JP2010023807A - Lighting fixture for vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To prevent a lighting fixture body from falling from a vehicle body when load is applied to the lighting fixture body. <P>SOLUTION: A falling preventing part 17 for preventing the lighting fixture body 2 from falling from the vehicle body 3 by abutting of a distal end on an edge 6 of a recessed part 5 of the vehicle body 3 and a rib 7 when load is applied to the lighting fixture body 2 is provided in a mounting spring 4. As a result, the lighting fixture body 2 can be prevented from falling from the vehicle body 3 by the abutting of the distal end 26 of the falling preventing part 17 on the edge 6 of the recessed part 5 of the vehicle body 3 and the rib 7, when the load is applied to the lighting fixture body 2. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a vehicular lamp that attaches a lamp body to a vehicle body by a mounting spring.

  Conventionally, this kind of vehicle lamp is known (for example, Patent Document 1 and Patent Document 2). Hereinafter, a conventional vehicle lamp will be described. A conventional vehicular lamp includes a lamp body and a mounting spring that is fixed to the lamp body and attaches the lamp body to a vehicle body. In such a vehicular lamp, it is important that the lamp body does not fall off the vehicle body when a load acts on the lamp body. For example, in the case of a vehicular lamp with the lamp body attached to the back door, when the back door is strongly closed, a load is generated, and when the load acts on the lamp body, the lamp body does not fall off the back door. is important.

Japanese Utility Model Publication No. 61-100805 JP 2001-63459 A

  The problem to be solved by the present invention is that it is important that the lamp body does not fall off the vehicle body when a load acts on the lamp body.

  The present invention (invention according to claim 1) includes a lamp body and a mounting spring fixed to the lamp body and attaching the lamp body to the vehicle body, wherein the lamp body is housed in a recess of the vehicle body. And a lamp lens that partitions the lamp chamber together with the lamp housing, and a light source disposed in the lamp chamber, and a fixing portion at one end where the mounting spring is fixed to the lamp housing, and an intermediate portion A folding part, an elastic contact part of the other end part that elastically contacts the edge of the recess of the vehicle body and attaches the lamp body to the vehicle body, and the other end part closer to the folded part than the elastic contact part, And a drop-off prevention unit that prevents the lamp body from falling off the vehicle body by contacting the edge of the recess of the vehicle body when a load is applied to the lamp body.

  Moreover, this invention (invention of Claim 2) is characterized in that the drop-off prevention part protrudes on the opposite side to the fixed part with respect to the part between the folded-back part and the elastic contact part. .

  Further, the present invention (invention according to claim 3) is characterized in that the tip of the drop-off preventing portion has a curved shape that curves toward the fixed portion side.

  Furthermore, the present invention (invention according to claim 4) is characterized in that the tip of the drop-off preventing portion comes into contact with an edge of the recess of the vehicle body and a rib provided in the recess of the vehicle body.

  The vehicular lamp according to the present invention (the invention according to claim 1) is configured such that the lamp housing of the lamp body is housed in the recess of the vehicle body, and the elastic contact portion of the mounting spring is elastically contacted with the edge of the recess of the vehicle body. By doing so, the lamp body can be attached to the vehicle body. Moreover, in the vehicular lamp of the present invention (the invention according to claim 1), when a load is applied to the lamp body, the tip of the drop-off preventing portion of the mounting spring comes into contact with the edge of the recess of the vehicle body. It can be prevented from falling off the vehicle body. For example, in the case of a vehicle lamp with the lamp body attached to the back door, a load is generated when the back door is strongly closed, and the lamp body falls off the back door when the load acts on the lamp body. Can be prevented. Or, in the case of a vehicle lamp with the lamp body attached to the side door, a load is generated when the curtain airbag is activated, and the lamp body falls off the back door when the load acts on the lamp body. Can be prevented.

  Further, in the vehicular lamp according to the present invention (the invention according to claim 2), the drop-off preventing portion is opposite to the fixed portion with respect to the portion between the folded portion and the elastic contact portion, that is, the concave portion of the vehicle body. Since it protrudes to the edge side, the part where the tip of the drop-off prevention part comes into contact with the edge of the recess of the vehicle body (contacting allowance or catching allowance) increases, and it is more certain that the lamp body will drop off from the vehicle body accordingly. Can be prevented.

