EP1627984B1 - Spyhole viewer - Google Patents

Spyhole viewer Download PDF

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Publication number
EP1627984B1
EP1627984B1 EP05104158A EP05104158A EP1627984B1 EP 1627984 B1 EP1627984 B1 EP 1627984B1 EP 05104158 A EP05104158 A EP 05104158A EP 05104158 A EP05104158 A EP 05104158A EP 1627984 B1 EP1627984 B1 EP 1627984B1
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EP
European Patent Office
Prior art keywords
peephole
separating element
sections
housing
door leaf
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Application number
EP05104158A
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German (de)
French (fr)
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EP1627984A2 (en
EP1627984A3 (en
Inventor
Gerhard Weissenböck
Herbert Grasberger
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Grundmann Beschlagtechnik GmbH
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Grundmann Beschlagtechnik GmbH
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Priority claimed from AT0060104U external-priority patent/AT7830U1/en
Application filed by Grundmann Beschlagtechnik GmbH filed Critical Grundmann Beschlagtechnik GmbH
Priority to AT05104158T priority Critical patent/ATE423264T1/en
Publication of EP1627984A2 publication Critical patent/EP1627984A2/en
Publication of EP1627984A3 publication Critical patent/EP1627984A3/en
Application granted granted Critical
Publication of EP1627984B1 publication Critical patent/EP1627984B1/en
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    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B7/00—Special arrangements or measures in connection with doors or windows
    • E06B7/28—Other arrangements on doors or windows, e.g. door-plates, windows adapted to carry plants, hooks for window cleaners
    • E06B7/30—Peep-holes; Devices for speaking through; Doors having windows

