Classifications

• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
  • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
  • H01R24/76—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure with sockets, clips or analogous contacts and secured to apparatus or structure, e.g. to a wall
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
  • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
  • H01R13/46—Bases; Cases
  • H01R13/502—Bases; Cases composed of different pieces
  • H01R13/506—Bases; Cases composed of different pieces assembled by snap action of the parts
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
  • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
  • H01R13/46—Bases; Cases
  • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
  • H01R13/5219—Sealing means between coupling parts, e.g. interfacial seal
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
  • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
  • H01R13/73—Means for mounting coupling parts to apparatus or structures, e.g. to a wall
  • H01R13/74—Means for mounting coupling parts in openings of a panel
  • H01R13/741—Means for mounting coupling parts in openings of a panel using snap fastening means
  • H01R13/743—Means for mounting coupling parts in openings of a panel using snap fastening means integral with the housing

Definitions

• the invention relates to a household appliance with a power connector socket for plugging a power cord with a plug suitable for the socket and a power cord with a plug for plugging the power cord into a plug to the appropriate power connector socket of a household appliance.
• a network connection socket with the features of claim 1 is provided in a household appliance.
• the household appliance with a power connector for plugging in a power cord with a connector suitable for the mains socket connector provided that the power connector socket is provided with a sealing element which produces a moisture protection between the power connector and the associated connector.
• This protection against splash and or splash water is given while maintaining the flexible adaptation to national connection conditions by replacing the power cord.
• the household appliance can be used with power supply lines without splash guard, which may already existing or the same power supply lines can be used, which are also for equipment without special splash protection requirements in use.
• the sealing element is designed as a separate component. The sealing element can be produced in this way inexpensively in another material, preferably a soft elastomer.
• the power supply socket on a base support and a support frame, and the sealing element is fixed between the base support and holding frame.
• the sealing element can thus be easily and securely fixed to the base body without special fasteners would be necessary on the sealing element, which is usually made of a softer material than the base support.
• the holding frame is locked to the base support. Since both components, the base support and the support frame do not fulfill a sealing function and thus can be made of a harder material than the sealing element, the locking between these two components provides a reliable connection and thus secure fixation of the sealing element
• the sealing element is molded onto the mains connection socket.
• the sealing element can be easily attached to the power connector socket, in particular fixed in this way. It is not necessary to handle a separate component.
• the power connector socket on a base support which is formed together with the sealing element as a two-component injection part. For a particularly simple production of the power connector is possible.
• the power connector socket is mounted in an opening of a housing wall of the household appliance, the power connector socket has a flange, with which it bears against the outside of the housing wall, and the power connector socket has at least one latching hook, with which they the housing wall engages behind the housing.
• the power connector socket can be reliably fixed in the housing of the household appliance and is secured against train and compressive forces transmitted by an inserted device plug.
• a plug with the features of claim 8 is provided in a power supply line.
• a power cord with a connector for plugging in the power cord in a power connector suitable for mains connection socket of a household appliance that the device plug is provided with a sealing element, which produces a moisture protection between the device connector and the associated power connector socket.
• This protection against splash and or splash water is given while maintaining the flexible adaptation to national connection conditions by replacing the power cord without the home appliance modifications would be required.
