CN216776890U - Promote structure, water injection structure and basic station - Google Patents

Abstract

The utility model provides a lifting structure, a water injection structure and a base station, which are applied to cleaning equipment, wherein the lifting structure comprises a top rod, a transmission gear set connected with the top rod, a shaft rod connected with the transmission gear set and a pressing piece fixedly connected with the shaft rod, the transmission gear set comprises a first transmission gear and a second transmission gear meshed with the first transmission gear, a through hole is formed in the first transmission gear, and the shaft rod penetrates through the through hole and is fixedly connected with the first transmission gear, so that when the pressing piece is pressed, the shaft rod, the first transmission gear and the second transmission gear can be driven to synchronously rotate, and the top rod is lifted. The utility model not only has simple structure, but also can automatically complete the water injection to the cleaning equipment.

Description

Promote structure, water injection structure and basic station

Technical Field

The utility model relates to a lifting structure, a water injection structure and a base station, and belongs to the field of cleaning equipment.

Background

At present, the base station of the sweeping robot on the market can seldom add the clear water for the sweeping robot automatically, and discharge the sewage stored in the sweeping robot, generally, the clear water is required to be manually added into the sweeping robot or the sewage is discharged, so that the sweeping robot is very inconvenient, and the user experience feeling is poor.

In view of the above, a lifting structure, a water injection structure and a base station are needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a lifting structure, which is used for simplifying the structure and can effectively realize automatic lifting.

In order to achieve the above purpose, the present invention provides a lifting structure applied to a cleaning device, the lifting structure includes a top rod, a transmission gear set connected to the top rod, a shaft rod connected to the transmission gear set, and a pressing member fixedly connected to the shaft rod, the transmission gear set includes a first transmission gear and a second transmission gear meshed with the first transmission gear, a through hole is formed in the first transmission gear, and the shaft rod passes through the through hole and is fixedly connected to the first transmission gear, so that when the pressing member is pressed, the shaft rod, the first transmission gear and the second transmission gear can be driven to synchronously rotate, and the top rod is lifted.

As a further improvement of the utility model, the lifting structure further comprises a connecting plate for connecting the second transmission gear and the ejector rod, and one end of the connecting plate is provided with a fixing groove for fixing the ejector rod.

As a further improvement of the utility model, one end of the ejector rod is provided with a positioning shaft, and the positioning shaft is clamped into the fixing groove so as to movably connect the ejector rod with the connecting plate.

As a further improvement of the present invention, the pressing element is fixed at one end of the shaft rod far away from the second transmission gear, the pressing element includes a pressing body and a table post connected with the pressing body, the table post is fixedly connected with the shaft rod, and the pressing body is arranged at one side of the shaft rod in a suspending manner so as to drive the shaft rod to rotate when the pressing body is pressed.

The utility model aims to provide a water injection structure, which is used for better automatically adding water for cleaning equipment.

In order to achieve the purpose, the utility model also provides a water injection structure which is applied to cleaning equipment, a water tank and a water inlet are arranged in the cleaning equipment, the water injection structure comprises a tray and a lifting structure accommodated in the tray, the lifting structure comprises a mandril, a transmission gear set connected with the mandril, a shaft lever connected with the transmission gear set and a pressing piece fixedly connected with the shaft lever, and the transmission gear set can be driven to lift the mandril when the pressing piece is pressed; the tray is used for accommodating the cleaning equipment, and is provided with an opening through which the ejector rod penetrates; the pressing piece is exposed to the tray; the opening corresponds to the water inlet, so that when the cleaning equipment is stored in the tray and touches the pressing piece, the pressing piece can be pressed and the transmission gear set is driven to rotate, the ejector rod extends upwards and is inserted into the water inlet, and water is injected into the water tank in the cleaning equipment.

As a further improvement of the present invention, the transmission gear set includes a first transmission gear and a second transmission gear engaged with the first transmission gear, the first transmission gear is provided with a through hole, and the shaft rod passes through the through hole and is fixedly connected to the first gear.

