JP6641630B2 - High roof car bed support structure - Google Patents

Description

  The present invention relates to a bed support structure for a high-roof vehicle.

  In a large truck or the like, a cab body having left and right cab side portions defining both sides in the vehicle width direction of the vehicle compartment is provided above a cab body, and a ceiling surface portion of the vehicle compartment and a lower portion from both edges in the vehicle width direction of the ceiling surface portion. 2. Description of the Related Art There is known a high-roof vehicle to which a high-roof panel integrally extending with left and right cab side surfaces and continuous left and right extension surfaces is attached. In this high-roof vehicle, the cabin is expanded above the upper end of the cab side surface of the cab body by mounting the high roof panel above the cab body.

  In this type of truck, a driving method is adopted in which two drivers get on the truck and two people can go to bed at the same time depending on the country or region. Trucks adopting such a driving method are provided with upper and lower two-stage beds in the vehicle interior.

  Patent Literature 1 proposes a cab having two upper and lower beds behind a driver's seat and a passenger seat of a truck. A lower fixed bed is disposed below the seat backs of the driver's seat and the passenger seat, and an upper retractable bed (abbreviated as a bed) is disposed above the seat back. The bed is rotatably supported on a rear panel of the cab by a hinge attached to a rear end of the bed, and a front end of the bed moves between a storage position and a use position where a user can sleep. Reinforcing members are attached to side panels on both sides of the cab in the vehicle width direction, and a first supporting member for holding the bed at the use position is attached to the reinforcing members. The first support member supports the user and the weight of the bed by engaging with an engagement fitting fixedly provided at the front end of the bed.

JP 2008-229083 A

  By the way, in Patent Literature 1, in order to secure the strength of the first support member that supports the bed at the use position, a reinforcing member is attached to the rear panel of the cab, and the first supporting member is a bolt or the like. It is fixed at. Therefore, the structure for supporting the bed becomes complicated, and the number of parts increases, which may lead to an increase in the number of manufacturing steps.

  An object of the present invention is to provide a bed support structure for a high-roof vehicle, which has a simple structure and can secure the strength to support the bed.

  In order to solve the above problems, a bed support structure for a high-roof vehicle according to the present invention forms a ceiling surface of a vehicle compartment above a cab body having left and right cab side portions defining both sides in a vehicle width direction of the vehicle compartment. A high roof panel integrally having a ceiling surface portion and left and right extension surfaces extending downward from both edges in the vehicle width direction of the ceiling surface portion and continuing to the left and right cab side surfaces is attached, and the cabin is cabed by the high roof panel. It expands above the upper end of the side part. Roof side reinforcement, which is fixed to the inner surface of the extension surface of the high roof panel in the vehicle width direction and extends vertically and reinforces the extension surface, and fixed to the upper end of the inner surface of the cab body inside the width direction of the cab side surface A cab side rail that extends in the front-rear direction and reinforces the cab side surface, a bed disposed in the vehicle cabin at a height near the upper end of the cab side portion, and a lower end and a cab side rail of a roof side drain force. And a gusset for supporting the outer end of the bed outside in the vehicle width direction from below.

  In the above configuration, the gusset connecting the lower end of the roof side force, which reinforces the high roof panel, and the cab side rail has a function of supporting the outer end of the bed in the vehicle width direction from below, so that the cab is provided. The bed can be supported at the height near the upper end of the main body, and the parts can be shared with the connection structure between the roof side drain force and the cab side rail and the bed support structure. The structure for supporting the bed is simplified, and the number of manufacturing steps can be reduced. In addition, the roof side drain force and cab side rail both have high rigidity and are firmly connected to other members, so the gussets connected to them have the necessary strength to support the bed. Secured.

  The gusset includes a first mounting portion fixed to an inner surface in the vehicle width direction of a lower end portion of the roof side force, and a gusset extending downward from the first mounting portion to an inner surface in the vehicle width direction of the cab side rail. A plate-shaped second mounting portion to be fixed, and a plate-shaped bed support plate portion that bends in an L shape from the lower end edge of the second mounting portion to the inside in the vehicle width direction to support the outer end of the bed. Even if a pair of front and rear linear ribs that are continuous across the L-shaped bent portion are formed on the inner surface inside the vehicle width direction of the second mounting portion and the upper surface of the bed support plate portion, Good.

  As described above, the gusset has a pair of front and rear linear ribs formed across the L-shaped bent portion on the inner surface of the second mounting portion on the inner side in the vehicle width direction and the upper surface of the bed support plate portion. Therefore, the bending strength of the bent portion is increased, and the load bearing capacity of the bed support member can be increased. For this reason, the gusset can secure the required load resistance without increasing the wall thickness.

