EP0741222B1 - Adjustable door hinge - Google Patents

Description

The invention relates to an adjustable hinge according to the preamble of claim 1. Such a hinge is from the patent EP 0 249 945 A is known.

Door hinges are located on almost every door in a building and serve for rotating suspension and storage of the door in an associated Door frame.

The door is usually suspended with the help of two generally identical, at the top and bottom of the door and the associated door frame attached door hinges, each of which from a first lower frame-side holding element, a second door-side upper holding element and one of the two holding elements connecting bolt element is formed. The bolt element is inserted from below into the lower frame-side holding element or pressed in and protrudes upwards from the lower holding element out. The lower holding element usually still has two lying parallel in one plane and radially laterally from the lower one Holding element protruding spigot by two corresponding Holes in the door frame are added to the Attach the holding element to the door frame. The upper, door-side Holding element has a blind hole that the from the lower Holding element protrudes other end of the bolt member and thereby for a rotatable radial bearing of the upper Holding element ensures. The due to the weight of the door Required male storage is usually done on top of each other opposite end faces of the upper and lower holding element, which slide on each other when the door is inserted. At the top Retaining element is a radially outward extending Threaded pin formed, which when assembling the door in a associated threaded hole formed in the door is screwed in. This ensures that the distance between the door and the upper holding element and thus the distance between the door and Door frame by screwing the upper holding element in or out is adjustable in the door.

A disadvantage of the side, hereinafter also referred to as radial Adjusting these conventional door hinges is that for everyone Adjustment process the door must be completely unhooked to the Threaded pin of the upper holding element in the associated threaded hole to be able to turn the door.

EP 0 300 292 A1 describes one which is both height and side adjustable Door hinge, in the upper holding element on the door side a radial bore is formed in which a bolt-shaped one Threaded section and an internal hexagon hole rotatable fastener is rotatably mounted. With this Door hinge is an exact radial adjustment of the door hinge built-in door not possible because of the imperative required mechanical play of the grub screw in the groove the fastener during the adjustment process after loosening the grub screw forcibly shifts the position of the Fastener occur in the through hole. In addition there is a risk that the grub screw due to the high shear forces is deformed especially with heavy doors, whereby it then forcibly when tightening the grub screw a radial displacement of the bolt-shaped fastening element comes in the through hole.

A hinge is known from EP 0 249 945, which is at the top Holding element a threadlessly connected to this Guide pin and an additional one parallel to the first pin in a radial through bore of the holding element rotatably held has second threaded pin. By turning the threaded pin in the through hole can therefore with the door installed Distance between the upper holding element and the door, or the Door frames can be changed. There is no information about this in the Scriptures made like the threaded pin in the radial direction in the through hole of the holding element is fixed. From the drawings is only removable that the threaded bolt within the holding elements have an annular thickening that fits into one in each Through hole engages formed groove. A disadvantage of this tongue and groove connection it is that the upper holding element around the Threaded pin can turn freely. This leads to that always turn the upper holding element to the side when hanging the door and therefore must be held in place by hand to the upper Holding element at all on the bolt element of the hinge to be able to put off. The installation of one with such door hinges equipped door is therefore not by one person alone or only with great skill feasible.

The conventional door hinges also offer no way axial distance between the lower holding element and the upper Holding element and thus the distance between the lower edge of the door and the floor or the threshold (hereinafter also referred to as "height of the Door ") in a simple way to change. A change of the paint distance between the upper and lower holding element can only be achieved with conventional door hinges in that one or more between the upper and the lower holding element Washers can be positioned that are one of the desired Distance change must have the appropriate thickness. For installation These washers require you to completely close the door each time remove and then reinstall. In addition, it is with the previous ones described door hinges not possible the distance between the two holding elements smaller than that due to the immediately adjacent Holding elements to choose predetermined minimum distance and thereby the distance between the bottom edge of the door and the Reduce flooring. A reduction in the distance between the flooring and the bottom edge of the door, however of particular interest if, for example, a later applied thicker carpet is removed to one the wooden floorboard underneath can be used as a step. In this case arises between the bottom edge of the door and the Wood flooring inevitably a gap, which is approximately the thickness of the removed carpet and corresponds unhindered by the draft can step through.

