JP2002002378A - Room lamp mounting structure - Google Patents

Abstract

(57) [Problem] To provide a room lamp mounting structure capable of simultaneously mounting a room lamp and connecting a room lamp and a roof harness and reducing the number of parts. SOLUTION: In a room lamp mounting structure, a room lamp mounting hole 53 provided in a room lamp unit 31 is provided.
Conductive clip 43 which is fixed to the periphery of the lamp and fixes the room lamp unit 31 to the room lamp mounting hole 53.
a, 43b, terminals 33a, 33b of the lamp 33 provided in the room lamp unit 31, and clips 43a, 43
b and conductors 61a, 6b arranged near the room lamp mounting hole 53 of the roof trim 51 and supplying power to the terminals 33a, 33b.
Flat cable 59 from which insulation coating 63 of 1b has been removed
Are provided.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a room lamp mounting structure for mounting a room lamp unit to a roof trim mounted on a vehicle ceiling.

[0002]

2. Description of the Related Art Conventionally, to mount a room lamp on a vehicle ceiling, a roof harness connected to a vehicle body by a connector is mounted on a body ceiling, and a roof trim is further mounted therebelow. cover. Next, the room lamp connector of the roof harness is once pulled out downward from the room lamp mounting hole formed in the roof trim and connected to the room lamp unit. afterwards,
Roof harness pulled out from room lamp mounting hole,
After being again supported at a predetermined position on the body ceiling via the room lamp mounting hole, the room lamp unit was mounted in the room lamp mounting hole.

[0003] However, in such a room lamp mounting structure, all operations are upward operations in a narrow work space in the vehicle cabin, and assembling workability is poor.

In order to solve such a conventional problem, there is a method for assembling an automobile ceiling disclosed in Japanese Patent Application Laid-Open No. Hei 5-131882, for example. In the assembling method disclosed herein, a room lamp mounting hole 5 is formed in a molded plate referred to as a main module 3 shown in FIG. 8 which is mounted on a body ceiling, and a room lamp is mounted before mounting the main module 3 on the body ceiling. A room lamp 7 is fixed to the lamp mounting hole 5 with a screw 9.

[0005] On the lower surface side of the fixed room lamp 7,
Further, a plastic lamp cover 11 is attached. On the upper surface of the main module 3, a roof harness 13 composed of a flat cable is attached. In the vicinity of the room lamp mounting hole 5, there is provided a connection end portion 15 which is formed in a bellows shape branched from the roof harness 13 so as to be extendable and contractible.
Is provided with a room lamp connection connector 17. The connector 17 is inserted into the room lamp mounting hole 5 and connected to the room lamp 7.

[0006] After the preassembled main module 3 is mounted on the lower surface of the body ceiling, the connector 19 of the roof harness 13 is connected to the connector of the vehicle-side harness (not shown) wired to the front pillar. Connected to That is, the connection work of the vehicle body-side harness is moved to a position near the corner of the main module 3 to improve the connection work.

According to this method of assembling the ceiling for an automobile, the room lamp 7 can be assembled at the same time by a simple operation of attaching the main module 3 to the body ceiling.

[0008]

However, the conventional room lamp mounting structure in the above-described method of assembling a ceiling for an automobile is such that the room lamp is fixed to the roof trim with screws and then wired to the roof trim. It is necessary to connect the connector at the connection end to the room lamp. That is, two steps are required: a step of fixing the room lamp to the roof trim with screws, and a step of connecting a connector to the room lamp attached to the roof trim. Further, in order to connect the room lamp and the roof harness with a connector, it is necessary to attach a connector to both the room lamp and the roof harness, and the number of parts increases and the product cost increases. Furthermore, in the roof harness,
Since the connection end for connecting the room lamp must be branched, there has been a problem that the roof harness is complicated and expensive. The present invention has been made in view of the above circumstances, and provides a room lamp mounting structure capable of simultaneously mounting a room lamp and connecting a room lamp and a roof harness and reducing the number of components such as connectors. It is another object of the present invention to improve workability, reduce costs, and simplify the roof harness.

