WO2024007628A1

WO2024007628A1 - Foam generation device

Info

Publication number: WO2024007628A1
Application number: PCT/CN2023/083390
Authority: WO
Inventors: 叶佳祥; 陆文棋
Original assignee: 江门市一六八卫浴科技有限公司
Priority date: 2022-07-06
Filing date: 2023-03-23
Publication date: 2024-01-11

Abstract

Disclosed in the present invention is a foam generation device. The foam generation device comprises a foaming device, and a liquid intake pipeline, an air intake pipeline and a bubble output pipeline, which are respectively connected to the foaming device. The liquid intake pipeline comprises a water intake pipe, a Venturi pipe, a water pump and a liquid-soap box, wherein the Venturi pipe is provided with a first liquid inlet, a second liquid inlet and a liquid outlet, with the first liquid inlet being connected to the water intake pipe, and the second liquid inlet being connected to the liquid-soap box; and a water intake side of the water pump is connected to the liquid outlet, and a water output side of the water pump is connected to the foaming device. In the present invention, the Venturi pipe and the water pump are both arranged on the liquid intake pipeline. Thus, when the water intake pressure is relatively high, the suction force of the Venturi pipe on liquid soap in the liquid-soap box is increased by the same proportion; and when the water intake pressure is relatively low, the suction force of the Venturi pipe on the liquid soap in the liquid-soap box is reduced by the same proportion, such that it is ensured that the proportion of intake water to the liquid soap is controlled within a rational range, and therefore the foaming effect is effectively ensured.

Description

A foam generating device

Technical field

The invention relates to a foam generating device.

Background technique

Currently, foam generating devices are used in many flushing equipment, such as shower heads and toilets in the sanitary ware industry and car washing devices in the automotive beauty industry. Existing foam generating devices usually use a separate venturi tube or a separate water pump to mix the incoming water and soap liquid. When a venturi tube is used alone, if the water inlet pressure is small, the suction force for the soap liquid will be too small. , resulting in a small amount of soap liquid being sucked in, resulting in poor foaming effect; when using a water pump alone, if the water inlet pressure is high, too much water will be sucked into the foaming device, resulting in poor foaming effect. If the water inlet pressure is small , too much soap liquid will be sucked into the foaming device, causing excessive foam.

Contents of the invention

In view of the technical problems existing in the background art, the object of the present invention is to provide a foam generating device with good foaming effect.

In order to achieve the above objects, the technical solutions adopted by the present invention are as follows:

A foam generating device, including a foaming device and a liquid inlet pipeline, an air inlet pipeline and a bubble outlet pipeline respectively connected to the foaming device. The liquid inlet pipeline includes a water inlet pipe, a venturi tube and a water pump. and a soap box, the venturi tube is provided with a first liquid inlet, a second liquid inlet and a liquid outlet, the first liquid inlet is connected to the water inlet pipe, and the second liquid inlet is The liquid port is connected to the soap box, the water inlet side of the water pump is connected to the liquid outlet, and the water outlet side of the water pump is connected to the foaming device.

Preferably, it also includes a switching unit, the switching unit has a water inlet channel, a first water outlet channel and a second water outlet channel, the switching unit includes a switching member, and the switching member controls the water inlet channel and the third water outlet channel. A water outlet channel and the second water outlet channel are switched and connected; wherein, the first water outlet channel is connected to a water outlet pipe, and the second water outlet channel is connected to the water inlet pipe.

Preferably, it further includes an adjusting member movably disposed in the second water outlet channel, and the overflow of the second water outlet channel is adjusted through the adjusting member.

Preferably, the switching unit further includes an adjustment channel that is vertically connected to the second water outlet channel, the adjustment member is movably arranged in the adjustment channel, and the adjustment member is threadedly engaged with the adjustment channel.

Preferably, the adjusting member includes a tapered surface located in the second water outlet channel.

Preferably, it also includes a three-way valve and a joint for connecting a shower head or a water gun. The three valve ports of the three-way valve are respectively connected to the water outlet pipe, the bubble pipe and the joint. The joint is connected to the three-way valve. The valve connection is equipped with a temperature sensing device.