• the sealing element is designed as a separate component.
• the sealing element can be inexpensively made in this way from another material, preferably a soft elastomer.
• the sealing element is molded onto the appliance plug. The sealing element can be easily attached to the device connector in this way, in particular fixed. It is not necessary to handle a separate component.
• the device connector on a handle body which is formed together with the sealing element as a two-component injection part.
• the sealing element is formed on the appliance plug as a flange, which covers the gap between the appliance plug and socket in the inserted state.
• the power line can be designed very flexible. Such a connection line provides a reliable spray and / or splash water protection for a large number of different versions of the power connector socket of the household appliance.
• Fig. 1. is a view of a household appliance and a power supply line according to a first embodiment of the invention
• FIG. 2 is an enlarged view of the detail marked "II" in FIG. 1;
• FIG. 3 shows a view of the detail from FIG. 2 without mains connection line
• FIG. 4 shows a first perspective view of the mains connection socket from FIG. 2;
• FIG. 5 shows a plan view of the mains connection socket from FIG. 2;
• FIG. 6 is a sectional view of the mains connection socket along the plane Vl-Vl in Figure 5;
• FIG. 7 shows a second perspective view of the mains connection socket from FIG. 2;
• FIG. 8 is a sectional view of the mains connection socket along the plane IX-IX in FIG. 5;
• FIG. 10 shows a perspective view of a mains connection socket according to a variant of the embodiment from FIG. 2;
• Fig. 1 1. a sectional view of the power connector of Figure 10 taken along the plane IX-IX in Figure 5;
• FIG. 13 shows a first view of a mains connection socket of a household appliance according to a second embodiment of the invention
• FIG. 14 shows a second view of the mains connection socket from FIG. 13;
• FIG. 15 A view of the base support of the power connector socket of FIG. 13; 16 shows a view of the sealing element of the mains connection socket from FIG. 13;
• FIG. 17 shows a perspective view of a mains connection socket of a household appliance according to a third embodiment of the invention.
• Fig. 18 is a plan view of the power connector of Fig. 17;
• Fig. 19. is a sectional view of the power connector along the plane IXX-IXX in Fig.18;
• Fig. 20 is a perspective view of the components of the power connector of Fig. 17;
• Fig. 21 a view of a power line according to a first embodiment of the invention.
• Fig. 22 is a view of the device plug of the power supply line of Figure 21;
• FIG. 23 shows a first view of a device plug of a power supply line according to a second embodiment of the invention.
• FIG. 24 shows a second view of the device plug of the power supply line from FIG. 21;
• FIG. FIG. 25 shows a third view of the device plug of the power supply line from FIG. 21;
• FIG. 24 shows a second view of the device plug of the power supply line from FIG. 21;
• FIG. 25 shows a third view of the device plug of the power supply line from FIG. 21;
• FIG. 25 shows a third view of the device plug of the power supply line from FIG. 21;
• 26 shows a first view of a section of a household appliance according to a fourth embodiment of the invention.
• FIG. 27 shows a second view of the detail from FIG. 26;
• Fig. 28 is a view of a component of the power connector of Fig. 26
• Fig. 29 is a first view of components of the power connector of Fig. 26;
• Fig. 30 is a second view of components of the power connector of Fig.26.
• FIG. 1 shows a domestic appliance 10 according to the invention with a mains connection socket 12 and a non-inventive mains connection line 70 with a device plug 72.
• the household appliance 10 is exemplified as a washing machine, wherein the specific functional elements of the device will not be further referred to hereinafter, since they are of no significance to the invention.
• the washing machine has a housing 14 with a rear wall 16. On the rear wall 16, a fresh water hose 18 for supplying tap water and a waste water hose 20 for discharging dirty water are attached. On the rear wall 16, the power connector socket 12 is also attached.
• the power supply line 70 is provided at one end with the device connector 72, which is plugged into the power connector socket 12 in the figure of FIG.
• another end of the mains connection line 70 may be connected to a domestic installation for a power supply network, for example via a mains plug 74 or a junction box.
• FIG. 1 shows an enlargement of the section marked "II" in FIG. 1, which shows a region of the rear wall 16, which is shown here in a cutaway view
