JP3473743B2 - Roll-up type collapse prevention device for vehicles - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [0001] BACKGROUND OF THE INVENTION 1. Field of the Invention
Anti-collapse device, especially when the load from the take-up device
A lock mechanism is provided to stop pulling out the collapse prevention sheet
About things. [0002] 2. Description of the Related Art Conventionally, hatchback type, van type,
For vehicles such as gon-type vehicles, a cargo collapse prevention net
It may be deployed to separate the luggage compartment and the passenger side, or
Is deployed to cover the luggage in the luggage compartment,
Even if the luggage loaded in the luggage compartment falls forward,
Luggage is received by the collapse prevention net, and the luggage in the luggage compartment collapses.
Luggage may be damaged, or luggage may fall down
Practical use of load collapse prevention device to prevent dripping
Have been. Conventionally, load collapse prevention devices have
Even if a large load acts on the safety net,
To ensure safe and secure prevention, the collapse prevention net is
It is stretched so as not to loosen. For example, Japanese Unexamined Patent Publication No. Hei.
In the anti-shear device, fix both ends to the side walls of the vehicle
A winding device mounted on the rear side of the seat back, and a winding device
Tonneau cover to be wound on
It has a load-prevention net that is
Then pull out the tonneau cover to the rear,
The tonneau cover device locks the front end to the rear of the luggage compartment
It can also be used as a
Only to the upper part, and attach the tip of the
Locks to the ceiling side and locks the base end of the winding device
To prevent the collapse prevention net from being pulled out from the winding device.
Set it in a taut state so that the luggage in the luggage
It is designed to prevent the cargo from falling to the passenger seat side.
You. On the other hand, JP-A-5-44381 discloses that
Has a rotatable winding shaft that is urged to rotate in the winding direction
Winding device and load collapse prevention net wound by the winding device
And that the collapse prevention net is suddenly pulled upward.
Lock machine that stops drawing out of the collapse prevention net
A load collapse prevention device having a structure is described. The lock
The winding mechanism has a roller member having substantially the same length as the winding shaft.
The load collapsing prevention net extending from the shaft is hung around the roller member.
Is guided upward, and the collapse prevention net suddenly moves upward.
When a large load is applied to the roller member
Then, stop the rotation of the roller member,
Pulling out of the collapse prevention net by friction with the prevention net
A net that prevents cargo from collapsing and keeps it taut
Prevents luggage in the luggage compartment from collapsing toward the passenger seat.
It is configured so that: With respect to the lock mechanism, both ends of the roller member
The end is vertically elongated in the casing of the winding device
Is slidably fitted into the bearing hole and is rotatably supported.
Large load is applied to the roller member,
When the material rose slightly, it was formed at the end of the roller member.
The engaged portion engages with the engaging portion formed at the upper end of the bearing hole.
Thus, the rotation of the roller member is stopped. [0006] However, the Japanese Patent Publication No. 6-2
In the unloading prevention device disclosed in Japanese Patent No. 454, the winding device
Both ends are fixed to both sides of the vehicle body and attached to the back of the seat back
Load space in the luggage compartment
And reclining the seat back
Can not. Here, we make the most of the luggage space
When the take-up device is directly fixed to the seat back
If both ends of the cargo collapse prevention net are wound with the roof side of the vehicle
Locked to the device respectively, the collapse prevention net from the winding device
In this case, the seat bar is set so that it cannot be pulled out.
Cannot recline. Moreover,
Load the cargo so that the collapse prevention net is tight.
Engage both ends of the collapse prevention net with the vehicle ceiling and the winding device
Must be locked to each other.
It is very difficult to set a slot. On the other hand, Japanese Unexamined Patent Publication No.
In the anti-shear device, the lock mechanism operates to rotate the roller member.
Stops rolling and friction between the roller member and the load collapse prevention net
Force to prevent pulling out of the collapse prevention net
Large load on the collapse prevention net
When it acts, the load collapse prevention net is
The slip and load collapse prevention net is pulled out, and the load collapse prevention function
May decrease. Moreover, in the lock mechanism,
Slide the end of the roller member into the bearing hole in the casing of the winding device.
It ’s a structure that fits freely, supports rotation, and locks.