Preferably, the water inlet pipe is equipped with a pressure stabilizing valve or a flow limiter at the front end of the venturi tube, and the water inlet pipe is equipped with a water flow sensing switch between the pressure stabilizing valve and the venturi tube, so The water flow sensing switch is electrically connected to the water pump.

Preferably, the air intake pipeline includes an air intake pipe, an air pump and a first one-way valve installed on the air intake pipe and arranged in sequence along the air intake direction.

Preferably, the air pump is electrically connected to the water flow sensing switch.

Preferably, it also includes a control switch for controlling the opening and closing of the air pump. The water inlet pipe has a vertical water passing angle, and a mounting hole is provided at the water passing angle position. A plug is installed in the mounting hole, and the plug is hinged. There is a swing plate, the swing plate is connected to the control switch, the swing plate swings under the impact of the water flow in the water inlet pipe, and then triggers the control switch.

Preferably, a filter is installed on the pipeline between the soap box and the second liquid inlet.

Preferably, it also includes a housing, and the bubbling device, liquid inlet pipeline, air inlet pipeline and bubble outlet pipeline are respectively integrated and installed inside the housing.

Preferably, the front end of the water inlet pipe is provided with a filter cavity, and a filter element is installed in the filter cavity. An opening for the filter element to be installed is provided at the bottom of the filter cavity, and a screw is removably and sealedly installed at the opening. Cover, the bottom of the housing is provided with a through hole for the screw cap to pass through.

Preferably, it also includes a battery fixed inside the housing and used to power the device.

Preferably, the soap box is provided with a transparent window, and the housing is provided with an observation window at a position corresponding to the transparent window.

Preferably, it also includes an installation base, which has a storage platform and first and second accommodation chambers located at the bottom of the storage platform. The front end of the installation base is provided with an installation opening and a through-hole through the first accommodation cavity. A giving-open opening of the second accommodation cavity, the soap box is detachably assembled in the first accommodation cavity, and the liquid inlet pipeline, air inlet pipeline and bubble outlet pipeline are respectively integrated and installed in the second accommodation cavity. Inside.

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

1. By installing a venturi tube and a water pump on the liquid inlet pipeline at the same time, when the inlet water pressure is high, the suction force of the venturi tube on the soap liquid in the soap box increases in proportion. When the inlet water pressure is low, the suction force of the venturi tube on the soap liquid in the soap box increases proportionally. The suction force of the inner tube to the soap liquid in the soap box is reduced proportionally, ensuring that the ratio between the incoming water and the soap liquid is controlled within a reasonable range, thus ensuring the foaming effect;

2. By setting the switching unit, the device of the present invention can switch between the foaming mode and the non-foaming mode. When not foaming, the water inlet and the water outlet are directly connected to achieve the effect of showering or rinsing;

3. By adjusting the flow rate of the second water outlet channel, the mixing ratio of water and foam liquid is adjusted, and the amount of foaming is adjusted. The structure is simple and the operation is convenient.

3. By installing a pressure stabilizing valve or flow limiter on the water inlet pipe, the inlet water pressure can be maintained within a certain range, making the pressure at the water outlet more stable and improving the user experience;

4. By installing a water flow sensing switch on the water inlet pipe, when it senses that the water inlet is open, the water pump and air pump will be automatically turned on, which not only improves the convenience of use, but also makes it more energy-saving and environmentally friendly;

5. All pipelines and components are integrated inside the casing, which is convenient for disassembly, assembly and portability. It is small in size, simple in structure and highly reliable. The overall appearance is simple and beautiful.

6. Integrate the soap box and pipeline into the mounting base. When in use, the mounting base can be fixedly mounted on the wall, and the storage platform above can be used to place items, such as mobile phones. At the same time, it is convenient to replace the soap dispenser box and operate each pipeline.

