Electric bubble machine

Abstract

The utility model discloses an electric bubble machine which comprises a double-head motor, one end of the double-head motor drives a fan, bubble blowing airflow is blown to a bubble outlet mechanism through the fan, and the other end of the double-head motor conveys bubble liquid to the bubble outlet mechanism through a liquid conveying mechanism. The bubble outlet mechanism comprises a small-caliber rear bubble blowing part and a large-caliber front bubble blowing part, the rear bubble blowing part is arranged close to the air outlet side of the fan, the front bubble blowing part is arranged away from the air outlet side of the fan, and the rear bubble blowing part is located on the inner side of the front bubble blowing part in the radial direction. According to the electric bubble machine, bubbles can be continuously blown out, bubbles of different sizes and different types can be formed, the bubble outlet effect is good, and interestingness is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to a toy technical field especially relates to a kind of electric bubble machine. BACKGROUND

[0002] Generally speaking, automatic bubble blowing toy is provided with foam nozzle, air jet pipe, squeeze liquid mechanism, motor and fan, container filled with foam liquid, foam liquid delivery pipe.Playing, squeeze liquid mechanism foam liquid in container is extruded to the pipe orifice of foam liquid delivery pipe by liquid outlet pipe, while fan continuously blows air to air outlet pipe, thus shape bubble is blown out.But the bubble shape that the automatic bubble blowing device of this kind is blown out is single, and the pattern is few, and the continuity is not good when bubble is blown out, is easily interrupted, and the number of bubble blown out per unit time is less, lacks interesting, easily makes children lose the interest of playing, cannot satisfy the playing needs of children. SUMMARY

[0003] The utility model solves the technical problems that the utility model provides a kind of electric bubble machine, can continuously blow out bubble, can form different size and different kinds of bubble, and the bubble blowing effect is good, and interesting is high.

[0004] The utility model solves the technical problems and adopts the technical scheme that a kind of electric bubble machine, including double-head motor, one end of the double-head motor drives fan, and bubble blowing airflow is blown out to bubble blowing mechanism by fan, another end of the double-head motor is transported to bubble blowing mechanism by liquid sending mechanism, the bubble blowing mechanism includes small-bore rear bubble blowing part and large-bore front bubble blowing part, the rear bubble blowing part is close to the air outlet side of fan and is set, the front bubble blowing part is set away from the air outlet side of fan, and the rear bubble blowing part is located the inside of front bubble blowing part in radial direction.

[0005] Further, in order to form liquid film and blow out large bubble in front bubble blowing ring, the front bubble blowing part includes front bubble blowing ring, the inner circle of the front bubble blowing ring is equipped with liquid storage groove A, the end surface of the front bubble blowing ring is equipped with liquid storage flow guide groove B in circumferential direction, and flow guide gap E is formed between liquid storage flow guide groove B and the outer circle of front bubble blowing ring, bubble blowing liquid into the bubble blowing ring flows along liquid storage flow guide groove B and flow guide gap E from top to bottom, and bubble blowing liquid overflowing liquid storage flow guide groove B flows to liquid storage groove A.

[0006] Further, in order to bubble blowing liquid can flow uniformly and quickly on front bubble blowing ring, the upper end of the front bubble blowing ring is symmetrically provided with liquid inlet interface communicated with liquid sending mechanism, and the bubble blowing liquid enters bubble blowing ring from both sides and flows downward.

[0007] Further, in order to form uniform bubble film on both front bubble rings, the front bubble ring comprises two connected front bubble rings, the front bubble rings are symmetrically arranged and a gap is formed between the front bubble rings, the bubble liquid is shunted to the two front bubble rings through the gap, and the liquid storage grooves A between the front bubble rings are aligned to enable the bubble liquid to flow between the front bubble rings.

[0008] Further, in order to form non-interfering bubble air flow for the front bubble ring and the rear bubble ring respectively, a wind guide is arranged coaxially with the front bubble ring between the fan and the rear bubble ring, a wind guide ring is arranged between the inner ring and the outer ring of the wind guide, the wind guide ring separates the wind guide into an inner ring for air outlet and an outer ring for air outlet, and the bubble air flow is formed by the wind guide to form an inner ring bubble air flow blowing from the inner ring for air outlet to the rear bubble ring and an outer ring bubble air flow blowing from the outer ring for air outlet to the outer ring of the front bubble ring.

[0009] Further, in order to more easily blow small bubbles and large bubbles, the wind guide ring has a thickness, and the inner ring bubble air flow and the outer ring bubble air flow are two independent air flows.

