Support member
The support member addresses the rigidity issue in vehicle ceiling interior materials by using a plate-shaped structure with recesses and protrusions to enhance stability and prevent deformation, particularly at unsupported rear ends, ensuring reliable support and easy installation.
Patent Information
- Application Number
- JP2024112330
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2024-07-12
- Publication Date
- 2026-01-23
AI Technical Summary
Conventional vehicle ceiling interior materials lack sufficient rigidity in areas without structural support, leading to potential deformation when pressed by occupants, particularly at the rear end where structures like airbags are not present.
A support member with a plate-shaped main body and recesses is positioned outside the vehicle cabin to support the ceiling interior material, featuring protrusions and recesses to enhance rigidity and prevent displacement, and a U-shaped cross-section for increased stability.
The support member effectively prevents ceiling interior material displacement and deformation, ensuring rigidity and stability, especially at unsupported rear ends, while allowing for easy installation and accommodating dimensional errors.
Smart Images

Figure 2026011588000001_ABST
Abstract
Description
[Technical Field]
[0001] The technology disclosed in this specification relates to a support member. [Background technology]
[0002] A conventional vehicle ceiling interior material is described in Patent Document 1. The vehicle ceiling interior material (roof lining) described in Patent Document 1 is arranged to cover a vehicle panel (roof rail inner) from the inside of the vehicle cabin. In addition, a structure such as a curtain shield airbag is arranged between the ceiling interior material and the vehicle panel. [Prior art documents] [Patent documents]
[0003] [Patent Document 1] Patent Publication No. 2021-46027 Summary of the Invention [Problem to be solved by the invention]
[0004] In the above-described configuration, the portion of the ceiling interior material where the structure is disposed is supported from the outside of the vehicle cabin by the structure, thereby ensuring rigidity. However, the portion of the ceiling interior material where the structure is not disposed cannot ensure rigidity, and there is a concern that this portion may be deformed when pressed by an occupant from the inside of the vehicle cabin. For this reason, it is necessary to provide a support member that can support the ceiling interior material from the outside of the vehicle cabin.
[0005] The technology disclosed in this specification was developed based on the above circumstances, and aims to provide a support member that can prevent ceiling interior materials from being displaced toward the outside of the vehicle cabin. [Means for solving the problem]
[0006] As a means for solving the above-mentioned problems, the support member disclosed in this specification is a support member arranged between a vehicle panel and a ceiling interior material that covers the vehicle panel from the inside of the vehicle compartment and constitutes the ceiling of the vehicle compartment, and is characterized in that it has a plate-shaped support member main body that supports the ceiling interior material from the outside of the vehicle compartment, and a recess that is recessed toward the outside of the vehicle compartment is formed at the vehicle rear end of the support member main body.
[0007] When an occupant presses the ceiling interior material from inside the vehicle cabin, the support member main body supports the ceiling interior material from outside the vehicle cabin, thereby preventing the ceiling interior material from being displaced outside the vehicle cabin. Also, in the above configuration, a recess that recesses toward the outside of the vehicle cabin is formed at the rear end of the support member main body. This makes it possible to increase the rigidity of the rear end of the support member main body, which has relatively low rigidity due to its plate shape, and suppress deformation of the support member main body, thereby reliably supporting the rear end side of the ceiling interior material.
[0008] Incidentally, a structure such as an airbag (curtain shield airbag) may be disposed on the exterior side of the vehicle interior in a ceiling interior material, and in this case, while the structure can support the front portion of the ceiling interior material, there is a portion of the ceiling interior material at the rear end of the vehicle where such a structure is not present (particularly in the case of airbags, they are not disposed at the rear end of the vehicle where there are no occupants), making that portion more susceptible to deformation. In the above configuration, the ceiling interior material can be supported by the support member main body, and further, by forming a recess at the rear end of the support member main body, which is a portion far from the structure, rigidity can be increased and the rear portion of the ceiling interior material, which is a portion relatively susceptible to deformation, can be more reliably supported.
[0009] In addition, a surface of the support member main body facing the interior of the vehicle may have a plurality of protrusions that protrude into the interior of the vehicle and are aligned in the fore-and-aft direction of the vehicle, and the plurality of protrusions may support the ceiling interior material from outside the vehicle.
