CN216393906U - Foldable foam machine - Google Patents

Abstract

The utility model belongs to the technical field of foam machines, in particular to a foldable foam machine, which comprises: the machine shell is internally and externally provided with a liquid outlet assembly and a spray rod respectively, and the spray rod sprays foam through the liquid outlet assembly; the spray rod is movably arranged on the folding accommodating part and has a folding state and an opening state; when the spray rod is folded, the spray rod is accommodated in the folding accommodating part; when the spray rod is in an open state, the spray rod extends out of the folding accommodating part and is used for discharging liquid. According to the utility model, the spray rod is placed through the folding accommodating part arranged on the machine shell, so that the folding and accommodating of the spray rod are realized, the packaging volume of the spray rod is reduced through the folding and accommodating of the spray rod, and the required accommodating space of the folding foam machine is reduced.

Description

Foldable foam machine

Technical Field

The utility model belongs to the technical field of foam machines, and particularly relates to a foldable foam machine.

Background

China utility model 2020204706043 discloses a foam machine that leakproofness is good, and it includes the foam machine casing and can dismantle the stock solution bottle of being connected with the foam machine casing, is equipped with the chamber of placing out liquid mechanism in the foam machine casing. A convex column extends upwards from the foam machine shell, a through groove communicated with the liquid storage bottle and the placing cavity is arranged in the convex column, a liquid inlet column of the liquid outlet mechanism is inserted into the through groove, and an O-shaped sealing ring is arranged between the liquid inlet column and the inner wall of the through groove; the foam machine shell extends outwards to form a liquid outlet portion, a liquid outlet opening is formed in the bottom of the liquid outlet portion, a liquid outlet nozzle assembly is arranged at the position, covered by the liquid outlet opening, of the liquid outlet portion, a ring sealing rubber pad is arranged between the liquid outlet nozzle assembly and the foam machine shell and surrounds the liquid outlet opening, an air inlet hole is further formed in the foam machine shell, and a waterproof breathable film covers the air inlet hole.

In the utility model, the foam machine is provided with a liquid outlet part with a fixed structure, and the liquid outlet part is always in an extending state, thereby leading the packaging volume of the foam machine to be increased and greatly increasing the packaging cost; and, when the user carries this foam maker, because this foam maker has the liquid portion that stretches out, occupy user's carrying space greatly, lead to it to be very inconvenient to carry.

Disclosure of Invention

The utility model aims to provide a foldable foam machine which is simple in structure and convenient to store.

The purpose of the utility model is realized as follows:

a foldable foam machine, comprising:

the machine shell is internally and externally provided with a liquid outlet assembly and a spray rod respectively, and the spray rod sprays foam through the liquid outlet assembly;

the spray rod is movably arranged on the folding accommodating part and has a folding state and an opening state;

when the spray rod is folded, the spray rod is accommodated in the folding accommodating part;

when the spray rod is in an open state, the spray rod extends out of the folding accommodating part and is used for discharging liquid.

Further, the folding accommodating part comprises a groove opened on the outer surface of the casing; one end of the spray rod is hinged in the groove; the spray rod extends out of the groove or is accommodated in the groove by driving the spray rod to rotate.

Further, the groove comprises a strip-shaped groove vertically arranged on the outer surface of the shell, the spray rod is provided with a hinged end and a stirring end, and when the spray rod is immersed in the strip-shaped groove, a stirring gap is formed between the stirring end and the groove wall of the strip-shaped groove.

Furthermore, a poking groove for buckling a hand of a user is formed in the top of the poking end.

Further, the groove comprises a transverse groove formed in the outer surface of the shell, one end of the spray rod is hinged in the transverse groove, and the spray rod is driven to swing in the transverse groove;

the spray rod is in a folded state when the spray rod swings to the first side wall, and the spray rod is in an opened state when the spray rod swings to the second side wall.

Furthermore, the outer end of the spray rod is provided with a raised nozzle for discharging liquid, and the lower side wall of the transverse groove is provided with a first step part for accommodating the rod body of the spray rod and a second step part for accommodating the nozzle.

Further, the folding accommodating part comprises a slide way arranged in the machine shell, and the spray rod is arranged in the slide way in a sliding way; the length of the slide way is matched with that of the spray rod, and the spray rod is accommodated in the slide way or extends out of the slide way by driving the spray rod to move in the slide way.