  Furthermore, the vehicular lamp according to the present invention (invention of claim 3) has a curved shape in which the tip of the drop-off prevention portion curves toward the fixed portion, so the tip of the drop-off prevention portion has a curved shape. It contacts the edge of the recess. As a result, the vehicular lamp of the present invention (the invention according to claim 3) is configured such that when the tip of the curved shape of the drop-off preventing portion comes into contact with the edge of the concave portion of the vehicle body, There is no risk of damaging the edges. In addition, when the drop-off prevention part protrudes on the opposite side to the fixed part with respect to the portion between the folded part and the elastic contact part, when the elastic contact part elastically contacts the edge of the recess of the vehicle body, There is no risk of damaging the edge of the recess of the vehicle body at the tip of the drop-off prevention portion.

  Furthermore, in the vehicular lamp according to the present invention (invention of claim 4), when a load is applied to the lamp main body, the tip of the drop-off prevention portion is provided on the edge of the recess of the vehicle body and the rib provided on the recess of the vehicle body. Therefore, it is possible to prevent the tip of the drop-off preventing portion from being deformed to the side opposite to the fixed portion, that is, the edge side of the concave portion of the vehicle body. Moreover, when the drop-off prevention part protrudes on the opposite side of the fixed part with respect to the portion between the folded part and the elastic contact part, the tip of the drop-off prevention part comes into contact with the rib and deforms to the fixed part side. Therefore, compared with the case where the tip of the drop-off prevention part is at the edge of the recess of the vehicle body and the drop-off prevention part does not protrude on the opposite side to the fixed part with respect to the part between the folded-back part and the elastic contact part. Abut in a nearly vertical state. As a result, it is possible to further reliably prevent the lamp main body from falling off the vehicle body by reliably abutting the tip of the drop-off preventing portion against the edge of the recess of the vehicle body.

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

  FIGS. 1-13 shows Example 1 of the vehicle lamp concerning this invention. Hereinafter, the configuration of the vehicular lamp in the first embodiment will be described. The vehicle lamp 1 according to the first embodiment includes a lamp main body 2 and a mounting spring 4 that is fixed to the lamp main body 2 and attaches the lamp main body 2 to a vehicle body 3.

  The vehicle body 3 is, for example, a back door or a side door. The vehicle body 3 is provided with a recess 5 for accommodating the lamp body 2. The edge 6 of the recess 5 has a shape bent from the front side to the back side of the vehicle body 3. Reinforcing ribs 7 are provided on the edge 6 of the recess 5.

  The lamp body 2 is, for example, a map lamp. The lamp body 2 includes a lamp housing 8 housed in the recess 5 of the vehicle body 2, a lamp lens 10 that partitions the lamp chamber 9 together with the lamp housing 8, and a light source (not shown) disposed in the lamp chamber 9. Z)).

  At one end of the lamp housing 8, a step-shaped attachment portion 11 attached to the edge 6 of the recess 5 of the vehicle body 3 is integrally provided. On both sides of the other end portion of the lamp housing 8, an L-shaped rail-shaped fixing rib 12 and a fixing recess 13 for fixing the mounting spring 4 are provided.

  The mounting spring 4 includes a fixing portion 14 at one end, a folded portion 15 at an intermediate portion, an elastic contact portion 16 at the other end, and a drop-off preventing portion 17 at the other end.

  The fixed portion 14 at one end has a flat plate shape. The fixing portion 14 is provided with a tongue piece 18 cut and raised on the opposite side (outside) of the elastic contact portion 16 and the drop-off prevention portion 17 at the other end. The fixing portion 14 is fixed to the fixing rib 12 of the lamp housing 8, and the tongue piece 18 is fixed to the fixing recess 13 of the lamp housing 8.

  The folded portion 15 at the intermediate portion is bent into a substantially U shape or an inverted U shape.

  The middle of the other end portion of the mounting spring 4 is bent into a chevron shape that projects to the opposite side (outside) of the fixed portion 14 at one end portion. The tip of the other end of the mounting spring 4 is bent into a valley shape that is recessed toward the fixed portion 14 (inner side) at one end. Furthermore, the tip of the other end portion of the mounting spring 4 is bent to the opposite side (outside) of the fixed portion 14 at one end portion.