[0010] By supporting the ceiling interior material with multiple protrusions aligned in the longitudinal direction of the vehicle, the ceiling interior material can be supported at multiple locations in the longitudinal direction of the vehicle. Furthermore, deformation of the ceiling interior material is permitted in the areas between the multiple protrusions. This prevents interference between the ceiling interior material and the support member when dimensional errors occur during molding of the ceiling interior material, preventing interference with the work of installing the ceiling interior material.
[0011] Furthermore, a through-hole that is inserted into a through-hole formed through the vehicle panel is arranged on the surface of the support member main body that faces outside the vehicle cabin, and another vehicle panel that is arranged on the vehicle rear side of the vehicle panel is arranged so as to overlap the vehicle rear end of the vehicle panel, and the recess is arranged on the vehicle rear side of the insertion-hole and in a position that covers the vehicle rear end of the vehicle panel from inside the vehicle cabin.
[0012] The support member can be attached to the vehicle panel by inserting the insertion portion into the through-hole. In a configuration in which another vehicle panel overlaps the rear vehicle end of the vehicle panel, as in the above configuration, there is a concern that the insertion portion may interfere with the other vehicle panel. Therefore, in a configuration in which the rear vehicle end of the support member main body overlaps the rear vehicle end of the vehicle panel, it is difficult to provide an insertion portion in the rear vehicle end of the support member main body and attach it to the vehicle panel. In other words, it is difficult to attach the rear vehicle end of the support member main body to the vehicle panel and ensure rigidity. In the above configuration, forming a recess in the rear vehicle end of the support member main body, which is a portion that is difficult to attach to the vehicle panel, ensures rigidity, which is preferable.
[0013] Furthermore, an airbag may be disposed on the exterior side of the ceiling interior material, and the support member main body may be disposed on the vehicle rear side of the airbag. In the portion of the ceiling interior material where the airbag is disposed, components of the airbag support the ceiling interior material from the exterior side of the vehicle, thereby ensuring the rigidity of the ceiling interior material. According to the above configuration, the support member main body can support the portion of the ceiling interior material where the airbag is not disposed.
[0014] The support member main body may have a generally U-shaped cross section. The generally U-shaped cross section increases rigidity. The length of the support member main body in the vehicle interior / exterior direction can be ensured. Therefore, when a structure such as an airbag (curtain shield airbag) is disposed on the front side of the support member, the step between the surface of the structure facing the interior of the vehicle and the surface of the support member main body facing the interior of the vehicle can be reduced. Therefore, the ceiling interior material can be reliably supported from the exterior of the vehicle by both the structure and the support member, and displacement of the ceiling interior material can be suppressed. [Effects of the Invention]
[0015] According to the present invention, it is possible to provide a support member that can prevent a ceiling interior material from being displaced toward the outside of the vehicle compartment. [Brief explanation of the drawings]
[0016] [Figure 1] FIG. 1 is a diagram showing the interior of a vehicle in which a ceiling interior material supported by a support member according to an embodiment of the present invention is provided. [Figure 2] Perspective view showing ceiling interior material [Figure 3] FIG. 1 is a perspective view showing a support member attached to a roof side panel. [Figure 4] A front view of the support member as seen from inside the vehicle interior. [Figure 5] FIG. 1 is a perspective view of the support member as viewed from outside the vehicle interior; [Figure 6]A cross-sectional view of a part of the support member (corresponding to the view cut along line VI-VI in Figure 4). [Figure 7] A cross-sectional view of a part of the support member (corresponding to the view cut along line VII-VII in Figure 4). [Figure 8] 5 is a cross-sectional view of a part of the support member (corresponding to the view taken along line VIII-VIII in FIG. 5). [Figure 9] A cross-sectional view of a part of the support member (corresponding to the view cut along line IX-IX in Figure 4). [Figure 10] A cross-sectional view of a part of the support member (corresponding to the view cut along line XX in Figure 4) DETAILED DESCRIPTION OF THE INVENTION
[0017] An embodiment of the present invention will be described with reference to Figs. 1 to 10. In this embodiment, a support member 30 that supports a vehicle ceiling interior material 10 is exemplified as the support member. As shown in Fig. 1, the ceiling interior material 10 is plate-shaped and forms the ceiling of a vehicle compartment 20 (vehicle compartment). The ceiling interior material 10 is sometimes called a roof lining, roof trim, etc.
