High pressure foam lance

Abstract

The present disclosure relates to the field of water guns, in particular to a high-pressure foam water gun. The high-pressure foam water gun comprises a shell, a water inlet socket located at the rear side of the shell, a total water inlet pipe located in the shell and connected with the water inlet socket, a total water path on-off valve connected with the inner side end of the total water inlet pipe, a control handle located below the shell and capable of switching the total water path on-off valve on and off, a terminal integrated valve group, a foam supply assembly arranged on the terminal integrated valve group, and a high-pressure water jet pipe; the foam supply assembly and the high-pressure water jet pipe are respectively connected with or disconnected from the total water path on-off valve through the on-off switching function of the terminal integrated valve group. The high-pressure foam water gun can spray cleaning agent foam and high-pressure water for cleaning, and the inconvenience caused by tool replacement is eliminated.

Description

[Technical Field] The embodiments of this disclosure generally relate to the field of water guns, and particularly to high-pressure foam water guns. [Background Technology] Conventional high-pressure cleaning equipment includes a high-pressure water pump, a foam sprayer, and a high-pressure water gun. The foam sprayer sprays the cleaning agent into a foam form onto the surface of the object to be cleaned. After the cleaning agent has made full contact with the surface, the foam is rinsed off with the high-pressure water gun, completing the cleaning operation. A typical foam sprayer is a separate tool, and its large size can cause hand discomfort during prolonged use. In actual cleaning operations, constantly switching between the foam sprayer and the high-pressure water gun is extremely inconvenient for the operator. [Utility Model Content] In order to solve at least some of the above-mentioned technical problems and potential other problems in the prior art, this disclosure provides a high-pressure foam water gun.

[0004] A high-pressure foam water gun according to this disclosure includes a housing, a water inlet located at the rear of the housing, a main water inlet pipe located inside the housing and connected to the water inlet, and a main on / off valve connected to the inner end of the main water inlet pipe, and a control lever located below the housing and capable of switching the main on / off valve open and close. The gun is characterized by further comprising: an end integrated valve assembly arranged at the front end of the housing and connected to the main on / off valve, a foam supply assembly arranged on the end integrated valve assembly, and a high-pressure water jet pipe; the foam supply assembly and the high-pressure water jet pipe are respectively connected to or disconnected from the main on / off valve through the on / off switching function of the end integrated valve assembly; the foam supply assembly includes: a Venturi effect tube body, an air intake regulating valve located on one side of the Venturi effect tube body, a raw liquid bottle interface located on the other side of the Venturi effect tube body, a raw liquid bottle that is quickly and detachably connected to the raw liquid bottle interface, and a foam jet pipe body located at the end of the Venturi effect tube body. This disclosure integrates the foam supply component and the high-pressure water jet pipe into the end integrated valve group, which can spray both cleaning agent foam and high-pressure water for cleaning, eliminating the inconvenience caused by changing tools. At the same time, the concentrate bottle in this disclosure can be quickly installed and removed from the concentrate bottle interface, thereby reducing the volume of the concentrate bottle. Foam spraying operations can be carried out by quickly changing the concentrate bottle multiple times, reducing the weight of the handheld gun.

[0005] In some embodiments, the end-unit integrated valve assembly includes a first valve body and a first valve core that is reciprocally sliding within the first valve body; a plane is defined by the axis of the foam spray pipe and the axis of the high-pressure water spray pipe, and the axis of the first valve core lies in this plane. In this way, the reciprocating motion of the first valve core can be quickly switched, enabling rapid and convenient switching control of the water gun to spray high-pressure water and cleaning agent foam.

[0006] In some embodiments, the first valve body is provided with an inlet, a first outlet, a second outlet, and a first valve core hole; the inlet is connected to the first outlet and the second outlet through the first valve core hole; a jet pipe interface is provided at the end of the first outlet, and a foam tube interface is provided at the end of the second outlet; the high-pressure water jet pipe is connected to the jet pipe interface, and the Venturi effect tube is connected to the second outlet; a water passage section is provided in the middle of the first valve core, and the two ends of the water passage section are sealed to the first valve core hole through sealing rings.

