阅读说明：本技术 一种适用于无尘区的洗地机 (Floor washing machine suitable for dust-free area ) 是由 刘学峰 于 2021-09-07 设计创作，主要内容包括：本发明涉及清洁机械设备技术领域,具体涉及一种适用于无尘区的洗地机,包括洗地机本体以及设置在其下方的滚刷,所述滚刷的上方设置有对其起安装定位作用的安装盘,所述洗地机本体的前端设置有喷雾头以及喷液头,二者的输入端通过对接结构与进水管活动连接。本发明中,本发明在本体前端加设有喷雾头,且喷雾头与原有的喷液头共用一条进水管,通过控制电动推杆即可实现进水管与喷雾头或喷液头的连接,这样的结构设计不会影响进水管内的水压大小,使喷雾头以及喷液头均能实现预设的喷射范围,填补了现有的洗地机没有喷雾功能这一技术空白,切换快捷,使用可靠。(The invention relates to the technical field of cleaning mechanical equipment, in particular to a floor washing machine suitable for a dust-free area. According to the invention, the spray head is additionally arranged at the front end of the body, the spray head and the original liquid spraying head share one water inlet pipe, and the connection of the water inlet pipe and the spray head or the liquid spraying head can be realized by controlling the electric push rod.)

1. The utility model provides a floor cleaning machine suitable for dustless district, includes floor cleaning machine body (1) and sets up round brush (2) in its below, the top of round brush (2) is provided with mounting disc (21) of playing the installation positioning action to it, its characterized in that, the front end of floor cleaning machine body (1) is provided with atomising head (3) and hydrojet head (31), and butt joint structure and inlet tube (9) swing joint are passed through to the input of the two.

2. The floor washing machine applicable to the dustless area according to claim 1, characterized in that, the top surface of the mounting plate (21) is provided with the spray heads (3) and the liquid spray heads (31) which are arranged in a staggered manner, the input ends of the spray heads and the liquid spray heads are connected with the butt joint structure through the side wall of the mounting seat (32), the mounting seat (32) is in a trapezoidal structure with a narrow top and a wide bottom, and is connected with the mounting plate (21) through a plurality of fixing pieces (33) at the bottom end.

3. The floor washing machine suitable for the dustless area according to claim 2, characterized in that, the butt joint structure comprises a butt joint piece (4), a first connecting piece (6) and a second connecting piece (61), the butt joint piece (4) is a strip-shaped block structure with a strip-shaped groove (41) in the middle, and the annular first connecting piece (6) and the second connecting piece (61) are slidably sleeved in the strip-shaped groove (41) after being spliced into a whole.

4. A scrubber for clean areas as claimed in claim 3, the input ends of the spray head (3) and the liquid spray head (31) are fixedly inserted into the side wall of the butt joint piece (4) and are communicated with the strip-shaped groove (41), a sealing groove (42) is arranged on the bottom surface of the inner cavity of the strip-shaped groove (41) corresponding to the splicing part of the spray head (3) and the liquid spray head (31), and the bottom surface of the inner cavity of the strip-shaped groove (41) is also provided with a sliding groove (43) for connecting the two sealing grooves (42), two long side inner walls of bar groove (41) all link firmly four stopper (44) of mirror symmetry, lie in two with one side still be provided with two racks (45) between stopper (44), two rack (45) link firmly respectively in the both ends of long side inner wall of bar groove (41).

5. The floor washing machine applicable to the dustless area according to claim 4, characterized in that, the seal groove (42) is of an annular structure, the sliding groove (43) is of a linear structure, and both ends of the sliding groove (43) are respectively tangent to the annular seal groove (42).

6. A scrubber for clean areas as claimed in claim 5, a through hole is arranged in the middle of the first connecting piece (6) and the second connecting piece (61), a turntable (8) and two sealing discs (7) are clamped between the first connecting piece and the second connecting piece, a shaft pin (71) is inserted and fixed between the two sealing discs (7), the rotary disc (8) is clamped by the two sealing discs (7) at the middle position, the rotary disc (8) is rotationally connected with the shaft pin (71) through a through ring (83) at the axis position, the diameter of the sealing disc (7) is equal to the diameter of the through holes in the middle of the first connecting piece (6) and the second connecting piece (61), and the outer walls of the two sealing discs (7) are fixedly connected with the inner walls of the through holes in the middle of the first connecting piece (6) and the second connecting piece (61) respectively.

