CN218105832U

CN218105832U - Automatic wash mop bucket

Info

Publication number: CN218105832U
Application number: CN202120772399.0U
Authority: CN
Inventors: 周伟明
Original assignee: Zhejiang Livinghue Houseware Products Co ltd
Current assignee: Zhejiang Livinghue Houseware Products Co ltd
Priority date: 2021-04-15
Filing date: 2021-04-15
Publication date: 2022-12-23
Anticipated expiration: 2031-04-15

Abstract

The utility model relates to a burnisher technical field discloses an automatic wash mop bucket, mop bucket and the cooperation of rotatory mop head, including the staving, be provided with the supporting component who is used for supporting rotatory mop head in the staving and take out water automatically and supply the abluent pumping device of rotatory mop head on the supporting component, pumping device include rotary device, drive rotary device pivoted actuating mechanism and the water guide passageway that sets up in the staving, when this rotary device is rotatory, water in the staving upwards sprays to rotatory mop overhead through the water guide passageway, when wasing the mop, only need to put into the mop bucket with rotatory mop head in just can realizing self-cleaning with the supporting component cooperation, extensive applicability and very laborsaving.

Description

Automatic wash mop bucket

Technical Field

The utility model relates to a burnisher technical field specifically is an automatic wash mop bucket.

Background

When the existing cleaning tool is used for cleaning, the mop rotating mop head is required to be cleaned in water, and the cleaning tool is subjected to water resistance during cleaning, so that the cleaning is very strenuous and water is easily splashed out. Chinese patent publication No. CN107684407A discloses a cleaning tool in which a rotating mop head is not immersed in water during cleaning, which comprises a mop bucket and a mop matched with the mop bucket, wherein a supporting member for supporting the rotating mop head and a water pumping device for pumping water to the rotating mop head on the supporting member for cleaning are arranged in the mop bucket, and the water pumping device is driven by the rotation of the rotating mop head.

In the scheme, the rotating mop head is required to be in a rotating state in the cleaning process to drive the water pumping device to pump water, so that the mop is required to have an automatic rotating function, and the existing structures on the market are two, namely, a motor is arranged in a mop rod, the rotating mop head is in rotating connection with the mop rod, and the rotating mop head rotates relative to the mop rod under the driving of the motor; the other is that the mop rod comprises a handheld rod and a connecting rod which is fixed or pivoted with the rotary mop head, a contraction rotating mechanism is arranged between the connecting rod and the handheld rod, the rotary mop head is driven to rotate quickly by lifting the handheld rod up and down, the first structure causes the mop and the mop bucket to be matched for use, and once the mop is damaged, the water pumping device of the mop bucket fails; the second structure requires a lifting and pressing action during the cleaning process, which is very hard.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a self-cleaning mop bucket only needs to put into the mop head and just can realize self-cleaning and automatic dehydration, very laborsaving in the mop bucket.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides an automatic wash mop bucket, mop bucket and rotatory mop head cooperation, includes the staving, is provided with the supporting component who is used for supporting rotatory mop head in the staving and takes out water automatically to supply the abluent pumping device of rotatory mop head on the supporting component, pumping device include rotating device, drive rotating device pivoted actuating mechanism and the water guide passageway that set up in the staving, when this rotating device is rotatory, water in the staving upwards sprays to rotatory mop overhead through the water guide passageway.

Furthermore, the supporting part comprises a rotating top head which is arranged in the barrel body and is connected with the rotating mop head, the rotation of the rotating top head is controlled by a driving mechanism, and the rotation of the rotating mop head is controlled by the rotation of the rotating top head.

Furthermore, the rotating device comprises a rotating shaft and rotating blades, wherein the rotating shaft synchronously rotates below the rotating plug, and the rotating blades are arranged on the rotating shaft.

Furthermore, the driving mechanism is a motor, the motor comprises a shell and a motor shaft, the motor shaft vertically penetrates through two ends of the shell, the upper end of the motor shaft is fixedly connected with the rotating top, and the lower end of the motor shaft is fixedly connected with the rotating shaft.

