Parallel-operating water filling and wastewater discharging mechanism for sweeper

Abstract

A parallel-operating water filling and wastewater discharging mechanism for a sweeper, relating to the field of robotic vacuum cleaners. A sweeper is provided with a clear water filling hole and a wastewater discharging valve. The parallel-operating water filling and wastewater discharging mechanism comprises a fixed seat (10), a sliding support (41) in sliding fit with the fixed seat (10), and a power device (42) used for driving the sliding support (41) to slide; the fixed seat (10) is internally provided with a sliding channel (11) in sliding fit with the sliding support (41); the fixed seat (10) is provided with a telescopic clear water filling connector (20) and a telescopic wastewater discharging ejector rod (30); the clear water filling connector (20) can be connected to the clear water filling hole; the wastewater discharging ejector rod (30) can be connected to the wastewater discharging valve; and the power device (42) drives the sliding support (41) to slide in the sliding channel (11), so as to drive the clear water filling connector (20) and the wastewater discharging ejector rod (30) to extend and retract simultaneously, thereby synchronously performing clear water filling and wastewater discharging on the sweeper. In this way, clear water filling and wastewater discharging are performed simultaneously, thereby simplifying the working logic of the sweeper in a base station, improving the working efficiency, and reducing the costs of the power device.

Description

A one-to-two plus drainage mechanism for a sweeper

[0001] This application claims priority to the Chinese patent application filed with the Patent Office of China on June 30, 2023, with application number CN202310785997.5 and invention name “A one-to-two plus drainage mechanism for a sweeping machine”, the entire contents of which are incorporated by reference into this application. Technical Field

[0002] The present invention relates to the field of sweeping robots, and in particular to a one-to-two plus drainage mechanism for sweeping robots. Background Art

[0003] The sweeper has a clean water tank and a sewage tank, and the base station has a clean water bucket and a sewage bucket. The base station can maintain the sweeper. For example, when the clean water tank of the sweeper is used up or the sewage tank is full, the clean water bucket of the base station will add clean water to the clean water tank of the sweeper, and the sewage in the sewage tank of the sweeper will be collected by the sewage bucket of the base station.

[0004] Currently, the sweeping robots on the market all adopt a single active water adding or drainage method, and the two cannot be carried out simultaneously, which brings inconvenience to users.

[0005] Summary of the Invention

[0006] In response to the above problems, the present invention provides a one-to-two plus drainage mechanism for a sweeper, which can add clean water and drain sewage at the same time, simplify the working logic of the sweeper in the base station, and improve work efficiency.

[0007] The technical solution adopted in the present invention is:

[0008] A one-to-two drainage mechanism for a sweeper includes a fixed seat, on which a retractable fresh water adding joint and a sewage draining top rod are provided. The fixed seat is also provided with a driving mechanism for driving the fresh water adding joint and the sewage draining top rod to be retracted and extended. The driving mechanism includes a sliding bracket slidably mounted on the fixed seat for driving the fresh water adding joint and the sewage draining top rod to be retracted and extended, and a power device for driving the sliding bracket to slide. A sliding channel is provided in the fixed seat and slidably cooperates with the sliding bracket.

[0009] Preferably, the sliding bracket is provided with an upper wedge-shaped surface for driving the fresh water adding joint and the sewage draining top rod to extend and retract; the fresh water adding joint and the sewage draining top rod are both provided with a lower wedge-shaped surface or a push rod that cooperates with the upper wedge-shaped surface.

[0010] Preferably, the sliding bracket is provided with an oblique travel guide groove for driving the fresh water adding joint and the sewage discharge top rod to extend and retract; the fresh water adding joint and the sewage discharge top rod are both provided with a connecting rod that cooperates with the oblique travel guide groove.

[0011] Preferably, the power device is a motor, and the driving mode adopted by the motor and the sliding bracket is: rack and pinion transmission, cam transmission or synchronous belt transmission.

[0012] Preferably, an upper limit switch and a lower limit switch for limiting the lifting and lowering displacement of the sliding bracket are installed on the fixed seat, and a protrusion that cooperates with the upper limit switch and the lower limit switch is provided on the sliding bracket; the upper limit switch and the lower limit switch are both connected to the main control system, and the main control system is also connected to the power device.

[0013] Preferably, the sliding bracket includes a main frame body and side brackets arranged on both sides of the main frame body, each side bracket is provided with two parallel oblique travel guide grooves; the main frame body is also provided with a travel limit groove, and the fixed seat is provided with a limit column that cooperates with the thread limit groove.

[0014] Preferably, the fresh water adding joint is connected to a first connecting rod, and the fresh water adding joint is located between two oblique travel guide grooves of a side bracket, and both ends of the first connecting rod respectively pass through the two oblique travel guide grooves on the side bracket.

