CN1216101A

CN1216101A - Ffeezer

Info

Publication number: CN1216101A
Application number: CN97193744A
Authority: CN
Inventors: R·迈尔; H·R·杨森; W·雷彻尔; E·戈克尔曼; W·兰
Original assignee: Individual
Current assignee: BSH Hausgeraete GmbH
Priority date: 1996-04-11
Filing date: 1997-04-07
Publication date: 1999-05-05
Anticipated expiration: 2017-04-07
Also published as: WO1997038273A1; DE29606605U1; TR199801876T2; ATE187816T1; EP0891524A1; EP0891524B1; ES2142153T3; DE59700851D1; GR3032922T3; CN1135347C; BR9709118A

Abstract

The invention concerns a freezer (10) with a housing (11) fitted with a door (14) having a rotatably mounted handle (20) designed as a twin-armed lever, the lever having a longer arm (21) which is gripped by the hand to open the door (14) and a shorter arm (22) which presses against the housing (11) when the handle is operated. Fixed to the door is a mounting element (50) with a least one guide (51) which extends up to the side of the longer arm (21), engages in a countersupport (27) on this arm (21) and holds the door handle (20) securely about its axis of rotation over essentially the whole of its angle of rotation.

Description

Refrigerating plant

The present invention relates to a kind of refrigerating plant that door is installed on its insulated shell, one catch rotate to install, be designed to double-arm lever only is set on door, and catch is made up of a lever arm long, that be used for opening the door as handle and one lever arm short, that be supported on the shell when the operating grip.

For refrigerating plant, especially for having disposed the household freezer that opens the door greatly, people give door configuration door-opening auxiliary gradually for the ease of opening commentaries on classics face.This servicing unit or be designed to the magnetic seal material of door partly from the mechanical device that takes off of shell opener edge as door armature, be designed to double-arm lever, by means of its lever arm long, that be used as handle, the power that is used to open the door is reduced significantly owing to the length of its bar.It is open by the utility model 1811327 of Germany that being used to of just having mentioned reduces the possibility of the power of opening the door.Diagram and introduced a kind of double-arm lever in that patent, it is positioned at the front of insulated door in rotating mode, and its long lever arm is as handle, and the short lever arm that is used to open the door or act on compressor arm or act on pressure strip.

The objective of the invention is to, on the basis of the state of the art, recommendation is according to the fastening devices of the described a kind of catch of preorder of claim 1, because this device very bending resistance is fixed on catch on the door body of being made up of the thermal insulation material of thin-wall shell and wherein filling with simple structure means.

Realize above-mentioned purpose according to the present invention by following method, a dismountable retaining element promptly is installed on door, it has at least one lead segment of extending from axis of rotation towards long lever arm one side, lead segment is meshed with corresponding lead segment on being positioned at this long lever arm, and at least almost in the whole anglec of rotation zone of catch, at axis of rotation direction upper support catch towards catch.

By this according to solution of the present invention, for being arranged on the catch of the double-arm lever shape on the refrigerating plant insulated door, created a kind of fixation, this measure is with clearly defined objectively acting on as the power on the catch long lever arm of handle, mainly be unexpectedly, run counter to rules when operation ground and be applied to power on the retaining element, pass to door shell with the form of area load.Like this, just avoided the damage of the opposite house that the prejudicial door shell distortion of service behaviour and point-like over burdening are caused that produces at the point of force application place sometimes of point-like, eliminating the door shell distortion always carries out in whole door angle range reliably, in addition, because the retaining element of installing with removably does not have big installation cost can be fixed on the side of unclamping of door, this method also is used for simple and the keeper replacing timesaving door.

The preferred implementing form of object is done following design according to the present invention, retaining element has one section sickleshaped convex shoulder on its lead segment, it is used to prolong the lead segment with corresponding lead segment interlock, and can extend in the holding tank that is similar to grooving of design on catch, and with its rigidity interlock in the gyratory directions of catch.

