DE202019102890U1 - Device for releasably connecting a winding shaft of a roller shutter with a push-up protection - Google Patents

Abstract

Device for the detachable connection of a winding shaft (11) of a roller shutter armor (12) with a push-up safety device (13), consisting of an elongate wire spring (10) with end sections (25, 26) on both sides, each of which has an end member (14) of the push-up safety device (13) engage through and engage positively in openings (19) of the winding shaft (11), characterized in that the wire spring (10) to avoid movement in the winding shaft longitudinal direction to the winding shaft (11) directed, additional locking projection (27) which in a further opening (19) of the winding shaft (11) protrudes.

Description

The invention relates to a device for releasably connecting a winding shaft of a roller shutter with a push-up protection, consisting of an elongated wire spring with two-sided end portions, which pass through an end member of the push-up protection and engage positively in openings of the winding shaft.

In the DE 699 09 153 T2 entitled "Automatic locking for shutters" is such a device for releasably connecting a winding shaft of a roller shutter device with a push-up protection for roller shutters in the form of a wire spring disclosed. Although the push-up safety device and the winding shaft can be connected with the help of the basically advantageous wire spring, in this prior art a claw formed on the push-up safety device is additionally necessary, which additionally engages in an opening of the winding shaft so that a relative displacement in the longitudinal direction of the winding shaft is avoided ,

The object of the invention is therefore to provide a new device for releasably connecting a winding shaft of a roller shutter with a push-up protection, which is cheaper to produce and easier to assemble and disassemble.

• Vorrichtung zur lösbaren Verbindung einer Wickelwelle eines Rollladenpanzers mit einer Hochschiebesicherung, bestehend aus einer langgestreckten Drahtfeder mit beidseitigen Endbereichen, welche jeweils ein Endglied der Hochschiebesicherung durchgreifen und in Öffnungen der Wickelwelle formschlüssig eingreifen, dadurch gekennzeichnet, dass die Drahtfeder zur Vermeidung einer Bewegung in Wickelwellen-Längsrichtung einen zur Wickelwelle gerichteten, zusätzlichen Verriegelungsvorsprung aufweist, der in eine weitere Öffnung der Wickelwelle ragt.

The solution of the problem results from the features of the following claim 1:

• Device for detachably connecting a winding shaft of a roller shutter with a push-up protection, consisting of an elongated wire spring with double-sided end regions, each pass through an end member of the push-up protection and positively engage in openings of the winding shaft, characterized in that the wire spring to prevent movement in the winding shaft longitudinal direction has a winding shaft directed to the additional locking projection which projects into a further opening of the winding shaft.

The device according to the invention for the detachable connection of a winding shaft of a roller shutter with a push-up protection, has the significant advantage that it is formed exclusively of the wire spring, which prevents due to their design automatically after the attachment and a translational movement of the closure member on the winding shaft.

This cost-effective design of the wire spring, it is possible to enable by means of the ergonomically simple manner wire spring a full-scale attachment of the push-up protection on the winding shaft. Advantageously, the position of the locking projection is adapted to the distances of the openings in the winding shaft.

In an advantageous embodiment, the device according to the invention has a device for releasing the wire spring from the locking position, which engages under the wire spring from the locking position with an actuating nose and manually applies a force to unlock the wire spring.

The means for releasing the wire spring may be formed as a rocker-like device for releasing, which opposite to a pivot axis has a finger actuating surface and an actuating projection. In this rocker-like device, it is also possible in a very simple manner to engage under the wire spring near the locking projection and to bring by pressing the finger operation surface, the wire spring from the locked state to the unlocked state.

In a particularly preferred embodiment of the rocker-like device has these Achsvorsprünge which can be latched in a corresponding recess of the end member of the push-up device.

It is also possible that the device comprises a trained as a wedge slide means for releasing, which engages under the wire spring and generates a unlocking force by a movement transverse to the longitudinal extent of the wire spring.

• 1 eine Wickelwelle mit Hochschiebesicherung sowie Vorrichtung zur lösbaren Verbindung einer Wickelwelle mit einem Rollladenpanzer in Explosionsdarstellung,
• 2 Darstellung von Wickelwelle und Hochschiebesicherung gemäß 1 in montiertem Zustand,
• 3 eine Explosionsdarstellung des Endglieds der Hochschiebesicherung, der Drahtfeder sowie der wippenartigen Einrichtung zum Lösen,
• 4-6 Schnittdarstellungen der Wickelwelle sowie des Endgliedes der Hochschiebesicherung während den Einsetzens der Verriegelungsfeder.

Further advantages of the invention will become apparent from the description of the following embodiment. Show it:

• 1 a winding shaft with push-up protection and device for releasably connecting a winding shaft with a roller shutter in exploded view,
• 2 Representation of winding shaft and push-up protection according to 1 in assembled condition,
• 3 an exploded view of the end member of the anti-push device, the wire spring and the rocker-like device for releasing,
• 4-6 Sectional views of the winding shaft and the end member of the push-up protection during insertion of the locking spring.

In the drawings is a device for releasably connecting a winding shaft 11 for a roller shutter 12 by means of a Lift device 13 formed as an elongated wire spring with the reference numeral 10 designated.

The aforementioned wire spring 10 used to attach the dashed roller shutter shown 12 by means of the push-up protection 13 on the winding shaft 11 , as in the exploded view according to 1 to recognize.

The push-up protection 13 becomes one from the winding shaft 11 directed end member 14 , three pontics 15 and one to the roller shutter 12 directed end member 16 formed below the end member 16 a spring tab 17 it can be seen, in the assembled state, centrally in the individual limbs 14 . 15 . 16 the push-up protection 13 is threaded.

In addition, between the end member 14 and the top pontic 15 a rocker-like device 18 for releasing the wire spring 10 to recognize from the locked state.

