EP1481140A1 - Door for domestic appliances and corresponding domestic appliance - Google Patents
Door for domestic appliances and corresponding domestic applianceInfo
- Publication number
- EP1481140A1 EP1481140A1 EP03706502A EP03706502A EP1481140A1 EP 1481140 A1 EP1481140 A1 EP 1481140A1 EP 03706502 A EP03706502 A EP 03706502A EP 03706502 A EP03706502 A EP 03706502A EP 1481140 A1 EP1481140 A1 EP 1481140A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- door
- household appliance
- door handle
- control gear
- 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
Links
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- 230000001681 protective effect Effects 0.000 claims abstract description 13
- 238000010411 cooking Methods 0.000 claims description 27
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- 230000000903 blocking effect Effects 0.000 abstract 2
- 239000002184 metal Substances 0.000 description 11
- 125000006850 spacer group Chemical group 0.000 description 11
- 238000003780 insertion Methods 0.000 description 10
- 230000037431 insertion Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/02—Doors specially adapted for stoves or ranges
- F24C15/026—Doors specially adapted for stoves or ranges stowing of door in open position
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B7/00—Handles pivoted about an axis parallel to the wing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/02—Doors specially adapted for stoves or ranges
- F24C15/022—Latches
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/02—Doors specially adapted for stoves or ranges
- F24C15/024—Handles
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B1/00—Knobs or handles for wings; Knobs, handles, or press buttons for locks or latches on wings
- E05B1/0015—Knobs or handles which do not operate the bolt or lock, e.g. non-movable; Mounting thereof
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
- E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
- E05F1/10—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
- E05F1/12—Mechanisms in the shape of hinges or pivots, operated by springs
- E05F1/1246—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring perpendicular to the pivot axis
- E05F1/1253—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring perpendicular to the pivot axis with a compression spring
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
- E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
- E05F1/10—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
- E05F1/12—Mechanisms in the shape of hinges or pivots, operated by springs
- E05F1/1246—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring perpendicular to the pivot axis
- E05F1/1269—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring perpendicular to the pivot axis with a traction spring
- E05F1/1276—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring perpendicular to the pivot axis with a traction spring for counterbalancing
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/30—Application of doors, windows, wings or fittings thereof for domestic appliances
-
- 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
- Y10T292/438—Spring-arm catch
Definitions
- the present invention relates to a household appliance and a household appliance door which is pivotally mounted about a hinge axis, with a door handle which is pivotable about a door handle axis running parallel to the hinge axis and connected to at least one control gear which, when the door is pivoted in a first pivoting direction Door handle pivots in a second pivot direction opposite to the first pivot direction.
- a generic door is known from EP 0 659 960.
- the door is pivoted about a hinge axis and has a handle element.
- the handle element is pivotally mounted in the door about an axis running parallel to the hinge axis of the door.
- the spatial orientation of the handle element is maintained essentially regardless of the door position.
- a control gear is arranged between the handle element and a stationary area delimiting the door for transmitting the pivoting movement of the door to the door handle.
- a door handle arrangement with a door handle which is pivotable about an axis running parallel to the hinge axis of the door.
- the door handle is pivotable between a first position in which the door is closed and a second position in which the door is open.
- the door handle assembly has a biasing means connected to the door handle to bias the door handle to the first position.
- the object of the present invention is to provide a household appliance or a household appliance door which allows reliable operation.
- a protective device is assigned to the control gear of the door.
- the protective device when the door handle is actuated, the pivoting movement is transmitted from the door handle to the control gear prevented. A swiveling movement exerted by an operator on the door handle is therefore not introduced into the control gear, thereby preventing damage to the control gear.
- the protective device is formed by a locking element that can be adjusted into a locking position. In the locked position, the locking element prevents the door handle from pivoting.
- a locking element can be used in particular when transporting the household appliance: the door handle is fixed in the locked position and can be used to carry the household appliance without damaging the control gear. Since the door handle is no longer used as a means of transport in an installation position of the household appliance, the locking element can be adjusted into the release position in this installation position.
- the protective device is formed by a one-way clutch.
- the freewheel clutch decouples the door handle from the control gear when the swivel movement is transmitted from the door handle to the control gear. It is advantageous here that the control gear is permanently protected against swiveling movement starting from the door handle without additional handling steps, such as e.g. the placing of a locking element in the locking position are necessary.
- the protective device is formed by a tension spring.
- the tension spring absorbs the movement of the door handle during a swiveling movement transmission from the door handle to the control gear.
- the spring element exerts a first torque in a pivoting direction of the door handle.
- the door handle can be biased against an end stop in this pivoting direction.
- control gear can exert a second torque on the door handle. This second torque counteracts the first torque. This determines the pivot position of the door handle depending on the size of the torque.
- control gear has a tension element for exerting the first torque, which is provided between the tension spring and the door handle and acts on the door handle at a distance from the door handle axis at a distance of a first lever arm length.
- the tension spring can be arranged spatially separate from the door handle.
- the position of the tension spring is freely selectable; on the other hand, the size of the spring can also be selected regardless of the geometric conditions on the door handle.
- a further, second tension element is used to exert the second torque, which acts on the door handle at a distance from the door handle axis at a distance of a second lever arm length.
- the door handle is advantageously pivoted only by means of attacking tensile forces; thus an inexpensive traction cable can be used as the traction element, which only transmits tensile forces and no thrust forces.
- the first and / or second lever arm length can advantageously change depending on the pivoting position of the door handle.