The end of the roller member and the bearing hole are liable to wear,
It becomes very difficult to secure the durability. Also, winding
Because of the provision of a roller member for the lock mechanism in the take-up device,
There is also a problem that the device becomes large. SUMMARY OF THE INVENTION It is an object of the present invention to provide a load collapse prevention device.
To prevent luggage in the luggage compartment from collapsing toward the passenger seat
To enable reclining of the seat back
And make it easy to set the collapse prevention net.
And ensuring the long-term durability of the lock mechanism,
And reducing the size of the winding device. [0009] A rewind type for a vehicle according to claim 1.
The load-carrying prevention device is designed to reduce the load in the vehicle luggage compartment.
Winding method in the load collapse prevention device to prevent
Rotatable winding shaft that is urged to rotate in the
With a casing holder that rotatably supportsLiquor
Attachable to the seat back or body ceiling where inning is possible
WasA take-up device, a base end of which is fixed to the take-up shaft;
Attached so that it can be wound around the spindleThe tip is the car body ceiling, etc.
Or attached to the seat backLoad collapse prevention sheet
And the unloading prevention sheet provided at one end of the winding device
To stop the rotation of the take-up shaft
Lock mechanismAnd integrally with the casing holder
Formed internal teeth and lock fixed to one end of winding shaft
At a position eccentric from the arm base and the axis of the winding shaft
With the internal teeth rotatably pivoted to the lock arm base.
A lock arm having a lockable claw,
Rotate the lock arm with respect to the
The sensor spring that urges and the
Inertia force in the direction in which the claw engages the internal teeth during sudden withdrawal
With an inertial mass that acts on the lock arm.
MechanismIt is provided with. [0010] Attached to the seat back or the vehicle body ceiling side, etc.
Pull out the collapse prevention sheet from the retracted winding device to prevent collapse
The front end of the stop seat to the vehicle ceiling or the seat back of the seat.
To prevent the cargo collapse prevention sheet from being
And the passenger seat side. Load collapse prevention
With the seat set, the luggage compartment will be
Luggage loaded into
The load is applied to the
When it begins to withdraw rapidly,Provided at one end of the winding device
WasLock mechanism detects sudden pull-out of load collapse prevention sheet
To stop the rotation of the take-up shaft.
Is no longer pulled out of the take-up device.
Luggage in the luggage compartment collapses toward the passenger seat due to the collapse prevention sheet
Can be prevented. That is, the roll-up type load collapse prevention device for a vehicle is provided.
In this case, the sudden withdrawal of the collapse prevention sheet is detected.
A lock mechanism that stops the rotation of the take-up shaftOne end of the winding device
PartProvided, the collapse prevention sheet was suddenly pulled out and started
Immediately after unloading, the collapse prevention sheet is pulled out of the winding device.
To prevent the luggage in the luggage compartment from collapsing.
It can be prevented reliably. In addition, the collapse prevention sheet
The lock mechanism operates for drawers other than sudden withdrawals.
Normally, you can freely pull out the collapse prevention sheet
It can be carried out. A take-up device mounted on a pair of seat backs
Pull out a pair of collapsing prevention sheets from
A pair of load collapse prevention sheets
Is set so as to separate the luggage compartment and the passenger seat side. One pair
With the collapse prevention sheet set, use for sudden braking, etc.
The luggage loaded in the luggage compartment falls forward and collapses
The load of the luggage acts on the sheet to prevent
When the collapse prevention sheet suddenly starts to be pulled out of the
The lock mechanism detects sudden withdrawal of the collapse prevention sheet.
To stop the rotation of the take-up shaft.
A load that is no longer pulled out of the take-up device and is tight
Luggage in the luggage compartment collapses toward the passenger seat due to the collapse prevention sheet
Can be prevented. That is, the roll-up type load collapse prevention device for a vehicle is provided.
In this case, the sudden withdrawal of the collapse prevention sheet is detected.
A lock mechanism is provided to stop the rotation of the take-up shaft.