[0010] Further, in order to increase the number of small bubbles and blow the small bubbles farther, the wind guide ring has a wind guide surface inclined towards the axial end surface of the fan, and a plurality of wind guide plates are connected between the wind guide ring and the outer ring and the inner ring of the wind guide.

[0011] Further, in order to form a plurality of small bubbles at one time, the rear bubble ring has a rear bubble ring through which the bubble liquid passes, the rear bubble ring has a liquid storage groove C, the rear bubble ring is below the liquid inlet communicated with the liquid feeding mechanism, and the rear bubble ring is below the other rear bubble rings through the flow channel.

[0012] Further, in order to provide other ways to form small bubbles, the rear bubble ring is a rotating bubble assembly, the rotating bubble assembly comprises an outer gear engaged with a gear b through a gear shaft, and a plurality of rear bubble rings following the rotation of the outer gear are arranged on the inner side of the outer gear.

[0013] Further, in order to make the liquid film more uniform, a scraper mechanism is further included, the scraper mechanism comprises a swing scraper, the swing scraper swings back and forth on the surface of the front bubble ring and / or the rear bubble ring to form a liquid film, and the swing scraper has a liquid storage groove D.

[0014] Further, in order to realize automatic reset of the swing scraper, the swing scraper is connected to the front end of a rotating plate on both sides, the other end of the rotating plate is rotatably connected to a connecting column of a housing, a reset torsional spring is connected to the connecting column, and one end of the reset torsional spring is connected to a fixed column of the housing.

[0015] Further, in order to accelerate the moving speed of the swing scraper, the rotating plate is driven to swing by a transmission mechanism, the transmission mechanism has a rotating disc, the rotating disc is provided with an eccentric column, the rotating plate is provided with an inclined surface, the eccentric column pushes the inclined surface to make the rotating plate swing downward, and the eccentric column is separated from the inclined surface to make a reset torsional spring drive the rotating plate to reset.

[0016] Further, the transmission mechanism comprises a gear c connected with the liquid feeding mechanism, the gear c is engaged with a gear d, the gear d is engaged with a gear e, the gear e is engaged with a gear f, the gear f is fixed with a transmission shaft, and the transmission shaft is connected with the rotating disc at both ends.

[0017] Further, in order to avoid accumulation of small foam liquid between the guide column and the front bubble blowing ring, the two sides of the front bubble blowing ring are provided with guide columns, the two sides of the front bubble blowing ring of the front bubble blowing piece are connected with guide columns, and the guide columns and the front bubble blowing ring have a gap.

[0018] Further, in order to ensure the running track of the swing scraper, the two ends of the swing scraper are formed with guide grooves which are surrounded outside the guide columns and are matched with the guide columns in a gap mode.

[0019] Further, in order to reduce noise and waste of bubble liquid, the front end of the shell is provided with a cover shell, the cover shell is provided with a groove body matched with the rotating plate, the upper side of the groove body is provided with a buffer pad, and the lower side of the cover shell is provided with a liquid collecting port for collecting bubble liquid.

[0020] Compared with the prior art, the electric bubble machine has the beneficial effects that:

[0021] The electric bubble machine can blow out bubbles of different sizes through the front bubble blowing piece and the rear bubble blowing piece with different structures, and more bubbles of different sizes and types can be obtained.

[0022] The electric bubble machine can make the bubble liquid continuously flow into the liquid storage groove A through the cooperation of the liquid storage flow guide groove B and the flow guide gap E of the front bubble blowing ring, so that a bubble blowing film is formed, the front bubble blowing ring can form continuous large bubbles in the bubble blowing process, the bubble blowing film is more uniform, the bubble blowing effect is better, and the continuity and stability are good.

[0023] The electric bubble machine can blow out bubbles of different sizes through the front bubble blowing piece and the rear bubble blowing piece with different structures, and more bubbles of different sizes and types can be obtained. BRIEF DESCRIPTION OF DRAWINGS

[0024] The electric bubble machine will be further described below in combination with the drawings and embodiments.

