CN1824879B - Device for locking laundry machine port - Google Patents
Device for locking laundry machine port Download PDFInfo
- Publication number
- CN1824879B CN1824879B CN200610051427XA CN200610051427A CN1824879B CN 1824879 B CN1824879 B CN 1824879B CN 200610051427X A CN200610051427X A CN 200610051427XA CN 200610051427 A CN200610051427 A CN 200610051427A CN 1824879 B CN1824879 B CN 1824879B
- Authority
- CN
- China
- Prior art keywords
- por
- terminal
- locking
- contact
- cutter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 230000007246 mechanism Effects 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 230000001143 conditioned effect Effects 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 230000005662 electromechanics Effects 0.000 claims description 2
- 238000005406 washing Methods 0.000 abstract description 8
- 239000002184 metal Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
- E05B47/0009—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with thermo-electric actuators, e.g. heated bimetals
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/42—Safety arrangements, e.g. for stopping rotation of the receptacle upon opening of the casing door
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Thermally Actuated Switches (AREA)
- Washing And Drying Of Tableware (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
- Control Of Washing Machine And Dryer (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
- Paper (AREA)
- Detergent Compositions (AREA)
- Water Treatment By Sorption (AREA)
- Push-Button Switches (AREA)
- Fuses (AREA)
Abstract
A device for locking the porthole door of a washing machine and similar appliances is provided with an opening (5) for the passage of a hook mounted on the porthole door. The device comprises a slider (7) cooperating with the end of the door hook and an electromechanical delaying device (20) electrically connected to the operating controls of the washing machine and adapted to block said slider (7) through a slider stopper. The contact terminal for applying a voltage to a thermistor of the delaying device (20) is formed by two metal strips (28, 29) the ends of which project from the housing of said delaying device (20), with the blades positioned one in front of the other in correspondence of a conductive member (11) fastened to said slider (7) and adapted to close the circuit when the porthole door is closed.
Description
Technical field
The present invention relates to the electronic component of housed device, concrete is the safe locking device of the por of a kind of locking laundry machine and similar devices.
Background technology
The open front washing machine has one to be laterally hinged with in the por of washing machine front panel, and is provided with a closing hook in the antipodal position of hinged por, and closing hook is connected with a locking device on being mounted in the washing machine front panel equally.
Except make por can open with quick-make, locking device comprises a kind of usually device of " door lock assembly " by name, to realize the quick lock in and the release of por.
The effect of door lock assembly is to block closed por when washing machine is activated, and the cylinder of unlatching until inside that delays por when operation cycle is terminated stops the inertia rotation.In addition, this door lock assembly can prevent that washing machine from starting when por is opened.
The known devices that realizes above-mentioned functions has electromechanical assembly that electronic installation is also arranged.
Well-known more specifically device, device of its locking side of a ship window catch comprises a slide bolt in order to the hook that connects closed por, this slide bolt and a locking plug interact, locking plug is that the cutter when the movable contactor in microswitch is in when pre-conditioned and driven, and microswitch is connected on the phase line that transmits the machine electric current.By the distortion by the suitable one or more bimetal strips that heat of thermal resistor, the movable contactor of microswitch is driven, and thermal resistor is electrically connected with control system of machine.
In case to the machine power supply, the operation of this device makes locking plug enter such position rapidly behind closed por, to block the slide bolt that is connected with side of a ship window catch, so just can prevent the unlatching of por, is reset until locking plug.The reseting movement of the locking plug that blocks occurs in after the time-delay that sets about current interruptions, and this time-delay is by the characteristic decision of cool time and thermal resistor-bimetal strip assembly.
If to the machine energising, the position of slide bolt suppresses the displacement of the locking plug of obstruction under the situation that por is opened, and the closure that therefore suppresses the machine startup circuit.
Therefore said apparatus has mechanically prevented to start the machine under the situation that por is opened, but shortcoming is to power till por is closed to thermal resistor always.Such device is disclosed among the FR2811006A.
And, do not use the microswitch of opening/close state of an extra show gate, just can't detect the possible unlatching situation of por.