FR 21 84 130 shows a height-adjustable hinge consisting of a lower holding element with an internal thread through hole formed therein, an upper holding element with one in it trained blind bore and a bolt element, which a Thread section and an adjoining smooth-walled has a cone-shaped section. The threaded section of the bolt element is in the internal thread through hole of the lower Screwed holding element and has one on its front side Slit for receiving the blade of a screwdriver, with which the bolt element through the internal thread through hole can be rotated with the door installed to adjust the door height. To secure the bolt element against accidental Twisting is a grub screw in the threaded hole from below screwed in to form a counter screw. This in This way height adjustable door hinge has the disadvantage that on the one hand for each adjustment process, first the grub screw from the internal thread through hole has to be turned out to do that Then turn the bolt element with a screwdriver can.

The door hinge described in EP 0 249 945 has height adjustment the door in its lower holding element one with an internal thread provided blind hole in which the threaded section of the the two retaining elements connecting bolt element is screwed. The bolt element has a locking means for in the middle Tool, e.g. a wrench with which a height adjustment can be done from the side when the door is installed. To do that To secure the bolt element against twisting is on it Threaded section a lock nut screwed on by twisting in the direction of the lower holding element to tension brings about between the lower holding element and the bolt element.

The door hinge according to EP 0 249 945 has height adjustment have the disadvantage that to adjust the same when installed Door a total of two adjustment tools are required. With one Adjustment tool must be made after setting the desired door height the bolt element to be fixed in position, then with the other adjustment tool to tighten the lock nut. Will the Lock nut, however, tightened without the bolt element through another tool is fixed in its position, this turns Bolt element due to the weight of the door in the Threads of the lock nut caused clamping and Frictional forces as well as the downward rotation of the bolt element supporting weight of the door with the lock nut, whereby the door lowers and the previously set door height again is adjusted. Furthermore, the use of a lock nut leads to that between the fully screwed bolt element the minimum and maximum distance resulting from the upper and lower holding element Thickness of the lock nut is reduced, so the door by this value can be lowered less far.

The object of the invention is to solve a door hinge create, which can be produced inexpensively, simply set up and which is a simple, exact and secure page as well Height adjustment of a door enables.

This object is achieved according to the invention by the features of Claim 1 solved.

Further features of the invention are in the subclaims contain.

The invention has the particular advantage that the for the adjustment work on the door required a fraction of the time Reduced time with conventional, non-adjustable and only by twisting the entire upper holding element removed door radially adjustable door hinges is required. This is due to the fact that both the radial (lateral) adjustment as also the axial (door height) adjustment of the door using the Door hinges according to the invention can take place with the door installed and a time-consuming, exhausting and sometimes repeated Removing and reinserting the door is not necessary. Thereby can be used especially in large buildings with numerous doors significant labor and cost savings can be achieved. In addition, when using the inventive Door hinges the advantage that a height and side adjustment of the door now also by less skilled people or by People can be carried out to get out and Lifting a heavy door required physical strength can't muster. In particular, with the invention Door hinge a highly precise radial and / or axial positioning of the door in the door frame in a simple way even if the Manufacturing tolerances of the individual parts for reasons of cost savings are comparatively large in the manufacture of the door hinge.

Fig. 1

eine Querschnittsansicht eines erfindungsgemäßen axial- und radial verstellbaren Türbandes, bei dem das untere Halteelement und das obere Halteelement in dichtem Abstand zueinander angeordnet sind (geringer Abstand zwischen Türunterkante und Boden),

Fig. 2

eine Querschnittsansicht des erfindungsgemäßen Türbandes von Fig. 1, bei dem das untere Halteelement und das obere Halteelement im großem Abstand zueinander angeordnet sind (großer Abstand zwischen Türunterkante und Boden).