[0025] Figure 1 is a schematic view of the electric bubble machine according to the present application;

[0026] Figure 2 is the internal structure schematic diagram of the electric bubble machine;

[0027] Figure 3 is the meshing schematic diagram of the liquid sending mechanism and the driving gear set of the electric bubble machine;

[0028] Figure 4 is the front view of Figure 3 ;

[0029] Figure 5 is the connecting structure schematic diagram of the bubble generating mechanism and the scraping rod mechanism;

[0030] Figure 6 is the partial sectional view of the front bubble blowing part;

[0031] Figure 7 is the partial structure schematic diagram of the front bubble blowing ring;

[0032] Figure 8 is another state schematic diagram of the electric bubble machine;

[0033] Figure 9 the structure schematic diagram of the embodiment 2 of the electric bubble machine of the utility model

[0034] Figure 10 is the structure schematic diagram of the air guide part;

[0035] Figure 11 is the flow direction schematic diagram of the bubble blowing air current through the air guide part;

[0036] Figure 12 is the structure schematic diagram of the embodiment 3 of the electric bubble machine of the utility model;

[0037] Figure 13 is the structure schematic diagram of the embodiment 4 of the electric bubble machine of the utility model;

[0038] Figure 14 is the structure schematic diagram of the embodiment 5 of the electric bubble machine of the utility model;

[0039] Figure 15 is the structure schematic diagram of the embodiment 6 of the electric bubble machine of the utility model;

[0040] In the figure: 1, the shell, 11, connecting column, 12, fixed column, 2, double-head motor, 21, output gear, 3, fan, 4, air guide, 41, air guide ring, 42, air outlet inner ring, 43, air outlet outer ring, 44, air guide surface, 45, air guide plate, 5, cover, 51, cushion block, 52, liquid collecting port, 6, liquid sending mechanism, 7, front bubble blowing part, 71, front bubble blowing ring, 72, liquid inlet interface, 73, guide column, 8, rear bubble blowing part, 81, rear bubble blowing ring, 82, outer gear, 83, liquid inlet, 9, scraper rod mechanism, 91, rotating plate, 92, swing scraper rod, 93, reset torsional spring, 94, inclined surface, 95, transmission shaft, 96, rotating disc, 97, eccentric column, 98, guide groove. DETAILED DESCRIPTION

[0041] The utility model will be explained in further detail in combination with the drawings. These drawings are all simplified schematic diagrams, and only schematically show the basic structure of the utility model, so they only show the structure related to the utility model.

[0042] In the description of the utility model, it needs to be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as a limitation on the utility model. In addition, the features limited by "first" and "second" can be explicitly or implicitly included one or more features. In the description of the utility model, unless otherwise stated, the meaning of "multiple" is two or more.

[0043] In the description of the utility model, it needs to be understood that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0044] As Figure 1 and Figure 2 As shown in a kind of electric bubble machine, including shell 1, double-head motor 2 is provided in shell 1.

[0045] One output end of the double-head motor 2 is connected with the fan 3, and the front end of the fan 3 is provided with the air guide 4. The motor drives the fan 3 to rotate, and the air flow is blown to the bubble generating mechanism in front through the air guide 4. The air guide 4 is provided with the air guide plates uniformly arranged in the circumferential direction, and the air guide 4 and the bubble generating mechanism are located in the cover 5 at the front end of the shell 1.

[0046] The other output end of the double-head motor 2 is connected with the liquid feeding mechanism 6 through the output gear 21. The liquid feeding mechanism 6 is divided into two groups of liquid feeding gears. The upper liquid feeding mechanism 6 feeds the bubble liquid into the front bubble blowing part 7 of the bubble generating mechanism through the liquid feeding hose, and the lower liquid feeding mechanism 6 feeds the bubble liquid into the rear bubble blowing part 8 of the bubble generating mechanism through the liquid feeding hose.

[0047] As shown in Figure 3 , the liquid feeding mechanism 6 comprises the gear a engaged with the output gear 21, and the gear b engaged with the gear a. The liquid feeding hose is squeezed by the gears to realize the feeding of the bubble liquid. This feeding mode is the conventional structure of the bubble machine, and will not be described herein.

[0048] The lower liquid feeding mechanism 6 is also connected with the transmission mechanism. The transmission mechanism comprises the gear c engaged with the gear b, the gear d engaged with the gear c, the gear e engaged with the gear d, and the gear f engaged with the gear e. The transmission shaft 95 is fixedly arranged in the gear f, and the two ends of the transmission shaft 95 are connected with the rotating disc 96. The outer side of the rotating disc 96 is provided with the eccentric column 97.

