Foam local cleaning device and washing machine

Abstract

A foam local cleaning device and a washing machine, the foam local cleaning device including: a housing having a containing cavity; a foam cleaning component connected to the housing and movable relative to the housing, at least used to provide foam detergent during local cleaning, the foam cleaning component having a storage position and a cleaning position relative to the housing; and a signal transmission unit, which transmits a signal to the foam local cleaning device when the foam cleaning component moves to a set position. The signal transmission unit can reflect the position information of the foam cleaning component to ensure that the foam cleaning component is opened or closed in place. The foam cleaning component is switched between the cleaning position and the storage position by a transmission component, which not only reduces the space occupied by the foam cleaning component, but also protects the foam cleaning component.

1 . A foam local cleaning device, comprising:
 a housing;   a foam cleaning component, being connected to the housing and movable relative to the housing, and is for providing a foam detergent during a local cleaning;   a signal transmission unit, for transmitting a signal to the foam local cleaning device when the foam cleaning component moves to a set position.   
     
     
         2 . The foam local cleaning device according to  claim 1 , wherein, the signal transmission unit comprises a microswitch, and the transmitted signal comprises an electrical signal;
 the microswitch is electrically connected to the foam cleaning component and controls on/off state of a circuit of the foam cleaning component according to a position of the foam cleaning component.   
     
     
         3 . The foam local cleaning device according to  claim 2 , wherein, the housing is provided with a containing cavity;
 the foam cleaning component is movable relative to the housing between a storage position and a cleaning position; in the storage position, the foam cleaning component is stored in the housing cavity of the housing; in the cleaning position, the foam cleaning component is located outside the housing cavity of the housing;   the microswitch closes the circuit when the foam cleaning component is in the cleaning position, and the circuit is in off state when the foam cleaning component is in the storage position.   
     
     
         4 . The foam local cleaning device according to  claim 3 , wherein: the microswitch is arranged on the housing and/or the foam cleaning component, and when the foam cleaning component moves to the cleaning position and/or the storage position, the microswitch is in a triggered state to control the circuit of the foam cleaning component to be turned on or off;
 alternatively, the microswitch comprises:   a fixed contact, arranged on the housing;   a moving contact, arranged on the foam cleaning component, matching with the fixed contact;   the foam cleaning component drives the moving contact to move to contact the fixed contact, thereby controlling the circuit of the foam cleaning component to be disconnected or connected.   
     
     
         5 . The foam local cleaning device according to  claim 4 , wherein, the microswitch is arranged in the containing cavity. 
     
     
         6 . The foam local cleaning device according to  claim 4 , wherein, a base is provided and connected to a bottom of the foam cleaning component, and the base drives the foam cleaning component to move between the storage position and the cleaning position;
 the moving contact of the microswitch is arranged on the base.   
     
     
         7 . The foam local cleaning device according to  claim 4 , wherein,
 an end of the housing with an opening is configured as a front end of the housing, and an end away from the opening is configured as a rear end of the housing; an end of the foam cleaning component opposite to the front end of the housing is a front end of the foam cleaning component, and an end opposite to the rear end of the housing is a rear end of the foam cleaning component;   the fixed contact and the moving contact of the microswitch are respectively arranged at the front of the housing and the rear of the foam cleaning component, and the microswitch is configured as a passage switch; when the foam cleaning component is in the cleaning position, the fixed contact and the moving contact are in contact, and the circuit of the foam cleaning component is turned on;   and/or, the fixed contact and the moving contact of the microswitch are respectively arranged at the rear of the housing and the foam cleaning component, and the microswitch is configured as a circuit-breaker switch; when the foam cleaning component is in the storage position, the fixed contact and the moving contact are in contact, and the circuit of the foam cleaning component is disconnected.   
     
     
         8 . The foam local cleaning device according to  claim 1 , wherein, it also includes a switch part, which is used to at least control the foam cleaning component to start up to provide the foam detergent, and control the foam cleaning component to stop providing the foam detergent after the foam cleaning component receives a relevant signal. 
     