Immediately after the anti-collapse sheet has begun to be pulled out suddenly, take up
Prevents the collapse prevention sheet from being pulled out of the device
And ensure that luggage in the luggage compartment is prevented from collapsing.
become. In addition, other than sudden withdrawal of the collapse prevention sheet
The lock mechanism does not operate when the
The collapse prevention sheet can be freely drawn. [0015] BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of the present invention will be described.
This will be described with reference to the drawings. In this embodiment, the hatch
In vehicles such as rack-type, van-type, and wagon-type
Collapse to prevent luggage loaded in the luggage compartment from collapsing
This is an example in which the present invention is applied to a prevention device. As shown in FIG. 1 and FIG.
And a roll-up type load collapse prevention device for vehicles (hereinafter referred to as load collapse prevention
Devices), seat cushions
3 and a seat back 4, each having a 1: 1 split vehicle
Is equipped with a pair of split seats 2 adjacent in the vehicle width direction.
Each pair of seat backs 4 can be reclined
And the back of the pair of seat backs 4 can be loaded with luggage.
It is room 7. As shown in Figs.
The stopping device 1 is attached to each of the pair of seat backs 4.
Wound by a pair of winding devices 10 and a pair of winding devices 10
And a pair of load collapse prevention sheets 15 and 15
A stay 20 fixedly provided at the distal end of the seat 15;
A pair of winding devices 10 are provided at right end portions thereof, respectively.
It is composed of a lock mechanism 30 and the like. In each winding device 10, the slit 11a has a vehicle width.
The cylindrical member 11 formed in the direction, the left and right of the cylindrical member 11
A pair of casing holders 12, 1 fixed at both ends
3 and a pair of casing holders in the tubular member 11.
-12 and 13 rotatably supported by a torsion spring (see FIG.
(Not shown) and has a winding shaft 14 urged to rotate in the winding direction.
And fix the base end of the collapse prevention sheet 15 to the winding shaft 14.
And always urge the collapse prevention sheet 15 toward the winding side.
Is configured. Although not shown, a pair of winding
The device 10 is attached to a rear portion of the seat back 4 via a mounting bracket or the like.
It is fixed with screws. As shown in FIG. 3, it can be wound on a winding shaft 14.
A pair of unloading prevention sheets 15 attached to Noh
And a pair of unloading prevention sheets 15
The ends are integrally held by stays 20. S
The stay 20 is attached to the front end of the pair of collapse prevention sheets 15.
A pair of cylindrical mounting portions 21 each mounted, and a pair of mounting
A shaft portion 22 fitted and fixed in the portion 21;
22, a pair of locking portions on the vehicle body ceiling side (shown in FIG.
A pair of hooks 22a are formed so as to be detachably engaged with each other.
Have been. The lock mechanism 30 is provided with the load-preventing sheet 15
And stops the rotation of the take-up shaft 14
The internal teeth 31 are formed as shown in FIGS.
Fixed to one end of the casing holder 13 and the take-up shaft 14
The fixed lock arm base 32 and the axis of the take-up shaft 14
Pin of the lock arm base 32 at an eccentric position
32a is rotatably supported by the casing holder 13
Lock arm 3 having claw portion 34 engageable with internal teeth 31
3. Lock arm 33 with respect to lock arm base 32
Sensor that urges the shaft in a direction that does not engage the internal teeth 31
It is composed of a pulling 35 and the like. The lock arm 3
Reference numeral 3 denotes a metal member having a predetermined mass, and
When the sheet 15 is suddenly pulled out, the claw portion 34 engages with the internal teeth 31.
Inertia force acting on the lock arm 33
It contains an active mass. That is, as shown in FIG.
When pulling out the prevention sheet 15, lock the take-up shaft 14
The arm base 32 and the lock arm 33 are the axes of the winding shaft 14.
It rotates integrally with the heart in the direction of the arrow. Load collapse prevention
The sheet 15 starts to be pulled out suddenly, and together with the winding shaft 14
When the lock arm base 32 rotates rapidly, the lock
The rotation delay of the beam 33 occurs. That is, the claw portion 34 is
1 acts on the lock arm 33.
You. Then, the lock arm 33 becomes the sensor spring 3
5 in the direction of the arrow around the pin 32a against
As shown in FIG. 5, the claw portion 34 is
The rotation of the winding shaft 14 is stopped by engaging with the internal teeth 31 and the load collapses.
