DE202006009855U1 - Securing system for loads in luggage space of car comprises reel fastened to floor rail on one side of car, strap being unwound from this with hook at its end allowing it to be fastened to another rail on other side - Google Patents

Abstract

The securing system for loads in the luggage space of a car comprises a reel with a base (8) allowing it to be fastened to a floor rail on one side of the car. A strap (10) can be unwound from this and has a hook (9) at its end which allows it to be fastened to another rail on the other side. A handle (11) can be moved to a position where it locks the strap.

Description

The The invention relates to a functional device for a loading space of a motor vehicle with at least one cargo space anchored support means, in particular a load rail, and with a winding device, which has a winding housing, the detachable on the support device can be locked, wherein the winding device a wound up and unwound sheet includes, at its front in the extension direction Stirnendbereich is provided with at least one retaining element, the load compartment side is secure.

The sheet can be narrow and belt-like or wide and web-like. Depending on the width of the fabric are preferably one or more holding elements provided on the front side. As a carrying device in addition to a load rail and a different designed, load-space fixed bracket may be provided.

Such a functional device is known from the EP 1 619 074 A2 known. The known functional device is used to secure cargo in a hold of a motor vehicle and has as a webbing on a webbing, which is held up in a winding housing on a winding shaft and unwound. The winding housing is in Aufnahmevor directions of a load rail of the hold fixed. The webbing has at its front end in the extension direction a closure element, which is latchingly inserted into a cargo space fixed seat belt buckle. A winding device comprising the webbing and the winding shaft is provided with a centrifugal lock and with a ratchet function for tensioning the belt. On the winding housing a rotary knob is provided as a handle, which is provided with a sliding actuating lever. By means of the actuating lever a tensioning of the webbing is possible by the ratchet function is activated. In addition, a push button is provided which can achieve a blocking or releasing the winding function of the winding device.

task The invention is a functional device of the aforementioned To create kind, which can be variably operated and used in a simple way is.

These Task is solved by that a movable handle is mounted on the winding housing, both with a blocking device of the fabric as well as with a the winding housing in the load rail blocking locking device in operative connection is that the handle by manual operation, the sheet for a or release unwinding and / or the locking device in a the winding housing for a longitudinal displacement can transfer releasing release position within the load rail. Thereby it is by means of a single handle preferably possible, either alternatively or cumulatively, both the blocking device for the winding device as also the locking device for the longitudinal displacement of the winding housing to operate within the load rail. The winding housing can as at least largely closed housing component or as the sheet be carried out largely open-frame construction. The handle preferably has at least one handle part and is advantageously designed lever or bow-shaped. The Locking device, by means of which the winding housing can be blocked in the load rail is, can be positive or positive be effective. With positive locking Effectiveness, the load rail preferably has corresponding locking recesses on, on corresponding, serving as braking elements locking elements the locking device are tuned. In non-positive execution of Locking device preferably has the locking device at least a brake pad, which for the blocking function is jammed in the load rail.

The solution according to the invention is suitable especially for the securing of cargo in the hold, preferably on one Load floor. This is the sheet preferably over placed the load to be secured and then stretched so that the load is secured in position held on the load compartment floor. Of course it is it also possible the load on other, also vertical or oblique boundary surfaces of the Cargo space by means of the appropriate functional device to fix. But it is also possible the functional device not for securing cargo, but for Loading space segmentation or for to use other functions within the hold. For the loading space segmentation can the sheet preferably pulled out horizontally or vertically or obliquely and secured, at least for a portion of the cargo space result in separate load compartment sections.

In Embodiment of the invention is a winding shaft of the fabric a tensioning device, in particular a ratchet tensioning device, assigned, which can be operated by the handle. By means of this clamping device can the sheet be wound on the winding shaft under tension, causing a lashing of the fabric allows becomes. This embodiment is particularly advantageous for an embodiment, at the the sheet designed as a webbing is. Because then the webbing can be used as a tension belt.

