Drainage device and cleaning equipment

Abstract

The utility model relates to the technical field of drainage of cleaning devices, in particular to a drainage device and cleaning equipment, which comprise a shell, a drainage channel, a water outlet and a drainage port, and the shell is used for temporarily storing liquid and comprises the water inlet, the drainage channel and the water outlet which are communicated in sequence; the first control valve is positioned at the water inlet; the second control valve is positioned at the water outlet; the driving assembly is used for generating driving force; one end of the sealing compression part is communicated with the drainage channel, and the sealing compression part is configured to drive the first control valve and the second control valve to move and work through self deformation under the driving of the driving assembly so as to open or close the water inlet and the water outlet; in response to the opening of the water inlet, liquid outside the shell flows into the drainage channel through the water inlet; the liquid in the drainage channel flows out of the shell through the drainage opening in response to the opening of the drainage opening. The utility model aims to solve the problems of higher cost and larger occupied internal space of the drainage component in the existing cleaning device, and is simple in structure and easier to implement.

Description

Technical Field

[0001] The utility model relates to the technical field of drainage of cleaning devices, in particular to a drainage device and cleaning equipment. Background Art

[0002] Most of the existing drainage devices in cleaning equipment collect sewage by adding a water tank, and then a drainage pump discharges the sewage in the water tank from the drainage port to the outside of the cleaning equipment. The addition of a water tank often makes the drainage device larger in size, occupying a large amount of internal space of the cleaning equipment; at the same time, the manufacturing cost of the drainage pump is high, which also increases the overall manufacturing cost of the cleaning equipment to a certain extent. Therefore, a drainage device is needed to solve the above problems. Utility Model Content

[0003] One purpose of the utility model is to solve the problem of high cost and large volume of the existing drainage device.

[0004] In order to achieve the above object, the utility model provides a drainage device, comprising:

[0005] A shell, used for temporarily storing liquid, comprising a water inlet, a drainage channel and a drain outlet which are connected in sequence;

[0006] a first control valve located at the water inlet and a second control valve located at the water outlet;

[0007] A driving component for generating a driving force;

[0008] The sealing compression member is configured to drive the first control valve and the second control valve to work simultaneously through its own deformation under the drive of the driving component, so as to open or close the water inlet and the drain port accordingly; wherein, in response to the water inlet being opened, the liquid outside the shell flows into the drainage channel through the water inlet; in response to the drain port being opened, the liquid in the drainage channel flows out of the shell through the drain port.

[0009] Further, one end of the sealing compression member is in communication with the drainage channel;

[0010] The sealing compression member is configured to be compressed by force and simultaneously open the first control valve and close the second control valve; or to be stretched by force and simultaneously open the second control valve and close the first control valve.

[0011] Furthermore, the driving assembly includes a motor and a connecting rod assembly, the motor is used to drive the connecting rod assembly, and the connecting rod assembly is respectively connected to the sealing compression member, the first control valve and the second control valve.

[0012] Furthermore, the driving assembly also includes a gear set and a transmission member, and the transmission member is respectively connected to the gear set and the connecting rod assembly; the gear set rotates under the drive of the motor, and then drives the connecting rod assembly to move through the transmission member.

[0013] Furthermore, the transmission member includes an eccentric disk and a rotating rod, the gear set includes an output gear, one end of the rotating shaft of the output gear is connected to the eccentric disk, and the eccentric disk rotates coaxially with the output gear; the rotating rod is connected between the eccentric disk and the connecting rod assembly.

[0014] Furthermore, the connecting rod assembly includes a third connecting rod, one end of the third connecting rod is connected to the rotating rod, and the other end is connected to the sealing compression component. Driven by the rotating rod, the third connecting rod causes the sealing compression component to deform and be in a compressed or stretched state.

[0015] Furthermore, the connecting rod assembly also includes a connecting piece, a first connecting rod and a second connecting rod, and the motor output shaft of the motor can pass through the connecting piece and drive the connecting piece to rotate; the connecting piece is respectively connected to the first connecting rod and the second connecting rod; the first connecting rod is connected to the first control valve, and the second connecting rod is connected to the second control valve; the eccentric disk is configured as two, the first rotating rod of one eccentric disk is connected to the connecting piece, and the second rotating rod of the other eccentric disk is connected to the third connecting rod.

[0016] Further, the first control valve and the second control valve are both configured as piston valves; the first control valve includes a first piston rod and a first piston, the two ends of the first piston rod are respectively connected to the first connecting rod and the first piston, and the first piston rod is controlled to be able to reciprocate in its extension direction so that the first piston opens / closes the water inlet; the second control valve includes a second piston rod and a second piston, the two ends of the second piston rod are respectively connected to the second connecting rod and the second piston, and the second piston rod is controlled to be able to reciprocate in its extension direction so that the second piston opens / closes the drain port.

[0017] Furthermore, the first control valve further includes a first sealing ring, which is sleeved on the outer circumference of the first piston; the second control valve further includes a second sealing ring, which is sleeved on the outer circumference of the second piston.

[0018] Furthermore, the connecting rod assembly also includes a first sliding bracket and a second sliding bracket, the first sliding bracket is arranged between the first connecting rod and the first piston rod; the second sliding bracket is arranged between the second connecting rod and the second piston rod; and / or, the connecting rod assembly also includes a shock-absorbing block, and a shock-absorbing block is sleeved on the outer side of the first sliding bracket and the second sliding bracket.