Summary of the invention
The purpose of this invention is to provide a kind of device that has overcome the por that is used for locking laundry machine and similar devices of limitation of the prior art and shortcoming, more particularly this device not only prevents to start the machine under the situation that por is opened from machinery, has also forbidden the closure of this device circuit simultaneously.
And the present invention can detect por open/close state, and by the above-mentioned information of utilization, such as, can start an optical signal indication under the more multi-link situation need not to increase.
According to the present invention, above-mentioned purpose is to realize by a kind of device of locking laundry machine por, described device comprises a housing, have in the housing one with the sliding part that is fixed on the hook tip engages on the machine por, and dynamo-electric time-delay mechanism, this electromechanics time-delay mechanism can block described sliding part by a locking plug under the situation of pre-conditioned appearance, described dynamo-electric time-delay mechanism comprises: the thermal resistor that is electrically connected with the washer operation control system applies voltage by the first terminal and second terminal to described thermal resistor when opening described por; Contact cutter fast, when heating by described thermal resistor, described quick contact cutter is used for that described the first terminal is connected to the 3rd terminal and applies voltage with the moving member to described machine, and starts described locking plug; Wherein: between described thermal resistor and described the first terminal, be provided with switch module, described switch module comprises two steel edges, the end of described two steel edges protrudes from the housing of time-delay mechanism, and corresponding to the conductive component that is anchored on described sliding part and placed before another by one, when described por is closed, connecting described steel edge, and when opening, described por interrupts the connection of described steel edge and the described thermal resistor of stopping using.The present invention also has other advantageous characteristic.
Description of drawings
With reference to the open the present invention of accompanying drawing, accompanying drawing illustrate of the present invention one preferred, but the embodiment of indefiniteness.
Fig. 1 is the axonometric exploded view that has shown according to locking device of the present invention;
Fig. 2 shows that the locking device among Fig. 1 is in the front view of enable possition at porthole;
Fig. 3 is the sectional view along the I-I line of Fig. 2;
Fig. 4 is the front view that shows that the locking device among Fig. 1 is in the close position at porthole;
Fig. 5 is the sectional view along the II-II line of Fig. 4;
Fig. 6 has shown two different axonometric exploded views of the locking device among Fig. 1;
The specific embodiment
With reference to Fig. 1-Fig. 5, the main body 1 that comprises an elongation according to device of the present invention, be preferably thermoplastic material, it comprises parts 2 that are anchored on the washing machine front panel, this component configuration closing lid 4 and be applicable to the parts 3 of laying a dynamo-electric time-delay mechanism 20.
In secure component 2, be provided with opening 5 to admit the hook 6 of porthole.
Sliding part 7 is installed in the main body 1, and can move against spring assembly 8.Sliding part disposes the opening 9 of the end that connects porthole hook 6, and the window 13 that is formed at the relevant position of fitting machine electric delay device 20.Configuration bearing 10 is to admit the locking plug 21 that is started by dynamo-electric time-delay mechanism 20.
Contact spring 11 is installed on the cross member 12 that is anchored on sliding part 7.
With reference to Fig. 6, device 20 is equipped with three electric terminals that protrude outwards in the bearing, thereby formed a cover quick connection terminal, i.e. 26, one NA contact terminals 27 of terminal and a contact terminal that applies voltage to P.T.C.23 that is connected with quick contact cutter 22.
The conductive component that applies voltage to P.T.C.23 is made by two steel edges 28,29, the end of these two cuttves is outstanding from the shell of the locking device 20 of door, one of them cutter places before another cutter, and cutter is comprised in the window 13 formed spaces in the sliding part 7.Cutter 29 stretches into the form of quick connection contact and is (see figure 6) in the bearing of its setting, is connected with adjusting flat head screw 30 and another of cutter 28 is terminal, and bar 25 is shelved on (this connection does not illustrate in the drawings) on the flat head screw.
As follows according to device operation of the present invention.
Fig. 2 and Fig. 3 have shown when por is opened, the mutual alignment of the parts of constituent apparatus.More specifically, aimed at opening 5 in the axial direction by the opening 9 of the sliding part 7 of spring 8 effect controls.Accordingly, contact spring 11 that is to say that about steel edge 28 and 29 and be shown in an open position even the machine energising, P.T.C.23 can not switch on yet.