According to the invention is at a Funktionsein Direction of the aforementioned type also provided that the blocking device is associated with a torque limiting device. This torque limiting device prevents that on the fabric so high tensile loads can be exerted that the winding housing is damaged or torn from a vehicle-mounted bracket, in particular the load rail. In addition, it is prevented that vehicle-mounted load-bearing components, such as the load rail described, are damaged by overuse. It is therefore in the torque limiting device to an overload protection. The torque limiting device therefore releases the winding device or the winding shaft for an unwinding operation of the fabric as soon as a predetermined, maximum tensile load on the fabric is reached, so that the sheet can yield by a corresponding unwinding. The maximum tensile force, from which a release of the development of the sheet takes place, is under the tensile load, from the plastic deformation in the storage of the winding shaft, in the winding housing or in the area of the holder of the winding housing within the load rail or in the load rail or a differently designed carrying device may occur. As a result, damage to the functional device is avoided. Even with an increase in the tension on the fabric by an active clamping operation beyond the value defined by the torque limiter addition value, the overload protection comes into force by a Abwickelvorgang is enabled.

at another embodiment the invention is dispensed with such a force limitation, on the one hand for a crash of the motor vehicle, a corresponding retention or to achieve safety function of the functional device, and possibly by the plastic deformation of the individual components of the functional device allow a certain energy reduction to be able to.

In Advantageously, the torque limiting device as mechanically effective ball slip clutch executed. This is a special one simple yet reliable design.

In Another embodiment of the invention is the handle as a pivot lever executed which is mounted coaxially to a winding axis of the winding shaft. The Design as a pivot lever is ergonomically favorable. To the another is by the coaxial bearing relative to the winding shaft a particularly simple and compact design of the individual components allows the functional device.

In Another embodiment of the invention is a control with the handle rotatably connected, with the locking device in operative connection stands. Preferably, the control is as in a radial plane executed to the winding axis extended control disk.

In Further embodiment of the invention comprises the locking device a movable between a release position and a locking position mounted brake element whose movement with the movement of the control element coupled at least temporarily. To the brake element between his Release position, in which the winding housing in the load rail displaceable is, and its locking position, in which the winding housing in the Load rail is blocked to move, is a mechanical positive coupling provided between the handle and the brake element. The brake element can be effective both positively and positively. In the latter Case it acts as a blocking element with corresponding locking points of Load rail together form-fitting.

In Another embodiment of the invention, the braking element is transverse to a longitudinal axis the load rail mounted linearly movable. In a preferred embodiment the load rail is integrated in the load compartment floor and upwards open, wherein the load rail preferably a C-shaped profile has, whose C-shaped Leg sections in the region of the top of the profile each other facing and leave between them a longitudinal gap for the longitudinal displacement of the winding housing. The winding housing has a block-like guide arrangement on, the so on the free cross section of the load rail profile is tuned to be slidable or rollable in the load rail is displaceable. This leadership arrangement is associated with the brake element, which is in its blocking position either horizontally against the side walls of the load rail profile or about vertically up against the bottoms of the leg portions the load rail profile frictionally supported. In the latter case will at the same time a floor of the management arrangement pressed against the bottom of the load rail profile down, causing the desired Deadlock of the leadership arrangement and so that the winding housing achieved in the load rail profile.

In a further embodiment of the invention, the blocking device comprises a form-locking effective locking device having a connected via the torque limiting device to the winding shaft ratchet wheel. The ratchet wheel preferably has a peripheral toothing, the teeth are executed such a sawtooth that in one direction of rotation blocking and in the other direction of rotation of the ratchet wheel he is achievable.

In Further embodiment of the invention, the blocking device at least one spring-loaded pawl, by spring force held in its locked position and by a movement of the control is deflectable.

Further Advantages and features of the invention will become apparent from the claims and from the following description of a preferred embodiment of the invention, which is illustrated with reference to the drawings.

1 shows a perspective view of an embodiment of a functional device according to the invention for a cargo space of a passenger car, wherein the functional device is used to secure cargo,

2 the functional device after 1 in an enlarged view,

3 the functional device after 2 with partially extended webbing,

4 the functional device according to the 1 to 3 in a locked in the longitudinal direction of a load rail starting position,

5 a release position of the functional device according to 4 in which both an extract of the webbing and a longitudinal displaceability of the functional device along a load rail is made possible,

6 the functional device according to the 1 to 5 in a clamping position in which the functional device is locked in the load rail and the webbing is tensioned,

7 an isometric exploded view of the functional device according to the 1 to 6 wherein an actuating handle is shown simplified,

8th a further isometric exploded view of the functional device according to the 1 to 6 .

