EP1111175A1 - Lock for door of apparatus - Google Patents
Lock for door of apparatus Download PDFInfo
- Publication number
- EP1111175A1 EP1111175A1 EP99125878A EP99125878A EP1111175A1 EP 1111175 A1 EP1111175 A1 EP 1111175A1 EP 99125878 A EP99125878 A EP 99125878A EP 99125878 A EP99125878 A EP 99125878A EP 1111175 A1 EP1111175 A1 EP 1111175A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- locking
- recess
- locking pin
- door
- handle
- 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
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C19/00—Other devices specially designed for securing wings, e.g. with suction cups
- E05C19/06—Other devices specially designed for securing wings, e.g. with suction cups in which the securing part if formed or carried by a spring and moves only by distortion of the spring, e.g. snaps
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C5/00—Fastening devices with bolts moving otherwise than only rectilinearly and only pivotally or rotatively
-
- 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
- E05B15/02—Striking-plates; Keepers; Bolt staples; Escutcheons
- E05B15/0205—Striking-plates, keepers, staples
- E05B15/021—Strikers having multiple positions for the bolt
Definitions
- the invention relates to a closure for doors of devices in which goods or Foods may be exposed to increased temperature and / or pressure, consisting of a locking pin which is transverse to its longitudinal axis at least one locking recess has, and a locking element which under spring force in the said recess can immerse.
- a door lock preferably for hot appliance doors, is known from DB 42 08 216 A1 has the following structure: A locking pin is inserted into the door, which is immovably rotatably mounted and has a handle on the outside.
- the Locking pin is coupled to a return spring and has a locking groove that in a certain circumferential section is arranged.
- One wall of the locking groove is that Facing the door surface runs parallel to the door surface.
- a lock case is provided on the device housing and has an opening for insertion of the locking pin.
- In the lock case is a cross to the trajectory of the Locking pin slidable locking member mounted, which is under spring force and against the locking pin is pressed.
- the locking member is designed as a locking slide, which in two different grooves Can engage locking pin.
- the bolt slide stops in the inner groove adjacent to the door leaf.
- the return spring provides the locking pin to the rotational position in which the axial plane of the first groove with the The trajectory of the bolt slide is aligned.
- the locking pin is rotated about its longitudinal axis until the Latch slide is pushed out of the first groove, i.e. the slide on the base the second groove can slide.
- the spring force of the door seal pushes the door leaf over a few mm or cm until the movement through the stop surface of the second groove is limited.
- the door leaf is held in this position until the handle again, but now by a larger angle, is rotated.
- the bolt slide will then pushed so far until its edge over the cylindrical part of the locking pin can slide so that the door can be opened fully.
- a return spring is provided between the door leaf and the locking pin, which tries the to push the deflected handle into the middle position. Another return spring moves the bolt slide into one or the other groove of the locking pin. That feather but must - at least in one embodiment - be so strong that it is in the Intermediate position holds the bolt slide on the bottom of the associated groove, that is the handle does not automatically go into the middle position. Then namely Open the lock fully without touching the handle.
- the door lock described is relatively expensive because it is in addition to that in the door stored locking pin with differently milled grooves and a return spring an expensive lock case needed, in which the bolt slide easily movable against the Force of the spring mentioned must be slidably mounted.
- the closure is also prone to failure, because the locking pin and the Latch slide worn due to friction. If the hinges or other parts give way, there is a risk of jamming.
- the invention has for its object a reduction in the long term Avoid locking security and a particularly reliable and inexpensive or to create two-stage door lock, the larger of its construction Allows tolerances on the door and housing.
- the locking pin is attached to the device housing is that the locking element consists of a U-shaped, resilient bracket, so on the built in the door leaf shaft of an operating handle that its crossbar is deflectable resiliently perpendicular to the axis of rotation, and that the actuating handle by a Spring is held in the central position, from which it can be deflected so far that the crossbar the resilient bracket is lifted onto an axially parallel surface of the locking pin, whereby the door can be opened.
- the locking pin is designed so that result in two closed positions.
- the door can be closed with one movement or be slammed, while the opening inevitably takes place in two stages.
- the handle immediately moves into the Middle position back. If you now deflect it counterclockwise, it becomes spring latch fully released and the door can be opened fully.
- Fig. 1 denotes an operating handle, 2 a handle plate, with 2a the cylindrical neck of this shield, with 3 a fastening screw and with 4 a very short wave.
- the handle 1 is fastened to the shaft 4 with the screw 3.
- a 0 ring 5 reduces the friction between shaft 4 and handle plate 2.
- the shaft 4 is with With the help of a screw 6, a U-shaped spring clip 7 is attached, the cross bar 7a of which Role 8 carries.
- a leg spring 9 is also mounted, the handle 1 returns to the center position after deflection.
- the handle plate 2 has two Mounting holes 2b, 2c, with the help of the handle plate 2 on the door of the device can be attached.
- In front of the handle shield 2 there is a so-called hygiene sleeve 10 arranged to protect the mechanism from dust and swaths.
- the 11 with a locking pin is designated, for example, from hexagonal material can be made.
- the front region 11 a is designed as a cone, the rear 11 b as a threaded rod.
- a locking recess 11c running at right angles to the main axis is milled out, whose blocking surface 11 c1 is perpendicular to the axis indicated by dash-dotted lines.
- the locking pin 11 is screwed to the frame of the device housing. If you have the Presses the door, the roller 8 approaches the cone 11a. He directs the spring clip 7 down until the roller 8 snaps into the recess 11c. The door is locked whereby a circumferential seal is compressed and exerts a counterforce. If you now turn the operating handle by about 45 °, the roller 8 is under Deformation of the resilient bracket 7 pressed down until the roller 8 over the Blocking surface 11c1 slides away
- the leg spring 9 is on a mandrel 12 stored.
- the spring 9 is deformed.
- the crosspiece 7a pushed the roller 8.