Furthermore, a sealing structure is arranged outside the shell, the sealing structure comprises a sealing shell with a downward opening for the shell to pass through and a sealing cover capable of opening or sealing the opening, through holes for the motor shaft to pass through are formed in the upper end face of the sealing shell and the sealing cover, and a sealing ring is arranged between the through holes and the motor shaft.

Furthermore, a water-homogenizing mechanism which uniformly sprays water in the water guide channel to the lower end of the rotating mop head is arranged in the barrel body.

Further, even water mechanism includes when rotatory mop head with rotate the top cooperation after in the fixed mounting panel that sets up in rotatory mop head below and in the mounting panel upper end uplift can drive about the even water portion of radial even spun along the surface of rotation of rotatory mop head of water channel derivation.

Furthermore, the water homogenizing part comprises a water homogenizing box with an inner cavity, a water inlet hole which is arranged at the lower end of the water homogenizing box and corresponds to the outlet of the water guide channel, a water baffle plate which is arranged right above the water inlet hole in the water homogenizing box, and water spraying holes which are uniformly arranged along the radial direction of the rotating surface of the rotating mop head on the upper end surface of the water homogenizing box at intervals.

Furthermore, the water spray holes comprise vertical spray holes and inclined spray holes, wherein the vertical spray holes are sequentially distributed from the rotating center close to the rotating mop head to the radial direction of the rotating surface, and the inclined spray holes are inclined towards the inner wall of the barrel body.

Furthermore, the included angle range of the inclined spray holes and the mounting plate is 20-60 degrees.

Furthermore, a first cleaning component is arranged on the upper end face of the mounting plate and comprises a brush or a friction bulge which is vertically and upwards arranged on the upper end of the mounting plate.

Further, the first cleaning components are radially distributed along the rotating surface of the rotating mop head.

Furthermore, a second cleaning part is arranged on the inner wall of the barrel body, and the second cleaning part comprises a brush or a friction bulge which vertically extends towards the center of the barrel body on the inner wall of the barrel body.

Furthermore, the barrel body comprises an inner barrel for containing clear water and an outer barrel for containing sewage, the water pumping device is arranged in the inner barrel, and the mounting plate is a barrel cover for sealing the inner barrel.

Furthermore, a water injection groove is arranged on the mounting plate, and a cover capable of opening or closing the water guide groove is arranged on the mounting plate.

Furthermore, the inner barrel and the outer barrel are in the same shape and are concentrically arranged, or the inner barrel and the outer barrel are in different shapes and are not concentrically arranged.

Furthermore, the bottom of the inner barrel is provided with a water containing part capable of containing water required by one cleaning period, the rotating device is arranged in the water containing part, and the water containing part is provided with a water seepage hole communicated with the inner barrel.

Furthermore, the water containing part comprises a groove which is sunken at the bottom of the inner barrel and a cover plate which is extended outwards and horizontally at the bottom of the sealing shell and can open or close the groove.

Furthermore, the water guide channel is a water guide pipe which is vertically arranged, the bottom of the water guide pipe is communicated with the cover plate, and the upper end of the water guide pipe is communicated with the water homogenizing part and is positioned right below the water baffle.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is:

1. add actuating mechanism in the mop bucket, can realize that water is automatic take out to rotatory mop head below and the rotation mop head washs, the operator only need hand the mop pole can, very laborsaving, and applicable more mop heads, the suitability is promoted.

2. The mop barrel is divided into an outer barrel and an inner barrel, so that the dirt removal separation is realized, the water use efficiency is improved, and the energy is saved.

3. Set up the water containing portion bottom interior bucket, rotary device sets up in the water containing portion, carry out the moisturizing through the infiltration hole, can realize the washing of mop in succession and two steps of spin-drying, when the mechanism of drawing water can draw out water, carry out the washing operation of rotatory mop head, because the pumping speed of the mechanism of drawing water is greater than the moisturizing speed in infiltration hole far away, in case the water level is low in the water containing portion and when unable play water, what go on is the spin-drying operation of rotatory mop head, through the structure, realize the quantitative use of the volume of washing water in the washing cycle, and directly spin-dry after wasing, the operation is more for portably and more water economy resource.

