Water box device and household appliance

Abstract

The utility model discloses a water box device and a household appliance. The water box device comprises a shell, a water tank and a driving mechanism. The shell is used for being embedded in the household appliance. And the water tank is movably sleeved in the shell. The driving mechanism comprises a motor, an eccentric wheel and a push rod. An output shaft of the motor is in transmission connection with the eccentric wheel. And one end of the push rod is contacted with the water tank and the other end is contacted with the eccentric wheel. The motor can push the water tank to slide relative to the shell sequentially through the eccentric wheel and the push rod, so that at least one part of the water tank is separated from the shell. Thus, when the water tank is movably sleeved with the shell, the motor can push the water tank to slide relative to the shell sequentially through the eccentric wheel and the push rod, at least one part of the water tank is separated from the shell, and compared with cooperation of the motor, a gear and a rack, the structure is simple, implementation is easy, and the production cost is low.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical appliances, in particular to a water box device and a household appliance. Background Art

[0002] In the related art, household appliances such as steamers and all-in-one steamers and ovens are provided with a water box device, which is used to store water. Its function, for example, is to provide steam for the steam generator of the household appliance to generate steam (different household appliances can be used for different functions).

[0003] The water box device comprises a housing and a water tank for storing water, wherein the housing is installed inside the household appliance, and the water tank is movably installed inside the housing. When adding water to the water box device or cleaning the water tank, it is necessary to separate at least a part of the water tank from the housing to facilitate adding water or cleaning.

[0004] In order to separate the water tank from the housing, the water tank can be manually pulled out, pressed to pop out, or electrically pushed out. Among them, the manual pulling method requires a handle to be provided on the side of the water tank away from the housing. For household appliances, the exposed handle will destroy the integrity of the appearance. The press-to-pop method is prone to jamming and other faults.

[0005] The electric push-out method is that the motor drives the meshing gears and racks to push the sink out through the rack. The motor needs to be controlled for forward rotation (to push the rack out) and reverse rotation (to push the rack out), which places high demands on the control circuit and the motor, resulting in high costs. In addition, meshing gears and racks are required as transmission components, which further leads to high overall costs. Utility Model Content

[0006] In view of this, the utility model aims to solve the problem that the electric push-out method makes the water tank and the housing separate at a high cost. To this end, the purpose of the utility model is to provide a water box device and a household appliance.

[0007] The present application provides a water box device for household appliances. The water box device includes a shell, a water tank and a driving mechanism. The shell is used to be embedded in the household appliance. The water tank is movably mounted in the shell. The driving mechanism includes a motor, an eccentric wheel and a push rod. The output shaft of the motor is connected to the eccentric wheel in a transmission manner. One end of the push rod is used to contact the water tank, and the other end is used to contact the eccentric wheel. The motor can push the water tank to slide relative to the shell through the eccentric wheel and the push rod in turn, so that at least a part of the water tank is separated from the shell.

[0008] In certain embodiments, the motor, the eccentric wheel and the push rod are arranged on the same side of the housing, and one end of the push rod extends into the housing for contacting the water tank.

[0009] In some embodiments, the water box device includes a mounting frame connected to the outside of the shell, the mounting frame is provided with a guide hole, the shell is provided with a through hole at a position corresponding to the guide hole, the push rod is inserted into the guide hole and the through hole, and the push rod can slide in the guide hole and the through hole under the drive of the eccentric wheel.

[0010] In some embodiments, the mounting frame includes a first limit member and a second limit member arranged at intervals along the length direction of the push rod, the first limit member is closer to the shell than the second limit member, the first limit member and the second limit member are both formed with the guide hole, the push rod includes a rod body and a protrusion, the rod body is passed through the guide hole and the through hole, the protrusion is arranged between the first limit member and the second limit member, and the protrusion can abut against the first limit member or the second limit member when the rod body slides to limit the sliding stroke of the rod body.

[0011] In some embodiments, the water box device also includes an elastic member, which is sleeved on the rod body and located between the first limiting member and the protrusion. When the protrusion is closer to the first limiting member relative to the second limiting member, the elastic member applies an elastic force to the protrusion to push the push rod to reset.

[0012] In some embodiments, the water box device further includes a bracket, the bracket is connected to the housing, the motor is disposed on the bracket, and the output shaft of the motor passes through the bracket and is connected to the eccentric wheel.

