Retractable Pivot Hinge

Abstract

The present invention relates to a stored pivot hinge (1) for hingeably mounting a door (2) to a door frame. The stored pivot hinge includes a spindle (3), a mating sleeve (4) into which the spindle (3) is fitted so as to be height-adjustable, a socket (5) that can be mounted to be housed in the door frame or forms part of the door frame, and a mounting body (6) for mounting the door (2) by being housed in the door. An end (24) of the spindle (3) is configured to be pulled into the socket (5) using magnetic elements (22, 77) of the spindle (3) and the socket (5), and the mating sleeve (4) is mounted to the mounting body (6) so as to be positionably adjustable in a first direction (X) intersecting a height direction (Z) and so as to be positionably adjustable in a second direction (Y) intersecting both the first direction (X) and the height direction.

Description

[Technical Field]

[0001] The present invention relates to a recessed pivot hinge for hingeably mounting a door to a door frame, the pivot hinge comprising: a spindle having a first end and a second end; a fitting sleeve into which at least a first end of the support shaft is fitted so as to be height-adjustable, and which can be attached so as to be rotatably fixed to the door in order to attach the support shaft to the door; a socket that is mountable to be accommodated in or forms part of the door frame; Equipped with. [Background technology]

[0002] A pivot hinge, in one respect, is a hinge with a spindle in a mating sleeve that is received in either the door or the door frame, and in another respect, is a hinge with a socket (bushing) that is received separately in either the door frame or the door. The spindle may be rotatably received in the socket. The door may be hingedly mounted to the door frame by means of a pivot hinge above the door and a pivot hinge below the door.

[0003] The pivot hinge according to the present invention is arranged above the door, with the mating sleeve of the pivot hinge being accommodated in the door and the socket of the pivot hinge being provided in the door frame. In principle, it is not necessary to provide a separate element as the socket; a hole drilled in the door frame is sufficient.

[0004] Door is understood to mean the combination of the leaf, the door frame (boundary of the door opening) and the door opening. Doors incorporating the hinge according to the invention are also called swing doors or pivot doors. These may be conventional doors, but also folding blinds or folding screens. Door frame is understood to mean the entire boundary of the door opening. Thus, the floor may form part of the door frame that defines the door opening. In the case of a room-high door (a door that abuts the ceiling), the ceiling may form part of the door frame that defines the door opening.

[0005] In many existing pivot hinges, the pivot is fixedly attached to the door or door frame, but the attachment of the door to the door frame, in other words, the fitting of the pivot into the socket, is very complicated in this type of pivot hinge.

[0006] To solve this problem, various pivot hinges exist. In the case of the pivot hinges to which the present invention relates, a mating sleeve is attached to the door or door frame, and a spindle is displaceable in height relative to the mating sleeve. When the door is attached to the door frame by means of such a pivot hinge, a first end of the spindle extends into the mating sleeve and a second end extends into the socket. Known embodiments of such enclosed pivot hinges are described and illustrated, for example, in BE 1020498 A5.

[0007] JP 2002-21411 A and KR 20-2018-0000324 U disclose a non-storage type pivot hinge. The installer operates the door with both hands, assisted by the spindle and the magnetic element in the socket, without the spindle being driven or held. When the door is not yet attached to the door frame, the first end of the spindle fits into the mating sleeve under gravity. At this time, the second end is positioned within the mating sleeve or slightly protrudes relative to the mating sleeve. Once the door is attached to the door frame, the spindle is below the socket, and the magnetic force between the magnetic elements automatically draws the spindle into the socket to fit into it. The first end of the spindle is still positioned within the mating sleeve, but not as far as before. The second end of the spindle is drawn into the socket. In this way, the door is attached to the door frame.

[0008] One problem with existing pivot hinges is that they need to be positioned very precisely. However, over time, swing doors begin to pull and push, which can result in relative movement of house components due to the effects of expansion and / or contraction and / or wear. Applying the solutions of JP 2002-21411 A and KR 20-2018-0000324 U to embodiments of retractable pivot hinges does not solve this problem.

[0009] EP 2208843 A2 proposes a departure from the retractable type with respect to adjustable hinges. Summary of the Invention

[0010] The present invention aims to provide a solution that makes it possible to solve the above-mentioned problems in the form of a housed pivot hinge in a simple manner without great effort.

