EP4116525A1 - Dispositif d'ouverture de porte électrique - Google Patents

Dispositif d'ouverture de porte électrique Download PDF

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Publication number
EP4116525A1
EP4116525A1 EP21382601.9A EP21382601A EP4116525A1 EP 4116525 A1 EP4116525 A1 EP 4116525A1 EP 21382601 A EP21382601 A EP 21382601A EP 4116525 A1 EP4116525 A1 EP 4116525A1
Authority
EP
European Patent Office
Prior art keywords
latch
cam
door
door opener
internal lever
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
EP21382601.9A
Other languages
German (de)
English (en)
Other versions
EP4116525B1 (fr
EP4116525C0 (fr
Inventor
Roger Andreu Pallerola
Bernat Andreu Pallerola
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.)
Openers and Closers SL
Original Assignee
Openers and Closers SL
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 Openers and Closers SL filed Critical Openers and Closers SL
Priority to ES21382601T priority Critical patent/ES2958343T3/es
Priority to PL21382601.9T priority patent/PL4116525T3/pl
Priority to EP21382601.9A priority patent/EP4116525B1/fr
Publication of EP4116525A1 publication Critical patent/EP4116525A1/fr
Application granted granted Critical
Publication of EP4116525B1 publication Critical patent/EP4116525B1/fr
Publication of EP4116525C0 publication Critical patent/EP4116525C0/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0046—Electric or magnetic means in the striker or on the frame; Operating or controlling the striker plate
    • E05B47/0047—Striker rotating about an axis parallel to the wing edge
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/04—Spring arrangements in locks
    • E05B2015/0458—Leaf springs; Non-wound wire springs

Definitions

  • the present invention relates to an electric door opener comprising an automatic mechanism for retaining an internal lever, for locking the latch, in an unlocked position from the moment the door opener is electrically actuated until the door is opened.
  • Electric door openers are access control devices that enable a door to be locked/unlocked. They are mounted on a door frame and have a latch that retains the handle of the door leaf. When the door opener is unlocked, the latch has a rotational movement that enables the handle of the leaf to escape by opening the door.
  • the rotation of the latch is dependent on an internal lever mechanism actuated by a solenoid.
  • a solenoid When power is applied to the solenoid, the mechanism is actuated and the latch is released such that it can rotate to open the door. When the power is cut off, the latch is locked again.
  • the door opener has a PCB with a capacitor that stores energy when it is powered. Once the power is cut off, the accumulated energy is released maintaining the door opener unlocked for a short period of time.
  • the unlocking time will depend on the capacity of the PCB but is generally a few seconds.
  • the internal mechanism unlocks the rotation of the latch. But in this case, the very movement of the internal components causes the actuation of a second mechanism, the automatic internal. This second mechanism will maintain the latch unlocked until the door performs an opening manoeuvre; the latch must be rotated to return the door opener to the locked position.
  • This system is similar to the automatic internal but with one important difference.
  • the automatic mechanism it is not enough to power the door opener. It is also necessary that the door is closed.
  • the latch will have a cam or bushing mechanism that is activated by the handle.
  • the automatic with external actuation is the one on which an improvement is presented in this document.
  • this mechanism is as follows: when the handle enters the cavity of the latch, it presses an assembly made up of an external bushing, a spring and an internal bushing aligned, causing the spring to compress. An internal lever, the movement of which is locked, maintains the latch locked and the internal bushing in position. When the door opener is electrically powered, the internal lever is released such that the latch can now rotate. At this moment, the automatic system comes into operation. A compressed spring pushes the internal bushing which in turn presses and moves the lever.
  • the internal actuator can also be constituted by a strap riveted to the latch.
  • a cam is arranged between the bushing and the latch. In this way, contact with the handle is always optimal.
  • the door opener includes a cam in the cavity of the latch that rotates with respect to a shaft that is riveted to the front of the latch.
  • this cam is simply a small component that gets caught between the front of the latch and the latch itself. If the front of the latch is loosened to adjust it during installation, the cam may come out of position and even fall. This problem is avoided by attaching the cam to the front of the latch.
  • This electric door opener is of the type described in the preamble of the first claim, comprising a box, a latch provided with a housing for receiving a handle of a door, a rotating shaft of the latch between a locked position and an unlocked position of the handle, means for locking the rotational movement of the latch, able to be electrically actuated, and comprising an internal movable lever, located behind the latch, and an automatic mechanism for retaining the internal lever for locking the latch in an unlocked position from the moment the door opener is electrically actuated and the internal lever is arranged in an unlocked position of the latch until the door is opened.
  • This electric door opener exhibits technical features aimed at solving the problems set forth above and related to risks of misalignment or even accidental release of the cam of the automatic mechanism when the position of the front of the latch is modified.
  • Another objective of the invention is to simplify the automatic mechanism for retaining the internal lever for locking the latch, in an unlocked position, from the moment the door opener is electrically actuated until the door is opened.
  • the automatic mechanism of the electric door opener of the invention comprises:
  • the internal lever When the door opener is electrically powered, the internal lever is released and moves towards an unlocked position of the latch by the action of the strap that releases the elastic energy accumulated therein; the internal lever remaining in said position until the door is opened, the handle releases the cam, the cam stops acting against the strap and the internal lever returns to the locked position of the latch by the action of a return spring.
  • this door opener comprises a box (1) in which a latch (2) and locking means of said latch (2) are mounted, in this case represented by an internal lever (3), a locking lever (4) of the internal lever (3) and a solenoid (5) that acts against the retention lever (4), releasing the internal lever (3) when the door opener is electrically powered.
  • This door opener comprises an automatic mechanism for retaining the internal lever (3) in an unlocked position, the elements of which have been represented as exploded in Figures 3 and 4 .
  • this mechanism comprises a cam (6), mounted on the same rotating shaft (21) of the latch (2) and comprising a front end (61) arranged in the front housing of the latch and a rear end (62) accessible by the rear area of the latch. Said cam (6) tends to remain displaced towards the outside of the latch by the action of the compression spring (7).
  • This mechanism further comprises a strap (8), solidly attached to the internal lever (3) and which has been represented as disassembled in Figure 4 .
  • This strap (8) exhibits a front end facing the rear end (62) of the cam (6).
  • the retention mechanism maintains the internal lever (3) in the release position of the latch, shown in the aforementioned Figure 7 , until the door opens and the handle stops pressing the cam (6).
  • the rotation of the cam (6) with respect to the rotating shaft (21) of the latch (2) achieves a smoother movement, which entails an important improvement both in the operation and in the durability of the mechanism.
  • the mechanism can be used both as a fixed latch and as an adjustable latch and it is very simple as it only consists of the three aforementioned components: the cam, the compression spring and the strap.

