JP7107861B2 - Box-shaped luggage compartment structure - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a luggage compartment structure for a box-type cargo bed.

2. Description of the Related Art In a box type loading platform used for transport vehicles such as trucks and trailers, there are cases where a two-level loading platform is required for loading unstackable loads such as bicycles. As a structure of a two-stage cargo bed surface, there is a cargo room structure as shown in Patent Document 1, for example. In this luggage compartment structure, shelf boards are attached to the inner sides of the left and right side walls of the box-shaped luggage compartment so as to be able to tilt. A large number of shelf boards are provided from the front part to the rear part of the box type carrier. By laying down the shelf horizontally and supporting the leading edge of the dropped shelf with the supporting legs, a loading surface is formed at a predetermined height. In addition, there is also a cargo room structure in which hanging wires are hung between the tip of the shelf board and the upper part of the side wall.

Japanese Patent No. 5653727

In the conventional luggage compartment structure, since support legs and hanging wires are provided in the luggage compartment, there are problems that obstacles occur in the luggage compartment space, narrowing the luggage compartment space and making it difficult to load cargo. rice field.

SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide a luggage compartment structure for a box-type cargo bed that enables efficient loading work without narrowing the luggage compartment space.

The present invention for solving the above-mentioned problems provides a first shelf plate provided on one side in the vehicle width direction and the first shelf plate provided on the other side in the vehicle width direction in a box-type cargo bed warehouse. A second shelf plate facing each other at the same height and a connecting slide member connecting the first shelf plate and the second shelf plate are provided, and the connecting slide member is provided so as to freely appear and retract on the first shelf plate. a front end portion of the connecting slide member is inserted into the second shelf plate, and the first shelf plate includes a first support rotating body that supports the connecting slide member so as to be slidable in the vehicle width direction; a link mechanism for sliding the member in the vehicle width direction, wherein the second shelf plate includes a second support rotator that supports the tip portion of the connecting slide member so as to be slidable in the vehicle width direction, and the link mechanism is and a slide operation handle used when sliding the connecting slide member, the connecting slide member and the link mechanism being provided at both front and rear end portions of the first shelf plate, respectively. is a cargo room structure for a box-type cargo bed, further comprising a connecting member for connecting the front and rear connecting slide members or the link mechanisms.

According to the luggage compartment structure of the box-shaped cargo bed according to the present invention, the first shelf board and the second shelf board can be integrated by the connecting slide member, so that the cargo bed surface can be formed without providing support legs or hanging wires. be able to. As a result, no obstacles are generated in the cargo space. Therefore, it is possible to prevent the luggage compartment space from becoming narrow, and to perform efficient loading work. Further, the connecting slide member can be slid while suppressing rattling of the connecting slide member. Therefore, the first shelf board and the second shelf board can be connected with high horizontal accuracy. Furthermore, the link mechanism can be used to easily slide the connecting slide member with a small force. Moreover, since the first shelf board and the second shelf board can be connected at two front and rear positions, the rigidity of the connecting portion is increased. Furthermore, when one of the connecting slide members is slid, the other connecting slide member also slides, which simplifies the connecting work.
A second aspect of the present invention for solving the above-mentioned problems is to provide a first shelf plate provided on one side in the vehicle width direction and the first shelf plate provided on the other side in the vehicle width direction in a warehouse of a box-shaped loading platform. A second shelf plate facing the shelf plate at the same height as the shelf plate, and a connecting slide member connecting the first shelf plate and the second shelf plate, wherein the connecting slide member appears on and disappears from the first shelf plate. The first shelf plate, which is freely provided and the leading end portion of the connecting slide member is inserted into the second shelf plate, includes a first support rotor that supports the connecting slide member so as to be slidable in the vehicle width direction. , the second shelf plate includes a second support rotating body that supports the front end portion of the connecting slide member so as to be slidable in the vehicle width direction, and the connecting slide member includes a rack extending along the vehicle width direction is provided, and the first shelf plate is provided with a pinion gear for moving the rack.
According to the cargo room structure of the box-shaped cargo bed, the first shelf board and the second shelf board can be integrated by the connecting slide member, so that the cargo bed surface can be formed without providing support legs or hanging wires. . As a result, no obstacles are generated in the cargo space. Therefore, it is possible to prevent the luggage compartment space from becoming narrow, and to perform efficient loading work. Further, the connecting slide member can be slid while suppressing rattling of the connecting slide member. Therefore, the first shelf board and the second shelf board can be connected with high horizontal accuracy. Furthermore, the connecting slide member can be easily slid linearly by using the pinion rack mechanism.

In the cargo room structure of the box-shaped cargo bed of the present invention, the first shelf is attached to one side wall of the box-shaped cargo bed, the second shelf is attached to the other side wall of the box-shaped cargo bed, Preferably, the first shelf board and the second shelf board are each rotatable between a use position and a storage position. According to such a configuration, when the first shelf board and the second shelf board are stored in the storage positions, even tall luggage can be loaded. In other words, the mode of use can be selected according to the shape of the load to be loaded.

