A foaming jet device, a foaming device and a foaming toilet

Abstract

The application discloses a foaming injection device, a foaming device and a foaming toilet. The foaming injection device comprises a foaming injection body, which is provided with a foaming cavity, an air suction port, an acceleration hole and a foam injection port connected with the foaming cavity. The foaming solution is accelerated into the foaming cavity of the foaming injection body through the acceleration hole, so that the foaming cavity of the foaming injection body generates negative pressure and air is sucked in through the air suction port. The air is mixed with the foaming solution to generate foam. The foaming injection device of the application utilizes the Venturi effect to generate negative pressure and automatically suck in air, so that the air and the liquid are mixed to generate foam. Therefore, the foaming injection device has the advantages of simple structure, small volume, convenient installation, low cost and high foaming efficiency.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of bathroom, in particular to a foaming jet device, a foaming device and a foaming toilet. BACKGROUND

[0002] At present, intelligent toilets have many functions such as warm water flushing, warm air drying, seat heating, etc., but in actual use, the falling of excrement will splash the liquid in the toilet and cause body pollution, and the excrement is in a natural exposed state until it is washed away, the odor is easy to spread and difficult to remove, which brings inconvenience to people when using the toilet. Therefore, foaming toilets appear on the market, which can effectively solve the problem of dirt scaling on the toilet by covering the foaming generated by the foaming device in the toilet bowl.

[0003] The foaming structure of the intelligent toilet on the market usually adopts a foaming stone to cooperate with an air pump to produce a foaming agent and water mixture, including a water tank, a liquid storage tank, a water pump, a liquid pump and an air pump, etc. The structure is complicated, the volume is large, the connection structure and the structure for realizing the function are complex and not efficient, and at the same time, it occupies too much internal space of the intelligent toilet, so that the toilet with foaming function is huge in size. In addition, in addition to low foaming efficiency and complex structure, the cost is also high. SUMMARY

[0004] The present application provides a foaming jet device, a foaming device and a foaming toilet which occupy less space and have a simple structure.

[0005] The technical scheme adopted by the present application to solve the technical problems is: a foaming jet device, comprising a foaming jet body, the foaming jet body is provided with an air suction port, an acceleration hole and a foam jet port which are communicated with the foaming cavity of the foaming jet body, the foaming solution enters the foaming cavity of the foaming jet body through the acceleration hole to accelerate, so that the foaming cavity of the foaming jet body generates negative pressure and sucks in air through the air suction port, and the air and the foaming solution are mixed to generate foam.

[0006] Further, a foaming member is arranged in the foaming cavity of the foaming jet body, and the foaming solution mixed with air collides with the foaming member to further foam.

[0007] Further, the foaming member comprises a mesh, or the foaming member comprises at least two meshes which are distributed along the flow direction of the foaming solution.

[0008] Further, the foaming jet body is further provided with a liquid inlet channel located on the upstream side of the acceleration hole, the liquid inlet channel is communicated with the acceleration hole, and the diameter of the acceleration hole is smaller than the diameter of the liquid inlet channel.

[0009] Further, the air suction port is connected with a foam discharge pipe or a foam discharge connector.

[0010] Further, the foaming cavity of the foaming spray body is provided with a baffle wall, which divides the foaming cavity into a first chamber and a second chamber, the baffle wall is provided with a through hole leading to the second chamber and the first chamber, the air inlet and the acceleration hole communicate with the first chamber, the foam spray hole communicates with the second chamber, and the foaming member is located in the second chamber.

[0011] Further, the diameter of the through hole is larger than that of the acceleration hole, and the through hole and the acceleration hole are located on the same axis.

[0012] Further, the foaming spray body comprises a self-suction connector, a foaming spray head and a bubble-inducing spray head, the foaming spray head connects the self-suction connector and the bubble-inducing spray head, the self-suction connector is provided with the first chamber, the air inlet and the acceleration hole; the foaming spray head is provided with the second chamber, or the foaming spray head cooperates with the bubble-inducing spray head to form the second chamber; the baffle wall is arranged on the foaming spray head or the self-suction connector, and the foam spray hole is arranged on the bubble-inducing spray head.