Furthermore, the interior of the shell is hollow, and the slideway comprises a guide hole which is formed on the shell and enables the interior and the exterior of the shell to be communicated and a cavity part in the shell; the spray rod is inserted in the guide hole, and a track assembly enabling the spray rod to slide in the guide hole is arranged between the spray rod and the guide hole.

Furthermore, the slideway is vertically arranged in the shell, a slideway port is formed in the upper end of the slideway, and a notch groove is formed in the shell above the slideway port; corresponding hinge assemblies are arranged on the notch groove and the spray rod, and the spray rod is positioned on the slide way to fold the spray rod or the part of the spray rod, on which the hinge assemblies are arranged, is positioned in the notch groove to turn over the spray rod for use.

Further, the liquid outlet assembly comprises:

the water pump is arranged in the shell, and one side of the water pump is provided with a power supply for supplying power to the water pump;

one end of the water outlet pipe is connected with the water pump, and the other end of the water outlet pipe is connected with the spray rod;

one end of the water inlet pipe is connected with the liquid source, and the other end of the water inlet pipe is connected with the water pump;

the switch is arranged on the shell and drives the switch to turn on or off the water pump; the foaming structure is arranged in the spray rod;

when the water pump is switched on, liquid in the liquid source is sent into the spray rod and changed into foam through the foaming structure to be sprayed out.

Compared with the prior art, the utility model has the outstanding and beneficial technical effects that:

according to the utility model, the spray rod is placed through the folding accommodating part arranged on the machine shell, so that the folding and accommodating of the spray rod are realized, the packaging volume of the spray rod is reduced through the folding and accommodating of the spray rod, and the required accommodating space of the folding foam machine is reduced.

Drawings

FIG. 1 is an open schematic view of embodiment 1.

FIG. 2 is a schematic folding diagram of example 1.

Fig. 3 is a schematic view of the structure at the upper case in embodiment 1.

FIG. 4 is a schematic view of the structure of a liquid outlet assembly in embodiment 1.

Fig. 5 is a schematic view of the spray bar of the present invention.

FIG. 6 is a schematic folding view of example 2.

Fig. 7 is an open schematic view of embodiment 2.

Fig. 8 is a schematic structural view of the case in embodiment 2.

FIG. 9 is an open schematic view of embodiment 3.

FIG. 10 is a schematic folding view of example 3.

Fig. 11 is an exploded view of example 3.

Fig. 12 is a driving schematic diagram 1 of embodiment 4.

Fig. 13 is a driving schematic diagram 2 of embodiment 4.

Fig. 14 is a driving schematic diagram 3 of embodiment 4.

Fig. 15 is a schematic structural view of the case in embodiment 4.

The reference numerals in the figures denote the meanings:

1. a housing; 11. an equipment housing; 12. a liquid storage tank; 2. a spray rod; 21. a hinged end; 22. a toggle end; 23. shifting the gap; 24. a poking groove; 25. a spray head; 26. a convex column; 27. a first bump; 28. an opening; 3. a liquid outlet assembly; 31. a water pump; 32. a power source; 33. a water outlet pipe; 34. a water inlet pipe; 35. a switch; 4. a strip-shaped groove; 41. a rotating groove; 42. a first pit groove; 5. a transverse slot; 51. a first side wall; 52. a second side wall; 53. a first step portion; 54. a second step portion; 55. a lower sidewall; 56. a hinged lever; 6. a slideway; 61. a guide hole; 62. a track assembly; 621. a chute; 622. a slide pin; 64. a notch groove.

Detailed Description

The utility model is further described below with reference to specific examples:

example 1:

a foldable foam machine comprising:

casing 1, casing 1 is equipped with out liquid subassembly 3 and spray lance 2 inside and outside respectively, makes spray lance 2 blowout foam through going out liquid subassembly 3:

referring to fig. 1 and 2, the housing 1 of the embodiment is composed of two parts, which includes a liquid storage tank 12 located at the lower side of the foldable foam maker and an equipment housing 11 located at the upper side of the liquid storage tank 12, wherein the liquid storage tank 12 is used for placing liquid, and the equipment housing 11 and the liquid storage tank 12 can be fastened and connected through threads, and the liquid storage tank 12 can be taken out through loosening the threads, so as to replace or supplement the liquid in the liquid storage tank 12; the device housing 11 is cylindrical and houses the liquid outlet assembly 3, and the spray bar 2 is generally mounted on the main housing.