[0009]

According to a first aspect of the present invention, there is provided a room lamp mounting structure according to the present invention, wherein: a room lamp mounting hole formed in a roof trim;
A room lamp mounting structure for mounting a room lamp unit, wherein at least one pair of the room lamp units are provided on the room lamp unit and are fixed to a periphery of the room lamp mounting hole to fix the room lamp unit to the room lamp mounting hole. A conductive clip, a conductor provided in the room lamp unit for electrically connecting the pair of electrodes of the lamp and the pair of clips, and a power supply unit disposed near the room lamp mounting hole of the roof trim. Wherein the pair of clips also serve as terminals that are in contact with the power supply means and supply power to the pair of electrodes.

In this room lamp mounting structure, when the room lamp unit is mounted in the room lamp mounting hole, the pair of clips and the power supply means are in contact with each other, and the mounting of the room lamp unit and the electrical wiring connection can be performed simultaneously with one touch. Complete. That is, the pair of clips also serve as a locking means of the lamp unit and a terminal for supplying power to the lamp. Therefore, unlike the conventional structure, it is not necessary to separately fix the screw of the room lamp unit and connect the connector, and the workability of mounting the room lamp unit is improved. Further, the clip and the conductor, which are the support portions of the room lamp unit, are integrated, and a connector is not required.
Further, since the clip serves as the locking means and the terminal, the increase in the number of parts can be suppressed and cost can be reduced, and at the same time, the room lamp unit can be reduced in size and the degree of freedom in design can be improved.

The room lamp mounting structure according to claim 2 is
2. The room lamp mounting structure according to claim 1, wherein the power supply means is a flat cable in which an insulating coating of the pair of conductors is removed and the conductors are exposed to be able to contact the pair of clips. Features.

In this room lamp mounting structure, since the flat cable is directly connected to the room lamp unit, there is no need to branch off a dedicated room lamp connection harness provided with a connector, and the roof harness is simplified. .

The room lamp mounting structure according to claim 3 is
3. The room lamp mounting structure according to claim 2, wherein the flat cable is arranged parallel to a direction in which the room lamp unit is inserted into the room lamp mounting hole.

In this room lamp mounting structure, the indent or the like of the clip formed long in the insertion direction can be slid in contact with the conductor portion as it is inserted, without being affected by variations in the insertion position of the room lamp unit. Thus, the clip can always contact the conductor. On the other hand, when the flat cable is arranged in a plane direction perpendicular to the room lamp unit insertion direction, the clip can contact the conductor only at the predetermined insertion position, and the insertion position of the room lamp unit varies. An unstable contact structure that is easily affected.

The room lamp mounting structure according to claim 4 is
The room lamp mounting structure according to claim 3, wherein the conductor of the flat cable is wired in a direction orthogonal to a direction in which the room lamp unit is inserted into the room lamp mounting hole.

In this room lamp mounting structure, even if the mounting position of the room lamp unit is displaced in the direction along the flat cable, the conductor is wired in the same direction. The clip can always contact the conductor without being affected. On the other hand, if the conductor of the flat cable is wired in the same direction as the direction in which the room lamp unit is inserted into the room lamp mounting hole, the mounting position of the room lamp unit is shifted in the direction along the flat cable. As a result, the clip is easily detached from the conductor portion, and an unstable contact structure is apt to be affected by the variation in the insertion position of the room lamp unit.

A room lamp mounting structure according to claim 5 is
The room lamp mounting structure according to any one of claims 2 to 4, wherein a wall portion near the room lamp mounting hole of the roof trim and parallel to a direction in which the room lamp unit is inserted into the room lamp mounting hole. Is provided, and an elastic holding piece is opposed to a side surface of the wall portion on the room lamp mounting hole side, and the flat cable is sandwiched and fixed between the elastic holding piece and the side surface. And

In this room lamp mounting structure, the flat cable is easily sandwiched between the wall portion and the elastic holding piece, so that the flat cable can be easily parallel to the room lamp unit insertion direction and the flat cable can be easily connected to the room lamp unit. The conductor portion can be wired in a direction orthogonal to the room lamp unit insertion direction.

The room lamp mounting structure according to claim 6 is
2. The room lamp mounting structure according to claim 1, wherein the power supply means includes an electrical contact portion which is conductive and is connected to tips of a pair of electric wires and is capable of contacting the pair of clips. And

In this room lamp mounting structure, the electrical contact portion connected to the electric wire is brought into contact with the clip, so that the connector becomes unnecessary.