As a further improvement of the utility model, the lifting structure further comprises a connecting plate for connecting the second transmission gear and the ejector rod, and one end of the connecting plate is provided with a fixing groove for fixing the ejector rod; one end of the ejector rod is provided with a positioning shaft, and the positioning shaft is clamped into the fixing groove so as to movably connect the ejector rod with the connecting plate.

As a further improvement of the utility model, the tray is also provided with a groove for collecting and leading out water flow overflowing during water injection, and the groove is arranged around the opening.

As a further improvement of the present invention, the groove includes a water collecting groove and a guiding groove, the water collecting groove is disposed around the opening and the ejector rod and is used for collecting the water flow flowing out from the water inlet, and the guiding groove is communicated with the water collecting groove and is used for guiding the water flow in the water collecting groove to be discharged out of the tray.

The utility model aims to provide a base station, which is better applied to the water injection structure.

In order to achieve the above object, the present invention provides a base station, which includes the above water filling structure.

The utility model has the beneficial effects that: the lifting mechanism is simple and exquisite in structure, less in material consumption, light in weight and capable of effectively achieving the lifting function. The water injection structure is simple in structure, can realize the function of automatically and effectively injecting water into the cleaning equipment, can keep other parts dry in the water injection process, and prolongs the service life. The base station loads the water injection structure, so that the whole base station is simpler in structure, not only can accommodate cleaning equipment, but also can automatically inject water into the cleaning equipment.

Drawings

Fig. 1 is a schematic structural diagram of a base station according to the present invention.

FIG. 2 is a schematic view of the structure of the cleaning apparatus of the present invention.

Fig. 3 is a schematic structural view of the automatic water changing structure of the present invention.

Fig. 4 is an exploded view of the automatic water change structure shown in fig. 3.

Fig. 5 is a schematic view of the structure of fig. 4 with the tray removed.

Fig. 6 is a perspective view of the first lifting structure of fig. 5.

Fig. 7 is an exploded view of fig. 6.

Fig. 8 is an exploded view of the second transmission gear and the first ram of fig. 7.

Fig. 9 is a schematic view of the structure of the tray of fig. 4.

Fig. 10 is an enlarged view of a portion a in fig. 9.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 and 2, the present invention discloses a base station 100, wherein the base station 100 is used for storing and/or cleaning a cleaning device 200, and comprises an automatic water changing structure for automatically changing water for the cleaning device 200, and specifically, the automatic water changing structure comprises a water filling structure for filling clean water for the cleaning device 200 and a water draining structure for draining sewage for the cleaning device 200.

The cleaning device 200 of the present invention is preferably a sweeping robot, but should not be limited thereto. A water tank, a water inlet 201 and a water outlet 202 are arranged in the cleaning device 200. The water injection structure is connected with the water inlet 201 and used for injecting clean water into the water tank, and the water drainage structure is connected with the water outlet 202 and used for discharging sewage in the water tank.

As shown in fig. 3 to 8, the water filling structure includes a first lifting structure 1 and a tray 3 for receiving the cleaning device 200. First promotion structure 1 is including being the first ejector pin 12 that the cavity form set up and link up from top to bottom, the drive gear group of being connected with first ejector pin 12 and with drive gear group link and expose in the first footboard 11 of tray 3, first footboard 11 includes pressing piece 110 and axostylus axostyle 111 with pressing piece 110 fixed connection, specifically, drive gear group and axostylus axostyle 111 fixed connection, when touching pressing piece 110, can drive gear group and rotate, make first ejector pin 12 promote.

The drainage structure comprises the tray 3 and the second lifting structure 2, the second lifting structure 2 comprises a second ejector rod 22, a transmission gear set and a second pedal 21, the structure of the second ejector rod 22 is the same as that of the first ejector rod 12, except that the second ejector rod 22 is arranged in an up-down closed type or solid state, the transmission gear set of the first lifting structure 1 is the same as that of the transmission gear set of the second lifting structure 2, the structure of the first pedal 11 is also the same as that of the second pedal 21, namely, the first lifting structure 1 is different from the second lifting structure 2 only in that the structures of the first ejector rod 12 and the second ejector rod 22 are different, and other structures are the same. In this embodiment, the tray 3 in the water filling structure and the tray 3 in the water draining structure share one tray, but of course, in other embodiments, the two trays 3 may be divided into two parts, and the embodiment is not limited herein.