4. The water homogenizing mechanism is additionally arranged, so that the whole mop cloth can be quickly and uniformly wetted, the utilization rate of water is improved, and the water consumption required by one mop cleaning period is reduced.

5. The water spray holes comprise vertical spray holes and inclined spray holes, the inclined spray holes are additionally provided with a plurality of mops, the rotating mop heads of the mops are smaller than the mounting plate, and at the moment, water sprayed out of the inclined spray holes can only be sprayed on the inner wall of the outer barrel and cannot be sprayed out of the outer barrel.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention. In the drawings:

FIG. 1 is a top view of an automatic cleaning mop bucket of the present invention;

FIG. 2 isbase:Sub>A cross-sectional view A-A of FIG. 1;

FIG. 3 is an isometric view of an automatic cleaning mop bucket of the present invention;

fig. 4 is an isometric view of the pumping device of the present invention;

fig. 5-6 are the split views of the water pumping device of the present invention.

In the figure: 1. a barrel body; 101. an outer tub; 102. an inner barrel; 2. a groove; 3. mounting a plate; 301. a water injection tank; 4. a cover; 5. a water homogenizing box; 6. a water baffle; 7. a water conduit; 8. a motor; 801. a housing; 802. a motor shaft; 9. a sealing structure; 901. sealing the shell; 902. sealing the cover; 10. rotating the plug; 11. a rotating device; 1101. a rotating shaft; 1102. a rotating blade; 12. a cover plate; 13. plugging; 14. a water spray hole; 1401. vertically spraying holes; 1402. inclining the spray hole; 15. a first cleaning member; 16. a second cleaning member.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

An automatic cleaning mop bucket can be used in cooperation with a mop with a rotary mop head, the mop bucket comprises a bucket body 1, in order to realize cleaning and separating, the bucket body 1 comprises an inner bucket 102 and an outer bucket 101 which are integrally arranged, as shown in figures 1-3, the inner bucket 102 and the outer bucket 101 share one bottom, the inner bucket 102 is used for storing clear water, the outer bucket 101 is used for storing sewage, a lifting ring is hinged to the top of the outer bucket 101, a drain hole is arranged at the bottom of the side wall of the outer bucket 101, a plug 13 capable of opening or closing the drain hole is arranged on the drain hole, 3 matching modes of the inner bucket 102 and the outer bucket 101 are provided, the first mode is as follows: the inner barrel 102 is in the same shape as the outer barrel 101 and is concentrically arranged; the second method is as follows: the inner barrel 102 and the outer barrel 101 are different in shape but are concentrically arranged; the third is: the inner barrel 102 and the outer barrel 101 are different in shape and are not concentrically arranged, and the first embodiment is adopted, and the inner barrel 102 and the outer barrel 101 are concentrically arranged and are circular.

In order to realize the automatic cleaning of the mop head, a supporting part for supporting the rotating mop head and a water pumping device for automatically pumping water to the supporting part for cleaning the rotating mop head are arranged in the barrel body 1, as shown in fig. 2, the supporting part comprises a rotating top head 10 which is arranged in the barrel body 1 and is used for being connected with the rotating mop head, the shape of the rotating top head 10 is not circular, and the rotating top head can be set to be oval, regular polygon or spline, a jack matched with the rotating top head 10 is arranged at the center of the bottom of the rotating mop head, the rotating of the rotating mop head is controlled by the rotation of the rotating top head 10, the water pumping device comprises a rotating device 11 which is arranged in the inner barrel 102, a driving mechanism for driving the rotating device 11 and a water guide channel, and when the rotating device 11 rotates, the water in the barrel body is upwards sprayed through the water guide channel.

In the above arrangement, the rotating device 11 includes a rotating shaft 1101 synchronously rotating below the rotating plug 10 and rotating blades 1102 arranged at intervals around the circumference of the rotating shaft 1101 at the bottom of the rotating shaft 1101, the driving mechanism is a motor 8, specifically referring to fig. 2, the motor 8 includes a housing 801 and a motor shaft 802, the motor shaft 802 vertically penetrates through two ends of the housing 801, the upper end of the motor shaft 802 is detachably and fixedly connected with the rotating plug 10 through screws after being in key fit, and the lower end of the motor shaft 802 is detachably and fixedly connected with the rotating shaft 1101 through screws after being in key fit.