[0011] The object of the present invention is to provide a retractable pivot hinge for hingeably mounting a door to a door frame, the hinge comprising: a spindle having a first end and a second end; - a fitting sleeve to which at least a first end of the support shaft is fitted so as to be height-adjustable, and which can be attached to the door so as to be rotatably fixed to the door to attach the support shaft to the door; - a socket that can be mounted in or forms part of a door frame; - a mounting body that is housed within the door and that mounts the mating sleeve to the door; Equipped with the pivot includes one or more magnetic elements and the socket includes one or more magnetic elements for attracting the second end of the spindle into the socket using the magnetic elements of the pivot and the socket; The fitting sleeve is attached to the attachment body so that its position can be adjusted in a first direction intersecting the height direction, and is also attached to the attachment body so that its position can be adjusted in a second direction intersecting both the first direction and the height direction. This is achieved by providing a pivot hinge.

[0012] Since the fitting sleeve is adjustable in position in the first and second directions relative to the mounting body, less precision is required while positioning the fitting sleeve, thereby reducing the operation time. Due to the more accurately adjustable position, the spindle can be inserted into the socket more quickly.

[0013] The mating sleeve is adjustable in first and second directions relative to the mount to eliminate clearance caused by relative movement of the house components as a result of expansion and / or contraction and / or wear. The position of the mating sleeve relative to the mount may be readjusted so that the pivot is again properly positioned with respect to the socket to prevent the door from being pulled or pushed.

[0014] For this purpose, the mating sleeve may be mounted on the mounting body so that it is positionable in a first direction and positionable in a second direction by separate linear movements. However, readjustment in the first and second directions does not necessarily have to be effected by separate linear movements in each direction, but may be effected by an omnidirectional movement with subcomponents in both directions. Thus, the mating sleeve may be mounted on the mounting body so that it is adjustable, for example, by a swinging or rotating movement. In another variant, the mating sleeve may be positionable by separate movements in third and fourth directions that do not intersect each other but are different from the first and second directions.

[0015] In a detailed embodiment, the pivot hinge according to the present invention includes a support shaft holder that is adjustably attached to a mounting body, and a fitting sleeve that is adjustably attached to the support shaft holder so as to be attached to the mounting body in a first direction and a second direction.

[0016] Preferably, in this embodiment, the spindle holder is attached to the mounting body so that its position can be adjusted in the first direction, and the fitting sleeve is attached to the spindle holder so that its position can be adjusted in the second direction.

[0017] More preferably, in this embodiment, the support shaft holder is attached to the mounting body so as to be linearly displaceable in a first direction, and the fitting sleeve is attached to the support shaft holder so as to be linearly displaceable in a second direction. The linear displacement in these two directions closes any clearance that may occur, allowing the parts of the pivot hinge to move relative to each other in a more intuitive manner.

[0018] The pivot hinge according to the present invention is further preferably provided with a drive means (actuator). The drive means is provided so that a hand tool can be engaged with the drive means to adjust the position of the mating sleeve relative to the mounting body. For this purpose, the drive means is provided with a drive head for engagement with the hand tool. The drive head is preferably accessible through the top of the door, preferably from both sides of the door. In this case, when the door is mounted on the door frame, there is preferably a clearance of 4 to 8 mm between the door and the door frame.

[0019] Such drive means preferably comprises first drive means configured to displace the mating sleeve in a first direction and equipped with at least one of the drive heads described above, the first drive head preferably protruding at least partially beyond the upper surface of the mounting body so as to allow engagement of a hand tool in a simple manner. More preferably, the drive means is arranged such that the upper surface of the first drive head forms the upper surface of the first drive means and is always maintained at the same height above the upper surface of the mounting body.

[0020] Furthermore, the drive means preferably comprises second drive means configured to displace the mating sleeve in a second direction and comprising a second drive head of at least one of the drive heads described above, the second drive head preferably projecting at least partially beyond the upper surface of the mounting body to allow engagement of a hand tool in a simple manner. More preferably, the drive means is arranged such that the upper surface of the second drive head forms the upper surface of the second drive means and is always positioned at the same height above the upper surface of the mounting body.

[0021] The upper surfaces of the drive heads are always maintained at the same height above the upper surface of the mounting body, thereby reducing the clearance between the door mounted to the door frame by such a pivot hinge. In this embodiment, the remaining drive means may be displaceable within the mounting body, and in that case, these remaining drive means may be displaceable in height as long as their upper surfaces remain at the same height.

[0022] In the embodiment of the pivot hinge according to the invention having the drive means, the mounting body preferably comprises one or more depressions recessed relative to the upper surface of the mounting body. The drive means preferably to It will be placed.

