EP0878576B1 - Dispositif de verrouillage de porte pour appareils électriques - Google Patents

Dispositif de verrouillage de porte pour appareils électriques Download PDF

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Publication number
EP0878576B1
EP0878576B1 EP19980107108 EP98107108A EP0878576B1 EP 0878576 B1 EP0878576 B1 EP 0878576B1 EP 19980107108 EP19980107108 EP 19980107108 EP 98107108 A EP98107108 A EP 98107108A EP 0878576 B1 EP0878576 B1 EP 0878576B1
Authority
EP
European Patent Office
Prior art keywords
locking
opening
wedge
lock
locking slide
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.)
Expired - Lifetime
Application number
EP19980107108
Other languages
German (de)
English (en)
Other versions
EP0878576A1 (fr
Inventor
Oswald Onderka
Günter Hengelein
Hubert Harrer
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.)
Ellenberger and Poensgen GmbH
Original Assignee
Ellenberger and Poensgen GmbH
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
Priority claimed from DE19815591A external-priority patent/DE19815591A1/de
Application filed by Ellenberger and Poensgen GmbH filed Critical Ellenberger and Poensgen GmbH
Publication of EP0878576A1 publication Critical patent/EP0878576A1/fr
Application granted granted Critical
Publication of EP0878576B1 publication Critical patent/EP0878576B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/42—Safety arrangements, e.g. for stopping rotation of the receptacle upon opening of the casing door
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S292/00—Closure fasteners
    • Y10S292/69—Washing machine or stove closure latch
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/08—Bolts
    • Y10T292/1043—Swinging
    • Y10T292/1051—Spring projected
    • Y10T292/1052—Operating means
    • Y10T292/1061—Rigid
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/08—Bolts
    • Y10T292/1043—Swinging
    • Y10T292/1075—Operating means
    • Y10T292/1078—Closure
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/08—Bolts
    • Y10T292/1043—Swinging
    • Y10T292/1075—Operating means
    • Y10T292/1083—Rigid
    • Y10T292/1084—Closure catch
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/42—Rigid engaging means
    • Y10T292/432—Sliding catch
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/68—Keepers
    • Y10T292/696—With movable dog, catch or striker

