JP2005306132A - Vehicular interior illuminating lamp - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To extremely easily and surely install a vehicular interior illuminating lamp on a ceiling plate without looseness without increasing cost. <P>SOLUTION: This vehicular interior illuminating lamp is provided with a locking part 31 projectably arranged outside a housing 12 and arranged on the upper surface side of a projection strip part 23 formed in an opening edge part of the ceiling plate 21 by projecting outside the housing 12. The projection strip part 23 of an edge part in an opening part 22 of the ceiling plate 21, is sandwiched by the locking part 31 and an abutting part 51 composed of an outer peripheral edge part of the housing 12 by projecting the locking part 31 outside the housing 12 in a state of fitting the housing 12 in the opening part 22 of the ceiling plate 21. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a vehicular interior illumination lamp attached to a ceiling of a vehicle.

In general, a vehicle is provided with an indoor illumination lamp on its ceiling. As this room illumination lamp, as shown in FIG. 9 or FIG. 10, a housing 1 having a valve inside is fitted into the opening 2a of the ceiling plate 2, and the claw 1a of the housing 1 is connected to the channel on the opposite side. And a frame member 3 having a structure in which the edge of the opening 2a of the ceiling plate 2 is sandwiched between the housing 1 and the frame member 3 and the housing 1 is fixed to the ceiling plate 2. (For example, refer to Patent Document 1 or 2).
JP 2002-127819 A JP 2001-30828 A

  By the way, in the interior illumination lamp as described above, when fixing the housing 1 of the interior illumination lamp to the ceiling plate 2, the skeleton member 3 which is a separate member is used, resulting in an increase in cost.

  In addition, the housing 1 and the frame member 3 sandwich the edge of the opening 2a of the ceiling plate 2, but if the space between the housing 1 and the frame member 3 is wide, the housing 1 attached to the ceiling plate 2 Shaking will occur. In this case, it is conceivable to fix the housing 1 to the ceiling plate 2 with screws, but a screw which is a separate member is further required, which further increases the cost and makes the installation work complicated.

  The present invention has been made in view of the above circumstances, and provides an interior lighting for a vehicle that can be attached to a ceiling plate extremely easily and reliably without rattling, without incurring an increase in cost. The purpose is to do.

In order to achieve the above object, a vehicle interior illumination lamp according to the present invention is characterized by the following (1), (2), (3), (4), and (5).
(1) A vehicle interior illumination lamp attached to a ceiling plate of a vehicle,
A housing fitted in an opening formed in the ceiling plate, and a locking portion provided so as to protrude outward of the housing;
The locking portion is protruded outward of the housing in a state where the housing is fitted into the opening, thereby holding the opening edge of the ceiling plate together with the outer peripheral edge of the housing.
(2) A tapered surface that presses the opening edge of the ceiling plate against the outer peripheral edge of the housing when the locking portion of the vehicle interior illumination lamp of (1) protrudes outward of the housing. Having.
(3) The vehicle interior illumination lamp according to (1) or (2), further including a guide portion that guides a protruding direction of the locking portion.
(4) The vehicle interior illumination lamp according to any one of (1) to (3), further including a lever that presses the locking portion and protrudes outward of the housing.
(5) The vehicle interior illumination lamp according to any one of (1) to (4), further including fixing the locking portion protruding outward of the housing, and an outer peripheral edge portion of the housing And a locking mechanism for maintaining a state in which the opening edge portion of the ceiling plate is held by the locking portion.