[0013] In some embodiments, the water box device also includes a micro switch, which is arranged on the bracket, the eccentric wheel is located between the micro switch and the push rod, the eccentric wheel includes a wheel body and a trigger protrusion arranged on the wheel body, the output shaft of the motor is transmission connected to the wheel body, the wheel body is in contact with the push rod, the contact of the micro switch is located on the active path of the trigger protrusion, and the motor stops working when the trigger protrusion conflicts with the contact of the micro switch.

[0014] In some embodiments, the contacts of the microswitch can be elastically at least partially retracted into the microswitch, the output shaft of the motor rotates in the same direction, and the touch protrusion can push the contacts of the microswitch to at least partially retract into the microswitch, so that the touch protrusion can pass over the contacts of the microswitch and separate from the contacts of the microswitch.

[0015] In some embodiments, the bracket includes a body and two mounting plates connected to the body, the body is connected to the housing, the motor is mounted on the body, and the micro switch is mounted on the two mounting plates.

[0016] The present application also provides a household appliance, which includes the water box device described in any of the above embodiments.

[0017] When the water tank of the water box device and the household appliance of the embodiment of the present application is movably mounted in the housing, the motor can push the water tank to slide relative to the housing through the eccentric wheel and the push rod in sequence, so that at least a part of the water tank is separated from the housing. Compared with the cooperation of the motor and the gear and rack, the structure is simpler, easier to implement, and the production cost is lower. Moreover, the motor with gears and racks needs to rotate forward and reverse, while the motor with the eccentric wheel can use a low-cost unidirectional motor, which can further reduce the production cost.

[0018] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the following description of the embodiments in conjunction with the accompanying drawings, in which:

[0020] Figure 1 It is one of the structural schematic diagrams of the water box device of the embodiment of the present application;

[0021] Figure 2 yes Figure 1 A partial enlarged schematic diagram of a water box device;

[0022] Figure 3 This is the second structural schematic diagram of the water box device according to the embodiment of the present application;

[0023] Figure 4 yes Figure 3 A partial enlarged schematic diagram of a water box device;

[0024] Figure 5 yes Figure 1 A schematic cross-sectional view of the water box device along line AA;

[0025] Figure 6 is an exploded schematic diagram of a water box device according to an embodiment of the present application;

[0026] Figure 7 It is a schematic diagram of the structure in which the mounting frame and the water tank are arranged on the housing according to the embodiment of the present application;

[0027] Figure 8is a side view schematic diagram of a water box device according to an embodiment of the present application;

[0028] Fig. 9 yes Figure 8 A partial enlarged schematic diagram of a water box device;

[0029] Fig.10 is a schematic structural diagram of a micro switch according to an embodiment of the present application;

[0030] Fig.11 It is a schematic diagram of the structure of a household appliance according to an embodiment of the present application.

[0031] Main component reference numbers:

[0032] Household appliance 1000; water box device 100;

[0033] Shell 10, through hole 11; water tank 20; cam mechanism 30; motor 31; eccentric wheel 33, wheel body 331, trigger protrusion 333; push rod 35, rod body 351, protrusion 353; mounting frame 40, guide hole 41, first limit member 43, second limit member 45; elastic member 50; bracket 60, body 61, mounting plate 63; micro switch 70, contact 71. DETAILED DESCRIPTION

[0034] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0035] In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance, or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0036] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installation" and "connection" should be understood in a broad sense, and may refer to fixed connection, detachable connection, or integral connection; mechanical connection, electrical connection, or mutual communication; direct connection, indirect connection through an intermediate medium, internal connection between two elements, or interaction between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0037] The disclosure below provides many different embodiments or examples for realizing different structures of the present invention. In order to simplify the disclosure of the present invention, the components and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the present invention. In addition, the present invention may repeat reference numbers and / or reference letters in different examples, and such repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed.

[0038] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0039] See also Figure 1 The present application provides a water box device 100 for use in a household appliance 1000 (such as Fig.11 ). The water box device 100 includes a housing 10, a water tank 20 and a driving mechanism 30. The housing 10 is used to be embedded in the household appliance 1000. The water tank 20 is movably mounted in the housing 10. The driving mechanism 30 includes a motor 31, an eccentric wheel 33 and a push rod 35. The output shaft of the motor 31 is transmission-connected to the eccentric wheel 33. One end of the push rod 35 is used to contact the water tank 20, and the other end is used to contact the eccentric wheel 33. The motor 31 can push the water tank 20 to slide relative to the housing 10 through the eccentric wheel 33 and the push rod 35 in turn, so that at least a part of the water tank 20 is separated from the housing 10.

