JP2003082919A - Luggage compartment door for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a luggage compartment door for a vehicle, having a door structure of a box-shaped luggage compartment for the vehicle, enabling a worker holding luggage to simply go in and out of the compartment. SOLUTION: In this luggage compartment door for a vehicle, a sliding door 3 is slidably mounted in a wall thickness of double doors provided to open and close the substantially half on one side of a luggage compartment carry-in and out port 11, and a comparatively thin sliding driving mechanism 4 is incorporated therein. The opening and closing end of the sliding door 3 mounted in the double doors 2 is provided with a lock fitting 51, and an automatic locking mechanism 5 is assembled in the edge part of the carry-in and out port 11 corresponding to the fitting.

Description

Detailed Description of the Invention

[0001]

SUMMARY OF THE INVENTION The present invention relates to a door structure provided at a loading / unloading port of a box-shaped luggage compartment of a freight vehicle, which is difficult for an operator who holds a load and has both hands blocked when loading and unloading the load. It has a new structure that allows the doors of conventional box-type luggage compartments to be opened and closed automatically by the action of switches and sensors, and can also be used as a loading / unloading port as before. It is intended to provide a luggage compartment door for a vehicle.

[0002]

2. Description of the Related Art When long-distance transportation using national roads becomes safe and speedy due to the development and expansion of domestic road network over many years, the distribution system for moving a large amount of various kinds of daily necessities has been A dramatic change from the transportation system when starting from the railway, many private companies entered the home delivery service business, competed for that service and improved the quality, and the door-to-door service is already common sense. It's been a long time. Truck transportation, which has been deeply involved in the transformation of this transportation system, has continued to be an excellent fit for the times, thanks to the increase in large suburban stores that are located along main roads and the thriving mail-order sales system. As a means of transporting daily necessities, its importance is increasing.

Under such circumstances, an operator who is actually involved in truck transportation is required to make an effort to improve work efficiency by performing both operations of driving a vehicle and delivering a package by himself. However, it is the responsibility of accepting various requests from individuals to deliver various forms of packages with completely different packaging, etc. to anywhere in the country, especially in central areas such as narrow alleys and high traffic areas. In a situation where it is extremely difficult and dangerous to work, you have to find a proper destination while running around the road, and you have to park the truck on the road where people and cars come and go to load and unload luggage. there were.

As a result, the delivery work with parking on the public road is
It is of course necessary to pay close attention to prevent collision accidents caused by traveling vehicles, but it is unavoidable that while delivering the luggage while parked in a narrow place, it is parked in another car near the door and box-shaped. It is always necessary to deal with inconveniences such as being unable to open and close the double doors in the luggage compartment, which affects delivery efficiency, and inadvertently hits the opened door against other objects. In addition to this, above all, with this traditional double-door double door, it makes opening and closing operation extremely difficult while holding the luggage in both hands, so put the luggage held in both hands on the ground and open the door After that, it is forced to carry the luggage from the ground again and carry it into the luggage compartment, and in the case of stormy weather such as strong wind, rainy weather, snowfall, etc., the luggage may be blown off or it may get wet, and the goods before delivery. Damage or dirty Will be adverse effects, such as would have beset, it has been a dropping only work efficiency minute to devote the effort for the care and extra work.

In order to deal with such a situation, the inventor of the present application has already been able to easily and easily operate in a box-shaped luggage compartment of a freight vehicle even if both hands of one delivery worker are blocked by luggage. 1996 patent application No. 306907 "Automatic door for box-shaped luggage compartment of freight vehicle" was developed and completed so that the door can be opened and closed quickly. This invention has already been developed. As a result of further development and research, and repeated trial and error and numerous trial and experiment, in order to further enhance the practical value of goods, finally a freight consisting of a new structure that has been improved further We have succeeded in completing and putting into practical use an automatic door for a box-shaped luggage compartment of a vehicle.
In the following, the configuration will be described in detail together with an embodiment representative of the present invention shown in the drawings.

[0006]

As clearly understood from the embodiments of the present invention shown in the drawings, the vehicle luggage compartment door of the present invention basically has the following construction. That is, at the edge of the loading / unloading port formed on the wall surface of the luggage compartment, a double door that can close approximately half of the loading / unloading door is provided. A slide door that can close half is slidably installed, and a slide drive mechanism with a relatively thin open / close drive motor is installed inside the thickness of the double door or inside the luggage compartment, while it is installed on the double door. A lock metal fitting is provided at the open / close end of the slide door, and the loading / unloading edge corresponding to the lock metal fitting is automatically locked in a closed state in conjunction with the closing of the lock metal fitting and can be unlocked by a predetermined operation. Is a luggage compartment door for a vehicle configured so as to incorporate the automatic lock mechanism.

If the vehicle luggage compartment door having this basic structure is shown as a more specific construction, approximately half of the loading / unloading port is provided at the edge of the loading / unloading port formed on the wall surface of the luggage compartment. A double door that can be closed is provided, and a slide door that can close the remaining approximately half of the loading / unloading port is slidably attached to the inside of the thickness of the double door or the inside of the luggage compartment. Alternatively, while a slide drive mechanism having a relatively thin opening / closing drive motor is installed on the side surface of the luggage compartment, the opening / closing end of the slide door mounted on the same-door opening door is different from the opening / closing operation system of the slide drive mechanism. A lock metal fitting is provided, and the loading / unloading edge portion corresponding to the lock metal fitting is automatically locked in a closed state in conjunction with the closing of the lock metal fitting, and unlocked by a predetermined operation. It can be said that can more said slide opening operation capable to way vehicle luggage compartment door automatic locking mechanism has summarized as incorporated comprising configurations of the drive mechanism.