Furthermore, in the luggage compartment structure of the box-type cargo bed of the present invention, the first shelf further includes a positioning cushioning material for holding the first shelf in a horizontal state at the use position, and the second shelf Preferably, the second shelf plate further comprises a positioning cushioning material for holding the second shelf board in a horizontal state at the use position. According to such a configuration, since the connecting slide member can be slid while the first shelf plate and the second shelf plate are horizontal to each other, it is possible to prevent the connecting slide member from interfering with the second shelf plate. can. Moreover, the vibration of the first shelf board and the second shelf board during running can be absorbed by the positioning cushioning material.

Further, in the luggage compartment structure of the box-type luggage bed of the present invention, it is preferable that the slide member is provided with a slide operation handle for sliding the connecting slide member. With such a configuration, the slide member can be easily slid.

Further, in the cargo room structure of the box-type cargo bed according to the present invention, it is preferable that the first shelf plate is provided with a rack guide for movably suspending and supporting the rack. According to such a configuration, it is possible to easily ensure the horizontality of the rack.

According to the luggage compartment structure of the box type cargo bed of the present invention, no obstacles are generated in the luggage compartment space. Therefore, it is possible to prevent the luggage compartment space from becoming narrow, and to perform efficient loading work.

Fig. 2 is a perspective view showing a state in which the first shelf portion and the second shelf board of the cargo room structure of the box-type cargo bed according to the embodiment of the present invention are arranged at the storage position; FIG. 2 is a perspective view showing a state in which the first shelf and the second shelf board of the cargo room structure of the box-type cargo bed according to the embodiment of the present invention are arranged in use positions; It is sectional drawing which showed the rotation state of a 1st shelf. It is the top view which showed the state which has a 1st shelf and a 2nd shelf in a use position. (a) is an enlarged side view of essential parts showing a state in which the first shelf board is in the storage position, and (b) is an enlarged side view of essential parts showing a state in which the first shelf board is in the use position. It is the principal part enlarged plan view which showed the 1st shelf and the 2nd shelf. (a) is a side view showing a state in which the connecting slide member is in the recessed position, (b) is a cross-sectional view showing the state in which the connecting slide member is in the middle of sliding, and (c) is a state in which the connecting slide member is in the projected position. It is a cross-sectional view showing the. (a) is an enlarged side view of a main part showing a first shelf board, and (b) is an enlarged side view of a main part showing a second shelf board. (a) is a cross-sectional view showing a state in which the first shelf and the second shelf are in the retracted position; (b) is a cross-sectional view showing a state in which the first shelf and the second shelf are in the middle of rotating; (c) is a cross-sectional view showing a state in which the first shelf and the second shelf are in use positions. FIG. 6 is an enlarged plan view of a main part showing a first shelf and a second shelf of the luggage compartment structure of the box-type luggage carrier according to the second embodiment of the present invention; FIG. 10A is a side view showing a state in which the connecting slide member is in the retracted position, and FIG. is a cross-sectional view showing a state in which is in a projecting position. (a) is a cross-sectional view along the line AA in (b) of FIG. 11, (b) is a cross-sectional view along the line BB in (b) of FIG. 11, and (c) is a cross-sectional view along the line CC in (b) of FIG. FIG. 11(d) is a sectional view taken along line DD of FIG. 11(b).

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments for carrying out the present invention will be described in detail with reference to the attached drawings. In the present embodiment, as shown in FIG. 1, a back-open type cargo bed provided with an opening/closing door on the rear wall 2 will be described as an example. In this embodiment, the front, rear, left, and right directions refer to the directions viewed from the driver sitting in the driver's seat.

As shown in FIGS. 1 to 4, the cargo room structure 3 of the box-shaped cargo bed 1 according to the present embodiment includes a first cargo space provided on one side (left side) in the vehicle width direction in the interior of the box-shaped cargo bed 1. A shelf plate 11, a second shelf plate 12 provided on the other side (right side) in the vehicle width direction, and a connecting slide member 13 connecting the first shelf plate 11 and the second shelf plate 12 are provided. .

The first shelf board 11 is rotatably attached to one side wall (left side wall) 4 of the box-type cargo bed 1 . The first shelf board 11 has a rectangular shape in plan view. A base end portion of the first shelf plate 11 is rotatably fixed to an installation rail 6 provided on the left side wall 4 . The first shelf board 11 rotates between the use position S1 and the storage position S2. The use position S1 is a position where the first shelf board 11 protrudes from the installation rail 6 toward the center in the width direction and becomes horizontal (see FIGS. 2 and 3). The storage position S2 is a position where the first shelf board 11 stands up vertically from the installation rail 6 and is in parallel proximity to the left side wall 4 (see two-dot chain lines in FIGS. 1 and 3).

The lateral width of the first shelf plate 11 is slightly smaller than half the inner width of the box-type cargo bed 1 . The first shelf board 11 is combined with the adjacent second shelf board 12 to form a shelf board extending from the left side wall 4 to the right side wall 5 (see FIG. 2). A plurality of first shelf plates 11 are provided adjacent to each other in the front-rear direction from the front end to the rear end of the box-type cargo bed 1 (see FIGS. 1 and 2). In this embodiment, the installation range of the first shelf board 11 extends from the front end to the rear end of the box-shaped carrier 1, but is not limited to this. The installation range may be set according to the cargo to be loaded, and may be, for example, only the front portion of the box-type loading platform 1, or may be the middle portion or the rear portion.