  ADVANTAGE OF THE INVENTION According to the bed support structure of the high roof vehicle which concerns on this invention, the intensity | strength which supports a bed can be ensured with a simple structure.

It is the perspective view which looked at the cab to which the bed support structure of the high roof car of the present invention is applied from the inside. It is a perspective view which shows the state which provided the bed in the cab of FIG. It is a perspective view which expands and shows the gusset of the cab of FIG. FIG. 4 is a cross-sectional view of the bed and the gusset in the direction of arrows AA in FIG. 3.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings. In the drawings, FR indicates the front of the vehicle, UP indicates the upper side of the vehicle, and IN indicates the inner side in the vehicle width direction. In the following description, the front-back direction refers to the front-back direction of the vehicle, the left-right direction refers to the left-right direction of the vehicle facing the front of the vehicle, and the up-down direction refers to the up-down direction of the vehicle.

  FIG. 1 shows a cab 1 of a high roof car to which the bed support structure of the present invention is applied. Although FIG. 2 shows the left half of the cab 1, the cab 1 is configured substantially symmetrically on the left and right, and therefore, the description of the right half will be omitted as appropriate.

  The cab 1 is provided with a high roof section 3 above a cab body 2 having a driver's seat and a passenger seat (one of the seats is indicated by a broken line S). Has been extended. The cab 1 is formed in a substantially box shape as a whole, and a cab body 2 and a high roof portion 3 form one cabin 4.

  The cab body 2 has a pair of left and right cab side portions 5, a cab front portion 6, a cab back portion 7, and a cab floor portion 8 to form an outer wall. These outer walls are made of a high-strength material such as a steel plate and are formed by press forming.

  The cab side portion 5 is joined to the vehicle width direction end of the cab front portion 6, the vehicle width direction end of the cab rear portion 7, and the vehicle width direction end of the cab floor 8. Partition both sides in the vehicle width direction. The cab front part 6 is joined to the front end of the cab side part 5 and the front end of the cab floor part 8, and partitions the front of the cabin 4. The cab back 7 is joined to the rear end of the cab side surface 5 and the rear end of the cab floor 8 to partition the rear of the cabin 4. The cab floor 8 is joined to the lower end of the cab side 5, the lower end of the cab front 6, and the lower end of the cab rear 7, and defines the lower part of the cabin 4.

  The outer wall of the cab body 2 is reinforced by reinforcing members such as a cab side rail 9, a cab back rail 10, a cab front rail 11, a first reinforce 12, a second reinforce 13, a third reinforce 14, and the like. These reinforcing members are formed of a high-strength material such as steel.

  The cab side rail 9 is fixed to an upper end portion of the inner surface of the cab side surface portion 5 on the inner side in the vehicle width direction, extends in the front-rear direction, and reinforces the cab side surface portion 5. The cab back rail 10 is fixed to the upper end of the inner surface in front of the cab back 7 and extends in the left-right direction to reinforce the cab back 7. The cab front rail 11 is fixed to the upper end of the inner surface behind the cab front part 6 and extends left and right, and reinforces the cab front part 6. Note that the cab side rail 9, the cab back rail 10, and the cab front rail 11 may be connected to each other, or may be integrally formed in a ring shape.

  The first reinforce 12 and the second reinforce 13 cross the vehicle width direction end of the cab floor 8 and the lower end of the cab side rail 9, respectively, and form the inner surface of the cab side 5 inward in the vehicle width direction. Along the vertical direction, and reinforces the cab side surface portion 5. The third reinforcement 14 extends vertically along the inner surface in front of the cab back portion 7 across the rear end of the cab floor portion 8 and the lower end portion of the cab back rail 10 to reinforce the cab back portion 7. I do.

  A high roof panel 15 that forms the outer wall of the high roof section 3 is mounted above the cab body 2 configured as described above. With the high roof panel 15 attached, the cabin 4 is expanded above the upper end of the cab side surface 5 of the cab body 2. The high roof panel 15 is reinforced by a roof side reinforcement 16, a roof back reinforcement 17, and the like.

  The high roof panel 15 is a panel member formed of a composite material or the like containing a resin material, and extends downward from a ceiling surface portion 18 that forms a ceiling surface of the passenger compartment 4 and both edges of the ceiling surface portion 18 on both sides in the vehicle width direction. Left and right cab side portions 5 extending to the left and right cab side portions 5, an extension front portion 20 extending obliquely downward from the front edge of the ceiling surface portion 18 and continuing to the cab front portion 6, The cab rear portion 7 extends downward from the rear edge of the surface portion 18 and is continuous with the extended rear portion 21.