The draw-out prevention sheet 15 is prevented from being pulled out. In this state
Then, the winding shaft 14 is rotated in the winding direction (the direction of the arrow in FIG. 5).
Then, as shown in FIG. 6, the claw portion 34 and the internal teeth 31
The engagement was released, and the sensor spring 35 was urged.
The lock arm 33 rotates to return to the normal position in FIG. The operation of the load collapse prevention device 1 will be described.
You. Winding device 10 attached to a pair of seatbacks 4
Pull out a pair of collapse prevention sheets 15 from the
When the hook 22a of the stay 20 is locked to the locking portion on the side,
As shown in FIG. 1, a pair of unloading prevention sheets 15
7 is set so as to partition the passenger seat side. A pair of unloading
With the protection sheet 15 set,
The luggage loaded in the luggage compartment 7 falls forward and collapses
A load acts on the sheet 15 to prevent it
The cargo collapse prevention sheet 15 starts to be suddenly pulled out from 10.
And the lock mechanism 30 suddenly pulls the collapse prevention sheet 15.
Since the rotation of the winding shaft 14 is stopped by detecting
The collapse prevention sheet 15 is no longer pulled out of the winding device 10.
The load-preventing sheet 15 in a taut state
Prevents luggage loaded in luggage compartment 7 from collapsing toward the passenger seat
Can be stopped. According to the above-mentioned cargo collapse prevention device 1, cargo collapse prevention is achieved.
When the stop sheet 15 is suddenly pulled out, the winding shaft 14 rotates.
A pair of lock mechanisms 30 for stopping the rotation are provided.
Immediately after the collapse prevention sheet 15 has begun to be withdrawn suddenly
From the take-up device 10, the unloading prevention sheet 15 is pulled out.
And the luggage in the luggage compartment 7 collapses to the passenger seat side.
Can be reliably prevented. Of the collapse prevention sheet 15
Withdrawal other than sudden withdrawal, the lock mechanism 30 operates.
Normally, the pair of unloading prevention sheets 15 is free
Can be withdrawn. Therefore, the collapse prevention seal
After the setting of the pair 15, as shown in FIG.
Seat back 4 can be individually reclined
become. The lock mechanism 30 is very simple and compact.
It can be constructed in a compact structure, which is advantageous in terms of production cost.
In addition, it can be provided at one end of the winding device 10.
Therefore, the winding device 10 can be made very small, and furthermore,
Very little wear, ensuring long-term durability
Can be Incidentally, in the lock mechanism 30, the load collapse
When the prevention sheet 15 is suddenly pulled out, the claw portions 34
1 is applied to the lock arm 33.
The inertial mass to be attached is provided separately from the lock arm 33.
You may ask. [0024]In this roll-up type collapse prevention device for vehicles
Is1 from the winding device attached to the pair of seat backs
Pull out the pair of collapsing prevention sheets and stay on the ceiling side of the car body etc.
By locking the lock, a pair of load collapse prevention sheets
It is set to partition the passenger seat side. A pair of cargo collapse prevention
With the stop sheet set, load suddenly
Luggage loaded in the room falls down to the front side, preventing
The load of the load acts on the load, and the load is
When the anti-collapse sheet suddenly starts to be pulled out,
The structure detects the sudden withdrawal of the collapse prevention sheet and the winding shaft
Stops the rotation of the roll, so that the load collapse prevention sheet is
From being pulled out of the box, preventing the load from collapsing in a tight state
The seat prevents the luggage in the luggage compartment from collapsing toward the passenger seat.
Can be prevented. [0025] In this vehicle roll-type load collapse prevention device.
Detects the sudden withdrawal of the collapse prevention sheet and takes up the winding shaft.
A pair of lock mechanisms to stop the rotation of the
Immediately after the anti-collapse sheet has begun to be pulled out suddenly, take up
Prevents the collapse prevention sheet from being pulled out of the device
In addition, it is possible to reliably prevent the luggage in the luggage compartment from being collapsed. load
Locked in drawers other than sudden withdrawal of collapse prevention sheet
Since the mechanism does not operate, a pair of load collapse prevention
Can be freely drawn out. Therefore, the cargo collapse
After setting the prevention sheet, a pair of seat backs
It becomes possible to recline each. [0026]FIG.Is the riyashi of the vehicle according to the second embodiment.
