JP3685359B2 - Storage bed device for vehicle - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention is a vehicle storage type having a bed cushion that has a surface on which an occupant can lie down, is stored along a cab back panel behind the back of the occupant seat, and can be pulled out in a substantially horizontal state when the bed is used. It relates to a bed apparatus.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, various types of vehicle bed apparatuses are known in which a bed is stored in a driver's cab and can be laid down together with a driver's seat or a passenger seat. The technique disclosed in Japanese Utility Model Laid-Open No. 62-108139 is one of them. In this known technology, a cab panel at the rear of the cab is provided with an auxiliary plate that is provided with a hinge portion below and can be folded by approximately 90 °, and is tilted over the seat cushion so that the back of the seat back is horizontal. The auxiliary plate is configured to block between the back rear end and the cab panel.
[0003]
However, since this known technique uses both the backs of the seat backs of the driver's seat and the passenger seat as a space for lying down, there is a driver seat auxiliary plate and a passenger seat auxiliary plate between the driver seat and the passenger seat. The structure needs to be closed with a separate auxiliary plate housed in between, which complicates the structure. In addition, in order to make a modification so as to secure a space for lying down with only the auxiliary plate without using the back of the seat back, it is necessary to secure a space from the seat back to the cab panel, which leads to an increase in the size of the vehicle cab. .
[0004]
On the other hand, JP-A-9-173180 is also known. In the technology disclosed in this publicly known publication, a bed that can be folded by about 90 ° is provided on the cab panel at the rear of the operator's cab, with a hinge part provided below, and the seat back that can be tilted forward is divided into two from the middle part. The headrest combined upper part and the base are configured such that the headrest combined upper part is tilted forward so that the back surface thereof is horizontal at the seat back base forward tilt position, and the bed front part is disposed on the headrest combined upper part rear surface. It is the structure to mount.
[0005]
[Problems to be solved by the invention]
However, this technique is such that the position of the hinge portion of the bed from the floor is substantially the position of the forward folding portion of the headrest combined upper portion, and in the retracted position, the bed free movement end is the headrest combined upper portion. Located far above the free movement end of the part.
Therefore, unless the locking at the storage position of the bed is made strong, there is a possibility that the locking is released due to an impact, and the bed front end portion rotates and falls onto the occupant's head. In addition, when the bed is used, since the bed locking member is positioned above the hinge portion, the bed free movement end rotates and falls around the hinge by its own weight when the locking member is removed and the hand is released from the bed. To do.
[0006]
In view of the above circumstances, an object of the present invention is to provide a vehicular retractable bed apparatus that does not fall on the head of an occupant due to an impact.
Another object of the present invention is to provide a storage bed device for a vehicle that eliminates the fear of free fall of the bed.
Another object of the present invention is to provide a vehicular stowable bed apparatus in which a bed can be easily pulled out from a stowed position, or easily stowed from a pulled out position to a stowed position.
[0007]
[Means for Solving the Problems]
The present invention solves such a problem, and a bed in which an occupant can lie on the cab back panel room side is accommodated along the back panel surface and can be pulled out in a substantially horizontal state when the bed is used. A vehicular stowable bed apparatus, wherein a first engagement portion and a second engagement portion are provided at a rear end portion at both ends of the bed in the pull-out direction, and the bed pull-out position is provided from the storage position. When moving, the first receiving portion is guided by sliding linearly from below, and the engaging receiving portion that is held by engaging the first engaging portion at the drawing position is an upper side. And a guide member formed on the bed, and engaged with the second engaging portion at the storage position of the bed, thereby preventing the bed from rotating in the vehicle front-rear direction around the first engaging portion. A stop, and The upper part of the upper backrest part can be bent in the vehicle longitudinal direction from the middle part of the backrest part of the passenger seat, and the upper part of the backrest part of the passenger seat is bent and pulled out when using the bed. Further, the front part of the bed is placed on the bent part above the backrest part.
[0008]
Then, the locking device of the second engagement portion is released at the bed storage position, enabling forward rotation around the first engagement portion, and the rear ends on both sides in the bed drawing direction. The first engaging portion disposed on the side is guided and moved from the bed storage position to the bed pull-out position by the guide member, and is held by the engagement receiving portion provided at the terminal portion of the guide member at the pull-out position. Therefore, the front portion of the bed is placed on the backrest bent portion, and the rear end side is held by the engagement receiving portion, whereby the drawer of the retractable bed is completed.
[0009]
In this bed pull-out process, the bed does not rotate due to its own weight and does not damage the passenger's fingers. That is, even when the second engaging portion is released from the locking portion at the bed storage position, in that state, the bed rotates only about 45 ° and leans to the back of the seat back that is tilted forward. Even if the hand is released during the pulling out operation of the bed, the distance between the fingers and the back of the bed is short in distance, and the impact force is extremely low.
[0010]
In order to easily perform the operation of pulling out the bed from the storage position, it is desirable to arrange the handle at an arbitrary position outside the bed.
