Indoor lighting

Abstract

To provide an indoor lighting lamp which can easily restrict movement of an indoor lighting lamp assembled to an interior material relative to the interior material.SOLUTION: In an indoor lighting lamp 1A, a frame part 11A formed around a housing body part 10 has: first engagement parts 12 each of which restricts movement of a base 2 in a removing direction and an engagement direction relative to an interior material 100 by a tip 12a facing the interior material 100 in an insertion direction at a slide position; an engaged part 13 which is located in a releasing direction relative to the first engagement parts 12; and a second engagement part 14 with which the engaged part 13 is engaged. The second engagement part 14 is turned into an engagement state at the slide position and contacts with an inner peripheral surface 101a of a through hole 101 in the releasing direction to restrict movement of the base 2 in the releasing direction relative to the interior material 100.SELECTED DRAWING: Figure 1

Description

[Technical field]

[0001] The present invention relates to an interior lighting device. [Background technology]

[0002] In vehicles such as automobiles, interior lighting that illuminates the interior of the vehicle is provided, for example, on the ceiling surface of the vehicle interior. For example, Patent Document 1 discloses an interior lighting that is attached by inserting a housing of the interior lighting into an opening provided in the interior material of the vehicle, and clamping the interior material between an erect member erected on the back surface of the housing and a bending member that is connected to the tip of the erect member and can be bent approximately parallel to the back surface of the housing. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] JP 2005-335452 A Summary of the Invention [Problem to be solved by the invention]

[0004] Incidentally, since an interior lamp uses an LED or the like as a light source, bulb replacement is not required, and it is preferable that the interior lamp has a structure that makes it difficult to come off easily from the interior material in the vehicle cabin, taking into consideration the possibility of children playing with it. As such, as a fixing structure that makes it difficult for the interior lamp to easily fall off the interior material and reduces the load on the interior material during assembly work, for example, there is a structure in which a locking part is inserted into a through hole formed in the interior material and slid in one horizontal direction to hook a locking claw formed on the locking part onto the interior material. In this case, since the interior lamp needs to be fixed to the interior material by sliding it in the locking direction, a structure that restricts the relative movement of the interior lamp is required to maintain the slid state.

[0005] The present invention has been made in consideration of the above-mentioned problems, and has an object to provide an interior lighting device that can easily restrict relative movement of the interior lighting device attached to an interior material with respect to the interior material. [Means for solving the problem]

[0006] In order to achieve the above object, an interior lighting lamp according to the present invention comprises an illumination unit that illuminates the interior of a vehicle, an accommodation main body that accommodates the illumination unit therein, and a base having a frame portion formed around the accommodation main body, the base being movable between an insertion position where at least a part of the accommodation main body is inserted in an insertion direction from the interior side into a through hole formed in an interior material to be placed in the interior, and a slide position where the base is moved from the insertion position in a locking direction perpendicular to the insertion direction with respect to the through hole, the frame portion being formed to protrude in the insertion direction, and at the insertion position, a tip portion protrudes to the exterior side, which is opposite the interior side with respect to the interior material, and at the slide position, the tip portion faces the interior material in the insertion direction, The base has a first locking portion that restricts movement of the base in the removal direction and the locking direction, which is the direction opposite to the insertion direction of the base relative to the interior material, a locked portion that protrudes in the insertion direction and is located further than the first locking portion in a release direction, which is the direction opposite to the locking direction, and a second locking portion that protrudes in the insertion direction and is locked to the locked portion, wherein the second locking portion is connected to the frame portion via a flexible hinge portion, extends in the insertion direction in an unlocked state and extends in the release direction in an locked state, is in the locked state in the sliding position, and abuts against the inner surface that constitutes the through hole in the release direction, thereby restricting movement of the base in the release direction relative to the interior material.

[0007] Advantageous Effects of Invention According to the interior lighting device of the present invention, it is possible to easily restrict the relative movement of the interior lighting device mounted in an interior material with respect to the interior material. [Brief description of the drawings]

[0008] [Figure 1] FIG. 1 is an exploded perspective view showing a schematic configuration of an interior lighting device and interior materials according to a first embodiment. [Diagram 2] FIG. 2 is a perspective view of an interior lighting device mounted in the interior material of FIG. [Diagram 3] FIG. 3 is an exploded perspective view showing a schematic configuration of an indoor illumination lamp according to the first embodiment. [Figure 4] FIG. 4(A) is a side view showing an insertion position of the indoor illumination lamp according to the first embodiment, FIG. 4(B) is a side view showing a sliding position of the indoor illumination lamp, and FIG. 4(C) is a side view showing a state after the fixing structure of the indoor illumination lamp is fixed. [Diagram 5] FIG. 5 is an external perspective view of an interior illumination lamp according to a first modified example of the first embodiment. [Figure 6] FIG. 6(A) is an external perspective view showing a state in which an interior illumination lamp according to a first modified example is removed from an interior material, and FIG. 6(B) is an external perspective view showing a state in which a fixing structure of the interior illumination lamp is released. [Figure 7] FIG. 7(A) is an external perspective view of an indoor illumination lamp according to a second modified example of the first embodiment, and FIG. 7(B) is a side cross-sectional view showing a state after the fixing structure of the indoor illumination lamp according to the second modified example is fixed. [Figure 8] FIG. 8 is an external perspective view of an interior illumination lamp according to a third modified example of the first embodiment. [Figure 9] FIG. 9(A) is a side cross-sectional view showing a state after the fixing structure of the indoor illumination lamp according to the third modified example is fixed, and FIG. 9(B) is a side cross-sectional view showing a state in which the fixing structure of the indoor illumination lamp according to the third modified example is released. [Figure 10] FIG. 10(A) is an external perspective view of an indoor illumination lamp according to a second embodiment, and FIG. 10(B) is a side cross-sectional view showing a state before and after fixing of a fixing structure of the indoor illumination lamp according to the second embodiment. [Figure 11] FIG. 11(A) is an external perspective view of an indoor illumination lamp according to a third embodiment, and FIG. 11(B) is a side cross-sectional view showing a state before and after fixing of a fixing structure of the indoor illumination lamp according to the third embodiment. [Figure 12] FIG. 12(A) is an external perspective view of an indoor illumination lamp according to a fourth embodiment, and FIG. 12(B) is a side cross-sectional view showing a state after the fixing structure of the indoor illumination lamp according to the fourth embodiment is fixed. [Figure 13] FIG. 13 is a cross-sectional view in the locking direction showing a state after the fixing structure of the interior illumination lamp according to the fourth embodiment is fixed. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0009] Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings. Note that the present invention is not limited to this embodiment. In addition, the components of the following embodiment include those that a person skilled in the art can easily imagine, or those that are substantially the same. In addition, the components of the following embodiment can be omitted, replaced, or modified in various ways without departing from the gist of the invention.