If it is shown as a desirable construction, it can be opened and closed around a substantially vertical axis at one of the left and right edges of the loading / unloading port formed on the wall surface of the luggage compartment, and either of the loading / unloading ports can be opened and closed substantially. A double door that can close half of the door is provided, and a slide door that can close the other half of the loading / unloading port is horizontally slidably mounted in the thickness of the double door or the side surface of the luggage compartment. Open and close end of
Alternatively, a weather strip is provided on either one of the carry-in / out edge portions corresponding to the open / close end of the slide door, and a relatively thin open / close drive motor and the open / close operation provided inside the thickness of the double door or on the side surface of the luggage compartment. An open / close arm driven to draw an arc by a drive motor, and a slide drive mechanism composed of a vertical rail provided on the slide door so as to slidably connect the end of the open / close arm, while being mounted on a double door Locking metal fittings are provided at the opening and closing ends of the slide door, and the loading / exiting edge portion corresponding to the locking metal fittings is automatically locked so that the weather strip is compressed and hermetically linked with the closing of the locking metal fittings. And a vehicle incorporating an automatic lock mechanism that can be unlocked by a predetermined operation The Nishitsutobira.

Further, if the present invention is shown in a more desirable configuration, it can be opened and closed around a substantially vertical axis at one of the left and right edges of the loading / unloading port formed on the wall surface of the luggage compartment, and the loading / unloading port can be opened and closed. A double door that can close either half on the left or right is provided, and a slide door that can close the other half of the loading / unloading port is slidably mounted horizontally in the thickness of the double door or on the side surface of the luggage compartment. A weather strip is provided on at least one of the open / close end of the slide door or the carry-in / out edge portion corresponding to the open / close end of the slide door, and is relatively thin provided within the wall thickness of the double door or the side surface of the luggage compartment. Of the opening / closing driving motor, the opening / closing arm driven by the opening / closing driving motor so as to draw an arc, and a slide door for slidably connecting the tip of the opening / closing arm. While incorporating a slide drive mechanism consisting of a vertical rail that is mounted on the door, a lock metal fitting that is different from the opening / closing operation system of the slide drive mechanism is provided at the open / close end of the slide door attached to the double door. , The loading / unloading edge portion corresponding to the lock fitting is automatically locked so that the weather strip is compressed and sealed in conjunction with the closing of the lock fitting, and is unlocked by a predetermined operation to continue the above-mentioned operation. It can be said that this is a vehicle luggage compartment door in which an automatic lock mechanism that enables the opening operation of the slide drive mechanism is incorporated.

The wall surface of the cargo room is a side wall surface of the cargo room, which is closed in the shape of a box of a freight vehicle, and separates the inside and the outside of the cargo room to isolate the cargo from the external environment such as snow and rain. Along with that, the stored items are accidentally dropped while running or stopped, or to prevent theft, so-called items are stored and fulfill a function as an outer casing for carrying, In addition to having a structure in which the walls are firmly connected to each other and capable of sealing the inside, a heat exchanger can be installed to function as a refrigerator and a freezer. Objects and walls can be made foldable, and there must be a loading / unloading port for loading and unloading luggage at one or more appropriate places, and a structure that can be opened and closed by a double door and a sliding door. However, a weather strip made of synthetic rubber, natural rubber, or a soft synthetic resin outside the same was attached to the opening / closing end of the sliding door or the edge of the loading / unloading opening facing the opening / closing end of the sliding door. Should be.

The loading / unloading port has a function of opening a proper place on the wall surface of the luggage compartment to allow loading and unloading of the luggage into and from the luggage compartment, and an opening dimension at least for an operator carrying the luggage to enter and exit. It is desirable to have a structure that can be opened and closed by a double door and a sliding door, and it is desirable that it should be formed by opening almost the entire rear wall surface of the luggage compartment. Any one or both of them can be formed with an appropriate opening size.

The weather strip is elastically compressed by being sandwiched between the closed slide door opening / closing edge and the carry-in / outlet opening edge facing the slide door opening / closing edge, thereby filling the gap and sealing. It has the function of ensuring the condition, and it must be installed along the opening / closing edge of the slide door or the edge of the loading / unloading opening that faces the sliding door. It is desirable that the soft synthetic resin molded article of (1) is formed with a tubular hollow portion inside so as to ensure a higher compression rate.

The double doors have a function of rotating about half of the loading / unloading port about a vertical axis so that they can be opened and closed. The sliding doors are housed within the thickness dimension or along the side wall surface of the luggage compartment. The sliding door should be slidably mounted, and should be temporarily fixed to the loading / unloading side by a locking structure or the like provided on the outside in the closed state.

The sliding door is slidably moved from the open / close end side of the double door, and by opening and closing the approximately half of the entire loading / unloading port that is closed by the closed double door. In the closed state, together with the above-mentioned double door, the loading / unloading door is completely closed, and in a closed state.In the open state, half of the loading / unloading door is released regardless of whether the double door is opened or closed, and after being stored in the double door. Has the function of releasing the entire loading / unloading port when the double door is opened and closed.The flat shape is set within the thickness of the double door, and the inside of the box is hollow. A structure that can be slidably accommodated from the opening and closing end side opening of the double door that is formed in the above is provided so as to slide in an overlapping manner along the side surface of the luggage compartment of the double door. It is possible to things.

