DE202005009037U1 - Closing device for loading hatch in side wall of transporting container has at least two tabs spaced out from each other to form locking sector - Google Patents

Abstract

The closing device is for the loading hatch (19) in the side wall (16) of a transporting container (11). The hatch in the closed position (22) forms a sector of the side wall, to which it is connected by a hinge (21). At least two tabs, spaced out from each other, form a locking sector, which in the locking position fits round inner and outer sectors of the side wall or hatch.

Description

To the Transportation of goods and bulk goods will be transport container used, which include at least a bottom, side walls and a lid. For easy loading and unloading of such transport containers in the sidewall (s) at least one hatch provided in a closed position forms a section of the sidewall.

By a hinge along one side edge of the hatch is this with connected to the side wall, so that after opening the hatch a good accessibility is made possible in the interior of the transport container.

Such transport containers may be formed, for example, as collapsible container, as these from the DE 295 03 254 U1 are known. The bottom of the transport container is designed as a pallet. On this pallet, a sleeve or ring is provided which consists of a plurality of side walls. On this sleeve, a lid to the closure of the container can be attached. These containers have the advantage that the sleeves are collapsible in an order that they can be transported back packed flat with the bottom and possibly with the lid. Such containers consisting of at least four side walls may also have a hatch.

Such Hatch hatches were previously by Velcro in a closed Position held to the side wall. These Velcro closures have one hooked Band section and a fluffy Band section on. For return transport The collapsible transport containers are often several Rings or side walls on top of each other stacked. Due to the high weight of the side walls in particular the hook-shaped Band sections compressed, so that after repeated transport and use of the side walls one satisfactory holding function of the hook-shaped band section through the flattened Band sections is no longer given.

Of the The invention is therefore based on the object, a closure for a hatch in a sidewall of a transport container which repeatedly opens and is able to close and has a long life.

These The object is achieved by a Closure solved, having at least two spaced tabs, which form a locking portion which in a locking position an inner and outer wall section the side wall or hatch embraces. Keep such locks while a transport in which the side walls are stacked on top of each other, her shape. Due to the configuration, the closures for a robust use and have a long service life. At the same time, easy handling and secure recording of Hatch in a closed position allows. Through a closure will be added Achieved that several transport containers close together side by side are positionable. additionally is due to the closed or flush arrangement of the outside the hatch to the outside The side wall ensures that the interior of the transport container is completely closed is and the penetration of dirt, water and moisture as far as possible is prevented.

To an advantageous embodiment of the invention is provided that the tabs through a guide section connected to each other in a through hole of the Sidewall or hatch is positioned. This is a safe shot the closure and easy handling for transferring the Closure from a locking position to an unlocking position allows.

Of the guide section the closure preferably has two mutually parallel Guide surfaces, in a slot-shaped through hole slidably guided which are preferably perpendicular to the parting plane between the side wall and the hatch extends. This can be a sliding closure be trained, without additional Attaching guides actuated is. By a translational displacement movement is a simple Handling given. In particular, in the design of the side walls and the hatch and the closure of plastic is a cost-effective design intended.

The Tabs that form, inter alia, the locking portion point preferably opposite one another a likewise tab-shaped End up in a locking position of the shutter at least the oblong-shaped Cover through opening. As a result, the closure ensures that the side wall and hatch substantially completely closed to the interior is formed and protects the cargo from contamination. simultaneously is the viewing of the cargo prevented from the outside.

The thickness of the tabs is preferably equal to or smaller than a recess of a side wall and hatch section formed in which the tabs are guided. This is the practice nanderstapeln the side walls allows a flat contact, without the closure protruding over a surface of the side wall.

Of the Closure is preferred by a first and at least one other Lug formed, which are identical. This is a cost-effective Design allows. The tabs are preferably arranged in mirror image to each other and fixed. The closure thereby has a U-shaped locking portion on. Seen in a plan view, the closure is an H-shaped element in the passage opening led the side wall or hatch.