[0010] The interior lamps 1A, 1B, 1C, 1D, 1E, 1F, and 1G according to this embodiment are mounted in an interior material 100 constituting a part of the vehicle interior, for example, in the interior of a vehicle, and illuminate the interior of the vehicle. The interior lamps 1A to 1G are, for example, room lamps arranged on the ceiling surface in the vehicle interior, and are turned on and off in response to an operation by a vehicle occupant or the opening and closing of the vehicle door. As shown in Figs. 1 and 2, the interior lamps 1A to 1G are fixed to the interior material 100 arranged in the vehicle interior with a part of the interior lamp 1A inserted in an insertion direction from the interior side into a through hole 101 formed in the interior material 100.

[0011] In the interior material 100, the through hole 101 is formed in a rectangular shape to match the shape of a part of the interior lighting 1A to 1G to be inserted into the through hole 101 when viewed from the insertion direction. The through hole 101 penetrates in the plate thickness direction between the interior material surface 100a facing the room side and the interior material back surface 100b facing the outside of the room. The through hole 101 has a pair of hole grooves 102 on the inner peripheral surface 101a. Each hole groove 102 is formed so as to be recessed outward from the inner peripheral surface 101a, and has a substantially rectangular shape when viewed from the insertion direction. When the through hole 101 is viewed from the insertion direction, the pair of hole grooves 102 are located in the substantially central portion of the inner peripheral surface 101a on the width direction side along the sliding direction, and are formed opposite each other in the width direction.

[0012] In the following description, the illustrated X direction is the sliding direction of the interior lighting 1A-1G relative to the interior material 100. Of the X directions, the X1 direction is the locking direction, and the X2 direction is the release direction. The illustrated Y direction is the width direction of the interior lighting 1A-1G, and is perpendicular to the X direction. The illustrated Z direction is the insertion / removal direction of the interior lighting 1A-1G relative to the interior material 100, and is perpendicular to the X and Y directions. Of the Z directions, the Z1 direction is the insertion direction of the interior lighting 1A-1G, and the Z2 direction is the removal direction. Here, the X and Y directions are along the horizontal direction when the vehicle is positioned on a horizontal plane, and the Z direction is along the vertical direction. Furthermore, unless otherwise specified, each direction used in the following description represents a direction in a state in which each part is assembled to each other and mounted on the vehicle. Furthermore, in each drawing, each member is appropriately simplified and omitted.

[0013] [First embodiment] First, an indoor illumination lamp 1A according to the first embodiment will be described with reference to Figs. 1 to 5. As shown in Fig. 3, the indoor illumination lamp 1A includes a base 2, an illumination unit 3, a cover 4, a switch (SW) knob 5, and a lens 6. The base 2 has a function of engaging and fixing the indoor illumination lamp 1A to the interior material 100, a function of housing and supporting the illumination unit 3 and the SW knob 5, a function of engaging the cover 4 and the lens 6, and the like. The base 2 has a housing main body 10 that houses the illumination unit 3 therein, and a frame 11A formed around the housing main body 10.

[0014] The lighting unit 3 is a part that illuminates the interior of the vehicle. The lighting unit 3 has at least one LED (not shown) as a light source. The LED is soldered to a board. The board is provided with a PCB connector that connects to a vehicle-side connector (not shown) and a switch that switches the LED on and off. The cover 4 protects the lighting unit 3 housed in the housing main body 10. The SW knob 5 is an operation unit that, when assembled to the base 2, works in conjunction with the switch of the lighting unit 3 and accepts operations by the occupant. The lens 6 is formed so as to cover the base 2 from the insertion direction, has at least a portion that transmits light, and protects the lighting unit 3. The lens 6 has a through hole for exposing the SW knob 5 to the interior side.

[0015] As shown in FIG. 4(A), the base 2 changes between an insertion position (hereinafter simply referred to as the "insertion position") in which at least a part of the storage main body 10 is inserted in the insertion direction from the inside of the room into a through hole 101 formed in the interior material 100, and a slide position (hereinafter simply referred to as the "slide position") in which the base 2 moves from the insertion position to an engagement direction perpendicular to the insertion direction relative to the through hole 101, as shown in FIG. 4(B).

[0016] The frame 11A is formed in a flat plate shape and has a substantially rectangular shape when viewed from the insertion direction. The frame 11A has a housing body 10 at substantially the center in the sliding direction and width direction. The frame 11A has a first locking portion 12, a locked portion 13, and a second locking portion 14.

[0017] The first locking portion 12 is locked to the interior material 100. The first locking portion 12 is formed to protrude from the frame portion 11A in the insertion direction, and is disposed on both sides of the storage body portion 10 in the width direction. The first locking portion 12 has a tip portion 12a that protrudes toward the exterior side of the interior material 100, which is opposite the interior side of the interior material 100, in the insertion position. The tip portion 12a is formed to protrude from the first locking portion 12 in the locking direction. The tip portion 12a faces the interior material 100 in the insertion direction in the sliding position. The tip portion 12a has a portion that protrudes in the locking direction and has an opposing surface that faces the frame portion back surface 11b in the insertion / removal direction, and the opposing surface faces the interior material back surface 100b in the insertion / removal direction in the sliding position.

[0018] The portion of the first locking portion 12 that does not protrude toward the exterior relative to the interior material 100 at the insertion position abuts against the inner surface of the hole groove portion 102 of the interior material 100 in the locking direction at the sliding position. At the sliding position, the tip portion 12a of the first locking portion 12 faces the interior material 100 in the insertion direction, thereby restricting movement of the base 2 relative to the interior material 100 in the removal direction and the locking direction. At the insertion position, the first locking portion 12 is inserted into the hole groove portion 102 of the through hole 101 in the insertion direction. The width of the hole groove portion 102 in the sliding direction is set wider than the width of the tip portion 12a in the sliding direction.

