JP2014046902A - Vehicle ceiling material - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vehicle ceiling material which enables an attachment body to be securely attached to a ceiling material body, enables a user to easily check the assembly quality, and achieves stable assembly strength and excellent assembly workability.SOLUTION: A vehicle ceiling material 20 includes a ceiling material body 21 and a lighting device 30. The lighting device 30 includes: a function component 40 which fits in an opening 26 from the rear surface 21a side of the ceiling material body 21; and an interior component 60 which fits in the opening 26 from the front surface 21b side and engages with the function component 40. The interior component 60 includes a front wall 71f and a rear wall 71r which face the rear surface 21a side of the ceiling material body 21 through the opening 26; and protruding parts 72 which protrude from the front wall 71f and the rear wall 71r along a rear surface 21a. The vehicle ceiling material 20 includes an engagement body 80 which is inserted between the rear surface 21a and each protruding part 72 and engages with the protruding part 72.

Description

  The present invention relates to a vehicle ceiling material, and more particularly to a technique for attaching a mounting body to a ceiling material body.

  Conventionally, various techniques for attaching a mounting body such as a lighting device to a ceiling material constituting a ceiling surface of a passenger compartment have been proposed (see, for example, Patent Document 1).

  In Patent Document 1, a metal frame portion is provided in an opening formed in a ceiling material, a room lamp is attached to the metal frame portion, and a metal base portion is fixed to the ceiling material. The metal base portion and the metal frame portion The arrangement structure of the room lamp which connects with a metal connection part is disclosed.

  According to the arrangement structure of this patent document 1, when the curtain airbag arranged on the back surface side of the ceiling material is inflated and deployed, the room lamp and the metal frame portion are pressed by the curtain airbag so that the room lamp and the metal frame portion are the metal connecting portion. Fold out and jump out into the passenger compartment. This prevents the inflating curtain airbag from colliding with the room lamp and prevents the room lamp from being damaged.

  By the way, although the technique of patent document 1 is a technique which prevents damage to an illuminating device by making an illuminating device jump out to a vehicle interior, depending on the specification of a ceiling material main body or the specification of a mounting body, a ceiling material main body is shocked. In some cases, it is preferable to securely attach the mounting body to the ceiling material body so that the mounting body does not come off the ceiling material body when received.

  In such a case, it is common practice to attach the mounting body to the ceiling material body as follows.

FIG. 12 is a cross-sectional view illustrating an example in which the lighting device is attached to the ceiling material body. The vehicle ceiling material 100 includes a ceiling material body 101 and a lighting device 103 attached to an opening 102 provided in the ceiling material body 101. Have The illuminating device 103 includes a light source unit 105 and a functional component 106 fitted into the opening 102 from the back surface 101 a side of the ceiling material body 101, and a light projecting unit 107 and opens from the surface 101 b side of the ceiling material body 101. And an interior part 108 fitted to the portion 102.

  In this vehicle ceiling material 100, the engaging claw 111 is provided on the interior part 108, the step 112 is provided on the functional part 106, and the engaging claw 111 and the step 112 are engaged with each other. The ceiling material body 101 is sandwiched between the functional parts 106. Further, an adhesive 113 is applied to the engaging claw 111, and the engaging strength between the interior part 108 and the functional part 106 is increased by bonding the engaging claw 111 and the step 112 with the adhesive 113. Yes.

  According to the vehicle ceiling material 100, the interior component 108 can be firmly attached to the ceiling material body 101 by increasing the engagement strength between the interior component 108 and the functional component 106. Therefore, the interior part 108 is prevented from being detached from the ceiling material body 101 even if the ceiling material body 101 receives an impact in the direction indicated by the arrow (10) due to the expansion / deployment of the adjacent curtain airbag. Can do.

JP 2007-186007 A

  However, in the vehicular ceiling material 100, once the interior part 108 and the functional part 106 are assembled, it is impossible to see the bonded portion between the engaging claw 111 and the stepped part 112. For this reason, it is impossible to determine from the outside whether or not the adhesive 113 has been applied to the engaging claws 111 in the final inspection of the product.