[0049] The shell 1 is provided with the scraper mechanism 9. The scraper mechanism 9 comprises the rotating plate 91 rotatably connected to the two sides of the shell 1. The other end of the rotating plate 91 is rotatably connected to the connecting column 11 of the shell 1, and the connecting column 11 is connected with the reset torsion spring 93. One end of the reset torsion spring 93 is connected with the fixed column 12 of the shell 1, and the other end is connected with the column body on the rotating plate. The bottom of the rotating plate 91 has the inclined surface 94. The counterclockwise rotation of the rotating disc 96 drives the eccentric column 97 to push the inclined surface 94, thereby driving the rotating plate 91 to swing downward. When the rotating disc continues to rotate, the eccentric column 97 is separated from the inclined surface 94, and the reset torsion spring 93 provides the reset force to drive the rotating plate 91 to quickly swing upward and reset. The upper end of the rotating plate 91 is fixedly connected with the swinging scraper 92. The swinging scraper 92 reciprocatingly swings synchronously with the rotating plate 91. The cover 5 is provided with the groove body matched with the rotating plate 91, and the upper side of the groove body is provided with the buffer pad 51. The buffer pad 51 can eliminate the sound caused by the upward and downward movement of the rotating plate 91 impacting the cover 5. In order to ensure safety and avoid the hands of children being pinched, a clutch or anti-pinch component can be additionally assembled.

[0050] The scraper mechanism 9 can also adopt the crank connecting rod mechanism, and the upward and downward movement of the swinging scraper 92 can also be realized. The specific function of the swinging scraper 92 will be described below in combination with the bubble generating mechanism.

[0051] As shown in Figure 4The bubble generating mechanism comprises a front bubble blowing member 7 and a rear bubble blowing member 8. The front bubble blowing member 7, the rear bubble blowing member 8 and the air guide member 4 are all located in the cover 5. The front bubble blowing member 7 and the rear bubble blowing member 8 are arranged at intervals, the rear bubble blowing member 8 is arranged at a near-fan side close to the fan, and the front bubble blowing member 7 is arranged at a far-fan side away from the fan. The rear bubble blowing member 8 is close to the bubble blowing airflow, so the bubble blowing speed is faster, the number of small bubbles is large and the bubbles are dense. The front bubble blowing member 7 is relatively far away from the rear bubble blowing member 8, the airflow speed is reduced, large bubbles are more easily formed, the blown large bubbles are more stable, and the bubbles can be maintained for a long time without breaking in the air.

[0052] As shown in Figure 5 to Figure 6 , the front bubble blowing member 7 is connected to the shell 1. In this embodiment, the front bubble blowing member 7 comprises two oppositely arranged front bubble blowing rings 71, the front bubble blowing rings 71 are symmetrically arranged, and a gap is formed between the front bubble blowing rings 71, the bubble solution is shunted to the two front bubble blowing rings 71 through the gap. The two front bubble blowing rings 71 are assembled by butt joint through the cooperation of the plug-in columns and the plug-in holes. The upper end of the front bubble blowing ring 71 is symmetrically provided with a liquid inlet interface 72 in communication with the liquid sending mechanism 6, the bubble solution enters the bubble blowing ring from both sides and flows downward, the bubble solution of the liquid sending mechanism 6 is shunted into the two liquid inlet interfaces 72 through two liquid sending hoses, the two liquid inlet interfaces 72 shunt the bubble solution, which enters the front bubble blowing member 7 from left and right, to ensure that the bubble solution is dispersed into the two front bubble blowing rings 71. Due to the existence of the two front bubble blowing rings 71, a bubble blowing film will be formed on the front and rear sides of the front bubble blowing member 7, and when the airflow blows through the two front bubble blowing rings 71, the two bubble blowing films will continuously generate large bubbles.

[0053] As shown in Figure 7 , the inner circle of the front bubble blowing ring 71 is provided with a liquid storage groove A, and the end face of the front bubble blowing ring 71 is circumferentially provided with a liquid storage flow guide groove B, and the liquid storage flow guide groove B and the outer circle of the front bubble blowing ring 71 form a flow guide gap E. The bubble solution entering the front bubble blowing ring 71 flows downward along the liquid storage flow guide groove B and the flow guide gap E, and the bubble solution overflowing the liquid storage flow guide groove B flows to the liquid storage groove A. The bubble solution flow direction is shown in the figure. Since the liquid inlet interface 72 is located at the top end of the front bubble blowing ring 71, the bubble solution flows into the front bubble blowing ring 71 from the liquid inlet interface 72 and flows downward along the flow guide gap E. The bubble solution will gradually fill each liquid storage flow guide groove B, and when the liquid storage flow guide groove B is full, the excess bubble solution will overflow and flow downward to the liquid storage groove A, thereby forming a bubble blowing film on the front bubble blowing ring 71. Due to the paired arrangement of the front bubble blowing ring 71, combined with the liquid storage groove A and the liquid storage flow guide groove B, the storage capacity of the bubble solution is greatly improved, and the liquid leakage phenomenon can be effectively reduced.

