WO2023060688A1

WO2023060688A1 - Double-valve water-locking sewage tank of floor scrubber

Info

Publication number: WO2023060688A1
Application number: PCT/CN2021/131334
Authority: WO
Inventors: 宁建强; 高铭
Original assignee: 广东维尔科技股份有限公司
Priority date: 2021-10-12
Filing date: 2021-11-17
Publication date: 2023-04-20
Also published as: CN113940597A; CN113940597B

Abstract

A double-valve water-locking sewage tank of a floor scrubber, comprising a tank body (1). A water inlet (101) and an air discharge port (102) are respectively formed at the left and right sides of the tank body (1); one end of the water inlet (101) is communicated with the interior of the tank body (1) by means of a first valve (2), and the other end of the water inlet (101) is connected to a water pumping device by means of a water inlet pipe; one end of the air discharge port (102) is communicated with the interior of the tank body (1) by means of a second valve (3); a driving device, a water level sensing switch, and a toppling sensing switch are further arranged on the tank body (1); the driving device can drive the first valve (2) and the second valve (3) to be opened and closed; the water level sensing switch is electrically connected to the water pumping device and the driving device; and the toppling sensing switch is electrically connected to the water pumping device and the driving device. According to the double-valve water-locking sewage tank of the floor scrubber, by arranging the water level sensing switch and the toppling sensing switch, water in the sewage tank is locked in the sewage tank, and the purpose that water is not leaked during tilting is achieved.

Description

A double-valve water-locking sewage tank for a floor washing machine

technical field

The invention relates to the technical field of floor washing machines, in particular to a double-valve water-locking waste water tank of the floor washing machine.

Background technique

The sewage tank structure of the hand-held floor scrubbers on the market does not have the function of valves to lock water, but only the scale mark of the water level is printed outside the sewage tank. When the user uses it, the amount of water drawn is too much, and it will be full soon After passing the warning line, and when the water level reached the warning line, there was no alarm sound. This just causes the user to be unable to judge and continue to clean the work of the ground. When the water level exceeds the warning line of the water tank, as long as the machine tilts, the water in the water tank will leak out.

As mentioned above, the defect of the prior art solution is: the waste water tanks of the hand-held floor washing machine products on the market cannot achieve the function of locking water when dumped. As long as the hand-held floor washing machine product is dumped, There is a water leak.

Contents of the invention

The object of the present invention is to provide a double-valve water-locking sewage tank for a floor washing machine to solve the technical problem in the prior art that water leakage occurs when the sewage tank is dumped.

In order to achieve the above object, the technical solution of the present invention provides a double-valve water-locking waste water tank for the floor washing machine, which includes a box body, and the left and right sides of the box body are respectively provided with a water inlet and an exhaust port, and the water inlet One end of the water inlet communicates with the inside of the box through a first valve, the other end of the water inlet is connected with the pumping device through a water inlet pipe, and one end of the exhaust port communicates with the inside of the box through a second valve; The box body is also provided with a drive device, a water level sensor switch, and a dump sensor switch. The drive device can drive the first valve and the second valve to open and close. The water level sensor switch and the pumping The device and the drive device are electrically connected, and the dumping induction switch is electrically connected with the pumping device and the drive device.

Further, the first valve is connected with the first valve shaft extending in the vertical direction, and the second valve is connected with the second valve shaft extending in the vertical direction; the up and down movement of the first valve shaft can drive the The first valve is opened and closed, and the up and down movement of the second valve shaft can drive the second valve to open and close; the driving device can drive the first valve shaft and the second valve shaft to move up and down sports.

Further, the drive device includes a first elastic component, a second elastic component, a drive device body, a first push rod, and a second push rod, and the first elastic component and the second elastic component are located on the first elastic component respectively. A valve shaft and the bottom end of the second valve shaft; the first push rod and the second push rod are respectively located above the first valve shaft and the second valve shaft; the drive device body The first push rod and the second push rod can be driven to move up and down, and the water level sensor switch and the tipping sensor switch are electrically connected to the drive device body.

Further, the drive device body is located above the first valve shaft and the second valve shaft, the drive device body includes an upper electromagnet, a lower electromagnet, and a metal sheet, and the upper electromagnet is located Above the lower electromagnet, the metal sheet is located between the upper electromagnet and the lower electromagnet; the first push rod and the second push rod are respectively fixed on the left and right sides of the metal sheet. At the bottom of the side, the water level sensing switch and the dumping sensing switch are electrically connected to the upper electromagnet, and the water level sensing switch and the dumping sensing switch are electrically connected to the lower electromagnet.

