JP2000268608A - Rear combination lamp - Google Patents

Abstract

(57) [Problem] To provide a rear combination lamp that can easily and reliably mount a socket to a lamp body. SOLUTION: The rear combination lamp 1 of the present invention.
A conductor 7 is provided in the welding rib near the welding rib 11 for fixing the conductor 7 formed on the outer peripheral edge of the wiring portion 6 for wiring the conductor 7 along the periphery of the socket mounting opening 5. A plurality of posture correcting ribs 31 for securely press-fitting
One of them is a misconnection prevention rib 31a which is higher than the others. Further, when the socket 20 is mounted on the socket mounting opening 5, there is provided a fitting groove 32 into which the misconnection preventing rib 31 a is movably fitted. Also, a guide groove 9 formed so as to cut out a part of the wiring section 6 around the periphery of the socket mounting opening 5.
Are formed at equal intervals and in the same shape, and are formed on the peripheral wall of the socket 20, and the locking pieces 25 inserted into the guide grooves 9 when the socket 20 is attached to the socket mounting holes 5 are arranged at equal intervals corresponding to the guide grooves 9. They are formed in the same shape.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rear combination lamp used for automobiles and the like.
The present invention relates to a rear combination lamp configured so that a socket can be easily attached to a lamp body.

[0002]

2. Description of the Related Art Conventionally, various types of rear combination lamps used for vehicles such as automobiles are known. For example, the combination lamp 41 shown in FIG.
By mounting the socket 60 on the lamp body 42, the lamp 46 attached to the socket 60 and the conductor 47 can be connected.

The lamp body 42 includes a socket mounting portion 43 formed in a hollow and substantially truncated cone shape, and a lens portion 44 integrally formed on the bottom surface of the socket mounting portion 43. The lower portion of the socket mounting hole 45 is formed in a hollow shape, and a reflection mirror is provided on an inner wall (not shown) to suppress loss of lamp light in the lamp body 42.

The peripheral wall on the upper surface of the socket mounting portion 43 is bent so as to project toward the center of the socket mounting opening 45 to form an annular wiring portion 46.
The conductor 47 is wired on the upper surface of the. This wiring section 46
A guide groove 49 for fitting the socket 60 is formed in the inner peripheral wall surface of the first embodiment. The four guide grooves 49 are formed at 90 ° intervals around the periphery of the socket mounting opening 45, and the conductor 47 is wired in an arc shape on the wiring part 46 divided into four by the guide grooves 49.

Further, as shown in FIGS. 11 and 12,
A welding rib 51 for fixing the conductor 47 and a posture correcting rib 71 serving as a bending fulcrum when the conductor 47 is wired in the vicinity of the welding rib 51 are provided on the outer side of the wiring portion 46. Each is provided. Therefore, both ends of the conductor 47 are bent by the respective posture correcting ribs 71 and the welding ribs 5 are formed.
1 is welded in a state of being sandwiched. The diameter of the socket mounting hole 45, the number of the guide grooves 49, and the like are not uniform, and are changed according to the standard of the lamp 60 mounted on the socket mounting hole 45.

Further, as shown in FIGS. 13 and 14, the socket 60 comprises a socket body 61 and a disc-shaped flange 6.
2 so that the connection terminal 63 is accommodated in the socket main body 61. The connection terminal 63 has a conductor contact portion 64 having elasticity at one end thereof.
The conductor contact portion 64 is inserted into the socket body 61 such that the conductor contact portion 64 projects from the side surface of the socket body 61 to the surface of the flange portion 62.

On the side wall surface of the socket body 61, a locking piece 65 is provided which is fitted into the guide groove 49 when the socket 60 is mounted on the socket mounting opening 45.
The locking pieces 65 are provided corresponding to the number and positions of the guide grooves 49. In the illustrated example, four locking pieces 6 are provided.
5 are provided.