[0019] The locked portion 13 is formed to protrude from the frame portion 11A in the insertion direction, and is located on the release direction side of the first locking portion 12. The locked portion 13 has a claw portion 16 formed to protrude from the end portion on the insertion direction side in the release direction. The claw portion 16 faces the inner peripheral surface 101a of the through hole 101 of the interior material 100 in the sliding direction in the insertion position and the sliding position. The claw portion 16 faces the second locking portion 14 in the insertion direction in a locked state in which the second locking portion 14 is locked to the locked portion 13 (hereinafter simply referred to as the "locked state"). In the locked state, the claw portion 16 faces the second locking portion 14 in the insertion direction, thereby restricting the movement of the locked portion 13 in the insertion direction relative to the second locking portion 14.

[0020] The second locking portion 14 is locked to the locked portion 13. The second locking portion 14 is connected to the frame portion 11A via a flexible hinge portion 15, and is located between the locked portion 13 and the release direction side end of the housing main body portion 10 in the sliding direction. The hinge portion 15 is formed to protrude from the frame portion 11A in the insertion direction, and is divided into two parts with a certain interval in the width direction. As shown in (B) of FIG. 4, the hinge portion 15 extends in the insertion direction in the non-locked state, and as shown in (C) of FIG. 4, it bends toward the release direction side in the locked state. The second locking portion 14 is formed to extend in the width direction, extends in the insertion direction in the non-locked state, and extends in the release direction in the locked state. The second locking portion 14 has a locking surface 14a which faces the outer peripheral surface of the cover 4 attached to the housing body 10 in the unlocking direction in the unlocked state, and faces the claw portion 16 of the locked portion 13 in the insertion direction in the locked state. In the locked state, the locking surface 14a is formed from the locking direction end of the second locking portion 14 toward the unlocking direction. In the locked state, the unlocking direction end 14b of the second locking portion 14 abuts against the inner peripheral surface 101a constituting the through hole 101 in the unlocking direction, thereby restricting the movement of the base 2 in the unlocking direction relative to the interior material 100. In this way, the second locking portion 14 is locked to the locked portion 13 to form a fixed structure for the interior lighting 1A. In the present embodiment, at least a part of the release direction side end 11a of the frame 11A faces the interior material 100 in the insertion direction in at least the locked state out of the unlocked state and the locked state. Also, at least a part of the release direction side end 11a of the frame 11A faces the interior material 100 in the insertion direction in at least the sliding position between the insertion position and the sliding position.

[0021] Next, a method of assembling the interior lighting lamp 1A to the interior material 100 will be described. The worker holds the interior lighting lamp 1A in his / her hand and lifts it toward the interior material 100 while keeping it horizontal, and inserts the housing main body 10 from the room side into the through hole 101 formed in the interior material 100 in the insertion direction. At this time, each first locking portion 12 is inserted from the tip portion 12a side into the hole groove portion 102 formed in the through hole 101 and corresponding to each first locking portion 12, and protrudes from the room side to the room outside at the insertion position ((A) in FIG. 4). In addition, in the sliding direction, there is a space between the locking direction side end of the housing main body 10 and the inner peripheral surface 101a of the through hole 101, so that the locking direction side end of the housing main body 10 does not abut against the inner peripheral surface 101a of the through hole 101 in the locking direction even when the interior lighting lamp 1A moves to the sliding position. Meanwhile, in the sliding direction, between the release direction end of the housing main body 10 and the inner peripheral surface 101a of the through hole 101, there is a space in which the second locking portion 14 and the locked portion 13 in the unlocked state are accommodated.

[0022] Next, the worker slides the interior lighting fixture 1A from the insertion position to the slide position in the locking direction. At this time, the tip 12a of the first locking portion 12 faces the interior material 100 in the insertion direction at the slide position, thereby restricting the movement of the base 2 in the removal direction and locking direction relative to the interior material 100 (FIG. 4B). As a result, the interior lighting fixture 1A is provisionally locked to the interior material 100. Next, at the slide position, the worker pushes the second locking portion 14 in the removal direction while tilting it in the release direction, and locks the second locking portion 14 to the locked portion 13 (FIG. 4B). At this time, when the second locking portion 14 rides over the claw portion 16 in the removal direction, the locked portion 13 temporarily elastically deforms in the locking direction, then transitions from a non-locked state to a locked state and elastically returns to its original state (FIG. 4C). In the locked state, the second locking portion 14 extends in the sliding direction, and the release direction side end portion 14b abuts against the inner peripheral surface 101a of the through hole 101 in the release direction, thereby restricting movement of the base 2 in the release direction relative to the interior material 100. In addition, in the locked state, the second locking portion 14 abuts against the locked portion 13 in the locking direction, thereby restricting movement of the base 2 in the locking direction relative to the interior material 100.

[0023] The interior lighting 1A described above has a first locking portion 12 that restricts movement of the base 2 in the removal direction and locking direction relative to the interior material 100 by having a tip portion 12a of the frame portion 11A formed around the housing main body portion 10 facing the interior material 100 in the insertion direction when in the sliding position, a locked portion 13 that is positioned in the release direction relative to the first locking portion 12, and a second locking portion 14 that is locked to the locked portion 13. The second locking portion 14 is in a locked state when in the sliding position, and restricts movement of the base 2 in the release direction relative to the interior material 100 by having a release direction side end portion 14b abut against the inner circumferential surface 101a of the through hole 101 in the release direction.

[0024] With the above configuration, the position of the indoor illumination lamp 1A relative to the interior material 100 is fixed, and movement of the indoor illumination lamp 1A from the slide position in the release direction is restricted. As a result, relative movement of the indoor illumination lamp 1A assembled to the interior material 100 with respect to the interior material 100 can be easily restricted. Also, compared to a case where, for example, a locking claw provided on a housing on the indoor illumination lamp side is hooked onto the periphery of a through hole in the interior material and the indoor illumination lamp is pushed into the interior material, the assembly work can be performed without applying a load to the interior material 100 or the indoor illumination lamp 1A.