Further, the drive device body also includes a first guide shaft and a second guide shaft, the first guide shaft and the second guide shaft extend in the up and down direction, the first guide shaft, the second guide shaft The shafts are distributed sequentially along the left and right directions; the left and right sides of the metal sheet are respectively provided with a first linear bearing and a second linear bearing, and the first linear bearing cooperates with the first guide shaft for vertical guidance. The second linear bearing cooperates with the second guide shaft for vertical guidance.

Further, the left and right sides of the metal sheet are respectively provided with a first screw hole and a second screw hole, the first screw hole is threadedly connected with the first adjusting screw extending in the up and down direction, and the second screw The hole is threadedly connected with the second adjusting screw extending in the up and down direction; a first neodymium stilbium magnet is arranged under the first adjusting screw, and a second neodymium stilbene magnet is arranged under the second adjusting screw.

Further, the drive device body, the first push rod, and the second push rod are located on the top of the box; the first valve, the first valve shaft, and the first elastic member are located On the left side of the box, the second valve, the second valve shaft, and the second elastic component are located on the right side of the box, and the first elastic component and the second elastic component are Compression spring; the top end of the first valve shaft goes out of the box body upwards, and the top end of the second valve shaft goes out of the box body upwards.

Further, the left and right sides of the top of the box are respectively provided with a first sealing hole and a second sealing hole, the first sealing hole and the second sealing hole extend along the up and down direction, and the first sealing hole The bottom of the second sealing hole is provided with a first through hole, and the bottom of the second sealing hole is provided with a second through hole; the first elastic sealing cap is provided in the first sealing hole, and the top end of the first valve shaft passes upwards The first through hole is connected to the bottom of the first elastic sealing cap, the second sealing hole is provided with a second elastic sealing cap, and the top end of the second valve shaft passes through the second through hole upwards. It is connected with the bottom of the second elastic sealing cap.

Further, the first valve includes a first valve tube and a first gate plate, the first valve tube extends in the up and down direction, and the side wall of the first valve tube is provided with a first opening and a second opening, so The first valve tube is provided with a first valve port; the first opening is located above the first valve port, and the second opening is located below the first valve port; the water inlet is connected to the first valve port One opening is connected, and the second opening communicates with the inside of the box; the first gate is fixed on the first valve shaft, and the horizontal width of the first valve shaft is smaller than that of the first valve port The horizontal width of the first gate plate is larger than the horizontal width of the first valve port, the first valve shaft passes through the inside of the first valve pipe, and the first gate plate is located at the Between the first valve port and the first elastic component.

Further, the second valve includes a second valve tube and a second gate, the second valve tube extends in the up and down direction, the side wall of the second valve tube is provided with a third opening and a fourth opening, so The second valve pipe is provided with a second valve port; the third opening is located above the second valve port, and the fourth opening is located below the second valve port; the exhaust port and the The third opening is connected, and the fourth opening communicates with the inside of the box; the second gate is fixed on the second valve shaft, and the horizontal width of the second valve shaft is smaller than that of the second valve shaft. The horizontal width of the mouth, the horizontal width of the second gate is greater than the horizontal width of the second valve port, the second valve shaft passes through the inside of the second valve pipe, and the second gate is located at the between the second valve port and the second elastic component.

In summary, using the technical solution of the present invention has the following beneficial effects: the structural design of the present invention is reasonable, the water level sensor switch is electrically connected to the pumping device and the driving device, and the dumping sensor switch is electrically connected to the pumping device and the driving device. (1) When the water level reaches the warning scale, the water level sensor switch will control the pumping device to no longer generate suction force, and the cleaning will stop slowly. At the same time, the water level sensor switch will also control the driving device to drive the first valve and the second valve to close, so that the sewage The water in the tank is locked inside to achieve the purpose of no leakage when tilted; (2) When the sewage tank of the hand-held floor scrubber tilts to a certain angle, but the water level does not reach the warning scale, although the water level sensor switch fails at this time, However, as a backup, the dumping sensor switch will control the pumping device to no longer generate suction force, and the cleaning will stop slowly. At the same time, the dumping sensor switch will also control the driving device to drive the first valve and the second valve to close, so that the water in the waste water tank is locked. (3) From the above analysis, it can be known that once the technical achievements of the present invention are transformed into practical applications, it will resolve the troubles of users during use and solve the main pain points of the hand-held floor scrubber. Make users feel easy to use and increase the fun of doing housework in life.