The above-described lamp body 42 has a socket 6
0, the socket body 61 is turned down as shown in FIG.
5, but at the time of insertion, the locking pieces 65 are aligned with predetermined guide grooves 49. The guide groove 49 is formed in a different shape to prevent the socket 60 from being erroneously inserted as shown in FIG. 11, and the locking piece 65 is also formed in a shape corresponding to the guide groove 49. . FIGS. 15 and 16 illustrate various forms of the locking piece 65. FIG.

When the guide grooves 49 and the locking pieces 65 coincide with each other, the socket body 61 is connected to the socket mounting opening 45.
The socket 60 is attached to the lamp body 42 after being inserted into the socket main body 61 into the socket mounting opening 45 and then rotated. As a result, the conductor contact portion 64 comes into contact with the conductor 47, so that the lamp 66 attached to the socket body 61 can be electrically connected.

[0010]

However, in the above-mentioned conventional rear combination lamp, when the socket is mounted on the lamp body, it is necessary to align the guide groove and the locking piece, and the mounting operation is troublesome. There was a problem. Also, when the width of the guide groove increases,
Inevitably, the wiring distance of the conductor is shortened, and when the socket is inserted and rotated, the conductor contact portion may relate to a position where the conductor is not wired, resulting in poor connection. I was worried. In particular, in the case of a small rear combination lamp, the above-described problem is likely to occur because the width of the wiring portion is small, and this has been a constraint in design and has been an obstacle to downsizing.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and an object of the present invention is to provide a rear combination lamp in which a socket can be easily and reliably mounted on a lamp body.

[0012]

SUMMARY OF THE INVENTION The object of the present invention is to provide a socket for holding a plurality of lamps having different functions and for electrically connecting the lamps through connection terminals, and the socket is mounted. A rear combination lamp, comprising: a socket mounting portion having a socket mounting port at the rear and having a reflecting mirror on an inner surface wall; and a lamp body including a lens portion sealing a front opening of the socket mounting portion. A plurality of conductors for securely press-fitting the conductor into the welding rib near the welding rib for fixing the conductor formed on the outer peripheral edge of the wiring portion for wiring the conductor along the periphery of the mouth. A posture correcting rib is provided, one of which is a misconnection preventing rib higher than the other, and when the socket is mounted on the socket mounting opening. That it comprises a fitting groove for fitting a serial error connection preventing ribs can idler can be solved by a rear combination lamp according to claim.

In the rear combination lamp, preferably, guide grooves formed so as to cut out a part of the wiring portion around the socket mounting opening are formed at equal intervals and in the same shape. Locking pieces formed on the peripheral wall of the socket and inserted into the guide groove when the socket is attached to the socket mounting opening are formed at equal intervals and in the same shape corresponding to the guide groove.

According to the rear combination lamp having the above-described structure, one of the plurality of posture correcting ribs provided near the welding rib formed on the outer peripheral edge of the wiring portion has a higher mis-connection prevention than the others. And a fitting groove for movably fitting the mis-connection preventing rib when mounted on the socket mounting opening. Therefore, when the socket is mounted on the socket mounting opening of the lamp body, the position where the socket is inserted is determined by fitting the posture correcting rib into the fitting groove, and the positioning between the guide groove and the locking piece is easily performed. Will be. Therefore, there is no need to align the guide groove with the locking piece, and the work efficiency of the mounting operation can be improved.

If the guide grooves and the locking pieces are formed at equal intervals and all have the same shape, the wiring area can be made sufficiently large even with a small rear combination lamp. Therefore, the length and shape of the wiring of the conductor on the wiring portion can be made constant, so that it is possible to prevent poor contact between the conductor and the conductor contact portion and reduce design constraints. Therefore, the size and reliability of the rear combination lamp can be improved.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the rear combination lamp of the present invention will be described below in detail with reference to FIGS. FIG. 1 is an exploded perspective view showing an embodiment of the rear combination lamp of the present invention, FIG. 2 is a plan view showing the entire configuration of the rear combination lamp, FIG. 3 is an enlarged plan view showing an example of a socket mounting opening in FIG. 4 is a side view of the socket mounting port in FIG. 3, FIG. 5 is a partially enlarged perspective view showing a main part of the socket mounting port in FIG. 1, and FIG.
5 is a plan view in FIG. 5, FIG. 7 is a perspective view of the socket in FIG. 1 viewed from the direction A, FIG. 8 is a plan view in FIG. 7, and FIG. 9 is a side view in FIG.