Specifically, as shown in fig. 4, the liquid outlet assembly 3 includes: the water pump 31, the water outlet pipe 33, the water inlet pipe 34, the switch 35 and the foaming structure arranged in the spray rod;

the water pump 31 is arranged in the equipment shell 11, and one side of the water pump 31 is provided with a power supply 32 for supplying power to the water pump 31; the power supply 32 is a battery fixed in the equipment shell 11 and connected with the water pump 31;

one end of the water outlet pipe 33 is connected with the liquid outlet end of the water pump 31, and the other end of the water outlet pipe is connected with the spray rod 2; wherein, the front end of the spray rod 2 is provided with a spray head 25 protruding from the liquid outlet, and the spray head 25 is internally provided with the foaming structure; the rear end of the spray rod 2 is provided with an opening 28, the water outlet pipe 33 is connected to the upper end of a water pump 31, penetrates through the opening 28 to extend into the interior of the spray rod 2 and is connected with the spray head 25;

one end of the water inlet pipe 34 is connected with a liquid source, namely the liquid storage tank 12, and the other end of the water inlet pipe 34 is connected with the liquid inlet end of the water pump 31; the water inlet pipe 34 is arranged at the lower end of the water pump 31, and the water inlet pipe 34 penetrates through the equipment shell 11 and enters the liquid storage tank 12; and

a switch 35 provided on the cabinet 1, for turning on or off the water pump 31 by driving the switch 35; the switch 35 is located at the top of the device housing 11, and specifically includes a button and a control circuit board located below the button, and the button is pressed to start or stop the water pump 31; when the water pump 31 is started, water is sucked by the water inlet pipe 34, passes through the water pump 31, is sent out from the water outlet pipe 33, passes through the foaming structure in the nozzle 25, is converted into foam, and is sprayed out.

The machine shell 1 in the patent is provided with a folding containing part communicated with the outside, and the spray rod 2 is movably arranged on the folding containing part and has a folding state and an opening state;

in a folded state, the spray rod 2 is accommodated in the folding accommodating part;

when the spray rod is in an open state, the spray rod 2 extends out of the folding accommodating part and is used for discharging liquid.

In this embodiment, as shown in fig. 1 and 2, the folding accommodating portion includes a groove formed on the outer surface of the housing 1, specifically, a strip-shaped groove 4 vertically disposed on the outer surface of the housing 1, and the shape of the strip-shaped groove 4 is adapted to the shape of the spray bar 2; the spray rod 2 is arranged in the strip-shaped groove 4, the spray rod 2 is provided with a hinged end 21 and a toggle end 22, the left side and the right side of the hinged end 21 of the spray rod 2 are provided with convex columns 26, correspondingly, the inner wall of the upper end of the strip-shaped groove 4 is provided with a rotating groove 41 matched with the convex columns 26 in shape, and the spray rod 2 is hinged in the strip-shaped groove 4 by enabling the convex columns 26 to be located in the rotating groove 41.

The length of the strip-shaped groove 4 is slightly longer than that of the spray rod 2, so that a toggle gap 23 is formed between the toggle end 22 and the groove wall of the strip-shaped groove 4, and a user can toggle the spray rod 2 by placing a finger in the toggle gap 23 to enable the spray rod 2 to rotate around a hinge point of the spray rod 2 until the spray rod 2 is perpendicular to the machine shell 1 and then stops; at the moment, the spray rod 2 can discharge liquid, and the foldable foam machine can be used by pressing the switch 35; after the foam maker finishes using, the user can make spray lance 2 rotate back to in the strip-shaped groove 4 by pressing spray lance 2, realize that the folding of spray lance 2 is accomodate to accomodate the packing volume that reduces spray lance 2 through the folding of spray lance 2, reduce this folding foam maker's required storage space.

Further, as shown in fig. 2 and 5, in order to facilitate the user to drive the spray bar 2, a toggle groove 24 for the user to catch in the hand is provided at the top of the toggle end 22 of the spray bar 2, and the user can catch the finger into the toggle groove 24 for driving.