  Moreover, it is difficult to manage the application amount of the adhesive 113 to a small amount with respect to the small engaging claws 111, and therefore, the engagement strength between the interior part 108 and the functional part 106 is likely to vary. In addition, it is necessary to work while paying attention not to apply the adhesive 113 to a portion that does not require adhesion, and workability is not good.

  Therefore, the present invention has been made in view of such circumstances, the purpose of which can firmly attach the mounting body to the ceiling material body, and can easily check the assembly quality, In addition, an object of the present invention is to provide a vehicular ceiling material that provides stable assembly strength and is excellent in assembly workability.

The present invention is grasped by the following composition.
(1) The vehicle ceiling material according to the present invention is a vehicle ceiling material having a ceiling material body and a mounting body attached to an opening provided in the ceiling material body, wherein the mounting body is the ceiling material. A first component fitted into the opening from the back side of the material body, and a second component fitted into the opening from the surface side of the ceiling material body and engaged with the first component And the second component has a wall that faces the back side of the ceiling material body from the opening, and a protruding part that projects from the wall along the back surface of the ceiling material body. And a locking body that is inserted between the back surface of the ceiling material main body and the protruding portion to lock the protruding portion.

  According to this configuration, the protrusion can be securely locked to the ceiling material body by the locking body inserted between the back surface of the ceiling material body and the protrusion of the second component. As a result, for example, when a curtain airbag is disposed adjacent to a lighting device that is a mounting body, the curtain airbag is inflated and deployed, and the ceiling material body receives an impact as the curtain airbag is inflated and deployed. Even if it receives, since a protrusion part is firmly latched by a ceiling material main body, it can prevent that a 2nd component remove | deviates from a ceiling material main body. Moreover, since the latching body inserted between the back surface and protrusion part of the ceiling material main body can be visually recognized from the outside, assembly quality can be easily confirmed in the final inspection of the product. Moreover, since it is only necessary to insert a locking body between the back surface of the ceiling material main body and the protruding portion, a stable assembly strength can be obtained and an assembly operation can be easily performed.

(2) In the vehicle ceiling material of the present invention, in the configuration of (1), the second component has a pair of walls facing each other across the opening, and the protrusion is Provided on each of the pair of walls, the locking body is formed in a U-shape and fitted from one side of the first part so as to sandwich the pair of walls; It is inserted between each said protrusion part of the wall of this, and the back surface of the said ceiling material main body, It is characterized by the above-mentioned.

  According to this configuration, since the U-shaped locking body is inserted between the respective protruding portions of the pair of walls of the second component and the back surface of the ceiling material body, the second component is more strongly fixed. Can be locked to the ceiling material body. Further, since the rigidity around the opening is enhanced by the U-shaped locking body, it is possible to prevent the opening from being deformed even when subjected to an impact caused by expansion or deployment of the curtain airbag. Thereby, it can further prevent that a 2nd component remove | deviates from a ceiling material main body.

(3) In the vehicular ceiling material of the present invention, in the configuration of (2), the locking body has a bent portion that is bent along the other side portion of the first component at the distal end portion. Features.

  According to this configuration, the latching body can be fixed to the first component by the bent portion, and the latching body can be prevented from being pulled out. If the locking body is fixed using an adhesive, an adhesive tape, or the like, in addition to an increase in parts cost and assembly man-hour, the fixing position and fixing strength of the locking body are likely to vary. In this regard, in the present invention, since the locking body is fixed by the bent portion provided in the locking body, it is possible to reduce the parts cost and the assembly man-hour, and also stabilize the fixing position and the fixing strength of the locking body. Can be achieved.

  According to the present invention, a mounting body can be firmly attached to a ceiling material main body, assembly quality can be easily confirmed, and stable assembly strength can be obtained and assembly workability can be improved. Ceiling material can be provided.