[0007] In some embodiments, a first pressing head is provided at one end of the first valve core and a second pressing head is provided at the other end. By pressing the first pressing head or the second pressing head, the position of the water passage section in the first valve core hole is changed, thereby connecting the water inlet with the second water outlet or the first water outlet.

[0008] In some embodiments, the end-integrated valve assembly includes a second valve body and a second valve core rotatable within the second valve body; a plane is defined by the axis of the foam spray pipe and the axis of the high-pressure water spray pipe, and the axis of the second valve core is perpendicular to this plane. In this manner, an end-integrated valve assembly structure is provided, enabling quick and convenient switching control between spraying high-pressure water and spraying cleaning agent foam using a knob.

[0009] In some embodiments, the second valve body is provided with an inlet, a first outlet, a second outlet, and a second valve core hole; the inlet communicates with the first outlet and the second outlet through the second valve core hole; a jet pipe interface is provided at the end of the first outlet, and a foam tube interface is provided at the end of the second outlet; a high-pressure water jet pipe is connected to the jet pipe interface, and a Venturi effect tube is connected to the second outlet; a switching knob is provided at the upper part of the second valve core, and a sealing valve body is provided at the lower part, with both ends of the sealing valve body sealed to the second valve core hole through sealing rings.

[0010] In some embodiments, the sealing valve body is provided with a first valve body hole and a second valve body hole that are vertically connected. By rotating the switching knob, the first valve body hole is connected to the water inlet and the second valve body hole is connected to the first water outlet, or the second valve body hole is connected to the water inlet and the first valve body hole is connected to the second water outlet.

[0011] It should be understood that the present invention is not intended to identify key or essential features of the embodiments disclosed herein, nor is it intended to limit the scope of the disclosure. Other features of the disclosure will become readily apparent from the following description. [Attached Image Description] The above and other objects, features, and advantages of embodiments of the present disclosure will become readily apparent from the following detailed description taken in conjunction with the accompanying drawings. Several embodiments of the present disclosure are illustrated in the drawings by way of example and not limitation.

[0013] Figure 1 A front view of a high-pressure foam water gun according to an illustrative embodiment of the present disclosure is shown; Figure 2 A top view of a high-pressure foam water gun according to an illustrative embodiment of the present disclosure is shown; Figure 3 A left view of a high-pressure foam water gun according to an illustrative embodiment of the present disclosure is shown; Figure 4 It shows Figure 3 Sectional view of AA; Figure 5 A front view of a high-pressure foam water gun according to another illustrative embodiment of the present disclosure is shown; Figure 6 It shows Figure 5 BB section view; Figure 7 A left view of a high-pressure foam water gun according to an illustrative embodiment of the present disclosure is shown; Figure 8 It shows Figure 7 CC section view; In the diagram: 1-Housing, 101-First outer shell, 102-Second outer shell, 2-Control lever, 3-Inlet regulating valve, 4-Venturi effect tube, 5-Solid solution bottle interface, 6-Solid solution bottle, 7-Water inlet, 8-End integrated valve assembly, 801-First valve body, 802-First valve core, 803-First pressing head, 804-Second pressing head, 805-Water passage section, 806-Water inlet, 807-First... 808 - Second outlet, 809 - Foam pipe interface, 810 - Jet pipe interface, 811 - Pipe connector, 801a - Second valve body, 802a - Second valve core, 803a - Switching knob, 804a - Plug, 805a - First valve body hole, 812a - Second valve body hole, 9 - High-pressure water jet pipe, 10 - Foam jet pipe body, 11 - On / off valve connector, 12 - Main on / off valve.

[0014] In the various figures, the same or corresponding reference numerals indicate the same or corresponding parts.