[0013] Further, the foaming spray body comprises a self-suction connector, a foaming spray head and a bubble-inducing spray head, the foaming spray head connects the self-suction connector and the bubble-inducing spray head, the self-suction connector and the foaming spray head or the self-suction connector, the foaming spray head and the bubble-inducing spray head cooperate to form the foaming cavity of the foaming spray body; the self-suction connector is provided with the air inlet and the acceleration hole; the bubble-inducing spray head is provided with the foam spray hole.

[0014] Further, the foaming spray body comprises a self-suction connector and a bubble-inducing spray head, the self-suction connector is sealingly connected with the bubble-inducing spray head, and the two form the foaming cavity of the foaming spray body; the self-suction connector is provided with the air inlet and the acceleration hole, and the bubble-inducing spray head is provided with the foam spray hole.

[0015] Further, the self-suction connector is snap-connected with the foaming spray head, and the foaming spray head is snap-connected with the bubble-inducing spray head.

[0016] Further, the bubble-inducing spray head comprises a first pipe body and a second pipe body, the first pipe body is horizontal, and the second pipe body is obliquely arranged, the upper end of the second pipe body communicates with the first pipe body, and the lower end of the second pipe body is provided with the foam spray hole.

[0017] Further, the bubble-inducing spray head further comprises a mounting seat, and the first pipe body is arranged on the mounting seat.

[0018] The application further provides a foaming device comprising a foaming solution supply device and the foaming spray device as described above.

[0019] The application further provides a foaming toilet comprising the foaming device as described above.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] 1. Because the foaming spray body is equipped with an air intake, an acceleration hole and a foam spraying port that connect to its foaming chamber, the foaming solution is accelerated into the foaming chamber of the foaming spray body through the acceleration hole, which generates negative pressure in the foaming chamber of the foaming spray body and draws in air through the air intake. The air mixes with the foaming solution to produce foam, so that the present invention can achieve foaming without the use of foaming stone and air pump, and the structure is simpler, smaller in size, easier to install, lower in cost and higher in foaming efficiency.

[0022] 2. The foaming component enables the present invention to further foam, thereby further improving the foaming efficiency and generating a large amount of foam.

[0023] 3. The foaming component is preferably a mesh sheet, which not only has a simple structure and is easy to install, but also produces finer and more uniform foam.

[0024] 4. The self-priming part is also provided with a liquid inlet channel located upstream of the acceleration hole. The liquid inlet channel is connected to the acceleration hole, which not only makes it easier for the foaming spray body to connect to the external foaming solution supply pipe, but also makes the structure of the acceleration hole simpler to design, for example, it can be set as a round hole.

[0025] 5. The air intake is connected to a defoaming pipe or defoaming connector, which enables the foam generated by the residual foaming solution in the foaming spray device to be guided to a suitable position through the defoaming pipe or defoaming connector and its connected defoaming pipe in abnormal situations where the foaming solution is exhausted and the acceleration hole only pushes in air, instead of overflowing everywhere through the air intake.

[0026] 6. The setting of the baffle wall and its through holes allows the negative pressure generated in the foaming spray body to circulate in the first chamber of the foaming cavity, thereby increasing the suction force of the outside air.

[0027] 7. The self-priming part is a self-priming connector, and the foaming part includes a foaming spray head and a foam-inducing spray head. The self-priming connector is connected to the foaming spray head through the foaming spray head. The baffle is provided at the foaming spray head. Therefore, the foaming spraying device of the present invention includes a separate self-priming connector, a foaming spray head and a foam-inducing spray head. This makes the structure of the foaming spraying device of the present invention easier to manufacture and mass-produce.

[0028] 8. The foaming spray body includes a self-priming connector, a foaming spray head, and a foam-initiating spray head, or includes a self-priming connector and a foam-initiating spray head, making the foaming spray body easier to manufacture and mass-produce.

[0029] 9. The bubble generating nozzle comprises the first tube and the second tube, so that the bubble generating nozzle is easy to adjust to a suitable working state. In particular, the bubble generating nozzle further comprises a mounting base, and the first tube is arranged on the mounting base, so that the bubble generating nozzle can be directly positioned by using the mounting base.