Landscapes

  • Lock And Its Accessories (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
EP21382601.9A 2021-07-05 2021-07-05 Dispositif d'ouverture de porte électrique Active EP4116525B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
ES21382601T ES2958343T3 (es) 2021-07-05 2021-07-05 Abrepuertas eléctrico
PL21382601.9T PL4116525T3 (pl) 2021-07-05 2021-07-05 Elektryczny mechanizm otwierania drzwi
EP21382601.9A EP4116525B1 (fr) 2021-07-05 2021-07-05 Dispositif d'ouverture de porte électrique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP21382601.9A EP4116525B1 (fr) 2021-07-05 2021-07-05 Dispositif d'ouverture de porte électrique

Publications (3)

Publication Number Publication Date
EP4116525A1 true EP4116525A1 (fr) 2023-01-11
EP4116525B1 EP4116525B1 (fr) 2023-08-30
EP4116525C0 EP4116525C0 (fr) 2023-08-30

Family

ID=76890984

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21382601.9A Active EP4116525B1 (fr) 2021-07-05 2021-07-05 Dispositif d'ouverture de porte électrique

Country Status (3)

Country Link
EP (1) EP4116525B1 (fr)
ES (1) ES2958343T3 (fr)
PL (1) PL4116525T3 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1138334B (de) * 1962-02-07 1962-10-18 Fuss Fritz Kg Elektrischer Tueroeffner
US20060145488A1 (en) * 2003-10-13 2006-07-06 Norman Wittke Door opener
ES1064398U (es) * 2006-12-14 2007-03-01 Nadal Badal, S.A. Abrepuertas electrico mejorado.
EP3599326A1 (fr) * 2018-07-25 2020-01-29 Openers & Closers, S.L. Gâche électrique pour portes

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1138334B (de) * 1962-02-07 1962-10-18 Fuss Fritz Kg Elektrischer Tueroeffner
US20060145488A1 (en) * 2003-10-13 2006-07-06 Norman Wittke Door opener
ES1064398U (es) * 2006-12-14 2007-03-01 Nadal Badal, S.A. Abrepuertas electrico mejorado.
EP3599326A1 (fr) * 2018-07-25 2020-01-29 Openers & Closers, S.L. Gâche électrique pour portes

Also Published As

Publication number Publication date
ES2958343T3 (es) 2024-02-07
EP4116525B1 (fr) 2023-08-30
PL4116525T3 (pl) 2023-12-04
EP4116525C0 (fr) 2023-08-30

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