[0023] A portion of these drive means preferably extends outside the one or more recesses so that hand tools can be engaged in a simple manner. By housing a portion of the drive means in the one or more recesses, the clearance between the door mounted to the door frame by such a pivot hinge and the door frame can be further reduced. In this form, the mounting body may preferably be fitted so as to be completely housed in the door to produce a housed pivot hinge, thereby further reducing the clearance.

[0024] More particularly, the drive means may comprise a mounting means (mounting body) which may be displaceable within a corresponding slot to allow adjustable displacement of the mating sleeve within the mounting body.

[0025] In the embodiment including the shaft holder described above, the shaft holder is provided with a slot, the first drive means is provided with first mounting means displaceable within the slot in the shaft holder to allow adjustable displacement of the shaft holder within the mounting body, the shaft holder is further provided with a mating slot, and the second drive means is provided with second mounting means displaceable within the mating slot to allow adjustable displacement of the mating sleeve within the shaft holder.

[0026] By displacing such a mounting element relative to the slot in the spindle holder, it is possible to position the spindle holder in different positions relative to the mounting body in a simple manner, and thus to position the mating sleeve in different positions relative to the mounting body in a simple manner, and therefore to position the mating sleeve in different positions relative to the spindle holder in a simple manner.

[0027] The mounting elements may be realized, for example, by bolts and nuts. The nuts and / or bolts may be manufactured, for example, in the form of guide blocks, which are guidingly fitted into the corresponding fitting spaces to guide the displacement movement of the fitting sleeve relative to the fitting body.

[0028] One or more surfaces of the components of the pivot hinge, such as the mounting body and the pivot holder, which engage with each other with the aid of the mounting element when the position of the mating sleeve within the mounting body is adjusted, are preferably provided with a release structure to prevent undesired relative movement of these components after the position of the mating sleeve within the mounting body has been adjusted.

[0029] Such release structures may be provided, for example, in the form of grooves in such surfaces.

[0030] If a guide block is provided, the surface of the guide block engages with other components of the pivot hinge, such as the spindle holder, when the mating sleeve is adjusted, and the surface of the guide block is preferably provided with a release structure.

[0031] Instead of providing a slot in the spindle holder, a slot may be provided in the mounting body, for example. The mounting means for mounting the spindle holder to the mounting body is displaceably fitted as a drive means for adjusting the displacement of the spindle holder within the mounting body.

[0032] Alternatively, the spindle holder may be provided, for example, as an eccentric piece that is eccentrically and displaceably mounted within the mounting body.

[0033] The second drive means further preferably comprises an adjusting sleeve having an internal thread and functioning as a drive head and a nut. In this case, the mating sleeve is preferably provided with a corresponding external thread and functions as a bolt and a guide block. Here, the spindle holder is preferably provided with a mating slot. The mating sleeve is attached to the adjusting sleeve through the mating slot by means of the mating internal and external threads which engage with each other. The mating sleeve and the adjusting sleeve are adjustable in position relative to the mating slot in the spindle holder.

[0034] In this configuration, the mating sleeve and the adjusting sleeve preferably engage across opposite ends of the mating slot.

[0035] Furthermore, in this embodiment, the support shaft holder is preferably provided in the fitting space, and the fitting sleeve is fitted into the fitting space so as to perform a guiding action as a guide block to guide the displacement movement of the fitting sleeve and the adjustment sleeve relative to the fitting slot and the support shaft holder.

[0036] Here, the mating space may be provided with, for example, an inner collar that forms the above-mentioned end, with which the mating sleeve engages when the mating sleeve is mounted in the support shaft holder with the aid of the adjustment sleeve.

[0037] One or more surfaces of the spindle holder, the mating sleeve, and the adjusting sleeve engage with one another when the mating sleeve is mounted on the spindle holder with the aid of the adjusting sleeve, and such surfaces are preferably provided with release structures to prevent undesired displacement of the mating sleeve and the adjusting sleeve relative to the spindle holder.

[0038] In order to be able to adjust the pivot hinge in a simple manner from both sides of the door, the drive head is preferably arranged centrally between the two long sides of the mounting body of the pivot hinge according to the invention, the first long side being arranged on a first side of the door and the second long side being arranged on a second side of the door.

[0039] The support shaft of the pivot hinge according to the present invention is preferably provided with a permanent magnet as the magnetic element, and the socket is preferably provided with a permanent magnet as the magnetic element.