[0040] Specifically, the housing 10 can be embedded in the household appliance 1000 by screwing or snapping, so as to facilitate the installation and removal of the housing 10. The water tank 20 can be movably mounted in the housing 10 by snapping, so that the water tank 20 can be movably arranged in the housing 10, so that the user can slide the water tank 20 out of the housing 10 when cleaning or adding water to the water tank 20.

[0041] The drive mechanism 30 can be connected to the side of the housing 10 located inside the household appliance 1000 by screwing or snapping, so as to facilitate the installation and removal of the drive mechanism 30. The drive mechanism 30 can also be connected to the side of the housing 10 located inside the household appliance 1000 by welding, so that the drive mechanism 30 is firmly installed on the side of the housing 10 located inside the household appliance 1000.

[0042] The driving mechanism 30 may include a motor 31, an eccentric wheel 33, and a push rod 35. The eccentric wheel 33 may be sleeved on the output shaft of the motor 31, so that the output shaft of the motor 31 is in transmission connection with the eccentric wheel 33. One end of the push rod 35 may be used to contact the water tank 20, and the other end of the push rod 35 may be used to contact the eccentric wheel 33, so that the push rod 35 is located between the eccentric wheel 33 and the water tank 20. The motor 31 may sequentially drive the eccentric wheel 33 and the push rod 35 to push the water tank 20 to slide relative to the housing 10, so that at least a portion of the water tank 20 is separated from the housing 10.

[0043] In one embodiment, when the user needs to clean or add water to the water tank 20 and the water tank 20 is mounted in the housing 10, the output shaft of the motor 31 can drive the eccentric wheel 33, and the eccentric wheel 33 rotates clockwise or counterclockwise. Figure 2 The state changes in Figure 4 The push rod 35 is pushed to slide along the length direction L of the push rod 35 so that the push rod 35 moves from Figure 2 Position changes to Figure 4 position, pushing the water tank 20 to slide relative to the housing 10, so that the water tank 20 is partially or completely separated from the housing 10.

[0044] It should be noted that the motor 31 can be a unidirectional motor or a bidirectional motor, etc., which is not limited here. The housing 10, the water tank 20, the push rod 35 and the eccentric wheel 33 can be made of metal or plastic. That is, when the housing 10, the water tank 20, the push rod 35 and the eccentric wheel 33 are made of plastic, the production cost can be reduced. When the housing 10, the water tank 20, the push rod 35 and the eccentric wheel 33 are made of metal, for example, they can be made of aluminum alloy to reduce the weight of the housing 10, the water tank 20, the push rod 35 and the eccentric wheel 33, while extending the service life of the housing 10, the water tank 20, the eccentric wheel 33 and the push rod 35.

[0045] Thus, when the water tank 20 is movably mounted in the housing 10, the motor 31 can push the water tank 20 to slide relative to the housing 10 through the eccentric wheel 33 and the push rod 35 in sequence, so that at least a part of the water tank 20 is separated from the housing 10. Compared with the cooperation of the motor and the gear and rack, the structure is simpler, easier to implement, and the production cost is lower. Moreover, the motor with gears and racks needs to rotate forward and reverse, while the motor with the eccentric wheel 33 can use a low-cost unidirectional motor, which can further reduce the production cost.

[0046] Please combine Figure 1 and Figure 5In some embodiments, the motor 31, the eccentric wheel 33 and the push rod 35 are arranged on the same side of the housing 10, and one end of the push rod 35 extends into the housing 10 to contact the water tank 20. That is, the motor 31, the eccentric wheel 33 and the push rod 35 can be arranged on one side of the housing 10 located in the household appliance 1000, and one end of the push rod 35 can extend into the housing 10 to contact the water tank 20.

[0047] In one embodiment, when the output shaft of the motor 31 drives the eccentric wheel 33, causing the eccentric wheel 33 to rotate and push the push rod 35 to move along the length direction L of the push rod 35 and extend into the shell 10, the push rod 35 can push the sink 20 to slide relative to the shell 10, so that the sink 20 is partially or completely separated from the shell 10, making it convenient for the user to clean or add water to the sink 20.