According to the vehicular interior lighting of the above (1), in a state where the housing is fitted into the opening of the ceiling plate, the locking portion protrudes outward from the housing, so that The opening edge can be securely clamped between the outer peripheral edge of the housing and the engaging portion, and the housing can be attached to the ceiling plate without rattling. Thereby, the cost increase by using another member can be avoided, and it can attach to a ceiling board very easily and reliably.
Further, according to the vehicle interior illumination lamp of (2) above, the tapered portion is provided on the locking portion that presses the opening edge of the ceiling plate to the outer peripheral edge of the housing when protruding outward from the housing. Further, it is possible to more firmly and surely hold the opening edge portion of the ceiling plate by the locking portion and the outer peripheral edge portion of the housing, and a further reliable attachment state can be obtained.
Further, according to the vehicle interior illumination lamp of (3) above, since the guide portion for guiding the locking portion in the protruding direction is provided, the locking portion can be smoothly protruded to the outside of the housing to ensure a secure mounting state. Can be obtained.
Further, according to the vehicle interior illumination lamp (4) described above, by pushing a lever provided on the locking portion, the locking portion can be moved very easily and protruded outward of the housing. Thereby, workability | operativity of the attachment operation | work to a ceiling board can be improved.
According to the vehicular interior lighting of the above (5), the locking portion protruding outward of the housing is fixed, and the opening edge of the ceiling plate is sandwiched between the locking portion and the outer peripheral edge of the housing. Since the lock mechanism for maintaining the state is provided, the state of attachment to the ceiling board can be reliably maintained.

  According to the present invention, it is possible to attach the vehicle interior illumination lamp to the ceiling plate extremely easily and reliably without rattling, without causing an increase in cost.

  The present invention has been briefly described above. Furthermore, the details of the present invention will be further clarified by reading through the best mode for carrying out the invention described below with reference to the accompanying drawings.

  DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, preferred embodiments of the invention will be described in detail with reference to the drawings.

(First embodiment)
FIG. 1 is a perspective view of an interior illuminating lamp showing the structure of a vehicular interior illuminating lamp according to a first embodiment of the present invention, and FIG. 2 is a cross-sectional view showing the main part of the structure of the interior illuminating lamp mounting section of FIG. FIG.

  As shown in FIG. 1, the vehicle interior illumination lamp 11 has a housing 12 to which a valve (not shown) is attached. The housing 12 is made of synthetic resin by, for example, injection molding, and has a substantially rectangular shape in plan view. The housing 12 has an attachment surface on the upper surface side, and attachment portions 13 are provided at the four corners of the attachment surface.

  And this interior illumination light 11 engages the edge part of the opening part 22 by fitting the housing 12 in the rectangular-shaped opening part 22 formed in the ceiling board 21 of a vehicle, and ceiling It is attached to the plate 21. The ceiling plate 21 is a ridge portion 23 in which an edge portion of the opening portion 22 is bent and protruded upward in the circumferential direction.

  As shown in FIG. 2, the attachment portion 13 has a locking portion 31. The locking portion 31 has a protruding portion 32 protruding outward, and tapered surfaces 33 and 34 are formed on the upper side and the lower side of the protruding portion 32, respectively.

  The taper surface 33 is formed in a taper shape that is gradually inclined inward of the housing 12 toward the fitting direction of the ceiling plate 21 into the opening 22. Further, the tapered surface 34 is formed in a tapered shape that is gradually inclined upward in the protruding direction of the protruding portion 32.

  The upper portion of the locking portion 31 is connected to the housing 12 by an arm 35. The arm 35 is formed thin and elastically deformable. And this latching | locking part 31 can be rotated by using the connection location with the housing 12 by the arm 35 as a fulcrum.

  Further, a lever 36 that protrudes upward is formed at the upper end of the locking portion 31, and the locking portion 31 is connected by the arm 35 when a force is applied to the lever 36 in the direction of arrow A in FIG. 2. It is rotated in the protruding direction of the protruding portion 32 with the location as a fulcrum.

  The locking portion 31 has a lock piece 41 extending inward of the housing 12 at the lower end thereof, and lock protrusions 42 and 43 are respectively provided at the top end of the lock piece 41. It is formed so as to protrude. The lock convex portion 43 has a tapered surface 44 that gradually inclines inward of the housing 12 downward.

  The housing 12 has a guide slit 46, and a lock piece 41 is inserted through the guide slit 46. Further, an engagement convex portion 47 is formed on the inner side of the housing 12 of the guide slit 46, and the lower lock convex portion 43 is fitted between the engagement convex portion 47 and the guide slit 46. A mating groove 48 is formed. The lock piece 41 and the engagement convex portion 47 constitute a lock mechanism. Further, the engaging convex portion 47 that forms the groove portion 48 has a tapered surface 49 that gradually inclines outward toward the outer side of the housing 12.