The installation rail 6 is a long member extending in the longitudinal direction of the vehicle body. The installation rail 6 on which the first shelf board 11 is installed is arranged in the installation area of the first shelf board 11 and is fixed to the inner surface of the left side wall 4 . In this embodiment, the installation rails 6 are provided from the front end portion to the rear end portion of the box-type carrier 1 . As shown in FIGS. 5 and 6, the installation rail 6 has a projecting portion 6a projecting inwardly from the left side wall 4. As shown in FIGS. The upper surface 6b of the projecting portion 6a is horizontal. A vertically rising connection bracket 7a is provided on the upper surface 6b. The connection bracket 7a is erected on a base plate 7b fixed to the upper surface 6b and spreads along the vehicle width direction. The base plates 7b are provided at positions corresponding to the front and rear ends of the first shelf plate 11, respectively. The connection brackets 7a are arranged in pairs on the base plate 7b at predetermined intervals in the front-rear direction. A first shelf plate 11 is pin-connected to the connection bracket 7a.

A connecting member 7c for supporting a spring member 21, which will be described later, is rotatably provided between the pair of connecting brackets 7a, 7a. The connecting member 7c has a rod shape and extends in the vehicle front-rear direction. One end of the spring member 21 is fixed to the connecting member 7c. The upper surface 6b is provided with a stopper 8 against which a positioning cushioning material (to be described later) abuts. The stoppers 8 are provided at positions corresponding to the front end and the rear end of the first shelf plate 11, respectively. The stopper 8 includes a rising plate portion 8a and a contact plate portion 8b. The rising plate portion 8a is erected on the base plate 7b and spreads along the vehicle width direction. The contact plate portion 8b is provided at the inner end portion of the rising plate portion 8a in the vehicle width direction and extends along the longitudinal direction of the vehicle body. The rising plate portion 8a and the contact plate portion 8b are combined to form a T-shape in plan view.

The first shelf plate 11 has a plate support frame (not shown) combined in a grid pattern, and a floor plate 14a made of waterproof veneer or the like is attached to the front side, and a back plate 14b made of an aluminum alloy plate or the like is attached to the back side. It is pasted and configured. The floor plate 14a and the back plate 14b are fixed to the plate support frame by fixing means such as screws and rivets. As shown in FIGS. 3 and 4, the first shelf plate 11 is slidably provided with a connecting slide member 13 . The first shelf plate 11 includes a connecting member 20, a spring member 21, a positioning cushioning material 22, a rotating operation handle 23, a locking member 24, a supporting member 50 for the connecting slide member 13, and the connecting slide member 13. and a link mechanism 51 for sliding.

As shown in FIGS. 5 and 6 , the connection member 20 is a member for rotatably connecting the first shelf board 11 to the installation rail 6 . The connecting member 20 is composed of a pair of front and rear turning brackets 25 , 25 arranged parallel to the connecting bracket 7 a provided on the installation rail 6 . The rotating brackets 25 are arranged in pairs at the front end and the rear end of the first shelf plate 11 with a predetermined interval in the front-rear direction. A pair of rotating brackets 25 , 25 are fixed to the first shelf plate 11 and connected to each other via pins 26 . This pin 26 serves as the center of rotation of the first shelf board 11 . The pin 26 extends between the connection brackets 7a, 7a, and one pin 26 joins the pair of connection brackets 7a, 7a and the pivot brackets 25, 25 together.

The spring member 21 is a member that assists the rotation operation of the first shelf plate 11 . The spring member 21 extends along the width direction of the first shelf board 11 . Two spring members 21 are arranged at the front end and the rear end of the first shelf plate 11 at predetermined intervals in the front-rear direction. The spring member 21 includes a compression coil spring 27 , a shaft member 28 and a spring force adjusting nut 29 . A spring receiving plate 27a is provided at a position corresponding to the tip of the compression coil spring 27 (the end on the side away from the installation rail 6). The spring receiving plate 27 a has a rectangular shape with an insertion hole through which the shaft member 28 is inserted, and is fixed to the frame of the first shelf plate 11 . The tip of the compression coil spring 27 is in contact with the spring receiving plate 27a. A shaft member 28 is inserted inside the compression coil spring 27 .

The shaft member 28 is longer than the axial length of the compression coil spring 27 . A connecting member 7c of the installation rail 6 is connected to the base end of the shaft member 28 (the end near the installation rail 6). The spring member 21 is rotatable by rotating the connecting member 7c. A male screw is formed at the proximal end of the shaft member 28, and a spring force adjusting nut 29 is screwed onto the male screw. By tightening the spring force adjusting nut 29 to shorten the length of the compression coil spring 27, the spring force of the compression coil spring 27 is increased. The spring force of the compression coil spring 27 is appropriately set according to the number of spring members 21 installed and the mass of the first shelf board 11 . The spring reaction force is set by comparing the rotational moment around the center of rotation (pin 26) of the first shelf plate 11 . Specifically, the spring force is set so that the moment caused by the spring reaction force and the moment caused by the weight of the floor are equal when the first shelf plate 11 is tilted upward by approximately 45 degrees with respect to the horizontal. do. When the first shelf plate 11 is inclined less than 45 degrees, the moment of the spring reaction force is larger than the moment of the floor mass. It is preferably less than the moment of mass.

