EP2712989A1 - Charnière de porte réglable pour armoire électrique - Google Patents

Charnière de porte réglable pour armoire électrique Download PDF

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Publication number
EP2712989A1
EP2712989A1 EP12006730.1A EP12006730A EP2712989A1 EP 2712989 A1 EP2712989 A1 EP 2712989A1 EP 12006730 A EP12006730 A EP 12006730A EP 2712989 A1 EP2712989 A1 EP 2712989A1
Authority
EP
European Patent Office
Prior art keywords
door
hinge
door frame
attachment plate
pane
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP12006730.1A
Other languages
German (de)
English (en)
Inventor
David Ramos
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Eldon Holding AB
Original Assignee
Eldon Holding AB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Eldon Holding AB filed Critical Eldon Holding AB
Priority to EP12006730.1A priority Critical patent/EP2712989A1/fr
Publication of EP2712989A1 publication Critical patent/EP2712989A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D7/00—Hinges or pivots of special construction
    • E05D7/04—Hinges adjustable relative to the wing or the frame
    • E05D7/0415—Hinges adjustable relative to the wing or the frame with adjusting drive means
    • E05D7/0423—Screw-and-nut mechanisms
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2600/00—Mounting or coupling arrangements for elements provided for in this subclass
    • E05Y2600/10—Adjustable
    • E05Y2600/30—Adjustment motion
    • E05Y2600/32—Rotary motion
    • E05Y2600/322—Rotary motion around a horizontal axis
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2600/00—Mounting or coupling arrangements for elements provided for in this subclass
    • E05Y2600/60—Mounting or coupling members; Accessories therefor
    • E05Y2600/61—Threaded members