Definitions

  • the invention relates to a door viewer, which has a tubular housing for insertion into an opening of a door leaf, wherein the housing carries an optical device, and at least one separating element is provided, which divides the housing into at least two, in the axial direction adjacent sections, according to the preamble of claim 1.
  • Door spies of this type have been known for years and are either as a one-piece, tubular housing, which carries the optical device and is inserted into an opening of a door leaf, executed, or as a two-part housing, wherein the respective portions of each outer side of the door leaf in the Breakthrough introduced and screwed together about.
  • the housing or the parts of the housing are made, in particular for use in fire doors, due to the better temperature resistance of a metallic material.
  • the FR-A-1364899 discloses a peephole with a tubular housing and an optical device, and a separator which divides the housing into two sections.
  • the thermal bridge formed by a peephole with metallic housing also has the disadvantage that in the case of house entrance doors or pergola doors that lead directly from the living areas into the open, it can lead to the formation of condensation, which impairs the function of the fish peephole.
  • a door viewer which avoids these disadvantages.
  • a door viewer should be created, which reduces heat transfer through the housing of the door spy in the event of fire and thus fulfills prescribed fire protection regulations.
  • the door viewer according to the invention should avoid the formation of condensation.
  • Claim 1 here refers to a spyhole, which has a tubular housing for insertion into an opening of a door leaf, wherein the housing carries an optical device, and at least one separating element is provided, the housing in at least two, in the axial direction adjacent sections divided. According to the invention it is provided that at least one of the separating elements has a lower thermal conductivity than the two adjacent sections, and at least one transparent insert element is arranged in the separating element, which covers the clear cross-section of the separating element.
  • Claim 1 provides for this purpose that at least one transparent insert element is arranged in the separating element, which covers the clear cross-section of the separating element.
  • Claim 2 refers to a variant in which exactly one separating element is provided, which divides the housing in two, juxtaposed in the axial direction and each directed to the door leaf outer surface sections.
  • Claim 3 proposes to perform the separator sleeve-shaped, wherein according to claim 4, the separating element has end-side threaded portions for screwing with the sections. It would alternatively be possible but about to provide a plug connection between the separating element and the adjacent sections of the housing.
  • the sections of a metallic material and the separating element of a plastic preferably a polyamide, is made.
  • Plastics have a lower thermal conductivity than metallic materials and are therefore particularly suitable for interrupting a thermal bridge.
  • the door viewer according to the invention is particularly suitable for use with on a door leaf outer surface adjacent cover plate so that it is proposed according to claim 6, to provide at least one end portion of the housing a cover plate which abuts in the position of use of the fish peephole on an outer surface of the door leaf. According to claim 7, this is a name tag.
  • the insert element is made of glass, and according to claim 9 of plastic.
  • the insert element is made platelet-shaped.
  • the two sections 8 and 9 can be seen, wherein approximately the section 8 is provided with an optical device 1 and in the position of use of the peephole in the outer area of a through the door leaf 6 (in the Fig. 1 not shown) demarcated housing is addressed.
  • the section 9 is directed in the position of use of the peephole in the living room.
  • the portion 9 may be provided with a cover 4, which abuts in the position of use of the fish peephole on the directed into the living space outer surface of the door leaf 6.
  • the two sections 8 and 9 are, especially in fire doors, usually made of a metallic material.
  • a separator 2 is now provided according to the invention, which is made of a material with lower thermal conductivity than the two sections 8 and 9.
  • a plastic for example a polyamide, is suitable for this purpose.
  • the separating element is designed sleeve-shaped and has for screwing with the two sections 8 and 9 at its two end portions each have a threaded portion 10 and 11. These are approximately in the threaded portion 10 to an internal thread, which is screwed with an associated threaded portion 7 of the section 8, which is designed as an external thread.
  • the threaded portion 11 may be about an external thread, which with a associated with him threaded portion 3 of the portion 9, which is designed as an internal thread, can be screwed.
  • the Fig. 2 shows the items of the invention according to the invention Fig. 1 in the screwed state, wherein the two sections 8 and 9 and the separating element 2 form a housing which in an opening of a door leaf 6 (in the Fig. 2 not shown) can be used.
  • FIG. 3 An inventive peephole in the use position is in the Fig. 3 can be seen, wherein the two sections 8 and 9 are screwed to the intermediate separating element 2 and inserted into an opening of a door leaf 6. Furthermore, in the Fig. 3 a cover plate 5 can be seen, which rests in the mounted state of the fish peephole on the outer surface facing the outer surface of the door leaf 6.
  • the cover plate 5 is usually made of a metallic material and may be about a nameplate.
  • the cover plate 5 is also in the Fig. 4 can be seen, showing the door leaf 6 in elevation with a door peephole according to the invention. From the peephole is in the Fig. 4 However, only the optical device 1 to see.
  • At least one transparent insert element 12 is arranged in the separating element 2, which covers the clear cross section of the separating element 2.
  • Fig. 5, Fig. 6 this insert element 12 can also be arranged in one of the sections 8, 9.
  • the insert element may be made of glass or plastic, and is preferably platelet-shaped.
  • the insert element 12, apart from its transparency, need not have any other optical properties, but it could be provided to make the insert element 12 approximately as a lens in order to achieve focusing or widening of the beam path between the optical device 1 and the opposite side of the door leaf 6 ,
  • the thermal bridge formed by the housing of the door spy is interrupted by the separating element 2, so that the heat transfer is reduced to the opposite side of the door leaf.
  • the heat transfer to the name badge 5, which is located in the outer area can be reduced.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Special Wing (AREA)
  • Supports Or Holders For Household Use (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Description

Die Erfindung betrifft einen Türspion, der ein rohrförmiges Gehäuse zum Einsetzen in einen Durchbruch eines Türblattes aufweist, wobei das Gehäuse eine optische Einrichtung trägt, und zumindest ein Trennelement vorgesehen ist, das das Gehäuse in zumindest zwei, in axialer Richtung nebeneinander liegende Teilstücke unterteilt, gemäß dem Oberbegriff von Anspruch 1.The invention relates to a door viewer, which has a tubular housing for insertion into an opening of a door leaf, wherein the housing carries an optical device, and at least one separating element is provided, which divides the housing into at least two, in the axial direction adjacent sections, according to the preamble of claim 1.