In addition, a frame for preventing the fall of an occupant lying on the back of the occupant seat on the upper side of the backrest portion can be arranged to be able to stand up and retract.
In addition, a gate-like handle is arranged on the side of the front end of the bed so as to be located in the gate of the fall-preventing frame formed in a gate shape, and a handle piece is attached to the tip of a string extending from the bed. A piece can be inserted into the gate of the gate handle to lock the fall prevention frame.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the present invention will be described in detail with reference to embodiments shown in the drawings. However, the dimensions, materials, shapes, relative positions, etc. of the components described in this embodiment are not intended to limit the scope of the present invention only to specific examples unless otherwise specified. Not too much.
[0012]
FIG. 1 is a perspective view showing a use state of a vehicular storage bed apparatus according to an embodiment of the present invention, and FIG. 2 is a perspective view showing a storage state of the vehicular storage bed apparatus according to the embodiment of the present invention. FIG. 3 is a diagram showing another embodiment of the fall prevention frame, and FIG. 4 is an explanatory diagram for explaining the bed storing / drawing operation.
In FIG. 2, a driver's seat 1, a passenger seat 2, and an auxiliary seat 3 are arranged side by side in a driver's cabin provided between a cab panel 5 provided with a rear window 6 and a front window glass (not shown). The back seat base 1b of the driver seat 1 and the back seat base 2b of the passenger seat 2 are configured to be able to be locked and held at a position inclined forward by a predetermined angle (FIG. 1) by operating a lever (not shown). .
The seat back of the auxiliary seat 3 is omitted for easy understanding of FIG. In addition, although the auxiliary seat 3 is provided in FIG. 2, there are vehicles that do not have the auxiliary seat 3. In both cases, the technique of the present embodiment is applied.
[0013]
On the upper side of the back seat bases 1b and 2b, the back seat upper parts (back rest upper part) 1c and 2c respectively rotate forward by a predetermined angle about the rotation axes 1f and 2f by pressing a button (not shown). The back sheet base portions 1b and 2b are inclined forward by a predetermined angle, and the back sheet upper portions 1c and 2c, which are bent portions, can be held at positions where the back surfaces 1g and 2g are horizontal. (FIG. 1).
[0014]
Grooves 1e and 2e are provided in the back surfaces 1g and 2g of the back seat upper portions 1c and 2c, and the occupant who lies on the bed window side of the front window glass side of the bed 4 is lying in the groove. The fall prevention frames 1d and 2d for notifying are arranged so as to be able to stand up and retract with the shaft centers 1h and 2h as rotation centers. Since the fall prevention frames 2d and 1d are in contact with the front end surface 4c of the bed cushion 4 while being inclined at about 20 °, there is no need to provide a frictional resistance between the groove wall surface and the fall prevention frame body. It is unlikely that the fall prevention frame bodies 1d and 2d are inclined to the groove direction and return to the groove.
[0015]
Moreover, as shown in FIG. 3, it can also be comprised as the fall prevention frame 11 formed with the metal which has elastic force, or the synthetic resin so that the gate pillar part formed in the gate shape may mutually narrow. In the second embodiment of the fall prevention frame body, the bent end portion of the frame body 11 is inserted into the hole 10c formed in the recess portions 10a, 10a provided at both ends of the groove 10, and the wall surface of the recess portion 10a is in the standing state. Inclination is prevented by this, and it can be stored in the groove 10 by expanding the part of the gate post and turning over the wall surface.
[0016]
Returning to FIG. 2 again, the bed cushion 4 is accommodated and disposed below the rear window 6. A handle 14 is attached to the front end surface 4c which is the front end side of the bed cushion 4 in the pulling direction, and one end is fixed to the rear end surface which is the rear end side of the bed cushion 4 in the pulling direction. A handle piece 9 attached to the other end of the string 8 wound around the pulley 15 attached to the cab panel 5 at a position higher than 4c is arranged, and the bed cushion 4 is pulled out by the handle 14 or the handle piece 9 Is configured to be possible.
[0017]
The first engagement portions 4b and 4b and the second engagement portions 4a and 4a are provided on both end surfaces of the bed cushion 4, and the first engagement portions 4b and 4b are provided on the bed cushion 4 as shown in FIG. The guide members 7 and 7 disposed on both sides of the guide members 7 and 7 are slidably fitted in the guide grooves 13 and 13, and the second engagement portions 4 a and 4 a are latched on the guide members 7 and 7. The grooves (locking portions) 12 and 12 are configured to be engageable and disengageable.
[0018]
The locking groove (locking portion) 12 is formed in an inverted L shape, and the opening portion is opened from the front of the guide member 7 so that the second engagement portion 4a can be fitted and inserted. The guide member 7 is bent downward at the center portion to form a locking recess 12a in which the second engaging portion 4a is locked. When the second engaging portion 4a is locked in the locking recess 12a, the pulling out of the bed cushion 4 is prohibited.