  The roof side reinforcement 16 and the roof back reinforcement 17 are formed of a high-strength material such as steel. The roof side drain force 16 extends across the left and right cab side rails 9 and is fixed to the inner surface below the ceiling surface portion 18 of the high roof panel 15 and the inner surface inside the left and right extension side portions 19 in the vehicle width direction, respectively. Formed as a portal. In the roof side force 16, a portion extending in the vehicle width direction reinforces the ceiling surface portion 18, and a portion extending in the up-down direction reinforces the left and right extended side surface portions 19. Of these, the lower ends of the vertically extending portions are connected to the upper ends of the left and right cab side rails 9 via gussets 22.

  The roof back reinforcement 17 extends across the cab back rail 10 and the roof side reinforcement 16 and is fixed to an inner surface in front of the extended rear portion 21 of the high roof panel 15 and an inner surface below the ceiling surface portion 18, respectively. It is formed in an L shape. In the roof back reinforcement 17, a vertically extending portion reinforces the extended back portion 21, a lower end portion thereof is connected to an upper end portion of the cab back rail 10, and a portion extending in the front-rear direction reinforces the ceiling surface portion 18. Its front end is connected to the rear end of the roof side force 16 extending in the vehicle width direction.

  Next, a bed provided in the cab 1 and a support structure thereof will be described with reference to FIGS. As shown in FIG. 2, a driver's seat and a passenger's seat (seat S) are provided in the cab main body 2 above the cab floor 8 in a vehicle width direction. The cab floor portion 8 extends in the vehicle width direction behind the seat S (back of the seat), and extends in the vehicle width direction along the cab rear portion 7 and a convex portion 23 having a mountain-shaped cross section protruding toward the cabin 4. And a step portion 24 having a rectangular cross section protruding toward the cabin 4 side. The protruding portion 23 and the step portion 24 protrude to the same height position in the vehicle compartment 4, and a lower bed (not shown) is horizontally set on these.

  An upper bed 25 is provided in the passenger compartment 4 above the driver's seat and the passenger seat (seat S) and above these. The bed 25 is formed in a substantially rectangular shape, and is arranged at a height near the upper end of the cab side surface 5 of the cab body 2. The bed 25 has a hinge (not shown) provided at its rear end rotatably supported by a hinge bracket 26. The hinge bracket 26 is bolted to the cab back rail 10 and the roof back reinforcement 17, respectively. Fixed. Thereby, the front end of the bed 25 is movably supported in the directions of arrows a and b in FIG.

  As shown in FIG. 3, gussets 22 for supporting the bed 25 at the use position are arranged at positions facing the outer end of the bed 25 on the outside in the vehicle width direction. The gusset 22 is a metal fitting that connects the lower end of the roof side force 16 and the cab side rail 9 and supports the outer end of the bed 25 on the outer side in the vehicle width direction from below, and is formed by press molding.

  As shown in FIG. 4, the gusset 22 has a plate-shaped first mounting portion 27 fixed to the inner surface 16 a of the lower end portion of the roof side force 16 on the inner side in the vehicle width direction, and extends downward from the first mounting portion 27. Plate-like second mounting portion 28 fixed to the inner surface 9a of the cab side rail 9 on the vehicle width direction inner side, and the bed 25 is bent in an L shape from the lower edge of the second mounting portion 28 to the vehicle width direction inner side. And a plate-like bed support plate 29 for supporting the outer end from below. The gusset 22 has a V-shaped cross section 30 extending between the first mounting portion 27 and the second mounting portion 28 in the front-rear direction of the vehicle and protruding inward in the vehicle width direction.

  The gusset 22 has an L-shaped bent portion 31 formed between the second mounting portion 28 and the bed support plate portion 29, and a slope inclined downward from the lower edge of the second mounting portion 28 to the inside in the vehicle width direction. 31a. A pair of front and rear linear ribs 32 that are continuous across the bent portion 31 are formed on the inner surface 28a inside the second mounting portion 28 in the vehicle width direction and the upper surface 29a of the bed support plate portion 29. The rib 32 may be formed integrally with the gusset 22, but can be formed by overlay welding or the like.