[0030] The present application will be further described in detail below in conjunction with the accompanying drawings and examples. However, the bubble generating nozzle, the bubble generating device and the bubble generating toilet according to the present application are not limited to the examples. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 is an exploded view of the bubble generating nozzle according to the present application in Example 1;

[0032] Figure 2 is a structural view of the bubble generating nozzle according to the present application in Example 1; Figure 1 ;

[0033] Figure 3 is a structural view of the bubble generating nozzle according to the present application in Example 1; Figure 2 ;

[0034] Figure 4 is a sectional view of the bubble generating nozzle according to the present application in Example 1;

[0035] Figure 5 is a bubble generating view of the bubble generating nozzle according to the present application in Example 1;

[0036] Figure 6 is a structural view of the bubble generating device / bubble generating toilet according to the present application in Example 1;

[0037] Figure 7 is a partial sectional view of the bubble generating device / bubble generating toilet according to the present application in Example 1;

[0038] Figure 8 is a bubble generating view of the bubble generating nozzle according to the present application in Example 2;

[0039] Figure 9 is a bubble generating view of the bubble generating nozzle according to the present application in Example 3. DETAILED DESCRIPTION

[0040] Example 1

[0041] Please refer to Figures 1-5As shown, the foaming spraying device of the present application comprises a foaming spraying body, which is provided with an air suction port 12, an acceleration hole 13 and a foam spraying port 321, the foaming solution is accelerated into the foaming cavity of the foaming spraying body through the acceleration hole 13, so that the foaming cavity of the foaming spraying body generates negative pressure and sucks in air through the air suction port 12, and the air and the foaming solution are mixed to generate foam. The foaming solution is a mixture of water and foaming agent, and the foaming agent is preferably a foaming liquid, which can be a foaming stock solution or a diluted foaming stock solution.

[0042] In this embodiment, the foaming member is arranged in the foaming cavity of the foaming spraying body, and the foaming solution mixed with air collides with the foaming member to further foam.

[0043] In this embodiment, the foaming member comprises at least two meshes 4, which are distributed along the flow direction of the foaming solution. The number of meshes 4 is specifically two, but is not limited thereto, and in other embodiments, the number of meshes is one or more than two. The mesh 4 specifically has a circular structure, which comprises a fixed ring 41 and a mesh sheet 42 arranged in the fixed ring, and the mesh sheet 42 is uniformly distributed with a plurality of mesh holes. In other embodiments, the foaming member comprises a plurality of spaced-apart baffle strips, etc.

[0044] In this embodiment, the foaming cavity of the foaming spraying body is provided with a baffle wall 21, which divides the foaming cavity of the foaming spraying body into a first chamber 11 and a second chamber 7, the baffle wall 21 is provided with a through hole 211 leading to the second chamber 7 and the first chamber 11, the air suction port 12 and the acceleration hole 13 communicate with the first chamber 11, the foam spraying port 321 communicates with the second chamber 7, and the foaming member (i.e. the mesh 4) is located in the second chamber 7. The diameter of the through hole 211 is greater than the diameter of the acceleration hole 13, and the through hole 211 and the acceleration hole 13 are located on the same axis, but are not limited thereto. The arrangement of the baffle wall 21 and the through hole 211 enables the negative pressure generated in the foaming spraying body to circulate in the first chamber 11 of the foaming cavity, thereby increasing the suction force of the external air.

[0045] In this embodiment, the foaming spraying body is further provided with a liquid inlet channel 14 located on the upstream side of the acceleration hole 13, the liquid inlet channel 14 communicates with the acceleration hole 13, and the diameter of the acceleration hole 13 and the diameter of the through hole 211 are both smaller than the diameter of the liquid inlet channel 14. In other embodiments, the acceleration hole is a variable-diameter hole, such as a tapered hole, etc.

[0046] In this embodiment, the air inlet 12 is connected with a bubble discharge connector 6, which can be used to connect a bubble discharge pipe. In other embodiments, the air inlet is directly connected with a bubble discharge pipe. The bubble discharge connector 6 is generally L-shaped, and the vertical part faces downward and is connected with the air inlet 12. The bubble discharge connector 6 or the bubble discharge pipe can be provided to, in the abnormal case that the accelerating hole 13 only pushes air when the foaming solution is exhausted, drain the foam generated by the residual foaming solution in the foaming injection device through the bubble discharge pipe or the bubble discharge connector 6 and the bubble discharge pipe connected therewith to a suitable position, so as to avoid overflow of the foam through the air inlet 12.