Description of the drawings

In order that the advantages of the invention may be more readily understood, the invention briefly described above will be described in more detail with reference to specific embodiments illustrated in the accompanying drawings. It is to be understood that the appended drawings depict only typical embodiments of the invention and are therefore not to be considered limiting of its scope, describing and explaining the invention in additional specificities and details. In the attached picture:

Figure 1 is a schematic three-dimensional structural diagram of Embodiment 1;

Figure 2 is a schematic diagram of the main component arrangement of Embodiment 1;

Figure 3 is a schematic diagram of the principle of Embodiment 1;

Figure 4 is a schematic three-dimensional structural diagram of Embodiment 2;

Figure 5 is a schematic diagram of the main component arrangement of Embodiment 2;

Figure 6 is a schematic diagram of the principle of Embodiment 2;

Figure 7 is a perspective view of Embodiment 3;

Figure 8 is a schematic diagram of the third embodiment with the housing hidden;

Figure 9 is a cross-sectional view of Embodiment 3;

Figure 10 is one of the three-dimensional views of the fourth embodiment;

Figure 11 is the second perspective view of the fourth embodiment;

Figure 12 is an exploded view of Embodiment 4;

Figure 13 is a schematic diagram of the fourth embodiment with the mounting base hidden.

Main component symbol description: 1. Bubble device; 2. Liquid inlet pipe; 21. Water inlet pipe; 22. Venturi tube; 221. First liquid inlet; 222. Second liquid inlet; 223. Liquid outlet ; 23. Water pump; 24. Soap box; 240. Transparent window; 25. Pressure regulating valve; 26. Water flow sensor switch; 27. Filter; 28. Filter chamber; 29. Filter element; 210. Screw cap; 3. Inlet Air pipeline; 31. Air inlet pipe; 32. Air pump; 33. One-way valve; 4. Bubble pipe; 5. Housing; 50. Through hole; 51. Battery; 52. Observation window; 6. Switching unit; 61. Water inlet channel; 610. Switch; 62. Water outlet pipe; 63. Adjustment channel; 7. Three-way valve; 8. Connector; 9. Temperature sensing device; 10. Adjustment piece; 11. Mounting base; 110. Chapter A receiving cavity; 120. A second receiving cavity.

Implementation

In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer and clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention and are not intended to limit the present invention.

In the following discussion, details are given in order to provide a more thorough understanding of the invention. However, one skilled in the art will appreciate that the present invention may be practiced without one or more of these details. In specific examples, some technical features that are well known in the art are not described in detail in order to avoid confusion with the present invention. It should be noted that the terms "upper", "lower", "front", "back", "left", "right" and similar expressions used in this article are for illustrative purposes only and are not limiting.

Ordinal words such as "first" and "second" cited in the present invention are merely identifiers and do not have any other meaning, such as a specific order, etc. Furthermore, for example, the term "first component" does not by itself imply the presence of a "second component" and the term "second component" does not by itself imply the presence of a "first component".

Referring to Figures 1 to 3, a foam generating device according to a first embodiment of the present invention includes a foaming device 1 and a liquid inlet pipeline 2, an air inlet pipeline 3 and a foaming device respectively connected to the foaming device 1. Pipeline 4. The liquid inlet pipeline 2 includes a water inlet pipe 21, a venturi tube 22, a water pump 23 and a soap box 24. The venturi tube 22 is provided with a first liquid inlet 221, a second liquid inlet 222 and a liquid outlet 223. The liquid inlet 221 is connected to the water inlet pipe 21 , and the second liquid inlet 222 is connected to the soap box 24 . The water inlet side of the water pump 23 is connected to the liquid outlet 223, and the water outlet side is connected to the bubble device 1. Under the joint action of the venturi tube 22 and the water pump 23, the incoming water and soap liquid are pumped into the foaming device 1. At the same time, the air is driven into the foaming device 1 from the air inlet pipeline 3, and the incoming water, soap liquid and The air is mixed in the foaming device 1 and generates a large amount of foam. By arranging the venturi tube 22 and the water pump 23 on the liquid inlet pipeline 2 at the same time, when the inlet water pressure is high, the suction force of the venturi tube 22 on the soap liquid in the soap box 24 increases in proportion. When it is low, the suction force of the venturi tube 22 on the soap liquid in the soap liquid box 24 is reduced proportionally, ensuring that the ratio between the incoming water and the soap liquid is controlled within a reasonable range, thus ensuring the foaming effect.

