EP3138985A1 - Dispositif de fermeture d'un battant de porte - Google Patents

Dispositif de fermeture d'un battant de porte Download PDF

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Publication number
EP3138985A1
EP3138985A1 EP16185619.0A EP16185619A EP3138985A1 EP 3138985 A1 EP3138985 A1 EP 3138985A1 EP 16185619 A EP16185619 A EP 16185619A EP 3138985 A1 EP3138985 A1 EP 3138985A1
Authority
EP
European Patent Office
Prior art keywords
cam
closing
closing device
closer shaft
recess
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.)
Granted
Application number
EP16185619.0A
Other languages
German (de)
English (en)
Other versions
EP3138985B1 (fr
Inventor
Lothar Singer
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.)
Gretsch Unitas GmbH Baubeschlaege
Original Assignee
Gretsch Unitas GmbH Baubeschlaege
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Publication date
Application filed by Gretsch Unitas GmbH Baubeschlaege filed Critical Gretsch Unitas GmbH Baubeschlaege
Publication of EP3138985A1 publication Critical patent/EP3138985A1/fr
Application granted granted Critical
Publication of EP3138985B1 publication Critical patent/EP3138985B1/fr
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
    • E05F3/04—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes
    • E05F3/10—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes with a spring, other than a torsion spring, and a piston, the axes of which are the same or lie in the same direction
    • E05F3/104—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes with a spring, other than a torsion spring, and a piston, the axes of which are the same or lie in the same direction with cam-and-slide transmission between driving shaft and piston within the closer housing

