A washing machine door lock

Abstract

The present invention relates to the field of washing machine door locks, and in particular to a washing machine door lock. A washing machine door lock comprises a door lock, an elastic member, a lower locking member, an upper locking member, a slider, a protective shell, a first micro switch, a second micro switch, a turntable and a driving device; the door lock comprises a door lock body and a front panel, the front panel is arranged at one end of the door lock and connected to the door lock body, the door lock body is provided with a first groove and at least two second grooves; the lower locking member is provided with a first parallel portion, and the upper end surface of the first parallel portion is provided with at least two upper protrusions that match the second grooves. The purpose of the present invention is to propose a washing machine door lock, which can realize automatic unlocking of the door lock at the beginning of drying, realize heat dissipation during the drying process, and at the same time improve the unlocking stability of the door lock, and solve the problem that the washing machine door lock is easy to loosen and has low safety.

Description

Technical Field

[0001] The invention relates to the field of washing machine door locks, and in particular to a washing machine door lock. Background Art

[0002] As a household appliance, washing machines are an indispensable part of daily life. Nowadays, with the improvement of people's living standards, people's functional requirements for household appliances have also increased, and major brands have also launched various multifunctional home appliances. At present, washing machines are no longer limited to washing functions, and they have all the functions of timing, disinfection, drying, etc. However, the door locks of existing washing machines with drying functions can usually only lock the door once. The door locks of washing machines cannot be automatically unlocked after the washing machine has washed the clothes, resulting in excessively high temperatures in the drum during the drying process. Electrical components are easily damaged at high temperatures, and users sometimes forget to take out the clothes to dry after washing, which causes the clothes to have odors. Even if the door lock can be automatically unlocked, there are problems such as unstable unlocking process and easy loosening of the door lock. Although heat dissipation can be achieved during the drying process, the door lock has low safety, which greatly affects the use effect of the washing machine. Summary of the invention

[0003] The purpose of the present invention is to provide a washing machine door lock, which can realize automatic unlocking of the door lock when drying starts, thereby achieving heat dissipation during the drying process, while improving the unlocking stability of the door lock, and solving the problem that the washing machine door lock is easy to loosen and has low safety.

[0004] To achieve this object, the present invention adopts the following technical solutions:

[0005] A washing machine door lock, comprising a door lock, an elastic member, a lower locking member, an upper locking member, a slider, a protective shell, a first micro switch, a second micro switch, a rotating disk and a driving device;

[0006] The door lock comprises a door lock body and a front panel, wherein the front panel is arranged at one end of the door lock and connected to the door lock body, and the door lock body is provided with a first groove and at least two second grooves;

[0007] The lower locking member is provided with a first parallel portion, the upper end surface of the first parallel portion is provided with at least two upper protrusions matched with the second grooves, the upper locking member is provided with a second parallel portion, the lower end surface of the second parallel portion is provided with a lower protrusion matched with the first groove, and the lower locking member and the upper locking member are installed in the slider;

[0008] The slider is slidably mounted on the protective shell, the slider is provided with a slider base, the slider base is provided with a trigger block, and the trigger block is arranged on the outer side wall of the slider base;

[0009] The first micro switch and the second micro switch are installed in the protective shell, the first micro switch is provided with a first contact block, the first contact block is arranged on a side facing the slider, and the second micro switch is provided with a second contact block, the second contact block is arranged on a side facing the slider;

[0010] The slider is also provided with a slider top cover, a state switch is provided on the lower end surface of the slider top cover, a boss is provided on the upper end surface of the second parallel portion of the upper locking member, the boss is located below the state switch, when the upper locking member is lifted up by the door lock, the boss presses and triggers the state switch, and the slider top cover and the second parallel portion of the upper locking member are connected through the elastic member;

[0011] The driving device drives the turntable to rotate, and the rotation of the turntable drives the slider to slide on the protective shell. When the slider slides, the trigger block of the slider base contacts the first contact block of the first micro switch or the second contact block of the second micro switch.

[0012] Preferably, the turntable is provided with an axial hole and a lever, the axial hole is provided on the upper end surface of the turntable, and the lever is provided on the lower end surface of the turntable;

[0013] The transmission shaft of the driving device is installed in the shaft hole, and the lever of the turntable and the transmission shaft of the driving device are not on the same axial plane;

[0014] The slider base is also provided with a turntable seat and a locking hole, wherein the locking hole is arranged at one end of the slider base, and the turntable seat is arranged at the other end of the slider base. The end of the turntable seat away from the locking hole is provided with a shifting groove arranged along the width direction of the slider, and the shifting rod of the turntable reciprocates in the shifting groove.