[0019] Further, the shock-absorbing block includes a first shock-absorbing block and a second shock-absorbing block, one end of the first shock-absorbing block abuts against the inner edge of the first mounting port, and the other end of the second shock-absorbing block abuts against the edge of the water inlet; one end of the second shock-absorbing block abuts against the inner edge of the second mounting port, and the other end of the second shock-absorbing block abuts against the edge of the drain port.

[0020] Furthermore, the first shock absorbing block and the second shock absorbing block are both configured as hollow corrugated column structures, and the first sliding bracket and the second sliding bracket are provided with guide blocks, and the guide blocks are engaged with the protruding positions of the shock absorbing blocks.

[0021] Further, the sealing compression component is configured as an airbag assembly, which includes an airbag body, a top cover and a counterweight; an opening is provided on the shell, the airbag body is tightly connected to the opening, the third connecting rod is connected to the top cover, and the top cover is fixedly connected to the airbag body; the counterweight is located in the airbag body and is connected to the top of the airbag body.

[0022] Furthermore, the airbag assembly comprises an airbag shell, the bottom edge of which is connected to the shell; a clearance hole is provided on the top of the airbag shell, and the third connecting rod can pass through the clearance hole to be connected to the top cover.

[0023] Furthermore, the airbag assembly is also provided with a bracket shell, one end of which is connected to the edge of the shell opening, and the other end of the bracket shell presses the bottom edge of the airbag body; and / or, the airbag assembly also includes a seal, which is arranged at the connection between the bracket shell and the bottom edge of the airbag body, for preventing the gas in the shell from leaking from the connection between the airbag body and the opening.

[0024] Furthermore, the connecting member also includes a through hole, a first connecting shaft and a second connecting shaft, and the first rotating rod can pass through the through hole to be connected to the connecting member; a first positioning hole is provided at the end of the first connecting rod, and a second positioning hole is provided at the end of the second connecting rod; the first connecting shaft is connected to the first positioning hole, and the second connecting shaft is connected to the second positioning hole.

[0025] Furthermore, the first positioning hole and the second positioning hole are configured as circular holes or bar holes.

[0026] Furthermore, a first mounting hole and a second mounting hole are provided on the housing, and the first connecting rod passes through the first mounting hole to be connected to the first control valve; and the second connecting rod passes through the second mounting hole to be connected to the second control valve.

[0027] Furthermore, the gear set includes a worm gear set and a reduction gear set, the motor is connected to the worm gear set, and the worm gear set is connected to the reduction gear set; the reduction gear set includes an output gear, and the output gear is connected to the transmission member.

[0028] Furthermore, the worm and worm gear set includes a worm and a worm wheel, the motor output shaft is connected to the worm, and the worm wheel is meshed with the worm; the reduction gear set also includes a pinion, which is coaxially arranged with the worm wheel and rotates simultaneously, and the pinion is meshed with the output gear; the radius of the pinion is smaller than the radius of the output gear.

[0029] Furthermore, the height of one end of the drainage channel close to the water inlet is higher than the height of one end of the drainage channel close to the drain outlet; the end of the drainage channel close to the drain outlet is configured as a cone, and the drain outlet is located at the center of the cone.

[0030] Furthermore, the drive assembly also includes a drive housing, which is used to accommodate the gear set and the connecting rod assembly; and / or, the motor housing is provided with heat dissipation holes for dissipating heat generated during the operation of the motor.

[0031] Furthermore, a cleaning device comprises the drainage device described above.

[0032] Based on the foregoing description, those skilled in the art can understand that in the aforementioned technical solution of the utility model, by adding an airbag assembly and a drive assembly in the drainage device, the airbag assembly is connected to the drainage channel, and control valves are provided at the water inlet and the drainage port. Under the drive of the drive assembly, the airbag assembly is stretched and the first control valve is opened, so that negative pressure is formed in the shell to suck sewage from the water inlet into the drainage channel; or, the airbag assembly is compressed and the second control valve is opened to discharge the sewage in the drainage channel from the drainage port. The utility model eliminates the setting of the drainage pump and the water tank in the existing drainage device, effectively reduces the manufacturing cost of the drainage device, and also reduces the occupation of the internal space of the cleaning equipment by the sewage discharge system. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] In order to more clearly illustrate the technical solution of the utility model, some embodiments of the utility model will be described below with reference to the accompanying drawings. It should be understood by those skilled in the art that the same figure number indicates the same or similar parts or components in different drawings; the drawings of the utility model are not necessarily drawn to scale. In the drawings:

[0034] Figure 1 It is a front upper isometric view of the drainage device in some embodiments of the utility model;

[0035] Figure 2 for Figure 1 a first cross-sectional view of the middle drainage device;

[0036] Figure 3 for Figure 1 Rear view of the center drain;

[0037] Figure 4 for Figure 1 A second cross-sectional view of the drainage device.