Detailed Implementation Methods

[0016] The term "comprising" and its variations as used herein signify an open-ended inclusion, i.e., "including but not limited to". Unless otherwise stated, the term "or" means "and / or". The term "based on" means "at least partially based on". The terms "one example embodiment" and "one embodiment" mean "at least one example embodiment". The term "another embodiment" means "at least one additional embodiment". Terms such as "upper", "lower", "front", and "rear", indicating placement or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are used only for the purpose of describing the principles of this disclosure, and are not intended to indicate or imply that the elements referred to must have a specific orientation, be constructed or operated in a specific orientation, and therefore should not be construed as limiting this disclosure.

[0017] Some exemplary embodiments of this disclosure will be described in detail below with reference to the accompanying drawings.

[0018] See Figures 1-4 According to some illustrative embodiments of the present disclosure, a high-pressure foam water gun includes a housing 1, a water inlet 7 located on the rear side of the housing 1, a main water inlet pipe located inside the housing and connected to the water inlet 7, and a main on / off valve 12 connected to the inner end of the main water inlet pipe, and a control lever 2 located below the housing and capable of switching the opening and closing of the main on / off valve 12; it also includes an end integrated valve group 8 arranged at the front end of the housing 1 and connected to the main on / off valve 12, a foam supply assembly and a high-pressure water jet pipe 9 arranged on the end integrated valve group 8; the foam supply assembly and the high-pressure water jet pipe 9 are connected or disconnected from the main on / off valve 12 through the on / off switching function of the end integrated valve group 8; the foam supply assembly includes: a Venturi effect tube 4, an air intake regulating valve 3 located on one side of the Venturi effect tube 4, a raw liquid bottle interface 5 located on the other side of the Venturi effect tube, a raw liquid bottle 6 that is quickly detachably connected to the raw liquid bottle interface, and a foam jet pipe 10 located at the end of the Venturi effect tube. In some embodiments, the concentrate bottle 6 has a volume adapted to the structure size of the water gun, is small in size and light in weight, and is connected to the concentrate bottle interface by a quick-connect thread. In other embodiments, the concentrate bottle is connected to the concentrate bottle interface by magnetic attraction. In some embodiments, the housing 1 is divided into a first outer shell 101 and a second outer shell 102, both of which are injection molded and connected to each other by snap-fit ​​or screws.

[0019] Connect the water pipe to the water inlet 7. By pulling the control lever 2, the water passes through the main water inlet pipe and the main on / off valve to the end integrated valve group. The end integrated valve group switches the control channel opening and closing. The water can either be introduced into the high-pressure water jet pipe for high-pressure water cleaning or into the foam supply component to spray cleaning agent foam.

[0020] Continue reading Figures 1-4 In some embodiments, the end-integrated valve assembly 8 includes a first valve body 801 and a first valve core 802 reciprocally sliding within the first valve body 801; a plane is defined by the axis of the foam injection pipe 10 and the axis of the high-pressure water injection pipe 9, and the axis of the first valve core 802 lies in this plane; it is worth noting that the foam injection pipe 10 and the high-pressure water injection pipe 9 can be as follows Figure 1 The arrangement can be horizontal or vertical. In some embodiments, the foam injection pipe 10 and the high-pressure water injection pipe 9 are arranged vertically, with the high-pressure water injection pipe 9 above and the foam injection pipe 10 below. In this case, the first valve body 801 and its internal first valve core 802 are arranged vertically, and the air intake regulating valve 3 is located on the side of the Venturi effect pipe 4. In other embodiments, the foam injection pipe 10 and the high-pressure water injection pipe 9 are arranged vertically, with the high-pressure water injection pipe 9 below and the foam injection pipe 10 above. In this case, the stock solution bottle 6 is located above the Venturi effect pipe 4 and is arranged upside down.