[0015] Preferably, the protective shell is provided with a base, the upper end surface of the base is provided with a slide groove, and the lower end surface of the slider base is provided with a slide bar matching the slide groove.

[0016] Preferably, the slider base is further provided with an avoidance hole, the avoidance hole is arranged below the first parallel portion of the lower locking member, and the width of the avoidance hole is greater than the width of the first parallel portion of the lower locking member, and the length of the avoidance hole is greater than the length of the first parallel portion of the lower locking member;

[0017] The slide groove of the base is provided with a space-avoiding groove which is recessed downward toward one end of the lock hole, the width of the space-avoiding groove is greater than the width of the first parallel portion of the lower locking member, and the length of the space-avoiding groove is greater than the length of the first parallel portion of the lower locking member.

[0018] Preferably, the lower locking member is further provided with a first inclined portion and a first rotating shaft, the first parallel portion, the first inclined portion and the first rotating shaft of the lower locking member are connected in sequence, and the first inclined portion forms an angle A with the first parallel portion.

[0019] Preferably, the upper locking member is further provided with a second inclined portion and a second rotating shaft, the second parallel portion, the second inclined portion and the second rotating shaft of the upper locking member are connected in sequence, and the second inclined portion forms an angle B with the second parallel portion.

[0020] Preferably, first supporting bosses are provided at both ends of the first rotating shaft, second supporting bosses are provided at both ends of the second rotating shaft, and the slider base is also provided with a first limiting hole and a second limiting hole. The first limiting hole and the second limiting hole of the slider base are respectively arranged on the side walls of the two ends of the slider base, the first supporting boss is fixedly installed in the first limiting hole, and the second supporting boss is fixedly installed in the second limiting hole.

[0021] Preferably, one end of the upper protrusion of the lower locking member away from the first rotating shaft is a first inclined surface, and one end of the lower protrusion of the upper locking member away from the second rotating shaft is a second inclined surface;

[0022] The inner end surfaces of the second groove and the first groove are inclined surfaces.

[0023] Preferably, the upper end surface of the second parallel portion of the upper locking member is provided with a first mounting groove, the lower end surface of the slider top cover is provided with a second mounting groove, one end of the elastic member is fixedly installed in the first mounting groove, and the other end of the elastic member is fixedly installed in the second mounting groove.

[0024] Preferably, a plurality of hooks are provided on both sides of the lower end surface of the slider top cover, and a plurality of slots are provided on the side walls at both ends of the slider base, and the plurality of hooks are respectively engaged in the plurality of slots.

[0025] Compared with the prior art, the present invention has the following beneficial effects:

[0026] The movement of the slider enables the door lock of the washing machine to open a certain distance during the drying process of the washing machine, thereby improving the unlocking stability of the door lock, avoiding the problems of automatic unlocking through the door lock alone, unstable unlocking process, and easy loosening of the door lock. The door lock of the washing machine is not easy to loosen without being manually pulled open, thereby ensuring the safety of the drying process, and a gap is still left after the drying is completed, thereby solving the problem of clothes producing odor due to the user forgetting to take out the clothes. In addition, the use of the status switch and the micro switch can complete the display of the closing, washing, drying, and opening states. The door lock has a simple structure, small size, and occupies little space. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 is a schematic structural diagram of a door lock according to one embodiment of the present invention;

[0028] Figure 2 is a structural schematic diagram (stereoscopic diagram) of an upper locking member of one embodiment of the present invention;

[0029] Figure 3 is a schematic structural diagram (side view) of an upper locking member of one embodiment of the present invention;

[0030] Figure 4 is a structural schematic diagram (stereoscopic diagram) of a lower locking member of one embodiment of the present invention;

[0031] Figure 5 is a structural schematic diagram (side view) of a lower locking member of one embodiment of the present invention;

[0032] Figure 6 is a schematic structural diagram of a base in one embodiment of the present invention;

[0033] Figure 7 is a schematic diagram of the three-dimensional structure of a slider in one embodiment of the present invention;