[0047] In this embodiment, the foaming injection body includes a self-suction connector 1, a foaming injection head 2, and a bubble guiding injection head 3, the foaming injection head 2 is connected with the self-suction connector and the bubble guiding injection head 3. The self-suction connector 1 is provided with the first chamber 11, the air inlet 12, the accelerating hole 13, and the liquid inlet channel 14. The foaming injection head 2 cooperates with the bubble guiding injection head 3 to enclose the second chamber 7, but is not limited thereto, and in other embodiments, the foaming injection head is provided with the second chamber. The baffle wall 21 is arranged at one end of the foaming injection head 2, the other end of the foaming injection head 2 is open, and the bubble injection port 321 is arranged at the bubble guiding injection head 3. In other embodiments, the baffle wall is arranged at the self-suction connector. Therefore, the foaming injection body of the present application includes a separate self-suction connector 1, a foaming injection head 2, and a bubble guiding injection head 3, which makes the structure of the foaming injection device of the present application easier to manufacture and mass-produce. In other embodiments, the foaming injection body is integrally formed and can be manufactured by 3D printing.

[0048] In this embodiment, the self-suction connector 1 is snap-connected with the foaming injection head 2, the foaming injection head 2 is snap-connected with the bubble guiding injection head 3, and the foaming injection head 2 is partially sleeved in the bubble guiding injection head 3 (a sealing ring 5 is arranged outside the foaming injection head 2 to facilitate sealing the gap between the foaming injection head 2 and the bubble guiding injection head 3). Part of the second chamber 7 is located in the foaming injection head 2, and the rest of the second chamber 7 is located in the bubble guiding injection head 3 and is provided with the foaming member (i.e. the mesh 4), and the mesh 4 is limited between the limiting steps arranged inside the foaming injection head 2 and the bubble guiding injection head.

[0049] In the embodiment, the bubble guiding and spraying head 3 specifically comprises a first pipe body 31 and a second pipe body 32, the first pipe body 31 is horizontally arranged, the second pipe body 32 is arranged in an inclined manner, one end of the first pipe body 31 is connected with the bubble spraying head 2 and the two are matched to form the second chamber. Specifically, the bubble spraying head 2 is sleeved with the first pipe body 31, during installation, the mesh 4 is first installed in the first pipe body 31, then the bubble spraying head 2 is partially sleeved in the first pipe body 31, and the mesh 4 is limited by the annular limiting step arranged in the bubble spraying head 2 and the first pipe body 31. The other end of the first pipe body 31 is connected with the upper end of the second pipe body 32, and the included angle between the first pipe body 31 and the second pipe body 32 is greater than 90 degrees. The lower end of the second pipe body 32 is provided with the bubble spraying port 321. The bubble guiding and spraying head 3 further comprises a mounting seat 33 provided with a mounting hole, and the first pipe body 31 is arranged on the mounting seat 33.

[0050] In the embodiment, the snap connection mode of the self-suction connector 1 and the bubble spraying head 2 is that the self-suction connector 1 is provided with two first clamping grooves 15, the bubble spraying head 2 is provided with two first elastic clamping claws 22 facing the self-suction connector 1, and the opposite outer sides of the tail ends of the two first elastic clamping claws 22 are respectively provided with a first barb 221. During connection, the two first elastic clamping claws 22 pass through the two first clamping grooves 15 one by one, and the first barbs 221 of the two first elastic clamping claws 22 are respectively hung on the edge of one end of the first clamping groove 15 away from the bubble spraying head 2. The snap connection mode of the bubble spraying head 2 and the bubble guiding and spraying head 3 is that the first pipe body 31 of the bubble guiding and spraying head 3 is provided with two second clamping grooves 311, the bubble spraying head 2 is provided with two second elastic clamping claws 23 facing the bubble guiding and spraying head 3, and the opposite outer sides of the tail ends of the two second elastic clamping claws 23 are respectively provided with a second barb 231. During connection, the two second elastic clamping claws 23 pass through the two second clamping grooves 311 one by one, and the second barbs 231 of the two second elastic clamping claws 23 are respectively hung on the edge of one end of the second clamping groove 311 away from the bubble spraying head 2.