- 3 and 4 represent octagonal grips 13 which are fastened via holes 1 3a, 1 3b become.
- the leg spring 9 rests on a mandrel 12 which is part of the shaft 4.
- 4a is denotes an axially parallel surface, the grooves 4b, 4c for receiving the spring clip 7 having.
- the two legs of the spring 9 lie on a V-shaped recess 4d. Your Ends rest on stop surfaces 13c, 13d of the handle plate 13.
- Fig. 5 shows the locking pin 11 for a one-step locking.
- Fig. 5a the contour lines are round at the bottom, parallel at the sides and prismatic at the top.
- the Line 11 c indicates the recess.
- Fig. 5c shows the side view with the cone 11a, the threaded rod 11b and Notch 11c.
- Fig. 6 shows a side view, top view and front view of a locking pin 14 for a two-stage lock.
- a conical surface is designated 14a, the threaded rod 14b.
- a first one Locking recess 14c applies to the tight door lock, a second 14d to the Pre-opening stage.
- the actual blocking surfaces 14c1 and 14d1 are perpendicular to the Axis AB.
- the right boundary of the locking recess 14d is an inclined surface 14d2.
- roller 8 moves under deflection of the spring clip 7 over the surface of the Cone 14a until it snaps into the recess 14d.
- 6b shows the locking pin 14 from above. Except the locking recesses 14c and 14d as well as the additional cutout 14e, one can see a further additional cutout 14f, which it is the Roll 8 allows, with a corresponding rotation counterclockwise To overcome the restricted area 14d1.
- Fig. 6c shows the locking pin 14 in the rear view. Another can be seen Additional milling 14g, which is designed so that the roller 8 is not raised when one to achieve the pre-opening the operating handle counterclockwise, i.e. in moving in the wrong direction.
- the whole system is absolutely foolproof. You can close the door or throwing. To open the door, an additional spring can be provided so that the Opening movement takes place automatically after complete unlocking.
- Fig. 7a shows the spring clip 7 with the cross bar 7a and the roller 8 from above.
- the basically U-shaped spring wire bracket at the right end in bevelled at different distances.
- the bent ends 7b and 7c settle when mounting in the recesses 4b and 4c (in Fig. 3 and 4). Be in this position it secured by an indicated disc 15 and a screw 16.
- Fig. 7c shows the spring clip 7 and the roller 8 seen from behind in the prestressed Location.
- the described novel system for one- or two-stage locking of a door is extremely easy, quick to change from one design to another and above all insensitive to interference. Since the locking element consists of a simple spring clip, there is no sliding surfaces that could stick due to traces of grease or the like. Tolerances too between door and housing caused by wear of the hinges, temperature differences or incrustations can have little effect on the function. if the Door seals should age and their springback properties should deteriorate The locking pin can be easily readjusted using its threaded rod.
- a stop surface on the housing frame provide the angular position of the locking pin on the locking recesses side facing away
- the device door lock described is extremely suitable, especially in commercial used hot devices.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lock And Its Accessories (AREA)
- Special Wing (AREA)
Abstract
Description
Die Erfindung betrifft einen Verschluß für Türen von Geräten, in denen Waren oder Lebensmittel erhöhter Temperatur und/oder Druck ausgesetzt sein können, bestehend aus einem Schließzapfen, der quer zu seiner Längsachse mindestens eine Rastvertiefung aufweist, und einem Riegelelement, das unter Federkraft in die genannte Rastvertiefung eintauchen kann.The invention relates to a closure for doors of devices in which goods or Foods may be exposed to increased temperature and / or pressure, consisting of a locking pin which is transverse to its longitudinal axis at least one locking recess has, and a locking element which under spring force in the said recess can immerse.
Aus der DB 42 08 216 A1 ist ein Türverschluß, vorzugsweise für Heißgerätetüren, bekannt geworden, der folgenden Aufbau aufweist: In die Tür ist ein Schließzapfen eingesetzt, der unverschieblich drehbar gelagert ist und außenseitig einen Handgriff aufweist. Der Schließzapfen ist mit einer Rückholfeder gekoppelt und weist eine Riegelnut auf, die in einem bestimmten Umfangsabschnitt angeordnet ist. Eine Wand der Riegelnut ist der Türfläche zugewandt, verläuft also parallel zur Türfläche.A door lock, preferably for hot appliance doors, is known from DB 42 08 216 A1 has the following structure: A locking pin is inserted into the door, which is immovably rotatably mounted and has a handle on the outside. The Locking pin is coupled to a return spring and has a locking groove that in a certain circumferential section is arranged. One wall of the locking groove is that Facing the door surface runs parallel to the door surface.
Am Gerätegehäuse ist ein Schloßkasten vorgesehen, der eine Öffnung für das Einführen des Schließzapfens aufweist. In dem Schloßkasten ist ein quer zur Bewegungsbahn des Schließzapfens verschiebbares Riegelglied gelagert, das unter Federkraft steht und gegen den Schließzapfen gepreßt wird.A lock case is provided on the device housing and has an opening for insertion of the locking pin. In the lock case is a cross to the trajectory of the Locking pin slidable locking member mounted, which is under spring force and against the locking pin is pressed.
Das Riegelglied ist als Riegelschieber ausgebildet, der in zwei unterschiedliche Nuten des Schließzapfens eingreifen kann. Wenn die Tür fest verschlossen ist, ruht der Riegelschieber in der inneren, dem Türblatt benachbarten Nut. Die Rückholfeder stellt den Schließzapfen auf diejenige Drehstellung ein, in der die Axialebene der ersten Nut mit der Bewegungsbahn des Riegelschiebers fluchtet.The locking member is designed as a locking slide, which in two different grooves Can engage locking pin. When the door is closed securely, the bolt slide stops in the inner groove adjacent to the door leaf. The return spring provides the locking pin to the rotational position in which the axial plane of the first groove with the The trajectory of the bolt slide is aligned.