[0048] Please combine Figure 1 , Figure 6 and Figure 7 In some embodiments, the water box device 100 includes a mounting frame 40 connected to the outside of the housing 10. The mounting frame 40 is provided with a guide hole 41. The housing 10 is provided with a through hole 11 at a position corresponding to the guide hole 41. The push rod 35 is inserted into the guide hole 41 and the through hole 11. The push rod 35 can slide in the guide hole 41 and the through hole 11 under the drive of the eccentric wheel 33.

[0049] Specifically, the mounting bracket 40 can be connected to the outside of the housing 10 by snapping or screwing, so as to facilitate the installation and removal of the mounting bracket 40. The mounting bracket 40 can also be connected to the outside of the housing 10 by welding, so that the mounting bracket 40 is firmly connected to the outside of the housing 10. The mounting bracket 40 is formed with a guide hole 41. A through hole 11 is opened on the housing 10 at a position corresponding to the guide hole 41. The push rod 35 can be inserted into the guide hole 41 and the through hole 11.

[0050] In one embodiment, when the eccentric wheel 33 rotates clockwise or counterclockwise to push the push rod 35, the push rod 35 can slide in the guide hole 41 and the through hole 11 along the length direction L of the push rod 35 under the drive of the eccentric wheel 33 to push the water tank 20 to slide relative to the shell 10, so that the water tank 20 is partially or completely separated from the shell 10.

[0051] It should be noted that the mounting frame 40 can be made of metal or plastic. That is, when the mounting frame 40 is made of plastic, the production cost can be reduced. When the mounting frame 40 is made of metal, for example, it can be made of aluminum alloy, so as to reduce the weight of the mounting frame 40 and extend the service life of the mounting frame 40.

[0052] Please combine Figure 3 and Figure 6In some embodiments, the mounting bracket 40 includes a first stopper 43 and a second stopper 45 spaced apart along the length direction of the push rod 35. The first stopper 43 is closer to the housing 10 than the second stopper 45. The first stopper 43 and the second stopper 45 are both formed with a guide hole 41. The push rod 35 includes a rod body 351 and a protrusion 353. The rod body 351 is inserted into the guide hole 41 and the through hole 11. The protrusion 353 is disposed between the first stopper 43 and the second stopper 45. The protrusion 353 can abut against the first stopper 43 or the second stopper 45 when the rod body 351 slides, so as to limit the sliding stroke of the rod body 351.

[0053] Specifically, the first stopper 43 and the second stopper 45 can be arranged on the mounting frame 40 by welding along the length direction L of the push rod 35 and at a predetermined distance, and the first stopper 43 is closer to the housing 10 than the second stopper 45. The first stopper 43 and the second stopper 45 can both form a guide hole 41. The push rod 35 can include a rod body 351 and a protrusion 353. The rod body 351 can be inserted into the guide hole 41 and the through hole 11. The protrusion 353 can be arranged between the first stopper 43 and the second stopper 45.

[0054] In one embodiment, when the eccentric wheel 33 rotates clockwise or counterclockwise, the driving rod body 351 slides along the length direction L of the push rod 35, and the protrusion 353 and the first limit member 43 abut against each other, the protrusion 353 and the first limit member 43 can cooperate with each other to limit the sliding stroke of the rod body 351 to prevent the rod body 351 from detaching from the mounting frame 40 and falling into the shell 10.

[0055] In another embodiment, when the eccentric wheel 33 stops pushing the rod body 351 and the protrusion 353 and the second limiting member 45 abut against each other, the protrusion 353 and the second limiting member 45 can cooperate with each other to limit the sliding stroke of the rod body 351 to prevent the rod body 351 from detaching from the mounting frame 40.

[0056] It should be noted that the first stopper 43 and the second stopper 45 can be made of metal or plastic. That is, when the first stopper 43 and the second stopper 45 are made of plastic, the production cost can be reduced. When the first stopper 43 and the second stopper 45 are made of metal, for example, they can be made of aluminum alloy, so as to reduce the weight of the first stopper 43 and the second stopper 45 and extend the service life of the mounting bracket 40. The rod body 351 and the protrusion 353 can be integrally formed to reduce the production cost.