[0021] Continue reading Figures 1-4In some embodiments, the first valve body is provided with an inlet 806, a first outlet 807, a second outlet 808, and a first valve core hole; the inlet 806 communicates with the first outlet 807 and the second outlet 808 through the first valve core hole; a spray pipe interface 810 is provided at the end of the first outlet, and a foam pipe interface 809 is provided at the end of the second outlet 808; the inner end of the high-pressure water spray pipe 9 is provided with threads, and is fixedly connected to the spray pipe interface 810 by means of threaded connection, and the inner end face of the high-pressure water spray pipe 9 is... A sealing ring is provided on the upper part to seal the connection part; a threaded hole is provided on the inner end face of the Venturi effect tube body 4, which is connected to the second outlet 808 through a tube body connector 811; a water passage section 805 is provided in the middle of the first valve core 802, the diameter of which is smaller than the diameter of the adjacent parts on its left and right ends, thereby forming a gap channel through which fluid can pass between the water passage section and the corresponding first valve core hole. When the water passage section covers the inlet 806 and the first outlet 807, high-pressure water passes through the inlet 806, the first valve core hole and the first outlet 807 in sequence. The high-pressure water is ejected from the high-pressure water jet pipe 9. When the water passage section covers the inlet 806 and the second outlet 808, the high-pressure water sequentially passes through the inlet 806, the first valve core hole, and the second outlet 808, entering the Venturi effect tube body 4. Through the Venturi effect, negative pressure draws air and the cleaning agent concentrate into the mixing chamber within the Venturi effect tube body 4 for mixing. Both ends of the water passage section 805 are sealed to the first valve core hole via sealing rings. At least two sealing rings are provided at each end, one near the outer end for sealing the first valve core 802, and the other... When the first valve core 802 is in the right limit position, the sealing ring on the left side of the water passage section isolates the second outlet 808 from the first valve core hole, and the sealing ring on the right side of the water passage section moves back to the middle and rear section of the first outlet 807, no longer providing a seal. At this time, the water flows to the first outlet. Conversely, when the first valve core 802 is in the left limit position, the sealing ring on the right side of the water passage section isolates the first outlet 807 from the first valve core hole, and the sealing ring on the left side of the water passage section moves back to the middle and rear section of the second outlet 808, no longer providing a seal. At this time, the water flows to the second outlet.

[0022] Continue reading Figures 1-4 In some embodiments, one end of the first valve core is provided with a first pressing head 803 and the other end is provided with a second pressing head 804. By pressing the first pressing head or the second pressing head, the position of the water passage section in the first valve core hole is changed, thereby connecting the water inlet with the second water outlet or the first water outlet.

[0023] See Figures 5-8In some embodiments, the end-integrated valve assembly 8 includes a second valve body 801a and a second valve core 802a rotatable within the second valve body; a plane is defined by the axis of the foam spray pipe 10 and the axis of the high-pressure water spray pipe 9, and the axis of the second valve core 802a is perpendicular to this plane. In this way, another end-integrated valve assembly structure is provided, enabling quick and convenient switching control between spraying high-pressure water and spraying cleaning agent foam using a knob.

[0024] Continue reading Figures 5-8 In some embodiments, the second valve body is provided with an inlet 806, a first outlet 807, a second outlet 808, and a second valve core hole; the inlet communicates with the first and second outlets through the second valve core hole; the two ends of the second valve core hole are sealed with plugs 804a; the end of the first outlet is provided with a spray pipe interface 810, and the end of the second outlet is provided with a foam pipe interface 809; the high-pressure water spray pipe is connected to the spray pipe interface, and the Venturi effect pipe is connected to the second outlet; the upper part of the second valve core 802a is provided with a switching knob 803a, and the lower part is provided with a sealing valve body, the two ends of the sealing valve body are sealed to the second valve core hole through sealing rings.

[0025] In some embodiments, the sealing valve body is provided with a first valve body hole 805a and a second valve body hole 812a that are vertically connected. By rotating the switching knob 803a, the first valve body hole 805a is connected to the water inlet 806 and the second valve body hole 812a is connected to the first water outlet 807, or the second valve body hole 812a is connected to the water inlet 806 and the first valve body hole 805a is connected to the second water outlet 808. In order to ensure that the switching angle of the switching knob 803a is accurate each time, two limit position blocks are provided between the switching knob 803a and the upper part of the housing 1.