[0040] Preferably, in this case, to simplify the assembly of the spindle and the socket, the spindle is provided with a single permanent magnet and the socket is provided with a single permanent magnet, during which no cancellation of magnetic forces occurs between the spindle parts or the socket parts.

[0041] Instead of providing both the spindle and the socket with permanent magnets, for example, one of the two may be provided with a permanent magnet and the other of the two may be provided with an element made of a ferromagnetic material, in which case the other of the two (socket or spindle) may be made entirely of such a ferromagnetic material.

[0042] The pivot hinge according to the present invention further preferably comprises fixing means (fixing device) for fixing the spindle to the mating sleeve when the second end of the spindle is pulled into the socket.

[0043] The magnetic coupling between the spindle and the magnetic element of the socket is sufficient to move the second end of the spindle into the socket. With the aid of such a fixing means, it is ensured that the spindle is firmly held in this position even if the magnetic coupling is broken. In this way, it is possible to prevent the spindle from undesirably loosening.

[0044] The present invention will be explained in more detail by the following detailed description of some preferred embodiments of the pivot hinges according to the present invention. The sole purpose of this description is to provide an illustrative example and to show further advantages and features of these pivot hinges, and therefore should not be construed as limiting the scope of application of the present invention or the scope of patent rights defined in the claims.

[0045] In this detailed description, reference numbers are used to refer to the accompanying drawings, in which: [Brief explanation of the drawings]

[0046] [Figure 1] 1 shows a corner of a door fitted with a portion of a pivot hinge according to the present invention. [Figure 2] FIG. 2 is a plan view of a portion of the pivot hinge of FIG. 1; [Figure 3] FIG. 2 is a perspective view of a portion of the pivot hinge of FIG. 1; [Figure 4] 2. FIG. 3 is a cross-sectional view showing the entire cross section of the part of the pivot hinge according to the present invention shown in FIG. 1 taken along line AA in FIG. [Figure 5] FIG. 2 is an exploded perspective view of a portion of the pivot hinge of FIG. 1; [Figure 6] 2 is a perspective view showing a modified example of the pivot hinge according to the present invention, in which the fixing element is modified from the embodiment shown in FIG. 1; [Figure 7] 7 is a perspective view of the pivot hinge of FIG. 6 with the fixing element separated; FIG. DETAILED DESCRIPTION OF THE INVENTION

[0047] The illustrated pivot hinge (1) comprises a pivot (3) on one side and a socket (5) on the other side. A first end (23) of the pivot is fitted in a fitting sleeve (4) fitted to a door (2) so as to be height-adjustable. The socket can be attached to a door frame (not shown).

[0048] The support shaft (3) has a fitting space (21) at the second end (24), and the fitting space (21) has a permanent magnet (22) fitted therein.

[0049] In the socket 5, a second fitting sleeve 78 is provided on a first side within the first fitting space 75, and the second end 24 of the spindle 3 can be fitted into the second fitting sleeve. In the socket 5, a permanent magnet 77 is fitted into the second fitting space 76 on a second side opposite the first side.

[0050] When the spindle 3 is positioned under the mating sleeve 78 of the socket 5, the second end 24 of the spindle 3 is driven into the mating sleeve 78 by the force acting between the pivot 3 and the permanent magnets 22, 72 of the socket 5. To ensure that the spindle 3 is smoothly accommodated in the mating sleeve 78 of the socket 5, the mating sleeve 78 is provided with a guide bevel 79 on the inside, and the second end 24 of the spindle 3 is also provided with a chamfered edge 20.

[0051] To mount the socket 5 on the door frame, the socket is provided with a cylindrical housing 73. The housing 73 has a mounting flange 74 that projects relative to the housing 73. A corresponding space is provided in the door frame by a known method, for example by milling, and the socket 5 is mounted so as to be housed in the door frame.

[0052] As mentioned in the introduction as a simple variant, in principle there is no need to provide a separate element as the socket, but rather a door frame hole can be drilled to act as the socket, in such an embodiment a permanent magnet is provided at the top of this hole.

[0053] In the illustrated embodiment, permanent magnets (22, 77) are provided on both the spindle (3) and the socket (5). Alternatively, for example, one of these two may be provided with a permanent magnet, and the other of these two may be at least partially made of a ferromagnetic material.

[0054] In order to fit the axle (3) into the mating sleeve (4) of the door (2) mentioned at the outset, the pivot hinge (1) is provided with a mounting (6) in the embodiment shown.