Further, as shown in fig. 3, the two side end surfaces of the spray rod 2 provided with the protruding columns 26 are further provided with limiting structures, which include first protruding points 27 arranged on the left and right sides of the spray rod 2 and first concave point grooves 42 arranged on the inner walls of the two sides of the strip-shaped groove 4; in the patent, two first concave point grooves 42 are arranged, the two first concave point grooves 42 are distributed at an angle of 90 degrees with the rotating groove 41 as the center, and respectively correspond to the folded state and the opened state of the spray rod 2, when the spray rod 2 is in the folded state, the first convex point 27 is positioned in one of the first concave point grooves 42, the current position of the spray rod 2 is limited left and right through concave-convex matching, and at the moment, the spray rod 2 is arranged in parallel with the equipment shell 11; when the spray rod 2 needs to enter an open state, a user drives the spray rod 2 to overcome the concave-convex matching of the first convex point 27 and the first concave point groove 42 to swing until the spray rod 2 swings to a specified position, the first convex point 27 of the spray rod enters the other first concave point groove 42, the spray rod 2 and the equipment shell 11 are vertically arranged at the moment, and the current position of the spray rod 2 is limited left and right through the concave-convex matching, so that the gear function of the spray rod 2 is realized.

Example 2:

in the embodiment, the groove comprises a transverse groove 5 formed on the outer surface of the machine shell 1, one end of the spray rod 2 is hinged in the transverse groove 5, and the spray rod 2 is driven to swing in the transverse groove 5;

the transverse slot 5 is provided with a first side wall 51 and a second side wall 52 on two sides of a hinge point of the spray rod 2, when the spray rod 2 swings to the first side wall 51, the spray rod 2 is in a folded state, and when the spray rod 2 swings to the second side wall 51, the spray rod 2 is in an open state.

As shown in fig. 6 to 8, the transverse groove 5 is opened at the upper end of the cabinet 1, and has square side walls at the left and right sides thereof and fan-shaped side walls at the upper and lower sides thereof; the square side walls are arranged in a long and short mode to form a relatively long first side wall 51 and a relatively short second side wall 52, a hinge rod 56 is arranged in the transverse groove 5, one end, connected with the water outlet pipe 33, of the spray rod 2 is hinged to the hinge rod 56, and a user can directly drive the spray rod 2 with hands to enable the spray rod 2 to swing in the transverse groove 5, so that the spray rod 2 is folded. As shown in fig. 6, when the spray bar 2 swings to the first side wall 51, the spray bar 2 abuts on the first side wall 51, and the spray bar 2 is wrapped in the transverse slot 5 because the first side wall 51 is long and longer than or equal to the length of the spray bar 2, and the spray bar 2 is in a folded state; as shown in fig. 7, when the spray bar 2 swings to the second side wall 52, the spray bar 2 abuts on the second side wall 52, and the second side wall 52 is shorter and shorter than the length of the spray bar 2, so that the spray bar 2 is partially exposed out of the transverse slot 5, and the liquid outlet work of the foldable foam machine can be performed.

In addition to the manner of obtaining the first side wall 51 and the second side wall 52 meeting the folding requirement of the spray bar 2 by arranging the left and right side walls of the transverse slot 5 as two side walls with different lengths, the user can make the first side wall 51 and the second side wall 52 meet the folding requirement of the spray bar 2 by changing the hinge position of the spray bar 2. As shown in fig. 8, the hinge point of the spray bar 2 is arranged close to the second side wall 52 and is opposite to the middle position of the second side wall 52, when the spray bar 2 swings to the second side wall 52, the spray bar 2 extends outwards from the middle of the second side wall 52, and the second side wall 52 does not have enough length to accommodate the spray bar 2, so that part of the spray bar 2 extends out of the shell to perform the liquid outlet work of the foldable foam machine; with respect to the first side wall 51, the hinge point of the spray bar 2 is located opposite the root of the first side wall 51, and when the spray bar 2 swings to the first side wall 51, the spray bar 2 extends outwardly from the root of the first side wall 51, with the first side wall 51 having sufficient length to accommodate the spray bar 2 such that the spray bar 2 folds within the transverse slot 5.

Further, a first step 53 for accommodating the stem of the spray bar 2 and a second step 54 for accommodating the spray head 25 are arranged on the lower side wall 55 of the transverse groove 5. As shown in fig. 5, the spray head 25 protrudes from the lower end surface of the spray bar 2, and in order to accommodate the height difference between the spray head 25 and the plane of the spray bar 2, the first step 53 and the second step 54 are provided, and at the same time, the rod body of the spray bar 2 is limited up and down by the first step 53, and the spray bar 2 is placed to swing up and down around the hinge rod 56.

