ES2335419T3 - BEARING FOR WINDOWS, DOORS AND SIMILAR. - Google Patents

Abstract

The bearing (2) has two bearing parts (5, 6), and a control plate rotatably connected with the bearing parts. The control plate is narrowed along a guide (9) and is movable relative to the bearing parts. The guide has a curved shape and as a connecting link. A rotatable sliding unit is provided in the guide and is connected with the control plate. The sliding unit has two parallel contact surfaces, which rests against inner walls of the guide. An independent claim is also included for a window or door comprising a bearing.

Description

Bearing for windows, doors and the like.

The invention relates to a bearing for doors, windows or the like with a first and a second part of bearing and a control plate that is rotatably connected with a bearing part and can be moved in a limited way with with respect to the other bearing part along a guide.

In case of hidden window fittings, doors or similar, with or without flap, the weight of the sheet must be supported by hidden hardware. In addition, in particular in the case of windows, doors or similar with flap, to open the leaf first it must be separated from the fixed frame, so that it is not produce a collision between the flap and the recessed frame during the opening of the leaf. For hidden hardware only available limited mounting space In this narrow space it has to provide a scissors geometry that allows separation of the sheet.

For example, document DE 8516 560 U1 has given to know a separation device for window sheets, doors or the like, presenting the separation device a short connecting rod, which has a joint in each of its ends, and a long connecting rod, which also has joints in its ends The short connecting rod is connected with the fixed frame to through a joint and is attached to the sheet with a second joint. The long connecting rod is also coupled with the fixed frame through a joint and is attached to the sheet through its other joint A long connecting rod joint and a Short connecting rod joint are attached with a rail bearing to be fixed in the fixed frame by screws, which is fixed parallel to the plane of the fixed frame on the peripheral surface of the board of this one. The other joints of the short connecting rod and the long connecting rod are connected to a retention rail that is attached to the peripheral surface of the sheet gasket, also parallel to its plane. Some joints are configured  merely as rotating joints, while others are configured as pivot pivot support.

Other scissor geometries are also known which have fewer components, in which a control board is arranged displaceably at least with one end with respect to to a bearing part.

US 1920 898, discloses all characteristics indicated in the preamble of the claim one.

The objective of the present invention is to perfect a bearing so that it can be produced with small dimensions and that with a small constructive size can bear the load of the blade.

This objective is met according to the invention. by means of a bearing with the characteristics indicated in the claim 1. Said features mainly allow Make a very small scissor.

The guide is configured as a slide in which is guided by a sliding piece, with at least one section, rotatably connected to the control board. A slide is a Especially simple configuration of a guide. Can be formed in particular as a recess or die cut in the part of bearing. Since the sliding part is arranged so swivel on the control board, always maintained correctly oriented on the slide during the separation movement or opening. In addition, this allows the control board also perform a turning movement with respect to the second bearing part

According to the invention, it is provided that during operation at least one lateral support surface of the sliding part rests superficially on an inner wall of the slide. If a force acting on the control plate through the scissors in a direction transverse to the main plane of the frame is too large, for example due to a heavy blade or a small construction size of the bearing, it is advantageous that the sliding part does not only rely on the slide in a timely or linear manner, as would be the case, for example, in the case of a piece
Round, but rather superficially. In this way the wear can be considerably reduced.

Preferably, the guide is curved in direction to the other bearing part. In one embodiment Especially preferred, the guide is configured as circular trapezoid The bearing can be configured as a, as well called, axial bearing or as corner bearing. A bearing axial serves for the connection of the frame and the leaf in an area upper frame and corner bearing serves for connection of the frame and the leaf in a lower area of the frame. Especially in case of a configuration like corner bearing, the first and the second bearing part may be arranged so rotating each other.

