TWM613147U - Foam spray can - Google Patents

Abstract

A foam spray can comprises a motor pump, a foaming tube and a nozzle. The motor pump can be used to suck air and solution and pump out the liquid-gas mixture. One end of the foaming tube is connected to the motor pump for transmitting the liquid-gas mixture pumped by the motor pump and fully mixing the air with the solution to produce foam. The nozzle is connected to the other end of the foaming tube to spray foam. The length of the foaming tube is between 10 to 500 cm, the tube inner diameter is between 0.8 to 20 mm, and the pressure of the liquid-gas mixture in the tube is between 8 to 32 PSI, thereby to provide sufficient time, space and conditions for the mixing of the air and the solution in the foaming tube to fully mix the air and the solution, and then to spray abundant foam from the nozzle.

Description

Foam watering can

The present invention relates to a foam spray can, in particular to a foam spray can that can produce a large amount of foam.

Watering can is a common and practical spraying appliance. Because of its small size, small footprint, easy portability and hand-held operation, it is widely used in different places such as homes, units, schools and so on. Watering cans are often used in air humidification, spraying water for plant watering, and spraying disinfectant and cleaning fluids in the cleaning and cleaning of objects. When cleaning and washing objects, the liquid sprayed by the spray can contains a certain detergent or disinfectant, and the liquid will produce a certain amount of foam. At this time, the spray can is used as a foam spray can.

In the cleaning and cleaning of objects, such as car cleaning, glass cleaning, etc., the liquid sprayed by the foam spray can is required to have relatively rich foam and easy to use and operate. Existing foam spray cans are usually filled with dense sponge in the nozzle part, and the pores on the sponge are used to make the liquid mix with water and air when passing through the sponge to produce abundant foam. After a long time of use, the sponge will absorb impurities in the liquid and block some of the pores in the sponge. In addition, in order to generate a large amount of foam, it is necessary to pack a denser sponge in the nozzle. However, to make the liquid pass through the dense sponge, the water injection pressure needs to be increased, that is, the pressure in the foam spray can needs to be increased. A common design will increase the pressure in the foam spray can by injecting high-pressure air into the foam spray can, but this will bring a certain degree of safety to its use. Fully hidden dangers and inconvenient to use.

Furthermore, although the existing foam spray can has a way of injecting gas into the pot to obtain abundant foam, it requires the use of a large amount of detergent and is not environmentally friendly in use.

Therefore, the main purpose of the present invention is to provide a foam spray can that does not require high-pressure gas injection and can produce rich foam with less detergent, so as to solve the above-mentioned problems.

The purpose of the present invention is to provide a foam spray can, which can achieve full mixing of air and solution in the pipeline without high-pressure air injection, so as to produce abundant foam.

In order to achieve at least one of the above advantages or other advantages, an embodiment of the present invention proposes a foam spray can, which includes: a motor pump that sucks in air and solution and pumps out the liquid-gas mixture; a foaming tube with one end It is connected to the motor pump to transfer the liquid-gas mixture pumped by the motor pump and fully mix the air with the solution to produce foam. The length of the foaming tube is between 10cm and 500cm, The inner diameter of the tube is between 0.8mm and 20mm, and the pressure of the liquid-gas mixture in the foaming tube is between 8 and 32 PSI; and a nozzle is connected to the other end of the foaming tube for spraying foam.

In some embodiments, the ratio of the air to the solution in the liquid-gas mixture is between 1:1 and 10:1.

In some embodiments, the foam spray can further includes a first pipe for inputting air into the motor pump; and a second pipe for inputting solution into the motor pump.

In some embodiments, the foam spray can further includes a pot body and a lid body, wherein the pot body is used to contain the solution, and the lid body is used to contain the motor pump, the foam tube, and the first pipe. With that second pipeline.

In some embodiments, one end of the second pipe is connected to the motor pump, and the other end extends into the kettle body to extract the solution.

In some embodiments, the solution includes water and detergent.