Description of drawings

Fig. 1 is a top view structural representation of the present invention;

Fig. 2 is the three-dimensional structure schematic diagram obtained after cutting along the A-A cutting line in Fig. 1;

Fig. 3 is the schematic diagram of the cross-sectional structure obtained after cutting along the A-A cutting line in Fig. 1;

Fig. 4 is a partial enlarged view of area A in Fig. 3;

Fig. 5 is a partial enlarged view of area B in Fig. 3;

Fig. 6 is a partial enlarged view of area C in Fig. 3;

Figure 7 is a partial enlarged view of area D in Figure 3

Fig. 8 is a partial enlarged view of area E in Fig. 3;

Fig. 9 is a side view structural schematic diagram of the left side of the present invention;

Fig. 10 is a side view structural schematic diagram of the right side of the present invention;

Fig. 11 is a schematic bottom view of the present invention;

Explanation of reference signs: 1-box, 101-water inlet, 102-exhaust port, 103-first sealing hole, 1031-first through hole, 1032-first elastic sealing cap, 104-second sealing hole, 1041-the second through hole, 1042-the second elastic sealing cap; 2-the first valve, 201-the first valve tube, 2011-the first opening, 2012-the second opening, 2013-the first valve port, 202-the first 1 gate; 3-second valve, 301-second valve pipe, 3011-third opening, 3012-fourth opening, 3013-second valve port, 302-second gate; 4-first valve shaft, 5-the second valve shaft, 6-the first elastic part, 7-the second elastic part; 8-the driving device body, 801-upper electromagnet, 802-lower electromagnet, 803-metal sheet, 8031-first straight line Bearing, 8032-Second Linear Bearing, 8033-First Nut, 8034-Second Nut, 8035-First Adjusting Screw, 8036-Second Adjusting Screw, 8037-First Neodymium Stilt Magnet, 8038-Second Neodymium Stilt Magnet , 804-first guide shaft, 805-second guide shaft; 9-first push rod, 10-second push rod, 11-frame.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings in the embodiments of the present invention, but this does not constitute a limitation to the protection scope of the present invention.

In the present invention, for a clearer description, the following description is made: the observer faces the accompanying drawing 3 to observe, the left side of the observer is defined as left, the right side of the observer is defined as right, the front of the observer is defined as front, and the observer's left side is defined as the front. Rear is set to rear, above the observer is set to up, and below the observer is set to down, the terms "front end", "rear end", "left side", "right side", "middle", "above" and "below" should be pointed out in the text The indicated orientation or positional relationship is based on the orientation or positional relationship set in the drawings, and is only for the convenience of clearly describing the present invention, rather than indicating or implying that the structure or component referred to must have a specific orientation, or in a specific orientation. configuration, and therefore should not be construed as limiting the invention. In addition, the terms "first", "second", "third", and "fourth" are used only for the purpose of clarity or simplification of description, and should not be understood as indicating or implying relative importance or quantity.

