Bubble blowing mechanism with good leakage-proof effect

Abstract

The utility model provides a bubble blowing mechanism with good leakproof effect, which comprises a driving part, a fan blade, a bubble outlet head and a scraping rod, the driving part is used for driving the fan blade and the scraping rod to rotate, the bubble outlet head is provided with a liquid outlet part and a bubble outlet part, the liquid outlet part comprises a liquid outlet hole and a liquid collecting ring groove which are communicated, and the bubble outlet part comprises a through hole; the scraping rod is rotatably connected to the bubble outlet head, the scraping rod is provided with a scraping and coating needle between the liquid outlet part and the bubble outlet part, and the scraping and coating needle obliquely extends towards the liquid collecting ring groove to form a pushing and shoveling inclined plane; when the scraping rod rotates, the push shovel inclined face can shovel up liquid in the liquid collecting ring groove, and the liquid is smeared to the through hole through the push shovel inclined face and the surface of the scraping and coating needle. The structure of the inclined plane of the push shovel is adopted, liquid remaining in the liquid collecting ring groove can be effectively scraped, all the liquid can be basically guided to the through hole to be scraped and coated into a film, the utilization rate of the liquid is increased, the residual rate is reduced, and the good leakage-proof effect is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of bubble blowing toys, and particularly relates to a bubble blowing mechanism with good anti-leakage effect. Background Art

[0002] A bubble blowing toy is an entertainment tool. With a bubble blowing mechanism as the core, it is powered by a battery for an internal motor. The motor drives the fan blade and the scraping rod to rotate. The scraping rod scrapes the bubble liquid at the bubble outlet into a film, and the fan blade rotates to blow air to blow out the formed bubble liquid film to form bubbles. In order to prevent liquid leakage, the existing bubble blowing mechanisms often set a drainage cover at the bubble outlet to drain the excess bubble liquid to the liquid storage bottle, such as the bubble generating device and bubble gun provided by Chinese Patent CN209548713U. There are also some bubble blowing mechanisms that adopt a water outlet connected to a water collecting pipe at the bubble outlet to recover the excess bubble liquid by squeezing the water collecting pipe, such as a bubble blowing drive box structure provided by Chinese Patent CN212548305U.

[0003] However, the drainage cover structure has a poor liquid leakage recovery effect when the bubble blowing mechanism is used in a lying or inverted position. If the method of squeezing the water collecting pipe is adopted for liquid leakage recovery, there are problems of relatively complex structure and lack of simplicity and compactness. Summary of the Utility Model

[0004] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a bubble blowing mechanism with good anti-leakage effect, so as to solve the problems in the related prior art that the liquid leakage recovery effect of the bubble blowing mechanism is poor when it is used in a lying or inverted position, or the structure is relatively complex and lacks simplicity and compactness.

[0005] To achieve the above-mentioned purpose, the utility model provides a bubble blowing mechanism with good anti-leakage effect, which includes a driving component, a fan blade, a bubble outlet head and a scraping rod. The driving component is used to drive the fan blade and the scraping rod to rotate. The bubble outlet head is provided with a liquid outlet part and a bubble outlet part. The liquid outlet part includes a communicated liquid outlet hole and a liquid collecting ring groove. The bubble outlet part includes a through hole. The scraping rod is rotatably connected to the bubble outlet head, and a scraping needle is arranged between the liquid outlet part and the bubble outlet part of the scraping rod. The scraping needle extends obliquely towards the liquid collecting ring groove with a pushing shovel inclined surface. When the scraping rod rotates, the pushing shovel inclined surface can shovel up the liquid in the liquid collecting ring groove, so that the liquid is smeared on the through hole through the surface of the pushing shovel inclined surface and the scraping needle.

[0006] As a preferred solution, the bottom wall of the liquid collecting ring groove is provided with a first liquid guiding groove communicated with the liquid outlet hole, and the scraping needle is provided with a second liquid guiding groove on the surface of the pushing shovel inclined surface and the scraping needle. The first liquid guiding groove is communicated with the second liquid guiding groove.