[0051] In the embodiment, the bubble guiding and spraying head 3 and the self-suction connector 1 are also connected in a snap connection mode, specifically, the bubble guiding and spraying head 3 is substantially in the shape of L, the vertical part of the bubble guiding and spraying head 3 faces downward and is sleeved with the part where the air inlet 12 of the self-suction connector 1 is located, and the vertical part of the bubble guiding and spraying head 3 is provided with two clamping blocks 61, the self-suction connector 1 is provided with two third elastic clamping claws 16 upward, the tail ends of the two third elastic clamping claws 16 are respectively provided with a third barb 161, and the two third barbs 161 are arranged opposite to each other. During connection, the two third elastic clamping claws 16 are located on the opposite outer sides of the two clamping blocks 61, and the third barbs 161 of the two third elastic clamping claws are respectively hung on the top ends of the two clamping blocks 61.

[0052] The bubble spraying device of the application is used in cooperation with a bubble solution supply device and applied in an intelligent toilet.

[0053] The foaming solution enters the liquid inlet channel 14 of the self-suction joint 1 in the form of a water column, is accelerated and pressurized by the acceleration hole 13, enters the first chamber 11, and forms a Venturi effect, so that the first chamber 11 forms a negative pressure to suck in external air from the air inlet 12. The air and the foaming solution are mixed in the first chamber 11 to produce the first foaming. The foaming solution continues to be pushed forward and enters the second chamber 7, and then hits the two meshes 4 to produce the second foaming and the third foaming. After the foaming is completed, the foam is pushed by the foaming solution at the rear end, and finally is discharged through the foam discharge port 321 of the bubble guide spray head 3, as shown in Figure 5 .

[0054] The foaming spray device of the present application sucks in air by self-suction, further foams by the impact foaming member, and produces a large amount of foam. The whole foaming process does not need to use foaming stones and an air pump, and the structure is very simple, small in size, convenient to install, low in cost, and high in foaming efficiency.

[0055] Please refer to Figure 6 , Figure 7 The foaming device of the present application includes the foaming solution supply device 8 and the above-mentioned foaming spray device, and the foaming spray device is provided with the foaming solution by the foaming solution supply device 8. The foaming solution supply device 8 specifically includes a water tank 81, a liquid storage box 84, a mixing valve 83, and a pump body 82. The water inlet of the mixing valve 83 is connected to the water tank 81, the liquid inlet channel of the mixing valve 83 is connected to the liquid storage box 84, the mixed liquid outlet of the mixing valve 83 is connected to the input end of the pump body 82, and the output end of the pump body 82 is connected to the liquid inlet channel 14 of the foaming spray device. When working, the pump body 82 is started, the air in the mixing valve 83 is extracted to produce a negative pressure, and water and foaming liquid (the foaming liquid is a foaming stock solution or a diluted foaming stock solution) are respectively sucked in through the water inlet and the liquid inlet channel. The water and the foaming liquid are fully mixed in the mixing valve 83 to form a foaming solution. The foaming solution enters the pump body 82 from the mixed liquid outlet of the mixing valve 83, is output to the liquid inlet channel 14 of the foaming spray device through a pipeline, is accelerated and pressurized by the acceleration hole 13, enters the first chamber 11, and forms a Venturi effect, so that the first chamber 11 forms a negative pressure to suck in external air from the air inlet 12. The air and the foaming solution are mixed in the first chamber 11 to produce the first foaming. The foaming solution continues to be pushed forward and hits the two meshes 4 to produce the second foaming and the third foaming. After the foaming is completed, the foam is pushed by the foaming solution at the rear end, and finally is discharged through the foam discharge port 321 of the bubble guide spray head 3.

[0056] The foaming solution supply device can also adopt the following structure: the foaming solution supply device comprises a liquid storage box, a water tank, a mixing valve and two pump bodies, wherein the input end of one pump body is connected to the water tank, the output end of one pump body is connected to the water inlet of the mixing valve, the input end of the other pump body is connected to the liquid storage box, and the output end of the other pump body is connected to the liquid inlet channel of the mixing valve; the mixed liquid outlet of the mixing valve is connected to the liquid inlet channel of the foaming spray device. In operation, the foaming liquid in the liquid storage box is first controlled to work in one pump body, and then the other pump body is started to input water into the mixing valve to mix with the foaming liquid to form a foaming solution. After the water is pumped into the mixing valve by the other pump body, the following two actions can be performed: a, quantitatively or timely input and stop pumping water; b, continue to pump water into the mixing valve, and the input water can provide power to push the foaming solution in the mixing valve out to the foaming spray device.