The positioning cushioning material 22 is a member for holding the first shelf board 11 in a horizontal state at the use position S1. The positioning cushioning material 22 is fixed to the frame at the base end of the first shelf board 11 . The positioning cushioning material 22 restricts the rotation of the first shelf 11 by coming into contact with the contact plate portion 8b of the stopper 8 of the installation rail 6 when the first shelf 11 is at the use position S1. , to hold the first shelf plate 11 in a horizontal state. The positioning cushioning material 22 is made of a resin material such as rubber or plastic. The positioning buffers 22 are provided at the front and rear ends of the first shelf plate 11, respectively. The positioning cushioning material 22 is fixed to the first shelf board 11 via a position adjustment bolt 22a. The positioning cushioning material 22 serves to transmit the load of the first shelf plate 11 and the cargo to the installation rails 6 and to absorb vibrations during travel.

The rotating operation handle 23 is a handle that is gripped by the operator when performing the rotating operation of the first shelf board 11 . As shown in FIG. 6, the rotating operation handle 23 is rotatably provided on the frame 35 at the rear end of the first shelf board 11 . The frame 35 at the rear end has a U-shaped cross section and includes an upper flange portion 35a, a web portion 35b, and a lower flange portion 35c. The upper flange portion 35a and the lower flange portion 35c of the frame 35 protrude outward (rear side). The projecting dimension of the lower flange portion 35c of the frame 35 is smaller than the projecting dimension of the upper flange portion 35a (see FIG. 7). The rotating operation handle 23 is attached to the web portion 35b. The rotating operation handle 23 rotates between a retracted position extending in the width direction of the vehicle and a use position extending in the longitudinal direction of the vehicle. At the retracted position, the rotating operation handle 23 is housed in a frame having a U-shaped cross section and is within the plane of the first shelf board 11 . At the use position, the gripping portion at the tip of the rotating operation handle 23 protrudes rearward from the plane of the first shelf plate 11 to facilitate gripping.

The lock member 24 is a member that locks the first shelf board 11 to the left side wall 4 in the storage position S2. As shown in FIGS. 5 and 6 , locking members 24 are provided at both the front and rear ends of the first shelf 11 . The lock member 24 has a support bracket 30 and a lock plate 31 . The support bracket 30 is attached to the web portion 35b of the frame 35 of the first shelf 11. As shown in FIG. The lock plate 31 is rotatably attached to the support bracket 30 . A hook portion 31 a is formed at the tip portion of the lock plate 31 . The tip of the lock plate 31 is offset to the outside of the frame 35 so that it can protrude from the surface of the first shelf plate 11 when locked (see FIG. 5(a)). By rotating the lock plate 31 , the hook portion 31 a is locked to the receiving member 32 provided on the left side wall 4 . The receiving member 32 has a horizontal rod 32a extending in the horizontal direction. The hook portion 31a is engaged with the horizontal rod 32a. By locking the lock plate 31 to the receiving member 32 as described above, the first shelf board 11 is fixed at the storage position S2. The lock plates 31 at the front and rear ends of the first shelf plate 11 (only the lock plate at the front end is shown) are connected by connecting rods 33 extending in the front-rear direction. When it is rotated, the lock plate at the front end is also rotated synchronously.

The connecting slide member 13 is a member that connects the first shelf plate 11 and the second shelf plate 12 . As shown in FIG. 4, the connecting slide members 13 are provided at two locations, the front end portion and the rear end portion, of the first shelf plate 11, respectively. As shown in FIGS. 6 to 8, the connecting slide member 13 is an elongated member having a U-shaped cross section and having an upper flange portion 13a, a web portion 13b and a lower flange portion 13c. The connecting slide member 13 extends in the vehicle width direction when the first shelf board 11 is at the use position S1. The connecting slide member 13 is arranged inside the first shelf plate 11 and supported via a support member 50 . The connecting slide member 13 can be retracted toward the second shelf board 12 .

A rotating body 36 having a rotating shaft orthogonal to the upper flange portion 13a is provided on the upper flange portion 13a at the tip of the connecting slide member 13. As shown in FIG. The rotating body 36 is composed of, for example, a ball bearing. The connecting slide member 13 is inserted inside the upper flange portion 35a, the web portion 35b and the lower flange portion 35c of the frame 35. As shown in FIG. A cover member 37 that covers the opening is provided at the tip of the frame 35 (the tip near the second shelf plate 12). As shown in FIG. 8A, the cover member 37 has an L-shaped cross section. One end of the cover member 37 is abutted against the tip of the lower flange portion 35c of the frame 35, and the other end is in contact with the lower surface of the upper flange portion 35a. A rectangular hollow portion is formed by the frame 35 and the cover member 37 . The outer peripheral surface of the rotating body 36 provided on the upper portion of the connecting slide member 13 is close to the web portion 35b of the frame 35 and the side wall portion of the cover member 37, and serves as a positioning guide for the connecting slide member 13 in the width direction. play.

Guide members 38, 38 are provided on both sides of the web portion 13b of the connecting slide member 13 so as to sandwich the web portion 13b. The guide members 38, 38 are composed of plates and fixed to the web portion 35b of the frame 35 and the cover member 37, respectively.