As shown in FIG. 1, a rear combination lamp 1 of the present embodiment comprises a lamp body 2 and a socket 2.
By mounting the socket 20 on the lamp body 2, the lamp 26 attached to the socket 20 and the conductor 7 are electrically connected. The lamp body 2 includes a socket mounting portion 3a formed in a hollow and substantially truncated cone shape, and a lens portion 4 integrally formed on the bottom surface of the socket mounting portion.

As shown in FIG. 1 and FIG.
In the wiring configuration of (1), welding ribs 11 and press-fitting ribs 12 are formed on the surface of the socket mounting portion 3a in order to reliably wire the conductor 7. The welding rib 11 has a pair of wall portions 13a,
The conductor 7 is inserted into the gap 14 formed by arranging the conductors 13b (see FIG. 5) to face each other, and then the conductor 7 is melted and welded.

Further, the press-fit ribs 12 are provided on the lamp body 2.
The conductor 7 is integrally formed at a position where the conductor 7 is wired, and the conductor 7 is pressed into a gap formed by arranging a pair of wall portions facing each other and fixed. The lower portion of the socket mounting opening 5 is formed in a hollow shape, and a reflecting mirror is provided on an inner wall (not shown) to suppress a loss of lamp light in the lamp body 2.

An annular wiring portion 6 is formed on the peripheral wall on the upper surface of the socket mounting portion 3a around the socket mounting opening 5, and a conductor 7 is wired on the upper surface of the wiring portion. A guide groove 9 for fitting the socket 20 is formed in the wiring section 6 on the periphery of the socket mounting opening 5. The shapes of the guide grooves 9 are all identical. As shown in FIG. 2, the diameter of the socket mounting port 5, the number of the guide grooves 9, and the like are not uniform, and are changed according to the standard of the lamp 20 mounted on the socket mounting port 5.

In the rear combination lamp 1 of this embodiment, as shown in FIG. 3, the posture correcting rib 3 serving as a fulcrum for bending the conductor 7 when wiring the conductor 7 is provided on the outer peripheral portion of the wiring portion 6.
8 are provided in total. Among them, as shown in FIGS. 4 and 5, the height H0 of the seven posture correcting ribs 31 is set to the same height, but the height H1 of one posture correcting rib 31a at a predetermined position is In order to prevent the erroneous connection by positioning the socket 20 when the socket 20 is mounted, the height is set to be higher than the height H0 of the other posture correcting ribs 31 by a predetermined height (hereinafter, this posture correcting rib is erroneously connected). Prevention ribs).

Next, a procedure for wiring the conductor 7 to the socket mounting portion 3a in the rear combination lamp 1 having the above configuration will be described. As shown in FIG. 3, four guide grooves 9 are formed at 90 ° intervals as described above.
The conductor 7 on the wiring portion 6 is wired so as to be divided into four arcs toward the center of the socket mounting opening 5 so as to avoid the above problem. Then, both ends of the conductor 7 on the wiring portion 6 are sandwiched between the welding ribs 11 and the press-fitting ribs 12 in a state of being bent by the posture correcting ribs 31 and 31a, and thereafter the welding ribs 11 are partially heated or the like. And the conductor 7
Is welded.

That is, when the conductor 7 is laid on the entire lamp body 2, the conductor 7 is attached to the posture correcting ribs 31 and 31 a.
Is bent around the fulcrum and inserted into the gap 14 between the welding ribs 11 and then press-fitted into the gap between the press-fitting ribs 12. At this stage, the conductor 7 is temporarily fixed, and the welding rib 11 is partially melted to weld the conductor 7. Press-fit rib 1
Since the conductor 2 is press-fitted with the conductor 7, it hardly comes out, and the conductor 7 is wired at a predetermined position in a state where there is no slack or the like in combination with the welding rib 11.