The first and at least one further tab each comprises a connection surface, through the two tabs are fixed to each other. At the identical Design of the tabs, the connecting surfaces are flat and lie preferably in the middle of the passage opening. By an adhesive or Verschweißverbindung can Lugs fixed to each other. Likewise, latching connections on or adjacent to the bonding surfaces be provided, the corresponding recordings have spaced thereto. Through a 180 ° to each other twisted arrangement of the first and at least one further tab can these parts are the same design and fixed to each other detachable or non-detachable become. Preferred is a releasable latching connection provided so that in case of damage the shutter in easier Way the closure of the side or hatch can be solved and the undamaged one Sidewall and hatch is fitted with a new closure. Such detachable Locking connections can Also be provided on tabs that are not or only partially identical are formed.

To a further alternative embodiment of the invention is provided that at least one of the two tabs an an undercut having provided recess in which a complementary attachment portion who attacks at least one other tab. The attachment section can also as an undercut or as a through hole with a conical or conical Be formed area. This embodiment makes a special easy to install and detachable Latching connection, the above In addition, in the production is inexpensive. The dividing plane of the releasable Locking connections between the at least two tabs forming the closure is preferably within the passage opening, the length of which is substantially through the thickness of the side walls or hatch is determined. Alternatively, the dividing plane can also inside a tab and outside the passage opening lie.

To a further alternative embodiment of the closure is provided that the guide section formed by the at least two tabs a cylindrical Having peripheral surface, in a round passage opening guided radially rotatable is. As a result, the preferably U-shaped locking portion be converted by a rotational movement in a locking and unlocking.

The Tabs of the locking portion preferably have at the outside the side wall or the loading hatch facing surface at least one increase or a depression that is in a depression or increase the side wall or the hatch in a unlocking or locking position intervention. As a result, the shutter is in the respective position self-holding positioned in a simple manner. Thus, in particular while closing the hatch to ensure that the closure in an unlocked position held until the hatch in a closed position is arranged.

alternative can also be provided that adjacent to the locking or Unlocking position of the tab increases are provided, which after Taking the respective positions hold the closure in it. These aforementioned releasable locking positions can as well as a sliding closure as well as a rotatable closure be provided.

To a further preferred embodiment of the invention is provided the tabs of a rotatable locking portion comprise a guide portion have at least one flattening, which with a further flattening of the passage opening in a self-holding Position can be arranged. This can further a simple Arrangement of the tabs in a latching unlocking or locking position be possible.

The Invention and further advantageous embodiments and further developments The same will be described below with reference to the drawings Examples closer described and explained. The features to be taken from the description and the drawings can individually for applied to one or more in any combination according to the invention become. Show it:

1 an isometric view of a collapsible container,

2 a schematic sectional view of a first embodiment of the closure according to the invention,

3 a schematic sectional view of another embodiment of the closure according to the invention and

4 a schematic side view of another alternative embodiment of the closure according to the invention.

In 1 is an isometric view of a collapsible container 11 shown. This container 11 includes a floor 12 , which is formed, for example, pallet-shaped. This floor 12 takes a sleeve or a ring 14 on, for example, four side walls 16 includes. This ring 14 is preferably formed foldable. On the ring 14 is a lid 17 provided, the ter ter the Transportbehäl 11 closes. The lid is slightly hood-shaped for this purpose. This embodiment has the advantage that the collapsed ring 14 who is on the ground 12 rests on the lid 17 is covered, so that a small volume in the packed state for the return transport is given. Such containers 11 are preferably made of recyclable plastic. The side walls 16 can be formed from two- or three-layer plastic films.

The side wall 16 has a hatch 19 on, which is at an upper end of the side wall 16 borders. About a hinge 21 , which is preferably designed as a film hinge, the hatch 19 from her in 1 shown closed position 22 in a discharge position shown in dashed lines 23 be transferred to allow easy loading and unloading. Alternative to the film hinge 21 it is also possible to provide a hinge arranged separately thereon.

The hatch 19 is for example by closures 26 in a closed position 22 held. The closures 26 are preferably near a respective end of a parting plane 27 between the side wall 16 and the hatch 19 provided to allow a safe closing function and tight arrangement. At the hatch 19 are two hook band-shaped sections 28 provided in an open position of the hatch 19 in fluff-collar-shaped sections 29 attack at the end of the side wall 16 are fixed. This allows the hatch 19 in the opened state for loading and unloading the transport container 11 parallel to the side wall 16 be releasably fixed.