  In the gusset 22 configured as described above, as shown in FIG. 4, the first mounting portion 27 is fixed to two places on the inner surface 16a of the roof side drain force 16 by bolts 33a and 33b, respectively. Are fixed to two places on the inner surface 9a of the cab side rail 9 by bolts 34a and 34b, respectively. The bolts 33 a are inserted into the bolt holes of the first mounting portion 27 and the roof side force 16 and then screwed into the bolt holes of the boss 35 protruding from the high roof panel 15. The bolt 33 b is fastened by the nut 36 after being inserted into each bolt hole of the first mounting portion 27 and the roof side force 16. The bolt 34 a is inserted into each bolt hole of the second mounting portion 28, the cab side rail 9, the fourth reinforcement 37, and the cab side surface portion 5, and then is fastened by the nut 38. The bolt 34 b is inserted into each bolt hole of the second mounting portion 28 and the cab side rail 9, and is then fastened by the nut 39. The high roof panel 15 has a flange portion 40 that rises inward in the vehicle width direction from the lower edge, and a gap between the flange portion 40 and a flange portion 41 that rises inward in the vehicle width direction from the upper edge of the cab side surface portion 5 is provided. , A waterproof packing 42 is clamped.

  As shown in FIG. 4, the bed 25 has a core board 43, a skin portion 44, a frame 45, and a support plate 46. The frame 45 is a metal pipe, is formed annularly along the lower outer edge of the core board 43, and reinforces the core board 43. The support plate 46 is a metal plate having an L-shaped cross section. The support plate 46 is fixed to a lower portion of a frame 45 extending in the front-rear direction on the outside in the vehicle width direction, and has a lower end surface extending horizontally, so that the outer end of the bed 25 abutting on the bed support plate portion 29 of the gusset 22. Secure the underside of the part. The skin portion 44 is made of a cushion material, and covers the core material board 43, the frame 45, and the support plate 46.

  When using the bed 25 configured as described above, the front end of the bed 25 is moved in the direction of arrow a in FIG. Is brought into contact with the upper surface 29a. As a result, the bed 25 is horizontally arranged with the left and right outer ends supported by the gussets 22, respectively, and the use state is maintained.

  A support member 47 is attached to the bed 25, as shown in FIG. The support member 47 includes a belt-shaped belt 48, a belt upper end fixing member 49, a belt lower end fixing member 51, upper and lower storage belts 52 and 53, and upper and lower connecting members 50a and 50b. The belt upper end fixing member 49 is fixed to the ceiling surface 18 of the high roof panel 15, and the belt lower end fixing member 51 is fixed to the front end of the bed 25. One end (upper end) of the belt 48 and one end of the upper storage belt 52 are fixed to a belt upper end fixing bracket 49, and the other end (lower end) of the belt 48 and one end of the lower storage belt 53 are connected to each other by a belt. It is fixed to the lower end fixing bracket 51. An upper connector 50a is fixed to the other end of the upper storage belt 52, and a lower connector 50b is fixed to the other end of the lower storage belt 53. The upper and lower connectors 50a, 50b are detachably connectable, and extend from the upper end of the upper storage belt 52 to the lower end of the lower storage belt 53 in a state where the connectors 50a, 50b are connected. The length is set shorter than the entire length of the belt 48. The upper and lower connectors 50a and 50b are vertically separated from each other in a non-connected state when the bed 25 is used, and are connected when the bed 25 is stored.

  Since the support member 47 (belt 48) is provided over the front end portion of the bed 25 and the ceiling surface portion 18, it is possible to prevent bedding and the like from falling off the bed 25 when the bed 25 is used. When the bed 25 is stored, the front end of the bed 25 is lifted and moved in the direction of the arrow b in FIG. 2 to connect the connectors 50a and 50b. As a result, the bed 25 is held in a state in which the raised front end is suspended by the support member 47 (a stored state). Note that the intermediate portion of the belt 48 in the stored state is bent and folded.

  According to the present embodiment, the outer end of the bed 25 in the vehicle width direction is supported from below by the gusset 22 connecting the lower end of the roof side force 16 for reinforcing the high roof panel 15 and the cab side rail 9. With this function, it is possible to support the bed 25 at a height near the upper end of the cab body 2 by utilizing the space of the high roof portion 3, and furthermore, the roof side drain force 16 and the cab side rail are provided. Since it is possible to realize the sharing of parts between the connection structure with the bed 9 and the support structure of the bed 25, the support structure of the bed 25 is simplified, and the number of manufacturing steps can be reduced. The roof side drain force 16 and the cab side rail 9 both have high rigidity and are firmly connected to other members, so that the gussets 22 connected to these members support the bed 25. The required strength is secured.