Referring to Figures 1 to 3 and Figures 9 to 11, this embodiment provides a double-valve water-locking waste water tank for a floor scrubber, including a tank body 1, preferably, the tank body 1 is installed on a frame 11. The left and right sides of casing 1 are provided with water inlet 101, exhaust port 102 respectively, and the effect that water inlet 101 is set is to make the sewage that produces when washing the floor can enter in the casing 1, and the effect that exhaust port 102 is set is to make When the sewage enters the box body 1 , the air originally existing in the box body 1 can be discharged out of the box body 1 through the exhaust port 102 , thereby maintaining the air pressure balance in the box body 1 . One end of the water inlet 101 communicates with the inside of the casing 1 through the first valve 2, and the other end of the water inlet 101 is connected with the pumping device through the water inlet pipe. The pumping device here is preferably a pumping motor (water pump), mainly used for washing The sewage during the ground is sucked in the casing 1. One end of the exhaust port 102 communicates with the inside of the box body 1 through the second valve 3; the box body 1 is also provided with a drive device, a water level sensor switch, and a dump sensor switch, and the drive device can drive the first valve 2 and the second valve 3 To open and close, the water level sensor switch is electrically connected to the pumping device and the driving device, and the dumping sensor switch is electrically connected to the pumping device and the driving device. Function: The water level sensor switch is electrically connected to the pumping device and the driving device, and the dumping sensor switch is electrically connected to the pumping device and the driving device. (1) When the water level reaches the warning scale, the water level sensor switch will control the pumping device to no longer generate suction force. The cleaning will stop slowly, and at the same time, the water level sensor switch will also control the driving device to drive the first valve and the second valve to close, so that the water in the sewage tank will be locked inside, so as to achieve the purpose of no water leakage when tilting; (2) when the hand-held washing machine When the sewage tank of the ground machine tilts to a certain angle, but the water level does not reach the warning scale, although the water level sensor switch fails at this time, the dumping sensor switch as a backup will control the pumping device to no longer generate suction force, and the cleaning will stop slowly. The induction switch will also control the driving device to drive the first valve and the second valve to close, so that the water in the sewage tank is locked inside, so as to achieve the purpose of no water leakage when tilting; (3) from the above analysis, it can be seen that the technical achievements of the present invention Once converted into practical applications, it will resolve the troubles of users during use, solve the main pain points of handheld scrubbers, make users feel easy to use, and increase the fun of doing housework in life. It should be noted that the water level sensor switch is used to detect whether the sewage in the box body 1 reaches the warning scale, and the tipping sensor switch is used to sense whether the box body 1 is dumped. Since the water level sensor switch and the tipping sensor switch belong to the technical field Conventional electronic components can be purchased by those skilled in the art in the existing market, so details will not be repeated here. Another thing to note is that the water level sensor switch is electrically connected to the pumping device and the driving device. The electrical connection here can be an indirect form in which the water level sensor switch is electrically connected to the pumping device and the driving device through a control component such as a single chip microcomputer, or it can be other methods. The form with the same function; the tipping sensor switch is electrically connected to the pumping device and the driving device, and the electrical connection here can be an indirect form in which the tipping sensor switch is electrically connected to the pumping device and the driving device through a control component such as a single chip microcomputer, or it can be other form with the same function.

Specifically, the first valve 2 is connected to the first valve shaft 4 extending in the vertical direction, and the second valve 3 is connected to the second valve shaft 5 extending in the vertical direction; the up and down movement of the first valve shaft 4 can drive the first valve 2 to open and close, the up and down movement of the second valve shaft 5 can drive the second valve 3 to open and close; the driving device can drive the first valve shaft 4 and the second valve shaft 5 to move up and down. Function: When the drive device receives the control command of the water level sensor switch or the dumping sensor switch, the drive device only needs to drive the first valve shaft 4 and the second valve shaft 5 to move up and down to complete the adjustment of the first valve 2 and the second valve. 3 opening and closing, so as to facilitate the operation.

Specifically, the driving device includes a first elastic component 6, a second elastic component 7, a driving device body 8, a first push rod 9, and a second push rod 10, and the first elastic component 6 and the second elastic component 7 are respectively located at the first The bottom ends of the valve shaft 4 and the second valve shaft 5; the first push rod 9 and the second push rod 10 are respectively located above the first valve shaft 4 and the second valve shaft 5, and the driving device body 8 can drive the first push rod 9. The second push rod 10 moves up and down, and the water level sensor switch and the tipping sensor switch are electrically connected to the driving device body 8 . Function: When the driving device body 8 drives the first push rod 9 and the second push rod 10 to move downward, the bottom end of the first push rod 9 will withstand the top of the first valve shaft 4 and push the first valve shaft 4 Push down, the bottom end of the second push rod 10 will withstand the top of the second valve shaft 5 and push the second valve shaft 5 downward; and when the driving device body 8 drives the first push rod 9, the second When the push rod 10 moves upward, the bottom end of the first push rod 9 will be out of contact with the top end of the first valve shaft 4, and the bottom end of the second push rod 10 will be out of contact with the top end of the second valve shaft 5, Thus, the first elastic member 6 pushes the first valve shaft 4 upward through the elastic action, and the second elastic member 7 pushes the second valve shaft 5 upward through the elastic action; it can be known from the above analysis that the first push valve is driven by the driving device body 8 The up and down movement of the rod 9 and the second push rod 10 can control the up and down movement of the first valve shaft 4 and the second valve shaft 5, thereby controlling the opening and closing of the first valve 2 and the second valve 3, thereby facilitating operation.