[0057] The protrusion 353 and the rod body 351 can be integrally formed to reduce production costs. The predetermined distance between the first stopper 43 and the second stopper 45 can be, for example, 2 cm, 3 cm, 4 cm, 5 cm, 6 cm, 7 cm, 8 cm, 9 cm or 10 cm, which is not limited here.

[0058] Please combine Figure 1 and Figure 6 In some embodiments, the water box device 100 further includes an elastic member 50. The elastic member 50 is sleeved on the rod body 351 and is located between the first limit member 43 and the protrusion 353. When the protrusion 353 is closer to the first limit member 43 relative to the second limit member 45, the elastic member 50 applies an elastic force to the protrusion 353 to push the push rod 35 to return to its original position. That is, when the eccentric wheel 33 drives the push rod 35 to slide and pushes the water tank 20 to slide relative to the housing 10, the elastic member 50 will be compressed by the protrusion 353 and the first limit member 43, and after the push rod 35 pushes part or all of the water tank out of the housing 10, the eccentric wheel 33 can be Figure 2 The status changes to Figure 4 In the state, the eccentric wheel 33 stops driving the push rod 35, and the elastic member 50 can be changed from compression to stretch and apply elastic force to the push rod 35, so that the push rod 35 is reset and contacts the second stopper 45. It should be noted that the elastic member 50 can be, for example, a spring, etc., which is not limited here.

[0059] In some embodiments, the water box device 100 also includes a bracket 60. The bracket 60 is connected to the housing 10. The motor 31 is arranged on the bracket 60. The output shaft of the motor 31 is arranged in the bracket 60 and connected to the eccentric wheel 33. That is, the bracket 60 can be connected to the housing 10 by welding or screwing, so that the bracket 60 is firmly connected to the housing 10. The motor 31 can be arranged on the bracket 60 by snapping or screwing, so as to facilitate the installation and removal of the motor 31. The motor 31 can also be arranged on the bracket 60 by welding, so that the motor 31 is firmly arranged on the bracket 60 and is not easy to fall. The output shaft of the motor 31 can be arranged on the other side of the bracket 60 from one side of the bracket 60 and snap-connected with the eccentric wheel 33, so as to facilitate the installation and removal of the cam. It should be noted that the bracket 60 can be made of metal, that is, when the bracket 60 is made of metal, it can be made of aluminum alloy, for example, to reduce the weight of the bracket 60 while extending the service life of the bracket 60.

[0060] Please combine Figure 3 , Figure 6 , Figure 8 and Fig. 9In some embodiments, the water box device 100 further includes a micro switch 70. The micro switch 70 is disposed on the bracket 60. The eccentric wheel 33 is located between the micro switch 70 and the push rod 35. The eccentric wheel 33 includes a wheel body 331 and a trigger protrusion 333 disposed on the wheel body 331. The output shaft of the motor 31 is transmission-connected with the wheel body 331. The wheel body 331 contacts the push rod 35. The contact 71 of the micro switch 70 is located on the active path of the trigger protrusion 333. The motor 31 stops working when the trigger protrusion 333 contacts the contact 71 of the micro switch 70.

[0061] Specifically, the micro switch 70 can be arranged on the bracket 60 by means of a snap-fit ​​or screw connection, so as to facilitate the installation and removal of the micro switch 70. The contact 71 of the micro switch 70 can be located on the active path of the touch protrusion 333. The micro switch 70 can be electrically connected to the motor 31. The eccentric wheel 33 can be located between the micro switch 70 and the push rod 35. The wheel body 331 of the eccentric wheel 33 and the touch protrusion 333 arranged on the wheel body 331 can be integrally formed to reduce production costs. The output shaft of the motor 31 can be transmission-connected with the wheel body 331 by means of a snap-fit. The wheel body 331 can contact the push rod 35 with each other.

[0062] In one embodiment, when the transmission cam of the motor 31 rotates and the trigger protrusion 333 contacts the contact 71 of the micro switch 70 , the trigger protrusion 333 can trigger the micro switch 70 , and the motor 31 can automatically stop working without the user manually turning off the motor 31 .

[0063] It should be noted that the moving path of the actuating protrusion 333 may refer to the path along which the actuating protrusion 333 rotates when the driving cam of the motor 31 rotates.

