EP1431488A1 - Concealed Hinge - Google Patents

Abstract

A hidden hinge for a window or door has the fixed frame (14) fitted with on hinge plate (10) with a first axis (26) and the movable frame fitted with a second hinge plate (16) with a second axis (28) parallel to the first axis. The two axes are linked by a connecting lever (24) and with a leaf spring connecting the two pivots to drive the connecting lever into an extended position when the door/window is opened. This allows the movable frame to swing fully open without snagging the fixed frame. The ends of the leaf spring are bent over to locate in radial slots in the two mountings.

Description

The invention relates to a concealed tape for wing elements rotatably mounted in a frame like doors and windows, with one that can be attached to the frame first band element, one on a frame of the wing element attachable second band element and with one of the two Band elements connecting gear, which is preferably a coaxial aligned with the axis of rotation of the wing element, with the first band element connected first axis and a coaxial aligned with the axis of rotation of the wing element, with the second band element connected second axis, wherein the band elements and / or the axes are coupled to one another in motion and the two band elements by means of one on each of the band elements rotatably pivoted pivot lever together are connected.

Usual tapes are on the outside of the frame and visibly screwed on the casement.

A volume is known from EP 0 789 124 A2, which in the frame can be installed and thus when closed Wing element is not visible. The used here The hinge consists of rigid elements. For its attachment in the frame or in the wing element are extensive Milling work in the rebate space of the frame is necessary so that it to weaken the glare or sash profile comes.

Another hidden band is for example known from DE 19900438 C1. There is a gearbox on this belt provided that the sash opens when opening, so that it is not pivoted against the frame can be. This exhibition is through a movement coupling between the axles and a swivel lever that reached connects the two band elements together.

In this prior art, the motion coupling with tension elements in the form of steel cables, chains or toothed belts reached. These tension elements wrap around the axes, where, for example, the effective diameter of an axis twice the effective diameter of the other axis is. This will result in a gear ratio of two to one reached, the opening of the casement or of the swivel lever by 180 ° when the sash moves around Is pivoted 90 °.

The elements used for power transmission in the transmission can only be loaded on train, whereby they are affected by the tensile stress acting on them Lengths over time. You must therefore wear parts be viewed to maintain a flawless Function of the transmission under certain circumstances Time need to be exchanged. Installation also requires such tension elements a considerable effort.

The invention has for its object a tape Specify the type mentioned at the outset without milling the frame profiles can be assembled, easy to manufacture and a longer one with improved operational safety Has lifespan.

In the case of a tape of the type mentioned at the beginning, Task achieved in that for coupling motion the band elements or the first and second axes a spring element arranged between them is provided.

In contrast to the state of the art, power transmission between the band elements or axes in Principle related to spring element that does not change in length a suitable, dimensionally stable spring steel. This does the motion coupling of the gearbox on this Way housed within the profiles in the rebate can be done without the wing element closed from the outside to be visible. Furthermore, the assembly of the invention Tapes significantly simplified and also needed no time-consuming and complex adjustment work.

Because an elongation or change in shape of the spring element excluded during normal operation, it cannot wear out and above all an exhibition of the wing element Ensure reliable when opening.

The spring element is particularly easy to manufacture, if it is designed as a leaf spring.

If the spring element is designed so that it in different First and second ends bent over has, which in engagement grooves of the band elements or Axes can intervene by simply inserting them into the mentioned Grooves can be assembled during the manufacture of the tapes.

The engagement grooves formed in the band elements or axes can run in the radial direction of the axes, so that on the one hand a secure fit of the spring is guaranteed and on the other hand the forces to be transmitted are tangential to Attack the circumference of the belt elements or axles. This is the smooth movement of the gearbox is guaranteed and the The sash can be opened when you open it with little effort become.

So that the belt elements or the axes with the help of the gear even easier or easier in the desired way can be coupled, in this embodiment of the Invention the bent ends of the spring element in each other offset levels on the circumference of the band elements or the axes that have an offset angle between them form. This offset angle is advantageously the Levels between 30 ° and 60 °, especially around 45 °. hereby the sash is opened when opening so that he cannot collide with the frame. With this The swivel lever will be offset by 90 °, for example swung out when the sash element and frame are opened by 45 ° becomes. With an opening angle of 90 °, this is aligned Frame hinge with the swivel lever, which is in this position is pivoted through 180 °. Depending on the choice of the offset of the spring ends the operation of the gearbox can be controlled. If the offset of the mentioned levels is over 45 °, the sash or the swivel lever can be rotated by more than 180 ° or 90 ° open.

It is also possible in this way, the opening angle limit the wing element to less than 90 °. To do this selected an offset of the planes that is less than 45 °.

