DE3416784A1 - Door leaf with aligning device - Google Patents

Abstract

A door leaf is described, which contains an aligning device for plane aligning, for example after warpage caused by weather, which device works reliably with the most simple construction, can be actuated conveniently and is constructed in such a compact manner that it can be sunk into the door leaf invisibly from outside. To this end, the aligning device, which consists of a tensioning rod and a threaded counterpiece which can be screwed to the tensioning rod, is inserted into a longitudinal slot incorporated into the frame stay of the door. The tensioning rod is secured against twisting by a projection projecting in a recess in the door. The threaded counterpiece is held rotatably, but secured against longitudinal movement, in an upper journal which likewise extends in a recess in the door. The upper side of the threaded counterpiece has screw driving surfaces which are accessible through the longitudinal slot from the upper side of the door. According to whether the spacing of the two fixed bearings formed by the projection on the one hand and the journal on the other hand is shortened by screwing the threads present on the tensioning rod and on the threaded counterpiece into one another or is lengthened by unscrewing, corresponding compressive or tensile forces are transmitted to the adjacent wood fibres ofthe door, as a result of which a compensation of the warpage is achieved.

Description

Description Door leaf with a straightening device

The invention relates to a door leaf with a straightening device as explained in the preamble of claim 1 Art.

A straightening device used for leveling warped door leaves is from DE-OS 2 819 373 and the associated Additional application, DE-OS 3 047 535, is known.

The known device is designed as an adjustment fitting that is used during manufacture or afterwards on the External surfaces of the door is applied. The tendons of those embodiments that are used both for Stekken and are also suitable for compressing the adjacent wood fibers, consists in a first embodiment from the externally threaded rod, one connected to the upper fixed bearing, from the threaded end the rod penetrated sleeve and two counter-threaded cross-hole nuts at both ends of the Sleeve. Should be the side of the door on which the adjustment fitting

seated are stretched, so first the cross-hole nut facing the end of the tension rod is a piece screwed from their system to the sleeve. Then the opposite cross hole nut is tightened so that the Tension rod pulled through the sleeve and the distance between the fixed bearings is thus increased. Intended to the side on which the adjustment fitting sits are compressed, the reverse procedure is followed; i.e. it will first loosened the cross-hole nut facing the fixed end of the tensioning rod and tightening the tensioning rod with the the free end facing cross hole nut pulled through the sleeve, so that the distance between the fixed bearings decreased. This embodiment is through

~, 3416784 ir "(τι to operate the large number of necessary handles relatively cumbersome. The principle of action is still not transferable to a clamping device that is to be installed in the interior of a door, since the cross-hole nuts to operate at least over a large part of their circumference and Must be freely accessible over the entire adjustment range, and the upper cross-hole nut can be inadvertently unscrewed and lost.

Another embodiment described in the additional application, which should be suitable for stretching and compressing at the same time, this function can not or just meet poorly. The actuator of this embodiment consists of the one provided this time with an internal thread Rod, a threaded ring and a sleeve firmly connected to the threaded ring and the fixed bearing, as well as an Allen screw protruding through the sleeve and screwed into the threaded ring and the pull rod. Against the Statements in this additional application cannot solve the problem set with this exemplary embodiment will. The Allen screw will only screw into the pull rod until its head is on top the sleeve is seated. When turning the screw further, the screw is only tightened without any tensile force being exerted on the Rod can be applied. When screwing back, the screw turns out, whereby the distance between the threaded ring and the rod remains the same, so that here, too, no force is applied to the pull rod can be. If you continue turning, there is also the risk that the Allen screw will be unscrewed from the pull rod is and has to be laboriously threaded again for a new screwing process, since the rod only is held by the opposite fixed bearing.

The invention is based on the object of a straightening device acting on a frame strut of a door leaf designed in such a way that, with the simplest structure, they

works casually, can be operated comfortably and is so compact that it is invisible from the outside into the Door leaf can be sunk.

The problem is solved by the characterizing features of the main claim.

The unit constructed according to the invention from the tendon and the fixed bearing is strong enough on the one hand to absorb the compressive forces that occur without buckling On the other hand, it is small enough to accommodate the relatively weak frame of a normal room door can be found without obstructing the internals for the lock and the hinge fittings. The straightening device can still be operated without any problems, without the risk of the pull rod jamming or inadvertently detach individual parts from the device.