The welding ribs 11 and the press-fitting ribs 12 are formed at positions where, for example, a short circuit accident of the conductor 7 does not occur in consideration of the wiring of the conductor 7. In addition, the conductor 7 is formed of the welding rib 11 and the press-fitting rib 1 formed in advance.
Since the wiring is performed in the order of 2, there is no erroneous wiring, and since the positions of the welding ribs 11 are predetermined, all the welding ribs 11 formed on the lamp body 2 can be welded at once.

As shown in FIG. 2, the wiring configuration of the lamp body 2 as a whole includes three socket mounting portions 3a to 3c.
Are provided, and a conductor 7 is wired to the wiring portions 6 of the socket mounting portions 3a to 3c as shown in the figure. The conductor 7 may be curved as shown in the socket mounting portion 3a, or may be wired linearly as in the socket mounting portions 3b and 3c.

As shown in FIGS. 7 and 9, the socket 20 comprises a socket body 21 and a disc-shaped flange 22, and a connection terminal 23 having a conductor contact portion 24 at one end in the socket body 21 is provided with a conductor terminal. The contact portion 24 is connected to the socket body 2
It is inserted so as to protrude from the side surface of the flange portion 22 to the surface of the flange portion 22. Further, on the side wall surface of the socket body 21, when the socket 20 is mounted on the socket mounting opening 5, four locking pieces 25 to be fitted into the guide grooves 9 are provided corresponding to the number and positions of the guide grooves 9. I have. This locking piece 25
In the present embodiment, they are formed in the same shape.

As shown in FIGS. 7 to 9, a fitting groove 32 for fitting the posture correcting rib 31a is formed at a predetermined position on the outer peripheral edge of the flange 22. The length L of the fitting groove 32 is set to a length that allows the socket 3 to be fitted into the socket mounting opening 5 and rotate for tightening.

Next, a procedure for attaching the socket 20 to the lamp body 2 will be described. As shown in FIG. 1, the socket body 21 is inserted into the socket mounting opening 5 as shown by an arrow B with the socket main body 21 facing downward in the figure. At the time of insertion, the posture correcting rib 31a is fitted into the fitting groove 32 as shown in FIG.

Next, when the socket body 21 is inserted, the locking pieces 25 of the same shape fit into the guide grooves 9 of the same shape, and the socket body 21 fits into the socket mounting opening 5. Then, as shown in FIG. 6, when the conductor contact portion 24 comes into contact with the conductor 7 at the position Pa and further rotates in the direction of arrow C, the socket 20 is locked to the socket mounting portion 3a by the action of the locking piece 25. You.

When the socket 20 is turned in the direction of arrow C, the conductor contact portion 24 slides from the position Pa to the position Pb while contacting the conductor 7. Therefore, the electrical connection of the lamp 26 attached to the socket main body 21 can be reliably performed by a simple attachment operation of inserting the socket 20 into the socket attachment port 5 and rotating the socket.

Next, the relationship between the posture correcting rib 31a and the fitting groove 32 will be described. As shown in FIG.
a is fitted in the fitting groove 32 so as to be aligned. At this time, if there is a displacement, the positions of the locking pieces 25 and the guide grooves 9 do not match, and the socket body 21 cannot be inserted into the socket mounting opening 5.

The posture correcting rib 31a is fitted in the fitting groove 32.
When the socket 20 is fitted to the regular position, the positions of the locking pieces 25 and the guide grooves 9 are matched, and the socket 20 is fixed to the socket mounting opening 5 by rotating in the direction of arrow C as it is. Can be. That is, the rotation range of the socket 20 is determined by the width L of the fitting groove 32, and one end of the fitting groove 32 is rotated to a position where it comes into contact with the side surface of the posture correcting rib 31a, so that the socket 20 is securely formed. Fixed.