[0038] Reference numerals:

[0039] 100. Drainage device;

[0040] 1. Shell; 11. Water inlet; 12. Drainage channel; 13. Drainage outlet;

[0041] 21. First control valve; 22. Second control valve;

[0042] 3. Airbag assembly; 31. Airbag body; 32. Top cover; 33. Counterweight; 34. Airbag shell; 35. Bracket shell;

[0043] 4. Driving assembly; 41. Motor; 411. Heat dissipation hole; 421. Worm; 422. Worm wheel; 423. First fixed shaft; 424. Pinion; 431. First eccentric disk; 4311. First rotating rod; 432. Second eccentric disk; 441. Connecting piece; 442. First connecting rod; 4421. First positioning hole; 443. Second connecting rod; 4431. Second positioning hole; 444. Third connecting rod; 4451. First sliding bracket; 4452. Second sliding bracket; 446. Guide block; 4471. First shock absorbing block; 4472. Second shock absorbing block; 45. Driving housing. DETAILED DESCRIPTION

[0044] It should be understood by those skilled in the art that the embodiments described below are only a part of the embodiments of the present invention, rather than all the embodiments of the present invention, and the embodiments are intended to explain the technical principles of the present invention, rather than to limit the protection scope of the present invention. Based on the embodiments provided by the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should still fall within the protection scope of the present invention.

[0045] It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "top", "bottom", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for the convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0046] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0047] Refer to the following Figures 1 to 4 The drainage device in some embodiments of the present invention is described in detail. Figure 1 It is a front upper isometric view of the drainage device in some embodiments of the utility model; Figure 2 for Figure 1 a first cross-sectional view of the middle drainage device; Figure 3 for Figure 1 Rear view of the center drain; Figure 4 for Figure 1 A second cross-sectional view of the drainage device.

[0048] It should be noted that, for the convenience of description and to enable those skilled in the art to quickly understand the technical solution of the present invention, the following text only describes the technical features that are strongly related (directly or indirectly related) to the technical problem and / or technical concept to be solved by the present invention, and does not describe the technical features that are weakly related to the technical problem and / or technical concept to be solved by the present invention. Since the technical features with a weaker degree of correlation belong to the common knowledge in the field, even if the present invention does not describe the features with a weaker degree of correlation, it will not lead to insufficient disclosure of the present invention.

[0049] The drainage device 100 of the utility model is suitable for some cleaning equipment with cleaning functions, such as washing machines, dishwashers or sweeping robot base stations. The drainage device 100 is installed on the drainage side of the cleaning equipment, and its water inlet is used to communicate with the sewage end generated inside the cleaning equipment, and the drainage outlet is used to communicate with the outside (sewer / sewage system). The utility model adds an airbag assembly and a drive assembly, compared with the existing sewage system that discharges sewage through a drain valve, a drain pump and a water tank. The existing sewage system has a large volume of the drain pump and the water tank, and the production cost is also high, which is not conducive to large-scale production in the factory. The utility model cancels the setting of the drain pump and the water tank, effectively reducing the production cost of the sewage system, and also reducing the occupation of the sewage system by the internal space of the cleaning equipment.

[0050] like Figures 1 to 4 As shown, in some embodiments of the utility model, a drainage device 100 is provided, which includes a housing 1, a sealing compression member, a driving assembly 4, and a control valve. The housing 1 is used for temporarily storing liquid, and is provided with a water inlet 11, a drainage channel 12, and a drain 13. The control valve is arranged at the water inlet 11 and the drain 13, and is used to control the opening / closing of the water inlet 11 and the drain 13. Specifically, the control valve includes a first control valve 21 and a second control valve 22 arranged at the water inlet 11 and the drain 13. The sealing compression member is configured to drive the first control valve 21 and the second control valve 22 to work simultaneously through its own deformation under the drive of the driving assembly, so as to open or close the water inlet 11 and the drain 13 accordingly. Among them, in response to the water inlet 11 being opened, the sealing compression member causes the liquid outside the housing 1 to flow into the drainage channel 12 through the water inlet 11; in response to the drain 13 being opened, the liquid in the drainage channel 12 flows out of the housing through the drain 13.

[0051] One end of the sealing compression component is tightly connected to the drainage channel 12, and the sealing compression component is configured to be stretched after being subjected to force, so that the first control valve 21 at the water inlet 11 opens, allowing the sewage to be directed into the shell 1; or, the sealing compression component is configured to be compressed after being subjected to force, so that the second control valve 22 at the drain outlet 13 opens, allowing the sewage in the shell 1 to be discharged from the drain outlet 13.

[0052] The housing 1 is configured to be integrally manufactured through an injection molding process.

[0053] Specifically, the housing 1 further includes a water inlet channel and a water outlet channel, the water inlet 11 is connected to the inlet of the water inlet channel, the outlet of the water inlet channel is connected to the drainage channel 12, the inlet of the water outlet channel is connected to the drainage channel 12, and the outlet of the water outlet channel is connected to the drain port 13.

[0054] The directions of the water inlet 11 and the water outlet 13 can be adjusted according to the specific internal structure of the cleaning device. In the present embodiment, the water inlet 11 and the water outlet 13 are both arranged to face downward.

[0055] The height of one end of the drainage channel 12 close to the water inlet 11 is higher than the height of one end of the drainage channel 12 close to the water outlet 13 .

[0056] In some other embodiments of the present invention, one end of the drainage channel 12 close to the drain outlet 13 is configured to be conical, and the drain outlet 13 is located at the center of the cone so that sewage can be discharged from the drain outlet 13 .

[0057] The shell 1 is also provided with an opening, which is communicated with the drainage channel 12 and is used for installing the airbag assembly 3 .

