JP2016134266A - Connecting structure for vehicular lighting fixture - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a connecting structure for a vehicular lighting fixture component capable of improving handleability of a first component itself while assuring easiness of connection work of a first component and a second component.SOLUTION: An extension reflector 14 comprises a connecting plate part 17B, a through-hole 20 formed at the connecting plate part 17B and a guide part 21 vertically arranged on the connecting part 17B. A front surface cover 3 includes a stepped part 12, a fixing hole 19 opened on the stepped part 12 and a guide part 21 arranged on the stepped part 12. When the through-hole 20 of the connecting plate part 17B and the fixing hole 19 of the stepped part 12 overlap with each other, the guide part 21 on the connecting plate part 17B and the guide part 21 on the stepped part 12 are arranged so as to enclose surroundings of the overlapped through-hole 20 of the connecting plate part 17 and the fixing hole 19 of the stepped part 12.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a connection structure for vehicle lamp parts.

  In a vehicular lamp, as shown in Patent Document 1, it is generally performed to connect a first part and a second part as a vehicular lamp part. Specifically, the first component is provided with a connecting plate portion as an attachment element protruding from the main body portion of the first component, and a through hole formed in the connecting plate portion, and the second component is , A seating portion for seating the connecting plate portion, and an attachment hole that is opened on the seating portion and can overlap with the through hole of the connecting plate portion. The connecting plate portion of the first component is arranged on the seating portion so that the through hole of the connecting plate portion and the mounting hole of the seating portion overlap, and the first from the outer side of the through hole of the connecting plate portion. The fastener is to be inserted into the through hole of the component and the mounting hole of the second component. Thereby, the first component is attached to the second component via the connecting plate portion of the first component and the seating portion of the second component.

  By the way, recently, a plurality of guide portions are erected on the connection plate portion at intervals around the through hole. After arranging the through hole of the connecting plate part and the mounting hole of the seating part to overlap, the fastening tool (pipe-shaped) is guided by a plurality of guide parts on the connecting plate part, and the fastening tool is connected. This is for positioning with respect to the plate portion. Thereby, the fastening tool can surely enter the fastener from the outer side of the through hole of the connecting plate portion into the through hole of the connecting plate portion and the mounting hole of the seating portion, and the connecting plate portion and the seating portion. Can be integrated.

JP-A-7-288003

  However, as described above, when a plurality of guides are erected on the connecting plate part around the through hole, it is necessary to secure an arrangement area for erected the plurality of guide parts on the connecting plate part. The area of the plate portion must be larger than the case where a plurality of guide portions are not erected on the connecting plate portion (a protruding state). For this reason, in addition to having a some guide part, the magnitude | size (overhang | projection area) becomes large, and it cannot be said that the connection property of a 1st component is necessarily easy. As a result, when such a first part is used, it cannot be said that the assembling workability for the second part is in a favorable state.

  The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a vehicular lamp part that can improve the handling of the first part itself while ensuring the ease of connecting the first and second parts. It is to provide a connecting structure.

In order to achieve the above object, the present invention (the invention according to claim 1)
As a vehicular lamp part, a first part and a second part are provided, and in the connection structure of a vehicular lamp part in which the first part and the second part are connected,
A connecting plate portion as an attachment element that the first component projects from the main body portion of the first component; a through hole formed in the connecting plate portion; and a guide portion erected on the connecting plate portion With
The second part is provided on the seating portion for seating the connecting plate portion, an attachment hole that is opened on the seating portion and can overlap with the through hole of the connecting plate portion. A guide portion;
The guide part on the connecting plate part in the first part and the guide part on the seating part in the second part cooperate to form a through hole in the connecting plate part and an attachment hole in the seating part. When it overlaps, it is set as the structure set so that the arrangement | positioning which surrounds the circumference | surroundings of the through-hole of this overlapping connecting plate part and the attachment hole of this seating part may be taken. The preferred embodiment of claim 1 is as described in claim 2 and the following.

According to the present invention (the invention according to claim 1), the guide portion on the connecting plate portion in the first component and the guide portion on the seating portion in the second component cooperate to form a through hole in the connecting plate portion. When the mounting hole of the seating part overlaps with the through-hole of the overlapping connecting plate part and the mounting hole of the seating part, the fastening tool is set by these guide parts. The fastener can be surely inserted into the through hole of the connecting plate portion and the mounting hole of the seating portion from the outer side of the through hole of the connecting plate portion by the guide of the fastening tool. it can.
On the other hand, guide portions are provided in both the connecting plate portion in the first component and the seating portion in the second component, and the number of the guide portions and the overhanging area can be reduced in the connecting plate portion.
For this reason, the handleability of the first component itself can be improved while ensuring the ease of connecting the first and second components.