• FIG. 3 a view of the same detail shows the mains connection socket 12 in more detail, without the inserted device plug 72.
• the power connector 12 is shown in Figures 4 to 9 alone, not mounted in the rear wall 16, shown in more detail details.
• the power supply socket 12 has a receiving portion 22 which rests in the installed state on an outer side 24 of the rear wall 16, and a base portion 26 which projects through an opening in the rear wall 16 in the interior of the housing 14.
• a contact shaft 28 is formed of rectangular cross section, which defines a longitudinal axis A of the power connector socket 12.
• three metal contacts 30, which extend from the shaft bottom 28a to the shaft opening 28b, project into the contact shaft 28. An electrical connection is established via the metal contacts 30 when a device plug 72 is plugged into the mains connection socket 12.
• the power jack 12 has a base support 40, and a sealing member 50.
• the base support 40 forms on the one hand the base portion 26 with the contact shaft 28 and the metal contacts 30.
• a flat flange 42 is formed on the base support 40 whose facing the contact shaft 28 underside rests in the installed state on the outside 24 of the rear wall 16. The flange 42 adjoins the contact shaft 28 in the region of the shaft opening 28b and extends transversely to the longitudinal axis A beyond the cross section of the base section 26.
• a support collar 44 On the side facing away from the base portion 26 top of the flange 42 extends parallel to the longitudinal axis A, perpendicular to the flange standing, a support collar 44 having an inner side 47 and an outer side 46.
• the support collar 44 surrounds the shaft opening of the contact shaft 28, but is both with his Outside 46 of the outer edge of the flange, as well as with its inner side 47 from the inside of the contact shaft 28 spaced.
• the sealing element 50 encloses the support collar 44 and advantageously consists of an elastomer that is softer than the material of the base body 40.
• the elastomer has a Shore hardness of less than 70 A, preferably 60 A.
• the sealing element has an outer enveloping wall 56, which rests against the outer side 46 of the support collar 44, and an inner enveloping wall 54, which rests against the inner side 47 of the support collar 44.
• the inner envelope wall 54 forms the opening of the receiving shaft 31, as can be seen from the sectional view through the mains connection socket 12 in FIG.
• the sealing member 50 and the flange 42 of the base support 40 with the support collar 44 together form the receiving portion 22 of the power connector socket 12th
• a sealing lip 57 is formed, which can tightly enclose an inserted appliance connector 52 and thus ensures good splash protection between the mains connection socket 12 and the appliance plug 52.
• the sealing lip may be formed as a circumferential bulge, as shown in Fig. 4, or alternatively also in the form of a double bulge, as shown in FIG. Also multiple bulges are possible.
• passage openings 45 are formed in the support collar 44, through which the material of the sealing element 50 flow during the injection process and thus can form webs 55, which connect the inner envelope wall 54 and the outer envelope wall 56 with each other. These webs 55 can be seen for example in the sectional view in Figure 8 along the plane "VIII-VIN" of Figure 5.
• the sealing element 50 is particularly stably connected to the base body 40.
• the injection process of the sealing element 50 is simplified
• the sealing element can be injected directly onto the base support, preferably both components can be produced together in a 2K injection process.
• the sealing member 50 may alternatively be formed so that it also covers the support collar 44 on the front, so also the visible in Figures 4 to 6 edge of the support collar 44, which faces away from the base portion, partially or completely covered.
• an elastic locking spring 32 is formed in the two narrow sides of the contact shaft 28. This can be seen particularly clearly in the second perspective view according to FIG. 7 and in FIG.
• the locking spring 32 has at its free end, on the inner side facing the contact shaft 28, a latching lug 34, which is clearly visible in Figure 9 in an enlarged view of the section labeled "IX" in Figure 8.
• the latching lug 34 can advantageously be in engage a recess on a device connector 72 and secure it against pulling out.
• an elastic mounting spring 36 is further formed in each case.
• the mounting spring 36 is provided at its free end to the direction away from the contact shaft 28 outside with a locking lug 38 which engages behind the rear wall 16 of the housing 14 in the mounted state, as indicated in Figure 8.