[0055] A space corresponding to the mounting member 6 is provided in the door 2 so that the mounting member 6 can be fitted into the door 2 when it is housed therein as shown in Figure 1. In wooden doors 2, blinds or screens, such a space is provided for this purpose. In a similar manner, the pivot hinge 1 according to the present invention can also be applied to a mounting member adapted for mounting on a glass door, in which case a notch is provided in the glass door for the same purpose.

[0056] In the illustrated embodiment, the mounting body 6 includes a mounting base 7 and a mounting plate 8. The mounting base 7 and the mounting plate 8 may be manufactured, for example, from plastic, for example, by injection molding. In the illustrated embodiment, the mounting base 7 includes a protruding flange 36, which includes notches 37 and 38 to form a click-fit slot 37. An edge 80 of the flange 37 is elastically deformable to allow a click-fit engagement with a click-fit foot 43 of the mounting plate 8. Due to the action of the click-fit foot 43 and the click-fit slot 37, the mounting plate 8 may be attached to the mounting base 7 before the mounting body 6 is inserted into the door 2. Once the mounting body 6 is accommodated in the door 2, it may be secured by means of screws 14 inserted through threaded holes 41 in the mounting plate 8 and corresponding threaded holes 38 formed in the flange 36 of the mounting base 7, as can be seen in Figures 1 and 5.

[0057] The mounting base 7 further includes a mating space 31, which accommodates other components of the pivot hinge 1 for mounting the mating sleeve 4 to the mounting body 6. The mounting plate 8 includes a through-opening 40 through which the mating sleeve 4 partially extends after it is mounted to the mounting body 6.

[0058] In the embodiment shown, the bottom of the mounting base 7 is terminated by a bottom portion 32. In a variant, the bottom portion 32 may be omitted.

[0059] A support shaft holder 9 is attached to the fitting space 31 and is positionable in a first direction X within the fitting space 31. The fitting sleeve 4 is attached to the support shaft holder 9 so that its position is adjustable in a second direction Y.

[0060] The shaft holder 9 has a flange 50 for accommodating the shaft holder 9 in the fitting space 31 of the mounting base 7 of the mounting body 6 so that its position can be adjusted in the first direction X. A slot 51 is formed in the flange and extends primarily in the first direction X. A bolt 15 is inserted into a corresponding hole 42 formed in the mounting plate 8, passes through the slot 51 of the shaft holder 9, and is screwed into a corresponding threaded hole 60 formed in the guide block 11. The threaded hole serves as a nut in this case.

[0061] To turn the bolt 15, a hand tool may be used to engage the bolt driver head 84. When loosening the bolt 15, its upper surface 82 is always held flush with the upper surface 81 of the mounting body 6. As a result of the bolt 15 being displaceable within the slot 51 in the first direction X, the guide block 11 moves downward. When tightening the bolt 15, the guide block 11 is again pulled upward, and the flange 50 of the spindle holder 9 is locked between the guide block 11 and the mounting plate 8. To prevent undesired relative movement of these components thereafter, a groove is provided on the upper surface 61 of the guide block 11, and a groove is provided on the upper surface of the spindle holder 9.

[0062] The guide block 11 is fitted so as to perform a guiding movement between the outer guide surface 53 of the spindle holder 9 and the short side surface 35 of the fitting space 31 of the mounting base 7. For this purpose, the guide surfaces 64, 62 of the guide block 11 abut against the guide surfaces 53, 35 of the spindle holder 9 and the mounting body 6, respectively. The displacement movement of the guide block 11 in the first direction X is limited by the curved side surface 63 of the guide block 11 abutting against the corresponding curved side surface 34 of the fitting space 31 of the mounting body 6.