The room lamp mounting structure according to claim 7 is
7. The room lamp mounting structure according to claim 6, wherein a wall portion is provided near the room lamp mounting hole in a direction parallel to a direction in which the room lamp unit is inserted into the room lamp mounting hole. The electric contact portion bent in a shape is disposed near the room lamp mounting hole with the wall portion being sandwiched between the holding pieces.

In this room lamp mounting structure, a U-shaped electric contact portion formed by opposing the holding pieces is fitted from above the wall, and the wall is sandwiched by the opposing holding pieces from the front and back. The electric contact portion can be easily arranged in the vicinity of the room lamp mounting hole with a simple assembly structure.

The room lamp mounting structure according to claim 8 is
8. The room lamp mounting structure according to claim 7, wherein a locking claw is provided at an end of the holding piece, which is an opening of the electrical contact portion, and the locking claw of the electrical contact portion is locked to form the electrical contact. A protrusion or a groove for preventing the portion from moving in the room lamp unit insertion direction is provided on the wall.

In this room lamp mounting structure, the locking claw provided on the electric contact portion is locked by the projection or the groove on the wall, and the electric contact portion is prevented from moving in the direction of inserting the room lamp unit. Thus, when the room lamp unit is inserted, the electrical contact portion does not move in the same direction due to friction with the clip, and a reliable contact state can be obtained.

[0025]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of a room lamp mounting structure according to the present invention will be described below in detail with reference to the drawings. FIG. 1 is an exploded perspective view of a room lamp mounting structure according to a first embodiment of the present invention, and FIG. 2 is a front view of a clip provided in the room lamp unit of FIG.
FIG. 3 is an explanatory view showing the AA arrow in FIG.
Is a sectional view of the room lamp mounting structure of FIG. 1 in a state where the room lamp unit is mounted in the room lamp mounting hole,
FIG. 4 is a view taken in the direction of arrows BB in FIG.

The room lamp unit 31 includes a lamp 33
Unit body 35 in which the
5 and a cover 37 which is fixed to the lower surface and covers the lamp 33. A flange portion 39 protruding from the unit main body 35 is provided below the outer peripheral surface of the unit main body 35. Note that the flange portion 39 is connected to the unit body 35.
May be formed by a cover 37 fixed to the lower surface of the.

The lamp 33 attached to the room lamp unit 31 according to this embodiment is provided with terminals 33a and 33b as electrodes, for example, at both ends in the tube axis direction.

The unit body 35 includes a lamp 33.
A switch box 41 for opening and closing a power supply circuit to the power supply is provided. In the switch box 41, an operation switch (not shown) penetrates the cover 37 and is exposed to the passenger compartment.

A pair of conductive and elastically deformable clips 43 are provided on a pair of parallel sides of the unit body 35, respectively. These clips 43
Is locked to the periphery of a room lamp mounting hole 53, which will be described later, so that the room lamp unit 31 is
For example, it is formed by bending an elastic strip into a C-shape, one end in the bending direction (upper end in FIG. 3) is connected to the unit body 35, and the other end in the bending direction ( 3 is a free end. A gap 45 is formed between the lower end of the clip 43 and the flange 39.

Therefore, the clip 43 is attached to the unit body 3
5 and the gap 4 between the flanges 39
5 can be elastically deformed in both directions (upward direction in FIG. 3).

One terminal 33a of the lamp 33 attached to the unit body 35 has a conductor 47 made of a copper plate or the like.
a is in contact. The conductor 47a extends on the surface of one of the clips 43a while being attached to the unit main body 35. Also, the other terminal 33b of the lamp 33
Is in contact with a conductor 47b also made of a copper plate or the like. The conductor 47b is connected to one contact (not shown) of the switch box 41 in a state where the conductor 47b is attached to the unit main body 35. A conductor 47c, also made of a copper plate or the like, is in contact with the other contact of the switch box 41. The conductor 47c is attached to the unit body 35 and extends on the surface of the other clip 43b.

That is, a pair of terminals 33a of the lamp 33,
33b is led out to the surface of a pair of clips 43a and 43b. In FIG. 2, reference numeral 66 denotes an indent for improving electric contact.

On the other hand, a room lamp mounting hole 53 into which the room lamp unit 31 is inserted is formed in the roof trim 51. In the vicinity of the room lamp mounting hole 53,
A wall portion 55 erected in a direction parallel to the insertion direction of the room lamp unit 31 is provided continuously along one side surface of the unit main body 35.