[0058] In some embodiments of the utility model, the sealing compression member is configured as an airbag assembly 3. The airbag assembly 3 is tightly connected to the opening on the housing 1, and the airbag assembly 3 is in communication with the drainage channel 12. The airbag assembly 3 is configured to be stretched after being subjected to force so that negative pressure is formed in the drainage channel 12, so that the water inlet 11 sucks the sewage into the drainage channel 12. Alternatively, the airbag assembly 3 is also configured to be compressed under force so that the sewage in the drainage channel 12 is discharged from the drain port 13.

[0059] The airbag assembly 3 includes an airbag body 31, a top cover 32 and a counterweight 33. The airbag body 31 is in sealed communication with the opening, the output end of the drive assembly 4 is fixedly connected to the top cover 32, and the top cover 32 is fixedly connected to the airbag body 31. The counterweight 33 is located in the airbag body 31 and is fixedly connected to the top of the airbag body 31.

[0060] A connecting portion is provided at the connection between the top cover 32 and the driving assembly 4 , one end of the connecting portion is connected to the top cover 32 , and the other end of the connecting portion is connected to the driving assembly 4 .

[0061] The connecting portion is formed by an upward protrusion in the center of the top cover 32. Alternatively, the connecting portion is fixedly connected to the top cover 32 via a fastener. The fastener can be set as a screw or a rivet.

[0062] The connection portion can be configured as a hook structure, the hook body of the hook structure hooks the driving assembly 4 , and the handle end of the hook structure is connected to the top cover 32 .

[0063] The airbag assembly 3 is further provided with a bracket shell 35 , one end of which is fixedly connected to the opening edge of the shell 1 , and the other end of the bracket shell 35 presses the bottom edge of the airbag body 31 .

[0064] In some further embodiments of the present invention, the airbag assembly 3 further includes a seal, which is disposed at the connection between the bracket shell 35 and the bottom edge of the airbag body 31, and is used to prevent the gas in the shell 1 from leaking from the connection between the airbag body 31 and the opening.

[0065] In other embodiments of the present utility model, the airbag assembly 3 further includes an airbag shell 34 , the bottom edge of the airbag shell 34 is connected to the housing 1 , and the airbag shell 34 is used to shield the airbag body 31 .

[0066] The top of the airbag housing 34 is provided with a clearance hole, and the output end of the drive assembly 4 can pass through the clearance hole to connect with the top cover 32. Specifically, the output end of the transmission member can pass through the clearance hole to connect with the top cover 32.

[0067] In other embodiments of the utility model, the driving assembly 4 includes a motor 41 and a connecting rod assembly, and the connecting rod assembly is connected to the airbag assembly 3. In this embodiment, the driving assembly 4 can directly drive the connecting rod assembly to move, so that the connecting rod assembly compresses or stretches the airbag assembly 3. Specifically, the connecting rod assembly includes a third connecting rod 444, and the output shaft of the motor 41 is connected to the third connecting rod 444. The motor 41 rotates forward to apply a force to the third connecting rod 444 to stretch the airbag assembly 3, so that the sewage is sucked into the drainage channel 12 from the water inlet 11; the motor 41 rotates reversely to apply a force to compress the airbag assembly 3 to the third connecting rod 444, so that the sewage in the drainage channel 12 is discharged from the drain port 13.

[0068] In this embodiment, the first control valve 21 and the second control valve 22 can be configured as electric valves or solenoid valves. In addition, the drainage device 100 further includes a control module, which is electrically connected to the first control valve 21, the second control valve 22 and the motor 41, so that when the motor 41 rotates forward, the first control valve 21 opens the water inlet 11 and the second control valve 22 closes the drainage port 13; or when the motor 41 rotates reversely, the first control valve 21 closes the water inlet 11 and the second control valve 22 opens the drainage port 13.

[0069] It should be noted that the "forward rotation" and "reverse rotation" described in the present invention are relative, and are not "forward rotation" or "reverse rotation" in the true sense. Therefore, those skilled in the art can select the rotation direction of the motor as needed, and this will not be described in detail in the following text.

[0070] The motor 41 includes a motor body and a motor shell. The motor shell has a receiving cavity, and the motor body is received in the motor shell.

[0071] In other embodiments of the present invention, a heat dissipation hole 411 is provided on the housing of the motor 41 for dissipating heat generated during the operation of the motor 41 .

[0072] In other embodiments of the present invention, the driving assembly 4 further includes a gear set and a transmission member. The gear set is connected to the connecting rod assembly through the transmission member, and the motor 41 drives the gear set to rotate, thereby driving the connecting rod assembly to rotate, so that the first control valve 21 and the second control valve 22 are forced to open / close the water inlet 11 or the drain port 13, and the airbag assembly 3 is forced to be compressed or stretched.

[0073] The gear set includes a worm gear set and a reduction gear set, the motor 41 is connected to the worm gear set, the worm gear set is connected to the reduction gear set, and the reduction gear set includes an output gear connected to the transmission member.

[0074] The worm gear assembly includes a worm 421 and a worm wheel 422 . The output shaft of the motor 41 is connected to the worm 421 , and the worm wheel 422 is meshed with the worm 421 .

[0075] Optionally, the connection between the output shaft of the motor 41 and the worm 421 can be set to be connected through a coupling or a key connection.

[0076] The reduction gear set includes a pinion 424 and an output gear, the pinion 424 is coaxially arranged with the worm gear 422 and rotates simultaneously, and the pinion 424 is meshed with the output gear. Specifically, the gear set also includes a first fixed shaft 423 and a second fixed shaft, the pinion 424 and the worm gear 422 are both sleeved on the first fixed shaft 423, and the output gear is sleeved on the second fixed shaft.