Specifically, referring to Fig. 4, the driving device body 8 is located above the first valve shaft 4 and the second valve shaft 5, and the driving device body 8 includes an upper electromagnet 801, a lower electromagnet 802, a metal sheet 803, and an upper electromagnet. 801 is located above the lower electromagnet 802, and the metal sheet 803 is located between the upper electromagnet 801 and the lower electromagnet 802; the first push rod 9 and the second push rod 10 are respectively fixed at the bottom of the left and right sides of the metal sheet 803, and the water level The induction switch and the dumping induction switch are electrically connected with the upper electromagnet 801 , and the water level induction switch and the dumping induction switch are electrically connected with the lower electromagnet 802 . Function: The water level sensor switch and the tipping sensor switch are electrically connected to the upper electromagnet 801, and the water level sensor switch and the tipping sensor switch are electrically connected to the lower electromagnet 802, so that the water level sensor switch can control the upper electromagnet according to the water level in the tank 1 801, the lower electromagnet 802 is powered on or off, and the tipping sensor switch can control the upper electromagnet 801 and the lower electromagnet 802 to be powered on or off according to the dumping situation of the cabinet 1. It should be noted that the form of electrical connection between the water level sensor switch and the tipping sensor switch and the upper electromagnet 801 can be an indirect form of electrical connection through control components such as a single chip microcomputer, and the water level sensor switch and the tipping sensor switch are electrically connected with the lower electromagnet 802. The form can be an indirect form of electrical connection through control components such as a single-chip microcomputer, and of course other forms with the same function can also be used. When the lower electromagnet 802 is energized and the upper electromagnet 801 is powered off, the magnetic force generated by the lower electromagnet 802 will drive the metal sheet 803 to move downward, thereby driving the first push rod 9 and the second push rod 10 to move downward. When the electromagnet 802 is powered off and the upper electromagnet 801 is powered on, the magnetic force generated by the upper electromagnet 801 will drive the metal sheet 803 to move upward, thereby driving the first push rod 9 and the second push rod 10 to move upward. It should be noted that the metal sheet 803 is preferably an iron sheet, and of course other metal sheets with the same function are also available.

Specifically, the driving device body 8 also includes a first guide shaft 804 and a second guide shaft 805. The first guide shaft 804 and the second guide shaft 805 extend along the up and down direction. Between the first guide shaft 804 and the second guide shaft 805 Distributed sequentially along the left and right directions; the left and right sides of the metal sheet 803 are respectively provided with a first linear bearing 8031 and a second linear bearing 8032. 8032 cooperates with the second guide shaft 805 for guiding up and down. Function: The first linear bearing 8031 cooperates with the first guide shaft 804, and the second linear bearing 8032 cooperates with the second guide shaft 805, so as to ensure that the metal sheet 803 maintains coaxiality and parallelism during the up and down movement.

Specifically, referring to Fig. 5 and Fig. 6, the left and right sides of the metal sheet 803 are respectively provided with a first screw hole and a second screw hole, and the first screw hole is threadedly connected with the first adjusting screw 8035 extending in the up and down direction. The second screw hole is threadedly connected with the second adjusting screw 8036 extending in the up and down direction; the first adjusting screw 8035 is provided with a first neodymium stilbium magnet 8037, and the second adjusting screw 8036 is provided with a second neodymium stilbium magnet 8038. Function: Cooperate with the first screw hole through the first adjusting screw 8035, so that the first adjusting screw 8035 can be adjusted up and down, and cooperate with the first screw hole through the second adjusting screw 8036, so that the second adjusting screw 8036 can be adjusted up and down Adjust, so that the distance between the first adjusting screw 8035 and the first neodymium stilbium magnet 8037 can be adjusted, so that the distance between the second adjusting screw 8036 and the second neodymium stilbium magnet 8038 can be adjusted, so as to realize the adjustment of the left and right Fine tuning of the Gaussian value of the side electromagnetic field. The function of fine-tuning the electromagnetic field is to adjust when the left and right ends of the metal sheet 803 are unbalanced. The closer the distance between the adjusting screw and the neodymium stilbium magnet, the larger the Gauss value, and the farther the distance, the smaller the Gauss value. Preferably, the first screw hole is located in the first nut 8033, the second screw hole is located in the second nut 8034, and then the first nut 8033 is threaded with the first adjusting screw 8035, and the second nut 8034 is connected with the second screw. The adjusting screw 8036 is threaded for cooperation. Of course, the first screw hole and the second screw hole can also be directly integrally formed on the left and right sides of the metal sheet 803, and can be selected according to needs.