[0054] The end face of the front bubble ring 71 has a corresponding swing scraper 92 which reciprocates on the surface of the front bubble ring 71, and the swing scraper 92 forms a uniform liquid film on the front bubble ring 71 during reciprocation. Since the two front bubble rings 7 are oppositely arranged, the liquid storage grooves A of the two front bubble rings 7 are also aligned, and the bubble liquid can flow between the liquid storage grooves A of the two front bubble rings 7, so that the bubble film formed on the two sides of the front bubble ring 7 is relatively uniform.

[0055] The width of the swing scraper 92 is the same as the width of the front bubble ring 71. When the liquid storage groove D is scraped through the liquid storage groove A of the front bubble ring 71, it is ensured that there is sufficient contact area between the liquid storage groove D and the liquid storage groove A, so that a uniform liquid film can be formed in the front bubble ring 71. At the same time, part of the bubble liquid will remain in the liquid storage groove D, and the liquid storage groove D can store excess bubble liquid or supplement the bubble liquid to the liquid storage groove A during the reciprocating movement of the swing scraper 92, further ensuring the uniformity of the liquid film of the front bubble ring 71.

[0056] The two swing scrapers 92 reciprocate on the two front bubble rings 71 synchronously, and the liquid films formed on the two front bubble rings 71 at the same time are uniform. When the air flow passes through the two front bubble rings 71 in turn, the two front bubble rings 71 are more likely to quickly and continuously blow out large bubbles, and the large bubbles are dense and not easy to break.

[0057] As shown in Figure 5 , the rear bubble ring 8 is connected to the shell 1 and arranged in the vertical direction. The upper part of the rear bubble ring 8 has a liquid inlet 15 which communicates with the liquid feeding mechanism 6. The lower part of the liquid inlet 15 is connected with a circular ring-shaped rear bubble ring 81 through a flow channel, and the inner circle of the rear bubble ring 81 is through. In this embodiment, the lower part of the rear bubble ring 81 is also connected with another rear bubble ring 81 through a flow channel. The bubble liquid enters the rear bubble ring 8 from the liquid inlet 15 and flows downward along the flow channel. The number of the rear bubble ring 81 can be 2, 3 or more.

[0058] The rear bubble ring 81 has an annular flow channel, and the bubble liquid entering the rear bubble ring 81 will be divided left and right at the upper end of the annular flow channel. The bubble liquid passes through the rear bubble ring 81 from both sides, so that the bubble liquid can be uniformly distributed in the rear bubble ring 81. Finally, the bubble liquid converges at the bottom of the annular flow channel and continues to flow downward, enters another rear bubble ring 81 through the flow channel below and repeats the above process.

[0059] The inner circle of the rear bubble ring 81 forms a liquid storage groove C, and the liquid storage groove C is distributed along the annular flow channel. The bubble liquid will remain in the liquid storage groove C, which can increase the storage capacity of the rear bubble ring 81 and improve the continuity of bubble blowing.

[0060] The front of the rear bubble blowing part 8 is also provided with a swing scraping rod 92, which has the same function as the above. The swing scraping rod 92 reciprocates on the surface of the rear bubble blowing part 8. During the movement of the swing scraping rod 92 from top to bottom along the rear bubble blowing part 8, the bubble liquid entering the annular flow channel forms a uniform liquid film at the rear bubble blowing ring 81, and when the air flow blows to the liquid film, a large number of continuous bubbles can be blown at the rear bubble blowing ring 81. The swing scraping rod 92 drives the bubble liquid to flow during the movement, accelerates the flow speed of the bubble liquid in the rear bubble blowing part 8, and can ensure that the liquid films of the upper and lower rear bubble blowing rings 81 are uniform, so that the sizes of the bubbles blown from the two are basically consistent.

[0061] Since the rear bubble blowing part 8 is close to the fan, the flow speed of the air flow here is faster, and it is easier to form small bubbles, and the generation speed of small bubbles is faster. In combination with a plurality of rear bubble blowing rings 81, the number of small bubbles is more dense. The small bubbles are blown forward by the bubble blowing air flow, and a part of the small bubbles is quickly blown out, and a part of the small bubbles is surrounded by large bubbles when passing through the front bubble blowing ring 71, forming bubbles with small bubbles in large bubbles. Therefore, the electric bubble machine can form small bubbles, large bubbles and bubbles in bubbles at the same time.

[0062] The left and right sides of the front bubble blowing part 7 have guide columns 73, and the upper and lower ends of the guide columns 73 are inserted into the shell 5. The two ends of the swing scraping rod 92 form guide grooves 98 which surround the outside of the guide columns 73 and gap cooperate with the guide columns 73, so as to ensure that the movement track of the swing is close to the surface of the rear bubble blowing part 8 and the front bubble blowing part 7, and ensure the film scraping effect.