It is a perspective view of a vehicle provided with the ceiling material for vehicles of the present invention. It is the perspective view which extracted the illuminating device from the A section of FIG. 1, and was seen from diagonally back. FIG. 3 is a sectional view taken along line B-B in FIG. 2. FIG. 4 is an exploded view of FIG. 3. It is the perspective view of the interior component seen from the vehicle compartment side. It is a perspective view of the illuminating device before inserting a latching body. It is CC sectional view taken on the line of FIG. It is a figure which shows the modification of a latching body, and is a figure corresponding to FIG. It is the figure which assembled FIG. It is the D section enlarged view of FIG. It is a perspective view of the modification of a bending part, and is a figure corresponding to FIG. It is a figure explaining the example of attachment of an illuminating device.

(Embodiment)
DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments for carrying out the present invention (hereinafter referred to as “embodiments”) will be described in detail with reference to the accompanying drawings. Note that the same number is assigned to the same element throughout the description of the embodiment. In the drawings and embodiments, “front”, “rear”, “left”, and “right” respectively indicate directions viewed from the driver who gets on the vehicle.

(Overall configuration of vehicle)
First, an overall configuration of a vehicle including a vehicle ceiling material (hereinafter simply referred to as “ceiling material”) according to an embodiment will be described with reference to FIG.

  As shown in FIG. 1, the vehicle 10 includes a vehicle body 11, a front wheel 12, a rear wheel 13, and a passenger compartment 15. The vehicle body 11 includes a roof 16 that covers the upper portion of the passenger compartment 15. A ceiling member 20 is provided inside the roof 16.

  The ceiling material 20 includes a ceiling material main body 21 and a lighting device (corresponding to a mounting body) 30. The ceiling material main body 21 has a substantially rectangular shape in a plan view, and is installed on the ceiling side of the passenger compartment 15. A sun visor, a room lamp, and the like are disposed on the front portion 21f of the ceiling material body 21. Further, the left and right side end portions 22L, 22R of the ceiling material main body 21 are formed so as to gradually bend downward as the distance from the vehicle center increases.

  The illumination device 30 is provided on each of the left and right side end portions 22L and 22R. Wire harnesses 23 wired along the ceiling material body 21 are connected to the left and right lighting devices 30. The lighting device 30 is a so-called personal lamp, and is disposed above the rear seat of the passenger compartment 15 here. The optical axis of the illuminating device 30 is directed toward the center of the passenger compartment 15 from the side end portions 22L and 22R, for example, and illuminates the passenger compartment 15 or the passenger. A curtain airbag 25 (see FIG. 7) that can be inflated and deployed by receiving gas supplied from the inflator is disposed adjacent to the lighting device 30 on the back side of the ceiling material body 21.

(Whole structure of lighting device)
Next, the whole structure of the illuminating device 30 is demonstrated based on FIG. 2, FIG. In addition, in the side edge parts 22L and 22R of the ceiling material main body 21, since the two right and left lighting devices 30 have a bilaterally symmetric structure, in the following description, the lighting device 30 of the left side edge portion 22L will be described. Only explained.

  As shown in FIGS. 2 and 3, the lighting device 30 includes a functional component (corresponding to a first component) 40 and an interior component (corresponding to a second component) 60. The lighting device 30 is attached to the opening 26 provided in the ceiling material main body 21, and the functional component 40 and the interior component 60 are engaged through the opening 26 to sandwich the ceiling material main body 21. .

(Composition of functional parts and interior parts)
The configuration of the functional component 40 and the interior component 60 will be described in detail with reference to FIGS.
As shown in FIG. 4, the functional component 40 is fitted into the opening 26 from the back surface 21 a side of the ceiling material body 21, that is, from the roof 16 (see FIG. 1) side. The functional component 40 includes a light source unit 41 and a holder 42. The material constituting the functional component 40 can be selected from various materials including synthetic resin.