In order to seal the motor 8, a sealing structure 9 is arranged outside the housing 801, the sealing structure 9 is shown in fig. 2 and 5-6, and includes a sealing shell 901 with a downward opening for the housing 801 to pass through and a cover 902 capable of opening or sealing the opening, a through hole for the motor shaft 802 to pass through is arranged on the upper end face of the sealing shell 901 and the cover 902, and a sealing ring is arranged between the through hole and the motor shaft 802.

In order to realize the uniform spraying of water, a water homogenizing mechanism is arranged in the barrel body 1 and uniformly sprays the water in the water guide channel to the lower end of the rotating mop head, the water homogenizing mechanism is shown in figure 2 and comprises a mounting plate 3 which is fixedly arranged below the rotating mop head after the rotating mop head is matched with a rotating top head 10 and a water homogenizing part which is raised at the upper end of the mounting plate 3 and can drive the water led out from the water guide channel to be uniformly sprayed along the radial direction of the rotating surface of the rotating mop head, the mounting plate 3 can open or close the barrel cover of the inner barrel 102, in order to facilitate the water injection of the inner barrel 102, a water injection groove 301 is arranged on the mounting plate 3, a sealing cover 902 which can open or close the water injection groove 301 is arranged on the mounting plate 3, the water homogenizing part comprises a water homogenizing box 5 with an inner cavity, a water inlet hole which is arranged at the lower end of the water homogenizing box 5 and corresponds to the outlet of the water guide channel, a water baffle 6 is arranged in the water homogenizing box 5 and water holes 14 which are uniformly arranged at intervals along the radial direction of the rotating surface of the rotating mop head at the upper end surface of the homogenizing box.

Due to the difference in shape and size of the rotating mop head, in order to be suitable for more mops, referring to fig. 2 to 3, the water spraying holes 14 include vertical spraying holes 1401 and inclined spraying holes 1402, which are sequentially distributed from the center of rotation of the rotating mop head to the radial direction of the rotating surface, and the setting proportion range of the inclined spraying holes 1402 to the vertical spraying holes 1401 is 2; the inclined angle between the inclined spray holes 1402 and the mounting plate 3 is 20-60 °, and the addition of the inclined spray holes 1402 has an advantage that once the diameter of the rotating mop head is smaller than the diameter of the mounting plate 3 or the shape of the rotating mop head is not circular, water sprayed from the inclined spray holes 1402 is sprayed onto the inner wall of the outer tub 101 and does not spray to the outside of the outer tub 101 to wet the floor.

In order to increase the cleaning force of the rotating mop head, a first cleaning member 15 is disposed on the upper end surface of the mounting plate 3, as shown in fig. 3, the first cleaning member 15 includes a brush or a friction protrusion vertically disposed upward on the upper end of the mounting plate 3, the first cleaning member 15 is radially distributed along the rotating surface of the rotating mop head, at least one row of the first cleaning member 15 is disposed around the circumference of the rotating top 10, a second cleaning member 16 is disposed on the inner wall of the outer tub 101, and the second cleaning member 16 includes a brush or a friction protrusion vertically extending toward the center of the outer tub 101 on the inner wall of the outer tub 101.

In order to realize automatic drying, the bottom of the inner barrel 102 is provided with a water containing part capable of containing water required by a cleaning period, the rotating device 11 is arranged in the water containing part, as shown in specific reference figure 2, when the motor 8 rotates, the water pumping speed is far greater than the water seepage speed of the water seepage holes, so that once the water in the water containing part is pumped to a lowest value, the mop is in a dry-spinning state.

The concrete setting of water containing portion includes in the sunken recess 2 in interior bucket 102 bottom and in the outside horizontally extending apron 12 that can open or close recess 2 in sealed shell 901 bottom, be provided with the infiltration hole of the interior bucket of intercommunication on water containing portion, it sets up on apron 12 to prefer this infiltration hole, the water guide channel is the aqueduct 7 of a vertical setting, the bottom of aqueduct 7 and apron 12 an organic whole set up and with the inside intercommunication of water containing portion, the upper end and the even water portion intercommunication of aqueduct 7 just are located breakwater 6 under.