^ ^u In the embodiment according to claims 2 and 3, the tensioning member according to the invention is particularly inexpensive to manufacture, since a commercially available head screw, for example an Allen screw, can be used.

° In the embodiment according to claims 4 to 6 can the thread point can be arranged at any height, e.g. in the middle of the door.

The design of the bearing pin for the second fixed SQ bearing according to claim 7 causes a secure mounting of the counter-threaded piece.

In the embodiment according to claim 8, the bearing pin can are jammed in the recess.

An alternative embodiment of the journal that is particularly easy to manufacture, describes the claim

Claim 1o describes a particularly advantageous, simple but nevertheless effective embodiment of the first Fixed camp.

The design of the first fixed bearing according to claims 11 and 12 effectively protects the door against damage with stronger faults.

The embodiment according to claim 13 ensures that the tension rod only move in the desired manner can.

Exemplary embodiments of the invention are explained in more detail below with reference to the drawings. Show it:

1 shows the front view of a door leaf according to the invention,

FIG. 2 shows the top view of FIG. 1,

Fig. 3 the section III / III from Fig. 1 with only one

schematically drawn straightening device,

Fig. Λ the exploded view of a first embodiment of the invention

Straightening device,

FIG. 5 shows the collet from FIG. H, which forms the lower fixed bearing,

Fig. 6 half of that forming the upper fixed bearing

Bearing pin from Fig. ^,

Fig. 7 the. exploded view of another Embodiment of the erfindungsge

moderate straightening device.

From Fig. 1 is a designated as a whole with 1 door leaf with a frame consisting of frame struts 2 that meet at right angles, a filling 3 and cover layers 5 arranged on both sides can be seen.

One of the long sides of the door is with the hinge parts 6 and the opposite side with the lock fittings 7. Located along both long edges In each of the vertical frame struts there is a longitudinal slot 8. The longitudinal slot 8 is from the upper one The narrow side of the door leaf 1 is accessible and, as can be seen from FIGS. 2 and 3, from the central plane of the door leaf 1 offset arranged directly under that cover layer, which is the side facing away from the lock case of the frame 2 covered. A recess 9 opens into the longitudinal slot 8 at the top of the door and at the bottom the door a recess 1o. The recesses 9 and Io extend in a direction transverse to the central plane of the door leaf 1, wherein the recess 9 can be designed as a through hole.

As can be seen schematically from FIG. 3, one of the following is in the longitudinal slot 8 and the recesses 9 and 1o inserted straightening devices.

Fig. 4 shows a first embodiment of one according to the invention Straightening device 11. The straightening device

₃ Q device 11 consists of an actuator with a tension rod 12 and a threaded counterpart 13. The tension rod 12 consists of a tube and has an internal thread 14 at one end. The other end of the tension rod 12 has a shoulder 15, which by angling

gg of the lower end of the tie rod 12 is formed. Of the Approach 15 is designed for inclusion in a collet 16 such that the clamping rod 12 is around a loading

wear to the right or left (Fig. 3) can move the sufficient to allow the tension rod to bend to straighten the door. Here is the collet

16 is preferably designed so that the outer end of the extension 15 is held inside and the on the tension rod 12 abutting end of the projection 15 can move up or down. The approach 15 diametrically opposite a spacer 17 is provided on the tension rod 12, which is located on the cover layer 5 supports. The spacer 17 is preferably formed and rounded by bending the tension rod 12, so that it rolls on the cover layer 5 when the tension rod 12 is moved. By supporting the spacer 17 on the cover layer 5, the extension 15 is secured against slipping out of the collet 16 without that the movement of the tie rod 12 is hindered, as would be the case if the tie rod 12 is directly on the cover layer 5 would be supported.