According to Fig. 4 and shown in Figure 5, in case close por, hook 6 just is inserted into 9 li of openings, and promotes sliding part 7 forward.And then contact spring 11 is pulled to the closing position about steel edge 28 and 29.
The closure of circuit makes P.T.C.23 switch on, and then starts the mechanism of lock slide 7.
More accurate, current cycle is by steel edge 28, flat head screw 30, bimetal strip 25 and 24, and give the power supply of P.T.C. resistor, the P.T.C. resistor almost just is heated thereupon at once and sends heat to bar 24, thereby causes bar 24 crooked and contact cutter 22 adhesives downwards subsequently fast.Like this, the circuit of terminal 26 and terminal 27 is closed, so voltage is applied to the moving member (mover) of machine.Simultaneously, locking plug 21 passes the bearing 10 of sliding part 7, like this as long as keep above-mentioned condition, then the latter can be blocked in the relevant position of locking porthole hook 6.
By reading the ohmic value by terminal blades-formed circuit of termination contact formula P.T.C. (bimetallic), what allow the detection machine por opens/closes state.
Therefore this device is under the situation that does not increase the use side quantum count, realized being used to indicating the function of the microswitch of opening/close state of por.
In addition, the such configuration of this device allows in the process of closed and disconnected circuit, and spring 11 is about flexible (creeping) of steel edge 28,29.Issuable oxide breaks on contact because above-mentioned motion can make, and therefore the self-cleaning effect is arranged, thereby has guaranteed the long-term stability operation of this device.
Introduced the present invention with reference to preferred embodiment, but understood that as those skilled in the art generally speaking the present invention allows other application and change, and these application and change drop within the scope of the invention.
Claims (6)
1. the device of the por of a locking laundry machine, comprise a housing (1), have in the housing one with the sliding part (7) that is fixed on hook (6) tip engages on the machine por, an and dynamo-electric time-delay mechanism (20), this electromechanics time-delay mechanism (20) can block described sliding part (7) by a locking plug (21) under the situation of pre-conditioned appearance, described dynamo-electric time-delay mechanism (20) comprising:
The thermal resistor (23) that is electrically connected with the washer operation control system applies voltage by the first terminal (26) and second terminal (29) to described thermal resistor (23) when opening described por,
Contact cutter (22) fast, by described thermal resistor (23) heating the time, described quick contact cutter (22) is used for that described the first terminal (26) is connected to the 3rd terminal (27) and applies voltage with the moving member to described machine, and starts described locking plug (21);
It is characterized in that:
Between described thermal resistor (23) and described the first terminal (26), be provided with switch module, described switch module comprises two steel edges (28,29), the end of described two steel edges protrudes from the housing of time-delay mechanism (20), and corresponding to a conductive component (11) that is anchored on described sliding part (7) and placed before another by one, when described por is closed, to connect described steel edge (28,29), and when described por is opened, interrupt the connection of described steel edge and the described thermal resistor (23) of stopping using.
2. locking device as claimed in claim 1 is characterized in that: described conductive component (11) is formed into a spring type contactor, and it is installed on the cross member (12) that is anchored on described sliding part (7).
3. locking device as claimed in claim 1 is characterized in that: put in a bearing outside described contact terminal or cutter (29) the form slave electric delay device (20) with quick connection contact.
4. locking device as claimed in claim 2 is characterized in that: put in a bearing outside described contact terminal or cutter (29) the form slave electric delay device (20) with quick connection contact.