Since the first lifting structure 1 and the second lifting structure 2 have the same structure except for the different push rods, the following description will take the first lifting structure 1 as an example to describe the specific structure and the working principle of the first lifting structure 1 in detail, and the second lifting structure 2 will not be described again.

With reference to fig. 6, 7 and 8, the transmission gear set in the first lifting structure 1 includes a first transmission gear 13 and a second transmission gear 14 engaged with the first transmission gear 13, the first transmission gear 13 is provided with a through hole 130, and the shaft 111 passes through the through hole 130 and is fixedly connected to the first transmission gear 13. In this embodiment, the through hole 130 is disposed in a square shape, and one end of the shaft 111 penetrating through the through hole 130 is also disposed in a square shape, so that the matching manner between the shaft 111 and the through hole 130 is unique, and the shaft 111 can be prevented from sliding freely in the through hole 130.

The first lifting structure 1 further includes a connecting plate 140 connecting the second transmission gear 14 and the first push rod 12, a fixing groove 141 is formed at one end of the connecting plate 140, a positioning shaft 120 is arranged at one end of the first push rod 12, and the positioning shaft 120 is clamped into the fixing groove 141 to movably connect the first push rod 12 and the second transmission gear 14. Here, "movably connected" means: when one end of the connection plate 140 is tilted up or dropped down, the first lift pin 12 does not tilt left or right following the one end of the connection plate 140, but moves only up or down in the vertical direction. The other end of the connecting plate 140 is fixedly connected with the second transmission gear 14.

The pressing piece 110 is fixed at one end of the shaft rod 111 far away from the second transmission gear 14, the pressing piece 110 comprises a pressing body 112 and a table post 113 connected with the pressing body 112, the table post 113 is fixedly connected with the shaft rod 111, and the pressing body 112 is arranged on one side of the shaft rod 111 in a suspending mode. With such an arrangement, when the pressing body 112 is pressed downwards, the table column 113 can be used to drive the shaft rod 111 to rotate, so as to drive the first transmission gear 13 to rotate downwards, and further drive the second transmission gear 14 engaged with the first transmission gear to rotate downwards, and meanwhile, one end of the connecting plate 140 connected with the first ejector rod 12 tilts upwards, so that the first ejector rod 12 is lifted upwards. On the contrary, when the pressing body 112 is reset upwards, the first transmission gear 13 and the second transmission gear 14 can be driven to rotate upwards, and then the first top rod 12 descends until the initial position is recovered.

In order to enable the first top rod 12 to be lifted or lowered in the vertical direction, the positioning shaft 120 on the first top rod 12 is configured to be cylindrical, and the fixing groove 141 is configured to be a smooth U-shaped groove, so that the positioning shaft 120 can be driven by the connecting plate 140 to freely rotate in the fixing groove 141, and the first top rod 12 is lifted or lowered in the vertical direction. It will be appreciated that, according to the working principle and procedure described above, when the shaft 111 in the second lifting structure 2 is rotated, the lowering or lifting of its corresponding second ram 22 can also be achieved.

Furthermore, the purpose of squaring both the bore 130 and the end of the shaft 111 is also: when the pressing body 112 is pressed, it is helpful to drive the shaft 111 to rotate downward to drive the first transmission gear 13 to rotate, and then drive the second transmission gear 14 engaged therewith to rotate, so that the connecting plate 140 tilts and drives the first push rod 12 or the second push rod 22 to lift. First drive gear 13 and second drive gear 14 all only establish the sawtooth of half round, and second drive gear 14 passes through the sawtooth and is connected with first drive gear 13 meshing, so sets up, not only can restrict the ejector pin in first promotion structure 1 and the second promotion structure 2 and promote or the height that descends, can save material moreover, weight reduction.