When the loading / unloading port is opened, the slide drive mechanism automatically slides the slide door so that the slide door can be housed in the double door, or overlaps in parallel with the luggage compartment side of the double door. , When the loading / unloading port is closed, the sliding door is automatically slid from the opening / closing end of the double door to send it out, and the opening / closing end of the sliding door comes into contact with the corresponding edge of the loading / unloading port. Up to the function of making it possible to move,
The drive source or drive mechanism itself should not be projected to the luggage compartment side as much as possible, but it should be mounted on the side wall surface of the luggage compartment door of the double door or slide door, or installed within the thickness dimension of the double door or slide door. It is desirable, and it is possible to use various drive mechanisms such as rack and pinion mechanism, chain, belt mechanism, etc. The opening / closing arm may be a movable rail, and a vertical rail provided on the slide door side and capable of connecting the swing arm may be used.

The automatic lock mechanism temporarily fixes the open / closed end of the closed slide door to the corresponding carrying-in / outlet edge in a closed state, and automatically fixes the open / closed end of the slide door when an opening operation is performed. A lock fitting having an engaging hook is provided at the open / close end of the slide door, and the loading / unloading edge portion corresponding to the lock fitting is interlocked with the closing of the lock fitting. The structure shall be such that it is automatically locked and can be unlocked by a predetermined operation.

Therefore, as adopted in the embodiments described later, the automatic lock mechanism is provided with an engaging hook at the tip of the sliding door locking member, and the carry-in / out edge portion corresponding to the engaging hook is provided with: An unlocking groove that can move up and down and can pass through the engaging hook in the horizontal direction in the middle, and an engaging hook that is closed above the unlocking groove by passing through the unlocking groove. A lock plate drive mechanism having a substantially rod-shaped lock plate having a lockable wall surface engageable with the lock plate, the lock plate drive mechanism having a drive motor capable of vertically driving the lock plate, and a member that has passed through the unlock groove in the closing direction. When a hook is detected and the lock plate is automatically moved up or down to move the lock wall up or down to correspond to the lock hook, and the lock plate moves to the upper limit or the lower limit. To the lock When the rate drive mechanism is automatically stopped and temporarily locked in the locked state, and when the lock release operation is received, the unlock groove is automatically lowered or moved up to the position corresponding to the engaging hook to automatically release the temporary fixed state. It is also possible to adopt a structure provided with a lock control device.

Further, in this automatic lock mechanism, an engaging hook is provided at the tip of the slide door / lock fitting, and the carry-in / out edge portion corresponding to the engaging hook is vertically movable and the engaging hook is provided at an intermediate portion. An unlock groove is formed which can pass through the hook in the horizontal direction, and is inclined toward the closing direction over a predetermined upper and lower range from the unlock groove on the side surface with which the closed engaging hook engages. A lock plate having a substantially rod-shaped lock plate having an inclined surface for pressing and a wall surface for locking that can lock the engaging hook continuously from this, and a lock plate having a drive motor capable of vertically driving the lock plate The engagement hook that has passed through the drive mechanism and the unlock groove in the closing direction is detected, and the lock plate is automatically moved up or down to move up or down, and the engagement hook is moved along the pressing inclined surface. Is pressed further in the closing direction When the lock plate moves to the upper limit or the lower limit, the lock plate drive mechanism is automatically stopped and temporarily locked in the locked state, and the lock release operation is performed. Alternatively, an automatic lock control device that automatically lowers or moves up the unlock groove to a position corresponding to the engaging hook to release the temporarily fixed state may be provided.

In addition, the automatic lock mechanism is interlocked with the operation of the parking brake and automatically locks when the parking brake is released.
Alternatively, if the automatic lock mechanism releases the parking brake in the unlocked state, it automatically generates a warning sound or incorporates an unlock warning display device that lights the warning light. It is also possible to do so.

The lock fitting engages the open / closed end of the closed slide door with the lock plate described below provided at the corresponding edge of the loading / unloading port, and prevents the opening operation of the slide door unless the lock plate is released. It must have sufficient strength so as not to be damaged by mischief, load of luggage, etc., and an engaging hook at a position where it can interfere with the lock plate at the corresponding loading / unloading edge. It must have a projecting structure, and it is desirable that the engaging hook be provided with rolling wheels, rollers, etc. for smooth contact with the lock plate.

The lock plate is incorporated in the carrying-in / out edge of the lock member so as to face the lock member, and engages and locks with the lock member when the slide door is closed. It also has the function of preventing the sliding door from separating from the edge of the loading / unloading port unless it is released, and it has sufficient strength to prevent accidental damage, like the locking metal fittings. In addition, the engaging hook of the lock fitting has an unlock groove through which it can pass in the horizontal direction and is vertically slidable, and it is above or below the unlock groove, or within a predetermined range of both above and below. It is necessary to form a locking wall surface with which the engaging hook engages in the horizontal direction, and an inclination from the unlock groove to the locking wall surface is provided between the unlock groove and the locking wall surface. Then In the process of sliding down to lock the locking hook, a slanting surface for pressing is formed so that the sliding door opening / closing end can be guided toward the corresponding loading / exiting edge so as to press it further into a sealed state. It is desirable that the

The lock plate drive mechanism automatically locks the closed state of the slide door when the slide door is closed, and automatically releases the locked state when a predetermined operation is performed. It functions to regulate and operate the plate, and immediately after the sliding door is closed, the lock plate is moved up or down to move the unlock groove from the position corresponding to the lock fitting engaging hook, When the locking hook is engaged with the engaging wall surface to bring it into a locked state, and when a predetermined operation is performed, the locking wall surface is moved from a position corresponding to the engaging hook, and the unlock groove is moved to the engaging hook. The structure must be such that they are driven to correspond.