  The outer peripheral edge portion of the housing 12 is a contact portion 51, and the lower surface portion of the edge portion of the opening 21 of the ceiling plate 21 is in contact with the contact portion 51.

  Next, the case where the vehicle interior illumination lamp 11 having the above structure is attached to the ceiling plate 21 will be described. FIG. 3 and FIG. 4 are cross-sectional views of the main part of the structure of the attachment portion showing how to attach the interior illumination lamp to the ceiling plate.

  In order to attach the interior illumination lamp 11 to the ceiling board 21, first, the housing 12 of the interior illumination lamp 11 is fitted into the opening 22 of the ceiling board 21 with the attachment portion 13 facing upward. If it does in this way, the taper surface 33 of the latching | locking part 31 which comprises the attachment part 13 of the housing 12 will contact | abut to the edge of the opening part 22 of the ceiling board 21. FIG.

  As shown in FIG. 3, when the housing 12 is fitted into the opening 22 until the lower surface of the ceiling plate 21 comes into contact with the contact portion 51 of the housing 12, the tapered surface 33 of the locking portion 31 is the edge of the opening 22. Is pushed inward of the housing 12. As a result, the arm 35 is elastically deformed, the locking portion 31 is rotated inwardly of the housing 12 with a connection point of the arm 35 to the housing 12 as a fulcrum, and the lock piece 41 is guided by the guide slit 46 to be moved to the housing 12. Is pushed inward.

  Next, in this state, when the lever 36 of the locking portion 31 is pressed inward (in the direction of the arrow A in FIG. 12, the taper surface 34 of the locking portion 31 rides on the edge of the opening 22 of the ceiling plate 21. Thereby, the protrusion 23 formed at the edge of the opening 22 of the ceiling plate 21 is sandwiched between the contact portion 51 and the locking portion 31.

  Further, when the lever 36 is pressed, the taper surface 44 of the lower lock projection 43 formed on the lock piece 41 comes into contact with the taper surface 49 of the engagement projection 47 forming the groove 48, and these taper surfaces 44, The lock piece 41 is lifted along the inclination direction of 49. Then, when the lock projection 43 below the lock piece 41 gets over the engagement projection 47, the lock projection 43 fits into the groove 48 as shown in FIG. The upper locking projection 42 engages with the edge of the guide slit 46, and the rotation of the locking portion 31 is restricted. Further, the lock convex portion 43 below the lock piece 41 engages with the engagement convex portion 47, and the rotation of the locking portion 31 in the reverse direction is also restricted without returning to the inner side of the housing 12. It is maintained in a state of protruding outward.

  As described above, according to the vehicle interior illumination lamp 11, it is extremely easy to project the locking portion 31 outward of the housing 12 in a state where the housing 12 is fitted into the opening 22 of the ceiling plate 21. In addition, the housing 12 can be attached to the ceiling plate 21 without rattling by securely holding the opening edge of the ceiling plate 21 by the contact portion 51 and the locking portion 31 of the housing 12.

  Thereby, the cost increase by using another member can be avoided, and it can attach to the ceiling board 21 very easily and reliably.

  Moreover, since the taper surface 34 which presses the opening edge part of the ceiling board 21 to the contact part 51 when protruding outside the housing 12 is provided in the lock part 31, the lock part 31 and the contact part 51 Thus, the opening edge of the ceiling plate 21 can be pinched more firmly and securely, and a more reliable attachment state can be obtained.

  Moreover, since the guide slit 46 which is a guide part which guides the latching | locking part 31 to a protrusion direction was provided, the latching | locking part 31 can be smoothly protruded outward of the housing 12, and a reliable attachment state can be obtained.

  Further, by pushing the lever 36 provided on the locking portion 31, the locking portion 31 can be moved very easily to protrude outward of the housing 12. Thereby, workability | operativity of the attachment work to the ceiling board 21 can be improved.

  Further, the locking portion 31 that protrudes outward from the housing 12 is fixed, and the locking piece 41 that holds the opening edge portion of the ceiling plate 21 by the contact portion 51 and the locking portion 31 and the engagement protrusion Since the lock mechanism including the portion 47 is provided, the attachment state to the ceiling board 21 can be reliably maintained.