  The light source unit 41 includes a housing 43, and the housing 43 includes a light source (for example, an incandescent light source or a light emitting diode) 45 and a push-type switch 46. The light source 45 is provided at the front part of the housing 43 so as to protrude downward in the front. The switch 46 is provided projecting downward at the rear portion of the housing 43. Moreover, the housing 43 has a harness connection part 47 (see FIG. 2) to which the wire harness 23 is connected at the upper part.

  The holder 42 has a recess 48 that opens upward. The recess 48 is a portion to which the light source unit 41 is attached. A light source opening 51 through which the light source 45 passes and a switch opening 52 through which the switch 46 passes are provided at the bottom of the recess 48. The holder 42 includes a presser portion 53. The pressing portion 53 is provided at the lower ends of the left and right side portions 55L and 55R (see FIG. 7) of the holder 42 and functions to press the back surface 21a of the ceiling material body 21. Furthermore, an engagement groove 56 is provided inside each of the left and right side portions 55L and 55R (see FIG. 7) of the holder 42, and a step portion 57 is provided at the lower end of each engagement groove 56. .

  The interior component 60 is engaged with the functional component 40 by being fitted into the opening 26 from the surface 21 b side of the ceiling material body 21, that is, from the vehicle compartment 15 side. The interior component 60 includes a base portion 61, a light projecting portion 62 and an operation portion 63 that are attached to the base portion 61. The material constituting the interior component 60 can be selected from various materials including synthetic resin.

  The base portion 61 is provided with a light source storage chamber 65 that opens in the vertical direction. A front lower portion of the holder 42 and the light source 45 are inserted into the light source storage chamber 65 from above, and an upper portion of the light source storage chamber 65 is closed by the front lower portion of the holder 42 and the light source 45. In addition, a switch storage chamber 66 that opens in the vertical direction is formed at the rear portion of the base portion 61. A switch 46 is stored in the switch storage chamber 66.

  The light projecting unit 62 is disposed at the lower end of the light source storage chamber 65. As shown in FIG. 5, the light projecting unit 62 is formed of a transparent or semi-transparent synthetic resin cover, for example. In the illuminating device 30, the light from the light source 45 is projected onto the vehicle interior 15 (see FIG. 1) through the light projecting unit 62.

  Returning to FIG. As shown in FIG. 4, the operation unit 63 is disposed at the lower end of the switch storage chamber 66. When the operation unit 63 is pushed upward by the occupant, the switch 46 is turned on and off to switch the state of the light source 45.

  The base portion 61 has a flange portion 67 at the lower portion. The flange 67 is formed along the opening 26, and acts to press the surface 21 b of the ceiling material body 21 when the interior component 60 is fitted into the opening 26. A plurality (two in this case) of engaging claws 68 are provided on the left and right side surfaces of the base portion 61. When the interior part 60 is fitted into the holder 42, the engagement claw 68 is fitted into the engagement groove 56 and engaged with the stepped portion 57.

  Furthermore, the base 61 has a front wall 71f and a rear wall 71r (corresponding to a pair of walls). The front wall 71f and the rear wall 71r face each other in the front-rear direction across the opening 26, and face the back surface 21a side of the ceiling material body 21 when the interior component 60 is fitted into the opening 26. Each of the front wall 71f and the rear wall 71r is provided with a protrusion 72 that protrudes along the back surface 21a from the front wall 71f and the rear wall 71r. In this example, a plurality of (for example, four) protrusions 72 are provided side by side along the left-right direction on each of the front wall 71f and the rear wall 71r.

(Structure of locking body)
Next, the locking body 80 will be described with reference to FIG.
As shown in FIG. 6, the ceiling material 20 has a locking body 80. The locking body 80 is a plate-like component formed in a U-shape, and is made of an arbitrary material (for example, a metal plate). The locking body 80 includes two insertion portions 81 that extend in parallel and a connection portion 82 that connects the base ends of the two insertion portions 81.

