JP2005212725A - Mounting structure and mounting method for lamp unit - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a room lamp mounting structure and mounting method that can improve assembly work for a ceiling lining. <P>SOLUTION: A lamp unit 20 is mounted in a lamp mounting hole 31 cut in the ceiling lining 30, and temporarily locked with temporary locking portions 25 formed on the back of the lamp unit 20. In the temporary locking state, a built-in element 20a of the lamp unit 20 projecting on the back has a small projection. Even when the lamp unit 20 is set in a lamp notch 12b cut in a lamp mounting flange 12 inside a roof panel 11 to mount the ceiling lining 30 on the lamp mounting flange 12 and the like, the lamp unit 20 is separate from the roof panel 11. The ceiling lining 30 can be thus easily assembled. The temporarily locked lamp unit 20 is then further pressed in so that the lamp unit 20 is permanently locked in the lamp mounting hole 31 in the ceiling lining 30 with permanent locking portions 26. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a lamp unit mounting structure and a mounting method for mounting a lamp unit such as a map lamp on a ceiling.

Conventionally, a lamp mounting structure in which a room lamp is mounted on a ceiling lining is known (see, for example, Patent Document 1).
As shown in FIG. 8, in the room lamp mounting structure 100, the room lamp 101 is such that, first, the room lamp 101 is loosely fitted into the opening 102a of the ceiling lining 102, and the ceiling lining 102 is formed by the hooks 101f and 101g. It is latched and held on the back surface of the plate and temporarily latched. Then, the room lamp 101 is pushed so that the hooks 101f and 101g of the room lamp 101 get over the locking portions 103f and 103g of the room lamp support bracket 103, and the locking portions 103f and 103g are moved by the hooks 101f and 101g. Lock and fully lock. In this fully locked state, the ceiling lining 102 is made of a flexible member and is compressed by being sandwiched between the hooks 101f and 101g and the end of the lens 101a. Therefore, the room lamp 101 is attached without rattling.
Japanese Patent Laid-Open No. 11-348657 (FIG. 1)

  By the way, in the room lamp mounting structure 100 described above, the ceiling lining 102 is formed of a flexible material. In general, since the room lamp 101 has the built-in object 101b, it is desirable to make the gap between the built-in object 101b and the room lamp support bracket 103 as small as possible. Therefore, when the room lamp 101 is pushed from the temporarily locked state to the fully locked state, the hooks 101f and 101g of the room lamp 101 get over the locking portions 103f and 103g of the room lamp support bracket 103. In doing so, the ceiling lining 102 is bent, and the built-in object 101b of the room lamp 101 collides with the inner surface of the room lamp support bracket 103.

  The present invention has been made in view of the above-described problems, and an object thereof is to provide a room lamp mounting structure and a mounting method capable of improving the assembling workability of the ceiling lining.

  1) In order to achieve the above-described object, a lamp unit mounting structure according to the present invention has a lamp storage space having a predetermined height inside a roof panel and a lamp notch into which the lamp unit can be fitted. A lamp unit mounting structure for mounting a lamp unit on a mounting flange via a ceiling lining, wherein a lamp mounting hole for locking the lamp unit is provided in the ceiling lining, and the lamp unit is provided on the back of the lamp unit. Is provided to the lamp mounting hole of the ceiling lining, and the lamp unit is temporarily fixed to the lamp mounting hole of the ceiling lining at a position farther from the lamp unit than the main locking part. A temporary locking portion is provided.

In the lamp unit mounting structure thus configured, the lamp unit is mounted in a lamp mounting hole provided in the ceiling lining, and temporarily locked by a temporary locking portion provided on the back surface of the lamp unit.
In this temporarily locked state, the amount of protrusion of the lamp unit protruding from the ceiling lining toward the loop panel is small, so the lamp unit is mounted on the lamp notch provided on the lamp mounting flange inside the roof panel. Even if the ceiling lining is installed and attached to the lamp mounting flange, the lamp unit does not contact the roof panel.
For this reason, the assembly | attachment operation | work of a ceiling lining can be performed easily. Then, the lamp unit in the temporarily locked state is further pushed in, and the lamp unit is finally locked into the lamp mounting hole on the ceiling lining by the main locking portion.

