Classifications

• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
  • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
  • F25D23/00—General constructional features
  • F25D23/006—General constructional features for mounting refrigerating machinery components
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
  • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
  • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
  • F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
  • F04B39/121—Casings
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
  • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
  • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
  • F04B39/14—Provisions for readily assembling or disassembling

Definitions

• Refrigerating appliance with a fastening device for a compressor and method for mounting a compressor
• the invention relates to a refrigeration appliance, in particular domestic refrigeration appliance, comprising a compressor with at least one holder, a body with a compressor carrier having at least a first and a second fastening means on which the at least one holder is mounted and secured by securing means.
• the invention also relates to a related method for assembling and disassembling a compressor.
• DE 199 56 995 A1 describes a refrigeration device with a housing having at least one heat-insulating housing, which on its opposite rear side of the door has a machine room for receiving a compressor in which a distance above the compressor based on a Garab- section held Collection container is arranged for condensate, the bottom of which is acted upon by the waste heat of the compressor.
• the insulated against heat housing has on its rear side at a ground-level section a niche-like engine room. This is used to hold a refrigerant compressor with a housing, which is formed from an upper housing part and a lower housing part, wherein on the lower housing part supporting elements are set with elastic supports, based on which the refrigerant compressor is secured vibration on a compressor support rail.
• a refrigeration device in particular domestic refrigeration appliance, comprising a compressor with at least one holder, a body with a compressor carrier having at least a first and a second fastening means on which the at least one holder is mounted and secured by securing means , wherein a single securing means for positive connection is formed with both the at least one first and the at least one second fastening device.
• a refrigeration appliance is understood in particular to be a household refrigeration appliance, that is to say a refrigeration appliance used for household purposes or possibly even in the gastronomy sector, and in particular for storing food and / or beverages in household quantities at specific temperatures, such as, for example, a refrigerator, a freezer , a fridge-freezer, a freezer or a wine fridge.
• the assembly of compressors and compressor carrier thus formed is built into the refrigeration device housing and the pipe connections of the refrigeration cycle produced during a series production.
• the compressor support rail with compressor can not be so easily removed from the refrigerator housing.
• the fasteners must be solved.
• fastening devices which are designed as mounting projections, it may be necessary to bend bent compressor mounting straps again, for example, during assembly.
• the compressor is usually arranged in a back niche at the bottom of the refrigerator housing.
• a holder of the compressor is mounted on the at least one first fastening device and the at least one second fastening device and fastened by means of individual securing means assigned to each fastening device.
• the hitherto separate rear and front securing means are connected so that a single securing means is provided for the positive connection with both the at least one first fastening device and the at least one second fastening device.
• the manufacturing costs can be reduced due to the smaller number of parts.
• the assembly in particular the manufacturing assembly in the manufacture of the refrigerator can be simplified or shortened in time, since several, in particular two fasteners with an assembly step. can be mounted simultaneously with a single securing means.
• disassembly of the compressor from the compressor carrier is facilitated since, for example, a service technician only has to release the front portion of the single securing means on the front attachment means and then release the single securing means completely from both the front attachment means and the rear attachment means without having to get close to the rear fastening device.
• the individual securing means can be produced from the mounting rail, in particular from a punched-out part of a compressor carrier.
• the first and second fastening devices can be designed as fastening projections.
• the fastening projections can be formed by strip-like bent portions of a compressor support plate.
• the attachment projections penetrate openings in the holder or holders connected to the compressor.
• the compressor can thus by plugging the holder on the mounting projections on the compacting be stored carrier. Between the fastening projections and the openings of the holder elastic damping elements can be used.
• the securing means may be a tab having a first cut-out which is penetrated by the first fastening projection and has a second cut-out which is penetrated by the second fastening projection.
• the securing means may be formed, for example, as a flat sheet metal part.
• the securing means can in particular be produced as a stamped part from a compactor carrying sheet. To this extent, the securing means replaces at least two of the known separate securing washers.
• the second cutout may have a contour adapted to the cross-sectional contour of the second fastening projection which, in a fastening position of the tab, is aligned with the cross-sectional contour of the second fastening projection.
• the second cutout can correspond to the cross section of the second fastening projection or can be slightly larger, so that the securing means can easily be slipped onto the second fastening projection with little play.
• the first cutout can have a first contour section, which completely encloses the cross-sectional contour of the first fastening projection in a mounting position for attaching the securing means to the first fastening projection.