According to a first embodiment of the invention, the closure 26 slidable in a passage opening of the hatch 19 added. Alternatively, the closure 26 also sliding on the side wall 16 be provided.

In 2 is a schematic solid cross section of a first embodiment of the closure according to the invention 26 shown. The closure 26 consists of a first tab 31 and at least one other tab 32 that has a locking section 33 form. In an in

2 illustrated locking position 34 surrounds the locking portion 33 the tabs 31 . 32 the side wall 16 , This ensures that the hatch 19 in their closed position 22 flush with the sidewall 16 is held and is not pivotable inwardly or outwardly. In this embodiment, the tabs are 31 . 32 opposite each other and form a U-shaped locking portion 33 ,

The first tab 31 preferably has a recess 36 with an undercut 37 on, at the a complementarily formed mounting portion 38 at the at least one other tab 32 attacks. This is simultaneously a guide section 40 educated. The depression 36 and the attachment section 38 engage releasably, so that in case of damage, a simple replacement of the closure 26 can be done. Preferably, the attachment portion 38 two mutually parallel guide surfaces, along guide surfaces 41 a passage opening 42 are guided. This is a simple displacement movement of the closure 26 from a locking position 34 allows in a not shown unlocking position. At the same time a rotation is given.

The first and at least one more tab 31 . 32 form the U-shaped locking portion 33 opposite also a U-shaped section, whereby in a locking position 34 of the lock 26 the passage opening 42 is closed.

In the 2 shown releasable latching connection in the guide section 40 between the first and at least one other tab 31 . 32 can be made possible by further detachable locking connections, which a simple Zusammenklipsen for fixing the at least two tabs 31 . 32 allows each other.

On an inside of the tab 31 is preferably a latching element 47 provided as an elevation towards the hatch 19 is formed pointing. In an unlocking position, not shown engages the locking element 47 into a depression 48 at the hatch 19 one, leaving the closure 26 is kept secured in an unlocked position. To secure the locking position 34 For example, it may be provided that on the side wall 16 near a front end of the locking portion 33 an increase vorgese hen is at a recess on the inside of the tab 31 attacks. Alternatively it can be provided that an increase or a locking element in the U-shaped locking portion 33 near the guide section 40 is provided in a recess on the hatch 19 intervenes. The example of the tab 31 described latching elements can additionally or only on the tab 32 be provided. Depending on the holding forces to be applied, a plurality of securing elements can also be used to take the unlocking position and the locking position 34 be provided during transport.

Alternatively, it can also be provided that the connection plane between the two tabs 31 . 32 in one plane of the two tabs 31 . 32 lies. Preferred is on a tab 31 . 32 a guide section 40 provided, which the passage opening 42 permeates and at the same time guide surfaces 39 for moving the shutter 26 having.

The U-shaped locking portion 33 the at least first and second tab 31 . 32 can also be formed by the first tab 31 For example, two or more spaced fingers and the at least one further tab 32 parallel to it or has a corresponding finger on the gap.

The tabs 31 . 32 are preferably formed as a plastic part. According to a preferred embodiment, the closure 26 as well as the side wall 16 and the hatch 19 made of the same plastic material, in particular polypropylene. This creates a recyclable unit without the closures first 26 must be removed. Due to the releasable locking connection, the tab 31 to the tab 32 holds, also different plastic materials can be used, since the releasable locking connection easy disassembly of the closures 26 before recycling.

In 3 is an alternative embodiment of a sliding closure 26 to 2 shown. The first and at least one more tab 31 . 32 includes a connection surface 44 , which is formed, for example, plan and connected by gluing or welding together. Alternatively, at this interface 44 also releasable locking elements may be provided, wherein preferably an identity in the embodiment of the two tabs 31 . 32 intended for cost-effective production.

At the in 3 illustrated embodiment, the closure 26 receiving areas 45 opposite the adjacent outer sides of the sidewall 16 and the hatch 19 recessed, leaving an outside of the tabs 31 . 32 flush with the outsides of the sidewall 16 and the hatch 19 provided or even set against these. This can cause a stacking of the sidewalls 16 be possible without the closure 26 applying.