In this embodiment, the water inlet pipe 21 is equipped with a pressure stabilizing valve 25 at the front end of the venturi pipe 22 . By setting the pressure stabilizing valve 25, the inlet water pressure can be balanced to stabilize the water pressure. At the same time, the pressure stabilizing valve 25 can also be replaced by a flow limiter that can stably limit the water pressure. In this embodiment, the water inlet pipe 21 is equipped with a water flow sensing switch 26 between the pressure stabilizing valve 25 and the venturi tube 22 , and the water flow sensing switch 26 is electrically connected to the water pump 23 . When the water flow sensor switch 26 senses the water flow, it transmits a signal to the water pump 23 and controls it to open, thereby realizing the function of the water pump 23 automatically opening when the water inlet is turned on.

In this embodiment, the air intake pipeline 3 includes an air intake pipe 31 and an air pump 32 and a first one-way valve 33 installed on the air intake pipe 31 and arranged in sequence along the air intake direction. The air pump 32 is electrically connected to the water flow sensor switch 26 . When the water flow sensing switch 26 senses the water flow, it transmits a signal to the air pump 32 and controls it to open, thereby realizing the function of the air pump 32 automatically opening when the water inlet is turned on.

In other embodiments, a control switch for controlling the opening and closing of the air pump is also included. The water inlet pipe 31 has a vertical water passing angle, and a mounting hole is provided at the water passing angle position. A plug is installed in the mounting hole. The plug is A swing plate is hinged on the head, and the swing plate is connected to the control switch. The swing plate swings under the impact of the water flow in the water inlet pipe 31, thereby triggering the control switch.

In this embodiment, a filter 27 is installed on the pipeline between the soap box 24 and the second liquid inlet 222 . By providing the filter 27, the soap liquid can be filtered to prevent impurities from being sucked into the venturi tube 22 and causing blockage.

In this embodiment, in order to make the structure of the entire device more compact and to make the installation more convenient, it also includes a shell 5, in which the bubbling device 1, the liquid inlet pipeline 2, the air inlet pipeline 3 and the bubble outlet pipeline 4 are respectively integrated and installed. Inside body 5.

In this embodiment, a filter cavity 28 is provided at the front end of the water inlet pipe 21. A filter element 29 is installed in the filter cavity 28. An opening is provided at the bottom of the filter cavity 28 for the filter element 29 to be installed. A screw cap is removably installed at the opening to seal it. 210. The bottom of the housing 5 is provided with a through hole 50 for the screw cap 210 to pass through.

In this embodiment, in order to more conveniently supply power to various components, a battery 51 fixed inside the housing 5 and used to power the device is also included.

In this embodiment, in order to facilitate liquid level observation, the soap box 24 is provided with a transparent window 240, and the housing 5 is provided with an observation window 52 at a position corresponding to the transparent window 240.

The working principle of this embodiment is: after the incoming water is filtered by the filter core 29, it enters from the water inlet pipe 21, is stabilized by the pressure stabilizing valve 25, and then passes through the water flow sensor switch 26. The water flow sensor switch 26 transmits the water inlet signal to the water pump 23 and the air pump. 32. The water pump 23 and the air pump 32 are started at the same time. Under the joint action of the venturi tube 22 and the water pump 23, water and soap liquid are pumped into the foaming device 1. Under the action of the air pump 32, air is pumped into the foaming device. 1, a large amount of foam is generated under the action of the foaming device 1, and the foam finally flows out from the foaming pipe 4.

Please refer to FIGS. 4 to 6 , which shows a foam generating device according to the second embodiment of the present invention. The main difference from the first embodiment is the addition of a switching unit 6 . In this embodiment, the switching unit 6 has a water inlet channel 61, a first water outlet channel and a second water outlet channel. The switching unit includes a switching member, and the switching member controls the water inlet channel 61 and the third water outlet channel. A water outlet channel and the second water outlet channel are switched and connected; wherein, the first water outlet channel is connected to a water outlet pipe 62 , the second water outlet channel is connected to the water inlet pipe 21 , and the housing 5 A switch 610 is provided on the front side for switching the driving switching member.