[0034] Figure 8 is a bottom view of a slider according to one embodiment of the present invention;

[0035] Fig. 9 It is a top view of one of the embodiments of the present invention (the motor and the protective shell are removed and the base is retained);

[0036] Fig.10 It is a schematic diagram of the structure of one embodiment of the present invention (overall);

[0037] Fig.11 It is a structural schematic diagram (cross-sectional view) of a locking process of one embodiment of the present invention;

[0038] Fig.12 It is a structural schematic diagram (cross-sectional view) of a drying process of one embodiment of the present invention;

[0039] Fig.13 It is a structural schematic diagram (cross-sectional view) of the unlocking process of one embodiment of the present invention.

[0040] Wherein: door lock 1, door lock body 11, second groove 111, inclined surface 1110, first groove 112, front panel 12, elastic member 2, lower locking member 3, first parallel portion 31, upper protrusion 311, first inclined surface 3110, first inclined portion 32, first rotating shaft 33, first supporting boss 331, upper locking member 4, second parallel portion 41, lower protrusion 411, second inclined surface 4110, first mounting groove 412, boss 413, second inclined portion 42, second rotating shaft 43, second supporting boss 431, slider 5, slider bottom Seat 51, slide bar 511, avoidance hole 512, first limit hole 513, second limit hole 514, card slot 515, turntable seat 516, shift slot 5160, lock hole 517, trigger block 518, slider top cover 52, status switch 521, hook 522, second mounting slot 523, protective shell 6, base 61, slide slot 611, avoidance slot 6110, first micro switch 7, first contact block 71, second micro switch 8, second contact block 81, turntable 9, shaft hole 91, shift rod 92, drive device 10, transmission shaft 101. DETAILED DESCRIPTION

[0041] The technical solution of the present invention is further described below with reference to the accompanying drawings and through specific implementation methods.

[0042] like Figure 1-13 As shown, Fig.11 , 12 , 13 show the reference direction.

[0043] A washing machine door lock comprises a door lock 1, an elastic member 2, a lower locking member 3, an upper locking member 4, a slider 5, a protective shell 6, a first micro switch 7, a second micro switch 8, a rotating disk 9 and a driving device 10;

[0044] The door lock 1 comprises a door lock body 11 and a front panel 12, wherein the front panel 12 is arranged at one end of the door lock 1 and connected to the door lock body 11, and the door lock body 11 is provided with a first groove 112 and at least two second grooves 111;

[0045] The lower locking member 3 is provided with a first parallel portion 31, the upper end surface of the first parallel portion 31 is provided with at least two upper protrusions 311 that match the second groove 111, the upper locking member 4 is provided with a second parallel portion 41, the lower end surface of the second parallel portion 41 is provided with a lower protrusion 411 that matches the first groove 112, and the lower locking member 4 and the upper locking member 3 are installed in the slider 5;

[0046] The slider 5 is slidably mounted on the protective shell 6. The slider 5 is provided with a slider base 51. The slider base 51 is provided with a trigger block 518. The trigger block 518 is arranged on the outer side wall of the slider base 51.

[0047] The first micro switch 7 and the second micro switch 8 are installed on the protective shell 6, the first micro switch 7 is provided with a first contact block 71, and the first contact block 71 is arranged on the side facing the slider 5, and the second micro switch 8 is provided with a second contact block 81, and the second contact block 81 is arranged on the side facing the slider 5;

[0048] The slider 5 is further provided with a slider top cover 52, and a status switch 521 is provided on the lower end surface of the slider top cover 52. A boss 413 is provided on the upper end surface of the second parallel portion 41 of the upper locking member 4, and the boss 413 is located below the status switch 521. When the upper locking member 4 is lifted up by the door lock 1, the boss 413 presses and triggers the status switch 521. The slider top cover 52 and the second parallel portion 41 of the upper locking member 4 are connected through the elastic member 2.

[0049] The driving device 10 drives the turntable 9 to rotate, and the rotation of the turntable 9 drives the slider 5 to slide on the protective shell 6. When the slider 5 slides, the trigger block 518 of the slider base 51 contacts the first contact block 71 of the first microswitch 7 or the second contact block 81 of the second microswitch 8.

[0050] It should be noted that the washing machine door lock of this embodiment is applied to a drum-type drying washing machine, and the front panel 12 of the door lock 1 is connected to the drum door of the washing machine.