In 4 is in a further embodiment of the closure according to the invention 26 shown as a screw cap. The closure 26 is by a rotation by 90 ° from a locking position 34 in an unlocked position shown in dashed lines 35 transferable. The first and at least one more tab 31 . 32 have a guide section 40 on, which comprises a cylindrical outer surface. To limit the rotational movement depressions or recessed areas 45 in the sidewall 16 and the hatch 19 provided, which each have an end stop 46 form. Thus the locking position 34 and unlock position 35 can be taken self-holding, are either on the outside of the side wall 16 and hatch 19 facing side of the tabs 31 . 32 Elevations or depressions as locking elements 47 provided, which intervene in elevations or depressions. Alternatively, such locking elements 47 Also be provided adjacent to the respective end position and upon actuation of the closure 26 be run over.

The closure according to the invention 26 as well as its alternative embodiment may be for any sidewalls 16 with hatches 19 be used. These may be both side walls, which are collapsible or firmly connected to the bottom or lid or consist of side walls, which can be assembled into a ring or individually on a floor 12 to be attached.

Claims (12)

Closure for a hatch ( 19 ) in a side wall ( 16 ) of a transport container ( 11 ), whereby the hatch ( 19 ) in a closed position ( 22 ) a portion of the side wall ( 16 ) and along a side edge by a hinge ( 21 ) is connected to the side wall, characterized in that at least two spaced-apart tabs ( 31 . 32 ) a locking portion ( 33 ), which in a locking position ( 3G ) an inner and outer wall portion of the side wall ( 16 ) or the hatch ( 19 ) surrounds. Closure according to claim 1, characterized in that between the tabs ( 31 . 32 ) a guide section ( 40 ) is provided, the La ( 31 . 32 ) and in a passage opening ( 42 ) of the side wall ( 16 ) or hatch ( 19 ) is positioned. Closure according to claim 1 or 2, characterized in that the closure ( 26 ) with a guide section ( 40 ) has two guide surfaces arranged parallel to one another, which in a slot-shaped passage opening ( 42 ) are guided displaceably, which are preferably perpendicular to the parting plane ( 27 ) between the side wall ( 16 ) and the hatch ( 19 ). Closure according to claim 2 or 3, characterized in that on the locking portion ( 33 ) are provided opposite lug-shaped ends which in a locking position ( 34 ) of the closure ( 26 ) the slot-shaped passage opening ( 32 cover). Closure according to one of the preceding claims, characterized in that the thickness of the tabs ( 31 . 32 ) equal to or less than one depression ( 45 ) is formed on an outer side of a side wall and hatch section, in which the tabs ( 31 . 32 ) are guided. Closure according to one of the preceding claims, characterized in that the locking portion ( 33 ) a first and at least second tab ( 31 . 32 ), which are formed identically. Closure according to claim 6, characterized in that the first and at least one further tab ( 31 . 32 ) each have a connection surface ( 44 ), through which the two tabs ( 31 . 32 ) are fixed to each other. Closure according to one of the preceding claims, characterized in that the first and at least one further, a locking portion ( 33 ) forming tab ( 31 . 32 ) are fixed to each other by a releasable latching connection. Closure according to one of the preceding claims, characterized in that on one of the flaps ( 31 . 32 ) at least one an undercut ( 37 ) ( 36 ) is provided, on which a complementary attachment portion ( 38 ) the at least one other tab ( 32 ) releasably attacks. Closure according to one of the preceding claims, characterized in that the guide section ( 40 ) between the tabs ( 31 . 32 ) comprises a cylindrical lateral surface which in a round passage opening ( 42 ) of the side wall or hatch ( 19 ) is guided radially rotatably. Closure according to one of the preceding claims, characterized in that the tabs ( 31 . 32 ) at one to the outside of the side wall ( 16 ) or hatch ( 19 ) facing surface an increase ( 47 ) or wells which are in a depression ( 48 ) or increasing the side wall ( 16 ) or hatch ( 19 ) and engage the locking section ( 33 ) in at least one locking position ( 34 ) or unlocking position ( 51 ) hold. Closure according to claim 10, characterized in that the tabs ( 31 . 32 ) a guide section ( 40 ), which comprises at least one flattening, which is provided with at least one further flattening of the passage opening (11). 42 ) a self-holding position of the closure ( 26 ) occupies.