[0057] The foaming device of the present application can be applied to an intelligent toilet. When installed, the foaming device is arranged on the support body (which is specifically a support plate 9, but is not limited thereto) arranged at the top of the rear part of the toilet seat 10, and the second pipe body 32 of the bubble guiding and spraying head 3 of the foaming spray device penetrates through the support body and extends into the bowl of the toilet seat 10, so as to spray foam to the water seal surface of the bowl.

[0058] Referring to FIG. 1, Figure 6 , Figure 7 The foaming toilet of the present application is an intelligent toilet, which comprises a toilet seat 10 and the foaming device described above. Specifically, the foaming spray device is installed on the support body (which is specifically a support plate 9, but is not limited thereto) arranged at the top of the rear part of the toilet seat 10 of the foaming toilet through its mounting seat 33, and the second pipe body 32 of the bubble guiding and spraying head 3 of the foaming spray device penetrates through the support body and extends into the bowl of the toilet seat 10, so as to spray foam to the water seal surface of the bowl. The foaming solution supply device is also arranged on the support body.

[0059] The foaming principle of the foaming spray device of the foaming toilet of the present application is as described above, and will not be repeated here.

[0060] Example Two

[0061] Referring to FIG. 1, Figure 8 The foaming spray device of the present application is different from the first embodiment described above in that the foaming cavity 20 of the foaming spray body is not provided with a barrier wall.

[0062] In the embodiment, the foaming spray body also comprises a self-suction connector 1, a foaming spray head 2 and a bubble guiding spray head 3, and the foaming spray head 2 is connected with the self-suction connector 1 and the bubble guiding spray head 3. The self-suction connector 1, the foaming spray head 2 and the bubble guiding spray head 3 cooperatively enclose a foaming cavity 20 of the foaming spray body, but are not limited to this, in other embodiments, the self-suction connector and the foaming spray head cooperatively enclose the foaming cavity 20 of the foaming spray body. The foaming spray head 2 is open at opposite ends, the self-suction connector 1 is also open at an end opposite to the accelerating hole 13, and the bubble guiding spray head 3 is provided with a bubble spray port 321. The connection mode of the self-suction connector 1, the foaming spray head 2 and the bubble guiding spray head 3 is as described above, and will not be described here again. In other embodiments, the foaming spray body is integrally formed.

[0063] In the working process of the foaming spray device, the foaming solution enters the liquid inlet channel 14 of the self-suction connector 1 in the form of a water column, is accelerated and pressurized through the accelerating hole 13, enters the foaming cavity 20, and forms a Venturi effect, so that the foaming cavity 20 forms a negative pressure to suck in external air from the air inlet 12. The air mixes with the foaming solution to generate the first foaming. The foaming cavity 20 collides with the two meshes 4 in sequence in the process of the foaming solution continuing to be pushed forward, so as to generate the second foaming and the third foaming. After the foaming is completed, the foam is pushed by the foaming solution at the rear end, and finally is discharged through the bubble spray port 321 of the bubble guiding spray head 3, as shown in Figure 8

[0064] Embodiment three

[0065] Please refer to Figure 9 The foaming spray device of the present application is different from the embodiment two in that the foaming spray body comprises a self-suction connector 1 and a bubble guiding spray head 3, and the self-suction connector 1 and the bubble guiding spray head 3 are sealingly connected. The self-suction connector 1 and the bubble guiding spray head 3 cooperatively enclose a foaming cavity 20 of the foaming spray body, and the foaming cavity 20 is also not provided with a baffle, but is not limited to this, in other embodiments, the foaming cavity is provided with the baffle as described in the embodiment one. Specifically, the end of the self-suction connector 1 opposite to the liquid inlet channel 14 is sleeved and cooperated with the bubble guiding spray head 3, and the two can be further fixed by using a buckle connection mode. The structure of the bubble guiding spray head is the same as that of the bubble guiding spray head described in the embodiments one and two.