  Each of the two insertion portions 81 has a straight portion 81a formed in a straight line along the left-right direction on the inner side. Each insertion portion 81 is inserted between the projection 72 of each of the front wall 71f and the rear wall 71r (see FIG. 4) and the back surface 21a of the ceiling material body 21. The connecting portion 82 is formed linearly along the front-rear direction, and has a pressing portion 83 at the center. The pressing portion 83 is a portion bent with the inner edge of the connecting portion 82 as a fulcrum, and stands along the side portion 55R on one side (here, the right side) of the functional component 40.

  The locking body 80 configured as described above is fitted into the functional component 40 from one side (here, the right side) so as to sandwich the front wall 71f and the rear wall 71r (see FIG. 4). In a state where the straight portion 81 a is pressed against the holder 42, the protruding portion 72 is locked by the two insertion portions 81. Further, the operator can accurately and easily fit the locking body 80 to the functional component 40 by pressing the pressing portion 83 against the side portion 55R.

  In order to fix the locking body 80 to the functional component 40, an upright portion 85 standing upward is provided at the distal end portion of the insertion portion 81, and a string (not shown) is passed through the hole 86 of the upright portion 85. The laced string may be fixed to an arbitrary portion of the ceiling material main body 21. Or you may fix the insertion part 81 and the connection part 82 to the back surface 21a of the ceiling material main body 21 using adhesive agents, such as an adhesive tape 87 (refer FIG. 2) and hot melt.

The operation and effect of the ceiling material 20 described above will be described.
According to the present embodiment, the protrusion 72 can be firmly locked to the ceiling material body 21 by the locking body 80 inserted between the back surface 21 a of the ceiling material body 21 and the protrusion 72 of the interior component 60. . Accordingly, as shown in FIG. 7, for example, the curtain airbag 25 is inflated and deployed in the direction indicated by the arrow (1), and the direction indicated by the arrow (2) is associated with the inflation and deployment of the curtain airbag 25. Since the part 21c of the ceiling material main body 21 falls to the vehicle compartment 15 side, even if the ceiling material main body 21 receives an impact, the locking portion 80 (see FIG. 3) causes the protruding portion 72 (see FIG. 3) to ceiling. The material body 21 is firmly locked. Therefore, it is possible to prevent the interior component 60 from being detached from the ceiling material body 21.

  Moreover, since the latching body 80 (refer FIG. 3) can be visually recognized from the outside, assembly quality can be easily confirmed in the final inspection of a product. Moreover, since it is only necessary to insert the locking body 80 (see FIG. 3) between the back surface 21a of the ceiling material main body 21 and the protruding portion 72 (see FIG. 3), stable assembling strength can be obtained and the assembling work can be performed. It can be done easily.

  Further, a U-shaped locking body 80 is provided between the protrusion 72 (see FIG. 3) protruding from each of the front wall 71f and the rear wall 71r (see FIG. 3) and the back surface 21a of the ceiling material body 21. Since (see FIG. 2) is inserted, the interior component 60 can be attached to the ceiling material body 21 more firmly. In addition, since the rigidity around the opening 26 is increased by the U-shaped locking body 80 (see FIG. 2), the edge of the opening 26 even when the curtain airbag 25 is subjected to an impact due to expansion / deployment or the like. It is possible to prevent the deformation of 26a. Thereby, it can prevent further that the interior component 60 remove | deviates from the ceiling material main body 21. FIG.

(Modification of the locking body)
Next, a modified example of the locking body will be described with reference to FIGS. In addition, the same code | symbol is attached | subjected to the element which is common in the latching body 80 (refer FIG. 6) mentioned above, and the overlapping description is abbreviate | omitted.

  As shown in FIG. 8, in this modification, a foldable bent portion 88B is provided at the distal end of the insertion portion 81 of the locking body 80B. After the insertion portion 81 is inserted from one side (here, the right side) of the functional component 40, the bent portion 88B is a side portion on the other side (here, the left side) of the functional component 40, as shown in FIG. Bent along 55L. Accordingly, as shown in FIG. 10, the bent portion 88 </ b> B is locked to the side portion 55 </ b> L, so that the locking body 80 </ b> B is fixed to the holder 42.