Definitions

  • the present invention relates to a closing device for closing a door, with a closer shaft, a non-rotatably connected to the closer shaft cam and with a means acting on the cam by means of a spring means for providing a closing force.
  • Closing devices are known from the prior art, with which an automatic closing of door leaves is possible, for example from the DE 42 38 010 A1 ,
  • it is problematic in such door closers that, in particular for large opening angles of a door leaf relative to the door frame of about 180 ° between the cam and spring device a dead center is reached. Therefore, these door closers do not practice, in any case, no sufficient closing effect on the door at such opening angles.
  • To initiate a closing operation in such closing devices, the door leaf must be moved manually in the direction of the closing direction until a sufficient closing action is exerted on the door leaf.
  • closing devices which are to develop a sufficient closing action at large opening angles of a door leaf, for example from the DE 42 39 219 A1 or from the DE 195 40 266 A1 .
  • closing direction-related closing devices lead to a high storage and confusion when buying and / or mounting such a closing device.
  • the present invention has for its object to provide a simple and constructive means a reliable and closing direction independent closing operation, especially at large opening angles.
  • the locking device is characterized in that the cam on a relative to the closer shaft protruding portion has a recess on or in which a cam is pivotally mounted, that the cam is a relative forms to the recess projecting cam tip and by means of the roller in a first end position and / or a second end position is pivotable.
  • Such an embodiment of the closing device has the advantage that a cam tip is formed by the cam, which is arranged eccentrically in the first end position and / or in the second end position relative to the contour of the cam.
  • the cam can be folded with the tip of a cam into a first end position or a second end position.
  • the cam tip can be pivoted relative to the cam, starting from a central position back and forth, for example, by an angle of 10 °. In the first end position and / or the second end position further pivoting is prevented by a stop.
  • the cam continues the contour of the cam.
  • the cam tip Due to the pivotability of the cam and thus the cam tip in two directions, the cam tip can be eccentric in both directions, ie away from an opening angle of 180 ° of the closer shaft are arranged so that the locking device can be used without modification or retrofitting in right- as well as left-closing doors ,
  • the Umklappterrorism the cam is positively controlled by the role of the spring device.
  • the storage is significantly reduced due to the closing direction unbound closing effect. When buying or assembling the risk of confusion thus no longer occurs. Due to the fact that the opening contour profile of approximately 180 ° door opening angle up to approximately 190 ° door opening angle is continued by the cam of the shutter shaft, a sufficient closing effect is provided even with a door opening angle of 180 ° or more.
  • the closing device can be used as a door closer, in particular as a floor spring, as a lying and / or as a concealed door closer.
  • the cam can be mounted eccentrically to the longitudinal axis of the closer shaft pivotally.
  • a positive control of the cam is favored by the role of the spring device, since in a contact between the roller and the cam, a torque applied to the cam and this is pivoted into one of the end positions.
  • the cam can be mounted on or in the recess by means of a parallel to the longitudinal axis of the closer shaft pivot axis.
  • a uniform contact between the cam and the roller of the spring device is made possible so that punctual outbreaks on cam and / or roller due to uniform load are largely avoided.
  • the cam can be symmetrical along a cam axis. This favors a closing direction unbound use of the locking device, as in right-closing and left-closing doors uniform closing effects can be achieved. Thus, regardless of the closing direction of a door at the same opening angles same closing moments can be achieved.
  • the cam may have a cross section with a basic shape of an isosceles triangle with three each curved, in particular convex curved sides have.
  • the contour of the cam can be continued with simple structural means.
  • the two same legs are symmetrical to the cam axis and serve to contact the roller of the spring device.
  • the third side is also curved, in particular convexly curved, and forms with the base or the edge of the recess in the cam a stop, preferably in a first position and a second end position of the cam.
  • the cam starting from a central position relative to the cam on both sides at an angle of 15 °, preferably of 12 °, more preferably of 10 °, be pivotable.
  • a sufficiently eccentric arrangement of the cam tip and thus the dead center is created by the cam, so that even with a large door opening angle of 180 ° Sch spalegisunround a sufficient closing action is given.
  • the cam can be symmetrical along a cam axis.
  • the cam plate is formed axially symmetrical to the cam axis.
  • the locking device works the same for right-handed doors and left-hand doors, with the same door opening angles same closing effects can be achieved.
  • a closing direction independent use of the locking device is favored hereby.
  • a further recess may be formed on or in which a further cam is pivotally mounted.
  • the cam and the further cam can be coupled to each other by means of the pivot axis rotatably.
  • the cam and the other cam are at the same angle relative to the curve tip, so that a uniform contact and a uniform load transfer between the cam and the roller are favored.
  • a damping device for damping a rotation of the closer shaft may be provided, wherein the damping device acts by means of a roller on the cam.
  • the damping device acts by means of a roller on the cam.
  • FIG. 1 shows a closing device for closing a door, which is generally designated by the reference numeral 10.
  • the locking device 10 is formed in the present embodiment as an overlying door closer for a door leaf.
  • the locking device 10 is used to close a door (not shown).
  • the closing device 10 has a closer shaft 12, a cam plate 14 connected to the closer shaft 12 in a rotationally fixed manner and a spring device 18 acting on the cam plate 14 by means of a roller 16 for providing a closing force.
  • the cam disk 14 has a recess 22 on a section 20 projecting relative to the closer shaft 12. In the recess 22, a cam 24 is pivotally mounted.
  • the cam 24 forms a protruding from the recess 22 curve tip.
  • the cam 24 is pivotable in a first end position and / or a second end position.
  • the recess 22 is formed as a groove.
  • the protruding portion on cam portions 23 a, 23 b (see FIG. 2 ).
  • the cam disk sections 23a, 23b provide a large contact surface for the roller 16. This is particularly advantageous for doors that are opened with large opening angles, but usually not more than 180 °, advantage.
  • the cam 24 is mounted eccentrically to the longitudinal axis 26 of the closer shaft 12 pivotally.
  • the cam 24 is mounted in the recess 22 by means of a parallel to the longitudinal axis 26 of the closer shaft 12 pivot axis 28.
  • the cam 24 is symmetrical along a cam axis 30 (see. FIG. 4 ).
  • the cam 24 has a cross section with a basic shape of an isosceles triangle with three respectively curved, in particular convexly curved sides 32, 34 and 36.
  • the sides 32 and 34 form the legs of the cam 24 which are symmetrical relative to the cam axis 30.
  • the third side 36 has a greater curvature than the sides 32, 34 and serves as a stop in regions adjacent to the sides 32 and 34. In this case, the side 36 comes in sections with a bottom or edge 38 of the recess in contact (see FIG. 3 ).
  • the cam 24 is pivotable from an intermediate position relative to the cam 14 on both sides by an angle of 10 °. In this case, a forced control of the pivoting operation of the cam 24 by the roller 16 of the spring device 18 takes place.
  • the cam plate 14 is symmetrical along a cam axis 40 (see FIG. 3 and 4 ).
  • a damping device 42 For damping a rotation of the closer shaft, a damping device 42 is provided, wherein the damping device 42 acts by means of a roller 44 on the cam 14 (see FIG. 1 ).
  • the spring device 18 has a spring piston 46 and a compression spring 48. On the spring piston 46, the roller 16 of the spring device 18 is mounted.
  • the damping device 42 has a damping piston 50 and a damping valve 52 on the damping piston 50, the roller 44 of the damping device 42 is mounted.
  • the closing device 10 also has a housing 54 in which the closer shaft 12, spring device 18 and damping device 42 are arranged.
  • the housing 54 is closed at the ends by means of lids 56.
  • the housing 54 is filled with a hydraulic medium.
  • the transmission area 58 which is located between the spring piston 46 and the damping piston 50, only low pressures of 2 to 3 bar prevail. Therefore, this area is also referred to as a low pressure area or depressurized area.
  • this area is also referred to as a low pressure area or depressurized area.
  • operating pressures of about 60 to 80 bar (static load) up to peak pressures of 180 bar (dynamic load).
  • the closer shaft 12 can on the output side, namely at a driven-side end 60 (see FIG. 2 ) be coupled by means of a linkage to a door frame (not shown).
  • the linkage may be performed, for example, in a door frame side slide.
  • Fig. 5 shows an alternative embodiment of the closer shaft 62nd
  • the closer shaft 62 has a non-rotatably connected to the closer shaft 62 cam 64 on.
  • the cam plate 64 has on a relative to the closer shaft 62 projecting portion 70 has a recess 72 on which a cam 24 is pivotally mounted.
  • the cam 24 forms a relative to the recess 72 protruding cam tip.
  • cam plate 64 on the projecting portion 70 has a further recess 74 on which a further cam 25 is pivotally mounted.
  • the cam 24 and the further cam 25 are identical.
  • the cam 24 and the further cam 25 are rotatably coupled to each other by means of the pivot axis 28.
  • the pivot axis 28 is parallel to the longitudinal axis 26 of the closer shaft 62.
  • the recess 72 and the further recess 74 each have a bottom or edge 78, with which the third side 36 of the cam 24 and the further cam 25 comes into contact in a first end position and a second end position and forms a stop.
  • the projecting portion 70 has a cam portion 76.
  • the cam portion 76 is located between the cam 24 and the further cam 25th
  • the cam portion 76 may also be referred to as a "rib” or "land”.