[0007] As a preferred embodiment, a plurality of first liquid storage tanks are provided at intervals on the inner wall of the through hole, a plurality of second liquid storage tanks are provided on the side wall of the bubbling portion opposite to the coating needle, and the plurality of second liquid storage tanks are distributed in a circular shape around the periphery of the through hole.

[0008] As a preferred embodiment, a first drainage surface extending in an arc shape is provided on a side of the first liquid storage tank adjacent to the second liquid storage tank, and a second drainage surface extending in an arc shape is provided on a side of the second liquid storage tank adjacent to the first liquid storage tank.

[0009] As a preferred solution, the driving component includes a motor, the rotating shaft of the motor is fixed to the fan blade, and the rotating shaft of the motor is also driven and connected to the scraper rod through a driving gear set.

[0010] As a preferred embodiment, the fan blade includes a base plate, a plurality of arc-shaped first blades are distributed in an annular manner along one side of the base plate, and a plurality of arc-shaped second blades are distributed in an annular manner along the other opposite side of the base plate, each of the second blades is located between every two adjacent first blades, and each of the second blades is provided with a clearance notch for cooperating with the motor.

[0011] As a preferred embodiment, the driving gear group includes a pumping wheel, a first tooth group for transmission connection between the motor and the pumping wheel, and a second tooth group for transmission connection between the pumping wheel and the scraper rod, and the last gear of the second tooth group is fixed to the scraper rod.

[0012] As a preferred embodiment, the scraper rod also includes a connecting rod arranged perpendicularly to the scraping needle, and the connecting rod includes an adjacent first section and a second section, the first section is arranged in a cylindrical shape and is rotatably connected to the bubble head, and the second section is arranged in a polygonal column shape and is movably inserted into the final gear.

[0013] As a preferred embodiment, it further includes a shell, wherein an air duct and an installation cavity are provided in the shell, wherein the bubble outlet head and the fan blade are respectively fixed on both sides of the air duct, wherein the installation cavity is used to install the driving component, and wherein an opening cavity for the movement of the final gear is provided in the installation cavity, wherein the shell is provided with an elastically movable clutch rod relative to the opening cavity, and wherein the clutch rod is used to push the final gear to engage with an adjacent gear.

[0014] As a preferred solution, a catheter cavity is further provided in the installation cavity, a catheter is sandwiched between the cavity wall of the catheter cavity and the push column of the pumping wheel, and the catheter is connected to the liquid outlet and the external liquid storage bottle.

[0015] Therefore, according to the technical means of the present utility model, the effects that can be obtained by the present utility model are briefly described as follows: The bubble blowing mechanism with good anti-leakage effect provided by the present utility model connects a scraping needle between the liquid outlet part and the bubble outlet part of the bubble outlet head, and the scraping needle obliquely extends a pushing and shoveling inclined surface towards the liquid collecting ring groove of the liquid outlet part. Thus, when the scraping rod is controlled to rotate, the scraping needle can rotate between the liquid outlet part and the bubble outlet part, and shovels up the liquid in the liquid collecting ring groove through the pushing and shoveling inclined surface, so that the liquid can be smeared on the through holes of the bubble outlet part via the pushing and shoveling inclined surface and the surface of the scraping needle, and then bubbles are blown out when the fan blade rotates to generate wind. The bubble blowing mechanism provided by the present utility model adopts a structure with a pushing and shoveling inclined surface on the scraping needle, which can effectively scrape off the liquid remaining in the liquid collecting ring groove, and can basically guide all the liquid to the through holes for scraping into a film, improving the utilization rate of the liquid, greatly reducing the liquid residue rate, and thus achieving a better anti-leakage effect. Moreover, the structure with the pushing and shoveling inclined surface can still be used when the bubble blowing mechanism is lying flat or inverted, and still has an excellent anti-leakage effect, with good practicability, and there is no need to additionally open a recovery hole, nor to additionally add other additional structures such as a drainage cover and a water collecting pipe, making the structure of the bubble blowing mechanism simpler and more compact. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic structural diagram of a preferred embodiment of the present utility model.