In this embodiment, the pressing element 110 and the shaft 111 are integrally disposed, but of course, the pressing element 110 and the shaft 111 may be separately and fixedly disposed, as long as the shaft 111 can be driven to rotate when the first pedal 11 or the second pedal 21 is stepped on, which is not limited herein.

As shown in fig. 3 to 7 and 9, a surface for accommodating the cleaning device 200 is defined as an upper side of the tray 3, the first lifting structure 1 and the second lifting structure 2 are both disposed below the tray 3, the tray 3 is provided with a first opening 32 and a second opening 33 for the first ejector rod 12 and the second ejector rod 22 to respectively penetrate through, and a first through hole 30 and a second through hole 31 for the first pedal 11 and the second pedal 21 to respectively penetrate through, and the first through hole 30 and the second through hole 31 are respectively located at a side of the first opening 32 and the second opening 33. The first pedal 11 and the second pedal 21 respectively penetrate through the first through hole 30 and the second through hole 31 until being exposed above the tray 3, that is, at least one end of each of the first pedal 11 and the second pedal 21 is higher than the level of the tray 3, that is, one end of the pressing member 110 needs to be higher than the level of the tray 3, so that the first pedal 11 and the second pedal 21 can be automatically pressed/triggered when the cleaning device 200 is parked on the tray 3.

As shown in fig. 2, 5 and 9, a water inlet 201 and a water outlet 202 formed on the cleaning device 200 correspond to the first opening 32 and the second opening 33, respectively, when the cleaning device 200 is received in the tray 3 and touches the first pedal 11 and the second pedal 21, respectively, the first pedal 11 can drive the transmission gear set in the first lifting structure 1 to lift the first push rod 12, so that the first push rod 12 is inserted into the water inlet 201 of the cleaning device 200, and water is filled in the water tank of the cleaning device 200; the second pedal 21 can drive the transmission gear set in the second lifting structure 2 to lift the second push rod 22, so that the second push rod 22 is inserted into the water outlet 202 of the cleaning device 200 to trigger the drainage switch in the cleaning device 200, and all the sewage in the cleaning device 200 is discharged.

The utility model is originally designed as follows: in the cleaning apparatus 200, such as a sweeping robot, a clean water tank and a dirty water tank are generally provided inside thereof for supplying clean water and storing dirty water at the time of cleaning. In the prior art, clear water needs to be manually injected, and sewage needs to be manually discharged, which is very inconvenient, so the utility model improves the water injection structure and the water discharge structure in the base station 100 to realize the automatic water injection and water discharge (namely automatic water change) of the sweeping robot. Of course, the application scenarios of the water injection structure and the water drainage structure are not unique, and the water injection structure and the water drainage structure can be applied to a sweeping robot and other equipment needing automatic water changing, and are not limited to the above.

As shown in fig. 5 to 8, the first top bar 12 and the second top bar 22 are both disposed in a cylindrical shape, and the first top bar 12 and the second top bar 22 are both provided with a cap 121, and a side edge of the cap 121 protrudes out of a clamping edge 122 for preventing the first top bar 12 and the second top bar 22 from being lifted too high. The first opening 32 and the second opening 33 are both circular holes, the clamping edge 122 on the cap 121 is arranged in a circular ring shape, and the outer diameter of the clamping edge 122 is larger than the diameters of the first opening 32 and the second opening 33. With the arrangement, the lifting height of the first and second push rods 12 and 22 can be limited by the mutual abutting of the clamping edge 122 and the inner side wall of the first and second openings 32 and 33, and the sealing function can be achieved during water injection or water drainage, so that water flow is prevented from entering the base station 100.

As shown in fig. 3, 4 and 9, in the present invention, the base station 100 further includes a base 5, and the water injection structure and the water discharge structure are both disposed in the base 5 and are symmetrically disposed. A garbage guiding part 50 is arranged between the water injection structure and the water drainage structure and used for guiding out dust or garbage in the sweeping robot. It can be understood that the tray 3 is provided with a leading-out hole 38 corresponding to the garbage leading-out part 50, and the leading-out hole 38 is located between the first through hole 30 and the second through hole 31 and is used for cooperating with the garbage leading-out part 50 to lead out the dust or garbage inside the sweeping robot together.