The band elements, each on the frame or on Can be attached to the frame of the wing element advantageously correspond to the contour of the respective profiles. This allows them to be attached to the frame.

To simplify assembly or to adapt to different profiles, it is advantageous if the Band elements one each to the profile of the frame or of the wing element have screwable plate.

Furthermore, it is provided that the first axis and / or the second axis through with the first band element or bolts or bolt sections connected to the second band element are formed.

It is namely self-evident in the sense of the invention it is also possible to use stub axles instead of continuous axles or insert bolts that are used in corresponding Bores of the band elements or the pivot lever arranged are. The mode of operation of the gearbox is thereby in none Way influenced.

Advantageously, the band is made of cast, press cast or Forgings.

Fig.1

die Anordnung und Lage eines erfindungsgemäßen Bandes bei geschlossenem Flügelrahmen;

Fig.2

das Band gemäß Figur 1 bei einer Öffnungsweite des Flügelrahmens von 45°;

Fig.3

die Lage des Bandes gemäß Figur 1 und 2 bei einem Öffnungswinkel des Flügelelementes von 90°;

Fig.4

einen Schnitt durch einen Schwenkhebel mit einem an den Bandelementen versetzt angreifenden Federelement; und

Fig.5

eine Explosionsdarstellung der Einzelteile des Bandes gemäß Fig.1 jeweils in drei Ansichten.

Further features and advantages of the invention result from the following description of several exemplary embodiments and from the drawings to which reference is made. Show it:

Fig.1

the arrangement and location of a band according to the invention with the casement closed;

Fig.2

the band of Figure 1 with an opening width of the casement of 45 °;

Figure 3

the position of the band according to Figures 1 and 2 with an opening angle of the wing element of 90 °;

Figure 4

a section through a pivot lever with an offset on the band elements engaging spring element; and

Figure 5

an exploded view of the individual parts of the band according to Figure 1 each in three views.

Several exemplary embodiments are described below with reference to FIGS. 1 to 5 a concealed hinge 1 for doors or window described in more detail. The same refer here Reference numbers to the same technical terms, provided nothing else is stated.

The band 1 shown in Figures 1 to 3 consists of other from a first band element 10, which with the help of a Screw 12 attached to the profile of a frame 14 in the rebate is.

A second band element 16 is with the help of another Screw 18 also in the rebate on the frame 20 of a wing element 22 attached. The two band elements are 10.16 connected to each other via a gear 24. This gear 24 consists of a first axis 26 which is coaxial to the axis of rotation of the wing element 22 sits in the first band element 10, and a second axis 28, which is also coaxial with the axis of rotation of the wing element 22, but in the second band element 16 is arranged. The first and second axes 26 and 28 are rotatably connected to one another by means of a pivot lever 30, the first band element 10 and the second band element 16 and the first and second axes 26 and 28 by an in 4 spring element 32 are coupled in motion. The two band elements 10 and 16 are each via the first and second plates 48 and 50 with the frame 14 and the frame 20 connected.

In the illustration according to FIG. 1, the wing element 22 closed. The band elements 10 and 16 and the pivot lever 30 are in a parallel to each other Position, the wing element 22 and the frame 20th the bands 10.16 and the pivot lever 30 covered so that they are not visible from the outside.

When opening the casement 22 by 45 °, this causes between the band elements 10 and 16 acting spring element 32 a pivoting of the pivot lever 30 by 90 °, so that the wing element 22 is issued to the outside and a touch prevented between the wing member 22 and the frame 14 becomes. This is shown in Fig.2.

As can be seen from Fig. 3, when opened again of the wing element 22 of the pivot lever 30 through the transmission 24 pivoted through 180 °, so that the wing element 22 around the effective length of the pivot lever 30 issued to the outside Has.

4 shows the arrangement of the band elements 10 and 16, the axes 26 and 28, the pivot lever 30 and the spring element 32 in a situation that illustrates the situation with the wing element 22 closed according to FIG. 1. The gear 24 of the band 1 is therefore by the spring element 32 motion-coupled. This creates the possibility to accommodate the tape 1 within the profile, without being visible from the outside. When opening the wing element 22 it is made possible by the gear 24 that the frame 20 or the wing element 22 not with the frame 14 collides. Band 1 swings out of its rest position 180 ° to the open position. The tape 1 preferably has the coaxial to the pivot axis of the wing element 22nd arranged and connected to the band elements 10 and 16 first and second axes 26 and 28.

These axes 26 and 28 or the corresponding band elements 10 and 16 are therefore by means of this spring element 32 motion-coupled. The motion coupling allows the Swiveling the wing element 22 simultaneously issuing to realize.

The pivot lever 30, which is between the frame 20 and the Frame 14 is arranged, therefore allows the exhibition of the wing element 22. By the spring element 32, the is firmly guided in the pivot lever 30, and firmly in the first Band element 10 and stored in the second band element 16 is causing a translation between the band elements 10 and 16 is generated.