[0066] ​The foaming solution enters the liquid inlet channel 14 of the self-suction connector 1 in the form of a water column, is accelerated and pressurized by the accelerating hole 13, and then enters the foaming cavity 20, and forms a Venturi effect, so that the foaming cavity 20 forms a negative pressure to suck in external air from the air inlet 12, the air mixes with the foaming solution to produce the first foaming. The foaming cavity 20 successively collides with the two meshes 4 in the process of continuously pushing the foaming solution forward, so as to produce the second foaming and the third foaming. After the foaming is completed, the foam is propelled by the foaming solution at the rear end, and finally discharged through the foam discharge port 321 of the foam injection head 3, as shown in Figure 9

[0067] The above embodiments are only used to further illustrate the foaming injection device, the foaming device and the foaming toilet of the present application, but the present application is not limited to the embodiments, and any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application all fall within the protection scope of the technical scheme of the present application.​

Claims

1. A foaming jet device, characterized by: The foam spraying body is provided with a foam cavity, an air suction port, an acceleration hole and a foam spraying port, the foaming solution is accelerated into the foam cavity of the foam spraying body through the acceleration hole, the foam cavity of the foam spraying body generates negative pressure and sucks in air through the air suction port, and the air and the foaming solution are mixed to generate foam; the foam cavity of the foam spraying body is provided with a baffle, which divides the foam cavity of the foam spraying body into a first chamber and a second chamber, the baffle is provided with a through hole leading to the second chamber and the first chamber, the air suction port and the acceleration hole communicate with the first chamber, and the foam spraying port communicates with the second chamber; the diameter of the through hole is greater than the diameter of the acceleration hole, the through hole and the acceleration hole are located on the same axis, and the baffle and the through hole are arranged, so that the negative pressure generated in the foam spraying body circulates in the first chamber, and the suction force of the external air is increased; The second chamber is provided with a mesh, and the foaming solution mixed with the air further foams by impacting the mesh; The foam spraying body comprises a self-suction connector, a foam spraying head and a bubble guiding spraying head, the foam spraying head is connected with the self-suction connector and the bubble guiding spraying head, the self-suction connector is provided with the first chamber, the air suction port and the acceleration hole; the baffle is arranged in the foam spraying head, and the second chamber is formed in the foam spraying head, or the baffle is arranged in the self-suction connector, and the foam spraying head and the bubble guiding spraying head cooperate to form the second chamber; and the foam spraying port is arranged in the bubble guiding spraying head.

2. The foaming jet device of claim 1, wherein: The mesh is arranged in at least two pieces, and the at least two meshes are distributed along the flow direction of the foaming solution.

3. The foaming jet device of claim 1, wherein: The foam spraying body is further provided with a liquid inlet channel located on the upstream side of the acceleration hole, and the liquid inlet channel communicates with the acceleration hole, and the diameter of the acceleration hole is smaller than that of the liquid inlet channel.

4. The foaming jet device of claim 1, wherein: The air suction port is connected with a bubble discharge pipe or a bubble discharge connector.

5. The foaming jet device of claim 1, wherein: The foam spraying body comprises a self-suction connector, a foam spraying head and a bubble guiding spraying head, the foam spraying head is connected with the self-suction connector and the bubble guiding spraying head, the self-suction connector and the foam spraying head or the self-suction connector, the foam spraying head and the bubble guiding spraying head cooperate to form the foam cavity of the foam spraying body; the self-suction connector is provided with the air suction port and the acceleration hole; and the bubble guiding spraying head is provided with the foam spraying port.

6. The foaming jet device of claim 1, wherein: The foam spraying body comprises a self-suction connector and a bubble guiding spraying head, the self-suction connector is sealingly connected with the bubble guiding spraying head, and the self-suction connector and the bubble guiding spraying head form the foam cavity of the foam spraying body; the self-suction connector is provided with the air suction port and the acceleration hole, and the bubble guiding spraying head is provided with the foam spraying port.

7. The foaming jet device according to claim 1 or 5, characterized in that: The self-suction connector is snap-connected with the foam spraying head, and the foam spraying head is snap-connected with the bubble guiding spraying head.

8. The foaming jet device according to claim 1 or 5 or 6, characterized in that: The bubble guiding spraying head comprises a first pipe body and a second pipe body, the first pipe body is in a horizontal position, and the second pipe body is arranged in an inclined position, the upper end of the second pipe body is connected with the first pipe body, and the lower end of the second pipe body is provided with the foam spraying port.

9. The frothing jet device of claim 8, wherein: The bubble guiding spraying head further comprises a mounting seat, and the first pipe body is arranged on the mounting seat.

10. A foaming device comprising a foaming solution supply device, characterized by: The foam spraying device as claimed in any one of claims 1-9 is provided with the foaming solution supply device.

11. A foaming toilet bowl characterized by: The foam spraying device as claimed in any one of claims 1-9 is provided with the foaming solution supply device.

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