• the power connector socket 12 is locked in the rear wall 16 and can in particular absorb tensile forces when pulling out the device connector 72.
• a variant of the above-described embodiment can be seen in Figures 10 to 12.
• the locking spring 32 is slightly longer than in the variant described above.
• a locking lug 34' is formed as in the above variant, which is intended to engage in a recess on a device connector 72.
• a locking lug 38 is formed, which engages behind the rear wall 16 of the housing 14 in the mounted state of the power connector socket 12, as indicated in Figure 1 1.
• the power connector socket 1 12 of a household appliance according to a second embodiment of the invention is seen separately, in the unmounted state.
• elements already known from the first embodiment are provided with reference numerals increased by 100.
• the base body 140 shown alone in FIG. 15 without the sealing member 150 corresponds to the base body 40 of the first embodiment.
• the passage openings 145 can be seen in the support collar 144.
• the sealing element 150 which is shown separately in Figure 16 for clarity, has, in contrast to the sealing element 50 of the first embodiment, a narrower shell walls 154, 156.
• the inner envelope wall 154 and the outer envelope wall 156 which are interconnected by webs 155 cover in this embodiment only a portion of the inner side 147 and the outer side 146 of the support collar 144.
• the inner envelope wall 154 is at least as wide that they a provides secure seal between the inside 147 of the support collar 144 and an inserted plug.
• FIGS. 17 to 20 the mains connection socket 212 of a household appliance according to a third embodiment of the invention is shown separately, in the unassembled state.
• elements known from the already described embodiments are provided with reference numerals increased by 200.
• the power jack 212 has a base support 240, a sealing member 250 and a support frame 260.
• 244 locking hooks 248 are formed on the outer side 246 of the support collar, which serve to secure the support frame 260.
• the sealing element 250 is formed by a profile ring of a flexible plastic, preferably an elastomer having hardness properties, as described in connection with the first embodiment.
• the cross section of the profile is best seen in the sectional view of FIG.
• a shell with a U-shaped cross-section which follows substantially the shape of the support collar 244 is supported.
• the shell has an inner shell wall 254 and an outer shell wall 256.
• the inner wall 254 is in the mounted state on the inside 247 of the support collar 244 and forms the opening of the receiving shaft 231.
• On the inner wall 254 two sealing lips 257 are formed, which can tightly enclose an inserted connector and thus for a good splash protection between the Mains connection socket 212 and the device plug provide.
• the outer envelope wall 256 is in the mounted state on the outside 246 of the support collar 244.
• recesses 258 are provided, through which the latching hooks 248 of the support collar 244 can reach through.
• the holding frame 260 has a peripheral wall 262, whose outer contour corresponds to the outer edge of the flange 242 of the base support 240. Adjoining the peripheral wall 262 is a curved roof 264, in which an insertion opening 266 is provided. On the inside of the peripheral wall 262 recesses 268 are provided for the latching hooks 248 of the support collar 244.
• the support frame 260, the sealing member 250 and the flange 242 of the base support 240 with the support collar 244 together form the receiving portion 222 of the power connector 212.
• the holding frame 260 wrapped in assembled power connector socket 212 substantially the outer envelope wall 256 of the sealing element 250 wherein the insertion opening 266 leaves free access to the receiving shaft 233 and the contact slot 228.
• the latching hooks 248 grip through the recesses 258 in the sealing element 250 in the recesses 268 of the support frame 260. As a result, the support frame 260 is securely locked to the base support.
• a prong 233 is further formed in each case, which can engage behind the housing wall 216 or optionally an additional, not shown in the drawings, locking element on the inside 225 of the rear wall 216.
• the power connector socket 212 is locked in the rear wall 216 and in particular can absorb tensile forces when pulling out the device plug 272.
• the devices already described in connection with the other embodiments, e.g. the above-described locking springs 32 or the mounting springs 36, are combined.
• FIG. 26 shows a detail of a view of a household appliance 310 according to a third embodiment of the invention.
• elements known from the already described embodiments are provided with reference numerals increased by 300.