Definitions

  • the invention relates to a door locking device for electrical devices, in particular household appliances, according to the preamble of claim 1.
  • a door locking device is known from the EP-A-0 347 592, which also goes back to an invention by the local applicant.
  • a lock is provided on the electrical device and a locking pin is provided on the device door.
  • the locking pin is a lever pivotably mounted on a swivel joint. This lever carries a hook part at its end facing away from the swivel joint. With the hook part, the lever engages through a locking slide arranged longitudinally displaceably in the lock in an engagement opening.
  • the rear side of the hook part forming the end face of the lever is designed as a bevel in order to move the locking slide into its closed position when the lever is inserted into the lock.
  • the lever is spring-loaded to hold the lever with the hook part in the closed position.
  • the hook part acts on the locking slide when the door is closed with the spring force and engages behind a correspondingly designed rear grip part on the lock.
  • the disadvantage here is that the properly locked appliance door in the event of a defect Spring mechanism or opened from the inside only with a very high effort can be because of the lever-like locking pin with the hook part this must be destroyed.
  • This is particularly disadvantageous for devices with a large size Recording volume, for example in washing machines with large drums. It cannot be ruled out that a child playing in such a way crawled in the big drum and then locked the appliance door becomes. The child in the machine can then usually use the appliance door no longer open because it does not have sufficient forces around which the hook part to destroy the load-bearing locking pin.
  • the inventive door locking device has one between its Opening and closing position to be moved back and forth in the castle longitudinally mounted locking slide.
  • This locking slide is in its closed position by means of a blocking device - like her for example from EP-A-0 347 592 is known - lockable. Only after activation This blocking device can start up the electrical device at all.
  • the invention is based on the basic consideration of this blocking device as the actual one Locking device to use for device operation.
  • the one in that Locked in the inventive door locking device when locked The locking pin that enters the device door therefore primarily serves as a mechanical one Prelock for the appliance door.
  • the invention therefore makes Take advantage of the knowledge that the activated blocking device the locking slide so securely and reliably sets in its closed position that another Securing the appliance door is no longer necessary at all.
  • the mechanical locking of the appliance door known from the prior art by means of a hook is in the inventive door locking device substituted by a between the locking slide and locking pin permanently effective transmission.
  • This gear is designed so that the pin is always so positively guided that when the blocking device is deactivated and at the same time in the lock inserted pin each appliance door movement at the same time Sliding movement of the locking slide causes.
  • the appliance door is attached by means of an outside Handle is moved properly or whether the appliance door, for example, from Device interior is pushed open.
  • Even when belching is through the gear connection always between the locking pin and the locking slide ensures that the locking slide when the blocking device is deactivated moves to its open position. This in turn ensures that, for example, a child who accidentally finds himself in a washing drum has always locked itself out of the device without outside help can free.
  • Claims 2 to 11 referring back to claim 1 relate to a first Embodiment of the door locking device with a locking slide between and locking pin permanently effective wedge thrust gear, while the dependent claims 12 to 17 relate to a second embodiment with one between the locking slide and locking pin effective cam gear.
  • the locking pin which is usually fixed to the appliance door, is kinematically coupled to the locking slide via a wedge-type slide mechanism.
  • Wedge thrust transmissions are known, for example, from "Construction elements of precision engineering", 2nd ed., P. 537, Carl Hanser Verlag Kunststoff Vienna, 1993, ISBN 3-446-16530-4.
  • the locking pin is used as a pushing wedge to implement the wedge-push mechanism designed, which in a correspondingly designed keyway on Locking slide engages.
  • the wedge thrust gear it is possible the movement in the direction of insertion of the locking pin when Lock the appliance door in the direction perpendicular to the direction of insertion Redirect the direction of movement of the locking slide.
  • the locking slide moves from its open position when the appliance door is open in its closed position.
  • the locking slide moved into the closed position is then in a known manner (EP-A-0 347 592) by means of a thermobimetal-controlled, electrical blocking device prevented in its Slide open position.
  • this blocking device is only with activated when the electrical device is switched on.
  • the blocking device serves also to release the locking slide with a time delay to ensure that revolving parts completely again before opening the appliance door have come to a standstill.
  • thermobimetal-controlled blocking device since the electrical, thermobimetal-controlled blocking device only works with activated when the electrical device is switched on, it is possible to switch it off Device to open the device door from the inside with little effort, because the wedge thrust works equally in both directions of movement. Since the push wedge is positively guided in the wedge guide groove, the locking slide is also positively guided on the locking pin so that when belching the locking slide from the inside of the appliance door forcibly returns to its open position. In this way, an in a machine interior, for example a washing machine drum, accidentally child easily open the appliance door from the inside and out again free the machine.