[0017] Figure 2 is Figure 1 an exploded view of the bubble blowing mechanism in

[0018] Figure 3 is Figure 2 a schematic structural diagram of the fan blade in

[0019] Figure 4 is Figure 1 an internal schematic diagram of the bubble blowing mechanism in

[0020] Figure 5 is Figure 2 an exploded view of the bubble outlet head and the scraping rod in another angle in

[0021] Figure 6 is Figure 1 a connection schematic diagram of the liquid outlet part and the scraping rod in

[0022] Figure 7 is Figure 5 a schematic structural diagram of the second cover body in

[0023] Figure 8 is Figure 1 a sectional view of the bubble outlet head and the scraping rod in

[0024] Figure 9 is Figure 8 a sectional view of the bubble outlet head and the scraping rod in another angle in

[0025] In the figure: 1: housing; 11: air duct; 12: installation cavity; 121: conduit cavity; 122: open cavity; 13: clutch rod; 2: driving component; 21: motor; 22: liquid pumping wheel; 221: push column; 23: first gear set; 231: first gear; 232: second gear; 24: second gear set; 241: third gear; 242: last gear; 3: fan blade; 31: base plate; 32: first blade; 33: second blade; 331: relief notch; 4: bubble outlet head; 41: first cover; 410: liquid outlet part; 411: liquid outlet hole; 412: liquid collecting ring groove; 4121: first liquid guiding groove; 413: C-shaped claw; 42: second cover; 420: bubble outlet part; 421: through hole; 4211: first liquid storage tank; 422: second liquid storage tank; 423: first drainage surface; 424: second drainage surface; 5: scraping rod; 50: scraping needle; 51: pushing shovel inclined surface; 52: second liquid guiding groove; 53: connecting rod; 531: first section; 532: second section. Detailed implementation manners

[0026] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present invention. It can be understood that the accompanying drawings are only for reference and illustration, and are not used to limit the present invention. The connections shown in the drawings are only for clear description and do not limit the connection manner.

[0027] It should be understood that terms such as "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. describe the direction or positional relationship shown in the present invention based on the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, rather than indicating that the device or element referred to must have a special direction or positional relationship. Therefore, it cannot be understood as a limitation to the present invention. It should be understood that terms such as "first", "second", etc. are only for the convenience of describing the technical solutions of the present invention, rather than indicating that the device or element referred to must have a special order. Therefore, it cannot be understood as a limitation to the present invention. It should be noted that when a part is considered to be "connected" to another part, it can be directly connected to the other part or there may be an intermediate part at the same time. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which the present invention belongs. The terms used in the description of the present invention herein are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0028] Please also refer to Figures 1 to 9 , this embodiment provides a bubble blowing mechanism with good leak prevention effect, which includes a housing 1, and a driving component 2, a fan blade 3, a bubble outlet head 4 and a scraping rod 5 installed on the housing 1.

[0029] Among them, an air duct 11 and an installation cavity 12 are provided in the housing 1. The bubble outlet head 4 and the fan blade 3 are respectively fixed on both sides of the air duct 11, so that the air flow generated by the fan blade 3 can act on the bubble outlet head 4 through the air duct 11. The installation cavity 12 is used to install the driving component 2. In this embodiment, a conduit cavity 121 and an open cavity 122 are provided in the installation cavity 12. The conduit cavity 121 has an inlet and an outlet, so that an external conduit can be connected to the conduit cavity 121 through the inlet and the outlet. The open cavity 122 has an opening, and an elastically movable clutch rod 13 is provided on the outer wall of the housing 1 corresponding to the opening. The clutch rod 13 passes through the opening and extends into the open cavity 122, and is used to push the driving gear set of the driving component 2 to engage into a transmission chain. In other embodiments, the open cavity 122 may not be provided in the installation cavity 12. Correspondingly, the clutch rod 13 may not be provided on the outer wall of the housing 1.