The automatic lock control device detects this state when the slide door is closed, activates the drive motor of the lock plate drive mechanism to raise or lower the lock plate, and locks the lock plate. When the wall surface reaches the position corresponding to the lock fitting engaging hook, the drive motor is stopped and controlled to be temporarily fixed, and when the predetermined operation is received, the drive motor is locked. By controlling so as to reverse the time, the lock plate is moved down or up so that the lock fitting engaging hook is disengaged from the locking wall surface, and when the unlock groove reaches the position corresponding to the lock fitting engaging hook, It has a function of controlling the lock plate to stop automatically, and is provided with a sensor for detecting the amount of movement of the lock plate, a limit switch, etc. Forward rotation of the motor, it is possible to the outer which can be a structure for automatically stopping and reverse operation, using a microcomputer or a relay circuit or the like structure. Hereinafter, the structure of the present invention will be described in detail together with the representative embodiments of the present invention shown in the drawings.

[0024]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In the case shown in the perspective view near the loading / unloading port of a vehicle luggage compartment in FIG. 1, almost the entire rear wall surface of the truck luggage compartment is opened as a loading / unloading outlet, and the left half can be closed with a double door. FIG. 3 shows a typical embodiment of a vehicle luggage compartment door included in the present invention, which has a basic structure in which the remaining approximately right half is formed by a slide door.

The luggage compartment door for a vehicle is provided with a double door 3 and a sliding door 3 which can open and close a loading / unloading opening 11 in which a substantially entire rear end wall surface 1 of the luggage compartment is opened. The double door 2 is provided with a plurality of hinge structures 21, 21, 2 provided on the right side edge of the carry-in / out port 11.
1 is pivotally mounted to be openable / closable about a vertical axis, and is formed by combining an outer wall plate and an inner reinforcing frame as shown in a front view of the open / closed state of the slide door 3 in FIG. The sliding door 3 formed in a flat plate shape is slidably housed in the inner space of the double door 2 through the guide rails (not shown) provided above and below.

The upper part of the double door 2 on the luggage compartment side is
As shown in the front views of the slide drive mechanism in FIGS. 2 and 3, a thin open / close drive motor 41 that minimizes protrusion into the luggage compartment and an open / close arm 42 that is driven like a pendulum by the open / close drive motor 41 are provided. The tip of the opening / closing arm 42 is provided
A slide drive mechanism 4 is slidably connected to a vertical rail 43 fixed to the side wall surface of the luggage compartment of the slide door 3 to form a slide drive mechanism 4. It is assumed that the slide door 3 is controlled to open and close semi-automatically when an open / close operation switch (not shown) provided on the outer wall surface is operated. As shown in the perspective view of the vehicle luggage compartment door of FIG. 4, the outer wall surface of the double door 2 at the opening / closing end has a linear rod-shaped locking rod that extends vertically and is movable in a predetermined axial range. It has a lever and locks by operating the locking lever,
An unlockable locking device 22 is provided.

The opening / closing operation switch may be of a button type or a lever type that can be operated by an operator carrying a load with a hand, an elbow or the like, or is fixed to a lower portion of the carry-in / out port 11, or Incorporating a load detection sensor into the step installed with a mechanism that automatically feeds it out, allows the operator to step on the step, detect the load by temporarily placing the load and switch, or near the loading / unloading port. An optical sensor that uses infrared rays or laser light is installed, and a structure that detects the approach of the worker and a sensor that recognizes and recognizes the voice of the worker are provided, and it is configured to automatically drive when voice is input. It can also be used as a switch, and an operator carries a remote control device using a radio wave keyless entry system etc. and operates the switch by remote control. It can also be a granulation.

The sliding door 3 shown in the AA cross section in FIG. 4 has a locking metal fitting 51 having an engaging hook 52 projecting toward the opening edge side of the facing loading / unloading port 11 approximately at the center of the opening / closing end on the side surface of the luggage compartment. Is fixed by bolts penetrating in the thickness direction of the slide door 3 and a flat washer member, as shown in the sectional view of the mounting state of the lock fitting of FIG. The engaged hook 52 is formed by rotatably rotatably mounting a rolling roller 54 by an E ring 55 on a short shaft portion 53 that is vertical to the slide door 3. As shown in the sectional view of the portion A-A in FIG. 4 of FIGS. 6A and 6B, the opening edge of the loading / unloading port 11 corresponding to
A lock plate drive mechanism 7 and a lock plate 6 which are automatically controlled by an automatic lock control device 8 are provided.

The lock plate 6 is shown in a front view of the automatic lock mechanism of FIG. 7A, a side view of the automatic lock mechanism of FIG. 7B, and a sectional view of a main part of the automatic lock mechanism of FIG. 7C. As shown in FIG. 8A, the block type rod-shaped lock plate 6 is attached to the opening edge of the loading / unloading port 11 corresponding to the lock fitting 51 via the mounting bracket 64 so as to be able to move up and down. Front view of the lock plate of FIG.
As shown in the side view of the lock plate of FIG. 8B and the sectional view of the main part of the lock plate of FIG. 8C, the lock metal fitting 51 is provided at the middle of the lock plate 6 when the slide door 3 is closed. The engaging hook 52 has a recessed type unlock groove 61 that can pass in the horizontal direction, and the lock plate 6 is moved upwardly below the unlock groove 61 so that the engagement hook 52 passes through the unlock groove 61. A pressing inclined surface 62 is formed so as to be forcibly guided and moved so as to press the hook 52 against the opening edge portion of the carry-in / out port 11, and the engaging hook 52 can be locked further below the inclined surface 62. The wall surface 62 for use is formed.