By means of this measure, realized that easily the operating physical force that acts on the catch long lever arm more advantageously transfers to retaining element, therefore, the axis of rotation of catch farthest unloads, and the active force of therefore having avoided almost approaching point-like is transferred on the door shell on the one hand through axis of rotation, transfers on the catch on the other hand.

If according to the next suitable form of implementation of theme of the present invention on the catch except the corresponding lead segment on its long lever arm, one section corresponding lead segment also is set on its square lever arm, it at least in the scope of the anglec of rotation of catch be positioned on the retaining element another section lead segment in the axis of rotation direction rigidity interlock of catch, so, import to the power of operating on the long lever arm in the process of opening the door and shift to catch with forming in large area reliable especially with the form that acts on the area load on door shell and the catch.

If do following design according to the another kind of preferred form of implementation of object of the present invention, be lead segment on the retaining element be designed to two sections almost near each other facing to guide plate, lead segment will be worthwhile especially aspect process technology so, however, still can make to such an extent that have enough guidance accuracies.

If do following design according to the next appropriate structures of object of the present invention, be the away from each other free-ended of guide plate on the retaining element, just realize a king-sized zone of action by guide plate so, be used to produce the area load that acts on a body and the catch.

Do following design according to the next appropriate structures of object of the present invention, promptly by along same direction stairstepping make the narrow limit section of flat template sink to manufacturing guide plate on the retaining element.

Advantage in this solution is that a kind of semiproduct of cheapness can be used to manufacture retaining element, and guiding the degree of depth here can be definite by bending easily.A kind of in addition such retaining element makes a kind of possibility that is constructed to of compactness especially.

If do following design according to the next preferred implementing form of object of the present invention, promptly be positioned at the lead segment that is designed to guide plate on the retaining element, can with catch on be implemented as the corresponding lead segment interlock of flute profile container cavity, and on the axis of rotation direction, effectively be rigidly connected with its formation is a kind of.So, the guide plate on the fixed part is laid exactly by accurate and position.

Another kind of preferred form of implementation according to object of the present invention is done following design, and promptly retaining element is fixed on the side opposite with the door oriented side in demountable mode with catch.

By means of this solution, in the necessary afterwards door location alternation process, catch comprises that retaining element can reequip with the operative employee of rational mounting technique consumption by refrigerating plant sometimes.In addition, this locational catch operation especially easily for operating personnel that is fixed on the refrigerating plant door.

Another kind of appropriate structures according to object of the present invention is done following design, and promptly retaining element is set in place removably on the visible part of the side on the oriented side opposite of door, and is covered by catch.

A kind of such solution is on the one hand because its extra high installation convenience degree and on the other hand because it is one because of covering does not appear ground and gracefully do not touch with a door body is therefore especially outstanding.

A kind of preferred implementing form according to object of the present invention is done following design, be that catch has a holding tank, in holding tank, inserted a short rhaeboscelia that catch is pressed to the semielliptic spring in its resting position rigidly, its element that is fixed farthest covers, and is supported on retaining element and deviates from the side of catch short lever arm by means of being positioned at long rhaeboscelia on the retaining element with it.

According to above-mentioned structure, catch is got back to initial position automatically after finishing opening door operation, has so just avoided hindering the catch position of the intact closure state of refrigerating plant door all the time reliably.By means of the application point of selecting for spring, a kind of spring arrangement of extreme compactness becomes possibility in addition.

Another kind of preferable configuration according to object of the present invention is done following design, be to comprise one section that is designed to dihedral in the catch, and this section has the point of rotation of catch, formed the part of the short lever arm and the long lever arm thereof of catch by this section, in this case, an arcuate leg is used for fixed gate handle on visible surface, and another root leg is arranged essentially parallel to the front extension of door and has disposed handle.

The handle of having guaranteed catch by this solution can be with respect to reveal face and the projection of shell-side face, otherwise the space requirement of refrigerating plant can unnecessarily increase.In addition by this solution, can not cause difficulty owing to direct furniture in abutting connection with refrigerating plant to the extracting of catch.