Türspione dieser Art sind seit Jahren bekannt und werden entweder als einteiliges, rohrförmiges Gehäuse, das die optische Einrichtung trägt und in einen Durchbruch eines Türblattes eingesetzt wird, ausgeführt, oder auch als zweiteiliges Gehäuse, wobei die jeweiligen Teilstücke von jeweils einer Außenseite des Türblattes in den Durchbruch eingeführt und miteinander etwa verschraubt werden. Das Gehäuse bzw. die Teilstücke des Gehäuses werden dabei, insbesondere für einen Einsatz in Feuerschutztüren, aufgrund der besseren Temperaturbeständigkeit aus einem metallischen Werkstoff gefertigt.Door spies of this type have been known for years and are either as a one-piece, tubular housing, which carries the optical device and is inserted into an opening of a door leaf, executed, or as a two-part housing, wherein the respective portions of each outer side of the door leaf in the Breakthrough introduced and screwed together about. The housing or the parts of the housing are made, in particular for use in fire doors, due to the better temperature resistance of a metallic material.

Die FR-A-1364899 offenbart einen Türspion mit einem rohrförmigen Gehäuse und einer optischen Einrichtung, sowie einem Trennelement, das das Gehäuse in zwei Teilstücke unterteilt.The FR-A-1364899 discloses a peephole with a tubular housing and an optical device, and a separator which divides the housing into two sections.

Dabei stellt sich aber das Problem, dass bei großer Wärmeentwicklung auf einer Seite des Türblattes der Türspion eine Wärmebrücke auf die gegenüberliegende Seite des Türblattes bildet. Aufgrund von Brandschutzbestimmungen ist aber vorgesehen, dass die Wärmeübertragung auf die gegenüberliegende Seite gewisse Werte nicht überschreiten darf. Insbesondere ergeben sich Schwierigkeiten, wenn der Türspion gemeinsam mit einer an einer Türblattaußenseite anliegenden Abdeckplatte, etwa ein Namensschild, ausgeführt werden soll, da die Abdeckplatte, die ebenfalls zumeist aus einem metallischen Werkstoff besteht, im Brandfall eine beträchtliche Wärmequelle auf der brandabgewandten Seite des Türblattes darstellen kann.However, there is the problem that with large heat development on one side of the door leaf of the spyhole forms a thermal bridge on the opposite side of the door leaf. Due to fire regulations, however, it is provided that the heat transfer to the opposite side may not exceed certain values. In particular, difficulties arise when the spyhole together with a voltage applied to a door leaf outside cover plate, such as a nameplate executed should be, since the cover plate, which is also usually made of a metallic material, in case of fire can represent a significant source of heat on the side facing away from the door leaf.

Die durch einen Türspion mit metallischem Gehäuse gebildete Wärmebrücke weist des weiteren auch den Nachteil auf, dass bei Hauseingangstüren oder Laubengangtüren, die von Wohnräumen direkt ins Freie führen, es zur Bildung von Kondenswasser kommen kann, das die Funktion des Türspions beeinträchtigt.The thermal bridge formed by a peephole with metallic housing also has the disadvantage that in the case of house entrance doors or pergola doors that lead directly from the living areas into the open, it can lead to the formation of condensation, which impairs the function of the fish peephole.

Es ist daher das Ziel der Erfindung einen Türspion vorzusehen, der diese Nachteile vermeidet. Insbesondere soll ein Türspion geschaffen werden, der im Brandfall eine Wärmeübertragung über das Gehäuse des Türspions reduziert und somit vorgeschriebene Brandschutzbestimmungen erfüllt. Des weiteren soll der erfindungsgemäße Türspion die Bildung von Kondenswasser vermeiden.It is therefore the object of the invention to provide a door viewer which avoids these disadvantages. In particular, a door viewer should be created, which reduces heat transfer through the housing of the door spy in the event of fire and thus fulfills prescribed fire protection regulations. Furthermore, the door viewer according to the invention should avoid the formation of condensation.

Diese Ziele werden durch die Merkmale von Anspruch 1 erreicht.These objects are achieved by the features of claim 1.