[0018] As shown in Fig. 1, the support member 30 is disposed on the exterior side of a side end 11 (one end in the vehicle width direction) of the ceiling interior material 10. The side end 11 of the ceiling interior material 10 extends in the longitudinal direction of the vehicle (front-rear direction of the vehicle, left-right direction in Fig. 1), and as shown in Fig. 2, is disposed so as to cover a roof side panel 13 (vehicle panel) that constitutes the side end of the vehicle ceiling from the interior side of the vehicle (vehicle interior side). The ceiling interior material 10 and the support member 30 are made of a synthetic resin material such as polypropylene or polyethylene, but the material is not limited to this and can be changed as appropriate.
[0019] As shown in FIG. 2, a back door side panel 14 (another vehicle panel) constituting a back door of the vehicle is disposed on the vehicle rear side (rear side of the vehicle, right side in FIG. 2) of the roof side panel 13. Also, as shown by the dashed line in FIG. 1, an airbag 12 (curtain shield airbag) is disposed on the outer side of the vehicle compartment at a side end 11 of the ceiling interior material 10. The airbag 12 extends in the fore-and-aft direction of the vehicle and is disposed between the roof side panel 13 and the side end 11. A support member 30 is disposed on the vehicle rear side (rear side of the vehicle) of the airbag 12. The airbag 12 is disposed in a position in the vehicle compartment 20 corresponding to the passenger compartment, and the support member 30 is disposed in a position in the vehicle compartment 20 corresponding to the luggage compartment.
[0020] As shown in FIGS. 2 and 3, the support member 30 is disposed between the roof side panel 13 and the ceiling interior material 10. As shown in FIG. 4, the support member 30 includes a plate-shaped support member main body 31 that supports the ceiling interior material 10 from the outside of the vehicle compartment. The support member main body 31 extends in the vehicle longitudinal direction and has a box shape that is open to the outside of the vehicle compartment, as shown in FIG. 5. More specifically, as shown in FIG. 10, the support member main body 31 includes a main wall portion 31A having a surface facing the inside of the vehicle compartment, an extended wall portion 31B that extends from the upper end of the main wall portion 31A to the outside of the vehicle compartment, and an extended wall portion 31C that extends from the lower end of the main wall portion 31A to the outside of the vehicle compartment. In other words, the support member main body 31 has a substantially U-shape that is open to the outside of the vehicle compartment in a cross-sectional view.
[0021] As shown in Fig. 5, a plurality of (three in this embodiment) insertion portions 32 are arranged on the surface of the support member main body 31 facing the exterior of the vehicle cabin. Each insertion portion 32 has a shape that protrudes from the support member main body 31 toward the exterior of the vehicle cabin. The insertion portion 32 includes a U-shaped main body 32A that opens toward the interior of the vehicle cabin, and a pair of locking pieces 32B, 32B that are provided at the tip of the main body 32A and arranged opposite each other. The pair of locking pieces 32B, 32B are configured to be elastically deflectable relative to the main body 32A. As shown in Fig. 6, the insertion portion 32 is inserted into a through hole 15 that is formed through the roof side panel 13. The pair of locking pieces 32B, 32B are configured to lock onto the edge of the through hole 15 from the exterior of the vehicle cabin.
[0022] As shown in Fig. 4, the front end 34 of the support member main body 31 is stepped and positioned closer to the exterior of the vehicle cabin than its rear side. A recess 35 recessed toward the exterior of the vehicle cabin is formed in the middle of the support member main body 31 in the front-to-rear direction. Furthermore, a recess 36 recessed toward the exterior of the vehicle cabin is formed near the rear end of the support member main body 31. The insertion portions 32 are respectively provided in the front end 34, the rear wall portion 35A constituting the recess 35, and the rear wall portion 36A constituting the recess 36. The recess 35 opens toward the interior and downward of the vehicle cabin, and the recess 36 opens toward the interior and upward of the vehicle cabin.