• the first contour section can engage behind the cross-sectional contour of the first attachment projection.
• This can be achieved in that the securing means is moved from its mounting position into the fastening position and thereby a part of the first contour section of the first cutout of the securing means passes positively behind a recess or a bend of the first fastening projection.
• the positive engagement behind the securing means is locked to the first fastening projection and can not be removed vertically upwards.
• the first cutout can also have a second contour section, which engages in the attachment position, the cross-sectional contour of the first attachment projection.
• the first section may have a second contour section.
• the first contour section can transition into the second contour section.
• the second contour section is smaller than the cross-sectional contour of the first attachment projection.
• the second contour section is slightly larger than the reduced cross-section of the fastening projection on its undercut.
• the second contour portion may correspond to the reduced cross section of the fastening projection.
• the reduced cross-section of the fastening projection can be formed by the general cross-section of the fastening projection and the cross-sectional contour of the first fastening projection, behind which the locking means positively locks, can be formed by a bent-over head portion of the fastening projection.
• the second cutout can be formed by a slot, in particular an open-edged slot in the tab.
• the slot may be in the region of the first i. rear attachment projection by a kind of
• the first section can have in the various variants of the invention a first contour section, which is formed by a circular or rectangular, in particular square opening and / or has a second contour section, which is formed by a slot, in particular open-edged slot in the tab.
• the first and / or second fastening projection can be formed in the various variants of the invention by a bent-over web of the compressor carrier.
• the first and / or second attachment projection can be formed by a mandrel or threaded pin fastened to the compressor carrier.
• the first and / or second fastening projection may have a laterally projecting nose, in particular from a web of the fastening projection bent nose for positive connection with the securing means, which engages behind the securing means in the fastening position.
• the first and / or second fastening projection for positive connection with the securing means at least a recess, in particular two opposite laterally edge-open recesses, in which engages the securing means in the fastening position.
• a method according to the invention for mounting a compressor to a compressor carrier of a body of a refrigerating appliance, in particular household refrigerating appliance may comprise the following steps:
• the compressor is first attached by means of the holder on the first and second mounting projection. Subsequently, two separate attachment disks are respectively attached to the first and second attachment projections and then the upper ends of the attachment projections are bent or bent, for example by means of pliers, so that the attachment disks can no longer be removed, are held in a form-fitting manner on the attachment projections and the compressor thus attached to the compressor carrier.
• the securing means designed as a tab can be completely mounted or dismounted even if the first fastening projections have already been bent over.
• a slot in the region of the rear fastening strap can be designed in the manner of a keyhole geometry.
• the second attachment projection is located in a front region of the niche for the compressor, the second attachment projection for tools, such as a bending pliers, is easily accessible. The hard to access, however, because in a deep rear portion of the niche for the compressor arranged first fastening projection can remain in its bent locking state and thus need not be reached by the tool.
• FIGS. 1 to 4c Exemplary embodiments of the invention are described with reference to FIGS. 1 to 4c. From the detailed description of these specific embodiments, there are also other general features and advantages of the present invention.
• FIG. 1 is a perspective view of a household refrigerator with a back niche and a compressor arranged therein;
• Figure 2 is a partial perspective view of the household refrigerator of Figure 1 from behind with the niche and the compressor arranged therein ..; 3 shows an enlarged perspective partial view according to FIG. 2 with a compressor carrier and a holder for fastening the compressor to the compressor carrier;
• FIG. 4a-c three perspective views of a securing means according to the invention a) in an approach position, b) in an assembly position and c) in a fastening position;
• Fig. 5a-d four exemplary variants of recesses on the inventive
• FIG. 1 refrigeration device 1 has a body 2 with an inner container 3.
• the inner container 3 is divided into a freezer compartment 4 arranged at the top and a cooling compartment 5 arranged at the bottom.
• the freezer compartment 4 is generally used for freezing frozen food at about minus 18 degrees Celsius.
• the freezer compartment 4 is associated with a first evaporator 6, which is arranged behind a freezer compartment rear wall 7.
• the freezer compartment 4 is accessible when the freezer compartment door 9 is open. To open, the freezer compartment door 9 has a first handle 10.
• the cooling space 5 is generally used for frost-free cooling of refrigerated goods, preferably at temperatures between plus 4 and plus 8 degrees Celsius. However, the cooling space 5 can also be designed as a zero-degree compartment, in particular for keeping fruit or vegetables fresh.
• the refrigerator 5 has a rear wall 1 1, behind which the first evaporator 6 is arranged for the freezer compartment 4.
• a second evaporator 12 serves to cool the cooling space 5.
• the cooling space 5 is accessible when the refrigerator door 14 is open. To open the refrigerator door 14 has a second handle 15.
• a single evaporator, or the first evaporator 6 and the second evaporator 12, or any number of evaporators may be connected to a compressor 8.
• the compressor 8 is inserted from the back, ie behind the rear wall 1 1 of the refrigeration device 1 in a machine room 13 of the housing 16.