[0030] It can be understood that through the elastic movement of the clutch rod 13, the driving gear set of the driving component 2 can be presented in an engaged state or a broken chain state, thereby playing a role in controlling the clutch of the driving component 2 to improve the use safety of the bubble blowing mechanism. When the clutch rod 13 is in a natural state (as Figure 3 shown), the clutch rod 13 abuts against the driving gear set of the driving component 2 to push the gears to engage into a chain. When the clutch rod 13 is in an energy storage state, the clutch rod 13 is separated from the driving gear set of the driving component 2. At this time, the last gear of the driving gear set can move in the open cavity 122, thereby disconnecting the transmission of the driving gear set.

[0031] The driving component 2 is used to drive the fan blade 3 and the scraping rod 5 to rotate. The driving component 2 includes a motor 21. In this embodiment, the motor 21 is a double-shaft motor. One of the rotating shafts of the motor 21 is fixed to the fan blade 3, and the other rotating shaft of the motor 21 is drivingly connected to the scraping rod 5 through a driving gear set. In other embodiments, the motor 21 may also be a single-shaft motor, and the same rotating shaft of the motor 21 can be fixed to the fan blade 3 and the driving gear set at the same time.

[0032] The driving gear set includes a liquid pumping wheel 22, a first tooth group 23 drivingly connecting the motor 21 and the liquid pumping wheel 22, and a second tooth group 24 drivingly connecting the liquid pumping wheel 22 and the scraping rod 5. Among them, two push columns 221 are spaced on one side of the liquid pumping wheel 22. The two push columns 221 are rotatably connected to the conduit cavity 121, and the conduit is clamped between the push columns 221 and the inner wall of the conduit cavity 121, and is used to realize the liquid pumping function by squeezing the conduit through the push columns 221 when the liquid pumping wheel 22 rotates.

[0033] The first gear set 23 is used to decelerate and transmit the torque of the motor 21 to the liquid pumping wheel 22. In this embodiment, the first gear set 23 includes a first gear 231 fixed to the rotating shaft of the motor 21, and a second gear 232 meshing between the first gear 231 and the liquid pumping wheel 22. In other embodiments, the first gear set 23 may also include other numbers of gears that mesh successively.

[0034] The second gear set 24 is used to drive the scraping rod 5 to rotate. In this embodiment, the second gear set 24 includes a third gear 241 meshing with the liquid pumping wheel 22, and a last gear 242 movably connected within the open cavity 122. The last gear 242 meshes with the third gear 241 and is fixed to the scraping rod 5. The last gear 242 abuts against the clutch rod 13, enabling the last gear 242 to mesh with the adjacent third gear 241 under the push of the clutch rod 13. When the clutch rod 13 is in the energy storage state, the last gear 242 can move within the open cavity 122, causing the last gear 242 to disengage from the third gear 241, thereby disconnecting the transmission of the second gear set 24. In other embodiments, the second gear set 24 may also include other numbers of gears that mesh successively.

[0035] The air outlet direction of the fan blade 3 faces the bubble outlet head 4. In this embodiment, the fan blade 3 includes a base plate 31. A plurality of arcuately curved first blades 32 are annularly distributed along one side of the base plate 31, and a plurality of arcuately curved second blades 33 are annularly distributed along the other opposite side of the base plate 31. Each second blade 33 is located between every two adjacent first blades 32, and a relief notch 331 for cooperating with the motor 21 is provided on each second blade 33. It can be understood that the fan blade 3 adopting a double-layer blade structure can improve the air output per unit time, enabling the bubble blowing mechanism to continuously and stably blow out a large number of bubbles. In other embodiments, the fan blade 3 may also adopt a single-layer blade structure.