Beim Schließen der Tür wird der Schließzapfen so weit in die Aufnahmeöffnung des Schloßkastens gedrückt, bis der Riegelschieber in die erste Nut einrastet. Dabei ist die Türdichtung zusammengepreßt.When the door is closed, the locking pin is pushed so far into the receiving opening of the Lock case pressed until the bolt slide engages in the first groove. Here is the Door seal pressed together.
Zum Öffnen der Tür wird der Schließzapfen um seine Längsachse gedreht, bis der Riegelschieber aus der ersten Nut herausgedrückt ist, der Schieber also auf der Grundfläche der zweiten Nut gleiten kann. Die Rückfederkraft der Türdichtung drückt das Türblatt um einige mm oder cm auf, bis die Bewegung durch die Anschlagfläche der zweiten Nut begrenzt wird. In dieser Stellung wird das Türblatt so lange festgehalten, bis der Handgriff erneut, aber jetzt um einen größeren Winkel, verdreht wird. Der Riegelschieber wird dann so weit hochgedrückt, bis seine Kante über den zylindrischen Teil des Schließzapfens gleiten kann, so daß die Tür voll zu öffnen ist.To open the door, the locking pin is rotated about its longitudinal axis until the Latch slide is pushed out of the first groove, i.e. the slide on the base the second groove can slide. The spring force of the door seal pushes the door leaf over a few mm or cm until the movement through the stop surface of the second groove is limited. The door leaf is held in this position until the handle again, but now by a larger angle, is rotated. The bolt slide will then pushed so far until its edge over the cylindrical part of the locking pin can slide so that the door can be opened fully.
Zwischen Türblatt und Schließzapfen ist eine Rückstellfeder vorgesehen, die versucht, den ausgelenkten Handgriff in die Mittelstellung zu drücken. Eine weitere Rückstellfeder bewegt den Riegelschieber in die eine oder andere Nut des Schließzapfens. Diese Feder muß aber - zumindest bei einer Ausführungsform - so stark sein, daß sie in der Zwischenstellung den Riegelschieber auf dem Grund der zugehörigen Nut hält, daß also der Handgriff nicht selbsttätig in die Mittelstellung geht. Dann nämlich würde der Verschluß ohne Berührung des Handgriffes ganz öffnen.A return spring is provided between the door leaf and the locking pin, which tries the to push the deflected handle into the middle position. Another return spring moves the bolt slide into one or the other groove of the locking pin. That feather but must - at least in one embodiment - be so strong that it is in the Intermediate position holds the bolt slide on the bottom of the associated groove, that is the handle does not automatically go into the middle position. Then namely Open the lock fully without touching the handle.
Der beschriebene Türverschluß ist relativ aufwendig, weil er außer dem in der Tür zu lagernden Schließzapfen mit unterschiedlich ausgefrästen Nuten und einer Rückstellfeder einen teuren Schloßkasten benötigt, in dem der Riegelschieber leicht beweglich gegen die Kraft der genannten Feder verschiebbar gelagert werden muß.The door lock described is relatively expensive because it is in addition to that in the door stored locking pin with differently milled grooves and a return spring an expensive lock case needed, in which the bolt slide easily movable against the Force of the spring mentioned must be slidably mounted.
Der Verschluß ist aber auch störanfällig, weil sich der Schließzapfen und der Riegelschieber durch Reibung abnutzt. Falls die Scharniere oder sonstige Teile nachgeben, besteht die Gefahr des Verklemmens.The closure is also prone to failure, because the locking pin and the Latch slide worn due to friction. If the hinges or other parts give way, there is a risk of jamming.
Der Erfindung liegt die Aufgabe zugrunde, auf Dauer eine Reduzierung der Schließsicherheit zu vermeiden und einen besonders zuverlässigen und preiswerten ein- oder zweistufigen Türverschluß zu schaffen, der von seiner Konstruktion her größere Toleranzen an Tür und Gehäuse zuläßt.The invention has for its object a reduction in the long term Avoid locking security and a particularly reliable and inexpensive or to create two-stage door lock, the larger of its construction Allows tolerances on the door and housing.
Es ist weiterhin Aufgabe der Erfindung, die Montageschritte sehr einfach zu gestalten und die Einbauzeiten zu minimieren.It is also an object of the invention to make the assembly steps very simple and to minimize installation times.
Erfindungsgemäß gelingt dies dadurch, daß der Schließzapfen am Gerätegehäuse befestigt ist, daß das Riegelelement aus einem U-förmigen, federnden Bügel besteht, der so auf der im Türblatt gelagerten Welle eines Betätigungsgriffes aufgebaut ist, daß sein Quersteg federnd senkrecht zur Drehachse auslenkbar ist, und daß der Betätigungsgriff durch eine Feder in der Mittelstellung gehalten ist, aus der er so weit auslenkbar ist, daß der Quersteg des federnden Bügels auf eine achsparallele Fläche des Schließzapfens angehoben wird, wodurch sich die Tür öffnen läßt.According to the invention, this is achieved in that the locking pin is attached to the device housing is that the locking element consists of a U-shaped, resilient bracket, so on the built in the door leaf shaft of an operating handle that its crossbar is deflectable resiliently perpendicular to the axis of rotation, and that the actuating handle by a Spring is held in the central position, from which it can be deflected so far that the crossbar the resilient bracket is lifted onto an axially parallel surface of the locking pin, whereby the door can be opened.
Bei einem bevorzugten Ausführungsbeispiel ist der Schließzapfen so ausgebildet, daß sich zwei Schließstellungen ergeben. Die Tür kann mit einer Bewegung zugedrückt oder zugeschlagen werden, während die Öffnung zwangsläufig in zwei Stufen erfolgt. Bei Bewegung des Betätigungsgriffes im Uhrzeigersinn erfolgt eine Voröffnung, in der heiße Schwaden aus dem Gehäuse abziehen können. Der Griff bewegt sich sofort in die Mittelstellung zurück. Lenkt man ihn jetzt entgegen dem Uhrzeigersinn aus, wird der federnde Riegel ganz freigegeben und die Tür kann voll geöffnet werden.In a preferred embodiment, the locking pin is designed so that result in two closed positions. The door can be closed with one movement or be slammed, while the opening inevitably takes place in two stages. At Moving the operating handle clockwise results in a pre-opening in which hot Can pull vapors out of the housing. The handle immediately moves into the Middle position back. If you now deflect it counterclockwise, it becomes spring latch fully released and the door can be opened fully.