9 in a sectional view of the blocking position of the functional device according to 4 and

10 the release position of the functional device according to 5 ,

A passenger car has according to 1 a cargo space 1 on, which is provided in a rear area of the passenger car. The cargo space 1 has a load compartment floor in basically known manner 2 on, on its opposite side areas, each with a load rail 3 is provided. The two load rails 3 are aligned parallel to each other in the vehicle longitudinal direction and so in the load compartment floor 2 integrated with their top flush with the surface of the cargo compartment floor 2 to lock. Both load rails 3 are connected crash-proof with a bodyshell of the passenger car. The load rails 3 have a - seen in cross section - c-like hollow profile, which is designed to be open at its top by a longitudinal slot. The longitudinal slot is flanked by upper leg portions of the load rail profile, which face horizontally toward each other and flush with the load compartment floor 2 to lock. This is the free cross section within each load rail 3 wider than the width of the upper longitudinal slot. Rear side have both load rails 3 a widened insertion section, through the corresponding functional parts in the respective load rail 3 can be used or removed from this. The load rails can also be provided with a series of evenly distributed over the length of the load rail arranged locking recesses, in which a hereinafter described in more detail brake or locking element can immerse form-fitting manner.

In the embodiment according to 1 is in the direction of travel seen left load rail 3 a functional device described in more detail below 4 used. About the same height is in the direction of travel right load rail 3 a holding device 6 provided with the functional device 4 can interact. With the reference number 5 a cargo is shown in the form of a suitcase, which is on the load compartment floor 2 rests.

The functional device 4 according to the 1 to 10 is designed as a load securing device and has a webbing as a webbing 10 on that on a winding shaft 21 is held up and unwound. The webbing 10 is at its front end region with a holding element in the form of a suspension hook 9 provided in a receiving lug of the holding device 6 can be hung. As based on the 1 can be seen, the webbing can 10 the functional device 4 thus from the winding shaft 21 deducted and over the load 5 be placed. By hanging the suspension hook 9 in the receiving lug of the holding device 6 will the webbing 10 in his the load 5 fixed overarching safety position. Subsequently, it is possible, as will be described in more detail below, the webbing 10 to tension and so the contact pressure of the webbing 10 on the load 5 to increase.

The functional device 4 has a housing se 7 on, in which the winding shaft 21 is arranged. The housing 7 is at its bottom with a guide block 8th provided in the load rail 3 is used and the functional device 4 in the load rail 3 leads and holds. The leader block 8th has a guide profile on the hollow profile of the load rail 3 tuned so that the leader block 8th in the load rail 3 in the longitudinal direction is slidably movable. The leader block 8th is fixed to the case 7 connected, as will be explained below.

The structure of the functional device 4 is determined by the 7 and 8th explained in more detail below. Part of the housing 7 is a bearing block 19 that stuck to the leader block 8th is screwed. Corresponding mounting screws are in the 7 and 8th shown, but unspecified. The bearing block 19 and two shell-like housing halves 7a . 7b together form the housing unit 7 stuck with the guide block 8th connected is. In the bearing block 19 is a coil-shaped winding shaft 21 rotatably mounted, in the winding by a return spring unit 22 is charged. The designed as a spiral spring return spring arrangement 22 on the one hand rotatable with the winding spool 21 and on the other hand rotatably with a bell housing 27 connected axially to a rear bearing leg of the bearing block 19 snapped on and thus rotatably on the bearing block 19 is held. The winding spool 21 sits rotatably on a winding axis 23 holding the winding spool 21 penetrates and in the bearing block 19 is held.

Alternatively, it is also possible, the winding axis 23 rotatably perform as a shaft and the winding spool 21 with its axle hub rotatably connected to this shaft. In this embodiment, the winding axis 23 by means of a ball bearing in the bearing block 19 rotatably mounted.

About serving as a torque limiting device ball slip clutch 24 to 26 is the winding spool 21 Torque-dependent rotationally fixed with a ratchet wheel 24 provided, which is circumferentially provided with a spur toothing. The spur toothing is designed in such a way that steep tooth flanks result in one direction of rotation and flat tooth flanks in the other direction of rotation (see 9 and 10 ). The ratchet wheel 24 is coaxial with the winding axis 23 and thus coaxial with the reel spool 21 arranged. The winding spool 21 indicates at her the ratchet wheel 24 facing end face a plurality of hemispherical-shaped troughs 26 on, distributed uniformly in the circumferential direction over the end face and coaxial with the winding axis 23 are arranged. Corresponding to this, the ratchet wheel 24 a corresponding number of circular passages 29 , Preferably in the form of holes, whose diameter at least substantially to the diameter of the wells 26 is tuned. Between the ratchet wheel 24 and the end face of the reel spool 21 is also an equal number of balls 25 provided, the cage-like in the hollows 26 the end face of the reel spool 21 are held and each with a ball portion axially to the ratchet wheel 24 protrude. The hollows 26 are designed as blind holes into which the balls dive over about 60% of their diameter, so that about 40% of each ball protrude axially beyond the end face of the reel spool. The balls dive with these projecting ball sections 25 positively in the passages 29 a, so that a rotation lock between the winding spool 21 and the ratchet wheel 24 results. The passages 29 have a diameter that is smaller than the ball diameter. The ratchet wheel 24 is thus about the balls 25 with the winding spool 21 carried. A correspondingly limited axial compliance makes it possible for the balls to start at a predetermined maximum torque 25 from the passages 29 or the hollows 26 emerge and in the circumferential direction to the next trough 26 or to the next passage 29 can continue to roll. As a result, the rotational lock between the ratchet wheel 24 and the winding spool 21 Torque dependent suspended until the torque load falls below the maximum torque limit again. The axial compliance is limited by a limited axial mobility of the reel spool 21 against spring force, according to 7 and 8th against the force of at least one cup spring package 30 , scored. The restoring force of the cup spring package 30 is tuned to the effectiveness of the overload protection and thus the ball slip clutch.