[0077] The radius of the pinion gear 424 is smaller than the radius of the output gear.

[0078] The driving assembly 4 further includes a driving housing 45, which is used to accommodate the gear set and the connecting rod assembly. Both ends of the fixed shaft are fixedly connected to the driving housing 45. Specifically, the driving housing 45 includes a first driving housing and a second driving housing, the first driving housing is provided with a first fixing groove, and the second driving housing is provided with a second fixing groove, and both ends of the fixed shaft are respectively fixed in the first fixing groove and the second fixing groove to fix the fixed shaft to the driving housing 45.

[0079] In other embodiments of the present invention, the gear set may also be configured to include only a reduction gear set, the reduction gear set including a pinion 424 and an output gear. The output shaft of the motor 41 is directly connected to the pinion 424, the output gear is meshed with the pinion 424, and the output gear is connected to the transmission member.

[0080] In other embodiments of the present invention, the transmission member is configured as an eccentric disk, which rotates coaxially with the output gear. The eccentric disk includes a disk body and a rotating rod, which rotates coaxially with the output gear, and the rotating rod is connected to the third connecting rod 444.

[0081] In other embodiments of the utility model, the transmission member is configured as two eccentric disks, and an eccentric disk is connected to both ends of the rotating shaft of the output gear, and each eccentric disk rotates coaxially with the output gear. The eccentric disk includes a disk body and a rotating rod, the disk body rotates coaxially with the output gear, and the rotating rod is connected to the connecting rod assembly. Specifically, the eccentric disk includes a first eccentric disk 431 and a second eccentric disk 432, the first eccentric disk 431 includes a first disk body and a first rotating rod 4311, and a first mounting groove is provided on the side of the first disk body away from the first rotating rod 4311, and one end of the second fixed shaft is fixedly connected to the first mounting groove. The first rotating rod 4311 is connected to the connecting rod assembly on the control valve side to drive the first eccentric disk 431 to rotate through the gear assembly, and then the first rotating rod 4311 drives the connecting rod assembly to move up and down, thereby driving the first control valve 21 and the second control valve 22 to open / close the water inlet 11 or the drain outlet 13. The second eccentric disk 432 includes a second disk body and a second rotating rod, a second mounting groove is provided on the side of the second disk body away from the second rotating rod, and the other end of the second fixed shaft is fixedly connected to the second mounting groove. The second rotating rod is connected to the connecting rod assembly on the airbag side, so as to drive the second eccentric disk 432 to rotate through the gear assembly, and then the second rotating rod drives the connecting rod assembly to move up and down, so that the airbag assembly 3 is compressed or stretched.

[0082] The connecting rod assembly includes a third connecting rod 444, one end of which is connected to the rotating rod of the eccentric disk, and the other end is connected to the sealing compression member, so that the sealing compression member is compressed or stretched, that is, the third connecting rod 444 is connected to the airbag assembly 3. In this embodiment, only one connecting rod, namely the third connecting rod 444 and an eccentric disk, is required, and the first control valve 21 and the second control valve 22 are configured as electric valves or solenoid valves. Specifically, the third connecting rod 444 is connected to the airbag assembly 3 through a connecting portion, that is, the third connecting rod 444 is connected to the top cover 32 through a connecting portion.

[0083] In other embodiments of the utility model, the connecting rod assembly also includes a connecting member 441, a first connecting rod 442, and a second connecting rod 443. The motor output shaft can pass through the connecting member and drive the connecting member to rotate; the connecting member 441 is respectively connected to the first connecting rod 442 and the second connecting rod 443, the first connecting rod 442 is connected to the first control valve 21, and the second connecting rod 443 is connected to the second control valve 22; the eccentric disk is configured as two, the first rotating rod 4311 of one eccentric disk (i.e., the first eccentric disk 431) is connected to the connecting member 441, and the second rotating rod of the other eccentric disk (i.e., the second eccentric disk 432) is connected to the third connecting rod 444.

[0084] In other embodiments of the present invention, the connecting member 441 further includes a through hole, a first connecting shaft and a second connecting shaft, and the first rotating rod 4311 can pass through the through hole to connect with the connecting member 441. The end of the first connecting rod 442 is provided with a first positioning hole 4421, and the end of the second connecting rod 443 is provided with a second positioning hole 4431. The first connecting shaft is connected to the first positioning hole 4421, and the second connecting shaft is connected to the second positioning hole 4431.

[0085] Among them, the through hole is located at the center position of the connecting member 441, and the first connecting shaft and the second connecting shaft are located at the two ends of the connecting member 441, so that when the first rotating rod 4311 of the first eccentric disk 431 is driven to rotate, the first connecting shaft can drive the first connecting rod 442 to reach the highest position to open the first control valve 21. At this time, the second connecting rod 443 is in the lowest position and the second control valve 22 is closed; or, when the first rotating rod 4311 of the first eccentric disk 431 is driven to rotate, the second connecting shaft can drive the second connecting rod 443 to reach the highest position to open the second control valve 22. At this time, the first connecting rod 442 is in the lowest position and the first control valve 21 is closed.

[0086] The first positioning hole 4421 and the second positioning hole 4431 are configured as circular holes or bar holes.