  • the centering bar provided according to the teaching of claim 6 can either be formed only on one wedge surface, but also on both wedge surfaces.
  • the Centering bar centers the push wedge on the one hand when it is inserted into the wedge guide groove and on the other hand contributes to the fact that the elements of the wedge thrust transmission do not tilt against each other when closing the appliance door.
  • Claims 7 to 9 relate to pre-locking the appliance door.
  • the actual locking of the appliance door takes place by means of the electrical Blocking device of the locking slide in its closed position.
  • the Pre-locking is intended to prevent the appliance door from springing open before it is switched on prevent the device.
  • the embodiment according to claim 7 causes a loud snapping sound when the rollers fall into the grooves in the side surfaces of the push wedge.
  • This acoustic signal for the operator that the appliance door has reached its closed position causes it to snap into place the roles in the grooves a clear snap feeling in the Hand of the operator.
  • This pre-closure signals the correct one to the operator Lock the locking pin in the lock and at the same time the complete Moving the locking slide into its closed position.
  • the thrust cone proposed in claim 9 has a double function. On the one hand, it favors the insertion of what is effective as a locking pin Thrust wedge in the lock.
  • the two start on the cone cylindrical rollers rotate while the cone holds the two rollers stored leaf spring legs continuously spread apart before the rollers to some extent roll into the grooves.
  • the same The force needed to slide the rolls into the grooves again be used so that the rollers rotate out of the grooves.
  • the leaf spring leg drives the opening movement of the push wedge and thus serve as an additional drive for the locking slide from his Closed position to its open position. In this way, the roles support together with the leaf spring, the opening movement of the appliance door.
  • claims 10 and 11 relate to an advantageous production technology Structure of the locking slide.
  • the locking slide has one principally known from EP-A-0 347 592, rectangular opening. This opening is designed according to the invention as a bearing eye so that in it A slide is fixed in the final assembly state. In the sledge is the Wedge guide groove molded in.
  • the manufacturing technology is particularly advantageous Embodiment of the carriage according to claim 11 as inexpensive to produce Kunststofftoffspritzteil.
  • the Sled simply inserted or snapped into the rectangular bearing eye are and is thus firmly connected to the locking slide.
  • the second embodiment of the locking device according to the invention according to claims 12 to 17 is structurally closer to that of the Prior art (EP-A-0347 592) locking device known as that The first embodiment described above.
  • a locking pin designed as a handlebar is provided.
  • This Locking pin is pivotally mounted in a bearing block.
  • a cam is provided in the locking pin according to claim 12. This cam engages in a scanning opening on the locking slide.
  • This scanning opening is preferably analogous to the bearing eye in the locking slide configured according to claim 10.
  • the locking slide also in this embodiment only a translational movement between its Can open position and its closed position, the locking pin not only invade the castle, but also by a certain amount Amount can be pivoted.
  • This pivotability on the one hand and the geometry the cam on the other hand are so coordinated that also in this embodiment, a pulling or pushing movement exerted on the appliance door always implemented in a sliding movement of the locking slide becomes.
  • the V-shaped design of the cam plate in turn causes the insertion the locking pin a clearly audible clicking sound as soon as the Locking pin by means of its front insertion slope through the insertion opening of the lock housing in the scanning opening in the locking slide is inserted at the moment when the apex of the V-shaped Cam applied to the opening edge of the scanning opening.
  • Words of the locking pin with its V-shaped cam disc like a touch finger on the edge of the scanning opening This one too Embodiment in turn act the locking slide on the one hand and the Locking pin on the other hand via a permanently engaged, positively driven gearbox together.
  • independent claim 18 is independent of the claims 1 to 17 inventive door locking device.
  • This locking device has an effective push lock when the appliance door is open the locking slide.
  • This push lock effectively prevents the unwanted Moving the locking slide from its open position in its closed position when the appliance door is open.
  • the locking slide is thus not manipulable from the outside, which ensures that rotating Parts in the electrical device can only be set in motion if the appliance door is also securely locked.
  • the push lock is only by means of of the locking pin usually attached to the appliance door can be detached. By the usual attachment of the locking pin on the appliance door and the The lock on the device is the locking slide fixed in the lock from the outside even more difficult to access and therefore more difficult to manipulate.
  • the locking pin consequently has the double function of a locking part in this invention for the appliance door on the one hand and an unlocking part for the Push lock on the other hand.
  • the subject matter of claim 18 is independent inventive from the subject matter of claims 1 to 17, however can be combined with all objects of the invention according to claims 1 to 17.
  • Claims 19 and 20 relate to advantageous designs of the locking bolt the push lock.
  • the end faces of spreading spring legs used as a locking pin the advantage that they are under high pretension at the locking stop and at the same time easily by an appropriately designed locking pin in their unlocked position can be brought to the locking slide to be able to move into its closed position when the appliance door is closed.