The invention is described below with reference to the drawings using preferred embodiments as examples. Show in the drawings

Fig. 1

2 shows a cross-sectional view of an axially and radially adjustable door hinge according to the invention, in which the lower holding element and the upper holding element are arranged at a close distance from one another (small distance between the lower edge of the door and the floor),

Fig. 2

a cross-sectional view of the door hinge according to the invention of Fig. 1, in which the lower holding element and the upper holding element are arranged at a large distance from each other (large distance between the bottom edge of the door and the floor).

The adjustable according to the invention shown in Figures 1 and 2 Door hinge 1 consists of a first, lower holding element 2, a second, upper holding element 4, one holding elements 2 and 4 together connecting bolt element 6 and a bolt element 6 in first holding element 2 against rotation or screw Securing element 8.

The first, lower holding element 2 has a through hole 10 with an internal thread 12, preferably cylindrical Base body 14. The base body 14 has at least one, preferably however, as shown in Figs. 1 and 2, two cone-shaped, radial outwardly extending fasteners 16a and 16b, which in corresponding holes of the not shown in the drawings Door frames are used and for a firm connection between Ensure the holding element and door frame.

The connecting the two holding elements 2 and 4 together Bolt element 6 has a first one, with an external thread 32 provided end portion 30 which in the internal thread 12 Through hole 10 of the first holding element 2 is screwed. The bolt element 6 also has a second, preferably smooth-walled End section 34, which is used to support the second holding element 4 serves.

In the preferred embodiment of the invention, this Bolt member 6 between the first end portion 30 and the second End portion 34 has a third portion 38 which is one in proportion to sections 30 and 34 has different diameters. The The diameter of this third section 38 is preferably selected such that that he the outer diameter of the second holding element 4 and / or corresponds to the outer diameter of the first holding element 2. The However, the diameter of the section 38 can also be larger or smaller to get voted.

At section 38 there is a direction towards second end section 34 preferably annular end surface 40 formed together with an opposite, provided on the upper holding element 4 annular end face 23 an axial bearing for receiving the axial Forces formed by the weight of the door from the second Holding element 4 are transferred to the first holding element 2. in the Section 38 may also be formed recesses 42 into which a Tool, e.g. a screwdriver, nail, mandrel etc. can be inserted can to the bolt element 6 in the holding elements 2 and 4 in one or turn in the other direction and thereby the distance to change between the two holding elements 2 and 4. The Recesses 42 are preferably at equal intervals around the Perimeter of section 38 arranged around. Instead of However, the section 38 can also have recesses 42 in relation to one another have parallel opposite circumferential surfaces, similar to that Head of a machine screw, so that the bolt element 6 with the help of a conventional wrench can be turned. Rotation of the bolt element 6 to adjust the height of the door can also also with the help of a slot or cross slot or in otherwise shaped recess 35 and a corresponding Tools (e.g. a screwdriver), which are located in an am first end section 30 of the bolt element 6 formed end face 33 can be located.

To add another unintentional after adjusting the height of the door Twisting the bolt element 6 and thus an undesirable To prevent height adjustment of the door, the internal thread 12 the through hole 10 of the first holding element 2 from the first end section 30 opposite side from an external thread 60 screw element 8 as securing means are screwed in together with the first end section 30 forms a twist-proof lock screw connection. The screw element 8, as shown in Figures 1 and 2, e.g. a grub screw be a recess 64, for example in the form of a slot or has a hexagon hole. The screw element 8 however, it can also be in any other way, e.g. than conventional ones Machine slot or Phillips screw etc. may be formed. Furthermore, the pin element 6 can be secured against rotation the first holding element 2 by securing means in the form of a Figures 1 and 2, not shown, in the base body 14 of the first Holding element 2 at the level of the first end portion 30 radially screwed screw element through which the first End section 30 in the through hole 10 of the first holding element 2 is clamped.