Particularly preferably, the piece Sliding features two parallel support surfaces that are they rest on the interior walls of the slide. In this way, the Sliding piece has two parallel support surfaces that are they rest on the curved slide. To do this, on the one hand you can think about giving the sliding piece the same geometry as the slide. This would mean that the support surfaces of the Sliding piece present in advance the same curvature as the interior surface of the slide. However, in case of a large radius of the slide and a small circle segment in the Sliding piece, the correct mounting position is hardly recognizable. If the sliding part does not have surfaces of support curved correspondingly to the slide, but before everything has an elongated shape with lateral surfaces essentially straight, at the beginning (immediately after assembly) the sliding part rests only on two points in the curve (inner wall) with the largest radius and only at one point in the opposite side. In a bearing installed at the upper end of the frame (axial bearing), the sliding part is subjected to a higher load on the support surface facing the radius more Large slide. Instead, if the bearing is installed below (corner bearing), the opposite bearing surface is subject at a higher load. The sliding part and the slide are preferably configured such that the distance between the Sliding piece and the slide is so small that the shapes of its surfaces adapt after a few movements, leaving a superficial support for later operation.

Compared to a linear support, a support superficial has the disadvantage of presenting a larger surface of friction It is therefore advantageous that the surfaces of sliding part contact and guide are adapted to each other to reduce friction to a minimum, in particular that at least support surface material of the sliding part and the inner wall material of the guide are adapted to each other to minimize slip friction. For example, the inner wall of the slide, or the entire bearing part that It includes the slide, it can be made of steel. The surface of support of the sliding piece, or the entire sliding piece, can be made of bronze, brass, ceramic or sintered material. Be understand that also the support surface of the sliding piece It can be made of steel and the inner wall of the slide It can be made of one of the other materials. In addition, the surfaces may be coated with Teflon.

The assembly of the sliding part is facilitated if The sliding part has a symmetrical configuration with with respect to its central longitudinal plane. In this way, the assembler Do not pay attention to their orientation.

In this context it is advantageous to choose the relationship between length and width such that the piece Slider can only be mounted on the guide in two or four positions. In this way, the sliding part is mounted correctly automatically, which allows to reduce considerably expenses and mistakes. This is excluded the possibility of erroneous assemblies and the waste resulting from they. The sliding part can be configured for example with essentially rectangular shape, particularly square.

If the cross section of the slide is configured in a staggered manner or as a slotted groove ensures that the sliding part cannot be removed from the slide by carelessness. As an alternative, it can be foreseen that the piece Sliding present a projection that grabs the edge of the slide behind. The sliding part can be fixed to the plate control via suitable fixing means, for example with rivets

Preferably, the control board has a corner fitting housing, in particular a bolt of support. This allows the weight of the sheet to be transmitted to the plate I send. The control board is supported in turn on a part of bearing configured as support plate and, consequently, transmit the load to the support plate. The scissors geometry is preferably choose in such a way as to produce the greatest Possible overlap of the control board and support plate. From this way, the bending moments that occur are kept in small values

If a load absorbing device is provided oriented downwards a compact construction of the bearing. This load absorbing device has the advantage of which must not be housed in the board game area Between the frame and the sheet.

In an embodiment especially preferably, a bearing part is configured as a plate support and a bearing part is configured as a plate base that can be fixed in a frame, presenting the base plate at least a part of the load absorption device. Preferably, the base plate has an oriented sleeve downwardly in which a bolt of rotating is arranged support plate support facing down. Through this arrangement, the bending moment generated can be transmitted by the load plate to the bushing through the support bolt. The Load plate is fixedly connected with the support bolt. He bushing, which is fixedly connected to the base plate, serves as a counterport for the moment of bending generated, which is transmitted through the support plate and the support bolt. He bushing and support bolt constitute a joint swivel In this way the rotating union of the first is performed and the second bearing part. The distances between the bolt of bracket, control plate and support bolt influence shape decisive at the moment of bending generated. Therefore, said distances must be as small as possible to maintain the bending moment at the lowest possible value. The forces generated They are transmitted to the base plate through the bushing. The plate  of base transmits the forces to the embedded frame through the screws The length of the bushing and the support bolt influences in the forces acting on the base plate. Therefore, said lengths must be chosen accordingly to achieve a sufficient load absorption.