If do following design according to the another kind of preferred implementing form of object of the present invention, be that the dihedral section has two not isometric legs, long leg wherein has been designed to cover retaining element, has comprised the receiving member of the corresponding lead segment of retaining element, and short-leg wherein is arranged essentially parallel to the front extension of door and has been configured handle, so, a kind ofly can be installed in especially satisfactorily that door is gone up and with regard to obtaining because the catch of the angle steel limit of weak point with shape rigidity.

If do following design according to the last a kind of preferred implementing form of object of the present invention, be that catch is manufactured by plastics die casting and strengthened with mineral material, yet so just obtain a kind ofly can aspect process technology, manufacturing the good especially catch of shape rigidity cheaply.

In the following description by means of one in the accompanying drawings the embodiment of detailed representation explain the present invention.Be illustrated as:

Fig. 1 has represented a domestic refrigerator, and it has on the door that is positioned at its unlatching, be in the stereogram foremost, be designed to the catch of double-arm lever,

Fig. 2 adopts left view with the door in the local displaying door handle zone of amplifying than Fig. 3.

Fig. 3 adopt the elevation form showed as shown in Figure 2, above to be provided with the door of catch local, in the zone of its retaining element that on door, is used for fixing, adopt the part section form to represent,

Fig. 4 adopts the part section form of top view to be provided with the door of catch above having showed,

Fig. 5 adopts the part section form of right view to show to be in from door and pulls down the catch of state and be fixed on retaining element on the catch.

Fig. 1 has represented a domestic refrigerator, is designed to adiabatic shell 11 and has guick freezing room 12, and it is used for holding overlapping placement, is the frozen goods holding tank 13 of drawer form, and can enter by the inlet on the shell 11.Inlet can be covered by the door 14 that a fan is positioned on the shell 11, door flexibly is attached on the periphery of inlet by magnetic seal material 15 when being in the state that is covered, in order to open the refrigerating plant door, on its sidewall relative, a catch 20 is set rotationally with side.

Especially as indicated in Fig. 2, catch 21 is designed to double-arm lever, and its lever arm 21 has different brachium L1 and L2 with 22 with respect to the axis of rotation that is made of rolling bearing, and wherein lever arm 22 is invested short brachium L2.The catch 20 that is designed to double-arm lever has the tubular sections and the connection horn shape section thereon that approach elliptic cross-section by one section to be formed, and the latter is made by angle steel.The angle steel section comprises short lever arm 22 and constitutes a part of long lever arm 21, the latter expands to its brachium L1 by its tubular sections that is used to operate, and is reduced to by short lever arm 22 brachiums and the determined ratio of long lever arm brachium opening 14 o'clock opening force of door.The angle steel 23 that comprises short lever arm 22 is not by isometric, basically the leg of at right angles arranging mutually 24 and 25 is formed, short-leg 24 wherein is connected with the tubular sections of catch 20, and point to door 14 oriented side, be arranged essentially parallel to the front (seeing Fig. 4 relevant portion) of door.The long leg 25 of angle steel 23 is parallel to the aspectant side 16 of oriented side that is positioned at door 14 and extends, and has an accommodation hole 26 that is implemented as clear opening, and the latter is stairstepping ground expansion (seeing Fig. 3 and Fig. 4) towards the outside of opening side 16 that deviates from of long leg 25.

The long leg 25 of angle steel 23 is especially as indicated in Fig. 3 and Fig. 5, it towards the side 16 inboard, disposed the guide channel that is provided with near side perpendicular to lever

arm

21 and 22 legs 25 that extend, guide channel has disposed an entrance hole that does not show towards long leg 25 free-ended ends, and the channel opening of guide channel faces one another, and towards accommodation hole 26.The groove width of guide channel is subjected to the restriction as the side wall surface of

corresponding lead segment

27, and 16 inboard constitutes one of them side wall surface towards the side by long leg 25, is set at respectively on bar shaped