[0051] Preferably, the driving device 10 is a motor, and the elastic member 2 is a spring.

[0052] Preferably, the door lock body 11 is provided with two second grooves 111 , and the upper end surface of the first parallel portion 31 is provided with two upper protrusions 311 matching with the second grooves 111 .

[0053] When starting to wash clothes, the user puts clothes into the drum of the washing machine and then closes the drum door. At this time, the door lock 1 lifts the upper locking member 4, the lower locking member 3 is pressed down by the door lock 1, the elastic member 2 is compressed, the boss 413 of the upper locking member 4 presses and triggers the state switch 521, and the trigger block 518 of the slider base 51 contacts the first contact block 71 of the first microswitch 7, displaying the "door closing" state until the door lock 1 is fully pushed in. At this time, the upper protrusions 311 of the two lower locking members 3 are respectively inserted into the two second grooves 111, and the lower protrusion 411 of the upper locking member 4 is inserted into the first groove 112, the elastic member 2 is restored, the state switch 521 is disconnected, the door lock is locked, and the locking process is completed. The drum door of the washing machine is closed and the "washing" state is displayed.

[0054] When the washing is completed, the drying process begins. At this time, the driving device 10 is energized, and the driving device 10 drives the turntable 9 to rotate. The rotation of the turntable 9 drives the slider 5 to slide forward on the protective shell 6. At this time, the trigger block 518 of the slider base 51 contacts the second contact block 81 of the second microswitch 8, and the driving device 10 stops and displays the "drying" state. Since the slider 5 slides forward on the protective shell 6, the door lock 1 also slides forward synchronously at this time, and the drum door of the washing machine opens a distance for heat dissipation during the drying process of the washing machine.

[0055] After drying is completed, under the pulling force of the user, the upper locking member 4 is lifted up, the lower locking member 3 is pressed down, the elastic member 2 is compressed, and the convex column 413 of the upper locking member 4 presses and triggers the state switch 521. At this time, the trigger block 518 of the slider base 51 contacts the second contact block 81 of the second micro switch 8, indicating the "door opening" state, until the upper protrusion 311 of the lower locking member 3 and the lower protrusion 411 of the upper locking member 4 are completely separated from the second groove 111 and the first groove 112. At this time, The door lock 1 is completely disengaged from the lower locking member 3 and the upper locking member 4, the drum door of the washing machine is opened, the elastic member 2 is restored, the state switch 521 is disconnected, and the unlocking process is completed. At this time, the driving device 10 is powered on and drives the turntable 9 to rotate. The rotation of the turntable 9 drives the slider 5 to slide backward on the protective shell 6. At this time, the trigger block 518 of the slider base 51 contacts the first contact block 71 of the first microswitch 7, the driving device 10 stops, and the washing machine door lock returns to the state before washing.

[0056] The movement of the slider enables the door lock of the washing machine to open a certain distance during the drying process of the washing machine, thereby improving the unlocking stability of the door lock, avoiding the problems of automatic unlocking through the door lock alone, unstable unlocking process, and easy loosening of the door lock. The door lock of the washing machine is not easy to loosen without being manually pulled open, thereby ensuring the safety of the drying process, and a gap is still left after the drying is completed, thereby solving the problem of clothes producing odor due to the user forgetting to take out the clothes. In addition, the use of the status switch and the micro switch can complete the display of the closing, washing, drying, and opening states. The door lock has a simple structure, small size, and occupies little space.

[0057] Preferably, the rotating disk 9 is provided with an axial hole 91 and a lever 92, wherein the axial hole 91 is provided on the upper end surface of the rotating disk 9, and the lever 92 is provided on the lower end surface of the rotating disk 9;

[0058] The transmission shaft 101 of the driving device 10 is installed in the shaft hole 91, and the lever 92 of the turntable 9 is not on the same axial plane as the transmission shaft 101 of the driving device 10;

[0059] The slider base 51 is also provided with a turntable seat 516 and a locking hole 517. The locking hole 517 is arranged at one end of the slider base 51, and the turntable seat 516 is arranged at the other end of the slider base 51. The end of the turntable seat 516 away from the locking hole 517 is provided with a shifting groove 5160 arranged along the width direction of the slider 5, and the shifting rod 92 of the turntable 9 reciprocates in the shifting groove 5160.