It also falls within the scope of the invention. a window, a door or the like, with a fixed frame and / or at least a blade, which includes at least one bearing as described more above.

Other features and advantages of the invention they follow from the following description of examples of embodiment of the invention with reference to the figures, which show essential details of the invention, and of the claims.

In the drawings they are represented schematically preferred embodiments of the invention which are described in more detail below with reference to The figures of the drawings. In the drawings:

Figure 1 shows a representation in perspective of a lower corner area of a frame and a sheet which are connected through a bearing according to the invention.

Figure 2 shows a representation of the Figure 1 without leaf.

Figure 3 shows a representation in perspective of a bearing according to the invention.

Figure 4 shows a representation of partial exploded view of the bearing.

Figure 5 shows a plan view of the lower part of the bearing.

Figure 6a shows a plan view of a sliding piece

Figure 6b shows a view of the piece sliding from below.

Figure 6c shows a sectional view of the sliding piece along the line VIc - VIc of the figure 6b

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Figure 1 shows the corner area bottom of a window. A fixed frame 1 configured as a frame recessed is connected with a blade 3 through a bearing 2. Sheet 3 has a flap 4. Therefore, to open the sheet 3, first of all this has to be separated from frame 1. This is possible thanks to bearing 2.

The bearing 2 includes a first part of bearing 5 configured as the base plate on which it is connected rotatably a second bearing part 6 configured as support plate If bearing 2 is used as an axial bearing, the swivel connection can be released from the first part of bearing 5. A control plate 7 is rotatably connected with the second bearing part 6. The end 8 of the plate knob 7 can be moved with respect to the first part of bearing 5 along a guide 9. Control plate 7 and part of bearing 6 configure a scissors geometry. In the example of embodiment, the scissors geometry is designed in such a way that sheet 3 separates as little as possible and nevertheless form the largest possible opening. To open sheet 3, it is separates from frame 1 just what is necessary so that it does not occur no collision between flap 4 and frame 1.

The first bearing part 5 is screwed in frame 1. On sheet 3 a corner fitting 10 is provided with which the sheet 3 rests on the control board 7.

The representation of figure 2 corresponds essentially to that of figure 1, except that it no longer shows the sheet 3. Instead, a support bolt 15 can now be seen attached to the control plate 7, which constitutes a hardware housing of corner and on which the corner fitting 10 can be accommodated. second bearing part 6 also has at its free end a bolt 16 entering the bottom of the sheet 3 or one piece of ironwork arranged in it. The weight of sheet 3 is transmitted to the support bolt 15 through corner fitting 10. The bolt of support then transmits the weight to the control board 7. The plate of control 7 is located on the second bearing part 6 and, in Consequently, it transmits the load to the second bearing part 6. The scissors geometry has been chosen in such a way that when the blade 3 is open there is the greatest possible overlap of the plate of control 7 and the second bearing part 6. Accordingly, the Bending moment generated remains at a low level.

In the representation of the bearing 2 of the figure 3 it can be seen that the guide 9 is curved. In particular, the guide 9 is curved towards the second bearing part 6. The Guide ends 9 delimit the movement of the control board 7 with respect to the first bearing part 5. The first and the second bearing part 5, 6 together form a first load absorbing device 20. For this, the first part of bearing 5 has a bushing 21 that extends downwards and into which a support bolt 22 is fixedly attached with one end of the second bearing part 6. The second part bearing 6 transmits to bushing 21 through the support bolt 22 the bending moment generated under the weight of the separated sheet. The bushing 21 serves as a back support for the bending moment generated, which is transmitted through the second part of bearing 6 and support bolt 22. Bushing 21 and bolt support 22 constitute a rotating joint. The strengths generated are transmitted through socket 21 to the first bearing part 5. This transmits the forces to frame 1 through of the bolted joints. Since the absorption device of load 20 protrudes downwards, in particular entering the frame, bearing 2 takes up little space in the play area of the meeting.