In the preferred, shown radially and axially in Figures 1 and 2 adjustable embodiment of the invention is the upper Holding element 4 from a cylindrical base body 20, in which a first axial bore 22 for receiving the second end portion 34 of the Bolt element 6, a second axial internal threaded bore 125 for Inclusion of a securing element 131 and a third, between the axial holes 22 and 125 arranged radial through hole 129 for receiving a peg-shaped fastening element 124 are formed.

The first axial bore 22 can, for example, as in FIGS. 1 and 2, as a blind bore with a bearing surface 46 formed therein be trained, the latter together with the opposite End face 44 of the bolt element 6 an axial bearing for receiving the in acting in the axial direction of the weight of the door. The bore 22 however, can also be used as one with the radial through bore 129 Corresponding bore must be formed so that the axial bearing the door only via that on the base body 20 of the upper holding element 4th formed annular end face 23 and the associated one on section 38 of the bolt element 6 formed annular end face 40 takes place. The axial mounting of the second holding element 4 and the bolt element 6 can thus either alone over the end faces 23 and 40, alone over the end faces 44 and 46 or both over the End faces 23 and 40, as well as over the end faces 44 and 46 done together.

In the internal thread of the second axial bore 125 is a screw Secured element 131 screwed in, for example as in Figures 1 and 2 shown as a cylinder screw (DIN 912) with a Hexagon socket head 133 or not as one in the figures illustrated stud screw (DIN 915) can be formed. In the preferred embodiment of the invention has the securing element 131 has a pin-shaped projection 135, which at screwed securing element 131 into the radial through hole 129 stretched in.

The radial through bore 129 has a section larger Diameter 137, which is advantageously conical in a second Section of smaller diameter 139 merges. In the through hole 129 the peg-shaped fastening element 124 is inserted, the first smooth-walled, the sections 137 and 139 of the Through hole 129 adapted section 141 and a second, in a, not shown, formed in the door or the door frame Has bore screw-in threaded portion 143. In the preferred embodiment of the invention is approximately in the middle of the Section 141 of the fastener 124 formed a groove 145 into which the pin-shaped projection 135 of the securing element 131 engages. The depth of the groove 145 is selected so that it is almost complete screwed securing element 131, the fastening element 124 by the projection 135 engaging in the groove in the through hole 129 is clamped so that the fastener 124 in radial and axial direction is fixed. In a not shown Embodiment, the groove 145 V-shaped side walls, and the protrusion 135 has a corresponding conical shape.

However, the groove 145 and the projection 135 engaging in it are for Fixing the fastener 124 is not absolutely necessary. So it can be used for fixing the Fastener 124 may already be sufficient if a Fastening element 124 with a grooveless first section 141 as well a simple, not having a pin-shaped projection 135 Machine screw can be used as securing means 131.

To adjust the door radially when installed, is in the embodiment shown in Figures 1 and 2 Invention the securing means 131 solved so far that the fastener 124 is freely rotatable in the through hole 129, the cone-shaped projection 135 still engages in the groove 145. Subsequently, the fastener 124 with the help of a Screwdriver or an Allen key and an associated, formed on the end face of the fastener 124 slot-shaped recess or hexagon hole 147 as long twisted until the desired radial distance between the top Holding element 4 and the door, or the door frame is set. After that the securing means 131 is tightened again around the fastening element 124 to fix, ie. to tighten.

In the preferred embodiment of the invention, these are Securing means 131 and the fastening element 124 of the upper holding element 4 and the screw element 8 in the lower holding element 2 uniform hexagon holes or uniform slot-shaped Provide recesses so that they have only one only Allen key can be adjusted. Can continue the recesses 42 in the bolt element 6 as bores be formed, the diameter of which is the same size as the rest Has hexagon holes, so that the entire hinge is axial and can be adjusted radially with one and the same tool.

The adjustable hinge shown in Figures 1 and 2 will advantageously in the combination according to the invention shown there of height-adjustable lower holding element 2 and radially or laterally adjustable upper holding element 4 used. However, it is also possible, the lower holding element 2 according to the invention with a conventional upper holding element, as well as the upper inventive Holding element 4 with a conventional, not height-adjustable to combine the lower holding element.