[0064] Please combine Figure 8 and Fig.10 In some embodiments, the contact 71 of the micro switch 70 can be elastically at least partially retracted into the micro switch 70. The output shaft of the motor 31 rotates in the same direction. The touch protrusion 333 can push the contact 71 of the micro switch 70 to at least partially retract into the micro switch 70, so that the touch protrusion 333 can pass over the contact 71 of the micro switch 70 and separate from the contact 71 of the micro switch 70.

[0065] That is, in one embodiment, after the output shaft of the motor 31 drives the eccentric wheel 33 to rotate clockwise and drives the push rod 35 to slide along the length direction L of the push rod 35, so that the water tank 20 is at least partially separated from the shell 10, the eccentric wheel 33 can continue to rotate clockwise under the drive of the output shaft of the motor 31. At this time, the trigger protrusion 333 of the eccentric wheel 33 can contact the contact 71 of the micro switch 70 and can push the contact 71 of the micro switch 70 to partially or completely retract into the micro switch 70, so that the trigger protrusion 333 can pass over the contact 71 of the micro switch 70 and separate from the contact 71 of the micro switch 70.

[0066] In another embodiment, after the output shaft of the motor 31 drives the eccentric wheel 33 to rotate counterclockwise and drives the push rod 35 to slide along the length direction L of the push rod 35, so that the water tank 20 is at least partially separated from the shell 10, the eccentric wheel 33 can continue to rotate clockwise under the drive of the output shaft of the motor 31. At this time, the trigger protrusion 333 of the eccentric wheel 33 can contact the contact 71 of the micro switch 70 and can push the contact 71 of the micro switch 70 to partially or completely retract into the micro switch 70, so that the trigger protrusion 333 can pass over the contact 71 of the micro switch 70 and separate from the contact 71 of the micro switch 70.

[0067] See also Figure 1 and Figure 6 In some embodiments, the bracket 60 includes a body 61 and two mounting pieces 63 connected to the body 61. The body 61 is connected to the housing 10. The motor 31 is mounted on the body 61. The micro switch 70 is mounted on the two mounting pieces 63.

[0068] Specifically, the body 61 and the two mounting pieces 63 can be integrally formed to reduce production costs. The two mounting pieces 63 can be arranged at one end of the body 61 at a preset distance. The other end of the body 61 can be connected to the housing 10 by snapping, screwing or welding. The motor 31 can be installed on the side of the body 61 where the mounting piece 63 is not provided. The micro switch 70 can be firmly mounted on the two mounting pieces 63 by snapping or screwing, so that the micro switch 70 is located on one side of the eccentric wheel 33 and the push rod 35 is located on the other side of the eccentric wheel 33. It should be noted that the preset distance can be, for example, 0.2 cm, 0.3 cm, 0.4 cm, 0.5 cm, 0.6 cm, 0.7 cm, 0.8 cm, 0.9 cm or 1 cm, which is not limited here.

[0069] In one embodiment, after the eccentric wheel 33 drives the push rod 35, and the push rod 35 slides along the length direction L of the push rod 35, pushing the water tank 20 to slide relative to the shell 10, so that at least a portion of the water tank 20 is separated from the shell 10, the eccentric wheel 33 can continue to rotate in the original direction and contact with the contact 71 of the micro switch 70 mounted on the two mounting plates 63. At this time, the micro switch 70 is triggered and the motor 31 automatically stops working.

[0070] See also Fig.11 The present application also provides a household appliance 1000. The household appliance 1000 includes a water box device 100 of any of the above embodiments. The specific structure of the water box device 100 is as described above, and for the sake of brevity, it will not be repeated here. It should be noted that the household appliance 1000 can be, for example, a steamer, a steam oven, an oven or a microwave oven, etc., which is not limited here.

[0071] Thus, when the water tank 20 of the household appliance 1000 of the embodiment of the present application is movably mounted in the housing 10, the motor 31 can push the water tank 20 to slide relative to the housing 10 through the eccentric wheel 33 and the push rod 35 in sequence, so that at least a part of the water tank 20 is separated from the housing 10. Compared with the coordination of the motor and the gear and rack, the structure is simpler and easier to implement. The production cost is low, and the overall appearance of the household appliance 1000 can be ensured. In addition, the motor with gears and racks needs to rotate forward and reverse, while the coordination with the eccentric wheel 33 can use a low-cost unidirectional motor, which can further reduce the production cost.