[0015] More preferably, a first connecting rod is provided at one end of the fresh water adding joint, a water outlet is provided at the other end of the fresh water adding joint, and a water inlet is provided on the first connecting rod and communicated with the fresh water adding joint.

[0016] More preferably, a sealing ring is sleeved on the fresh water adding joint.

[0017] Preferably, the sewage discharge top rod is connected to a second connecting rod, the sewage discharge top rod is located between two oblique travel guide grooves of the other side bracket, and both ends of the second connecting rod respectively pass through the two oblique travel guide grooves on the side bracket.

[0018] Compared with the prior art, the beneficial effect of the present invention is that: the present invention provides a one-to-two drainage mechanism for a sweeping machine. When the power device drives the sliding bracket to move up and down, it can simultaneously drive the fresh water adding joint and the sewage draining top rod to extend and retract. The fresh water adding joint can be inserted into the water inlet pipe in the sweeping machine for connection, and the sewage draining top rod can push open the sewage drain valve in the sweeping machine. In this way, fresh water can be added and sewage can be drained at the same time, which can streamline the working logic of the sweeping machine in the base station and improve work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] FIG1 is a schematic diagram of a one-to-two plus drainage mechanism for a sweeper provided by the present invention;

[0020] FIG2 is a second schematic diagram of a one-to-two plus drainage mechanism for a sweeper provided by the present invention;

[0021] FIG3 is a third schematic diagram of a one-to-two plus drainage mechanism for a sweeper provided by the present invention;

[0022] FIG4 is an exploded view of a one-to-two plus drainage mechanism for a sweeper provided by the present invention;

[0023] FIG5 is a schematic diagram of a fixing seat in a one-to-two plus drainage mechanism for a sweeper provided by the present invention;

[0024] FIG6 is a schematic diagram of a sliding bracket in a one-to-two plus drainage mechanism for a sweeper provided by the present invention;

[0025] FIG7 is a schematic diagram of a water adding connector in a one-to-two plus drainage mechanism for a sweeper provided by the present invention;

[0026] FIG8 is a schematic diagram of a sewage drain rod in a one-to-two plus drainage mechanism for a sweeper provided by the present invention;

[0027] FIG9 is a schematic diagram of a bracket in a one-to-two plus drainage mechanism for a sweeper provided by the present invention;

[0028] FIG10 is a schematic diagram of a one-to-two plus drainage mechanism for a sweeper provided by the present invention installed on a base station housing;

[0029] FIG11 is a cross-sectional view AA of a one-to-two plus drainage mechanism for a sweeper provided by the present invention installed on a base station housing;

[0030] FIG12 is a cross-sectional view BB of a one-to-two plus drainage mechanism for a sweeping machine provided by the present invention installed on a base station housing. DETAILED DESCRIPTION

[0031] The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

[0032] Figures 1 to 9 show a one-to-two water supply and drainage mechanism for a sweeper provided by the present invention. As shown in Figures 1 to 9, the one-to-two water supply and drainage mechanism for a sweeper includes a fixed seat 10, on which a retractable fresh water supply connector 20 and a sewage discharge top rod 30 are provided. The fixed seat is also provided with a driving mechanism for driving the fresh water supply connector and the sewage discharge top rod to retract and retract. The driving mechanism includes a sliding bracket 41 slidably mounted on the fixed seat for driving the fresh water supply connector and the sewage discharge top rod to retract and retract, and a power device 42 for driving the sliding bracket to slide. The fixed seat 10 is provided with a sliding channel 11 that slides with the sliding bracket. In this way, the power device 42 is used to drive the sliding bracket 41 to slide up and down in the sliding channel 11 in the fixed seat 10, driving the fresh water supply connector 20 and the sewage discharge top rod 30 to retract and retract, thereby realizing the synchronous fresh water supply and sewage discharge of the sweeper, streamlining the working logic of the sweeper in the base station, and improving work efficiency.

[0033] As a preferred embodiment, the sliding bracket 41 is provided with an upper wedge-shaped surface for driving the fresh water adding joint and the sewage discharge top rod to extend and retract; the fresh water adding joint and the sewage discharge top rod are both provided with a lower wedge-shaped surface or a push rod that cooperates with the upper wedge-shaped surface; when the sliding bracket 41 slides downward, the upper wedge-shaped surface on the sliding bracket 41 cooperates with the lower wedge-shaped surface or the push rod on the fresh water adding joint and the sewage discharge top rod to drive the fresh water adding joint and the sewage discharge top rod to extend, and when the sliding bracket 41 slides upward, it can cooperate with the reset member to drive the fresh water adding joint and the sewage discharge top rod to retract.