7. The floor washing machine suitable for the dustless area according to claim 6, characterized in that, the thickness of carousel (8) and the gap width between connecting piece (6) and connecting piece two (61) agree with each other, and the annular both sides terminal surface of carousel (8) is close to its outer rampart position and has all linked firmly spacing ring (81), the slot (63) has all been seted up to the interior terminal surface of connecting piece one (6) and connecting piece two (61) and the relative position of spacing ring (81), spacing ring (81) with slot (63) rotate the bell and spigot joint.

8. The floor washing machine suitable for the dustless area according to claim 7, characterized in that the outer end surface of the first connecting piece (6) is fixedly connected with a silica gel ring (62) corresponding to the middle through hole thereof, the silica gel ring (62) is movably clamped with the sealing groove (42), the outer end surface of the second connecting piece (61) is fixedly connected with the output end of the water inlet pipe (9) corresponding to the middle through hole thereof, an electric push rod (5) is arranged below the output end of the water inlet pipe (9), the bottom end of the electric push rod (5) is fixedly connected with the top surface of the mounting disc (21), the output end of the electric push rod (5) is fixedly connected with the ring wall of the water inlet pipe (9) through a sleeve ring (51), and in addition, the outer ring walls of the first connecting piece (6) and the second connecting piece (61) are provided with a limiting groove (64) corresponding to the position of the limiting block (44), the two are sleeved in a sliding way and are mutually matched components.

9. The floor washing machine suitable for the dustless area according to claim 8, characterized in that the end face of the sealing disc (7) is provided with a plurality of water outlet holes (72) at equal angles, the outer annular wall of the rotating disc (8) is provided with a plurality of teeth (82) at equal angles, a plurality of water blocking blocks (84) are connected between the inner annular wall of the rotating disc (8) and the outer annular wall of the through ring (83), the plurality of water blocking blocks (84) are arranged at equal angles relative to the axis of the rotating disc (8), and the sizes of the water blocking blocks (84) and the water outlet holes (72) are equal.

10. A scrubber as claimed in claim 9, characterized in that the width of the gap between the first connecting part (6) and the second connecting part (61) is equal to the width of the toothed rack (45), and the toothed rack (45) can be inserted into the gap between the two and can be movably engaged with the teeth (82).

Technical Field

The invention relates to the technical field of cleaning mechanical equipment, in particular to a floor washing machine suitable for a dust-free area.

Background

The floor cleaning machine is pushed the floor cleaning machine by the user and is realized ground cleanness along ground removal, for clean ground, the floor cleaning machine generally includes the round brush subassembly, the cleaning solution case, the suction unit, water absorption part and foul solution collection box etc. the floor cleaning machine sprays subaerially through the cleaning solution with the cleaning solution incasement, then the round brush subassembly contacts and rolls up subaerial dust with ground under the rotation state, water absorption part can send into the foul solution collection box with the dust of rolling up together with the foul solution, thereby the realization is clean to ground.

When the floor cleaning machine is in an environment with less external dust, because the working environment is better, a large amount of cleaning solution does not need to be sprayed along a fixed direction to clean the floor, and the cleaning preparation condition can be met only by spraying the spray in the cleaning radius of the floor cleaning machine, so that the purposes of saving the cleaning solution and prolonging the cleaning period are achieved, but the defects of the floor cleaning machine in the application scenes are caused due to the fact that the existing floor cleaning machine is lack of the spraying function, and the floor cleaning machine needs to be further improved.

Disclosure of Invention

In order to overcome the technical problems, the invention aims to provide a floor scrubber suitable for a dust-free area, which is additionally provided with a spray head on the basis of being provided with a liquid spray head, wherein the spray head and the liquid spray head share one water inlet pipe, the switching mode is simple and convenient, the structure is reliable, and the use requirements under a dust-free or less-dust environment are met.

The purpose of the invention can be realized by the following technical scheme:

the utility model provides a floor cleaning machine suitable for dustless district, includes floor cleaning machine body and sets up the round brush in its below, the top of round brush is provided with the mounting disc who plays installation positioning action to it, the front end of floor cleaning machine body is provided with atomising head and hydrojet head, and butt joint structure and inlet tube swing joint are passed through to the input of the two.

The spray head and the liquid spray head are arranged on the top surface of the mounting disc in a staggered manner, the input ends of the spray head and the liquid spray head penetrate through the side wall of the mounting seat and are connected with the butt joint structure, the mounting seat is of a trapezoidal structure with a narrow upper part and a wide lower part, and the mounting seat is connected with the mounting disc through a plurality of fixing pieces at the bottom end.