  • Claims 21 to 23 relate in turn to an inventive synthesis of the subject matter of the invention of claim 2 and the claims related back to it 3 to 11 on the one hand and the subject matter of claim 18 and claims 19 and 20 referring back to him.
  • the slide is not only effective as a groove carrier for the wedge guide groove, but also carries the stopper (s) for the push lock.
  • Claim 22 relates to a special embodiment and arrangement of the spreading spring in the area of the wedge guide groove, causing an unwanted manipulation on Locking slider is even more difficult when the appliance door is open.
  • Claim 23 finally teaches a double function of the overrun cone on the thrust wedge as an expansion cone and thus as an unlocking part for the push lock.
  • Claim 24 relates to the combination of the subject matter of the claim 18 with the second embodiment of the transmission in the locking device according to claims 12 to 17.
  • the locking pin 1 on his facing the appliance door, not shown in the drawings End of a mounting flange 2.
  • Both the upper Wedge surface 3 and the lower wedge surface 4 are each divided into two by one in in each case their centering web 5.
  • 4 extending side surfaces 6 of the locking pin 1 are still molded grooves 7.
  • the side surfaces 6 are finally beveled to form an overflow cone 8.
  • the locking slide 9 is rectangular at one end Bearing eye 10 broken.
  • a slide can be inserted into the bearing eye 10 11.
  • a wedge guide groove 12 is formed in the slide 11.
  • the wedge guide groove 12 in turn has a lower guide surface 13 and an upper one Guide surface 14.
  • the lower guide surface 13 is flanked laterally by the Locking stops 15.
  • the guide surfaces are analogous to the wedge surfaces 3, 4 13, 14 each divided into two by a centering centering slot 16.
  • a leaf spring 21 is U-shaped such that its leaf spring legs 22 are rectangular are bent from the leaf spring body 23. At the ends 24 of the two leaf spring legs 22, a cylindrical roller 25 is rotatably supported.
  • lock housing is from the housing base 26 and that on the housing base 26 formed by means of the locking hook 27 snap-on housing cover 28.
  • Housing cover 28 To fix the housing cover 28 on the housing base 26 engage on Housing cover 28 molded locking hooks 27 in corresponding locking recesses 29 on the housing base 26.
  • FIG. 2 the two that form the keyway groove 12 can be seen Guide surfaces 13, 14.
  • the lower guide surface 13 and the upper guide surface 14 of the keyway groove 12 run parallel to one another. Opposite the direction of displacement 31 of the locking slide 9 they are at an angle of 30 ° inclined.
  • the of the guide surfaces 13, 14 together with the Wedge surfaces 3, 4 formed web guide consequently has a direction of displacement 31 web guiding direction 32 extending at an angle of 30 °.
  • the locking device works as follows: The locking pin 1 is inserted into the insertion opening 33 left in the housing base 26 in the insertion direction 34 which is perpendicular to the direction of displacement 31.
  • the locking pin 1 slides with the surfaces of its centering webs 5 at the opening edges 35 of the insertion opening 33.
  • the locking pin 1 is consequently positively guided in the insertion opening 33 in such a way that it cannot be displaced in the direction of displacement 31 which is perpendicular to the insertion direction 34.
  • the wedge surfaces 3, 4 forming the thrust wedge of the wedge thrust transmission then grip in the wedge guide groove 12 such that the upper wedge surface 3 on the upper Guide surface 14 and correspondingly the lower wedge surface 4 on the lower Wedge surface 13 rests.
  • locking pins 1 and carriage 11 shown in dash-dot lines.
  • the locking pin is in this position 1 fully inserted into the device and the locking slide 9 from the upper wedge surface 3 of the one formed on the locking pin 1 Push wedge completely moved to the right into its closed position.
  • the rollers 25 also have a second function. As soon as the rollers 25 run up again on the run-up cone 8 when the locking pin 1 is pulled out, the leaf spring legs 22 tend to move resiliently towards one another, as a result of which the rollers 25 are rolled on the run-up cone 8 and thus push the locking pin 1 out of the insertion opening 33 and press on the appliance door at the same time. This is shown by curve II drawn in dashed lines in FIG. 8.
  • the force denoted by F R represents the force exerted by the rollers 25, which act as pressure rollers when the appliance door is opened, on the run-up cone 8 in the direction opposite to the insertion force vector 36.
  • the locking pin can namely 1 with its overflow cone 8 optimally on the spreading spring legs 17 attack and spread them apart.
  • the spreading spring legs 17 are spread so far that the carriage 11 with its locking stops 15 also through the bent areas of the spreading spring legs 17, which are much closer together than the other areas of Spreading spring legs 17 can slide through. Since both spreading spring legs 17 must be shifted against each other with increasing spring force, manipulation of the locking device from the outside is almost impossible. In particular, more than one tool is always required for this.
  • the locking pin 51 pivotally mounted in a bearing block 52.
  • the bearing block 52 is in turn attached to the appliance door, not shown in Fig. 9.
  • the bearing block 52 is penetrated by two through holes 53. Through the through holes 53 can be inserted through fastening screws, which are in turn screwed into the appliance door, not shown in the drawing.
  • the locking pin 51 With its bearing end 54, the locking pin 51 is pivotable about the hub 55 stored in the bearing block 52 against the spring pressure of the leg spring 56.
  • the Leg spring 56 is supported here with its short spring leg 57 in the end of the bearing 54 of the locking pin 51. With her long spring leg 58 is the leg spring 56 in the bearing block 52 or against that not shown in the drawing Device door relocated.