The threaded counterpart is as an Allen screw 13 a cylinder head having the hexagon socket 18. The Allen screw 13 is in a recess 2o of a cylindrical journal 21 received, which consists of two halves 21a and 21b. The recess 2o opens

in each case in the surfaces of the two bearing journal halves 21a which are opposite one another in the assembled state and 21b into a larger recess 22a or 22b. The size of the recess 2oa is the diameter of the threaded shaft the Allen screw 13 adapted. The recess

2ob must be so big that an Allen key

can be easily introduced. The recesses 22 a and 22 b have essentially the same diameter or the same size as the cylinder head 19 der.Imbus screw 13- The sum of the depths of the larger Aus-35

Savings 22a and 22b corresponds essentially to the height of the cylinder head 19 of the Allen screw 13- The

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transition between the larger recesses 22a or 22b to the smaller recesses 2oa and 2ob thus each form a stop surface 23a on the lower journal half 21a or 23b (not shown) on the upper journal half 21b, to which the counter-stop surfaces 24 or 25 formed top and bottom of the cylinder head rest. During installation the Allen screw 13 is first inserted into the recess 2oa of the lower bearing journal half 21a and then

¹ ^ the upper journal half 21b placed so that the larger recess 22b rests on the cylinder head. The bearing pin is now inserted into the recess 9 in the door and secured with a wedge 26. The head 19 of the Allen screw 13 is thus

¹ ^ low stop surfaces 23a and 24 or 23b and 25 set within the bearing pin 21, the hexagon socket 18 being accessible from above through the recess 2ob.

The structural design of the bearing pin 21 and the collet 16 are explained in more detail in FIGS.

Fig. 5 shows the collet 16, which consists of an inner sleeve part 28 and preferably six resilient segments 29 with increasing thickness, which are arranged distributed with mutual spacing on the circumference of the socket part 28 are. The socket part 28 has an inner bore 3o which at least on one side of the socket

° part 28 in an area 3oa approximately the same diameter has, as the approach 15 of the tension rod 12, so that it can be set in the bore 3o. The area 3oa is so narrow that it can just hold the extension 15, the movement of the tension rod 12, however, are as little handicapped as possible. On the other side of the socket part 28, the bore widens

to an area 3ob, so that the approach 15 at Bending of the tension rod 12 can move up or down. The outer circumference of the socket part has

has a conical area that is roughly the same as 5

Has a slope, as also occurs at the segments 29 due to the change in thickness. The segments 29 are arranged with their thinnest ends in the vicinity of the side of the socket part 28 at which the bore area 3oa opens, at the point where the cone area begins. The surfaces of the segments 29 facing the socket part 28 run essentially parallel to the central axis of the socket part 28 in the unassembled state, so that between the conical area and the surface of the segments 29 a direction towards that side of the socket part 28 at which the bore area 3ob opens , steadily increasing gap remains. The segments 29 extend beyond the socket part 28, one segment 29a having a somewhat reduced length and the two adjacent segments 29b being provided with a shoulder 31 extending from the free end of the segments in the direction of the socket. The shoulder reduces the thickness of the segments 29b at their free end, so that additional space is created for the attachment 15 to move. The top surface of the shorter segment 29a is inclined slightly outwards and is located at the level of the shoulder 31 on the adjacent segments 29b. The conically extending outer surfaces of the segments 29 are provided in the region of the socket part 28 with sharp protrusions 32 dig under load ^ ⁰ in the wood of the door and anchor the collet 16 in the recess 1o fixed.

The shortened segment 29a lies in the assembled state at the top, so that the projection 15 can be pushed so far into the socket part 28 that the tension rod 12 rests against the inclined top surface of the shortened segment 29a.

The recess 1o in the frame strut 2 has a diameter which is approximately the diameter of the socket part 28 plus twice the thickness of the segments 29, so that the segments 29 are pressed against the socket part 28 be, resulting in an approximately cylindrical outer shape.

The collet 16 is made of plastic and is in made in one piece in an injection mold. The segments 29 are initially along their thinnest edges connected to the socket part 28 and can thus be easily handled. The connection points act as Breakpoints that break when pushed in the collet 16 in the recess 1o of the cylindrical ο

Area of the socket part 28 in the base of the recess 1o abuts. By further pressure from the outside on the segments 29 these wedge themselves between the socket part 28 and the recess 1o and clamp the socket part 28 firmly. The dimensions of the collet 16 are based on the dimensions of the door, in particular the depth of the recess 1o matched that the thinner ends of the segments in the fully inserted state with the socket part 28 finish flush.