A pair of elastic holding pieces 57 are arranged on the side of the wall portion 55 on the side of the room lamp mounting hole 53 so as to face each other. The lower end of the elastic holding piece 57 is fixed to the roof trim 51, for example, and the upper end is a free end and is in contact with the side surface of the wall 55.

A flat cable 59 having a power supply circuit serving as power supply means for the lamp 33 is sandwiched between the elastic holding piece 57 and the wall 55. That is, the flat cable 59 is arranged in parallel with the direction of inserting the room lamp unit into the room lamp mounting hole 53 (the direction of arrow a). The conductor of the flat cable 59 is wired in a direction perpendicular to the direction in which the room lamp unit is inserted into the room lamp mounting hole 53 (the direction of the arrow b).

In the flat cable 59, at positions corresponding to the pair of clips 43a and 43b, the insulating coating 63 of the pair of conductors 61a and 61b for supplying power to the pair of terminals 33a and 33b of the lamp 33 is removed. , Conductor 6
1a and 61b are exposed. That is, the pair of clips 43a and 43b are used to fix the above-described room lamp unit 31 by inserting the room lamp unit 31 into the room lamp mounting hole 53, and at the same time, the pair of conductors 61a of the flat cable 59. , 61b, and also serves as terminals for supplying power to a pair of terminals 33a, 33b of the lamp 33. Therefore, the clip is shown in FIG.
(A), a long indent 66 in the insertion direction is formed on a plate surface formed in a rectangular shape in a front view, and the cross section is bent into a C-shape as shown in (b). Have been.

The room lamp unit 31 in this embodiment is formed in a square shape. Therefore, the room lamp mounting hole 53 is also formed in the same square shape. At a pair of parallel sides of the room lamp mounting hole 53, engagement flanges 65 projecting inward from the room lamp mounting hole 53 are respectively provided.

Next, the operation of the room lamp mounting structure thus configured will be described. Room lamp unit 31
When the clip 43 is inserted into the room lamp mounting hole 53 of the roof trim 51, the respective clips 43 are brought into contact with the engagement flange portions 65 and are elastically deformed in a direction pressed against the unit main body 35.

Further, when the room lamp unit 31 is pushed into the room lamp mounting hole 53, the clip 4
3 gets over the engagement flange 65. At the same time as the clip 43 gets over the engagement flange 65, the room lamp unit 31 is moved to the flange 39 as shown in FIG.
However, it comes into contact with the periphery of the room lamp mounting hole 53, and further insertion is restricted.

In this state, each clip 43 sandwiches the engagement flange 65 with the flange 39. As a result, the movement of the room lamp unit 31 in the insertion direction is restricted, and rattling does not occur. Further, since each clip 43 is pressed toward the unit body 35 by the inner wall surface of the room lamp mounting hole 53,
A reaction force is applied to the inner wall surface of the room lamp mounting hole 53 by the elastic restoring force. Thus, the movement of the room lamp unit 31 in the horizontal direction (the direction parallel to the surface of the roof trim 51) is restricted, and rattling does not occur.

In such an attached state, a pair of clips 4 provided on one side wall of the unit body 35
3a and 43b are exposed conductor portions 61a and 61 of the flat cable 59 held vertically, as shown in FIG.
b comes into elastic contact. That is, the room lamp unit 31 is mounted in the room lamp mounting hole 53 and, at the same time, the electrical connection with the flat cable 59 is completed.

As described above, according to the above-described room lamp mounting structure, when the room lamp unit 31 is mounted in the room lamp mounting hole 53, a pair of clips 43a,
43b and the conductors 61a, 61 of the flat cable 59.
b makes elastic contact, and the mounting of the room lamp unit 31 and the electrical wiring connection are completed simultaneously with one touch.

Accordingly, unlike the conventional structure, it is not necessary to separately fix the screw of the room lamp unit and connect the connector, and the workability of mounting the room lamp unit 31 is improved. Also, the clip 43 and the conductor 4 which are support portions
7 is integrated, and a connector is not required. Further, since the clip serves as the locking means and the terminal, the increase in the number of components can be suppressed and cost can be reduced, and at the same time, the room lamp unit can be reduced in size and the design flexibility can be improved.