[0023] As shown in Fig. 5, contact pieces 39 are formed at multiple locations on the end portion of the support member main body 31 facing outside the vehicle cabin. As shown in Fig. 3, the contact pieces 39 are configured to restrict tilting of the support member 30 by contacting the roof side panel 13 at their tip portions.
[0024] 3, a recess 37 that opens toward the interior of the vehicle is formed in the support member main body 31 between the front end 34 and the recess 35. A portion of wiring 38 (such as an antenna wire) that is connected to equipment (such as electrical equipment, not shown) provided in the vehicle is housed in the recess 37. This allows a portion of the wiring 38 to be held within the recess 37.
[0025] As shown in FIG. 4, a plurality of protrusions 40 projecting into the interior of the vehicle are formed on the surface of the support member main body 31 facing the interior of the vehicle, aligned in the longitudinal direction of the vehicle. More specifically, the protrusions 40 are formed by partially bulging the plate-shaped support member main body 31 toward the interior of the vehicle. As shown in FIG. 7, the side end 11 of the ceiling interior material 10 has a lower end 11A that slopes downward toward the side of the vehicle (one end in the vehicle width direction, the right side in FIG. 7). Correspondingly, a lower portion 41 of the main wall portion 31A of the support member main body 31 slopes downward toward the side of the vehicle. The plurality of protrusions 40 are formed on the lower portion 41, and the protruding end surfaces 42 of the protrusions 40 are arranged so as to face inward in the vehicle width direction (the left side in FIG. 7) and downward. As a result, as shown in FIGS. 7 and 8, the protruding end surface 42 of the convex portion 40 can support the lower end portion 11A of the side end portion 11 from outside the vehicle compartment.
[0026] As shown in Fig. 4, a recess 50 recessed toward the outside of the vehicle compartment is formed in the rear end (rear end of the vehicle) of the support member main body 31. The recess 50 is formed in the upper part of the rear end of the support member main body 31 and opens toward the inside and upper side of the vehicle compartment. Furthermore, at the rear end of the support member main body 31, the upper end extends so as to slope downward toward the rear (right side in Fig. 4). Therefore, the recess 50 has a substantially triangular shape when viewed from the front (as viewed from inside the vehicle compartment).
[0027] As shown in Fig. 4, the recess 50 is disposed on the vehicle rear side with respect to the insertion portion 32 formed in the rear wall portion 36A. Also, as shown in Fig. 9, the front end portion 14A of the back door side panel 14 is disposed so as to overlap the rear end portion 13A (vehicle rear end portion) of the roof side panel 13 from the outside of the vehicle compartment. The recess 50 is disposed in a position that covers the rear end portion 13A of the roof side panel 13 from the inside of the vehicle compartment. In other words, the vehicle rear end portion of the support member main body 31 overlaps the rear end portion 13A of the roof side panel 13.
[0028] Of the multiple protrusions 40 described above, in the two protrusions 40 arranged below the recess 36, as shown in Fig. 5, the back surface (surface facing the exterior of the vehicle cabin) of the protrusion 40 and the standing wall portion 36B that constitutes the recess 36 are connected by a rib 43 provided on the exterior surface of the support member main body 31. In addition, in the protrusion 40 arranged below the recess 50, the back surface of the protrusion 40 and the standing wall portion 51 (see Fig. 7) that constitutes the recess 50 are connected by a rib 45 provided on the exterior surface of the support member main body 31. The provision of the ribs 43, 45 can prevent the lower portion 41 of the support member main body 31 from being deflected and displaced when the protrusions 40 support the lower end portion 11A of the side end portion 11 from the exterior of the vehicle cabin.
[0029] Next, the effects of this embodiment will be described. The support member 30 of this embodiment is disposed between the roof side panel 13 (vehicle panel) and the ceiling interior material 10 that covers the roof side panel 13 from the inside of the vehicle compartment and constitutes the ceiling of the vehicle compartment, and includes a plate-shaped support member main body 31 that supports the ceiling interior material 10 from the outside of the vehicle compartment, and a recess 50 that is recessed toward the outside of the vehicle compartment is formed at the vehicle rear end of the support member main body 31.