Other structures in this embodiment, such as the structure of the housing 1 and the liquid outlet assembly 3, are substantially the same as those in embodiment 1, and are not described in detail in this embodiment.

Example 3:

in the present embodiment, the folding container includes a transverse slide 6 disposed inside the casing 1, and the spray bar 2 is slidably disposed in the slide 6; the length of the slide way 6 is matched with that of the spray rod 2, and the spray rod 2 is completely immersed in the slide way 6 or extended out of the slide way 6 by driving the spray rod 2 to move in the slide way 6.

As shown in fig. 9-11, the interior of the housing 1 is hollow, the surface of the housing 1 is provided with a guide hole 61 communicating with the interior and the exterior of the housing 1, the spray bar 2 is inserted into the guide hole 61, and a rail assembly 62 for sliding the spray bar 2 in the guide hole 61 is arranged between the spray bar 2 and the guide hole 61; the track assembly 62 includes a sliding slot 621 disposed on the spray rod 2 and a sliding pin 622 disposed in the guide hole 61, and when the spray rod 2 is located in the guide hole 61, the sliding pin 622 is located in the sliding slot 621 for fixing. The slide way 6 comprises a guide hole 61 which is arranged on the machine shell 1 and enables the inside and the outside of the machine shell 1 to be communicated and a hollow part in the machine shell 1, a track assembly 62 in the guide hole 61 is used for enabling the spray rod 2 to be arranged in the slide way 6 in a sliding mode, and the spray rod 2 is driven by hand to move in the guide hole 61 and the slide way 6 formed by connecting the inside of the machine shell 1 for folding.

The width of the housing 1 in this embodiment is adapted to the length of the spray bar 2, and when the spray bar 2 is completely submerged in the slide 6, the front end of the spray bar 2 is located in the guide hole 61. As shown in fig. 10, a gap for turning the spray bar 2 is provided between the front end of the spray bar 2 and the guide hole 61.

Example 4:

in this embodiment, the slideway 6 is axially arranged inside the casing 1, a slideway port is arranged at the upper end of the slideway 6, and a notch groove 64 is arranged on the casing 1 above the slideway port; corresponding hinge assemblies are arranged on the notch groove 64 and the spray rod 2, and the spray rod 2 is folded by enabling the spray rod 2 to be positioned on the slide 6 or enabling the part, provided with the hinge assemblies, of the spray rod 2 to be positioned in the notch groove 64 so that the spray rod 2 can be turned over for use.

Specifically, as shown in fig. 15, a partition plate is provided in the housing 1, and a slide 6 having a shape corresponding to the spray bar 2 is formed between the partition plate and the housing 1, so that the spray bar 2 can be directly placed in the slide 6 and folded. When the spray bar 2 is in the folded state, as shown in fig. 13, most of the spray bar 2 is hidden in the slide 6, the upper end of the spray bar 2 is located in the notched groove 64, and the spray bar 2 can be drawn out by driving the part of the spray bar 2 exposed in the notched groove 64.

As shown in fig. 14, the hinge assembly in this embodiment is a second protruding point disposed at the lower end of the spray bar 2 and a second concave groove disposed in the notched groove 64, and when the spray bar 2 is gradually withdrawn, the second protruding point will finally enter the second concave groove due to the movement of the spray bar 2, as shown in fig. 12, and the user can drive the spray bar 2 to turn over, so that the spray bar 2 is perpendicular to the housing 1, and the foam maker works normally.

Generally, the height value of the cabinet 1 is much larger than the width value of the cabinet 1, and the cabinet 1 in the patent adopts a column structure, because the liquid outlet assembly 3 installed in the cabinet 1 is mostly composed of flat elements and needs a certain height for installation; if the structure of the chute 6 in embodiment 3 is adopted, the cabinet 1 needs to have a larger width, so that the volume of the foam machine is greatly increased, but the increased volume cannot be well utilized, resulting in wasted space. Compared with embodiment 3, the spray rod 2 is accommodated by the aid of the large height of the machine shell 1 through longitudinally arranging the slide ways 6, so that the machine shell 1 does not need to be widened, the size of the foam machine is reduced, and the foam machine is convenient to store.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered by the protection scope of the utility model.