[0025] [First Modification of the First Embodiment] Next, an indoor illumination 1B according to a first modified example of the first embodiment will be described with reference to Figs. 5 and 6. The indoor illumination 1B differs from the above-mentioned indoor illumination 1A in that the frame portion 11B of the base 2 has an inclined surface 17. In the following embodiment and modified examples, the same components as those in the above-mentioned first embodiment are given the same reference numerals, and their description will be omitted. Also, redundant description of common actions and effects will be omitted as much as possible. As shown in Fig. 5, the frame portion 11B has the inclined surface 17 in addition to the first locking portion 12, the locked portion 13, and the second locking portion 14.

[0026] The inclined surface 17 is inclined from the locked portion 13 toward the release direction end portion 11a of the frame portion 11B in the removal direction. The inclined surface 17 is provided on the frame portion back surface 11b that faces the interior material 100 in the insertion direction when at least a part of the release direction end portion 11a of the frame portion 11B is in the locked state. The inclined surface 17 is provided on the frame portion back surface 11b that faces the second locking portion 14 in the insertion direction when in the locked state.

[0027] Next, a method for removing the interior lighting 1B from the interior material 100 will be described. As in the past, a worker inserts the tip of a tool 110 such as a screwdriver between the interior material 100 and the interior lighting 1B, and uses the tip to push the second locking portion 14 in the removal direction to remove it from the locked portion 13 (FIG. 6(A)). When the tip of the tool 110 is inserted between the interior material surface 100a of the interior material 100 and the lens 6, the lens 6 is pushed down in the removal direction. Thereafter, when the tip of the tool 110 is pushed in the locking direction from the insertion direction side, it is inserted into the gap between the interior material surface 100a of the interior material 100 and the inclined surface 17. Then, when the handle side of tool 110 is pressed down in the removal direction, tool 110 is pushed in the insertion direction, and the tip of tool 110 reaches locking surface 14a of second locking portion 14 in the locked state, and presses second locking portion 14 against inclined surface 17. As second locking portion 14 is pressed against inclined surface 17, locking surface 14a is disengaged from claw portion 16 of locked portion 13 (FIG. 6B). This allows the second locking portion 14 to be released from its locked state relative to locked portion 13.

[0028] In the interior lighting 1B described above, the frame 11B has an inclined surface 17 that is provided on the frame back surface 11b that faces the second locking portion 14 in the insertion direction in the locked state, and that inclines from the locked portion 13 toward the release direction end 11a in the removal direction. This creates a gap between the release direction end 11a and the interior material 100, making it easier to insert the tool 110 into the gap, and facilitating access to the second locking portion 14 for the tool 110. In addition, by providing the inclined surface 17, the gap between the second locking portion 14 in the locked state and the frame 11B in the insertion direction can be widened, making it easier to insert the tool 110 and push the second locking portion 14 in the removal direction, and the second locking portion 14 can be easily put into the unlocked state. As a result, the workability when replacing the interior lighting can be improved.

[0029] [Second Modification of the First Embodiment] Next, an indoor illumination 1C according to a second modified example of the first embodiment will be described with reference to Fig. 7. The indoor illumination 1C differs from the above-mentioned indoor illumination 1B in that a frame portion 11C of a base 2 has an elastic piece 18. As shown in Fig. 7(A), the frame portion 11C has the elastic piece 18 in addition to a first locking portion 12, a locked portion 13, a second locking portion 14, and an inclined surface 17.

[0030] The elastic piece 18 is formed so as to protrude from a part of the inclined surface 17 toward the insertion direction side and extend toward the release direction side. The elastic piece 18 is arranged at two places on the inclined surface 17 at a certain interval in the width direction. The elastic piece 18 is not arranged at a position facing the locked portion 13 in the release direction when viewed from the insertion direction, and is arranged on both sides in the width direction with the locked portion 13 between them when viewed from the locking direction. The elastic piece 18 faces the second locking portion 14 in the insertion direction in the locked state and has elasticity. At least a part of the elastic piece 18 protrudes from the inclined surface 17 toward the insertion direction in the unlocked state, and is set to a height at which it abuts against the second locking portion 14 in the locked state in the insertion direction when no external force is acting on the elastic piece 18. The elastic piece 18 abuts against the second locking portion 14 in the locked state in the insertion direction in the locked state (FIG. 7B). In the locked state, when the second locking portion 14 is pressed against the inclined surface 17 by, for example, the tip of the tool 110, the elastic piece 18 generates an elastic force (repulsive force), which pushes the second locking portion 14 back in the insertion direction.

[0031] The interior lighting fixture 1C described above has a frame portion 11C formed to protrude from a part of the inclined surface 17 in the insertion direction and extend in the release direction, and has an elastic piece 18 that faces the second locking portion 14 in the insertion direction in the locked state and has elasticity. As a result, the elastic piece 18 presses the second locking portion 14 in the locked state in the insertion direction, thereby restricting movement of the second locking portion 14 in the removal direction, and the locked state between the second locking portion 14 and the locked portion 13 can be reliably maintained even if the interior lighting fixture 1C is subjected to vibrations from the outside or becomes hot.

[0032] In the second modification of the first embodiment, the frame portion 11C has a pair of elastic pieces 18, but is not limited to this and may have only one.

[0033] [Third Modification of the First Embodiment] Next, an indoor illumination 1D according to a third modified example of the first embodiment will be described with reference to Figs. 8 and 9. The indoor illumination 1D differs from the above-mentioned indoor illumination 1B in that a frame portion 11D of a base 2 has a deformed convex portion 20. As shown in Fig. 8, the frame portion 11D has the deformed convex portion 20 in addition to the first locking portion 12, the locked portion 13, the second locking portion 14, and the inclined surface 17.