• the attachment of the compressor 8 in the engine room 13 or in the housing 16 of the refrigeration device. 1 takes place by means of a fastening arrangement 17, as shown in a partial view of a portion of the housing 16 in Fig. 2.
• a compressor support 18 between two side walls 19 a, 19 b of the body 2 is fixed.
• the compressor support 18 may be made as a truss stamped from sheet metal and formed.
• the compressor carrier 18 has first fastening devices 21 and second fastening devices 22.
• the first fastening means 21 as first fastening projections 21 a and the second fastening means 22 are formed as a second Befest Trentsvor- projections 22 a.
• the first and second fastening projections 21 a, 22 a rise vertically out of the plane of the compressor support 18.
• a portion of the compressor support 18 is shown enlarged exposed.
• a holder 23 is attached to the compressor support 18 for fastening the compressor 8.
• the holder 23 has a first opening 24a and a second opening 24b. Through the first opening 24a protrudes the first fastening projection 21 a and through the second opening 24b protrudes the second fastening projection 22a.
• a securing means 25 is placed on the holder 23 .
• the securing means 25 is formed in the illustrated embodiment as a tab 25a, in particular as an arcuate tab 25a. However, the tab 25a may alternatively be straight, for example, we are straight in Figures 4a to 4c and 5a to 5c.
• the compressor carrier 18 has the first and second fastening means 21, 22, on which the at least one holder 23 is mounted and secured by the securing means 25 or the tab 25a.
• the tab 25a has a first cutout 26, which is penetrated by the first fastening projection 21a and a second cutout 27, which is penetrated by the second fastening projection 22a.
• the second cutout 27 has a contour adapted to the cross-sectional contour of the second attachment projection 22a, which is aligned in a mounting position shown in Fig. 4c of the tab 25a with the cross-sectional contour of the second attachment projection 22a.
• the first cutout 26 has a first contour section 26a, which in an assembly position according to FIG. 4b for attaching the securing means 25 to the first fastening projection 21a, the cross-sectional contour of the first fastening projection 21a. constantly included.
• the first contour portion 26a engages in the attachment position shown in FIG. 4c, the cross-sectional contour of the first attachment projection 21 a to form a positive locking.
• the first cutout 26 has a second contour section 26b which, in the fastening position according to FIG. 4c, engages behind the cross-sectional contour of the first fastening projection 21a.
• the second cutout 27 is formed by a slot in the tab.
• the first cutout 26 has a first contour section 26 a, which is formed by a square or diamond-shaped opening.
• the first and second fastening projection 21 a, 22 a are formed by bent webs from the compressor support 18, which has after a bending up of the fastening projections 21 a, 22 a from the plane of the one on the compressor support 18 openings 28.
• the fastening devices 21, 22 may also be formed, for example, by separately fastened spikes or threaded pins.
• the first and / or second fastening projection 21 a, 22 a has a laterally projecting nose 29 for the positive connection with the securing means 25.
• the nose 29 may in particular be bent out of a web of the fastening projection 21 a, 22 a, the securing means 25 in the fastening position according to FIG. 4 c, which engages behind the nose 29.
• the securing means 25 which can form a fastening disk, is pushed downwards from the position shown in FIG. 4b and, as shown in FIG. 4c, pushed forwards, ie to the left according to the view in FIG. 4c.
• the pushing is in the region of the rear fastening tab that is the first mounting projection 21 a no longer the wide slot geometry of the first contour portion 26a but the reduced cross-section of the second contour portion 26b on the mounting projection 21a.
• the larger in the opening width first contour portion 26 a is greater than the widened or bent upper end of the fastening projection 21 a.
• the securing means 25 can be deducted from the fastening projection 21a upwards.
• the cross-sectionally reduced second contour section 26b engages behind the widened or bent upper end of the first fastening projection 21a in a form-fitting manner and thus can no longer be engaged by the first fastening element.
• tion projection 21 a are deducted upward.
• the compressor 8 is thereby fixed to the compressor carrier 18.
• the easily accessible front fastening straps i. detach the front second cutouts 27 from the second attachment projections 22a and bend the upper ends of the second front attachment projections 22a, respectively.
• the rear first mounting projections 21 a need not be bent, because by the connection of the securing means 25 on each side and the introduction of the keyhole geometry of the first contour portion 26 a and second contour portion 26 b unlocking the attachment of the holder 23 of the mounting projections 21 a. 22a from the front, i.e. Input side of the engine room 13 is possible.
• the customer service also dismantle the compressor 8 comfortably.
• the disassembly of the compressor 8 takes place in reverse order.
• Figures 5a to 5d show four exemplary variants of recesses, i. first cutouts 26 on the securing means 25 according to the invention.

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• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Chemical & Material Sciences (AREA)
• Combustion & Propulsion (AREA)
• Physics & Mathematics (AREA)
• Thermal Sciences (AREA)
• Compressor (AREA)

Priority Applications (4)

Applications Claiming Priority (2)

Publications (2)

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ID=44317045

Family Applications (1)

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Citations (1)

Family Cites Families (13)

• 2010
  • 2010-02-17 DE DE102010002045A patent/DE102010002045A1/de not_active Withdrawn
• 2011
  • 2011-02-01 PL PL11702961T patent/PL2536984T3/pl unknown
  • 2011-02-01 WO PCT/EP2011/051346 patent/WO2011101232A2/de active Application Filing
  • 2011-02-01 CN CN201180010105.XA patent/CN102947656B/zh active Active
  • 2011-02-01 ES ES11702961.1T patent/ES2537179T3/es active Active
  • 2011-02-01 EP EP20110702961 patent/EP2536984B1/de active Active

Patent Citations (1)

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