5. each described locking device in the claim as described above, it is characterized in that: described dynamo-electric time-delay mechanism (20) comprises a contact cutter (22) fast, it starts locking plug (21), and contact cutter (22) fast and worked by bimetal element control, bimetal element comprises two bars (24 and 25) by described thermal resistor (23) heating
6. locking device as claimed in claim 5 is characterized in that: described (28) link to each other with an adjusting flat head screw (30) that is connected in described bimetal strip (25).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ITMI2005A000297 | 2005-02-25 | ||
| IT000297A ITMI20050297A1 (en) | 2005-02-25 | 2005-02-25 | BLOCCOPORTA FOR WASHING MACHINES |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1824879A CN1824879A (en) | 2006-08-30 |
| CN1824879B true CN1824879B (en) | 2010-09-29 |
Family
ID=36935700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200610051427XA Expired - Fee Related CN1824879B (en) | 2005-02-25 | 2006-02-24 | Device for locking laundry machine port |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP1726750B1 (en) |
| CN (1) | CN1824879B (en) |
| AT (1) | ATE405718T1 (en) |
| DE (1) | DE602006002310D1 (en) |
| ES (1) | ES2313468T3 (en) |
| IT (1) | ITMI20050297A1 (en) |
| PL (1) | PL1726750T3 (en) |
| SI (1) | SI1726750T1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITTO20070501A1 (en) * | 2007-07-10 | 2009-01-11 | Indesit Co Spa | DEVICE AND METHOD TO BLOCK AND UNLOCK THE DOOR OF A HOUSEHOLD APPLIANCE |
| CN101666028B (en) * | 2008-09-02 | 2012-11-14 | 罗尔德电工技术有限责任公司 | Locking device for closing cap of washing machine |
| IT1402217B1 (en) * | 2010-10-05 | 2013-08-28 | Bitron Spa | CONTROL CIRCUIT FOR AN ELECTRICALLY OPERATED ACTUATOR, IN PARTICULAR AN SOLENOID ACTUATOR |
| US9957657B2 (en) | 2015-01-30 | 2018-05-01 | Emz-Hanauer Gmbh & Co. Kgaa | Appliance lock |
| CN107227586B (en) * | 2016-03-25 | 2023-11-24 | 伊利诺斯工具制品有限公司 | Electric appliance door lock, electromagnetic door lock assembly and electric appliance |
| DE102017202678B3 (en) * | 2017-02-20 | 2018-02-08 | BSH Hausgeräte GmbH | Laundry care device with an electromechanical component |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2811006A1 (en) * | 2000-06-30 | 2002-01-04 | Bitron Spa | DOOR LOCKING DEVICE, PARTICULARLY FOR A HOUSEHOLD APPLIANCE |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2810667C2 (en) * | 1978-03-11 | 1982-07-29 | Ellenberger & Poensgen Gmbh, 8503 Altdorf | Door locking device for electrical appliances |
| IT1183794B (en) * | 1985-04-03 | 1987-10-22 | Omp Off Meccano Plast | LOCKING DEVICE FOR THE DOOR OF A WASHING MACHINE, IN PARTICULAR OF A WASHING MACHINE |
| JP2000014980A (en) * | 1998-07-03 | 2000-01-18 | Hitachi Ltd | Electric washing machine |
| US6363755B1 (en) * | 1999-12-07 | 2002-04-02 | Ark-Les Corporation | Timed release washing machine lid lock |
-
2005
- 2005-02-25 IT IT000297A patent/ITMI20050297A1/en unknown
-
2006
- 2006-02-20 PL PL06003357T patent/PL1726750T3/en unknown
- 2006-02-20 AT AT06003357T patent/ATE405718T1/en not_active IP Right Cessation
- 2006-02-20 DE DE602006002310T patent/DE602006002310D1/en active Active
- 2006-02-20 ES ES06003357T patent/ES2313468T3/en active Active
- 2006-02-20 SI SI200630091T patent/SI1726750T1/en unknown
- 2006-02-20 EP EP06003357A patent/EP1726750B1/en active Active
- 2006-02-24 CN CN200610051427XA patent/CN1824879B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2811006A1 (en) * | 2000-06-30 | 2002-01-04 | Bitron Spa | DOOR LOCKING DEVICE, PARTICULARLY FOR A HOUSEHOLD APPLIANCE |
Also Published As
| Publication number | Publication date |
|---|---|
| SI1726750T1 (en) | 2009-02-28 |
| PL1726750T3 (en) | 2009-01-30 |
| ES2313468T3 (en) | 2009-03-01 |
| ATE405718T1 (en) | 2008-09-15 |
| EP1726750A1 (en) | 2006-11-29 |
| ITMI20050297A1 (en) | 2006-08-26 |
| CN1824879A (en) | 2006-08-30 |
| DE602006002310D1 (en) | 2008-10-02 |
| EP1726750B1 (en) | 2008-08-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100929 |