  2) Further, the lamp unit mounting structure according to the present invention is provided with a ceiling lining positioning hole for positioning the ceiling lining in the lamp mounting flange, and positioning mounting for positioning the lamp lining flange on the ceiling lining. In addition to providing a hole, positioning mounting means for connecting the positioning mounting hole and the ceiling lining positioning hole is provided.

In the lamp unit mounting structure configured as described above, the lamp unit is temporarily locked in the lamp mounting hole provided in the ceiling lining, and in this state, the ceiling lining is attached to the ceiling lining of the lamp mounting flange by the positioning mounting means. Position it in the positioning hole.
Then, the lamp unit in the temporarily locked state is further pushed in, and the lamp unit is finally locked into the lamp mounting hole on the ceiling lining by the main locking portion.
Thereby, a lamp unit can be reliably attached to a predetermined position, and workability | operativity can be improved.

  3) Further, the lamp unit mounting structure according to the present invention is characterized in that the main locking portion and the temporary locking portion are respectively provided at the middle position and the tip position of the same locking arm.

  In the lamp unit mounting structure configured as described above, a temporary locking portion is provided at the tip position of the same clip and a main locking portion is provided at an intermediate position. Can be stopped.

  4) According to the lamp unit mounting method of the present invention, a ceiling lining is provided on a lamp mounting flange having a lamp storage space having a predetermined height inside the roof panel and having a lamp notch into which the lamp unit can be fitted. The lamp unit is attached to the lamp unit through a temporary locking portion provided on the back surface of the lamp unit, and the lamp unit is temporarily locked in the lamp mounting hole on the ceiling lining, After the ceiling lining temporarily locked is attached to the roof panel and the lamp mounting flange, the lamp unit is finally locked to the ceiling lining by a main locking portion.

In the mounting method of the lamp unit configured as described above, the lamp unit is temporarily locked in the lamp mounting hole provided in the ceiling lining by the temporary locking portion provided on the back surface, and the ceiling lining is attached to the roof panel and Attach to the lamp mounting flange.
In this temporarily locked state, the amount of protrusion of the built-in lamp unit that protrudes to the rear side is small, so the lamp unit is stored in the lamp notch provided on the lamp mounting flange and the ceiling lining is roofed. The lamp unit does not contact the roof panel even if it is mounted on the panel and lamp mounting flange.
For this reason, the assembly | attachment operation | work of a ceiling lining can be performed easily. Then, the lamp unit in the temporarily locked state is further pushed in, and the lamp unit is finally locked into the lamp mounting hole on the ceiling lining by the main locking portion.

  5) In the lamp unit mounting method according to the present invention, after the temporary locking, the ceiling lining is positioned by positioning and mounting the ceiling lining in the ceiling lining positioning hole of the lamp mounting flange. The lamp unit is permanently locked after being mounted on the lamp mounting flange.

  In the mounting method of the lamp unit configured as described above, after positioning the ceiling lining on which the lamp unit is temporarily locked to the lamp mounting flange by the positioning mounting means, the lamp unit in the temporarily locked state is further pushed in, The lamp unit is permanently locked to the lamp mounting hole on the ceiling lining by the locking portion. For this reason, a ceiling lining can be reliably attached to a predetermined position, and ceiling assembly workability | operativity can be improved.

  According to the lamp unit mounting structure and mounting method of the present invention, a temporary locking portion for temporarily locking the lamp unit to the ceiling lining is provided, and the ceiling lining is assembled to the roof panel in a state where the lamp unit is temporarily locked, Thereafter, the lamp unit is permanently locked, so that interference between the lamp unit and the roof panel can be avoided, and the workability of assembling the ceiling lining can be improved.

  DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments according to the present invention will be described in detail with reference to the drawings. FIG. 1 is a cross-sectional view showing a lamp unit mounting structure and mounting method according to a first embodiment of the present invention, and shows a state in which the lamp unit is temporarily locked to a ceiling lining before mounting. FIG. FIG. 3 is a sectional view showing a state in which the ceiling lining is attached to the roof panel, FIG. 3 is a sectional view showing a state in which the lamp unit is permanently locked to the ceiling lining, and FIG. 4 is a perspective view of the lamp unit.