- the lever arm length of the first lever arm can be designed to be comparatively large at the start of an opening movement of the door from the closed position, while the lever arm length becomes smaller with a further pivoting movement.
- control gear advantageously has at least one deflection roller.
- the position of the tension spring inside the door interior can be freely selected.
- the first and second tension elements are guided in the opposite direction over a common cam disk which is assigned to the door handle in a rotationally fixed manner. So that the first lever arm length of the first engaging pull element and the second lever arm length of the second engaging pull element are suitably dimensioned as a function of the pivoting position of the door handle, the cam disc can be designed eccentrically. In order to ensure smooth and synchronous transmission of movement from the control gear to the door handle, it is advantageous to provide one of the control gear on each of the two opposite narrow sides of the door.
- a hinge plunger which is assigned to a conventional door hinge, acts as a drive part of the control gear.
- a hinge is known to have a hinge part which is held in the household appliance.
- At least one spring is provided in the hinge as a weight compensation means, which executes a lifting movement when the door is pivoted. The stroke movement of the spring is transmitted to the control gear by means of the hinge plunger.
- the drive part of the control gear is formed by a guide element of the door: the pivoting movement of the door guides the guide element in a slide track assigned to the household appliance and interacts with the control gear to transmit a movement of the guide element to the control gear.
- the control gear can have a drive part with which the guide element interacts.
- the guide element can rotate the drive part.
- Figure 1 is a perspective view of a cooking appliance with the door open
- FIG. 2 is an enlarged view of a section of a door handle with an associated bearing housing;
- FIG. 3 shows a sectional side view along the line AA;
- Figure 4 is a side sectional view of the door along line B-B of Figure 1;
- FIG. 5 shows an enlarged detail from FIG. 4
- FIG. 6 shows a cooking device according to the second exemplary embodiment in a schematic perspective illustration
- Figure 7 is a perspective view of a storage module of the
- FIG. 8 shows an enlarged detail from FIG. 7 in perspective
- Figures 9a-9c are schematic diagrams showing an opening process of the door
- FIG. 10 shows a sectional side view of an upper and lower section of the door of the cooking appliance from FIG. 6;
- Figure 11 is a side sectional view taken along line D-D of Figure 7;
- Figure 12 is a side sectional view corresponding to Figure 11;
- FIG. 13 shows an enlarged sectional illustration along the line C-C from FIG. 8;
- FIGS. 14a-14c in a schematic view different assembly
- Figure 15 is a perspective view of a lower section of the
- Figure 16 shows a cooking appliance with the door closed
- FIG. 17 shows a sectional illustration along the line E-E from FIG. 16;
- FIG. 18 shows an enlarged detail from FIG. 17
- Figure 19 is an enlarged detail corresponding to Figure 18;
- Figure 20 is a schematic side view of an upper portion of a door according to the third embodiment.
- FIG 21 is a schematic block diagram with which the fourth
- Embodiment is illustrated.
- FIG. 1 shows a cooking appliance 1 as a household appliance.
- the cooking device 1 has operating and display elements 2 on the front with an assigned control unit.
- a cooking space 3 is also provided in the cooking device 1.
- the cooking space 3 is delimited by a muffle 4 which is open at the front.
- the front opening of the muffle 4 is framed by a front muffle frame 8.
- the cooking space 3 can be closed by means of a door 5, which is pivotably mounted about a horizontal hinge axis 12.
- the door 5 has an inner door pane 7 and an outer door pane 9 made of glass or glass ceramic.
- a door handle 17 is provided on an upper end face 6 of the door 5 and is pivotably mounted in a bearing housing 21.
- FIG. 2 the arrangement consisting of the door handle 17 and the bearing housing 21 is shown enlarged in sections in a perspective view.
- the door handle 17 has a handle strip 13, which is connected to a pivoting part 16 via bearing blocks 15.
- the pivoting part 16 forms the upper end face 6 of the door 5 and has pivots 19 on both sides in the longitudinal direction. These are rotatably supported in the bearing housing 21.
- Both that Bearing housing 21 and the swivel part 16 are preferably made as an injection molded part from a thermosetting plastic.
- Stiffening elements 23 are formed on both long sides of the bearing housing 21. These plunge into a door interior 41 and are detachably fastened, for example screwed, to the side edge strips 25 of the door 5.
- FIG. 3 shows a sectional view along the line A-A from FIG. 2, in which the door panes 7, 9 are indicated by dashed lines. Accordingly, the stiffening element 27 is in contact with the outer door pane 9, while the inner door pane 7 lies on a contact surface 22 of the bearing housing 21 with the interposition of a seal 29. 3 further shows that the bearing housing 21 has a support surface 31. The support surface 31 is arranged between the lateral pivot pins 19 and extends in the axial direction of the swivel part 16 over almost the entire length of the swivel part 1.
- the door handle 17 is assigned a tension spring 39 which biases the door handle 17 in a pivoting direction.
- the tension spring 39 is provided below the bearing housing 21 and extends in the longitudinal direction of the bearing housing 21.
- the tension spring 39 is freely suspended in the door interior 41 formed between the door panes 7, 9. The freely suspended arrangement of the tension spring 39 within the door interior 41 results in free expansion and thus a low-wear load on the tension spring 39.
- the two ends of the tension spring 39 are each connected to the swivel part 16 via a first tension cable 43 in order to transmit a tension spring force to the swivel part 16.