[0026] Although the subject matter has been described using language specific to structural features and / or methodological logic, it should be understood that the subject matter defined in the appended claims is not necessarily limited to the specific features or actions described above. Rather, the specific features and actions described above are merely illustrative examples of implementing the claims.

[0027] The various embodiments of this disclosure have been described above. These descriptions are exemplary and not exhaustive, nor are they limited to the disclosed embodiments. Many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen to best explain the principles, practical application, or technical improvements to the embodiments in the market, or to enable others skilled in the art to understand the embodiments disclosed herein.

Claims

1. A high-pressure foam water gun, comprising a housing, a water inlet located at the rear of the housing, a main water inlet pipe located inside the housing and connected to the water inlet, a main on / off valve connected to the inner end of the main water inlet pipe, and a control lever located below the housing and capable of switching the main on / off valve, characterized in that... It also includes: an end integrated valve assembly arranged at the front end of the housing and connected to the main circuit on / off valve, a foam supply assembly and a high-pressure water jet pipe arranged on the end integrated valve assembly; the foam supply assembly and the high-pressure water jet pipe are respectively connected to or disconnected from the main circuit on / off valve through the on / off switching function of the end integrated valve assembly; the foam supply assembly includes: a Venturi effect tube body, an air intake regulating valve located on one side of the Venturi effect tube body, a raw liquid bottle interface located on the other side of the Venturi effect tube body and a raw liquid bottle that can be quickly and detachably connected to the raw liquid bottle interface, and a foam jet pipe body located at the end of the Venturi effect tube body.

2. The high-pressure foam water gun as described in claim 1, characterized in that... The terminal integrated valve assembly includes a first valve body and a first valve core that can reciprocate and slide within the first valve body; a plane is defined by the axis of the foam injection pipe and the axis of the high-pressure water injection pipe, and the axis of the first valve core is located in this plane.

3. The high-pressure foam water gun as described in claim 2, characterized in that... The first valve body is provided with an inlet, a first outlet, a second outlet, and a first valve core hole; the inlet is connected to the first outlet and the second outlet through the first valve core hole; a jet pipe interface is provided at the end of the first outlet, and a foam tube interface is provided at the end of the second outlet; the high-pressure water jet pipe is connected to the jet pipe interface, and the Venturi effect tube is connected to the second outlet; a water passage section is provided in the middle of the first valve core, and the two ends of the water passage section are sealed to the first valve core hole through sealing rings.

4. The high-pressure foam water gun as described in claim 3, characterized in that... One end of the first valve core is provided with a first pressing head, and the other end is provided with a second pressing head. By pressing the first pressing head or the second pressing head, the position of the water passage section in the first valve core hole is changed, thereby connecting the water inlet with the second water outlet or the first water outlet.

5. The high-pressure foam water gun as described in claim 1, characterized in that... The end integrated valve assembly includes a second valve body and a second valve core rotatable within the second valve body; a plane is defined by the axis of the foam injection pipe and the axis of the high-pressure water injection pipe, and the axis of the second valve core is perpendicular to this plane.

6. The high-pressure foam water gun as described in claim 5, characterized in that... The second valve body is provided with an inlet, a first outlet, a second outlet, and a second valve core hole; the inlet is connected to the first outlet and the second outlet through the second valve core hole; a jet pipe interface is provided at the end of the first outlet, and a foam tube interface is provided at the end of the second outlet; the high-pressure water jet pipe is connected to the jet pipe interface, and the Venturi effect tube is connected to the second outlet; a switching knob is provided at the upper part of the second valve core, and a sealing valve body is provided at the lower part, with both ends of the sealing valve body sealed to the second valve core hole through sealing rings.

7. The high-pressure foam water gun as described in claim 6, characterized in that... The sealing valve body is provided with a first valve body hole and a second valve body hole that are vertically connected. By rotating the switching knob, the first valve body hole is connected to the water inlet and the second valve body hole is connected to the first water outlet, or the second valve body hole is connected to the water inlet and the first valve body hole is connected to the second water outlet.

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