Ein Ausführungsbeispiel der Erfindung wird anhand von Fig. 1 - 7 der Zeichnungen erläutert.
- Fig. 1
- zeigt den Türverschluß von der Seite, wobei ein Teil im Schnitt dargestellt ist,
- Fig. 2
- die Rückseite des Befestigungsbeschlages,
- Fig. 3
- eine leicht abgewandelte Form des Beschlages in Ruhestellung,
- Fig. 4
- das Gleiche bei Auslenkung,
- Fig. 5
- einen Schließbolzen für einen einstufigen Verschluß,
- Fig. 6
- einen Schließbolzen für einen zweistufigen Verschluß,
- Fig. 7
- die Form des Federbügels.
- Fig. 1
- shows the door lock from the side, a part being shown in section,
- Fig. 2
- the back of the mounting bracket,
- Fig. 3
- a slightly modified form of the fitting in the rest position,
- Fig. 4
- the same with deflection,
- Fig. 5
- a locking bolt for a one-step lock,
- Fig. 6
- a locking bolt for a two-stage lock,
- Fig. 7
- the shape of the spring clip.
In Fig. 1 ist mit 1 ein Betätigungsgriff bezeichnet, mit 2 ein Griffschild, mit 2a der
zylindrische Hals dieses Schildes, mit 3 eine Befestigungsschraube und mit 4 eine sehr
kurze Welle. Der Griff 1 wird mit Hilfe der Schraube 3 an der Welle 4 befestigt. Ein 0-Ring
5 verringert die Reibung zwischen Welle 4 und Griffschild 2. An der Welle 4 ist mit
Hilfe einer Schraube 6 ein U-förmiger Federbügel 7 befestigt, dessen Quersteg 7a eine
Rolle 8 trägt. Auf der Welle 4 ist außerdem eine Schenkelfeder 9 gelagert, die den Griff 1
nach Auslenkung in die Mittelstellung zurückführt. Der Griffschild 2 weist zwei
Befestigungslöcher 2b, 2c auf, mit deren Hilfe der Griffschild 2 auf der Tür des Gerätes
befestigt werden kann. Vor dem Griffschild 2 ist eine sogenannte Hygienehülse 10
angeordnet, die den Mechanismus vor Staub und Schwaden schützen soll.In Fig. 1, 1 denotes an operating handle, 2 a handle plate, with 2a the
cylindrical neck of this shield, with 3 a fastening screw and with 4 a very
short wave. The
Mit 11 ist ein Schließzapfen bezeichnet, der beispielsweise aus Sechskantmaterial
hergestellt sein kann. Der vordere Bereich 11 a ist als Kegel ausgebildet, der hintere 11 b
als Gewindestange.11 with a locking pin is designated, for example, from hexagonal material
can be made. The
Im Mittelteil ist unten eine quer zur Hauptachse verlaufende Rastvertiefung 11 c ausgefräst,
deren Sperrfläche 11 c1 senkrecht auf der strichpunktiert angedeuteten Achse steht. In the middle part, a
Der Schließzapfen 11 wird mit der Zarge des Gerätegehäuses verschraubt. Wenn man die
Tür zudrückt, nähert sich die Rolle 8 dem Kegel 11a. Er lenkt den Federbügel 7 nach unten
aus, bis die Rolle 8 in die Rastvertiefung 11c einschnappt. Die Tür ist fest verschlossen,
wobei eine umlaufende Dichtung zusammengedrückt wird und eine Gegenkraft ausübt.
Wenn man jetzt den Betätigungsgriff um etwa 45° verdreht, wird die Rolle 8 unter
Verformung des federnden Bügels 7 nach unten gedrückt, bis die Rolle 8 über die
Sperrfläche 11c1 hinweggleitetThe locking
Fig. 2 zeigt das Innere des Griffschildes2: Auf einem Dorn 12 ist die Schenkelfeder 9
gelagert. Beim Verdrehen der Welle 4 wird die Feder 9 verformt. Über den Quersteg 7a ist
die Rolle 8 geschoben.2 shows the inside of the handle plate 2: the
Fig. 3 und 4 stellen achteckige Griffschilde 13 dar, die über Löcher 1 3a, 1 3b befestigt
werden. Die Schenkelfeder 9 ruht auf einem Dorn 12, der Teil der Welle 4 ist. Mit 4a ist
eine achsparallele Fläche bezeichnet, die Nuten 4b, 4c zur Aufnahme des Federbügels 7
aufweist. Die beiden Schenkel der Feder 9 liegen an einer V-förmigen Aussparung 4d. Ihre
Enden ruhen an Anschlagflächen 13c, 13d des Griffschildes 13.3 and 4 represent
Wenn man gemäß Fig. 4 die Welle 4 um etwa 45° im Uhrzeigersinn verdreht, wird die
Feder 9 stark zusammengepreßt. Bei Entlastung des Betätigungsgriffes geht sie in die
neutrale Mittelstellung zurück.4 rotates the
Fig. 5 zeigt den Schließzapfen 11 für eine einstufige Verriegelung.Fig. 5 shows the locking
In Fig. 5a sind die Umrißlinien unten rund, seitlich parallel und oben prismenförmig. Die
Linie 11 c deutet die Rastvertiefung an.In Fig. 5a the contour lines are round at the bottom, parallel at the sides and prismatic at the top. The
In Fig. Sb ist der Querschnitt ein Sechskant.In Fig. Sb the cross section is a hexagon.