- the first traction cables 43 are guided to cam plates 47 via deflection rollers 45, which are rotatably mounted on the stiffening elements 27.
- the cams 47 are connected on both sides in a rotationally fixed manner to the longitudinal ends of the swivel part 16.
- Each of the first traction ropes 43 is fixed to an attachment point 46 on the circumference of the cam plate 47.
- the tension spring 39 biases the door handle 17 against the first stop 35 and exerts a first torque M1 in a pivoting direction on the door handle 17 (FIG. 4).
- the cams 47 are arranged within lateral recesses of the swivel part 16. The cutouts are covered on the end face by cover sections 18 of the swivel part 16.
- a second traction cable 48 engages on the circumference of each of the cams 47.
- the second traction cable 48 is guided opposite the first traction cable 43 around the cam plate 47 and fixed at the attachment point 46 on the circumference of the cam plate 47.
- the first and second pull cables 43, 48 and the cam disks 47 form components of a control gear 38.
- the control gear 38 transmits a pivoting movement of the door 5 to the door handle 17, i.e. when the door 5 is pivoted in a first pivoting direction, the control gear 38 pivots the door handle 17 in a second pivoting direction opposite to the first pivoting direction.
- the structure and the mode of operation of the control gear 38 are explained below with reference to FIG. 4.
- FIG. 4 shows an upper and lower section of the door 5 in a sectional view along the line BB from FIG. 1.
- the door 5 is arranged in a closed position.
- a conventional door hinge 49 is arranged in the door interior 41 in the lower section of the door 5.
- the door hinge 49 projects with a hinge part 51 through the inside of the door facing the cooking chamber 3; the hinge part 51 is inserted in a corresponding receptacle of the cooking appliance.
- the door hinge 49 has a weight compensation mechanism, which is indicated by a weight compensation spring 56.
- the weight balancing mechanism exerts a balancing force on the hinge part 51 when the door 5 is pivoted; the balancing force counteracts the weight of the door 5.
- a minimum value for the spring force of the tension spring 39 is assumed. This minimum value corresponds approximately to the frictional forces that have to be overcome to reset the door handle 17 after no actuation force F is exerted on the door handle 17.
- the tension spring 39 is dimensioned such that the above-mentioned minimum value is approximately 10-20% of the spring force of the tension spring 39.
- the spring force of the tension spring 39 is thus approximately five to ten times greater than this minimum value. If the door handle 17 is actuated incorrectly, for example by exerting the upward actuating force F (see FIG. 4), damage to the control gear 38 is prevented. At the same time, the comparatively large spring force during normal opening or closing actuation of the door handle 17 by the operator allows an ergonomically favorable operating feeling.
- the radius of the cam plate 47 is of great importance.
- the radius of the cam plate 47 determines the length of the lever arm and thus the magnitude of the torque with which the traction cables 43, 48 act on the cam plate 47.
- the gear ratio is determined by the cam radius with which one Drive movement of the control gear 38 is converted into a pivoting movement of the door handle 17.
- the lever arm lengths r1, r2 of the cam plate 47 assigned to the first and second traction cables 43, 48 are of different sizes.
- FIG. 5 illustrates an enlarged illustration of the cam plate 47 from FIG. 4.
- the points of attack of the pull cables 43 and 48 are illustrated with the reference numerals A1 and A2.
- the point of application A1 of the pull cable 43 moves counterclockwise during an opening process of the door 5 by a rotation angle section of approximately 90 ° along the circumference of the cam plate 47.
- the lever arm length r1 is essentially constant.
- the torque M1 exerted on the door handle 17 is therefore constant during the pivoting movement of the door 5.
- the point of application A2 of the pull cable 48 moves by a rotation angle section of approximately 90 ° in a counterclockwise direction along the circumference of the cam disk 47.
- the lever arm length r2 decreases when the door 5 swivels out of its closed position; i.e. that the torque M2 exerted on the door handle 17 is lowest in the horizontal door position.
- the torque M2 counteracts a weight of the door 5; the weight of the door 5 keeps the door 5 stable in its horizontal position.
- the reduced torque M2 in the horizontal door position is therefore not able to compensate for the weight of the door.
- the stable position of the door in its horizontal position is therefore not affected by the torque M2.
- the transmission ratio of the control gear 38 can be changed depending on the pivoting position of the door 5.
- Drive losses of the control gear 38 which occur, for example, at the start of a pivoting movement of the door due to an expansion of the pull cables 43, 48 or due to play in the control gear 38, can thus be compensated for.
- FIG. 6 shows a cooking device according to a second exemplary embodiment.
- the cooking appliance has a useful space module 83, indicated by a dash-dotted line, in which the cooking appliance muffle 3, not shown, is arranged.
- a storage space module 79 is arranged below the useful space module 83.
- the storage space module 79 has a storage space 61, in which a guide system 58 is provided for the door 5. With the guidance system 58 is the cooking appliance door 5 shown in dashed lines can be moved into the storage space module 79.
- the storage space module 79 serves as a base or foundation on which the useful space module 83 is mounted.
- the storage space module 79 is designed as an upwardly open sheet metal housing.
- Step-shaped contact shoulders 85 are formed on the upper edge of the side walls 80 of the sheet metal housing 79.
- the useful space module 83 lies on the contact shoulders 85.
- the operating and display elements 2 shown in FIG. 1 and an associated control unit are provided in the useful space module 83.
- the operating and display elements 2 together with the assigned control unit are functional independently of the storage space module 79.