In Fig. 6 one half of the journal 21 is shown. The bearing pin 21 has a substantially cylindrical Shape, with the interface between the two halves in the transverse center plane, so that both halves

th have about the same shape. For reasons of 30

For clarity, therefore, only the bearing journal half 21a is described, with the reference numerals also refer to the upper half of the bearing journal.

In the vicinity of an end face of the bearing journal half 21a 35

is the continuous recess 2oa in the form of a through hole. At the exit point of the

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Through hole 2oa on the curved side of the bearing journal half 21a, a tubular extension 32a is arranged, the inner diameter of which corresponds to the diameter of the Through-hole corresponds to 2oa and ensures better guidance of the Allen screw 13. Of the The separating surface of the journal half 21a extends coaxially with the recess 2oa, the larger recess 22a with the lower stop surface 23a for the lower counter-stop surface 24 on the head 19 of the Allen screw 13. The diameter of the larger recess 22a corresponds approximately to the diameter and the depth approximately half the height of the head 19. The larger recess 22a is for manufacturing reasons to the adjacent Front side open, but this has no effect on the function. From the opposite of the recess 2oa End face extends a slot 3 ^ a in the journal half 21a. The slot 34a has beveled Paragraphs 35a, which form a support surface for the clamping wedge halves 26a, b. The only out For technical reasons, paragraphs 35a arranged with interruptions can also run around the Slit 34a be arranged - in each case, however, takes the distance between the surface of the shoulders 35a and the separating surface of the bearing journal half 21a with increasing distance from the face. Each clamping wedge half 26a has a widening shoulder 27a, b at its thickest end on, which protrudes on both sides over the side surfaces of the clamping wedge halves 26a, b and to rest on the rear Paragraphs 35a, b is formed. The side surfaces of the projection 27a, b pointing away from the clamping wedge 26 are bevelled, so that the clamping wedge 26 is able to both the superposed bearing journal halves 21a and 21b as well as the slot 34 of each bearing journal half 21a and 21b to be pressed apart, so that the bearing pin 21 both in the direction of the through hole 2o as well across this in the wood of the recess 9 in the frame

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strut 2 clamped. For better clawing with the Wood is the circumference of each journal half 21a provided with projections 36 which are directed so that the sharp-edged tips of which are pressed into the wood of the recess 9 when the clamping wedge 26 is pressed. Dowel pins 37 and the corresponding dowel holes 38 are arranged on the separating surface of each bearing journal half 21a and 21b, which allow the two bearing journal halves 21a and 21b to be placed one on top of the other with a precise fit. Are there the dowel pins 37 arranged on one side of the longitudinal center line of each journal half 21a and 21b, respectively the fitting bores are arranged opposite one another on the other side of the longitudinal center plane.

Each journal half 21a, b is in the same shape Injected from plastic, wherein the injection mold is expediently designed so that at the same time the associated clamping wedge half 26a, b can also be manufactured. The clamping wedge half 26a, b with the approach is after removal from the mold via thin connecting bridges, which are designed as predetermined breaking points are connected to paragraphs 35a, b, which ensure that the parts are held together during assembly and when hammering in the clamping wedge halves 26a, break.

The clamping wedge 26 can, however, also separately both in Wedges and truncated pyramids can be produced.

During assembly, the Allen screw 13 is first inserted through the recess 2oa of the lower bearing half 21a and screwed into the internal thread 14 of the clamping rod 12 provided with the collet 16 until the Distance between the center lines of the journal 21 and the

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Collet 16 correspond to the distance between the center lines of the recess 9 and 1o in the door. Then the Upper bearing journal half 21b placed and the straightening device 11 in the longitudinal slot 8 or the recesses 9 and 1o of the door inserted. From the back of the door, the clamping wedge 2 is then used as a through hole formed recess 9 knocked in. Then the cover layers 5 are on the door attached. The longitudinal slot 8 remains at the upper end of the door, i.e. at the end of the door adjacent to the pivot 21 open, so that the hexagon socket 18 is accessible from the outside at any time.