  • the pin end face 59 faces away from the bearing end 54 in the insertion direction 34.
  • the cam disk 60 From the side surface of the locking pin adjoining the end face 59 51 is the cam disk 60, which is V-shaped in cross section, in the direction of displacement 31 from.
  • the entry slope 61 facing away from the insertion direction 34 second V-leg of the V-shaped cross section of the cam 60 forming Sliding guide slope 62.
  • the inlet slope 61 and the sliding guide slope 62 both open into the apex edge 63.
  • To the inlet slope 61 and the sliding guide slope 62 the side surfaces 64 of the locking pin run vertically 51.
  • the grooves 65 are in turn molded into the side surfaces 64.
  • the side surfaces 64 run in the area between the pin face 59 and the Grooves 65 conical to favor the entry of the locking pin 51 in the castle.
  • the lock slider 69 is at one end from the rectangular scan opening 70 broken. At least those transverse to the direction of displacement 31 extending opening edges 71 of the scanning opening 70 are bent out at right angles to form the protruding from the locking slide 59 at right angles Guide tongues 72. Also shown is the incidence backdrop 73 in the Drawings not shown blocking device (similarly present in the locking slide 9 acc. Fig. 1).
  • the spreading spring legs 77 of the spreading spring 78 are provided with offsets 79.
  • the spreading spring 78 is mounted in the lock housing to the locking slide 69 located in its open position arranged that the offsets 79 in the insertion direction 34 above the scanning opening 70 come to rest and protrude laterally into the scanning opening 70 (Fig. 13).
  • the spreading spring legs act with their spreading spring end faces 80 77 here the adjacent guide tongue 72 of the locking slide 69 and thus inhibit a displacement of the locking slide 69 in the displacement direction 31st
  • the lock housing is formed from the housing base 66 and that on the Housing bottom 66 by means of locking hooks 67 snap-on housing cover 68 Fixing the housing cover 68 on the housing base 67 engage the housing cover 68 molded locking hooks 67 in corresponding locking recesses 74 on the housing base 66.
  • FIG. 10 shows the Lock slide 69 open position. In this open position align the scanning opening 70 of the locking slide 69 on the one hand and the On the other hand, insertion opening 75 of the housing base. The insertion opening 75 and the scanning opening 70 are thus congruent and are in this locking slide position also congruent to each other.
  • the spreading spring end faces 80 which on the in the Drawing right guide tongue 72 and so the longitudinal displacement of the locking slide 69 in the displacement direction 31.
  • the locking slide 69 is therefore locked in its open position.
  • Fig. 10 can also be seen the locking pin 51, which with its Inlet slope 61 abuts the edge of the insertion opening 75.
  • This edge of the insertion opening 75 is designed like a funnel and thus forms an insertion funnel 76.
  • the V shape of the inlet slope 61 which can be seen clearly in FIG. Sliding guide bevel 62 and vertex 63 essentially existing cam 60.
  • Fig. 12 which is the front view of the illustration in FIG. 11 according to direction arrow XII shows, that is to say the representation of FIG Axis of the insertion direction 34 rotated by 90 °, it can be seen that the spreading spring end faces 80 in this position is still the same as in the illustration of the Fig. 11 arranged guide tongue 72 bear blocking. With their bends 79, the spreading spring 78 lies in the grooves 65 on the locking pin 51 a. The position corresponding to the representation in FIGS. 11 and 12 the spreading spring 78 is shown in Fig. 13. Fig. 13 shows a bottom view of the Insertion opening 75, but without a locking pin. Fig. 13 thus corresponds to the View of the lock with the appliance door open.
  • FIG. 14 corresponds to the perspective of Fig. 11.
  • the locking pin is located here 51 completely in the castle.
  • the locking slide 69 is too from its opening position shown in FIG. 11 in the direction of displacement 31 in move its closed position.
  • FIG. 15 shows the front view analogously to FIG. 12 according to direction arrow XV in FIG. 14.
  • FIG. 16 again shows the bottom view the insertion opening 75.
  • this is again the locking pin 51, which is absolutely necessary in reality, has been omitted.
  • the lack of resistance of the spreading spring end face 80 is the displaceability of the locking slide 69 in its displacement direction 31.
  • the apex edge 63 acts on the original not acted upon by the spring end faces 80, in FIG. 11 and 14 guide tongue 72 shown on the left at the opening edge 71 of the scanning opening 70.
  • the vertex 63 is thus effective as a cam 60, that due to the spring pressure they the locking slide in the direction of displacement 31 moves into its closed position, which is shown in Fig. 14.
  • FIG. 17 shows the closed position of the locking slide 69, which also in Fig. 14 is shown. However, FIG. 17 shows the same section plane as FIG. 10 of the sectional representations according to FIGS. 17, 18 and 19 is the transmission kinematics explained when opening the appliance door.
  • the cam 60 In the closed position of the Locking slide 69, the cam 60 is completely in the scanning opening 70 of the locking slide 69.
  • the locking pin 51 is in swung back its starting position. Is that not shown in the drawings Blocking device deactivated and a train on the bearing block Exercised 52 connected door, the locking pin 51 slides with the Sliding guide bevel 62 along the edge of the insertion funnel 76.
  • the locking pin 51 can be removed its position shown in FIG. 19 simply into its starting position shown in FIG. 10 be pulled out of the lock, the top edge slides 63 of the cam 60 first on the one shown in FIG. 19 on the left Down the guide tongue to then along the insertion funnel 76 from the Slide the lock out.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Casings For Electric Apparatus (AREA)
  • Lock And Its Accessories (AREA)
  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
  • Electric Ovens (AREA)