As shown in fig. 9 and 10, the tray 3 further has a first groove 34 and a second groove 35 for guiding water flow, and the first groove 34 and the second groove 35 are respectively disposed around the first opening 32 and the second opening 33. Specifically, the first groove 34 is used for leading out clean water, and the second groove 35 is used for leading out sewage. This is because: when the water injection structure injects the clear water into the water tank of the robot for sweeping the floor, some water flows can be hardly avoided to flow out to the tray 3 from the water inlet 201, and at the moment, a small amount of clear water flowing out from the water inlet 201 can be collected by the first groove 34, and the tray 3 is further led out. Similarly, the second groove 35 is used for collecting the sewage flowing out from the water outlet 202 and further guiding the sewage out of the tray 3.

Further, the first groove 34 includes a water collecting groove 340 and a guiding groove 341, the water collecting groove 340 is disposed around the first opening 32 for collecting the clean water flowing out from the water inlet 201, and the guiding groove 341 is communicated with the water collecting groove 340 for guiding the water in the water collecting groove 340 to the tray 3. The second groove 35 has the same structure as the first groove 34 except that the water collecting groove 340 in the second groove 35 is used for collecting and guiding the sewage flowing out from the water outlet 202.

When the cleaning device 200 (sweeping robot) enters the base station 100, in order to be able to stably stop on the first pedal 11 and/or the second pedal 21 and ensure the pressing effect, the tray 3 is further provided with a square groove 36 arranged around the first pedal 11 and the second pedal 21, and the bottom of the square groove 36 is provided with a wavy boss, so that the walking wheel 204 of the sweeping robot can stably stop in the square groove 36 and press the first pedal 11 and the second pedal 21, and the sweeping robot can conveniently go in and out of the tray 3, and the situation that the sweeping robot is clamped in the tray 3 or cannot go in the tray 3 can not be generated.

After the sweeping robot is stably stopped, under the action of gravity, the traveling wheels 204 of the sweeping robot touch and press the first pedal 11 and the second pedal 21, so that the first pedal 11 and the second pedal 21 rotate, and then the first ejector rod 12 and the second ejector rod 22 below the tray 3 are driven to lift upwards, so that the first ejector rod 12 and the second ejector rod 22 are respectively inserted into the water inlet 201 and the water outlet 202 of the cleaning equipment 200 from the first opening 32 and the second opening 33.

When the cleaning device 200 needs to be filled with clean water, the first ejector rod 12 is inserted into the water inlet 201 and then jacks the switch at the position of the water inlet 201, so that the water inlet 201 is communicated with the clean water tank of the cleaning device 200, the water tank (not numbered) in the base station 100 is connected with the first ejector rod 12 through the water pipe 6, and at the moment, the clean water in the water tank can be pumped into the clean water tank of the sweeping robot by using the water pump (not numbered) in the base station 100, namely, the clean water in the base station 100 firstly enters the first ejector rod 12 from the water tank through the water pipe 6 and then flows into the clean water tank of the sweeping robot. That is, the first push rod 12 is disposed in a hollow shape and is communicated with the water tank in the base station 100, so that the clean water tank can be automatically filled with water.

Referring to fig. 2, the sweeping robot is provided with a cleaning unit 203, which includes a motor, a roller surrounding the motor, cleaning objects disposed outside the roller, and a wringing component disposed at the periphery of the cleaning objects, and a sewage recovery pipeline and an injection device are sequentially disposed at the downstream of the wringing component. The cleaning unit 203 is communicated with a clean water tank and a sewage tank of the floor sweeping robot, and after clean water is conveyed to the clean water tank through a water injection structure on the base station 100, the clean water is injected to the cleaning objects in the cleaning unit 203 through the injection device, so that the cleaning objects can be automatically cleaned. In the process of water injection, a small amount or part of the clean water is inevitably discharged to the first groove 34 on the tray 3, and part of the clean water is firstly collected in the water collection tank 340 and then flows out of the tray 3 from the diversion trench 341. By the arrangement, the tray 3 can be kept dry basically, the base station 100 cannot be damaged, and the service life of the base station 100 is effectively prolonged.