[0019]
The guide groove 13 provided in the guide members 7 and 7 is provided in a straight line from the lower side, bends forward in the shape of a key at the upper end portion, further bends downward to form an inverted J shape, and the bed cushion 4 An engagement receiving portion 13a for holding the first engagement portion 4b provided at the rear end portion is formed. At this position, the rear end of the bed cushion 4 is held.
[0020]
Next, the drawer / storage operation of the storage bed apparatus configured as described above will be described.
In FIG. 2, the levers (not shown) are operated to tilt the back seat bases 1b, 2b forward, and the buttons (not shown) are pushed to tilt the back seat tops 1c, 2c forward so that the backs of the back seat tops 1c, 2c face upward. Place it horizontally.
[0021]
When the handle piece 9 is pulled forward, or when the handle 14 is gripped and pulled upward, the second engaging portions 4a and 4a move upward and come out of the locking recess 12a. Therefore, as shown in FIG. The bed cushion 4 rotates counterclockwise around the first engaging portion 4b, and the second engaging portions 4a and 4a are detached from the locking groove 12.
[0022]
Further, when the handle piece 9 is held in the left hand and the handle 14 is pulled forward, the front side of the bed cushion 4 is guided to the horizontal rear surface on the upper side of the back seat. The first engagement portion 4b is held by dropping into the engagement receiving portion 13a, and the front side portion of the bed cushion 4 is placed on the horizontal back surface on the upper side of the back seat at that position. Preparation of the retractable bed is completed by raising the fall prevention frames 1d and 2d.
Therefore, in order to pull out the bed from the housed state, the locking of the second engagement portion is released by an initial operation of a part of a series of operations of pulling forward, and the bed can be easily pulled out by a simple operation.
[0023]
To store the bed cushion 4 from this state, the reverse operation is performed. That is, when the fall prevention frames 1d and 2d are housed in the grooves 1e and 2e on the horizontal rear surface on the upper side of the back seat and the handle piece 9 is pulled, the first engagement portion 4b is detached from the bottom of the engagement receiving portion 13a. When the bed cushion 4 is lifted and pushed backward, the first locking portion 4b is disengaged from the engagement receiving portion 13a, and the pulling force of the handle piece 9 is gradually relaxed, and the bed cushion 4 from the state shown in FIG. When the handle 14 is turned clockwise and the storage is near completion, the second engagement portion 4a is guided to the opening of the locking portion 12 while grasping the handle 14, and falls to the storage position by its own weight.
Therefore, in order to store the bed from the pulled-out state, the locking of the first engaging portion is released by an initial operation of a part of a series of operations of pushing backward, and the bed can be easily stored by a simple operation. it can.
[0024]
【The invention's effect】
As described above, according to the present invention, since the bed is arranged below the rear window and can be pulled out and stored between the cab panel and the seat back, the bed may fall on the passenger side due to an impact. Can be easily prevented.
Further, in the process of pulling out the bed from the storage position, the bed does not rotate by its own weight and does not damage the occupant's fingers.
In addition, when the bed is stored or pulled out, the locked state is released in conjunction with the operation of pulling or pushing in the bed moving direction, and the bed can be moved by a series of operations, so the bed can be stored easily and easily.・ Can be withdrawn.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a usage state of a vehicular stowable bed apparatus according to an embodiment of the present invention.
FIG. 2 is a perspective view showing a storage state of the storage bed device for a vehicle according to the embodiment of the present invention.
FIG. 3 is a view showing another embodiment of the fall prevention frame.
FIG. 4 is an explanatory diagram for explaining a bed storing / drawing operation;
[Explanation of symbols]
1c, 2c Seat back upper side 4 Bed cushion (bed)
4a 2nd engaging part 4b 1st engaging part 5 Cab panel 6 Rear window 7 Guide member 12a Locking recessed part 13a Engagement receiving part

Claims (1)

A storable bed apparatus for a vehicle configured such that a bed in which a passenger can lie on the cab back panel room side is stored along the back panel surface and can be pulled out in a substantially horizontal state when the bed is used. ,
A first engagement portion and a second engagement portion are provided at the rear end portions on both ends of the bed in the pull-out direction, respectively , and the first engagement portion is moved when moving from the storage position to the bed pull-out position. A guide member having an engagement receiving portion formed on an upper side thereof, which is guided by sliding linearly from below and being held by engaging the first engagement portion at the pull-out position, and storage of the bed A locking portion for preventing the bed from rotating in the vehicle front-rear direction around the first engagement portion by engaging the second engagement portion at a position;
Furthermore, said upper backrest upper portion from the middle portion of the back portion of the passenger seat and configured to be bent in the longitudinal direction of the vehicle, when the bed use, the backrest upper portion of the passenger seat and folding A stowable bed apparatus for a vehicle, wherein a front portion of the pulled-out bed is placed on a bent portion above the backrest portion .

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