wall section

28 and 29 and be positioned at the aspectant side wall surface of this sidewall.The holding tank 30 that is similar to grooving is set directly at the below (see figure 5) of wall section 28, its grooving mouth is towards the free end of long leg 25, and it encloses the wall that holds the grooving space and is designed to seal wall, here towards the wide restriction as the inboard of guiding face that is subjected to long leg of the grooving of long leg 25.One coherent, be connected on the holding tank 30 that is similar to grooving towards the rinforcement bar 31 that is positioned at 29 extensions of following wall section, and rinforcement bar has that the free end that is parallel to long leg 25 extends vertical 32, and the section 33 of relative section inclination, rinforcement bar is used as stop surface towards the free-ended wall of leg 25.Rinforcement bar 31 surrounds a gap 34 with the holding tank 30 that is similar to grooving,

wall section

28 and 29, and the gap is designed to open wide towards the free end direction of leg 25.On leg 25 free ends, leg side below when being in the installation site, being in, be positioned at the opposite of the holding tank 30 that is similar to grooving diagonally, a tight cam 35 is set, it can for example be molded on the free end of leg 25 together, perhaps resemble and be designed to the part of packing in this example like this, the material property that compresses cam is the best aspect abrasion and friction.Built-up member have disposed canned paragraph 36 for its fixing purpose, canned paragraph can be embedded into one in the interlock mode and do not represented in detail, only is designed to towards holding in the grooving that the free end direction of leg 25 is opened wide, and is subjected to rigid support in face of the embedding direction of holding grooving.On canned paragraph 37, connected cam part 37, its free end has cam contour 38, it reaches the free-ended opposite of leg 25, in this case, the height that stretches out is adjusted on the different loading heights of magnetic seal material 15, approaches identical cam stroke so that obtain one basically with respect to all loading heights.

Especially as seeing among Fig. 5, compress above the cam 35, the inside in slit 34 provides the high platform 40 of a base class, high platform has one section with respect to 33 inclinations of rinforcement bar section, the holddown groove 41 that opens wide towards sidewall 16, holddown groove is sealed by stop 42 towards side wall sections 29 directions, and it carries out the transition to one in the ring-type arch area 43 of holding tank 26 arranged concentric towards an end of wall section 28, and the ring width of annular arch area is bigger than the groove width of holddown groove 41.One can be inserted in the holddown groove 41 rigidly by the curved leg of making the semielliptic spring 44 of U-shaped basically, and the configuration of the correct location of semielliptic spring is determined by means of the location of end face on the wall 42 of location of Convenient table.Be connected under the stationary state of the semielliptic spring of footing in being in ring-type arch area 43 on the Convenient table of U-shaped semielliptic spring, by means of and the wall of the ring-type arch area of definite basal plane width between the gap determine the position, the loose leg of semielliptic spring then is projected in the gap 34.This gap is used for holding one and has the fixed part 50 that the flat plate that is essentially the rectangle front constitutes by one, and fixed part has not isometric narrow rectangular edges, and rectangular edges stairstepping ground sinks.Meet the height of high platform 40 by the ladder height that sink to obtain, the fixed parts 50 that are set at like this in the gap 34 are supported on the high platform 40 by its medial surface towards high platform 40.Trapezoidal being whittled into by fixed part 50 end faces in addition, constitute the plate body be parallel to fixed part extends, free end lead segment 51 away from each other, lead segment 51 can guided interlock with corresponding lead segment 27, like this catch 20 and fixed part 50 be rigidly connected mutually on the direction of catch 20 axis of rotation (also referring to Fig. 3).Fixed part 50 has multi-form long rectangular edges, wherein be configured one section knuckle section 52 that is arranged in its whole altitude range towards leg 25 free-ended long rectangular edges in the installation site of fixed part 50, the knuckle section is to be projected into the leg of the semielliptic spring 44 in the gap 34 as bearing towards the inboard of high platform 40.In 50 two long rectangular edges of fixed part another has trapezoidal cross-section, its bigger ladder height is determined by a sickle-shaped convex shoulder 54, the length that lead segment 51 is determined by its ladder degree of depth by means of convex shoulder continues to extend, and the height of ladder is adjusted to the height of the holding tank 30 that is similar to grooving, the convex shoulder 54 that is similar to reaping hook so just can be insinuated in the holding tank, and with its interlock on the direction of the turning cylinder of catch 20.A positioning section 55 that has disposed the linear edge profile is set directly at the below of sickleshaped convex shoulder 54, the positioning section 56 that another piece of lead segment 51 directions below being positioned at has the linear edge profile is connected on the positioning section 55, and positioning section 56 is returned to remove with respect to positioning section 55 is provided with opposite (to this especially can referring to Fig. 5).