Further, since the flat cable 59 is directly connected to the room lamp unit 31, there is no need to branch a dedicated room lamp connection harness provided with a connector, and the roof harness is simplified.

Further, since the flat cable 59 is arranged in a direction parallel to the direction of insertion of the room lamp unit 31 (direction of arrow a), the indents 67 (see FIG. 3) of the clips 43a and 43b formed long in the direction of insertion. Can be brought into sliding contact with the conductor portions 61a and 61b with the insertion, and the clips 43a and 43b can always contact the conductor portions 61a and 61b without being affected by variations in the insertion position of the room lamp unit 31. . On the other hand, for example, if the flat cable 59 is arranged in a plane direction (the direction of arrow c) perpendicular to the room lamp unit insertion direction, the clip 4 is only provided at a predetermined insertion position (insertion depth).
The contact portions 3a and 43b are not in contact with the conductor portions 61a and 61b, resulting in an unstable contact structure that is easily affected by variations in the insertion position of the room lamp unit 31.

Further, the conductor 61 of the flat cable 59
Since a and 61b are wired in the direction (arrow b direction) orthogonal to the room lamp unit insertion direction, even if the mounting position of the room lamp unit 31 is displaced in the direction along the flat cable 59 (arrow b direction). Conductor portions 61a, 61
Since the wires b are wired in the same direction, the clips 43a and 43b can always contact the conductor portions 61a and 61b without being affected by variations in the insertion position of the room lamp unit 31. On the other hand, when the conductor portions 61a and 61b of the flat cable 59 are wired in the same direction (the direction of the arrow a) as the room lamp unit insertion direction, the mounting position of the room lamp unit 31 is changed to the flat cable 59.
, The clips 43a and 43b easily come off the conductors 61a and 61b, resulting in an unstable contact structure that is easily affected by variations in the insertion position of the room lamp unit 31. .

According to the room lamp mounting structure of this embodiment, since the flat cable 59 is sandwiched between the wall portion 55 and the elastic holding piece 57, the flat cable 59 can be easily inserted in the room lamp unit insertion direction. And the conductor portion 61 of the flat cable 59
a and 61b can be wired in a direction orthogonal to the direction of inserting the room lamp unit.

Next, a second embodiment of the room lamp mounting structure according to the present invention will be described. FIG. 5 is an exploded perspective view of a room lamp mounting structure according to a second embodiment of the present invention, and FIG. 6 is a cross-sectional view of the room lamp mounting structure of FIG. 5 with a room lamp unit mounted in a room lamp mounting hole. FIGS. 7A and 7B are explanatory views showing examples of different locking structures between the electric contact portion and the wall portion, in FIGS. In this embodiment, the power supply means is different from that of the first embodiment, and the other parts and portions are the same.
The same parts and portions are denoted by the same reference numerals and description thereof will be omitted.

The roof trim 51 has a room lamp mounting hole 53 into which the room lamp unit 31 is inserted. In the vicinity of the room lamp mounting hole 53, a wall portion 55 standing upright in a direction parallel to the insertion direction of the room lamp unit 31 is provided continuously along one side surface of the unit main body 35. .

At the wall 55, electric wires 6 from a roof harness (not shown) are provided at positions corresponding to the clips 43a and 43b.
9 are provided with a pair of electric contact portions 71a and 71b. The electric contact portions 71a and 71b are made of, for example, a conductive metal having elasticity, and are formed by bending a pair of holding pieces 73 in a U-shape so as to face each other. This allows
The electric contact portions 71 a and 71 b are provided between the holding pieces 73 and the wall 5.
5 is disposed in the vicinity of the room lamp mounting hole 53. That is, in the present embodiment, the power supply means is constituted by the electric wire 69 and the electric contact portions 71a and 71b.

The U-shaped openings of the electric contact portions 71 a and 71 b are inserted from the upper end of the wall portion 55 and attached to the wall portion 55. The electric contact portions 71 a and 71 b attached to the wall 55 are provided with clips 43 of the room lamp unit 31 inserted from below the room lamp mounting hole 53.
a and 43b. Therefore, the electric contact portions 71a,
71b is preferably attached so as not to drop off from the upper part of the wall 55 against friction when sliding with the clips 43a and 43b.