  According to the invention according to claim 2, since the guide part on the seating part is arranged outside the front end in the overhanging direction of the connecting plate part, the holding of the guide part on the front end side of the connecting plate part is The seating portion of the second part takes charge, and the amount of overhang of the connecting plate portion can be reduced, and the bending rigidity of the connecting plate portion starting from the main body portion can be increased. For this reason, in the first component, the support rigidity of the connecting plate portion with respect to the main body portion can be increased, and accordingly, the first component can be stably attached to the second component.

  According to the third aspect of the invention, the second part is provided with the peripheral wall part for surrounding the main part of the first part in a close proximity, and the seating part is added to the inner surface of the peripheral wall part. Therefore, the peripheral wall portion of the second component restricts the protruding tip of the connecting plate portion from extending long, and the arrangement region for arranging the guide portion at the leading end portion of the connecting plate portion However, one of the guide parts on the seating part is outside the tip of the connecting plate in the overhanging direction when the connecting plate part is arranged on the seating part on the inner surface of the peripheral wall part of the second part. Since the connecting plate portion is disposed on the seating portion, the guide portion on the connecting plate portion and the guide portion on the seating portion are separated from each other when the connecting plate portion is disposed on the seating portion. Circumference between the through hole of the overlapping connecting plate and the mounting hole of the seat It will take the place surrounding. For this reason, even if the amount of overhang of the connecting plate portion has to be shortened for structural reasons, a plurality of guide portions are used as a guide for the fastening tool, and the fastener is passed through the connecting plate portion. It is possible to surely enter the through hole of the connecting plate portion and the mounting hole of the seating portion from the outer side of the hole.

  According to the invention which concerns on Claim 4, the guide part on a connection board part and the guide part on a seating part are comprised by three guide parts, and two guide parts are connected to a connection board part among three guide parts. Since it is provided, it is possible to accurately guide the fastening tool with as few guide parts as possible, and to suppress an increase in the projecting area of the connecting plate part.

  According to the invention of claim 5, since the peripheral wall portion of the second part is the peripheral wall portion of the vehicle lamp cover, the first component must be housed in the vehicle lamp cover and assembled. The guide portion on the connecting plate portion provided in the main body portion of the first component and the guide portion on the seating portion provided in the peripheral wall portion of the vehicle lamp cover at the time of the assembly of the overlapping connecting plate portion Since the arrangement surrounding the through hole and the mounting hole of the seating portion is taken, the fastening tool can be accurately guided, and the first part is securely attached to the peripheral wall portion (sitting portion) of the vehicle lamp cover. Can do.

The longitudinal cross-sectional view which shows the headlamp as a vehicle lamp which concerns on embodiment. The figure which shows the arrangement | positioning relationship between the front cover and extension reflector used for the headlamp which concerns on embodiment from the back side. The principal part enlarged view of FIG. The perspective view which shows the connection structure of the front cover (step surface) and extension reflector (connection plate part) which concern on embodiment.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
In FIG. 1, the code | symbol 1 shows the headlamp as a vehicle lamp which concerns on 1st Embodiment. The headlamp 1 includes a lamp body 2 whose front is opened with a horizontally long shape, and a front cover 3 that is detachably attached to the periphery of the opening of the lamp body 2 so as to cover the horizontally long opening. The lamp body 2 and the front cover 3 define a lamp chamber 4. A lamp unit 5 is disposed in the lamp chamber 4, and the lamp unit 5 emits irradiated light to the outside through the front cover 3.

  As shown in FIGS. 1 and 3, the front cover 3 includes a main cover portion 6 and a peripheral wall portion 7 that rises from the peripheral edge portion of the main cover portion 6 toward the inner surface side of the main cover portion 6. Integrated. The main cover portion 6 occupies most of the irradiation surface, and the portion is formed flat. The peripheral wall portion 7 cooperates with the main cover portion 6 to form an internal space 8, and the internal space 8 is opened to the outside through a front end opening of the peripheral wall portion 7. The peripheral edge portion of the front end opening of the peripheral wall portion 7 is detachably fitted to the peripheral edge portion of the opening of the lamp body 2, and the peripheral edge portion of the peripheral opening of the peripheral wall portion 7 and the peripheral edge portion of the lamp body 2 are opened. A sealing member 9 is interposed to ensure sealing performance.