     
         9 . The foam local cleaning device according to  claim 8 , wherein, the foam cleaning component comprises:
 a water outlet unit, for providing cleaning water during the local cleaning;   a foam generating unit, for providing the foam detergent during the local cleaning;   the switch part is provided with one, which is used to control opening and closing of the water outlet unit and the foam generating unit;   alternatively, two switch parts are provided, which are used to control the opening and closing of the water outlet unit and the foam generating unit respectively.   
     
     
         10 . A foam local cleaning device, comprising:
 a housing, being provided with a containing cavity;   a foam cleaning component, being movable relative to the housing between a storage position and a cleaning position, wherein in the storage position, the foam cleaning component is stored in the containing cavity of the housing, and in the cleaning position, the foam cleaning component is located outside the containing cavity of the housing;   a transmission component, being connected to the housing and the foam cleaning component and is used to transmit power between the housing and the foam cleaning component to move the foam cleaning component between the storage position and the cleaning position.   
     
     
         11 . The foam local cleaning device according to  claim 10 , wherein, the transmission component comprises:
 a first meshing unit, configured to connect to the housing;   a second meshing unit, configured to respectively connect to the foam cleaning component and mesh with the first meshing unit;   the second meshing unit cooperates with the first meshing unit to move the foam cleaning component between the storage position and the cleaning position.   
     
     
         12 . The foam local cleaning device according to  claim 11 , wherein it further comprises a handle connected to the foam cleaning component, and the second meshing unit is arranged on the handle;
 pushing and pulling the handle drives the second meshing unit to move, and the first meshing unit cooperates with the second meshing unit to guide the foam cleaning component to move between the storage position and the cleaning position;   alternatively, a driving unit is provided which connected to the first meshing unit and/or the second meshing unit, driving the first meshing unit and/or the second meshing unit to move, and the first meshing unit cooperates with the second meshing unit to guide the foam cleaning component to move between the storage position and the cleaning position.   
     
     
         13 . The foam local cleaning device according to  claim 12 , wherein,
 the first meshing unit includes a gear disposed on the housing;   the second meshing unit includes a rack meshingly connected to the gear, and the rack is connected to the foam cleaning component and moves together.   
     
     
         14 . The foam local cleaning device according to  claim 13 , wherein, the handle comprises a base, which is arranged below the foam cleaning component, and a hollow portion is arranged at a position corresponding to the foam cleaning component so that water from the foam cleaning component can flow through;
 the rack is arranged on a side wall of at least one side of the base;   the gear is arranged in the containing cavity, corresponding to the position of the rack and located on the same side.   
     
     
         15 . The foam local cleaning device according to  claim 14 , wherein, a radial direction of the gear is arranged along a vertical direction of the containing cavity;
 the rack is located above and/or below the gear and is meshed with the gear in a vertical direction.   
     
     
         16 . The foam local cleaning device according to  claim 15 , wherein, two racks are provided on one side of the base, the two racks are arranged in parallel, and teeth of the racks are opposite to each other;
 at least two gears are arranged on a side of the containing cavity, which are located between the two racks and are respectively connected to the two racks.   
     
     
         17 . The foam local cleaning device according to  claim 16 , wherein, the driving unit is arranged on the housing, connected to one of the gears, and used to drive the gear to rotate, the gear is configured as a driving wheel, and the driving wheel is connected to one of the racks;
 two gears are provided, and an other gear is meshed and connected with the driving wheel, configured as a driven wheel, and connected with an other rack;   alternatively, three gears are provided, and the other two gears are connected to the other rack configured as positioning wheels, the driving wheel and the positioning wheel cooperate with the two racks respectively to orient a movement direction of the foam cleaning component.   
     
     
         18 . The foam local cleaning device according to  claim 17 , wherein, a distance between the two racks is a minimum distance that can accommodate the driving wheel and the positioning wheel. 
     
     
         19 . The foam local cleaning device according to  claim 10 , wherein, the foam cleaning component comprises:
 a water outlet unit, for providing cleaning water during a local cleaning;   a foam generating unit, for providing foam detergent during the local cleaning;   a switch part, being provided with one, which is used to control an opening and closing of the water outlet unit and the foam generating unit;   alternatively, two switch parts are provided, which are used to control the opening and closing of the water outlet unit and the foam generating unit respectively.   
     
     
         20 . A washing machine, comprising the foam local cleaning device according to  claim 10 .