[0060] Through the forward and reverse driving of the driving device 10, the lever 92 reciprocates in the lever groove 5160, which can drive the slider 5 to move forward or backward on the protective shell 6. When the slider 5 slides forward, the door lock 1 is still fastened in the slider 5. Since the washing machine is still in the working process at this time and the temperature is high during drying, the stability of drying unlocking and the safety of using the washing machine can be improved.

[0061] Preferably, the protective shell 6 is provided with a base 61 , the upper end surface of the base 61 is provided with a slide groove 611 , and the lower end surface of the slider base 51 is provided with a slide bar 511 matched with the slide groove 611 .

[0062] By setting the slide groove 611 on the base 61 of the protective shell 6, and setting a slide bar 511 matching the slide groove 611 on the lower end surface of the slider base 51, the slider can slide forward or backward on the protective shell 6, so as to facilitate the washing machine door lock to realize the drying and door opening functions.

[0063] Preferably, the slider base 51 is further provided with an avoidance hole 512, the avoidance hole 512 is provided below the first parallel portion 31 of the lower locking member 3, and the width of the avoidance hole 512 is greater than the width of the first parallel portion 31 of the lower locking member 3, and the length of the avoidance hole 512 is greater than the length of the first parallel portion 31 of the lower locking member 3;

[0064] The slide groove 611 of the base 61 is provided with a space avoidance groove 6110 which is recessed downward toward one end of the lock hole 517, the width of the space avoidance groove 6110 is greater than the width of the first parallel portion 31 of the lower locking member 3, and the length of the space avoidance groove 6110 is greater than the length of the first parallel portion 31 of the lower locking member 3.

[0065] The avoidance hole 512 is provided on the slider base 51. When the drum door of the washing machine is closed, the slider 5 is in the protective shell 6, the door lock 1 lifts up the upper locking member 4, and the lower locking member 3 is pressed down by the door lock 1. At this time, the first parallel portion 31 of the lower locking member 3 can have enough downward pressing space in the avoidance hole 512. If the avoidance hole 512 is not provided, in order to allow the lower locking member 3 to have enough downward pressing space to ensure the completion of the door closing process, the height of the slider 5 and the protective shell 6 should be set larger, and the space occupied is also larger; after the drying is completed, the slider 5 is in the state of being pushed forward. In the state, the avoidance groove 6110 is set in the slide groove 611. Under the pulling force of the user, the upper locking member 4 is lifted up by the door lock 1, and the lower locking member 3 is pressed down by the door lock 1. At this time, the first parallel portion 31 of the lower locking member 3 can have enough downward pressing space in the avoidance hole 512 and the avoidance groove 6110, which is convenient for unlocking and saves space for the washing machine door lock. If the avoidance groove 6110 is not set, in order to allow the lower locking member 3 to have enough downward pressing space to ensure unlocking, the height of the slider 5 and the protective shell 6 should be set larger, and the space occupied by the washing machine door lock is also larger.

[0066] Preferably, the lower locking member 3 is further provided with a first inclined portion 32 and a first rotating shaft 33, the first parallel portion 31, the first inclined portion 32 and the first rotating shaft 33 of the lower locking member 3 are connected in sequence, and the first inclined portion 32 forms an angle A with the first parallel portion 31.

[0067] The lower locking member 3 can be rotated up and down by rotating the first rotating shaft 33 of the lower locking member 3 to complete the locking and releasing of the door lock 1. The angle A ensures that the upper protrusion 311 of the lower locking member 3 is in a vertical state when locking the door lock 1. At this time, the lower locking member 3 can tightly lock the door lock 1 to prevent the door from being opened by mistake, thereby improving the safety of the washing machine door lock.

[0068] Preferably, the upper locking member 4 is further provided with a second inclined portion 42 and a second rotating shaft 43, the second parallel portion 41, the second inclined portion 42 and the second rotating shaft 43 of the upper locking member 4 are sequentially connected, and the second inclined portion 42 forms an angle B with the second parallel portion 41.

[0069] The upper locking member 4 can rotate up and down by rotating the second rotating shaft 43 of the upper locking member 4 to complete the locking and releasing of the door lock 1. The angle B ensures that the lower protrusion 411 is in a vertical state when locking the door lock 1. At this time, the upper locking member 4 can tightly lock the door lock 1 to prevent the door from being opened by mistake, thereby improving the safety of the washing machine door lock.