- the drive movement for the control gear 38 is not generated by the conventional door hinge 49 shown in FIG. Rather, the control gear 38 of the second exemplary embodiment has a rotary shaft 57 as the drive part.
- the rotary shaft 57 is operatively connected to a guide element 59 of the guide system 58.
- the guide element 59 is part of the guide system 58, with the aid of which the door 5 is pushed into the storage space 61 provided below the cooking space 3 during an opening process.
- the guide system 58 has slide tracks 63.
- the slide tracks 63 are formed in the two opposite side walls 80 of the storage space module 79.
- the opposite slide tracks 63 guide sliders 60 of the guide element 59.
- the sliders 60 are welded to one another via a connecting rod 62.
- the guide element 59 is therefore guided like a guide carriage in the opposite slide tracks 63.
- Adjusting levers 67 are welded to the connecting rod 62 between the two sliding pieces 60. As shown in the enlarged perspective section of FIG.
- the actuating levers 67 are positively connected to the rotary shaft 57 of the control gear 38.
- the rotary shaft 57 is indicated in FIGS. 6 and 7 in a dash-dotted line.
- the above-mentioned positive connection between the adjusting levers 67 of the guide carriage 59 and the rotary shaft 57 of the door 5 is shown in FIG. In Figure 8, the inner and outer door panes 7, 9 of the door 5 are omitted. Accordingly, the rotary shaft 57 is rotatably supported in the opposite edge strips 25 of the door 5.
- the adjusting levers 67 of the guide carriage 59 each have a rectangular recess 69 (FIG. 8).
- a corresponding rectangular shaped section 71 of the rotary shaft 57 is held in the recess 69.
- the lateral edge strips 25 of the door 5 are each provided with a U-shaped groove on the outside, which serves as a guide rail.
- a bearing roller 65 is slidably guided on both sides.
- the bearing rollers 65 are attached to the side wall 80 of the storage space module 79.
- the U-shaped groove serving as a guide rail is formed with an open end 26 on its lower end face.
- Each of the opposite slide tracks 63 has a starting section 90 and an insertion section 91.
- a slope angle of the starting section 90 is approximately 45 °.
- the starting section 90 also takes up about 30% of the total length of the slide track 63, while the transition between the starting section 90 and the insertion section 91 is arcuate.
- the insertion section 91 runs essentially in a horizontal plane.
- the bearing rollers 65 fixed to the housing are arranged approximately at the level of the insertion section 91 of the sliding track 63.
- FIGS. 9a to 9c The course of movement of the guide carriage 59 of the door 5 in the link tracks 63 is described with reference to FIGS. 9a to 9c.
- the door 5 is shown in its closed position in FIG. 9a. In the closed position, the sliders 60 of the guide carriage 59 are located in the start section 90 of the sliding track 63.
- the sliders 60 of the guide carriage 59 initially move upward.
- the actuating lever 67 of the guide carriage 59 thereby lift the door 5 upwards.
- a lower end face 93 of the door 5 pivoting into the storage space 61 is simultaneously displaced upward away from a floor 117 of the storage space module 79, as can be seen from FIG. 9b.
- a pivoting range S of this lower end face 93 projecting into the storage space 61 and indicated by a dash-dotted line is thereby reduced.
- FIG. 10 explains how the control gear 38 transmits the forced rotation of the rotary shaft 57 to the door handle 17.
- FIG. 10 shows a side sectional view of the upper and lower section of the door 5 according to the second exemplary embodiment. It can be seen from this that the actuating lever 67 projects into the door interior 41 through an access opening 129 of the door 5 and is positively connected to the rotary shaft 57.
- the rotary shaft 57 is formed with a drive drum 54 which is arranged on the rotary shaft 57 in a rotationally fixed manner.
- the drive drum 54 is circumferentially engaged with the pull cable 48. As in the first exemplary embodiment, the pull cable 48 is connected to the door handle 17.
- the first pull cables 43 acting on both sides of the cams 47 of the pivoting part 16 of the door handle 17 are not connected to a common tension spring. Rather, according to FIG. 10, a separate tension spring 39 is assigned to each of the first tension cables 43.
- the tension spring 39 is fastened with a spring end to the edge strip 25 of the door 5.
- the other spring end of the tension spring 39 is coupled to the tension cable 43 via a retaining eye 75, whereby the first torque M1 is exerted on the door handle 17 in a counterclockwise direction.
- the control gear 38 shown in FIG. 10 has a third traction cable 77.
- the third traction cable 77 is guided on the one hand in circumferential engagement with the drive drum 54 of the rotary shaft 57 and in the opposite direction to the second traction cable 48 around the drive drum 54.
- the third traction cable 77 is in connection with the retaining eye 75 of the first traction cable 43.
- the first, second and third traction cables 43, 48, 77 of the control gear 38 form a closed cable pull, which for transmitting the rotary movement to the door handle 17, the cam plate 47 and the drive drum 54 envelops.
- a tensioning spring 81 is integrated in the third cable 77.
- the tightening spring 81 serves to tighten the closed cable 43, 48, 77.
- the tightening spring 81 increases the torque M1, which is exerted on the door handle 17 by the tension spring 39. Both the tensioning spring 81 and the tension spring 39 are therefore present for exerting the torque M1. Two comparatively small-sized springs can thus advantageously be used, which consume only little space in the limited interior 41 of the door.
- the dimensioning of the spring force of the tension springs 39, 81 is based on the minimum value for the spring force given in connection with FIG. 4.