Fixed part 50 is between its two lead segment 51, as Fig. 3 and shown in Figure 5, be set up three vertically mutual stacked through holes, wherein two through holes that are provided with near lead segment 51 are used as fixed via 57, and the through hole that is arranged between the two is designed to support holes 58.

Having the trip bolt of immersing oneself in can be inserted in the fixing hole 57, dispose external screw thread, be used on sidewall 16 the fixedly shank of screw of fixed part 50, with the nut thread interlock mutually of stablizing reinforcement feature 60 internal shapings of side 16 in the zone that is used at fixed part 50 at, reinforcement feature is loaded into the interior back of the body shop parts (seeing Fig. 3 and Fig. 4) that are used as of cavity of a body.The dead eye 58 that is arranged between the fixing hole 57 is used for rotatably support catch 20 on sidewall 16, at this moment be provided with an attachment screw 61 for rotating support, its head of screw is set at the inside of holding tank 26 under installment state, and dead eye 58 is passed in the stage casing of its shank of screw, and it has disposed the interaction of intermeshing of nut thread in externally threaded latter end and the reinforcement feature 60.

When being in the state that is installed on the sidewall 16, catch 20 is by retaining element 50 carryings, for this purpose, the lead segment 51 of retaining element is inserted in the corresponding lead segment 27, and fixing rigidly in the direction of its axis of rotation that is made of attachment screw 61 catch 20.Catch 20 is under installment state, by the pretension semielliptic spring 44 on the sidewall 16 on sidewall 16 the location and be positioned at the resting position I forcibly, the resting position I is determined by means of the location of rinforcement bar section 32 on locating piece 55, in the resting position I, the position of the short-leg 24 of catch 20 is parallel to the front of door 14.In order to open door 14, catch 20 is turned round around the attachment screw 61 as axis of rotation, and is brought in its operating position II, and the operating position becomes signal by means of the location of spacing press section 33 on positioning section 56 on the locating piece 56.When catch was released, it rotated back in its resting position I automatically owing to the effect of pretension semielliptic spring 44.

Change the door keeper if necessary, pull down fitted bolt 61 so, and catch 20 is left behind along the direction that is parallel to sidewall 16, the lead segment of fixed part 50 breaks away from engagement with corresponding lead segment 27 like this.And then by pulling down hold-down screw 59, fixed part is pulled down on 16 from the side, and after door keeper is subsequently changed, be installed to again on the rotatable side of door 14, here in this case, not only fixed part 50 is similar to the convex shoulder 54 of reaping hook, and catch 50 tubular sections that is used to operate, all settles on refrigerator-freezer 10 is installed the direction of base plates.Under two people's installation situation of catch 20, the flexibility of its long lever arm 21 is by means of sickleshaped convex shoulder 54 and be similar to the rigidity interlock between the holding tank 30 of grooving and obviously reduced.

Self-evident, the structure of catch 20 and the fixing what is called that also can be used on door 14 sides 16 thereof " make up " (Side-by-Side-Kombination) side by side, wherein free, rotating reveal wall faces one another, concerning a kind of such refrigerating plant type, wherein the tubular segments of a door handle 20 is pointed to the installation bottom surface of refrigerating plant, and the tubular segments of its another door handle 20 is pointed to the cap of refrigerating plant.