• FIG. 27 shows a view of the mains connection socket 312 in the same detail as FIG. 26, but viewed from the interior of the housing on the inside 325 of the rear wall 316 of the device.
• the mains connection socket 312 is mounted here by way of example on a circuit board 318, which is merely indicated in the drawing.
• the base support 340 of the power socket 312 in this embodiment has a wide flange 342 supporting a support collar 344.
• latching hooks 348 are formed, which extend parallel to the support collar 344.
• a seal member 350 is shown mounted on the base support in FIG.
• the sealing element 350 has a base flange 352 and a subsequent enveloping wall 356 with a U-shaped cross section.
• the envelope wall 356 envelops the support collar 244 and seals the receiving well 328 when a plug 372 as shown in the Mains connector 312 is inserted.
• the latching hooks 348 protrude through recesses 358 in the base flange 352 of the sealing element 350.
• the holding frame 360 in this embodiment consists essentially of an annular plastic element whose outer contour corresponds to the outer edge of the flange 342 of the base support 340.
• the holding frame 360 encloses the outer contour of the enveloping wall 356 of the sealing element 350.
• the holding frame has an underside, with which it bears against the flange foot 352 of the sealing element 350.
• recesses 268 are provided, in which the latching hooks 248 of the support collar 244 engage.
• FIG. 21 shows a power supply line 170 according to a first embodiment of the invention, with a cable 171, a mains plug 174 and a device plug 172, which is shown separately and in more detail in FIG. 22 in a further view.
• the device plug 172 has a handle body 176 and a contact carrier 178. On the handle body 176, a strain relief 182 is formed, in which the cable of the power supply line 170 opens.
• the contact carrier 178 is formed by a substantially rectangular parallelepiped having three contact openings 180 in this embodiment, each housing a contact spring.
• the cross-section of the contact carrier is chosen so that it fits into the contact slot of an associated power connector socket and can make the contact springs via the corresponding metal contacts connection.
• FIGS. 23 to 25 show various views of a device plug 272 of a power supply line 270 according to a second embodiment of the invention.
• the contact carrier 278 in this embodiment has three contact openings 280, each of which accommodates a contact spring.
• the handle body 276 is provided with a sealing member 284.
• the sealing element 284 is designed as a flange which extends substantially transversely to the insertion direction of the device plug 272.
• the flange is advantageously so far from the block formed by the contact carrier 278 to the outside, that he can safely cover the gap between the receiving shaft of the power connector and the handle body 276 and protect against splashing.
• the sealing element 284 extends beyond the receiving portion of the associated power connector out to the housing wall of the household appliance, so that the connector as a whole, so the gap between the power connector and the housing are additionally protected from spray.
• the sealing element 284 may advantageously be injection-molded onto the grip body 276, preferably by means of a 2k spraying process.
• the device plug has a sealing element can be dispensed with the household appliance to a power outlet socket with sealing element, since the power cord already provides adequate protection.
• a power cord can also be readily used with a household appliance according to the invention.
• the invention provides for household appliances that can come into contact with moisture, ie in water-bearing household appliances and / or household appliances that are to be operated in wet rooms, such. Dishwashers, washing machines, dryers, etc. a plug connection for supplying mains voltage with a good protection against splashing water.

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• Connector Housings Or Holding Contact Members (AREA)

Priority Applications (3)

Applications Claiming Priority (2)

Publications (1)

Family

ID=54361092

Family Applications (1)

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Cited By (3)

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Citations (6)

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• 2014
  • 2014-11-05 DE DE102014222553.1A patent/DE102014222553A1/de not_active Withdrawn
• 2015
  • 2015-10-30 PL PL15787219T patent/PL3216094T3/pl unknown
  • 2015-10-30 CN CN201580060088.9A patent/CN107078431B/zh active Active
  • 2015-10-30 EP EP15787219.3A patent/EP3216094B1/de active Active
  • 2015-10-30 WO PCT/EP2015/075215 patent/WO2016071218A1/de active Application Filing

Patent Citations (6)

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