FIG. 3 is a perspective view of a roll-up type collapse prevention device for a vehicle applied to a vehicle.
is there. In the load collapse prevention device 1C of the second embodiment,
A winding device 10C having substantially the same width as the entire width of the sheet 2,
Load collapse prevention sheet 15C wound by winding device 10C
And fixedly provided at the tip of the load collapse prevention sheet 15C.
It is composed of a stay 20B and the like. Winding device 10C
Has a lock mechanism 30 at its right end, and
4 is fixedly attached to the disk 4. Stay 20B1
The front ends of the pair of load collapse prevention sheets 15C are attached respectively.
Hook on both ends to the cylindrical mounting part 21B Has 22b
The shaft portion 22 is fixedly fitted inside. According to the load collapse prevention device 1C, the actual
Compared with the embodiment, the number of members is reduced and the structure is very simple.
Can be achieved. In particular, bench seat type and seat bar
To vehicles that are not configured for reclining
It is effective when applied. This load collapse prevention device 1C
In this case, the take-up device 10C is fixedly attached to the vehicle body ceiling side.
And pull out the load collapse prevention sheet 15C downward, and
0B is locked to the seat back 4 so that the collapse prevention sheet 1
You may comprise so that 5C may be extended. Next,First reference exampleWill be described. However
The same components as those of the above embodiment are denoted by the same reference numerals and described.
I do.First Reference Example (FIGS. 8 to 10) First reference example shown in FIG. In the collapse prevention device 1A
Means that the pair of mounting portions 40 and 41 of the stay 20A
A pair of mounting portions 4 are connected by a frame 45 so as to be able to be disconnected.
In the state where 0 and 41 are connected, a pair of load collapse prevention
The seat 15 is configured to partially overlap
The pair of mounting portions 40 and 41 are fittable.
The pair of mounting portions 40 and 41 are formed in cylindrical shapes having different diameters.
A pair of shaft portions 43 each having a hook 43a at an end thereof
Fitted and fixed. FIG.9,Figure10As shown in FIG.
IsOneA second step formed at the end of the mounting portion 40
1, second notches 46a and 46b,The otherMounting part 41
Has an engagement projection 47 provided on the outer periphery of the tip of the pair.
From the state where the mounting portions 40 and 41 are divided, the mounting portions 4
When the end of the first part is fitted inside the end of the mounting part 40, the engagement protrusion
47 is engaged with the first notch 46a and locked at its end.
Then, the mounting portions 40 and 41 are slightly rotated relative to each other.
And the figure9As shown in FIG.
6b, and the pair of unloading prevention sheets 15 is over.
In a non-wrapped state, the pair of mounting portions 40 and 41 are connected.
It is. Thereafter, the mounting portion 41 is further fitted inside the mounting portion 40.
Go and figure10As shown in FIG.
Locked at the end of the notch 46b,8As shown in 1
The pair of collapse prevention sheets 15 partially overlap
State. In the connecting mechanism 45, the mounting portion 40
A spring 50 is fixedly provided inside, and
In a state where 0 and 41 are connected, the spring 50
Urged in the direction to separate from each other,9State is maintained
Is done. Hook 43a at both ends of stay 20ACar body ceiling
Pair of sideLocking part(Not shown)When locking the
Diagram showing compression of pulling 5010In the state, the stay 20A
Hooks 43a at both ends of the
And locked. As described above, the sp
By interposing the ring 50, the stay 20A is
If it is attached to both, a pair of collapse prevention sheets 15 will naturally
Overlap, remove the stay 20A
Is released and the pair of unloading prevention sheets 15 are wound up.
There is no hindrance. The spring 50
Is fixed to a mounting member 51 which is fixedly fitted in the mounting portion 40.
Have been. According to the collapse prevention device 1A,First
The same operation and effect as in the embodiment are provided, but a pair of collapse
The prevention sheet 15 partially overlaps, and a pair of
By minimizing the gap between the load-carrying prevention sheets 15, the vehicle
Can be more reliably prevented from falling into the passenger seat.