A lower corner portion of the tip portion of the upper flange portion 13 a of the connecting slide member 13 is chamfered to form an inclined surface 15 . When the connecting slide member 13 is inserted into the second shelf plate 12, the inclined surface 15 guides the upper flange portion 13a above the second supporting rotor 61, which will be described later. A corner portion of the upper surface of the tip portion of the lower flange portion 13c of the connecting slide member 13 is chamfered to form an inclined surface 16. As shown in FIG. When the connecting slide member 13 is inserted into the second shelf plate 12, the inclined surface 16 guides the lower flange portion 13c below the second support rotor 61, which will be described later. The lower flange portion 13c of the connecting slide member 13 has an inclined surface 17 formed by chamfering the lower corner portion of the tip portion thereof. The inclined surface 17 guides the lower flange portion 13 c above the lower flange portion 35 c of the frame 35 when the connecting slide member 13 is inserted into the second shelf plate 12 .

The support members 50 are attached to the web portions 35b of the frame 35 at the front and rear ends of the first shelf plate 11. As shown in FIG. The support member 50 is composed of a first support rotor 52 made of, for example, a ball bearing. The first support rotor 52 has a rotation shaft extending in the longitudinal direction of the vehicle body, and is provided between the upper flange portion 13 a and the lower flange portion 13 c of the connecting slide member 13 . The upper flange portion 13 a is placed on the first support rotor 52 . A plurality (two in the present embodiment) of the first support rotors 52 are provided at intervals in the width direction of the first shelf board 11 . The first supporting rotors 52 are arranged at two positions of the leading end portion and intermediate portion of the connecting slide member 13 when the connecting slide member 13 is accommodated in the first shelf plate 11 . The two first supporting rotors 52, 52 are arranged at the same height when the first shelf board 11 is in the use position S1.

The link mechanism 51 is for sliding the connecting slide member 13 to appear and disappear from the first shelf plate 11 . The link mechanism 51 is attached to the frames 35 at the front and rear ends of the first shelf board 11 . The link mechanism 51 includes a link arm 53 , a link rod 54 and a fixing member 56 . The link arm 53 is a member attached to the first shelf board 11 side. A proximal end of the link arm 53 is rotatably attached to the frame.

A slide operation handle 55 , a fixing member 56 and a connecting member 57 are provided near the tip of the link arm 53 .

The slide operation handle 55 is a handle that is gripped by the operator when performing the slide operation of the connecting slide member 13 . The slide operation handle 55 is attached only to the link arm 53 at the rear end of the first shelf board 11 . The slide operation handle 55 rotates between a retracted position extending in the width direction of the vehicle and a use position extending in the longitudinal direction of the vehicle. At the use position, the slide operation handle 55 extends in the longitudinal direction of the vehicle and can be easily gripped. The slide operation handle 55 projects slightly rearward from the plane of the first shelf plate 11 even at the retracted position. , the slide operation handle 55 and the frame 35 do not interfere.

The fixing member 56 fixes the link arm 53 to the first shelf 11 when the link mechanism 51 is in a state in which the connecting slide member 13 protrudes from the first shelf 11 . The fixing member 56 is made of a magnet, and is magnetically attached to a plate 58 provided on the upper surface of the frame when the link arm 53 rotates toward the connecting slide member 13 . As a result, the link arm 53 is fixed to the first shelf board 11 (see (c) of FIG. 9).

The link arm 53 at the front end and the link arm 53 at the rear end are connected via a connecting member 57 . The connecting member 57 has a rod shape and spans between the tip portions of the link arms 53 . By connecting the front and rear link arms 53 to each other, when the rear end link arm 53 is rotated, the front end link arm 53 is also interlocked. As a result, only by rotating the link mechanism 51 from behind the first shelf plate 11, both the front and rear connecting slide members 13 can be slid at the same time.

The link rod 54 is a member attached to the connecting slide member 13 side. A proximal end of the link rod 54 is rotatably attached to a distal end of the link arm 53 . A distal end portion of the link rod 54 is rotatably attached to a proximal end portion of the connecting slide member 13 .

In the link mechanism 51 configured as described above, when the connecting slide member 13 is retracted into the first shelf plate 11, the link arm 53 is moved to the first shelf plate as shown in FIG. 9(a). A link arm 53 and a link rod 54 are folded toward the proximal end of 11 . When the connecting slide member 13 is projected, as shown in FIG. 9B, the slide operation handle 55 is held and the link arm 53 is rotated from below toward the connecting slide member 13 side. Then, the link rod 54 is pushed toward the tip of the first shelf 11 and the connecting slide member 13 protrudes toward the second shelf 12 . When the connecting slide member 13 protrudes from the first shelf plate 11, as shown in FIG. is in a stretched state. At this time, the fixing member 56 is magnetically attached to the plate 58 and the link arm 53 is fixed to the first shelf plate 11 . Since the fixing member 56 is a magnet, when the link arm 53 is rotated to the base end side with a force greater than a predetermined value, the fixing member 56 is removed from the plate 58 and the fixing of the link arm 53 is released.

The second shelf board 12 is rotatably attached to the other side wall (right side wall) 5 of the box-type cargo bed 1 . The second shelf board 12 has a rectangular shape in a plan view that is bilaterally symmetrical with the first shelf board 11 . A base end portion of the second shelf plate 12 is rotatably fixed to an installation rail 6 provided on the right side wall 5 . The installation rail 6 provided on the right side wall 5 has a symmetrical shape with the installation rail 6 provided on the left side wall 4 . Like the first shelf 11, the second shelf 12 rotates between the use position S1 and the storage position S2.