Anspruch 1 bezieht sich hierbei auf einen Türspion, der ein rohrförmiges Gehäuse zum Einsetzen in einen Durchbruch eines Türblattes aufweist, wobei das Gehäuse eine optische Einrichtung trägt, und zumindest ein Trennelement vorgesehen ist, das das Gehäuse in zumindest zwei, in axialer Richtung nebeneinander liegende Teilstücke unterteilt. Erfindungsgemäß ist vorgesehen, dass zumindest eines der Trennelemente eine niedrigere Wärmeleitfähigkeit als die beiden angrenzenden Teilstücke aufweist, und im Trennelement zumindest ein durchsichtiges Einsatzelement angeordnet ist, das den lichten Querschnitt des Trennelements abdeckt. Durch ein Trennelement dieser Art wird somit die durch das Gehäuse des Türspions gebildete Wärmebrücke unterbrochen, sodass die Wärmeübertragung auf die gegenüberliegende Seite des Türblattes reduziert wird. Damit kann aber auch etwa die Bildung von Kondenswasser vermieden werden. Anspruch 1 sieht hierzu vor, dass im Trennelement zumindest ein durchsichtiges Einsatzelement angeordnet ist, das den lichten Querschnitt des Trennelements abdeckt. Dadurch wird der Wärmeaustausch über die im Inneren des Türspions zirkulierende Luft unterbunden, sodass aber neben der Wärmeübertragung über Wärmeleitung entlang des Gehäuses auch die Wärmeübertragung über Wärmekonvektion verhindert wird.Claim 1 here refers to a spyhole, which has a tubular housing for insertion into an opening of a door leaf, wherein the housing carries an optical device, and at least one separating element is provided, the housing in at least two, in the axial direction adjacent sections divided. According to the invention it is provided that at least one of the separating elements has a lower thermal conductivity than the two adjacent sections, and at least one transparent insert element is arranged in the separating element, which covers the clear cross-section of the separating element. By a separator of this kind thus formed by the housing of the door spy thermal bridge is interrupted, so that the Heat transfer is reduced to the opposite side of the door leaf. But this can also be about the formation of condensation avoided. Claim 1 provides for this purpose that at least one transparent insert element is arranged in the separating element, which covers the clear cross-section of the separating element. As a result, the heat exchange is prevented by the air circulating in the interior of the door spy, so that in addition to the heat transfer via heat conduction along the housing, the heat transfer is prevented by heat convection.

Anspruch 2 bezieht sich auf eine Ausführungsvariante, bei der genau ein Trennelement vorgesehen ist, das das Gehäuse in zwei, in axialer Richtung nebeneinander liegende und jeweils zur Türblattaußenfläche gerichtete Teilstücke unterteilt.Claim 2 refers to a variant in which exactly one separating element is provided, which divides the housing in two, juxtaposed in the axial direction and each directed to the door leaf outer surface sections.

Anspruch 3 schlägt vor, das Trennelement hülsenförmig auszuführen, wobei gemäß Anspruch 4 das Trennelement endseitige Gewindeabschnitte zur Verschraubung mit den Teilstücken aufweist. Es wäre alternativ aber auch etwa möglich, eine Steckverbindung zwischen dem Trennelement und den angrenzenden Teilstücken des Gehäuses vorzusehen.Claim 3 proposes to perform the separator sleeve-shaped, wherein according to claim 4, the separating element has end-side threaded portions for screwing with the sections. It would alternatively be possible but about to provide a plug connection between the separating element and the adjacent sections of the housing.

Gemäß Anspruch 5 ist vorgesehen, dass die Teilstücke aus einem metallischen Werkstoff und das Trennelement aus einem Kunststoff, vorzugsweise ein Polyamid, gefertigt ist. Kunststoffe weisen eine geringere Wärmeleitfähigkeit als metallische Werkstoffe auf und eignen sich somit besonders für die Unterbrechung einer Wärmebrücke. Andererseits sollte bei der Wahl des Kunststoffs darauf geachtet werden, dass er über eine ausreichende Temperaturbeständigkeit verfügt.According to claim 5 it is provided that the sections of a metallic material and the separating element of a plastic, preferably a polyamide, is made. Plastics have a lower thermal conductivity than metallic materials and are therefore particularly suitable for interrupting a thermal bridge. On the other hand, care should be taken when choosing the plastic that it has sufficient temperature resistance.