Further, an upper limit projection 65 for the limit sensor is formed at a position adjacent to the upper side of the unlock groove 61, and the lock plate is displaced so as not to vertically overlap with the upper limit projection 65 for the limit sensor. 6 is provided with a lower limit protrusion 66 for the limit sensor, and the mounting bracket 6 is provided at each corresponding position between the upper limit protrusion 65 for the limit sensor and the lower limit protrusion 66 for the limit sensor.
4, the vertical movement limit sensors 68, 68 fixed to the lock plate 6 are arranged, while the locking wall surface 62 of the lock plate 6 is arranged.
A belt-like tooth profile 67 is engraved over a predetermined range in the vertical direction on the side wall surface orthogonal to the above, and the engaging hook 52 does not interfere with it. The tooth profile 67 is fixed to a mounting bracket 64. The gear 72 mounted on the drive motor 71 meshes with each other to form the lock plate drive mechanism 7 including a rack and pinion mechanism.

Opening / closing drive motor 4 of slide drive mechanism 4
As shown in FIG. 2 (a), when the slide door 3 is in a closed state, 1 is an opening and closing (not shown) provided at an appropriate place outside the luggage compartment wall 1 around the loading / unloading port 11 or the double door 2 or the slide door 3. By operating the switch, the opening / closing arm 42 and the slide door 3 are rotationally activated in a direction to be opened, and are automatically stopped when the slide door 3 is fully opened.
As shown in (b), when the slide door 3 is in the open state, by operating the open / close switch, the slide door 3 is rotated in the direction to be closed and automatically activated when it is fully closed. It has a structure that is controlled so that it can be stopped by operating the open / close switch during the opening / closing operation as needed, or if you accidentally pinch a baggage, an operator, etc. It is also possible to adopt a structure in which a sensor for detecting the state is provided to control so as to automatically stop or automatically open.

At the opening edge of the loading / unloading port 11 into which the engaging hook 52 of the lock fitting 51 enters when it is closed, with respect to the mounting bracket 64, the engaging hook 52 of the engaging hook 52 is supported by two supporting bolts. A closing detection slider 81 is provided which is elastically urged in a direction in which the engaging hook 52 is retracted by a coil spring mounted on the outside and supported so as to be movable back and forth in the approach direction. A closing detection limit sensor 82 that can detect the contact of the outer wall surface of the closing detection slider 81 that has been moved by the entrance of the hook 52 is provided.

As shown in FIG. 1, U-shaped groove-shaped guide rails 12 and 1 capable of ensuring a hermetically closed state at the horizontal opening edge in the range where the slide door 3 of the loading / unloading port 11 moves, as shown in FIG.
2 are formed and laid on the upper and lower sides, respectively, and a vertical opening edge portion with which the open / close end of the slide door 3 abuts has a hollow rubber as shown in FIGS. It is assumed that the weather strip 13 having a high elasticity is additionally provided.

The automatic lock control device 8 has a control circuit (not shown), in which the slide door 3 is closed and the engaging hook 52 of the lock fitting 51 causes the closing detection slider 81 to move as shown in FIG. 7 (a). Then, the closing detection limit sensor 82 detects the closed state of the slide door 3, and the control circuit that receives the detection signal automatically activates the drive motor 71 to rotate in the ascending direction of the lock plate 6, Upper limit protrusion 6 for limit sensor that rises together with lock plate 6
When 5 contacts the vertical movement limit sensor 68, the control circuit receiving this detection signal stops the rotation of the drive motor 71 and locks it in the temporarily fixed state.

When an open / close switch (not shown) is operated in the closed state of the slide door 3, the drive motor 71 is rotationally activated in the downward direction of the lock plate 6,
When the lower limit protrusion 66 for the limit sensor that descends together with the lock plate 6 contacts the vertical movement limit sensor 68,
Upon receipt of this detection signal, the control circuit automatically stops the rotation of the drive motor 71 so that the vertical position of the unlock groove 61 coincides with the engaging hook 52 of the lock fitting 51, and the slide door 3 can be opened. The lock plate 6 is controlled to be temporarily fixed in this state.

Further, the automatic lock control device 8 is interlocked with a sensor provided on a parking brake (not shown) in the driver's cab, and when the parking brake is released, the lock plate 6 is automatically raised to operate the open / close switch. The sliding door is locked so that it cannot be opened and closed, and when the parking brake is applied, it is automatically controlled so that the opening / closing switch can be used to lock / unlock and open / close the sliding door. In addition, if necessary, an input panel may be provided in an appropriate place in the driver's cab or the luggage compartment, and when the parking brake is applied from the input panel, the lock plate 6 can be automatically lowered to unlock the slide door 3. In addition to the structure, the sensors such as the upper limit projection 65 for the limit sensor and the limit sensor 82 for closing detection do not detect the closing of the slide door 3,
When the driver tries to release the parking brake, it is possible to have a structure in which a warning light provided in a proper place in the driver's compartment is automatically blinked and a warning sound is generated at the same time.