Specifically, the driving device body 8, the first push rod 9, and the second push rod 10 are located on the top of the box body 1; the first valve 2, the first valve shaft 4, and the first elastic member 6 are located on the left side of the box body 1 , the second valve 3, the second valve shaft 5, and the second elastic part 7 are located on the right side of the box body 1, and the first elastic part 6 and the second elastic part 7 are compression springs; the top end of the first valve shaft 4 passes upwards Out of the box body 1, the top end of the second valve shaft 5 goes out of the box body 1 upwards.

Specifically, the left and right sides of the top of the box body 1 are respectively provided with a first sealing hole 103 and a second sealing hole 104, and the first sealing hole 103 and the second sealing hole 104 extend along the vertical direction, and the bottom of the first sealing hole 103 A first through hole 1031 is provided, and a second through hole 1041 is provided at the bottom of the second sealing hole 104; a first elastic sealing cap 1032 is provided in the first sealing hole 103, and the top end of the first valve shaft 4 passes through the first After the through hole 1031 is connected with the bottom of the first elastic sealing cap 1032, the second sealing hole 104 is provided with a second elastic sealing cap 1042, and the top of the second valve shaft 5 passes through the second through hole 1041 and connects with the second elastic The bottom of the sealing cap 1042 is attached. Function: When the bottom ends of the first push rod 9 and the second push rod 10 respectively withstand the top ends of the first elastic sealing cap 1032 and the second elastic sealing cap 1042 and push down, due to the relationship of elasticity, the first elastic The sealing cap 1032 will elastically move downward and push the first valve shaft 4 to move downward while ensuring that the first sealing hole 103 is sealed, and the second elastic sealing cap 1032 will ensure that the second sealing hole 104 is in a sealed state. Under normal circumstances, it will elastically move downward and push the second valve shaft 5 to move downward. The specific operation can be that the edges of the first elastic sealing cap 1032 and the second elastic sealing cap 1042 are fixed on the inner walls of the first sealing hole 103 and the second sealing hole 104 respectively, and only the middle can elastically move up and down. Preferably, the material of the first elastic sealing cap 1032 and the second elastic sealing cap 1042 is silica gel, of course, it can also be other materials with the same function.

Specifically, referring to FIG. 7 , the first valve 2 includes a first valve pipe 201 and a first gate plate 202. The first valve pipe 201 extends in the up and down direction. The side wall of the first valve pipe 201 is provided with a first opening 2011, a first Two openings 2012, the first valve pipe 201 is provided with a first valve port 2013; the first opening 2011 is located above the first valve port 2013, and the second opening 2012 is located below the first valve port 2013; the water inlet 101 and the first The opening 2011 is connected, and the second opening 2012 communicates with the inside of the box body 1; the first gate 202 is fixed on the first valve shaft 4, and the horizontal width of the first valve shaft 4 is smaller than the horizontal width of the first valve port 2013, and the first The horizontal width of the gate plate 202 is greater than the horizontal width of the first valve port 2013, the first valve shaft 4 passes through the inside of the first valve pipe 201, and the first gate plate 202 is located between the first valve port 2013 and the first elastic member 6 . Function: When the first valve shaft 4 moves upward, the first gate 202 will be driven to move upward together, so that the first gate 202 blocks the first valve port 2013, forming the effect of closing the first valve 2, when When the first valve shaft 4 moves downward, the first gate 202 will be driven to move downward together, so that the first gate 202 will no longer block the first valve port 2013, forming the effect of opening the first valve 2, It can be seen that the first valve shaft 4 can be moved upward to close the first valve 2 , and the first valve shaft 4 can be moved downward to open the first valve 2 .