Der erfindungsgemäße Türspion eignet sich insbesondere auch für die Verwendung mit an einer Türblattaußenfläche anliegenden Abdeckplatte, sodass gemäß Anspruch 6 vorgeschlagen wird, an zumindest einem Endabschnitt des Gehäuses eine Abdeckplatte vorzusehen, die in Gebrauchslage des Türspions an einer Außenfläche des Türblattes anliegt. Gemäß Anspruch 7 handelt es sich hierbei um ein Namensschild.The door viewer according to the invention is particularly suitable for use with on a door leaf outer surface adjacent cover plate so that it is proposed according to claim 6, to provide at least one end portion of the housing a cover plate which abuts in the position of use of the fish peephole on an outer surface of the door leaf. According to claim 7, this is a name tag.

Gemäß Anspruch 8 ist das Einsatzelement aus Glas gefertigt, und gemäß Anspruch 9 aus Kunststoff. In bevorzugter Weise ist gemäß Anspruch 10 das Einsatzelement plättchenförmig ausgeführt.According to claim 8, the insert element is made of glass, and according to claim 9 of plastic. Preferably, according to claim 10, the insert element is made platelet-shaped.

Die Erfindung wird im folgenden anhand der beiliegenden Zeichnungen näher erläutert. Es zeigen hierbei die

  • Fig. 1 einen erfindungsgemäßen Türspion mit einem Trennelement und den beiden angrenzenden Teilstücken im Aufriss, wobei die Einzelteile noch nicht zusammengefügt sind,
  • Fig. 2 den Türspion gemäß Fig. 1 im zusammengesetzten Zustand,
  • Fig. 3 einen Schnitt durch einen Teilbereich eines Türblattes, wobei in einem Durchbruch des Türblattes ein erfindungsgemäßer Türspion eingesetzt ist,
  • Fig. 4 ein Türblatt im Aufriss mit einem erfindungsgemäßen Türspion, der mit einer an der Türblattaußenfläche anliegenden Abdeckplatte versehen ist,
  • Fig. 5 einen erfindungsgemäßen Türspion mit einem Trennelement und den beiden angrenzenden Teilstücken im Aufriss, wobei die Einzelteile noch nicht zusammengefügt sind und ein zusätzliches Einsatzelement im Trennelement angeordnet ist, und
  • Fig. 6 den Türspion gemäß Fig. 5 im zusammengesetzten Zustand.
The invention will be explained in more detail below with reference to the accompanying drawings. It show here the
  • Fig. 1 a door peephole according to the invention with a separating element and the two adjacent sections in elevation, the individual parts are not yet joined,
  • Fig. 2 according to the spyhole Fig. 1 in the assembled state,
  • Fig. 3 a section through a portion of a door leaf, wherein in a breakthrough of the door leaf, an inventive peephole is used,
  • Fig. 4 a door leaf in elevation with a door peephole according to the invention, which is provided with a voltage applied to the door leaf outer surface cover plate,
  • Fig. 5 a door peephole according to the invention with a separating element and the two adjacent sections in elevation, wherein the items are not yet joined together and an additional insert element is arranged in the separating element, and
  • Fig. 6 according to the spyhole Fig. 5 in the assembled state.