[0037]

When the vehicle is stopped and the parking brake is applied, the automatic lock control device 8 recognizes the parking state through the sensor of the parking brake and locks the vehicle. By controlling the plate drive mechanism 7 to an operable state and operating an opening / closing switch (not shown) provided in a proper position without operating the locking device 22 of the double door 2, the drive motor 71 of the lock plate drive mechanism 7 is operated. When automatically activated, the locking wall 62 is made to correspond to the engaging hook 52, the lock plate 6 in the locked state is lowered, and the unlock groove 61 is made to correspond to the engaging hook 52. The lower limit protrusion 66 touches the vertical movement limit sensor 68, and the automatic lock control device 8 that detects this detection signal stops the drive motor 71 and causes the slide motor to move. A state in which the lock of the door 3 has been released.

Following this, the slide drive mechanism 4 which is simultaneously operated by the open / close switch starts the open / close drive motor 41 to swing the open / close arm 42 in FIG. 3 in the opening direction,
The slide door 3 connected to the pivot end of the opening / closing arm 42 through the vertical rail 43 automatically slides from the closed state of FIG. 2 (a) to the open state of FIG. 2 (b). As a result, the right half of the carry-in / out port 11 is opened. The slide door 3 opened in this way is accommodated in the double door 2. Further, when the locking device 22 is unlocked, the double door 2 that has closed the remaining left half can be rotated around the hinge structures 21, 21, 21 to open the entire loading / unloading port 11. .

When the double door 2 is closed after the work of loading and unloading luggage is closed, and the open / close switch is operated again after locking by the locking device 22, the open / close drive motor 41 of the slide drive mechanism 4 swings the open / close arm 42. As shown in FIG. 6 (a), the open / close end of the slide door 3 that is driven and automatically slid along the guide rails 12 and 12 in the closing direction is attached to the weather strip at the edge of the facing loading / unloading port 11. 1
3 When the tip comes close to the extent of touching, the engaging hook 52 at the tip of the lock fitting 51 of the automatic lock mechanism 5 horizontally passes through and enters the unlock groove 61 of the lock plate 6 as shown in FIG. The engagement hook 52 pushes the closing detection slider 81 against the urging force of the coil spring, and the closing detection limit sensor 82 detects the closed state.

Automatic lock control device 8 which detects the closed state
Causes the drive motor 71 of the lock plate drive mechanism 7 to be rotationally driven in the opposite direction to that when the lock plate drive mechanism 7 is opened, and the lock plate 6 is automatically moved up through the gear 72 and the tooth profile 67. 52 The rolling roller 54 axially attached to the short shaft portion 53 rolls along the pressing inclined surface 63 of the lock plate 6, and as shown in FIG.
Until the open / close end of the slide door 3 is forced to compress the weather strip 13 to form a closed state, it is pulled toward the opening edge of the carry-in / out port 11, and the rolling roller 54
However, as shown in FIG. 7, the upper limit projection 65 for limit sensor reaches the vertical movement limit sensor 68 almost at the same time when it reaches the locking wall surface 62 continuous with the pressing inclined surface 63, and this is detected automatically. The lock control device 8 uses the drive motor 7
1 is stopped, the lock plate 6 is temporarily fixed, and further,
The closing operation of the slide drive mechanism 4 is stopped. In this way, when the automatic lock mechanism 5 locks the slide door 3, when the driver enters the driver's cab and releases the parking brake, no warning light or warning sound is generated and the vehicle is normally started as it is. Is possible.

However, the driver inadvertently moved the sliding door 3
When you get into the driver's cab to close the car and release the parking brake, the automatic lock control device 8 of the automatic lock mechanism 5 that receives the signal from the sensor provided in the parking brake is used for the limit sensor of the vertical movement limit sensor 68. By automatically recognizing the state in which the lower limit protrusion 66 is detected and the state in which there is no detection signal from the closing detection limit sensor 82, a warning light provided at an appropriate place in the driver's cab blinks and a warning sound is emitted. It will be.

[0042]

[Effect] As described above, according to the vehicle luggage compartment door of the present invention, in the recent freight transportation work of trucks and the like in which the delivery work method by one worker is generalized, It surely eliminates the complexity of work such as loading and unloading work of luggage only after opening and closing the door like this, without holding the luggage on the ground by the driver and worker even once, holding the luggage As you go up the steps while keeping it, you can switch the switch with a part of your body such as your hand or elbow, or you can automatically open and close the door by the operation of the sensor. After fully opening, loading and unloading work can be performed efficiently, which frees the operator from the troublesome opening and closing work of the door, greatly reducing the burden on the worker and greatly improving the delivery work efficiency. Becomes capable of exhibiting a very soo features that Rukoto becomes possible.

Moreover, the vehicle luggage compartment door of the present invention can be realized by using the existing luggage compartment structure as it is, with only the combination door portion incorporated in the luggage compartment entrance and exit mainly as the device portion. It has a practical feature that it can be used as a luggage compartment door for any vehicle regardless of whether it is a new car, a used car, or a used vehicle with the conventional structure with a luggage room, and in some cases, existing doors. One of the parts can be used as it is, and a door storage space can be formed on the back side of the door. It is widely adopted because it is extremely easy to manufacture and economical, and improves work efficiency related to truck transportation and work safety. It also has the effect of being extremely effective in achieving

Further, in the vehicle luggage compartment door of the present invention, the entire slide drive mechanism including the opening / closing drive motor for driving the slide door is made thin so that the protrusion to the luggage compartment side is eliminated and the luggage can be efficiently loaded. In addition to being able to install
It is possible to reliably prevent the slide drive mechanism from being injured or damaged due to contact with the luggage, and it is said that an automatic lock mechanism is installed at the open / close end of the slide door, while driving or parking. It can be expected to have a great effect that the doors of will be surely secured.