The ratchet wheel 24 serves to, on the winding spool 21 a ratchet function and thus a tensioning function in the winding direction of the webbing 10 exercise. For this purpose, the ratchet wheel 24 two pawls 18 . 20 assigned, spaced in the circumferential direction to each other, but in the same direction of rotation on the ratchet wheel 24 act. Each of the pawl 18 . 20 is spring-loaded in the reverse direction. The one pawl 20 is pivotally mounted on the bearing block 19 stored. The other pawl 18 is pivotable on a disc-like control 13 stored. The control 13 is coaxial with the winding axis 23 limited pivoting on the bearing block 19 stored. The control 13 is on the reel spool 21 opposite end face of the ratchet wheel 24 arranged. On his the ratchet wheel 24 opposite side is the control 13 with a prism-shaped, preferably square-shaped extension 14 provided in one piece on the control 13 is arranged and coaxial with the winding axis 23 via a corresponding bearing leg of the bearing block 19 protrudes to the outside. With this extension 14 is a handle 11 . 11a rotatably connected, in 7 a simple one for easy clarification pivoting lever 11a attached axially. This operating lever 11a is not used in the present embodiment. Rather, as a handle is a bow-shaped lever 11 provided, which consists of two bolted together halves. The coat hanger 11 but is rotatably in the same way with the square-shaped extension 14 of the control 13 connected as the pivot lever 11a , The coat hanger 11 Incidentally, on the opposite sides of the housing in each case still approximately semicircular apertures to the housing unit 7 to close at their ends. These panels are integral with the bracket 11 and therefore rotate together with the limited pivoting mobility of the control 13 With.

The control 13 has a control pin in the region of its underside 15 on which a control cam 16 assigned. The control cam 16 is about a transverse to the axis of rotation of the control 13 aligned pivot axis limited pivoting and is loaded in one direction by a return spring. The control cam 16 acts on a slotted guide 12a of the brake element 12 , allowing a rotational movement of the control cam 16 to a lifting or lowering movement of the brake element 12 leads.

The coat hanger 11 is in an unloaded position in a vertical starting position ( 4 ) held. This starting position is in the 4 and 9 shown. In this initial position, the pawls grip 18 . 20 in the ratchet wheel 24 one, leaving the reel spool 21 is locked in the unwinding direction. The return force of the take-up spring assembly 22 loads the winding spool 21 permanent in the winding direction, so that the steep tooth flanks of the ratchet wheel 24 permanently against the pawls 18 are pressed. In this initial position is the brake element 12 in its braking position, by the return force of the return spring of the control cam 16 over the slide tour 12a the brake element 12 presses in its resting on the load rail braking position.

In order from this starting position according to 4 a tensioning of the webbing 10 to enable the hanger 11 according to 6 alternately moved clockwise from the initial position to the right and back to the starting position. This allows the ratchet wheel 24 that's over the pawl 18 in the winding direction rotatably with the control 13 is connected, each about the tilt angle of the bracket 11 be moved, causing the pawl 18 invades again on a different steep tooth flank. The other pawl 20 is passive mitbe moved and locked by the corresponding spring load automatically on a corresponding tooth flank again. As the control 13 as shown 9 for the clamping movement moves clockwise, the control pin 15 each from the control cam 16 removed, leaving the control cam 16 is not moved. The brake element 12 thus remains in its braking or blocking position during the tensioning movement.