Anhand der Fig. 1 werden zunächst die Einzelteile eines erfindungsgemäßen Türspions erläutert, wobei die Einzelteile noch nicht zusammengefügt sind. Es sind hierbei in der gezeigten Ausführungsform die beiden Teilstücke 8 und 9 ersichtlich, wobei etwa das Teilstück 8 mit einer optischen Einrichtung 1 versehen ist und in Gebrauchslage des Türspions in den Außenbereich eines durch das Türblatt 6 (in der Fig. 1 nicht dargestellt) abgegrenzten Wohnraumes gerichtet ist. Das Teilstück 9 ist in Gebrauchslage des Türspions in den Wohnraum gerichtet. Das Teilstück 9 kann mit einer Abdeckung 4 versehen sein, das in Gebrauchslage des Türspions an der in den Wohnraum gerichteten Außenfläche des Türblattes 6 anliegt. Die beiden Teilstücke 8 und 9 bestehen, insbesondere bei Feuerschutztüren, in der Regel aus einem metallischen Material.Based on Fig. 1 First, the items of a door spy according to the invention are explained, the items are not yet joined together. Here, in the embodiment shown, the two sections 8 and 9 can be seen, wherein approximately the section 8 is provided with an optical device 1 and in the position of use of the peephole in the outer area of a through the door leaf 6 (in the Fig. 1 not shown) demarcated housing is addressed. The section 9 is directed in the position of use of the peephole in the living room. The portion 9 may be provided with a cover 4, which abuts in the position of use of the fish peephole on the directed into the living space outer surface of the door leaf 6. The two sections 8 and 9 are, especially in fire doors, usually made of a metallic material.

Um den Wärmetransport zwischen den beiden Teilstücken 8 und 9 zu reduzieren ist erfindungsgemäß nun ein Trennelement 2 vorgesehen, das aus einem Material mit niedrigerer Wärmeleitfähigkeit als die beiden Teilstücke 8 und 9 gefertigt ist. Hierzu eignet sich etwa ein Kunststoff, beispielsweise ein Polyamid. Gemäß der in Fig. 1 gezeigten Ausführungsform ist das Trennelement hülsenförmig ausgeführt und weist zur Verschraubung mit den beiden Teilstücken 8 und 9 an seinen beiden Endabschnitten jeweils einen Gewindeabschnitt 10 und 11 auf. Dabei handelt es sich etwa bei dem Gewindeabschnitt 10 um ein Innengewinde, das mit einem ihm zugeordneten Gewindeabschnitt 7 des Teilstücks 8, das als Außengewinde ausgeführt ist, verschraubbar ist. Bei dem Gewindeabschnitt 11 kann es sich etwa um ein Außengewinde handeln, das mit einem ihm zugeordneten Gewindeabschnitt 3 des Teilstücks 9, das als Innengewinde ausgeführt ist, verschraubbar ist.In order to reduce the heat transfer between the two sections 8 and 9, a separator 2 is now provided according to the invention, which is made of a material with lower thermal conductivity than the two sections 8 and 9. A plastic, for example a polyamide, is suitable for this purpose. According to the in Fig. 1 the embodiment shown, the separating element is designed sleeve-shaped and has for screwing with the two sections 8 and 9 at its two end portions each have a threaded portion 10 and 11. These are approximately in the threaded portion 10 to an internal thread, which is screwed with an associated threaded portion 7 of the section 8, which is designed as an external thread. The threaded portion 11 may be about an external thread, which with a associated with him threaded portion 3 of the portion 9, which is designed as an internal thread, can be screwed.

Die Fig. 2 zeigt die Einzelteile des erfindungsgemäßen Türspions gemäß Fig. 1 im verschraubten Zustand, wobei die beiden Teilstücke 8 und 9 sowie das Trennelement 2 ein Gehäuse bilden, das in einen Durchbruch eines Türblattes 6 (in der Fig. 2 nicht dargestellt) eingesetzt werden kann.The Fig. 2 shows the items of the invention according to the invention Fig. 1 in the screwed state, wherein the two sections 8 and 9 and the separating element 2 form a housing which in an opening of a door leaf 6 (in the Fig. 2 not shown) can be used.