In the scheme, a gravity sensor can be arranged on the rotating plug 10, a controller is arranged in the sealed shell 901, the sensor and the motor 8 are both connected with the controller, and when the gravity sensor senses weight, the controller controls the motor 8 to rotate; when the gravity sensor does not sense the weight, the controller controls the motor 8 to stop rotating, in addition, a switch can also be arranged on the outer barrel 101, the switch is connected with the motor 8, and the opening and closing of the motor 8 are controlled by the driving switch.

When the mop bucket is used, the mounting plate 3 is firstly opened or only the sealing cover 902 is opened, preferably only the sealing cover 902 is opened, the inner bucket 102 is filled with clean water through the water injection groove 301, then the sealing cover 902 is closed, after a little moment, the mop head to be cleaned can be matched with the rotating top head 10 after the water containing part is filled with clean water, when the motor 8 is started, the motor 8 simultaneously drives the rotating shaft 1101 and the rotating top head 10 to rotate, at the moment, the rotating mop head synchronously rotates under the driving of the rotating top head 10, simultaneously, the rotating shaft 1101 drives the rotating blades 1102 to synchronously rotate, water in the water containing part is injected into the water guide pipe 7, water enters the water homogenizing box through the water guide pipe 7 and is uniformly sprayed out from the water spray holes 14 after being uniformly spread by the water baffle plate 6, when the rotating mop head rotates, the lower end of the rotating mop head rubs with the first cleaning component 15 for cleaning, the outer wall of rotatory mop head cleans with the 16 frictions of second cleaning element, clean water washs and flows to outer bucket 101 along mounting panel 3 behind the rotatory mop head in, treat that water output in the water-holding portion is to being less than when minimum, water is no longer spout from hole for water spraying 14, at this moment, the mop head is in and is thrown away the state futilely, after throwing a period of time futilely, can close motor 8, then extract the mop can, treat after waiting a period of time slightly, in case water-holding portion is in the back of filling water, can carry out the washing of next washing cycle again, compare in prior art, the mop head only need with the mop pole rotate be connected can, applicable more mop, and the size of rotatory mop head only need be less than outer bucket 101 can, and in the cleaning process, only need handheld mop pole can, need not extra physical output, it is more laborsaving.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an automatic wash mop bucket, mop bucket and rotatory mop head cooperation, include staving (1), its characterized in that: the novel mop comprises a barrel body (1), wherein a supporting part used for supporting a rotary mop head and a water pumping device used for automatically pumping water to the supporting part to clean the rotary mop head are arranged in the barrel body (1), the water pumping device comprises a rotating device (11) arranged in the barrel body (1), a driving mechanism used for driving the rotating device (11) to rotate and a water guide channel, and when the rotating device (11) rotates, the water in the barrel body (1) is upwards sprayed to the rotary mop head through the water guide channel.

2. The automatic cleaning mop bucket of claim 1, wherein: the supporting part comprises a rotating top head (10) which is arranged in the barrel body (1) and is connected with the rotating mop head, the rotation of the rotating top head is controlled by a driving mechanism, and the rotation of the rotating mop head is controlled by the rotation of the rotating top head (10).

3. The automatic cleaning mop bucket of claim 1, wherein: the rotating device (11) comprises a rotating shaft (1101) which synchronously rotates below the rotating plug (10) and a rotating blade (1102) arranged on the rotating shaft (1101).

4. A self-cleaning mop bucket according to claim 3, wherein: the driving mechanism is a motor (8), the motor (8) comprises a shell (801) and a motor shaft (802), the motor shaft (802) vertically penetrates through two ends of the shell (801), the upper end of the motor shaft (802) is fixedly connected with the rotating top (10), and the lower end of the motor shaft (802) is fixedly connected with the rotating shaft (1101).

5. The automatic cleaning mop bucket of claim 4, wherein: the motor shaft sealing structure is characterized in that a sealing structure (9) is arranged outside the shell (801), the sealing structure (9) comprises a sealing shell (901) with a downward opening through which the shell (801) can pass and a sealing cover (902) with an opening capable of being opened or sealed, through holes through which a motor shaft (802) can pass are formed in the upper end face of the sealing shell (901) and the sealing cover (902), and sealing rings are arranged between the through holes and the motor shaft (802).