  As shown in FIG. 1, the lamp unit mounting structure 10A according to the first embodiment of the present invention has a lamp storage space 12a of a predetermined height inside a roof panel 11 and can be fitted with the lamp unit 20 therein. The lamp unit 20 is attached to the lamp mounting flange 12 having the notch 12b through the ceiling lining 30. Accordingly, the ceiling lining 30 is provided with a lamp attachment hole 31 for attaching the lamp unit 20, and the ceiling lining 30 is attached to the roof panel 11 and the lamp attachment flange 12.

As shown in FIG. 4, the lamp unit 20 is a map lamp, for example, and has a bulb 22 (two in this case) on the front surface 21 a (lower surface in FIG. 4) of the map lamp housing 21. A lens 23 (see FIG. 1) is attached.
A built-in object 20a protrudes from the rear surface 21b (upper surface in FIG. 4) of the map lamp housing 21, and a plurality of map lamp locking claws 24 are provided outside the built-in object 20a. This map ramp locking claw 24 has a temporary locking claw 25 as a temporary locking portion at a position far from the map lamp housing 21 (that is, the tip position) in the same locking arm 24a. Further, a main locking claw 26 as a main locking portion is provided at a position closer to the map lamp housing 21 than the map lamp housing 21.

The height to the tip of the locking arm 24a is set at least lower than the height of the built-in object 20a, and only the locking arm 24a has the roof panel 11 although the built-in object 20a does not contact the roof panel 11. Inconvenient cases such as abutting on the surface are avoided.
Further, the height position of the main locking claw 26 is set to a height at which the built-in object 20a of the lamp unit 20 does not interfere with the loop panel without providing an excessive clearance when the main locking claw 26 is locked.

As shown in FIG. 4, the temporary locking claw 25 only needs to be temporarily locked to the lamp mounting hole 31 of the ceiling lining 30 so that the lamp unit 20 does not fall. Can be an isosceles triangle pointed forward.
That is, the angle of the upper inclined surface of the temporary locking claw 25 and the angle of the lower inclined surface can be made the same. On the other hand, the locking claw 26 needs to be firmly locked to the lamp mounting hole 31 of the ceiling lining 30 so that the lamp unit 20 does not fall even when an automobile vibration or external force is applied. For this reason, the shape of the main locking claw 26 can be a right triangle whose bottom surface is horizontal and whose top surface is inclined.
As a result, at the time of mounting, the locking arm 24a is bent along the inclination of the upper surface and the main locking claw 26 is moved inward, so that mounting is possible. On the other hand, since the horizontal lower surface is locked to the upper surface of the lamp mounting hole 31 of the ceiling lining 30 after the mounting, it can be prevented from falling off.

As shown in FIG. 1, the mounting direction width B1 of the lamp mounting hole 31 of the ceiling lining 30 (the horizontal direction in FIG. 1), the mounting direction width B2 of the lamp notch 12b of the lamp mounting flange 12, the left and right temporary locking claws The relationship between the distance L1 between the front ends of 25 and the distance L2 between the front ends of the left and right main locking claws 26 is B2>L2>L1> B1.
Thereby, the temporary locking claw 25 and the main locking claw 26 are temporarily locked and finally locked by the lamp mounting hole 31 of the ceiling lining 30 without interfering with the lamp mounting flange 12. Further, in combination with the shapes of the main locking claw 25 and the temporary locking claw 26 described above, the temporary locking claw 25 is temporarily locked but not completely locked. The claw 25 is completely locked.