Once the hanger 11 from the starting position 4 is pivoted in the opposite direction of rotation ( 5 and 10 ), the pawls are 18 . 20 out of their locked position in a release position. This is done for the control element-side pawl 18 a stationary control bolt 28 who is on the bearing block 19 is arranged. For the bearing block-side pawl 20 is a one-piece on the control 13 molded control extension 17 provided at the same time the pawl 20 modulates. For the control of the pawl 18 assign this one in 10 well recognizable control edge on the control bolt 28 comes to the plant and the desired cam on the pawl 18 exercises. A corresponding control cam is on the pawl 20 provided, at the the control extension 17 at a corresponding pivoting movement of the control 13 slides along and the pawl 20 lifts out of the rest position. The excavated and thus controlled release position of both pawls 18 and 20 is in 10 shown. At the same time it can also be seen that the control pin 15 of the control 13 the control cam 16 has twisted into a swivel position in which he is in the slotted guide 12a slides along and due to the inclined plane leading the slotted guide 12a inevitably describes the brake element 12 has exercised a lowering down. This is the brake element 12 congruent with the guide profile of the guide block 8th moved down, so that the profile view according to 5 results. The leader block 8th can now in the dinghy 3 be moved. In the leadership block 8th is a corresponding recess made so that a flush immersion of the brake element 12 in the leader block 8th is possible.

In this controlled position according to the 5 and 10 is the ratchet wheel 24 released in both directions of rotation, so that the winding spool 21 by the return force of the coil spring assembly 22 can be rotated in the winding, whereby the webbing 10 is wound up accordingly. Alternatively, the webbing 10 against the return force of the coil spring assembly 22 , for example by manual extraction, from the reel spool 21 be deducted, for example, a hanging of the suspension hook 9 at the corresponding holding device 6 to enable. At the same time it is also possible, the housing unit 7 overall and thus the entire Funktionsein direction 4 in the longitudinal direction of the load rail 3 to move and possibly to the widened application of the load rail 3 to move to the functional device 4 refer to.

The pivoting mobility of the bracket 11 is limited in both pivoting directions by corresponding stops, which are not explained in detail in the drawings.

Claims (10)

Functional device for a loading space of a motor vehicle with at least one cargo space side anchored support means, in particular a load rail, and with a winding device having a winding housing which is releasably lockable to the support means, wherein the winding device comprises a wind-up and unwindable sheet, which at its in Extending direction front end region is provided with at least one retaining element, which is securable loading space side, characterized in that a movable handle ( 11 . 11a ) on the winding housing ( 7 ) mounted with both a blocking device of the fabric ( 10 ) as well as with a winding housing ( 7 ) in the load rail ( 3 ) blocking locking device is operatively connected in such a way that the handle ( 11 . 11a ) by manual operation the sheet ( 10 ) for a winding or unwinding release and / or the locking device in a winding housing ( 7 ) for longitudinal displacement within the load rail ( 3 ) can transfer releasing release position. Function device according to claim 1, characterized in that a winding shaft ( 21 ) of the fabric ( 10 ) a tensioning device ( 13 . 24 . 18 . 20 ), in particular a ratchet tensioning device, assigned by the handle ( 11 . 11a ) is operable. Functional device according to the preamble of claim 1 or claim 1, characterized in that the blocking device comprises a torque limiting device ( 24 to 26 ) assigned. Functional device according to claim 3, characterized in that the torque limiting device is a mechanically effective ball slip clutch ( 24 to 26 ) having. Functional device according to claim 1, characterized in that the handle is designed as a pivot lever which is coaxial with a winding axis of the winding shaft ( 21 ) is stored. Functional device according to claim 1, characterized in that with the handle ( 11 . 11a ) a control ( 13 ) is rotatably connected to the locking device ( 12 ) is in operative connection. Functional device according to claim 6, characterized in that the locking device a between a release position and a locking position movably mounted brake element ( 12 ) whose movement with the movement of the control element ( 13 ) is coupled at least temporarily. Functional device according to claim 7, characterized in that the braking element ( 12 ) transversely to a longitudinal axis of the load rail ( 3 ) is mounted linearly movable. Functional device according to claim 1, characterized in that the blocking device comprises a form-lockingly effective latching device, which via the torque limiting device ( 24 to 26 ) with the winding shaft ( 21 ) connected ratchet wheel ( 24 ) having. Functional device according to claim 9, characterized in that the blocking device comprises at least one spring-loaded pawl ( 18 . 20 ) held by spring force in its locked position and by a movement of the control ( 13 ) is deflectable.