[0034] The deforming convex portion 20 is formed so as to protrude from a part of the inclined surface 17 toward the insertion direction side. The deforming convex portion 20 is arranged at two locations on the inclined surface 17 at a fixed interval in the width direction. The deforming convex portion 20 is not arranged at a position facing the locked portion 13 in the release direction when viewed from the insertion direction, and is arranged on both sides in the width direction with the locked portion 13 sandwiched therebetween when viewed from the locking direction. As shown in (B) of FIG. 9, the deforming convex portion 20 faces the second locking portion 14 in the insertion direction in the locked state. The height of the locking convex portion 20 in the insertion direction is set to a height that does not contact the second locking portion 14 in the locked state. In this embodiment, the deforming convex portion 20 is formed integrally with the base portion 21 extending in the width direction. In the locked state, when the second locking portion 14 is moved toward the inclined surface 17 on the removal direction side due to an external force, for example from a tool, the deforming convex portion 20 abuts against the second locking portion 14 on the insertion direction side, and is plastically deformed by the pressing force of the second locking portion 14 in the removal direction.

[0035] When the second locking portion 14 is pressed against the inclined surface 17 by, for example, the tip of the tool 110 in the locked state, the portion of the deforming convex portion 20 that abuts against the second locking portion 14 is plastically deformed by the pressing force of the second locking portion (FIG. 9(B)). The plastically deformed deforming convex portion 20 temporarily restricts the movement of the second locking portion 14 in the insertion direction, i.e., the movement of the second locking portion 14 to return to its original locked state, due to contact friction between the plastically deformed deforming convex portion 20 and the portion in contact with the second locking portion 14. This makes it possible to temporarily maintain the unlocked state of the second locking portion 14 relative to the locked portion 13.

[0036] In the interior lighting 1D described above, the frame 11D has a deforming protrusion 20 formed to protrude from a part of the inclined surface 17 toward the insertion direction side and facing the second locking portion 14 toward the insertion direction side in the locked state. In the locked state, the second locking portion 14 is moved toward the inclined surface 17 on the removal direction side by an external force, so that the deforming protrusion 20 abuts against the second locking portion 14 on the insertion direction side and is plastically deformed by the pressing force of the second locking portion 14 toward the removal direction. As a result, when removing the interior lighting 1D from the interior material 100, when a tool 110 is inserted into the gap between the release direction side end 11a of the frame 11D and the interior material 100 to push the second locking portion 14 toward the removal direction side, the deforming protrusion 20 abuts against the second locking portion 14 and is plastically deformed by the pressing force of the second locking portion 14. The contact friction force between the plastically deformed convex portion 20 and the second locking portion 14 temporarily restricts the movement of the second locking portion 14 in the insertion direction, so that the locked state of the second locking portion 14 can easily be changed to an unlocked state.

[0037] In the third modified example of the first embodiment, the frame portion 11D has a pair of deforming protrusions 20, but is not limited to this and may have only one.

[0038] [Second embodiment] Next, an indoor illumination 1E according to a second embodiment will be described with reference to Fig. 10. The indoor illumination 1E differs from the above-described indoor illumination 1A in that the shape and position of the locked portion 23 and the shape of the second locked portion 24 are different. The frame portion 11E has a first locked portion 12, a pair of locked portions 23, and a second locked portion 24, as shown in Fig. 10.

[0039] The pair of locked portions 23 are located on both sides of the second locking portion 24 in the width direction when viewed from the locking direction in the locked state, and are configured to be elastically deformable in the width direction. Each locked portion 23 is formed to protrude from the frame portion 11E in the insertion direction, and is located closer to the release direction side than the first locking portion 12. Each locked portion 23 has a claw portion 26 formed to protrude from the end portion on the insertion direction side to one side in the width direction. Of the pair of claw portions 26, one claw portion 26 faces the other claw portion 26 in the width direction. In the locked state, the claw portion 26 faces the second locking portion 24 in the insertion direction. In the locked state, the claw portion 26 faces the second locking portion 24 in the insertion direction, thereby restricting the movement of the locked portion 23 in the insertion direction relative to the second locking portion 24.

[0040] The second locking portion 24 is locked to a pair of locked portions 23. The second locking portion 24 is connected to the frame portion 11E via a flexible hinge portion 25, and is located between the locked portion 23 and the release direction side end of the housing main body portion 10 in the sliding direction. The hinge portion 25 is formed to protrude from the frame portion 11E in the insertion direction, and is divided into two parts with a certain interval in the width direction. As shown in (B) of FIG. 10, the hinge portion 25 extends in the insertion direction in the non-locked state, and bends toward the release direction in the locked state. The second locking portion 24 is formed to extend in the width direction, extends in the insertion direction in the non-locked state, and extends in the release direction in the locked state. The second locking portion 24 is formed to have a concave shape that is concave toward the removal direction side when viewed from the width direction in the locked state. The second locking portion 24 has a locking surface 24a which faces the outer peripheral surface of the cover 4 attached to the storage body 10 in the unlocking direction in the unlocked state, and faces the claw portion 26 of the locked portion 23 in the insertion direction in the locked state. The locking surface 24a is formed from one end of the second locking portion 24 in the width direction toward the other side. In the locked state, the unlocking direction end portion 24b of the second locking portion 24 abuts against the inner peripheral surface 101a constituting the through hole 101 in the unlocking direction, thereby restricting the movement of the base 2 in the unlocking direction relative to the interior material 100. As shown in FIG. 10(A) and FIG. 10(B), in the locked state, the second locking portion 24 has an interior material holding portion 27 which extends from the second locking portion 24 in the unlocking direction and abuts against the exterior side of the interior material 100, i.e., the interior material back surface 100b. The interior material retaining portion 27 is formed to extend in the width direction. When viewed from the width direction, the interior material retaining portion 27, in the locked state, sandwiches the interior material 100 with the frame portion 11E in the insertion / removal direction.

[0041] Next, there will be described a method for assembling the interior illumination lamp 1E to the interior material 100. The assembling procedure up to the point where the interior illumination lamp 1E is provisionally locked to the interior material 100 is the same as in the first embodiment and the first to third modified examples.

[0042] In the sliding position, the worker pushes the second locking portion 24 in the removal direction while tilting it in the release direction, and locks the second locking portion 24 with the pair of locked portions 23 (FIG. 10B). At this time, when the second locking portion 24 rides over the claw portion 26 in the removal direction, the locked portion 23 temporarily elastically deforms in the locking direction, and then transitions from a non-locked state to a locked state and elastically returns to its original state. In the locked state, the second locking portion 24 extends in the sliding direction, and abuts against the inner peripheral surface 101a of the through hole 101 in the release direction, thereby restricting the movement of the base 2 in the release direction relative to the interior material 100. In the locked state, the second locking portion 24 abuts against the locked portion 23 in the locking direction, thereby restricting the movement of the base 2 in the locking direction relative to the interior material 100.