  The elastic contact portion 16 at the other end has a flat plate shape with an inclined surface between a peak and a valley. The elastic contact portion 16 elastically contacts the edge 6 of the recess 5 of the vehicle body 3 and attaches the lamp body 2 to the vehicle body 3.

  The drop-off preventing portion 17 at the other end is provided at the other end closer to the folded portion 15 than the elastic contact portion 16. In other words, the drop-off prevention portion 17 at the other end is provided by cutting and raising the central portion of both sides of the mountain to the opposite side (outside) of the fixing portion 14 at the one end. When the load is applied to the lamp body 2, the drop-off prevention part 17 comes into contact with the edge 6 of the recess 5 and the rib 7 of the vehicle body 3 so that the lamp body 2 is dropped from the vehicle body 3. Is to prevent.

  The drop-off prevention portion 17 protrudes on the opposite side of the fixing portion 14 with respect to the portion between the folded portion 15 and the elastic contact portion 16. Further, the tip 26 of the drop-off preventing part 17 has a curved shape that curves toward the fixed part 14 side.

  The vehicular lamp 1 according to the first embodiment is configured as described above. Hereinafter, a method of mounting the lamp body 2 to the vehicle body 3 by the mounting spring 4 will be described.

  First, as shown in FIG. 4, one end portion side of the lamp housing 8 of the lamp body 2 is housed in the recess 5 of the vehicle body 3, and the attachment portion 11 at one end portion of the lamp housing 8 of the lamp body 2 is attached to the vehicle body 3. It engages with the edge 6 of the recess 5. The other end side of the lamp housing 8 of the lamp body 2 is rotated in the direction of the solid line arrow in FIG. 4 and stored in the recess 5 of the vehicle body 3 with the engaging portion of the mounting portion 11 and the edge 6 as a fulcrum. Then, the drop-off prevention portion 17 comes into contact with the edge 6 of the recess 5 of the vehicle body 3 from the other end portion of the attachment spring 4.

  Further, the other end side of the lamp housing 8 of the lamp body 2 is rotated in the direction of the solid arrow in FIG. 4 against the elastic force of the mounting spring 4. Then, the other end of the mounting spring 4 is elastically deformed from a state indicated by a solid line in FIG. 8 (a normal state of the mounting spring 4) to a state indicated by a two-dot chain line (a state in which the mounting spring 4 is most elastically deformed). . Note that reference numeral “19” in FIG. 8 indicates the amount of elastic deformation.

  Here, as shown in FIGS. 5 and 9, the tip 26 of the drop-off prevention portion 17 of the mounting spring 4 reaches the edge 6 of the recess 5 of the vehicle body 3. Then, the other end portion of the mounting spring 4 is elastically deformed into a state indicated by a two-dot chain line in FIG.

  Then, the tip 26 of the drop-off preventing portion 17 of the mounting spring 4 gets over the edge 6 of the recess 5 of the vehicle body 3. Then, the elastic contact portion 16 of the inclined surface of the mounting spring 4 is elastically contacted with the edge 6 of the recess 5 of the vehicle body 3, and the engagement portion between the mounting portion 11 and the edge 6 is supported by the elastic return force of the mounting spring 4. As shown in FIG. 5, the other end portion of the lamp housing 8 of the lamp body 2 rotates in the direction indicated by the solid line in FIG.

  As a result, as shown in FIGS. 6 and 10, the elastic contact portion 16 of the attachment spring 4 is elastically contacted with the edge 6 of the recess 5 of the vehicle body 3, and the lamp body 2 is attached to the vehicle body 3. At this time, the lamp housing 8 of the lamp body 2 is housed in the recess 5 of the vehicle body 3, while the lamp lens 10 of the lamp body 2 covers the edge 6 of the recess 5 of the vehicle body 3. 10 indicates a gap between the tip 26 of the drop-off preventing portion 17 of the mounting spring 4 and the rib 7 of the concave portion 5 of the vehicle body 3.