The translation is due to the arrangement of the spring element with respect to the axes 26 and 28 or the band elements 10 and 16 determined.

The spring element 32 points in different directions curved first and second ends 34 and 38 on that in radial to the axes 26 and 28 formed engagement grooves 36 and 42 intervene. The first end associated with the first axis 26 36 is bent so that it points away from the first axis 26, while the second end 38 associated with the second axis 28 is bent such that it faces the second axis 28. there is the left area 40 of the spring element 32 in FIG partially circular and thus there on the outer contour the band element 16 adapted, the remaining area is substantially rectilinear except for the first end 36.

First and second levels 44 and 46, respectively, in which the engagement grooves 36 and 42 are formed at an angle α offset. By this offset from z. B. 45 ° results the previously described mode of operation of the transmission 24 for Issue the wing element 22, in this case a transmission with the ratio of 2 to 1.

5 shows another embodiment in an exploded view of volume 1 shown. Here are the Individual parts, if necessary, each shown in three views. Starting in Fig. 5 on the left is the first one Band element 10 shown. This band element 10 is about first plate 48 connected to the frame 14. This first Band member 10 also receives the first axis 26 which then the first band element 10 with the one subsequently shown Swivel lever 30 rotatably connects. This axis is 26 supported at the corresponding ends with bushings 52.

The pivoting lever 30 points to the one shown on the right in FIG End recordings for the second axis 28. The second axis 28 connects the pivot lever 30 to the second Band element 16. The second band element 16 is again over a second plate 50 is connected to the frame 20. This too Axle 28 is supported at its ends in bushings 52.

A cover 54 also shown in FIG. 5 is like this attachable to the pivot lever 30 that that as stated above arranged spring element 32 is covered.

According to the invention there is therefore a concealed band indicated that always with simple technical means Ensuring a wing is safely exhibited and at the same time both the manufacturing and the assembly effort significantly reduced.

LIST OF REFERENCE NUMBERS

1

tape

10

first band element

12

screw

14

frame

16

second band element

18

screw

20

frame

22

wing element

24

transmission

26

first axis

28

second axis

30

pivoting lever

32

spring element

34

first bent end

36

engagement

38

second bent end

40

Area

42

engagement

44

first floor

46

second level

48

first plate

50

second plate

52

Rifle

54

cap

α

offset angle

Claims (10)

Concealed hinge (1) for sash elements (22), such as doors and windows, which are rotatably suspended in a frame (14), with a first hinge element (10) which can be fastened to the frame (14), one on a frame (20) of the sash element (22 ) attachable second hinge element (16) and having a gear (24) connecting the two hinge elements (10, 16), which preferably has a first axis (26) which is aligned coaxially to the axis of rotation of the wing element (22) and is connected to the first hinge element (10) and has a second axis (28) aligned coaxially to the axis of rotation of the wing element (22) and connected to the second band element (16), the band elements (10, 16) and / or the axes (26, 28) being coupled to one another in motion and the two Band elements (10, 16) are connected to one another by means of a pivot lever (30) which is rotatably articulated on each of the band elements (10, 16), characterized in that for coupling the movement of the band elements (10, 16) or the first and second Axes (26, 28) a spring element (32) arranged between them is provided. Belt according to claim 1, characterized in that the spring element (32) is designed as a leaf spring. Band according to one of claims 1 or 2, characterized in that the spring element (32) has bent first and second ends (34, 38) which engage in engagement grooves (36, 42) of the band elements (10, 16) and the axes ( 26,28) intervene. Belt according to claim 3, characterized in that the engagement grooves (36, 42) run in the radial direction of the first axis (26) or the second axis (28). Belt according to one of claims 1 to 4, characterized in that the first and second ends (34,38) of the spring element (32) in mutually offset planes (44,46) on the belt elements (10,16) or the axes (26,28), which form an offset angle (α) between them. Belt according to claim 5, characterized in that the offset angle (α) of the planes (44, 46) is between 30 ° and 60 °, in particular approximately 45 °. Hinge according to one of claims 1 to 6, characterized in that the hinge elements (10, 16) have a contour which can be screwed into the profile of the frame (14) or of the wing element (22). Hinge according to one of claims 1 to 7, characterized in that the hinge elements (10, 16) each have a plate (48, 50) which can be screwed onto the profile of the frame (14) or the sash element (22). Belt according to one of claims 1 to 8, characterized in that the first axis (26) and / or the second axis (28) by means of bolts or bolt sections connected to the first belt element (10) or to the second belt element (16) are formed. Belt according to one of claims 1 to 9, characterized in that it consists of cast, die-cast or forged parts.

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