Fig. 5c zeigt die Seitenansicht mit dem Kegel 11a, der Gewindestange 11b und der
Rastvertiefung 11c.Fig. 5c shows the side view with the
Um einen einstufigen Verschluß in einen zweistufigen umzuwandeln, genügt es, den
Schließzapfen 11 durch einen anderen mit zwei Rastvertiefungen zu ersetzen.In order to convert a one-stage closure into a two-stage one, it is sufficient to
To replace locking
Fig. 6 zeigt in Seitenansicht, Draufsicht und Vorderansicht einen Schließzapfen 14 für
einen Zweistufenverschluß. Fig. 6 shows a side view, top view and front view of a locking
In Fig. 6a ist eine Kegelfläche mit 14a bezeichnet, die Gewindestange mit 14b. Eine erste
Rastvertiefung 14c gilt für den dichten Türverschluß, eine zweite 14d für die
Voröffnungsstufe. Die eigentlichen Sperrflächen 14c1 und 14d1 stehen senkrecht auf der
Achse AB. Die rechte Begrenzung der Rastvertiefung 14d ist eine schräge Fläche 14d2.6a, a conical surface is designated 14a, the threaded
Wenn die Tür zugedrückt wird, was ohne Benutzung des Betätigungsgriffes 1 stattfinden
kann, bewegt sich die Rolle 8 unter Auslenkung des Federbügels 7 über die Fläche des
Kegels 14a, bis sie in der Vertiefung 14d einrastet.If the door is closed, what will take place without using the
Die Tür könnte in dieser Voröffnungsstufe stehen bleiben. In aller Regel drückt man jedoch
so fest, daß die Rolle 8 über die schräge Fläche 14d2 läuft, um bei maximaler Pressung der
Dichtung in die Rastvertiefung 14e zu gelangen.The door could stay in this pre-opening stage. As a rule, however, you press
so tight that the
Für die Öffnung der Tür in zwei Stufen ist es ganz wichtig, daß der Schließzapfen 14
zwischen der ersten Rastvertiefung 14c und der zweiten Rastvertiefung 14d eine
Zusatzausfräsung 14e erhält, die es als äquidistante Fläche auf versetztem Umfangswinkel
ermöglicht, daß die Rolle 8 bei einer 45°-Drehung im Uhrzeigersinn von der ersten
Sperrfläche 14c1 freikommt und von der zweiten Sperrfläche 14d1 aufgehalten wird.
Anschließend bewegt sich der Betätigungsgriff 1 unter Kraft der Schenkelfeder 9 in die
neutrale Mittelstellung, und die Rolle 8 liegt voll in der Rastvertiefung 14d. In dieser Phase
kann das Gerät ablüften, d.h., Schwaden, Dampf oder Rauch können entweichen. Um die
Tür ganz zu öffnen, muß jetzt der Betätigungsgriff entgegen dem Uhrzeigersinn bewegt
werden.To open the door in two stages, it is very important that the locking
Fig. 6b zeigt den Schließzapfen 14 von oben. Außer den Rastvertiefungen 14c und 14d
sowie der Zusatzausfräsung 14e erkennt man eine weitere Zusatzausfräsung 14f, die es der
Rolle 8 ermöglicht, bei entsprechender Verdrehung entgegen dem Uhrzeigersinn die
Sperrfläche 14d1 zu überwinden.6b shows the locking
Fig. 6c stellt den Schließzapfen 14 in der Rückansicht dar. Man erkennt eine weitere
Zusatzausfräsung 14g, die so gestaltet ist, daß die Rolle 8 nicht angehoben wird, wenn man
zur Erzielung der Voröffnung den Betätigungsgriff entgegen dem Uhrzeigersinn, also in
die falsche Richtung bewegt.Fig. 6c shows the locking
Sowohl in der ersten als auch in der zweiten Öffnungsstufe bleibt eine Fehlbedienung ohne Folgen: Der Benutzer registriert den Fehlgriff und bewegt den Griff in die Gegenrichtung.In both the first and the second opening stage, incorrect operation remains without Consequences: The user registers the wrong grip and moves the grip in the opposite direction.
Das ganze System ist somit absolut narrensicher. Man kann die Tür zudrücken oder zuwerfen. Zur Türöffnung kann eine zusätzliche Feder vorgesehen sein, so daß die Öffnungsbewegung nach der vollständigen Entriegelung von selbst erfolgt.The whole system is absolutely foolproof. You can close the door or throwing. To open the door, an additional spring can be provided so that the Opening movement takes place automatically after complete unlocking.
Es ist auch nicht erforderlich, daß man den Betätigungsgriff 1 wirklich anfaßt. Er kann
auch - wenn der Benutzer die Hände nicht frei hat - mit dem Ellenbogen bewegt werden.It is also not necessary to really touch the
Fig. 7a zeigt den Federbügel 7 mit dem Quersteg 7a und der Rolle 8 von oben. Man
erkennt, daß der im Grunde U-förmige Bügel aus Federdraht am rechten Ende in
unterschiedlichen Abständen abgekantet ist. Die abgebogenen Enden 7b und 7c legen sich
bei der Montage in die Aussparungen 4b und 4c (in Fig. 3 und 4). In dieser Position werden
sie durch eine angedeutete Scheibe 15 und eine Schraube 16 gesichert.Fig. 7a shows the
Fig. 7b zeigt die Teile 7 und 8 von der Seite. Der kürzere Federschenkel 7d wird bei der
Montage unter Vorspannung gesetzt. Die entspannte Stellung 8 (dünnere Linie) trägt das
Zeichen 7d'.7b shows
Fig. 7c zeigt den Federbügel 7 und die Rolle 8 von hinten gesehen in der vorgespannten
Lage.Fig. 7c shows the
Das beschriebene neuartige System zur ein- oder zweistufigen Verriegelung einer Tür ist außerordentlich einfach, schnell von einer Bauart in die andere umzurüsten und vor allem störunempfindlich. Da das Riegelelement aus einem einfachen Federbügel besteht, gibt es keine Gleitflächen, die durch Fettspuren oder dergl. verkleben könnten. Auch Toleranzen zwischen Tür und Gehäuse, die durch Abnutzung der Scharniere, Temperaturunterschiede oder Verkrustungen auftreten können, haben auf die Funktion nur wenig Einfluß. Falls die Türdichtungen altern und in ihrer Rückfedereigenschaft nachlassen sollte, kann der Schließzapfen mit Hilfe seiner Gewindestange leicht nachjustiert werden.The described novel system for one- or two-stage locking of a door is extremely easy, quick to change from one design to another and above all insensitive to interference. Since the locking element consists of a simple spring clip, there is no sliding surfaces that could stick due to traces of grease or the like. Tolerances too between door and housing caused by wear of the hinges, temperature differences or incrustations can have little effect on the function. if the Door seals should age and their springback properties should deteriorate The locking pin can be easily readjusted using its threaded rod.