In some embodiments, the ratio of water to detergent in the solution is between 1000:1 and 1:1.

In some embodiments, the foam spray can further includes a regulating valve connected between the first pipe and the motor pump for adjusting the amount of air injected into the motor pump by the first pipe.

In some embodiments, the foam spray can further includes a one-way valve arranged between the first pipe and the motor pump to prevent the solution from flowing out when the foam spray can is poured.

In some embodiments, the foam tube is arranged inside the casing of the cover in a circling manner.

In some embodiments, the cover further includes an upper cover and a lower cover, the lower cover has a hollow cavity, and the cavity has a socket for accommodating the motor pump.

In some embodiments, the cover has a handle, and a battery inside the handle is used to provide power for the motor pump.

In some embodiments, the cover has a touch switch located on the upper side of the handle for controlling the switch of the motor pump.

Therefore, by using the foam spray can provided by the present invention, the air and the solution sucked by the motor pump are fully mixed through the foaming tube and then a rich foam is sprayed through a nozzle without high-pressure air injection. At the same time, the foam spray can has a simple structure. Convenient to carry and use.

The above description is only an overview of the new technical solution, in order to make it clearer To understand the technical means of this creation, it can be implemented in accordance with the content of the specification. In order to make the above and other purposes, features and advantages of this creation more obvious and understandable, the following is a special example of the preferred embodiments, combined with the accompanying drawings , The detailed description is as follows.

1: Handheld foam spray can

10: Motor pump

11: Check valve

12: Foam tube

14: Nozzle

16: The first pipeline

17: Tee connector

18: The second pipeline

180: filter

19: Regulating valve

20: kettle body

22: The third pipeline

24: The fourth pipeline

30: Lid

32: Upper cover

34: lower cover

36: Socket

360: connector

38: handle

380: battery

40: knob

50: Waterproof plug

60: Touch switch

The included drawings are used to provide a further understanding of the embodiments of the present application, which constitute a part of the specification, are used to exemplify the embodiments of the present application, and together with the text description, explain the principle of the present application. Obviously, the diagrams in the following description are only some examples of the application, and are not used to limit the implementation of the application to these. For those with ordinary knowledge in the field, they can of course be derived from these diagrams. Other schemas. The schema includes:

[Figure 1] is the overall view of one of the new handheld foam spray cans.

[Figure 2] is an exploded view of the handheld foam spray can shown in Figure 1.

[Figure 3] is a three-dimensional schematic diagram of the motor pump and pipeline in the hand-held foam spray can shown in Figure 2.

[Figure 4] is a top view of the motor pump and pipeline shown in Figure 3.

The specific structure and functional details disclosed herein are only representative, and are used for the purpose of describing exemplary embodiments of the present invention. However, the present invention can be implemented in many alternative forms, and should not be construed as being limited only to the embodiments set forth herein.

In the description of the present invention, it should be understood that the terms "center", "horizontal", "upper", "lower", "left", "right", "vertical", "horizontal", "top", " The orientation or positional relationship indicated by "bottom", "inner", "outer", etc. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the new model and simplifying the description, rather than indicating or implying that The device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present invention, unless otherwise specified, "plurality" means two or more. In addition, the term "including" and any variations thereof all mean "including at least".

In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. It can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal connection of two components. For those with ordinary knowledge in the field, the specific meaning of the above-mentioned terms in the present invention can be understood under specific circumstances.

The terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments. Unless the context clearly dictates otherwise, the singular forms "a" and "one" used herein are also intended to include the plural. It should also be understood that the terms "including" and/or "comprising" used herein specify the existence of the stated features, integers, steps, operations, units and/or components, and do not exclude the existence or addition of one or more Other features, integers, steps, operations, units, components, and/or combinations thereof.