As described above, according to the rear combination lamp 1 of the present embodiment, the fitting groove 32 and the posture correcting rib 3
The socket 20 can be mounted on the socket mounting opening 5 only by the alignment with 1a. Therefore, the guide groove 9
No troublesome work such as deciding the position of the locking piece 25 while observing the shape of the frame becomes unnecessary.

[0034]

As described above, according to the rear combination lamp of the present invention, one of the plurality of posture correcting ribs provided near the welding rib formed on the outer peripheral edge of the wiring portion is provided. The mis-connection preventing rib is higher than the others, and a fitting groove for movably fitting the mis-connection preventing rib when mounted on the socket mounting opening is provided on the socket side. Therefore, when the socket is mounted on the socket mounting opening of the lamp body, the position where the socket is inserted is determined by fitting the posture correcting rib into the fitting groove, and the positioning between the guide groove and the locking piece is easily performed. Will be. Therefore, there is no need to align the guide groove with the locking piece, and the work efficiency of the mounting operation can be improved.

Further, if the guide grooves and the locking pieces are formed at equal intervals and all have the same shape, the wiring area can be made sufficiently large even with a small rear combination lamp. Therefore, the length and shape of the wiring of the conductor on the wiring portion can be made constant, so that it is possible to prevent poor contact between the conductor and the conductor contact portion and reduce design constraints. Therefore, the size and reliability of the rear combination lamp can be improved.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing one embodiment of a rear combination lamp of the present invention.

FIG. 2 is a plan view showing the configuration of the entire rear combination lamp.

FIG. 3 is an enlarged plan view showing a shape of a socket mounting opening in FIG. 2;

FIG. 4 is a side view of FIG.

FIG. 5 is a partially enlarged perspective view showing the shape of a misconnection preventing rib in FIG. 1;

FIG. 6 is a plan view of FIG.

FIG. 7 is a perspective view of the socket in FIG. 1;

FIG. 8 is a plan view showing a fitting state of a fitting groove of the socket and an erroneous connection preventing rib in FIG. 7;

FIG. 9 is a side view of the socket in FIG. 1;

FIG. 10 is an exploded perspective view showing an example of a conventional rear combination lamp.

FIG. 11 is a plan view showing an example of a socket mounting opening in FIG.

FIG. 12 is a side view of FIG.

FIG. 13 is a perspective view of the socket in FIG. 10;

FIG. 14 is a side view of FIG.

FIG. 15 is a bottom view showing the shape of the locking piece of the socket in FIG. 13;

FIG. 16 is a bottom view showing another locking piece shape different from FIG. 13;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Rear combination lamp 2 Lamp body 3a-3c Socket mounting part 5 Socket mounting opening 6 Wiring part 7 Conductor 9 Guide groove 11 Welding rib 12 Press-in rib 20 Socket 21 Socket main body 22 Flange 23 Connection terminal 24 Conductor contact part 25 Lock Piece 26 lamp 31 posture correction rib 31a misconnection prevention rib 32 fitting groove

Claims (2)

[Claims] 1. A socket for holding a plurality of lamps performing different functions and for electrically connecting the lamps via connection terminals, and a socket mounting port to which the socket is mounted is provided at a rear side and provided on an inner wall. In a rear combination lamp including a socket mounting portion having a reflecting mirror and a lamp body including a lens portion sealing a front opening of the socket mounting portion, a conductor is wired along the periphery of the socket mounting opening. A plurality of posture correcting ribs for securely pressing the conductor into the welding rib are provided near the welding rib for fixing the conductor formed on the outer peripheral edge of the wiring portion, one of which is provided. The mis-connection preventing rib is higher than the other, and the socket is movably fitted with the mis-connection preventing rib when the socket is attached to the socket mounting opening. Rear combination lamp, characterized in that it comprises a groove. 2. A guide groove formed so as to cut out a part of the wiring portion on the periphery of the socket mounting opening is formed at equal intervals and in the same shape, and is formed on the peripheral wall of the socket. 2. The rear combination lamp according to claim 1, wherein the locking pieces inserted into the guide grooves when being mounted on the socket mounting holes are formed at equal intervals and in the same shape corresponding to the guide grooves.