6. The automatic cleaning mop bucket of claim 1, wherein: a water-homogenizing mechanism which uniformly sprays water in the water guide channel to the lower end of the rotating mop head is arranged in the barrel body (1).

7. The automatic cleaning mop bucket of claim 6, wherein: the water homogenizing mechanism comprises a mounting plate (3) which is fixedly arranged below the rotary mop head after the rotary mop head is matched with the rotary top head (10) and a water homogenizing part which is raised at the upper end of the mounting plate (3) and can drive water guided out from the water guide channel to be uniformly sprayed out along the radial direction of the rotary surface of the rotary mop head.

8. The self-cleaning mop bucket of claim 7, wherein: the water homogenizing part comprises a water homogenizing box (5) with an inner cavity, a water inlet hole which is arranged at the lower end of the water homogenizing box (5) and corresponds to the outlet of the water guide channel, a water baffle (6) which is arranged in the water homogenizing box (5) right above the water inlet hole, and water spraying holes (14) which are arranged on the upper end surface of the water homogenizing box (5) along the radial direction of the rotating surface of the rotating mop head at uniform intervals.

9. The self-cleaning mop bucket of claim 8, wherein: the water spray holes (14) comprise vertical spray holes (1401) which are distributed in sequence from the rotating center close to the rotating mop head to the radial direction of the rotating surface and inclined spray holes (1402) which are inclined towards the inner wall of the barrel body (1).

10. An automatic cleaning mop bucket as defined in claim 9, wherein: the included angle between the inclined spray holes (1402) and the mounting plate (3) ranges from 20 degrees to 60 degrees.

11. An automatic cleaning mop bucket as defined in claim 7, wherein: the upper end face of the mounting plate (3) is provided with a first cleaning component (15), and the first cleaning component (15) comprises a brush or a friction bulge which is vertically and upwards arranged at the upper end of the mounting plate (3).

12. The self-cleaning mop bucket of claim 11, wherein: the first cleaning components (15) are distributed along the radial direction of the rotating surface of the rotating mop head.

13. The self-cleaning mop bucket of claim 11, wherein: the inner wall of the barrel body (1) is provided with a second cleaning part (16), and the second cleaning part (16) comprises a brush or a friction bulge which vertically extends to the center of the barrel body (1) from the inner wall of the barrel body (1).

14. An automatic cleaning mop bucket as defined in claim 7, wherein: the barrel body (1) comprises an inner barrel (102) used for containing clean water and an outer barrel (101) used for containing sewage, the water pumping device is arranged inside the inner barrel (102), and the mounting plate (3) is a barrel cover for sealing the inner barrel (102).

15. An automatic cleaning mop bucket as defined in claim 7, wherein: the mounting plate (3) is provided with a water injection groove (301), and the mounting plate (3) is provided with a cover (4) capable of opening or closing the water guide groove.

16. A self-cleaning mop bucket according to claim 14, wherein: the inner barrel (102) and the outer barrel (101) are same in shape and are concentrically arranged, or the inner barrel (102) and the outer barrel (101) are different in shape and are not concentrically arranged.

17. An automatic cleaning mop bucket as defined in claim 14, wherein: the bottom of the inner barrel (102) is provided with a water containing part capable of containing water required by one cleaning period, the rotating device (11) is arranged in the water containing part, and the water containing part is provided with a water seepage hole communicated with the inner barrel.

18. The self-cleaning mop bucket of claim 17, wherein: the water containing part comprises a groove (2) which is sunken at the bottom of the inner barrel (102) and a cover plate (12) which is extended outwards and horizontally at the bottom of the sealing shell (901) and can open or close the groove (2).

19. An automatic cleaning mop bucket as defined in claim 18, wherein: the water guide channel is a water guide pipe (7) which is vertically arranged, the bottom of the water guide pipe (7) is communicated with the cover plate (12), and the upper end of the water guide pipe (7) is communicated with the water homogenizing part and is positioned under the water baffle (6).