For this reason, in the room lamp mounting structure according to the present embodiment, the electrical contact portions 71a, 71b and the wall portion 55 are provided with locking means for preventing the electrical contact portions 71a, 71b from falling off. . The locking means is, for example, as shown in FIG.
As shown in (a), a locking claw 74 provided at the tip of a holding piece 73 serving as an opening of the electric contact portions 71a and 71b,
A projection 75 provided on the wall portion 55 and locked by the locking claw 74
And can be configured by: Further, as shown in FIG. 7B, the locking means may be configured by a locking claw 74 and a groove 77 provided on the wall 55 and locked by the locking claw 74. Good.

By providing such locking means, the locking claws 74 of the electric contact portions 71a, 71b can be
5 can be reliably prevented from dropping off the electrical contact portions 71a, 71b from the wall portion 55 due to sliding contact of the clips 43a, 43b. I have.

Next, the operation of the room lamp mounting structure thus configured will be described. Room lamp unit 31
When the clip 43 is inserted into the room lamp mounting hole 53 of the roof trim 51, the respective clips 43 are brought into contact with the engagement flanges 57 and are elastically deformed in a direction of being pressed against the unit body 35.

Further, when the room lamp unit 31 is pushed into the room lamp mounting hole 53, the clip 4
3 gets over the engagement flange 57. At the same time as the clip 43 gets over the engagement flange 57, the room lamp unit 31
However, it comes into contact with the periphery of the room lamp mounting hole 53, and further insertion is restricted.

In this state, each clip 43 sandwiches the engagement flange 57 with the flange 39. As a result, the movement of the room lamp unit 31 in the insertion direction is restricted, and rattling does not occur. Further, since each clip 43 is pressed toward the unit body 35 by the inner wall surface of the room lamp mounting hole 53,
A reaction force is applied to the inner wall surface of the room lamp mounting hole 53 by the elastic restoring force. Thus, the movement of the room lamp unit 31 in the horizontal direction (the direction parallel to the surface of the roof trim 51) is restricted, and rattling does not occur.

In such an attached state, a pair of clips 4 provided on one side wall of the unit body 35
As shown in FIG. 6, 3a and 43b come into contact with electric contact portions 71a and 71b sandwiched between wall portions 55.
That is, the room lamp unit 31 is mounted in the room lamp mounting hole 53 and at the same time, the electrical contact portions 71a,
The electrical connection with 71b is completed.

As described above, according to the above-described room lamp mounting structure, when the room lamp unit 31 is mounted in the room lamp mounting hole 53, a pair of clips 43a,
43b and the electric contact portions 71a and 71b come into contact with each other, so that the mounting of the room lamp unit 31 and the electric wiring connection are completed simultaneously with one touch.

Therefore, unlike the conventional structure, it is not necessary to separately fix the screw of the room lamp unit and connect the connector, and the workability of mounting the room lamp unit 31 is improved. Further, since the electric contact portions 71a, 71b connected to the electric wires are brought into contact with the clips 43a, 43b, a connector is not required.

Further, the electric contact portions 71a and 71b are formed in a U-shape, are fitted from above the wall portion 55, and the wall portion 55 is clamped from the front and back by the opposing clamping pieces 73. The portions 71a and 71b can be easily arranged in the vicinity of the room lamp mounting hole 53 with a simple assembly structure.

Further, a locking claw 74 is provided at the tip of each of the electrical contact portions 71a and 71b, and a projection 65 or a groove 67 for locking the locking claw 74 is provided on the wall portion 55.
1a, 71b can be prevented from moving in the room lamp unit insertion direction. Thereby, when the room lamp unit 31 is inserted, it is possible to prevent the electric contact portions 71a, 71b from moving in the same direction due to friction with the clips 43a, 43b, resulting in poor contact, and to always obtain a reliable contact state. Can be.