Ein erfindungsgemäßer Türspion in Gebrauchslage ist in der Fig. 3 ersichtlich, wobei die beiden Teilstücke 8 und 9 mit dem dazwischenliegenden Trennelement 2 verschraubt und in einen Durchbruch eines Türblattes 6 eingesetzt sind. Des weiteren ist in der Fig. 3 eine Abdeckplatte 5 ersichtlich, die im montierten Zustand des Türspions an der in den Außenbereich gerichteten Außenfläche des Türblattes 6 anliegt. Die Abdeckplatte 5 besteht in der Regel aus einem metallischen Werkstoff und kann etwa ein Namensschild sein.An inventive peephole in the use position is in the Fig. 3 can be seen, wherein the two sections 8 and 9 are screwed to the intermediate separating element 2 and inserted into an opening of a door leaf 6. Furthermore, in the Fig. 3 a cover plate 5 can be seen, which rests in the mounted state of the fish peephole on the outer surface facing the outer surface of the door leaf 6. The cover plate 5 is usually made of a metallic material and may be about a nameplate.

Die Abdeckplatte 5 ist auch in der Fig. 4 ersichtlich, die das Türblatt 6 im Aufriss mit einem erfindungsgemäßen Türspion zeigt. Vom Türspion ist in der Fig. 4 allerdings nur die optische Einrichtung 1 zu sehen.The cover plate 5 is also in the Fig. 4 can be seen, showing the door leaf 6 in elevation with a door peephole according to the invention. From the peephole is in the Fig. 4 However, only the optical device 1 to see.

Um die Bildung von Kondenswasser im Inneren des Türspions und insbesondere an den optischen Elementen der otpischen Einrichtung 1 effektiver zu unterbinden, ist im Trennelement 2 zumindest ein durchsichtiges Einsatzelement 12 angeordnet ist, das den lichten Querschnitt des Trennelements 2 abdeckt (Fig. 5, Fig. 6). Dieses Einsatzelement 12 kann aber auch in einem der Teilstücke 8, 9 angeordnet sein. Dadurch wird der Wärmeaustausch über die im Inneren des Türspions zirkulierende Luft unterbunden, sodass neben der Wärmeübertragung über Wärmeleitung entlang des Gehäuses auch die Wärmeübertragung über Wärmekonvektion verhindert wird. Das Einsatzelement kann aus Glas oder Kunststoff gefertigt sein, und ist in bevorzugter Weise plättchenförmig ausgeführt. Das Einsatzelement 12 muss abgesehen von dessen Durchsichtigkeit keine anderen optischen Eigenschaften aufweisen, es könnte aber vorgesehen sein, das Einsatzelement 12 etwa als Linse auszuführen, um eine Fokussierung oder eine Aufweitung des Strahlenganges zwischen der optischen Einrichtung 1 und der gegenüberliegenden Seite des Türblattes 6 zu erreichen.In order to more effectively prevent the formation of condensation in the interior of the peephole and in particular on the optical elements of the optical device 1, at least one transparent insert element 12 is arranged in the separating element 2, which covers the clear cross section of the separating element 2. Fig. 5, Fig. 6 ). However, this insert element 12 can also be arranged in one of the sections 8, 9. As a result, the heat exchange is prevented by the circulating air inside the door spy, so that in addition to the heat transfer via heat conduction along the housing and the heat transfer is prevented by heat convection. The insert element may be made of glass or plastic, and is preferably platelet-shaped. The insert element 12, apart from its transparency, need not have any other optical properties, but it could be provided to make the insert element 12 approximately as a lens in order to achieve focusing or widening of the beam path between the optical device 1 and the opposite side of the door leaf 6 ,

Durch das Trennelement 2 wird somit die durch das Gehäuse des Türspions gebildete Wärmebrücke unterbrochen, sodass die Wärmeübertragung auf die gegenüberliegende Seite des Türblattes reduziert wird. Insbesondere kann etwa bei einem Brandfall im Wohnbereich die Wärmeübertragung auf das Namensschild 5, das sich im Außenbereich befindet, verringert werden. Durch das Trennelement 2 kann aber auch etwa die Bildung von Kondenswasser vermieden werden.Thus, the thermal bridge formed by the housing of the door spy is interrupted by the separating element 2, so that the heat transfer is reduced to the opposite side of the door leaf. In particular, in the event of a fire in the living area, for example, the heat transfer to the name badge 5, which is located in the outer area, can be reduced. By the separation element 2 but also about the formation of condensation can be avoided.