This embodiment also includes a three-way valve 7 and a joint 8 for connecting a shower or water gun. The three valve ports of the three-way valve 7 are respectively connected to the water outlet pipe 62, the bubble pipe 4 and the joint 8. A temperature sensing device 9 is provided at the connection between the joint 8 and the three-way valve 7 .

The remaining undescribed structure and assembly process of this embodiment are the same as those of the first embodiment, and will not be described again here.

The working principle of this embodiment is: when it is necessary to realize the foaming function, the incoming water enters the water inlet pipe from the switching unit 6. The specific foaming principle is the same as that of the first embodiment, and finally the foam flows out from the joint 8 to the shower or water gun; when it is necessary When realizing the direct water discharge function, the switching unit 6 is switched manually or through the switch 610. The incoming water flows directly from the switching unit 6 through the water outlet pipe 62 to the three-way valve 7, and finally flows out from the joint 8 to the shower or water gun. In this embodiment, by arranging the switching unit 6, it is possible to switch between foam discharge and water discharge, which can meet the requirements of showering or car washing.

Referring to Figures 7 to 9, a foam generating device according to the third embodiment of the present invention is mainly different from the second embodiment in that it also includes an adjusting member 10 movably disposed in the second water outlet channel. The adjusting member 10 is used to adjust the flow rate of the second water outlet channel.

In this embodiment, the switching unit 6 further includes an adjustment channel 63 that is vertically connected to the second water outlet channel. The adjustment member 10 is movably disposed in the adjustment channel 63. The adjustment member 10 is connected to the adjustment channel 63. Adjustment channel 63 threaded fit.

In this embodiment, the adjusting member 10 includes a tapered surface located in the second water outlet channel.

The remaining undescribed structures and assembly processes of this embodiment are the same as those of the second embodiment and will not be described again here.

Please refer to Figures 10 to 13. The fourth embodiment of the present invention is a foam generating device. The main difference from the first embodiment is that it also includes a mounting base 11. The mounting base 11 has a storage platform and is located on the storage platform. There are a first accommodation cavity 110 and a second accommodation cavity 120 at the bottom of the platform. The front end of the mounting base 11 is provided with an installation opening that passes through the first accommodation cavity 110 and a yielding opening that passes through the second accommodation cavity 120. The soap box 24 is detachably assembled in the first accommodation cavity 110. The liquid inlet pipeline, the air inlet pipeline 3 and the bubble outlet pipeline 4 are respectively integrated and installed in the second accommodation cavity 120. When in use, the mounting base 11 It can be fixedly mounted on the wall, and the storage platform on it can be used to place items, such as mobile phones, etc. At the same time, it is convenient to replace the soap box 24 and operate each pipeline.

Unless otherwise defined, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention relates. The terminology used herein is for the purpose of describing specific implementations only and is not intended to limit the invention. Terms such as "component" used in this article may refer to either a single part or a combination of parts. Terms such as "mounted" and "set up" used herein may mean that one component is directly attached to another component or that one component is attached to another component through intermediaries. Features described herein in one embodiment may be applied to another embodiment, alone or in combination with other features, unless the feature is inapplicable in that other embodiment or otherwise stated.

The above description shows and describes the preferred embodiments of the present invention. As mentioned above, it should be understood that the present invention is not limited to the form disclosed herein and should not be regarded as excluding other embodiments, but can be used in various other combinations. Modifications and environments, and can be modified through the above teachings or technology or knowledge in related fields within the scope of the invention concept herein. Any modifications and changes made by those skilled in the art that do not depart from the spirit and scope of the present invention shall be within the protection scope of the appended claims of the present invention.