  The vehicular lamp 1 according to the first embodiment is configured as described above. Hereinafter, the prevention of the lamp body 2 from falling off the vehicle body 3 will be described.

  When the lamp body 2 is attached to the vehicle body 3 (see FIGS. 6 and 10) when the elastic contact portion 16 of the mounting spring 4 is elastically contacted with the edge 6 of the recess 5 of the vehicle body 3 (see FIGS. 6 and 10). A load in the direction of the solid arrow in FIG. Then, against the elastic restoring force of the mounting spring 4, the other end of the lamp housing 8 of the lamp body 2 rotates in the direction of the solid line arrow in FIG. Then, it tries to drop out from the recess 5 of the vehicle body 3.

  Then, as shown in FIGS. 7, 11, and 12, the tip 26 of the drop-off prevention portion 17 of the mounting spring 4 comes into contact with the edge 6 and the rib 7 of the recess 5 of the vehicle body 3. As a result, the lamp body 2 is prevented from falling off the vehicle body 3. Note that the reference numeral “21” in FIG. 11 indicates a state in which there is no gap between the tip 26 of the drop-off prevention unit 17 and the rib 7 of the vehicle body 3 (zero touch state), that is, the tip 26 of the drop-off prevention unit 17 The state which contact | abuts to the rib 7 of the vehicle body 3 is shown.

  The vehicular lamp 1 according to the first embodiment is configured as described above. Hereinafter, a method of removing the lamp main body 2 from the vehicle body 3 will be described.

  When using the vehicular lamp 1 according to the first embodiment, the light source of the lamp body 2 may be replaced. In this case, it is necessary to remove the lamp body 2 from the vehicle body 3. First, the other end side of the lamp lens 10 of the lamp body 2 is grasped with a hand or the like (not shown), and the engaging portion between the mounting portion 11 and the edge 6 is supported as a fulcrum against the elastic return force of the mounting spring 4. Then, the other end portion side of the lamp body 2 is rotated in the direction of the solid line arrow in FIG.

  Then, as described above, as shown in FIG. 7, FIG. 11, and FIG. 12, the tip 26 of the drop-off preventing portion 17 of the mounting spring 4 comes into contact with the edge 6 and the rib 7 of the recess 5 of the vehicle body 3. In this state, a tool 22 such as a scale is inserted into the recess 5 of the vehicle body 3 through the gap between the lamp body 2 and the vehicle body 3, and the other end of the mounting spring 4 is pushed in the direction of the solid line arrow in FIG.

  Then, as shown in FIG. 13, the edge 6 of the recess 5 of the vehicle body 3 and the tip 26 of the drop-off prevention portion 17 of the mounting spring 4 in contact with the rib 7 are disengaged from the edge 6 of the recess 5 of the vehicle body 3. In this state, the lamp body 2 can be detached from the vehicle body 3 by pulling the lamp body 2 in the direction of the solid line arrow in FIG.

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

  In the vehicular lamp 1 according to the first embodiment, when a load is applied to the lamp body 2 attached to the vehicle body 3 by the attachment spring 4, the tip 26 of the drop-off prevention portion 17 of the attachment spring 4 is formed in the recess 5 of the vehicle body 3. Since it abuts against the edge 6, it is possible to prevent the lamp body 2 from falling off the vehicle body 3. For example, in the case of a vehicular lamp in which the lamp body 2 is attached to a back door (vehicle body 3), when the load is generated when the back door is strongly closed and the load acts on the lamp body 2, the lamp body 2 Can be prevented from falling off the back door (vehicle body 3). Alternatively, in the case where the lamp body is a vehicle lamp attached to the side door (vehicle body 3), when the curtain airbag is activated, a load is generated, and when the load acts on the lamp body 2, the lamp body 2 is It can be prevented from falling off the back door (vehicle body 3).