(Second Embodiment)
Next, a vehicle interior illumination lamp that is a second embodiment of the present invention will be described. The same structural parts as those in the first embodiment are denoted by the same reference numerals, and description thereof is omitted or simplified.

  FIG. 5 is a perspective view of the interior illumination lamp showing the structure of the vehicle interior illumination lamp according to the second embodiment of the present invention, FIG. 6 is a plan view of the interior illumination lamp showing the structure of the interior illumination lamp of FIG. FIGS. 7A and 7B are a main part plan view and a main part cross-sectional view of the structure of the mounting part, showing the main part of the structure of the mounting part of the indoor lamp in FIG.

  As shown in FIGS. 5 to 7, the vehicle interior illumination lamp 61 has a locking portion 71 at the mounting portion 13. The locking portion 71 is slidably provided on a slide surface 72 formed on the housing 12.

  Further, the housing 12 is formed with a guide window 73 that opens to the side, and the locking portion 71 slides on the slide surface 72 so that a part of the locking portion 71 appears and disappears at the guide window 73. It is possible.

  The locking portion 71 has a tapered surface 74 formed on the lower side thereof in a tapered shape that is gradually inclined upward in the protruding direction from the guide window 73.

  One side of the locking portion 71 is connected to the housing 12 by an arm 75. The arm 75 is thin and elastically deformable.

  Further, the locking portion 71 is formed with a lever 76 protruding upward, and the locking portion 71 slides on the slide surface 72 when a force acts on the lever 76 in the direction indicated by the arrow B in FIG. A part of the projection protrudes from the guide window 73. Further, at this time, the locking portion 71 is rotated in a plan view with the connection portion by the arm 75 as a fulcrum.

  The locking portion 71 has a locking piece 81 that protrudes slightly to the rear end side on the other side portion, and an engaging convex portion 82 is formed on the housing 12 side. . The lock piece 81 and the engagement projection 82 constitute a lock mechanism. When the locking portion 71 protrudes from the guide window 73, the lock piece 81 engages with the engagement projection 82. It is like that.

  Next, the case where the vehicle interior illumination lamp 61 having the above structure is attached to the ceiling plate 21 will be described. FIG. 8A and FIG. 8B are a main part plan view and a main part sectional view of the structure of the attachment part showing how to attach the indoor illumination lamp to the ceiling plate.

  First, the housing 12 of the room lamp 61 is fitted into the opening 22 until the lower surface of the ceiling plate 21 comes into contact with the contact portion 51 with the attachment portion 13 facing upward.

  Next, in this state, the lever 76 of the locking portion 71 is pressed to the side of the housing 12 (in the direction of arrow B in FIG. 7). In this manner, as shown in FIG. 8, the locking portion 71 slides on the slide surface 72 while rotating around the connection portion of the arm 75 with the housing 12 as a fulcrum, and a part thereof is a guide window. 73, the tapered surface 74 of the locking portion 71 rides on the edge of the opening 22 of the ceiling plate 21. Thereby, the protrusion 23 formed at the edge of the opening 22 of the ceiling plate 21 is sandwiched between the contact portion 51 and the locking portion 71.

  Further, when the lock piece 81 moves beyond the engagement convex portion 82 by moving the locking portion 71 in this way, the lock piece 81 is engaged with the engagement convex portion 82. To do. As a result, the locking portion 71 is prevented from rotating in the reverse direction, and is maintained in a state of protruding outward without returning to the inner side of the housing 12.

  Thus, also in the case of the vehicle interior illumination lamp 61, the locking portion 71 protrudes outward of the housing 12 in a state of being fitted into the opening 22 of the ceiling plate 21 as in the first embodiment. By doing so, the opening edge of the ceiling plate 21 is securely clamped between the contact portion 51 and the locking portion 71 of the housing 12 and the housing 12 is attached to the ceiling plate 21 without rattling. Can do.

  Thereby, the cost increase by using another member can be avoided, and it can attach to the ceiling board 21 very easily and reliably.