For ease of understanding, the illustration of the specific embodiment of the foam spray can in this case takes the handheld foam spray can 1 as an example for explanation. Please refer to Figure 1 and Figure 2. Figure 1 is an overall view of a hand-held foam spray can of this invention, and Figure 2 is an exploded view of the hand-held foam spray can shown in Figure 1. For Dasuo With at least one of the above advantages or other advantages, an embodiment of the present invention provides a handheld foam spray can 1 including a motor pump 10, a foaming tube 12 and a nozzle 14. The motor pump 10 can be used to suck in air and solution, and pump out the liquid-gas mixture. One end of the foaming tube 12 is connected to the motor pump 10 for transmitting the liquid-gas mixture pumped by the motor pump 10 and fully mixing the air and the solution to generate foam. The other end of the foaming tube 12 is connected to a nozzle 14 through which foam is sprayed. The length of the foam tube 12 is between 10 cm and 500 cm, the inner diameter of the tube is between 0.8 mm and 20 mm, and the pressure of the liquid-gas mixture in the foam tube is between 8 and 32 PSI. This arrangement provides sufficient time, space and conditions for the mixing of the air and the solution in the foaming tube 12 to fully mix, and then the nozzle 14 sprays abundant foam.

In a specific embodiment, the ratio of the air to the solution in the liquid-gas mixture is between 1:1 and 10:1. The hand-held foam spray can 1 can be used for common cleaning occasions, such as car cleaning, glass cleaning, etc., between the gas-liquid mixing ratio, the mixing uniformity, fluidity, and foaming ratio of the liquid-gas mixture are in use. The better state required can produce rich foam with a certain degree of fineness, thereby ensuring the cleaning or cleaning effect for different needs.

Refer to FIG. 3 in conjunction with FIG. 2. FIG. 3 is a schematic diagram of the motor pump and pipeline in the hand-held foam spray can shown in FIG. In the embodiment shown in the figure, the handheld foam spray can 1 may further include a first pipe 16 for inputting air into the motor pump 10; and a second pipe 18 for inputting solution into the motor pump 10 Pu 10. By inputting air and solution to the motor pump 10 through the first pipe 16 and the second pipe 18 respectively, the air injection amount and the solution input amount and speed can be effectively controlled, which helps to further accurately control the liquid-gas mixture. Gas-liquid mixing ratio.

In one embodiment, the handheld foam spray can 1 may further include a regulating valve 19 connected between the first pipe 16 and the motor pump 10 for regulating the injection of the first pipe 16 The amount of air entering the motor pump 10. In other words, the amount of air injected from the first pipe 16 to the motor pump 10 is regulated by the regulating valve 19 to further regulate the gas-liquid mixing ratio of the liquid-gas mixture, thereby regulating the handheld foam spray can 1 The quality of the foam sprayed by the nozzle 14.

In one embodiment, further, the hand-held foam spray can 1 may further include a one-way valve 11, which is arranged between the first pipe 16 and the motor pump 10 to prevent the hand-held foam spray can 1 from falling over. The solution flows out of the first pipe 16 countercurrently.

In another embodiment, further, the hand-held foam spray can 1 may further include a filter (not shown in the figure), which is arranged between the first pipe 16 and the motor pump 10 for the A pipe 16 injects the air into the motor pump 10 for filtering. The filter screen can prevent impurities carried in the air from entering the foaming tube 12 to block the foaming tube 12, thereby affecting the mixing effect or foaming effect of the liquid-gas mixture in the foaming tube 12.

As shown in FIG. 1 and FIG. 2, the hand-held foam spray can 1 may include a pot body 20 and a cover body 30. The pot body 20 is used for containing the solution, and the cover body 30 is used for containing the motor pump 10, the foam tube 12, the first pipe 16 and the second pipe 18. The kettle body 20 and the lid body 30 are connected and fixed in a screw threading manner, but it is not limited to this, and can also be connected in a snap-locking manner, and the two can be connected, fixed and sealed.