Definitions

  • the present invention refers to an adjustable door hinge for an electrical cabinet with at least a first hinge part that can be fixed to a door pane, and a second hinge part that can be fixed to a door frame, and that is rotatable around a hinge axis in relation to the first hinge part, wherein the second hinge part comprises an attachment plate that is, in a fixed state, mounted on the door frame and held by at least two attachment screws to said door frame, and comprises an adjustment screw for adjusting the hinge axis.
  • the present invention also refers to an electrical cabinet comprising said adjustable door hinge.
  • the adjustable door hinge of the current invention has, therefore, the object of allowing the adjustment of a robust door hinge system which increases the operating safety.
  • the adjustment screw is positioned on the attachment plate and distanced from a straight connection line, which line lays in the plane of the attachment plate and connects the center axes of the attachment screws, wherein through the turning of the adjustment screw, the attachment plate tilts around its support area on the door frame and the hinge axis becomes adjusted.
  • a further advantageous embodiment of the invention is that the attachment plate is designed to be fixed to a front face of the door frame, which front face faces to the plane of the door pane in a closed position of the door pane.
  • the second hinge part can be connected to a side of the door frame that avoids any limitation of the interior space of the electrical cabinet. The fixture of interior parts of the electrical cabinet is, therefore, not disturbed by any portion of the hinge system.
  • an embodiment advantageously includes that in adjusting the adjustment screw from a first, retracted position to a second, extended position, the support area rolls along an edge of the door frame, which edge preferably adjoins the front face in the direction of the outer side of the electrical cabinet.
  • the support area forms a rotational center, around which rotational center the attachment plate tilts and the hinge axis pivots. Therewith, a compact rotation of the hinge axis is directly coupled to the tilting of the attachment plate.
  • the support area extends substantially parallel to the hinge axis and/or to the straight connection line. Due to this parallel arrangement, the hinge axis turns exclusively in a horizontal direction, which horizontal direction is a direction of movement normal to the hinge axis. The rotation is thus retained through the support area and crosswise movements of the hinge axis, and an inclination of this axis is avoided.
  • the first hinge part and the second hinge part are advantageously designed to allow a rotation of the door pane from the closed position to an open position of at least 180°, the angle of the door can be comfortably adjusted without being disturbed by the door pane and without separately demounting the door pane from the hinge.
  • an electrical cabinet is advantageously provided with at least one adjustable door hinge, to couple a door pane to a door frame.
  • the electrical cabinet advantageously comprises four adjustable door hinges.
  • FIG. 1 an adjustable door hinge 1 for an electric cabinet is shown for coupling a door pane 3 (shown in Fig. 3 ), rotatable around a hinge axis 10, to a door frame 17 (shown in Fig. 2 ), wherein the door frame 17 is held via at least a first hinge part 2a, 2b, and the door pane 3 via a second hinge part 11.
  • the adjustable door hinge 1 comprises two first hinge parts 2a, 2b, namely a first door pane holder 2a and a second door pane holder 2b, for holding the door pane 3 in position relative to the adjustable door hinge 1.
  • the first and second door pane holders 2a, 2b are, in an assembled condition, fixed to the door pane 3 via door holding screws 4a, 4b.
  • the door holding screws 4a, 4b one for each door pane holder 2a, 2b, are stuck through through-holes of the door pane 3 into the door pane 3 and are screwed into an inner thread 5a and 5b of a mounting head 6a, 6b of the first door pane holder 2a and the second door pane holder 2b, such that, with their screw head the door holding screws 4a, 4b contact the door pane 3 and push the door pane 3 against the door pane holders 2a, 2b.
  • Each of the inner threads 5a and 5b extend into a first side 7a and 7b of the mounting heads 6a or 6b.
  • each of the first and second door pane holders 2a, 2b fits closely via the first side 7a and 7b of the mounting head 6a, 6b against a first side portion 27 of the door pane 3, which portion 27 lies in the plane of the door pane 3.
  • the longitudinal axes of the inner threads 5a, 5b of each of the mounting heads 6a, 6b are substantially perpendicular to the first sides 7a and 7b, so that the first sides 7a and 7b are placed substantially parallel to the plane of the door pane 3 in a fixed state.
  • each of the mounting heads 6a, 6b of the first and second door pane holders 2a and 2b comprises a second side 8a, 8b that contacts a further second side portion 28 of the door pane 3, wherein the second side 8a, 8b is perpendicular to the first side 7a and 7b.
  • the first sides 7a, 7b and the second sides 8a, 8b of the mounting heads 6a, 6b make contact with the outer form of the door pane 3 and extend in two dimensions, such that the door pane is tightly held in position relative to the first and second door pane holders 2a, 2b.
  • each of the first and second door pane holders 2a, 2b further comprises one pivot bolt 9a, 9b that is coupled to a mounting bore in each mounting head 6a, 6b.
  • Each pivot bolt 9a and 9b is oriented with its longitudinal axis substantially parallel to the plane of the door pane 3 and congruent to the hinge axis 10.
  • the hinge axis 10 is set through the centre axis of a bearing bushing 12 of the second hinge part 11, as further described below.
  • the first and second door pane holders 2a, 2b, and thus the door pane 3, are pivotably mounted relative to the second hinge part 11 over said pivot bolts 9a and 9b, wherein the pivot bolts 9a and 9b of the first door pane holder 2a and the second door pane holder 2b are inserted into said bearing bushing 12 of the second hinge part 11 during operation.
  • the bearing bushing 12 of the second hinge part 12 is, in turn, connected via a connecting link 13 to an attachment plate 14, which connecting link 13 and attachment plate 14 each have a plate-shaped extension.
  • the attachment plate 14 and the plate-shaped connecting link 13 are substantially oriented perpendicular to each other.
  • the bearing bushing 12, the connecting link 13 and the attachment plate 14 of the second hinge part 11 are formed of one single part, preferably a metal, die-casted part. Further details with regard to the connection between the second hinge part 11 and the door frame 17 can be seen in Fig. 2 .
  • the second hinge part 11 is, during operation, mounted to the door frame 17 via two attachment screws 15 and 16.
  • an adjustment screw designed as set screw 22 is screwed into an inner thread 18 of the attachment plate 14.
  • the first and second attachment screws 15, 16 are stuck into through-hole bores 20a, 20b onto the attachment plate 14 and are screwed into inner threads in the door frame 17 to strongly hold the attachment plate 14 onto the door frame 17 by which the screw heads act as support.
  • Each of the first and the second attachment screws 15, 16 fits levelly with a side of their screw heads to the attachment plate 14, against a shoulder portion 19 adjacent to the through-hole bores 20a, 20b.
  • a plain, conical contact between a conical flange of the screw head of the first and second attachment screw 15, 16 and the conically-shaped shoulder portion 19, is achieved.
  • the through-hole bore 20a for supporting the first attachment screw 15 and the through-hole bore 20b for supporting the second attachment screw 15 are each designed as a double hole 20a, 20b.
  • the center axes of the first and second single holes of the double holes 20a, 20b are distanced from each other such that the outer circumferences of the single holes cross each other and one double hole 20a, 20b with two nose portions 23 between the single holes is formed. As the distance between these two nose portions 23 is smaller than the outer diameter of the threaded portion of the attachment screws 15, 16, the attachment screw 15, 16 cannot slide over from the first single hole into the second single hole while still mounted in one of the single holes. A further adjustment option with two further positions is achieved. To change between the positions of the double holes 20a, 20b, the attachment screws 15, 16 have to be unscrewed from the door frame and removed from the first single hole and must than be mounted in the other single hole.
  • the center axes of the two single holes of the through-hole bores 20a, 20b and therefore the center axes of the first attachment screw 15 and the second attachment screw 16, when being stuck in the through-hole bores 20a, 20b, are in line with and connected by one straight connection line 21 that is shown in Fig. 5 .
  • the connection line 21 is an imaginary line that lies in the plane of the attachment plate 14.
  • An inner thread 18 for receiving the set screw 22 is placed distanced from this straight connection line 21 on a side opposite to the hinge axis - when regarded in the plane of the attachment plate 14. This inner thread 18 extends substantially parallel to the parallel center axes of the through-hole bores 20a, 20b.
  • the inner thread 18 for the set screw 22 has a length that is greater than the length of the through-hole bores 20a, 20b.
  • the door frame portion 30 has an essentially plane extension.
  • an edge 29 adjoins that is substantially parallel to the straight connection line 21 and the hinge axis 10, and acts as a pivot axis when the adjustment process, as described below, takes place.
  • the frontal end of the set screw 22 can be displaced from a first retracted position (shown in Fig. 6a ) to a second extended position (shown in Fig. 6b ) to impact the door frame portion 30 and, therefore, adjust the distance between the inner thread 18 and therewith the position of the attachment plate 14 and the door frame 17. With this distance, the angle between the plane of the attachment plate 14 and the door frame 17, as further described below, is adjusted.
  • both attachment screws 15, 16 are loosened at the same time or subsequently with a screwdriver.
  • the attachment screws 15, 16 are right-hand threaded so that they are loosened by turning the screwdriver towards the left.
  • the distance between the screwhead of the attachment screws 15, 16 and the door frame 17 increases, and, therewith, the attachment plate 14 becomes loosened.
  • the attachment plate 14 can be freely tilted around the straight connection line 22 in accordance with its contact area on the door frame portion 30.
  • the frontal face of the set screw 22 defines a first contact area of the second hinge part 11 with the door frame portion 30.
  • a second contact area is defined.
  • the angle between the plane of the attachment plate 14 and the door frame 17, and therefore, the position of the hinge axis 10 is defined.
  • the attachment plate 14 fits plainly on and parallel to the door frame portion 30.
  • the attachment plate 14 fits with the support area 24 on the edge 29, wherein the door frame portion 30 and the attachment plate 14 are inclined to each other.
  • the maximum displacement of the hinge axis 10 thus depends directly on the maximum length of engagement of the set screw 22.
  • the first and second attachment screws 15, 16, as can be seen in Fig. 4c are, in a third step, tightened again to guarantee an optimal transfer of the door forces via these attachment screws 15, 16.
  • the frontal face, in this second position protrudes from the inner thread 18, and is pressed against the door frame portion 30 in this fixed state.
  • the attachment plate 14, in the region next to the inner thread 18, is spaced apart from the door frame portion 30, while the edge 29 of the door frame portion 30 contacts the attachment plate 14 in the support area 24, which support area 24 is, with respect to the straight connection line 21, on a side opposite the inner thread 18.
  • the attachment plate 14 is adjusted by the set screw 22 by screwing the set screw from the first, basic position, as shown in Fig. 6a , towards the door frame 17 into the second, displaced position, as shown in Fig. 6b , between which two positions, the attachment plate 14 tilts around the straight connection line 21.
  • the adjustment process can be conducted with the door pane 3 fixed to the first hinge parts 2a, 2b or with the door pane 3 being removed from the first hinge parts 2a, 2b.
  • an electric cabinet comprises more than one of the hinge systems, the steps as mentioned above are carried out simultaneously for all hinges.
  • the optimal number of adjustable door hinges would be four for each electrical cabinet.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Hinges (AREA)
EP12006730.1A 2012-09-26 2012-09-26 Charnière de porte réglable pour armoire électrique Withdrawn EP2712989A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP12006730.1A EP2712989A1 (fr) 2012-09-26 2012-09-26 Charnière de porte réglable pour armoire électrique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP12006730.1A EP2712989A1 (fr) 2012-09-26 2012-09-26 Charnière de porte réglable pour armoire électrique