Landscapes

  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
EP16185619.0A 2015-09-02 2016-08-25 Dispositif de fermeture d'un battant de porte Active EP3138985B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202015006151.6U DE202015006151U1 (de) 2015-09-02 2015-09-02 Schließvorrichtung zum Schließen eines Türflügels

Publications (2)

Publication Number Publication Date
EP3138985A1 true EP3138985A1 (fr) 2017-03-08
EP3138985B1 EP3138985B1 (fr) 2020-12-09

Family

ID=56800215

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16185619.0A Active EP3138985B1 (fr) 2015-09-02 2016-08-25 Dispositif de fermeture d'un battant de porte

Country Status (2)

Country Link
EP (1) EP3138985B1 (fr)
DE (1) DE202015006151U1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018109732A2 (fr) * 2016-12-15 2018-06-21 In & Tec S.R.L. Charnière pour le mouvement rotatif d'une porte, d'un volet ou similaire

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1925570A1 (de) * 1969-05-20 1970-12-03 Doerken & Mankel Kg Selbsttaetiger Tuerschliesser
DE4238010A1 (de) 1992-11-11 1994-05-19 Dorma Gmbh & Co Kg Selbsttätiger Türschließer
DE4239219A1 (de) 1992-11-21 1994-05-26 Dorma Gmbh & Co Kg Selbsttätiger Türschließer
DE19540266A1 (de) 1994-10-28 1996-05-30 Geze Gmbh & Co Antrieb

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1925570A1 (de) * 1969-05-20 1970-12-03 Doerken & Mankel Kg Selbsttaetiger Tuerschliesser
DE4238010A1 (de) 1992-11-11 1994-05-19 Dorma Gmbh & Co Kg Selbsttätiger Türschließer
DE4239219A1 (de) 1992-11-21 1994-05-26 Dorma Gmbh & Co Kg Selbsttätiger Türschließer
DE19540266A1 (de) 1994-10-28 1996-05-30 Geze Gmbh & Co Antrieb

Also Published As

Publication number Publication date
DE202015006151U1 (de) 2016-12-07
EP3138985B1 (fr) 2020-12-09

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