Um eine Verdrehung des Schließzapfens bei der Montage oder Nachjustierung auszuschließen, kann es zweckmäßig sein, an der Gehäusezarge eine Anschlagfläche vorzusehen, die die Winkelstellung des Schließzapfens auf der den Rastvertiefüngen abgewandten Seite festlegtBy turning the locking pin during assembly or readjustment exclude, it may be appropriate to have a stop surface on the housing frame provide the angular position of the locking pin on the locking recesses side facing away
Der beschriebene Gerätetürverschluß ist hervorragend geeignet, vor allem in gewerblich genutzten Heißgeräten eingesetzt zu werden. The device door lock described is extremely suitable, especially in commercial used hot devices.
- 11
- BetätigungsgriffOperating handle
- 22nd
- GriffschildHandle shield
- 2a2a
- Halsneck
- 2b, 2c2b, 2c
- BefestigungslöcherMounting holes
- 33rd
- BefestigungsschraubeFastening screw
- 44th
- Wellewave
- 55
- 0-Ring0-ring
- 66
- Schraubescrew
- 77
- FederbügelSpring clip
- 7a7a
- QuerstegCrossbar
- 7b, 7c7b, 7c
- abgebogene Endenbent ends
- 7d7d
- kürzerer Schenkelshorter thigh
- 7d'7d '
- entspannte Stellungrelaxed position
- 88th
- Rollerole
- 99
- SchenkelfederLeg spring
- 1010th
- HygienehülseHygiene sleeve
- 1111
- SchließzapfenLocking pin
- 11a11a
- Kegelcone
- 11 b11 b
- GewindestangeThreaded rod
- 11c11c
- RastvertiefungRest recess
- 11c111c1
- SperrflächeRestricted area
- 1212th
- Dornmandrel
- 1313
- GriffschildHandle shield
- 13a, 13b13a, 13b
- BefestigungslöcherMounting holes
- 1414
- SchließzapfenLocking pin
- 14a14a
- Kegelcone
- 14b14b
- GewindestangeThreaded rod
- 14c14c
- erste Rastvertiefungfirst recess
- 14c114c1
- erste Sperrflächefirst restricted area
- 14d14d
- zweite Rastvertiefung second recess
- 14d114d1
- zweite Sperrflächesecond restricted area
- 14d214d2
- schräge Flächesloping surface
- 14e, 14f, 14g, 14h14e, 14f, 14g, 14h
- ZusatzausfräsungenAdditional millings
- 1515
- Scheibedisc
- 1616
- Schraubescrew
Claims (9)
daß der Schließzapfen (11) aus einem Sechskant-Material besteht, das vorne kegelförmig (lla) angespitzt ist, hinten als Gewindestange (llb) ausgebildet ist und im mittleren Bereich eine quer zur Längsachse verlaufende Rastvertiefung (11c) aufweist, deren eigentliche Sperrfläche (11c1) senkrecht zur Längsachse steht.Closure according to claim 1, characterized in
that the locking pin (11) consists of a hexagon material, which is tapered at the front (lla), is designed as a threaded rod (llb) at the rear and has a locking recess (11c) in the central area, the actual locking surface (11c1 ) is perpendicular to the longitudinal axis.
daß die achsparallele Fläche der Rastvertiefung (11 c) symmetrisch zu einer Ecke des Sechskant-Profils verläuft, so daß der nach Drehung des Betätigungsgriffes (1) um etwa 45° freigegebene Quersteg (7a) des Federbügels (7) auf einer der benachbarten Flächen des Sechskant-Materials gleiten kann.Closure according to claim 2, characterized in that
that the axially parallel surface of the locking recess (11 c) runs symmetrically to a corner of the hexagonal profile, so that after rotation of the actuating handle (1) by about 45 ° released crossbar (7a) of the spring clip (7) on one of the adjacent surfaces of the Hexagon material can slide.
daß die erste Zusatzausfräsung (14h) eine äquidistante Gleitfläche schafft, die Sperrfläche (14c1) aber beibehält, während die zweite Zusatzausfräsung (14e) ebenfalls eine äquidistante Gleitfläche unter Wegnahme eines Teiles der ersten Sperrfläche (14c1) schafft.Closure according to claim 4, characterized in
that the first additional milling (14h) creates an equidistant sliding surface, but maintains the locking surface (14c1), while the second additional milling (14e) also creates an equidistant sliding surface while removing part of the first locking surface (14c1).
daß die zweite Rastvertiefung (14d) eine asymmetrische Sperrfläche (14d1) dergestalt aufweist, daß nur bei Linksdrehung die Freigabe erfolgt.Closure according to claim 5, characterized in
that the second locking recess (14d) has an asymmetrical locking surface (14d1) such that the release takes place only when turning to the left.