Publications (1)

Publication Number Publication Date
EP2712989A1 true EP2712989A1 (fr) 2014-04-02

Family

ID=47080124

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12006730.1A Withdrawn EP2712989A1 (fr) 2012-09-26 2012-09-26 Charnière de porte réglable pour armoire électrique

Country Status (1)

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EP (1) EP2712989A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111542250A (zh) * 2017-12-15 2020-08-14 柯勒米拉有限公司 安装组件

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0965714A1 (fr) * 1998-06-19 1999-12-22 Dr. Hahn GmbH & Co. KG Fixation d'une ferrure
EP1124032A1 (fr) * 2000-02-08 2001-08-16 Kabushiki Kaisha Juken Sangyo Charnière
DE202005012153U1 (de) * 2005-07-29 2006-12-14 Dr. Hahn Gmbh & Co. Kg Profil/Bandsystem

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0965714A1 (fr) * 1998-06-19 1999-12-22 Dr. Hahn GmbH & Co. KG Fixation d'une ferrure
EP1124032A1 (fr) * 2000-02-08 2001-08-16 Kabushiki Kaisha Juken Sangyo Charnière
DE202005012153U1 (de) * 2005-07-29 2006-12-14 Dr. Hahn Gmbh & Co. Kg Profil/Bandsystem

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111542250A (zh) * 2017-12-15 2020-08-14 柯勒米拉有限公司 安装组件

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