The second shelf plate 12 includes a connection member 20 , a spring member 21 , a positioning buffer member 22 , a rotating operation handle 23 , a lock member 24 , and a support member 60 that supports the tip of the connecting slide member 13 . I have.

The connecting member 20, the spring member 21, the positioning cushioning member 22, the rotating operation handle 23, and the locking member 24 are symmetrical to those provided on the first shelf plate 11, and the basic configuration is are the same.

The support member 60 is a member that supports the tip of the connecting slide member 13 protruding from the first shelf plate 11 . The support member 60 is composed of a second support rotor 61 made of, for example, a ball bearing. The second support rotor 61 has the same configuration as the first support rotor 52 . The second support rotator 61 includes the tip portion of the frame 35 of the second shelf plate 12 (the tip portion near the first shelf plate 11) and the base end portion of the second shelf plate 12 (the inserted connecting slide member 13). (the part corresponding to the tip of the ). The second support rotor 61 has the same height as the first support rotor 52 when the first shelf board 11 and the second shelf board 12 are arranged at the use position S1. The upper flange portion 13 a of the inserted connecting slide member 13 is placed on the second support rotor 61 . As the second supporting rotor 61 rotates, the connecting slide member 13 slides.

A cover member 37 that covers the opening of the frame 35 is provided in the range in which the connecting slide member 13 slides (the range including the two second support rotors 61, 61). As shown in FIG. 8B, the frame 35 and the cover member 37 form a rectangular hollow portion. When the connecting slide member 13 is inserted into the second shelf plate 12 , the rotating body 36 provided on the top of the connecting slide member 13 serves as a positioning guide for the connecting slide member 13 in the width direction.

Hereinafter, in the cargo room structure 3 of the box-type cargo bed 1 according to the present embodiment, as shown in FIG. The operation and effect of the luggage compartment structure 3 will be explained while explaining the procedure for integrating by rotating them.

As shown in FIG. 9B, the first shelf board 11 is rotated to the use position S1. When rotating the first shelf plate 11, first, the lock plate 31 of the lock member 24 is rotated to release the locking of the hook portion 31a to the horizontal rod 32a. At this time, since the front and rear lock plates 31 , 31 are connected by the connecting rod 33 , both lock members 24 can be unlocked simply by rotating one (rear) lock plate 31 .

Next, the rotating operation handle 23 is raised in a direction extending rearward of the vehicle to the use position, and the first shelf board 11 is rotated by gripping the rotating operation handle 23 . At this time, since the rotation operation of the first shelf 11 is assisted by the spring member 21, the first shelf 11 can be rotated relatively lightly.

When the first shelf plate 11 becomes horizontal and reaches the use position S1, the positioning cushioning material 22 contacts the contact plate portion 8b of the stopper 8 of the installation rail 6, and the first shelf plate 11 is held in a horizontal state. be. The positioning cushioning material 22 can also absorb vibration during running.

Next, the second shelf board 12 is also rotated to the use position S1 in the same procedure. As shown in (c) of FIG. 9, the first shelf board 11 and the second shelf board 12 face each other at the same height.

Thereafter, as shown in FIG. 7, the link mechanism 51 is used to slide the connecting slide member 13 . When sliding the connecting slide member 13 , the slide operation handle 55 is raised in a direction extending rearward of the vehicle to the use position, and the slide operation handle 55 is gripped to rotate the first shelf plate 11 . At this time, since the front and rear link arms 53, 53 are connected by the connection member 57, both the connection slide members 13, 13 can be slid simply by rotating one (rear) link arm 53. can. Further, since the connecting slide member 13 is supported by the first support rotating body 52 made of a ball bearing, the connecting slide member 13 can be slid with a small force while suppressing rattling of the connecting slide member 13. Horizontal accuracy can be increased.

When the connecting slide member 13 slides, its tip portion is inserted into the second shelf plate 12 . Since inclined surfaces 15, 16, and 17 are formed at the tip of the connecting slide member 13, the connecting slide member 13 can be guided to a desired position without colliding with the second supporting rotating body 61 or the frame 35. be done. Further, in the second shelf plate 12, the connecting slide member 13 is supported by the second supporting rotor 61 made of a ball bearing, so that the connecting slide member 13 can be slid with a small force while suppressing rattling. In addition, the horizontal accuracy of the connecting slide member 13 can be increased. Since the link arm 53 is magnetically attached to the predetermined position by the fixing member 56, the connecting slide member 13 can be fixed to the predetermined position.

Thereby, the first shelf board 11 and the second shelf board 12 are integrated by the connecting slide member 13 . In particular, since the connecting slide members 13 are provided in front and behind the first shelf board 11 and the second shelf board 12, the rigidity of the integrated shelf board can be increased. Further, since the first shelf plate 11 and the second shelf plate 12 are integrated by the connecting slide member 13, the mounting rails 6 of the left side wall 4 and the right side wall 5 mainly bear the load of the shelf plates and cargo. It only takes. Therefore, the cargo bed surface can be formed without providing the conventional supporting legs and hanging wires. As a result, no obstacles are generated in the luggage compartment space, so that it is possible to prevent the luggage compartment space from becoming narrow and to perform efficient loading work.