Particularly, in the structure having the sliding door 3 housed in the double door 2 shown in the embodiment, the sliding door 3 may be slid to be stored in the double door 2 very smoothly and quickly. It will be possible to reduce the opening radius when opening, and it will be very convenient to open and close the door in densely populated residential areas, on roads where there are many parked vehicles and heavy traffic jams, or in narrow underground parking lots. Stabilize the management base of the truck transportation business, with the added benefit of expanding the service range of material transportation by vehicle and reducing the labor amount of workers at all of these locations. It will also be very useful to let you do.

Further, a pressing inclined surface 63 is formed in a range where it moves from the unlock groove 61 of the lock plate 6 to the locking wall surface 62, and the pressing plate 63 is placed in the closed position as the lock plate drive mechanism 7 locks. Since the function of further pressing the certain lock fitting 51 in the closing direction is surely achieved, and the closed state in which the open / close end of the slide door 3 strongly compresses the weather strip 13 provided at the edge of the carry-in / out port 11 is realized, In combination with the guide rails 12 and 12 provided at the upper and lower edges of the loading / unloading port 11 corresponding to the upper and lower ends of the closed slide door 3, it is possible to reliably prevent the entry of wind, rain and snow into the luggage compartment. It has a structure, especially heat insulation for refrigerated cars and refrigerated cars,
It is extremely useful as a door for a freight vehicle where heat retention is important, and is advantageous not only as a door, but also for ensuring the structure and function of the luggage compartment.

Further, the automatic lock control device 8 of the automatic lock mechanism 5 is interlocked with the operation of the parking brake, and when the parking brake is released, the automatic lock mechanism 5 automatically locks the closed state of the slide door. Control, or when the parking brake is released without locking the slide door, the warning light in the driver's seat blinks, and when used together with a structure that emits a warning sound, the slide door 3 is not completely closed. In this state, it is possible to prevent the unexpected accident such as accidentally starting the vehicle and dropping the load on the road.

As described above, the vehicle luggage compartment door of the present invention is
The new structure ensures that the intended purpose can be achieved, the structure is relatively simple and the manufacturing is easy, and it is possible to provide it as a low-cost product to the market. Since it will be possible, it will be necessary to park on a densely populated residential area like Japan or on roads with unconditional conditions such as high-traffic main roads, etc. The trucking industry is firmly committed to the optimal luggage compartment door structure for trucks and other vehicles that are entrusted with the safe and prompt transportation of goods in a special environment where It is highly evaluated, and it is expected that it will be widely spread and expanded over a wide range.

[Brief description of drawings]

The drawings show a typical embodiment embodying the technical idea of the vehicle luggage compartment door of the present invention.

FIG. 1 is a perspective view showing an opened state of a vehicle luggage compartment door.

FIG. 2 is a front view showing the opening / closing operation of the slide door as viewed from the luggage compartment.

FIG. 3 is a front view showing the structure of a slide drive mechanism.

FIG. 4 is a perspective view showing a closed state of a vehicle luggage compartment door.

FIG. 5 is a cross-sectional view showing an attachment structure of a lock fitting.

FIG. 6 is a cross-sectional view showing the operating states of the automatic lock mechanism in (a) and (b).

FIG. 7 is a front view (a), a side view (b) and a bottom view (c) showing an automatic lock mechanism.

FIG. 8 is a front view (a), a side view (b), and a sectional view (c) of an essential part showing a lock plate.

[Explanation of symbols]

1 luggage compartment wall 11 Same loading and unloading exit 12 Same guide rail 13 Same weather strip 2 double door 21 Same hinge structure 22 Locking device 3 sliding doors 4 Slide drive mechanism 41 Opening / closing drive motor 42 same opening and closing arm 43 Same vertical rail 5 Automatic locking mechanism 51 Same lock fitting 52 Same engaging hook 53 Same minor axis 54 Rolling roller 55 same E ring 6 Lock plate 61 Same unlock groove 62 Wall for locking 63 Sloping surface for pressing 64 Mounting bracket 65 Same upper limit protrusion for limit sensor 66 Lower limit protrusion for the same limit sensor 67 tooth profile 68 Same vertical movement limit sensor 7 Lock plate drive mechanism 71 Drive motor 72 Same gear 8 Automatic lock control device 81 The same slider for closing detection 82 Same limit sensor for closing detection

Claims (8)