From Fig. 7 is a further straightening device according to the invention 39 can be seen. The straightening device 39 consists of a tension rod in the form of a first partial rod and a threaded counterpart in the form of a second partial rod 41. The first partial rod 4o again instructs one end of which has an internal thread 42, the other end of the first partial rod 4o likewise becoming an approach is angled. The second partial rod 41 has at one end a threaded bolt 44 which is inserted into the internal thread the first partial rod 4o can be screwed in.

The other end of the second partial rod 41 has a hexagon socket worked into the end face 45 provided for a screwdriver. In the vicinity of the end provided with the hexagon socket 45 second part of rod 41 are an upwardly pointing stop surface 46 and a downwardly pointing stop surface 47 provided. The stop surfaces 46 and 47 are defined by the boundary surfaces of a circumferential groove 48 formed. In the assembled state, the stop surfaces 46 and 47 lie on stop surfaces 49 and 50 of one Journal 51 on. The bearing pin 51 has one extending from one of its end faces Cross slot 52, the width of which is about the diameter

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the partial rod 41 at the point of the Urafangsnut 48 corresponds. At the opening points of the transverse slot 52, the bearing pin 51 is flattened so far that the distance of the counter stop surfaces 49 and 5o corresponds approximately to the distance between the stop surfaces 46 and 47.

During assembly, the bearing pin 51 is first inserted into the recess 9 to form the second fixed bearing inserted that its transverse slot 52 is aligned with the longitudinal slot 8 of the door. Then the two part rods 4o and 41 screwed together with their threads 42 and 44 until the angled end 43 to form of the first fixed bearing in the recess 1o and at the same time the Urafangsnut 48 in the transverse slot 52 fits.

Then this is made up of the two partial rods 4o and 41 Tensioning member inserted into the longitudinal slot 8 and the longitudinal slot 8 with the adjacent cover plate covered. The longitudinal slot 8 remains at the upper end, i.e. at the end of the door adjacent to the pivot 51

2 ^ open, so that the hexagon socket 45 from the outside at any time is accessible.

Depending on the direction of warpage of the door leaf 1, the door can now be stretched with the aid of the straightening device 11 or 39 or be compressed. The threaded counterpart rotates, i.e. either the Allen screw 13 or the second partial rod 41, within the bearing journal 21 or 51; however, is against axial displacement the stop or counter stop surfaces secured. the The change in length caused by the interlocking or twisting apart of the two threads is caused by the approach 15 and the collet 16 or the shoulder 43 and the bearing pin 21 or 51 transferred to the door frame. Is the door leaf with the side under which the straightening device is convex, the threads are screwed into one another, i.e. the distance between

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the upper and lower fixed bearing shortened. The adjacent wood fibers are compressed; the door thus straightened. If the door is curved to the other side, i.e. concave, the thread will be unscrewed apart so that the distance between the upper and lower fixed bearing increases; the wood fibers are stretched.

In practical operation it was found that in this way warpage of the order of magnitude of approx. Allow 8 mm to be leveled out in the middle of a normal door in such a way that the door is full and tight again all around rests against the frame.

It has been found to be useful to provide a straightening device in each of the two longitudinal struts of the frame. Smaller distortions can, however, also be compensated for with just one straightening device in the longitudinal frame strut carrying the lock. The straightening device * ® can, if necessary, also be arranged in one or in both cross struts of the frame.

The design of the straightening device is not on the described and drawn embodiments

^ ° restricted. So the bearing pin 21 of the straightening device 11 not only be formed in the form shown, but also, for example, in one piece, with the Recesses 2o and 22 are arranged in a slot extending from the end face. Also are the tubular lugs 32 are only required where the guidance by the bearing pin itself is not sufficient. In particular, the upper tubular extension 32b is only provided for reasons of cost the upper and lower journal halves 21a and 21b can be manufactured in the same shape. The slot 3 * f for the clamping wedge 26 is also not essential necessary. The clamping wedge 26 can furthermore be formed in one piece. The collet 16 is used to

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anchoring and protecting the recess Io in the door. It can be omitted where the wood uer door is strong enough to withstand the movement of the approach 15 when straightening without damage. The threaded counterpart can also be a commercially available hexagon socket screw or, if necessary, be made separately.