One end of the second pipe 18 is connected to the motor pump 10, and the other end extends into the kettle body 20 to extract the solution. The solution includes water and detergent. The ratio of water to detergent in the solution is between 1000:1 and 1:1. The capacity of the body 20 of the hand-held foam spray can 1 is 1 to 2.5 liters (1000 to 2500 milliliters). For example, when the water in the solution is 1000 milliliters, only 5 milliliters of detergent and water are needed to mix with the water through the foaming tube 12 to spray rich foam from the nozzle 14. Compared with the existing foam spray can, it can save the usage of detergent and achieve better foaming effect. Please refer again As shown in FIG. 2, one end of the second pipe 18 extending into the kettle body 20 is connected to a filter 180 at its end to filter the solution in the kettle body 20. In this way, when different types of solutions or detergents are mixed in the pot body 20, the foaming effect of the liquid-gas mixture in the foaming tube 12 can be further improved, such as the amount of foaming and the denseness of the foam. Wait. Depending on the type of the solution, different filters 180 can be used. In the example of FIG. 2, the filter 180 is a filter screen.

Referring to Figures 2, 3 and 4, in the illustrated implementation mode, the regulating valve 19 is located on one side of the motor pump 10 and is connected to the first pipe 16 (input air) located above the motor pump 10 . A knob 40 is provided above the shell of the cover 30 to control the regulating valve 19. The regulating valve 19 and the knob 40 can be connected in a screw-threaded manner. The one-way valve 11 is arranged between the first pipe 16 and the motor pump 10 and at one end of the first pipe 16 close to the regulating valve 19. The second pipe 18 and the regulating valve 19 are located on the same side of the motor pump 10, and the solution is drawn from the kettle body 20 and input into the motor pump 10. After the air input from the first pipe 16 and the solution input from the second pipe 18 are mixed through a three-way joint 17, the liquid-gas mixture is input into the motor pump 10 through a third pipe 22. The motor pump 10 is connected to the foaming tube 12 through a fourth pipe 24, and the liquid-gas mixture is pumped into the foaming tube 12 (shown by the arrow in FIG. 3) for mixing and foaming, and then the nozzle 14 Squirting bubbles. The foam tube 12 is arranged inside the casing of the cover 30 in a spiral manner. When using different detergents, adjusting the air intake can change or adjust the foam density. The more air, the denser the foam, the longer the cleaning surface will be, the better the cleaning power, and the less the relative cleaning agent will be used.

In one embodiment, the pipes are located above the motor pump 10, and the foam tube 12 can be arranged above the motor pump 10 in a manner of circling the pipes, and then set on the cover 30 Inside the shell. The foaming tube 12 has a certain degree of flexibility to facilitate coiling, and avoid bending and affecting the transport of the liquid-gas mixture by coiling, or even reduce foaming Mixing effect and foaming effect in tube 12. The foam tube 12 is arranged in this way to save its storage space and make full use of the space in the cover 30.

As shown in the figure, the cover 30 may further include an upper cover 32 and a lower cover 34, and the upper cover 32 and the lower cover 34 can be connected in a snap-locking manner. The lower cover 34 has a hollow cavity, and the cavity has a socket 36 for accommodating the motor pump 10. The motor pump 10, the regulating valve 19 and the pipes can be installed in the receiving seat 36. Thereby, the components are arranged in the hollow cavity of the lower cover 34 in a compact and orderly manner, so as to make full use of the space of the cover 30. The socket 36 and the nozzle 14 are connected by a connecting piece 360. In the figure, the socket 36 and the nozzle can be screwed together and fixed. One end of the foaming tube 12 passes through the connecting member 360 and communicates with the nozzle 14.

The cover 30 has a handle 38 through which a user can hold the handheld foam spray can 1. The handle 38 can be provided with stripes to increase friction and prevent the user from slipping when using the hand-held foam spray can 1. There is a battery 380 inside the handle 38 to provide power for the motor pump 10. The battery 380 is electrically connected to the motor pump 10. In the example shown in the figure, the battery 380 is connected to the motor pump 10 via a wire. The battery 380 may be a common disposable battery, such as a AAA battery, a AA battery, and so on. The battery 380 can also be a rechargeable battery, and a charging hole is provided on the cover 30 to charge the battery 380. In the example of FIG. 1, the charging hole in the upper cover 32 is covered by a waterproof plug 50, and the charging hole is waterproof protected when charging is not required. When the battery 380 needs to be charged, the waterproof plug 50 can be pulled out. One end of the waterproof plug 50 can be fixed on the cover 30 to prevent loss. But it is not limited to this. The waterproof plug 50 can also be provided separately from the cover 30.