- the pull cables 43, 48, 77 can be provided with setting elements for setting a tension.
- the setting elements they can be attached to the The same tension is applied to the pull cables provided on the door side. As a result, synchronous operation of the two control gears 38 is achieved.
- a weight compensation arrangement 94 for the door 5 of the second exemplary embodiment is described below with reference to FIGS. 7, 11 and 12.
- the weight balancing arrangement 94 exerts a balancing force acting against the weight of the door 5 on the door 5 during a movement of the door 5. The weight of the door 5 is therefore not picked up by the operator during a door movement, but by the weight compensation arrangement 94.
- FIG. 7 shows the storage space module 79 in a perspective view, from which a space divider 111 described later is shown separately.
- the weight compensation arrangement 94 has a pivot lever 95 on each of the opposite side walls 80.
- the pivot lever 95 is pivotally mounted on the opposite side walls 80 via a lever axis 97.
- FIG. 11 shows one of the side walls 80 in an enlarged side sectional view along the line D-D from FIG. 7. Accordingly, the pivot lever 95 projects into the start section 90 of the slide track 63 and is in engagement with the slide 60 of the guide carriage 59.
- a swivel range of the swivel lever 95 is designed such that the swivel lever 95 only engages with the slide 60 of the guide carriage 59 in the region of the starting section 90.
- pivot lever 95 is in the horizontal section 91 out of engagement with the slide 60 of the guide carriage 59.
- the pivot lever 95 is connected to a tension spring 103.
- the tension spring 103 is attached to the side wall 80. In Figure 11, the tension spring 103 biases the pivot lever 95 counterclockwise.
- the pivot lever 95 is pressed by means of the spring 103 against a first end stop 99, which is formed by a rubber pad.
- the pivot lever 95 allows the slide 60 of the guide carriage 59 to start moving from the closed position of the door 5.
- the swivel lever 95 is disengaged from the swivel lever 95.
- the sliding piece 60 only comes into contact with the swivel lever 95 at a swivel angle of the door 5 of approximately 20 °. This simplifies the initial movement of the door for the operator 5 from their closed position.
- the pivoted lever 95 preloaded according to FIG.
- this pivot position corresponds to a removal position described later, in which a simple removal of the door 5 from the guide system 58 is made possible.
- the weight compensation arrangement 94 has a pivotably mounted holding element 105 which is prestressed by means of a spring 106.
- the spring-biased holding element 105 presses the slide 60 of the guide carriage 59 in the direction of the pivot lever 95 during the above-described initial movement of the door 5. As a result, the door 5 is held stably in the removal position shown in FIG.
- the door 5 is mounted horizontally and shown pushed into the storage space 61.
- the slide piece 60 of the guide carriage 59 of the door 5 is located in the horizontal insertion section 91 of the slide track 63.
- the pivot lever 95 is out of engagement with the slide piece 60.
- the pivot lever 95 therefore does not exercise any Compensating force on the door 5.
- the pivot lever 95 is by means of the spring 103 in a clockwise direction against a second end stop 101, which is also formed by a rubber pad.
- the pivot lever 95 has a driver 107.
- the driver 107 of the swivel lever 95 projects into the slide track 63 in FIG. 12.
- the slide piece 60 has been moved from the start section 90 into the insertion section 91 of the slide track 63.
- the actuating lever 95 is biased against the second end stop 101 and is in a stationary position.
- the slider 60 comes into engagement with the driver 107 of the swivel lever 95.
- the swivel lever 95 moves out of its stationary position brought and comes again into a pressure system with the slider 60 of the guide carriage 59.
- the pivot lever 95 can exert the compensating force on the guide carriage 59 again during a pivoting movement of the door 5.
- the adjusting levers 67 have a rectangular recess 69.
- the corresponding rectangular shaped section 71 of the rotary shaft 57 is held in the rectangular recess 69. This creates a positive connection between the guide carriage 59 and the rotary shaft 57.
- a locking element 73 is explained below, which is mounted on the rotary shaft 57 according to FIGS. 8 and 13.
- the locking element 73 is displaceable between a locking position and a release position. In the release position, the locking element 73 releases the mounting of the rotary shaft 57 in the actuating lever 67. In a locking position of the locking element 73, the rotary shaft 57 is permanently connected to the actuating lever 67.
- the locking element 73 has a bearing sleeve which is mounted so as to be displaceable in the axial direction of the rotary shaft 57.
- a projection 76 is formed on an end face of the bearing sleeve. The projection 76 protrudes in FIG. 8 in the direction of a recess 78 provided in the adjusting lever 67. In the release position shown in FIG. 8, the projection 76 of the locking element 73 is out of engagement with the recess 78 of the adjusting lever 67. By lifting the door 5 in one Direction of the arrow Z, the rotary shaft 57 can therefore be released from the guide carriage 59.
- the bearing sleeve of the locking element 73 has a guide pin 82.
- the guide pin 82 is guided in a corresponding longitudinal groove 84 of the rotary shaft 57 between the locking and the release position. This ensures that the projection 76 of the locking element 73 can be pushed into the recess 78 of the actuating lever 67 in a precise position.
- the bearing sleeve is formed with a locking projection 86.
- the latching projection 86 snaps into corresponding recesses in the rotary shaft 57 both in the release and in the locking position. The locking element 73 is therefore in the locking and release position. Accidental displacement of the locking element 73 is prevented.