Since the first shelf board and the second shelf board 12 are rotatably attached between the use position S1 and the storage position S2, when the first shelf board 11 and the second shelf board 12 are not used, , to the storage position S2, tall cargo can be loaded. In other words, the mode of use can be selected according to the shape of the load to be loaded.

Next, the cargo room structure of the box-type cargo bed according to the second embodiment will be described in detail with reference to FIGS. 10 to 12. FIG. While the first shelf board 11 of the cargo room structure 3 of the box-shaped cargo bed 1 of the above-described embodiment includes the link mechanism 51 as a mechanism for sliding the connecting slide member 13, the box-shaped cargo bed according to the second embodiment As shown in FIGS. 10 and 11 , the luggage compartment structure 3 of 1 uses a rack and pinion as a mechanism for sliding the connecting slide member 13 .

A rack 110 is provided on the connecting slide member 13 , and a pinion gear 120 for moving the rack 110 is provided on the first shelf plate 11 . Further, the connecting slide member 13 is provided with a slide operation handle 111, and the first shelf plate 11 is provided with a rack guide 112 for movably suspending and supporting the rack.

The rack 110 extends along the vehicle width direction and is connected to the end portion (the outer end portion in the vehicle width direction) of the connecting slide member 13 . The rack 110 is connected to the upper portion of the connecting slide member 13 and arranged with the teeth 113 directed downward. The length of the rack 110 is the same as the slide length of the connecting slide member 13 . The racks 110 are provided in the front and rear frames 35 of the first shelf board 11, respectively.

The pinion gear 120 is a disk-shaped member having teeth 121 on its outer peripheral surface that mesh with the teeth 113 of the rack 110 . The pinion gear 120 is arranged below the end of the rack 110 (the end on the side of the connecting slide member 13 ) when the connecting slide member 13 is retracted into the first shelf plate 11 . That is, the pinion gear 120 is always in mesh with the rack 110 within the range where the connecting slide member 13 appears and retracts toward the second shelf plate 12 . As shown in (b) of FIG. 12 , the pinion gear 120 has a rotating shaft 122 . The rotating shaft 122 is rotatably supported by a bearing 123 provided on the web portion 35b of the frame 35. As shown in FIG. The pinion gears 120 are provided in the front and rear frames 35 of the first shelf plate 11, respectively. The front and rear pinion gears 120 are connected by a connecting rod 124 extending back and forth. The connecting rod 124 is coaxially connected to the rotating shafts 122 of the front and rear pinion gears 120 . When one (rear) pinion gear 120 rotates, the other (front) pinion gear (not shown) also rotates accordingly.

As shown in FIGS. 10 and 11 , the slide operation handle 111 is a handle that is gripped by the operator when performing the slide operation of the connecting slide member 13 . As also shown in FIG. 12(c), the slide operating handle 111 is provided on the web portion 13b on the side surface of the outer end of the connecting slide member 13 near the connection portion between the connecting slide member 13 and the rack 110. ing. The slide operation handle 111 is attached only to the connecting slide member 13 on the rear side of the first shelf board 11 . The slide operation handle 111 rotates between a retracted position extending in the width direction of the vehicle and a use position extending in the longitudinal direction of the vehicle. At the use position, the slide operation handle 111 extends in the longitudinal direction of the vehicle, making it easy to grasp. The slide operation handle 111 is accommodated in the frame 35 at the retracted position, but a part of the handle 111 projects slightly backward from the plane of the first shelf plate 11 . The projecting lower portion of the slide operation handle 111 does not interfere with the adjacent first shelf plate (not shown).

Rack guide 112 is provided in the vicinity of pinion gear 120 to improve the meshing state between rack 110 and pinion gear 120 . As shown in FIG. 12A, the rack guide 112 has a U-shaped cross section and covers the rack 110 from below. The rack guide 112 is attached to the upper flange portion 35 a of the frame 35 via a fixing block 114 . The rack guide 112 surrounds the rack 110 from below and movably suspends and supports it. The rack guides 112 are provided in the front and rear frames 35 of the first shelf board 11, respectively.

A slide stopper 130 is provided on the first shelf plate 11 . The slide stopper 130 is a member that locks the connecting slide member 13 between the protruded position and the retracted position, and is provided at the end of the frame 35 on the side of the second shelf board 12 . The slide stopper 130 is fixed to the cover member 37 attached to the end of the frame 35, as shown in FIG. 12(d). The slide stopper 130 has a projecting/retracting pin 131 projecting toward the web portion 13 b of the connecting slide member 13 . The retractable pin 131 is inserted into locking holes 132a and 132b formed in the web portion 13b. The locking hole 132a is formed at the outer end of the web portion 13b, and the retractable pin 131 is inserted therein when the continuous slide member 13 is at the projecting position. The locking hole 132b is formed at the end of the web portion 13b on the side of the second shelf plate 12, into which the retractable pin 131 is inserted when the continuous slide member 13 is at the retracted position.

10 to 12, other configurations are the same as those of the above-described embodiment, so the same reference numerals are given and descriptions thereof are omitted.