  The gusset 22 includes a pair of front and rear linear portions that are continuous across the L-shaped bent portion 31 on the inner surface 28a inside the second mounting portion 28 in the vehicle width direction and the upper surface 29a of the bed support plate portion 29. Since the ribs 32 are formed, the bending strength of the bent portion 31 is increased, and the load bearing capacity of the bed support member 29 can be increased. For this reason, the gusset 22 can secure the required load resistance without increasing the wall thickness, and can suppress an increase in manufacturing cost. Further, since the bent portion 31 has the inclined surface 31a, when the load of the bed 25 is applied to the gusset 22, the stress applied to the bent portion 31 can be dispersed. Therefore, the bending strength of the bent portion 31 can be further increased.

  Further, since the gusset 22 of the present embodiment has the V-shaped cross-section spring portion 30 protruding inward in the vehicle width direction between the first mounting portion 27 and the second mounting portion 28, the gusset 22 At the time of the mounting operation, the second mounting portion 28 is moved in the vehicle width direction by elastically deforming the spring portion 30 in a state where the first mounting portion 27 is fixed to the inner surface 16a of the roof side drain force 16. Will be possible. Therefore, the gusset 22 is formed to be slightly inclined inward in the vehicle width direction from the first mounting portion 27 toward the second mounting portion 28, so that the first mounting portion 27 is fixed to the roof side force 16. Thus, a gap is provided between the second mounting portion 28 and the inner surface 9a of the cab side rail 9, and the gap is elastically deformed as an adjustment allowance so that the second mounting portion 28 and the cab side rail 9 are formed. Alignment of the bolt hole with the bolt becomes easy.

  As described above, the embodiment to which the invention made by the present inventor is applied has been described. However, the present invention is not limited by the description and the drawings that constitute a part of the disclosure of the present invention by this embodiment. That is, it goes without saying that all other embodiments, examples, operation techniques, and the like made by those skilled in the art based on this embodiment are included in the scope of the present invention.

  For example, in the present embodiment, an example in which one plate material is pressed to form the gusset 22 is described. However, the gusset 22 is formed by fixing two plate materials by a known means, for example, welding or the like. You can also. In this case, for example, the first mounting portion 27 including the spring portion 30 is formed of a relatively thin plate material, and the second mounting portion 28 and the bed support plate portion 29 are formed of a relatively thick plate material. Is also good. This makes it possible to form a gusset having excellent mounting workability and a large load resistance.

  Further, in the present embodiment, an example in which the gusset 22 is formed in a plate shape has been described. However, in the first mounting portion 27, if the gusset 22 can be fixed to the inner surface 16a of the roof side drain force 16, other than a plate shape can be used. , For example, a rod shape.

1: Cab 2: Cab body 3: High roof 4: Cab 5: Cab side 9: Cab side rails 9a, 16a: Inner surface 15: High roof panel 16: Roof side force 18: Ceiling 19: Extension side ( Extension surface)
22: Gusset 25: Bed 27: First mounting portion 28: Second mounting portion 29: Bed support plate portion 29a: Upper surface 31: Bent portion 32: Rib S: Seat

Claims (2)

Above a cab body having left and right cab side portions that partition both sides in the vehicle width direction of the vehicle compartment, a ceiling surface portion forming a ceiling surface of the vehicle compartment, and downward from both edges in the vehicle width direction of the ceiling surface portion. A high-roof vehicle that has a high-roof panel that extends and is integrally provided with left and right extension surfaces that are continuous with the left and right cab side surfaces, and that the high-roof panel expands the cabin above the upper end of the cab side surface. Bed support structure,
A roof side force that is fixed to an inner surface of the high roof panel on the inside in the vehicle width direction of the extension surface portion and extends in the up-down direction to reinforce the extension surface portion;
A cab side rail fixed to the upper end side of the inner surface of the cab side surface portion of the cab side portion in the vehicle width direction and extending in the front-rear direction to reinforce the cab side portion;
A bed arranged in the vehicle cabin at a height near the upper end of the cab side portion;
A gusset for connecting a lower end of the roof side drain force and the cab side rail and supporting an outer end of the bed in the vehicle width direction outside from below, a bed support for a high roof vehicle. Construction. The bed support structure according to claim 1,
The gusset includes a first mounting portion fixed to an inner surface of the lower end portion of the roof side force at the vehicle width direction inner side, and a gusset extending downward from the first mounting portion to a vehicle width direction inner side of the cab side rail. A plate-shaped second mounting portion fixed to an inner surface, and a plate-shaped bed support plate that bends in an L shape from the lower edge of the second mounting portion to the inside in the vehicle width direction to support the outer end portion of the bed And a part,
A pair of front and rear linear ribs that are continuous across the L-shaped bent portion are formed on the inner surface of the second mounting portion on the inner side in the vehicle width direction and the upper surface of the bed support plate portion. High-roof car bed support feature.

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