Claims

A foam generating device, characterized by: comprising a foaming device and a liquid inlet pipeline, an air inlet pipeline and a bubble outlet pipeline respectively connected to the foaming device. The liquid inlet pipeline includes a water inlet pipe, a venturi inner tube, water pump and soap box, the venturi tube is provided with a first liquid inlet, a second liquid inlet and a liquid outlet, the first liquid inlet is connected to the water inlet pipe, the The second liquid inlet is connected to the soap box, the water inlet side of the water pump is connected to the liquid outlet, and the water outlet side of the water pump is connected to the foaming device.
A foam generating device as claimed in claim 1, further comprising: a switching unit, said switching unit having a water inlet channel, a first water outlet channel and a second water outlet channel, said switching unit including a switching member, through which The switching member controls the water inlet channel to switch and communicate with the first water outlet channel and the second water outlet channel; wherein, the first water outlet channel is connected to a water outlet pipe, and the second water outlet channel is connected to a water outlet pipe. The water inlet pipes are connected.
The foam generating device according to claim 2, further comprising an adjusting member movably disposed in the second water outlet channel, and the adjusting member is used to adjust the flow rate of the second water outlet channel.
A foam generating device according to claim 3, characterized in that: the switching unit further includes an adjustment channel that is vertically connected to the second water outlet channel, and the adjustment member is movably arranged in the adjustment channel, The adjusting piece is threadedly matched with the adjusting channel.
A foam generating device as claimed in claim 3, characterized in that the adjusting member includes a tapered surface located in the second water outlet channel.
A foam generating device as claimed in claim 2, characterized in that: it further includes a three-way valve and a joint for connecting a shower head or a water gun, and the three valve ports of the three-way valve are connected to the water outlet pipe and the water gun respectively. The bubble-making pipeline is connected to a joint, and a temperature sensing device is provided at the connection between the joint and the three-way valve.
A foam generating device according to claim 1, characterized in that: the water inlet pipe is equipped with a pressure stabilizing valve or a flow limiter at the front end of the venturi tube, and the water inlet pipe is between the pressure stabilizing valve and the flow restrictor. A water flow sensing switch is installed between the venturi tubes, and the water flow sensing switch is electrically connected to the water pump.
A foam generating device according to claim 6, characterized in that: the air inlet pipeline includes an air inlet pipe, an air pump and a first one-way valve installed on the air inlet pipe and arranged sequentially along the air inlet direction. .
A foam generating device according to claim 8, characterized in that: the air pump is electrically connected to the water flow sensing switch.
A foam generating device as claimed in claim 8, further comprising: a control switch for controlling the opening and closing of the air pump, the water inlet pipe has a vertical water passing corner, and an installation hole is provided at the water passing corner position. A plug is installed in the installation hole, and a swing plate is hinged on the plug. The swing plate is connected to the control switch. The swing plate swings under the impact of the water flow in the water inlet pipe, thereby triggering the control switch.
A foam generating device as claimed in claim 1, characterized in that a filter is installed on the pipeline between the soap box and the second liquid inlet.
A foam generating device according to any one of claims 1 to 11, characterized in that: it also includes a shell, and the foaming device, liquid inlet pipeline, air inlet pipeline and bubble outlet pipeline are respectively integrated installed inside the housing.
A foam generating device according to claim 12, characterized in that: a filter cavity is provided at the front end of the water inlet pipe, a filter element is installed in the filter cavity, and a filter element is installed at the bottom of the filter cavity. There is an opening, a screw cap is removably and sealedly installed at the opening, and a through hole is provided at the bottom of the housing for the screw cap to pass through.
A foam generating device as claimed in claim 12, further comprising a battery fixed inside the housing and used to power the device.
A foam generating device according to claim 12, characterized in that: the soap box is provided with a transparent window, and the housing is provided with an observation window at a position corresponding to the transparent window.
The foam generating device according to any one of claims 1 to 11, further comprising: a mounting base having a storage platform and a first accommodation cavity and a second accommodation cavity located at the bottom of the storage platform. cavity, the front end of the mounting base is provided with an installation opening that passes through the first receiving chamber and a giving opening that passes through the second receiving chamber, the soap box is removably assembled in the first receiving chamber, and the liquid inlet pipe pipeline, air inlet pipeline and bubble generation pipeline are respectively integrated and installed in the second accommodation cavity.