Ultimately, the winding shaft 11 at certain intervals longitudinal slots 19 on, in the manner described below, the attachment of the anti-lift device 13 on the winding shaft 11 serve.

In the 2 is the in 1 shown assembled in exploded view device to be recognized.

It can be seen that the roller shutter 12 by means of the push-up protection 13 and with the help of the wire spring 10 in longitudinal slots 19 the winding shaft 11 is arranged.

In the 3 is also in exploded view only the end member 14 the push-up protection 13 , the wire spring 10 and the rocker-like device 18 shown.

The rocker-like device 18 indicates a finger action area marked Push 20 and wave-like axle protrusions 21 on, the pivoting of the rocker-like device 18 around a pivot axis x serves around. On the other side of the pivot axis x is the rocker-like device 18 with an actuating projection 22 provided with the wire spring in the mounted state 10 under attack and a solvent power can be applied.

The end member 14 is with an installation space 23 for the reception of the rocker-like device 18 provided and extends in the locked state to below the wire spring 10 , On both sides of the limitation of the installation space 23 this is opposite with recesses 24 for the axle protrusions 21 the rocker-like device 18 Provided.

Ultimately, the arrows show F the mounting direction when inserting the wire spring 10 for the purpose of combining high security 13 and winding shaft 11 on.

In the 4 to 6 are sectional views through the winding shaft 11 , the final member 14 and the rocker-like device 18 and the wire spring 10 shown.

In the 4 you can see the wire spring 10 , contrary to the direction of movement y a hook-shaped, first end portion 25 with a slight bend at the free end towards the winding shaft 11 and in the direction of movement y a second end area 26 having. The second end area 26 the wire spring 10 is on the one hand with a significant bend in the direction of the winding shaft 11 , then with a horizontal course and finally turn at the free end with a slight bend towards the winding shaft 11 Provided.

The end-side bends of the two end regions 25 . 26 the wire spring 10 serve for easier threading of the wire spring 10 in the longitudinal slots 19 the winding shaft 11 ,

Between the two end areas 25 and 26 is the wire spring 10 with a to the winding shaft 11 directed locking projection 27 provided, whose to the first end area 25 directed flank 28 at an angle α of nearly 90 degrees to the other course of the wire spring 10 is arranged. This embodiment serves to ensure that after insertion of the wire spring 10 the flank 28 safely frictionally engaged at the boundary of the longitudinal slot 19 the winding shaft 11 or the end member 14 is applied.

Ultimately one recognizes one of winding shaft 11 and end member 14 together formed recording room 29 for the locking projection 27 as well as in the direction of movement y to the left of the recording room 29 the actuating projection 22 the rocker-like device 18 ,

In the 5 is the first step towards attaching the wire spring 10 in the longitudinal slots 19 the winding shaft 11 shown. It can be seen that the hook-shaped end portion 25 already partially the winding shaft 11 and the end member 14 engages below.

By another movement of the wire spring 10 in the y direction and a slight bend in the end area 26 in the direction of the winding shaft 11 also engages under the second end 26 a longitudinal slot 19 the winding shaft 11 and finally the locking projection snaps into the jointly formed receiving space 29 from end member 14 and winding shaft 11 a (s. 6 ).

The result is thus by means of the wire spring 10 the end member 14 and thus also the entire push-up protection 13 as well as the roller shutter armor 12 firmly attached to the winding shaft in all directions 11 arranged.

Only by pressing the finger actuation surface 20 can easily by means of the actuating projection 22 the necessary release force for the wire spring 10 are generated when the connection of winding shaft 11 and push-up protection 13 to be solved.

LIST OF REFERENCE NUMBERS

10

wire spring

11

winding shaft

12

Roller curtain

13

Lift device

14

End link (directed to the tank)

15

between members

16

End link (directed to the tank)

17

spring shackle

18

rocker-like device

19

Longitudinal slots of 11

20

Finger actuation surface

21

Achsvorsprünge

22

operating projection

23

Installation space in 14 For 17

24

Recesses for 21

25

hook-shaped first end region

26

second end area

27

locking projection

28

flank

29

accommodation space

x

Pivot axis of 17

F

Direction of movement wire spring

α

Angle between flank 28 and wire spring 10

y

Direction of movement of the wire spring 10

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• DE 69909153 T2 [0002]

Claims (6)

Device for the detachable connection of a winding shaft (11) of a roller shutter shell (12) with a push-up safety device (13), consisting of an elongated wire spring (10) with end sections (25, 26) on both sides, each of which has an end member (14) of the push-up safety device (13) engage through and engage positively in openings (19) of the winding shaft (11), characterized in that the wire spring (10) to avoid movement in the winding shaft longitudinal direction to the winding shaft (11) directed, additional locking projection (27) which in a further opening (19) of the winding shaft (11) protrudes. Device after Claim 1 , characterized in that the position of the locking projection (27) is adapted to the distances of the openings (19) in the winding shaft (11). Device after Claim 1 or 2 , characterized in that the device comprises means for releasing the wire spring (10) from the locking position, which engages under the wire spring (10) from the locking position (27) with an actuating nose and manually applies a force for unlocking the wire spring (10). Device after Claim 3 , characterized in that the device comprises a rocker-like means (18) for releasing, which opposite to a pivot axis (x) has a finger actuating surface (20) and an actuating projection (22) which engages under the wire spring (10). Device after Claim 4 , characterized in that the rocker-like device (18) axle projections (21), which in corresponding recesses (24) of the end member (14) of the push-up device (13) can be latched. Device after Claim 3 , characterized in that the device comprises a trained as a wedge slide means for releasing, which engages under the wire spring (10) and by a movement transversely to the longitudinal extent of the wire spring (10) generates an unlocking force.

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