The butt joint structure comprises a butt joint piece, a first connecting piece and a second connecting piece, wherein the butt joint piece is of a strip-shaped block structure with a strip-shaped groove in the middle, and the annular first connecting piece and the annular second connecting piece are spliced into a whole and then are slidably sleeved in the strip-shaped groove.

The spray head and the input end of the liquid spraying head are fixedly connected with the side wall of the butt joint piece in a splicing mode and are communicated with the strip-shaped groove, the inner cavity bottom surface of the strip-shaped groove corresponds to the splicing position of the spray head and the liquid spraying head, the inner cavity bottom surface of the strip-shaped groove is further provided with two connecting grooves, the two long side inner walls of the strip-shaped groove are fixedly connected with four limiting blocks of mirror symmetry, the two long side inner walls of the strip-shaped groove are located at two sides of the same side, two racks are further arranged between the limiting blocks, and the racks are fixedly connected with the two ends of the long side inner walls of the strip-shaped groove respectively.

The sealing groove is of an annular structure, the sliding groove is of a linear structure, and two ends of the sliding groove are tangent to the annular sealing groove respectively.

The connecting piece I and the connecting piece II are provided with through holes in the middle, a turntable and two sealing discs are further sleeved between the through holes, a shaft pin is further fixedly connected between the sealing discs in an inserting mode, the turntable is clamped at the middle position by the two sealing discs, the turntable is rotatably connected with the shaft pin through a through ring at the position of the axis center of the turntable, the diameter of each sealing disc is equal to that of the through hole in the middle of the connecting piece I and the connecting piece II, and the outer wall of each sealing disc is fixedly connected with the inner wall of the through hole in the middle of the connecting piece I and the inner wall of the through hole in the middle of the connecting piece II respectively.

The thickness of the rotary table is matched with the width of a gap between the first connecting piece and the second connecting piece, the positions, close to the outer ring wall, of the end surfaces of the two sides of the annular rotary table are fixedly connected with limit rings, slots are formed in the positions, opposite to the limit rings, of the inner end surfaces of the first connecting piece and the second connecting piece, and the limit rings are rotatably sleeved with the slots.

The outer end face of the first connecting piece is fixedly connected with a silica gel ring corresponding to the middle through hole of the middle of the connecting piece, the silica gel ring is movably clamped with the sealing groove, the outer end face of the second connecting piece is fixedly connected with the output end of the water inlet pipe corresponding to the middle through hole of the middle of the connecting piece in an inserting mode, an electric push rod is arranged below the output end of the water inlet pipe, the bottom end of the electric push rod is fixedly connected with the top surface of the mounting disc, the output end of the electric push rod is fixedly connected with the ring wall of the water inlet pipe in a sleeved mode through a lantern ring, in addition, the outer ring wall of the first connecting piece and the outer ring wall of the second connecting piece correspond to the position of the limiting block, the limiting grooves are formed, the first connecting piece and the second connecting piece are in sliding sleeved mode, and components are matched with each other.

The water plugging device is characterized in that a plurality of water outlet holes are formed in the end face of the sealing disc at equal angles, a plurality of teeth are arranged on the outer annular wall of the rotating disc at equal angles, a plurality of water plugging blocks are connected between the inner annular wall of the rotating disc and the outer annular wall of the through ring, the water plugging blocks are arranged at equal angles relative to the axis of the rotating disc, and the water plugging blocks and the water outlet holes are equal in size.

Further, the width of a gap between the first connecting piece and the second connecting piece is equal to the width of the rack, and the rack can be inserted into the gap between the first connecting piece and the second connecting piece and is movably meshed with the teeth.

The invention has the beneficial effects that:

1. the spray head is additionally arranged at the front end of the body, the spray head and the original liquid spraying head share the same water inlet pipe, the connection of the water inlet pipe and the spray head or the liquid spraying head can be realized by controlling the electric push rod, the structural design cannot influence the water pressure in the water inlet pipe, the preset spraying range of the spray head and the liquid spraying head can be realized, the technical blank that the existing floor washing machine does not have a spraying function is filled, the switching is rapid, and the use is reliable.