Specifically, referring to FIG. 8, the second valve 3 includes a second valve pipe 301 and a second gate plate 302. The second valve pipe 301 extends in the up and down direction. The side wall of the second valve pipe 301 is provided with a third opening 3011, a second Four openings 3012, the second valve pipe 301 is provided with a second valve port 3013; the third opening 3011 is located above the second valve port 3013, the fourth opening 3012 is located below the second valve port 3013; the exhaust port 102 and the second valve port 3013 The three openings 3011 are connected, and the fourth opening 3012 communicates with the inside of the box body 1; the second gate 302 is fixed on the second valve shaft 5, and the horizontal width of the second valve shaft 5 is smaller than the horizontal width of the second valve port 3013. The horizontal width of the second gate 302 is larger than the horizontal width of the second valve port 3013, the second valve shaft 5 passes through the inside of the second valve pipe 301, and the second gate 302 is located between the second valve port 3013 and the second elastic member 7 between. Function: When the second valve shaft 5 moves upward, the second gate 302 will be driven to move upward together, so that the second gate 302 blocks the second valve port 3013, forming the effect of closing the second valve 3, when When the second valve shaft 5 moves downward, the second gate 302 will be driven to move downward together, so that the second gate 302 will no longer block the second valve port 3013, forming the effect of opening the second valve 3, It can be seen that the upward movement of the second valve shaft 5 can realize the closing of the second valve 3 , and the downward movement of the second valve shaft 5 can realize the opening of the second valve 3 .

The above description is a preferred embodiment of the present invention, and it should be pointed out that for those skilled in the art, without departing from the principle of the present invention, some improvements and modifications can also be made, and these improvements and modifications are also considered Be the protection scope of the present invention.