  Further, the vehicular lamp 1 according to the first embodiment has a curved shape in which the tip 26 of the drop-off prevention portion 17 curves toward the fixed portion 14 side. It contacts the edge 6 of the recess 56. As a result, in the vehicular lamp 1 according to the first embodiment, when a load is applied to the lamp main body 2, the curved tip 26 of the drop-off prevention unit 17 comes into contact with the edge 6 and the rib 7 of the recess 5 of the vehicle body 3. In addition, there is no possibility of damaging the edge 6 and the rib 7 of the recess 5 of the vehicle body 3 at the tip 26 of the drop-off preventing portion 17. In addition, as in the first embodiment, when the drop-off prevention portion 17 protrudes on the opposite side of the fixed portion 14 with respect to the portion between the folded portion 15 and the elastic contact portion 16, the elastic contact portion 16. 5 and FIG. 9, even if the tip 26 of the drop-off preventing portion 17 comes into contact with the edge 6 of the recess 5 of the vehicle body 3, There is no possibility that the edge 6 of the third recess 5 is damaged by the tip 26 of the drop-off preventing portion 17.

  Further, in the vehicle lamp 1 according to the first embodiment, when a load is applied to the lamp main body 2, the tip 26 of the drop-off prevention portion 17 contacts the edge 6 of the recess 5 of the vehicle body 3 and the rib 7. It is possible to prevent the tip 26 of 17 from deforming in the direction of the arrow 23 in FIG. Moreover, in the case where the drop-off prevention portion 17 protrudes on the opposite side of the fixed portion 14 with respect to the portion between the folded portion 15 and the elastic contact portion 16 as in the first embodiment, the solid line in FIG. 2, the tip 26 of the drop-off prevention part 17 abuts against the rib 7 and deforms toward the fixing part 14, so that the tip 26 of the drop-off prevention part 17 is placed on the edge 6 of the recess 5 of the vehicle body 3. Compared with the case where the portion between the folded portion 15 and the elastic contact portion 16 does not protrude to the opposite side of the fixed portion 14 (indicated by the two-dot chain line in FIG. 12), As shown by the solid line arrows and the two-dot chain line arrows, they abut in a substantially vertical state. As a result, the front end 26 of the drop-off prevention part 17 can be surely brought into contact with the edge 6 of the recess 5 of the vehicle body 3, and the lamp body 2 can be further reliably prevented from falling off the vehicle body 3.

  FIG. 14 shows Example 2 of a vehicular lamp according to the present invention. Hereinafter, the configuration of the vehicular lamp in the second embodiment will be described. The vehicular lamp according to the second embodiment is configured such that the lamp body 2 is attached to the edge 6 of the concave portion 5 of the vehicle body 3 that is not provided with a rib by the attachment spring 4. As described above, the reinforcing rib may or may not be provided on the edge 6 of the recess 5 of the vehicle body 3 depending on the vehicle.

  The vehicular lamp in the second embodiment can achieve substantially the same operational effects as the vehicular lamp 1 in the first embodiment. In particular, since the vehicular lamp according to the second embodiment does not have ribs on the edge 6 of the recess 5 of the vehicle body 3, the structure of the edge 6 of the recess 5 of the vehicle body 3 is simple. The manufacturing cost of the edge 6 is low.

  Further, in the vehicular lamp according to the second embodiment, the drop-off prevention portion 17 is opposite to the fixed portion 14 with respect to the portion between the turn-back portion 15 and the elastic contact portion 16, that is, the edge of the concave portion 5 of the vehicle body 3. 14, as shown by a solid line in FIG. 14, a portion (abutment allowance or catch allowance) 24 where the tip 26 of the dropout prevention portion 17 abuts against the edge 6 of the recess 5 of the vehicle body 3 is Compared with 25 when the drop-off prevention part 17 does not protrude to the opposite side of the fixed part 14 with respect to the part between the folded-back part 15 and the elastic contact part 16 (indicated by a two-dot chain line in FIG. 14). Therefore, it is possible to more reliably prevent the lamp body 2 from falling off the vehicle body 3 accordingly.

  Hereinafter, examples other than the first and second embodiments will be described. In the first and second embodiments, the drop prevention portion 17 is on the side opposite to the fixed portion 14 with respect to the portion between the folded portion 15 and the elastic contact portion 16, that is, the edge 6 side of the recess 5 of the vehicle body 3. It is something that protrudes. However, in the present invention, the drop-off prevention portion 17 does not protrude on the opposite side of the fixed portion 14 with respect to the portion between the turn-back portion 15 and the elastic contact portion 16, that is, the drop-off prevention portion 17 does not protrude. And the elastic contact portion 16 may be on the same plane. In this case, the drop prevention part 17 is positioned on the same plane as the part between the folded part 15 and the elastic contact part 16, so that the structure is simple and the manufacturing cost is reduced accordingly.