- the door 5 is held stably in the removal position between the holding element 105 and the actuating lever 95 at a pivoting angle of approximately 20 ° after its closed position.
- the rectangular recess 69 of the actuating lever 67 is open vertically upwards.
- the door 5 can therefore be lifted vertically upwards for removal in an ergonomically advantageous manner, without the shaped section 71 of the rotary shaft 57 jamming with the rectangular recess 69 of the actuating lever 67.
- the door-mounted bearing rollers 65 can be easily guided through the open ends 26 of the lateral guide rails 25 of the door 5 when the door is removed.
- the rotary shaft 57 When the door 5 is removed, the rotary shaft 57 is no longer positively guided by the guide carriage 59, but can be freely rotated. Due to the freely rotatable rotary shaft 57, the tensioning spring 79 shown in FIG. 10 no longer has any effect on the magnitude of the torque M1 with which the door 5 is pressed against the first stop 35. The size of the torque M1 is thus determined when the door 5 is removed solely by the spring force exerted by the tension spring 39 on the tension cable 43.
- the room divider 111 mentioned in connection with FIG. 7 is explained below.
- the room divider 111 is arranged in the storage space module 79.
- the space divider 111 has a horizontal intermediate bottom 113, and side walls 15. In the first storage space 61a, the door 5 can be moved.
- the room divider 111 also separates that from the backdrop 63 and
- Baking trays or other accessories can be stored in the second storage space 61b.
- the room divider 111 is arranged below the start section 90 and the insertion section 91 of the sliding track 63.
- Display elements 121 are provided in the area of the access opening 119 of the second storage space 61b (FIGS. 7 and 8).
- the display elements 121 are designed as cams which are fastened to the bottom 117 of the storage space 61.
- the display elements 121 show the operator a maximum permissible length for objects that can be stored in the second storage space 61b without protruding into the pivoting area S of the lower end face 93 of the door 5.
- front panels 123 are formed (FIG. 7).
- the screens 123 serve as a screen for the first storage space 61a.
- a collecting channel 125 is provided in the housing base 117 in the area of the front access opening 119 in order to keep the second storage space 61b free of impurities, for example dripping condensate water.
- FIGS. 14a) to 14c Various variants of the household appliance according to the invention are shown in a schematic view in FIGS. 14a) to 14c).
- the useful space module 83 and the storage space module 79 are shown separated from one another.
- the structure and mode of operation of both modules 79, 83 corresponds to that of the previous figures.
- the storage space module 79 and the useful space module 83 are initially manufactured independently of one another as separate structural units.
- the storage space module 79 and the useful space module 83 are then joined together in an assembly step to form the household appliance.
- the storage space module 79 serves as a base on which the useful space module 83 is placed in the direction of the arrow.
- the storage space module 79 is arranged above the useful space module 83 in FIG. 14b.
- the door 5 can therefore be moved upwards into the storage space 61 of the storage space module 79.
- the storage space module 79 is arranged upright.
- the storage module 79 arranged upright is fastened to one side of the useful space module 83 according to FIG. 14c.
- the door 5 can therefore be moved into the storage space 79 arranged on the side of the useful space module 83.
- a sheet metal element 127 is glued to the inner door pane 7 by means of an adhesive connection. A part of the inside of the door 5 facing the cooking chamber 3 is therefore formed by the sheet metal element 127.
- the sheet metal element 127 has one Extension section that extends the inner door panel 7 to the lower end face 93 of the door 5.
- the sheet metal element 127 is bent at a right angle to form the lower end face 93 of the door 5.
- a contact surface 134 is formed at the end of the bent part of the sheet metal element 127. The distance between the outer door pane 9 and the inner door pane 7 is fixed by means of the contact surface 134.
- a through opening 129 is formed in the extension section of the sheet metal element 127.
- the adjusting lever 67 of the guide carriage 59 which engages with the rotary shaft 57 arranged in the door interior 41, projects through the through opening 129 (FIG. 8).
- the hinge part 51 of the door hinge 49 of the first exemplary embodiment shown in FIG. 4 can protrude through the through opening 129.
- the passage opening 129 extends not only in the plane of the inside of the door, but also in the plane of the lower end 93 of the door 5.
- FIG. 15 Further assembly or operating openings can be provided in the sheet metal element 127.
- an operating opening 131 is provided on the lower end face 93 of door 5.
- the operating opening 131 provides the operator with access to the locking element 73, which is adjustably arranged on the rotary shaft 57.
- the locking element 73 is thus easily adjustable between the locking and the release position.
- a collecting channel 133 is also embossed in the sheet metal element 127 for collecting dripping condensate liquid. If the door 5 is therefore arranged horizontally in the storage space 61, condensate located on the inside of the door collects in the gutter 133.
- the sheet metal element 127 has angle brackets 135 which are used to fasten the inner door pane 7 to the edge strips 25 of the door.
- the inner door pane 7 can be fastened in a simple manner to the edge strips 25 of the door via the angle bracket 135, for example by means of a screw connection.
- FIG. 16 shows the cooking appliance 1, the door 5 of which is arranged in its closed position.
- Edge strips 137 of the cooking appliance are arranged on both sides of the door 5.
- the edge strips 137 are spaced apart from the door 5 via a gap 138.
- FIG. 17 shows a sectional view along the line EE from FIG. 16. It can be seen from this that spacers 139 are located between the lateral edge edges of the inner door pane 7 and the respective opposite edge strips 137 are provided.