daß der Quersteg (7a) des Federbügels (7) eine Rolle (8) trägt, die Gleitreibung vermeidet.Closure according to claim 1, characterized in
that the crossbar (7a) of the spring clip (7) carries a roller (8) that avoids sliding friction.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP99125878A EP1111175B1 (en) | 1999-12-24 | 1999-12-24 | Lock for door of apparatus |
AT99125878T ATE261047T1 (en) | 1999-12-24 | 1999-12-24 | CLOSURE FOR APPLIANCE DOORS |
DE59908761T DE59908761D1 (en) | 1999-12-24 | 1999-12-24 | Lock for appliance doors |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP99125878A EP1111175B1 (en) | 1999-12-24 | 1999-12-24 | Lock for door of apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1111175A1 true EP1111175A1 (en) | 2001-06-27 |
EP1111175B1 EP1111175B1 (en) | 2004-03-03 |
Family
ID=8239729
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99125878A Expired - Lifetime EP1111175B1 (en) | 1999-12-24 | 1999-12-24 | Lock for door of apparatus |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1111175B1 (en) |
AT (1) | ATE261047T1 (en) |
DE (1) | DE59908761D1 (en) |
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1358835A2 (en) * | 2002-05-03 | 2003-11-05 | Whirlpool Corporation | In-sink dishwascher with integrated latch |
EP1445543A1 (en) * | 2003-02-07 | 2004-08-11 | Rahrbach GmbH | Lock for doors of apparatus |
WO2004081324A1 (en) * | 2003-03-05 | 2004-09-23 | Convotherm Elektrogeräte GmbH | Sealing device for the door of large-size kitchen appliances |
EP1970512A2 (en) | 2007-03-12 | 2008-09-17 | Ik-Interklimat Spa | Improved closure device for ovens and the like |
DE202008005301U1 (en) | 2008-04-16 | 2009-08-27 | Klouda, Jaroslav, Dipl.-Ing. | Door lock for a thermal cooking and / or baking device |
DE102009017246A1 (en) | 2008-04-11 | 2009-10-15 | Rahrbach Gmbh | Closure for device door i.e. furnace door, has locking latch movable between fixed position and release position and stopping unlocking of closure during actuation of handle, where locking latch is arranged outside of closure |
DE102009016812A1 (en) | 2008-04-11 | 2009-10-15 | Rahrbach Gmbh | Door latch for thermal cooking and/or baking device, has rotating mechanism comprising multiple angle of rotation positions, where driven shaft serves as rotating mechanism and is connected to locking lug |
DE102009014233A1 (en) | 2008-12-23 | 2010-06-24 | Convotherm Elektrogeräte GmbH | Closure for door of cooking device, has retainer supported such that relative motion is caused by movement of door handle between retainer and closing pin, where closing pin is axially and rotatably supported at equipment housing |
DE102009023837A1 (en) | 2009-06-04 | 2010-12-09 | Rahrbach Gmbh | Supporting element part for connection, particularly for connecting baking- and cooking device, has adapter housing which is integrated in handle for operating connections and is connected with connections by fastener |
DE102010007952A1 (en) | 2009-08-21 | 2011-02-24 | Convotherm Elektrogeräte GmbH | Closure for door of cooking device, has housing with housing-lateral closing element that is provided as locking pin and door side closing element provided as spring clip |
DE102011051884A1 (en) | 2011-07-15 | 2013-01-17 | Rahrbach Gmbh | Closure for closing a door, in particular a device door |
DE202015101338U1 (en) * | 2015-03-16 | 2016-06-22 | Steinbach & Vollmann Gmbh & Co. Kg | shutter |
DE102016110744A1 (en) * | 2016-06-10 | 2017-12-14 | Rational Aktiengesellschaft | Door lock for a cooking appliance and cooking appliance with such a door lock |
DE102017127924A1 (en) | 2017-11-27 | 2019-06-19 | Rahrbach Gmbh | Closure for closing a door |
GB2584118A (en) * | 2019-05-22 | 2020-11-25 | Storm Environmental Ltd | Locks |
EP3900539A1 (en) * | 2020-04-20 | 2021-10-27 | Bonferraro S.p.A. | Cooking oven with door handle provided with a system for self-locking in the open position |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010032743B3 (en) * | 2010-07-29 | 2012-02-02 | Steinbach & Vollmann Gmbh & Co. Kg | Closure for appliance door, particularly hot appliance door, comprises closure part attachable at appliance housing, where actuating handle is provided for actuating locking element |
DE102010032742B3 (en) * | 2010-07-29 | 2011-05-26 | Steinbach & Vollmann Gmbh & Co. Kg | Lock for device door i.e. heating device door, has locking element deflected from locking condition by handle, such that hook boss is released from recess for opening door when opening lug is supported at bearing surface of locking part |
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US2857191A (en) * | 1955-04-18 | 1958-10-21 | Reinhardt E Buchholtz | Closure fastener |
FR1251521A (en) * | 1960-02-15 | 1961-04-21 | Remote control safety locking system | |
DE2457254A1 (en) * | 1974-12-04 | 1976-06-10 | Agfa Gevaert Ag | Fastening device of snap in type - has contoured fastener head which mates with retention device |
US5050296A (en) * | 1990-06-07 | 1991-09-24 | International Business Machines Corporation | Affixing pluggable pins to a ceramic substrate |
DE4208216A1 (en) * | 1992-03-14 | 1993-09-16 | Wiesheu Gmbh | Hot chamber door lock - has sliding locking bar and grooved locking pin to reduce wear and give longer sealing life when door is closed |
EP0806532A2 (en) * | 1996-05-09 | 1997-11-12 | Bloxwich Engineering Limited | Latch assemblies for vehicle hoods |
EP0908590A1 (en) * | 1997-10-11 | 1999-04-14 | Rahrbach GmbH | Locking device for door of a high temperature apparatus |