It is a perspective view which shows Example 1 of the vehicle lamp concerning this invention. Similarly, it is a partial perspective view which shows the state which attached the lamp main body to the vehicle body with the attachment spring. Similarly, it is a partial perspective view showing a state in which the tip of the drop-off prevention portion of the mounting spring is in contact with the edge and rib of the recess of the vehicle body to prevent the lamp body from falling off the vehicle body. Similarly, it is explanatory drawing which shows the state which attaches a lamp main body to a vehicle body. Similarly, it is explanatory drawing which shows the state which attaches a lamp main body to a vehicle body. Similarly, it is explanatory drawing which shows the state by which the lamp main body is attached to the vehicle body by the attachment spring. Similarly, it is explanatory drawing which shows the state which the front-end | tip of the drop-off prevention part of an attachment spring contact | abuts to the edge and rib of the recessed part of a vehicle body, and it prevents that a lamp main body falls off from a vehicle body. Similarly, it is explanatory drawing which shows the elastic deformation amount of a mounting spring. Similarly, it is explanatory drawing which shows the state which the attachment spring has elastically deformed most. Similarly, it is explanatory drawing of the principal part which shows the state by which the lamp main body is attached to the vehicle body by the attachment spring. Similarly, it is explanatory drawing of the principal part which shows the state which the front-end | tip of the fall prevention part of a mounting spring contact | abuts to the edge and rib of the recessed part of a vehicle body, and it has prevented that a lamp main body falls off from a vehicle body. Similarly, it is an enlarged explanatory view of a main part showing a state in which the tip of the drop-off prevention portion of the mounting spring is in contact with the edge and rib of the recess of the vehicle body to prevent the lamp body from falling off the vehicle body. Similarly, it is explanatory drawing of the principal part which shows the state which removes a lamp main body from a vehicle body. It is explanatory drawing of the principal part which shows Example 2 of the vehicle lamp concerning this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Vehicle lamp 2 Lamp body 3 Car body 4 Mounting spring 5 Recess 6 Edge 7 Rib 8 Lamp housing 9 Lamp chamber 10 Lamp lens 11 Mounting part 12 Fixing rib 13 Fixing recess 14 Fixing part 15 Folding part 16 Elastic contact part 17 Falling prevention Part 18 Tongue piece 19 Elastic deformation 20 Clearance 2 0 Touch state 22 Tool 23 Arrow 24 Contact allowance 25 Contact allowance 26 Tip

Claims (4)

In a vehicular lamp that attaches the lamp body to the vehicle body by a mounting spring,
The lamp body, and the mounting spring fixed to the lamp body and attaching the lamp body to the vehicle body,
The lamp body includes a lamp housing housed in a recess of the vehicle body, a lamp lens that partitions the lamp chamber together with the lamp housing, and a light source disposed in the lamp chamber,
The mounting spring includes a fixing portion at one end fixed to the lamp housing, a folded portion at an intermediate portion, and an other end portion for attaching the lamp body to the vehicle body by elastic contact with an edge of a concave portion of the vehicle body. The elastic contact portion is provided at the other end portion closer to the folded portion than the elastic contact portion, and when a load is applied to the lamp body, the tip contacts the edge of the recess of the vehicle body. A drop prevention portion for preventing the lamp body from falling off the vehicle body,
A vehicular lamp characterized by the above.   2. The vehicular lamp according to claim 1, wherein the drop-off prevention portion protrudes on a side opposite to the fixing portion with respect to a portion between the folded portion and the elastic contact portion.   3. The vehicular lamp according to claim 1, wherein a tip of the drop-off prevention portion has a curved shape that curves toward the fixed portion. 4.   The vehicular lamp according to any one of claims 1 to 3, wherein a tip of the drop-off prevention unit comes into contact with an edge of a recess of the vehicle body and a rib provided in the recess of the vehicle body. .

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