Claims (24)

  1. Dispositif de verrouillage de porte pour un appareil électrique, en particulier un appareil électroménager avec une serrure, comportant :
    un coulisseau de verrouillage (9, 69) monté dans la serrure et mobile en va-et-vient entre une position d'ouverture et une position de fermeture,
    un organe de blocage pour arrêter le coulisseau de verrouillage (9, 69) dans sa position de fermeture, et
    un pêne de verrouillage (1, 51) qui s'introduit dans la serrure lors de la fermeture de la porte d'appareil et qui est en engagement avec le coulisseau de verrouillage (9, 69) lorsque la porte d'appareil est fermée,
    caractérisé par :
    un mécanisme de transmission agissant en permanence entre le coulisseau de verrouillage (9, 69) et le pêne de verrouillage (1, 51) pour transmettre le mouvement d'introduction du pêne de verrouillage (1, 51) lors de la fermeture ou le mouvement de sortie du pêne de verrouillage (1, 51) lors de l'ouverture de la porte d'appareil en un mouvement de translation du coulisseau de verrouillage (9, 69) lorsque le dispositif de blocage est désactivé, et
    un guidage forcé du pêne de verrouillage (1, 51) dans la serrure, de telle sorte que chaque mouvement d'ouverture de la porte d'appareil à partir d'une position quelconque de la porte fait déplacer le coulisseau de verrouillage (9, 69) à force en direction de sa position d'ouverture lorsque le dispositif de blocage est désactivé.
  2. Dispositif selon la revendication 1, caractérisé en ce que le mécanisme de transmission est réalisé sous forme de mécanisme à clavette coulissante, comportant :
    une clavette coulissante sur le pêne de verrouillage (1), et
    une gorge de guidage de clavette (12) sur le coulisseau de verrouillage (9) réalisés de façon complémentaire à la clavette coulissante.
  3. Dispositif selon la revendication 2, caractérisé en ce que :
    la direction d'introduction (34) du pêne de verrouillage (1) dans la serrure et la direction de translation (31) du coulisseau de verrouillage (9) s'étendent perpendiculairement l'une à l'autre, et
    la clavette coulissante et la gorge de guidage de clavette (12) s'étendent sous un angle respectif de 80° à 20° par rapport à la direction d'introduction (34) ou de 20° à 80° par rapport à la direction de translation (31).
  4. Dispositif selon la revendication 3, caractérisé en ce que la clavette coulissante et la gorge de guidage de clavette (12) s'étendent sous un angle de 30° par rapport à la direction d'introduction (34) et de 60° par rapport à la direction de translation (31).
  5. Dispositif selon l'une des revendications 1 à 4, caractérisé par :
    un guidage à piste formé par la clavette coulissante et par la gorge de guidage de clavette (12), comportant :
    deux surfaces de clavette (3, 4) parallèles détournées l'une de l'autre sur la clavette coulissante, et
    en correspondance, deux surfaces de guidage (13, 14) parallèles tournées l'une vers l'autre dans la gorge de guidage de clavette (12).
  6. Dispositif selon l'une des revendications 1 à 5, caractérisé par :
    une barrette de centrage (5) en saillie perpendiculairement hors de la surface de clavette (3, 4), et
    une fente de centrage (16) correspondante recevant la barrette de centrage (5), dans la surface de guidage associée (13, 14).
  7. Dispositif selon l'une des revendications 1 à 6, caractérisé par :
    une échancrure (7) dans l'une des surfaces latérales (6) de la clavette coulissante qui s'étendent perpendiculairement aux surfaces de clavette (3, 4), et
    un galet cylindrique (25) monté élastiquement dans la serrure et s'encliquetant, la porte d'appareil étant fermée, avec une région partielle de sa surface enveloppe dans l'échancrure (7).
  8. Dispositif selon la revendication 7, caractérisé en ce que :
    une échancrure respective (7) est ménagés dans les deux surfaces latérales (6) de la clavette coulissante, et