The straightening device 39 from FIG. 7 can also be used a correspondingly designed collet for the Approach ^ 3 can be used. Furthermore, the lower Part of the rod can be provided with a threaded bolt and the upper part of the rod with the internal thread. The approach

, _ 43, like approach 15, for example on-Ib

be welded or screwed on. The stop surfaces on the rotatable part rod can also be provided as thickenings, in which case the transverse slot of the bearing pin must have a width corresponding to the diameter of the part rod. The bearing journals may further comprise from Fig. ¹ I apparent form. The contact surfaces for the screwdriving tool at the upper end of the partial rod can also be designed, for example, as an external hexagon.

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Claims (5)

Claims Door leaf with a straightening device Door leaf, consisting of a frame, a filling and cover layers, and with one on at least one Frame strut attacking straightening device, with a first and a second fixed bearing on the Frame strut and a tendon arranged outside the center plane of the door, with the help of which the distance between the fixed bearings can be changed, with one end of the clamping member having one connected to the first fixed bearing and provided with a thread at its other end Has tension rod and a threaded counterpart with engagement surfaces for a screwdriver, thereby characterized in that the tension member can be inserted into a longitudinal slot (8) in the frame strut (2) is that the first fixed bearing contains a shoulder (15, 43) on the tensioning rod (12, 4o), which in a first recess (1ο) opening into the longitudinal slot (8) protrudes in the frame strut (2), and that the second fixed bearing contains a bearing pin (21, 51) which is inserted into a second in the longitudinal slot (8) opening recess (9) in the frame strut (2) can be inserted, the bearing pin (21, 51) having a with the longitudinal slot (8) aligned, continuous recess (2o, 52) for receiving the with the attack surfaces (18, 45) for the screwdriver provided threaded counterpart (13, 41) and a lower and an upper stop surface (23, or 49, 5o) has, each at a lower and an upper counter-stop surface (24, 25 and 46, 47) on the Threaded counterpart (13, 4i). 2. Door leaf according to claim 1, characterized in that g e k e η η that the threaded counterpart as an in the internally threaded tension rod (12) screw-in head screw (13) is formed, the head (19) of which the counter-stop surfaces (24, 25) forms. 3. Door leaf according to one of claims 1 or 2, characterized characterized in that the tension rod (12) is tubular gg 4. Door leaf according to claim 1, characterized in that the threaded counterpart is flat if designed as a tension rod, so that the tension member has an upper and a lower part of the rod (4o, 41) contains. ρ- 5. Door leaf according to claim 4, characterized in that the upper and the lower Counter stop surface (46, 47) of the second part of rod (41) through the boundary surfaces of a circumferential groove (48) are formed. 6. Door leaf according to one of claims 4 or 5, characterized in that the the extension (43) facing away from the end of the first partial rod (4o) with an internal thread (42) and that _1C - the end of the second partial rod (41) facing away from the engagement surfaces (45) for the screwing tool is provided with a threaded bolt (44). 7. Door leaf according to one of claims 1 to 6, characterized marked that the bearing pin (21) of the second fixed bearing is designed in two parts, and that the recess has a through hole (2o) is. 8. Door leaf according to claim 7, characterized in that the bearing pin (21) has a slot (3 ¹ O, in which a clamping wedge (26) can be received. ^ _n 9 door leaf according to one of claims 1 to 6, characterized in that the recess (52) of the bearing pin (51) of the second fixed bearing is a transverse slot (52) extending from the end face into the bearing pin (51). 1o. Door leaf according to one of Claims 1 to 9, characterized in that the first fixed bearing through the protruding into the recess (1o), angled end (43) of the tension rod (4o) formed is. 11. Door leaf according to one of claims 1 to 1o, characterized in that in the Recess (1o) a bearing element (16) for receiving the extension (15) is arranged, wherein the Bearing element (16) a movement of the extension (15) at least in the longitudinal plane of the door leaf. 12. Door leaf according to claim 11, characterized in that g e k e η η jg shows that the bearing element is designed as a collet (16). 13. Door leaf according to one of claims 1 to 12, characterized marked that the «Ο Ver. The tension rod (12) with a spacer (17) can be seen that in the vicinity of its end provided with the projection (15) and the projection (15) substantially is arranged diametrically opposite.