[0063] The shaft holder (9) has a fitting space (45) for attaching the fitting sleeve (4) to the shaft holder (9) so that the position of the fitting sleeve (4) can be adjusted in the second direction (Y). The fitting space has an inner collar (47) defining a passage opening (48). The passage opening (48) extends substantially in the second direction (Y). The fitting sleeve (4) has a cylindrical base body (25) and a flange (26). The base body is configured to extend through the passage opening (48) of the shaft holder (9). The flange protrudes relative to the base body (25) and is configured to engage with the bottom of the inner collar (47). The base body (25) also has an external thread (28), allowing the fitting sleeve (4) to function as a bolt. The adjustment sleeve (10) has a corresponding internal thread (59) and functions as a nut for the bolt. The adjusting sleeve 10 includes a cylindrical base body 54 having an outer flange 55. The portion of the cylindrical base body 54 below the outer flange 55 is configured to engage with the upper side of the fitting space 45 of the shaft holder 9 when the outer flange 55 engages with the top of the upper surface 52 of the shaft holder 9. To enable rotation of the adjusting sleeve 10, the portion of the base body 54 above the flange 55 is configured as a drive head 85. The drive head is provided with a gripping surface 57 for engagement with a hand tool. The fitting sleeve 4 is fitted to the bottom of the fitting space 45 of the shaft holder 9, and the adjusting sleeve 10 is fitted to the top of the fitting space 45. The external threads 28 of the fitting sleeve 4 are threadably engageable with the internal threads of the adjusting sleeve 10, and the fitting sleeve 4 and the adjusting sleeve 10 can be installed in the fitting space 45 by tightening the adjusting sleeve 10. In this case, the flange 26 of the fitting sleeve 4 is provided with a locking surface 27 that engages with the side surface 46 of the fitting space 45 of the shaft holder 9, thereby restricting rotation of the fitting sleeve 4 relative to the fitting space 45. In this way, the fitting sleeve 4 is rotatably fixed to the shaft holder 9.When the adjusting sleeve 10 is loosened, the upper surface 83 of the adjusting sleeve 10 is held at the same height as the upper surface 81 of the mounting body 6, while the fitting sleeve 4 moves downward. Therefore, the fitting sleeve 4 and the adjusting sleeve 10 can be displaced in the second direction Y within the passage opening 48. When the adjusting sleeve 10 is tightened, the fitting sleeve 4 is pulled upward until it engages with the inner collar 47 of the shaft holder 9. To prevent the fitting sleeve 4 and the adjusting sleeve 10 from moving undesirably after tightening, a wavy surface 49 is provided on the bottom of the inner collar 47 of the shaft holder 9, and a wavy surface 56 is provided on the bottom of the outer flange 55 of the adjusting flange 10.

[0064] In order to guide both the displacement movement of the support shaft holder 9 in the first direction (X) and the displacement movement of the fitting sleeve 4 in the second direction (Y), the pivot hinge 1 is additionally provided with a guide plate 12 in the illustrated embodiment. The guide plate 12 has a passage opening 65 extending substantially in the first direction (X) and through which the adjusting sleeve 10 is inserted. When the support shaft holder 9 is displaced on the mounting body 6, the support shaft holder 9 drags the adjusting sleeve 10 in its displacement movement, which is guided in the passage opening 65 and subsequently guides the displacement movement in the first direction (X). To fully realize this displacement movement, a stepped edge 66 is provided at the end of the passage opening 65, along with a notch 68 for the flange 55 of the adjusting sleeve 10.

[0065] The guide plate 12 is fitted to the top of the upper surface 52 of the support shaft holder 9 and below the mounting plate 8 so as to perform a guiding movement, and the guide plate 12 is displaceable in the second direction Y together with the adjusting sleeve 10 and the fitting sleeve 4, and guides the displacement movement in the second direction Y. A notch 67 is provided on the corresponding edge of the guide plate 12 so that it is not obstructed by the bolt 15 during this process.

[0066] To facilitate minimizing the clearance between the door 2 and the door frame, the mounting plate 8 is provided with a recess 44 recessed relative to the top surface 81 of the mounting plate 8. Both the bolt 15 and the adjusting sleeve 10 are engageable with a hand tool and are disposed within the recess 44 and extend partially out of the recess 44. In this manner, the bolt 15 and the adjusting sleeve 10 are readily accessible, allowing a hand tool to engage the bolt 15 or the adjusting sleeve 10 without requiring a relatively large clearance between the door 2 and the door frame for use with the hand tool.

[0067] For the adjustably positionable attachment of the fitting sleeve (4) to the mounting body (6), many variations are possible, as outlined above.