Claims (10)

1. A foldable foam machine, comprising:

the foam spraying machine comprises a shell (1), wherein a liquid outlet assembly (3) and a spraying rod (2) are respectively arranged inside and outside the shell (1), and the spraying rod (2) sprays foam through the liquid outlet assembly (3);

wherein, the machine shell (1) is provided with a folding containing part communicated with the outside, and the spray rod (2) is movably arranged on the folding containing part and has a folding state and an opening state;

when the spray rod (2) is in a folded state, the spray rod is accommodated in the folding accommodating part;

when the spray rod is in an open state, the spray rod (2) extends out of the folding accommodating part and is used for discharging liquid.

2. A foldable foam machine according to claim 1, wherein: the folding containing part comprises a groove arranged on the outer surface of the machine shell (1); one end of the spray rod (2) is hinged in the groove; the spray rod (2) is extended out of the groove or is accommodated in the groove by driving the spray rod (2) to rotate.

3. A foldable foam machine according to claim 2, wherein: the recess is including erectting strip groove (4) of putting on casing (1) surface, spray lance (2) have hinged end (21) and stir end (22), work as spray lance (2) sink in strip groove (4), stir end (22) with stir space (23) have been formed between the cell wall in strip groove (4).

4. A foldable foam machine according to claim 3, wherein: the top of the poking end (22) is provided with a poking groove (24) for a user to buckle in.

5. A foldable foam machine according to claim 2, wherein: the groove comprises a transverse groove (5) formed in the outer surface of the shell (1), one end of the spray rod (2) is hinged in the transverse groove (5), and the spray rod (2) is driven to swing in the transverse groove (5);

the spray rod (2) is in a folded state when the spray rod (2) swings to the first side wall (51), and the spray rod (2) is in an opened state when the spray rod (2) swings to the second side wall (52).

6. A foldable foam machine according to claim 5, wherein: the outer end of the spray rod (2) is provided with a protruding spray head (25) for discharging liquid, and a first step part (53) for accommodating a rod body of the spray rod (2) and a second step part (54) for accommodating the spray head (25) are arranged on the lower side wall (55) of the transverse groove (5).

7. A foldable foam machine according to claim 1, wherein: the folding containing part comprises a slideway (6) arranged in the machine shell (1), and the spray rod (2) is arranged in the slideway (6) in a sliding way; the length of the slide way (6) is matched with that of the spray rod (2), and the spray rod (2) is accommodated in the slide way (6) or extends out of the slide way (6) by driving the spray rod (2) to move in the slide way (6).

8. A foldable foam machine according to claim 7, wherein: the inner part of the shell (1) is hollow, and the slideway (6) comprises a guide hole (61) which is arranged on the shell (1) and enables the inner part and the outer part of the shell (1) to be communicated and a hollow part in the shell (1); the spray rod (2) is inserted into the guide hole (61), and a track assembly (62) enabling the spray rod (2) to slide in the guide hole (61) is arranged between the spray rod (2) and the guide hole (61).

9. A foldable foam machine according to claim 7, wherein: the slideway (6) is vertically arranged in the shell (1), a slideway port is formed in the upper end of the slideway (6), and a notch groove (64) is formed in the shell (1) above the slideway port; corresponding hinge assemblies are arranged on the notch groove (64) and the spray rod (2), the spray rod (2) is positioned on the slide way (6) to fold the spray rod (2) or the part of the spray rod (2) on which the hinge assemblies are arranged is positioned in the notch groove (64) to turn over the spray rod (2) for use.

10. A foldable foam machine according to any one of claims 1 to 9, wherein: the liquid outlet assembly (3) comprises:

the water pump (31) is arranged in the shell, and one side of the water pump (31) is provided with a power supply (32) for supplying power to the water pump (31);

one end of the water outlet pipe (33) is connected with the water pump (31), and the other end of the water outlet pipe is connected with the spray rod (2);

one end of the water inlet pipe (34) is connected with a liquid source, and the other end of the water inlet pipe is connected with the water pump (31);

a switch (35) provided on the cabinet (1), and configured to turn on or off the water pump (31) by driving the switch (35); and

the foaming structure is arranged in the spray rod (2);

when the water pump (31) is turned on, liquid in a liquid source is sent into the spray rod (2) and changed into foam through the foaming structure to be sprayed out.

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