[0087] The housing 1 is provided with a first mounting hole and a second mounting hole, and the first connecting rod 442 passes through the first mounting hole to connect with the first control valve 21 , and the second connecting rod 443 passes through the second mounting hole to connect with the second control valve 22 .

[0088] In some examples of this embodiment, the connecting rod assembly is entirely located outside the housing 1. Specifically, the first connecting rod 442 is connected to the first control valve 21, and the first control valve 21 is forced to enter the housing 1 through the first installation port to close the water inlet 11; or, the first control valve 21 is forced to exit the housing 1 from the first installation port to open the water inlet 11. The second connecting rod 443 is connected to the second control valve 22, and the second control valve 22 is forced to enter the housing 1 through the second installation port to close the drain port 13; or, the second control valve 22 is forced to exit the housing 1 from the second installation port to open the drain port 13.

[0089] In some other examples of this embodiment, the connecting rod assembly is partially located inside the housing 1. Specifically, the first connecting rod 442 is connected to the first control valve 21, the motor 41 is running, the first connecting rod 442 can move up and down in the housing 1, when the first connecting rod 442 moves upward, the first control valve 21 opens the water inlet 11; when the first connecting rod 442 moves downward, the first control valve 21 closes the water inlet 11. The second connecting rod 443 is connected to the second control valve 22, the motor 41 is running, the second connecting rod 443 can move up and down in the housing 1, when the second connecting rod 443 moves upward, the second control valve 22 opens the drain port 13; when the second connecting rod 443 moves downward, the second control valve 22 closes the drain port 13.

[0090] In some further examples of this embodiment, the connecting rod assembly further includes a first sliding bracket 4451 and a second sliding bracket 4452 , wherein the first sliding bracket 4451 is disposed between the first connecting rod 442 and the first control valve 21 ; and the second sliding bracket 4452 is disposed between the second connecting rod 443 and the second control valve 22 .

[0091] In some other examples of this embodiment, the connecting rod assembly further includes a shock absorbing block, and a shock absorbing block is sleeved on the outer side of the first sliding bracket 4451 and the second sliding bracket 4452. Specifically, the shock absorbing block includes a first shock absorbing block 4471 and a second shock absorbing block 4472, one end of the first shock absorbing block 4471 abuts against the inner edge of the first installation port, and the other end of the second shock absorbing block 4472 abuts against the edge of the water inlet 11. One end of the second shock absorbing block 4472 abuts against the inner edge of the second installation port, and the other end of the second shock absorbing block 4472 abuts against the edge of the drain port 13.

[0092] The first shock absorbing block 4471 and the second shock absorbing block 4472 are both flexible parts.

[0093] In some other examples of this embodiment, the first shock-absorbing block 4471 and the second shock-absorbing block 4472 are both configured as hollow columns, and the inner sides of the first shock-absorbing block 4471 and the second shock-absorbing block 4472 are respectively recessed toward their corresponding sliding brackets to form a locking position; the first sliding bracket 4451 and the second sliding bracket 4452 are provided with a guide block 446, and the guide block 446 is locked with the locking position of the shock-absorbing block, so that the shock-absorbing block can offset the thrust caused by the pressure difference between the diversion channel and the outside of the channel at the moment the control valve is opened.

[0094] The two guide blocks 446 are respectively made integrally with the first sliding bracket 4451 and the second sliding bracket 4452. Alternatively, the two guide blocks 446 are respectively fixedly connected with the first sliding bracket 4451 and the second sliding bracket 4452. Specifically, the two guide members are provided with guide holes, and the first sliding bracket 4451 and the second sliding bracket 4452 are provided with transverse through holes. The driving assembly 4 also includes a positioning pin, and the positioning pin is passed through the through hole of the first sliding bracket 4451 and the guide hole of the first guide member in sequence to fix the first sliding bracket 4451 with one guide member; the positioning pin is passed through the through hole of the second sliding bracket 4452 and the guide hole of another guide member in sequence to fix the second sliding bracket 4452 with another guide member. Alternatively, the two guide blocks 446 are both provided with a clamping structure, and the clamping structure can be clamped with the first sliding bracket 4451 and the second sliding bracket 4452 respectively, so that the two guide members are respectively fixedly connected with the first sliding bracket 4451 and the second sliding bracket 4452.

[0095] In some other examples of this embodiment, the first shock absorbing block 4471 and the second shock absorbing block 4472 are both configured as hollow corrugated column structures, and the first sliding bracket 4451 and the second sliding bracket 4452 are provided with a guide block 446, which is engaged with the raised position of the shock absorbing block.

[0096] In other embodiments of the utility model, the first control valve 21 and the second control valve 22 are both configured as piston valves. The first control valve 21 includes a first piston rod and a first piston, the two ends of the first piston rod are respectively connected to the first connecting rod 442 and the first piston, and the first piston rod is controlled to be able to reciprocate in its extension direction so that the first piston opens / closes the water inlet 11. The second control valve 22 includes a second piston rod and a second piston, the two ends of the second piston rod are respectively connected to the second connecting rod 443 and the second piston, and the second piston rod is controlled to be able to reciprocate in its extension direction so that the second piston opens / closes the drain port 13.

[0097] In other examples of the embodiment, the first control valve 21 further includes a first sealing ring, which is sleeved on the outer periphery of the first piston. The second control valve 22 further includes a second sealing ring, which is sleeved on the outer periphery of the second piston.