In a specific embodiment, the cover 30 has a touch switch 60 located on the upper side of the handle 38 for controlling the switch of the motor pump 10. Furthermore, the touch switch 60 is located on one side of the upper cover 32, and the knob 40 is located on the other side of the upper cover 32.

Therefore, by using the foam spray can provided by the present invention, the air and the solution sucked by the motor pump are fully mixed through the foaming tube, and rich foam is sprayed through a nozzle without high-pressure air injection. In particular, compared with the conventional foam spray can, the new type only needs to use nearly one-tenth of the cleaning agent to produce the same large amount of foam. The more air, the denser the foam, the longer the cleaning surface will be, the better the cleaning power, and the less the relative cleaning agent will be used. At the same time, the handheld foam spray can provided by the present invention has a simpler and more compact structure, and is convenient to carry and use.

Based on the above detailed description of the preferred embodiments, it is hoped that the characteristics and spirit of the present invention can be described more clearly, and the scope of the present invention is not limited by the preferred embodiments disclosed above. On the contrary, its purpose is to cover various changes and equivalent arrangements within the scope of the patent for which this new model is intended.

1: Handheld foam spray can

10: Motor pump

12: Foam tube

14: Nozzle

16: The first pipeline

18: The second pipeline

180: filter

19: Regulating valve

20: kettle body

32: Upper cover

34: lower cover

36: Socket

360: connector

38: handle

380: battery

40: knob

50: Waterproof plug

Claims (13)

A foam spray can, including: A motor pump sucks in air and solution and pumps out the liquid-gas mixture; A foaming tube, one end of which is connected to the motor pump, is used to transmit the liquid-gas mixture pumped by the motor pump and fully mix the air and the solution to produce foam. The length of the foaming tube is between Between 10cm and 500cm, the inner diameter of the tube is between 0.8mm and 20mm, and the pressure of the liquid-gas mixture in the foaming tube is between 8 and 32 PSI; and A nozzle is connected to the other end of the foam tube for spraying foam. Such as the foam spray can of claim 1, wherein the ratio of the air to the solution in the liquid-gas mixture is between 1:1 and 10:1. For example, the foam spray can of claim 1 further includes a first pipe for inputting air into the motor pump; and a second pipe for inputting solution into the motor pump. For example, the foam spray can of claim 3, further comprising a pot body and a lid body, wherein the pot body is used for containing the solution, and the lid body is used for containing the motor pump, the foaming tube, the first pipe and the The second pipeline. Such as the foam sprayer of claim 4, wherein one end of the second pipe is connected to the motor pump, and the other end extends into the kettle body to extract the solution. Such as the foam spray can of claim 5, wherein the solution includes water and detergent. Such as the foam spray can of claim 6, wherein the ratio of water to detergent in the solution is between 1000:1 and 1:1. For example, the foam spray can of claim 3 further includes a regulating valve connected between the first pipe and the motor pump for adjusting the amount of air injected into the motor pump by the first pipe. For example, the foam spray can of claim 3 further includes a one-way valve arranged between the first pipe and the motor pump. For example, the foam spray can of claim 4, wherein the foam tube is arranged inside the casing of the cover in a circling manner. For example, the foam spray can of claim 4, wherein the cover further includes an upper cover and a lower cover, the lower cover has a hollow cavity, and the cavity has a socket for accommodating the motor pump. For example, the foam spray can of claim 11, wherein the cover has a handle, and a battery is provided inside the handle to provide power for the motor pump. For example, the foam spray can of claim 12, wherein the cover has a touch switch located on the upper side of the handle for controlling the switch of the motor pump.

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