[0063] As shown in the position of the rotating plate 91 in Figure 2 and Figure 8 , the rotating plate 91 is swung downward to pass through the torsional spring reset as a film scraping stroke, and the stroke takes about 0.5s, and the fast movement of the rotating plate 91 can ensure that the liquid film is uniform, and the air flow blown by the fan 3 can ensure that the size of the bubbles formed is uniform.

[0064] The working principle of the utility model is: the double-head motor 2 is started, the double-head motor 2 drives the fan 3, the liquid feeding mechanism 6 and the transmission mechanism to start running, the liquid feeding mechanism 6 extrudes the liquid feeding hose, transports the bubble liquid to the front bubble blowing part 7 and the rear bubble blowing part 8, and the bubble liquid flows into the front bubble blowing part 7 and the rear bubble blowing part 8. At the same time, the transmission mechanism drives the rotating disc 96 to rotate, the eccentric column 97 rotates synchronously counterclockwise and pushes the inclined surface 94 of the rotating plate 91, at this time the rotating plate 91 starts to swing downward, the swing scraping rod 92 moves synchronously, and a uniform liquid film is formed on the front bubble blowing part 7 and the rear bubble blowing part 8, and the air flow blows the liquid film to form bubbles. The bubbles formed by the rear bubble blowing part 8 continue to move towards the front bubble blowing part 7. At the same time, the bubbles formed by the front bubble blowing part 7 also wrap the bubbles formed by the rear bubble blowing part 8, forming multiple layers of bubbles, so that the types of bubbles are more.

[0065] Example 2, asFigure 9 to Figure 11 The rear bubble blowing component 8 has three rear bubble blowing rings 81. The upper bubble forming ring 81 is connected to the lower two rear bubble forming rings 81 through the flow channels on the left and right sides. Of course, the arrangement of the rear bubble blowing rings 81 is not limited to the above structure, and their number can also be reasonably selected as needed.

[0066] At the bottom of the cover 5, there is also a liquid collection port 52, through which a very small amount of bubble-blowing liquid that failed to produce bubbles flows back into the bubble bottle.

[0067] The difference between Example 2 and Example 1 lies in the structure of the air guide. In this example, an air guide ring 41 is provided between the inner and outer rings of the air guide. The air guide ring 41 divides the air guide into an inner outlet ring 42 and an outer outlet ring 43. The bubble blowing airflow passes through the air guide ring 41 to form an inner ring bubble blowing airflow from the inner outlet ring 42 towards the rear bubble blowing component 8 and an outer ring bubble blowing airflow from the outer outlet ring 43 towards the front bubble blowing component 7. The airflow direction is as follows: Figure 11 As shown, the arrow on the left represents the bubble-blowing airflow, the outer ring on the right represents the outer bubble-blowing airflow, and the inner ring on the right represents the inner bubble-blowing airflow. The air guide ring 41 has a thickness, and the inner and outer bubble-blowing airflows are two independent airflows. The inner outlet ring 42 faces the rear bubble-blowing component 8, and the diameter of the outer ring of the air guide component 4 is slightly smaller than the inner ring diameter of the front bubble-blowing component 7. The end face of the air guide ring 41 facing the fan has an axially inclined air guide surface 44. Multiple air guide plates 45 are connected between the air guide ring 41 and the inner and outer rings of the air guide component 4, and the air guide plates 45 are connected to the outer and inner rings of the air guide component. The bubble-blowing airflow generated by the fan is split by the air guide ring 41. Part of it is blown towards the rear bubble-blowing component 8 through the inner outlet ring 42, and small bubbles are blown out of the rear bubble-blowing component 8. The other part is blown towards the front bubble-blowing component 7 through the outer outlet ring 43, and large bubbles are blown out of the front bubble-blowing component 7. Because the rear bubble blower 8 is close to the center of the fan, the airflow blowing towards it is relatively weaker. Therefore, under the action of the air guide surface 44 on the back of the air guide ring 41, part of the airflow near the outer air outlet ring 43 is introduced into the inner air outlet ring 42, slightly enhancing the airflow in the inner air outlet ring 42. Moreover, through the action of the air guide ring 41, the flow direction of the inner ring bubble blowing airflow in the inner air outlet ring 42 is approximately parallel to the axial direction. The inner ring bubble blowing airflow blows onto all the bubble films on the rear bubble blowing ring 81, allowing small bubbles to be blown out axially. Due to the combined action of the outer ring of the air guide 4 and the air guide ring 41, the outer ring bubble blowing airflow blown from the outer air outlet ring 43 will be closer to the outer edge of the front bubble blowing ring 71. Combined with the inner ring bubble blowing airflow, this makes it easier for large bubbles to form.