    un galet cylindrique respectif (25) est monté mobile en rotation aux extrémités frontales (24) des branches (22) d'un ressort à lame en forme de U (21) fixé dans la serrure, afin de former une fermeture à encliquetage pour la porte d'appareil.
  9. Dispositif selon l'une des revendications 1 à 8, caractérisé en ce que l'extrémité libre de la clavette coulissante, tournée vers la serrure, est de forme en pointe conique sur les surfaces latérales (6) pour former un cône de montée (8) pour les galets (25) qui est agencé à côté des échancrures (7).
  10. Dispositif selon l'une des revendications 1 à 9, caractérisé par :
    un oeillet de montage (10) de préférence de forme rectangulaire à une extrémité du coulisseau de verrouillage (9), et
    un chariot (11) fixé dans l'oeillet de montage (10) à titre de support pour la gorge de guidage de clavette (12).
  11. Dispositif selon la revendication 10, caractérisé en ce que le chariot (11) est une pièce en matière plastique injectée comportant une gorge de guidage de clavette (12) ménagée dans celle-ci.
  12. Dispositif selon la revendication 1, caractérisé en ce que le mécanisme de transmission est un mécanisme à came, comportant :
    une ouverture de palpage (70) dans le coulisseau de verrouillage (69), comportant un pêne de verrouillage (51) réalisé sous forme de bras et monté en pivotement par son extrémité libre formant l'extrémité de montage (54), et
    un disque à came (60) à l'autre extrémité libre, détournée de l'extrémité de montage (54), du pêne de verrouillage (51), de telle sorte que le disque à came (60) pénètre dans l'ouverture de palpage (70) lorsque le pêne de verrouillage (51) s'introduit dans la serrure, et qu'il s'appuie en coulissement contre la bordure d'ouverture (71).
  13. Dispositif selon la revendication 12, caractérisé par :
    une zone (61, 62, 63) en forme de V du disque à came (60), laquelle dépasse hors du pêne de verrouillage (51) en direction de la bordure (71) de l'ouverture de palpage (70), de telle sorte que l'arête de sommet (63) du V est tournée vers la bordure d'ouverture (71), que les côtés extérieurs des branches (61, 62) du V forment un guidage de coulissement avec la bordure d'ouverture (71), et que l'ouverture du V forme la liaison avec le corps du pêne de verrouillage (51).
  14. Dispositif selon la revendication 13, caractérisé en ce que la branche du V voisine de la face frontale (59) du pêne fait office de pente d'introduction (61) lorsque le pêne de verrouillage (51) s'introduit dans la serrure.
  15. Dispositif selon l'une ou l'autre des revendications 13 et 14,
    caractérisé en ce que :
    en amont de l'ouverture de palpage (70) dans le boítier de serrure est ménagée une ouverture d'introduction (75) de préférence coïncidente avec l'ouverture de palpage (70), et
    la branche (62) du V du disque à came (60), détournée de la face frontale (59) du pêne, s'appuie en coulissement par sa surface extérieure contre la bordure de l'ouverture d'introduction (75), réalisée sous forme d'entonnoir d'introduction (76), en vue du guidage à force du pêne de verrouillage (51).
  16. Dispositif selon l'une des revendications 12 à 15, caractérisé en ce que lorsque le pêne de verrouillage (51) s'introduit dans la serrure, l'arête de sommet (63) du disque à came (60) en forme de V s'appuie contre la bordure (71) de l'ouverture de palpage (70), et en ce que le disque à came (60) fait déplacer le coulisseau de verrouillage (69) à la manière d'une clavette coulissante jusque dans sa position de fermeture.
  17. Dispositif selon la revendication 16, caractérisé en ce que :
    pour ramener le coulisseau de verrouillage (69) hors de sa position de fermeture jusque dans sa position d'ouverture, le côté dorsal (82) du pêne détourné de la zone en V (61, 62, 63) du disque à came vient en appui contre la bordure (71) de l'ouverture de palpage (70), et