[0036] In this embodiment, the bubble outlet head 4 includes a first cover body 41 and a second cover body 42 that are stacked and fixed. The inner wall of the first cover body 41 horizontally is provided with a liquid outlet portion 410 and a C-shaped claw 413, and the top wall of the second cover body 42 is provided with a bubble outlet portion 420. It can be understood that setting the bubble outlet head 4 as the stacked and fixed first cover body 41 and second cover body 42 can simplify the production process of the bubble outlet head 4 and save the input of production costs. In other embodiments, the bubble outlet head 4 may also be an integrally formed structure. At this time, the liquid outlet portion 410, the C-shaped claw 413, and the bubble outlet portion 420 are provided on the same component.

[0037] The liquid outlet part 410 includes a communicating liquid outlet hole 411 and a liquid collecting ring groove 412. The liquid outlet hole 411 is communicated with an external liquid storage bottle through the catheter. Under the extrusion of the push rod 221, the catheter can extract and transport the bubble liquid in the external liquid storage bottle, and finally the bubble liquid can flow into the liquid collecting ring groove 412 through the liquid outlet hole 411. In this embodiment, the bottom wall of the liquid collecting ring groove 412 is provided with a first liquid guiding groove 4121 communicated with the liquid outlet hole 411, and the first liquid guiding groove 4121 is used to cooperate with the scraping rod 5 to achieve a better liquid guiding effect. In other embodiments, the first liquid guiding groove 412 may not be provided in the liquid collecting ring groove 412.

[0038] The C-shaped claw 413 is fixed at the center position of the liquid collecting ring groove 412, and a scraping rod 5 is rotatably connected to the C-shaped claw 413 in a separable manner, so that the scraping rod 5 can be controlled to rotate on the liquid collecting ring groove 412.

[0039] The bubble generating part 420 includes a through hole 421. A plurality of first liquid storage grooves 4211 are arranged at intervals on the inner wall of the through hole 421, which play the role of storing bubble liquid and guiding the flow to wet the inner wall of the through hole 421, thereby improving the film forming efficiency. In this embodiment, the bubble generating part 420 further includes a plurality of second liquid storage grooves 422 distributed in a circular ring around the periphery of the through hole 412. The second liquid storage grooves 422 are distributed on the side wall opposite to the scraping rod 5, which play the role of storing bubble liquid, so that the side wall of the bubble generating part 420 opposite to the scraping rod 5 can be in a wet state, so as to better and faster guide the bubble liquid to the through hole 421, and further improve the film forming efficiency. Moreover, compared with the traditional structure, the setting of the second liquid storage grooves 422 can also play the role of reducing the installation of the water storage and drainage gasket, making the structure of the bubble blowing mechanism more simple and compact.

[0040] It can be understood that the first liquid storage groove 4211 is set in a shape that gradually transitions from a large opening on one side to a small opening on the other side, and the second liquid storage groove 422 is set in a shape with a small bottom and a large opening. Moreover, an arc-shaped extending first drainage surface 423 is provided on the side of the first liquid storage groove 4211 adjacent to the second liquid storage groove 422, and an arc-shaped extending second drainage surface 424 is provided on the side of the second liquid storage groove 422 adjacent to the first liquid storage groove 4211, which plays a better role in storing water and guiding the flow. When the scraping rod 5 guides the bubble liquid to the second cover body 42, the second liquid storage groove 422 can first store a large amount of bubble liquid, so that the bubble liquid can infiltrate the through hole 421 and the peripheral side wall of the through hole 421 through the second drainage surface 424 and the first drainage surface 423 in sequence, improving the hydrophilicity of the through hole 421, thereby improving the success rate and efficiency of the scraping rod 5 rotating to smear the bubble liquid into a film on the through hole 421. In other embodiments, the bubble generating part 420 may not be provided with the second liquid storage groove 422, and / or the first drainage surface 423 and the second drainage surface 424, and the first liquid storage groove 4211 and the second liquid storage groove 422 may also be set in other groove shapes.