Become so. Also, the stay 20A is locked on the ceiling side of the vehicle body.
Release the lock on the parts and divide the pair of mounting parts 40 and 41
By doing so, the pair of mounting portions 40 and 41 can be
Can be integrally held on the racks 4 respectively, so that the load collapse prevention device
Even when 1A is not used, a pair of seat backs 4
It is possible to recline, if necessary
And use only one of the collapse prevention sheets 15
It is also possible to do. [0032]thisAccording to the roll-up type collapse prevention device for vehicles
For example, the tips of a pair of collapse prevention sheets are held together.
As well as a stage that is removably locked to the locking portion of the vehicle body.
ー, the tip of a pair of unloading prevention sheets is attached to each
Having a pair of mounting portions that are connected to be releasable.
In a state where a pair of mounting portions are connected to the locking portion of the vehicle body,
A pair of collapse prevention sheets partially overlap
With this configuration, a pair of unloading prevention sheets can be partially
And a gap between a pair of collapse prevention sheets
As much as possible to further prevent vehicle luggage from collapsing.
It can be prevented reliably. Further, the stay is locked to the locking portion on the vehicle body side.
By releasing and dividing the pair of mounting portions, a pair of mounting portions
Can be integrally held in a pair of seat backs, respectively.
Even when the roll-up type cargo prevention device for vehicles is not used, 1
Each seat back can be reclined
Function, and if necessary, only one of the collapse prevention sheets
Can also be used. [0034]Second reference example (see FIG. 11) Second reference example In the load collapse prevention device 1B, a pair of loads
The collapse prevention sheet 15B has a pair of winding devices on one sheet.
Slits 4 in the longitudinal direction corresponding to the intermediate position of the device 10
8 to the vicinity of the tip.
20B has a pair of unloading prevention sheets 15B whose front ends are
Hooks on both ends of cylindrical mounting part 21B attached
And a shaft portion 22 having an inner portion 22b.
You. That is, according to the load collapse prevention device 1B,First
Reference exampleIt has almost the same function and effect as
The prevention sheet 15B is formed with a slit 48 in one sheet.
It can be manufactured by extremely easy processing
At the time of manufacturing the collapse prevention device 1B, a pair of collapse
Attach the stay 20B to the tip of the protection sheet 15B
Can be performed as easily as one sheet.
You. [0035]thisAccording to the roll-up type collapse prevention device for vehicles
For example, one pair of collapse prevention sheets can be
The longitudinal slit corresponding to the intermediate position of the take-up device
To the vicinity of the tip.WasSo a pair of cargo collapse prevention
The sheet is a pole that only forms a slit in a pair of sheets.
It can be manufactured by easy processing, and it can be rolled up for vehicles.
At the time of manufacture of the load collapse prevention device, a pair of load collapse prevention systems
Work to attach the stay to the tip of the seat is also a pair of sheets
Can be easily performed in the same manner as described above. It should be noted that the load collapse prevention devices 1 and 1 described above are used.
A and 1B are a pair of 1: 1 seat backs
Not applicable only to vehicles having a pair of windings
The length of the device, one pair of load collapse prevention sheets, one pair of mounting parts, etc.
Is changed to a pair of seatbacks divided into arbitrary ratios
Of course, it can also be applied to vehicles having Load collapse prevention device
In 1,1A, 1B, 1C, the load may collapse
Pull out the prevention sheet to the rear, and place the stay on both side walls at the rear of the vehicle
Or, it is locked to the rear door, etc.
Can be used to cover luggage. [0037] According to the first aspect of the present invention, there is provided a roll-up type collapse prevention device for a vehicle.
According to the above, the take-up device, unloading prevention sheet, unloading prevention system
Detects the sudden withdrawal of the sheet and stops the rotation of the take-up shaft.
The lock mechanism is equipped with
Immediately after starting to be pulled out, stop the rotation of the winding shaft of the winding device
And the base end is fixed to the take-up shaft and can be taken up by the take-up shaft.
Prevents pulling out of the collapse prevention sheet attached to the machine
it can. That is, a load collapse prevention sheet in a taut state.
Can reliably prevent the luggage in the luggage compartment from collapsing.