- the spacers 139 are molded from plastic and fastened to the edge strips 137 on the housing side. In the closed position of the door 5, the spacers 139 define a gap width b between the door 5 and the edge strip 137. For optical reasons, it is preferred that the spacers 139 keep the door 5 centered between the edge strips 137.
- the spacer 139 shown in FIG. 18 has a run-up slope 141 and a centering section 143.
- the ramp slope 141 guides the door 5 during a closing movement into the closed position in which the optically favorable gap width b is reached.
- the centering section 143 follows in the closing direction of the door 5 after the run-up slope 141.
- the centering sections 143 of the opposite spacers 139 each form lateral stops for the opposite edge edges of the inner door pane 7.
- the edge edges of the inner door pane 7 are arranged between the centering sections 143 of the spacers 139 and the opposite edge of the inner door pane 7 with a slight play s of approximately 1 mm.
- FIG. 19 shows a modification of the spacer 139 described above. Accordingly, the chamfer 141 is bulged and merges into the centering section 143 without transition edges. The opposite edge of the inner door panel 7 is also rounded. During the closing movement of the door 5 in the direction of the arrow, the door 5 is thus positioned particularly smoothly between the centering sections 139.
- the spacers 139 By means of the spacers 139, it is possible to support the guide carriage 59 with an axial play in the link tracks 63.
- the axial play ensures a smooth movement of the guide carriage 59 in the link tracks 63.
- the spacers 139 ensure that the door 5 is positioned in the correct position in its closed position, despite the axial play.
- FIG. 20 An upper section of the cooking appliance door 5 according to the third exemplary embodiment is indicated schematically in FIG.
- the bearing housing 21 and the door handle 17 mounted therein are designed in accordance with FIG. 2.
- a locking element 151 is held in the bearing housing 21.
- the locking element 151 is in the longitudinal direction of the Bearing housing 21 slidably.
- the locking element 151 is shown in its locking position, in which it protrudes into a corresponding recess 152, which is provided in the pivoting part 16 of the door handle 17.
- the locking element 151 prevents the door handle 17 from pivoting relative to its bearing housing 21; that is, the door handle 17 is non-rotatable relative to the bearing housing 21. Therefore, if the operator exerts an upward force on the door handle 17, for example during the transportation of the cooking appliance, the transmission of a pivoting movement from the door handle 17 to the control gear 38 and thus possible damage to the control gear 38 is prevented.
- a fourth exemplary embodiment of the invention is indicated in FIG. 21 on the basis of a schematic block diagram. Accordingly, a drive movement is transmitted to the cam plate 47 and further to the door handle 17 in a first arrow direction I by means of the control gear 38.
- a one-way clutch 161 is connected between the cam plate 47 and the door handle 17. The one-way clutch 161 enables movement transmission from the cam plate 47 in the first arrow direction I to the door handle 17.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
- Electric Ovens (AREA)
- Power-Operated Mechanisms For Wings (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
- Securing Of Glass Panes Or The Like (AREA)
- Catching Or Destruction (AREA)
- Refuse Collection And Transfer (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP06013394.9A EP1719860B1 (en) | 2002-02-27 | 2003-02-13 | Household appliance door and household appliance |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10208494 | 2002-02-27 | ||
DE2002108494 DE10208494B4 (en) | 2002-02-27 | 2002-02-27 | Home appliance door and home appliance |
PCT/EP2003/001452 WO2003072897A1 (en) | 2002-02-27 | 2003-02-13 | Door for domestic appliances and corresponding domestic appliance |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06013394.9A Division EP1719860B1 (en) | 2002-02-27 | 2003-02-13 | Household appliance door and household appliance |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1481140A1 true EP1481140A1 (en) | 2004-12-01 |
EP1481140B1 EP1481140B1 (en) | 2006-08-30 |
Family
ID=27762472
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20030706502 Expired - Lifetime EP1481140B1 (en) | 2002-02-27 | 2003-02-13 | Door for domestic appliances and corresponding domestic appliance |
EP06013394.9A Expired - Lifetime EP1719860B1 (en) | 2002-02-27 | 2003-02-13 | Household appliance door and household appliance |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06013394.9A Expired - Lifetime EP1719860B1 (en) | 2002-02-27 | 2003-02-13 | Household appliance door and household appliance |
Country Status (7)
Country | Link |
---|---|
US (1) | US7234457B2 (en) |
EP (2) | EP1481140B1 (en) |
AT (1) | ATE338177T1 (en) |
BR (1) | BR0308004A (en) |
DE (2) | DE10208494B4 (en) |
ES (1) | ES2539127T3 (en) |