The dimensions of the lower and upper holding elements 2, 4 are preferably chosen so that its outer diameter, the diameter of fasteners 16a, 16b and 124 and the axial length of the top Holding element 4 with the standard dimensions of a conventional one (non-adjustable) door hinge match. The axial length of the lower holding element 2 and the position of the fastening means 16a and 16b on the base body 14 of the first holding element 2 are preferably like this chosen that in one to about half or up to three-quarters in the internal thread 12 of the through hole 10 is screwed in Bolt element 6 just opposite the built-in door in one position the door frame and / or the floor is that position corresponds to that with conventional, non-adjustable door hinges provided door in its basic setting.

There is also the possibility of the first holding element 2 on the door and to arrange the second holding element 4 on the door frame, i.e. the first Holding element 2 and the second holding element 4 to be interchanged.

The holding elements 2 and 4 and the bolt element 6 are preferred made of metal, e.g. Iron, steel, brass, aluminum etc. can be made however, either partially or entirely from another Material, for example plastic.

Claims (10)

1. An adjustable hinge plate (1) with a first retaining element (2) on the door frame comprising a bore (10) with an internal thread (12) formed therein and first fastening elements (16a, 16b), with a second retaining element (4) on the door comprising a bore (22) and second fastening means (124), with a pin element (6) - for connecting the first and second retaining elements (2, 4) - which extends into the bore (22) of the second retaining element (4) and into the bore (10) of the first retaining element (2) and which comprises a first end portion (30) provided with an external thread (32) and capable of being screwed into the internal thread (12) of the bore (10) of the first retaining element (2) and a second end portion (34) mounted rotatably in the bore (22) of the second retaining element (4), as well as with a securing means (8) for preventing the pin element (6) from turning in the bore (10) of the first retaining element (2), wherein the pin element (6) comprises a third portion (38) of equal or larger diameter which is situated between the first end portion (30) and the second end portion (34) and in which are provided recesses (42) which, when the door is fitted, allow the pin element (6) to turn with the aid of a tool engaging viu the recesses (42), characterized by a securing means (8) capable of being screwed into the bore (10) of the first retaining element (2) constructed in the form of a through-bore, and a radial through-bore (129) which is provided in the second retaining element (4) and in which a substantially pin-shaped second fastening means (124) comprising a threaded portion (143) and rotatable by way of engagement means (147) is held in a rotatable manner, wherein, in addition, the second retaining element (4) has provided therein a threaded bore (125) into which a securing element (131) for fixing the second fastening means (124) can be screwed.
2. A hinge plate according to Claim 1, characterized in that the through-bore (129) comprises a portion of larger diameter (137) and a portion of smaller diameter (139) adjoining it.
3. A hinge plate according to Claim 2, characterized in that the portion of larger diameter (137) passes in a conical manner into the portion of smaller diameter (139), and the second fastening means (124) comprises a portion (141) adapted to the portion of larger diameter (137) and the portion of smaller diameter (139).
4. A hinge plate according to one of Claims 1 to 3, characterized in that a groove (145), into which the securing element (131) extends, is formed in the second fastening means (124).
5. A hinge plate according to Claim 4, characterized in that a pin-shaped projection (135), which is adapted to the shape of the groove and which engages in the groove (145) of the second fastening means (124), is formed on the securing element (131).
6. A hinge plate according to Claim 5, characterized in that the lateral walls of the groove (145) are made substantially V-shaped, and the projection (135) has a conical shape adapted to the V-shape.
7. A hinge plate according to one of the preceding Claims, characterized in that the recesses (42) are arranged at equal intervals around the periphery of the portion (38).
8. A hinge plate according to one of the preceding Claims, characterized in that the diameter of the third portion (38) essentially corresponds to the external diameter of the retaining elements (2, 4).
9. A hinge plate according to one of the preceding Claims, characterized in that the securing means (8) is formed by a headless screw.
10. A hinge plate according to one of the preceding Claims, characterized in that the first retaining element (2) on the door frame and the second retaining element (4) on the door are exchanged with each other.

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