[0041] The scraping rod 5 is rotatably connected to the C-shaped claw 413, and a scraping needle 50 is provided between the liquid outlet part 410 and the bubble outlet part 420 of the scraping rod 5. The scraping needle 50 obliquely extends towards the liquid collecting ring groove 412 with a pushing slope 51. In this embodiment, the scraping needle 50 is provided with a second liquid guiding groove 52 on the surface of the pushing slope 51 and the scraping needle 50, and the second liquid guiding groove 52 is communicated with the first liquid guiding groove 4211 to better achieve the liquid guiding effect. In other embodiments, the scraping needle 50 may not be provided with the second liquid guiding groove 52.

[0042] The scraping rod 5 further includes a connecting rod 53 perpendicular to the scraping needle 50. The connecting rod 53 is used to cooperate with the last gear 242 to achieve an anti-jamming clutch effect. It can be understood that the connecting rod 53 includes adjacent first section 531 and second section 532. The first section 531 is cylindrically arranged and rotatably connected to the C-shaped claw 413, and the second section 532 is prismatically arranged and movably inserted on the last gear 242. When the last gear 242 rotates, it drives the connecting rod 53 to rotate simultaneously by engaging with the second section 532. The rotation of the connecting rod 53 will drive the scraping needle 50 to rotate between the liquid outlet part 410 and the bubble outlet part 420. Moreover, since the second section 532 is movably inserted on the last gear 242, it can achieve an anti-jamming clutch effect with the last gear 242, thereby improving the use safety of the bubble blowing mechanism.

[0043] It can be understood that the working process of the bubble blowing mechanism provided in this embodiment is as follows: Start the motor 21 to simultaneously drive the fan blade 3 and the driving gear set to rotate. At this time, the air flow generated by the rotation of the fan blade 3 can pass through the bubble outlet head 4 along the air duct 11, and the rotation of the driving gear set can drive the liquid pumping wheel 22 and the scraping rod 5 to rotate at different speeds simultaneously. When the liquid pumping wheel 22 rotates, the push column 221 can continuously squeeze the catheter in the catheter cavity 121 to transport the bubble liquid to the liquid collecting ring groove 412 through the liquid outlet hole 411. When the scraping rod 5 rotates, the pushing slope 51 can scoop up the bubble liquid in the liquid collecting ring groove 412, so that the bubble liquid enters the second liquid storage tank 422 and the first liquid storage tank 4211 through the first liquid guiding groove 4121 and the second liquid guiding groove 422, and then forms a film on the through hole 421 under the continuous rotation of the scraping needle 50. Finally, bubbles are blown out under the action of the penetrating air flow. Due to the structural settings of the scraping rod 5 and the bubble outlet head 4, the liquid residue rate can be reduced and the liquid film forming efficiency can be improved. Therefore, the bubble blowing mechanism can stably blow out a large number of bubbles, and even when the motor 21 is started when the bubble blowing mechanism is lying flat or inverted, it can achieve the use effects of anti-leakage of liquid and good bubble blowing effect.

[0044] In the description and claims of this application, the words "comprising / including" and the words "having / including" and their variants are used to specify the presence of the stated features, numerical steps or components, but do not exclude the presence or addition of one or more other features, numerical values, steps, components or combinations thereof. For clarity, certain features described in separate embodiments of the present utility model may be used in combination in a single embodiment. Moreover, the various features of the present utility model described in a single embodiment may also be used separately or in sub-combinations in any suitable form.