WO (1) | WO2003072897A1 (en) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004006764A1 (en) | 2004-02-11 | 2005-09-08 | BSH Bosch und Siemens Hausgeräte GmbH | door |
DE102004061053B4 (en) * | 2004-12-18 | 2007-03-15 | Miele & Cie. Kg | Household appliance having a body and a door |
DE102005034408B4 (en) * | 2005-07-22 | 2007-11-22 | Meiko Maschinenbau Gmbh & Co. Kg | Hinged door for dishwashers |
DE102006002409A1 (en) * | 2006-01-18 | 2007-07-19 | BSH Bosch und Siemens Hausgeräte GmbH | Device with a door |
US7871138B2 (en) * | 2006-04-27 | 2011-01-18 | General Electric Company | Vertical lift door assembly for an appliance |
US8500917B2 (en) | 2007-02-09 | 2013-08-06 | Premark Feg L.L.C. | Warewasher and associated door construction |
DE102007047005A1 (en) * | 2007-10-01 | 2009-04-02 | BSH Bosch und Siemens Hausgeräte GmbH | oven |
DE102008011649B4 (en) * | 2008-02-28 | 2011-05-05 | BSH Bosch und Siemens Hausgeräte GmbH | Appliance door and method of operating the appliance door |
DE102011078535A1 (en) * | 2011-07-01 | 2013-01-03 | BSH Bosch und Siemens Hausgeräte GmbH | Hinge for a door of a domestic appliance, door with such a hinge and household appliance with a corresponding hinge and method for actuating a door handle of a door |
DE102011084300A1 (en) * | 2011-10-11 | 2013-04-11 | BSH Bosch und Siemens Hausgeräte GmbH | Door for a household appliance, household appliance with a door and method for moving a handle of a door of a household appliance |
DE102014215613A1 (en) * | 2014-08-07 | 2016-02-11 | BSH Hausgeräte GmbH | Door for a household appliance, household appliance with a door |
US10823428B2 (en) * | 2016-05-05 | 2020-11-03 | Whirlpool Corporation | Vertically translating hinge mechanism for a built-in oven |
KR102605675B1 (en) | 2016-12-08 | 2023-11-27 | 삼성전자주식회사 | Home appliance with leveling door handle |
GB2566322A (en) * | 2017-09-11 | 2019-03-13 | Thomas Barson Steven | Stove door |
US11320153B2 (en) | 2017-12-12 | 2022-05-03 | Viking Range, Llc | System and method for selectively covering an appliance |
US10822852B1 (en) * | 2019-07-19 | 2020-11-03 | Haier Us Appliance Solutions, Inc. | Linear hinge assembly for an appliance |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2104994A (en) * | 1938-01-11 | hughes | ||
US1801190A (en) * | 1928-06-20 | 1931-04-14 | Edison General Elec Appliance | Door construction |
US1969197A (en) * | 1933-02-24 | 1934-08-07 | Jesse W Barker | Oven door |
US2925081A (en) * | 1957-03-06 | 1960-02-16 | Borg Warner | Slide-away door structure |
US3263674A (en) * | 1964-12-09 | 1966-08-02 | Gen Electric | Oven door with self-contained counter-balancing means |
US4082077A (en) * | 1976-07-22 | 1978-04-04 | Litton Systems, Inc. | Oven door latch |
DE2740462A1 (en) * | 1977-09-08 | 1979-03-22 | Adelberger | Oven door handle - arranged in cool parts for safe handling |
GB8526925D0 (en) * | 1985-11-01 | 1985-12-04 | Laidlaw Thomson Group Plc | Door handle arrangement |
IT1207637B (en) * | 1987-03-18 | 1989-05-25 | Giesse Spa | HANDLE FOR FIXTURES SUCH DOORS AND DOORS OF SIGNIFICANT DIMENSIONS OR WEIGHT |
DE3935803A1 (en) * | 1989-10-27 | 1991-05-02 | Licentia Gmbh | Oven handle engageable with apertured glass front plate - has definite spring-loaded open and closed positions |
DE4344337A1 (en) * | 1993-12-23 | 1995-06-29 | Bosch Siemens Hausgeraete | Swing-mounted door, especially for household appliances |
DE9406610U1 (en) * | 1994-04-20 | 1994-06-23 | Bosch-Siemens Hausgeräte GmbH, 81669 München | oven |
DE19923994A1 (en) * | 1999-05-26 | 2000-11-30 | Bsh Bosch Siemens Hausgeraete | Household appliance hinge device |
DE20012698U1 (en) * | 2000-07-21 | 2001-11-29 | Liebherr Hausgeraete | Fridge or freezer with a door with a handle |
-
2002
- 2002-02-27 DE DE2002108494 patent/DE10208494B4/en not_active Expired - Fee Related
-
2003
- 2003-02-13 AT AT03706502T patent/ATE338177T1/en not_active IP Right Cessation
- 2003-02-13 WO PCT/EP2003/001452 patent/WO2003072897A1/en active IP Right Grant
- 2003-02-13 ES ES06013394.9T patent/ES2539127T3/en not_active Expired - Lifetime
- 2003-02-13 BR BR0308004A patent/BR0308004A/en not_active Application Discontinuation
- 2003-02-13 DE DE50304854T patent/DE50304854D1/en not_active Expired - Lifetime
- 2003-02-13 EP EP20030706502 patent/EP1481140B1/en not_active Expired - Lifetime
- 2003-02-13 EP EP06013394.9A patent/EP1719860B1/en not_active Expired - Lifetime
-
2004
- 2004-08-27 US US10/928,233 patent/US7234457B2/en not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO03072897A1 * |
Also Published As
Publication number | Publication date |
---|---|
BR0308004A (en) | 2005-01-04 |
DE10208494B4 (en) | 2008-04-17 |
US7234457B2 (en) | 2007-06-26 |
EP1719860B1 (en) | 2015-05-27 |
EP1719860A1 (en) | 2006-11-08 |
DE10208494A1 (en) | 2003-10-16 |
DE50304854D1 (en) | 2006-10-12 |
ES2539127T3 (en) | 2015-06-26 |
WO2003072897A1 (en) | 2003-09-04 |
EP1481140B1 (en) | 2006-08-30 |
ATE338177T1 (en) | 2006-09-15 |
US20050023843A1 (en) | 2005-02-03 |
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