[Claims] 1. A double door that can close approximately half of the loading / unloading port is provided at the edge of the loading / unloading port formed on the wall surface of the loading chamber.
While slidingly installing a slide door that can close the other half of the loading / unloading port, while incorporating a slide drive mechanism having a relatively thin opening / closing drive motor on the inside of the thickness of the double door or the side of the luggage compartment, A lock metal fitting is provided at the open / close end of the slide door attached to the double door, and the loading / unloading edge portion corresponding to the lock metal fitting is automatically locked in a closed state in conjunction with the closing of the lock metal fitting and has a predetermined length. A luggage compartment door for a vehicle, characterized in that an automatic lock mechanism that can be unlocked by an operation is incorporated. 2. A double door that can close approximately half of the loading / unloading port is provided at the edge of the loading / unloading port formed on the wall surface of the loading chamber, and the double door is provided in the thickness of the double door or on the side surface of the loading chamber.
While slidingly installing a slide door that can close the other half of the loading / unloading port, while incorporating a slide drive mechanism having a relatively thin opening / closing drive motor on the inside of the thickness of the double door or the side of the luggage compartment, A lock metal fitting, which is different from the opening / closing operation system of the slide drive mechanism, is provided at the open / close end of the slide door attached to the double door, and the carry-in / out edge portion corresponding to the lock metal is provided with the same lock metal fitting. An automatic lock mechanism that is automatically locked in a closed state in conjunction with the closing of the lock fitting and that is unlocked by a predetermined operation to subsequently enable the opening operation of the slide drive mechanism is incorporated. A luggage compartment door for a vehicle characterized by the above. 3. A double door that can be opened and closed around a substantially vertical axis at one of the left and right edges of the loading / unloading port formed on the wall surface of the luggage compartment and can close approximately half of the left / right of the loading / unloading port. A slide door capable of closing the remaining approximately half of the loading / unloading port is slidably mounted horizontally in the wall thickness of the double door or inside the luggage compartment, and at least the open / close end of the slide door or the slide door A weather strip is provided on either one of the carry-in / out edge portions corresponding to the open / close end, and a relatively thin open / close drive motor and the open / close drive motor are provided in the wall thickness of the double door or on the side surface of the luggage compartment. A slide drive mechanism including an open / close arm driven to draw an arc and a vertical rail provided on a slide door to slidably connect the end of the open / close arm. On the other hand, a lock metal fitting is provided at the open / close end of the slide door attached to the double door, and the weather strip is compressed at the loading / unloading edge corresponding to the lock metal fitting in conjunction with the closing of the lock metal fitting. A luggage compartment door for a vehicle, characterized in that it is automatically locked so as to be hermetically sealed and has an automatic lock mechanism incorporated therein which can be unlocked by a predetermined operation. 4. A double door that can be opened and closed around a substantially vertical axis at one of the left and right edges of the loading / unloading port formed on the wall surface of the luggage compartment and can close approximately half of the loading / unloading port on the left or right. A slide door capable of closing the remaining approximately half of the loading / unloading port is slidably mounted horizontally in the wall thickness of the double door or inside the luggage compartment, and at least the open / close end of the slide door or the slide door A weather strip is provided on either one of the carry-in / out edge portions corresponding to the open / close end, and a relatively thin open / close drive motor and the open / close drive motor are provided in the wall thickness of the double door or on the side surface of the luggage compartment. A slide drive mechanism including an open / close arm driven to draw an arc and a vertical rail provided on a slide door to slidably connect the end of the open / close arm. On the other hand, a lock metal fitting different from the opening / closing operation system of the slide drive mechanism is provided at the open / close end of the slide door attached to the double door, and the carry-in / out edge portion corresponding to the lock metal fitting is provided. In conjunction with the closing of the lock fitting, the weather strip is automatically locked so as to be compressed and hermetically closed, and is unlocked by a predetermined operation so that the slide drive mechanism can be continuously opened. A luggage compartment door for a vehicle, characterized in that the automatic lock mechanism described above is incorporated. 5. An automatic lock mechanism is provided with an engaging hook at a tip of a slide door / lock fitting, and a carry-in / out edge portion corresponding to the engaging hook is vertically movable and engages at a midway portion thereof. An unlock groove that can pass through the hook in the horizontal direction, and a locking wall surface that can engage the engaging hook that has been closed through the unlock groove are formed above or below the unlock groove. A lock plate drive mechanism having a substantially rod-shaped lock plate and having a drive motor capable of vertically driving the lock plate, and detecting the engagement hook that has passed through the unlock groove in the closing direction, moves the lock plate up or down. The lock wall driving mechanism is automatically stopped when the lock wall moves to the upper limit or the lower limit while the lock wall is made to correspond to the lock hook by automatically raising or lowering the lock plate. Temporarily locked Set and receive the unlock operation,
5. The vehicle according to claim 1, further comprising an automatic lock control device for automatically lowering or moving the unlock groove to a position corresponding to the engaging hook to release the temporarily fixed state. Luggage compartment door. 6. An automatic lock mechanism is provided with an engaging hook at a tip of a slide door / lock fitting, and a carry-in / out port edge portion corresponding to the engaging hook is vertically movable and engages at an intermediate portion thereof. An unlock groove that allows the hook to pass horizontally is formed, and it is inclined toward the closing direction over a predetermined upper and lower range from the unlock groove on the side surface with which the closed engaging hook engages. A lock plate drive having a substantially rod-shaped lock plate having a pressing inclined surface and a locking wall surface capable of locking the engaging hooks continuously from the inclined surface and having a drive motor capable of vertically driving the lock plate The mechanism and the engaging hook that has passed through the unlock groove in the closing direction are detected, and the lock plate is automatically moved up or down to move up or down, and the engaging hook is moved along the pressing inclined surface. Continue pressing after pressing in the closing direction While engaging with the locking wall,
When the lock plate moves to the upper limit or the lower limit, the lock plate drive mechanism is automatically stopped and temporarily locked in the locked state, and when the lock release operation is received, the unlock groove is automatically moved to the position corresponding to the engaging hook. The vehicle luggage compartment door according to any one of claims 1 to 4, further comprising an automatic lock control device that moves downward or upward to release the temporarily fixed state. 7. The luggage compartment for a vehicle according to claim 4, wherein the automatic lock mechanism is interlocked with the operation of the parking brake, and automatically operates the lock operation in response to the opening operation of the parking brake. door. 8. An unlocking alarm display device for automatically generating a warning sound or lighting a warning light when the parking lock is released while the automatic lock mechanism is unlocked. The luggage compartment door for a vehicle according to claim 1 or 2.