  According to the locking body 80B, the locking body 80B can be fixed to the functional component 40 by the bent portion 88B, and the locking body 80B is prevented from being pulled out to one side (here, the right side) of the functional component 40. can do. If the locking body is fixed using an adhesive, an adhesive tape, or the like, in addition to an increase in parts cost and assembly man-hour, the fixing position and fixing strength of the locking body are likely to vary. In this respect, in the locking body 80B, since the locking body 80B can be prevented from being pulled out by the bent portion 88B, it is possible to reduce the parts cost and the man-hours for assembly, and to stabilize the fixing position and the fixing strength of the locking body 80B. Can be achieved.

(Modified example of bent part)
Next, a modified example of the bent portion will be described with reference to FIG. In addition, the same code | symbol is attached | subjected to the element which is common in the latching body 80B (refer FIG. 10) mentioned above, and the overlapping description is abbreviate | omitted.

  As shown in FIG. 11, in this modification, a flange 91 is formed on the inner edge of the bent portion 88C in the locking body 80C. The flange 91 is connected to the bent portion 88C at a right angle, and is formed along the side portion 55L on the other side (here, the left side) of the functional component 40. In addition, notches 92 having an arbitrary shape (for example, a semicircular shape) are provided at both ends in the width direction of the base end portion of the bent portion 88C.

  According to the locking body 80C, when the bent portion 88C is bent, the flange 91 is guided along the side portion 55L, so that the bent portion 88C can be easily bent. Moreover, since the fold line 93 is regulated by the notch 92, the bent portion 88C can be bent accurately. Therefore, the attachment workability of the locking body 80C can be improved.

  As mentioned above, although this invention was demonstrated using embodiment, it cannot be overemphasized that the technical scope of this invention is not limited to the range as described in the said embodiment. It will be apparent to those skilled in the art that various modifications or improvements can be added to the above-described embodiments. Further, it is apparent from the scope of the claims that the embodiments added with such changes or improvements can be included in the technical scope of the present invention.

  For example, although the locking bodies 80, 80B, and 80C are shown in the embodiment, the locking body according to the present invention may be a combination of the structures of the locking bodies 80, 80B, and 80C as appropriate.

  Moreover, although the illuminating device was illustrated as an attachment body in embodiment, the attachment body which concerns on this invention is not restricted to an illuminating device, 1st components fitted on both sides of the opening part of a ceiling material main body As long as it is composed of the second component, the type is arbitrary.

10 Vehicle 15 Car compartment 20 Ceiling material (vehicle ceiling material)
21 Ceiling material main body 21a Back surface 21b Front surface 26 Opening 30 Lighting device (attachment)
40 Functional parts (first part)
45 Light source 55L Side 60 on the other side Interior part (second part)
62 Floodlight 71f Front wall (wall)
71r Rear wall (wall)
72 Protruding portion 80 Locking body 80B Locking body 80C Locking body 88B Bending portion 88C Bending portion

Claims (3)

A ceiling material for a vehicle having a ceiling material body and a mounting body attached to an opening provided in the ceiling material body,
The wearing body is
A first component fitted into the opening from the back side of the ceiling material body;
A second component that is fitted into the opening from the surface side of the ceiling material body and engaged with the first component;
Have
The second part is
A wall facing the back side of the ceiling material body from the opening;
A protrusion protruding from the wall along the back surface of the ceiling material body;
Have
A vehicle ceiling material, comprising: a locking body that is inserted between a rear surface of the ceiling material main body and the protruding portion to lock the protruding portion. The second part has a pair of walls facing each other with the opening interposed therebetween,
The protrusion is provided on each of the pair of walls;
The locking body is formed in a U-shape and is fitted from one side of the first part so as to sandwich the pair of walls, and the protrusions of the pair of walls The vehicle ceiling material according to claim 1, wherein the vehicle ceiling material is inserted between the back surfaces of the ceiling material main body.   The vehicle ceiling material according to claim 2, wherein the locking body has a bent portion at a distal end portion that is bent along the other side portion of the first component.

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