehicular lamp using a semiconductor-type light source as a light source,
A lamp housing and a lamp lens that partition the lamp chamber;
A socket portion provided in the lamp housing, wherein a cap portion of an incandescent bulb is detachably attached by rotation assembly and electrically connected;
A light source unit disposed in the lamp chamber;
With
The light source unit includes one or a plurality of semiconductor-type light sources, a light source housing that holds the semiconductor-type light sources, and a base portion that is provided in the light source housing and supplies power to the semiconductor-type light sources. And
The base part of the light source unit has substantially the same structure as the base part of the incandescent bulb,
The surface of the light source housing that faces the socket portion has a backlash stop that reduces backlash and vibration blur with respect to the socket portion of the light source unit by hitting the socket portion when the light source unit is attached to the socket portion. The boss for vibration resistance is provided.
A vehicular lamp characterized by the above.   2. The vehicular lamp according to claim 1, wherein the abutting boss portion has a conical shape with a vertex corresponding to the socket portion being formed, and the apex of the abutting boss portion has a spherical shape. .   The said light source housing is provided with the stopper part which contact | abuts to the said socket part and stops the rotation of the said light source unit when rotating and attaching the said light source unit to the said socket part. The vehicular lamp according to 1 or 2.

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