Drawings

The invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a top view of the mounting plate of the present invention;

FIG. 4 is a side view of the mounting plate of the present invention;

FIG. 5 is a schematic view of the structure of the spray head and the liquid spray head of the present invention inserted in the mounting base;

FIG. 6 is a schematic plan view of the docking member of the present invention;

FIG. 7 is a side view of the docking member of the present invention;

FIG. 8 is a schematic view of the structure of the present invention in which the water inlet pipe is connected to the second connecting member;

FIG. 9 is a schematic plan view of the first and second connectors sandwiching the seal plate therebetween in accordance with the present invention;

FIG. 10 is a schematic cross-sectional view taken along line A-A of FIG. 9;

FIG. 11 is a schematic front view of the first and second connectors of the present invention after separation;

FIG. 12 is a schematic view of the back side of the first connector and the second connector of the present invention after separation;

FIG. 13 is a side view of the disk cartridge in the center position with two seal disks in accordance with the present invention;

FIG. 14 is a schematic plan view of a turntable according to the present invention;

fig. 15 is a side view schematically showing the construction of the turntable according to the present invention.

In the figure: 1. a floor cleaning machine body; 2. rolling and brushing; 21. mounting a disc; 3. a spray head; 31. a liquid jet head; 32. a mounting seat; 33. a fixing member; 4. a docking member; 41. a strip-shaped groove; 42. a sealing groove; 43. a chute; 44. a limiting block; 45. a rack; 5. an electric push rod; 51. a collar; 6. a first connecting piece; 61. a second connecting piece; 62. a silica gel ring; 63. a slot; 64. a limiting groove; 7. sealing the disc; 71. a shaft pin; 72. a water outlet hole; 8. a turntable; 81. a limiting ring; 82. teeth; 83. opening a ring; 84. a water plugging block; 9. and (4) a water inlet pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 and 2, there is shown a schematic overall structure of a floor washing machine suitable for a clean area in accordance with the present invention, in which a conventional floor washing machine is used to spray a predetermined amount of cleaning solution only to a front cleaning area, the cleaning solution is sprayed linearly to moisten air and a front floor, and then a worker operates the floor washing machine to pass through the area, and a roller brush assembly and a water suction assembly work together to clean the area, which is designed to have a high cleaning efficiency and cleaning quality in a wide and dusty environment, but when the worker operates the floor washing machine in a closed or dusty area, it is found that the predetermined cleaning condition can be achieved without spraying a large amount of cleaning solution, and if the floor washing machine is cleaned in such an area in accordance with a conventional cleaning mode, excessive spraying of the cleaning solution causes waste, the cruising ability of the floor washing machine is shortened, cleaning solution needs to be supplemented frequently, use experience of customers is not facilitated to be improved, and based on deep understanding of the problems, technicians in the field creatively add the spray head 3 at the front end of the floor washing machine body 1 after long-term groping and experiments, and the spray head 3 and the liquid spray head 31 share one water inlet pipe 9, so that water pressure of the water inlet pipe 9 cannot be reduced due to the fact that a plurality of pipelines are arranged, the specified spraying strength and spraying range are achieved, the switching mode of the spray head 3 and the liquid spray head 31 is simple and convenient, the floor washing machine is high in functionality and convenient to use, and cleaning requirements under various environments can be met.

As shown in fig. 1, a floor scrubber suitable for a dust-free area comprises a floor scrubber body 1 and a roller brush 2 arranged below the floor scrubber body, wherein a mounting plate 21 for mounting and positioning the roller brush 2 is arranged above the roller brush 2, a spray head 3 and a spray head 31 are arranged at the front end of the floor scrubber body 1, as shown in fig. 3 and 4, the spray head 3 and the spray head 31 are arranged on the top surface of the mounting plate 21 in a staggered manner, the input ends of the spray head 3 and the spray head 31 both penetrate through the side wall of a mounting seat 32 and are movably connected with a water inlet pipe 9, as shown in fig. 5, the mounting seat 32 is in a trapezoidal structure with a narrow top and a wide bottom, and is connected with the mounting plate 21 by inserting a plurality of fixing pieces 33 at the bottom end through a stud bolt, the output end of the water inlet pipe 9 passes through a butt joint structure when being connected with the input ends of the spray head 3 and the spray head 31, the function and function of the butt joint structure are embodied, when the spray head 31 needs to be switched in the process of using the spray head 3, need not to close the input of inlet tube 9, after the input separation of the output of inlet tube 9 and atomising head 3, the input of inlet tube 9 is automatic closed, the condition of extravagant cleaning solution can not appear, and after the input butt joint of the output of inlet tube 9 and atomising head 31 was accomplished, the output of inlet tube 9 was opened automatically again, the realization is supplied with to the cleaning solution of atomising head 31, whole switching process is comparatively rapid, the degree of automation is high, satisfy the cleanness needs under the multiple service environment.