[0062]

As described in detail above, the room lamp mounting structure according to the present invention is provided with a pair of clips which are engaged with the periphery of the room lamp mounting hole in the room lamp unit. Through the conductor, near the room lamp mounting hole of the roof trim,
As a power supply means, a flat cable with an exposed conductor portion or an electrical contact portion connected to the ends of a pair of electric wires is provided so as to be able to contact the pair of clips, so that the room lamp unit is attached to the room lamp mounting hole. Thus, the pair of clips and the conductor portion or the electrical contact portion of the flat cable are brought into elastic contact with each other, so that the mounting of the room lamp unit and the electrical wiring connection can be performed simultaneously with one touch. As a result, the mounting workability of the room lamp unit can be improved. In addition, the clip and the conductor, which are the support portions of the room lamp unit, can be integrated with each other, and the connection can no longer be made with the connector. Further, since the clip serves as the locking means and the terminal, the increase in the number of parts can be suppressed to reduce the cost, and at the same time, the room lamp unit can be reduced in size and the design flexibility can be improved.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a room lamp mounting structure according to a first embodiment of the present invention.

FIG. 2 is an explanatory diagram showing a front view of a clip provided in the room lamp unit of FIG. 1 and FIG.

FIG. 3 is a sectional view of the room lamp mounting structure of FIG. 1 in a state where a room lamp unit is mounted in a room lamp mounting hole.

FIG. 4 is a view as viewed in the direction of arrows BB in FIG. 3;

FIG. 5 is an exploded perspective view of a room lamp mounting structure according to a second embodiment of the present invention.

6 is a cross-sectional view of the room lamp mounting structure of FIG. 5 in a state where a room lamp unit is mounted in a room lamp mounting hole.

FIGS. 7A and 7B are explanatory views showing examples of different locking structures between the electric contact portion and the wall portion. FIGS.

FIG. 8 is a perspective view of a main module showing a conventional room lamp mounting structure.

[Explanation of symbols]

 31 Room lamp unit 33 Lamp 33a, 33b Terminal (electrode) 43 (43a, 43b) Clip 47a, 47b, 47c Conductor 51 Roof trim 53 Room lamp mounting hole 59 Flat cable 61a, 61b Conductor 63 Insulating coating 69 Electric wire 71a, 71b Electric contact part 73 Nipping piece 74 Locking claw 75 Projection 77 Groove

Claims (8)

[Claims] 1. A room lamp mounting structure for mounting a room lamp unit in a room lamp mounting hole formed in a roof trim, wherein the room lamp mounting structure is provided in the room lamp unit and is engaged with a peripheral edge of the room lamp mounting hole. And at least a pair of conductive clips for fixing the room lamp unit to the room lamp mounting hole, and a conductor provided on the room lamp unit and electrically connecting the pair of electrodes of the lamp and the pair of clips, Power supply means disposed near the room lamp mounting hole of the roof trim, wherein the pair of clips also serve as terminals for connecting to the power supply means and supplying power to the pair of electrodes. Room lamp mounting structure. 2. The power supply means according to claim 1, wherein the insulating coating of the pair of conductors is removed, and the conductors are exposed flat cables so as to come into contact with the pair of clips. Room lamp mounting structure. 3. The room lamp mounting structure according to claim 2, wherein the flat cable is arranged in parallel with a direction in which the room lamp unit is inserted into the room lamp mounting hole. 4. The flat cable according to claim 3, wherein a conductor portion of the flat cable is wired in a direction perpendicular to a direction in which the room lamp unit is inserted into the room lamp mounting hole.
The described room lamp mounting structure. 5. A wall portion parallel to a room lamp unit insertion direction into the room lamp mounting hole is provided near the room lamp mounting hole of the roof trim, and a side surface of the wall portion on the room lamp mounting hole side. The flat cable is sandwiched and fixed between the elastic holding piece and the side face.
The room lamp mounting structure according to claim 4. 6. The power supply means according to claim 1, wherein said power supply means includes an electric contact portion which is electrically connected to tips of a pair of electric wires and is capable of contacting said pair of clips. Room lamp mounting structure. 7. A wall portion is provided in the vicinity of the room lamp mounting hole in parallel with a direction in which the room lamp unit is inserted into the room lamp mounting hole, and the holding member is bent in a U-shape with holding pieces facing each other. The electric contact portion is disposed near the room lamp mounting hole with the wall portion being sandwiched between the holding pieces.
The described room lamp mounting structure. 8. A locking claw is provided at a tip of the holding piece, which is an opening of the electric contact portion, and the locking claw of the electric contact portion is locked to insert the room lamp unit into the electric contact portion. 8. The room lamp mounting structure according to claim 7, wherein a protrusion or a groove for preventing the movement of the room lamp is provided on the wall.