[0068] The remaining structure of Example 2 is the same as that of Example 1.

[0069] Example 3, as Figure 12 The difference from Embodiment 1 or 2 is that only one front bubble ring 71 is provided, and a swing scraper 92 is provided in front of the front bubble ring 71, which can form the same bubble effect as the comparative document 1.

[0070] Example 4, as Figure 13 , and example 1 or 2, the difference is that only one front blowing bubble ring 71 is arranged, and the swing scraping rod 92 is arranged behind the front blowing bubble ring 71, and the same bubble blowing effect as that of the comparative file 1 can be formed.

[0071] Example 5, as Figure 14 , and example 2, the difference is that the rear blowing bubble part is a rotary bubble blowing assembly, the rotary bubble blowing assembly comprises an outer gear 82, the outer gear 82 is engaged with the gear b through a gear shaft, and a plurality of rear blowing bubble rings 81 are arranged on the inner side of the outer gear 82 and follow the rotation of the outer gear 82. The rotary bubble blowing assembly is an existing bubble blowing part, and the structure thereof will not be described here.

[0072] Example 6, as Figure 15 indicated, the two sides of the front blowing bubble ring are provided with guide columns, the two sides of the front blowing bubble ring of the front blowing bubble part are connected with the guide columns, the guide columns and the front blowing bubble ring have a gap therebetween, the guide columns and the front blowing bubble ring are connected through intermediate connecting ribs, the intermediate connecting ribs can be provided in a protruding manner forwardly to avoid interfering with the movement of the swing scraping rod. The rest of the structure of the embodiment is the same as that of example 1. If the guide columns and the front blowing bubble ring are arranged in close contact, then after the electric bubble machine works for a period of time, small bubble foam containing air will be accumulated in the gap therebetween, the bubble foam will fall into the bottom of the cover shell, and bubble foam accumulation will occur in the cover shell, even if the liquid collecting port 52 is pumped, the bubble foam containing air is difficult to be pumped away. Therefore, the gap between the guide columns and the front blowing bubble ring is arranged, so that under the action of the outer circle blowing bubble airflow, the bubble foam containing air can be blown away, and accumulation of the bubble foam containing air is avoided.

[0073] In summary, the electric bubble machine can continuously blow out bubbles, can form bubbles of different sizes and different types, has good bubble blowing effect, and is high in interestingness.

[0074] The above describes the ideal embodiments of the utility model as an inspiration, through the above description, relevant staff can make various changes and modifications without deviating from the technical idea of the utility model. The technical scope of the utility model is not limited to the content in the specification, and must be determined by the scope of claims.

Claims

1. An electric bubble machine comprising a double-head motor (2), one end of which drives a fan (3) to blow a bubble blowing air flow to a bubble blowing mechanism through the fan (3), and the other end of which delivers bubble solution to the bubble blowing mechanism through a liquid delivery mechanism (6), characterized in that, The bubble generating mechanism comprises a small-diameter rear bubble blowing part (8) and a large-diameter front bubble blowing part (7), the rear bubble blowing part (8) is arranged close to the air outlet side of the fan (3), the front bubble blowing part (7) is arranged away from the air outlet side of the fan (3), and the rear bubble blowing part (8) is located inside the front bubble blowing part (7) in the radial direction.

2. The motorized bubble machine of claim 1, wherein, The front bubble blowing part (7) comprises a large-diameter front bubble blowing ring (71), the inner ring of the front bubble blowing ring (71) is provided with a liquid storage groove A, the end surface of the front bubble blowing ring (71) is circumferentially provided with a liquid storage flow guide groove B, the liquid storage flow guide groove B and the outer ring of the front bubble blowing ring (71) form a flow guide gap E, and the bubble liquid entering from the liquid inlet gradually fills the liquid storage flow guide groove B from top to bottom, and the bubble liquid overflowing from the liquid storage flow guide groove B flows to the liquid storage groove A.

3. The motorized bubble machine of claim 2, wherein, The upper end of the front bubble blowing ring (71) is symmetrically provided with a liquid inlet interface (72) in communication with the liquid feeding mechanism (6), the liquid inlet interface (72) is located at the top end of the front bubble blowing ring (71), and the bubble liquid enters the bubble blowing ring from both sides and flows downward.