  As shown in FIGS. 1 and 3, the peripheral wall portion 7 of the front cover 3 has a first peripheral wall portion 10 and a second peripheral wall portion 11 in order toward the tip opening side. The second peripheral wall portion 11 is positioned in a state in which the diameter of the second peripheral wall portion 11 is increased radially outward from the first peripheral wall portion 10, and a step portion 12 (sitting) is provided between the second peripheral wall portion 11 and the first peripheral wall portion 10. Part). Thereby, while the 1st surrounding wall part inner surface 10a and the 2nd surrounding wall part inner surface 11a are formed as a smooth surrounding surface, it is a level | step difference surface between the 1st surrounding wall part inner surface 10a and the 2nd surrounding wall part inner surface 11a. 13 (sitting surface) is formed, and the step surface 13 forms a flat surface so as to face the end opening side of the second peripheral wall portion 11. The overhang of the stepped portion 12 and the stepped surface 13 with respect to the first peripheral wall portion 10 (arrangement of the second peripheral wall portion 11) is not uniform everywhere due to the design of the front cover 3, and is a portion with a large overhang, overhang There are parts where there are few.

As shown in FIGS. 1 and 2, an extension reflector 14 (first component) is accommodated in the front cover 3. The extension reflector 14 has a shape in plan view that is slightly smaller than that of the front cover 3 while maintaining a shape close to that of the front cover 3, and the irradiation light from the lamp unit 5 passes through substantially the center thereof. A hole 15 is formed for this purpose.
The extension reflector 14 includes a concave portion 16 as a main body portion and a plurality of connecting plate portions 17 as attachment elements that project outward from the peripheral edge of the opening of the concave portion 16. The recess 16 is housed in the front cover 3 (internal space 8) with the opening side facing the opening side of the front cover 3, and a marginal space is secured between the recess 16 and the front cover 3. Has been.
Each of the plurality of connecting plate portions 17 is arranged in a state of being separated from each other at predetermined positions in the circumferential direction of the opening peripheral edge portion of the concave portion 16 while narrowing the width toward the protruding tip. Each connecting plate portion 17 is to be seated on the step surface 13 of the front cover 3 in a state where the recess 16 is housed in the front cover 3, and in this state, a fastener 18 is used. Is fixed. Therefore, mounting holes 19 are formed in the stepped portions 12 in the seating regions of the connecting plate portions 17 seated on the stepped surfaces 13, and through holes that face the mounting holes 19 are formed in the connecting plate portions 17. 20 is formed, and the fastener 18 enters the through hole 20 and the attachment hole 19 to integrate the connecting plate portion 17 and the step surface 13 (see also FIG. 3).

  The overhang and area of each of the plurality of connecting plate portions 17 are different corresponding to the overhang of the stepped surface 13 as shown in FIG. That is, in the portion where the protrusion of the step surface 13 is large, the area becomes large, so the protrusion of the connecting plate portion 17A (17) seated there is also increased, while in the portion where the protrusion of the step surface 13 is small, The overhang of the connecting plate portion 17B (17) seated there is reduced.

  As shown in FIGS. 1 to 4, a plurality of guide portions 21 are erected on each connecting plate portion 17. Specifically, for the connecting plate portion 17A having a large overhang, three guide portions 21 are erected around the fastener 18 (through hole 20), and the three guide portions 21 are connected to the fastener 18. Are arranged at equal intervals in the circumferential direction around the center. For this reason, in the connection of the connecting plate portion 17A to the stepped surface 13 here, the fastening tool 22 (see the phantom line in FIG. 3) for fastening the fastener 18 by the three guide portions 21 on the connecting plate portion 17 is used. The fastener 18 is screwed into the connecting plate portion 17 and the stepped portion 12 by the fastening tool 22 while being guided.

  On the other hand, with respect to the connecting plate portion 17B having a small overhang, two guide portions 21 are erected around the fastener 18 (through hole 20), and one guide portion is provided on the inner surface 11a of the second peripheral wall portion of the front cover 3. 21 is integrally formed so as to be located outside the front end of the connecting plate portion 17B in the protruding direction. One guide portion 21 on the inner surface 11 a of the second peripheral wall portion extends from the step surface 13 in the axial direction of the second peripheral wall portion 11, and the guide portion 21 and the two guide portions 21 on the connecting plate portion 17 are different from each other. In the circumferential direction with the fastener 18 as the center, they are arranged at intervals. For this reason, even with these three guide portions 21, the fastening tool 22 can be guided, and the fastener 18 can be screwed into the connecting plate portion 17 and the stepped portion 12 by the fastening tool 22. become. When the connecting plate portion 17 is seated on the step surface 13 with less overhang of the step surface 13 while the protrusion of the stepped surface 13 is small, attention is paid to the fact that the second peripheral wall portion inner surface 11a is close to the protruding end of the connecting plate portion 17. Is.