[0098] The working principle of the drainage device 100 of the utility model is briefly described below:

[0099] During the water intake process of the drainage device 100, the control motor 41 starts to run to drive the worm turbine assembly to engage, so that the pinion 424 and the worm wheel 422 rotate coaxially and simultaneously, the pinion 424 engages with the output gear, the two eccentric disks rotate coaxially with the output gear, and the rotating rod on one eccentric disk drives the connecting member 441 to rotate, so that the first connecting rod 442 is at the highest point, and the first control valve 21 is opened, the second connecting rod 443 is at the lowest point, and the second control valve 22 is closed; at the same time, the second rotating rod on the other eccentric disk drives the third connecting rod 444 to move, so that the third connecting rod 444 is at the highest point, so that the airbag assembly 3 is stretched, and at this time negative pressure is formed in the drainage channel 12, and the sewage is sucked from the water inlet 11 into the drainage channel 12.

[0100] During the drainage process of the drainage device 100, the control motor 41 starts to run to drive the worm turbine assembly to engage, so that the pinion 424 and the worm wheel 422 rotate coaxially and simultaneously, the pinion 424 engages with the output gear, the two eccentric disks rotate coaxially with the output gear, and the rotating rod on one eccentric disk drives the connecting member 441 to rotate, so that the first connecting rod 442 is at the lowest point, the first control valve 21 is closed, the second connecting rod 443 is at the highest point, and the second control valve 22 is opened; at the same time, the second rotating rod on the other eccentric disk drives the third connecting rod 444 to move, so that the third connecting rod 444 is at the lowest point, so that the airbag assembly 3 is compressed, and the air in the drainage channel 12 is compressed at this time to discharge the sewage in the drainage channel 12 from the drain outlet 13 to the outside.

[0101] Those skilled in the art can understand that the utility model adds an airbag assembly 3 and a drive assembly 4 in the drainage device 100, so that the airbag assembly 3 is connected to the drainage channel 12, and control valves are set at the water inlet 11 and the drainage port 13. Under the drive of the drive assembly 4, the airbag assembly 3 is stretched and the first control valve 21 is opened, so that negative pressure is formed in the housing 1 to suck sewage from the water inlet 11 into the drainage channel 12; or, the airbag assembly 3 is compressed and the second control valve 22 is opened to discharge the sewage in the drainage channel 12 from the drainage port 13. The utility model eliminates the setting of the drainage pump and the water tank in the existing drainage device 100, effectively reduces the manufacturing cost of the drainage device 100, and also reduces the occupation of the internal space of the cleaning equipment by the sewage discharge system.

[0102] So far, the technical solution of the utility model has been described in combination with the above multiple embodiments, but it is easy for those skilled in the art to understand that the protection scope of the utility model is not limited to these specific embodiments. Without departing from the technical principle of the utility model, those skilled in the art can split and combine the technical solutions in the above embodiments, and can also make equivalent changes or replacements to the relevant technical features. Any changes, equivalent replacements, improvements, etc. made within the technical concept and / or technical principle of the utility model will fall within the protection scope of the utility model.

Claims

1. A drainage device, characterized in that: include: A shell, used for temporarily storing liquid, comprising a water inlet, a drainage channel and a drain outlet which are connected in sequence; a first control valve located at the water inlet and a second control valve located at the water outlet; A driving component for generating a driving force; The sealing compression member is configured to drive the first control valve and the second control valve to work simultaneously through its own deformation under the drive of the driving component, so as to open or close the water inlet and the drain port accordingly; wherein, in response to the water inlet being opened, the liquid outside the shell flows into the drainage channel through the water inlet; in response to the drain port being opened, the liquid in the drainage channel flows out of the shell through the drain port.

2. The drainage device according to claim 1, characterized in that: One end of the sealing compression member is in communication with the drainage channel; The sealing compression member is configured to be compressed by force and simultaneously open the first control valve and close the second control valve; or to be stretched by force and simultaneously open the second control valve and close the first control valve.

3. The drainage device according to claim 2, characterized in that: The driving assembly includes a motor and a connecting rod assembly. The motor is used to drive the connecting rod assembly. The connecting rod assembly is respectively connected to the sealing compression member, the first control valve and the second control valve.

4. The drainage device according to claim 3, characterized in that: The driving assembly further comprises a gear set and a transmission member, wherein the transmission member is respectively connected to the gear set and the connecting rod assembly; The gear set rotates under the drive of the motor, and then drives the connecting rod assembly to move through the transmission member.

5. The drainage device according to claim 4, characterized in that: The transmission member includes an eccentric disk and a rotating rod, the gear set includes an output gear, one end of the rotating shaft of the output gear is connected to the eccentric disk, and the eccentric disk rotates coaxially with the output gear; the rotating rod is connected between the eccentric disk and the connecting rod assembly.

6. The drainage device according to claim 5, characterized in that: The connecting rod assembly includes a third connecting rod, one end of which is connected to the rotating rod, and the other end is connected to the sealing compression component. Driven by the rotating rod, the third connecting rod causes the sealing compression component to deform and be in a compressed or stretched state.