In the partial exploded representation shown in figure 4 the support bolt can be better recognized 22 that can be inserted in the 21 socket. In this representation it can also be seen that guide 9 has a curved configuration The control board 7 and the first part of bearing 5 are joined together in the area of the guide 9 and the opening of passage 25 through a sliding piece 30 described in detail below.

Figure 5 shows a view of the bearing 2 from below. Guide 9 is configured as a slide whose Edge is staggered. In guide 9 it is arranged so a sliding piece 30 that establishes the connection with the control plate 7. For this purpose, as a fixing means, it is provided a sliding rivet 31 that joins the sliding piece 30 so swivel with the control plate 7. The fixing means, in particular the sliding rivet, can be considered as a component of the sliding part 30. Thanks to the connection rotating, the slide 30 can be oriented in the guide 9 during movement movements. Guide 9 presents a inner wall 32 with a smaller radius and an inner wall 33 with a major radius Sliding part 30 has two bearing surfaces 34, 35 with inner walls 32, 33 of guide 9. By means of surface support of the sliding part 30 on the walls interiors 32, 33 a good absorption of the forces is achieved They act laterally. Sliding part 30 rests on the steps 36, 37 at least by sections, so that fall through the first bearing part 5.

Figure 6a shows a view of the piece Sliding 30 from behind. Support surfaces 34, 35 still They have not been used. As a whole, sliding piece 30 presents an elongated shape It is symmetrically configured with respect to a central longitudinal plane 40. In Figures 6b, 6c it is possible to note that the slide 30 also has a staggered configuration. It rests with step 41 on the step 36 of the guide 9 and with the step 42 on the step 37 of guide 9. Through the staggered configuration, in each of the two sides can result in two supporting surface sections 34.1, 34.2 or 35.1, 35.2, respectively. All sections of Surface 34.1, 34.2, 35.1, 35.2 can cooperate with sections of corresponding inner wall of the guide 9. However it is also conceivable that for example only the surface sections Support 34.1, 35.1 cooperate with inner wall sections corresponding guide 9.

Claims (12)

1. Bearing (2) for a door window or the like with a first and a second bearing part (5, 6) and a control plate (7) which is rotatably connected with a bearing part (5, 6) and can be moved in a limited manner with respect to the other bearing part (5, 6) along a curved guide (9), the guide (9) being configured in the form of a slide in which a part is guided slide (30), at least with a section, rotatably connected with the control plate (7), characterized in that during operation at least one lateral support surface (34, 35) of the sliding part (30) is supported superficially on an inner wall (32, 33) of the slide. 2. Bearing according to claim 1, characterized in that the guide (9) is configured in the form of a circular trapezoid. 3. Bearing according to one of the preceding claims, characterized in that the contact surfaces of the sliding part (30) and the guide (9) are adapted to reduce friction to a minimum. 4. Bearing according to one of the preceding claims, characterized in that the sliding part (30) has two parallel support surfaces (34, 35) that rest on the inner walls (32, 33) of the slide. 5. Bearing according to one of the preceding claims, characterized in that the sliding part (30) has a symmetrical configuration with respect to its central longitudinal plane (40). 6. Bearing according to one of the preceding claims, characterized in that the relationship between length and width is chosen such that the sliding part (30) can only be mounted on the guide (9) in two or four positions. 7. Bearing according to one of the preceding claims, characterized in that the cross section of the slide is configured in a staggered manner or as a bead groove. Bearing according to one of the preceding claims, characterized in that the control plate (7) has a corner fitting housing, in particular a support bolt (15). 9. Bearing according to one of the preceding claims, characterized in that a load-absorbing device (20) facing down is provided. 10. Bearing according to claim 9, characterized in that a bearing part (6) is configured as a support plate and a bearing part (5) is configured as a base plate that can be fixed in a frame (1), presenting the base plate at least a part of the load absorbing device (20). 11. Bearing according to claim 10, characterized in that the base plate has a bushing (21) facing down in which a support bolt (22) of the support plate facing down is rotatably arranged. 12. Window, door or similar with a fixed frame (1) and / or at least one blade (3), which includes a bearing (2) according to one of the preceding claims.