  Therefore, since the connecting plate portion 17 must be connected to the stepped surface 13 by using the fastener 18 at a place where the stepped surface 13 is less protruded for design reasons, the protruding portion as the connecting plate portion 17 is used. Even if it is a case where the thing 17B with few is required, while guiding the fastening tool 22 with the one guide part 21 of the 2nd surrounding wall part inner surface 11a and the two guide parts 21 on the connection board part 17, The fastener 18 can be screwed by the fastening tool 22. For this reason, since the connecting plate portion 17 must be connected to the stepped surface 13 by using the fastener 18 at a place where the stepped surface 13 is less protruding, the connecting plate portion 17 having a small protruding portion 17B is used. Even if it must be used, it is possible to ensure the ease of connection work.

On the other hand, since the connecting plate portion 17B has few overhangs, the protrusion of the connecting plate portion 17 can be reduced and the handleability of the extension reflector 14 itself can be improved. In addition, in the present embodiment, based on the fact that the protruding amount of the connecting plate portion 17B is small, the bending rigidity of the connecting plate portion 17B is increased, and the support rigidity of the connecting plate portion 17B with respect to the recess 16 of the extension reflector 14 is increased. The extension reflector 14 can be stably attached to the front cover 3.
Furthermore, the guide part 21 on the connecting plate part 17B and the guide part 21 on the step surface 13 are constituted by three guide parts 21, and two of the three guide parts 21 are the connecting plate part 17B. Therefore, the fastening tool 22 can be accurately guided with as few guide parts 21 as possible, and the increase in the projecting area of the connecting plate part 17B is suppressed, so that the handling property is lowered. Can be suppressed.

Although the embodiments have been described above, the present invention includes the following aspects.
(1) The guide portion 21 is provided on the step surface 13 even when the protrusion of the step surface 13 of the front cover 3 is large. If the guide portion 21 is provided on the stepped surface 13, the guide of the fastening tool 22 is secured, and the number of the guide portions 21 and the overhang area in the connecting plate portion 17 are reduced, and the extension reflector 14 itself is handled. This is because the sex can be enhanced.
(2) The number of the guide parts 21 should be 4 or more.
(3) The extension reflector 14 and the front cover 3 are merely examples of the first component and the second component, respectively, and any vehicle lamp component can be used as the first component and the second component. What can be done.
(4) The components used for the first and second components include a rim, an inner lens, a shade, a reflector, a heat radiating member, a circuit board, and other components (brackets) for supporting other components.

1 Headlamp (vehicle lamp)
3 Front cover (second part)
11 Second peripheral wall (peripheral wall)
12 Stepped part (sitting part)
13 Step surface (sitting surface)
14 Extension reflector (first part)
16 Concave part (main part)
17 connecting plate portion 17B connecting plate portion 19 mounting hole 20 through hole 21 guide portion

Claims (5)

As a vehicular lamp part, a first part and a second part are provided, and in the connection structure of a vehicular lamp part in which the first part and the second part are connected,
A connecting plate portion as an attachment element that the first component projects from the main body portion of the first component; a through hole formed in the connecting plate portion; and a guide portion erected on the connecting plate portion With
The second part is provided on the seating portion for seating the connecting plate portion, an attachment hole that is opened on the seating portion and can overlap with the through hole of the connecting plate portion. A guide portion;
The guide part on the connecting plate part in the first part and the guide part on the seating part in the second part cooperate to form a through hole in the connecting plate part and an attachment hole in the seating part. When overlapped, it is set to take an arrangement that surrounds the periphery of the through hole of the overlapping connecting plate portion and the mounting hole of the seating portion,
A connecting structure for a vehicular lamp part, characterized in that. In claim 1,
The guide part on the seating part is disposed outside the front end of the connecting plate part in the overhang direction,
A connecting structure for a vehicular lamp part, characterized in that. In claim 2,
The second part is provided with a peripheral wall part for surrounding the body part of the first part in a close proximity, and is attached so that the seating part is added to the inner surface of the peripheral wall part,
On the inner surface of the peripheral wall portion of the second part, one of the guide portions on the seating portion is located outside the front end in the overhanging direction of the connecting plate portion in a state where the connecting plate portion is disposed on the seating portion. So that it is integrally formed,
A connecting structure for a vehicular lamp part, characterized in that. In claim 3,
The guide part on the connecting plate part and the guide part on the seating part are constituted by three guide parts,
Of the three guide parts, two guide parts are provided on the connecting plate part,
A connecting structure for a vehicular lamp part, characterized in that. In claim 3,
The peripheral wall portion of the second part is a peripheral wall portion of the vehicle lamp cover,
A connecting structure for a vehicular lamp part, characterized in that.

Images