You. Also, drawers other than sudden withdrawal of the collapse prevention sheet
The lock mechanism does not operate in normal conditions, preventing load collapse during normal operation.
The stop sheet can be freely drawn. Therefore,
Pull out the collapse prevention sheet from the winding device and fix it to one end
The stay provided on the lock is locked to the lock,
Can be set easily.Of the collapse prevention sheet
After setting, click on a pair of seat backs
It will be possible to lining. In addition, the winding shaft
A lock mechanism to stop rolling is provided at one end of the winding device
Therefore, it is possible to reduce the size of the winding device. [0039]further,Lock mechanism is a casing holder
And fixed to one end of the take-up shaft
Eccentric from the axis of the take-up shaft and the
Pivotally supported by the lock arm base
A lock arm having a claw portion engageable with the internal teeth;
Do not engage the lock arm with the internal teeth
Sensor spring that urges rotation in the opposite direction
Claws engage with internal teeth during sudden withdrawal with stop sheet
An inertial mass that applies inertial force in the direction to the lock arm
The locking mechanism is very simple and compact
It can be constructed with a simple structure and mechanism, and is advantageous in terms of manufacturing cost.
Also, since there is almost no wear of each member, the locking mechanism
Long-term durability can be ensured.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a rear seat of a vehicle according to a first embodiment of the present invention and a roll-up type collapse prevention device for a vehicle. FIG. 2 is a perspective view of the rear seat (at the time of reclining a seat back) and a take-up type collapse prevention device for a vehicle in FIG. 1; FIG. 3 is a perspective view of the vehicle roll-type load collapse prevention device of FIG. 1; FIG. 4 is an enlarged view of a lock mechanism (unlocked state). FIG. 6 is an enlarged view of a lock mechanism (a state immediately after unlocking). FIG. 7 shows a vehicle rear seat and a vehicle according to a second embodiment .
It is a perspective view of a winding type load collapse prevention apparatus . FIG. 8 is a vehicle roll-up type collapse prevention device according to a first reference example .
It is a perspective view of. FIG. 9 is an enlarged view of a main part of the roll-up type collapse prevention device for a vehicle in FIG . 8;
FIG. FIG. 10 is an enlarged view of a main part of the roll-up type vehicle collapse prevention device of FIG . 8;
It is a large map. FIG. 11 shows a vehicle rear seat and a vehicle according to a second reference example .
It is a perspective view of a winding type load collapse prevention apparatus. [Description of Signs] 1, 1A, 1C, 1C: Load collapse prevention device, 2: Divided sheet, 4: Seat back, 7: Luggage compartment, 10, 10c: Winding device, 12, 13: Casing holder, 14 ... Winding shaft,
15, 15B, 15C ... collapse prevention sheet, 10, 20
A, 20B: Stay, 21, 21B, 40, 41: Mounting part, 30: Lock, 31: Internal teeth, 32: Lock arm base, 33: Lock arm, 34: Claw part, 35: Sensor spring, 48: Slit

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) B60R 5/04 B60R 21/06

Claims (1)

(1) A load collapse prevention device for preventing a load loaded in a luggage compartment of a vehicle from being collapsed. A reclining unit including a winding shaft and a casing holder rotatably supporting the winding shaft ;
Routability seat back or the <br/> winding device mounted on the vehicle body ceiling or the like, the proximal end to the winding shaft kicked windable attachable to the take-up shaft is fixed a tip portion body Ceiling etc.
A load collapse prevention sheet, which is engaged in Tobakku, locking mechanism der to provided at one end of the winding apparatus by detecting an abrupt pull-out of the cargo collapse preventing sheet to stop the rotation of the winding shaft
Therefore, the inside formed integrally with the casing holder
Tooth and lock arm base fixed to one end of winding shaft
At a position eccentric from the axis of the take-up shaft.
Claw that can engage with the internal teeth that are rotatably pivoted to the base
Lock arm with lock arm base
The lock arm is rotated in a direction that does not engage with the internal teeth.
Sensor spring and sudden pull-out of the collapse prevention sheet
Lock inertia force in the direction that the claw engages with the internal teeth
And a lock mechanism having an inertial mass acting on the vehicle.