Claims

1. refrigerating plant, have one and fan the door that is positioned on its insulated shell, being provided with a position on the door can rotate, be designed to the catch of double-arm lever, catch has a segment length's, lever arm as door open knob, and one section weak point, when operating grip, be supported on the lever arm on the shell, this refrigerating plant is characterised in that, on door (14), fix a demountable retaining element (50), it has one section lead segment (51) that (21) one sides are extended from axis of rotation towards the long lever arm at least, lead segment and one section corresponding lead segment (27) engagement that is arranged on this long lever arm (21), and at least almost in the gamut of the catch anglec of rotation, on the axis of rotation direction of catch, support catch rigidly.

2. refrigerating plant as claimed in claim 1, it is characterized in that, retaining element (50) has a convex shoulder (54) that is similar to reaping hook on its lead segment (51), convex shoulder is used for prolonging the lead segment (51) engaged with corresponding lead segment (27), and can be insinuated in the holding tank that is similar to grooving (30) that is arranged on the catch (20), cooperate with holding tank rigidity on the rotating shaft direction of catch (20).

3. refrigerating plant as claimed in claim 1 or 2, it is characterized in that, the corresponding lead segment (27) on long lever arm (21) on the catch, corresponding lead segment (27) also is set on short lever arm (27), corresponding lead segment is at least in the rotational angle range of catch (20), with another section lead segment (51) the rigidity interlock on the rotating shaft direction of catch (20) on the retaining element (50).

4. as the described refrigerating plant of one of claim 1 to 3, it is characterized in that the lead segment (51) on the retaining element (50) is designed to two-section guide plate near each other, aspectant.

5. as the described refrigerating plant of one of claim 1 to 4, it is characterized in that the free end of the guide plate on the retaining element (50) is spaced-apart.

6. as the described refrigerating plant of one of claim 1 to 5, it is characterized in that, make guide plate by the narrow edge section stairstepping ground sinking of flat plate.

7. as the described refrigerating plant of one of claim 1 to 6, it is characterized in that, be designed to the lead segment (51) on the retaining element (50) of being positioned at of guide plate, can be positioned at corresponding lead segment (27) interlock on the catch (20) with the flute profile holding tank, and effectively be rigidly connected towards the axis of rotation direction with one of its formation.

8. as the described refrigerating plant of one of claim 1 to 7, it is characterized in that retaining element (50) and catch (20) are fixedly mounted on removably and are positioned on the side (16) opposite with door (14) oriented side.

9. as the described refrigerating plant of claim 1 to 8, it is characterized in that retaining element (50) is arranged on the visible part of the side (16) opposite with door (14) oriented side with removably, and covered by catch (20).

10. as the described refrigerating plant of one of claim 1 to 9, it is characterized in that, catch (20) has a holddown groove (41), one section rhaeboscelia that catch (20) is forced to the semielliptic spring (44) on its resting position I is inserted in the holddown groove rigidly, the semielliptic spring element (50) that is fixed covers to greatest extent, and is supported on retaining element on the side of catch (20) short lever arm (22) by its another section rhaeboscelia that is positioned on the retaining element (50).

11., it is characterized in that catch (20) comprises and is designed to dihedral as the described refrigerating plant of one of claim 1 to 10; One section (23) that have the catch pivot point, the short lever arm and the local long lever arm (21) thereof of Men La (20) have been constituted by it, in this case, be used for fixing catch (20) angle steel (23) leg and be in another leg on catch (20) resting position, extend in the front that is arranged essentially parallel to door (11).

12. refrigerating plant as claimed in claim 11, it is characterized in that, the section (23) that is designed to dihedral has neither isometric leg, long leg wherein (25) is designed to cover retaining element (50), the holding tank (34) that has the corresponding lead segment (27) of retaining element (50), and short-leg (24) is basically parallel to the front extension of door (14) on the resting position I of catch (20), and has disposed handle.