[0070] Preferably, first supporting bosses 331 are provided at both ends of the first rotating shaft 33, second supporting bosses 431 are provided at both ends of the second rotating shaft 43, and the slider base 51 is also provided with a first limiting hole 513 and a second limiting hole 514. The first limiting hole 513 and the second limiting hole 514 of the slider base 51 are respectively provided on the side walls of the two ends of the slider base 51, the first supporting boss 331 is fixedly installed in the first limiting hole 513, and the second supporting boss 431 is fixedly installed in the second limiting hole 514.

[0071] The lower locking member 3 and the upper locking member 4 are respectively fixedly installed in the slider 5 through the first supporting boss 331 and the second supporting boss 431, which effectively improves the stability of the lower locking member 3 and the upper locking member 4 during operation, making the door lock 1 not easy to disengage.

[0072] Preferably, one end of the upper protrusion 311 of the lower locking member 3 away from the first rotating shaft 33 is a first inclined surface 3110, and one end of the lower protrusion 411 of the upper locking member 4 away from the second rotating shaft 43 is a second inclined surface 4110;

[0073] The inner end surfaces of the second groove 111 and the first groove 112 are inclined surfaces 1110 .

[0074] By setting the inner end surfaces of the second groove 111 and the first groove 112 as the inclined surface 1110, the inclined surface 1110 of the second groove 111 cooperates with the first inclined surface 3110 of the upper protrusion 311, and the inclined surface 1110 of the first groove 112 cooperates with the second inclined surface 4110 of the lower protrusion 411, so that the upper protrusion 311 and the lower protrusion 411 are more likely to enter the second groove 111 and the first groove 112 of the door lock body 11, and under the action of the user's pulling force, the upper protrusion 311 and the lower protrusion 411 are more likely to be separated from the second groove 111 and the first groove 112, thereby facilitating the closing and opening of the door.

[0075] Preferably, the upper end surface of the second parallel portion 41 of the upper locking member 4 is provided with a first mounting groove 412, and the lower end surface of the slider top cover 52 is provided with a second mounting groove 523, one end of the elastic member 2 is fixedly installed in the first mounting groove 412, and the other end of the elastic member 2 is fixedly installed in the second mounting groove 523.

[0076] The elastic member 2 is fixed in the first mounting groove 412 of the second parallel portion 41 of the upper locking member 4 and the second mounting groove 523 of the slider top cover 52. The elastic member 2 will not swing left and right when being lifted up by the door lock 1 or restored to its original state, thereby effectively improving the stability of the elastic member 2.

[0077] Preferably, a plurality of hooks 522 are provided on both sides of the lower end surface of the slider top cover 52 , and a plurality of slots 515 are provided on the side walls at both ends of the slider base 51 , and the plurality of hooks 522 are respectively engaged in the plurality of slots 515 .

[0078] By providing the hook 522 on the slider top cover 52 and the slot 515 on the slider base 51 , it is possible to facilitate installation and removal of the slider top cover 52 on the slider base 51 , and to facilitate maintenance of the washing machine door lock.

[0079] The technical principle of the present invention is described above in conjunction with specific embodiments. These descriptions are only for explaining the principle of the present invention and cannot be interpreted as limiting the scope of protection of the present invention in any way. Based on the explanations herein, those skilled in the art can associate other specific implementations of the present invention without paying creative labor, and these methods will fall within the scope of protection of the present invention.

Claims

1. A washing machine door lock, characterized in that: It includes a door lock, an elastic member, a lower locking member, an upper locking member, a sliding block, a protective shell, a first micro switch, a second micro switch, a rotating disk and a driving device; The door lock comprises a door lock body and a front panel, wherein the front panel is arranged at one end of the door lock and connected to the door lock body, and the door lock body is provided with a first groove and at least two second grooves; The lower locking member is provided with a first parallel portion, the upper end surface of the first parallel portion is provided with at least two upper protrusions matched with the second grooves, the upper locking member is provided with a second parallel portion, the lower end surface of the second parallel portion is provided with a lower protrusion matched with the first groove, and the lower locking member and the upper locking member are installed in the slider; The slider is slidably mounted on the protective shell, the slider is provided with a slider base, the slider base is provided with a trigger block, and the trigger block is arranged on the outer side wall of the slider base; The first micro switch and the second micro switch are installed in the protective shell, the first micro switch is provided with a first contact block, the first contact block is arranged on a side facing the slider, and the second micro switch is provided with a second contact block, the second contact block is arranged on a side facing the slider; The slider is also provided with a slider top cover, a state switch is provided on the lower end surface of the slider top cover, a boss is provided on the upper end surface of the second parallel portion of the upper locking member, the boss is located below the state switch, when the upper locking member is lifted up by the door lock, the boss presses and triggers the state switch, and the slider top cover and the second parallel portion of the upper locking member are connected through the elastic member; The driving device drives the turntable to rotate, and the rotation of the turntable drives the slider to slide on the protective shell. When the slider slides, the trigger block of the slider base contacts the first contact block of the first micro switch or the second contact block of the second micro switch.