[0068] When it is desired to mount the door 2 to the door frame with the aid of the pivot hinge 1 as shown, the flange 26 of the spindle 3 is first placed on the bottom 32 of the mounting base 7 under the influence of gravity. Then, for example, paper may be placed above the spindle 3 to prevent the spindle 3 from moving out of the adjustment sleeve 10 under the attractive force of the magnet 77 in the socket 5 when the door 2 is being manipulated into the door frame. The door 2 may be initially positioned nearly in the desired position, and the paper may be removed near this desired position. The attractive force between the spindle 3 and the permanent magnets 22, 77 in the socket 5 then moves the second end 24 of the spindle 3 into the mating sleeve 78. In this case, the first end (23) of the support shaft (23) has an enlarged cylindrical section (17) whose collar section (18) abuts against the cylindrical base body (16) of the support shaft (3), limiting the vertical displacement of the support shaft (3). The mating sleeve (4) is provided with an inner collar (30) within the insertion space (29), allowing the support shaft (3) to be displaced in height within the insertion space (29). When the second end (24) of the support shaft (3) is moved out of the mating sleeve (4), the inner collar (30) engages with the collar (18) of the support shaft (3). Once the support shaft (3) has been moved to this position, it may be fixed relative to the mating sleeve (4) by the action of a fixing element (13). For this purpose, the support shaft (3) may be provided with a slot (16) into which the fixing element (13) can engage in the illustrated embodiment. For this purpose, the fixing element 13 is provided with a circular engagement edge 69 for engaging in the slot 19. The circular engagement edge 69 is provided with an access opening 70 through which the spindle 3 is fitted for this purpose. Such a fixing element can be modified, for example, as the fixing element described and illustrated in BE 1020498 A5.

[0069] To remove a door (2) that is hung from a door frame using the illustrated pivot hinge (1), the fixing element (13) may first be removed again. For this purpose, the fixing element (13) may be provided with an engagement edge (71) having an opening (72) through which a hand tool can be passed to engage the engagement edge for removal of the fixing element (13). In the illustrated second embodiment, the engagement edge (71) is designed to be longer than the engagement edge (71) of the illustrated first embodiment for ease of use and is in the form of a handle (see Figures 6 and 7). Once the fixing element (13) is removed, a hand tool is used to engage the adjustment sleeve (10), which is then turned with the hand tool to move the mating sleeve (4) downward. This causes the spindle (3) to move downward against the magnetic force of the magnets (22, 77) of the spindle (3) and the socket (5), and the second end of the spindle (3) is removed from the socket (5), thus removing the door (2) from the door frame.

Claims

1. A retractable pivot hinge (1) for hingeably mounting a door (2) to a door frame, comprising: an attachment (6) to be stored in the door (2); a fitting sleeve (4) attached to the attachment body (6); A support shaft (3) having a first end (23) and a second end (24), wherein at least the first end (23) of the support shaft (3) is fitted so as to be height-adjustable; a socket (5) that can be mounted to be accommodated in the door frame or that forms part of the door frame; the spindle (3) is provided with one or more magnetic elements (22), the socket (5) is provided with one or more magnetic elements (77), and the second end (24) of the spindle (3) is pulled into the socket (5) using the magnetic elements (22, 77) of the spindle (3) and the socket (5); The fitting sleeve (4) is mounted on the mounting body (6) so as to be non-rotatable relative to the mounting body (6) and so as to be positionally adjustable in a first direction (X) intersecting a height direction (Z) and so as to be positionally adjustable in a second direction (Y) intersecting both the first direction (X) and the height direction (Z). Pivot hinge (1).

2. The device further includes a support shaft holder (9) attached to the mounting body (6) so as to be positionally adjustable, The fitting sleeve (4) is attached to the support shaft holding portion (9) so that its position can be adjusted in the first direction (X) and the second direction (Y) to the mounting body (6). A pivot hinge (1) according to claim 1.

3. The support shaft holding portion (9) is attached to the mounting body (6) so that its position can be adjusted in the first direction (X), The fitting sleeve (4) is attached to the support shaft holding portion (9) so that its position can be adjusted in the second direction (Y). A pivot hinge (1) according to claim 2.

4. further comprising a drive means (15, 11, 4, 10) comprising a plurality of drive heads (84, 85); The plurality of drive heads (84, 85) are engageable with a hand tool for adjusting the position of the mating sleeve (4) in the mounting body (6); The driving means (15, 11, 4, 10) are displaceable in the corresponding mating slots (51, 48) for adjusting the position of the mating sleeve (4) in the mounting body (6); one or more surfaces (52) of the mounting body (6) and / or the spindle holder (9) are engaged with each other by the action of the driving means (15, 11) when the spindle holder (9) is mounted on the mounting body (6); one or more surfaces (52) of the mounting body (6) and / or the spindle holder (9) are provided with release structures in the form of grooves to prevent undesired relative movement of the mounting body (6) and the spindle holder (9) after the position of the fitting sleeve (4) has been adjusted within the mounting body (6); 4. A pivot hinge according to claim 2 or 3.