As shown in fig. 6 and 7, the butt joint structure includes a butt joint member 4, a first connecting member 6, and a second connecting member 61, the butt joint member 4 is a strip-shaped block structure with a strip-shaped groove 41 at the middle part, the first annular connecting member 6 and the second connecting member 61 are spliced into a whole and then slidably sleeved in the strip-shaped groove 41, as shown in fig. 9 and 10, the middle parts of the first connecting member 6 and the second connecting member 61 are provided with through holes, a turntable 8 and two sealing discs 7 are further sleeved between the two connecting members, a shaft pin 71 is further inserted and fixed between the two sealing discs 7, the turntable 8 is sleeved at the middle position by the two sealing discs 7, the turntable 8 is rotatably connected with the shaft pin 71 through a through ring 83 at the axial center position, the diameter of the sealing discs 7 is equal to the diameter of the through holes at the middle parts of the first connecting member 6 and the second connecting member 61, and the outer walls of the two sealing discs 7 are fixedly connected with the inner walls of the through holes at the middle parts of the first connecting member 6 and the second connecting member 61 respectively, here, the two sealing discs 7 are also used as fixing components for connecting the first connecting piece 6 and the second connecting piece 61, since the two sealing discs 7 are fixedly connected through the middle shaft pin 71, the first connecting piece 6 and the second connecting piece 61 are also fixed in position and do not rotate relatively, the thickness of the rotary disc 8 is matched with the width of a gap between the first connecting piece 6 and the second connecting piece 61, the end surfaces of the two sides of the annular rotary disc 8, which are close to the outer ring wall thereof, are fixedly connected with the limiting rings 81, the inner end surfaces of the first connecting piece 6 and the second connecting piece 61, which are opposite to the limiting rings 81, are provided with the slots 63, the limiting rings 81 are rotatably sleeved with the slots 63, when the first connecting piece 6 and the second connecting piece 61 slide up and down in the strip-shaped groove 41, the first connecting piece 6, the second connecting piece 61 and the sealing discs 7 cannot rotate, and the rotary disc 8 can rotate by taking the shaft pin 71 as an axis under the action of external force, this also provides the condition for the nimble of inlet tube 9 output is sealed and is opened, and spacing ring 81 and slot 63's structure setting can improve the stability when carousel 8 rotates on the one hand, and on the other hand, when the cleaning solution flowed into atomising head 3 or hydrojet 31 from the output of inlet tube 9, will pass through the pipeline that connecting piece one 6 and connecting piece two 61 concatenations are constituteed, and spacing ring 81 and slot 63 can improve the leakproofness of this pipeline, reduce the probability that the weeping phenomenon takes place.