The sewage recovery pipeline in the cleaning unit 203 is communicated with the water squeezing part, the water squeezing part is used for squeezing water for cleaned cleaning objects, formed sewage flows into the sewage recovery pipeline from the water squeezing part, a sewage storage tank is arranged below the sewage recovery pipeline and is communicated with a sewage tank in the sweeping robot, and therefore the sewage flows into the sewage storage tank after flowing through the sewage recovery pipeline and finally flows into the sewage tank in a centralized mode. When the cleaning device 200 enters the tray 3 of the base station 100, the second push rod 22 is inserted into the water outlet 202, and the water outlet 202 is communicated with the sewage tank of the cleaning device 200, so that the second push rod 22 pushes open the sealing ring at the water outlet 202, and sewage can flow out from the water outlet 202 and be discharged into the second groove 35 on the tray 3. That is, the second lift pin 22 opens the foul water tank, and then the foul water is discharged into the base station 100. Specifically, the sewage flows into the water collecting tank 340 of the second groove 35 in a concentrated manner, then flows out of the tray 3 from the flow guide groove 341, and finally is pumped into the sewage storage tank of the base station 100 by the air pump in the sweeping robot for storage and concentrated discharge.

When the water adding and/or draining of the sweeping robot is completed, the sweeping robot leaves the first pedal 11 and the second pedal 21, at the moment, the first pedal 11 and the second pedal 21 reset, the first ejector rod 12 and the second ejector rod 22 are separated from the water inlet 201 and the water outlet 202, and reset to the initial state, namely, the first lifting structure 1 and the second lifting structure 2 are reset. The water injection structure and the water discharge structure of the present invention may be used for injecting water and discharging water to the cleaning device 200 at the same time, or may be used for injecting water or discharging water separately according to actual needs, which is not limited to this.

With reference to fig. 4 and 5, an accommodating chamber 4 is further disposed below the tray 3, the accommodating chamber 4 is communicated with the first groove 34 and the second groove 35 on the tray 3, and preferably, the flow guide grooves 341 of the first groove 34 and the second groove 35 are both communicated with the accommodating chamber 4, so that the clean water concentrated in the first groove 34 and the sewage concentrated in the second groove 35 can all flow into the accommodating chamber 4 for concentrated collection. In order to better discharge water in the diversion trench 341 out of the tray 3, a water discharge hole 37 is further disposed at a communication position between the diversion trench 341 and the accommodating chamber 4, so that water in the first groove 34 and the second groove 35 can smoothly flow out of the tray 3 through the water discharge hole 37 and flow into the accommodating chamber 4 to be concentrated. The accommodating chamber 4 is provided with a drawing pipe 40 for drawing the sewage in the accommodating chamber 4, and the drawing pipe 40 is communicated with a sewage storage tank in the base station 100. In summary, the sewage can be discharged from the water outlet 202 and flow into the second groove 35 and the accommodating cavity 4 under the action of the second top bar 22, and the sewage can be pumped out from the accommodating cavity 4 to the sewage storage tank of the base station 100 through the pumping-out pipe 40 under the action of the air pump in the base station 100. Of course, a small amount of clean water flowing out of the first groove 34 can also be discharged to the accommodating cavity 4 through the diversion trench 341, and is pumped away together with the sewage.

The above is a description of a specific structure of the water filling structure and the water discharging structure and a preferred embodiment of the operation process in the present invention. Of course, in other embodiments, the first lifting structure 1 in the water filling structure and the second lifting structure 2 in the water draining structure may also be configured to be pressed down or lifted up by controlling the pedal through the motor, so as to drive the transmission gear set downstream of the pedal to rotate, and then the first push rod 12 or the second push rod 22 is lifted up or lowered down, so as to further complete the functions of filling clean water and draining sewage, which is not limited herein and will not be illustrated.