[0043] In the interior lighting 1E described above, the locked portions 23 are located on both sides of the second locking portion 24 in the width direction when viewed from the locking direction in the locked state. As a result, when the second locking portion 24 in the locked state is viewed from the insertion direction, compared to when one locked portion 23 locks only one side of the second locking portion 24, two locked portions 23 lock two non-adjacent sides of the second locking portion 24, so that, for example, the vibration of the second locking portion 24 due to external vibration can be easily suppressed. In the locked state, the second locking portion 24 is formed in a concave shape when viewed from the width direction that is concave toward the removal direction. As a result, when the second locking portion 24 in the locked state moves in the sliding direction, it abuts against the locked portion 26 in the sliding direction, and the movement of the second locking portion 24 in the sliding direction can be restricted.

[0044] Furthermore, in the interior lighting 1E, in the locked state, the second locking portion 24 has an interior material restraining portion 27 that extends and protrudes from the second locking portion 24 in the release direction and abuts the exterior side of the interior material 100. As a result, when the second locking portion 24 in the locked state is viewed from the insertion direction, two sides of the second locking portion 24 are locked by the locked portions 23, and the remaining side is restrained by the interior material restraining portion 27 to restrict movement of the second locking portion 24 in the removal direction, so that, for example, swinging of the second locking portion 24 due to external vibrations can be reliably suppressed.

[0045] [Third embodiment] Next, an indoor illumination 1F according to a third embodiment will be described with reference to Fig. 11. The indoor illumination 1F differs from the above-mentioned indoor illumination 1E in that the shapes of the locked portions 33 and the second locked portions 34 are different. The frame portion 11E has a first locked portion 12, a pair of locked portions 33, and a second locked portion 34, as shown in Fig. 11(A).

[0046] The pair of locked portions 33 are located on both sides of the second locking portion 34 in the width direction when viewed from the locking direction in the locked state, and are configured to be elastically deformable in the width direction. Each locked portion 33 is formed to protrude from the frame portion 11F in the insertion direction, and is located closer to the release direction side than the first locking portion 12. Each locked portion 33 has a concave locking recess 36 provided on a surface facing the pair of locked portions 33 in the width direction. The locking recess 36 is, for example, a circular hole penetrating in the plate thickness direction (width direction). The locking recess 36 is formed at the insertion direction side end and has a slit 38 communicating with the outside. Of the pair of locking recesses 36, one locking recess 36 faces the other locking recess 36 in the width direction. In the locked state, the locking recess 36 faces the second locking portion 34 in the width direction.

[0047] The second locking portion 34 is locked to a pair of locked portions 33. The second locking portion 34 is connected to the frame portion 11F via a flexible hinge portion 35, and is located between the locked portion 33 and the release direction side end of the housing main body portion 10 in the sliding direction. The hinge portion 35 is formed to protrude from the frame portion 11F in the insertion direction, and is divided into two parts with a certain interval in the width direction. As shown in (B) of FIG. 11, the hinge portion 35 extends in the insertion direction in the non-locked state, and bends toward the release direction side in the locked state. The second locking portion 34 is formed to extend in the width direction, extends in the insertion direction in the non-locked state, and extends in the release direction in the locked state. The second locking portion 34 has a pair of locking protrusions 37 formed in a convex shape protruding outward from both ends in the width direction of the second locking portion 34. The locking protrusions 37 are, for example, cylindrical pins having a central axis in the width direction. In the locked state, the locking protrusion 37 is locked in the locking recess 33a of the locked portion 33. When transitioning from the unlocked state to the locked state, the locking protrusion 37 passes through the slit 38 and fits into the locking recess 33a. In the locked state, the second locking portion 34 restricts movement of the base 2 in the unlocking direction relative to the interior material 100 by abutting the release direction side end 34b against the inner circumferential surface 101a constituting the through hole 101 in the release direction. In the locked state, the locking portion 33 restricts movement in the insertion direction and sliding direction relative to the second locking portion 34 by fitting the locking protrusion 37 of the second locking portion 34 into the locking recess 33a in the width direction.

[0048] Next, a method of assembling the interior lighting 1F to the interior material 100 will be described. In the sliding position, the worker pushes the second locking portion 34 in the removal direction while tilting it in the release direction, so that the locking protrusions 37 of the second locking portion 34 are locked into the locking recesses 33a of the locked portion 33 (FIG. 11B). At this time, each locking protrusion 37 passes through the slits 38 of the locked portion 33 and fits into the locking recesses 33a, which are circular holes. When the locking protrusions 37 pass through the slits 38, the locking recesses 33a open in the sliding direction and elastically deform, then transition from the locked state to the locked state, and elastically return to their original state and close in the sliding direction (FIG. 11B). In the locked state, the second locking portion 14 extends in the sliding direction, and the release direction end portion 34b abuts against the inner peripheral surface 101a of the through hole 101 in the release direction, thereby restricting movement of the base 2 in the release direction relative to the interior material 100. In addition, in the locked state, the second locking portion 14 abuts against the locked portion 13 in the locking direction, thereby restricting movement of the base 2 in the locking direction relative to the interior material 100.

[0049] In the interior lighting 1F described above, in the locked state, the locked parts 33 are located on both sides in the width direction sandwiching the second locking part 34 when viewed from the locking direction. As a result, when the second locking part 34 in the locked state is viewed from the insertion direction, compared to when one locked part 33 locks only one side of the second locking part 34, two locked parts 33 lock two non-adjacent sides of the second locking part 34, so that, for example, vibration of the second locking part 34 due to external vibrations can be easily suppressed.