[0034] As shown in FIG6 , as another preferred embodiment, the sliding bracket 41 is provided with an oblique travel guide groove 411 for driving the fresh water supply connector and the sewage discharge push rod to extend and retract. Both the fresh water supply connector and the sewage discharge push rod are provided with connecting rods that cooperate with the oblique travel guide groove. When the sliding bracket 41 slides downward, the oblique travel guide groove 411 cooperates with the connecting rods to drive the fresh water supply connector and the sewage discharge push rod to extend and retract. The oblique travel guide groove 411 includes an inclined section 4111 and a locking section 4112.

[0035] The power device 42 is a motor, and the driving mode adopted by the motor and the sliding bracket is: rack and pinion transmission, cam transmission or synchronous belt transmission, and any transmission mode can be used to drive the sliding bracket 41 to slide up and down. In addition, the power device 42 can also be a linear motor, which uses a linear motor to drive the sliding bracket to slide up and down.

[0036] As shown in Figure 4, as a preferred embodiment, the power device 42 is a motor, which is installed on the fixed base 10 through a bracket 43. A gear 421 is connected to the output shaft of the motor, and a rack 422 meshing with the gear 421 is provided on the sliding bracket. The motor drives the gear 421 to rotate, and the gear 421 meshes with the rack 422, thereby driving the sliding bracket 41 to move up and down.

[0037] The fixed seat 10 is equipped with an upper limit switch 12 and a lower limit switch 13 for limiting the lifting displacement of the sliding bracket. The sliding bracket 41 is provided with a protrusion 412 that cooperates with the upper limit switch and the lower limit switch. The upper limit switch 12 and the lower limit switch 13 are both connected to the main control system, which is also connected to the power unit. When the sliding bracket 41 slides upward until the protrusion 412 touches the upper limit switch 12, the upper limit switch sends a signal to the main control system, which sends a signal to the power unit, causing the power unit 42 to stop driving the sliding bracket 41 upward. When the sliding bracket 41 slides downward until the protrusion 412 touches the lower limit switch 13, the upper limit switch sends a signal to the main control system, which sends a signal to the power unit, causing the power unit 42 to stop driving the sliding bracket 41 downward. In the embodiment shown in Figure 4, the power unit 42 is a motor, and the main control system sends a signal to the motor to stop rotating.

[0038] As shown in FIG6 , the sliding bracket 41 includes a main frame 4101 and side brackets 4102 arranged on both sides of the main frame, each side bracket being provided with two parallel oblique travel guide grooves 411; the main frame is also provided with a travel limit groove 41011, and the fixing seat 10 is provided with a limit column 101 that cooperates with the thread limit groove. The travel limit groove 41011 cooperates with the limit column 101 to limit the up and down sliding displacement of the sliding bracket 41. As shown in FIG9 , the limit column 101 is set on the bracket 43. It is worth noting that, depending on the different positions of the fresh water filling hole and the sewage discharge valve provided on the sweeper, the inclination of the oblique travel guide groove 411 on the side bracket 4102 corresponding to the fresh water filling joint 20 and the oblique travel guide groove 411 on the side bracket 4102 corresponding to the sewage discharge push rod 30 are not exactly the same.

[0039] As shown in FIG7 , the water supply connector 20 is connected to a first connecting rod 21. The water supply connector 20 is located between two oblique travel guide grooves 411 of a side bracket 4102. The two ends of the first connecting rod 21 respectively pass through the two oblique travel guide grooves 411 on the side bracket. When the sliding bracket 41 slides up and down, the two oblique travel guide grooves 411 cooperate with the first connecting rod 21 on the water supply connector 20. The inclined section 4111 in the inclined guide groove 41 drives the first connecting rod 21 to slide during the up and down movement, thereby allowing the water supply connector 20 to extend and retract. When the first connecting rod 21 is in the locking section 4112 in the inclined guide groove 41, the position of the water supply connector 20 can be maintained unchanged. As shown in FIG7 , the water supply connector 20 is provided with a first connecting rod at one end and a water outlet 202 at the other end. The first connecting rod is provided with a water inlet 201 connected to the water supply connector, so that external clean water is introduced into the sweeper through the water supply connector 20. The water supply connector 20 is sleeved with a sealing ring 203, which is arranged at the end of the water supply connector 20 with the water outlet. As shown in Figure 11, when the water supply connector 20 is inserted into the water supply hole in the sweeper, the water outlet hole 202 on the end of the water supply connector 20 mates with the water inlet hole of the water tank on the sweeper, and the sealing ring 203 seals the water supply hole in the sweeper to prevent leakage.

[0040] As shown in Figure 8, the sewage ejector rod 30 is connected to a second connecting rod 31. The sewage ejector rod is located between the two oblique travel guide grooves 411 of the other side bracket 4102, with the two ends of the second connecting rod 31 respectively passing through the two oblique travel guide grooves on the side bracket. The inclined section 4111 in the inclined guide groove 41 drives the second connecting rod 31 to slide during the up and down movement, thereby allowing the sewage ejector rod 30 to extend and retract. When the second connecting rod 31 is in the locking section 4112 in the inclined guide groove 41, the position of the sewage ejector rod 30 is maintained. As shown in Figure 12, when the sewage ejector rod 30 is extended, it pushes open the sewage ejector valve on the sweeper, allowing the sewage in the sewage tank inside the sweeper to flow into the base of the base station.