Claims

A dual-valve water-locking sewage tank for a floor washing machine, comprising a tank body (1), characterized in that: the left and right sides of the tank body (1) are respectively provided with a water inlet (101) and an exhaust port (102), One end of the water inlet (101) communicates with the inside of the tank (1) through the first valve (2), the other end of the water inlet (101) is connected with the pumping device through the water inlet pipe, and the exhaust One end of the port (102) communicates with the inside of the box (1) through the second valve (3); the box (1) is also provided with a drive device, a water level sensor switch, and a dump sensor switch. The device can drive the first valve (2) and the second valve (3) to open and close, the water level sensor switch is electrically connected to the pumping device and the drive device, the dumping sensor switch is connected to the The water pumping device and the driving device are electrically connected.
According to claim 1, the double-valve water-locking sewage tank of the floor washing machine is characterized in that: the first valve (2) is connected to the first valve shaft (4) extending in the up and down direction, and the second valve (3) connected with the second valve shaft (5) extending in the up and down direction; the up and down movement of the first valve shaft (4) can drive the first valve (2) to open and close, and the second valve The up and down movement of the shaft (5) can drive the second valve (3) to open and close; the driving device can drive the first valve shaft (4) and the second valve shaft (5) to move up and down .
According to claim 2, a double-valve water-locking sewage tank for a floor washing machine is characterized in that: the driving device includes a first elastic component (6), a second elastic component (7), a driving device body (8), The first push rod (9), the second push rod (10), the first elastic member (6) and the second elastic member (7) are respectively located on the first valve shaft (4), the second The bottom ends of the two valve shafts (5); the first push rod (9) and the second push rod (10) are respectively located at the first valve shaft (4) and the second valve shaft (5) Above, the drive device body (8) can drive the first push rod (9) and the second push rod (10) to move up and down, the water level sensor switch, the dump sensor switch and the The drive device body (8) is electrically connected.
According to claim 3, the double-valve water-locking sewage tank of the washing machine is characterized in that: the drive device body (8) is located between the first valve shaft (4) and the second valve shaft (5) Above between, the drive device body (8) includes an upper electromagnet (801), a lower electromagnet (802), and a metal sheet (803), and the upper electromagnet (801) is located at the lower electromagnet (802 ), the metal sheet (803) is located between the upper electromagnet (801) and the lower electromagnet (802); the first push rod (9), the second push rod (10 ) are respectively fixed on the bottom of the left and right sides of the metal sheet (803), the water level sensor switch and the dumping sensor switch are electrically connected to the upper electromagnet (801), the water level sensor switch, the dumping The inductive switch is electrically connected with the lower electromagnet (802).
According to claim 4, a dual-valve water-locking sewage tank for floor washing machines is characterized in that: the drive device body (8) also includes a first guide shaft (804) and a second guide shaft (805), the The first guide shaft (804) and the second guide shaft (805) extend along the up-down direction, and the first guide shaft (804) and the second guide shaft (805) are distributed sequentially along the left-right direction; The left and right sides of the metal sheet (803) are respectively provided with a first linear bearing (8031) and a second linear bearing (8032), and the first linear bearing (8031) and the first guide shaft (804) Up and down guide cooperation is performed, and the second linear bearing (8032) and the second guide shaft (805) perform up and down guide cooperation.
According to claim 4, a double-valve water-locking sewage tank for floor washing machines is characterized in that: the left and right sides of the metal sheet (803) are respectively provided with a first screw hole and a second screw hole, and the first The screw hole is threadedly connected with the first adjusting screw (8035) extending in the up-down direction, and the second screw hole is threadedly connected with the second adjusting screw (8036) extending in the up-down direction; the first adjusting screw A first neodymium stilbium magnet (8037) is provided below the (8035), and a second neodymium stilbium magnet (8038) is provided below the second adjusting screw (8036).
According to any one of claims 3 to 6, a double-valve water-locking sewage tank for a floor washing machine is characterized in that: the drive device body (8), the first push rod (9), the second The push rod (10) is located at the top of the box (1); the first valve (2), the first valve shaft (4), and the first elastic member (6) are located at the box ( 1), the second valve (3), the second valve shaft (5), and the second elastic member (7) are located on the right side of the box (1), and the The first elastic part (6) and the second elastic part (7) are compression springs; the top of the first valve shaft (4) passes through the box (1) upwards, and the second valve shaft The top end of (5) passes out of the box body (1) upwards.
According to claim 7, a dual-valve water-locking sewage tank for floor washing machines is characterized in that: the left and right sides of the top of the box body (1) are respectively provided with a first sealing hole (103) and a second sealing hole (104), the first sealing hole (103) and the second sealing hole (104) extend along the vertical direction, and the bottom of the first sealing hole (103) is provided with a first through hole (1031), the The bottom of the second sealing hole (104) is provided with a second through hole (1041); the first sealing hole (103) is provided with a first elastic sealing cap (1032), and the first valve shaft (4) The top end of the first through hole (1031) is connected to the bottom of the first elastic sealing cap (1032), and a second elastic sealing cap (1042) is arranged in the second sealing hole (104). The top end of the second valve shaft (5) passes upward through the second through hole (1041) and is connected to the bottom of the second elastic sealing cap (1042).
According to any one of claims 2 to 6 and 8, the double-valve water-locking sewage tank of the floor washing machine is characterized in that: the first valve (2) includes a first valve pipe (201), a first gate (202), the first valve tube (201) extends along the up and down direction, the side wall of the first valve tube (201) is provided with a first opening (2011) and a second opening (2012), the first The valve pipe (201) is provided with a first valve port (2013); the first opening (2011) is located above the first valve port (2013), and the second opening (2012) is located at the first Below the valve port (2013); the water inlet (101) is connected to the first opening (2011), and the second opening (2012) communicates with the inside of the box (1); the first The gate (202) is fixed on the first valve shaft (4), the horizontal width of the first valve shaft (4) is smaller than the horizontal width of the first valve port (2013), and the first gate The horizontal width of (202) is greater than the horizontal width of the first valve port (2013), the first valve shaft (4) passes through the inside of the first valve pipe (201), and the first gate ( 202) is located between the first valve port (2013) and the first elastic component (6).
According to any one of claims 2 to 6 and 8, the double-valve water-locking sewage tank of the floor washing machine is characterized in that: the second valve (3) includes a second valve pipe (301), a second gate (302), the second valve tube (301) extends in the up and down direction, the side wall of the second valve tube (301) is provided with a third opening (3011) and a fourth opening (3012), the second The valve pipe (301) is provided with a second valve port (3013); the third opening (3011) is located above the second valve port (3013), and the fourth opening (3012) is located at the second Below the valve port (3013); the exhaust port (102) is connected to the third opening (3011), and the fourth opening (3012) communicates with the inside of the box (1); the first The second gate (302) is fixed on the second valve shaft (5), the horizontal width of the second valve shaft (5) is smaller than the horizontal width of the second valve port (3013), and the second gate The horizontal width of the plate (302) is greater than the horizontal width of the second valve port (3013), the second valve shaft (5) passes through the inside of the second valve pipe (301), and the second gate (302) is located between the second valve port (3013) and the second elastic component (7).