In summary, the present invention can not only perform the function of storing the cleaning apparatus 200, but also automatically perform the functions of adding water and draining the cleaning apparatus 200 while storing the cleaning apparatus by providing the water injection structure and the water drainage structure. In addition, set up simple structure and exquisite promotion structure in water injection structure and drainage structure, effectively alleviateed base station 100's weight, strengthened the user and used experience and felt, but also prolonged base station 100's life, had apparent practicality and economic nature.

Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the present invention.

Claims (10)

1. The utility model provides a promote structure is applied to cleaning equipment which characterized in that: the lifting structure comprises an ejector rod, a transmission gear set connected with the ejector rod, a shaft rod connected with the transmission gear set and a pressing piece fixedly connected with the shaft rod, the transmission gear set comprises a first transmission gear and a second transmission gear meshed with the first transmission gear, a through hole is formed in the first transmission gear, the shaft rod penetrates through the through hole and is fixedly connected with the first transmission gear, and therefore when the pressing piece is pressed, the shaft rod, the first transmission gear and the second transmission gear can be driven to rotate synchronously, and the ejector rod is lifted.

2. The lifting structure of claim 1, wherein: the lifting structure further comprises a connecting plate connected with the second transmission gear and the ejector rod, and a fixing groove used for fixing the ejector rod is formed in one end of the connecting plate.

3. The lifting structure of claim 2, wherein: one end of the ejector rod is provided with a positioning shaft, and the positioning shaft is clamped into the fixing groove so as to movably connect the ejector rod with the connecting plate.

4. The lifting structure of claim 1, wherein: the pressing piece is fixed at one end, far away from the second transmission gear, of the shaft rod and comprises a pressing body and a table post connected with the pressing body, the table post is fixedly connected with the shaft rod, and the pressing body is arranged on one side of the shaft rod in a hanging mode so as to drive the shaft rod to rotate when the pressing body is pressed.

5. A water injection structure is applied to cleaning equipment, a water tank and a water inlet are arranged in the cleaning equipment, and the water injection structure is characterized by comprising a tray and a lifting structure accommodated in the tray, wherein the lifting structure comprises an ejector rod, a transmission gear set connected with the ejector rod, a shaft rod connected with the transmission gear set and a pressing piece fixedly connected with the shaft rod, and the transmission gear set can be driven to lift the ejector rod when the pressing piece is pressed; the tray is used for accommodating the cleaning equipment, and is provided with an opening through which the ejector rod penetrates; the pressing piece is exposed to the tray; the opening corresponds to the water inlet, so that when the cleaning equipment is stored in the tray and touches the pressing piece, the pressing piece can be pressed and the transmission gear set is driven to rotate, the ejector rod extends upwards and is inserted into the water inlet, and water is injected into the water tank in the cleaning equipment.

6. The water injection structure according to claim 5, wherein: the transmission gear set comprises a first transmission gear and a second transmission gear meshed with the first transmission gear, a through hole is formed in the first transmission gear, and the shaft rod penetrates through the through hole and is fixedly connected with the first transmission gear.

7. The water injection structure of claim 6, wherein: the lifting structure further comprises a connecting plate which is connected with the second transmission gear and the ejector rod, and one end of the connecting plate is provided with a fixing groove for fixing the ejector rod; one end of the ejector rod is provided with a positioning shaft, and the positioning shaft is clamped into the fixing groove so as to movably connect the ejector rod with the connecting plate.

8. The water injection structure according to claim 5, wherein: the tray is further provided with a groove for collecting and leading out water flow overflowing during water injection, and the groove surrounds the opening.

9. The water injection structure of claim 8, wherein: the groove comprises a water collecting tank and a guide groove, the water collecting tank surrounds the opening and is arranged on the ejector rod and used for collecting water flow flowing out of the water inlet, and the guide groove is communicated with the water collecting tank and used for guiding the water flow in the water collecting tank to be discharged from the tray.

10. A base station, characterized by: the base station comprises the water-filling structure of any of claims 5-9.

Images