    la branche (62) du V s'appuyant en coulissement sur la bordure de l'entonnoir d'introduction (76) de l'ouverture d'introduction (75) du boítier guide à force le pêne de verrouillage (51) de telle sorte que le pêne de verrouillage (51) coulisse hors de la serrure lorsque l'on ouvre la porte d'appareil, et ramène alors le coulisseau de verrouillage (69) jusque dans sa position d'ouverture.
  18. Dispositif de verrouillage de porte comportant les éléments du préambule de la revendication 1, caractérisé par :
    un blocage à poussée sur le coulisseau de verrouillage (9), qui agit lorsque la porte d'appareil est ouverte, comportant :
    une butée de blocage (15) sur le coulisseau de verrouillage (9), et
    un goujon de blocage (20) qui s'appuie contre la butée de blocage (15) lorsque la porte d'appareil est ouverte, et qui peut être déplacé par le pêne de verrouillage (1) jusque dans une position d'ouverture libérant la butée de blocage (15) lorsque la porte d'appareil est fermée.
  19. Dispositif selon la revendication 18, caractérisé par :
    un ressort d'écartement (18) en forme de U monté dans la serrure, dont au moins une branche (17) s'appuie à titre de goujon de blocage par son côté frontal (20) contre la butée de blocage (15) lorsque la porte d'appareil est ouverte.
  20. Dispositif selon la revendication 19, caractérisé en ce que :
    les côtés frontaux (20) des deux branches (17) du ressort d'écartement s'appuient à titre de goujons de blocage contre une butée de blocage respective (15) lorsque la porte d'appareil est ouverte, et
    les branches (17) du ressort d'écartement sont écartées par le pêne de verrouillage (1) pour débloquer le coulisseau de verrouillage (9) lorsque la porte d'appareil est fermée.
  21. Dispositif selon la revendication 20, comportant un chariot (11) selon la partie caractérisante de la revendication 10, caractérisé en ce que le chariot (11) porte la butée de blocage (15).
  22. Dispositif selon la revendication 21, caractérisé en ce que :
    les extrémités libres des branches (17) du ressort d'écartement sont coudées pour réduire la distance entre les branches,
    lorsque la porte est ouverte, les zones coudées des branches du ressort d'écartement pénètrent dans la gorge de guidage de clavette (12),
    les côtés frontaux (20) des branches (17) du ressort d'écartement s'appuient simultanément sur des butées de blocage (15) conformées sur le chariot (11) à l'extérieur de la gorge de guidage de clavette (12).
  23. Dispositif selon les revendications 9 et 22, caractérisé en ce que le cône de montée (8) sur la clavette coulissante fait office simultanément de cône d'écartement pour écarter les branches (17) du ressort d'écartement lors du déblocage du coulisseau de verrouillage (9).
  24. Dispositif selon la revendication 20, caractérisé en ce que les bordures de l'ouvertur de palpage (70) dans le coulisseau de verrouillage (69) sont coudées à angle droit ou rabattues pour former une butée de blocage (languette de guidage 72).
EP19980107108 1997-04-30 1998-04-18 Dispositif de verrouillage de porte pour appareils électriques Expired - Lifetime EP0878576B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19718219 1997-04-30
DE19718219 1997-04-30
DE19815591 1998-04-08
DE19815591A DE19815591A1 (de) 1998-04-08 1998-04-08 Türverriegelungsvorrichtung für elektrische Geräte

Publications (2)

Publication Number Publication Date
EP0878576A1 EP0878576A1 (fr) 1998-11-18
EP0878576B1 true EP0878576B1 (fr) 2003-07-02

Family

ID=26036193

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19980107108 Expired - Lifetime EP0878576B1 (fr) 1997-04-30 1998-04-18 Dispositif de verrouillage de porte pour appareils électriques

Country Status (4)

Country Link
US (1) US6145898A (fr)
EP (1) EP0878576B1 (fr)
AT (1) ATE244330T1 (fr)
DE (1) DE59808870D1 (fr)

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Also Published As

Publication number Publication date
US6145898A (en) 2000-11-14
EP0878576A1 (fr) 1998-11-18
DE59808870D1 (de) 2003-08-07
ATE244330T1 (de) 2003-07-15

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