[0072] The above embodiments only express several implementation methods of the utility model, and the descriptions are relatively specific and detailed, but they cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A water box device, used in a household appliance (1000), characterized in that: The water box device (100) comprises: A housing (10) for being embedded in the household appliance (1000); A water tank (20) movably mounted in the housing (10); The driving mechanism (30) comprises a motor (31), an eccentric wheel (33) and a push rod (35); the output shaft of the motor (31) is drivingly connected to the eccentric wheel (33); one end of the push rod (35) is used to contact the water tank (20), and the other end is used to contact the eccentric wheel (33); the motor (31) can push the water tank (20) to slide relative to the shell (10) through the eccentric wheel (33) and the push rod (35) in sequence, so that at least a part of the water tank (20) is separated from the shell (10).

2. The water box device according to claim 1, characterized in that: The motor (31), the eccentric wheel (33) and the push rod (35) are arranged on the same side of the housing (10), and one end of the push rod (35) extends into the housing (10) for contacting the water tank (20).

3. The water box device according to claim 2, characterized in that: The water box device (100) comprises a mounting frame (40) connected to the outside of the shell (10), the mounting frame is provided with a guide hole (41), the shell (10) is provided with a through hole (11) at a position corresponding to the guide hole (41), the push rod (35) is inserted into the guide hole (41) and the through hole (11), and the push rod (35) can slide in the guide hole (41) and the through hole (11) under the drive of the eccentric wheel.

4. The water box device according to claim 3, characterized in that: The mounting frame (40) comprises a first limiting member (43) and a second limiting member (45) which are arranged at intervals along the length direction of the push rod (35); the first limiting member (43) is closer to the housing (10) than the second limiting member (45); the first limiting member (43) and the second limiting member (45) are both provided with the guide hole (41); the push rod (35) comprises a rod body (351) and a protruding portion (353); the rod body (351) is inserted into the guide hole (41) and the through hole (11); the protruding portion (353) is arranged between the first limiting member (43) and the second limiting member (45); the protruding portion (353) can abut against the first limiting member (43) or the second limiting member (45) when the rod body (351) slides, so as to limit the sliding stroke of the rod body (351).

5. The water box device according to claim 4, characterized in that: The water box device (100) further comprises an elastic member (50), wherein the elastic member (50) is sleeved on the rod body (351) and is located between the first limiting member (43) and the protruding portion (353), and when the protruding portion (353) is closer to the first limiting member (43) relative to the second limiting member (45), the elastic member (50) applies an elastic force to the protruding portion (353) to push the push rod (35) to return to its original position.

6. The water box device according to claim 2, characterized in that: The water box device (100) further comprises a bracket (60), wherein the bracket (60) is connected to the housing (10), the motor (31) is arranged on the bracket (60), and the output shaft of the motor (31) passes through the bracket (60) and is connected to the eccentric wheel (33).

7. The water box device according to claim 6, characterized in that: The water box device (100) further comprises a micro switch (70), wherein the micro switch (70) is arranged on the bracket (60), the eccentric wheel (33) is located between the micro switch (70) and the push rod (35), the eccentric wheel (33) comprises a wheel body (331) and a touch protrusion (333) arranged on the wheel body (331), the output shaft of the motor (31) is transmission-connected with the wheel body (331), the wheel body (331) is in contact with the push rod (35), the contact point (71) of the micro switch (70) is located on the movable path of the touch protrusion (333), and the motor (31) stops working when the touch protrusion (333) contacts the contact point (71) of the micro switch (70).

8. The water box device according to claim 7, characterized in that: The contact (71) of the micro switch (70) can be elastically at least partially retracted into the micro switch (70), the output shaft of the motor (31) rotates in the same direction, and the touch protrusion (333) can push the contact (71) of the micro switch to at least partially retract into the micro switch (70), so that the touch protrusion (333) can pass over the contact (71) of the micro switch and separate from the contact (71) of the micro switch.

9. The water box device according to claim 7, characterized in that: The bracket (60) comprises a main body (61) and two mounting plates (63) connected to the main body (61); the main body (61) is connected to the housing (10); the motor (31) is mounted on the main body (61); and the micro switch (70) is mounted on the two mounting plates (63).

10. A household appliance, characterized in that: The household appliance (1000) comprises the water box device (100) according to any one of claims 1 to 9.

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