4. The motorized bubble machine of claim 3, wherein, The front bubble blowing part (7) comprises two connected front bubble blowing rings (71), the front bubble blowing rings (71) are symmetrically arranged, and a gap is formed between the front bubble blowing rings (71), the bubble liquid is distributed to the front bubble blowing rings (71) on both sides through the gap, and the liquid storage grooves A between the front bubble blowing rings (71) are aligned, so that the bubble liquid transfers and flows between the front bubble blowing rings (71).

5. The motorized bubble machine of any one of claims 1-4, wherein, The fan (3) and the rear bubble blowing part (8) are provided with a wind guide part (4) coaxial with the front bubble blowing part (7), the inner ring and the outer ring of the wind guide part (4) are provided with a wind guide ring (41), the wind guide ring (41) separates the wind guide part (4) into an air outlet inner ring (42) and an air outlet outer ring (43), and the bubble blowing airflow passes through the wind guide ring (41) to form an inner ring bubble blowing airflow blowing from the air outlet inner ring to the inner ring of the rear bubble blowing part (8) and an outer ring bubble blowing airflow blowing from the air outlet outer ring to the outer ring of the front bubble blowing part (7).

6. The motorized bubble machine of claim 5, wherein, The wind guide ring (41) has a thickness, and the inner ring bubble blowing airflow and the outer ring bubble blowing airflow are two independent airflows.

7. The motorized bubble machine of claim 6, wherein, The end surface of the wind guide ring (41) facing the fan is provided with a wind guide surface (44) inclined to the axial direction, and a plurality of wind guide plates are connected between the wind guide ring (41) and the outer ring and the inner ring of the wind guide part (4).

8. The motorized bubble machine of claim 7, wherein, The rear bubble blowing part (8) has a small-diameter rear bubble blowing ring (81), the rear bubble blowing ring (81) has a liquid storage groove C inside, the rear bubble blowing part (8) is provided with a liquid inlet (83) in communication with the liquid feeding mechanism (6) above, the rear bubble blowing ring (81) is located below the liquid inlet (83), and the rear bubble blowing ring (81) is connected to other rear bubble blowing rings (81) through a flow channel below.

9. The motorized bubble machine of claim 7, wherein, The rear bubble blowing part (8) is a rotating bubble generating assembly, the rotating bubble generating assembly comprises an outer gear (82), the outer gear (82) is engaged with a gear b through a gear shaft, and a plurality of small-diameter rear bubble blowing rings (81) that rotate with the outer gear (82) are arranged on the inner side of the outer gear (82).

10. The motorized bubble machine of claim 8 or 9, wherein, Further comprising a scraping rod mechanism (9) including a swing scraping rod (92) reciprocally swinging on the surface of the bubble blowing ring to form a liquid film, the swing scraping rod (92) having a liquid storage groove D.

11. The motorized bubble machine of claim 10, wherein, The swing scraping rod (92) is connected to the front end of a rotating plate (91) on both sides, the other end of the rotating plate (91) is rotatably connected to a connecting column (11) of the shell (1), and the connecting column (11) is connected with a reset torsion spring (93), one end of the reset torsion spring (93) is connected with a fixed column (12) of the shell (1).

12. The motorized bubble machine of claim 11, wherein, The rotating plate (91) is driven to swing by a transmission mechanism, the transmission mechanism has a rotating disc (96) with an eccentric column (97), the rotating plate (91) has an inclined surface (94), the eccentric column (97) pushes the inclined surface (94) to swing the rotating plate (91) downward, and the eccentric column (97) is separated from the inclined surface (94) to reset the rotating plate (91) driven by the reset torsion spring (93).

13. The motorized bubble machine of claim 12, wherein, The transmission mechanism includes a gear c connected with the liquid feeding mechanism (6), the gear c is engaged with a gear d, the gear d is engaged with a gear e, the gear e is engaged with a gear f, the gear f is fixed with a transmission shaft (95), and the transmission shaft (95) is connected with the rotating disc (96) at both ends.

14. The motorized bubble machine of claim 13, wherein, The front bubble blowing ring (71) of the front bubble blowing piece (7) is connected with a guide column (73) on both sides, and the guide column (73) has a gap with the front bubble blowing ring (71).

15. The motorized bubble machine of claim 14, wherein, Both ends of the swing scraping rod (92) form a guide groove (98) surrounding the outside of the guide column (73) and gap-fitting with the guide column (73).

16. The motorized bubble machine of claim 15, wherein, The front end of the shell has a cover, the cover is provided with a groove body matched with the rotating plate (91), the upper side of the groove body is provided with a buffer pad (51), and the lower side of the cover is provided with a liquid collecting port for collecting bubble liquid.

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