In the cargo room structure 3 of the box-shaped cargo bed 1 configured as described above, when the connecting slide member 13 is moved toward the second shelf plate 12, the slide operation handle 111 is raised in a direction extending rearward of the vehicle to the use position. Then, the slide operation handle 111 is grasped and moved to the second shelf plate 12 side. Then, since the connecting slide member 13 is supported by the first support rotating body 52 made up of a ball bearing, it is possible to suppress rattling of the connecting slide member 13 and slide the connecting slide member 13 with a small force. Horizontal accuracy can be increased.

When the connecting slide member 13 slides, the rack 110 also slides and the pinion gear 120 rotates. Along with this, the connecting rod 124 rotates, and the front pinion gear rotates in conjunction with it. Then, the rack slides, and the front connecting slide member also protrudes toward the second shelf plate 12 side. Thus, only by sliding the rear connecting slide member 13, the front connecting slide member can also be slid in conjunction.

Further, in this embodiment, since the rack guide 112 is provided, the horizontality of the rack 110 can be easily ensured, and the connecting slide member 13 can slide smoothly.

Although the embodiments for carrying out the present invention have been described above, the present invention is not intended to be limited to the above-described embodiments, and design changes can be made as appropriate without departing from the spirit of the present invention. For example, in the above-described embodiment, the first support rotor 52 and the second support rotor 61 are composed of ball bearings, but are not limited to this. Other bearings such as roller bearings and hydrodynamic bearings may be used, or simple wheels or the like may be used. However, the use of bearings is preferable because the horizontal accuracy of the connecting slide member 13 when sliding can be increased.

Moreover, in the above-described embodiment, the installation rails 6 extend in the front-rear direction, but a plurality of rows may be provided so as to extend in the vertical direction. In this case, it is preferable that a plurality of holes for fixing the connection brackets are vertically provided in the installation rail. With this configuration, the installation height of the connection bracket can be changed, so that the height of the shelf board can be adjusted.

Further, in the above-described embodiment, the front and rear link mechanisms 51, 51 are connected to each other via the connection member 57, but the present invention is not limited to this, and the front and rear connection slide members 13, 13 are connected to each other. good too. By doing so, it becomes possible to omit the front link mechanism 51 .

1 box-type cargo bed 3 luggage compartment structure 4 left side wall (one side wall)
5 right side wall (other side wall)
6 installation rail 11 first shelf plate 12 second shelf plate 13 connecting slide member 51 link mechanism 52 first support rotor 53 link arm 54 link rod 55 slide operation handle 61 second support rotor S1 use position S2 storage position 110 Rack 111 Slide operation handle 112 Rack guide 120 Pinion gear

Claims (6)

In the warehouse of the box type cargo bed,
A first shelf plate provided on one side in the vehicle width direction;
a second shelf plate provided on the other side in the vehicle width direction and facing the first shelf plate at the same height;
A connecting slide member that connects the first shelf board and the second shelf board,
The connecting slide member is provided on the first shelf plate so as to be retractable, and a tip portion of the connecting slide member is inserted into the second shelf plate,
The first shelf plate includes a first support rotating body that supports the connecting slide member so as to be slidable in the vehicle width direction, and a link mechanism that slides the connecting slide member in the vehicle width direction,
The second shelf plate includes a second support rotating body that supports the distal end portion of the connecting slide member so as to be slidable in the vehicle width direction,
The link mechanism includes a slide operation handle used when sliding the connecting slide member,
The connecting slide member and the link mechanism are provided at both front and rear end portions of the first shelf plate,
The luggage compartment structure for a box-type cargo bed, wherein the first shelf plate further includes a connecting member that connects the front and rear connecting slide members or the link mechanisms. In the warehouse of the box type cargo bed,
A first shelf plate provided on one side in the vehicle width direction;
a second shelf plate provided on the other side in the vehicle width direction and facing the first shelf plate at the same height;
A connecting slide member that connects the first shelf board and the second shelf board,
The connecting slide member is provided on the first shelf plate so as to be retractable, and a tip portion of the connecting slide member is inserted into the second shelf plate,
The first shelf plate includes a first support rotor that supports the connecting slide member so as to be slidable in the vehicle width direction,
The second shelf plate includes a second support rotating body that supports the distal end portion of the connecting slide member so as to be slidable in the vehicle width direction,
The connecting slide member is provided with a rack extending along the vehicle width direction,
The luggage compartment structure of the box-type cargo bed, wherein the first shelf plate is provided with a pinion gear for moving the rack. The first shelf board is attached to one side wall of the box-type cargo bed,
The second shelf board is attached to the other side wall of the box-type cargo bed,
3. The luggage compartment structure for a box-type cargo bed according to claim 1, wherein the first shelf board and the second shelf board are each rotatable between a use position and a storage position. . The first shelf board further comprises a positioning buffer material for holding the first shelf board in a horizontal state at the use position,
4. The luggage compartment structure for a box-type cargo bed according to claim 3 , wherein the second shelf further includes a positioning cushioning material for holding the second shelf in a horizontal state at the use position. . 3. The luggage compartment structure for a box-type cargo bed according to claim 2 , wherein the connecting slide member is provided with a slide operation handle for sliding the connecting slide member. 6. The luggage compartment structure of the box-type cargo bed according to claim 2 , wherein the first shelf board is provided with a rack guide that suspends and supports the rack so as to be movable.

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