2. A washing machine door lock according to claim 1, characterized in that: The rotating disk is provided with an axial hole and a shifting rod, wherein the axial hole is arranged on the upper end surface of the rotating disk, and the shifting rod is arranged on the lower end surface of the rotating disk; The transmission shaft of the driving device is installed in the shaft hole, and the lever of the turntable and the transmission shaft of the driving device are not on the same axial plane; The slider base is also provided with a turntable seat and a locking hole, wherein the locking hole is arranged at one end of the slider base, and the turntable seat is arranged at the other end of the slider base. The end of the turntable seat away from the locking hole is provided with a shifting groove arranged along the width direction of the slider, and the shifting rod of the turntable reciprocates in the shifting groove.

3. A washing machine door lock according to claim 2, characterized in that: The protective shell is provided with a base, the upper end surface of the base is provided with a slide groove, and the lower end surface of the slider base is provided with a slide bar matched with the slide groove.

4. A washing machine door lock according to claim 3, characterized in that: The slider base is further provided with an avoidance hole, which is arranged below the first parallel portion of the lower locking member, and the width of the avoidance hole is greater than the width of the first parallel portion of the lower locking member, and the length of the avoidance hole is greater than the length of the first parallel portion of the lower locking member; The slide groove of the base is provided with a space-avoiding groove which is recessed downward toward one end of the lock hole, the width of the space-avoiding groove is greater than the width of the first parallel portion of the lower locking member, and the length of the space-avoiding groove is greater than the length of the first parallel portion of the lower locking member.

5. A washing machine door lock according to claim 1, characterized in that: The lower locking member is further provided with a first inclined portion and a first rotating shaft. The first parallel portion, the first inclined portion and the first rotating shaft of the lower locking member are connected in sequence, and the first inclined portion forms an angle A with the first parallel portion.

6. A washing machine door lock according to claim 5, characterized in that: The upper locking member is further provided with a second inclined portion and a second rotating shaft. The second parallel portion, the second inclined portion and the second rotating shaft of the upper locking member are sequentially connected, and an angle B is formed between the second inclined portion and the second parallel portion.

7. A washing machine door lock according to claim 6, characterized in that: First supporting bosses are provided at both ends of the first rotating shaft, second supporting bosses are provided at both ends of the second rotating shaft, and the slider base is also provided with a first limiting hole and a second limiting hole. The first limiting hole and the second limiting hole of the slider base are respectively arranged on the side walls at both ends of the slider base, the first supporting boss is fixedly installed in the first limiting hole, and the second supporting boss is fixedly installed in the second limiting hole.

8. A washing machine door lock according to claim 7, characterized in that: One end of the upper protrusion of the lower locking member away from the first rotating shaft is a first inclined surface, and one end of the lower protrusion of the upper locking member away from the second rotating shaft is a second inclined surface; The inner end surfaces of the second groove and the first groove are inclined surfaces.

9. A washing machine door lock according to claim 1, characterized in that: The upper end surface of the second parallel portion of the upper locking member is provided with a first mounting groove, the lower end surface of the slider top cover is provided with a second mounting groove, one end of the elastic member is fixedly installed in the first mounting groove, and the other end of the elastic member is fixedly installed in the second mounting groove.

10. A washing machine door lock according to claim 1, characterized in that: A plurality of hooks are arranged on both sides of the lower end surface of the slider top cover, and a plurality of slots are arranged on the side walls at both ends of the slider base, and the plurality of hooks are respectively engaged in the plurality of slots.

Images