  Moreover, since the taper surface 74 which presses the opening edge part of the ceiling board 21 to the contact part 51 when protruding outside the housing 12 is provided in the lock part 71, the lock part 71, the contact part 51, Thus, the opening edge of the ceiling plate 21 can be pinched more firmly and securely, and a more reliable attachment state can be obtained.

  Moreover, since the guide window 73 which is a guide part which guides the latching | locking part 71 to a protrusion direction was provided, the latching | locking part 71 can be smoothly protruded to the outward of the housing 12, and a reliable attachment state can be obtained.

  Further, by pushing a lever 76 provided on the locking portion 71, the locking portion 71 can be moved very easily and protruded outward of the housing 12. Thereby, workability | operativity of the attachment work to the ceiling board 21 can be improved.

  Further, the locking portion 71 that protrudes outward from the housing 12 is fixed, and the locking piece 81 and the engagement protrusion that maintain the holding state of the opening edge portion of the ceiling plate 21 by the contact portion 51 and the locking portion 71 are fixed. Since the lock mechanism including the portion 82 is provided, the state of attachment to the ceiling board 21 can be reliably maintained.

  The present invention is not limited to the above-described embodiments, and modifications, improvements, etc. can be made as appropriate. In addition, the shape, size, numerical value, form, number, arrangement location, and the like of each component in the above-described embodiment are arbitrary and are not limited as long as the present invention can be achieved.

It is a perspective view of the interior illumination lamp which shows the structure of the vehicle interior illumination lamp which is the 1st Embodiment of this invention. It is sectional drawing which shows the principal part of the structure of the attaching part of the room illuminating lamp of FIG. It is principal part sectional drawing of the structure of the attachment part which shows how to attach the indoor illumination lamp of FIG. 1 to the ceiling board. It is principal part sectional drawing of the structure of the attachment part which shows how to attach the indoor illumination lamp of FIG. 1 to the ceiling board. It is a perspective view of the interior illumination lamp which shows the structure of the interior illumination lamp for vehicles which is the 2nd Embodiment of this invention. FIG. 6 is a plan view of the room illumination lamp showing the structure of the room illumination lamp of FIG. 5. (A) And (b) is the principal part top view and principal part sectional drawing of the structure of an attachment part which show the structure of the attachment part of a room illuminating lamp. (A) And (b) is a principal part top view and principal part sectional drawing of the structure of the attachment part which shows how to attach an indoor illumination lamp to the ceiling board. It is a perspective view for demonstrating the structure of the conventional room lamp. It is sectional drawing for demonstrating the structure of the conventional room lamp.

Explanation of symbols

DESCRIPTION OF SYMBOLS 11, 61 Vehicle interior lighting lamp 12 Housing 21 Ceiling board 22 Opening part 31, 71 Locking part 34, 74 Tapered surface 36, 76 Lever 41, 81 Lock piece (lock mechanism)
46 Guide slit (guide part)
47, 82 Engaging projection (locking mechanism)
73 Guide window (guide section)

Claims (5)

A vehicle interior lamp that is attached to a ceiling plate of a vehicle,
A housing fitted in an opening formed in the ceiling plate, and a locking portion provided so as to protrude outward of the housing;
The engaging portion is protruded outward of the housing in a state where the housing is fitted in the opening, thereby holding the opening edge of the ceiling plate together with the outer peripheral edge of the housing. Vehicle interior lighting.   2. The vehicle according to claim 1, further comprising a tapered surface that presses an opening edge portion of the ceiling plate against an outer peripheral edge portion of the housing when the locking portion protrudes outward of the housing. Interior lighting.   The vehicle interior illumination lamp according to claim 1, further comprising a guide portion that guides a protruding direction of the locking portion.   The vehicular interior illumination lamp according to any one of claims 1 to 3, further comprising a lever that presses the locking portion and protrudes outward of the housing.   A locking mechanism for fixing the locking portion protruding outward of the housing and maintaining a state in which the opening edge of the ceiling plate is held by the outer peripheral edge of the housing and the locking portion; The interior lighting for vehicles as described in any one of Claims 1-4 characterized by these.

Images