Next, a method for attaching the lamp unit according to the present invention will be described.
As shown in FIG. 1, the lamp unit 20 is mounted in a lamp mounting hole 31 provided in the ceiling lining 30 and temporarily locked by a temporary locking claw 25 provided on the back surface of the lamp unit 20.
As shown in FIG. 2, the ceiling lining 30 is attached to the roof panel 11 and the lamp mounting flange 12 in this temporarily locked state. In this state, the protruding amount of the built-in object 20a of the lamp unit 20 protruding to the rear side is small. Therefore, even if the lamp unit 20 is housed in the lamp cutout 12b provided on the lamp mounting flange 12 and the ceiling lining 30 is attached, the built-in object 20a of the lamp unit 20 does not contact the roof panel 11.
Finally, as shown in FIG. 3, the lamp unit 20 in the temporarily locked state is further pushed in, and the lamp unit 20 is finally locked into the lamp mounting hole 31 of the ceiling lining 30 by the main locking claws 26.

  As described above, according to the lamp unit mounting structure 10A described above, the lamp unit 20 does not interfere with the ceiling panel 11 when the lamp unit 20 is temporarily locked to the ceiling lining 30 and the ceiling lining 30 is attached to the roof panel 11. Therefore, the assembly work of the ceiling lining 30 can be easily performed.

Next, a second embodiment will be described in detail based on the drawings. FIG. 5 is a sectional view showing a state in which the lamp unit is temporarily locked to the ceiling lining before mounting according to a second embodiment of the lamp unit mounting structure and mounting method of the present invention, and FIG. FIG. 7 is a cross-sectional view showing a state in which the ceiling lining is positioned on the roof panel, and FIG. 7 is a cross-sectional view showing a state where the lamp unit is permanently locked to the ceiling lining.
In addition, the same code | symbol is attached | subjected to the site | part which is common in 1st Embodiment mentioned above, and the overlapping description is abbreviate | omitted.

  As shown in FIG. 5, in the lamp unit mounting structure 10B, a lamp mounting flange having a lamp storage space 12a having a predetermined height inside the roof panel 11 and having a lamp notch 12b into which the lamp unit 20 can be fitted. 12, the lamp unit 20 is attached via the ceiling lining 30.

As shown in FIG. 5, the lamp mounting flange 12 is provided with a ceiling lining positioning hole 12 c for positioning the ceiling lining 30.
The ceiling lining 30 is provided with positioning attachment holes 32 corresponding to the ceiling lining positioning holes 12c, and the positioning of the ceiling lining 30 is determined by a plurality of clips 32 as positioning attachment means. The ceiling lining 30 is positioned by attaching it to the hole 12c.
It should be noted that the mounting direction width B1 of the lamp mounting hole 31 of the ceiling lining 30 (the horizontal direction in FIG. 5), the mounting direction width B2 of the lamp notch 12b of the lamp mounting flange 12, and the distance between the tips of the left and right temporary locking claws 25. The relationship between L1 and the distance L2 between the tips of the left and right main locking claws 26 is B2>L2>L1> B1, as in the first embodiment.

Next, a method for attaching the lamp unit according to the present invention will be described.
As shown in FIG. 5, the lamp unit 20 is mounted in the lamp mounting hole 31 provided in the ceiling lining 30 and temporarily locked by a temporary locking claw 25 provided on the back surface of the lamp unit 20. The clip 33 is mounted in the positioning mounting hole 32 of 30.
As shown in FIG. 6, the clip 33 is fitted into the ceiling lining positioning hole 12 c in the above-described temporarily locked state to position the ceiling lining 30 and attach to the lamp mounting flange 12 and the roof panel 11. At this time, since the protruding amount of the built-in object 20a of the lamp unit 20 protruding to the back side is small, the lamp lining 20 is stored in the lamp cutout 12b provided on the lamp mounting flange 12. Even when the lamp unit 20 is attached, the lamp unit 20 does not contact the roof panel 11.
Finally, as shown in FIG. 7, the lamp unit 20 in the temporarily locked state is further pushed in, and the lamp unit 20 is finally locked into the lamp mounting hole 31 of the ceiling lining 30 by the main locking claws 26.

As described above, according to the lamp unit mounting structure 10B described above, the lamp unit 20 is temporarily locked to the ceiling lining 30, the ceiling lining 30 is positioned on the lamp mounting flange 12, and the ceiling lining 30 is attached to the lamp mounting flange 12 and Since it is attached to the roof panel 11, the lamp unit 10B and the ceiling lining 30 can be accurately attached at predetermined positions.
Further, since the lamp unit 20 does not interfere with the ceiling panel 11 when the ceiling lining 30 is attached to the roof panel 11, the assembly work of the ceiling lining 30 can be easily performed.