-
1999
- 1999-12-24 EP EP99125878A patent/EP1111175B1/en not_active Expired - Lifetime
- 1999-12-24 AT AT99125878T patent/ATE261047T1/en not_active IP Right Cessation
- 1999-12-24 DE DE59908761T patent/DE59908761D1/en not_active Expired - Lifetime
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2857191A (en) * | 1955-04-18 | 1958-10-21 | Reinhardt E Buchholtz | Closure fastener |
FR1251521A (en) * | 1960-02-15 | 1961-04-21 | Remote control safety locking system | |
DE2457254A1 (en) * | 1974-12-04 | 1976-06-10 | Agfa Gevaert Ag | Fastening device of snap in type - has contoured fastener head which mates with retention device |
US5050296A (en) * | 1990-06-07 | 1991-09-24 | International Business Machines Corporation | Affixing pluggable pins to a ceramic substrate |
DE4208216A1 (en) * | 1992-03-14 | 1993-09-16 | Wiesheu Gmbh | Hot chamber door lock - has sliding locking bar and grooved locking pin to reduce wear and give longer sealing life when door is closed |
EP0806532A2 (en) * | 1996-05-09 | 1997-11-12 | Bloxwich Engineering Limited | Latch assemblies for vehicle hoods |
EP0908590A1 (en) * | 1997-10-11 | 1999-04-14 | Rahrbach GmbH | Locking device for door of a high temperature apparatus |
Cited By (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1358835A3 (en) * | 2002-05-03 | 2005-08-10 | Whirlpool Corporation | In-sink dishwascher with integrated latch |
EP1358835A2 (en) * | 2002-05-03 | 2003-11-05 | Whirlpool Corporation | In-sink dishwascher with integrated latch |
EP1445543A1 (en) * | 2003-02-07 | 2004-08-11 | Rahrbach GmbH | Lock for doors of apparatus |
WO2004081324A1 (en) * | 2003-03-05 | 2004-09-23 | Convotherm Elektrogeräte GmbH | Sealing device for the door of large-size kitchen appliances |
DE10309594B4 (en) * | 2003-03-05 | 2006-04-20 | Convotherm Elektrogeräte GmbH | Locking device for the door of large kitchen appliances |
EP1970512A3 (en) * | 2007-03-12 | 2011-06-22 | Ik-Interklimat Spa | Improved closure device for ovens and the like |
EP1970512A2 (en) | 2007-03-12 | 2008-09-17 | Ik-Interklimat Spa | Improved closure device for ovens and the like |
DE102009017246A1 (en) | 2008-04-11 | 2009-10-15 | Rahrbach Gmbh | Closure for device door i.e. furnace door, has locking latch movable between fixed position and release position and stopping unlocking of closure during actuation of handle, where locking latch is arranged outside of closure |
DE102009016812A1 (en) | 2008-04-11 | 2009-10-15 | Rahrbach Gmbh | Door latch for thermal cooking and/or baking device, has rotating mechanism comprising multiple angle of rotation positions, where driven shaft serves as rotating mechanism and is connected to locking lug |
DE102009016812B4 (en) | 2008-04-11 | 2022-02-03 | Rahrbach Gmbh | Door lock for a thermal cooking and/or baking device |
DE202008005301U1 (en) | 2008-04-16 | 2009-08-27 | Klouda, Jaroslav, Dipl.-Ing. | Door lock for a thermal cooking and / or baking device |
DE202009018491U1 (en) | 2008-12-23 | 2011-11-03 | Convotherm Elektrogeräte GmbH | Closure for a door of a cooking appliance and cooking appliance |
DE102009014233A1 (en) | 2008-12-23 | 2010-06-24 | Convotherm Elektrogeräte GmbH | Closure for door of cooking device, has retainer supported such that relative motion is caused by movement of door handle between retainer and closing pin, where closing pin is axially and rotatably supported at equipment housing |
DE102009023837A1 (en) | 2009-06-04 | 2010-12-09 | Rahrbach Gmbh | Supporting element part for connection, particularly for connecting baking- and cooking device, has adapter housing which is integrated in handle for operating connections and is connected with connections by fastener |
DE102010007952A1 (en) | 2009-08-21 | 2011-02-24 | Convotherm Elektrogeräte GmbH | Closure for door of cooking device, has housing with housing-lateral closing element that is provided as locking pin and door side closing element provided as spring clip |
DE102010007952B4 (en) | 2009-08-21 | 2021-08-26 | Convotherm Elektrogeräte GmbH | Lock for a door of a cooking appliance |
RU2608286C2 (en) * | 2011-07-15 | 2017-01-17 | Рарбах Гмбх | Door locking lock, in particular, instrument door |
US9631405B2 (en) | 2011-07-15 | 2017-04-25 | Rahrbach Gmbh | Securing mechanism for closing a door, in particular an appliance |
WO2013010534A1 (en) | 2011-07-15 | 2013-01-24 | Rahrbach Gmbh | Closure for closing a door, in particular an appliance door |
DE102011051884A1 (en) | 2011-07-15 | 2013-01-17 | Rahrbach Gmbh | Closure for closing a door, in particular a device door |
DE202015101338U1 (en) * | 2015-03-16 | 2016-06-22 | Steinbach & Vollmann Gmbh & Co. Kg | shutter |
DE102016110744A1 (en) * | 2016-06-10 | 2017-12-14 | Rational Aktiengesellschaft | Door lock for a cooking appliance and cooking appliance with such a door lock |
DE102017127924A1 (en) | 2017-11-27 | 2019-06-19 | Rahrbach Gmbh | Closure for closing a door |
GB2584118A (en) * | 2019-05-22 | 2020-11-25 | Storm Environmental Ltd | Locks |
GB2584118B (en) * | 2019-05-22 | 2023-08-09 | Storm Environmental Ltd | Locks |
EP3900539A1 (en) * | 2020-04-20 | 2021-10-27 | Bonferraro S.p.A. | Cooking oven with door handle provided with a system for self-locking in the open position |
Also Published As
Publication number | Publication date |
---|---|
ATE261047T1 (en) | 2004-03-15 |
EP1111175B1 (en) | 2004-03-03 |
DE59908761D1 (en) | 2004-04-08 |
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