[0050] In addition, in the interior illumination lamp 1F, the second locking portion 34 has a pair of locking protrusions 37 formed in a convex shape protruding outward from both ends in the width direction of the second locking portion 34. When viewed from the locking direction, the locked portion 33 is configured to be located on both sides in the width direction with the second locking portion 34 in between, and to be elastically deformable in the width direction, in the locked state. In the locked state, the locking protrusions 37 are locked to concave locking recesses 36 provided on the surfaces facing each other in the width direction of the pair of locked portions 33. As a result, the locking protrusions 37 of the second locking portion 34 are locked to the locking recesses 36 of the locked portion 33, so that not only is the movement of the locking protrusions 37 in the locked state restricted in the insertion direction, but also the movement of the locking protrusions 37 in the locked state is restricted at least in the locking direction and the release direction, so that the movement of the second locking portion 34 can be further restricted.

[0051] In addition, in the interior illumination lamp 1F, the locked portion 33 has a slit 38 formed at the insertion direction side end thereof, which communicates with the locking recess 36 (circular hole). Therefore, when the second locking portion 34 is locked to the locked portion 33, the slit 38 opens due to the pressing force of the locking protrusion 37 (pin) of the second locking portion 34, making it easier for the locking protrusion 37 to be inserted into the locking recess 36. In addition, since the pin fits into the circular hole of the locked portion 33, in the locked state, the pin abuts against the circular hole over its entire circumference, restricting movement in the locking direction and release direction relative to the second locking portion 34, thereby fixing the position of the interior illumination lamp 1F relative to the interior material 100. In addition, it is possible to prevent the second locking portion 34 and the locked portion 33 from hitting each other due to vehicle vibration, thereby preventing abnormal noise from being generated.

[0052] [Fourth embodiment] Next, an indoor illumination 1G according to a fourth embodiment will be described with reference to Fig. 12 and Fig. 13. The indoor illumination 1G differs from the above-mentioned indoor illumination 1F in that the shapes of the locked portions 43 and the second locking portions 44 are different, and the frame portion 11G has an excessive displacement prevention rib 48. As shown in Fig. 12(A), the frame portion 11G has the first locking portion 12, a pair of locked portions 43, the second locking portions 44, and the excessive displacement prevention rib 48.

[0053] As shown in FIG. 13, in the locked state, the pair of locked portions 43 are located on both sides of the second locking portion 44 in the width direction when viewed from the locking direction, and are configured to be elastically deformable in the width direction. Each locked portion 43 is formed to protrude from the frame portion 11G in the insertion direction and is located on the release direction side of the first locking portion 12. Each locked portion 43 has a concave locking recess 46 provided on a surface facing the pair of locked portions 43 in the width direction, and a wall portion 50 forming a part of the locking recess 46. Of the pair of locking recesses 46, one locking recess 46 faces the other locking recess 46 in the width direction. In the locked state, the locking recess 46 faces the second locking portion 44 in the width direction. Each locking recess 46 has a locking surface 43a that faces the locking protrusion 47 of the second locking portion 44 in the insertion direction in the locked state, and a pair of inner sides 43b that are perpendicular to the locking surface 34a and face each other in the sliding direction. The wall portion 50 is formed at the end of the locked portion 43 in the insertion direction, and has the locking surface 34a on the frame portion 11G side.

[0054] The second locking portion 44 is locked to a pair of locked portions 43. The second locking portion 44 is connected to the frame portion 11G via a flexible hinge portion 45, and is located between the locked portion 43 and the release direction side end of the housing main body portion 10 in the sliding direction. The hinge portion 45 is formed to protrude from the frame portion 11G in the insertion direction, and is divided into two parts with a certain interval in the width direction. The hinge portion 45 extends in the insertion direction in the non-locked state, and bends toward the release direction in the locked state. The second locking portion 44 is formed to extend in the width direction, extends in the insertion direction in the non-locked state, and extends in the release direction in the locked state. The second locking portion 44 has a pair of locking protrusions 47 formed in a convex shape protruding outward from both ends in the width direction of the second locking portion 44. The locking protrusions 47 are locked to the locking recesses 46 of the locked portion 43 in the locked state. When transitioning from the non-locked state to the locked state, the locking protrusion 47 climbs over the wall 50 and is inserted into the locking recess 33a. The locking protrusion 47 has a locking surface 44a on the insertion direction side. In the locked state, the locking surface 44a faces the locking surface 43a of the locking recess 46 in the insertion direction. In the locked state, the second locking portion 44 restricts movement of the base 2 in the unlocking direction relative to the interior material 100 by abutting the unlocking direction side end 44b against the inner circumferential surface 101a constituting the through hole 101 in the unlocking direction. In the locked state, the locking protrusion 47 of the second locking portion 44 is inserted in the width direction into the locking recess 36, thereby restricting movement in the insertion direction and sliding direction relative to the second locking portion 44.

[0055] As shown in FIG. 12B, the excessive displacement prevention rib 48 protrudes in the insertion direction and is formed at least on the locking direction side of the second locking portion 44. When viewed from the insertion direction, the excessive displacement prevention rib 48 extends in the sliding direction and is located between the hinge portions 45 in the width direction. The excessive displacement prevention rib 48 is set to a height (length in the insertion direction) such that the insertion direction side end does not contact the second locking portion 44 in the non-locking state and does not contact the second locking portion 44 during the transition of the second locking portion 44 from the non-locking state to the locked state. In the locked state, the excessive displacement prevention rib 48 faces a regulating surface 48a on the locking direction side of the second locking portion 44 with a gap 49 in the locking direction. It is preferable that the gap 49 has a length that allows the second locking portion 44 to transition from the non-locking state to the locked state.

[0056] In the interior lighting 1G described above, when viewed from the locking direction in the locked state, the locked parts 43 are located on both sides in the width direction sandwiching the second locking part 44. As a result, when the second locking part 44 in the locked state is viewed from the insertion direction, compared to when one locked part 43 locks only one side of the second locking part 44, two locked parts 43 lock two non-adjacent sides of the second locking part 44, so that, for example, vibration of the second locking part 44 due to external vibrations can be easily suppressed.

[0057] In addition, in the interior illumination lamp 1G, the second locking portion 44 has a pair of locking protrusions 47 formed in a convex shape protruding outward from both ends in the width direction of the second locking portion 44. When viewed from the locking direction, the locked portion 43 is configured to be located on both sides in the width direction across the second locking portion 44 in the locked state and to be elastically deformable in the width direction. In the locked state, the locking protrusions 47 are locked to concave locking recesses 46 provided on the surfaces facing each other in the width direction of the pair of locked portions 43. As a result, the locking protrusions 47 of the second locking portion 44 are locked to the locking recesses 46 of the locked portion 43, so that not only is the movement of the locking protrusions 47 in the locked state restricted in the insertion direction, but also the movement of the locking protrusions 47 in the locked state is restricted at least in the locking direction and the release direction, so that the movement of the second locking portion 44 can be further restricted.