Claims (10)

  1. A peephole, comprising a tubular housing for insertion into a breakthrough of a door leaf (6), with the housing carrying an optical device (1) and at least one separating element (2) being provided which divides the housing into at least two sections (8, 9) lying next to one another in the axial direction, characterized in that the at least one separating element (2) has a lower thermal conductivity than the two adjacent sections (8, 9) and in the at least one separating element (2) at least one transparent insert element (12) is arranged which covers the clear opening of the separating element (2).
  2. A peephole according to claim 1, characterized in that precisely one separating element (2) is provided which divides the housing into two sections (8, 9) which are situated next one another in the axial direction and each face towards the outside surface of the door leaf
  3. A peephole according to claim 2, characterized in that the separating element (2) is arranged in a sleeve-like manner.
  4. A peephole according to claim 3, characterized in that the separating element (2) has threaded sections (10, 11) at the end side for screwing together with the sections (8, 9).
  5. A peephole according to one of the claims 2 to 4, characterized in that the sections (8, 9) are made of a metallic material and the separating element (2) is made of a plastic material, preferably a polyamide.
  6. A peephole according to one of the claims 1 to 5, characterized in that a cover plate (5) is provided on at least one end section of the housing, which cover plate rests on an outside surface of the door leaf (6) in the position of use of the peephole.
  7. A peephole according to claim 6, characterized in that the cover plate (5) concerns a name plate (5).
  8. A peephole according to one of the claims 1 to 7, characterized in that the insert element (12) is made of glass.
  9. A peephole according to one of the claims 1 to 7, characterized in that the insert element (12) is made of a plastic material.
  10. A peephole according to one of the claims 1 to 9, characterized in that the insert element (12) is arranged in the shape of a small plate.
EP05104158A 2004-08-18 2005-05-18 Spyhole viewer Active EP1627984B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT05104158T ATE423264T1 (en) 2004-08-18 2005-05-18 DOOR VIEWER

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0060104U AT7830U1 (en) 2004-08-18 2004-08-18 DOOR PIONEER WITH THERMAL SEPARATOR
AT0093904U AT8185U1 (en) 2004-08-18 2004-12-23 DOOR SPY

Publications (3)

Publication Number Publication Date
EP1627984A2 EP1627984A2 (en) 2006-02-22
EP1627984A3 EP1627984A3 (en) 2006-06-07
EP1627984B1 true EP1627984B1 (en) 2009-02-18

Family

ID=40427653

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05104158A Active EP1627984B1 (en) 2004-08-18 2005-05-18 Spyhole viewer

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EP (1) EP1627984B1 (en)
AT (2) AT8185U1 (en)
DE (1) DE502005006637D1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2790554C1 (en) * 2022-06-27 2023-02-22 Александр Георгиевич Семенов Complex from partition and observation devices

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102817543B (en) * 2012-07-30 2016-12-21 广东镖臣防盗设备有限公司 Anti-theft lock peephole
CN106401432B (en) * 2016-11-25 2018-11-30 李紫文 A kind of door of double cat eye structures

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1948588A (en) * 1930-02-13 1934-02-27 Leeds & Northrup Co Optical system
FR1364899A (en) * 1963-07-16 1964-06-26 Optical viewfinder with telescopic elements with clamping
FR2635140B1 (en) * 1988-08-02 1995-06-16 Enet Philippe JUDAS FOR DOOR

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2790554C1 (en) * 2022-06-27 2023-02-22 Александр Георгиевич Семенов Complex from partition and observation devices

Also Published As

Publication number Publication date
DE502005006637D1 (en) 2009-04-02
EP1627984A2 (en) 2006-02-22
AT8185U1 (en) 2006-03-15
ATE423264T1 (en) 2009-03-15
EP1627984A3 (en) 2006-06-07

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