5. further comprising a drive means (15, 11, 4, 10) comprising a plurality of drive heads (84, 85); The plurality of drive heads (84, 85) are engageable with a hand tool for adjusting the position of the mating sleeve (4) in the mounting body (6); The driving means (15, 11, 4, 10) are displaceable in the corresponding mating slots (51, 48) for adjusting the position of the mating sleeve (4) in the mounting body (6); The drive means (15, 11, 4, 10) is configured as a bolt (15, 4) and a nut (11, 10), The nut (11) and / or the bolt (4) are provided with guide blocks (11, 4), which are fitted in corresponding fitting spaces (31, 45) defined inside the mounting body (6) so as to guide the displacement of the fitting sleeve (4) relative to the mounting body (6), the drive means (15, 10) comprises an adjustment sleeve (10) provided with an internal thread (59), the adjustment sleeve (10) acting as the drive head (85) and the nut (10); The mating sleeve (4) is provided with a corresponding external thread (28), and the mating sleeve (4) functions as the bolt (4) and the guide block (4), and is fitted into the mating space (45); The support shaft holder (9) is provided with the fitting slot (48), the fitting sleeve (4) is attached to the adjusting sleeve (10) through the fitting slot (48) by the inner thread (59) and the outer thread (28) which engage with each other, and the fitting sleeve (4) and the adjusting sleeve (10) are positionally adjustable relative to the fitting slot (48) in the support shaft holder (9). A pivot hinge (1) according to claim 3.

6. An internal collar (47) is provided in the fitting space (45) of the support shaft holding portion (9), and when the fitting sleeve (4) is attached to the support shaft holding portion (9) by the action of the adjustment sleeve (10), the fitting sleeve (4) engages with the internal collar (47). A pivot hinge (1) according to claim 5.

7. Further comprising a drive means (15, 11, 4, 10) having a plurality of drive heads (84, 85), The plurality of drive heads (84, 85) are engageable with a hand tool for adjusting the position of the mating sleeve (4) in the mounting body (6). A pivot hinge (1) according to any one of claims 1 to 3.

8. The mounting body (6) has an upper surface (81), the drive means (15, 11, 4, 10) comprises first drive means (15, 11) configured to displace the mating sleeve (4) in the first direction (X), The first drive means (15, 11) includes at least one first drive head (84) among the drive heads (84, 85), the first driving head (84) projects at least partially beyond the upper surface (81) so that the hand tool can be engaged therewith; the first driving head (84) has an upper surface (82) which also forms the upper surface (82) of the first driving means (15, 11) and is always maintained at the same height above the upper surface (81) of the mounting body (6); A pivot hinge (1) according to claim 7.

9. the drive means (15, 11, 4, 10) comprises second drive means (4, 10) configured to displace the mating sleeve (4) in the second direction (Y), the second drive means (4, 10) includes at least one second drive head (85) among the drive heads (84, 85); the second driving head (85) projects at least partially beyond the upper surface (81) so that the hand tool can be engaged therewith; the second driving head (85) has an upper surface (83) which also forms the upper surface (83) of the second driving means (15, 11) and is always maintained at the same height above the upper surface (81) of the mounting body (6); A pivot hinge (1) according to claim 8.

10. The top of the mounting body (6) is provided with one or more recesses (44) recessed relative to the upper surface (81), The drive heads (84, 85) are disposed in the one or more recesses (44).

10. A pivot hinge according to claim 8 or 9.

11. The driving means (15, 11, 4, 10) are displaceable in the corresponding mating slots (51, 48) for adjusting the position of the mating sleeve (4) in the mounting body (6). A pivot hinge according to any one of claims 7 to 10.

12. The drive means (15, 11, 4, 10) is configured as a bolt (15, 4) and a nut (11, 10), The nut (11) and / or the bolt (4) are provided with guide blocks (11, 4), which are fitted in corresponding fitting spaces (31, 45) defined inside the mounting body (6) so as to guide the displacement of the fitting sleeve (4) relative to the mounting body (6).

12. The pivot hinge of claim 11.

13. The mounting body (6) has a first long side disposed on a first side of the door and a second long side disposed on a second side of the door, The drive means (15, 10) is arranged centrally between the two long sides. A pivot hinge (1) according to any one of claims 7 to 12.

14. The support shaft (3) is provided with a permanent magnet (22) as the magnetic element (22), and the socket (5) is provided with a permanent magnet (77) as the magnetic element (77). A pivot hinge (1) according to any one of claims 1 to 13.

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