[0041] In summary, the technical solution of the present invention can fully and effectively achieve the above-mentioned invention objectives, and the structure and functional principles of the present invention have been fully verified in the embodiments and can achieve the expected effects and purposes. Without departing from the principles and essence of the present invention, various changes or modifications can be made to the embodiments of the invention. Therefore, the present invention includes all replacement contents within the scope mentioned in the scope of the patent application, and any equivalent changes made within the scope of the patent application of the present invention are within the scope of the patent application of this case.

Claims

1. A one-to-two drainage mechanism for a sweeper, the sweeper is provided with a fresh water filling hole and a sewage discharge valve, characterized in that: The one-to-two water addition and drainage mechanism includes a fixed seat, a sliding bracket that slidably cooperates with the fixed seat, and a power device for driving the sliding bracket to slide. The fixed seat is provided with a sliding channel that slidably cooperates with the sliding bracket. The fixed seat is provided with a retractable fresh water addition joint and a sewage discharge top rod. The fresh water addition joint can be docked with the fresh water addition hole, and the sewage discharge top rod can be docked with the sewage discharge valve. The power device drives the sliding bracket to slide in the sliding channel, driving the fresh water addition joint and the sewage discharge top rod to retract and retract at the same time, so as to synchronously add fresh water and discharge sewage to the sweeper.

2. The one-to-two plus drainage mechanism for a sweeper according to claim 1, characterized in that: The power device drives the sliding bracket to slide up and down in the sliding channel in the fixing seat.

3. The one-to-two plus drainage mechanism for a sweeper according to claim 2, characterized in that: The sliding bracket is provided with an upper wedge-shaped surface for driving the fresh water adding joint and the sewage discharge push rod to extend and retract; the fresh water adding joint and the sewage discharge push rod are both provided with a lower wedge-shaped surface or a push rod matched with the upper wedge-shaped surface.

4. The one-to-two plus drainage mechanism for a sweeper according to claim 1 or 2, characterized in that: The sliding bracket is provided with an oblique travel guide groove for driving the fresh water adding joint and the sewage discharge top rod to extend and retract; the fresh water adding joint and the sewage discharge top rod are both provided with a connecting rod that cooperates with the oblique travel guide groove.

5. The one-to-two plus drainage mechanism for a sweeper according to claim 1, characterized in that: The sliding bracket comprises a main frame and side brackets arranged on both sides of the main frame, the two side brackets correspond to the fresh water supply joint and the sewage discharge top rod respectively, and each side bracket is provided with two parallel oblique travel guide grooves; and / or, The sliding bracket comprises a main frame body and side brackets arranged on both sides of the main frame body. The main frame body is also provided with a travel limit groove, and the fixed seat is provided with a limit column matched with the travel limit groove.

6. The one-to-two plus drainage mechanism for a sweeper according to claim 5, characterized in that: The fresh water adding joint is connected with a first connecting rod, which is located between two oblique travel guide grooves of the corresponding side bracket. Two ends of the first connecting rod respectively pass through the two oblique travel guide grooves on the side bracket and can slide along the oblique travel guide grooves.

7. The one-to-two plus drainage mechanism for a sweeper according to claim 5, characterized in that: One end of the fresh water adding joint is provided with a first connecting rod which can slide in the oblique travel guide groove, and the other end of the fresh water adding joint is provided with a water outlet hole which can be connected with the fresh water adding hole, and the first connecting rod is provided with a water inlet hole which is connected with the fresh water adding joint.

8. The one-to-two plus drainage mechanism for a sweeper according to claim 5, characterized in that: The sewage discharge top rod is connected to a second connecting rod, and the sewage discharge top rod is located between two oblique travel guide grooves of the corresponding side bracket. Both ends of the second connecting rod respectively pass through the two oblique travel guide grooves on the side bracket and can slide along the oblique travel guide grooves.

9. The one-to-two plus drainage mechanism for a sweeper according to claim 1, characterized in that: The power device is a motor, and the driving mode adopted by the motor and the sliding bracket is: gear rack transmission, cam transmission or synchronous belt transmission.

10. The one-to-two plus drainage mechanism for a sweeper according to claim 1, characterized in that: The fixing seat is provided with an upper limit switch and a lower limit switch for limiting the lifting and lowering displacement of the sliding bracket, and the sliding bracket is provided with a protrusion that cooperates with the upper limit switch and the lower limit switch; the upper limit switch and the lower limit switch are both connected to the main control system, and the main control system is also connected to the power device.

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