[0030] When an occupant presses the ceiling interior material 10 from inside the vehicle cabin, the support member main body 31 supports the ceiling interior material 10 from outside the vehicle cabin, thereby preventing the ceiling interior material 10 from being displaced outside the vehicle cabin. Furthermore, in the above configuration, a recess 50 that is recessed toward the outside of the vehicle cabin is formed at the vehicle rear end of the support member main body 31. This makes it possible to increase the rigidity of the vehicle rear end of the support member main body 31, which has relatively low rigidity due to its plate shape, and suppresses deformation of the support member main body 31, so that the rear end side of the ceiling interior material 10 can be reliably supported.
[0031] Incidentally, a structure such as an airbag 12 (curtain shield airbag) may be disposed on the exterior side of the vehicle cabin of the ceiling interior material 10, and in this case, while the structure can support the front part of the ceiling interior material 10, there is a portion of the ceiling interior material 10 at the rear end of the vehicle where such a structure is not present (particularly in the case of an airbag 12, it is not disposed at the rear end of the vehicle where there are no occupants), and this portion becomes more susceptible to deformation. In the above configuration, the ceiling interior material 10 can be supported by the support member main body 31, and further, by forming a recess 50 at the vehicle rear end of the support member main body 31, which is a portion far from the structure, rigidity can be increased and the rear part of the ceiling interior material 10, which is a portion that is relatively prone to deformation, can be more reliably supported.
[0032] In addition, on the surface of the support member main body 31 facing the interior of the vehicle, multiple protrusions 40 that protrude into the interior of the vehicle are formed in a line in the fore-and-aft direction of the vehicle, and the multiple protrusions 40 support the ceiling interior material 10 from outside the vehicle.
[0033] By supporting the ceiling interior material 10 with the multiple protrusions 40 lined up in the vehicle's longitudinal direction, the ceiling interior material 10 can be supported at multiple locations in the vehicle's longitudinal direction. Furthermore, deformation of the ceiling interior material 10 is permitted in the areas between the multiple protrusions 40. This makes it possible to prevent the ceiling interior material 10 and the support member 30 from interfering with each other when a dimensional error occurs during molding of the ceiling interior material 10, and to prevent a situation in which this would interfere with the work of positioning the ceiling interior material 10 (more specifically, the work of attaching the ceiling interior material 10 to the roof side panel 13).
[0034] In addition, an insertion portion 32 is arranged on the surface of the support member main body 31 facing outside the vehicle cabin, which is inserted into a through hole 15 formed through the roof side panel 13, and a back door side panel 14 (another vehicle panel) arranged on the vehicle rear side of the roof side panel 13 is arranged so as to overlap the rear end portion 13A (rear end portion of the vehicle) of the roof side panel 13, and the recess 50 is arranged on the rear side of the vehicle with respect to the insertion portion 32 and is arranged in a position that covers the vehicle rear end portion of the roof side panel 13 from inside the vehicle cabin.
[0035] The support member 30 can be attached to the roof side panel 13 by inserting the insertion portion 32 into the through-hole 15. In the above-described configuration, in which the tailgate side panel 14 is arranged so as to overlap the vehicle rear end of the roof side panel 13, there is a concern that the insertion portion 32 may interfere with the tailgate side panel 14. Therefore, in a configuration in which the vehicle rear end of the support member main body 31 overlaps the rear end 13A of the roof side panel 13, it is difficult to provide the insertion portion 32 at the vehicle rear end of the support member main body 31 and attach it to the roof side panel 13. In other words, it is difficult to attach the vehicle rear end of the support member main body 31 to the roof side panel 13 and ensure rigidity. In the above-described configuration, forming a recess 50 at the vehicle rear end of the support member main body 31, which is a portion that is difficult to attach to the roof side panel 13, makes it possible to ensure rigidity, which is preferable. In this embodiment, as shown in FIG. 3 , the rear end of the support member main body 31 is arranged so as to overlap a portion of the wiring 38, making it more difficult to provide the insertion portion 32.
[0036] An airbag 12 is disposed on the outer side of the vehicle interior of the ceiling interior material 10, and the support member main body 31 is disposed on the vehicle rear side of the airbag 12.