7. The drainage device according to claim 6, characterized in that: The connecting rod assembly further includes a connecting member, a first connecting rod and a second connecting rod, and the motor output shaft of the motor can pass through the connecting member and drive the connecting member to rotate; the connecting member is connected to the first connecting rod and the second connecting rod respectively; the first connecting rod is connected to the first control valve, and the second connecting rod is connected to the second control valve; The eccentric disks are configured in two, the first rotating rod of one eccentric disk is connected to the connecting member, and the second rotating rod of the other eccentric disk is connected to the third connecting rod.

8. The drainage device according to claim 7, characterized in that: The first control valve and the second control valve are both configured as piston valves; The first control valve comprises a first piston rod and a first piston, the two ends of the first piston rod are respectively connected to the first connecting rod and the first piston, and the first piston rod is controlled to reciprocate in its extension direction so that the first piston opens / closes the water inlet; The second control valve includes a second piston rod and a second piston. The two ends of the second piston rod are respectively connected to the second connecting rod and the second piston. The second piston rod is controlled to make reciprocating motion in its extension direction so that the second piston opens / closes the drain port.

9. The drainage device according to claim 8, characterized in that: The first control valve further comprises a first sealing ring, wherein the first sealing ring is sleeved on the outer periphery of the first piston; The second control valve further includes a second sealing ring, and the second sealing ring is sleeved on the outer circumference of the second piston.

10. The drainage device according to claim 8, characterized in that: The connecting rod assembly further comprises a first sliding bracket and a second sliding bracket, wherein the first sliding bracket is arranged between the first connecting rod and the first piston rod; the second sliding bracket is arranged between the second connecting rod and the second piston rod; and / or, The connecting rod assembly also includes a shock absorbing block, and one shock absorbing block is sleeved on the outer side of each of the first sliding bracket and the second sliding bracket.

11. The drainage device according to claim 10, characterized in that: The housing is provided with a first mounting hole and a second mounting hole. The shock absorbing block includes a first shock absorbing block and a second shock absorbing block. One end of the first shock absorbing block abuts against the inner edge of the first mounting hole, and the other end of the second shock absorbing block abuts against the edge of the water inlet; One end of the second shock-absorbing block abuts against the inner edge of the second mounting hole, and the other end of the second shock-absorbing block abuts against the edge of the drain port.

12. The drainage device according to claim 11, characterized in that: The first shock absorbing block and the second shock absorbing block are both configured as hollow corrugated column structures. The first sliding bracket and the second sliding bracket are provided with guide blocks, and the guide blocks are clamped with the raised positions of the shock absorbing blocks.

13. The drainage device according to claim 6, characterized in that: The sealing compression member is configured as an airbag assembly, which includes an airbag body, a top cover and a counterweight; an opening is provided on the shell, the airbag body is in sealed communication with the opening, the third connecting rod is connected to the top cover, and the top cover is fixedly connected to the airbag body; The counterweight is located in the airbag body and is connected to the top of the airbag body.

14. The drainage device according to claim 13, characterized in that: The airbag assembly includes an airbag housing, the bottom edge of which is connected to the housing; The top of the airbag housing is provided with a clearance hole, and the third connecting rod can pass through the clearance hole to be connected with the top cover.

15. The drainage device according to claim 14, characterized in that: The airbag assembly is further provided with a bracket shell, one end of which is connected to the edge of the shell opening, and the other end of which presses the bottom edge of the airbag body; and / or, The airbag assembly further includes a seal, which is disposed at the connection between the support shell and the bottom edge of the airbag body, and is used to prevent the gas in the shell from leaking from the connection between the airbag body and the opening.

16. The drainage device according to claim 7, characterized in that: The connecting member further comprises a through hole, a first connecting shaft and a second connecting shaft, and the first rotating rod can pass through the through hole to be connected to the connecting member; A first positioning hole is disposed at the end of the first connecting rod, and a second positioning hole is disposed at the end of the second connecting rod; the first connecting shaft is connected to the first positioning hole, and the second connecting shaft is connected to the second positioning hole.

17. The drainage device according to claim 16, characterized in that: The first positioning hole and the second positioning hole are configured as circular holes or bar holes.

18. The drainage device according to claim 11, characterized in that: The first connecting rod passes through the first mounting hole and is connected to the first control valve; the second connecting rod passes through the second mounting hole and is connected to the second control valve.

19. The drainage device according to claim 4, characterized in that: The gear set includes a worm gear set and a reduction gear set, the motor is connected to the worm gear set, and the worm gear set is connected to the reduction gear set; The reduction gear set comprises an output gear connected to the transmission member.

20. The drainage device according to claim 19, characterized in that: The worm and worm gear set comprises a worm and a worm wheel, the motor output shaft is connected to the worm, and the worm wheel is meshed with the worm; The reduction gear set further comprises a pinion gear, which is coaxially arranged with the worm gear and rotates simultaneously, and the pinion gear is meshed with the output gear; The radius of the pinion gear is smaller than the radius of the output gear.

21. The drainage device according to claim 1, characterized in that: The height of one end of the drainage channel close to the water inlet is higher than the height of one end of the drainage channel close to the drain outlet; One end of the drainage channel close to the drain port is configured as a cone, and the drain port is located at the center of the cone.

22. The drainage device according to claim 4, characterized in that: The drive assembly further comprises a drive housing, wherein the drive housing is used to accommodate the gear set and the connecting rod assembly; and / or, The housing of the motor is provided with heat dissipation holes for dissipating heat generated during the operation of the motor.

23. A cleaning device, characterized in that: A drainage device comprising the drainage device described in any one of claims 1 to 22.

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