As shown in fig. 5, 6 and 7, the input ends of the spray head 3 and the liquid jet head 31 sequentially penetrate through the mounting seat 32 and the sidewall of the connecting member 4 and then are communicated with the strip-shaped groove 41, the bottom surface of the inner cavity of the strip-shaped groove 41 is provided with a sealing groove 42 corresponding to the insertion position of the spray head 3 and the liquid jet head 31, and the bottom surface of the inner cavity of the strip-shaped groove 41 is further provided with a sliding groove 43 connecting two sealing grooves 42, as shown in fig. 6, the sealing groove 42 is in an annular structure, the sliding groove 43 is in a linear structure, two ends of the sliding groove 43 are respectively tangent to the annular sealing groove 42, two long-side inner walls of the strip-shaped groove 41 are fixedly connected with four mirror-symmetric limiting blocks 44, two racks 45 are further arranged between the two limiting blocks 44 on the same side, the two racks 45 are respectively fixedly connected to two ends of the long-side inner walls of the strip-shaped groove 41, as shown in fig. 8, the outer end surface of the connecting member one 6 is further fixedly connected with a silica gel ring 62 corresponding to the middle through hole thereof, the silica gel ring 62 is movably clamped with the sealing groove 42, so as to increase the sealing performance when the cleaning solution flows into the spray head 3 or the spray head 31, the outer end surface of the second connecting piece 61 is fixedly inserted at the position corresponding to the middle through hole thereof, the output end of the water inlet pipe 9 is fixedly connected with the output end of the water inlet pipe 9, the electric push rod 5 is arranged below the output end of the water inlet pipe 9, the bottom end of the electric push rod 5 is fixedly connected with the top surface of the mounting disc 21, the output end of the electric push rod 5 is fixedly sleeved with the ring wall of the water inlet pipe 9 through the lantern ring 51, the extension and contraction of the output end of the electric push rod 5 are further realized by controlling the start and the close of the electric push rod 5 on the operation panel, when the spray head 31 needs to be switched, the output end of the electric push rod 5 is contracted, the lantern ring 51 drives the water inlet pipe 9 to move downwards, as shown in fig. 11 and fig. 12, the positions of the outer ring walls of the first connecting piece 6 and the second connecting piece 61, which correspond to the limiting blocks 44, are both provided with the limiting grooves 64, which are in sliding sleeved, the connecting piece II 61 connected with the water inlet pipe 9 drives the connecting piece I6 to slide downwards along the strip-shaped groove 41, the whole sliding process is smooth and can not deviate under the action of the limiting block 44 and the limiting groove 64, the connecting piece I6 and the connecting piece II 61 can not rotate when moving, so that the separation of the output end of the water inlet pipe 9 and the input end of the spray head 3 is realized, the silica gel ring 62 has certain elasticity, when the outer end face of the connecting piece I6 is in butt joint with the input end of the spray head 3, the silica gel ring 62 is embedded into the sealing groove 42, the connection between the connecting piece I6 and the spray head 3 can be tighter, when the liquid spray head 31 is switched, the connecting piece I6 moves downwards, the silica gel ring 62 is driven by the connecting piece I6 to be separated from the sealing groove 42 above the strip-shaped groove 41 and moves downwards along the sliding groove 43 until the silica gel ring 62 is in clamping connection with the sealing groove 42 below the strip-shaped groove 41 again, the two sliding grooves 43 are two linear grooves and are only connected with two sides of the two sealing grooves 42, so that the silicon rubber ring 62 cannot deviate during moving, and the fastening degree of the sealing groove 42 and the silicon rubber ring 62 in clamping connection cannot be reduced.

As shown in fig. 13, 14 and 15, the end face of the sealing disc 7 is provided with a plurality of water outlet holes 72 at equal angles, the outer annular wall of the rotating disc 8 is provided with a plurality of teeth 82 at equal angles, a plurality of water blocking blocks 84 are connected between the inner annular wall of the rotating disc 8 and the outer annular wall of the through ring 83, the plurality of water blocking blocks 84 are arranged at equal angles with respect to the axis of the rotating disc 8, and the size of the water blocking blocks 84 is equal to that of the water outlet holes 72, in the embodiment, the water outlet holes 72 and the water blocking blocks 84 are both in a diamond structure, as shown in fig. 10, the width of the gap between the first connecting piece 6 and the second connecting piece 61 is equal to that of the rack 45, the rack 45 can be inserted into the gap between the two and movably engaged with the teeth 82, when the abutting structure in the present invention is assembled, the assembly standard is to ensure that the plurality of water blocking blocks 84 and the plurality of water outlet holes 72 are displaced from each other when the first connecting piece 6 abuts against the input end of the spray head 3, so that the cleaning solution passes through the water outlet hole 72 from the water inlet pipe 9 and enters the atomizing head 3, when the electric push rod 5 contracts, the first connecting piece 6 moves downwards, at the moment, the teeth 82 are meshed with the racks 45, therefore, the rotating disc 8 can also rotate in the process of moving downwards of the first connecting piece 6, when the first connecting piece 6 is separated from the input end of the atomizing head 3, the water outlet hole 72 is blocked by the water blocking block 84, the cleaning solution can not continuously flow out, because the racks 45 are only arranged at two ends of the long side wall of the strip-shaped groove 41, when the first connecting piece 6 moves to the middle position of the strip-shaped groove 41, the rotating disc 8 can not continuously rotate, when the first connecting piece 6 is in butt joint with the input end of the atomizing head 31, the teeth 82 are meshed with the racks 45 below the strip-shaped groove 41 again and rotate, the rotating disc 8 rotates again, when the first connecting piece 6 stops moving, the water blocking blocks 84 and the water outlet holes 72 are staggered with each other, the cleaning solution can flow into hydrojet 31 from apopore 72 again, realizes the seamless connection between atomising head 3 and hydrojet 31, and need not close the input of inlet tube 9 at this in-process, and switching speed is fast, can not take place the phenomenon of extravagant cleaning solution.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is illustrative and explanatory only and is not intended to be exhaustive or to limit the invention to the precise embodiments described, and various modifications, additions, and substitutions may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the claims.