[0037] In the portion of the ceiling interior material 10 where the airbag 12 is arranged, components of the airbag 12 (for example, a case that houses the bag) support the ceiling interior material 10 from outside the vehicle compartment, thereby ensuring the rigidity of the ceiling interior material 10. According to the above configuration, the support member main body 31 can support the portion of the ceiling interior material 10 where the airbag 12 is not arranged.
[0038] Furthermore, the support member main body 31 has a generally U-shaped cross section. The generally U-shaped cross section can increase rigidity. Furthermore, the length of the support member main body 31 in the vehicle interior and exterior directions can be ensured. Therefore, when a structure such as an airbag 12 (curtain shield airbag) is disposed on the front side of the support member 30, the step that occurs between the surface of the structure facing the interior of the vehicle and the surface of the support member main body 31 facing the interior of the vehicle can be reduced. As a result, the ceiling interior material 10 can be reliably supported from the outside of the vehicle by both the structure (the airbag 12 in this embodiment) and the support member 30, and displacement of the ceiling interior material 10 can be suppressed.
[0039] <Other embodiments> The technology disclosed in this specification is not limited to the embodiments described above and illustrated in the drawings, and the following embodiments, for example, are also included in the technical scope. (1) The ceiling interior materials exemplified in the above embodiments are not limited to those for vehicles. For example, the ceiling interior materials can also be applied to vehicles such as trains and recreational vehicles as ground vehicles, airplanes and helicopters as flying vehicles, and ships and submarines as marine and underwater vehicles. (2) The shape of the recess 50 provided at the vehicle rear end of the support member main body is not limited to that exemplified in the above embodiment, and can be modified as appropriate. (3) In the above embodiment, the roof side panel 13 is exemplified as a vehicle panel, and the back door side panel 14 is exemplified as another vehicle panel, but the present invention is not limited to this. (4) In the above embodiment, a configuration in which the insertion portion 32 is integrally formed with the support member main body portion 31 is exemplified, but the insertion portion 32 may also be a separate member from the support member main body portion 31 (for example, an attachment clip, etc.). (5) In the above embodiment, the support member main body 31 has a generally U-shaped cross section that opens toward the outside of the vehicle cabin, but is not limited thereto. For example, the support member main body 31 may have a cross-sectional shape that is surrounded by a wall. [Explanation of symbols]
[0040] 10... Ceiling interior material, 12... Airbag, 13... Roof side panel (vehicle panel), 13A... Rear end portion of roof side panel (vehicle rear end portion), 14... Back door side panel (other vehicle panel), 15... Through hole, 30... Support member, 31... Support member main body portion, 32... Insertion portion, 40... Convex portion, 50... Concave portion
Claims
1. A support member disposed between a vehicle panel and a ceiling interior material that covers the vehicle panel from the inside of the vehicle compartment and forms a ceiling of the vehicle compartment, a plate-shaped support member main body that supports the ceiling interior material from the outside of the vehicle compartment, A support member, wherein a recess recessed toward the outside of the vehicle compartment is formed at a vehicle rear end of the support member main body.
2. a surface of the support member main body facing the interior of the vehicle cabin having a plurality of protrusions that protrude into the interior of the vehicle cabin and are aligned in the front-rear direction of the vehicle; The support member according to claim 1 , wherein the plurality of protrusions support the ceiling interior material from outside the vehicle compartment.
3. an insertion portion that is inserted into a through-hole formed through the vehicle panel is disposed on a surface of the support member main body that faces the vehicle cabin outside; Another vehicle panel is arranged on the vehicle rear end of the vehicle panel so as to overlap the other vehicle panel, the other vehicle panel being arranged on the vehicle rear side of the vehicle panel; 3. The support member according to claim 1, wherein the recess is disposed on a vehicle rear side relative to the insertion portion and is disposed at a position that covers the vehicle rear end portion of the vehicle panel from the inside of the vehicle compartment.
4. An airbag is disposed on the outer side of the ceiling interior material, 3. The support member according to claim 1, wherein the support member main body is disposed on a vehicle rear side of the airbag.
5. The support member according to claim 1 or 2, wherein the support member main body has a generally U-shaped cross section.
Citation Information
Patent Citations
Curtain shield airbag device
JP2021046027A