The mounting structure and mounting method of the lamp unit of the present invention are not limited to the above-described embodiments, and appropriate modifications and improvements can be made.
For example, in each of the embodiments described above, the case where the main locking claw 26 and the temporary locking claw 25 are provided on the same locking arm 24a has been described, but both the locking claws 25 and 26 may be provided separately. . At this time, the number of the final locking claws 26 can be made larger than the number of the temporary locking claws 25 so that the final locking can be performed reliably.
In each of the above-described embodiments, the case of a map lamp as the lamp unit 20 has been described. However, the present invention can be similarly applied to, for example, a room lamp.

It is 1st Embodiment which concerns on the attachment structure and attachment method of the lamp unit of this invention, and is sectional drawing which shows the state which temporarily latched the lamp unit to the ceiling lining before attachment. It is sectional drawing which shows the state which attached the ceiling lining which temporarily latched the lamp unit to the roof panel. It is sectional drawing which shows the state which fixed the lamp unit to the ceiling lining. It is a perspective view which shows the inside of a lamp unit. It is 2nd Embodiment which concerns on the attachment structure and attachment method of the lamp unit of this invention, and is sectional drawing which shows the state which temporarily latched the lamp unit to the ceiling lining before attachment. It is sectional drawing which shows the state which positioned the ceiling lining which temporarily latched the lamp unit to the roof panel. It is sectional drawing which shows the state which fixed the lamp unit to the ceiling lining. It is sectional drawing which shows the attachment structure of the conventional lamp unit.

Explanation of symbols

10A, 10B Lamp unit mounting structure 11 Roof panel 12 Lamp mounting flange 12a Lamp storage space 12b Lamp cutout 12c Ceiling lining positioning hole 20 Lamp unit 24a Locking arm 25 Temporary locking claw (temporary locking part)
26 Locking claws (locking part)
30 Ceiling lining 31 Lamp mounting hole 32 Positioning mounting hole 33 Clip (positioning mounting means)

Claims (5)

A lamp unit mounting structure for mounting a lamp unit through a ceiling lining to a lamp mounting flange having a lamp storage space of a predetermined height inside the roof panel and having a lamp notch into which the lamp unit can be fitted,
Provide a lamp mounting hole for locking the lamp unit in the ceiling lining,
Provided on the back surface of the lamp unit is a main locking portion for attaching the lamp unit to the lamp mounting hole of the ceiling lining, and the lamp unit is located farther from the lamp unit than the main locking portion. A lamp unit mounting structure comprising a temporary locking portion for temporarily fixing the lamp mounting hole in the ceiling lining. Provide a ceiling lining positioning hole for positioning the ceiling lining in the lamp mounting flange,
The positioning attachment means for connecting the positioning attachment hole and the ceiling lining positioning hole is provided along with a positioning attachment hole for positioning the lamp attachment flange in the ceiling lining. Lamp unit mounting structure.   The lamp unit mounting structure according to claim 1 or 2, wherein the main locking portion and the temporary locking portion are provided at a middle position and a tip position of the same locking arm, respectively. A lamp unit mounting method for attaching a lamp unit to a lamp mounting flange having a lamp storage space having a predetermined height inside a roof panel and having a lamp notch into which the lamp unit can be fitted, via a ceiling lining,
The lamp unit is temporarily locked in the lamp mounting hole of the ceiling lining by a temporary locking portion provided on the back surface of the lamp unit, and the ceiling lining on which the lamp unit is temporarily locked is connected to the roof panel and the roof panel. A lamp unit mounting method, wherein after the lamp unit is mounted on the lamp mounting flange, the lamp unit is finally locked to the ceiling lining by a main locking portion.   After the temporary locking, the ceiling lining is positioned and positioned by positioning mounting means in the ceiling lining positioning hole of the lamp mounting flange, and is mounted to the roof panel and the lamp mounting flange, and then the lamp unit is fully locked. The mounting method of the lamp unit according to claim 4.

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