Automatic draining device

Abstract

An automatic draining device includes a sewer pipe and an upper pressing part. The upper pressing part has a sewer hole communicating with the sewer pipe, a movable piston part is arranged in the sewer hole, the piston part is connected with a transmission part, and an electric actuator is further arranged outside the sewer pipe; the electric actuator is connected with a power supply component; and the electric actuator drives the piston part to slide in the sewer hole to control the sewer hole to be closed or opened, therefore, opening and closing states of the sewer hole may be controlled by a switch, and using is convenient and healthy.

What is claimed is: 
     
         1 . An automatic draining device, comprising: a sewer pipe having a thread on an outer side wall of one end, one end of the sewer pipe being connected with an upper pressing part through the thread, the upper pressing part being arranged in a water outlet of a washbasin and being hermetically connected with the water outlet of the washbasin, the upper pressing part having a sewer hole communicating with the sewer pipe, a piston part being arranged in the sewer hole, the piston part being movably connected with an inner wall of the sewer hole, the piston part being connected with a transmission part, an electric actuator being further arranged outside the sewer pipe, the electric actuator being connected with a power supply component, the electric actuator having a stroke outputting part, the stroke outputting part being connected with the transmission part through a connecting part, the power supply component being used for providing a working current for the electric actuator, the electric actuator working under a drive of the working current and outputting a working stroke through the stroke outputting part, the working stroke being further outputted to the transmission part through the connecting part, the piston part connected with the transmission part sliding in the sewer hole along with the working stroke, the piston part siding to a bottom end of the working stroke, entering the sewer hole, and completely sealing the sewer hole, the sewer hole being opened after the piston part slides away from the bottom end of the working stroke, and water in the washbasin entering the sewer pipe through the sewer hole and being drained out. 
     
     
         2 . The automatic draining device according to  claim 1 , wherein the piston part linearly slides in the sewer hole in an axial direction. 
     
     
         3 . The automatic draining device according to  claim 2 , wherein the connecting part is simultaneously connected with the stroke outputting part and the transmission part, and the connecting part converts the working stroke outputted by the stroke outputting part into a linear stroke in the axial direction of the sewer hole. 
     
     
         4 . The automatic draining device according to  claim 1 , wherein a penetrating connecting hole is formed in a side wall at one end where the sewer pipe is connected with an upper pressing plate, the connecting part is located in the penetrating connecting hole, the transmission part is connected to one end of an inner side of the connecting part, and the stroke outputting part is connected to one end of an outer side of the connecting part. 
     
     
         5 . The automatic draining device according to  claim 4 , wherein a transmission channel used for accommodating the transmission part is further arranged in the sewer pipe, the transmission channel communicates with the penetrating connecting hole, and the transmission part slides in the transmission channel in an axial direction and is hermetically connected with an inner wall of the transmission channel. 
     
     
         6 . The automatic draining device according to  claim 1 , wherein the power supply component comprises a power supply and a power supply management unit, wherein the power supply management unit is connected with the power supply, the power supply management unit manages a current outputted by the power supply to control a working state of an electromagnetic push rod, and then control opening and closing states of the sewer hole. 
     
     
         7 . The automatic draining device according to  claim 6 , wherein the power supply management unit has a control switch, and the control switch controls a working state of the power supply management unit. 
     
     
         8 . The automatic draining device according to  claim 1 , wherein the electric actuator is an electric screw rod mechanism or an electromagnetic push rod or a motor; when the electric actuator is the electric screw rod mechanism, the stroke outputting part is a screw rod; when the electric actuator is the electromagnetic push rod, the stroke outputting part is a push rod; and when the electric actuator is the motor, the stroke outputting part is a worm. 
     
     
         9 . The automatic draining device according to  claim 8 , wherein when the electric actuator is the electric screw rod mechanism, a gear is fixed to the screw rod, and the gear meshes with a rack arranged on the transmission part. 
     
     
         10 . The automatic draining device according to  claim 8 , wherein when the electric actuator is the electromagnetic push rod, the push rod is arranged in a coil former in a penetrating mode, an electromagnetic coil is wound on the coil former, the electromagnetic coil is connected with the power supply component through a wire, and the electromagnetic coil generates a magnetic force after being electrified, and then drives the push rod to slide in the coil former in an axial direction. 
     
     
         11 . The automatic draining device according to  claim 10 , wherein a permanent magnet is further fixed to the push rod, the permanent magnet is further provided with two metal plates on two sides of the push rod in a sliding direction respectively, the two metal plates are located at two ends of the stroke corresponding to the permanent magnet, and when the push rod slides, the permanent magnet fixed to the push rod slides between the two metal plates. 
     
     
         12 . The automatic draining device according to  claim 10 , wherein the electromagnetic push rod is further provided with a reset spring, and the push rod is arranged in the reset spring in the penetrating mode. 
     
     
         13 . The automatic draining device according to  claim 8 , wherein when the electric actuator is the motor, the connecting part is a thumb wheel mechanism. 
     
     
         14 . The automatic draining device according to  claim 13 , wherein the thumb wheel mechanism comprises a thumb wheel and a shifting tooth part fixed to the transmission part, wherein a first side of the thumb wheel meshes with the worm, a second side in an axial direction of the thumb wheel has at least one protrusion portion, the shifting tooth part has a shifting tooth matched with the at least one protrusion portion, and when the at least one protrusion portion rotates under a drive of the motor, the at least one protrusion portion is in touch with the shifting tooth from one side and pushes the shifting tooth to move upwards or downwards. 
     
     
         15 . The automatic draining device according to  claim 14 , wherein the motor forward or reversely drives the worm to drive the at least one protrusion portion to rotate, so as to push the shifting tooth to move upwards or downwards. 
     
     
         16 . The automatic draining device according to  claim 14 , wherein the motor is installed with a driving gear, the thumb wheel mechanism has a worm gear, the worm has a driven gear, the driving gear meshes with the driven gear, and the worm meshes with the worm gear.