Claims

1. A bubble blowing mechanism with good leak-proof effect, comprising a driving component, a fan blade, a bubble head and a scraper, wherein the driving component is used to drive the fan blade and the scraper to rotate, characterized in that: The bubble head is provided with a liquid outlet portion and a bubble portion, the liquid outlet portion includes a connected liquid outlet hole and a liquid collecting annular groove, and the bubble portion includes a through hole; the scraper rod is rotatably connected to the bubble head, and the scraper rod is provided with a scraping needle between the liquid outlet portion and the bubble portion, and the scraping needle is provided with a pushing shovel inclined surface extending obliquely toward the liquid collecting annular groove; when the scraper rod rotates, the pushing shovel inclined surface can scoop up the liquid in the liquid collecting annular groove, so that the liquid is smeared on the through hole via the pushing shovel inclined surface and the surface of the scraping needle.

2. The bubbling mechanism with good leakage prevention effect as claimed in claim 1, characterized in that: The liquid collecting annular groove is provided with a first liquid guiding groove connected with the liquid outlet on the bottom wall, and the scraping needle is provided with a second liquid guiding groove on the push shovel slope and the surface of the scraping needle, and the first liquid guiding groove is connected with the second liquid guiding groove.

3. The bubbling mechanism with good leakage prevention effect as claimed in claim 1, characterized in that: The inner wall of the through hole is provided with a plurality of first liquid storage tanks at intervals, and the side wall of the bubbling portion opposite to the coating needle is provided with a plurality of second liquid storage tanks, and the plurality of second liquid storage tanks are distributed in a circular ring around the periphery of the through hole.

4. The bubble blowing mechanism with good leakage prevention effect as claimed in claim 3, characterized in that: A first drainage surface extending in an arc shape is provided on one side of the first liquid storage tank adjacent to the second liquid storage tank, and a second drainage surface extending in an arc shape is provided on one side of the second liquid storage tank adjacent to the first liquid storage tank.

5. The bubbling mechanism with good leakage prevention effect according to any one of claims 1 to 4, characterized in that: The driving component comprises a motor, the rotating shaft of the motor is fixed to the fan blade, and the rotating shaft of the motor is also driven and connected to the scraper rod through a driving gear set.

6. The bubble blowing mechanism with good leakage prevention effect as claimed in claim 5, characterized in that: The fan blades include a base plate, a plurality of arc-shaped first blades are distributed in an annular manner along one side of the base plate, and a plurality of arc-shaped second blades are distributed in an annular manner along the other opposite side of the base plate. Each of the second blades is located between every two adjacent first blades, and each of the second blades is provided with a clearance notch for cooperating with the motor.

7. The bubble blowing mechanism with good leakage prevention effect as claimed in claim 5, characterized in that: The driving gear set includes a pumping wheel, a first gear set drivingly connecting the motor and the pumping wheel, and a second gear set drivingly connecting the pumping wheel and the scraping rod, wherein the last gear of the second gear set is fixed to the scraping rod.

8. The bubble blowing mechanism with good leakage prevention effect as claimed in claim 7, characterized in that: The scraper rod also includes a connecting rod vertically arranged with the scraper needle, and the connecting rod includes a first section and a second section adjacent to each other, the first section is cylindrically arranged and rotatably connected to the bubble outlet head, and the second section is polygonally arranged and movably plugged into the final gear.

9. The bubble blowing mechanism with good leakage prevention effect as claimed in claim 8, characterized in that: It also includes a shell, which is provided with an air duct and an installation cavity, the bubble head and the fan blade are respectively fixed on both sides of the air duct, the installation cavity is used to install the driving component, and an open cavity for the movement of the final gear is provided in the installation cavity, the shell is provided with an elastically movable clutch rod relative to the open cavity, and the clutch rod is used to push the final gear to engage with an adjacent gear.

10. The bubbling mechanism with good leakage prevention effect as claimed in claim 9, characterized in that: A catheter cavity is also provided in the installation cavity, and a catheter is sandwiched between the cavity wall of the catheter cavity and the push column of the liquid pumping wheel. The catheter communicates with the liquid outlet and the external liquid storage bottle.

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