[0058] Moreover, the interior lighting 1G has an excessive displacement prevention rib 48 in which the frame 11G protrudes in the insertion direction and is formed at least on the locking direction side of the second locking portion 44, and in the locked state, faces a restricting surface 48a on the locking direction side of the second locking portion 44 with a gap 49 in the locking direction. As a result, when an external force is applied to the second locking portion 44 in the locked state from the interior material 100 in the locking direction, the locking direction side end of the second locking portion 44 abuts against the excessive displacement prevention rib 48, thereby suppressing deformation of the hinge portion 45 in the deformed state in the locking direction side. As a result, the external force on the hinge portion 45 can be reduced and the hinge portion 45 can be protected. In addition, when the second locking portion 44 in the locked state is pressed in the locking direction by the interior material 100, the second locking portion 44 attempts to move in the locking direction together with the interior material 100, but the gap 49 is filled and the rib 48 abuts against it, thereby suppressing the relative movement of the interior lighting lamp 1G with respect to the interior material 100.

[0059] The indoor illumination lamps 1A to 1G according to the above-described embodiment and modifications may be constructed by appropriately combining the components of the above-described embodiment and modifications. [Explanation of symbols]

[0060] 1A Indoor lighting 2. Bass 3 Lighting section 10. Storage body 11A Frame 12 First locking portion 12a Tip 13 Locked part 14 Second locking portion 15 Hinge part 100 Interior materials 101 Through hole 101a Inner surface

Claims

1. A lighting unit that illuminates the interior of the vehicle; a base having a housing main body portion that houses the lighting unit therein and a frame portion formed around the housing main body portion; Equipped with The base is movable between an insertion position where at least a part of the housing main body is inserted from the inside of the room in an insertion direction into a through hole formed in an interior material to be placed in the room, and a slide position where the base is moved from the insertion position to a locking direction perpendicular to the insertion direction with respect to the through hole, The frame portion is a first locking portion that is formed to protrude in the insertion direction, and has a tip portion that protrudes toward the exterior side of the interior material, which is opposite the interior side of the interior material, at the insertion position, and faces the interior material in the insertion direction at the sliding position, thereby restricting movement of the base in the removal direction, which is the opposite direction to the insertion direction of the base relative to the interior material, and in the locking direction; a locked portion formed to protrude in the insertion direction and positioned further in a release direction than the first locking portion, which is a direction opposite to the locking direction; a second locking portion that is formed to protrude in the insertion direction and is locked to the locked portion; having The second locking portion is The hinge portion is connected to the frame portion via a flexible hinge portion. In the unlocked state, the connector extends in the insertion direction, and in the locked state, the connector extends in the release direction. The base is in the locked state at the sliding position and comes into contact with an inner circumferential surface of the through hole in the release direction, thereby restricting movement of the base in the release direction relative to the interior material. An indoor lighting device characterized by the above.

2. The engaged portion is In the locked state, the claw portion faces the second locking portion in the insertion direction, thereby restricting movement of the second locking portion in the insertion direction, The frame portion is At least a part of the release direction side end of the frame portion faces the interior material in the insertion direction in the locked state, the frame portion has an inclined surface that is provided on a surface facing the second locking portion in the insertion direction in the locked state and that is inclined from the locked portion toward the release direction end portion toward the removal direction side, 2. An interior lighting device according to claim 1.

3. The frame portion is the inclined surface is formed to protrude in the insertion direction and extend in the release direction, the inclined surface is formed to face the second locking portion in the insertion direction in the locked state, and the inclined surface has at least one elastic piece having elasticity; The elastic piece is In the locked state, the second locking portion is brought into contact with the second locking portion on the insertion direction side and elastically deformed to press the second locking portion in the insertion direction side.

3. An interior lighting device according to claim 2.

4. The frame portion is the inclined surface has at least one deformed protruding portion protruding in the insertion direction and facing the second locking portion in the locking state, The deforming convex portion is In the locked state, an external force causes the second locking portion to move toward the inclined surface on the removal direction side, so that the second locking portion comes into contact with the second locking portion on the insertion direction side, and is plastically deformed by a pressing force applied by the second locking portion toward the removal direction.

3. An interior lighting device according to claim 2.

5. The engaged portion is In the locked state, when viewed from the locking direction, the second locking portion is located on both sides in a width direction perpendicular to the locking direction and the insertion direction, with the second locking portion therebetween. The indoor lighting lamp according to any one of claims 1 to 4.

6. The second locking portion is In the locked state, the second locking portion has an interior material pressing portion that protrudes and extends in the release direction and abuts against the exterior side of the interior material.

6. An interior lighting device according to claim 5.

7. The second locking portion is a pair of locking protrusions formed in a convex shape protruding outward from both ends of the second locking portion in a width direction perpendicular to the locking direction and the insertion direction; The engaged portion is In the locked state, when viewed from the locking direction, the second locking portion is located on both sides of the second locking portion in a width direction perpendicular to the locking direction and the insertion direction, and is configured to be elastically deformable at least in the width direction, The locking protrusion is In the locked state, the pair of locked portions are locked to recessed portions formed on opposing surfaces of the pair of locked portions in the width direction. The indoor lighting lamp according to any one of claims 1 to 4.

8. The frame portion is an excessive displacement prevention rib that protrudes in the insertion direction and is formed at least on the locking direction side of the second locking portion and faces a regulating surface on the locking direction side of the second locking portion with a gap in the locking direction in the locked state; 8. An interior lighting device according to claim 7.

9. The locking protrusion is The pin is a cylindrical pin having a central axis in the width direction, The locking recess is a circular hole penetrating in the width direction, The engaged portion is A slit communicating with the circular hole is formed at the end of the insertion direction, The locking protrusion is When transitioning from the unlocked state to the locked state, the locking member passes through the slit and fits into the circular hole.

9. An interior lighting device according to claim 7 or 8.

Images